Switch from IPA to BepInEx

- Removed a bunch of test code
- Preparing for 3.0

Automation/bump_version.py

@@ -5,7 +5,7 @@ import re
 # this assumes a mostly semver-complient version number
 
 if __name__ == "__main__":
-    parser = argparse.ArgumentParser(description="Increment GamecraftModdingAPI version")
+    parser = argparse.ArgumentParser(description="Increment TechbloxModdingAPI version")
     parser.add_argument('version', metavar="VN", type=str, help="The version number to increment, or the index of the number (zero-indexed).")
     args = parser.parse_args()
     
@@ -28,12 +28,12 @@ if __name__ == "__main__":
     old_version = ""
     new_version = ""
     
-    with open("../GamecraftModdingAPI/GamecraftModdingAPI.csproj", "r") as xmlFile:
-        print("Parsing GamecraftModdingAPI.csproj")
+    with open("../TechbloxModdingAPI/TechbloxModdingAPI.csproj", "r") as xmlFile:
+        print("Parsing TechbloxModdingAPI.csproj")
         fileStr = xmlFile.read()
         versionMatch = re.search(r"<Version>(.+)</Version>", fileStr)
         if versionMatch is None:
-            print("Unable to find version number in GamecraftModdingAPI.csproj")
+            print("Unable to find version number in TechbloxModdingAPI.csproj")
             exit(1)
         old_version = versionMatch.group(1)
         versionList = old_version.split(".")
@@ -53,7 +53,7 @@ if __name__ == "__main__":
         print(new_version)
         newFileContents = fileStr.replace("<Version>"+old_version+"</Version>", "<Version>"+new_version+"</Version>")
         
-    with open("../GamecraftModdingAPI/GamecraftModdingAPI.csproj", "w") as xmlFile:
+    with open("../TechbloxModdingAPI/TechbloxModdingAPI.csproj", "w") as xmlFile:
         print("Writing new version to project file")
         xmlFile.write(newFileContents)
     

Automation/gen_csproj.py

@@ -5,7 +5,7 @@ from pathlib import Path, PurePath
 import re
 import os
 
-DLL_EXCLUSIONS_REGEX = r"(System|Microsoft|Mono|IronPython|DiscordRPC)\."
+DLL_EXCLUSIONS_REGEX = r"(System|Microsoft|Mono|IronPython|DiscordRPC|IllusionInjector|IllusionPlugin|netstandard)\."
 
 def getAssemblyReferences(path):
     asmDir = Path(path)
@@ -15,10 +15,12 @@ def getAssemblyReferences(path):
         addedPath = "../"
         asmDir = Path(addedPath + path)
     for child in asmDir.iterdir():
-        if child.is_file() and re.search(DLL_EXCLUSIONS_REGEX, str(child), re.I) is None and str(child).lower().endswith(".dll"):
+        if child.is_file() and re.search(DLL_EXCLUSIONS_REGEX, str(child)) is None and str(child).lower().endswith(".dll"):
             childstr = str(child)
             childstr = os.path.relpath(childstr, addedPath).replace("\\", "/")
             result.append(childstr)
+    result.sort(key=str.lower)
+    result = [path + "/IllusionInjector.dll", path + "/IllusionPlugin.dll"] + result # Always put it on top
     return result
 
 def buildReferencesXml(path):
@@ -39,7 +41,7 @@ if __name__ == "__main__":
     args = parser.parse_args()
     
     print("Building Assembly references")
-    asmXml = buildReferencesXml("../ref/TechbloxPreview_Data/Managed")
+    asmXml = buildReferencesXml("../ref_TB/Techblox_Data/Managed")
     # print(asmXml)
     
     with open("../TechbloxModdingAPI/TechbloxModdingAPI.csproj", "r") as xmlFile:
@@ -51,7 +53,7 @@ if __name__ == "__main__":
         if depsStart is None or depsEnd is None:
             print("Unable to find dependency XML comments, aborting!")
             exit(1)
-        newFileStr = fileStr[:depsStart.start()] + "\n" + asmXml + "\n" + fileStr[depsEnd.end() + 1:]
+        newFileStr = fileStr[:depsStart.start() - 1] + "\n" + asmXml + "\n" + fileStr[depsEnd.end() + 1:]
     with open("../TechbloxModdingAPI/TechbloxModdingAPI.csproj", "w") as xmlFile:
         print("Writing Assembly references")
         xmlFile.write(newFileStr)

CodeGenerator/App.config

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?><configuration>
+  <runtime>
+    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+      <dependentAssembly>
+        <assemblyIdentity name="mscorlib" publicKeyToken="b77a5c561934e089" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.0.0" newVersion="4.0.0.0" />
+      </dependentAssembly>
+    </assemblyBinding>
+  </runtime>
+</configuration>

CodeGenerator/BlockClassGenerator.cs

@@ -0,0 +1,158 @@
+using System;
+using System.CodeDom;
+using System.CodeDom.Compiler;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using Gamecraft.Tweaks;
+using RobocraftX.Common;
+using Svelto.ECS;
+
+namespace CodeGenerator
+{
+    public class BlockClassGenerator
+    {
+        public void Generate(string name, string group = null, Dictionary<string, string> renames = null, params Type[] types)
+        {
+            if (group is null)
+            {
+                group = GetGroup(name) + "_BLOCK_GROUP";
+                if (typeof(CommonExclusiveGroups).GetFields().All(field => field.Name != group))
+                    group = GetGroup(name) + "_BLOCK_BUILD_GROUP";
+            }
+
+            if (!group.Contains('.'))
+                group = "CommonExclusiveGroups." + group;
+
+            var codeUnit = new CodeCompileUnit();
+            var ns = new CodeNamespace("TechbloxModdingAPI.Blocks");
+            ns.Imports.Add(new CodeNamespaceImport("RobocraftX.Common"));
+            ns.Imports.Add(new CodeNamespaceImport("Svelto.ECS"));
+            var cl = new CodeTypeDeclaration(name);
+            //cl.BaseTypes.Add(baseClass != null ? new CodeTypeReference(baseClass) : new CodeTypeReference("Block"));
+            cl.BaseTypes.Add(new CodeTypeReference("SignalingBlock"));
+            cl.Members.Add(new CodeConstructor
+            {
+                Parameters = {new CodeParameterDeclarationExpression("EGID", "egid")},
+                Comments =
+                {
+                    _start, new CodeCommentStatement($"Constructs a(n) {name} object representing an existing block.", true), _end
+                },
+                BaseConstructorArgs = {new CodeVariableReferenceExpression("egid")},
+                Attributes = MemberAttributes.Public | MemberAttributes.Final
+            });
+            cl.Members.Add(new CodeConstructor
+            {
+                Parameters =
+                {
+                    new CodeParameterDeclarationExpression(typeof(uint), "id")
+                },
+                Comments =
+                {
+                    _start, new CodeCommentStatement($"Constructs a(n) {name} object representing an existing block.", true), _end
+                },
+                BaseConstructorArgs =
+                {
+                    new CodeObjectCreateExpression("EGID", new CodeVariableReferenceExpression("id"),
+                        new CodeVariableReferenceExpression(group))
+                },
+                Attributes = MemberAttributes.Public | MemberAttributes.Final
+            });
+            foreach (var type in types)
+            {
+                GenerateProperties(cl, type, name, renames);
+            }
+            ns.Types.Add(cl);
+            codeUnit.Namespaces.Add(ns);
+
+            var provider = CodeDomProvider.CreateProvider("CSharp");
+            var path = $@"../../../../TechbloxModdingAPI/Blocks/{name}.cs";
+            using (var sw = new StreamWriter(path))
+            {
+                provider.GenerateCodeFromCompileUnit(codeUnit, sw, new CodeGeneratorOptions {BracingStyle = "C"});
+            }
+
+            File.WriteAllLines(path,
+                File.ReadAllLines(path).SkipWhile(line => line.StartsWith("//") || line.Length == 0));
+        }
+
+        private static string GetGroup(string name)
+        {
+            var ret = "";
+            foreach (var ch in name)
+            {
+                if (char.IsUpper(ch) && ret.Length > 0)
+                    ret += "_" + ch;
+                else
+                    ret += char.ToUpper(ch);
+            }
+
+            return ret;
+        }
+
+        private void GenerateProperties(CodeTypeDeclaration cl, Type type, string baseClass,
+            Dictionary<string, string> renames)
+        {
+            if (!typeof(IEntityComponent).IsAssignableFrom(type))
+                throw new ArgumentException("Type must be an entity component");
+            bool reflection = type.IsNotPublic;
+            var reflectedType = new CodeSnippetExpression($"HarmonyLib.AccessTools.TypeByName(\"{type.FullName}\")");
+            foreach (var field in type.GetFields())
+            {
+                var attr = field.GetCustomAttribute<TweakableStatAttribute>();
+                if (renames == null || !renames.TryGetValue(field.Name, out var propName))
+                {
+                    propName = field.Name;
+                    if (attr != null)
+                        propName = attr.propertyName;
+                }
+
+                propName = char.ToUpper(propName[0]) + propName.Substring(1);
+                var getStruct = new CodeMethodInvokeExpression(
+                        new CodeMethodReferenceExpression(new CodeSnippetExpression("BlockEngine"),
+                            "GetBlockInfo", new CodeTypeReference(type)),
+                        new CodeThisReferenceExpression());
+                CodeExpression structFieldReference = new CodeFieldReferenceExpression(getStruct, field.Name);
+                CodeExpression reflectedGet = new CodeCastExpression(field.FieldType, new CodeMethodInvokeExpression(
+                    new CodeMethodReferenceExpression(new CodeSnippetExpression("BlockEngine"),
+                        "GetBlockInfo"),
+                    new CodeThisReferenceExpression(), reflectedType, new CodePrimitiveExpression(field.Name)));
+                CodeExpression reflectedSet = new CodeMethodInvokeExpression(
+                    new CodeMethodReferenceExpression(new CodeSnippetExpression("BlockEngine"),
+                        "SetBlockInfo"),
+                    new CodeThisReferenceExpression(), reflectedType, new CodePrimitiveExpression(field.Name),
+                    new CodePropertySetValueReferenceExpression());
+                cl.Members.Add(new CodeMemberProperty
+                {
+                    Name = propName,
+                    HasGet = true,
+                    HasSet = true,
+                    GetStatements =
+                    {
+                        new CodeMethodReturnStatement(reflection ? reflectedGet : structFieldReference)
+                    },
+                    SetStatements =
+                    {
+                        reflection
+                            ? (CodeStatement)new CodeExpressionStatement(reflectedSet)
+                            : new CodeAssignStatement(structFieldReference, new CodePropertySetValueReferenceExpression())
+                    },
+                    Type = new CodeTypeReference(field.FieldType),
+                    Attributes = MemberAttributes.Public | MemberAttributes.Final,
+                    Comments =
+                    {
+                        _start,
+                        new CodeCommentStatement($"Gets or sets the {baseClass}'s {propName} property." +
+                                                 $" {(attr != null ? "Tweakable stat." : "May not be saved.")}",
+                            true),
+                        _end
+                    }
+                });
+            }
+        }
+
+        private static readonly CodeCommentStatement _start = new CodeCommentStatement("<summary>", true);
+        private static readonly CodeCommentStatement _end = new CodeCommentStatement("</summary>", true);
+    }
+}

CodeGenerator/Program.cs

@@ -0,0 +1,53 @@
+using System.Collections.Generic;
+using HarmonyLib;
+using RobocraftX.Blocks;
+using RobocraftX.Common;
+using RobocraftX.GroupTags;
+using RobocraftX.PilotSeat;
+using Svelto.ECS;
+using Techblox.EngineBlock;
+using Techblox.ServoBlocksServer;
+using Techblox.WheelRigBlock;
+
+namespace CodeGenerator
+{
+    internal class Program
+    {
+        public static void Main(string[] args)
+        {
+            GenerateBlockClasses();
+        }
+
+        private static void GenerateBlockClasses()
+        {
+            var bcg = new BlockClassGenerator();
+            bcg.Generate("Engine", null, new Dictionary<string, string>
+            {
+                { "engineOn", "On" }
+            }, AccessTools.TypeByName("Techblox.EngineBlock.EngineBlockComponent"), // Simulation time properties
+                typeof(EngineBlockTweakableComponent), typeof(EngineBlockReadonlyComponent));
+            bcg.Generate("DampedSpring", "DAMPEDSPRING_BLOCK_GROUP", new Dictionary<string, string>
+                {
+                    {"maxExtent", "MaxExtension"}
+                },
+                typeof(TweakableJointDampingComponent), typeof(DampedSpringReadOnlyStruct));
+            bcg.Generate("LogicGate", "LOGIC_BLOCK_GROUP");
+            bcg.Generate("Servo", types: typeof(ServoReadOnlyTweakableComponent), renames: new Dictionary<string, string>
+            {
+                {"minDeviation", "MinimumAngle"},
+                {"maxDeviation", "MaximumAngle"},
+                {"servoVelocity", "MaximumForce"}
+            });
+            bcg.Generate("WheelRig", "WHEELRIG_BLOCK_BUILD_GROUP", null,
+                typeof(WheelRigTweakableStruct), typeof(WheelRigReadOnlyStruct),
+                typeof(WheelRigSteerableTweakableStruct), typeof(WheelRigSteerableReadOnlyStruct));
+            bcg.Generate("Seat", "RobocraftX.PilotSeat.SeatGroups.PILOTSEAT_BLOCK_BUILD_GROUP", null, typeof(SeatFollowCamComponent), typeof(SeatReadOnlySettingsComponent));
+            bcg.Generate("Piston", null, new Dictionary<string, string>
+            {
+                {"pistonVelocity", "MaximumForce"}
+            }, typeof(PistonReadOnlyStruct));
+            bcg.Generate("Motor", null, null, typeof(MotorReadOnlyStruct));
+            //bcg.Generate("ObjectID", "ObjectIDBlockExclusiveGroups.OBJECT_ID_BLOCK_GROUP", null, typeof(ObjectIDTweakableComponent));
+        }
+    }
+}

CodeGenerator/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Lib.Harmony" version="2.2.0" targetFramework="net472" />
+</packages>

MakeEverythingPublicInGame/Program.cs

@@ -0,0 +1,25 @@
+using System.Text.RegularExpressions;
+using Mono.Cecil;
+
+Console.WriteLine("Starting assembly editing...");
+var fileRegex =
+    new Regex(".*(Techblox|Gamecraft|RobocraftX|FullGame|RobocraftECS|DataLoader|RCX|GameState|Svelto\\.ECS)[^/]*(\\.dll)");
+foreach (var file in Directory.EnumerateFiles(@"../../../../../ref/Techblox_Data/Managed"))
+{
+    if (!fileRegex.IsMatch(file)) continue;
+    Console.WriteLine(file);
+    ProcessAssembly(file);
+}
+
+void ProcessAssembly(string path)
+{
+    using var mod = ModuleDefinition.ReadModule(path, new(ReadingMode.Immediate) { ReadWrite = true });
+    foreach (var typeDefinition in mod.Types)
+    {
+        typeDefinition.IsPublic = true;
+        foreach (var method in typeDefinition.Methods) method.IsPublic = true;
+        foreach (var field in typeDefinition.Fields) field.IsPublic = true;
+    }
+
+    mod.Write();
+}

TechbloxModdingAPI.sln

@@ -5,6 +5,10 @@ VisualStudioVersion = 16.0.29411.108
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TechbloxModdingAPI", "TechbloxModdingAPI\TechbloxModdingAPI.csproj", "{7FD5A7D8-4F3E-426A-B07D-7DC70442A4DF}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CodeGenerator", "CodeGenerator\CodeGenerator.csproj", "{0EBB6400-95A7-4A3D-B2ED-BF31E364CC10}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MakeEverythingPublicInGame", "MakeEverythingPublicInGame\MakeEverythingPublicInGame.csproj", "{391A3107-E5C6-4A04-9467-6D868AA9A8B4}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -18,6 +22,18 @@ Global
 		{7FD5A7D8-4F3E-426A-B07D-7DC70442A4DF}.Release|Any CPU.Build.0 = Release|Any CPU
 		{7FD5A7D8-4F3E-426A-B07D-7DC70442A4DF}.Test|Any CPU.ActiveCfg = Test|Any CPU
 		{7FD5A7D8-4F3E-426A-B07D-7DC70442A4DF}.Test|Any CPU.Build.0 = Test|Any CPU
+		{0EBB6400-95A7-4A3D-B2ED-BF31E364CC10}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0EBB6400-95A7-4A3D-B2ED-BF31E364CC10}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0EBB6400-95A7-4A3D-B2ED-BF31E364CC10}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0EBB6400-95A7-4A3D-B2ED-BF31E364CC10}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0EBB6400-95A7-4A3D-B2ED-BF31E364CC10}.Test|Any CPU.ActiveCfg = Debug|Any CPU
+		{0EBB6400-95A7-4A3D-B2ED-BF31E364CC10}.Test|Any CPU.Build.0 = Debug|Any CPU
+		{391A3107-E5C6-4A04-9467-6D868AA9A8B4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{391A3107-E5C6-4A04-9467-6D868AA9A8B4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{391A3107-E5C6-4A04-9467-6D868AA9A8B4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{391A3107-E5C6-4A04-9467-6D868AA9A8B4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{391A3107-E5C6-4A04-9467-6D868AA9A8B4}.Test|Any CPU.ActiveCfg = Debug|Any CPU
+		{391A3107-E5C6-4A04-9467-6D868AA9A8B4}.Test|Any CPU.Build.0 = Debug|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

TechbloxModdingAPI/App/AntiAntiCheatPatch.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using HarmonyLib;
+using Svelto.Tasks;
+using Techblox.Anticheat.Client;
+
+namespace TechbloxModdingAPI.App
+{
+    public static class AntiAntiCheatPatch
+    {
+        private delegate bool AntiAnticheatDelegate(ref object __result);
+
+        private delegate bool AntiAnticheatDelegateBool(ref bool __result);
+
+        private delegate bool AntiAnticheatDelegateTask(ref IEnumerator<TaskContract> __result);
+
+        public static void Init(Harmony harmony)
+        {
+            var type = AccessTools.TypeByName("Techblox.Services.Eos.Anticheat.Client.Services.AnticheatClientService");
+            harmony.Patch(type.GetConstructors()[0], new HarmonyMethod(((Func<bool>) AntiAntiCheat).Method));
+            harmony.Patch(AccessTools.Method(type, "Shutdown"), new HarmonyMethod(((Func<bool>) AntiAntiCheat).Method));
+            harmony.Patch(AccessTools.Method(type, "StartProtectedSession"), new HarmonyMethod(((AntiAnticheatDelegate) AntiAntiCheat).Method));
+            harmony.Patch(AccessTools.Method(type, "StopProtectedSession"), new HarmonyMethod(((AntiAnticheatDelegateBool) AntiAntiCheat).Method));
+            harmony.Patch(AccessTools.Method("Techblox.Services.Eos.Anticheat.Client.EosGetPendingMessagesToSendServiceRequest:Execute"), new HarmonyMethod(((AntiAnticheatDelegateTask)AntiAntiCheatTask).Method));
+            harmony.Patch(AccessTools.Method("Techblox.Anticheat.Client.Engines.ProcessEACViolationEngine:PollAnticheatStatus"), new HarmonyMethod(((AntiAnticheatDelegateTask)AntiAntiCheatTask).Method));
+            harmony.Patch(AccessTools.Method(typeof(AnticheatClientCompositionRoot), "ClientComposeTimeRunning"), new HarmonyMethod(((Func<bool>)AntiAntiCheat).Method));
+        }
+
+        private static bool AntiAntiCheat() => false;
+
+        private static bool AntiAntiCheat(ref object __result)
+        {
+            var targetType =
+                AccessTools.TypeByName("Techblox.Services.Eos.Anticheat.Client.Services.StartProtectedSessionResult");
+            var target = Activator.CreateInstance(targetType);
+            targetType.GetField("Success").SetValue(target, true);
+            __result = target;
+            return false;
+        }
+
+        private static bool AntiAntiCheat(ref bool __result)
+        {
+            __result = true;
+            return false;
+        }
+        
+        private static bool AntiAntiCheatTask(ref IEnumerator<TaskContract> __result)
+        {
+            IEnumerator<TaskContract> Func()
+            {
+                yield return Yield.It;
+            }
+
+            __result = Func();
+            return false;
+        }
+    }
+}

TechbloxModdingAPI/App/AppEngine.cs

@@ -1,62 +0,0 @@
-using System;
-
-using RobocraftX.GUI.MyGamesScreen;
-using Svelto.ECS;
-using TechbloxModdingAPI.Engines;
-using TechbloxModdingAPI.Utility;
-
-namespace TechbloxModdingAPI.App
-{
-	public class AppEngine : IFactoryEngine
-    {
-		public event EventHandler<MenuEventArgs> EnterMenu;
-
-		public event EventHandler<MenuEventArgs> ExitMenu;
-
-		public IEntityFactory Factory { set; private get; }
-
-		public string Name => "TechbloxModdingAPIAppEngine";
-
-		public bool isRemovable => false;
-
-		public EntitiesDB entitiesDB { set; private get; }
-
-		public void Dispose()
-		{
-			IsInMenu = false;
-			ExceptionUtil.InvokeEvent(ExitMenu, this, new MenuEventArgs { });
-		}
-
-		public void Ready()
-		{
-			IsInMenu = true;
-			ExceptionUtil.InvokeEvent(EnterMenu, this, new MenuEventArgs { });
-		}
-
-		// app functionality
-
-		public bool IsInMenu
-		{
-			get;
-			private set;
-		} = false;
-
-		public Game[] GetMyGames()
-		{
-			EntityCollection<MyGameDataEntityStruct> mgsevs = entitiesDB.QueryEntities<MyGameDataEntityStruct>(MyGamesScreenExclusiveGroups.MyGames);
-			var mgsevsB = mgsevs.ToBuffer().buffer;
-			Game[] games = new Game[mgsevs.count];
-			for (int i = 0; i < mgsevs.count; i++)
-			{
-				Utility.Logging.MetaDebugLog($"Found game named {mgsevsB[i].GameName}");
-				games[i] = new Game(mgsevsB[i].ID);
-			}
-			return games;
-		}
-	}
-
-    public struct MenuEventArgs
-	{
-
-	}
-}

TechbloxModdingAPI/App/Client.cs

@@ -14,22 +14,19 @@ namespace TechbloxModdingAPI.App
     /// </summary>
     public class Client
     {
-        // extensible engine
-		protected static AppEngine appEngine = new AppEngine();
-
-		protected static Func<object> ErrorHandlerInstanceGetter;
+	    public static Client Instance { get; } = new Client();
+	    
+	    protected static Func<object> ErrorHandlerInstanceGetter;
 
 		protected static Action<object, Error> EnqueueError;
 
-		protected static Action<object> HandleErrorClosed;
-
-        /// <summary>
+		/// <summary>
         /// An event that fires whenever the main menu is loaded.
         /// </summary>
 		public static event EventHandler<MenuEventArgs> EnterMenu
         {
-	        add => appEngine.EnterMenu += ExceptionUtil.WrapHandler(value);
-			remove => appEngine.EnterMenu -= value;
+	        add => Game.menuEngine.EnterMenu += value;
+			remove => Game.menuEngine.EnterMenu -= value;
 		}
 
         /// <summary>
@@ -37,8 +34,8 @@ namespace TechbloxModdingAPI.App
         /// </summary>
 		public static event EventHandler<MenuEventArgs> ExitMenu
         {
-	        add => appEngine.ExitMenu += ExceptionUtil.WrapHandler(value);
-            remove => appEngine.ExitMenu -= value;
+	        add => Game.menuEngine.ExitMenu += value;
+            remove => Game.menuEngine.ExitMenu -= value;
         }
         
         /// <summary>
@@ -69,8 +66,8 @@ namespace TechbloxModdingAPI.App
 		{
 			get 
 			{
-				if (!appEngine.IsInMenu) return new Game[0];
-				return appEngine.GetMyGames();
+				if (!Game.menuEngine.IsInMenu) return Array.Empty<Game>();
+				return Game.menuEngine.GetMyGames();
 			}
 		}
 
@@ -80,7 +77,7 @@ namespace TechbloxModdingAPI.App
         /// <value><c>true</c> if in menu; <c>false</c> when loading or in a game.</value>
         public bool InMenu
 		{
-			get => appEngine.IsInMenu;
+			get => Game.menuEngine.IsInMenu;
 		}
 
         /// <summary>
@@ -96,14 +93,26 @@ namespace TechbloxModdingAPI.App
 	        EnqueueError(errorHandlerInstance, popup);
         }
 
-        // TODO
-        /*public void CloseCurrentPrompt()
+        public void CloseCurrentPrompt()
         {
-	        // RobocraftX.Services.ErrorHandler.Instance.HandlePopupClosed(); 
-	        // FIXME: this is a call that is also called when closing, not the actual closing action itself (so it doesn't work)
 	        object errorHandlerInstance = ErrorHandlerInstanceGetter();
-	        HandleErrorClosed(errorHandlerInstance);
-        }*/
+	        var popup = GetPopupCloseMethods(errorHandlerInstance);
+	        popup.Close();
+        }
+
+        public void SelectFirstPromptButton()
+        {
+	        object errorHandlerInstance = ErrorHandlerInstanceGetter();
+	        var popup = GetPopupCloseMethods(errorHandlerInstance);
+	        popup.FirstButton();
+        }
+
+        public void SelectSecondPromptButton()
+        {
+	        object errorHandlerInstance = ErrorHandlerInstanceGetter();
+	        var popup = GetPopupCloseMethods(errorHandlerInstance);
+	        popup.SecondButton();
+        }
 
         internal static void Init()
 		{
@@ -116,11 +125,6 @@ namespace TechbloxModdingAPI.App
 			EnqueueError = (Action<object, Error>) AccessTools.Method("TechbloxModdingAPI.App.Client:GenEnqueueError")
 				.MakeGenericMethod(errorHandler, errorHandle)
 				.Invoke(null, new object[0]);
-			/*HandleErrorClosed = (Action<object>) AccessTools.Method("TechbloxModdingAPI.App.Client:GenHandlePopupClosed")
-				.MakeGenericMethod(errorHandler)
-				.Invoke(null, new object[0]);*/
-			// register engines
-			MenuEngineManager.AddMenuEngine(appEngine);
 		}
 
         // Creating delegates once is faster than reflection every time
@@ -145,14 +149,23 @@ namespace TechbloxModdingAPI.App
 	        return enqueueCasted;
         }
 
-        private static Action<object> GenHandlePopupClosed<T>()
+        private static (Action Close, Action FirstButton, Action SecondButton) _errorPopup;
+
+        private static (Action Close, Action FirstButton, Action SecondButton) GetPopupCloseMethods(object handler)
         {
-	        Type errorHandler = AccessTools.TypeByName("RobocraftX.Services.ErrorHandler");
-	        MethodInfo handlePopupClosed = AccessTools.Method(errorHandler, "HandlePopupClosed");
-	        Action<T> handleSimple =
-		        (Action<T>) Delegate.CreateDelegate(typeof(Action<T>), handlePopupClosed);
-	        Action<object> handleCasted = (object instance) => handleSimple((T) instance);
-	        return handleCasted;
+	        if (_errorPopup.Close != null)
+		        return _errorPopup;
+	        Type errorHandler = handler.GetType();
+	        FieldInfo field = AccessTools.Field(errorHandler, "errorPopup");
+	        var errorPopup = (ErrorPopup)field.GetValue(handler);
+	        MethodInfo info = AccessTools.Method(errorPopup.GetType(), "ClosePopup");
+	        var close = (Action)Delegate.CreateDelegate(typeof(Action), errorPopup, info);
+	        info = AccessTools.Method(errorPopup.GetType(), "HandleFirstOption");
+	        var first = (Action)Delegate.CreateDelegate(typeof(Action), errorPopup, info);
+	        info = AccessTools.Method(errorPopup.GetType(), "HandleSecondOption");
+	        var second = (Action)Delegate.CreateDelegate(typeof(Action), errorPopup, info);
+	        _errorPopup = (close, first, second);
+	        return _errorPopup;
         }
     }
 }

TechbloxModdingAPI/App/ClientAlertTest.cs

@@ -42,17 +42,25 @@ namespace TechbloxModdingAPI.App
         [APITestCase(TestType.Menu)]
         public static void TestPopUp2()
         {
-            Client c = new Client();
-            c.PromptUser(popup2);
-            //c.CloseCurrentPrompt();
+            Client.Instance.PromptUser(popup2);
         }
         
         [APITestCase(TestType.Menu)]
         public static void TestPopUp1()
         {
-            Client c = new Client();
-            c.PromptUser(popup1);
-            //c.CloseCurrentPrompt();
+            Client.Instance.PromptUser(popup1);
+        }
+
+        [APITestCase(TestType.Menu)]
+        public static void TestPopUpClose1()
+        {
+            Client.Instance.CloseCurrentPrompt();
+        }
+        
+        [APITestCase(TestType.Menu)]
+        public static void TestPopUpClose2()
+        {
+            Client.Instance.CloseCurrentPrompt();
         }
     }
 #endif

TechbloxModdingAPI/App/CurrentGameMode.cs

@@ -1,23 +1,27 @@
-namespace TechbloxModdingAPI.App
+using System;
+
+namespace TechbloxModdingAPI.App
 {
     public enum CurrentGameMode
     {
         None,
         /// <summary>
-        /// Building a game
+        /// Building a world
         /// </summary>
         Build,
         /// <summary>
-        /// Playing a game
+        /// Playing on a map
         /// </summary>
         Play,
         /// <summary>
-        /// Viewing a prefab
+        /// Viewing a prefab (doesn't exist anymore)
         /// </summary>
+        [Obsolete]
         View,
         /// <summary>
-        /// Viewing a tutorial
+        /// Viewing a tutorial (doesn't exist anymore)
         /// </summary>
+        [Obsolete]
         Tutorial
     }
 }

TechbloxModdingAPI/App/Game.cs

@@ -2,12 +2,10 @@
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 
-using RobocraftX.Common;
 using RobocraftX.GUI.MyGamesScreen;
-using RobocraftX.StateSync;
 using Svelto.ECS;
+using Techblox.GameSelection;
 
-using TechbloxModdingAPI;
 using TechbloxModdingAPI.Blocks;
 using TechbloxModdingAPI.Tasks;
 using TechbloxModdingAPI.Utility;
@@ -23,7 +21,7 @@ namespace TechbloxModdingAPI.App
     {
         // extensible engines
 		protected static GameGameEngine gameEngine = new GameGameEngine();
-		protected static GameMenuEngine menuEngine = new GameMenuEngine();
+		protected internal static GameMenuEngine menuEngine = new GameMenuEngine();
 		protected static DebugInterfaceEngine debugOverlayEngine = new DebugInterfaceEngine();
 		protected static GameBuildSimEventEngine buildSimEventEngine = new GameBuildSimEventEngine();
 
@@ -93,7 +91,7 @@ namespace TechbloxModdingAPI.App
         /// </summary>
 		public static event EventHandler<GameEventArgs> Simulate
 		{
-			add => buildSimEventEngine.SimulationMode += ExceptionUtil.WrapHandler(value);
+			add => buildSimEventEngine.SimulationMode += value;
 			remove => buildSimEventEngine.SimulationMode -= value;
 		}
 
@@ -103,7 +101,7 @@ namespace TechbloxModdingAPI.App
         /// </summary>
 		public static event EventHandler<GameEventArgs> Edit
         {
-            add => buildSimEventEngine.BuildMode += ExceptionUtil.WrapHandler(value);
+            add => buildSimEventEngine.BuildMode += value;
             remove => buildSimEventEngine.BuildMode -= value;
         }
 
@@ -112,7 +110,7 @@ namespace TechbloxModdingAPI.App
         /// </summary>
 		public static event EventHandler<GameEventArgs> Enter
         {
-			add => gameEngine.EnterGame += ExceptionUtil.WrapHandler(value);
+			add => gameEngine.EnterGame += value;
 			remove => gameEngine.EnterGame -= value;
         }
 
@@ -122,7 +120,7 @@ namespace TechbloxModdingAPI.App
         /// </summary>
 		public static event EventHandler<GameEventArgs> Exit
         {
-			add => gameEngine.ExitGame += ExceptionUtil.WrapHandler(value);
+			add => gameEngine.ExitGame += value;
 			remove => gameEngine.ExitGame -= value;
         }
 
@@ -165,7 +163,7 @@ namespace TechbloxModdingAPI.App
 			{
 				if (!VerifyMode()) return null;
 				if (menuMode) return menuEngine.GetGameInfo(EGID).GameName;
-				return GameMode.SaveGameDetails.Name;
+				return gameEngine.GetGameData().saveName;
 			}
 
 			set
@@ -174,11 +172,7 @@ namespace TechbloxModdingAPI.App
                 if (menuMode)
 				{
 					menuEngine.SetGameName(EGID, value);
-				}
-				else 
-				{
-					GameMode.SaveGameDetails.Name = value;
-				}
+				} // Save details are directly saved from user input or not changed at all when in game
 			}
 		}
 
@@ -201,11 +195,7 @@ namespace TechbloxModdingAPI.App
                 if (menuMode)
                 {
                     menuEngine.SetGameDescription(EGID, value);
-                }
-                else
-                {
-                    // No description exists in-game
-                }
+                } // No description exists in-game
             }
         }
 
@@ -219,7 +209,7 @@ namespace TechbloxModdingAPI.App
             {
 				if (!VerifyMode()) return null;
 				if (menuMode) return menuEngine.GetGameInfo(EGID).SavedGamePath;
-				return GameMode.SaveGameDetails.Folder;
+				return gameEngine.GetGameData().gameID;
             }
 
             set
@@ -229,11 +219,6 @@ namespace TechbloxModdingAPI.App
                 {
 					menuEngine.GetGameInfo(EGID).SavedGamePath.Set(value);
                 }
-                else
-                {
-					// this likely breaks things
-					GameMode.SaveGameDetails = new SaveGameDetails(GameMode.SaveGameDetails.Name, value, GameMode.SaveGameDetails.WorkshopId);
-                }
             }
         }
 
@@ -242,28 +227,16 @@ namespace TechbloxModdingAPI.App
 		/// In most cases this is invalid and returns 0, so this can be ignored.
         /// </summary>
         /// <value>The workshop identifier.</value>
+        [Obsolete]
 		public ulong WorkshopId
         {
             get
             {
-				if (!VerifyMode()) return 0uL;
-                if (menuMode) return 0uL; // MyGames don't have workshop IDs
-				return GameMode.SaveGameDetails.WorkshopId;
+                return 0uL; // Not supported anymore
             }
 
             set
             {
-                VerifyMode();
-                if (menuMode)
-                {
-					// MyGames don't have workshop IDs
-                    // menuEngine.GetGameInfo(EGID).GameName.Set(value);
-                }
-                else
-                {
-					// this likely breaks things
-					GameMode.SaveGameDetails = new SaveGameDetails(GameMode.SaveGameDetails.Name, GameMode.SaveGameDetails.Folder, value);
-                }
             }
         }
 
@@ -343,7 +316,7 @@ namespace TechbloxModdingAPI.App
 	        get
 	        {
 		        if (menuMode || !VerifyMode()) return CurrentGameMode.None;
-		        return (CurrentGameMode) GameMode.CurrentMode;
+		        return gameEngine.GetGameData().gameMode == GameMode.CreateWorld ? CurrentGameMode.Build : CurrentGameMode.Play;
 	        }
         }
 

TechbloxModdingAPI/App/GameBuildSimEventEngine.cs

@@ -11,9 +11,9 @@ namespace TechbloxModdingAPI.App
 {
 	public class GameBuildSimEventEngine : IApiEngine, IUnorderedInitializeOnTimeRunningModeEntered, IUnorderedInitializeOnTimeStoppedModeEntered
 	{
-		public event EventHandler<GameEventArgs> SimulationMode;
+		public WrappedHandler<GameEventArgs> SimulationMode;
 
-		public event EventHandler<GameEventArgs> BuildMode;
+		public WrappedHandler<GameEventArgs> BuildMode;
 
 		public string Name => "TechbloxModdingAPIBuildSimEventGameEngine";
 
@@ -27,13 +27,13 @@ namespace TechbloxModdingAPI.App
 
 		public JobHandle OnInitializeTimeRunningMode(JobHandle inputDeps)
 		{
-			ExceptionUtil.InvokeEvent(SimulationMode, this, new GameEventArgs { GameName = GameMode.SaveGameDetails.Name, GamePath = GameMode.SaveGameDetails.Folder });
+			SimulationMode.Invoke(this, new GameEventArgs { GameName = "", GamePath = "" }); // TODO
 			return inputDeps;
 		}
 
 		public JobHandle OnInitializeTimeStoppedMode(JobHandle inputDeps)
 		{
-			ExceptionUtil.InvokeEvent(BuildMode, this, new GameEventArgs { GameName = GameMode.SaveGameDetails.Name, GamePath = GameMode.SaveGameDetails.Folder });
+			BuildMode.Invoke(this, new GameEventArgs { GameName = "", GamePath = "" });
 			return inputDeps;
 		}
 	}

TechbloxModdingAPI/App/GameGameEngine.cs

@@ -1,7 +1,6 @@
-using System;
-using System.Collections.Generic;
-using HarmonyLib;
+using System.Collections.Generic;
 
+using HarmonyLib;
 using RobocraftX;
 using RobocraftX.Common;
 using RobocraftX.Schedulers;
@@ -10,35 +9,61 @@ using Svelto.ECS;
 using Svelto.Tasks;
 using Svelto.Tasks.Lean;
 using RobocraftX.Blocks;
+using RobocraftX.Common.Loading;
+using RobocraftX.Multiplayer;
 using RobocraftX.ScreenshotTaker;
+using Techblox.Environment.Transition;
+using Techblox.GameSelection;
+
 using TechbloxModdingAPI.Blocks;
 using TechbloxModdingAPI.Engines;
+using TechbloxModdingAPI.Input;
+using TechbloxModdingAPI.Players;
 using TechbloxModdingAPI.Utility;
 
 namespace TechbloxModdingAPI.App
 {
-	public class GameGameEngine : IApiEngine
+	public class GameGameEngine : IApiEngine, IReactOnAddAndRemove<LoadingActionEntityStruct>
     {
-		public event EventHandler<GameEventArgs> EnterGame;
+		public WrappedHandler<GameEventArgs> EnterGame;
 
-        public event EventHandler<GameEventArgs> ExitGame;
+        public WrappedHandler<GameEventArgs> ExitGame;
 
 		public string Name => "TechbloxModdingAPIGameInfoMenuEngine";
 
 		public bool isRemovable => false;
-
+		
 		public EntitiesDB entitiesDB { set; private get; }
 
+		private bool enteredGame;
+		private bool loadingFinished;
+		private bool playerJoined;
+
 		public void Dispose()
 		{
-			ExceptionUtil.InvokeEvent(ExitGame, this, new GameEventArgs { GameName = GameMode.SaveGameDetails.Name, GamePath = GameMode.SaveGameDetails.Folder });
+			if (GameReloadedPatch.IsReload)
+				return; // Toggling time mode
+			ExitGame.Invoke(this, new GameEventArgs { GameName = GetGameData().saveName, GamePath = GetGameData().gameID });
 			IsInGame = false;
+			loadingFinished = false;
+			playerJoined = false;
+			enteredGame = false;
 		}
 
 		public void Ready()
 		{
-			ExceptionUtil.InvokeEvent(EnterGame, this, new GameEventArgs { GameName = GameMode.SaveGameDetails.Name, GamePath = GameMode.SaveGameDetails.Folder });
-			IsInGame = true;
+			if (GameReloadedPatch.IsReload)
+				return; // Toggling time mode
+			enteredGame = true;
+			Player.Joined += OnPlayerJoined;
+		}
+
+		private void OnPlayerJoined(object sender, PlayerEventArgs args)
+		{
+			if (args.Player.Type != PlayerType.Local) return;
+			playerJoined = true;
+			Player.Joined -= OnPlayerJoined;
+			CheckJoinEvent();
 		}
 
 		// game functionality
@@ -53,7 +78,7 @@ namespace TechbloxModdingAPI.App
 		{
 			if (async)
 			{
-				ExitCurrentGameAsync().RunOn(Lean.EveryFrameStepRunner_TimeRunningAndStopped);
+				ExitCurrentGameAsync().RunOn(ClientLean.EveryFrameStepRunner_TimeRunningAndStopped);
 			}
 			else
 			{
@@ -93,45 +118,48 @@ namespace TechbloxModdingAPI.App
 
         public void ToggleTimeMode()
         {
-	        if (!entitiesDB.FoundInGroups<BlockTagEntityStruct>())
-		        throw new AppStateException("At least one block must exist in the world to enter simulation");
-			TimeRunningModeUtil.ToggleTimeRunningState(entitiesDB);
-		}
+	        if (TimeRunningModeUtil.IsTimeStoppedMode(entitiesDB))
+		        FakeInput.ActionInput(toggleMode: true);
+	        else
+	        {
+		        IEnumerator<TaskContract> ReloadBuildModeTask()
+		        {
+			        SwitchAnimationUtil.Start(entitiesDB);
+			        while (SwitchAnimationUtil.IsFadeOutActive(entitiesDB))
+				        yield return (TaskContract)Yield.It;
+			        FullGameFields._multiplayerParams.MultiplayerMode = MultiplayerMode.SinglePlayer;
+			        AccessTools.Method(typeof(FullGameCompositionRoot), "ReloadGame")
+				        .Invoke(FullGameFields.Instance, new object[] { });
+		        }
 
-		public EGID[] GetAllBlocksInGame(BlockIDs filter = BlockIDs.Invalid)
-		{
-			var allBlocks = entitiesDB.QueryEntities<BlockTagEntityStruct>();
-			List<EGID> blockEGIDs = new List<EGID>();
-			if (filter == BlockIDs.Invalid)
-			{
-				foreach (var (blocks, _) in allBlocks)
-				{
-					var buffer = blocks.ToBuffer().buffer;
-					for (int i = 0; i < buffer.capacity; i++)
-						blockEGIDs.Add(buffer[i].ID);
-				}
+		        ReloadBuildModeTask().RunOn(ClientLean.UIScheduler);
+	        }
+        }
 
-				return blockEGIDs.ToArray();
-			}
-			else
-			{
-				foreach (var (blocks, _) in allBlocks)
-				{
-					var array = blocks.ToBuffer().buffer;
-					for (var index = 0; index < array.capacity; index++)
-					{
-						var block = array[index];
-						uint dbid = entitiesDB.QueryEntity<DBEntityStruct>(block.ID).DBID;
-						if (dbid == (ulong) filter)
-							blockEGIDs.Add(block.ID);
-					}
-				}
+        public EGID[] GetAllBlocksInGame(BlockIDs filter = BlockIDs.Invalid)
+        {
+	        var allBlocks = entitiesDB.QueryEntities<BlockTagEntityStruct>();
+	        List<EGID> blockEGIDs = new List<EGID>();
+	        foreach (var ((_, ids, count), group) in allBlocks)
+	        {
+		        for (int i = 0; i < count; i++)
+		        {
+			        var id = new EGID(ids[i], group);
+			        uint dbid;
+			        if (filter == BlockIDs.Invalid)
+				        dbid = (uint)filter;
+			        else
+				        dbid = entitiesDB.QueryEntity<DBEntityStruct>(id).DBID;
+			        var ownership = entitiesDB.QueryEntity<BlockOwnershipComponent>(id).BlockOwnership;
+			        if ((ownership & BlockOwnership.User) != 0 && dbid == (ulong)filter)
+				        blockEGIDs.Add(id);
+		        }
+	        }
 
-				return blockEGIDs.ToArray();
-			}
-		}
+	        return blockEGIDs.ToArray();
+        }
 
-		public void EnableScreenshotTaker()
+        public void EnableScreenshotTaker()
 		{
 			ref var local = ref entitiesDB.QueryEntity<ScreenshotModeEntityStruct>(ScreenshotTakerEgids.ScreenshotTaker);
 			if (local.enabled)
@@ -139,5 +167,29 @@ namespace TechbloxModdingAPI.App
 			local.enabled = true;
 			entitiesDB.PublishEntityChange<ScreenshotModeEntityStruct>(ScreenshotTakerEgids.ScreenshotTaker);
 		}
-	}
+
+        public GameSelectionComponent GetGameData()
+        {
+	        return entitiesDB.QueryEntity<GameSelectionComponent>(GameSelectionConstants.GameSelectionEGID);
+        }
+
+        public void Add(ref LoadingActionEntityStruct entityComponent, EGID egid)
+        {
+        }
+
+        public void Remove(ref LoadingActionEntityStruct entityComponent, EGID egid)
+        { // Finished loading
+	        if (!enteredGame) return;
+	        enteredGame = false;
+	        loadingFinished = true;
+	        CheckJoinEvent();
+        }
+
+        private void CheckJoinEvent()
+        {
+	        if (!loadingFinished || !playerJoined) return;
+	        EnterGame.Invoke(this, new GameEventArgs { GameName = GetGameData().saveName, GamePath = GetGameData().gameID });
+	        IsInGame = true;
+        }
+    }
 }

TechbloxModdingAPI/App/GameMenuEngine.cs

@@ -1,13 +1,15 @@
 using System;
+using System.Reflection;
 using HarmonyLib;
 
 using RobocraftX;
-using RobocraftX.Common;
 using RobocraftX.GUI;
 using RobocraftX.GUI.MyGamesScreen;
+using RobocraftX.Multiplayer;
 using Svelto.ECS;
 using Svelto.ECS.Experimental;
-using Svelto.DataStructures;
+using Techblox.GameSelection;
+
 using TechbloxModdingAPI.Engines;
 using TechbloxModdingAPI.Utility;
 
@@ -15,6 +17,9 @@ namespace TechbloxModdingAPI.App
 {
 	public class GameMenuEngine : IFactoryEngine
     {
+	    public WrappedHandler<MenuEventArgs> EnterMenu;
+
+	    public WrappedHandler<MenuEventArgs> ExitMenu;
 		public IEntityFactory Factory { set; private get; }
 
 		public string Name => "TechbloxModdingAPIGameInfoGameEngine";
@@ -23,23 +28,42 @@ namespace TechbloxModdingAPI.App
 
 		public EntitiesDB entitiesDB { set; private get; }
 
+		public GameMenuEngine()
+		{
+			MenuEnteredEnginePatch.EnteredExitedMenu = () =>
+			{
+				if (IsInMenu)
+					EnterMenu.Invoke(this, new MenuEventArgs { });
+				else
+					ExitMenu.Invoke(this, new MenuEventArgs { });
+			};
+		}
+
 		public void Dispose()
 		{
-			IsInMenu = false;
 		}
 
 		public void Ready()
 		{
-			IsInMenu = true;
+			MenuEnteredEnginePatch.IsInMenu = true; // At first it uses ActivateMenu(), then GoToMenu() which is patched
+			MenuEnteredEnginePatch.EnteredExitedMenu();
 		}
 
 		// game functionality
 
-		public bool IsInMenu
+		public bool IsInMenu => MenuEnteredEnginePatch.IsInMenu;
+
+		public Game[] GetMyGames()
 		{
-			get;
-			private set;
-		} = false;
+			var (mgsevs, count) = entitiesDB.QueryEntities<MyGameDataEntityStruct>(MyGamesScreenExclusiveGroups.MyGames);
+			Game[] games = new Game[count];
+			for (int i = 0; i < count; i++)
+			{
+				Utility.Logging.MetaDebugLog($"Found game named {mgsevs[i].GameName}");
+				games[i] = new Game(mgsevs[i].ID);
+			}
+			return games;
+		}
 
         public bool CreateMyGame(EGID id, string path = "", uint thumbnailId = 0, string gameName = "", string creatorName = "", string description = "", long createdDate = 0L)
 		{
@@ -59,14 +83,13 @@ namespace TechbloxModdingAPI.App
 
 		public uint HighestID()
 		{
-			EntityCollection<MyGameDataEntityStruct> games = entitiesDB.QueryEntities<MyGameDataEntityStruct>(MyGamesScreenExclusiveGroups.MyGames);
-			var gamesB = games.ToBuffer().buffer;
+			var (games, count) = entitiesDB.QueryEntities<MyGameDataEntityStruct>(MyGamesScreenExclusiveGroups.MyGames);
 			uint max = 0;
-			for (int i = 0; i < games.count; i++)
+			for (int i = 0; i < count; i++)
 			{
-				if (gamesB[i].ID.entityID > max)
+				if (games[i].ID.entityID > max)
 				{
-					max = gamesB[i].ID.entityID;
+					max = games[i].ID.entityID;
 				}
 			}
 			return max;
@@ -76,15 +99,19 @@ namespace TechbloxModdingAPI.App
 		{
 			if (!ExistsGameInfo(id)) return false;
 			ref MyGameDataEntityStruct mgdes = ref GetGameInfo(id);
-			return EnterGame(mgdes.GameName, mgdes.SavedGamePath);
+			return EnterGame(mgdes.GameName, mgdes.FileId);
 		}
 
-        public bool EnterGame(string gameName, string path, ulong workshopId = 0uL, bool autoEnterSim = false)
+        public bool EnterGame(ECSString gameName, string fileId, bool autoEnterSim = false)
 		{
-			GameMode.CurrentMode = autoEnterSim ? RCXMode.Play : RCXMode.Build;
-			GameMode.SaveGameDetails = new SaveGameDetails(gameName, path, workshopId);
-			// the private FullGameCompositionRoot.SwitchToGame() method gets passed to menu items for this reason
-			AccessTools.Method(typeof(FullGameCompositionRoot), "SwitchToGame").Invoke(FullGameFields.Instance, new object[0]);
+			FullGameFields._multiplayerParams.MultiplayerMode = MultiplayerMode.SinglePlayer;
+			ref var selection = ref entitiesDB.QueryEntity<GameSelectionComponent>(GameSelectionConstants.GameSelectionEGID);
+			selection.userContentID.Set(fileId);
+			selection.triggerStart = true;
+			selection.saveType = SaveType.ExistingSave;
+			selection.saveName = gameName;
+			selection.gameMode = GameMode.PlayGame;
+			selection.gameID.Set("GAMEID_Road_Track"); //TODO: Expose to the API
 			return true;
 		}
 
@@ -130,4 +157,41 @@ namespace TechbloxModdingAPI.App
 	}
 
 	internal class MyGameDataEntityDescriptor_DamnItFJWhyDidYouMakeThisInternal : GenericEntityDescriptor<MyGameDataEntityStruct> { }
+	
+	[HarmonyPatch]
+	static class MenuEnteredEnginePatch
+	{
+		internal static bool IsInMenu;
+		internal static Action EnteredExitedMenu;
+		public static void Postfix()
+		{
+			IsInMenu = true;
+			EnteredExitedMenu();
+		}
+
+		public static MethodBase TargetMethod()
+		{
+			return AccessTools.Method(typeof(FullGameCompositionRoot), "SwitchToMenu");
+		}
+	}
+	
+	[HarmonyPatch]
+	static class MenuExitedEnginePatch
+	{
+		public static void Prefix()
+		{
+			MenuEnteredEnginePatch.IsInMenu = false;
+			MenuEnteredEnginePatch.EnteredExitedMenu();
+		}
+
+		public static MethodBase TargetMethod()
+		{
+			return AccessTools.Method(typeof(FullGameCompositionRoot), "SwitchToGame");
+		}
+	}
+
+	public struct MenuEventArgs
+	{
+
+	}
 }

TechbloxModdingAPI/Block.cs

@@ -8,9 +8,10 @@ using Svelto.ECS.EntityStructs;
 using RobocraftX.Common;
 using RobocraftX.Blocks;
 using Unity.Mathematics;
-using Gamecraft.Blocks.GUI;
 using HarmonyLib;
-
+using RobocraftX.PilotSeat;
+using RobocraftX.Rendering;
+using Techblox.BlockLabelsServer;
 using TechbloxModdingAPI.Blocks;
 using TechbloxModdingAPI.Blocks.Engines;
 using TechbloxModdingAPI.Tests;
@@ -66,17 +67,22 @@ namespace TechbloxModdingAPI
 		/// <returns>The block object or null if doesn't exist</returns>
 		public static Block GetLastPlacedBlock()
 		{
-			uint lastBlockID = (uint) AccessTools.Field(typeof(CommonExclusiveGroups), "_nextBlockEntityID").GetValue(null) - 1;
+			uint lastBlockID = CommonExclusiveGroups.blockIDGeneratorClient.Peek() - 1;
 			EGID? egid = BlockEngine.FindBlockEGID(lastBlockID);
 			return egid.HasValue ? New(egid.Value) : null;
 		}
 
+		/*public static Block CreateGhostBlock()
+		{
+			return BlockGroup._engine.BuildGhostChild();
+		}*/
+
 		/// <summary>
 		/// An event that fires each time a block is placed.
 		/// </summary>
 		public static event EventHandler<BlockPlacedRemovedEventArgs> Placed
-		{
-			add => BlockEventsEngine.Placed += ExceptionUtil.WrapHandler(value);
+		{ //TODO: Rename and add instance version in 3.0
+			add => BlockEventsEngine.Placed += value;
 			remove => BlockEventsEngine.Placed -= value;
 		}
 
@@ -85,7 +91,7 @@ namespace TechbloxModdingAPI
 		/// </summary>
 		public static event EventHandler<BlockPlacedRemovedEventArgs> Removed
 		{
-			add => BlockEventsEngine.Removed += ExceptionUtil.WrapHandler(value);
+			add => BlockEventsEngine.Removed += value;
 			remove => BlockEventsEngine.Removed -= value;
 		}
 
@@ -93,19 +99,42 @@ namespace TechbloxModdingAPI
 			new Dictionary<ExclusiveBuildGroup, (Func<EGID, Block>, Type)>
 			{
 				{CommonExclusiveGroups.DAMPEDSPRING_BLOCK_GROUP, (id => new DampedSpring(id), typeof(DampedSpring))},
-				{CommonExclusiveGroups.ENGINE_BLOCK_BUILD_GROUP, (id => new Engine(id), typeof(Engine))}
+				{CommonExclusiveGroups.ENGINE_BLOCK_BUILD_GROUP, (id => new Engine(id), typeof(Engine))},
+				{CommonExclusiveGroups.LOGIC_BLOCK_GROUP, (id => new LogicGate(id), typeof(LogicGate))},
+				{CommonExclusiveGroups.PISTON_BLOCK_GROUP, (id => new Piston(id), typeof(Piston))},
+				{CommonExclusiveGroups.SERVO_BLOCK_GROUP, (id => new Servo(id), typeof(Servo))},
+				{CommonExclusiveGroups.WHEELRIG_BLOCK_BUILD_GROUP, (id => new WheelRig(id), typeof(WheelRig))}
 			};
 
-		internal static Block New(EGID egid)
+		static Block()
 		{
-			return GroupToConstructor.ContainsKey(egid.groupID)
-				? GroupToConstructor[egid.groupID].Constructor(egid)
-				: new Block(egid);
+			foreach (var group in SeatGroups.SEATS_BLOCK_GROUPS) // Adds driver and passenger seats, occupied and unoccupied
+				GroupToConstructor.Add(group, (id => new Seat(id), typeof(Seat)));
 		}
 
-		public Block(EGID id)
+		/// <summary>
+		/// Returns a correctly typed instance of this block. The instances are shared for a specific block.
+		/// If an instance is no longer referenced a new instance is returned.
+		/// </summary>
+		/// <param name="egid">The EGID of the block</param>
+		/// <param name="signaling">Whether the block is definitely a signaling block</param>
+		/// <returns></returns>
+		internal static Block New(EGID egid, bool signaling = false)
+		{
+			if (egid == default) return null;
+			if (GroupToConstructor.ContainsKey(egid.groupID))
+			{
+				var (constructor, type) = GroupToConstructor[egid.groupID];
+				return GetInstance(egid, constructor, type);
+			}
+
+			return signaling
+				? GetInstance(egid, e => new SignalingBlock(e))
+				: GetInstance(egid, e => new Block(e));
+		}
+
+		public Block(EGID id) : base(id)
 		{
-			Id = id;
 			Type expectedType;
 			if (GroupToConstructor.ContainsKey(id.groupID) &&
 			    !GetType().IsAssignableFrom(expectedType = GroupToConstructor[id.groupID].Type))
@@ -132,17 +161,18 @@ namespace TechbloxModdingAPI
 		/// <param name="autoWire">Whether the block should be auto-wired (if functional)</param>
 		/// <param name="player">The player who placed the block</param>
 		public Block(BlockIDs type, float3 position, bool autoWire = false, Player player = null)
+			: base(block =>
+			{
+				if (!PlacementEngine.IsInGame || !GameState.IsBuildMode())
+					throw new BlockException("Blocks can only be placed in build mode.");
+				var initializer = PlacementEngine.PlaceBlock(type, position, player, autoWire);
+				block.InitData = initializer;
+				Placed += ((Block)block).OnPlacedInit;
+				return initializer.EGID;
+			})
 		{
-			if (!PlacementEngine.IsInGame || !GameState.IsBuildMode())
-				throw new BlockException("Blocks can only be placed in build mode.");
-			var initializer = PlacementEngine.PlaceBlock(type, position, player, autoWire);
-			Id = initializer.EGID;
-			InitData = initializer;
-			Placed += OnPlacedInit;
 		}
 
-		public override EGID Id { get; }
-
 		private EGID copiedFrom;
 
 		/// <summary>
@@ -258,6 +288,7 @@ namespace TechbloxModdingAPI
 				color.indexInPalette = value.Index;
 				color.hasNetworkChange = true;
 				color.paletteColour = BlockEngine.ConvertBlockColor(color.indexInPalette); //Setting to 255 results in black
+				BlockEngine.UpdateBlockColor(Id);
 			}
 		}
 
@@ -294,7 +325,10 @@ namespace TechbloxModdingAPI
 						: throw new BlockTypeException("Unknown block type! Could not set default material.");
 				if (!FullGameFields._dataDb.ContainsKey<MaterialPropertiesData>(val))
 					throw new BlockException($"Block material {value} does not exist!");
-				BlockEngine.GetBlockInfo<CubeMaterialStruct>(this).materialId = val;
+				ref var comp = ref BlockEngine.GetBlockInfo<CubeMaterialStruct>(this);
+				if (comp.materialId == val)
+					return;
+				comp.materialId = val;
 				BlockEngine.UpdatePrefab(this, val, Flipped); //The default causes the screen to go black
 			}
 		}
@@ -306,11 +340,15 @@ namespace TechbloxModdingAPI
 		[TestValue(null)]
 		public string Label
 		{
-			get => BlockEngine.GetBlockInfoViewComponent<TextLabelEntityViewStruct>(this).textLabelComponent?.text;
+			get
+			{
+				var opt = BlockEngine.GetBlockInfoOptional<LabelResourceIDComponent>(this);
+				return opt ? FullGameFields._managers.blockLabelResourceManager.GetText(opt.Get().instanceID) : null;
+			}
 			set
 			{
-				var comp = BlockEngine.GetBlockInfoViewComponent<TextLabelEntityViewStruct>(this).textLabelComponent;
-				if (comp != null) comp.text = value;
+				var opt = BlockEngine.GetBlockInfoOptional<LabelResourceIDComponent>(this);
+				if (opt) FullGameFields._managers.blockLabelResourceManager.SetText(opt.Get().instanceID, value);
 			}
 		}
 
@@ -328,8 +366,12 @@ namespace TechbloxModdingAPI
 			get
 			{
 				if (blockGroup != null) return blockGroup;
+				if (!GameState.IsBuildMode()) return null; // Breaks in simulation
 				var bgec = BlockEngine.GetBlockInfo<BlockGroupEntityComponent>(this);
-				return blockGroup = bgec.currentBlockGroup == -1 ? null : new BlockGroup(bgec.currentBlockGroup, this);
+				return blockGroup = bgec.currentBlockGroup == -1
+					? null
+					: GetInstance(new EGID((uint)bgec.currentBlockGroup, BlockGroupExclusiveGroups.BlockGroupEntityGroup),
+						egid => new BlockGroup((int)egid.entityID, this));
 			}
 			set
 			{
@@ -340,6 +382,8 @@ namespace TechbloxModdingAPI
 					return;
 				}
 				blockGroup?.RemoveInternal(this);
+				if (!InitData.Valid)
+					return;
 				BlockEngine.GetBlockInfo<BlockGroupEntityComponent>(this).currentBlockGroup = (int?) value?.Id.entityID ?? -1;
 				value?.AddInternal(this);
 				blockGroup = value;
@@ -351,8 +395,25 @@ namespace TechbloxModdingAPI
 		/// </summary>
 		public bool Static
 		{
-			get => BlockEngine.GetBlockInfo<OverrideStaticComponent>(this).staticIfUnconnected;
-			set => BlockEngine.GetBlockInfo<OverrideStaticComponent>(this).staticIfUnconnected = value;
+			get => BlockEngine.GetBlockInfo<BlockStaticComponent>(this).isStatic;
+			set => BlockEngine.GetBlockInfo<BlockStaticComponent>(this).isStatic = value;
+		}
+
+		/// <summary>
+		/// The mass of the block.
+		/// </summary>
+		public float Mass
+		{
+			get => BlockEngine.GetBlockInfo<MassStruct>(this).mass;
+		}
+
+		/// <summary>
+		/// Block complexity used for build rules. Determines the 'cost' of the block.
+		/// </summary>
+		public BlockComplexity Complexity
+		{
+			get => new(BlockEngine.GetBlockInfo<BlockComplexityComponent>(this));
+			set => BlockEngine.GetBlockInfo<BlockComplexityComponent>(this) = value;
 		}
 
 		/// <summary>
@@ -380,9 +441,10 @@ namespace TechbloxModdingAPI
 		public SimBody GetSimBody()
 		{
 			var st = BlockEngine.GetBlockInfo<GridConnectionsEntityStruct>(this);
-			return st.machineRigidBodyId != uint.MaxValue
-				? new SimBody(st.machineRigidBodyId, st.clusterId)
-				: null;
+			/*return st.machineRigidBodyId != uint.MaxValue
+				? new SimBody(st.machineRigidBodyId, st.clusterId) - TODO:
+				: null;*/
+			return null;
 		}
 
 		/// <summary>
@@ -406,7 +468,7 @@ namespace TechbloxModdingAPI
 			if (e.ID != Id) return;
 			Placed -= OnPlacedInit; //And we can reference it
 			InitData = default; //Remove initializer as it's no longer valid - if the block gets removed it shouldn't be used again
-			if (copiedFrom != EGID.Empty)
+			if (copiedFrom != default)
 				BlockCloneEngine.CopyBlockStats(copiedFrom, Id);
 		}
 

TechbloxModdingAPI/BlockGroup.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections;
 using System.Collections.Generic;
 
@@ -19,17 +19,16 @@ namespace TechbloxModdingAPI
     public class BlockGroup : EcsObjectBase, ICollection<Block>, IDisposable
     {
         internal static BlueprintEngine _engine = new BlueprintEngine();
-        public override EGID Id { get; }
         private readonly Block sourceBlock;
         private readonly List<Block> blocks;
         private float3 position, rotation;
         internal bool PosAndRotCalculated;
 
-        internal BlockGroup(int id, Block block)
+        internal BlockGroup(int id, Block block) : base(new EGID((uint)id,
+            BlockGroupExclusiveGroups.BlockGroupEntityGroup))
         {
             if (id == BlockGroupUtility.GROUP_UNASSIGNED)
                 throw new BlockException("Cannot create a block group for blocks without a group!");
-            Id = new EGID((uint) id, BlockGroupExclusiveGroups.BlockGroupEntityGroup);
             sourceBlock = block;
             blocks = new List<Block>(GetBlocks());
             Block.Removed += OnBlockRemoved;

TechbloxModdingAPI/Blocks/BlockComplexity.cs

@@ -0,0 +1,17 @@
+using RobocraftX.Blocks;
+
+namespace TechbloxModdingAPI.Blocks
+{
+    public record BlockComplexity(int Cpu, int Power)
+    {
+        public BlockComplexity(BlockComplexityComponent component) : this(component.cpu, component.power)
+        {
+        }
+
+        public int Cpu { get; } = Cpu;
+        public int Power { get; } = Power;
+
+        public static implicit operator BlockComplexityComponent(BlockComplexity complexity) =>
+            new() { cpu = complexity.Cpu, power = complexity.Power };
+    }
+}

TechbloxModdingAPI/Blocks/BlockIDs.cs

@@ -25,32 +25,7 @@ namespace TechbloxModdingAPI.Blocks
         PlateQuarterPyramid,
         PlateTetrahedron,
         Sphere,
-        Frame,
-        FrameS1,
-        FrameS2,
-        FrameS3,
-        FrameS4,
-        FrameS5,
-        FrameWedge,
-        FrameWedgeS1,
-        FrameWedgeS2,
-        FrameWedgeS3,
-        FrameWedgeS4,
-        SideS0S3 = 29,
-        SideS0S5 = 31,
-        SideS1S1,
-        SideS1S2,
-        SideS1S3,
-        SideS1S4,
-        SideS1S5,
-        SideS2S1,
-        SideS2S2,
-        SideS2S3,
-        SideS2S4,
-        SideS2S5,
-        WindscreenS3 = 44,
-        WindscreenS5 = 46,
-        CarWheelArch,
+        CarWheelArch = 47,
         CarArchSmallFlare,
         CarArchFlare,
         CarArchExtrudedFlare,
@@ -67,8 +42,8 @@ namespace TechbloxModdingAPI.Blocks
         PlateTriangle = 130,
         PlateCircle,
         PlateQuarterCircle,
-        PlateRWedge,
-        PlateRTetrahedron,
+        PlateRoundedWedge,
+        PlateRoundedTetrahedron,
         Cone,
         ConeSegment,
         DoubleSliced,
@@ -138,5 +113,271 @@ namespace TechbloxModdingAPI.Blocks
         CarWheel,
         GoKartWheelWideProfile,
         GoKartWheel,
+        ANDLogicGate,
+        ORLogicGate,
+        NOTLogicGate,
+        NANDLogicGate,
+        NORLogicGate,
+        XORLogicGate,
+        XNORLogicGate,
+        AdderMathBlock,
+        SubtractorMathBlock,
+        MultiplierMathBlock,
+        DividerMathBlock,
+        InverterMathBlock,
+        AverageMathBlock,
+        AbsoluteMathBlock,
+        MinMathBlock,
+        MaxMathBlock,
+        SimpleConnector,
+        Motor,
+        AxleServo,
+        HingeServo,
+        Piston,
+        Button,
+        Switch,
+        Dial,
+        Lever,
+        ThreeWaySwitch,
+        EqualsMathBlock,
+        LessThanMathBlock,
+        LessThanOrEqualMathBlock,
+        GreaterThanMathBlock,
+        GreaterThanOrEqualMathBlock,
+        HatchbackWheelRigNoSteering,
+        HatchbackWheelRigWithSteering,
+        HatchbackEngine,
+        HatchbackWheel,
+        HatchbackWheelArch,
+        HatchbackArchSmallFlare,
+        HatchbackArchFlare,
+        CeilingStripLight,
+        CardboardBox,
+        BarrierRail,
+        BarrierRailEnd,
+        TruckWheel,
+        HatchbackWheelWideProfile,
+        TruckWheelRigWithSteering = 249,
+        TruckWheelRigNoSteering,
+        HatchbackDriverSeat,
+        HatchbackPassengerSeat,
+        FormulaEngine,
+        SmallGrass,
+        SmallGrassRoad,
+        GrassBridge,
+        SmallGrassTurn,
+        MediumGrassTurn,
+        LargeGrassTurn,
+        ExtraLargeGrassTurn,
+        TruckWheelDouble,
+        TruckWheelArch,
+        TruckArchSingleFlare,
+        WoodenDoorWithWindow,
+        TyreBarrierCorner,
+        TyreBarrierEdge,
+        TyreBarrierCenter,
+        AppleTree,
+        AppleForestTree,
+        FormulaWheel,
+        FormulaWheelRear,
+        AppleSapling,
+        GrassHill,
+        GrassHillInnerCorner,
+        GrassHillOuterCorner,
+        GrassRoadHill,
+        FormulaSeat,
+        SmallDirt,
+        SmallDirtRoad,
+        SmallDirtTurn,
+        MediumDirtTurn,
+        LargeDirtTurn,
+        ExtraLargeDirtTurn,
+        SmallGrid,
+        MonsterTruckWheel,
+        SmallGrassGridStart,
+        SmallGrassRumbleStripRoad,
+        SmallGrassRumbleStripEndRoad,
+        SmallGrassStartLine,
+        MonsterTruckEngine,
+        DirtHill,
+        DirtHillInnerCorner,
+        DirtHillOuterCorner,
+        BuildingWindowEdge,
+        BuildingWindowCorner,
+        BuildingWindowStraight,
+        BuildingWindowTJunction,
+        BuildingWindowCross,
+        BuildingWindowEdgeSill,
+        BuildingWindowCornerSill,
+        BuildingWindowTJunctionSill,
+        Broadleaf,
+        ForestBroadleaf,
+        AzaleaBush,
+        AzaleaFlowers1,
+        AzaleaFlowers2,
+        TreeStump1,
+        TreeStump2,
+        FieldJuniper,
+        ForestJuniper,
+        JuniperSapling,
+        JuniperSeedling,
+        FieldRedMaple,
+        RedMapleForest1,
+        RedMapleForest2,
+        RedMapleSapling,
+        FieldWhiteSpruce,
+        ForestWhiteSpruce,
+        WhiteSpruceSapling,
+        GirderBase,
+        GirderStraight,
+        GirderDiagonal,
+        GirderCorner,
+        PostBase,
+        PostStraight,
+        PostLShape,
+        PostTJunction,
+        PostCross,
+        PostCorner,
+        PostDiagonal,
+        DirtRock1,
+        DirtRock2,
+        DirtRock3,
+        DirtRock4,
+        DirtRoadHill,
+        WoodenPalette,
+        ElderberryBush,
+        BarrelCactus,
+        KnapweedFlower,
+        MarigoldFlowers,
+        TrampledBushyBluestep,
+        RoughGrass,
+        DogRose,
+        WesternSwordFern,
+        BackyardGrass,
+        ThickGrass,
+        FireExtinguisher,
+        DirtLowRamp,
+        DirtTabletopRamp,
+        MonsterTruckWheelRigNoSteering,
+        MonsterTruckWheelRigWithSteering,
+        MeadowCloudyDayAtmosphere,
+        BarrierRailDiagonal,
+        DirtHighRamp,
+        GrassRock1,
+        GrassRock2,
+        GrassRock3,
+        GrassRock4,
+        GreenFieldsSunnyDayAtmosphere,
+        RedMountainsDawnAtmosphere,
+        HighFantasySunriseAtmosphere,
+        /// <summary>
+        /// The grid block used by the world editor, named Small Grid like the other one
+        /// </summary>
+        SmallGridInWorldEditor,
+        CityDoubleCrossing,
+        CityDoubleCrossroads,
+        CitySmallDoubleJunction,
+        CityDoubleJunction,
+        CityDoubleToSingleJunction,
+        CitySmallDoubleRoad,
+        CityDoubleRoad,
+        CitySmallDoubleTurn,
+        CityLargeDoubleTurn,
+        CitySmallSingleTurn,
+        CityLargeSingleTurn,
+        CitySingleJunction,
+        CitySingleRoad,
+        SegoeUITextblock,
+        GravtracTextblock,
+        HauserTextblock,
+        TechnopollasTextblock,
+        CityDoubleHillRoad,
+        DiagonalTrackTile,
+        DiagonalTrackTile2,
+        DiagonalTransitionTile,
+        SplitLane,
+        BitBlock,
+        Timer,
+        CityNightAtmosphere,
+        FloodLight,
+        SoccerBall,
+        CircularWallLight,
+        BlueSkyAtmos,
+        DirtToGrassTransitionTile = 393,
+        DirtToGrassTransitionInnerTile,
+        DirtToGrassTransitionOuterTile,
+        DirtToGrassTransitionHillTile,
+        DirtToGrassTransitionRoadTile,
+        DirtHill2 = 399,
+        DirtHill3,
+        DirtInnerCorner2 = 402,
+        DirtInnerCorner3,
+        DirtOuterCorner2 = 405,
+        DirtOuterCorner3,
+        CityTarmacEdgeInner,
+        CityTarmacEdgeOuter,
+        CityTarmacEdgeRoad,
+        CityTarmac,
+        SmallGrassQuarterTile,
+        CityToRacetrackTransition,
+        HUDTimer,
+        CentreHUD,
+        Checkpoint,
+        ScoreboardHUD,
+        GameplaySFX,
+        SpawnPoint,
+        AreaSensor,
+        WorldResetter,
+        SmallJet,
+        MediumJet,
+        LargeJet,
+        DistanceSensor,
+        Stabilizer,
+        ObjectID,
+        ScoreToTechpointConversion,
+        TeamScore,
+        ScorePickupBlock,
+        SportyHatchbackDriverSeat,
+        SportyHatchbackPassengerSeat,
+        FlamingExhaust = 433,
+        SmokingExhaust,
+        StreetLamp,
+        Vector7HatchbackWheel,
+        Vector7HatchbackWheelWideProfile,
+        Vector7SedanWheel,
+        Vector7SedanWideProfile,
+        Vector7FormulaWheel,
+        Vector7FormulaWheelRear,
+        Vector7MonsterTruckWheel,
+        Vector7TruckWheel,
+        Vector7TruckWheelDouble,
+        BusSeat,
+        XLJet,
+        XXLJet,
+        ElectricSedanEngine,
+        HeadlampIndicator,
+        HeadlampSrip,
+        HeadlampStripEdge,
+        ConstantBlock,
+        CounterBlock,
+        SmallGridHill,
+        SmallGridHillInnerCorner,
+        SmallGridHillOuterCorner,
+        AimingAxleServo,
+        AimingHingeServo,
+        WeaponDisabler,
+        Vector7SmallJet,
+        Vector7MediumJet,
+        Vector7LargeJet,
+        Vector7XLJet,
+        Vector7XXLJet,
+        APCWheelRigNoSteering,
+        APCWheelRigWithSteering,
+        APCWheel,
+        APCSeat,
+        APCEngine,
+        DamageScoreBlock,
+        KillScoreBlock,
+        Autocannon = 480
     }
 }

TechbloxModdingAPI/Blocks/BlockMaterial.cs

@@ -15,6 +15,32 @@ namespace TechbloxModdingAPI.Blocks
         SteelBodyworkRustedPaint,
         SteelBodyworkHeavyRust,
         WoodVarnishedDark,
-        Chrome
+        Chrome,
+        FenceChainLink,
+        ConcreteUnpainted,
+        Grid9x9,
+        CeramicTileFloor,
+        PlasticBumpy,
+        PlasticDustySmeared,
+        AluminiumGarageDoor,
+        SteelRigidScratched,
+        AluminiumBrushedTinted,
+        AluminiumSheetStained,
+        ConcretePaintedGrooves,
+        PlasticSpecklySatin,
+        SteelBodyworkPaintedChipped,
+        WoodPainted,
+        WoodRoughGrungy,
+        Boundary,
+        Emissive,
+        AircraftPanelingRivetedPainted,
+        AircraftPanelingRivetedMetallic,
+        SteelBodyworkPearlescent,
+        SteelBodyworkRadWrap,
+        SteelBodyworkGlitter,
+        BouncyRubber,
+        BouncyRubberTieDye,
+        BrickPainted,
+        FuturisticPanelingRivetedPainted,
     }
 }

TechbloxModdingAPI/Blocks/BlockTests.cs

@@ -7,7 +7,6 @@ using DataLoader;
 using Svelto.Tasks;
 using Unity.Mathematics;
 
-using TechbloxModdingAPI.App;
 using TechbloxModdingAPI.Tests;
 using TechbloxModdingAPI.Utility;
 
@@ -46,16 +45,20 @@ namespace TechbloxModdingAPI.Blocks
 		        "Block ID enum matches the known block types.");
         }
 
+        private static Block[] blocks; // Store placed blocks as some blocks are already present as the workshop and the game save
         [APITestCase(TestType.EditMode)]
         public static void TestBlockIDs()
         {
 	        float3 pos = new float3();
-	        foreach (BlockIDs id in Enum.GetValues(typeof(BlockIDs)))
+	        var values = Enum.GetValues(typeof(BlockIDs));
+	        blocks = new Block[values.Length - 1]; // Minus the invalid ID
+	        int i = 0;
+	        foreach (BlockIDs id in values)
 	        {
 		        if (id == BlockIDs.Invalid) continue;
 		        try
 		        {
-			        Block.PlaceNew(id, pos);
+			        blocks[i++] = Block.PlaceNew(id, pos);
 			        pos += 0.2f;
 		        }
 		        catch (Exception e)
@@ -71,39 +74,55 @@ namespace TechbloxModdingAPI.Blocks
         [APITestCase(TestType.EditMode)]
         public static IEnumerator<TaskContract> TestBlockProperties()
         { //Uses the result of the previous test case
-	        var blocks = Game.CurrentGame().GetBlocksInGame();
 	        yield return Yield.It;
+	        if (blocks is null)
+		        yield break;
 	        for (var index = 0; index < blocks.Length; index++)
 	        {
-		        if (index % 50 == 0) yield return Yield.It; //The material or flipped status can only be changed 130 times per submission
 		        var block = blocks[index];
 		        if (!block.Exists) continue;
 		        foreach (var property in block.GetType().GetProperties())
 		        {
 			        //Includes specialised block properties
 			        if (property.SetMethod == null) continue;
-			        var testValues = new (Type, object, Predicate<object>)[]
+
+			        bool3 Float3Compare(float3 a, float3 b)
+			        { // From Unity reference code
+				        return math.abs(b - a) < math.max(
+					        0.000001f * math.max(math.abs(a), math.abs(b)),
+					        float.Epsilon * 8
+				        );
+			        }
+			        bool4 Float4Compare(float4 a, float4 b)
+			        { // From Unity reference code
+				        return math.abs(b - a) < math.max(
+					        0.000001f * math.max(math.abs(a), math.abs(b)),
+					        float.Epsilon * 8
+				        );
+			        }
+			        
+			        var testValues = new (Type, object, Predicate<(object Value, object Default)>)[]
 			        {
 				        //(type, default value, predicate or null for equality)
 				        (typeof(long), 3, null),
 				        (typeof(int), 4, null),
-				        (typeof(double), 5.2f, obj => Math.Abs((double) obj - 5.2f) < float.Epsilon),
-				        (typeof(float), 5.2f, obj => Math.Abs((float) obj - 5.2f) < float.Epsilon),
-				        (typeof(bool), true, obj => (bool) obj),
-				        (typeof(string), "Test", obj => (string) obj == "Test"), //String equality check
-				        (typeof(float3), (float3) 2, obj => math.all((float3) obj - 2 < (float3) float.Epsilon)),
+				        (typeof(double), 5.2f, t => Math.Abs((double) t.Value - (double) t.Default) < float.Epsilon),
+				        (typeof(float), 5.2f, t => Math.Abs((float) t.Value - (float) t.Default) < float.Epsilon),
+				        (typeof(bool), true, t => (bool) t.Value),
+				        (typeof(string), "Test", t => (string) t.Value == "Test"), //String equality check
+				        (typeof(float3), (float3) 20, t => math.all(Float3Compare((float3)t.Value, (float3)t.Default))),
 				        (typeof(BlockColor), new BlockColor(BlockColors.Aqua, 2), null),
-				        (typeof(float4), (float4) 5, obj => math.all((float4) obj - 5 < (float4) float.Epsilon))
+				        (typeof(float4), (float4) 5, t => math.all(Float4Compare((float4)t.Value, (float4)t.Default)))
 			        };
 			        var propType = property.PropertyType;
 			        if (!propType.IsValueType) continue;
-			        (object valueToUse, Predicate<object> predicateToUse) = (null, null);
+			        (object valueToUse, Predicate<(object Value, object Default)> predicateToUse) = (null, null);
 			        foreach (var (type, value, predicate) in testValues)
 			        {
 				        if (type.IsAssignableFrom(propType))
 				        {
 					        valueToUse = value;
-					        predicateToUse = predicate ?? (obj => Equals(obj, value));
+					        predicateToUse = predicate ?? (t => Equals(t.Value, t.Default));
 					        break;
 				        }
 			        }
@@ -112,7 +131,7 @@ namespace TechbloxModdingAPI.Blocks
 			        {
 				        var values = propType.GetEnumValues();
 				        valueToUse = values.GetValue(values.Length / 2);
-				        predicateToUse = val => Equals(val, valueToUse);
+				        predicateToUse = t => Equals(t.Value, t.Default);
 			        }
 
 			        if (valueToUse == null)
@@ -121,10 +140,26 @@ namespace TechbloxModdingAPI.Blocks
 				        yield break;
 			        }
 
-			        property.SetValue(block, valueToUse);
-			        object got = property.GetValue(block);
+			        try
+			        {
+				        property.SetValue(block, valueToUse);
+			        }
+			        catch (Exception e)
+			        {
+				        Assert.Fail($"Failed to set property {block.GetType().Name}.{property.Name} to {valueToUse}\n{e}");
+			        }
+			        object got;
+			        try
+			        {
+				        got = property.GetValue(block);
+			        }
+			        catch (Exception e)
+			        {
+				        Assert.Fail($"Failed to get property {block.GetType().Name}.{property.Name}\n{e}");
+				        continue;
+			        }
 			        var attr = property.GetCustomAttribute<TestValueAttribute>();
-			        if (!predicateToUse(got) && (attr == null || !Equals(attr.PossibleValue, got)))
+			        if (!predicateToUse((got, valueToUse)) && (attr == null || !Equals(attr.PossibleValue, got)))
 			        {
 				        Assert.Fail($"Property {block.GetType().Name}.{property.Name} value {got} does not equal {valueToUse} for block {block}.");
 				        yield break;

TechbloxModdingAPI/Blocks/DampedSpring.cs

@@ -1,47 +1,71 @@
-using RobocraftX.Blocks;
-using RobocraftX.Common;
-using Svelto.ECS;
-
 namespace TechbloxModdingAPI.Blocks
 {
-    public class DampedSpring : Block
+    using RobocraftX.Common;
+    using Svelto.ECS;
+    
+    
+    public class DampedSpring : SignalingBlock
     {
-        public DampedSpring(EGID id) : base(id)
-        {
-        }
-
-        public DampedSpring(uint id) : base(new EGID(id, CommonExclusiveGroups.DAMPEDSPRING_BLOCK_GROUP))
-        {
-        }
-
+        
         /// <summary>
-        /// The spring's stiffness.
+        /// Constructs a(n) DampedSpring object representing an existing block.
+        /// </summary>
+        public DampedSpring(EGID egid) : 
+                base(egid)
+        {
+        }
+        
+        /// <summary>
+        /// Constructs a(n) DampedSpring object representing an existing block.
+        /// </summary>
+        public DampedSpring(uint id) : 
+                base(new EGID(id, CommonExclusiveGroups.DAMPEDSPRING_BLOCK_GROUP))
+        {
+        }
+        
+        /// <summary>
+        /// Gets or sets the DampedSpring's Stiffness property. Tweakable stat.
         /// </summary>
         public float Stiffness
         {
-            get => BlockEngine.GetBlockInfo<TweakableJointDampingComponent>(this).stiffness;
-
-            set => BlockEngine.GetBlockInfo<TweakableJointDampingComponent>(this).stiffness = value;
+            get
+            {
+                return BlockEngine.GetBlockInfo<RobocraftX.Blocks.TweakableJointDampingComponent>(this).stiffness;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<RobocraftX.Blocks.TweakableJointDampingComponent>(this).stiffness = value;
+            }
         }
-
+        
         /// <summary>
-        /// The spring's maximum damping force.
+        /// Gets or sets the DampedSpring's Damping property. Tweakable stat.
         /// </summary>
         public float Damping
         {
-            get => BlockEngine.GetBlockInfo<TweakableJointDampingComponent>(this).damping;
-
-            set => BlockEngine.GetBlockInfo<TweakableJointDampingComponent>(this).damping = value;
+            get
+            {
+                return BlockEngine.GetBlockInfo<RobocraftX.Blocks.TweakableJointDampingComponent>(this).damping;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<RobocraftX.Blocks.TweakableJointDampingComponent>(this).damping = value;
+            }
         }
-
+        
         /// <summary>
-        /// The spring's maximum extension.
+        /// Gets or sets the DampedSpring's MaxExtension property. Tweakable stat.
         /// </summary>
         public float MaxExtension
         {
-            get => BlockEngine.GetBlockInfo<DampedSpringReadOnlyStruct>(this).maxExtent;
-
-            set => BlockEngine.GetBlockInfo<DampedSpringReadOnlyStruct>(this).maxExtent = value;
+            get
+            {
+                return BlockEngine.GetBlockInfo<RobocraftX.Blocks.DampedSpringReadOnlyStruct>(this).maxExtent;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<RobocraftX.Blocks.DampedSpringReadOnlyStruct>(this).maxExtent = value;
+            }
         }
     }
-}
+}

TechbloxModdingAPI/Blocks/Engine.cs

@@ -1,35 +1,382 @@
-using RobocraftX.Common;
-using Svelto.ECS;
-using Techblox.EngineBlock;
-
 namespace TechbloxModdingAPI.Blocks
 {
+    using RobocraftX.Common;
+    using Svelto.ECS;
+    
+    
     public class Engine : SignalingBlock
     {
-        public Engine(EGID id) : base(id)
+        
+        /// <summary>
+        /// Constructs a(n) Engine object representing an existing block.
+        /// </summary>
+        public Engine(EGID egid) : 
+                base(egid)
         {
         }
-
-        public Engine(uint id) : base(new EGID(id, CommonExclusiveGroups.ENGINE_BLOCK_BUILD_GROUP))
+        
+        /// <summary>
+        /// Constructs a(n) Engine object representing an existing block.
+        /// </summary>
+        public Engine(uint id) : 
+                base(new EGID(id, CommonExclusiveGroups.ENGINE_BLOCK_BUILD_GROUP))
         {
         }
-
+        
+        /*/// <summary> - TODO: Internal struct access
+        /// Gets or sets the Engine's On property. May not be saved.
+        /// </summary>
         public bool On
         {
-            get => BlockEngine.GetBlockInfo<EngineBlockComponent>(this).engineOn;
-            set => BlockEngine.GetBlockInfo<EngineBlockComponent>(this).engineOn = value;
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).engineOn;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).engineOn = value;
+            }
         }
-
-        public float CurrentTorque
-        {
-            get => BlockEngine.GetBlockInfo<EngineBlockComponent>(this).currentTorque;
-            set => BlockEngine.GetBlockInfo<EngineBlockComponent>(this).currentTorque = value;
-        }
-
+        
+        /// <summary>
+        /// Gets or sets the Engine's CurrentGear property. May not be saved.
+        /// </summary>
         public int CurrentGear
         {
-            get => BlockEngine.GetBlockInfo<EngineBlockComponent>(this).currentGear;
-            set => BlockEngine.GetBlockInfo<EngineBlockComponent>(this).currentGear = value;
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).currentGear;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).currentGear = value;
+            }
         }
+        
+        /// <summary>
+        /// Gets or sets the Engine's GearChangeCountdown property. May not be saved.
+        /// </summary>
+        public float GearChangeCountdown
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).gearChangeCountdown;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).gearChangeCountdown = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's CurrentRpmAV property. May not be saved.
+        /// </summary>
+        public float CurrentRpmAV
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).currentRpmAV;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).currentRpmAV = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's CurrentRpmLV property. May not be saved.
+        /// </summary>
+        public float CurrentRpmLV
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).currentRpmLV;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).currentRpmLV = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's TargetRpmAV property. May not be saved.
+        /// </summary>
+        public float TargetRpmAV
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).targetRpmAV;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).targetRpmAV = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's TargetRpmLV property. May not be saved.
+        /// </summary>
+        public float TargetRpmLV
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).targetRpmLV;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).targetRpmLV = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's CurrentTorque property. May not be saved.
+        /// </summary>
+        public float CurrentTorque
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).currentTorque;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).currentTorque = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's TotalWheelVelocityAV property. May not be saved.
+        /// </summary>
+        public float TotalWheelVelocityAV
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).totalWheelVelocityAV;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).totalWheelVelocityAV = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's TotalWheelVelocityLV property. May not be saved.
+        /// </summary>
+        public float TotalWheelVelocityLV
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).totalWheelVelocityLV;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).totalWheelVelocityLV = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's TotalWheelCount property. May not be saved.
+        /// </summary>
+        public int TotalWheelCount
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).totalWheelCount;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).totalWheelCount = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's LastGearUpInput property. May not be saved.
+        /// </summary>
+        public bool LastGearUpInput
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).lastGearUpInput;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).lastGearUpInput = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's LastGearDownInput property. May not be saved.
+        /// </summary>
+        public bool LastGearDownInput
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).lastGearDownInput;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).lastGearDownInput = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's ManualToAutoGearCoolOffCounter property. May not be saved.
+        /// </summary>
+        public float ManualToAutoGearCoolOffCounter
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).manualToAutoGearCoolOffCounter;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).manualToAutoGearCoolOffCounter = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's Load property. May not be saved.
+        /// </summary>
+        public float Load
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).load;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockComponent>(this).load = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's Power property. Tweakable stat.
+        /// </summary>
+        public float Power
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockTweakableComponent>(this).power;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockTweakableComponent>(this).power = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's AutomaticGears property. Tweakable stat.
+        /// </summary>
+        public bool AutomaticGears
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockTweakableComponent>(this).automaticGears;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockTweakableComponent>(this).automaticGears = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's GearChangeTime property. May not be saved.
+        /// </summary>
+        public float GearChangeTime
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).gearChangeTime;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).gearChangeTime = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's MinRpm property. May not be saved.
+        /// </summary>
+        public float MinRpm
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).minRpm;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).minRpm = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's MaxRpm property. May not be saved.
+        /// </summary>
+        public float MaxRpm
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).maxRpm;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).maxRpm = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets the Engine's GearDownRpms property. May not be saved.
+        /// </summary>
+        public float[] GearDownRpms
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).gearDownRpms.ToManagedArray<float>();
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's GearUpRpm property. May not be saved.
+        /// </summary>
+        public float GearUpRpm
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).gearUpRpm;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).gearUpRpm = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's MaxRpmChange property. May not be saved.
+        /// </summary>
+        public float MaxRpmChange
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).maxRpmChange;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).maxRpmChange = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Engine's ManualToAutoGearCoolOffTime property. May not be saved.
+        /// </summary>
+        public float ManualToAutoGearCoolOffTime
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).manualToAutoGearCoolOffTime;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.EngineBlock.EngineBlockReadonlyComponent>(this).manualToAutoGearCoolOffTime = value;
+            }
+        }*/
     }
-}
+}

TechbloxModdingAPI/Blocks/Engines/BlockCloneEngine.cs

@@ -48,8 +48,8 @@ namespace TechbloxModdingAPI.Blocks.Engines
                     pickedBlock.pickedBlockEntityID = sourceID;
                     pickedBlock.placedBlockEntityID = targetID;
                     pickedBlock.placedBlockTweaksMustCopy = true;
-                    if (entitiesDB.Exists<DBEntityStruct>(pickedBlock.pickedBlockEntityID)
-                        && entitiesDB.Exists<DBEntityStruct>(pickedBlock.placedBlockEntityID))
+                    if (entitiesDB.Exists<BlockTagEntityStruct>(pickedBlock.pickedBlockEntityID)
+                        && entitiesDB.Exists<BlockTagEntityStruct>(pickedBlock.placedBlockEntityID))
                     {
                         copyFromBlock.Invoke(Patch.copyEngine, new object[] {pickedBlock.ID, pickedBlock});
 
@@ -60,7 +60,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
                         
                         copyToBlock.Invoke(Patch.copyEngine, new object[] {pickedBlock.ID, pickedBlock});
 
-                        ExclusiveGroupStruct group = WiresExclusiveGroups.WIRES_COPY_GROUP + playerID;
+                        ExclusiveGroupStruct group = BuildModeWiresGroups.WIRES_COPY_GROUP + playerID;
                         copyWireToBlock.Invoke(Patch.createWireEngine, new object[] {group, pickedBlock.ID});
                         
                         pickedBlock.placedBlockTweaksMustCopy = false;

TechbloxModdingAPI/Blocks/Engines/BlockEngine.cs

@@ -1,8 +1,9 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
+using HarmonyLib;
 
 using Gamecraft.ColourPalette;
-using Gamecraft.TimeRunning;
 using Gamecraft.Wires;
 using RobocraftX.Blocks;
 using RobocraftX.Common;
@@ -12,11 +13,16 @@ using RobocraftX.Rendering.GPUI;
 using Svelto.DataStructures;
 using Svelto.ECS;
 using Svelto.ECS.EntityStructs;
+using Svelto.ECS.Experimental;
 using Svelto.ECS.Hybrid;
+using Techblox.BuildingDrone;
+using Techblox.ObjectIDBlockServer;
 using Unity.Mathematics;
 
 using TechbloxModdingAPI.Engines;
 using TechbloxModdingAPI.Utility;
+using TechbloxModdingAPI.Utility.ECS;
+using PrefabsID = RobocraftX.Common.PrefabsID;
 
 namespace TechbloxModdingAPI.Blocks.Engines
 {
@@ -41,22 +47,21 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
 		public Block[] GetConnectedBlocks(EGID blockID)
 		{
-			if (!BlockExists(blockID)) return new Block[0];
+			if (!BlockExists(blockID)) return Array.Empty<Block>();
 			Stack<EGID> cubeStack = new Stack<EGID>();
 			FasterList<EGID> cubes = new FasterList<EGID>(10);
 			var coll = entitiesDB.QueryEntities<GridConnectionsEntityStruct>();
-			foreach (var (ecoll, _) in coll)
+			foreach (var ((ecoll, count), _) in coll)
 			{
-				var ecollB = ecoll.ToBuffer();
-				for(int i = 0; i < ecoll.count; i++)
+				for(int i = 0; i < count; i++)
 				{
-					ref var conn = ref ecollB.buffer[i];
-					conn.isProcessed = false;
+					ecoll[i].areConnectionsAssigned = false;
 				}
 			}
-
-			ConnectedCubesUtility.TreeTraversal.GetConnectedCubes(entitiesDB, blockID, cubeStack, cubes,
-				(in GridConnectionsEntityStruct g) => { return false; });
+			
+			//TODO: GetConnectedCubesUtility
+			/*ConnectedCubesUtility.TreeTraversal.GetConnectedCubes(entitiesDB, blockID, cubeStack, cubes,
+				(in GridConnectionsEntityStruct _) => false);*/
 
 			var ret = new Block[cubes.count];
 			for (int i = 0; i < cubes.count; i++)
@@ -67,7 +72,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
 		public float4 ConvertBlockColor(byte index) => index == byte.MaxValue
 			? new float4(-1f, -1f, -1f, -1f)
 			: entitiesDB.QueryEntity<PaletteEntryEntityStruct>(index,
-				CommonExclusiveGroups.COLOUR_PALETTE_GROUP).Colour;
+				ColourPaletteExclusiveGroups.COLOUR_PALETTE_GROUP).Colour;
 
 		public OptionalRef<T> GetBlockInfoOptional<T>(Block block) where T : unmanaged, IEntityComponent
 		{
@@ -76,6 +81,10 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
 		public ref T GetBlockInfo<T>(Block block) where T : unmanaged, IEntityComponent
 		{
+			#if DEBUG
+			if (!typeof(BlockTagEntityStruct).IsAssignableFrom(typeof(T)) && block.Exists && block.InitData.Valid)
+				throw new ArgumentException("The block exists but the init data has not been removed!");
+			#endif
 			return ref entitiesDB.QueryEntityOrDefault<T>(block);
 		}
 
@@ -89,13 +98,35 @@ namespace TechbloxModdingAPI.Blocks.Engines
 			return ref entitiesDB.QueryEntityOrDefault<T>(block);
 		}
 
+		internal object GetBlockInfo(Block block, Type type, string name)
+		{
+			var opt = AccessTools.Method(typeof(NativeApiExtensions), "QueryEntityOptional",
+					new[] { typeof(EntitiesDB), typeof(EcsObjectBase), typeof(ExclusiveGroupStruct) }, new[] { type })
+				.Invoke(null, new object[] { entitiesDB, block, null });
+			var str = AccessTools.Property(opt.GetType(), "Value").GetValue(opt);
+			return AccessTools.Field(str.GetType(), name).GetValue(str);
+		}
+
+		internal void SetBlockInfo(Block block, Type type, string name, object value)
+		{
+			var opt = AccessTools.Method(typeof(BlockEngine), "GetBlockInfoOptional", generics: new[] { type })
+				.Invoke(this, new object[] { block });
+			var prop = AccessTools.Property(opt.GetType(), "Value");
+			var str = prop.GetValue(opt);
+			AccessTools.Field(str.GetType(), name).SetValue(str, value);
+			prop.SetValue(opt, str);
+		}
+
 		public void UpdateDisplayedBlock(EGID id)
 		{
 			if (!BlockExists(id)) return;
 			var pos = entitiesDB.QueryEntity<PositionEntityStruct>(id);
 			var rot = entitiesDB.QueryEntity<RotationEntityStruct>(id);
 			var scale = entitiesDB.QueryEntity<ScalingEntityStruct>(id);
-			entitiesDB.QueryEntity<RenderingDataStruct>(id).matrix = float4x4.TRS(pos.position, rot.rotation, scale.scale);
+			var skew = entitiesDB.QueryEntity<SkewComponent>(id);
+			entitiesDB.QueryEntity<RenderingDataStruct>(id).matrix =
+				math.mul(float4x4.TRS(pos.position, rot.rotation, scale.scale), skew.skewMatrix);
+			entitiesDB.PublishEntityChangeDelayed<GFXPrefabEntityStructGPUI>(id); // Signal a prefab change so it updates the render buffers
 		}
 
 		internal void UpdatePrefab(Block block, byte material, bool flipped)
@@ -106,62 +137,73 @@ namespace TechbloxModdingAPI.Blocks.Engines
 				: uint.MaxValue;
 			if (prefabAssetID == uint.MaxValue)
 			{
-				if (entitiesDB.QueryEntityOptional<DBEntityStruct>(block)) //The block exists
+				if (entitiesDB.QueryEntityOptional<BlockTagEntityStruct>(block)) //The block exists
 					throw new BlockException("Prefab asset ID not found for block " + block); //Set by the game
 				return;
 			}
 
 			uint prefabId =
-				PrefabsID.GetOrCreatePrefabID((ushort) prefabAssetID, material, 1, flipped);
+				PrefabsID.GetOrAddPrefabID((ushort) prefabAssetID, material, 1, flipped);
 			entitiesDB.QueryEntityOrDefault<GFXPrefabEntityStructGPUI>(block).prefabID = prefabId;
 			if (block.Exists)
-				entitiesDB.PublishEntityChange<GFXPrefabEntityStructGPUI>(block.Id);
+			{
+				entitiesDB.PublishEntityChangeDelayed<CubeMaterialStruct>(block.Id);
+				entitiesDB.PublishEntityChangeDelayed<GFXPrefabEntityStructGPUI>(block.Id);
+
+				ref BuildingActionComponent local =
+					ref entitiesDB.QueryEntity<BuildingActionComponent>(BuildingDroneUtility
+						.GetLocalBuildingDrone(entitiesDB).ToEGID(entitiesDB));
+				local.buildAction = BuildAction.ChangeMaterial;
+				local.targetPosition = block.Position;
+				this.entitiesDB.PublishEntityChangeDelayed<BuildingActionComponent>(local.ID);
+			}
 			//Phyiscs prefab: prefabAssetID, set on block creation from the CubeListData
 		}
 
+		public void UpdateBlockColor(EGID id)
+		{
+			entitiesDB.PublishEntityChangeDelayed<ColourParameterEntityStruct>(id);
+		}
+
 		public bool BlockExists(EGID blockID)
 		{
-			return entitiesDB.Exists<DBEntityStruct>(blockID);
+			return entitiesDB.Exists<BlockTagEntityStruct>(blockID);
 		}
 
 		public SimBody[] GetSimBodiesFromID(byte id)
 		{
 			var ret = new FasterList<SimBody>(4);
-			var oide = entitiesDB.QueryEntities<ObjectIdEntityStruct>();
+			var oids = entitiesDB.QueryEntitiesOptional<ObjectIdEntityStruct>(ObjectIDBlockExclusiveGroups.OBJECT_ID_BLOCK_GROUP);
 			EGIDMapper<GridConnectionsEntityStruct>? connections = null;
-			foreach (var ((oids, count), _) in oide)
+			foreach (var oid in oids)
 			{
-				for (int i = 0; i < count; i++)
-				{	
-					ref ObjectIdEntityStruct oid = ref oids[i];
-					if (oid.objectId != id) continue;
-					if (!connections.HasValue) //Would need reflection to get the group from the build group otherwise
-						connections = entitiesDB.QueryMappedEntities<GridConnectionsEntityStruct>(oid.ID.groupID);
-					var rid = connections.Value.Entity(oid.ID.entityID).machineRigidBodyId;
-					foreach (var rb in ret)
-					{
-						if (rb.Id.entityID == rid)
-							goto DUPLICATE; //Multiple Object Identifiers on one rigid body
-					}
-
-					ret.Add(new SimBody(rid));
-					DUPLICATE: ;
+				if (oid.Get().objectId != id) continue;
+				if (!connections.HasValue) //Would need reflection to get the group from the build group otherwise
+					connections = entitiesDB.QueryMappedEntities<GridConnectionsEntityStruct>(oid.EGID.groupID);
+				//var rid = connections.Value.Entity(tag.ID.entityID).machineRigidBodyId;
+				/*foreach (var rb in ret) - TODO
+				{
+					if (rb.Id.entityID == rid)
+						goto DUPLICATE; //Multiple Object Identifiers on one rigid body
 				}
-			}
 
+				ret.Add(new SimBody(rid));
+				DUPLICATE: ;*/
+			}
+			
 			return ret.ToArray();
 		}
 
 		public SimBody[] GetConnectedSimBodies(uint id)
 		{
-			var joints = entitiesDB.QueryEntities<JointEntityStruct>(MachineSimulationGroups.JOINTS_GROUP).ToBuffer();
+			var (joints, count) = entitiesDB.QueryEntities<JointEntityStruct>(MachineSimulationGroups.JOINTS_GROUP);
 			var list = new FasterList<SimBody>(4);
-			for (int i = 0; i < joints.count; i++)
+			for (int i = 0; i < count; i++)
 			{
-				ref var joint = ref joints.buffer[i];
+				ref var joint = ref joints[i];
 				if (joint.isBroken) continue;
-				if (joint.connectedEntityA == id) list.Add(new SimBody(joint.connectedEntityB));
-				else if (joint.connectedEntityB == id) list.Add(new SimBody(joint.connectedEntityA));
+				/*if (joint.connectedEntityA == id) list.Add(new SimBody(joint.connectedEntityB)); - TODO:
+				else if (joint.connectedEntityB == id) list.Add(new SimBody(joint.connectedEntityA));*/
 			}
 
 			return list.ToArray();
@@ -171,14 +213,13 @@ namespace TechbloxModdingAPI.Blocks.Engines
 		{
 			var groups = entitiesDB.QueryEntities<GridConnectionsEntityStruct>();
 			var bodies = new HashSet<uint>();
-			foreach (var (coll, _) in groups)
+			foreach (var ((coll, count), _) in groups)
 			{
-				var array = coll.ToBuffer().buffer;
-				for (var index = 0; index < array.capacity; index++)
+				for (var index = 0; index < count; index++)
 				{
-					var conn = array[index];
-					if (conn.clusterId == cid)
-						bodies.Add(conn.machineRigidBodyId);
+					var conn = coll[index];
+					/*if (conn.clusterId == cid) - TODO
+						bodies.Add(conn.machineRigidBodyId);*/
 				}
 			}
 
@@ -187,10 +228,10 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
 		public EGID? FindBlockEGID(uint id)
 		{
-			var groups = entitiesDB.FindGroups<DBEntityStruct>();
+			var groups = entitiesDB.FindGroups<BlockTagEntityStruct>();
 			foreach (ExclusiveGroupStruct group in groups)
 			{
-				if (entitiesDB.Exists<DBEntityStruct>(id, group))
+				if (entitiesDB.Exists<BlockTagEntityStruct>(id, group))
 					return new EGID(id, group);
 			}
 
@@ -200,15 +241,14 @@ namespace TechbloxModdingAPI.Blocks.Engines
 		public Cluster GetCluster(uint sbid)
 		{
 			var groups = entitiesDB.QueryEntities<GridConnectionsEntityStruct>();
-			foreach (var (coll, _) in groups)
+			foreach (var ((coll, count), _) in groups)
 			{
-				var array = coll.ToBuffer().buffer;
-				for (var index = 0; index < array.capacity; index++)
+				for (var index = 0; index < count; index++)
 				{
-					var conn = array[index];
+					var conn = coll[index];
 					//Static blocks don't have a cluster ID but the cluster destruction manager should have one
-					if (conn.machineRigidBodyId == sbid && conn.clusterId != uint.MaxValue)
-						return new Cluster(conn.clusterId);
+					/*if (conn.machineRigidBodyId == sbid && conn.clusterId != uint.MaxValue) - TODO:
+						return new Cluster(conn.clusterId);*/
 				}
 			}
 
@@ -217,27 +257,36 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
 		public Block[] GetBodyBlocks(uint sbid)
 		{
-			var groups = entitiesDB.QueryEntities<GridConnectionsEntityStruct>();
+			var groups = entitiesDB.FindGroups<GridConnectionsEntityStruct>();
+			groups = new QueryGroups(groups).Except(CommonExclusiveGroups.DISABLED_JOINTS_IN_SIM_GROUP).Evaluate().result;
 			var set = new HashSet<Block>();
-			foreach (var (coll, _) in groups)
+			foreach (var ((coll, tags, count), _) in entitiesDB.QueryEntities<GridConnectionsEntityStruct, BlockTagEntityStruct>(groups))
 			{
-				var array = coll.ToBuffer().buffer;
-				for (var index = 0; index < array.capacity; index++)
+				for (var index = 0; index < count; index++)
 				{
-					var conn = array[index];
-					if (conn.machineRigidBodyId == sbid)
-						set.Add(Block.New(conn.ID));
+					var conn = coll[index];
+					/*if (conn.machineRigidBodyId == sbid) - TODO
+						set.Add(Block.New(tags[index].ID));*/
 				}
 			}
 
 			return set.ToArray();
 		}
 
-#if DEBUG
-		public EntitiesDB GetEntitiesDB()
+		public ObjectID[] GetObjectIDsFromID(byte id)
 		{
-			return entitiesDB;
+			if (!entitiesDB.HasAny<ObjectIDTweakableComponent>(ObjectIDBlockExclusiveGroups.OBJECT_ID_BLOCK_GROUP))
+				return Array.Empty<ObjectID>();
+
+			var ret = new FasterList<ObjectID>(4);
+			var oids = entitiesDB.QueryEntitiesOptional<ObjectIDTweakableComponent>(ObjectIDBlockExclusiveGroups.OBJECT_ID_BLOCK_GROUP);
+			foreach (var oid in oids)
+			{
+				if (oid.Get().objectIDToTrigger == id)
+					ret.Add(new ObjectID(oid.EGID));
+			}
+
+			return ret.ToArray();
 		}
-#endif
 	}
 }

TechbloxModdingAPI/Blocks/Engines/BlockEventsEngine.cs

@@ -10,8 +10,8 @@ namespace TechbloxModdingAPI.Blocks.Engines
 {
     public class BlockEventsEngine : IReactionaryEngine<BlockTagEntityStruct>
     {
-        public event EventHandler<BlockPlacedRemovedEventArgs> Placed;
-        public event EventHandler<BlockPlacedRemovedEventArgs> Removed;
+        public WrappedHandler<BlockPlacedRemovedEventArgs> Placed;
+        public WrappedHandler<BlockPlacedRemovedEventArgs> Removed;
 
         public void Ready()
         {
@@ -26,21 +26,14 @@ namespace TechbloxModdingAPI.Blocks.Engines
         public string Name { get; } = "TechbloxModdingAPIBlockEventsEngine";
         public bool isRemovable { get; } = false;
 
-        private bool shouldAddRemove;
         public void Add(ref BlockTagEntityStruct entityComponent, EGID egid)
         {
-            if (!(shouldAddRemove = !shouldAddRemove))
-                return;
-            ExceptionUtil.InvokeEvent(Placed, this,
-                new BlockPlacedRemovedEventArgs {ID = egid});
+            Placed.Invoke(this, new BlockPlacedRemovedEventArgs {ID = egid});
         }
 
         public void Remove(ref BlockTagEntityStruct entityComponent, EGID egid)
         {
-            if (!(shouldAddRemove = !shouldAddRemove))
-                return;
-            ExceptionUtil.InvokeEvent(Removed, this,
-                new BlockPlacedRemovedEventArgs {ID = egid});
+            Removed.Invoke(this, new BlockPlacedRemovedEventArgs {ID = egid});
         }
     }
 
@@ -49,6 +42,6 @@ namespace TechbloxModdingAPI.Blocks.Engines
         public EGID ID;
         private Block block;
 
-        public Block Block => block ?? (block = Block.New(ID));
+        public Block Block => block ??= Block.New(ID);
     }
 }

TechbloxModdingAPI/Blocks/Engines/BlueprintEngine.cs

@@ -1,21 +1,27 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Reflection;
 using Gamecraft.Blocks.BlockGroups;
 using Gamecraft.GUI.Blueprints;
 using HarmonyLib;
 using RobocraftX.Blocks;
+using RobocraftX.Blocks.Ghost;
 using RobocraftX.Common;
 using RobocraftX.CR.MachineEditing.BoxSelect;
 using RobocraftX.CR.MachineEditing.BoxSelect.ClipboardOperations;
+using RobocraftX.Physics;
+using RobocraftX.Rendering;
+using RobocraftX.Rendering.GPUI;
 using Svelto.DataStructures;
 using Svelto.ECS;
 using Svelto.ECS.DataStructures;
 using Svelto.ECS.EntityStructs;
 using Svelto.ECS.Native;
 using Svelto.ECS.Serialization;
+using Techblox.Blocks.Connections;
 using TechbloxModdingAPI.Engines;
 using TechbloxModdingAPI.Utility;
+using TechbloxModdingAPI.Utility.ECS;
 using Unity.Collections;
 using Unity.Mathematics;
 using UnityEngine;
@@ -43,7 +49,8 @@ namespace TechbloxModdingAPI.Blocks.Engines
         private static readonly MethodInfo SerializeGhostBlueprint =
             AccessTools.Method(SerializeGhostBlueprintType, "SerializeClipboardGhostEntities");
 
-        private static NativeEntityRemove nativeRemove;
+        private static NativeEntityRemove nativeBlockRemove;
+        private static NativeEntityRemove nativeConnectionRemove;
         private static MachineGraphConnectionEntityFactory connectionFactory;
         private static IEntityFunctions entityFunctions;
         private static ClipboardSerializationDataResourceManager clipboardManager;
@@ -83,8 +90,8 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
         public void RemoveBlockGroup(int id)
         {
-            BlockGroupUtility.RemoveAllBlocksInBlockGroup(id, entitiesDB, removedConnections, nativeRemove,
-                connectionFactory, default).Complete();
+            BlockGroupUtility.RemoveAllBlocksInBlockGroup(id, entitiesDB, removedConnections, nativeBlockRemove,
+                nativeConnectionRemove, connectionFactory, default).Complete();
         }
 
         public int CreateBlockGroup(float3 position, quaternion rotation)
@@ -168,7 +175,8 @@ namespace TechbloxModdingAPI.Blocks.Engines
             foreach (var block in blocks)
             {
                 GhostChildUtility.BuildGhostChild(in playerID, block.Id, in pos, in rot, entitiesDB,
-                    BuildGhostBlueprintFactory, false, bssesopt.Get().buildingDroneReference);
+                    BuildGhostBlueprintFactory, false, bssesopt.Get().buildingDroneReference,
+                    FullGameFields._managers.blockLabelResourceManager);
             }
         }
 
@@ -252,6 +260,77 @@ namespace TechbloxModdingAPI.Blocks.Engines
         {
             clipboardManager.DecrementRefCount(blueprintID);
         }
+        
+
+        //GhostChildUtility.BuildGhostChild
+        public Block BuildGhostChild()
+        {
+            var sourceId = new EGID(Player.LocalPlayer.Id, GHOST_BLOCKS_ENABLED.Group);
+            var positionEntityStruct = entitiesDB.QueryEntity<PositionEntityStruct>(sourceId);
+            var rotationEntityStruct = entitiesDB.QueryEntity<RotationEntityStruct>(sourceId);
+            var scalingEntityStruct = entitiesDB.QueryEntity<ScalingEntityStruct>(sourceId);
+            var dbStruct = entitiesDB.QueryEntity<DBEntityStruct>(sourceId);
+            var colliderStruct = entitiesDB.QueryEntity<ColliderAabb>(sourceId);
+            var colorStruct = entitiesDB.QueryEntity<ColourParameterEntityStruct>(sourceId);
+            uint ghostChildBlockId = CommonExclusiveGroups.GetNewGhostChildBlockID();
+            var ghostEntityReference = GhostBlockUtils.GetGhostEntityReference(sourceId.entityID, entitiesDB);
+            var entityInitializer = BuildGhostBlueprintFactory.Build(
+                new EGID(ghostChildBlockId, BoxSelectExclusiveGroups.GhostChildEntitiesExclusiveGroup), /*dbStruct.DBID*/ (uint)BlockIDs.Cube,
+                FullGameFields._managers.blockLabelResourceManager);
+            entityInitializer.Init(dbStruct);
+            entityInitializer.Init(new GFXPrefabEntityStructGPUI(
+                PrefabsID.GetOrAddPrefabID((ushort)entityInitializer.Get<PrefabAssetIDComponent>().prefabAssetID,
+                    entitiesDB.QueryEntity<CubeMaterialStruct>(sourceId).materialId, 7,
+                    FlippedBlockUtils.IsFlipped(in scalingEntityStruct.scale)), true));
+            entityInitializer.Init(entitiesDB.QueryEntity<CubeMaterialStruct>(sourceId));
+            entityInitializer.Init(new GhostParentEntityStruct
+            {
+                ghostBlockParentEntityReference = ghostEntityReference,
+                ownerMustSerializeOnAdd = false
+            });
+            entityInitializer.Init(colorStruct);
+            entityInitializer.Init(colliderStruct);
+            entityInitializer.Init(new RigidBodyEntityStruct
+            {
+                position = positionEntityStruct.position,
+                rotation = rotationEntityStruct.rotation
+            });
+            entityInitializer.Init(new ScalingEntityStruct
+            {
+                scale = scalingEntityStruct.scale
+            });
+            entityInitializer.Init(new LocalTransformEntityStruct
+            {
+                position = positionEntityStruct.position,
+                rotation = rotationEntityStruct.rotation
+            });
+            entityInitializer.Init(new RotationEntityStruct
+            {
+                rotation = rotationEntityStruct.rotation
+            });
+            entityInitializer.Init(new PositionEntityStruct
+            {
+                position = positionEntityStruct.position
+            });
+            entityInitializer.Init(new SkewComponent
+            {
+                skewMatrix = entitiesDB.QueryEntity<SkewComponent>(sourceId).skewMatrix
+            });
+            entityInitializer.Init(new BlockPlacementInfoStruct
+            {
+                placedByBuildingDrone = entitiesDB
+                    .QueryEntityOptional<BoxSelectStateEntityStruct>(new EGID(Player.LocalPlayer.Id,
+                        BoxSelectExclusiveGroups.BoxSelectVolumeExclusiveGroup)).Get().buildingDroneReference
+            });
+            entityInitializer.Init(new GridRotationStruct
+            {
+                position = float3.zero,
+                rotation = quaternion.identity
+            });
+            var block = Block.New(entityInitializer.EGID);
+            block.InitData = entityInitializer;
+            return block;
+        }
 
         public string Name { get; } = "TechbloxModdingAPIBlueprintGameEngine";
         public bool isRemovable { get; } = false;
@@ -262,7 +341,8 @@ namespace TechbloxModdingAPI.Blocks.Engines
             public static void Prefix(IEntityFunctions entityFunctions,
                 MachineGraphConnectionEntityFactory machineGraphConnectionEntityFactory)
             {
-                nativeRemove = entityFunctions.ToNativeRemove<BlockEntityDescriptor>("GCAPI" + nameof(BlueprintEngine));
+                nativeBlockRemove = entityFunctions.ToNativeRemove<BlockEntityDescriptor>("TBAPI" + nameof(BlueprintEngine));
+                nativeConnectionRemove = entityFunctions.ToNativeRemove<MachineConnectionEntityDescriptor>("TBAPI" + nameof(BlueprintEngine));
                 connectionFactory = machineGraphConnectionEntityFactory;
                 BlueprintEngine.entityFunctions = entityFunctions;
             }

TechbloxModdingAPI/Blocks/Engines/MovementEngine.cs

@@ -1,5 +1,5 @@
 using RobocraftX.Common;
-using RobocraftX.UECS;
+using RobocraftX.DOTS;
 using Svelto.ECS;
 using Svelto.ECS.EntityStructs;
 using Unity.Mathematics;
@@ -7,6 +7,7 @@ using Unity.Transforms;
 
 using TechbloxModdingAPI.Engines;
 using TechbloxModdingAPI.Utility;
+using TechbloxModdingAPI.Utility.ECS;
 
 namespace TechbloxModdingAPI.Blocks.Engines
 {
@@ -40,7 +41,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
             ref PositionEntityStruct posStruct = ref this.entitiesDB.QueryEntityOrDefault<PositionEntityStruct>(block);
             ref GridRotationStruct gridStruct = ref this.entitiesDB.QueryEntityOrDefault<GridRotationStruct>(block);
             ref LocalTransformEntityStruct transStruct = ref this.entitiesDB.QueryEntityOrDefault<LocalTransformEntityStruct>(block);
-            ref UECSPhysicsEntityStruct phyStruct = ref this.entitiesDB.QueryEntityOrDefault<UECSPhysicsEntityStruct>(block);
+            var phyStruct = this.entitiesDB.QueryEntityOptional<DOTSPhysicsEntityStruct>(block);
             // main (persistent) position
             posStruct.position = vector;
             // placement grid  position
@@ -48,15 +49,15 @@ namespace TechbloxModdingAPI.Blocks.Engines
             // rendered position
             transStruct.position = vector;
             // collision position
-            if (phyStruct.ID != EGID.Empty)
+            if (phyStruct)
             { //It exists
-                FullGameFields._physicsWorld.EntityManager.SetComponentData(phyStruct.uecsEntity, new Translation
+                FullGameFields._physicsWorld.EntityManager.SetComponentData(phyStruct.Get().dotsEntity, new Translation
                 {
                     Value = posStruct.position
                 });
             }
 
-            entitiesDB.QueryEntityOrDefault<GridConnectionsEntityStruct>(block).isProcessed = false;
+            entitiesDB.QueryEntityOrDefault<GridConnectionsEntityStruct>(block).areConnectionsAssigned = false;
             return posStruct.position;
         }
 

TechbloxModdingAPI/Blocks/Engines/PlacementEngine.cs

@@ -16,6 +16,7 @@ using Unity.Mathematics;
 
 using TechbloxModdingAPI.Engines;
 using TechbloxModdingAPI.Utility;
+using TechbloxModdingAPI.Utility.ECS;
 
 namespace TechbloxModdingAPI.Blocks.Engines
 {
@@ -54,11 +55,11 @@ namespace TechbloxModdingAPI.Blocks.Engines
             //RobocraftX.CR.MachineEditing.PlaceSingleBlockEngine
             DBEntityStruct dbEntity = new DBEntityStruct {DBID = block};
 
-            EntityInitializer structInitializer = _blockEntityFactory.Build(CommonExclusiveGroups.nextBlockEntityID, block); //The ghost block index is only used for triggers
+            EntityInitializer structInitializer = _blockEntityFactory.Build(CommonExclusiveGroups.blockIDGeneratorClient.Next(), block); //The ghost block index is only used for triggers
             uint prefabAssetID = structInitializer.Has<PrefabAssetIDComponent>()
                 ? structInitializer.Get<PrefabAssetIDComponent>().prefabAssetID
                 : throw new BlockException("Prefab asset ID not found!"); //Set by the game
-            uint prefabId = PrefabsID.GetOrCreatePrefabID((ushort) prefabAssetID, (byte) BlockMaterial.SteelBodywork, 1, false);
+            uint prefabId = PrefabsID.GetOrAddPrefabID((ushort) prefabAssetID, (byte) BlockMaterial.SteelBodywork, 1, false);
             structInitializer.Init(new GFXPrefabEntityStructGPUI(prefabId));
             structInitializer.Init(dbEntity);
             structInitializer.Init(new PositionEntityStruct {position = position});

TechbloxModdingAPI/Blocks/Engines/RemovalEngine.cs

@@ -1,46 +1,61 @@
 using System.Reflection;
 
+using Gamecraft.Blocks.BlockGroups;
 using HarmonyLib;
 using RobocraftX.Blocks;
 using RobocraftX.Common;
+using RobocraftX.GroupTags;
+using RobocraftX.StateSync;
 using Svelto.ECS;
 using Svelto.ECS.Native;
+using Techblox.Blocks.Connections;
+using Unity.Collections;
+using Unity.Jobs;
+using Allocator = Unity.Collections.Allocator;
 
 using TechbloxModdingAPI.Engines;
 using TechbloxModdingAPI.Utility;
 
 namespace TechbloxModdingAPI.Blocks.Engines
 {
-    public class RemovalEngine : IApiEngine
+    public class RemovalEngine : IApiEngine, IDeterministicTimeStopped
     {
         private static IEntityFunctions _entityFunctions;
         private static MachineGraphConnectionEntityFactory _connectionFactory;
+        private NativeHashSet<ulong> removedConnections;
 
         public bool RemoveBlock(EGID target)
         {
             if (!entitiesDB.Exists<MachineGraphConnectionsEntityStruct>(target))
                 return false;
-            var connections = entitiesDB.QueryEntity<MachineGraphConnectionsEntityStruct>(target);
-            var groups = entitiesDB.FindGroups<MachineGraphConnectionsEntityStruct>();
-            var connStructMapper =
-                entitiesDB.QueryNativeMappedEntities<MachineGraphConnectionsEntityStruct>(groups);
-            for (int i = connections.connections.Count<MachineConnectionStruct>() - 1; i >= 0; i--)
-                _connectionFactory.RemoveConnection(connections, i, connStructMapper);
+            using var connStructMapper =
+                entitiesDB.QueryNativeMappedEntities<MachineGraphConnectionsEntityStruct>(GroupTag<BLOCK_TAG>.Groups,
+                    Svelto.Common.Allocator.Temp);
+            if (entitiesDB.TryQueryNativeMappedEntities<MachineConnectionComponent>(
+                    ConnectionsExclusiveGroups.MACHINE_CONNECTION_GROUP, out var mapper))
+            {
+                BlockGroupUtility.RemoveBlockConnections(target, removedConnections, _connectionFactory,
+                    connStructMapper, mapper, entitiesDB.GetEntityReferenceMap(), _entityFunctions);
+            }
+
             _entityFunctions.RemoveEntity<BlockEntityDescriptor>(target);
             return true;
         }
 
         public void Ready()
         {
+            removedConnections = new(2000, Allocator.Persistent);
         }
 
         public EntitiesDB entitiesDB { get; set; }
 
         public void Dispose()
         {
+            removedConnections.Dispose();
         }
 
-        public string Name { get; } = "TechbloxModdingAPIRemovalGameEngine";
+        public string Name => "TechbloxModdingAPIRemovalGameEngine";
+        public string name => Name;
 
 		public bool isRemovable => false;
 
@@ -60,5 +75,12 @@ namespace TechbloxModdingAPI.Blocks.Engines
                 return AccessTools.TypeByName("RobocraftX.CR.MachineEditing.RemoveBlockEngine").GetConstructors()[0];
             }
         }
+
+        public JobHandle DeterministicStep(in float deltaTime, JobHandle inputDeps)
+        {
+            if (removedConnections.IsCreated)
+                removedConnections.Clear();
+            return default;
+        }
     }
 }

TechbloxModdingAPI/Blocks/Engines/RotationEngine.cs

@@ -1,5 +1,5 @@
 using RobocraftX.Common;
-using RobocraftX.UECS;
+using RobocraftX.DOTS;
 using Svelto.ECS;
 using Svelto.ECS.EntityStructs;
 using Unity.Mathematics;
@@ -7,6 +7,7 @@ using UnityEngine;
 
 using TechbloxModdingAPI.Engines;
 using TechbloxModdingAPI.Utility;
+using TechbloxModdingAPI.Utility.ECS;
 
 namespace TechbloxModdingAPI.Blocks.Engines
 {
@@ -40,7 +41,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
             ref RotationEntityStruct rotStruct = ref this.entitiesDB.QueryEntityOrDefault<RotationEntityStruct>(block);
             ref GridRotationStruct gridStruct = ref this.entitiesDB.QueryEntityOrDefault<GridRotationStruct>(block);
             ref LocalTransformEntityStruct transStruct = ref this.entitiesDB.QueryEntityOrDefault<LocalTransformEntityStruct>(block);
-            ref UECSPhysicsEntityStruct phyStruct = ref this.entitiesDB.QueryEntityOrDefault<UECSPhysicsEntityStruct>(block);
+            var phyStruct = this.entitiesDB.QueryEntityOptional<DOTSPhysicsEntityStruct>(block);
             // main (persistent) rotation
             Quaternion newRotation = rotStruct.rotation;
             newRotation.eulerAngles = vector;
@@ -50,16 +51,18 @@ namespace TechbloxModdingAPI.Blocks.Engines
             // rendered rotation
             transStruct.rotation = newRotation;
             // collision rotation
-            if (phyStruct.ID != EGID.Empty)
+            if (phyStruct)
             { //It exists
-                FullGameFields._physicsWorld.EntityManager.SetComponentData(phyStruct.uecsEntity,
+                FullGameFields._physicsWorld.EntityManager.SetComponentData(phyStruct.Get().dotsEntity,
                     new Unity.Transforms.Rotation
                     {
                         Value = rotStruct.rotation
                     });
             }
 
-            entitiesDB.QueryEntityOrDefault<GridConnectionsEntityStruct>(block).isProcessed = false;
+            // TODO: Connections probably need to be assigned (maybe)
+            // They are assigned during machine processing anyway
+            entitiesDB.QueryEntityOrDefault<GridConnectionsEntityStruct>(block).areConnectionsAssigned = false;
             return ((Quaternion)rotStruct.rotation).eulerAngles;
 
         }

TechbloxModdingAPI/Blocks/Engines/ScalingEngine.cs

@@ -2,7 +2,7 @@
 
 using HarmonyLib;
 using RobocraftX.Common;
-using RobocraftX.UECS;
+using RobocraftX.DOTS;
 using Svelto.ECS;
 using Unity.Entities;
 
@@ -13,7 +13,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
 {
     public class ScalingEngine : IApiEngine
     {
-        private static IReactOnAddAndRemove<UECSPhysicsEntityCreationStruct> physicsEngine;
+        private static IReactOnAddAndRemove<DOTSPhysicsEntityCreationStruct> physicsEngine;
 
         public void Ready()
         {
@@ -34,16 +34,16 @@ namespace TechbloxModdingAPI.Blocks.Engines
 			if (_entityManager == default)
 				_entityManager = FullGameFields._physicsWorld.EntityManager;
 			//Assuming the block exists
-			var entity = entitiesDB.QueryEntity<UECSPhysicsEntityStruct>(egid).uecsEntity;
-			var pes = new UECSPhysicsEntityCreationStruct();
-			physicsEngine.Add(ref pes, egid); //Create new UECS entity
+			var entity = entitiesDB.QueryEntity<DOTSPhysicsEntityStruct>(egid).dotsEntity;
+			var pes = new DOTSPhysicsEntityCreationStruct();
+			physicsEngine.Add(ref pes, egid); //Create new DOTS entity
 			_entityManager.DestroyEntity(entity);
 		}
 
 		[HarmonyPatch]
         class PhysicsEnginePatch
         {
-            static void Postfix(IReactOnAddAndRemove<UECSPhysicsEntityCreationStruct> __instance)
+            static void Postfix(IReactOnAddAndRemove<DOTSPhysicsEntityCreationStruct> __instance)
             {
                 physicsEngine = __instance;
                 Logging.MetaDebugLog("Physics engine injected.");
@@ -51,7 +51,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
             static MethodBase TargetMethod(Harmony instance)
             {
-	            return AccessTools.Method("RobocraftX.StateSync.HandleUECSPhysicEntitiesWithPrefabCreationEngine" +
+	            return AccessTools.Method("RobocraftX.StateSync.HandleDOTSPhysicEntitiesWithPrefabCreationEngine" +
 	                                      ":Ready");
             }
         }

TechbloxModdingAPI/Blocks/Engines/SignalEngine.cs

@@ -6,6 +6,7 @@ using Svelto.ECS;
 
 using TechbloxModdingAPI.Engines;
 using TechbloxModdingAPI.Utility;
+using TechbloxModdingAPI.Utility.ECS;
 
 namespace TechbloxModdingAPI.Blocks.Engines
 {
@@ -41,19 +42,18 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
         // implementations for block wiring
 
-        public WireEntityStruct CreateNewWire(EGID startBlock, byte startPort, EGID endBlock, byte endPort)
+        public (WireEntityStruct Wire, EGID ID) CreateNewWire(EGID startBlock, byte startPort, EGID endBlock, byte endPort)
         {
-	        EGID wireEGID = new EGID(WiresExclusiveGroups.NewWireEntityId, NamedExclusiveGroup<WiresGroup>.Group);
+	        EGID wireEGID = new EGID(BuildModeWiresGroups.NewWireEntityId, BuildModeWiresGroups.WiresGroup.Group);
 	        EntityInitializer wireInitializer = Factory.BuildEntity<WireEntityDescriptor>(wireEGID);
 			wireInitializer.Init(new WireEntityStruct
 			{
 				sourceBlockEGID = startBlock,
 				sourcePortUsage = startPort,
 				destinationBlockEGID = endBlock,
-				destinationPortUsage = endPort,
-				ID = wireEGID
+				destinationPortUsage = endPort
 			});
-	        return wireInitializer.Get<WireEntityStruct>();
+	        return (wireInitializer.Get<WireEntityStruct>(), wireEGID);
         }
 
         public ref WireEntityStruct GetWire(EGID wire)
@@ -77,8 +77,8 @@ namespace TechbloxModdingAPI.Blocks.Engines
         public ref PortEntityStruct GetPortByOffset(BlockPortsStruct bps, byte portNumber, bool input)
         {
 	        ExclusiveGroup group = input
-		        ? NamedExclusiveGroup<InputPortsGroup>.Group
-		        : NamedExclusiveGroup<OutputPortsGroup>.Group;
+		        ? NamedExclusiveGroup<BuildModeWiresGroups.InputPortsGroup>.Group
+		        : NamedExclusiveGroup<BuildModeWiresGroups.OutputPortsGroup>.Group;
 	        uint id = (input ? bps.firstInputID : bps.firstOutputID) + portNumber;
 	        EGID egid = new EGID(id, group);
 	        if (!entitiesDB.Exists<PortEntityStruct>(egid))
@@ -116,9 +116,8 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
         public bool SetSignal(uint signalID, float signal, bool input = true)
         {
-	        var array = GetSignalStruct(signalID, out uint index, input);
-	        var arrayB = array.ToBuffer();
-	        if (array.count > 0) arrayB.buffer[index].valueAsFloat = signal;
+	        var (array, count) = GetSignalStruct(signalID, out uint index, input);
+	        if (count > 0) array[index].valueAsFloat = signal;
             return false;
         }
 
@@ -130,11 +129,10 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
         public float AddSignal(uint signalID, float signal, bool clamp = true, bool input = true)
         {
-	        var array = GetSignalStruct(signalID, out uint index, input);
-	        var arrayB = array.ToBuffer();
-	        if (array.count > 0)
+	        var (array, count) = GetSignalStruct(signalID, out uint index, input);
+	        if (count > 0)
 	        {
-		        ref var channelData = ref arrayB.buffer[index];
+		        ref var channelData = ref array[index];
 		        channelData.valueAsFloat += signal;
 		        if (clamp)
 		        {
@@ -162,9 +160,8 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
         public float GetSignal(uint signalID, bool input = true)
         {
-	        var array = GetSignalStruct(signalID, out uint index, input);
-	        var arrayB = array.ToBuffer();
-	        return array.count > 0 ? arrayB.buffer[index].valueAsFloat : 0f;
+	        var (array, count) = GetSignalStruct(signalID, out uint index, input);
+	        return count > 0 ? array[index].valueAsFloat : 0f;
         }
 
         public uint[] GetSignalIDs(EGID blockID, bool input = true)
@@ -193,7 +190,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
 			EGID[] inputs = new EGID[ports.inputCount];
 			for (uint i = 0; i < ports.inputCount; i++)
 			{
-				inputs[i] = new EGID(i + ports.firstInputID, NamedExclusiveGroup<InputPortsGroup>.Group);
+				inputs[i] = new EGID(i + ports.firstInputID, NamedExclusiveGroup<BuildModeWiresGroups.InputPortsGroup>.Group);
 			}
 			return inputs;
 		}
@@ -204,70 +201,55 @@ namespace TechbloxModdingAPI.Blocks.Engines
             EGID[] outputs = new EGID[ports.outputCount];
             for (uint i = 0; i < ports.outputCount; i++)
             {
-                outputs[i] = new EGID(i + ports.firstOutputID, NamedExclusiveGroup<OutputPortsGroup>.Group);
+                outputs[i] = new EGID(i + ports.firstOutputID, NamedExclusiveGroup<BuildModeWiresGroups.OutputPortsGroup>.Group);
             }
             return outputs;
         }
-
-		public EGID MatchBlockInputToPort(Block block, byte portUsage, out bool exists)
+		
+		public OptionalRef<PortEntityStruct> MatchBlockIOToPort(Block block, byte portUsage, bool output)
 		{
-			var ports = entitiesDB.QueryEntityOptional<BlockPortsStruct>(block);
-			exists = ports;
-			return new EGID(ports.Get().firstInputID + portUsage, NamedExclusiveGroup<InputPortsGroup>.Group);
+			return MatchBlockIOToPort(block.Id, portUsage, output);
 		}
 		
-		public EGID MatchBlockInputToPort(EGID block, byte portUsage, out bool exists)
+		public OptionalRef<PortEntityStruct> MatchBlockIOToPort(EGID block, byte portUsage, bool output)
 		{
 			if (!entitiesDB.Exists<BlockPortsStruct>(block))
-			{
-				exists = false;
 				return default;
-			}
-			exists = true;
+			var group = output
+				? NamedExclusiveGroup<BuildModeWiresGroups.OutputPortsGroup>.Group
+				: NamedExclusiveGroup<BuildModeWiresGroups.InputPortsGroup>.Group;
 			BlockPortsStruct ports = entitiesDB.QueryEntity<BlockPortsStruct>(block);
-			return new EGID(ports.firstInputID + portUsage, NamedExclusiveGroup<InputPortsGroup>.Group);
-		}
-		
-		public EGID MatchBlockOutputToPort(Block block, byte portUsage, out bool exists)
-		{
-			var ports = entitiesDB.QueryEntityOptional<BlockPortsStruct>(block);
-			exists = ports;
-			return new EGID(ports.Get().firstOutputID + portUsage, NamedExclusiveGroup<OutputPortsGroup>.Group);
-		}
-		
-		public EGID MatchBlockOutputToPort(EGID block, byte portUsage, out bool exists)
-		{
-			if (!entitiesDB.Exists<BlockPortsStruct>(block))
-			{
-				exists = false;
+			if (!entitiesDB.TryQueryMappedEntities<PortEntityStruct>(group, out var mapper))
 				return default;
+			for (uint i = 0; i < (output ? ports.outputCount : ports.inputCount); ++i)
+			{
+				uint entityID = (output ? ports.firstOutputID : ports.firstInputID) + i;
+				if (!mapper.TryGetArrayAndEntityIndex(entityID, out var index, out var array) ||
+				    array[index].usage != portUsage) continue;
+				return new OptionalRef<PortEntityStruct>(array, index, new EGID(entityID, group));
 			}
-			exists = true;
-			BlockPortsStruct ports = entitiesDB.QueryEntity<BlockPortsStruct>(block);
-			return new EGID(ports.firstOutputID + portUsage, NamedExclusiveGroup<OutputPortsGroup>.Group);
+
+			return default;
 		}
 
-		public ref WireEntityStruct MatchPortToWire(EGID portID, EGID blockID, out bool exists)
+		public OptionalRef<WireEntityStruct> MatchPortToWire(PortEntityStruct port, EGID blockID, out EGID wireID)
 		{
-			ref PortEntityStruct port = ref entitiesDB.QueryEntity<PortEntityStruct>(portID);
-			var wires = entitiesDB.QueryEntities<WireEntityStruct>(NamedExclusiveGroup<WiresGroup>.Group);
-			var wiresB = wires.ToBuffer().buffer;
-			for (uint i = 0; i < wires.count; i++)
+			var (wires, ids, count) = entitiesDB.QueryEntities<WireEntityStruct>(NamedExclusiveGroup<BuildModeWiresGroups.WiresGroup>.Group);
+			for (uint i = 0; i < count; i++)
 			{
-				if ((wiresB[i].destinationPortUsage == port.usage && wiresB[i].destinationBlockEGID == blockID)
-				    || (wiresB[i].sourcePortUsage == port.usage && wiresB[i].sourceBlockEGID == blockID))
+				if ((wires[i].destinationPortUsage == port.usage && wires[i].destinationBlockEGID == blockID)
+				    || (wires[i].sourcePortUsage == port.usage && wires[i].sourceBlockEGID == blockID))
 				{
-					exists = true;
-					return ref wiresB[i];
+					wireID = new EGID(ids[i], BuildModeWiresGroups.WiresGroup.Group);
+					return new OptionalRef<WireEntityStruct>(wires, i);
 				}
 			}
-			exists = false;
-			WireEntityStruct[] defRef = new WireEntityStruct[1];
-            return ref defRef[0];
+
+			wireID = default;
+			return default;
 		}
 
-		public ref WireEntityStruct MatchBlocksToWire(EGID startBlock, EGID endBlock, out bool exists, byte startPort = byte.MaxValue,
-			byte endPort = byte.MaxValue)
+		public EGID MatchBlocksToWire(EGID startBlock, EGID endBlock, byte startPort = byte.MaxValue, byte endPort = byte.MaxValue)
 		{
 			EGID[] startPorts;
 			if (startPort == byte.MaxValue)
@@ -278,7 +260,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
 			else
 			{
 				BlockPortsStruct ports = entitiesDB.QueryEntity<BlockPortsStruct>(startBlock);
-				startPorts = new EGID[] {new EGID(ports.firstOutputID + startPort, NamedExclusiveGroup<OutputPortsGroup>.Group) };
+				startPorts = new EGID[] {new EGID(ports.firstOutputID + startPort, NamedExclusiveGroup<BuildModeWiresGroups.OutputPortsGroup>.Group) };
 			}
 
 			EGID[] endPorts;
@@ -290,59 +272,49 @@ namespace TechbloxModdingAPI.Blocks.Engines
 			else
 			{
 				BlockPortsStruct ports = entitiesDB.QueryEntity<BlockPortsStruct>(endBlock);
-				endPorts = new EGID[] {new EGID(ports.firstInputID + endPort, NamedExclusiveGroup<InputPortsGroup>.Group) };
+				endPorts = new EGID[] {new EGID(ports.firstInputID + endPort, NamedExclusiveGroup<BuildModeWiresGroups.InputPortsGroup>.Group) };
 			}
 			
-			EntityCollection<WireEntityStruct> wires = entitiesDB.QueryEntities<WireEntityStruct>(NamedExclusiveGroup<WiresGroup>.Group);
-			var wiresB = wires.ToBuffer().buffer;
 			for (int endIndex = 0; endIndex < endPorts.Length; endIndex++)
 			{
 				PortEntityStruct endPES = entitiesDB.QueryEntity<PortEntityStruct>(endPorts[endIndex]);
 				for (int startIndex = 0; startIndex < startPorts.Length; startIndex++)
 				{
 					PortEntityStruct startPES = entitiesDB.QueryEntity<PortEntityStruct>(startPorts[startIndex]);
-					for (int w = 0; w < wires.count; w++)
+					foreach (var wireOpt in entitiesDB.QueryEntitiesOptional<WireEntityStruct>(
+						         NamedExclusiveGroup<BuildModeWiresGroups.WiresGroup>.Group))
 					{
-						if ((wiresB[w].destinationPortUsage == endPES.usage && wiresB[w].destinationBlockEGID == endBlock)
-						    && (wiresB[w].sourcePortUsage == startPES.usage && wiresB[w].sourceBlockEGID == startBlock))
+						var wire = wireOpt.Get();
+						if ((wire.destinationPortUsage == endPES.usage && wire.destinationBlockEGID == endBlock)
+						    && (wire.sourcePortUsage == startPES.usage && wire.sourceBlockEGID == startBlock))
 						{
-							exists = true;
-							return ref wiresB[w];
+							return wireOpt.EGID;
 						}
 					}
 				}
 			}
-			
-			exists = false;
-			WireEntityStruct[] defRef = new WireEntityStruct[1];
-			return ref defRef[0];
+
+			return default;
 		}
 
-        public ref ChannelDataStruct GetChannelDataStruct(EGID portID, out bool exists)
-		{
-			ref PortEntityStruct port = ref entitiesDB.QueryEntity<PortEntityStruct>(portID);
-			var channels = entitiesDB.QueryEntities<ChannelDataStruct>(NamedExclusiveGroup<ChannelDataGroup>.Group);
-			var channelsB = channels.ToBuffer();
-			if (port.firstChannelIndexCachedInSim < channels.count)
-			{
-				exists = true;
-				return ref channelsB.buffer[port.firstChannelIndexCachedInSim];
-			}
-			exists = false;
-			ChannelDataStruct[] defRef = new ChannelDataStruct[1];
-			return ref defRef[0];
+        public OptionalRef<ChannelDataStruct> GetChannelDataStruct(EGID portID)
+        {
+	        var port = GetPort(portID);
+			var (channels, count) = entitiesDB.QueryEntities<ChannelDataStruct>(NamedExclusiveGroup<BuildModeWiresGroups.ChannelDataGroup>.Group);
+			return port.firstChannelIndexCachedInSim < count
+				? new OptionalRef<ChannelDataStruct>(channels, port.firstChannelIndexCachedInSim)
+				: default;
 		}
 
         public EGID[] GetElectricBlocks()
         {
 	        var res = new FasterList<EGID>();
-            foreach (var (coll, _) in entitiesDB.QueryEntities<BlockPortsStruct>())
+            foreach (var ((coll, ids, count), _) in entitiesDB.QueryEntities<BlockPortsStruct>())
             {
-	            var collB = coll.ToBuffer();
-	            for (int i = 0; i < coll.count; i++)
+	            for (int i = 0; i < count; i++)
 	            {
-		            ref BlockPortsStruct s = ref collB.buffer[i];
-		            res.Add(s.ID);
+		            ref BlockPortsStruct s = ref coll[i];
+		            //res.Add(s.ID); - TODO: Would need to search for the groups for each block
 	            }
             }
 
@@ -351,55 +323,30 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
         public EGID[] WiredToInput(EGID block, byte port)
         {
-	        WireEntityStruct[] wireEntityStructs = Search(NamedExclusiveGroup<WiresGroup>.Group,
-		        (WireEntityStruct wes) => wes.destinationPortUsage == port && wes.destinationBlockEGID == block);
-	        EGID[] result = new EGID[wireEntityStructs.Length];
-	        for (uint i = 0; i < wireEntityStructs.Length; i++)
-	        {
-		        result[i] = wireEntityStructs[i].ID;
-	        }
-
-	        return result;
+	        return entitiesDB
+		        .QueryEntitiesOptional<WireEntityStruct>(NamedExclusiveGroup<BuildModeWiresGroups.WiresGroup>.Group)
+		        .ToArray(wire => wire.ID,
+			        wire => wire.Component.destinationPortUsage == port && wire.Component.destinationBlockEGID == block);
         }
         
         public EGID[] WiredToOutput(EGID block, byte port)
         {
-	        WireEntityStruct[] wireEntityStructs = Search(NamedExclusiveGroup<WiresGroup>.Group,
-		        (WireEntityStruct wes) => wes.sourcePortUsage == port && wes.sourceBlockEGID == block);
-	        EGID[] result = new EGID[wireEntityStructs.Length];
-	        for (uint i = 0; i < wireEntityStructs.Length; i++)
-	        {
-		        result[i] = wireEntityStructs[i].ID;
-	        }
-
-	        return result;
-        }
-
-        private T[] Search<T>(ExclusiveGroup group, Func<T, bool> isMatch) where T : unmanaged, IEntityComponent
-        {
-	        FasterList<T> results = new FasterList<T>();
-	        EntityCollection<T> components = entitiesDB.QueryEntities<T>(group);
-	        var componentsB = components.ToBuffer();
-	        for (uint i = 0; i < components.count; i++)
-	        {
-		        if (isMatch(componentsB.buffer[i]))
-		        {
-			        results.Add(componentsB.buffer[i]);
-		        }
-	        }
-	        return results.ToArray();
+	        return entitiesDB
+		        .QueryEntitiesOptional<WireEntityStruct>(NamedExclusiveGroup<BuildModeWiresGroups.WiresGroup>.Group)
+		        .ToArray(wire => wire.ID,
+			        wire => wire.Component.sourcePortUsage == port && wire.Component.sourceBlockEGID == block);
         }
 
         private EntityCollection<ChannelDataStruct> GetSignalStruct(uint signalID, out uint index, bool input = true)
         {
 	        ExclusiveGroup group = input
-		        ? NamedExclusiveGroup<InputPortsGroup>.Group
-		        : NamedExclusiveGroup<OutputPortsGroup>.Group;
+		        ? NamedExclusiveGroup<BuildModeWiresGroups.InputPortsGroup>.Group
+		        : NamedExclusiveGroup<BuildModeWiresGroups.OutputPortsGroup>.Group;
 	        if (entitiesDB.Exists<PortEntityStruct>(signalID, group))
 	        {
-		        index = entitiesDB.QueryEntity<PortEntityStruct>(signalID, group).anyChannelIndex;
+		        index = entitiesDB.QueryEntity<PortEntityStruct>(signalID, group).firstChannelIndexCachedInSim;
 		        var channelData =
-			        entitiesDB.QueryEntities<ChannelDataStruct>(NamedExclusiveGroup<ChannelDataGroup>.Group);
+			        entitiesDB.QueryEntities<ChannelDataStruct>(NamedExclusiveGroup<BuildModeWiresGroups.ChannelDataGroup>.Group);
 		        return channelData;
 	        }
 

TechbloxModdingAPI/Blocks/LogicGate.cs

@@ -0,0 +1,26 @@
+namespace TechbloxModdingAPI.Blocks
+{
+    using RobocraftX.Common;
+    using Svelto.ECS;
+    
+    
+    public class LogicGate : SignalingBlock
+    {
+        
+        /// <summary>
+        /// Constructs a(n) LogicGate object representing an existing block.
+        /// </summary>
+        public LogicGate(EGID egid) : 
+                base(egid)
+        {
+        }
+        
+        /// <summary>
+        /// Constructs a(n) LogicGate object representing an existing block.
+        /// </summary>
+        public LogicGate(uint id) : 
+                base(new EGID(id, CommonExclusiveGroups.LOGIC_BLOCK_GROUP))
+        {
+        }
+    }
+}

TechbloxModdingAPI/Blocks/Motor.cs

@@ -0,0 +1,71 @@
+namespace TechbloxModdingAPI.Blocks
+{
+    using RobocraftX.Common;
+    using Svelto.ECS;
+    
+    
+    public class Motor : SignalingBlock
+    {
+        
+        /// <summary>
+        /// Constructs a(n) Motor object representing an existing block.
+        /// </summary>
+        public Motor(EGID egid) : 
+                base(egid)
+        {
+        }
+        
+        /// <summary>
+        /// Constructs a(n) Motor object representing an existing block.
+        /// </summary>
+        public Motor(uint id) : 
+                base(new EGID(id, CommonExclusiveGroups.MOTOR_BLOCK_GROUP))
+        {
+        }
+        
+        /// <summary>
+        /// Gets or sets the Motor's TopSpeed property. Tweakable stat.
+        /// </summary>
+        public float TopSpeed
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<RobocraftX.Blocks.MotorReadOnlyStruct>(this).maxVelocity;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<RobocraftX.Blocks.MotorReadOnlyStruct>(this).maxVelocity = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Motor's Torque property. Tweakable stat.
+        /// </summary>
+        public float Torque
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<RobocraftX.Blocks.MotorReadOnlyStruct>(this).maxForce;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<RobocraftX.Blocks.MotorReadOnlyStruct>(this).maxForce = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Motor's Reverse property. Tweakable stat.
+        /// </summary>
+        public bool Reverse
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<RobocraftX.Blocks.MotorReadOnlyStruct>(this).reverse;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<RobocraftX.Blocks.MotorReadOnlyStruct>(this).reverse = value;
+            }
+        }
+    }
+}

TechbloxModdingAPI/Blocks/ObjectID.cs

@@ -0,0 +1,50 @@
+using System;
+using Techblox.ObjectIDBlockServer;
+
+namespace TechbloxModdingAPI.Blocks
+{
+    using Svelto.ECS;
+    
+    
+    public class ObjectID : SignalingBlock
+    {
+        
+        /// <summary>
+        /// Constructs a(n) ObjectID object representing an existing block.
+        /// </summary>
+        public ObjectID(EGID egid) : 
+                base(egid)
+        {
+        }
+        
+        /// <summary>
+        /// Constructs a(n) ObjectID object representing an existing block.
+        /// </summary>
+        public ObjectID(uint id) : 
+                base(new EGID(id, ObjectIDBlockExclusiveGroups.OBJECT_ID_BLOCK_GROUP))
+        {
+        }
+        
+        /// <summary>
+        /// Gets or sets the ObjectID's Identifier property. Tweakable stat.
+        /// </summary>
+        public char Identifier
+        {
+            get => (char) (BlockEngine.GetBlockInfo<ObjectIDTweakableComponent>(this).objectIDToTrigger + 'A');
+            set
+            {
+                if(value is < 'A' or > 'Z')
+                    throw new ArgumentOutOfRangeException(nameof(value), "ObjectIdentifier must be set to a letter between A and Z.");
+                BlockEngine.GetBlockInfo<ObjectIDTweakableComponent>(this).objectIDToTrigger = (byte) (value - 'A');
+                Label = value + ""; //The label isn't updated automatically
+            }
+        }
+
+        /// <summary>
+        /// Finds the identifier blocks with the given ID.
+        /// </summary>
+        /// <param name="id">The ID to look for</param>
+        /// <returns>An array that may be empty</returns>
+        public static ObjectID[] GetByID(char id) => BlockEngine.GetObjectIDsFromID((byte) (id - 'A'));
+    }
+}

TechbloxModdingAPI/Blocks/Piston.cs

@@ -0,0 +1,71 @@
+namespace TechbloxModdingAPI.Blocks
+{
+    using RobocraftX.Common;
+    using Svelto.ECS;
+    
+    
+    public class Piston : SignalingBlock
+    {
+        
+        /// <summary>
+        /// Constructs a(n) Piston object representing an existing block.
+        /// </summary>
+        public Piston(EGID egid) : 
+                base(egid)
+        {
+        }
+        
+        /// <summary>
+        /// Constructs a(n) Piston object representing an existing block.
+        /// </summary>
+        public Piston(uint id) : 
+                base(new EGID(id, CommonExclusiveGroups.PISTON_BLOCK_GROUP))
+        {
+        }
+        
+        /// <summary>
+        /// Gets or sets the Piston's MaximumForce property. Tweakable stat.
+        /// </summary>
+        public float MaximumForce
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<RobocraftX.Blocks.PistonReadOnlyStruct>(this).pistonVelocity;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<RobocraftX.Blocks.PistonReadOnlyStruct>(this).pistonVelocity = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Piston's MaxExtension property. Tweakable stat.
+        /// </summary>
+        public float MaxExtension
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<RobocraftX.Blocks.PistonReadOnlyStruct>(this).maxDeviation;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<RobocraftX.Blocks.PistonReadOnlyStruct>(this).maxDeviation = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Piston's InputIsExtension property. Tweakable stat.
+        /// </summary>
+        public bool InputIsExtension
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<RobocraftX.Blocks.PistonReadOnlyStruct>(this).hasProportionalInput;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<RobocraftX.Blocks.PistonReadOnlyStruct>(this).hasProportionalInput = value;
+            }
+        }
+    }
+}

TechbloxModdingAPI/Blocks/Seat.cs

@@ -0,0 +1,56 @@
+namespace TechbloxModdingAPI.Blocks
+{
+    using RobocraftX.Common;
+    using Svelto.ECS;
+    
+    
+    public class Seat : SignalingBlock
+    {
+        
+        /// <summary>
+        /// Constructs a(n) Seat object representing an existing block.
+        /// </summary>
+        public Seat(EGID egid) : 
+                base(egid)
+        {
+        }
+        
+        /// <summary>
+        /// Constructs a(n) Seat object representing an existing block.
+        /// </summary>
+        public Seat(uint id) : 
+                base(new EGID(id, RobocraftX.PilotSeat.SeatGroups.PILOTSEAT_BLOCK_BUILD_GROUP))
+        {
+        }
+        
+        /// <summary>
+        /// Gets or sets the Seat's FollowCam property. Tweakable stat.
+        /// </summary>
+        public bool FollowCam
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<RobocraftX.PilotSeat.SeatFollowCamComponent>(this).followCam;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<RobocraftX.PilotSeat.SeatFollowCamComponent>(this).followCam = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Seat's CharacterColliderHeight property. May not be saved.
+        /// </summary>
+        public float CharacterColliderHeight
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<RobocraftX.PilotSeat.SeatReadOnlySettingsComponent>(this).characterColliderHeight;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<RobocraftX.PilotSeat.SeatReadOnlySettingsComponent>(this).characterColliderHeight = value;
+            }
+        }
+    }
+}

TechbloxModdingAPI/Blocks/Servo.cs

@@ -0,0 +1,146 @@
+namespace TechbloxModdingAPI.Blocks
+{
+    using RobocraftX.Common;
+    using Svelto.ECS;
+    
+    
+    public class Servo : SignalingBlock
+    {
+        
+        /// <summary>
+        /// Constructs a(n) Servo object representing an existing block.
+        /// </summary>
+        public Servo(EGID egid) : 
+                base(egid)
+        {
+        }
+        
+        /// <summary>
+        /// Constructs a(n) Servo object representing an existing block.
+        /// </summary>
+        public Servo(uint id) : 
+                base(new EGID(id, CommonExclusiveGroups.SERVO_BLOCK_GROUP))
+        {
+        }
+        
+        /// <summary>
+        /// Gets or sets the Servo's MaximumForce property. Tweakable stat.
+        /// </summary>
+        public float MaximumForce
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).servoVelocity;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).servoVelocity = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Servo's MinimumAngle property. Tweakable stat.
+        /// </summary>
+        public float MinimumAngle
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).minDeviation;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).minDeviation = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Servo's MaximumAngle property. Tweakable stat.
+        /// </summary>
+        public float MaximumAngle
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).maxDeviation;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).maxDeviation = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Servo's Reverse property. Tweakable stat.
+        /// </summary>
+        public bool Reverse
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).reverse;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).reverse = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Servo's InputIsAngle property. Tweakable stat.
+        /// </summary>
+        public bool InputIsAngle
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).hasProportionalInput;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).hasProportionalInput = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Servo's DirectionVector property. May not be saved.
+        /// </summary>
+        public Unity.Mathematics.float3 DirectionVector
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).directionVector;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).directionVector = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Servo's RotationAxis property. May not be saved.
+        /// </summary>
+        public Unity.Mathematics.float3 RotationAxis
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).rotationAxis;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).rotationAxis = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the Servo's ForceAxis property. May not be saved.
+        /// </summary>
+        public Unity.Mathematics.float3 ForceAxis
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).forceAxis;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.ServoBlocksServer.ServoReadOnlyTweakableComponent>(this).forceAxis = value;
+            }
+        }
+    }
+}

TechbloxModdingAPI/Blocks/SignalingBlock.cs

@@ -46,9 +46,9 @@ namespace TechbloxModdingAPI.Blocks
         /// <returns>The connected wire.</returns>
         /// <param name="portId">Port identifier.</param>
         /// <param name="connected">Whether the port has a wire connected to it.</param>
-        protected ref WireEntityStruct GetConnectedWire(EGID portId, out bool connected)
+        protected OptionalRef<WireEntityStruct> GetConnectedWire(PortEntityStruct port, out EGID egid)
 		{
-			return ref SignalEngine.MatchPortToWire(portId, Id, out connected);
+			return SignalEngine.MatchPortToWire(port, Id, out egid);
 		}
 
         /// <summary>
@@ -56,10 +56,9 @@ namespace TechbloxModdingAPI.Blocks
         /// </summary>
         /// <returns>The channel data.</returns>
         /// <param name="portId">Port identifier.</param>
-        /// <param name="exists">Whether the channel actually exists.</param>
-		protected ref ChannelDataStruct GetChannelData(EGID portId, out bool exists)
+		protected OptionalRef<ChannelDataStruct> GetChannelData(EGID portId)
 		{
-			return ref SignalEngine.GetChannelDataStruct(portId, out exists);
+			return SignalEngine.GetChannelDataStruct(portId);
 		}
 
         /// <summary>

TechbloxModdingAPI/Blocks/WheelRig.cs

@@ -0,0 +1,137 @@
+using TechbloxModdingAPI.Tests;
+
+namespace TechbloxModdingAPI.Blocks
+{
+    using RobocraftX.Common;
+    using Svelto.ECS;
+    
+    
+    public class WheelRig : SignalingBlock
+    {
+        
+        /// <summary>
+        /// Constructs a(n) WheelRig object representing an existing block.
+        /// </summary>
+        public WheelRig(EGID egid) : 
+                base(egid)
+        {
+        }
+        
+        /// <summary>
+        /// Constructs a(n) WheelRig object representing an existing block.
+        /// </summary>
+        public WheelRig(uint id) : 
+                base(new EGID(id, CommonExclusiveGroups.WHEELRIG_BLOCK_BUILD_GROUP))
+        {
+        }
+        
+        /// <summary>
+        /// Gets or sets the WheelRig's BrakingStrength property. Tweakable stat.
+        /// </summary>
+        public float BrakingStrength
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigTweakableStruct>(this).brakingStrength;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigTweakableStruct>(this).brakingStrength = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the WheelRig's FlipDirection property. Tweakable stat.
+        /// </summary>
+        public bool FlipDirection
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigTweakableStruct>(this).flipDirection;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigTweakableStruct>(this).flipDirection = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the WheelRig's MaxVelocity property. May not be saved.
+        /// </summary>
+        public float MaxVelocity
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigReadOnlyStruct>(this).maxVelocity;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigReadOnlyStruct>(this).maxVelocity = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the WheelRig's SteerAngle property. Tweakable stat.
+        /// </summary>
+        [TestValue(0f)] // Can be 0 for no steer variant
+        public float SteerAngle
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigSteerableTweakableStruct>(this).steerAngle;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigSteerableTweakableStruct>(this).steerAngle = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the WheelRig's FlipSteering property. Tweakable stat.
+        /// </summary>
+        [TestValue(false)]
+        public bool FlipSteering
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigSteerableTweakableStruct>(this).flipSteering;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigSteerableTweakableStruct>(this).flipSteering = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the WheelRig's VelocityForMinAngle property. May not be saved.
+        /// </summary>
+        [TestValue(0f)]
+        public float VelocityForMinAngle
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigSteerableReadOnlyStruct>(this).velocityForMinAngle;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigSteerableReadOnlyStruct>(this).velocityForMinAngle = value;
+            }
+        }
+        
+        /// <summary>
+        /// Gets or sets the WheelRig's MinSteerAngleFactor property. May not be saved.
+        /// </summary>
+        [TestValue(0f)]
+        public float MinSteerAngleFactor
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigSteerableReadOnlyStruct>(this).minSteerAngleFactor;
+            }
+            set
+            {
+                BlockEngine.GetBlockInfo<Techblox.WheelRigBlock.WheelRigSteerableReadOnlyStruct>(this).minSteerAngleFactor = value;
+            }
+        }
+    }
+}

TechbloxModdingAPI/Blocks/Wire.cs

@@ -5,10 +5,11 @@ using Svelto.ECS;
 using Svelto.ECS.Experimental;
 
 using TechbloxModdingAPI.Blocks.Engines;
+using TechbloxModdingAPI.Utility;
 
 namespace TechbloxModdingAPI.Blocks
 {
-    public class Wire
+    public class Wire : EcsObjectBase
     {
         internal static SignalEngine signalEngine;
 
@@ -30,8 +31,8 @@ namespace TechbloxModdingAPI.Blocks
 
         public static Wire Connect(SignalingBlock start, byte startPort, SignalingBlock end, byte endPort)
         {
-            WireEntityStruct wire = signalEngine.CreateNewWire(start.Id, startPort, end.Id, endPort);
-            return new Wire(wire, start, end);
+            var (wire, id) = signalEngine.CreateNewWire(start.Id, startPort, end.Id, endPort);
+            return new Wire(wire, start, end, id);
         }
 
         /// <summary>
@@ -43,14 +44,12 @@ namespace TechbloxModdingAPI.Blocks
         /// <returns>The wire, where the end of the wire is the block port specified, or null if does not exist.</returns>
         public static Wire ConnectedToInputPort(SignalingBlock end, byte endPort)
         {
-            EGID port = signalEngine.MatchBlockInputToPort(end, endPort, out bool exists);
-            if (!exists) return null;
-            WireEntityStruct wire = signalEngine.MatchPortToWire(port, end.Id, out exists);
-            if (exists)
-            {
-                return new Wire(Block.New(wire.sourceBlockEGID), end, wire.sourcePortUsage, endPort);
-            }
-            return null;
+            var port = signalEngine.MatchBlockIOToPort(end, endPort, false);
+            if (!port) return null;
+            var wire = signalEngine.MatchPortToWire(port, end.Id, out var egid);
+            return wire
+                ? new Wire(wire.Get().sourceBlockEGID, end.Id, wire.Get().sourcePortUsage, endPort, egid, false)
+                : null;
         }
 
         /// <summary>
@@ -62,63 +61,51 @@ namespace TechbloxModdingAPI.Blocks
         /// <returns>The wire, where the start of the wire is the block port specified, or null if does not exist.</returns>
         public static Wire ConnectedToOutputPort(SignalingBlock start, byte startPort)
         {
-            EGID port = signalEngine.MatchBlockOutputToPort(start, startPort, out bool exists);
-            if (!exists) return null;
-            WireEntityStruct wire = signalEngine.MatchPortToWire(port, start.Id, out exists);
-            if (exists)
-            {
-                return new Wire(start, Block.New(wire.destinationBlockEGID), startPort, wire.destinationPortUsage);
-            }
-            return null;
+            var port = signalEngine.MatchBlockIOToPort(start, startPort, true);
+            if (!port) return null;
+            var wire = signalEngine.MatchPortToWire(port, start.Id, out var egid);
+            return wire
+                ? new Wire(start.Id, wire.Get().destinationBlockEGID, startPort, wire.Get().destinationPortUsage, egid, false)
+                : null;
         }
 
         /// <summary>
-        /// Construct a wire object from an existing connection.
+        /// Construct a wire object froam n existing connection.
         /// </summary>
         /// <param name="start">Starting block ID.</param>
         /// <param name="end">Ending block ID.</param>
         /// <param name="startPort">Starting port number, or guess if omitted.</param>
         /// <param name="endPort">Ending port number, or guess if omitted.</param>
         /// <exception cref="WireInvalidException">Guessing failed or wire does not exist.</exception>
-        public Wire(Block start, Block end, byte startPort = Byte.MaxValue, byte endPort = Byte.MaxValue)
+        public Wire(Block start, Block end, byte startPort = Byte.MaxValue, byte endPort = Byte.MaxValue) : base(ecs =>
         {
-            startBlockEGID = start.Id;
-            endBlockEGID = end.Id;
+            var th = (Wire)ecs;
+            th.startBlockEGID = start.Id;
+            th.endBlockEGID = end.Id;
+            bool flipped = false;
             // find block ports
-            WireEntityStruct wire = signalEngine.MatchBlocksToWire(start.Id, end.Id, out bool exists, startPort, endPort);
-            if (exists)
+            EGID wire = signalEngine.MatchBlocksToWire(start.Id, end.Id, startPort, endPort);
+            if (wire == default)
             {
-                wireEGID = wire.ID;
-                endPortEGID = signalEngine.MatchBlockInputToPort(end, wire.destinationPortUsage, out exists);
-                if (!exists) throw new WireInvalidException("Wire end port not found");
-                startPortEGID = signalEngine.MatchBlockOutputToPort(start, wire.sourcePortUsage, out exists);
-                if (!exists) throw new WireInvalidException("Wire start port not found");
-                inputToOutput = false;
-                endPort = wire.destinationPortUsage;
-                startPort = wire.sourcePortUsage;
+                // flip I/O around and try again
+                wire = signalEngine.MatchBlocksToWire(end.Id, start.Id, endPort, startPort);
+                flipped = true;
+                // NB: start and end are handled exactly as they're received as params.
+                // This makes wire traversal easier, but makes logic in this class a bit more complex
+            }
+
+            if (wire != default)
+            {
+                th.Construct(start.Id, end.Id, startPort, endPort, wire, flipped);
             }
             else
             {
-                // flip I/O around and try again
-                wire = signalEngine.MatchBlocksToWire(end.Id, start.Id, out exists, endPort, startPort);
-                if (exists)
-                {
-                    wireEGID = wire.ID;
-                    endPortEGID = signalEngine.MatchBlockOutputToPort(end, wire.sourcePortUsage, out exists);
-                    if (!exists) throw new WireInvalidException("Wire end port not found");
-                    startPortEGID = signalEngine.MatchBlockInputToPort(start, wire.destinationPortUsage, out exists);
-                    if (!exists) throw new WireInvalidException("Wire start port not found");
-                    inputToOutput = true; // end is actually the source
-                    // NB: start and end are handled exactly as they're received as params.
-                    // This makes wire traversal easier, but makes logic in this class a bit more complex
-                    endPort = wire.sourcePortUsage;
-                    startPort = wire.destinationPortUsage;
-                }
-                else
-                {
-                    throw new WireInvalidException("Wire not found");
-                }
+                throw new WireInvalidException("Wire not found");
             }
+
+            return th.wireEGID;
+        })
+        {
         }
 
         /// <summary>
@@ -131,25 +118,25 @@ namespace TechbloxModdingAPI.Blocks
         /// <param name="wire">The wire ID.</param>
         /// <param name="inputToOutput">Whether the wire direction goes input -> output (true) or output -> input (false, preferred).</param>
         public Wire(Block start, Block end, byte startPort, byte endPort, EGID wire, bool inputToOutput)
+            : this(start.Id, end.Id, startPort, endPort, wire, inputToOutput)
         {
-            this.startBlockEGID = start.Id;
-            this.endBlockEGID = end.Id;
+        }
+
+        private Wire(EGID startBlock, EGID endBlock, byte startPort, byte endPort, EGID wire, bool inputToOutput) : base(wire)
+        {
+            Construct(startBlock, endBlock, startPort, endPort, wire, inputToOutput);
+        }
+
+        private void Construct(EGID startBlock, EGID endBlock, byte startPort, byte endPort, EGID wire, bool inputToOutput)
+        {
+            this.startBlockEGID = startBlock;
+            this.endBlockEGID = endBlock;
             this.inputToOutput = inputToOutput;
             this.wireEGID = wire;
-            if (inputToOutput)
-            {
-                endPortEGID = signalEngine.MatchBlockOutputToPort(start, startPort, out bool exists); 
-                if (!exists) throw new WireInvalidException("Wire end port not found");
-                startPortEGID = signalEngine.MatchBlockInputToPort(end, endPort, out exists);
-                if (!exists) throw new WireInvalidException("Wire start port not found");
-            }
-            else
-            {
-                endPortEGID = signalEngine.MatchBlockInputToPort(end, endPort, out bool exists);
-                if (!exists) throw new WireInvalidException("Wire end port not found");
-                startPortEGID = signalEngine.MatchBlockOutputToPort(start, startPort, out exists);
-                if (!exists) throw new WireInvalidException("Wire start port not found");
-            }
+            endPortEGID = signalEngine.MatchBlockIOToPort(startBlock, startPort, inputToOutput).EGID; 
+            if (endPortEGID == default) throw new WireInvalidException("Wire end port not found");
+            startPortEGID = signalEngine.MatchBlockIOToPort(endBlock, endPort, !inputToOutput).EGID;
+            if (startPortEGID == default) throw new WireInvalidException("Wire start port not found");
             this.startPort = startPort;
             this.endPort = endPort;
         }
@@ -158,41 +145,16 @@ namespace TechbloxModdingAPI.Blocks
         /// Construct a wire object from an existing wire connection.
         /// </summary>
         /// <param name="wireEgid">The wire ID.</param>
-        public Wire(EGID wireEgid)
+        public Wire(EGID wireEgid) : base(wireEgid)
         {
-            this.wireEGID = wireEgid;
             WireEntityStruct wire = signalEngine.GetWire(wireEGID);
-            this.startBlockEGID = wire.sourceBlockEGID;
-            this.endBlockEGID = wire.destinationBlockEGID;
-            this.inputToOutput = false;
-            endPortEGID = signalEngine.MatchBlockInputToPort(wire.destinationBlockEGID, wire.destinationPortUsage, out bool exists);
-            if (!exists) throw new WireInvalidException("Wire end port not found");
-            startPortEGID = signalEngine.MatchBlockOutputToPort(wire.sourceBlockEGID, wire.sourcePortUsage, out exists);
-            if (!exists) throw new WireInvalidException("Wire start port not found");
-            this.endPort = wire.destinationPortUsage;
-            this.startPort = wire.sourcePortUsage;
+            Construct(wire.sourceBlockEGID, wire.destinationBlockEGID, wire.sourcePortUsage, wire.destinationPortUsage,
+                wireEgid, false);
         }
 
-        internal Wire(WireEntityStruct wire, SignalingBlock src, SignalingBlock dest)
+        private Wire(WireEntityStruct wire, SignalingBlock src, SignalingBlock dest, EGID wireEgid)
+            : this(src, dest, wire.sourcePortUsage, wire.destinationPortUsage, wireEgid, false)
         {
-            this.wireEGID = wire.ID;
-            this.startBlockEGID = wire.sourceBlockEGID;
-            this.endBlockEGID = wire.destinationBlockEGID;
-            inputToOutput = false;
-            endPortEGID = signalEngine.MatchBlockInputToPort(dest, wire.destinationPortUsage, out bool exists);
-            if (!exists) throw new WireInvalidException("Wire end port not found");
-            startPortEGID = signalEngine.MatchBlockOutputToPort(src, wire.sourcePortUsage, out exists);
-            if (!exists) throw new WireInvalidException("Wire start port not found");
-            this.endPort = wire.destinationPortUsage;
-            this.startPort = wire.sourcePortUsage;
-        }
-
-        /// <summary>
-        /// The wire's in-game id.
-        /// </summary>
-        public EGID Id
-        {
-            get => wireEGID;
         }
 
         /// <summary>
@@ -202,16 +164,12 @@ namespace TechbloxModdingAPI.Blocks
         {
             get
             {
-                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
-                if (!exists) return 0f;
-                return cds.valueAsFloat;
+                return signalEngine.GetChannelDataStruct(startPortEGID).Get().valueAsFloat;
             }
 
             set
             {
-                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
-                if (!exists) return;
-                cds.valueAsFloat = value;
+                signalEngine.GetChannelDataStruct(startPortEGID).Get().valueAsFloat = value;
             }
         }
 
@@ -222,16 +180,12 @@ namespace TechbloxModdingAPI.Blocks
         {
             get
             {
-                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
-                if (!exists) return "";
-                return cds.valueAsEcsString;
+                return signalEngine.GetChannelDataStruct(startPortEGID).Get().valueAsEcsString;
             }
 
             set
             {
-                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
-                if (!exists) return;
-                cds.valueAsEcsString.Set(value);
+                signalEngine.GetChannelDataStruct(startPortEGID).Get().valueAsEcsString.Set(value);
             }
         }
         
@@ -242,16 +196,12 @@ namespace TechbloxModdingAPI.Blocks
         {
             get
             {
-                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
-                if (!exists) return default;
-                return cds.valueAsEcsString;
+                return signalEngine.GetChannelDataStruct(startPortEGID).Get().valueAsEcsString;
             }
 
             set
             {
-                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
-                if (!exists) return;
-                cds.valueAsEcsString = value;
+                signalEngine.GetChannelDataStruct(startPortEGID).Get().valueAsEcsString = value;
             }
         }
 
@@ -263,16 +213,12 @@ namespace TechbloxModdingAPI.Blocks
         {
             get
             {
-                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
-                if (!exists) return uint.MaxValue;
-                return cds.valueAsID;
+                return signalEngine.GetChannelDataStruct(startPortEGID).Get().valueAsID;
             }
-            
+
             set
             {
-                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
-                if (!exists) return;
-                cds.valueAsID = value;
+                signalEngine.GetChannelDataStruct(startPortEGID).Get().valueAsID = value;
             }
         }
 
@@ -281,7 +227,7 @@ namespace TechbloxModdingAPI.Blocks
         /// </summary>
         public SignalingBlock Start
         {
-            get => new SignalingBlock(startBlockEGID);
+            get => (SignalingBlock)Block.New(startBlockEGID);
         }
 
         /// <summary>
@@ -291,13 +237,21 @@ namespace TechbloxModdingAPI.Blocks
         {
             get => startPort;
         }
+
+        /// <summary>
+        /// The display name of the start port.
+        /// </summary>
+        public string StartPortName
+        {
+            get => signalEngine.GetPort(startPortEGID).portNameLocalised;
+        }
         
         /// <summary>
         /// The block at the end of the wire.
         /// </summary>
         public SignalingBlock End
         {
-            get => new SignalingBlock(endBlockEGID);
+            get => (SignalingBlock)Block.New(endBlockEGID);
         }
         
         /// <summary>
@@ -308,6 +262,14 @@ namespace TechbloxModdingAPI.Blocks
             get => endPort;
         }
 
+        /// <summary>
+        /// The display name of the end port.
+        /// </summary>
+        public string EndPortName
+        {
+            get => signalEngine.GetPort(endPortEGID).portNameLocalised;
+        }
+
         /// <summary>
         /// Create a copy of the wire object where the direction of the wire is guaranteed to be from a block output to a block input.
         /// This is simply a different memory configuration and does not affect the in-game wire (which is always output -> input).
@@ -315,7 +277,7 @@ namespace TechbloxModdingAPI.Blocks
         /// <returns>A copy of the wire object.</returns>
         public Wire OutputToInputCopy()
         {
-            return new Wire(wireEGID);
+            return GetInstance(wireEGID, egid => new Wire(egid));
         }
         
         /// <summary>
@@ -329,15 +291,11 @@ namespace TechbloxModdingAPI.Blocks
             {
                 inputToOutput = false;
                 // swap inputs and outputs
-                EGID temp = endBlockEGID;
-                endBlockEGID = startBlockEGID;
-                startBlockEGID = temp;
-                temp = endPortEGID;
+                (endBlockEGID, startBlockEGID) = (startBlockEGID, endBlockEGID);
+                var tempPort = endPortEGID;
                 endPortEGID = startPortEGID;
-                startPortEGID = temp;
-                byte tempPortNumber = endPort;
-                endPort = startPort;
-                startPort = tempPortNumber;
+                startPortEGID = tempPort;
+                (endPort, startPort) = (startPort, endPort);
             }
         }
 
@@ -345,7 +303,7 @@ namespace TechbloxModdingAPI.Blocks
         {
             if (signalEngine.Exists<WireEntityStruct>(wireEGID))
             {
-                return $"{nameof(Id)}: {Id}, Start{nameof(Start.Id)}: {Start.Id}, End{nameof(End.Id)}: {End.Id}, ({Start.Type}::{StartPort} aka {Start.PortName(StartPort, inputToOutput)}) -> ({End.Type}::{EndPort} aka {End.PortName(EndPort, !inputToOutput)})";
+                return $"{nameof(Id)}: {Id}, Start{nameof(Start.Id)}: {Start.Id}, End{nameof(End.Id)}: {End.Id}, ({Start.Type}::{StartPort} aka {(StartPort != byte.MaxValue ? Start.PortName(StartPort, inputToOutput) : "")}) -> ({End.Type}::{EndPort} aka {(EndPort != byte.MaxValue ? End.PortName(EndPort, !inputToOutput) : "")})";
             }
             return $"{nameof(Id)}: {Id}, Start{nameof(Start.Id)}: {Start.Id}, End{nameof(End.Id)}: {End.Id}, ({Start.Type}::{StartPort} -> {End.Type}::{EndPort})";
         }

TechbloxModdingAPI/Blueprint.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using Unity.Mathematics;
 using UnityEngine;
 

TechbloxModdingAPI/Cluster.cs

@@ -1,6 +1,5 @@
-using Gamecraft.Damage;
-using RobocraftX.Common;
-using Svelto.ECS;
+using Svelto.ECS;
+using Techblox.TimeRunning.Clusters;
 
 namespace TechbloxModdingAPI
 {
@@ -10,35 +9,37 @@ namespace TechbloxModdingAPI
     /// </summary>
     public class Cluster : EcsObjectBase
     {
-        public override EGID Id { get; }
-
-        public Cluster(EGID id)
-        {
-            Id = id;
-        }
-
-        public Cluster(uint id) : this(new EGID(id, CommonExclusiveGroups.SIMULATION_CLUSTERS_GROUP))
+        public Cluster(EGID id) : base(id)
         {
         }
 
-        public float InitialHealth
+        public Cluster(uint id) : this(new EGID(id, ClustersExclusiveGroups.SIMULATION_CLUSTERS_GROUP))
         {
-            get => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(this).initialHealth;
-            set => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(this).initialHealth = value;
+        }
+
+        public float InitialHealth //TODO
+        {
+            get => 0f;
+            set { }
         }
 
         public float CurrentHealth
         {
-            get => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(this).currentHealth;
-            set => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(this).currentHealth = value;
+            get => 0f;
+            set { }
         }
 
         public float HealthMultiplier
         {
-            get => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(this).healthMultiplier;
-            set => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(this).healthMultiplier = value;
+            get => 0f;
+            set { }
         }
 
+        /// <summary>
+        /// The mass of the cluster.
+        /// </summary>
+        public float Mass => Block.BlockEngine.GetBlockInfo<ClusterMassComponent>(this).mass;
+
         /// <summary>
         /// Returns the simulation-time rigid bodies for the chunks in this cluster.
         /// </summary>

TechbloxModdingAPI/Commands/CommandPatch.cs

@@ -1,107 +0,0 @@
-using System;
-using System.Reflection;
-
-using HarmonyLib;
-using Svelto.ECS;
-using RobocraftX.CR.MainGame;
-using RobocraftX.Multiplayer;
-using RobocraftX.StateSync;
-using TechbloxModdingAPI.Utility;
-
-namespace TechbloxModdingAPI.Commands
-{
-    /// <summary>
-    /// Patch of RobocraftX.CR.MainGame.MainGameCompositionRoot.DeterministicCompose<T>()
-    /// Initializes existing and custom commands
-    /// </summary>
-    [HarmonyPatch]
-    static class CommandPatch
-    {
-        public static void Postfix(Action reloadGame, MultiplayerInitParameters multiplayerParameters,
-            StateSyncRegistrationHelper stateSyncReg)
-        {
-            /*CommandLineCompositionRoot.Compose(contextHolder, stateSyncReg.enginesRoot, reloadGame, multiplayerParameters,
-                stateSyncReg); - uREPL C# compilation not supported anymore */
-            var enginesRoot = stateSyncReg.enginesRoot;
-            var entityFunctions = enginesRoot.GenerateEntityFunctions();
-            var entityFactory = enginesRoot.GenerateEntityFactory();
-            var entitySerializer = enginesRoot.GenerateEntitySerializer();
-            Logging.MetaDebugLog("Adding existing command engines");
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ExecuteSetGravityCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ExecuteSetPhysicsPrecisionCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ExecuteSetPhysicsFrequencyCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName(
-                    "RobocraftX.GUI.CommandLine.ExecuteClearAllPartsCommandEngine"),
-                entityFunctions));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ExecuteHelpCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName(
-                    "RobocraftX.GUI.CommandLine.ExecuteSetLinearRestingThresholdCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName(
-                    "RobocraftX.GUI.CommandLine.ExecuteSetAngularRestingThresholdCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ExecuteEnableVisualProfilerCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ExecuteSetNetworkJitterFramesEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ExecuteSetSendConnectedEntitiesCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ExecuteSetMaxSimFramesEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.SetDebugDisplayExtraInfoCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.SetNetSyncBandwidthLimitCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ThrowExceptionCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.SetPriorityCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.TeleportCharacterCommandEngine"),
-                entityFactory));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ChangeTextBlockTextCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.SetCharacterRunSpeedCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.SetCameraZoomDistanceCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.EditLightingSettingsCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.EditSkySettingsCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.EditFogSettingsCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.TeleportCharacterImplementationEngine"),
-                entityFunctions));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ExecuteConnectToServerCommandEngine"),
-                entityFunctions, entitySerializer, reloadGame, multiplayerParameters));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.SetInputBroadcastCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ExecuteSetJointInertiaTensorCommandEngine")));
-            enginesRoot.AddEngine(
-                (IEngine) Activator.CreateInstance(
-                    AccessTools.TypeByName("RobocraftX.GUI.CommandLine.ChangeTeamCommandEngine")));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.DamageCharacterCommandEngine"), entityFactory));
-            enginesRoot.AddEngine((IEngine) Activator.CreateInstance(
-                AccessTools.TypeByName("RobocraftX.GUI.CommandLine.DisableCharacterDamageCommandEngine")));
-            Logging.MetaDebugLog("Existing command engines added");
-            
-            CommandManager.RegisterEngines(enginesRoot);
-        }
-
-        public static MethodInfo TargetMethod()
-        {
-            return AccessTools.Method(typeof(MainGameCompositionRoot), "DeterministicCompose")
-                .MakeGenericMethod(typeof(object));
-        }
-    }
-}

TechbloxModdingAPI/Commands/CommandRegistrationHelper.cs

@@ -4,9 +4,6 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-using uREPL;
-using RobocraftX.CommandLine.Custom;
-
 namespace TechbloxModdingAPI.Commands
 {
     /// <summary>
@@ -17,9 +14,7 @@ namespace TechbloxModdingAPI.Commands
     {
         public static void Register(string name, Action action, string desc, bool noConsole = false)
         {
-            RuntimeCommands.Register(name, action, desc);
-            if (noConsole) { return; }
-            ConsoleCommands.Register(name, action, desc);
+            CustomCommands.Register(name, action, desc);
         }
 
         public static void Register(string name, Action<object> action, string desc, bool noConsole = false)
@@ -39,50 +34,42 @@ namespace TechbloxModdingAPI.Commands
 
         public static void Register<Param0>(string name, Action<Param0> action, string desc, bool noConsole = false)
         {
-            RuntimeCommands.Register<Param0>(name, action, desc);
-            if (noConsole) { return; }
-            ConsoleCommands.Register<Param0>(name, action, desc);
+            CustomCommands.Register(name, action, desc);
         }
 
         public static void Register<Param0, Param1>(string name, Action<Param0, Param1> action, string desc, bool noConsole = false)
         {
-            RuntimeCommands.Register<Param0, Param1>(name, action, desc);
-            if (noConsole) { return; }
-            ConsoleCommands.Register<Param0, Param1>(name, action, desc);
+            CustomCommands.Register(name, action, desc);
         }
 
         public static void Register<Param0, Param1, Param2>(string name, Action<Param0, Param1, Param2> action, string desc, bool noConsole = false)
         {
-            RuntimeCommands.Register<Param0, Param1, Param2>(name, action, desc);
-            if (noConsole) { return; }
-            ConsoleCommands.Register<Param0, Param1, Param2>(name, action, desc);
+            CustomCommands.Register(name, action, desc);
         }
 
         public static void Unregister(string name, bool noConsole = false)
         {
-            RuntimeCommands.Unregister(name);
-            if (noConsole) { return; }
-            ConsoleCommands.Unregister(name);
+            CustomCommands.Unregister(name);
         }
 
         public static void Call(string name)
         {
-            RuntimeCommands.Call(name);
+            CustomCommands.Call(name);
         }
 
         public static void Call<Param0>(string name, Param0 param0)
         {
-            RuntimeCommands.Call<Param0>(name, param0);
+            CustomCommands.Call(name, param0);
         }
 
         public static void Call<Param0, Param1>(string name, Param0 param0, Param1 param1)
         {
-            RuntimeCommands.Call<Param0, Param1>(name, param0, param1);
+            CustomCommands.Call(name, param0, param1);
         }
 
         public static void Call<Param0, Param1, Param2>(string name, Param0 param0, Param1 param1, Param2 param2)
         {
-            RuntimeCommands.Call<Param0, Param1, Param2>(name, param0, param1, param2);
+            CustomCommands.Call(name, param0, param1, param2);
         }
     }
 }

TechbloxModdingAPI/Commands/CustomCommands.cs

@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Runtime.InteropServices;
+
+namespace TechbloxModdingAPI.Commands
+{
+    internal static class CustomCommands
+    {
+        public struct CommandData
+        {
+            public string Name;
+            public string Description;
+            public Delegate Action;
+        }
+
+        private static Dictionary<string, CommandData> _commands = new Dictionary<string, CommandData>();
+        public static void Register(string name, Delegate action, string desc)
+        {
+            _commands.Add(name, new CommandData
+            {
+                Name = name,
+                Description = desc,
+                Action = action
+            });
+        }
+
+        public static void Call(string name, params object[] args)
+        {
+            if (_commands.TryGetValue(name, out var command))
+            {
+                var paramz = command.Action.Method.GetParameters();
+                if (paramz.Length > args.Length)
+                    throw new CommandParameterMissingException(
+                        $"This command requires {paramz.Length} arguments, {args.Length} given");
+                for (var index = 0; index < paramz.Length; index++)
+                {
+                    args[index] = Convert.ChangeType(args[index], paramz[index].ParameterType);
+                }
+
+                command.Action.DynamicInvoke(args);
+            }
+            else
+                throw new CommandNotFoundException($"Command {name} does not exist!");
+        }
+
+        public static void Unregister(string name)
+        {
+            _commands.Remove(name);
+        }
+
+        public static bool Exists(string name) => _commands.ContainsKey(name);
+
+        public static ReadOnlyDictionary<string, CommandData> GetAllCommandData() =>
+            new ReadOnlyDictionary<string, CommandData>(_commands);
+    }
+}

TechbloxModdingAPI/Commands/ExistingCommands.cs

@@ -1,39 +1,37 @@
 using System.Linq;
 
-using uREPL;
-
 namespace TechbloxModdingAPI.Commands
 {
     public static class ExistingCommands
     {
         public static void Call(string commandName)
 		{
-			RuntimeCommands.Call(commandName);
+			CustomCommands.Call(commandName);
 		}
 
 		public static void Call<Arg0>(string commandName, Arg0 arg0)
         {
-			RuntimeCommands.Call<Arg0>(commandName, arg0);
+			CustomCommands.Call(commandName, arg0);
         }
 
 		public static void Call<Arg0, Arg1>(string commandName, Arg0 arg0, Arg1 arg1)
         {
-			RuntimeCommands.Call<Arg0, Arg1>(commandName, arg0, arg1);
+			CustomCommands.Call(commandName, arg0, arg1);
         }
 
 		public static void Call<Arg0, Arg1, Arg2>(string commandName, Arg0 arg0, Arg1 arg1, Arg2 arg2)
         {
-			RuntimeCommands.Call<Arg0, Arg1, Arg2>(commandName, arg0, arg1, arg2);
+			CustomCommands.Call(commandName, arg0, arg1, arg2);
         }
 
         public static bool Exists(string commandName)
         {
-			return RuntimeCommands.HasRegistered(commandName);
+			return CustomCommands.Exists(commandName);
 		}
 
         public static (string Name, string Description)[] GetCommandNamesAndDescriptions()
         {
-	        return RuntimeCommands.table.Values.Select(command => (command.name, command.description)).ToArray();
+	        return CustomCommands.GetAllCommandData().Values.Select(command => (command.Name, command.Description)).ToArray();
         }
     }
 }

TechbloxModdingAPI/EcsObjectBase.cs

@@ -1,18 +1,81 @@
 using System;
+using System.Collections.Generic;
 using System.Linq.Expressions;
 using Svelto.DataStructures;
 using Svelto.ECS;
 using Svelto.ECS.Internal;
-using TechbloxModdingAPI.Blocks;
+using TechbloxModdingAPI.Utility;
 
 namespace TechbloxModdingAPI
 {
     public abstract class EcsObjectBase
     {
-        public abstract EGID Id { get; } //Abstract to support the 'place' Block constructor
+        public EGID Id { get; }
         
+        private static readonly Dictionary<Type, WeakDictionary<EGID, EcsObjectBase>> _instances =
+            new Dictionary<Type, WeakDictionary<EGID, EcsObjectBase>>();
+
+        private static readonly WeakDictionary<EGID, EcsObjectBase> _noInstance =
+            new WeakDictionary<EGID, EcsObjectBase>();
+
+        internal static WeakDictionary<EGID, EcsObjectBase> GetInstances(Type type)
+        {
+            return _instances.TryGetValue(type, out var dict) ? dict : null;
+        }
+
+        /// <summary>
+        /// Returns a cached instance if there's an actively used instance of the object already.
+        /// Objects still get garbage collected and then they will be removed from the cache.
+        /// </summary>
+        /// <param name="egid">The EGID of the entity</param>
+        /// <param name="constructor">The constructor to construct the object</param>
+        /// <typeparam name="T">The object type</typeparam>
+        /// <returns></returns>
+        internal static T GetInstance<T>(EGID egid, Func<EGID, T> constructor, Type type = null) where T : EcsObjectBase
+        {
+            var instances = GetInstances(type ?? typeof(T));
+            if (instances == null || !instances.TryGetValue(egid, out var instance))
+                return constructor(egid); // It will be added by the constructor
+            return (T)instance;
+        }
+
+        protected EcsObjectBase(EGID id)
+        {
+            if (!_instances.TryGetValue(GetType(), out var dict))
+            {
+                dict = new WeakDictionary<EGID, EcsObjectBase>();
+                _instances.Add(GetType(), dict);
+            }
+            if (!dict.ContainsKey(id)) // Multiple instances may be created
+                dict.Add(id, this);
+            Id = id;
+        }
+
+        protected EcsObjectBase(Func<EcsObjectBase, EGID> initializer)
+        {
+            if (!_instances.TryGetValue(GetType(), out var dict))
+            {
+                dict = new WeakDictionary<EGID, EcsObjectBase>();
+                _instances.Add(GetType(), dict);
+            }
+
+            var id = initializer(this);
+            if (!dict.ContainsKey(id)) // Multiple instances may be created
+                dict.Add(id, this);
+            else
+            {
+                Logging.MetaDebugLog($"An object of this type and ID is already stored: {GetType()} - {id}");
+                Logging.MetaDebugLog(this);
+                Logging.MetaDebugLog(dict[id]);
+            }
+
+            Id = id;
+        }
+
+        #region ECS initializer stuff
+
         protected internal EcsInitData InitData;
-        
+
         /// <summary>
         /// Holds information needed to construct a component initializer
         /// </summary>
@@ -22,7 +85,7 @@ namespace TechbloxModdingAPI
             private EntityReference reference;
 
             public static implicit operator EcsInitData(EntityInitializer initializer) => new EcsInitData
-                {group = GetInitGroup(initializer), reference = initializer.reference};
+                { group = GetInitGroup(initializer), reference = initializer.reference };
 
             public EntityInitializer Initializer(EGID id) => new EntityInitializer(id, group, reference);
             public bool Valid => group != null;
@@ -56,8 +119,10 @@ namespace TechbloxModdingAPI
                 returnExpr = Expression.ConvertChecked(memberExpr, invokeMethod.ReturnType);
 
             var lambda =
-                Expression.Lambda<TDelegate>(returnExpr, $"Access{paramType.Name}_{memberName}", new[] {objParam});
+                Expression.Lambda<TDelegate>(returnExpr, $"Access{paramType.Name}_{memberName}", new[] { objParam });
             return lambda.Compile();
         }
+
+        #endregion
     }
 }

TechbloxModdingAPI/Engines/EnginePatches.cs

@@ -5,25 +5,68 @@ using RobocraftX.CR.MainGame;
 using RobocraftX.FrontEnd;
 using RobocraftX.StateSync;
 using Svelto.ECS;
+using Svelto.ECS.Schedulers;
+using TechbloxModdingAPI.Commands;
 using TechbloxModdingAPI.Utility;
 
 namespace TechbloxModdingAPI.Engines
 {
 	[HarmonyPatch]
-	class GameLoadedEnginePatch
+	static class GameLoadedTimeStoppedEnginePatch
 	{
 		public static void Postfix(StateSyncRegistrationHelper stateSyncReg)
 		{
 			// register all game engines, including deterministic
 			GameEngineManager.RegisterEngines(stateSyncReg);
+			// register command engines
+			/*CommandLineCompositionRoot.Compose(contextHolder, stateSyncReg.enginesRoot, reloadGame, multiplayerParameters,
+			    stateSyncReg); - uREPL C# compilation not supported anymore */
+			CommandManager.RegisterEngines(stateSyncReg.enginesRoot);
 		}
 
 		public static MethodBase TargetMethod()
 		{
-			return AccessTools.Method(typeof(MainGameCompositionRoot), "DeterministicCompose").MakeGenericMethod(typeof(object));
+			return AccessTools.Method(typeof(MainGameCompositionRoot), "DeterministicTimeStoppedCompose").MakeGenericMethod(typeof(object));
 		}
 	}
 	
+	[HarmonyPatch]
+	static class GameLoadedTimeRunningEnginePatch
+	{
+		public static void Postfix(StateSyncRegistrationHelper stateSyncReg)
+		{
+			GameEngineManager.RegisterEngines(stateSyncReg);
+			CommandManager.RegisterEngines(stateSyncReg.enginesRoot);
+		}
+
+		public static MethodBase TargetMethod()
+		{
+			return AccessTools.Method(typeof(MainGameCompositionRoot), "DeterministicTimeRunningCompose").MakeGenericMethod(typeof(object));
+		}
+	}
+
+	[HarmonyPatch]
+	static class GameReloadedPatch
+	{
+		internal static bool IsReload;
+		public static void Prefix() => IsReload = true;
+		public static MethodBase TargetMethod() => AccessTools.Method(typeof(FullGameCompositionRoot), "ReloadGame");
+	}
+
+	[HarmonyPatch]
+	static class GameSwitchedToPatch
+	{
+		public static void Prefix() => GameReloadedPatch.IsReload = false;
+		public static MethodBase TargetMethod() => AccessTools.Method(typeof(FullGameCompositionRoot), "SwitchToGame");
+	}
+
+	[HarmonyPatch]
+	static class MenuSwitchedToPatch
+	{
+		public static void Prefix() => GameReloadedPatch.IsReload = false;
+		public static MethodBase TargetMethod() => AccessTools.Method(typeof(FullGameCompositionRoot), "SwitchToMenu");
+	}
+	
 	[HarmonyPatch]
 	class MenuLoadedEnginePatch
 	{

TechbloxModdingAPI/Engines/IFunEngine.cs

@@ -0,0 +1,9 @@
+using Svelto.ECS;
+
+namespace TechbloxModdingAPI.Engines
+{
+    public interface IFunEngine : IApiEngine
+    {
+        public IEntityFunctions Functions { set; }
+    }
+}

TechbloxModdingAPI/Engines/IReactionaryEngine.cs

@@ -14,7 +14,7 @@ namespace TechbloxModdingAPI.Engines
     /// <summary>
     /// Engine interface to handle ModEventEntityStruct events emitted by IEventEmitterEngines.
     /// </summary>
-	public interface IReactionaryEngine<T> : IApiEngine, IReactOnAddAndRemove<T>, IReactOnAddAndRemove where T : unmanaged, IEntityComponent
+	public interface IReactionaryEngine<T> : IApiEngine, IReactOnAddAndRemove<T> where T : unmanaged, IEntityComponent
     {
     }
 }

TechbloxModdingAPI/Input/FakeInput.cs

@@ -1,15 +1,13 @@
-using System;
+using RobocraftX.Common.Input;
 
-using RobocraftX.Common;
-using RobocraftX.Common.Input;
-using Svelto.ECS;
+using TechbloxModdingAPI.App;
 using TechbloxModdingAPI.Utility;
 
 namespace TechbloxModdingAPI.Input
 {
     public static class FakeInput
     {
-		private static readonly FakeInputEngine inputEngine = new FakeInputEngine();
+		internal static readonly FakeInputEngine inputEngine = new FakeInputEngine();
 
 		/// <summary>
 		/// Customize the local input.
@@ -103,39 +101,39 @@ namespace TechbloxModdingAPI.Input
 		}
 
 		public static void ActionInput(uint playerID = uint.MaxValue, bool toggleMode = false, bool forward = false, bool backward = false, bool up = false, bool down = false, bool left = false, bool right = false, bool sprint = false, bool toggleFly = false, bool alt = false, bool primary = false, bool secondary = false, bool tertiary = false, bool primaryHeld = false, bool secondaryHeld = false, bool toggleUnitGrid = false, bool ctrl = false, bool toggleColourMode = false, bool scaleBlockUp = false, bool scaleBlockDown = false, bool rotateBlockClockwise = false, bool rotateBlockCounterclockwise = false, bool cutSelection = false, bool copySelection = false, bool deleteSelection = false)
-		{
-			if (playerID == uint.MaxValue)
-            {
-                playerID = inputEngine.GetLocalPlayerID();
-            }
-            ref LocalPlayerInputEntityStruct currentInput = ref inputEngine.GetPlayerInputRef(playerID);
+		{ // TODO: We can only alter our own inputs clientside
+			ref var currentInput = ref inputEngine._localInputCache;
+			
             //Utility.Logging.CommandLog($"Current sim frame {currentInput.frame}");
 			// set inputs
-			if (toggleMode) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.ToggleTimeRunningMode;
-			if (forward) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.Forward;
-			if (backward) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.Backward;
-			if (up) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.Up;
-			if (down) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.Down;
-			if (left) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.Left;
-			if (right) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.Right;
-			if (sprint) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.Sprint;
-			//if (toggleFly) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.SwitchFlyMode;
-			//if (alt) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.AltAction;
-			if (primary) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.PrimaryAction;
-			if (secondary) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.SecondaryAction;
-			if (tertiary) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.TertiaryAction;
-			if (primaryHeld) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.PrimaryActionHeld;
-			if (secondaryHeld) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.SecondaryActionHeld;
-			//if (toggleUnitGrid) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.ToggleUnitGrid;
-			if (ctrl) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.CtrlAction;
-			if (toggleColourMode) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.ToggleColourMode;
-			if (scaleBlockUp) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.ScaleBlockUp;
-			if (scaleBlockDown) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.ScaleBlockDown;
-			if (rotateBlockClockwise) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.RotateBlockClockwise;
-			if (rotateBlockCounterclockwise) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.RotateBlockAnticlockwise;
-			if (cutSelection) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.CutSelection; 
-			if (copySelection) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.CopySelection;
-			if (deleteSelection) currentInput.actionMask |= RobocraftX.Common.Input.ActionInput.DeleteSelection;
+			if (toggleMode) currentInput |= RobocraftX.Common.Input.ActionInput.ToggleTimeRunningModePlay; //TODO: Test, play
+			if (forward) currentInput |= RobocraftX.Common.Input.ActionInput.Forward;
+			if (backward) currentInput |= RobocraftX.Common.Input.ActionInput.Backward;
+			if (up) currentInput |= RobocraftX.Common.Input.ActionInput.Up;
+			if (down) currentInput |= RobocraftX.Common.Input.ActionInput.Down;
+			if (left) currentInput |= RobocraftX.Common.Input.ActionInput.Left;
+			if (right) currentInput |= RobocraftX.Common.Input.ActionInput.Right;
+			if (sprint) currentInput |= RobocraftX.Common.Input.ActionInput.Sprint;
+			//if (toggleFly) currentInput |= RobocraftX.Common.Input.ActionInput.SwitchFlyMode;
+			//if (alt) currentInput |= RobocraftX.Common.Input.ActionInput.AltAction;
+			if (primary) currentInput |= RobocraftX.Common.Input.ActionInput.PrimaryActionClick;
+			if (secondary) currentInput |= RobocraftX.Common.Input.ActionInput.SecondaryActionClick;
+			if (tertiary) currentInput |= RobocraftX.Common.Input.ActionInput.TertiaryAction;
+			if (primaryHeld) currentInput |= RobocraftX.Common.Input.ActionInput.PrimaryActionHeld;
+			if (secondaryHeld) currentInput |= RobocraftX.Common.Input.ActionInput.SecondaryActionHeld;
+			//if (toggleUnitGrid) currentInput |= RobocraftX.Common.Input.ActionInput.ToggleUnitGrid;
+			if (ctrl) currentInput |= RobocraftX.Common.Input.ActionInput.CtrlAction;
+			if (toggleColourMode) currentInput |= RobocraftX.Common.Input.ActionInput.ToggleColourMode;
+			if (scaleBlockUp) currentInput |= RobocraftX.Common.Input.ActionInput.ScaleBlockUp;
+			if (scaleBlockDown) currentInput |= RobocraftX.Common.Input.ActionInput.ScaleBlockDown;
+			if (rotateBlockClockwise) currentInput |= RobocraftX.Common.Input.ActionInput.RotateBlockClockwise;
+			if (rotateBlockCounterclockwise) currentInput |= RobocraftX.Common.Input.ActionInput.RotateBlockAnticlockwise;
+			if (cutSelection) currentInput |= RobocraftX.Common.Input.ActionInput.CutSelection; 
+			if (copySelection) currentInput |= RobocraftX.Common.Input.ActionInput.CopySelection;
+			if (deleteSelection) currentInput |= RobocraftX.Common.Input.ActionInput.DeleteSelection;
+			
+			if(Game.CurrentGame().IsTimeStopped)
+				inputEngine.HandleCustomInput(); // Only gets called when online, so calling it here as well
 		}
 
         public static void Init()

TechbloxModdingAPI/Input/FakeInputEngine.cs

@@ -20,6 +20,8 @@ namespace TechbloxModdingAPI.Input
 
 		public bool IsReady = false;
 
+		internal ActionInput _localInputCache;
+
 		public void Dispose()
 		{
 			IsReady = false;
@@ -86,6 +88,14 @@ namespace TechbloxModdingAPI.Input
 			return ref entitiesDB.QueryEntity<LocalPlayerInputEntityStruct>(egid);
 		}
 
+		internal void HandleCustomInput()
+		{
+			if (!LocalPlayerIDUtility.DoesLocalPlayerExist(entitiesDB))
+				return;
+			GetPlayerInputRef(GetLocalPlayerID()).actionMask |= _localInputCache;
+			_localInputCache = default;
+		}
+
 		public uint GetLocalPlayerID()
         {
             return LocalPlayerIDUtility.GetLocalPlayerID(entitiesDB);

TechbloxModdingAPI/Input/FakeInputPatch.cs

@@ -0,0 +1,19 @@
+using System.Reflection;
+using HarmonyLib;
+
+namespace TechbloxModdingAPI.Input
+{
+    [HarmonyPatch]
+    public static class FakeInputPatch
+    {
+        public static void Prefix()
+        {
+            FakeInput.inputEngine.HandleCustomInput(); // This gets called right before the input is sent to the server
+        }
+
+        public static MethodBase TargetMethod()
+        {
+            return AccessTools.Method("RobocraftX.Multiplayer.Input.DeterministicInputRecorderEngine:RecordDeterministicInput");
+        }
+    }
+}

TechbloxModdingAPI/Interface/IMGUI/Button.cs

@@ -24,7 +24,7 @@ namespace TechbloxModdingAPI.Interface.IMGUI
         /// </summary>
         public event EventHandler<bool> OnClick;
         
-        public void OnGUI()
+        public override void OnGUI()
         {
             if (automaticLayout)
             {
@@ -42,34 +42,15 @@ namespace TechbloxModdingAPI.Interface.IMGUI
             }
         }
 
-        /// <summary>
-        /// The button's unique name.
-        /// </summary>
-        public string Name { get; private set; }
-
-        /// <summary>
-        /// Whether to display the button.
-        /// </summary>
-        public bool Enabled { get; set; } = true;
-
         /// <summary>
         /// Initialize a new button with automatic layout.
         /// </summary>
         /// <param name="text">The text to display on the button.</param>
         /// <param name="name">The button's name.</param>
-        public Button(string text, string name = null)
+        public Button(string text, string name = null) : base(text, name)
         {
             automaticLayout = true;
             this.text = text;
-            if (name == null)
-            {
-                this.Name = typeof(Button).FullName + "::" + text;
-            }
-            else
-            {
-                this.Name = name;
-            }
-            IMGUIManager.AddElement(this);
         }
 
         /// <summary>
@@ -83,10 +64,5 @@ namespace TechbloxModdingAPI.Interface.IMGUI
             automaticLayout = false;
             this.Box = box;
         }
-        
-        ~Button()
-        {
-            IMGUIManager.RemoveElement(this);
-        }
     }
 }

TechbloxModdingAPI/Interface/IMGUI/Group.cs

@@ -20,7 +20,7 @@ namespace TechbloxModdingAPI.Interface.IMGUI
         /// </summary>
         public Rect Box { get; set; }
 
-        public void OnGUI()
+        public override void OnGUI()
         {
             /*if (Constants.Default == null) return;
             if (Constants.Default.box == null) return;*/
@@ -60,16 +60,6 @@ namespace TechbloxModdingAPI.Interface.IMGUI
                 GUI.EndGroup();
             }
         }
-
-        /// <summary>
-        /// The group's unique name.
-        /// </summary>
-        public string Name { get; }
-        
-        /// <summary>
-        /// Whether to display the group and everything in it.
-        /// </summary>
-        public bool Enabled { set; get; } = true;
         
         /// <summary>
         /// The amount of elements in the group.
@@ -85,19 +75,10 @@ namespace TechbloxModdingAPI.Interface.IMGUI
         /// <param name="box">The rectangular area to use in the window.</param>
         /// <param name="name">Name of the group.</param>
         /// <param name="automaticLayout">Whether to use automatic UI layout.</param>
-        public Group(Rect box, string name = null, bool automaticLayout = false)
+        public Group(Rect box, string name = null, bool automaticLayout = false) : base(box.ToString().Replace(" ", ""), name)
         {
             Box = box;
-            if (name == null)
-            {
-                this.Name = typeof(Group).FullName + "::" + box.ToString().Replace(" ", "");
-            }
-            else
-            {
-                this.Name = name;
-            }
             this.automaticLayout = automaticLayout;
-            IMGUIManager.AddElement(this);
         }
 
         /// <summary>

TechbloxModdingAPI/Interface/IMGUI/IMGUIManager.cs

@@ -1,13 +1,8 @@
-using System;
-using System.Collections;
 using System.Collections.Generic;
-using TechbloxModdingAPI.App;
-using TechbloxModdingAPI.Utility;
-using Rewired.Internal;
-using Svelto.DataStructures;
 using Svelto.Tasks;
 using Svelto.Tasks.ExtraLean;
-using Svelto.Tasks.ExtraLean.Unity;
+using TechbloxModdingAPI.Tasks;
+using TechbloxModdingAPI.Utility;
 using UnityEngine;
 
 namespace TechbloxModdingAPI.Interface.IMGUI
@@ -20,9 +15,9 @@ namespace TechbloxModdingAPI.Interface.IMGUI
     /// </summary>
     public static class IMGUIManager
     {
-        internal static OnGuiRunner ImguiScheduler = new OnGuiRunner("TechbloxModdingAPI_IMGUIScheduler");
-        
-        private static Dictionary<string, UIElement> _activeElements = new Dictionary<string,UIElement>();
+        internal static OnGuiRunner ImguiScheduler = new("TechbloxModdingAPI_IMGUIScheduler");
+
+        private static readonly WeakDictionary<string, UIElement> _activeElements = new();
 
         /// <summary>
         /// Add an UIElement instance to be managed by IMGUIManager.

TechbloxModdingAPI/Interface/IMGUI/Image.cs

@@ -20,7 +20,7 @@ namespace TechbloxModdingAPI.Interface.IMGUI
         /// </summary>
         public Rect Box { get; set; } = Rect.zero;
         
-        public void OnGUI()
+        public override void OnGUI()
         {
             //if (Texture == null) return;
             if (automaticLayout)
@@ -32,43 +32,16 @@ namespace TechbloxModdingAPI.Interface.IMGUI
                 GUI.Label(Box, Texture, Constants.Default.label);
             }
         }
-
-        /// <summary>
-        /// The image element's unique name.
-        /// </summary>
-        public string Name { get; }
-        
-        /// <summary>
-        /// Whether to display the image and everything in it.
-        /// </summary>
-        public bool Enabled { set; get; } = true;
         
         /// <summary>
         /// Initializes a new instance of the <see cref="T:TechbloxModdingAPI.Interface.IMGUI.Image"/> class with automatic layout.
         /// </summary>
         /// <param name="texture">Image to display.</param>
         /// <param name="name">The element's name.</param>
-        public Image(Texture texture = null, string name = null)
+        public Image(Texture texture = null, string name = null) : base(texture == null ? "" : $"{texture.name}({texture.width}x{texture.height})", name)
         {
             automaticLayout = true;
             Texture = texture;
-            if (name == null)
-            {
-                if (texture == null)
-                {
-                    this.Name = typeof(Image).FullName + "::" + texture;
-                }
-                else
-                {
-                    this.Name = typeof(Image).FullName + "::" + texture.name + "(" + texture.width + "x" + texture.height + ")";
-                }
-                
-            }
-            else
-            {
-                this.Name = name;
-            }
-            IMGUIManager.AddElement(this);
         }
 
         /// <summary>

TechbloxModdingAPI/Interface/IMGUI/Label.cs

@@ -20,7 +20,7 @@ namespace TechbloxModdingAPI.Interface.IMGUI
         /// </summary>
         public Rect Box { get; set; } = Rect.zero;
         
-        public void OnGUI()
+        public override void OnGUI()
         {
             if (automaticLayout)
             {
@@ -32,34 +32,15 @@ namespace TechbloxModdingAPI.Interface.IMGUI
             }
         }
 
-        /// <summary>
-        /// The label's unique name.
-        /// </summary>
-        public string Name { get; }
-        
-        /// <summary>
-        /// Whether to display the label.
-        /// </summary>
-        public bool Enabled { set; get; } = true;
-
         /// <summary>
         /// Initializes a new instance of the <see cref="T:TechbloxModdingAPI.Interface.IMGUI.Label"/> class with automatic layout.
         /// </summary>
         /// <param name="initialText">Initial string to display on the label.</param>
         /// <param name="name">The element's name.</param>
-        public Label(string initialText = null, string name = null)
+        public Label(string initialText = null, string name = null) : base(initialText, name)
         {
             automaticLayout = true;
             Text = initialText;
-            if (name == null)
-            {
-                this.Name = typeof(Label).FullName + "::" + initialText;
-            }
-            else
-            {
-                this.Name = name;
-            }
-            IMGUIManager.AddElement(this);
         }
 
         /// <summary>

TechbloxModdingAPI/Interface/IMGUI/Text.cs

@@ -28,7 +28,7 @@ namespace TechbloxModdingAPI.Interface.IMGUI
         /// </summary>
         public event EventHandler<string> OnEdit;
         
-        public void OnGUI()
+        public override void OnGUI()
         {
             string editedText = null;
             if (automaticLayout)
@@ -61,36 +61,17 @@ namespace TechbloxModdingAPI.Interface.IMGUI
             }
         }
 
-        /// <summary>
-        /// The text field's unique name.
-        /// </summary>
-        public string Name { get; }
-        
-        /// <summary>
-        /// Whether to display the text field.
-        /// </summary>
-        public bool Enabled { set; get; } = true;
-
         /// <summary>
         /// Initialize the text input field with automatic layout.
         /// </summary>
         /// <param name="initialText">Initial text in the input field.</param>
         /// <param name="name">The text field's name.</param>
         /// <param name="multiline">Allow multiple lines?</param>
-        public Text(string initialText = null, string name = null, bool multiline = false)
+        public Text(string initialText = null, string name = null, bool multiline = false) : base(initialText, name)
         {
             this.Multiline = multiline;
             automaticLayout = true;
             text = initialText ?? "";
-            if (name == null)
-            {
-                this.Name = typeof(Text).FullName + "::" + text;
-            }
-            else
-            {
-                this.Name = name;
-            }
-            IMGUIManager.AddElement(this);
         }
 
         /// <summary>

TechbloxModdingAPI/Interface/IMGUI/UIElement.cs

@@ -6,23 +6,34 @@ namespace TechbloxModdingAPI.Interface.IMGUI
     /// GUI Element like a text field, button or picture.
     /// This interface is used to wrap many elements from Unity's IMGUI system.
     /// </summary>
-    public interface UIElement
+    public abstract class UIElement
     {
+        protected UIElement(string text, string name)
+        {
+            Name = name ?? GetType().FullName + "::" + text;
+            IMGUIManager.AddElement(this);
+        }
+
+        ~UIElement()
+        {
+            IMGUIManager.RemoveElement(this);
+        }
+        
         /// <summary>
         /// GUI operations to perform in the OnGUI scope.
         /// This is basically equivalent to a MonoBehaviour's OnGUI method.
         /// </summary>
-        void OnGUI();
+        public abstract void OnGUI();
         
         /// <summary>
         /// The element's name.
         /// This should be unique for every instance of the class.
         /// </summary>
-        string Name { get; }
+        public string Name { get; }
         
         /// <summary>
         /// Whether to display the UI element or not.
         /// </summary>
-        bool Enabled { get; }
+        public bool Enabled { get; set; } = true;
     }
 }

TechbloxModdingAPI/Main.cs

@@ -3,13 +3,11 @@ using System.Reflection;
 using HarmonyLib;
 
 using RobocraftX;
-using RobocraftX.Schedulers;
 using RobocraftX.Services;
 using Svelto.Context;
-using Svelto.Tasks.ExtraLean;
+
 using TechbloxModdingAPI.App;
 using TechbloxModdingAPI.Blocks;
-using TechbloxModdingAPI.Events;
 using TechbloxModdingAPI.Tasks;
 using TechbloxModdingAPI.Utility;
 
@@ -51,34 +49,42 @@ namespace TechbloxModdingAPI
                 harmony.PatchAll(currentAssembly);
             }
             catch (Exception e)
-            { //Can't use ErrorBuilder or Logging.LogException (which eventually uses ErrorBuilder) yet
-                Logging.Log(e.ToString());
-                Logging.LogWarning("Failed to patch Techblox. Attempting to patch to display error...");
-                harmony.Patch(AccessTools.Method(typeof(FullGameCompositionRoot), "OnContextInitialized")
-                        .MakeGenericMethod(typeof(UnityContext<FullGameCompositionRoot>)),
-                    new HarmonyMethod(((Action) OnPatchError).Method)); //Can't use lambdas here :(
+            {
+                HandleError(e, "Failed to patch Techblox. Attempting to patch to display error...", OnPatchError);
                 return;
             }
 
-            // init utility
-            Logging.MetaDebugLog($"Initializing Utility");
-            Utility.GameState.Init();
-            // init block implementors
-            Logging.MetaDebugLog($"Initializing Blocks");
-			// init input
-			Input.FakeInput.Init();
-			// init object-oriented classes
-			Player.Init();
-            Block.Init();
-            BlockGroup.Init();
-            Wire.Init();
-            Logging.MetaDebugLog($"Initializing Client");
-			Client.Init();
-			Game.Init();
-            // init UI
-            Interface.IMGUI.Constants.Init();
-            Interface.IMGUI.IMGUIManager.Init();
-            Logging.MetaLog($"{currentAssembly.GetName().Name} v{currentAssembly.GetName().Version} initialized");
+            try
+            {
+                // init utility
+                Logging.MetaDebugLog($"Initializing Utility");
+                Utility.GameState.Init();
+                // init block implementors
+                Logging.MetaDebugLog($"Initializing Blocks");
+                // init input
+                Input.FakeInput.Init();
+                // init object-oriented classes
+                Player.Init();
+                Block.Init();
+                BlockGroup.Init();
+                Wire.Init();
+                // init client
+                Logging.MetaDebugLog($"Initializing Client");
+                Client.Init();
+                Game.Init();
+                // init UI
+                Logging.MetaDebugLog($"Initializing UI");
+                Interface.IMGUI.Constants.Init();
+                Interface.IMGUI.IMGUIManager.Init();
+                // init anti-anticheat
+                Logging.MetaDebugLog("Initializing anti-anticheat");
+                AntiAntiCheatPatch.Init(harmony);
+                Logging.MetaLog($"{currentAssembly.GetName().Name} v{currentAssembly.GetName().Version} initialized");
+            }
+            catch (Exception e)
+            {
+                HandleError(e, "Failed to initialize the API! Attempting to patch to display error...", OnInitError);
+            }
         }
 
         /// <summary>
@@ -98,7 +104,7 @@ namespace TechbloxModdingAPI
                 }
                 Scheduler.Dispose();
                 var currentAssembly = Assembly.GetExecutingAssembly();
-                harmony.UnpatchAll(currentAssembly.GetName().Name);
+                harmony.UnpatchSelf();
                 harmony = null;
                 Logging.MetaLog($"{currentAssembly.GetName().Name} v{currentAssembly.GetName().Version} shutdown");
             }
@@ -109,5 +115,26 @@ namespace TechbloxModdingAPI
             ErrorBuilder.DisplayMustQuitError("Failed to patch Techblox!\n" +
                                               "Make sure you're using the latest version of TechbloxModdingAPI or disable mods if the API isn't released yet.");
         }
+
+        private static void OnInitError()
+        {
+            ErrorBuilder.DisplayMustQuitError("Failed to initialize the modding API!\n" +
+                                              "Make sure you're using the latest version. If you are, please report the error.");
+        }
+        
+        /// <summary>
+        /// Handles an init error. Logs the exception, a log message, and allows displaying an error in-game.
+        /// </summary>
+        /// <param name="e">The exception</param>
+        /// <param name="logMsg">The log message</param>
+        /// <param name="onInit">The action to run when the game is ready to display error messages</param>
+        private static void HandleError(Exception e, string logMsg, Action onInit)
+        { //Can't use ErrorBuilder or Logging.LogException (which eventually uses ErrorBuilder) yet
+            Logging.Log(e.ToString());
+            Logging.LogWarning(logMsg);
+            harmony.Patch(AccessTools.Method(typeof(FullGameCompositionRoot), "OnContextInitialized")
+                    .MakeGenericMethod(typeof(UnityContext<FullGameCompositionRoot>)),
+                new HarmonyMethod(onInit.Method)); //Can't use lambdas here :(
+        }
     }
 }

TechbloxModdingAPI/Persistence/SaveAndLoadCompositionRootPatch.cs

@@ -4,17 +4,18 @@ using RobocraftX.SaveAndLoad;
 using Svelto.ECS;
 
 using HarmonyLib;
+using RobocraftX.StateSync;
 
 namespace TechbloxModdingAPI.Persistence
 {
-	[HarmonyPatch(typeof(SaveAndLoadCompositionRoot), "Compose")]
+	[HarmonyPatch(typeof(SaveAndLoadCompositionRoot), "ClientComposeTimeStopped")]
     class SaveAndLoadCompositionRootPatch
     {
 		public static EnginesRoot currentEnginesRoot;
 
-		public static void Prefix(EnginesRoot enginesRoot)
+		public static void Prefix(StateSyncRegistrationHelper stateSyncHelper)
 		{
-			currentEnginesRoot = enginesRoot;
+			currentEnginesRoot = stateSyncHelper.enginesRoot;
 			//SerializerManager.RegisterSerializers(enginesRoot);
 		}
     }

TechbloxModdingAPI/Persistence/SaveGameEnginePatch.cs

@@ -25,7 +25,7 @@ namespace TechbloxModdingAPI.Persistence
 				Logging.MetaDebugLog("Skipping component serialization: no serializers registered!");
 				return;
 			}
-			serializationData.data.ExpandBy((uint)frameStart.Length);
+			serializationData.data.IncreaseCapacityBy((uint)frameStart.Length);
 			BinaryBufferWriter bbw = new BinaryBufferWriter(serializationData.data.ToArrayFast(out int buffLen), serializationData.dataPos);
 			uint originalPos = serializationData.dataPos;
 			Logging.MetaDebugLog($"dataPos: {originalPos}");
@@ -35,14 +35,14 @@ namespace TechbloxModdingAPI.Persistence
 				bbw.Write(frameStart[i]);
 			}
 			Logging.MetaDebugLog($"dataPos (after frame start): {bbw.Position}");
-			serializationData.data.ExpandBy(4u);
+			serializationData.data.IncreaseCapacityBy(4u);
 			bbw.Write((uint)SerializerManager.GetSerializersCount());
 			string[] serializerKeys = SerializerManager.GetSerializerNames();
 			for (uint c = 0; c < serializerKeys.Length; c++)
 			{
 				Logging.MetaDebugLog($"dataPos (loop start): {bbw.Position}");
 				// write component info
-				serializationData.data.ExpandBy(4u + (uint)serializerKeys[c].Length);
+				serializationData.data.IncreaseCapacityBy(4u + (uint)serializerKeys[c].Length);
 				bbw.Write((uint)serializerKeys[c].Length);
 				Logging.MetaDebugLog($"dataPos (now): {bbw.Position}");
 				byte[] nameBytes = Encoding.UTF8.GetBytes(serializerKeys[c]);
@@ -51,7 +51,7 @@ namespace TechbloxModdingAPI.Persistence
 					bbw.Write(nameBytes[i]);
 				}
 				Logging.MetaDebugLog($"dataPos (now): {bbw.Position}");
-				serializationData.data.ExpandBy(4u);
+				serializationData.data.IncreaseCapacityBy(4u);
 				serializationData.dataPos = bbw.Position + 4u;
 				Logging.MetaDebugLog($"dataPos (now): {bbw.Position}");
 				Logging.MetaDebugLog($"dataPos (appears to be): {serializationData.dataPos}");
@@ -73,8 +73,8 @@ namespace TechbloxModdingAPI.Persistence
 		}
 
         public static MethodBase TargetMethod()
-		{
-			return typeof(SaveGameEngine).GetMethod("SerializeGameToBuffer");
+        {
+	        return AccessTools.TypeByName("RobocraftX.SaveAndLoad.SaveGameEngine").GetMethod("SerializeGameToBuffer");
 		}
     }
 }

TechbloxModdingAPI/Persistence/SimpleEntitySerializer.cs

@@ -46,7 +46,7 @@ namespace TechbloxModdingAPI.Persistence
 
 		public bool Serialize(ref ISerializationData serializationData, EntitiesDB entitiesDB, IEntitySerialization entitySerializer)
 		{
-			serializationData.data.ExpandBy(4u);
+			serializationData.data.IncreaseCapacityBy(4u);
 			BinaryBufferWriter bbw = new BinaryBufferWriter(serializationData.data.ToArrayFast(out int count), serializationData.dataPos);
 			EGID[] toSerialize = getEntitiesToSerialize(entitiesDB);
 			bbw.Write((uint)toSerialize.Length);

TechbloxModdingAPI/Player.Events.cs

@@ -0,0 +1,52 @@
+using System;
+using Svelto.ECS;
+using TechbloxModdingAPI.Blocks;
+using TechbloxModdingAPI.Utility;
+
+namespace TechbloxModdingAPI
+{
+    public partial class Player
+    {
+        internal WrappedHandler<PlayerSeatEventArgs> seatEntered;
+        public event EventHandler<PlayerSeatEventArgs> SeatEntered
+        {
+            add => seatEntered += value;
+            remove => seatEntered -= value;
+        }
+
+        internal WrappedHandler<PlayerSeatEventArgs> seatExited;
+        public event EventHandler<PlayerSeatEventArgs> SeatExited
+        {
+            add => seatExited += value;
+            remove => seatExited -= value;
+        }
+
+        internal static WrappedHandler<PlayerEventArgs> joined;
+        
+        public static event EventHandler<PlayerEventArgs> Joined
+        {
+            add => joined += value;
+            remove => joined -= value;
+        }
+
+        internal static WrappedHandler<PlayerEventArgs> left;
+        
+        public static event EventHandler<PlayerEventArgs> Left
+        {
+            add => left += value;
+            remove => left -= value;
+        }
+    }
+
+    public struct PlayerSeatEventArgs
+    {
+        public EGID SeatId;
+        public Seat Seat => (Seat)Block.New(SeatId);
+    }
+
+    public struct PlayerEventArgs
+    {
+        public EGID PlayerId;
+        public Player Player => Player.GetInstance(PlayerId.entityID);
+    }
+}

TechbloxModdingAPI/Player.cs

@@ -1,13 +1,16 @@
 using System;
+using Gamecraft.Wires;
 using RobocraftX.Character;
 using RobocraftX.Character.Movement;
 using Unity.Mathematics;
 using RobocraftX.Common;
 using RobocraftX.Common.Players;
+using RobocraftX.GUI.Wires;
 using RobocraftX.Physics;
 using Svelto.ECS;
 using Techblox.BuildingDrone;
 using Techblox.Camera;
+using Techblox.Character;
 using TechbloxModdingAPI.Blocks;
 using TechbloxModdingAPI.Players;
 using TechbloxModdingAPI.Utility;
@@ -18,10 +21,11 @@ namespace TechbloxModdingAPI
     /// <summary>
     /// An in-game player character. Any Leo you see is a player.
     /// </summary>
-    public class Player : IEquatable<Player>, IEquatable<EGID>
+    public partial class Player : EcsObjectBase, IEquatable<Player>, IEquatable<EGID>
     {
         // static functionality
-		private static PlayerEngine playerEngine = new PlayerEngine();
+		private static readonly PlayerEngine playerEngine = new PlayerEngine();
+		private static readonly PlayerEventsEngine playerEventsEngine = new PlayerEventsEngine();
 		private static Player localPlayer;
 
         /// <summary>
@@ -61,23 +65,32 @@ namespace TechbloxModdingAPI
 		}
 
         /// <summary>
-        /// Returns the current player belonging to this client.
+        /// Returns the current player belonging to this client. It will be different after entering/leaving simulation.
+        /// May return null if the local player doesn't exist.
         /// </summary>
         public static Player LocalPlayer
         {
 	        get
 	        {
-		        if (localPlayer == null || localPlayer.Id != playerEngine.GetLocalPlayer())
-			        localPlayer = new Player(PlayerType.Local);
+		        var playerId = playerEngine.GetLocalPlayer();
+		        if (playerId == uint.MaxValue) return null;
+		        if (localPlayer == null || localPlayer.Id != playerId)
+			        localPlayer = GetInstance(playerId);
 		        return localPlayer;
 	        }
         }
 
+        internal static Player GetInstance(uint id)
+        {
+	        return EcsObjectBase.GetInstance(new EGID(id, CharacterExclusiveGroups.OnFootGroup),
+		        e => new Player(e.entityID));
+        }
+
         /// <summary>
         /// Initializes a new instance of the <see cref="T:TechbloxModdingAPI.Player"/> class.
         /// </summary>
         /// <param name="id">The player's unique identifier.</param>
-        public Player(uint id)
+        public Player(uint id) : base(new EGID(id, CharacterExclusiveGroups.OnFootGroup))
         {
             this.Id = id;
             if (!Exists(id))
@@ -91,22 +104,32 @@ namespace TechbloxModdingAPI
         /// Initializes a new instance of the <see cref="T:TechbloxModdingAPI.Player"/> class.
         /// </summary>
         /// <param name="player">The player type. Chooses the first available player matching the criteria.</param>
-        public Player(PlayerType player)
+        public Player(PlayerType player) : base(ecs =>
         {
-            switch (player)
-            {
-                case PlayerType.Local:
-                    this.Id = playerEngine.GetLocalPlayer();
-                    break;
-                case PlayerType.Remote:
-                    this.Id = playerEngine.GetRemotePlayer();
-                    break;
-            }
-            if (this.Id == uint.MaxValue)
-            {
-                throw new PlayerNotFoundException($"No player of {player} type exists");
-            }
-            this.Type = player;
+	        uint id;
+	        switch (player)
+	        {
+		        case PlayerType.Local:
+			        id = playerEngine.GetLocalPlayer();
+			        break;
+		        case PlayerType.Remote:
+			        id = playerEngine.GetRemotePlayer();
+			        break;
+		        default:
+			        id = uint.MaxValue;
+			        break;
+	        }
+
+	        if (id == uint.MaxValue)
+	        {
+		        throw new PlayerNotFoundException($"No player of {player} type exists");
+	        }
+
+	        return new EGID(id, CharacterExclusiveGroups.OnFootGroup);
+        })
+        {
+	        this.Type = player;
+	        Id = base.Id.entityID;
         }
 
         // object fields & properties
@@ -122,7 +145,7 @@ namespace TechbloxModdingAPI
         /// The player's unique identifier.
         /// </summary>
         /// <value>The identifier.</value>
-		public uint Id { get; }
+		public new uint Id { get; }
 
         /// <summary>
         /// The player's current position.
@@ -172,10 +195,8 @@ namespace TechbloxModdingAPI
         /// The player's mass.
         /// </summary>
         /// <value>The mass.</value>
-        public float Mass =>
-	        1f / playerEngine.GetCharacterStruct<RigidBodyEntityStruct>(Id).Get().physicsMass.InverseMass;
-
-        private float _ping = -1f;
+        [Obsolete] // We cannot get it clientside or something
+        public float Mass => 0;
 
         /// <summary>
         /// The player's latest network ping time.
@@ -185,12 +206,7 @@ namespace TechbloxModdingAPI
 		{
 			get
 			{
-				var opt = playerEngine.GetPlayerStruct<PlayerNetworkStatsEntityStruct>(Id, Type);
-				if (opt)
-				{
-					_ping = opt.Get().lastPingTimeSinceLevelLoad ?? _ping;
-				}
-				return _ping;
+				return playerEngine.GetPing() / 1000f;
 			}
 		}
 
@@ -198,15 +214,16 @@ namespace TechbloxModdingAPI
         /// The player's initial health when entering Simulation (aka Time Running) mode.
         /// </summary>
         /// <value>The initial health.</value>
+        [Obsolete("We can no longer get initial health, returns max health.")]
         public float InitialHealth
         {
 	        get
 	        {
-		        var opt = playerEngine.GetCharacterStruct<CharacterHealthEntityStruct>(Id);
-		        return opt ? opt.Get().initialHealth : -1f;
+		        var opt = playerEngine.GetCharacterStruct<CharacterHealthEntityComponent>(Id);
+		        return opt ? opt.Get().maxHealth : -1f;
 	        }
 
-	        set => playerEngine.GetCharacterStruct<CharacterHealthEntityStruct>(Id).Get().initialHealth = value;
+	        set => playerEngine.GetCharacterStruct<CharacterHealthEntityComponent>(Id).Get().maxHealth = value;
         }
 
         /// <summary>
@@ -217,30 +234,25 @@ namespace TechbloxModdingAPI
         {
 	        get
 	        {
-		        var opt = playerEngine.GetCharacterStruct<CharacterHealthEntityStruct>(Id);
+		        var opt = playerEngine.GetCharacterStruct<CharacterHealthEntityComponent>(Id);
 		        return opt ? opt.Get().currentHealth : -1f;
 	        }
 
-	        set => playerEngine.GetCharacterStruct<CharacterHealthEntityStruct>(Id).Get().currentHealth = value;
+	        set => playerEngine.GetCharacterStruct<CharacterHealthEntityComponent>(Id).Get().currentHealth = value;
         }
 
         /// <summary>
         /// Whether this <see cref="T:TechbloxModdingAPI.Player"/> is damageable.
         /// </summary>
         /// <value><c>true</c> if damageable; otherwise, <c>false</c>.</value>
+        [Obsolete("Players are probably always damageable")]
         public bool Damageable
         {
-	        get
-	        {
-		        var opt = playerEngine.GetCharacterStruct<CharacterHealthEntityStruct>(Id);
-		        return opt.Get().canTakeDamageStat;
-	        }
+	        get => true;
 
+	        // ReSharper disable once ValueParameterNotUsed
 	        set
 	        {
-		        ref var healthStruct = ref playerEngine.GetCharacterStruct<CharacterHealthEntityStruct>(Id).Get();
-		        healthStruct.canTakeDamage = value;
-		        healthStruct.canTakeDamageStat = value;
 	        }
         }
 
@@ -248,30 +260,26 @@ namespace TechbloxModdingAPI
         /// The player's lives when initially entering Simulation (aka Time Running) mode.
         /// </summary>
         /// <value>The initial lives.</value>
+        [Obsolete("The player has infinite lives")]
         public uint InitialLives
 		{
-	        get
-	        {
-		        var opt = playerEngine.GetCharacterStruct<CharacterLivesEntityComponent>(Id);
-		        return opt ? opt.Get().initialLives : uint.MaxValue;
-	        }
+	        get => uint.MaxValue;
 
-	        set => playerEngine.GetCharacterStruct<CharacterLivesEntityComponent>(Id).Get().initialLives = value;
+	        // ReSharper disable once ValueParameterNotUsed
+	        set { }
 		}
 
         /// <summary>
         /// The player's current lives in Simulation (aka Time Running) mode.
         /// </summary>
         /// <value>The current lives.</value>
+        [Obsolete("The player has infinite lives")]
 		public uint CurrentLives
         {
-	        get
-	        {
-		        var opt = playerEngine.GetCharacterStruct<CharacterLivesEntityComponent>(Id);
-		        return opt ? opt.Get().currentLives : uint.MaxValue;
-	        }
+	        get => uint.MaxValue;
 
-	        set => playerEngine.GetCharacterStruct<CharacterLivesEntityComponent>(Id).Get().currentLives = value;
+	        // ReSharper disable once ValueParameterNotUsed
+	        set { }
         }
 
         /*/// <summary>
@@ -302,7 +310,7 @@ namespace TechbloxModdingAPI
 			get
 			{
 				var optstruct = playerEngine.GetCharacterStruct<EquippedPartStruct>(Id);
-				return optstruct ? (BlockIDs) optstruct.Get().SelectedDBPartID : BlockIDs.Invalid;
+				return optstruct ? (BlockIDs) optstruct.Get().selectedDBPartID : BlockIDs.Invalid;
 			}
 		}
 
@@ -348,8 +356,20 @@ namespace TechbloxModdingAPI
 		/// <summary>
 		/// The player's mode in time stopped mode, determining what they place.
 		/// </summary>
-		public PlayerBuildingMode BuildingMode => (PlayerBuildingMode) playerEngine
-			.GetCharacterStruct<TimeStoppedModeComponent>(Id).Get().timeStoppedContext;
+		public PlayerBuildingMode BuildingMode => (PlayerBuildingMode)Math.Log((double)playerEngine
+			.GetCharacterStruct<TimeStoppedModeComponent>(Id).Get().timeStoppedContext, 2); // It's a bit field in game now
+
+		public PlayerState State =>
+			playerEngine.GetCharacterStruct<CharacterTagEntityStruct>(Id).Get().ID.groupID switch
+			{
+				var group when group == CharacterExclusiveGroups.MachineSpawningGroup => PlayerState.HoldingMachine,
+				var group when group == CharacterExclusiveGroups.OnFootGroup => PlayerState.OnFoot,
+				var group when group == CharacterExclusiveGroups.InPilotSeatGroup => PlayerState.InSeat,
+				var group when group == CharacterExclusiveGroups.DyingOnFootGroup => PlayerState.OnFoot,
+				var group when group == CharacterExclusiveGroups.DyingInPilotSeatGroup => PlayerState.InSeat,
+				var group when group == CharacterExclusiveGroups.DeadGroup => PlayerState.OnFoot,
+				_ => throw new ArgumentOutOfRangeException("", "Unknown player state")
+			};
 
 		/// <summary>
 		/// Whether the player is sprinting.
@@ -422,6 +442,39 @@ namespace TechbloxModdingAPI
 			}
 			playerEngine.SetLocation(Id, location, exitSeat: exitSeat);
 		}
+
+        /// <summary>
+        /// Enter the given seat.
+        /// </summary>
+        /// <param name="seat">The seat to enter.</param>
+        public void EnterSeat(Seat seat)
+        {
+	        playerEngine.EnterSeat(Id, seat.Id);
+        }
+
+        /// <summary>
+        /// Exit the seat the player is currently in.
+        /// </summary>
+        public void ExitSeat()
+        {
+	        playerEngine.ExitSeat(Id);
+        }
+
+        /// <summary>
+        /// Spawn the machine the player is holding in time running mode.
+        /// </summary>
+        public bool SpawnMachine()
+        {
+	        return playerEngine.SpawnMachine(Id);
+        }
+
+        /// <summary>
+        /// Despawn the player's machine in time running mode and place it in their hand.
+        /// </summary>
+        public bool DespawnMachine()
+        {
+	        return playerEngine.DespawnMachine(Id);
+        }
         
         /// <summary>
         /// Returns the block the player is currently looking at in build mode.
@@ -431,9 +484,10 @@ namespace TechbloxModdingAPI
         public Block GetBlockLookedAt(float maxDistance = -1f)
         {
 	        var egid = playerEngine.GetThingLookedAt(Id, maxDistance);
-	        return egid != EGID.Empty && egid.groupID != CommonExclusiveGroups.SIMULATION_BODIES_GROUP
+	        return egid != default && egid.groupID != CommonExclusiveGroups.SIMULATION_BODIES_GROUP
+	        && egid.groupID != WiresGUIExclusiveGroups.WireGroup
 		        ? Block.New(egid)
-		        : null;
+		        : null;	
         }
         
         /// <summary>
@@ -444,8 +498,22 @@ namespace TechbloxModdingAPI
         public SimBody GetSimBodyLookedAt(float maxDistance = -1f)
         {
 	        var egid = playerEngine.GetThingLookedAt(Id, maxDistance);
-	        return egid != EGID.Empty && egid.groupID == CommonExclusiveGroups.SIMULATION_BODIES_GROUP
-		        ? new SimBody(egid)
+	        return egid != default && egid.groupID == CommonExclusiveGroups.SIMULATION_BODIES_GROUP
+		        ? EcsObjectBase.GetInstance(egid, e => new SimBody(e))
+		        : null;
+        }
+
+        /// <summary>
+        /// Returns the wire the player is currently looking at in build mode.
+        /// </summary>
+        /// <param name="maxDistance">The maximum distance from the player (default is the player's building reach)</param>
+        /// <returns>The wire or null if not found</returns>
+        public Wire GetWireLookedAt(float maxDistance = -1f)
+        {
+	        var egid = playerEngine.GetThingLookedAt(Id, maxDistance);
+	        return egid != default && egid.groupID == WiresGUIExclusiveGroups.WireGroup
+		        ? EcsObjectBase.GetInstance(new EGID(egid.entityID, BuildModeWiresGroups.WiresGroup.Group),
+			        e => new Wire(e))
 		        : null;
         }
 
@@ -458,6 +526,15 @@ namespace TechbloxModdingAPI
 	        return playerEngine.GetSelectedBlocks(Id);
         }
 
+        /// <summary>
+        /// Returns the ghost block that shows the block to be placed in build mode.
+        /// </summary>
+        /// <returns>A block instance or null if not found</returns>
+        public Block GetGhostBlock()
+        {
+	        return playerEngine.GetGhostBlock(Id);
+        }
+
         public bool Equals(Player other)
         {
 	        if (ReferenceEquals(null, other)) return false;
@@ -485,11 +562,17 @@ namespace TechbloxModdingAPI
 	        return (int) Id;
         }
 
+        public override string ToString()
+        {
+	        return $"{nameof(Type)}: {Type}, {nameof(Id)}: {Id}, {nameof(Position)}: {Position}, {nameof(Rotation)}: {Rotation}, {nameof(Mass)}: {Mass}";
+        }
+
         // internal methods
 
         internal static void Init()
 		{
 			Utility.GameEngineManager.AddGameEngine(playerEngine);
+			Utility.GameEngineManager.AddGameEngine(playerEventsEngine);
 		}
     }
 }

TechbloxModdingAPI/Players/PlayerBuildingMode.cs

@@ -6,6 +6,7 @@
         ColourMode,
         ConfigMode,
         BlueprintMode,
-        MaterialMode
+        MaterialMode,
+        LandscapeMode
     }
 }

TechbloxModdingAPI/Players/PlayerEngine.cs

@@ -1,4 +1,5 @@
-using System.Runtime.CompilerServices;
+using System;
+using System.Runtime.CompilerServices;
 
 using RobocraftX.Character;
 using RobocraftX.Character.Movement;
@@ -7,19 +8,24 @@ using RobocraftX.Common.Input;
 using RobocraftX.CR.MachineEditing.BoxSelect;
 using RobocraftX.Physics;
 using RobocraftX.Blocks.Ghost;
-using Gamecraft.GUI.HUDFeedbackBlocks;
+using RobocraftX.Common;
+using RobocraftX.Multiplayer;
+using RobocraftX.SimulationModeState;
 using Svelto.ECS;
 using Techblox.Camera;
 using Unity.Mathematics;
 using Svelto.ECS.DataStructures;
 using Techblox.BuildingDrone;
+using Techblox.Character;
 
 using TechbloxModdingAPI.Engines;
+using TechbloxModdingAPI.Input;
 using TechbloxModdingAPI.Utility;
+using TechbloxModdingAPI.Utility.ECS;
 
 namespace TechbloxModdingAPI.Players
 {
-	internal class PlayerEngine : IApiEngine, IFactoryEngine
+	internal class PlayerEngine : IFunEngine
 	{
 		public string Name { get; } = "TechbloxModdingAPIPlayerGameEngine";
 
@@ -27,7 +33,7 @@ namespace TechbloxModdingAPI.Players
 
 		public bool isRemovable => false;
 
-		public IEntityFactory Factory { set; private get; }
+		public IEntityFunctions Functions { get; set; }
 
 		private bool isReady = false;
 
@@ -44,10 +50,10 @@ namespace TechbloxModdingAPI.Players
         public uint GetLocalPlayer()
 		{
 			if (!isReady) return uint.MaxValue;
-			var localPlayers = entitiesDB.QueryEntities<PlayerIDStruct>(PlayersExclusiveGroups.LocalPlayers).ToBuffer();
-			if (localPlayers.count > 0)
+			var (localPlayers, count) = entitiesDB.QueryEntities<PlayerIDStruct>(PlayersExclusiveGroups.LocalPlayers);
+			if (count > 0)
 			{
-				return localPlayers.buffer[0].ID.entityID;
+				return localPlayers[0].ID.entityID;
 			}
 			return uint.MaxValue;
 		}
@@ -55,10 +61,10 @@ namespace TechbloxModdingAPI.Players
         public uint GetRemotePlayer()
 		{
 			if (!isReady) return uint.MaxValue;
-			var localPlayers = entitiesDB.QueryEntities<PlayerIDStruct>(PlayersExclusiveGroups.RemotePlayers).ToBuffer();
-            if (localPlayers.count > 0)
+			var (localPlayers, count) = entitiesDB.QueryEntities<PlayerIDStruct>(PlayersExclusiveGroups.RemotePlayers);
+            if (count > 0)
             {
-                return localPlayers.buffer[0].ID.entityID;
+                return localPlayers[0].ID.entityID;
             }
 			return uint.MaxValue;
 		}
@@ -101,26 +107,16 @@ namespace TechbloxModdingAPI.Players
 				return false;
 			if (group == CharacterExclusiveGroups.InPilotSeatGroup && exitSeat)
 			{
-				EGID egid = new EGID(playerId, group);
-				entitiesDB.QueryEntity<CharacterPilotSeatEntityStruct>(egid).instantExit = true;
-				entitiesDB.PublishEntityChange<CharacterPilotSeatEntityStruct>(egid);
+				ExitSeat(playerId);
 			}
 			rbesOpt.Get().position = location;
 			return true;
 		}
 
-		public bool GetGameOverScreen(uint playerId)
-		{
-			if (entitiesDB == null) return false;
-			ref HudActivatedBlocksEntityStruct habes = ref entitiesDB.QueryEntity<HudActivatedBlocksEntityStruct>(HUDFeedbackBlocksGUIExclusiveGroups.GameOverHudEgid);
-			NativeDynamicArrayCast<EGID> nativeDynamicArrayCast = new NativeDynamicArrayCast<EGID>(habes.activatedBlocksOrdered);
-			return nativeDynamicArrayCast.count > 0;
-		}
-
 		public bool IsDead(uint playerId)
 		{
 			if (entitiesDB == null) return true;
-			return entitiesDB.Exists<RigidBodyEntityStruct>(playerId, CharacterExclusiveGroups.DeadCharacters);
+			return entitiesDB.Exists<RigidBodyEntityStruct>(playerId, CharacterExclusiveGroups.DeadGroup);
 		}
 
         // reusable methods
@@ -135,7 +131,7 @@ namespace TechbloxModdingAPI.Players
 			group = default;
 			if (GameState.IsBuildMode())
 				return entitiesDB.QueryEntityOptional<T>(new EGID(playerId, LocalBuildingDrone.BuildGroup));
-			
+
 			var characterGroups = CharacterExclusiveGroups.AllCharacters;
 			for (int i = 0; i < characterGroups.count; i++)
 			{
@@ -167,28 +163,29 @@ namespace TechbloxModdingAPI.Players
         public EGID GetThingLookedAt(uint playerId, float maxDistance = -1f)
         {
 	        var opt = GetCameraStruct<PhysicCameraRayCastEntityStruct>(playerId);
-	        if (!opt) return EGID.Empty;
+	        if (!opt) return default;
 	        PhysicCameraRayCastEntityStruct rayCast = opt;
+	        EGID physicCameraEgid = new EGID(playerId, CameraExclusiveGroups.PhysicCameraGroup);
 	        float distance = maxDistance < 0
-		        ? GhostBlockUtils.GetBuildInteractionDistance(entitiesDB, rayCast,
+		        ? GhostBlockUtils.GetBuildInteractionDistance(entitiesDB, rayCast, physicCameraEgid,
 			        GhostBlockUtils.GhostCastMethod.GhostCastProportionalToBlockSize)
 		        : maxDistance;
 	        if (rayCast.hit && rayCast.distance <= distance)
-		        return rayCast.hitEgid; //May be EGID.Empty
+		        return rayCast.hitEgid; //May be EGID.Empty (default)
 
-	        return EGID.Empty;
+	        return default;
         }
 
         public unsafe Block[] GetSelectedBlocks(uint playerid)
         {
 	        if (!entitiesDB.Exists<BoxSelectStateEntityStruct>(playerid,
 		        BoxSelectExclusiveGroups.BoxSelectVolumeExclusiveGroup))
-		        return new Block[0];
+		        return Array.Empty<Block>();
 	        var state = entitiesDB.QueryEntity<BoxSelectStateEntityStruct>(playerid,
 		        BoxSelectExclusiveGroups.BoxSelectVolumeExclusiveGroup);
 	        var blocks = entitiesDB.QueryEntity<SelectedBlocksStruct>(playerid,
 		        BoxSelectExclusiveGroups.BoxSelectVolumeExclusiveGroup);
-	        if (!state.active) return new Block[0];
+	        if (!state.active) return Array.Empty<Block>();
 	        var pointer = (EGID*) blocks.selectedBlocks.ToPointer();
 	        var ret = new Block[blocks.count];
 	        for (int j = 0; j < blocks.count; j++)
@@ -199,5 +196,79 @@ namespace TechbloxModdingAPI.Players
 
 	        return ret;
         }
+
+        public void EnterSeat(uint playerId, EGID seatId)
+        {
+	        if (!TimeRunningModeUtil.IsTimeRunningMode(entitiesDB))
+		        return;
+	        /*PilotSeatGroupUtils.SwapTagTo<OCCUPIED_TAG>(Functions, seatId);
+	        var opt = GetCharacterStruct<CharacterPilotSeatEntityStruct>(playerId, out var group);
+	        if (!opt) return; - TODO: This is server code and mods run in client code atm. We can only send inputs even in singleplayer as it is.
+	        ref CharacterPilotSeatEntityStruct charSeat = ref opt.Get();
+	        var charId = new EGID(playerId, group);
+	        charSeat.pilotSeatEntity = entitiesDB.GetEntityReference(seatId);
+	        charSeat.entryPositionOffset =
+		        entitiesDB.QueryEntity<PositionEntityStruct>(charId).position -
+		        entitiesDB.QueryEntity<PositionEntityStruct>(seatId).position;
+	        ref var seat = ref entitiesDB.QueryEntity<PilotSeatEntityStruct>(seatId);
+	        seat.occupyingCharacter = entitiesDB.GetEntityReference(charId);
+	        charSeat.followCam = entitiesDB.QueryEntity<SeatFollowCamComponent>(seatId).followCam;
+	        Functions.SwapEntityGroup<CharacterEntityDescriptor>(charId, CharacterExclusiveGroups.InPilotSeatGroup);*/
+        }
+
+        public void ExitSeat(uint playerId)
+        {
+	        if (!TimeRunningModeUtil.IsTimeRunningMode(entitiesDB))
+		        return;
+	        /*EGID egid = new EGID(playerId, CharacterExclusiveGroups.InPilotSeatGroup);
+	        var opt = entitiesDB.QueryEntityOptional<CharacterPilotSeatEntityStruct>(egid);
+	        if (!opt) return;
+	        opt.Get().instantExit = true;
+	        entitiesDB.PublishEntityChange<CharacterPilotSeatEntityStruct>(egid);*/
+        }
+
+        public bool SpawnMachine(uint playerId)
+        {
+	        if (!TimeRunningModeUtil.IsTimeRunningMode(entitiesDB))
+		        return false;
+	        EGID egid = new EGID(playerId, CharacterExclusiveGroups.MachineSpawningGroup);
+	        if (!entitiesDB.Exists<CharacterTagEntityStruct>(egid))
+		        return false;
+	        if (entitiesDB.QueryEntity<CharacterMachineSpawningValidityComponent>(egid).isMachinePlacementInvalid)
+	        {
+		        Logging.MetaDebugLog("Machine placement invalid");
+		        return false;
+	        }
+	        //Functions.SwapEntityGroup<CharacterEntityDescriptor>(egid, CharacterExclusiveGroups.OnFootGroup);
+	        FakeInput.ActionInput(playerId, primary: true);
+	        return true;
+        }
+
+        public bool DespawnMachine(uint playerId)
+        {
+	        if (!TimeRunningModeUtil.IsTimeRunningMode(entitiesDB))
+		        return false;
+	        GetCharacterStruct<CharacterTagEntityStruct>(playerId, out var group);
+	        if (group.isInvalid)
+		        return false;
+		    EGID egid = new EGID(playerId, group);
+	        if (!entitiesDB.Exists<CharacterTagEntityStruct>(egid))
+		        return false;
+	        Functions.SwapEntityGroup<CharacterEntityDescriptor>(egid, CharacterExclusiveGroups.MachineSpawningGroup);
+	        return true;
+        }
+
+        public uint GetPing()
+        {
+	        return entitiesDB
+		        .QueryUniqueEntity<NetworkStatsEntityStruct>(MultiplayerExclusiveGroups.MultiplayerStateGroup)
+		        .networkStats.PingMs;
+        }
+
+        public Block GetGhostBlock(uint playerId)
+        {
+	        var egid = new EGID(playerId, GHOST_BLOCKS_ENABLED.Group);
+	        return entitiesDB.Exists<DBEntityStruct>(egid) ? Block.New(egid) : null;
+        }
 	}
 }

TechbloxModdingAPI/Players/PlayerEventsEngine.cs

@@ -0,0 +1,45 @@
+using System;
+using RobocraftX.Character;
+using RobocraftX.Character.Movement;
+using RobocraftX.Common.Input;
+using Svelto.ECS;
+
+using TechbloxModdingAPI.Engines;
+
+namespace TechbloxModdingAPI.Players
+{
+    public class PlayerEventsEngine : IApiEngine, IReactOnSwap<CharacterPilotSeatEntityStruct>, IReactOnAddAndRemove<PlayerIDStruct>
+    {
+        public void Ready()
+        {
+        }
+
+        public EntitiesDB entitiesDB { get; set; }
+        public void Dispose()
+        {
+        }
+
+        public string Name => "TechbloxModdingAPIPlayerEventsEngine";
+        public bool isRemovable => false;
+
+        public void MovedTo(ref CharacterPilotSeatEntityStruct entityComponent, ExclusiveGroupStruct previousGroup, EGID egid)
+        {
+            entitiesDB.TryGetEGID(entityComponent.pilotSeatEntity, out var seatId); //TODO: Can't get EGID
+            var player = Player.GetInstance(egid.entityID);
+            if (previousGroup == CharacterExclusiveGroups.InPilotSeatGroup)
+                player.seatExited.Invoke(this, new PlayerSeatEventArgs { SeatId = seatId});
+            else if (egid.groupID == CharacterExclusiveGroups.InPilotSeatGroup)
+                player.seatEntered.Invoke(this, new PlayerSeatEventArgs { SeatId = seatId });
+        }
+
+        public void Add(ref PlayerIDStruct entityComponent, EGID egid)
+        {
+            Player.joined.Invoke(this, new PlayerEventArgs { PlayerId = egid });
+        }
+
+        public void Remove(ref PlayerIDStruct entityComponent, EGID egid)
+        {
+            Player.left.Invoke(this, new PlayerEventArgs { PlayerId = egid });
+        }
+    }
+}

TechbloxModdingAPI/Players/PlayerState.cs

@@ -0,0 +1,9 @@
+namespace TechbloxModdingAPI.Players
+{
+    public enum PlayerState
+    {
+        HoldingMachine,
+        OnFoot,
+        InSeat
+    }
+}

TechbloxModdingAPI/Players/PlayerTests.cs

@@ -1,9 +1,14 @@
 using System;
+using System.Collections.Generic;
 
+using Svelto.Tasks;
+using Svelto.Tasks.Enumerators;
 using Unity.Mathematics;
 
-using TechbloxModdingAPI;
+using TechbloxModdingAPI.App;
+using TechbloxModdingAPI.Blocks;
 using TechbloxModdingAPI.Tests;
+using TechbloxModdingAPI.Utility;
 
 namespace TechbloxModdingAPI.Players
 {
@@ -24,12 +29,62 @@ namespace TechbloxModdingAPI.Players
 		[APITestCase(TestType.EditMode)]
 		public static void PositionTest()
 		{
-			Player p = new Player(PlayerType.Local);
+			Player p = Player.LocalPlayer;
 			if (!Assert.Errorless(() => { p.Teleport(0, 0, 0, relative: false); }, "Player.Teleport(origin) errored: ", "Player teleported to origin successfully.")) return;
 			if (!Assert.CloseTo(p.Position, float3.zero, "Player is not close to origin despite being teleported there.", "Player.Position is at origin.")) return;
 			if (!Assert.Errorless(() => { p.Position = float3.zero + 1; }, "Player.Position  = origin+1 errored: ", "Player moved to origin+1.")) return;
 			Assert.CloseTo(p.Position, float3.zero + 1, "Player is not close to origin+1 despite being teleported there.", "Player.Position is at origin+1.");
 		}
+		
+		[APITestCase(TestType.Game)]
+		public static void SeatEventTestBuild()
+		{
+			Block.PlaceNew(BlockIDs.DriverSeat, Player.LocalPlayer.Position);
+		}
+
+		[APITestCase(TestType.SimulationMode)]
+		public static IEnumerator<TaskContract> SeatEventTestSim()
+		{
+			Player.LocalPlayer.SeatEntered += Assert.CallsBack<PlayerSeatEventArgs>("SeatEntered");
+			Player.LocalPlayer.SeatExited += Assert.CallsBack<PlayerSeatEventArgs>("SeatExited");
+			Assert.Equal(Player.LocalPlayer.SpawnMachine(), true, "Failed to spawn the player's machine.", "Successfully spawned the player's machine.");
+			yield return new WaitForSecondsEnumerator(1).Continue();
+			var seats = Game.CurrentGame().GetBlocksInGame(BlockIDs.DriverSeat);
+			int c = 0;
+			while (seats.Length == 0 && c < 10)
+			{
+				Logging.MetaLog("Waiting for a seat to be spawned...");
+				yield return new WaitForSecondsEnumerator(1).Continue();
+				Logging.MetaLog("Spawn machine: " + Player.LocalPlayer.SpawnMachine());
+				seats = Game.CurrentGame().GetBlocksInGame(BlockIDs.DriverSeat);
+				c++;
+			}
+
+			if (seats.Length == 0)
+			{
+				Assert.Fail("No driver seat found!");
+				yield break;
+			}
+
+			if (seats[0] is Seat seat)
+			{
+				Assert.Errorless(() => Player.LocalPlayer.EnterSeat(seat), "Failed to enter seat.",
+					"Entered seat successfully.");
+				while (Player.LocalPlayer.State != PlayerState.InSeat)
+				{
+					bool cont = false;
+					Client.Instance.PromptUser(new SingleChoicePrompt("Testing", $"Enter the seat at {seat.Position} pls", "OK", () => cont = true));
+					while (!cont)
+						yield return Yield.It;
+					yield return new WaitForSecondsEnumerator(5f).Continue();
+				}
+			}
+			else
+				Assert.Fail("Found a seat that is not a seat!");
+			yield return new WaitForSecondsEnumerator(5).Continue();
+			Assert.Errorless(() => Player.LocalPlayer.ExitSeat(), "Failed to exit seat.",
+				"Exited seat successfully.");
+		}
 
 		[APITestCase(TestType.Menu)]
 		public static void InvalidStateTest()

TechbloxModdingAPI/SimBody.cs

@@ -6,6 +6,7 @@ using UnityEngine;
 using Gamecraft.Damage;
 using RobocraftX.Common;
 using RobocraftX.Physics;
+using Techblox.TimeRunning.Clusters;
 
 namespace TechbloxModdingAPI
 {
@@ -14,20 +15,20 @@ namespace TechbloxModdingAPI
     /// </summary>
     public class SimBody : EcsObjectBase, IEquatable<SimBody>, IEquatable<EGID>
     {
-        public override EGID Id { get; }
-
         /// <summary>
         /// The cluster this chunk belongs to, or null if no cluster destruction manager present or the chunk doesn't exist.
         /// Get the SimBody from a Block if possible for good performance here.
         /// </summary>
-        public Cluster Cluster => cluster ?? (cluster = clusterId == uint.MaxValue ? Block.BlockEngine.GetCluster(Id.entityID) : new Cluster(clusterId));
+        public Cluster Cluster => cluster ??= clusterId == uint.MaxValue // Return cluster or if it's null then set it
+            ? Block.BlockEngine.GetCluster(Id.entityID) // If we don't have a clusterId set then get it from the game
+            : GetInstance(new EGID(clusterId, ClustersExclusiveGroups.SIMULATION_CLUSTERS_GROUP),
+                egid => new Cluster(egid)); // Otherwise get the cluster from the ID
 
         private Cluster cluster;
         private readonly uint clusterId = uint.MaxValue;
 
-        public SimBody(EGID id)
+        public SimBody(EGID id) : base(id)
         {
-            Id = id;
         }
 
         public SimBody(uint id) : this(new EGID(id, CommonExclusiveGroups.SIMULATION_BODIES_GROUP))
@@ -73,15 +74,16 @@ namespace TechbloxModdingAPI
             }
         }
 
+        [Obsolete] //Cannot get mass even from UECS
         public float Mass
         {
-            get => math.rcp(GetStruct().physicsMass.InverseMass);
+            get => 0f;
             //set => GetStruct().physicsMass.InverseMass = math.rcp(value);
         }
 
         public float3 CenterOfMass
         {
-            get => GetStruct().physicsMass.CenterOfMass;
+            get => 0f; //TODO
             //set => GetStruct().physicsMass.CenterOfMass = value;
         }
 
@@ -92,20 +94,20 @@ namespace TechbloxModdingAPI
 
         public float InitialHealth
         {
-            get => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(this).initialHealth;
-            set => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(this).initialHealth = value;
+            get => 0f;
+            set { }
         }
 
         public float CurrentHealth
         {
-            get => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(this).currentHealth;
-            set => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(this).currentHealth = value;
+            get => 0f;
+            set { }
         }
 
         public float HealthMultiplier
         {
-            get => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(this).healthMultiplier;
-            set => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(this).healthMultiplier = value;
+            get => 0f;
+            set { }
         }
 
         /// <summary>

TechbloxModdingAPI/Tasks/OnGuiRunner.cs

@@ -0,0 +1,17 @@
+using System.Collections;
+using RobocraftX.Schedulers;
+using Svelto.Tasks;
+using Svelto.Tasks.ExtraLean;
+using Svelto.Tasks.Unity.Internal;
+
+namespace TechbloxModdingAPI.Tasks
+{
+    public class OnGuiRunner : SteppableRunner<ExtraLeanSveltoTask<IEnumerator>>
+    {
+        public OnGuiRunner(string name, uint runningOrder = 0)
+            : base(name)
+        {
+            UnityCoroutineRunner.StartOnGuiCoroutine(this._processEnumerator, runningOrder);
+        }
+    }
+}

TechbloxModdingAPI/Tasks/Scheduler.cs

@@ -20,7 +20,7 @@ namespace TechbloxModdingAPI.Tasks
         {
             get
             {
-                return RobocraftX.Schedulers.Lean.UIScheduler;
+                return RobocraftX.Schedulers.ClientLean.UIScheduler;
             }
         }
 
@@ -28,7 +28,7 @@ namespace TechbloxModdingAPI.Tasks
         {
             get
             {
-                return RobocraftX.Schedulers.ExtraLean.UIScheduler;
+                return RobocraftX.Schedulers.ClientExtraLean.UIScheduler;
             }
         }
 

TechbloxModdingAPI/Tests/TechbloxModdingAPIPluginTest.cs

@@ -1,354 +1,84 @@
 using System;
-using System.Collections.Generic;
-using System.Diagnostics;
 using System.Reflection;
 using System.Text;
-using TechbloxModdingAPI.App;
+using BepInEx;
+using BepInEx.Bootstrap;
 using HarmonyLib;
-using IllusionInjector;
-// test
 using RobocraftX.FrontEnd;
-using Unity.Mathematics;
-using UnityEngine;
-using RobocraftX.Common.Input;
-using Svelto.Tasks;
-using Svelto.Tasks.Lean;
-using TechbloxModdingAPI.Blocks;
+using TechbloxModdingAPI.App;
 using TechbloxModdingAPI.Commands;
-using TechbloxModdingAPI.Input;
-using TechbloxModdingAPI.Players;
-using TechbloxModdingAPI.Tasks;
-using TechbloxModdingAPI.Utility;
 
 namespace TechbloxModdingAPI.Tests
 {
-#if DEBUG
-    // unused by design
-    /// <summary>
-    /// Modding API implemented as a standalone IPA Plugin.
-    /// Ideally, TechbloxModdingAPI should be loaded by another mod; not itself
-    /// </summary>
-    class TechbloxModdingAPIPluginTest : IllusionPlugin.IEnhancedPlugin
+    #if DEBUG // The API should be loaded by other plugins, but it can be used by itself for testing
+    [BepInPlugin("org.exmods.TechbloxModdingAPIPluginTest", PluginInfo.PLUGIN_NAME, PluginInfo.PLUGIN_VERSION)]
+    [BepInProcess("Techblox.exe")]
+    public class TechbloxModdingAPIPluginTest : BaseUnityPlugin
     {
+        private void Awake()
+        {
+            Main.Init();
+            Client.EnterMenu += (sender, args) => throw new Exception("Test handler always throws an exception!");
+            Client.EnterMenu += (sender, args) => Console.WriteLine("EnterMenu handler after erroring handler");
+            Game.Enter += (s, a) =>
+            {
+                Player.LocalPlayer.SeatEntered += (sender, args) =>
+                    Console.WriteLine($"Player {Player.LocalPlayer} entered seat {args.Seat}");
+                Player.LocalPlayer.SeatExited += (sender, args) =>
+                    Console.WriteLine($"Player {Player.LocalPlayer} exited seat {args.Seat}");
+            };
+            
+            CommandBuilder.Builder()
+                .Name("Exit")
+                .Description("Close Techblox immediately, without any prompts")
+                .Action(() => { UnityEngine.Application.Quit(); })
+                .Build();
 
-        private static Harmony harmony { get; set; }
+            CommandBuilder.Builder()
+                .Name("SetFOV")
+                .Description("Set the player camera's field of view")
+                .Action((float d) => { UnityEngine.Camera.main.fieldOfView = d; })
+                .Build();
+            
+            Game.AddPersistentDebugInfo("InstalledMods", InstalledMods);
+            
+            // Plugin startup logic
+            Logger.LogInfo($"Plugin {PluginInfo.PLUGIN_GUID} is loaded!");
+            
+#if TEST
+			TestRoot.RunTests();
+#endif
+        }
 
-        public override string Name { get; } = Assembly.GetExecutingAssembly().GetName().Name;
-
-        public override string Version { get; } = Assembly.GetExecutingAssembly().GetName().Version.ToString();
-
-        public string HarmonyID { get; } = "org.git.exmods.modtainers.techbloxmoddingapi";
-
-        public override void OnApplicationQuit()
+        private void OnDestroy()
         {
             Main.Shutdown();
         }
 
-		public override void OnApplicationStart()
-		{
-			FileLog.Reset();
-			Harmony.DEBUG = true;
-			Main.Init();
-			Logging.MetaDebugLog($"Version group id {(uint)ApiExclusiveGroups.versionGroup}");
-			// disable background music
-			Logging.MetaDebugLog("Audio Mixers: " + string.Join(",", AudioTools.GetMixers()));
-			//AudioTools.SetVolume(0.0f, "Music"); // The game now sets this from settings again after this is called :(
-
-			//Utility.VersionTracking.Enable();//(very) unstable
-
-			// debug/test handlers
-			Client.EnterMenu += (sender, args) => throw new Exception("Test handler always throws an exception!");
-
-			// debug/test commands
-			if (Dependency.Hell("ExtraCommands"))
-			{
-				CommandBuilder.Builder()
-							  .Name("Exit")
-							  .Description("Close Techblox immediately, without any prompts")
-							  .Action(() => { UnityEngine.Application.Quit(); })
-							  .Build();
-
-				CommandBuilder.Builder()
-							  .Name("SetFOV")
-							  .Description("Set the player camera's field of view")
-							  .Action((float d) => { UnityEngine.Camera.main.fieldOfView = d; })
-							  .Build();
-
-				CommandBuilder.Builder()
-					.Name("MoveLastBlock")
-					.Description("Move the most-recently-placed block, and any connected blocks by the given offset")
-					.Action((float x, float y, float z) =>
-					{
-						if (GameState.IsBuildMode())
-							foreach (var block in Block.GetLastPlacedBlock().GetConnectedCubes())
-								block.Position += new Unity.Mathematics.float3(x, y, z);
-						else
-							Logging.CommandLogError("Blocks can only be moved in Build mode!");
-					}).Build();
-
-				CommandBuilder.Builder()
-							  .Name("PlaceAluminium")
-							  .Description("Place a block of aluminium at the given coordinates")
-							  .Action((float x, float y, float z) =>
-							  {
-								  var block = Block.PlaceNew(BlockIDs.Cube, new float3(x, y, z));
-								  Logging.CommandLog("Block placed with type: " + block.Type);
-							  })
-							  .Build();
-
-				CommandBuilder.Builder()
-					.Name("PlaceAluminiumLots")
-					.Description("Place a lot of blocks of aluminium at the given coordinates")
-					.Action((float x, float y, float z) =>
-					{
-						Logging.CommandLog("Starting...");
-						var sw = Stopwatch.StartNew();
-						for (int i = 0; i < 100; i++)
-							for (int j = 0; j < 100; j++)
-								Block.PlaceNew(BlockIDs.Cube, new float3(x + i, y, z + j));
-						sw.Stop();
-						Logging.CommandLog("Finished in " + sw.ElapsedMilliseconds + "ms");
-					})
-					.Build();
-
-				Block b = null;
-				CommandBuilder.Builder("moveBlockInSim", "Run in build mode first while looking at a block, then in sim to move it up")
-					.Action(() =>
-					{
-						if (b == null)
-						{
-							b = new Player(PlayerType.Local).GetBlockLookedAt();
-							Logging.CommandLog("Block saved: " + b);
-						}
-						else
-							Logging.CommandLog("Block moved to: " + (b.GetSimBody().Position += new float3(0, 2, 0)));
-					}).Build();
-
-				CommandBuilder.Builder("Error", "Throw an error to make sure SimpleCustomCommandEngine's wrapper catches it.")
-					.Action(() => { throw new Exception("Error Command always throws an error"); })
-					.Build();
-
-				CommandBuilder.Builder("ColorBlock",
-						"Change color of the block looked at if there's any.")
-					.Action<string>(str =>
-					{
-						if (!Enum.TryParse(str, out BlockColors color))
-						{
-							Logging.CommandLog("Color " + str + " not found! Interpreting as 4 color values.");
-							var s = str.Split(' ');
-							new Player(PlayerType.Local).GetBlockLookedAt().CustomColor = new float4(float.Parse(s[0]),
-								float.Parse(s[1]), float.Parse(s[2]), float.Parse(s[3]));
-							return;
-						}
-
-						new Player(PlayerType.Local).GetBlockLookedAt().Color = color;
-						Logging.CommandLog("Colored block to " + color);
-
-					}).Build();
-
-				CommandBuilder.Builder("MoveBlockByID", "Gets a block based on its object identifier and teleports it up.")
-					.Action<char>(ch =>
-					{
-						foreach (var body in SimBody.GetFromObjectID(ch))
-						{
-							Logging.CommandLog("SimBody: " + body);
-							body.Position += new float3(0, 10, 0);
-							foreach (var bodyConnectedBody in body.GetConnectedBodies())
-							{
-								Logging.CommandLog("Moving " + bodyConnectedBody);
-								bodyConnectedBody.Position += new float3(0, 10, 0);
-							}
-						}
-					}).Build();
-
-				CommandBuilder.Builder("TestChunkHealth", "Sets the chunk looked at to the given health.")
-					.Action((float val, float max) =>
-					{
-						var body = new Player(PlayerType.Local).GetSimBodyLookedAt();
-						if (body == null) return;
-						body.CurrentHealth = val;
-						body.InitialHealth = max;
-						Logging.CommandLog("Health set to: " + val);
-					}).Build();
-
-				CommandBuilder.Builder("placeBlockGroup", "Places some blocks in a group")
-					.Action((float x, float y, float z) =>
-					{
-						var pos = new float3(x, y, z);
-						var group = BlockGroup.Create(new Block(BlockIDs.Cube, pos) {Color = BlockColors.Aqua});
-						new Block(BlockIDs.Cube, pos += new float3(1, 0, 0))
-							{Color = BlockColors.Blue, BlockGroup = group};
-						new Block(BlockIDs.Cube, pos += new float3(1, 0, 0))
-							{Color = BlockColors.Green, BlockGroup = group};
-						new Block(BlockIDs.Cube, pos + new float3(1, 0, 0))
-							{Color = BlockColors.Lime, BlockGroup = group};
-					}).Build();
-
-				CommandBuilder.Builder("placeCustomBlock", "Places a custom block, needs a custom catalog and assets.")
-					.Action((float x, float y, float z) =>
-					{
-						Logging.CommandLog("Block placed: " +
-						                   Block.PlaceNew((BlockIDs) 500, new float3(0, 0, 0)));
-					}).Build();
-
-				CommandBuilder.Builder("toggleTimeMode", "Enters or exits simulation.")
-					.Action((float x, float y, float z) =>
-					{
-						Game.CurrentGame().ToggleTimeMode();
-					}).Build();
-
-				CommandBuilder.Builder("testColorBlock", "Tests coloring a block to default color")
-					.Action(() => Player.LocalPlayer.GetBlockLookedAt().Color = BlockColors.Default).Build();
-				CommandBuilder.Builder("testMaterialBlock", "Tests materialing a block to default material")
-					.Action(() => Player.LocalPlayer.GetBlockLookedAt().Material = BlockMaterial.Default).Build();
-				CommandBuilder.Builder("testGameName", "Tests changing the game name")
-					.Action(() => Game.CurrentGame().Name = "Test").Build();
-				CommandBuilder.Builder("makeBlockStatic", "Makes a block you look at static")
-					.Action(() => Player.LocalPlayer.GetBlockLookedAt().Static = true).Build();
-
-				Game.AddPersistentDebugInfo("InstalledMods", InstalledMods);
-				Block.Placed += (sender, args) =>
-					Logging.MetaDebugLog("Placed block " + args.Block);
-				Block.Removed += (sender, args) =>
-					Logging.MetaDebugLog("Removed block " + args.Block);
-			}
-
-			// dependency test
-			if (Dependency.Hell("TechbloxScripting", new Version("0.0.1.0")))
-			{
-				Logging.LogWarning("You're in TechbloxScripting dependency hell");
-			}
-			else
-			{
-				Logging.Log("Compatible TechbloxScripting detected");
-			}
-			// Interface test
-			/*Group uiGroup = new Group(new Rect(20, 20, 200, 500), "TechbloxModdingAPI_UITestGroup", true);
-			var button = new Button("TEST");
-			button.OnClick += (b, __) => { Logging.MetaDebugLog($"Click on {((Interface.IMGUI.Button)b).Name}");};
-			var button2 = new Button("TEST2");
-			button2.OnClick += (b, __) => { Logging.MetaDebugLog($"Click on {((Interface.IMGUI.Button)b).Name}");};
-			Text uiText = new Text("<Input!>", multiline: true);
-			uiText.OnEdit += (t, txt) => { Logging.MetaDebugLog($"Text in {((Text)t).Name} is now '{txt}'"); };
-			Label uiLabel = new Label("Label!");
-			Image uiImg = new Image(name:"Behold this texture!");
-			uiImg.Enabled = false;
-			uiGroup.AddElement(button);
-			uiGroup.AddElement(button2);
-			uiGroup.AddElement(uiText);
-			uiGroup.AddElement(uiLabel);
-			uiGroup.AddElement(uiImg);*/
-
-			/*Addressables.LoadAssetAsync<Texture2D>("Assets/Art/Textures/UI/FrontEndMap/RCX_Blue_Background_5k.jpg")
-					.Completed +=
-				handle =>
-				{
-					uiImg.Texture = handle.Result;
-					uiImg.Enabled = true;
-					Logging.MetaDebugLog($"Got blue bg asset {handle.Result}");
-				};*/
-            
-            /*((FasterList<GuiInputMap.GuiInputMapElement>)AccessTools.Property(typeof(GuiInputMap), "GuiInputsButtonDown").GetValue(null))
-	            .Add(new GuiInputMap.GuiInputMapElement(RewiredConsts.Action.ToggleCommandLine, GuiIn))*/
-
-            /*Game.Enter += (sender, e) =>
-            {
-	            ushort lastKey = ushort.MaxValue;
-	            foreach (var kv in FullGameFields._dataDb.GetValues<CubeListData>()
-	                .OrderBy(kv=>ushort.Parse(kv.Key)))
-	            {
-	                var data = (CubeListData) kv.Value;
-	                ushort currentKey = ushort.Parse(kv.Key);
-	                var toReplace = new Dictionary<string, string>
-	                {
-		                {"Scalable", ""}, {"Qtr", "Quarter"}, {"RNeg", "Rounded Negative"},
-		                {"Neg", "Negative"}, {"Tetra", "Tetrahedron"},
-		                {"RWedge", "Rounded Wedge"}, {"RTetra", "Rounded Tetrahedron"}
-	                };
-	                string name = LocalizationService.Localize(data.CubeNameKey).Replace(" ", "");
-	                foreach (var rkv in toReplace)
-	                {
-		                name = Regex.Replace(name, "([^A-Za-z])" + rkv.Key + "([^A-Za-z])", "$1" + rkv.Value + "$2");
-	                }
-	                Console.WriteLine($"{name}{(currentKey != lastKey + 1 ? $" = {currentKey}" : "")},");
-	                lastKey = currentKey;
-	            }
-            };*/
-            /*Game.Enter += (sender, e) =>
-            {
-	            Console.WriteLine("Materials:\n" + FullGameFields._dataDb.GetValues<MaterialPropertiesData>()
-		            .Select(kv => $"{kv.Key}: {((MaterialPropertiesData) kv.Value).Name}")
-		            .Aggregate((a, b) => a + "\n" + b));
-            };*/
-
-            CommandBuilder.Builder("takeScreenshot", "Enables the screenshot taker")
-	            .Action(() =>
-	            {
-		            Game.CurrentGame().EnableScreenshotTaker();
-	            }).Build();
-
-            CommandBuilder.Builder("testPositionDefault", "Tests the Block.Position property's default value.")
-	            .Action(() =>
-	            {
-		            IEnumerator<TaskContract> Loop()
-		            {
-			            for (int i = 0; i < 2; i++)
-			            {
-				            Console.WriteLine("A");
-				            var block = Block.PlaceNew(BlockIDs.Cube, 1);
-				            Console.WriteLine("B");
-				            while (!block.Exists)
-					            yield return Yield.It;
-				            Console.WriteLine("C");
-				            block.Remove();
-				            Console.WriteLine("D");
-				            while (block.Exists)
-					            yield return Yield.It;
-				            Console.WriteLine("E - Pos: " + block.Position);
-				            block.Position = 4;
-				            Console.WriteLine("F - Pos: " + block.Position);
-			            }
-		            }
-
-		            Loop().RunOn(Scheduler.leanRunner);
-	            }).Build();
-#if TEST
-			TestRoot.RunTests();
-#endif
-		}
-
-		private string modsString;
+        private string modsString;
         private string InstalledMods()
         {
-	        if (modsString != null) return modsString;
-	        StringBuilder sb = new StringBuilder("Installed mods:");
-	        foreach (var plugin in PluginManager.Plugins)
-		        sb.Append("\n" + plugin.Name + " - " + plugin.Version);
-	        return modsString = sb.ToString();
-        }
-
-        public override void OnUpdate()
-        {
-	        if (UnityEngine.Input.GetKeyDown(KeyCode.End))
-	        {
-		        Console.WriteLine("Pressed button to toggle console");
-		        FakeInput.CustomInput(new LocalCosmeticInputEntityComponent {commandLineToggleInput = true});
-	        }
-        }
-
-        [HarmonyPatch]
-        public class MinimumSpecsPatch
-        {
-	        public static bool Prefix()
-	        {
-		        return false;
-	        }
-
-	        public static MethodInfo TargetMethod()
-	        {
-		        return ((Action) MinimumSpecsCheck.CheckRequirementsMet).Method;
-	        }
+            if (modsString != null) return modsString;
+            StringBuilder sb = new StringBuilder("Installed mods:");
+            foreach (var (_, plugin) in Chainloader.PluginInfos)
+                sb.Append("\n" + plugin.Metadata.Name + " - " + plugin.Metadata.Version);
+            return modsString = sb.ToString();
         }
     }
-#endif
+
+    [HarmonyPatch]
+    public class MinimumSpecsPatch
+    {
+        public static bool Prefix(ref bool __result)
+        {
+            __result = true;
+            return false;
+        }
+
+        public static MethodInfo TargetMethod()
+        {
+            return ((Func<bool>) MinimumSpecsCheck.CheckRequirementsMet).Method;
+        }
+    }
+    #endif
 }

TechbloxModdingAPI/Tests/TestRoot.cs

@@ -7,7 +7,9 @@ using System.Linq; // welcome to the dark side
 using Svelto.Tasks;
 using Svelto.Tasks.Lean;
 using Svelto.Tasks.Enumerators;
+using Svelto.Tasks.Lean.Unity;
 using UnityEngine;
+
 using TechbloxModdingAPI.App;
 using TechbloxModdingAPI.Tasks;
 using TechbloxModdingAPI.Utility;
@@ -64,7 +66,7 @@ namespace TechbloxModdingAPI.Tests
 			_testsCountPassed = 0;
 			_testsCountFailed = 0;
 			// flow control
-			Game.Enter += (sender, args) => { GameTests().RunOn(RobocraftX.Schedulers.Lean.EveryFrameStepRunner_TimeRunningAndStopped); };
+			Game.Enter += (sender, args) => { GameTests().RunOn(new UpdateMonoRunner("TechbloxModdingAPITestRunner")); };
 			Game.Exit += (s, a) => state = "ReturningFromGame";
 			Client.EnterMenu += (sender, args) =>
 			{
@@ -129,7 +131,7 @@ namespace TechbloxModdingAPI.Tests
 
 		private static IEnumerator<TaskContract> GoToGameTests()
 		{
-			Client app = new Client();
+			Client app = Client.Instance;
 			int oldLength = 0;
 			while (app.MyGames.Length == 0 || oldLength != app.MyGames.Length)
 			{
@@ -137,7 +139,15 @@ namespace TechbloxModdingAPI.Tests
 				yield return new WaitForSecondsEnumerator(1).Continue();
 			}
 			yield return Yield.It;
-			app.MyGames[0].EnterGame();
+			try
+			{
+				app.MyGames[0].EnterGame();
+			}
+			catch (Exception e)
+			{
+				Console.WriteLine("Failed to go to game tests");
+				Console.WriteLine(e);
+			}
 			/*Game newGame = Game.NewGame();
 			yield return new WaitForSecondsEnumerator(5).Continue(); // wait for sync
 			newGame.EnterGame();*/
@@ -157,6 +167,7 @@ namespace TechbloxModdingAPI.Tests
 			};
 			for (var index = 0; index < testTypesToRun.Length; index++)
 			{
+				Logging.MetaLog($"Running test type {testTypesToRun[index]}");
 				foreach (Type t in testTypes)
 				{
 					foreach (MethodBase m in t.GetMethods())
@@ -189,16 +200,26 @@ namespace TechbloxModdingAPI.Tests
 									cont = false;
 								}
 
-								yield return Yield.It;
+								if (cont)
+									yield return enumerator.Current;
 							} while (cont);
 						}
 
-						yield return Yield.It;
+						yield return new WaitForSecondsEnumerator(1f).Continue();
 					}
 				}
 
 				if (index + 1 < testTypesToRun.Length) //Don't toggle on the last test
+				{
+					bool running = currentGame.IsTimeRunning;
 					currentGame.ToggleTimeMode();
+					while (running ? !currentGame.IsTimeStopped : !currentGame.IsTimeRunning)
+					{
+						Logging.MetaLog($"Waiting for time to {(running?"stop":"start")}...");
+						yield return new WaitForSecondsEnumerator(1).Continue();
+					}
+				}
+
 				yield return new WaitForSecondsEnumerator(5).Continue();
 			}
 			// exit game

TechbloxModdingAPI/Utility/Dependency.cs

@@ -1,7 +1,5 @@
 using System;
-
-using IllusionInjector;
-using IllusionPlugin;
+using BepInEx.Bootstrap;
 
 namespace TechbloxModdingAPI.Utility
 {
@@ -15,11 +13,11 @@ namespace TechbloxModdingAPI.Utility
         /// </summary>
         /// <returns>The plugin.</returns>
         /// <param name="name">The plugin's name.</param>
-        public static IPlugin GetPlugin(string name)
+        public static BepInEx.PluginInfo GetPlugin(string name)
 		{
-			foreach(IPlugin plugin in PluginManager.Plugins)
+			foreach(var plugin in Chainloader.PluginInfos.Values)
 			{
-                if (plugin.Name == name)
+                if (plugin.Metadata.Name == name)
 				{
 					return plugin;
 				}
@@ -35,45 +33,15 @@ namespace TechbloxModdingAPI.Utility
         /// <param name="name">The plugin's name.</param>
         public static Version GetPluginVersion(string name)
 		{
-			IPlugin plugin = GetPlugin(name);
+			var plugin = GetPlugin(name);
 			if (plugin != null) {
 				try
 				{
-					return new Version(plugin.Version);
-				} catch (Exception e) when (
-				    e is ArgumentException
-					|| e is ArgumentNullException
-				    || e is ArgumentOutOfRangeException
-					|| e is FormatException
-				    || e is OverflowException) {}
+					return plugin.Metadata.Version;
+				} catch (Exception e) when (e is ArgumentException or FormatException or OverflowException) {}
 				return plugin.GetType().Assembly.GetName().Version;
 			}
 			return null;
 		}
-        
-        // (I'm leaving the auto-generated version)
-        // <summary>
-        // Hell the specified name and version.
-        // </summary>
-        // <returns>The hell.</returns>
-        // <param name="name">Name.</param>
-        // <param name="version">Version.</param>
-        /// <summary>
-        /// Detect if you're in dependency hell with respect to the plugin.
-		/// ie Check if the plugin doesn't exist or is out of date.
-		/// When version is null, this only checks if the plugin exists.
-		/// The version is retrieved using GetPluginVersion(string name).
-        /// </summary>
-        /// <returns>Are you in dependency hell?</returns>
-        /// <param name="name">The plugin's name'</param>
-        /// <param name="version">The target version.</param>
-		public static bool Hell(string name, Version version = null)
-		{
-			Version pluginVersion = GetPluginVersion(name);
-			if (version == null) {
-				return pluginVersion == null;
-			}
-			return (pluginVersion == null || pluginVersion < version);
-		}
     }
 }

TechbloxModdingAPI/Utility/ECS/ManagedApiExtensions.cs

@@ -0,0 +1,75 @@
+using Svelto.ECS;
+using Svelto.ECS.Hybrid;
+
+namespace TechbloxModdingAPI.Utility.ECS
+{
+    public static class ManagedApiExtensions
+    {
+        /// <summary>
+        /// Attempts to query an entity and returns an optional that contains the result if succeeded.
+        /// <b>This overload does not take initializer data into account.</b>
+        /// </summary>
+        /// <param name="entitiesDB">The entities DB</param>
+        /// <param name="egid">The EGID to query</param>
+        /// <typeparam name="T">The component type to query</typeparam>
+        /// <returns>An optional that contains the result on success or is empty if not found</returns>
+        public static OptionalRef<T> QueryEntityOptional<T>(this EntitiesDB entitiesDB, EGID egid)
+            where T : struct, IEntityViewComponent
+        {
+            return entitiesDB.TryQueryEntitiesAndIndex<T>(egid, out uint index, out var array)
+                ? new OptionalRef<T>(array, index)
+                : new OptionalRef<T>();
+        }
+
+        /// <summary>
+        /// Attempts to query an entity and returns the result in an optional reference.
+        /// </summary>
+        /// <param name="entitiesDB">The entities DB to query from</param>
+        /// <param name="obj">The ECS object to query</param>
+        /// <param name="group">The group of the entity if the object can have multiple</param>
+        /// <typeparam name="T">The component to query</typeparam>
+        /// <returns>A reference to the component or a dummy value</returns>
+        public static OptionalRef<T> QueryEntityOptional<T>(this EntitiesDB entitiesDB, EcsObjectBase obj,
+            ExclusiveGroupStruct group = default)
+            where T : struct, IEntityViewComponent
+        {
+            EGID id = group == ExclusiveGroupStruct.Invalid ? obj.Id : new EGID(obj.Id.entityID, group);
+            var opt = QueryEntityOptional<T>(entitiesDB, id);
+            return opt ? opt : new OptionalRef<T>(obj, false);
+        }
+
+        /// <summary>
+        /// Attempts to query an entity and returns the result or a dummy value that can be modified.
+        /// </summary>
+        /// <param name="entitiesDB">The entities DB to query from</param>
+        /// <param name="obj">The ECS object to query</param>
+        /// <param name="group">The group of the entity if the object can have multiple</param>
+        /// <typeparam name="T">The component to query</typeparam>
+        /// <returns>A reference to the component or a dummy value</returns>
+        public static ref T QueryEntityOrDefault<T>(this EntitiesDB entitiesDB, EcsObjectBase obj,
+            ExclusiveGroupStruct group = default)
+            where T : struct, IEntityViewComponent
+        {
+            EGID id = group == ExclusiveGroupStruct.Invalid ? obj.Id : new EGID(obj.Id.entityID, group);
+            var opt = QueryEntityOptional<T>(entitiesDB, id);
+            if (opt) return ref opt.Get();
+            if (obj.InitData.Valid) return ref obj.InitData.Initializer(id).GetOrAdd<T>();
+            return ref opt.Get(); //Default value
+        }
+
+        /// <summary>
+        /// Query entities as OptionalRefs. The elements always exist, it's just a nice way to encapsulate the data.
+        /// </summary>
+        /// <param name="entitiesDB"></param>
+        /// <param name="group"></param>
+        /// <param name="select"></param>
+        /// <typeparam name="T"></typeparam>
+        /// <typeparam name="TR"></typeparam>
+        /// <returns></returns>
+        public static RefCollection<T> QueryEntitiesOptional<T>(this EntitiesDB entitiesDB, ExclusiveGroupStruct group) where T : struct, IEntityViewComponent
+        {
+            var (buffer, ids, count) = entitiesDB.QueryEntities<T>(group);
+            return new RefCollection<T>(count, buffer, ids, group);
+        }
+    }
+}

TechbloxModdingAPI/Utility/ECS/NativeApiExtensions.EntitiesDBHelper.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Reflection;
+using HarmonyLib;
+using Svelto.DataStructures;
+using Svelto.ECS;
+
+namespace TechbloxModdingAPI.Utility.ECS
+{
+    public static partial class NativeApiExtensions
+    {
+        [SuppressMessage("ReSharper", "StaticMemberInGenericType")]
+        private static class EntitiesDBHelper<T> where T : unmanaged, IEntityComponent
+        { // Each type gets a new set of fields here (that's what the ReSharper warning is about too)
+            public static readonly Lazy<MethodInfo> EntityStream =
+                new(() => AccessTools.PropertyGetter(typeof(EntitiesDB), "_entityStream"));
+
+            public static readonly Lazy<FieldInfo> Streams = new(() =>
+                AccessTools.Field(EntityStream.Value.ReturnType, "_streams"));
+
+            public static readonly Lazy<FieldInfo> Consumers = new(() =>
+                AccessTools.Field(typeof(EntityStream<T>), "_consumers"));
+
+            public static readonly Lazy<MethodInfo> TryGetValue =
+                new(AccessTools.Method(Streams.Value.FieldType, "TryGetValue"));
+
+            public static readonly Lazy<FieldInfo> RingBuffer =
+                new(() => AccessTools.Field(typeof(Consumer<T>), "_ringBuffer"));
+        }
+
+        private static EntityStream<T> GetEntityStream<T>(this EntitiesDB entitiesDB) where T : unmanaged, IEntityComponent
+        {
+            // EntitiesStreams (internal)
+            var entitiesStreams = EntitiesDBHelper<T>.EntityStream.Value.Invoke(entitiesDB, Array.Empty<object>());
+            // FasterDictionary<RefWrapperType, ITypeSafeStream> (interface is internal)
+            var streams = EntitiesDBHelper<T>.Streams.Value.GetValue(entitiesStreams);
+            
+            var parameters = new object[] { TypeRefWrapper<T>.wrapper, null };
+            var success = EntitiesDBHelper<T>.TryGetValue.Value.Invoke(streams, parameters);
+            if (!(bool)success)
+                return null; // There is no entity stream for this type
+            return (EntityStream<T>)parameters[1];
+        }
+        
+        private static ThreadSafeFasterList<Consumer<T>> GetConsumers<T>(this EntityStream<T> stream) where T : unmanaged, IEntityComponent
+        {
+            return (ThreadSafeFasterList<Consumer<T>>)EntitiesDBHelper<T>.Consumers.Value.GetValue(stream);
+        }
+
+        private static RingBuffer<(T, EGID)> GetRingBuffer<T>(this Consumer<T> consumer) where T : unmanaged, IEntityComponent
+        {
+            return (RingBuffer<(T, EGID)>)EntitiesDBHelper<T>.RingBuffer.Value.GetValue(consumer);
+        }
+    }
+}

TechbloxModdingAPI/Utility/ECS/NativeApiExtensions.cs

@@ -0,0 +1,129 @@
+using System;
+using System.Collections.Generic;
+using Svelto.DataStructures;
+using Svelto.ECS;
+using Svelto.Tasks;
+using Svelto.Tasks.Lean;
+using TechbloxModdingAPI.Tasks;
+
+namespace TechbloxModdingAPI.Utility.ECS
+{
+    public static partial class NativeApiExtensions
+    {
+        /// <summary>
+        /// Attempts to query an entity and returns an optional that contains the result if succeeded.
+        /// <b>This overload does not take initializer data into account.</b>
+        /// </summary>
+        /// <param name="entitiesDB">The entities DB</param>
+        /// <param name="egid">The EGID to query</param>
+        /// <typeparam name="T">The component type to query</typeparam>
+        /// <returns>An optional that contains the result on success or is empty if not found</returns>
+        public static OptionalRef<T> QueryEntityOptional<T>(this EntitiesDB entitiesDB, EGID egid)
+            where T : unmanaged, IEntityComponent
+        {
+            return entitiesDB.TryQueryEntitiesAndIndex<T>(egid, out uint index, out var array)
+                ? new OptionalRef<T>(array, index)
+                : new OptionalRef<T>();
+        }
+
+        /// <summary>
+        /// Attempts to query an entity and returns the result in an optional reference.
+        /// </summary>
+        /// <param name="entitiesDB">The entities DB to query from</param>
+        /// <param name="obj">The ECS object to query</param>
+        /// <param name="group">The group of the entity if the object can have multiple</param>
+        /// <typeparam name="T">The component to query</typeparam>
+        /// <returns>A reference to the component or a dummy value</returns>
+        public static OptionalRef<T> QueryEntityOptional<T>(this EntitiesDB entitiesDB, EcsObjectBase obj,
+            ExclusiveGroupStruct group = default)
+            where T : unmanaged, IEntityComponent
+        {
+            EGID id = group == ExclusiveGroupStruct.Invalid ? obj.Id : new EGID(obj.Id.entityID, group);
+            var opt = QueryEntityOptional<T>(entitiesDB, id);
+            return opt ? opt : new OptionalRef<T>(obj, true);
+        }
+
+        /// <summary>
+        /// Attempts to query an entity and returns the result or a dummy value that can be modified.
+        /// </summary>
+        /// <param name="entitiesDB">The entities DB to query from</param>
+        /// <param name="obj">The ECS object to query</param>
+        /// <param name="group">The group of the entity if the object can have multiple</param>
+        /// <typeparam name="T">The component to query</typeparam>
+        /// <returns>A reference to the component or a dummy value</returns>
+        public static ref T QueryEntityOrDefault<T>(this EntitiesDB entitiesDB, EcsObjectBase obj,
+            ExclusiveGroupStruct group = default)
+            where T : unmanaged, IEntityComponent
+        {
+            EGID id = group == ExclusiveGroupStruct.Invalid ? obj.Id : new EGID(obj.Id.entityID, group);
+            var opt = QueryEntityOptional<T>(entitiesDB, id);
+            if (opt) return ref opt.Get();
+            if (obj.InitData.Valid) return ref obj.InitData.Initializer(id).GetOrAdd<T>();
+            /*if (!obj.InitData.Valid) return ref opt.Get(); //Default value
+            var init = obj.InitData.Initializer(id);
+            // Do not create the component if missing, as that can trigger Add() listeners that, in some cases, may be
+            // invalid if (ab)using the classes in an unusual way - TODO: Check entity descriptor or something
+            if (init.Has<T>()) return ref init.Get<T>();*/
+            return ref opt.Get(); //Default value
+        }
+
+        /// <summary>
+        /// Publishes an entity change, ignoring duplicate publishes and delaying changes as necessary.
+        /// It will only publish in the next frame.
+        /// </summary>
+        /// <param name="entitiesDB">The entities DB to publish to</param>
+        /// <param name="id">The ECS object that got changed</param>
+        /// <typeparam name="T">The component that changed</typeparam>
+        public static void PublishEntityChangeDelayed<T>(this EntitiesDB entitiesDB, EGID id)
+            where T : unmanaged, IEntityComponent
+        {
+            PublishChanges<T>(entitiesDB, id).RunOn(Scheduler.leanRunner);
+        }
+
+        private static IEnumerator<TaskContract> PublishChanges<T>(EntitiesDB entitiesDB, EGID id)
+            where T : unmanaged, IEntityComponent
+        {
+            yield return Yield.It;
+            var entityStream = entitiesDB.GetEntityStream<T>();
+            if (entityStream is null)
+                yield break; // There is no entity stream for this type
+            var consumers = entityStream.GetConsumers();
+            if (consumers == null)
+            {
+                Console.WriteLine("Consumers is null");
+                yield break;
+            }
+
+            bool waitForConsumers;
+            do
+            {
+                waitForConsumers = false;
+                for (int i = 0; i < consumers.count; i++)
+                {
+                    var buffer = consumers[i].GetRingBuffer();
+                    if (buffer.Count + 1 <= buffer.Capacity) continue;
+                    waitForConsumers = true;
+                    break;
+                }
+
+                if (waitForConsumers) yield return Yield.It;
+            } while (waitForConsumers);
+            entitiesDB.PublishEntityChange<T>(id);
+        }
+
+        /// <summary>
+        /// Query entities as OptionalRefs. The elements always exist, it's just a nice way to encapsulate the data.
+        /// </summary>
+        /// <param name="entitiesDB"></param>
+        /// <param name="group"></param>
+        /// <param name="select"></param>
+        /// <typeparam name="T"></typeparam>
+        /// <typeparam name="TR"></typeparam>
+        /// <returns></returns>
+        public static RefCollection<T> QueryEntitiesOptional<T>(this EntitiesDB entitiesDB, ExclusiveGroupStruct group) where T : unmanaged, IEntityComponent
+        {
+            var (buffer, ids, count) = entitiesDB.QueryEntities<T>(group);
+            return new RefCollection<T>(count, buffer, ids, group);
+        }
+    }
+}

TechbloxModdingAPI/Utility/ExceptionUtil.cs

@@ -1,43 +0,0 @@
-using System;
-using TechbloxModdingAPI.Events;
-
-namespace TechbloxModdingAPI.Utility
-{
-    public static class ExceptionUtil
-    {
-        /// <summary>
-        /// Invokes an event with a null-check.
-        /// </summary>
-        /// <param name="handler">The event to emit, can be null</param>
-        /// <param name="sender">Event sender</param>
-        /// <param name="args">Event arguments</param>
-        /// <typeparam name="T">Type of the event arguments</typeparam>
-        public static void InvokeEvent<T>(EventHandler<T> handler, object sender, T args)
-        {
-            handler?.Invoke(sender, args);
-        }
-
-        /// <summary>
-        /// Wraps the event handler in a try-catch block to avoid propagating exceptions.
-        /// </summary>
-        /// <param name="handler">The handler to wrap (not null)</param>
-        /// <typeparam name="T">Type of the event arguments</typeparam>
-        /// <returns>The wrapped handler</returns>
-        public static EventHandler<T> WrapHandler<T>(EventHandler<T> handler)
-        {
-            return (sender, e) =>
-            {
-                try
-                {
-                    handler(sender, e);
-                }
-                catch (Exception e1)
-                {
-                    EventRuntimeException wrappedException =
-                        new EventRuntimeException($"EventHandler with arg type {typeof(T).Name} threw an exception", e1);
-                    Logging.LogWarning(wrappedException.ToString());
-                }
-            };
-        }
-    }
-}

TechbloxModdingAPI/Utility/FullGameFields.cs

@@ -1,20 +1,14 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-using DataLoader;
+using DataLoader;
 using HarmonyLib;
 using RobocraftX;
-using RobocraftX.Common.Utilities;
+using RobocraftX.CR.MainGame;
 using RobocraftX.GUI;
 using RobocraftX.Multiplayer;
-using RobocraftX.Rendering;
 using Svelto.Context;
 using Svelto.DataStructures;
 using Svelto.ECS;
-using Svelto.ECS.Schedulers;
+using Svelto.ECS.GUI;
+using Techblox.GameSelection;
 using UnityEngine;
 using Unity.Entities;
 using Unity.Physics.Systems;
@@ -72,14 +66,6 @@ namespace TechbloxModdingAPI.Utility
 			}
 		}
 
-		public static SimpleEntitiesSubmissionScheduler _mainGameSubmissionScheduler
-		{
-			get
-			{
-				return (SimpleEntitiesSubmissionScheduler)fgcr?.Field("_sub").Field("_mainGameSubmissionScheduler").GetValue();
-			}
-		}
-
 		public static BuildPhysicsWorld _physicsWorldSystem
 		{
 			get
@@ -112,14 +98,6 @@ namespace TechbloxModdingAPI.Utility
 			}
 		}
 
-		public static PhysicsUtility _physicsUtility
-		{
-			get
-			{
-				return (PhysicsUtility)fgcr?.Field("_physicsUtility").GetValue();
-			}
-		}
-
 		/*public static UnityEntitySubmissionScheduler _frontEndSubmissionScheduler
 		{
 			get
@@ -144,11 +122,11 @@ namespace TechbloxModdingAPI.Utility
 			}
 		}
 
-		public static ECSGameObjectResourceManager _eCsGameObjectResourceManager
+		public static ECSMainGameResourceManagers _managers
 		{
 			get
 			{
-				return (ECSGameObjectResourceManager)fgcr?.Field("_eCsGameObjectResourceManager").GetValue();
+				return (ECSMainGameResourceManagers)fgcr?.Field("_gameManagers").GetValue();
 			}
 		}
 
@@ -168,6 +146,22 @@ namespace TechbloxModdingAPI.Utility
 			}
 		}
 
+		public static SveltoGUI _frontEndGUI
+		{
+			get
+			{
+				return (SveltoGUI)fgcr?.Field("_frontEndGUI").GetValue();
+			}
+		}
+
+		public static GameSelectionData _gameSelectionData
+		{
+			get
+			{
+				return (GameSelectionData)fgcr?.Field("_gameSelectionData").GetValue();
+			}
+		}
+
 		private static Traverse fgcr;
 
 		public static void Init(FullGameCompositionRoot instance)

TechbloxModdingAPI/Utility/GameEngineManager.cs

@@ -1,8 +1,5 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 using RobocraftX.StateSync;
 using Svelto.ECS;
@@ -26,10 +23,10 @@ namespace TechbloxModdingAPI.Utility
             {
 				Logging.MetaDebugLog($"Registering Game IApiEngine {engine.Name}");
                 _lastEngineRoot.AddEngine(engine);
-				if (typeof(IFactoryEngine).IsAssignableFrom(engine.GetType()))
-                {
-					((IFactoryEngine)engine).Factory = _lastEngineRoot.GenerateEntityFactory();
-                }
+				if (engine is IFactoryEngine factoryEngine)
+                    factoryEngine.Factory = _lastEngineRoot.GenerateEntityFactory();
+                if (engine is IFunEngine funEngine)
+                    funEngine.Functions = _lastEngineRoot.GenerateEntityFunctions();
             }
         }
 
@@ -66,6 +63,7 @@ namespace TechbloxModdingAPI.Utility
             var enginesRoot = helper.enginesRoot;
 			_lastEngineRoot = enginesRoot;
             IEntityFactory factory = enginesRoot.GenerateEntityFactory();
+            IEntityFunctions functions = enginesRoot.GenerateEntityFunctions();
             foreach (var key in _gameEngines.Keys)
             {
                 Logging.MetaDebugLog($"Registering Game IApiEngine {_gameEngines[key].Name}");
@@ -75,6 +73,8 @@ namespace TechbloxModdingAPI.Utility
                     enginesRoot.AddEngine(_gameEngines[key]);
                 if (_gameEngines[key] is IFactoryEngine factEngine)
                     factEngine.Factory = factory;
+                if (_gameEngines[key] is IFunEngine funEngine)
+                    funEngine.Functions = functions;
             }
         }
     }

TechbloxModdingAPI/Utility/Logging.cs

@@ -163,7 +163,7 @@ namespace TechbloxModdingAPI.Utility
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static void CommandLog(string msg)
         {
-            uREPL.Log.Output(msg);
+            Log(msg);
         }
 
         /// <summary>
@@ -179,7 +179,7 @@ namespace TechbloxModdingAPI.Utility
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static void CommandLogError(string msg)
         {
-            uREPL.Log.Error(msg);
+            LogError(msg);
         }
 
         /// <summary>
@@ -195,7 +195,7 @@ namespace TechbloxModdingAPI.Utility
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static void CommandLogWarning(string msg)
         {
-            uREPL.Log.Warn(msg);
+            LogWarning(msg);
         }
 
     }

TechbloxModdingAPI/Utility/ManagedApiExtensions.cs

@@ -1,55 +0,0 @@
-using Svelto.ECS;
-using Svelto.ECS.Hybrid;
-using TechbloxModdingAPI.Blocks;
-
-namespace TechbloxModdingAPI.Utility
-{
-    public static class ManagedApiExtensions
-    {
-        /// <summary>
-        /// Attempts to query an entity and returns an optional that contains the result if succeeded.
-        /// <b>This overload does not take initializer data into account.</b>
-        /// </summary>
-        /// <param name="entitiesDB">The entities DB</param>
-        /// <param name="egid">The EGID to query</param>
-        /// <typeparam name="T">The component type to query</typeparam>
-        /// <returns>An optional that contains the result on success or is empty if not found</returns>
-        public static OptionalRef<T> QueryEntityOptional<T>(this EntitiesDB entitiesDB, EGID egid)
-            where T : struct, IEntityViewComponent
-        {
-            return entitiesDB.TryQueryEntitiesAndIndex<T>(egid, out uint index, out var array)
-                ? new OptionalRef<T>(array, index)
-                : new OptionalRef<T>(); 
-        }
-
-        /// <summary>
-        /// Attempts to query an entity and returns the result or a dummy value that can be modified.
-        /// </summary>
-        /// <param name="entitiesDB"></param>
-        /// <param name="obj"></param>
-        /// <typeparam name="T"></typeparam>
-        /// <returns></returns>
-        public static OptionalRef<T> QueryEntityOptional<T>(this EntitiesDB entitiesDB, EcsObjectBase obj)
-            where T : struct, IEntityViewComponent
-        {
-            var opt = QueryEntityOptional<T>(entitiesDB, obj.Id);
-            return opt ? opt : new OptionalRef<T>(obj, true);
-        }
-
-        /// <summary>
-        /// Attempts to query an entity and returns the result or a dummy value that can be modified.
-        /// </summary>
-        /// <param name="entitiesDB"></param>
-        /// <param name="obj"></param>
-        /// <typeparam name="T"></typeparam>
-        /// <returns></returns>
-        public static ref T QueryEntityOrDefault<T>(this EntitiesDB entitiesDB, EcsObjectBase obj)
-            where T : struct, IEntityViewComponent
-        {
-            var opt = QueryEntityOptional<T>(entitiesDB, obj.Id);
-            if (opt) return ref opt.Get();
-            if (obj.InitData.Valid) return ref obj.InitData.Initializer(obj.Id).GetOrCreate<T>();
-            return ref opt.Get(); //Default value
-        }
-    }
-}

TechbloxModdingAPI/Utility/MenuEngineManager.cs

@@ -26,10 +26,10 @@ namespace TechbloxModdingAPI.Utility
             {
 				Logging.MetaDebugLog($"Registering Menu IApiEngine {engine.Name}");
                 _lastEngineRoot.AddEngine(engine);
-				if (typeof(IFactoryEngine).IsAssignableFrom(engine.GetType()))
-                {
-					((IFactoryEngine)engine).Factory = _lastEngineRoot.GenerateEntityFactory();
-                }
+				if (engine is IFactoryEngine factoryEngine)
+                    factoryEngine.Factory = _lastEngineRoot.GenerateEntityFactory();
+                if (engine is IFunEngine funEngine)
+                    funEngine.Functions = _lastEngineRoot.GenerateEntityFunctions();
             }
         }
 
@@ -65,14 +65,13 @@ namespace TechbloxModdingAPI.Utility
         {
 			_lastEngineRoot = enginesRoot;
 			IEntityFactory factory = enginesRoot.GenerateEntityFactory();
+            IEntityFunctions functions = enginesRoot.GenerateEntityFunctions();
             foreach (var key in _menuEngines.Keys)
             {
                 Logging.MetaDebugLog($"Registering Menu IApiEngine {_menuEngines[key].Name}");
                 enginesRoot.AddEngine(_menuEngines[key]);
-				if (_menuEngines[key] is IFactoryEngine factEngine)
-				{
-					factEngine.Factory = factory;
-				}
+				if (_menuEngines[key] is IFactoryEngine factEngine) factEngine.Factory = factory;
+                if(_menuEngines[key] is IFunEngine funEngine) funEngine.Functions = functions;
             }
         }
     }

TechbloxModdingAPI/Utility/NativeApiExtensions.cs

@@ -1,53 +0,0 @@
-using Svelto.ECS;
-
-namespace TechbloxModdingAPI.Utility
-{
-    public static class NativeApiExtensions
-    {
-        /// <summary>
-        /// Attempts to query an entity and returns an optional that contains the result if succeeded.
-        /// <b>This overload does not take initializer data into account.</b>
-        /// </summary>
-        /// <param name="entitiesDB">The entities DB</param>
-        /// <param name="egid">The EGID to query</param>
-        /// <typeparam name="T">The component type to query</typeparam>
-        /// <returns>An optional that contains the result on success or is empty if not found</returns>
-        public static OptionalRef<T> QueryEntityOptional<T>(this EntitiesDB entitiesDB, EGID egid)
-            where T : unmanaged, IEntityComponent
-        {
-            return entitiesDB.TryQueryEntitiesAndIndex<T>(egid, out uint index, out var array)
-                ? new OptionalRef<T>(array, index)
-                : new OptionalRef<T>(); 
-        }
-
-        /// <summary>
-        /// Attempts to query an entity and returns the result or a dummy value that can be modified.
-        /// </summary>
-        /// <param name="entitiesDB"></param>
-        /// <param name="obj"></param>
-        /// <typeparam name="T"></typeparam>
-        /// <returns></returns>
-        public static OptionalRef<T> QueryEntityOptional<T>(this EntitiesDB entitiesDB, EcsObjectBase obj)
-            where T : unmanaged, IEntityComponent
-        {
-            var opt = QueryEntityOptional<T>(entitiesDB, obj.Id);
-            return opt ? opt : new OptionalRef<T>(obj, true);
-        }
-
-        /// <summary>
-        /// Attempts to query an entity and returns the result or a dummy value that can be modified.
-        /// </summary>
-        /// <param name="entitiesDB"></param>
-        /// <param name="obj"></param>
-        /// <typeparam name="T"></typeparam>
-        /// <returns></returns>
-        public static ref T QueryEntityOrDefault<T>(this EntitiesDB entitiesDB, EcsObjectBase obj)
-            where T : unmanaged, IEntityComponent
-        {
-            var opt = QueryEntityOptional<T>(entitiesDB, obj.Id);
-            if (opt) return ref opt.Get();
-            if (obj.InitData.Valid) return ref obj.InitData.Initializer(obj.Id).GetOrCreate<T>();
-            return ref opt.Get(); //Default value
-        }
-    }
-}

TechbloxModdingAPI/Utility/OptionalRef.cs

@@ -1,12 +1,12 @@
 using System;
-using System.Runtime.InteropServices;
 using Svelto.DataStructures;
 using Svelto.ECS;
 
 namespace TechbloxModdingAPI.Utility
 {
-    public ref struct OptionalRef<T> where T : struct, IEntityComponent
+    public ref struct OptionalRef<T> where T : struct, IBaseEntityComponent
     {
+        private readonly EGID entityId;
         private readonly State state;
         private readonly uint index;
         private NB<T> array;
@@ -14,19 +14,22 @@ namespace TechbloxModdingAPI.Utility
         private readonly EntityInitializer initializer;
         //The possible fields are: (index && (array || managedArray)) || initializer
 
-        public OptionalRef(NB<T> array, uint index)
+        public OptionalRef(NB<T> array, uint index, EGID entityId = default)
         {
             state = State.Native;
             this.array = array;
             this.index = index;
+            this.entityId = entityId;
             initializer = default;
+            managedArray = default;
         }
 
-        public OptionalRef(MB<T> array, uint index)
+        public OptionalRef(MB<T> array, uint index, EGID entityId = default)
         {
             state = State.Managed;
             managedArray = array;
             this.index = index;
+            this.entityId = entityId;
             initializer = default;
             this.array = default;
         }
@@ -36,8 +39,9 @@ namespace TechbloxModdingAPI.Utility
         /// </summary>
         /// <param name="obj">The object with the initializer</param>
         /// <param name="unmanaged">Whether the struct is unmanaged</param>
-        public OptionalRef(EcsObjectBase obj, bool unmanaged)
+        public OptionalRef(EcsObjectBase obj, bool unmanaged, EGID entityId = default)
         {
+            this.entityId = entityId;
             if (obj.InitData.Valid)
             {
                 initializer = obj.InitData.Initializer(obj.Id);
@@ -50,6 +54,7 @@ namespace TechbloxModdingAPI.Utility
             }
             array = default;
             index = default;
+            managedArray = default;
         }
 
         /// <summary>
@@ -60,17 +65,34 @@ namespace TechbloxModdingAPI.Utility
         {
             CompRefCache.Default = default; //The default value can be changed by mods
             if (state == State.Empty) return ref CompRefCache.Default;
-            if ((state & State.Initializer) != State.Empty) return ref initializer.GetOrCreate<T>();
+            if ((state & State.Initializer) != State.Empty) return ref initializer.GetOrAdd<T>();
             if ((state & State.Native) != State.Empty) return ref array[index];
             return ref managedArray[index];
         }
 
+        /// <summary>
+        /// A non-by-ref view that allows getting and setting the value.
+        /// </summary>
+        public T Value
+        {
+            get => Get();
+            set => Get() = value;
+        }
+
+        /// <summary>
+        /// The ID of the entity this component belongs to or default if it doesn't exist.
+        /// </summary>
+        public EGID EGID => entityId;
+
         public bool Exists => state != State.Empty;
+        public T? Nullable() => this ? Get() : default;
 
         public static implicit operator T(OptionalRef<T> opt) => opt.Get();
 
         public static implicit operator bool(OptionalRef<T> opt) => opt.state != State.Empty;
 
+        public static implicit operator EGID(OptionalRef<T> opt) => opt.entityId;
+
         /// <summary>
         /// Creates an instance of a struct T that can be referenced.
         /// </summary>

TechbloxModdingAPI/Utility/RefCollection.cs

@@ -0,0 +1,94 @@
+using System;
+using Svelto.DataStructures;
+using Svelto.ECS;
+using Svelto.ECS.Hybrid;
+using Svelto.ECS.Internal;
+
+namespace TechbloxModdingAPI.Utility
+{
+    public readonly ref struct RefCollection<T> where T : struct, IBaseEntityComponent
+    {
+        private readonly bool managed;
+        private readonly int count;
+        private readonly NB<T> nativeArray;
+        private readonly MB<T> managedArray;
+        private readonly NativeEntityIDs nativeIDs;
+        private readonly ManagedEntityIDs managedIDs;
+        private readonly ExclusiveGroupStruct group;
+
+        public RefCollection(int count, MB<T> managedArray, ManagedEntityIDs managedIDs, ExclusiveGroupStruct group)
+        {
+            this.count = count;
+            this.managedArray = managedArray;
+            this.managedIDs = managedIDs;
+            this.group = group;
+            managed = true;
+            nativeArray = default;
+            nativeIDs = default;
+        }
+
+        public RefCollection(int count, NB<T> nativeArray, NativeEntityIDs nativeIDs, ExclusiveGroupStruct group)
+        {
+            this.count = count;
+            this.nativeArray = nativeArray;
+            this.nativeIDs = nativeIDs;
+            this.group = group;
+            managed = false;
+            managedArray = default;
+            managedIDs = default;
+        }
+
+        public Enumerator GetEnumerator() => new(this);
+        
+        /// <summary>
+        /// The amount of items in the collection.
+        /// </summary>
+        public int Count => count;
+
+        public T[] ToArray() => ToArray(a => a.Component);
+
+        public TA[] ToArray<TA>(Func<(T Component, EGID ID), TA> transformFunction, Predicate<(T Component, EGID ID)> predicateFunction = null)
+        {
+            var result = new TA[Count];
+            int i = 0;
+            foreach (var opt in this)
+            {
+                if (predicateFunction != null && !predicateFunction((opt.Get(), opt.EGID))) continue;
+                result[i] = transformFunction((opt.Get(), opt.EGID));
+                i++;
+            }
+
+            return result;
+        }
+
+        public ref struct Enumerator
+        {
+            private RefCollection<T> coll;
+            private int index;
+
+            public Enumerator(RefCollection<T> collection)
+            {
+                index = -1;
+                coll = collection;
+            }
+
+            public OptionalRef<T> Current
+            {
+                get
+                {
+                    if (coll.count <= index && index >= 0) return default;
+                    if (coll.managed)
+                        return new OptionalRef<T>(coll.managedArray, (uint)index,
+                            new EGID(coll.managedIDs[index], coll.group));
+                    return new OptionalRef<T>(coll.nativeArray, (uint)index,
+                        new EGID(coll.nativeIDs[index], coll.group));
+                }
+            }
+
+            public bool MoveNext()
+            {
+                return ++index < coll.count;
+            }
+        }
+    }
+}

TechbloxModdingAPI/Utility/WeakDictionary.cs

@@ -0,0 +1,105 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace TechbloxModdingAPI.Utility
+{
+    public class WeakDictionary<TKey, TValue> : IDictionary<TKey, TValue> where TValue : class
+    {
+        private readonly Dictionary<TKey, WeakReference<TValue>> _dictionary = new();
+
+        public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator()
+        {
+            using var enumerator = _dictionary.GetEnumerator();
+            while (enumerator.MoveNext())
+            {
+                if (enumerator.Current.Value.TryGetTarget(out var value))
+                    yield return new KeyValuePair<TKey, TValue>(enumerator.Current.Key, value);
+            }
+        }
+
+        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
+        public void Add(KeyValuePair<TKey, TValue> item) => Add(item.Key, item.Value);
+        public void Clear() => _dictionary.Clear();
+        public bool Contains(KeyValuePair<TKey, TValue> item) =>
+            TryGetValue(item.Key, out var value) && item.Value == value;
+        public void CopyTo(KeyValuePair<TKey, TValue>[] array, int arrayIndex) =>
+            throw new System.NotImplementedException();
+        public bool Remove(KeyValuePair<TKey, TValue> item) => Contains(item) && Remove(item.Key);
+        public int Count => _dictionary.Count;
+        public bool IsReadOnly => false;
+        public bool ContainsKey(TKey key) => TryGetValue(key, out _);
+        public void Add(TKey key, TValue value) => _dictionary.Add(key, new WeakReference<TValue>(value));
+        public bool Remove(TKey key) => _dictionary.Remove(key);
+
+        public bool TryGetValue(TKey key, out TValue value)
+        {
+            value = null;
+            bool ret = _dictionary.TryGetValue(key, out var reference) && reference.TryGetTarget(out value);
+            if (!ret) _dictionary.Remove(key);
+            return ret;
+        }
+
+        public TValue this[TKey key]
+        {
+            get => TryGetValue(key, out var value)
+                ? value
+                : throw new KeyNotFoundException($"Key {key} not found in WeakDictionary.");
+            set => _dictionary[key] = new WeakReference<TValue>(value);
+        }
+
+        public ICollection<TKey> Keys => new KeyCollection(this);
+        public ICollection<TValue> Values => new ValueCollection(this);
+
+        public class KeyCollection : ICollection<TKey>, IReadOnlyCollection<TKey>
+        {
+            private readonly WeakDictionary<TKey, TValue> _dictionary;
+            internal KeyCollection(WeakDictionary<TKey, TValue> dictionary)
+            {
+                _dictionary = dictionary;
+            }
+
+            public IEnumerator<TKey> GetEnumerator()
+            {
+                using var enumerator = _dictionary.GetEnumerator();
+                while (enumerator.MoveNext())
+                    yield return enumerator.Current.Key;
+            }
+            
+            IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
+            public void Add(TKey item) => throw new NotSupportedException("The key collection is read only.");
+            public void Clear() => throw new NotSupportedException("The key collection is read only.");
+            public bool Contains(TKey item) => _dictionary.ContainsKey(item);
+            public void CopyTo(TKey[] array, int arrayIndex) => throw new NotImplementedException();
+            public bool Remove(TKey item) => throw new NotSupportedException("The key collection is read only.");
+            public int Count => _dictionary.Count;
+            public bool IsReadOnly => true;
+        }
+
+        public class ValueCollection : ICollection<TValue>, IReadOnlyCollection<TValue>
+        {
+            private readonly WeakDictionary<TKey, TValue> _dictionary;
+            internal ValueCollection(WeakDictionary<TKey, TValue> dictionary)
+            {
+                _dictionary = dictionary;
+            }
+
+            public IEnumerator<TValue> GetEnumerator()
+            {
+                using var enumerator = _dictionary.GetEnumerator();
+                while (enumerator.MoveNext())
+                    yield return enumerator.Current.Value;
+            }
+
+            IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
+            public void Add(TValue item) => throw new NotSupportedException("The value collection is read only.");
+            public void Clear() => throw new NotSupportedException("The value collection is read only.");
+            public bool Contains(TValue item) => _dictionary.Any(kv => kv.Value == item);
+            public void CopyTo(TValue[] array, int arrayIndex) => throw new NotImplementedException();
+            public bool Remove(TValue item) => throw new NotSupportedException("The value collection is read only.");
+            public int Count => _dictionary.Count;
+            public bool IsReadOnly => true;
+        }
+    }
+}

TechbloxModdingAPI/Utility/WrappedHandler.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using TechbloxModdingAPI.Events;
+
+namespace TechbloxModdingAPI.Utility
+{
+    /// <summary>
+    /// Wraps the event handler in a try-catch block to avoid propagating exceptions.
+    /// </summary>
+    /// <typeparam name="T">The event arguments type</typeparam>
+    public struct WrappedHandler<T>
+    {
+        private EventHandler<T> eventHandler;
+
+        /// <summary>
+        /// Store wrappers so we can unregister them properly
+        /// </summary>
+        private static Dictionary<EventHandler<T>, EventHandler<T>> wrappers =
+            new Dictionary<EventHandler<T>, EventHandler<T>>();
+
+        public static WrappedHandler<T> operator +(WrappedHandler<T> original, EventHandler<T> added)
+        {
+            EventHandler<T> wrapped = (sender, e) =>
+            {
+                try
+                {
+                    added(sender, e);
+                }
+                catch (Exception e1)
+                {
+                    EventRuntimeException wrappedException =
+                        new EventRuntimeException($"EventHandler with arg type {typeof(T).Name} threw an exception",
+                            e1);
+                    Logging.LogWarning(wrappedException.ToString());
+                }
+            };
+            if (wrappers.ContainsKey(added))
+            {
+                original.eventHandler -= wrapped;
+                wrappers.Remove(added);
+            }
+
+            wrappers.Add(added, wrapped);
+            return new WrappedHandler<T> { eventHandler = original.eventHandler + wrapped };
+        }
+
+        public static WrappedHandler<T> operator -(WrappedHandler<T> original, EventHandler<T> removed)
+        {
+            if (!wrappers.TryGetValue(removed, out var wrapped)) return original;
+            wrappers.Remove(removed);
+            return new WrappedHandler<T> { eventHandler = original.eventHandler - wrapped };
+        }
+
+        public void Invoke(object sender, T args)
+        {
+            eventHandler?.Invoke(sender, args);
+        }
+    }
+}

doxygen.conf

@@ -38,7 +38,7 @@ PROJECT_NAME           = "TechbloxModdingAPI"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "v2.0.0"
+PROJECT_NUMBER         = "v2.2.0"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a