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 TechbloxModdingAPI version")
+    parser = argparse.ArgumentParser(description="Increment GamecraftModdingAPI 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("../TechbloxModdingAPI/TechbloxModdingAPI.csproj", "r") as xmlFile:
-        print("Parsing TechbloxModdingAPI.csproj")
+    with open("../GamecraftModdingAPI/GamecraftModdingAPI.csproj", "r") as xmlFile:
+        print("Parsing GamecraftModdingAPI.csproj")
         fileStr = xmlFile.read()
         versionMatch = re.search(r"<Version>(.+)</Version>", fileStr)
         if versionMatch is None:
-            print("Unable to find version number in TechbloxModdingAPI.csproj")
+            print("Unable to find version number in GamecraftModdingAPI.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("../TechbloxModdingAPI/TechbloxModdingAPI.csproj", "w") as xmlFile:
+    with open("../GamecraftModdingAPI/GamecraftModdingAPI.csproj", "w") as xmlFile:
         print("Writing new version to project file")
         xmlFile.write(newFileContents)
     

Automation/gen_csproj.py

@@ -3,24 +3,15 @@
 import argparse
 from pathlib import Path, PurePath
 import re
-import os
 
-DLL_EXCLUSIONS_REGEX = r"(System|Microsoft|Mono|IronPython|DiscordRPC|IllusionInjector|IllusionPlugin|netstandard)\."
+DLL_EXCLUSIONS_REGEX = r"(System|Microsoft|Mono|IronPython|DiscordRPC)\."
 
 def getAssemblyReferences(path):
     asmDir = Path(path)
     result = list()
-    addedPath = ""
-    if not asmDir.exists():
-        addedPath = "../"
-        asmDir = Path(addedPath + path)
     for child in asmDir.iterdir():
-        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
+        if child.is_file() and re.search(DLL_EXCLUSIONS_REGEX, str(child), re.I) is None and str(child).lower().endswith(".dll"):
+            result.append(str(child).replace("\\", "/"))
     return result
 
 def buildReferencesXml(path):
@@ -36,16 +27,16 @@ def buildReferencesXml(path):
     return "<!--Start Dependencies-->\n  <ItemGroup>\n" + "".join(result) + "  </ItemGroup>\n<!--End Dependencies-->"
 
 if __name__ == "__main__":
-    parser = argparse.ArgumentParser(description="Generate TechbloxModdingAPI.csproj")
+    parser = argparse.ArgumentParser(description="Generate GamecraftModdingAPI.csproj")
     # TODO (maybe?): add params for custom csproj read and write locations
     args = parser.parse_args()
     
     print("Building Assembly references")
-    asmXml = buildReferencesXml("../ref_TB/Techblox_Data/Managed")
+    asmXml = buildReferencesXml("../ref/Gamecraft_Data/Managed")
     # print(asmXml)
     
-    with open("../TechbloxModdingAPI/TechbloxModdingAPI.csproj", "r") as xmlFile:
-        print("Parsing TechbloxModdingAPI.csproj")
+    with open("../GamecraftModdingAPI/GamecraftModdingAPI.csproj", "r") as xmlFile:
+        print("Parsing GamecraftModdingAPI.csproj")
         fileStr = xmlFile.read()
         # print(fileStr)
         depsStart = re.search(r"\<!--\s*Start\s+Dependencies\s*--\>", fileStr)
@@ -53,8 +44,8 @@ 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() - 1] + "\n" + asmXml + "\n" + fileStr[depsEnd.end() + 1:]
-    with open("../TechbloxModdingAPI/TechbloxModdingAPI.csproj", "w") as xmlFile:
+        newFileStr = fileStr[:depsStart.start()] + "\n" + asmXml + "\n" + fileStr[depsEnd.end() + 1:]
+    with open("../GamecraftModdingAPI/GamecraftModdingAPI.csproj", "w") as xmlFile:
         print("Writing Assembly references")
         xmlFile.write(newFileStr)
         # print(newFileStr)

CodeGenerator/App.config

@@ -1,10 +0,0 @@
-<?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

@@ -1,158 +0,0 @@
-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

@@ -1,53 +0,0 @@
-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

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

GamecraftModdingAPI.sln

@@ -0,0 +1,28 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29411.108
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GamecraftModdingAPI", "GamecraftModdingAPI\GamecraftModdingAPI.csproj", "{7FD5A7D8-4F3E-426A-B07D-7DC70442A4DF}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+		Test|Any CPU = Test|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{7FD5A7D8-4F3E-426A-B07D-7DC70442A4DF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7FD5A7D8-4F3E-426A-B07D-7DC70442A4DF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7FD5A7D8-4F3E-426A-B07D-7DC70442A4DF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{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
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {72FB94D0-6C50-475B-81E0-C94C7D7A2A17}
+	EndGlobalSection
+EndGlobal

GamecraftModdingAPI/App/AppCallbacksTest.cs

@@ -1,8 +1,8 @@
 using System;
 
-using TechbloxModdingAPI.Tests;
+using GamecraftModdingAPI.Tests;
 
-namespace TechbloxModdingAPI.App
+namespace GamecraftModdingAPI.App
 {
 #if TEST
     /// <summary>

GamecraftModdingAPI/App/AppEngine.cs

@@ -0,0 +1,64 @@
+using System;
+
+using RobocraftX.GUI.MyGamesScreen;
+using RobocraftX.GUI;
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Engines;
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.App
+{
+	public class AppEngine : IFactoryEngine
+    {
+		public event EventHandler<MenuEventArgs> EnterMenu;
+
+		public event EventHandler<MenuEventArgs> ExitMenu;
+
+		public IEntityFactory Factory { set; private get; }
+
+		public string Name => "GamecraftModdingAPIAppEngine";
+
+		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
+	{
+
+	}
+}

GamecraftModdingAPI/App/AppExceptions.cs

@@ -1,9 +1,9 @@
 using System;
 using System.Runtime.Serialization;
 
-namespace TechbloxModdingAPI.App
+namespace GamecraftModdingAPI.App
 {
-	public class AppException : TechbloxModdingAPIException
+	public class AppException : GamecraftModdingAPIException
 	{
 		public AppException()
 		{

GamecraftModdingAPI/App/Client.cs

@@ -4,29 +4,33 @@ using HarmonyLib;
 
 using RobocraftX.Services;
 using UnityEngine;
-using RobocraftX.Common;
-using TechbloxModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.App
+using GamecraftModdingAPI.Utility;
+using RobocraftX.Common;
+
+namespace GamecraftModdingAPI.App
 {
     /// <summary>
-    /// The Techblox application that is running this code right now.
+    /// The Gamecraft application that is running this code right now.
     /// </summary>
     public class Client
     {
-	    public static Client Instance { get; } = new Client();
-	    
-	    protected static Func<object> ErrorHandlerInstanceGetter;
+        // extensible engine
+		protected static AppEngine appEngine = new AppEngine();
+
+		protected static Func<object> ErrorHandlerInstanceGetter;
 
 		protected static Action<object, Error> EnqueueError;
 
-		/// <summary>
+		protected static Action<object> HandleErrorClosed;
+
+        /// <summary>
         /// An event that fires whenever the main menu is loaded.
         /// </summary>
 		public static event EventHandler<MenuEventArgs> EnterMenu
-        {
-	        add => Game.menuEngine.EnterMenu += value;
-			remove => Game.menuEngine.EnterMenu -= value;
+		{
+			add => appEngine.EnterMenu += value;
+			remove => appEngine.EnterMenu -= value;
 		}
 
         /// <summary>
@@ -34,12 +38,12 @@ namespace TechbloxModdingAPI.App
         /// </summary>
 		public static event EventHandler<MenuEventArgs> ExitMenu
         {
-	        add => Game.menuEngine.ExitMenu += value;
-            remove => Game.menuEngine.ExitMenu -= value;
+            add => appEngine.ExitMenu += value;
+            remove => appEngine.ExitMenu -= value;
         }
         
         /// <summary>
-        /// Techblox build version string.
+        /// Gamecraft build version string.
 		/// Usually this is in the form YYYY.mm.DD.HH.MM.SS
         /// </summary>
         /// <value>The version.</value>
@@ -66,23 +70,23 @@ namespace TechbloxModdingAPI.App
 		{
 			get 
 			{
-				if (!Game.menuEngine.IsInMenu) return Array.Empty<Game>();
-				return Game.menuEngine.GetMyGames();
+				if (!appEngine.IsInMenu) return new Game[0];
+				return appEngine.GetMyGames();
 			}
 		}
 
         /// <summary>
-        /// Whether Techblox is in the Main Menu
+        /// Whether Gamecraft is in the Main Menu
         /// </summary>
         /// <value><c>true</c> if in menu; <c>false</c> when loading or in a game.</value>
         public bool InMenu
 		{
-			get => Game.menuEngine.IsInMenu;
+			get => appEngine.IsInMenu;
 		}
 
         /// <summary>
         /// Open a popup which prompts the user to click a button.
-        /// This reuses Techblox's error dialog popup
+        /// This reuses Gamecraft's error dialog popup
         /// </summary>
         /// <param name="popup">The popup to display. Use an instance of SingleChoicePrompt or DualChoicePrompt.</param>
         public void PromptUser(Error popup)
@@ -93,38 +97,31 @@ namespace TechbloxModdingAPI.App
 	        EnqueueError(errorHandlerInstance, popup);
         }
 
-        public void CloseCurrentPrompt()
+        // TODO
+        /*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();
-	        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();
-        }
+	        HandleErrorClosed(errorHandlerInstance);
+        }*/
 
         internal static void Init()
 		{
 			// this would have been so much simpler if this didn't involve a bunch of internal fields & classes
 			Type errorHandler = AccessTools.TypeByName("RobocraftX.Services.ErrorHandler");
 			Type errorHandle = AccessTools.TypeByName("RobocraftX.Services.ErrorHandle");
-			ErrorHandlerInstanceGetter = (Func<object>) AccessTools.Method("TechbloxModdingAPI.App.Client:GenInstanceGetter")
+			ErrorHandlerInstanceGetter = (Func<object>) AccessTools.Method("GamecraftModdingAPI.App.Client:GenInstanceGetter")
 				.MakeGenericMethod(errorHandler)
 				.Invoke(null, new object[0]);
-			EnqueueError = (Action<object, Error>) AccessTools.Method("TechbloxModdingAPI.App.Client:GenEnqueueError")
+			EnqueueError = (Action<object, Error>) AccessTools.Method("GamecraftModdingAPI.App.Client:GenEnqueueError")
 				.MakeGenericMethod(errorHandler, errorHandle)
 				.Invoke(null, new object[0]);
+			/*HandleErrorClosed = (Action<object>) AccessTools.Method("GamecraftModdingAPI.App.Client:GenHandlePopupClosed")
+				.MakeGenericMethod(errorHandler)
+				.Invoke(null, new object[0]);*/
+			// register engines
+			MenuEngineManager.AddMenuEngine(appEngine);
 		}
 
         // Creating delegates once is faster than reflection every time
@@ -149,23 +146,14 @@ namespace TechbloxModdingAPI.App
 	        return enqueueCasted;
         }
 
-        private static (Action Close, Action FirstButton, Action SecondButton) _errorPopup;
-
-        private static (Action Close, Action FirstButton, Action SecondButton) GetPopupCloseMethods(object handler)
+        private static Action<object> GenHandlePopupClosed<T>()
         {
-	        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;
+	        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;
         }
     }
 }

GamecraftModdingAPI/App/ClientAlertTest.cs

@@ -3,9 +3,9 @@ using HarmonyLib;
 
 using RobocraftX.Services;
 
-using TechbloxModdingAPI.Tests;
+using GamecraftModdingAPI.Tests;
 
-namespace TechbloxModdingAPI.App
+namespace GamecraftModdingAPI.App
 {
 #if TEST
     /// <summary>
@@ -42,25 +42,17 @@ namespace TechbloxModdingAPI.App
         [APITestCase(TestType.Menu)]
         public static void TestPopUp2()
         {
-            Client.Instance.PromptUser(popup2);
+            Client c = new Client();
+            c.PromptUser(popup2);
+            //c.CloseCurrentPrompt();
         }
         
         [APITestCase(TestType.Menu)]
         public static void TestPopUp1()
         {
-            Client.Instance.PromptUser(popup1);
-        }
-
-        [APITestCase(TestType.Menu)]
-        public static void TestPopUpClose1()
-        {
-            Client.Instance.CloseCurrentPrompt();
-        }
-        
-        [APITestCase(TestType.Menu)]
-        public static void TestPopUpClose2()
-        {
-            Client.Instance.CloseCurrentPrompt();
+            Client c = new Client();
+            c.PromptUser(popup1);
+            //c.CloseCurrentPrompt();
         }
     }
 #endif

GamecraftModdingAPI/App/CurrentGameMode.cs

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

GamecraftModdingAPI/App/Game.cs

@@ -2,15 +2,17 @@
 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.Blocks;
-using TechbloxModdingAPI.Tasks;
-using TechbloxModdingAPI.Utility;
+using GamecraftModdingAPI;
+using GamecraftModdingAPI.Blocks;
+using GamecraftModdingAPI.Tasks;
+using GamecraftModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.App
+namespace GamecraftModdingAPI.App
 {
     /// <summary>
     /// An in-game save.
@@ -21,7 +23,7 @@ namespace TechbloxModdingAPI.App
     {
         // extensible engines
 		protected static GameGameEngine gameEngine = new GameGameEngine();
-		protected internal static GameMenuEngine menuEngine = new GameMenuEngine();
+		protected static GameMenuEngine menuEngine = new GameMenuEngine();
 		protected static DebugInterfaceEngine debugOverlayEngine = new DebugInterfaceEngine();
 		protected static GameBuildSimEventEngine buildSimEventEngine = new GameBuildSimEventEngine();
 
@@ -31,7 +33,7 @@ namespace TechbloxModdingAPI.App
 		private bool hasId = false;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="T:TechbloxModdingAPI.App.Game"/> class.
+        /// Initializes a new instance of the <see cref="T:GamecraftModdingAPI.App.Game"/> class.
         /// </summary>
         /// <param name="id">Menu identifier.</param>
 		public Game(uint id) : this(new EGID(id, MyGamesScreenExclusiveGroups.MyGames))
@@ -39,7 +41,7 @@ namespace TechbloxModdingAPI.App
         }
 
 		/// <summary>
-        /// Initializes a new instance of the <see cref="T:TechbloxModdingAPI.App.Game"/> class.
+        /// Initializes a new instance of the <see cref="T:GamecraftModdingAPI.App.Game"/> class.
         /// </summary>
         /// <param name="id">Menu identifier.</param>
 		public Game(EGID id)
@@ -52,7 +54,7 @@ namespace TechbloxModdingAPI.App
 		}
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="T:TechbloxModdingAPI.App.Game"/> class without id.
+        /// Initializes a new instance of the <see cref="T:GamecraftModdingAPI.App.Game"/> class without id.
 		/// This is assumed to be the current game.
         /// </summary>
         public Game()
@@ -116,7 +118,7 @@ namespace TechbloxModdingAPI.App
 
         /// <summary>
         /// An event that fires right before a game returns to the main menu.
-		/// At this point, Techblox is transitioning state so many things are invalid/unstable here.
+		/// At this point, Gamecraft is transitioning state so many things are invalid/unstable here.
         /// </summary>
 		public static event EventHandler<GameEventArgs> Exit
         {
@@ -163,7 +165,7 @@ namespace TechbloxModdingAPI.App
 			{
 				if (!VerifyMode()) return null;
 				if (menuMode) return menuEngine.GetGameInfo(EGID).GameName;
-				return gameEngine.GetGameData().saveName;
+				return GameMode.SaveGameDetails.Name;
 			}
 
 			set
@@ -172,7 +174,11 @@ namespace TechbloxModdingAPI.App
                 if (menuMode)
 				{
 					menuEngine.SetGameName(EGID, value);
-				} // Save details are directly saved from user input or not changed at all when in game
+				}
+				else 
+				{
+					GameMode.SaveGameDetails.Name = value;
+				}
 			}
 		}
 
@@ -195,7 +201,11 @@ namespace TechbloxModdingAPI.App
                 if (menuMode)
                 {
                     menuEngine.SetGameDescription(EGID, value);
-                } // No description exists in-game
+                }
+                else
+                {
+                    // No description exists in-game
+                }
             }
         }
 
@@ -209,7 +219,7 @@ namespace TechbloxModdingAPI.App
             {
 				if (!VerifyMode()) return null;
 				if (menuMode) return menuEngine.GetGameInfo(EGID).SavedGamePath;
-				return gameEngine.GetGameData().gameID;
+				return GameMode.SaveGameDetails.Folder;
             }
 
             set
@@ -219,6 +229,11 @@ 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);
+                }
             }
         }
 
@@ -227,16 +242,28 @@ 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
             {
-                return 0uL; // Not supported anymore
+				if (!VerifyMode()) return 0uL;
+                if (menuMode) return 0uL; // MyGames don't have workshop IDs
+				return GameMode.SaveGameDetails.WorkshopId;
             }
 
             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);
+                }
             }
         }
 
@@ -316,7 +343,7 @@ namespace TechbloxModdingAPI.App
 	        get
 	        {
 		        if (menuMode || !VerifyMode()) return CurrentGameMode.None;
-		        return gameEngine.GetGameData().gameMode == GameMode.CreateWorld ? CurrentGameMode.Build : CurrentGameMode.Play;
+		        return (CurrentGameMode) GameMode.CurrentMode;
 	        }
         }
 
@@ -369,20 +396,19 @@ namespace TechbloxModdingAPI.App
 
         /// <summary>
         /// Add information to the in-game debug display.
-        /// When this object is garbage collected, this debug info is automatically removed.
-        /// The provided getter function is called each frame so make sure it returns quickly.
+		/// When this object is garbage collected, this debug info is automatically removed.
         /// </summary>
         /// <param name="id">Debug info identifier.</param>
-        /// <param name="contentGetter">A function that returns the current information.</param>
-        public void AddDebugInfo(string id, Func<string> contentGetter)
+        /// <param name="contentGetter">Content getter.</param>
+		public void AddDebugInfo(string id, Func<string> contentGetter)
         {
-	        if (!VerifyMode()) return;
-	        if (menuMode)
-	        {
-		        throw new GameNotFoundException("Game object references a menu item but AddDebugInfo only works on the currently-loaded game");
-	        }
-	        debugOverlayEngine.SetInfo("game_" + id, contentGetter);
-	        debugIds.Add(id);
+			if (!VerifyMode()) return;
+			if (menuMode)
+			{
+				throw new GameNotFoundException("Game object references a menu item but AddDebugInfo only works on the currently-loaded game");
+			}
+            debugOverlayEngine.SetInfo(id, contentGetter);
+            debugIds.Add(id);
         }
 
         /// <summary>
@@ -392,36 +418,14 @@ namespace TechbloxModdingAPI.App
         /// <param name="id">Debug info identifier.</param>
         public bool RemoveDebugInfo(string id)
         {
-	        if (!VerifyMode()) return false;
-	        if (menuMode)
-	        {
-		        throw new GameNotFoundException("Game object references a menu item but RemoveDebugInfo only works on the currently-loaded game");
-	        }
-	        if (!debugIds.Contains(id)) return false;
-	        debugOverlayEngine.RemoveInfo("game_" + id);
-	        return debugIds.Remove(id);
-        }
-
-        /// <summary>
-        /// Add information to the in-game debug display.
-        /// This debug info will be present for all games until it is manually removed.
-        /// The provided getter function is called each frame so make sure it returns quickly.
-        /// </summary>
-        /// <param name="id">Debug info identifier.</param>
-        /// <param name="contentGetter">A function that returns the current information.</param>
-        public static void AddPersistentDebugInfo(string id, Func<string> contentGetter)
-        {
-	        debugOverlayEngine.SetInfo("persistent_" + id, contentGetter);
-        }
-
-        /// <summary>
-        /// Remove persistent information from the in-game debug display.
-        /// </summary>
-        /// <returns><c>true</c>, if debug info was removed, <c>false</c> otherwise.</returns>
-        /// <param name="id">Debug info identifier.</param>
-        public static bool RemovePersistentDebugInfo(string id)
-        {
-	        return debugOverlayEngine.RemoveInfo("persistent_" + id);
+			if (!VerifyMode()) return false;
+            if (menuMode)
+            {
+				throw new GameNotFoundException("Game object references a menu item but RemoveDebugInfo only works on the currently-loaded game");
+            }
+            if (!debugIds.Contains(id)) return false;
+            debugOverlayEngine.RemoveInfo(id);
+            return debugIds.Remove(id);
         }
 
         /// <summary>
@@ -441,20 +445,11 @@ namespace TechbloxModdingAPI.App
 			Block[] blocks = new Block[blockEGIDs.Length];
 			for (int b = 0; b < blockEGIDs.Length; b++)
 			{
-				blocks[b] = Block.New(blockEGIDs[b]);
+				blocks[b] = new Block(blockEGIDs[b]);
 			}
 			return blocks;
 		}
 
-        /// <summary>
-        /// Enable the screenshot taker for updating the game's screenshot. Breaks the pause menu in a new save.
-        /// </summary>
-        public void EnableScreenshotTaker()
-        {
-	        if (!VerifyMode()) return;
-	        gameEngine.EnableScreenshotTaker();
-        }
-
 		~Game()
         {
             foreach (string id in debugIds)
@@ -483,8 +478,12 @@ namespace TechbloxModdingAPI.App
 		{
 			GameEngineManager.AddGameEngine(gameEngine);
 			GameEngineManager.AddGameEngine(debugOverlayEngine);
-			GameEngineManager.AddGameEngine(buildSimEventEngine);
 			MenuEngineManager.AddMenuEngine(menuEngine);
 		}
+
+		internal static void InitDeterministic(StateSyncRegistrationHelper stateSyncReg)
+		{
+			stateSyncReg.AddDeterministicEngine(buildSimEventEngine);
+		}
     }
 }

GamecraftModdingAPI/App/GameBuildSimEventEngine.cs

@@ -4,18 +4,19 @@ using RobocraftX.Common;
 using RobocraftX.StateSync;
 using Svelto.ECS;
 using Unity.Jobs;
-using TechbloxModdingAPI.Engines;
-using TechbloxModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.App
+using GamecraftModdingAPI.Engines;
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.App
 {
 	public class GameBuildSimEventEngine : IApiEngine, IUnorderedInitializeOnTimeRunningModeEntered, IUnorderedInitializeOnTimeStoppedModeEntered
 	{
-		public WrappedHandler<GameEventArgs> SimulationMode;
+		public event EventHandler<GameEventArgs> SimulationMode;
 
-		public WrappedHandler<GameEventArgs> BuildMode;
+		public event EventHandler<GameEventArgs> BuildMode;
 
-		public string Name => "TechbloxModdingAPIBuildSimEventGameEngine";
+		public string Name => "GamecraftModdingAPIBuildSimEventGameEngine";
 
 		public bool isRemovable => false;
 
@@ -27,13 +28,13 @@ namespace TechbloxModdingAPI.App
 
 		public JobHandle OnInitializeTimeRunningMode(JobHandle inputDeps)
 		{
-			SimulationMode.Invoke(this, new GameEventArgs { GameName = "", GamePath = "" }); // TODO
+			ExceptionUtil.InvokeEvent(SimulationMode, this, new GameEventArgs { GameName = GameMode.SaveGameDetails.Name, GamePath = GameMode.SaveGameDetails.Folder });
 			return inputDeps;
 		}
 
 		public JobHandle OnInitializeTimeStoppedMode(JobHandle inputDeps)
 		{
-			BuildMode.Invoke(this, new GameEventArgs { GameName = "", GamePath = "" });
+			ExceptionUtil.InvokeEvent(BuildMode, this, new GameEventArgs { GameName = GameMode.SaveGameDetails.Name, GamePath = GameMode.SaveGameDetails.Folder });
 			return inputDeps;
 		}
 	}

GamecraftModdingAPI/App/GameGameEngine.cs

@@ -0,0 +1,130 @@
+using System;
+using System.Collections.Generic;
+using HarmonyLib;
+
+using RobocraftX;
+using RobocraftX.Common;
+using RobocraftX.Schedulers;
+using RobocraftX.SimulationModeState;
+using Svelto.ECS;
+using Svelto.Tasks;
+using Svelto.Tasks.Lean;
+
+using GamecraftModdingAPI.Blocks;
+using GamecraftModdingAPI.Engines;
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.App
+{
+	public class GameGameEngine : IApiEngine
+    {
+		public event EventHandler<GameEventArgs> EnterGame;
+
+        public event EventHandler<GameEventArgs> ExitGame;
+
+		public string Name => "GamecraftModdingAPIGameInfoMenuEngine";
+
+		public bool isRemovable => false;
+
+		public EntitiesDB entitiesDB { set; private get; }
+
+		public void Dispose()
+		{
+			ExceptionUtil.InvokeEvent(ExitGame, this, new GameEventArgs { GameName = GameMode.SaveGameDetails.Name, GamePath = GameMode.SaveGameDetails.Folder });
+			IsInGame = false;
+		}
+
+		public void Ready()
+		{
+			ExceptionUtil.InvokeEvent(EnterGame, this, new GameEventArgs { GameName = GameMode.SaveGameDetails.Name, GamePath = GameMode.SaveGameDetails.Folder });
+			IsInGame = true;
+		}
+
+		// game functionality
+
+		public bool IsInGame
+		{
+			get;
+			private set;
+		} = false;
+
+		public void ExitCurrentGame(bool async = false)
+		{
+			if (async)
+			{
+				ExitCurrentGameAsync().RunOn(Lean.EveryFrameStepRunner_TimeRunningAndStopped);
+			}
+			else
+			{
+				entitiesDB.QueryEntity<GameSceneEntityStruct>(CommonExclusiveGroups.GameSceneEGID).WantsToQuit = true;
+                entitiesDB.PublishEntityChange<GameSceneEntityStruct>(CommonExclusiveGroups.GameSceneEGID);
+			}
+
+		}
+
+		public IEnumerator<TaskContract> ExitCurrentGameAsync()
+		{
+			/*
+            while (Lean.EveryFrameStepRunner_RUNS_IN_TIME_STOPPED_AND_RUNNING.isStopping) { yield return Yield.It; }
+            AccessTools.Method(typeof(FullGameCompositionRoot), "SwitchToMenu").Invoke(FullGameFields.Instance, new object[0]);*/
+			yield return Yield.It;
+			entitiesDB.QueryEntity<GameSceneEntityStruct>(CommonExclusiveGroups.GameSceneEGID).WantsToQuit = true;
+            entitiesDB.PublishEntityChange<GameSceneEntityStruct>(CommonExclusiveGroups.GameSceneEGID);
+		}
+
+        public void SaveCurrentGame()
+		{
+			ref GameSceneEntityStruct gses = ref entitiesDB.QueryEntity<GameSceneEntityStruct>(CommonExclusiveGroups.GameSceneEGID);
+			gses.LoadAfterSaving = false;
+			gses.SaveNow = true;
+			entitiesDB.PublishEntityChange<GameSceneEntityStruct>(CommonExclusiveGroups.GameSceneEGID);
+		}
+
+        public bool IsTimeRunningMode()
+		{
+			return TimeRunningModeUtil.IsTimeRunningMode(entitiesDB);
+		}
+
+        public bool IsTimeStoppedMode()
+		{
+			return TimeRunningModeUtil.IsTimeStoppedMode(entitiesDB);
+		}
+
+        public void ToggleTimeMode()
+		{
+			TimeRunningModeUtil.ToggleTimeRunningState(entitiesDB);
+		}
+
+		public EGID[] GetAllBlocksInGame(BlockIDs filter = BlockIDs.Invalid)
+		{
+			var allBlocks = entitiesDB.QueryEntities<DBEntityStruct>();
+			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);
+				}
+
+				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];
+						if (block.DBID == (ulong) filter)
+							blockEGIDs.Add(block.ID);
+					}
+				}
+
+				return blockEGIDs.ToArray();
+			}
+		}
+	}
+}

GamecraftModdingAPI/App/GameMenuEngine.cs

@@ -0,0 +1,141 @@
+using System;
+using HarmonyLib;
+
+using RobocraftX;
+using RobocraftX.Common;
+using RobocraftX.GUI;
+using RobocraftX.GUI.MyGamesScreen;
+using Svelto.ECS;
+using Svelto.ECS.Experimental;
+
+using GamecraftModdingAPI.Engines;
+using GamecraftModdingAPI.Utility;
+using Svelto.DataStructures;
+
+namespace GamecraftModdingAPI.App
+{
+	public class GameMenuEngine : IFactoryEngine
+    {
+		public IEntityFactory Factory { set; private get; }
+
+		public string Name => "GamecraftModdingAPIGameInfoGameEngine";
+
+		public bool isRemovable => false;
+
+		public EntitiesDB entitiesDB { set; private get; }
+
+		public void Dispose()
+		{
+			IsInMenu = false;
+		}
+
+		public void Ready()
+		{
+			IsInMenu = true;
+		}
+
+		// game functionality
+
+		public bool IsInMenu
+		{
+			get;
+			private set;
+		} = false;
+
+        public bool CreateMyGame(EGID id, string path = "", uint thumbnailId = 0, string gameName = "", string creatorName = "", string description = "", long createdDate = 0L)
+		{
+			EntityComponentInitializer eci = Factory.BuildEntity<MyGameDataEntityDescriptor_DamnItFJWhyDidYouMakeThisInternal>(id);
+			eci.Init(new MyGameDataEntityStruct
+			{
+				SavedGamePath = new ECSString(path),
+				ThumbnailId = thumbnailId,
+				GameName = new ECSString(gameName),
+				CreatorName = new ECSString(creatorName),
+				GameDescription = new ECSString(description),
+				CreatedDate = createdDate,
+			});
+			// entitiesDB.PublishEntityChange<MyGameDataEntityStruct>(id); // this will always fail
+			return true;
+		}
+
+		public uint HighestID()
+		{
+			EntityCollection<MyGameDataEntityStruct> games = entitiesDB.QueryEntities<MyGameDataEntityStruct>(MyGamesScreenExclusiveGroups.MyGames);
+			var gamesB = games.ToBuffer().buffer;
+			uint max = 0;
+			for (int i = 0; i < games.count; i++)
+			{
+				if (gamesB[i].ID.entityID > max)
+				{
+					max = gamesB[i].ID.entityID;
+				}
+			}
+			return max;
+		}
+
+        public bool EnterGame(EGID id)
+		{
+			if (!ExistsGameInfo(id)) return false;
+			ref MyGameDataEntityStruct mgdes = ref GetGameInfo(id);
+			return EnterGame(mgdes.GameName, mgdes.SavedGamePath);
+		}
+
+        public bool EnterGame(string gameName, string path, ulong workshopId = 0uL, 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]);
+			return true;
+		}
+
+        public bool SetGameName(EGID id, string name)
+		{
+			if (!ExistsGameInfo(id)) return false;
+			GetGameInfo(id).GameName.Set(name);
+			GetGameViewInfo(id).MyGamesSlotComponent.GameName = StringUtil.SanitiseString(name);
+			return true;
+		}
+
+		public bool SetGameDescription(EGID id, string name)
+        {
+            if (!ExistsGameInfo(id)) return false;
+            GetGameInfo(id).GameDescription.Set(name);
+			GetGameViewInfo(id).MyGamesSlotComponent.GameDescription = StringUtil.SanitiseString(name);
+            return true;
+        }
+
+        public bool ExistsGameInfo(EGID id)
+		{
+			return entitiesDB.Exists<MyGameDataEntityStruct>(id);
+		}
+
+		public ref MyGameDataEntityStruct GetGameInfo(EGID id)
+		{
+			return ref GetComponent<MyGameDataEntityStruct>(id);
+		}
+
+        public ref MyGamesSlotEntityViewStruct GetGameViewInfo(EGID id)
+        {
+	        EntityCollection<MyGamesSlotEntityViewStruct> entities =
+		        entitiesDB.QueryEntities<MyGamesSlotEntityViewStruct>(MyGamesScreenExclusiveGroups.GameSlotGuiEntities);
+	        var entitiesB = entities.ToBuffer().buffer;
+			for (int i = 0; i < entities.count; i++)
+			{
+				if (entitiesB[i].ID.entityID == id.entityID)
+				{
+					return ref entitiesB[i];
+				}
+			}
+			MyGamesSlotEntityViewStruct[] defRef = new MyGamesSlotEntityViewStruct[1];
+			return ref defRef[0];
+		}
+
+		public ref T GetComponent<T>(EGID id) where T: unmanaged, IEntityComponent
+		{
+			return ref entitiesDB.QueryEntity<T>(id);
+		}
+	}
+
+	internal class MyGameDataEntityDescriptor_DamnItFJWhyDidYouMakeThisInternal : GenericEntityDescriptor<MyGameDataEntityStruct> { }
+}

GamecraftModdingAPI/App/StateSyncRegPatch.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Reflection;
+
+using RobocraftX.CR.MainGame;
+using RobocraftX.StateSync;
+
+using HarmonyLib;
+
+namespace GamecraftModdingAPI.App
+{
+	[HarmonyPatch]
+    class StateSyncRegPatch
+    {
+		public static void Postfix(StateSyncRegistrationHelper stateSyncReg)
+		{
+			// register sim/build events engines
+			Game.InitDeterministic(stateSyncReg);
+		}
+
+		[HarmonyTargetMethod]
+		public static MethodBase Target()
+		{
+			return AccessTools.Method(typeof(MainGameCompositionRoot), "DeterministicCompose").MakeGenericMethod(typeof(object));
+		}
+    }
+}

GamecraftModdingAPI/App/UserPrompts.cs

@@ -3,7 +3,7 @@ using HarmonyLib;
 
 using RobocraftX.Services;
 
-namespace TechbloxModdingAPI.App
+namespace GamecraftModdingAPI.App
 {
     public class DualChoicePrompt : MultiChoiceError
     {

GamecraftModdingAPI/Block.cs

@@ -0,0 +1,538 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection.Emit;
+
+using Gamecraft.Blocks.BlockGroups;
+using Svelto.ECS;
+using Svelto.ECS.EntityStructs;
+using RobocraftX.Common;
+using RobocraftX.Blocks;
+using Unity.Mathematics;
+using Gamecraft.Blocks.GUI;
+
+using GamecraftModdingAPI.Blocks;
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI
+{
+	/// <summary>
+	/// A single (perhaps scaled) block. Properties may return default values if the block is removed and then setting them is ignored.
+	/// For specific block type operations, use the specialised block classes in the GamecraftModdingAPI.Blocks namespace.
+	/// </summary>
+	public class Block : IEquatable<Block>, IEquatable<EGID>
+	{
+		protected static readonly PlacementEngine PlacementEngine = new PlacementEngine();
+		protected static readonly MovementEngine MovementEngine = new MovementEngine();
+		protected static readonly RotationEngine RotationEngine = new RotationEngine();
+		protected static readonly RemovalEngine RemovalEngine = new RemovalEngine();
+		protected static readonly SignalEngine SignalEngine = new SignalEngine();
+		protected static readonly BlockEventsEngine BlockEventsEngine = new BlockEventsEngine();
+		protected static readonly ScalingEngine ScalingEngine = new ScalingEngine();
+		protected static readonly BlockCloneEngine BlockCloneEngine = new BlockCloneEngine();
+
+		protected internal static readonly BlockEngine BlockEngine = new BlockEngine();
+
+		/// <summary>
+		/// Place a new block at the given position. If scaled, position means the center of the block. The default block size is 0.2 in terms of position.
+		/// Place blocks next to each other to connect them.
+		/// The placed block will be a complete block with a placement grid and collision which will be saved along with the game.
+		/// </summary>
+		/// <param name="block">The block's type</param>
+		/// <param name="color">The block's color</param>
+		/// <param name="darkness">The block color's darkness (0-9) - 0 is default color</param>
+		/// <param name="position">The block's position - default block size is 0.2</param>
+		/// <param name="rotation">The block's rotation in degrees</param>
+		/// <param name="uscale">The block's uniform scale - default scale is 1 (with 0.2 width)</param>
+		/// <param name="scale">The block's non-uniform scale - 0 means <paramref name="uscale"/> is used</param>
+		/// <param name="player">The player who placed the block</param>
+		/// <returns>The placed block or null if failed</returns>
+		public static Block PlaceNew(BlockIDs block, float3 position,
+			float3 rotation = default, BlockColors color = BlockColors.Default, byte darkness = 0,
+			int uscale = 1, float3 scale = default, Player player = null)
+		{
+			return PlaceNew<Block>(block, position, rotation, color, darkness, uscale, scale, player);
+		}
+
+		/// <summary>
+		/// Place a new block at the given position. If scaled, position means the center of the block. The default block size is 0.2 in terms of position.
+		/// Place blocks next to each other to connect them.
+		/// The placed block will be a complete block with a placement grid and collision which will be saved along with the game.
+		/// </summary>
+		/// <param name="block">The block's type</param>
+		/// <param name="color">The block's color</param>
+		/// <param name="darkness">The block color's darkness (0-9) - 0 is default color</param>
+		/// <param name="position">The block's position - default block size is 0.2</param>
+		/// <param name="rotation">The block's rotation in degrees</param>
+		/// <param name="uscale">The block's uniform scale - default scale is 1 (with 0.2 width)</param>
+		/// <param name="scale">The block's non-uniform scale - 0 means <paramref name="uscale"/> is used</param>
+		/// <param name="player">The player who placed the block</param>
+		/// <returns>The placed block or null if failed</returns>
+		public static T PlaceNew<T>(BlockIDs block, float3 position,
+			float3 rotation = default, BlockColors color = BlockColors.Default, byte darkness = 0,
+			int uscale = 1, float3 scale = default, Player player = null) where T : Block
+		{
+			if (PlacementEngine.IsInGame && GameState.IsBuildMode())
+			{
+				var egid = PlacementEngine.PlaceBlock(block, color, darkness,
+					position, uscale, scale, player, rotation, out var initializer);
+				var bl = New<T>(egid.entityID, egid.groupID);
+				bl.InitData.Group = BlockEngine.InitGroup(initializer);
+				Placed += bl.OnPlacedInit;
+				return bl;
+			}
+
+			return null;
+		}
+
+		/// <summary>
+		/// Returns the most recently placed block.
+		/// </summary>
+		/// <returns>The block object</returns>
+		public static Block GetLastPlacedBlock()
+		{
+			return New<Block>(BlockIdentifiers.LatestBlockID);
+		}
+
+		/// <summary>
+		/// An event that fires each time a block is placed.
+		/// </summary>
+		public static event EventHandler<BlockPlacedRemovedEventArgs> Placed
+		{
+			add => BlockEventsEngine.Placed += value;
+			remove => BlockEventsEngine.Placed -= value;
+		}
+
+		/// <summary>
+		/// An event that fires each time a block is removed.
+		/// </summary>
+		public static event EventHandler<BlockPlacedRemovedEventArgs> Removed
+		{
+			add => BlockEventsEngine.Removed += value;
+			remove => BlockEventsEngine.Removed -= value;
+		}
+
+		private static Dictionary<Type, Func<EGID, Block>> initializers = new Dictionary<Type, Func<EGID, Block>>();
+
+		private static Dictionary<Type, ExclusiveGroupStruct[]> typeToGroup =
+			new Dictionary<Type, ExclusiveGroupStruct[]>
+			{
+				{typeof(ConsoleBlock), new[] {CommonExclusiveGroups.CONSOLE_BLOCK_GROUP}},
+				{typeof(LogicGate), new [] {CommonExclusiveGroups.LOGIC_BLOCK_GROUP}},
+				{typeof(Motor), new[] {CommonExclusiveGroups.MOTOR_BLOCK_GROUP}},
+				{typeof(MusicBlock), new[] {CommonExclusiveGroups.MUSIC_BLOCK_GROUP}},
+				{typeof(ObjectIdentifier), new[]{CommonExclusiveGroups.OBJID_BLOCK_GROUP}},
+				{typeof(Piston), new[] {CommonExclusiveGroups.PISTON_BLOCK_GROUP}},
+				{typeof(Servo), new[] {CommonExclusiveGroups.SERVO_BLOCK_GROUP}},
+				{
+					typeof(SpawnPoint),
+					new[]
+					{
+						CommonExclusiveGroups.SPAWNPOINT_BLOCK_GROUP,
+						CommonExclusiveGroups.BUILDINGSPAWN_BLOCK_GROUP
+					}
+				},
+				{
+					typeof(SfxBlock),
+					new[]
+					{
+						CommonExclusiveGroups.SIMPLESFX_BLOCK_GROUP,
+						CommonExclusiveGroups.LOOPEDSFX_BLOCK_GROUP
+					}
+				},
+				{typeof(DampedSpring), new [] {CommonExclusiveGroups.DAMPEDSPRING_BLOCK_GROUP}},
+				{typeof(TextBlock), new[] {CommonExclusiveGroups.TEXT_BLOCK_GROUP}},
+				{typeof(Timer), new[] {CommonExclusiveGroups.TIMER_BLOCK_GROUP}}
+			};
+
+		/// <summary>
+		/// Constructs a new instance of T with the given ID and group using dynamically created delegates.
+		/// It's equivalent to new T(EGID) with a minimal overhead thanks to caching the created delegates.
+		/// </summary>
+		/// <param name="id">The block ID</param>
+		/// <param name="group">The block group</param>
+		/// <typeparam name="T">The block's type or Block itself</typeparam>
+		/// <returns>An instance of the provided type</returns>
+		/// <exception cref="BlockTypeException">The block group doesn't match or cannot be found</exception>
+		/// <exception cref="MissingMethodException">The block class doesn't have the needed constructor</exception>
+		private static T New<T>(uint id, ExclusiveGroupStruct? group = null) where T : Block
+		{
+			var type = typeof(T);
+			EGID egid;
+			if (!group.HasValue)
+			{
+				if (typeToGroup.TryGetValue(type, out var gr) && gr.Length == 1)
+					egid = new EGID(id, gr[0]);
+				else
+					egid = BlockEngine.FindBlockEGID(id) ?? throw new BlockTypeException("Could not find block group!");
+			}
+			else
+			{
+				egid = new EGID(id, group.Value);
+				if (typeToGroup.TryGetValue(type, out var gr)
+				    && gr.All(egs => egs != group.Value)) //If this subclass has a specific group, then use that - so Block should still work
+					throw new BlockTypeException($"Incompatible block type! Type {type.Name} belongs to group {gr.Select(g => g.ToString()).Aggregate((a, b) => a + ", " + b)} instead of {group.Value}");
+			}
+
+			if (initializers.TryGetValue(type, out var func))
+			{
+				var bl = (T) func(egid);
+				return bl;
+			}
+
+			//https://stackoverflow.com/a/10593806/2703239
+			var ctor = type.GetConstructor(new[] {typeof(EGID)});
+			if (ctor == null)
+				throw new MissingMethodException("There is no constructor with an EGID parameter for this object");
+			DynamicMethod dynamic = new DynamicMethod(string.Empty,
+				type,
+				new[] {typeof(EGID)},
+				type);
+			ILGenerator il = dynamic.GetILGenerator();
+
+			//il.DeclareLocal(type);
+			il.Emit(OpCodes.Ldarg_0); //Load EGID and pass to constructor
+			il.Emit(OpCodes.Newobj, ctor); //Call constructor
+			//il.Emit(OpCodes.Stloc_0); - doesn't seem like we need these
+			//il.Emit(OpCodes.Ldloc_0);
+			il.Emit(OpCodes.Ret);
+
+			func = (Func<EGID, T>) dynamic.CreateDelegate(typeof(Func<EGID, T>));
+			initializers.Add(type, func);
+			var block = (T) func(egid);
+			return block;
+		}
+
+		public Block(EGID id)
+		{
+			Id = id;
+			var type = GetType();
+			if (typeToGroup.TryGetValue(type, out var groups))
+			{
+				if (groups.All(gr => gr != id.groupID))
+					throw new BlockTypeException("The block has the wrong group! The type is " + GetType() +
+					                             " while the group is " + id.groupID);
+			}
+			else if (type != typeof(Block))
+				Logging.LogWarning($"Unknown block type! Add {type} to the dictionary.");
+		}
+
+		/// <summary>
+		/// This overload searches for the correct group the block is in.
+		/// It will throw an exception if the block doesn't exist.
+		/// Use the EGID constructor where possible or subclasses of Block as those specify the group.
+		/// </summary>
+		public Block(uint id)
+		{
+			Id = BlockEngine.FindBlockEGID(id) ?? throw new BlockTypeException("Could not find the appropriate group for the block. The block probably doesn't exist or hasn't been submitted.");
+		}
+
+		public EGID Id { get; }
+
+		internal BlockEngine.BlockInitData InitData;
+		private EGID copiedFrom;
+
+		/// <summary>
+		/// The block's current position or zero if the block no longer exists.
+		/// A block is 0.2 wide by default in terms of position.
+		/// </summary>
+		public float3 Position
+		{
+			get => MovementEngine.GetPosition(Id, InitData);
+			set
+			{
+				MovementEngine.MoveBlock(Id, InitData, value);
+				if (blockGroup != null)
+					blockGroup.PosAndRotCalculated = false;
+				BlockEngine.UpdateDisplayedBlock(Id);
+			}
+		}
+
+		/// <summary>
+		/// The block's current rotation in degrees or zero if the block doesn't exist.
+		/// </summary>
+		public float3 Rotation
+		{
+			get => RotationEngine.GetRotation(Id, InitData);
+			set
+			{
+				RotationEngine.RotateBlock(Id, InitData, value);
+				if (blockGroup != null)
+					blockGroup.PosAndRotCalculated = false;
+				BlockEngine.UpdateDisplayedBlock(Id);
+			}
+		}
+
+		/// <summary>
+		/// The block's non-uniform scale or zero if the block's invalid. Independent of the uniform scaling.
+		/// The default scale of 1 means 0.2 in terms of position.
+		/// </summary>
+		public float3 Scale
+		{
+			get => BlockEngine.GetBlockInfo(this, (ScalingEntityStruct st) => st.scale);
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref ScalingEntityStruct st, float3 val) => st.scale = val, value);
+				if (!Exists) return; //UpdateCollision needs the block to exist
+				ScalingEngine.UpdateCollision(Id);
+				BlockEngine.UpdateDisplayedBlock(Id);
+			}
+		}
+
+		/// <summary>
+		/// The block's uniform scale or zero if the block's invalid. Also sets the non-uniform scale.
+		/// The default scale of 1 means 0.2 in terms of position.
+		/// </summary>
+		public int UniformScale
+		{
+			get => BlockEngine.GetBlockInfo(this, (UniformBlockScaleEntityStruct st) => st.scaleFactor);
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref UniformBlockScaleEntityStruct st, int val) => st.scaleFactor = val,
+					value);
+				Scale = new float3(value, value, value);
+			}
+		}
+
+		/// <summary>
+		/// The block's type (ID). Returns BlockIDs.Invalid if the block doesn't exist anymore.
+		/// </summary>
+		public BlockIDs Type
+		{
+			get
+			{
+				return BlockEngine.GetBlockInfo(this, (DBEntityStruct st) => (BlockIDs) st.DBID, BlockIDs.Invalid);
+			}
+		}
+
+		/// <summary>
+		/// The block's color. Returns BlockColors.Default if the block no longer exists.
+		/// </summary>
+		public BlockColor Color
+		{
+			get
+			{
+				byte index = BlockEngine.GetBlockInfo(this, (ColourParameterEntityStruct st) => st.indexInPalette,
+					byte.MaxValue);
+				return new BlockColor(index);
+			}
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref ColourParameterEntityStruct color, BlockColor val) =>
+				{
+					color.indexInPalette = (byte) (val.Color + val.Darkness * 10);
+					//color.overridePaletteColour = false;
+					//color.needsUpdate = true;
+					color.hasNetworkChange = true;
+					color.paletteColour = BlockEngine.ConvertBlockColor(color.indexInPalette);
+				}, value);
+			}
+		}
+
+		/// <summary>
+		/// The block's exact color. Gets reset to the palette color (Color property) after reentering the game.
+		/// </summary>
+		public float4 CustomColor
+		{
+			get => BlockEngine.GetBlockInfo(this, (ColourParameterEntityStruct st) => st.paletteColour);
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref ColourParameterEntityStruct color, float4 val) =>
+				{
+					color.paletteColour = val;
+					//color.overridePaletteColour = true;
+					//color.needsUpdate = true;
+					color.hasNetworkChange = true;
+				}, value);
+			}
+		}
+
+		/// <summary>
+		/// The text displayed on the block if applicable, or null.
+		/// Setting it is temporary to the session, it won't be saved.
+		/// </summary>
+		public string Label
+		{
+			get => BlockEngine.GetBlockInfoViewStruct(this, (TextLabelEntityViewStruct st) => st.textLabelComponent?.text);
+			set
+			{
+				BlockEngine.SetBlockInfoViewStruct(this, (ref TextLabelEntityViewStruct text, string val) =>
+				{
+					if (text.textLabelComponent != null) text.textLabelComponent.text = val;
+				}, value);
+			}
+		}
+
+		private BlockGroup blockGroup;
+		/// <summary>
+		/// Returns the block group this block is a part of. Block groups can also be placed using blueprints.
+		/// Returns null if not part of a group.<br />
+		/// Setting the group after the block has been initialized will not update everything properly,
+		/// so you can only set this property on blocks newly placed by your code.<br />
+		/// To set it for existing blocks, you can use the Copy() method and set the property on the resulting block
+		/// (and remove this block).
+		/// </summary>
+		public BlockGroup BlockGroup
+		{
+			get
+			{
+				if (blockGroup != null) return blockGroup;
+				return blockGroup = BlockEngine.GetBlockInfo(this,
+					(BlockGroupEntityComponent bgec) =>
+						bgec.currentBlockGroup == -1 ? null : new BlockGroup(bgec.currentBlockGroup, this));
+			}
+			set
+			{
+				if (Exists)
+				{
+					Logging.LogWarning("Attempted to set group of existing block. This is not supported."
+					                   + " Copy the block and set the group of the resulting block.");
+					return;
+				}
+				blockGroup?.RemoveInternal(this);
+				BlockEngine.SetBlockInfo(this,
+					(ref BlockGroupEntityComponent bgec, BlockGroup val) => bgec.currentBlockGroup = val?.Id ?? -1,
+					value);
+				value?.AddInternal(this);
+				blockGroup = value;
+			}
+		}
+
+		/// <summary>
+		/// Whether the block exists. The other properties will return a default value if the block doesn't exist.
+		/// If the block was just placed, then this will also return false but the properties will work correctly.
+		/// </summary>
+		public bool Exists => BlockEngine.BlockExists(Id);
+
+		/// <summary>
+		/// Returns an array of blocks that are connected to this one. Returns an empty array if the block doesn't exist.
+		/// </summary>
+		public Block[] GetConnectedCubes() => BlockEngine.GetConnectedBlocks(Id);
+
+		/// <summary>
+		/// Removes this block.
+		/// </summary>
+		/// <returns>True if the block exists and could be removed.</returns>
+		public bool Remove() => RemovalEngine.RemoveBlock(Id);
+
+		/// <summary>
+		/// Returns the rigid body of the chunk of blocks this one belongs to during simulation.
+		/// Can be used to apply forces or move the block around while the simulation is running.
+		/// </summary>
+		/// <returns>The SimBody of the chunk or null if the block doesn't exist or not in simulation mode.</returns>
+		public SimBody GetSimBody()
+		{
+			return BlockEngine.GetBlockInfo(this,
+				(GridConnectionsEntityStruct st) => st.machineRigidBodyId != uint.MaxValue
+					? new SimBody(st.machineRigidBodyId, st.clusterId)
+					: null);
+		}
+
+		/// <summary>
+		/// Creates a copy of the block in the game with the same properties, stats and wires.
+		/// </summary>
+		/// <returns></returns>
+		public T Copy<T>() where T : Block
+		{
+			var block = PlaceNew<T>(Type, Position, Rotation, Color.Color, Color.Darkness, UniformScale, Scale);
+			block.copiedFrom = Id;
+			if (Type == BlockIDs.ConsoleBlock
+			    && (this is ConsoleBlock srcCB || (srcCB = Specialise<ConsoleBlock>()) != null)
+			    && (block is ConsoleBlock dstCB || (dstCB = block.Specialise<ConsoleBlock>()) != null))
+			{
+				//Console block properties are set by a separate engine in the game
+				dstCB.Arg1 = srcCB.Arg1;
+				dstCB.Arg2 = srcCB.Arg2;
+				dstCB.Arg3 = srcCB.Arg3;
+				dstCB.Command = srcCB.Command;
+			}
+			return block;
+		}
+
+		private void OnPlacedInit(object sender, BlockPlacedRemovedEventArgs e)
+		{ //Member method instead of lambda to avoid constantly creating delegates
+			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)
+				BlockCloneEngine.CopyBlockStats(copiedFrom, Id);
+		}
+
+		public override string ToString()
+		{
+			return $"{nameof(Id)}: {Id}, {nameof(Position)}: {Position}, {nameof(Type)}: {Type}, {nameof(Color)}: {Color}, {nameof(Exists)}: {Exists}";
+		}
+
+		public bool Equals(Block other)
+		{
+			if (ReferenceEquals(null, other)) return false;
+			if (ReferenceEquals(this, other)) return true;
+			return Id.Equals(other.Id);
+		}
+		
+		public bool Equals(EGID other)
+		{
+			return Id.Equals(other);
+		}
+
+		public override bool Equals(object obj)
+		{
+			if (ReferenceEquals(null, obj)) return false;
+			if (ReferenceEquals(this, obj)) return true;
+			if (obj.GetType() != this.GetType()) return false;
+			return Equals((Block) obj);
+		}
+
+		public override int GetHashCode()
+		{
+			return Id.GetHashCode();
+		}
+
+		public static void Init()
+		{
+			GameEngineManager.AddGameEngine(PlacementEngine);
+			GameEngineManager.AddGameEngine(MovementEngine);
+			GameEngineManager.AddGameEngine(RotationEngine);
+			GameEngineManager.AddGameEngine(RemovalEngine);
+			GameEngineManager.AddGameEngine(BlockEngine);
+			GameEngineManager.AddGameEngine(BlockEventsEngine);
+			GameEngineManager.AddGameEngine(ScalingEngine);
+			GameEngineManager.AddGameEngine(SignalEngine);
+			GameEngineManager.AddGameEngine(BlockCloneEngine);
+			Wire.signalEngine = SignalEngine; // requires same functionality, no need to duplicate the engine
+		}
+
+        /// <summary>
+        /// Convert the block to a specialised block class.
+        /// </summary>
+        /// <returns>The block.</returns>
+        /// <typeparam name="T">The specialised block type.</typeparam>
+		public T Specialise<T>() where T : Block
+		{
+			// What have I gotten myself into?
+			// C# can't cast to a child of Block unless the object was originally that child type
+			// And C# doesn't let me make implicit cast operators for child types
+			// So thanks to Microsoft, we've got this horrible implementation using reflection
+			
+			//Lets improve that using delegates
+			var block = New<T>(Id.entityID, Id.groupID);
+			if (this.InitData.Group != null)
+			{
+				block.InitData = this.InitData;
+				Placed += block.OnPlacedInit; //Reset InitData of new object
+			}
+
+			return block;
+		}
+
+#if DEBUG
+		public static EntitiesDB entitiesDB
+		{
+			get
+			{
+				return BlockEngine.GetEntitiesDB();
+			}
+		}
+#endif
+	}
+}

GamecraftModdingAPI/BlockGroup.cs

@@ -1,34 +1,33 @@
-using System;
+using System;
 using System.Collections;
 using System.Collections.Generic;
 
 using Gamecraft.Blocks.BlockGroups;
-using Svelto.ECS;
 using Unity.Mathematics;
 using UnityEngine;
 
-using TechbloxModdingAPI.Blocks;
-using TechbloxModdingAPI.Blocks.Engines;
-using TechbloxModdingAPI.Utility;
+using GamecraftModdingAPI.Blocks;
+using GamecraftModdingAPI.Utility;
 
-namespace TechbloxModdingAPI
+namespace GamecraftModdingAPI
 {
     /// <summary>
     /// A group of blocks that can be selected together. The placed version of blueprints. Dispose after usage.
     /// </summary>
-    public class BlockGroup : EcsObjectBase, ICollection<Block>, IDisposable
+    public class BlockGroup : ICollection<Block>, IDisposable
     {
         internal static BlueprintEngine _engine = new BlueprintEngine();
+        public int Id { get; }
         private readonly Block sourceBlock;
         private readonly List<Block> blocks;
         private float3 position, rotation;
         internal bool PosAndRotCalculated;
 
-        internal BlockGroup(int id, Block block) : base(new EGID((uint)id,
-            BlockGroupExclusiveGroups.BlockGroupEntityGroup))
+        internal BlockGroup(int id, Block block)
         {
             if (id == BlockGroupUtility.GROUP_UNASSIGNED)
                 throw new BlockException("Cannot create a block group for blocks without a group!");
+            Id = id;
             sourceBlock = block;
             blocks = new List<Block>(GetBlocks());
             Block.Removed += OnBlockRemoved;
@@ -170,7 +169,7 @@ namespace TechbloxModdingAPI
         internal void AddInternal(Block item)
         {
             blocks.Add(item);
-            _engine.AddBlockToGroup(item.Id, (int) Id.entityID);
+            _engine.AddBlockToGroup(item.Id, Id);
         }
 
         /// <summary>

GamecraftModdingAPI/Blocks/BlockCloneEngine.cs

@@ -2,15 +2,16 @@
 using System.Collections.Generic;
 using System.Reflection;
 using Gamecraft.Wires;
+using GamecraftModdingAPI.Engines;
 using HarmonyLib;
 using RobocraftX.Blocks;
 using RobocraftX.Character;
 using RobocraftX.Common;
+using RobocraftX.Common.Players;
 using Svelto.DataStructures;
 using Svelto.ECS;
-using TechbloxModdingAPI.Engines;
 
-namespace TechbloxModdingAPI.Blocks.Engines
+namespace GamecraftModdingAPI.Blocks
 {
     public class BlockCloneEngine : IApiEngine
     {
@@ -47,9 +48,10 @@ namespace TechbloxModdingAPI.Blocks.Engines
                     var oldStruct = pickedBlock;
                     pickedBlock.pickedBlockEntityID = sourceID;
                     pickedBlock.placedBlockEntityID = targetID;
+                    pickedBlock.placedBlockTweaksCopied = false;
                     pickedBlock.placedBlockTweaksMustCopy = true;
-                    if (entitiesDB.Exists<BlockTagEntityStruct>(pickedBlock.pickedBlockEntityID)
-                        && entitiesDB.Exists<BlockTagEntityStruct>(pickedBlock.placedBlockEntityID))
+                    if (entitiesDB.Exists<DBEntityStruct>(pickedBlock.pickedBlockEntityID)
+                        && entitiesDB.Exists<DBEntityStruct>(pickedBlock.placedBlockEntityID))
                     {
                         copyFromBlock.Invoke(Patch.copyEngine, new object[] {pickedBlock.ID, pickedBlock});
 
@@ -60,10 +62,11 @@ namespace TechbloxModdingAPI.Blocks.Engines
                         
                         copyToBlock.Invoke(Patch.copyEngine, new object[] {pickedBlock.ID, pickedBlock});
 
-                        ExclusiveGroupStruct group = BuildModeWiresGroups.WIRES_COPY_GROUP + playerID;
+                        ExclusiveGroupStruct group = WiresExclusiveGroups.WIRES_COPY_GROUP + playerID;
                         copyWireToBlock.Invoke(Patch.createWireEngine, new object[] {group, pickedBlock.ID});
                         
                         pickedBlock.placedBlockTweaksMustCopy = false;
+                        pickedBlock.placedBlockTweaksCopied = false;
                     }
 
                     pickedBlock = oldStruct; //Make sure to not interfere with the game - Although that might not be the case with the wire copying
@@ -99,7 +102,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
             }
         }
 
-        public string Name { get; } = "TechbloxModdingAPIBlockCloneGameEngine";
+        public string Name { get; } = "GamecraftModdingAPIBlockCloneGameEngine";
         public bool isRemovable { get; } = false;
     }
 }

GamecraftModdingAPI/Blocks/BlockColor.cs

@@ -0,0 +1,64 @@
+using System;
+using Unity.Mathematics;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public struct BlockColor
+    {
+        public BlockColors Color;
+        public byte Darkness;
+
+        public byte Index => Color == BlockColors.Default
+            ? byte.MaxValue
+            : (byte) (Darkness * 10 + Color);
+
+        public BlockColor(byte index)
+        {
+            if (index == byte.MaxValue)
+            {
+                Color = BlockColors.Default;
+                Darkness = 0;
+            }
+            else
+            {
+                if (index > 99)
+                    throw new ArgumentOutOfRangeException(nameof(index), "Invalid color index. Must be 0-90 or 255.");
+                Color = (BlockColors) (index % 10);
+                Darkness = (byte) (index / 10);
+            }
+        }
+
+        public BlockColor(BlockColors color, byte darkness)
+        {
+            if (darkness > 9)
+                throw new ArgumentOutOfRangeException(nameof(darkness), "Darkness must be 0-9 where 0 is default.");
+            Color = color;
+            Darkness = darkness;
+        }
+
+        public float4 RGBA => Block.BlockEngine.ConvertBlockColor(Index);
+
+        public override string ToString()
+        {
+            return $"{nameof(Color)}: {Color}, {nameof(Darkness)}: {Darkness}";
+        }
+    }
+
+    /// <summary>
+    /// Preset block colours
+    /// </summary>
+    public enum BlockColors
+    {
+        Default = byte.MaxValue,
+        White = 0,
+        Pink,
+        Purple,
+        Blue,
+        Aqua,
+        Green,
+        Lime,
+        Yellow,
+        Orange,
+        Red
+    }
+}

GamecraftModdingAPI/Blocks/BlockEngine.cs

@@ -0,0 +1,305 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+using Gamecraft.ColourPalette;
+using Gamecraft.TimeRunning;
+using Gamecraft.Wires;
+using RobocraftX.Blocks;
+using RobocraftX.Common;
+using RobocraftX.Physics;
+using RobocraftX.Rendering;
+using Svelto.ECS.EntityStructs;
+
+using Svelto.DataStructures;
+using Svelto.ECS;
+using Svelto.ECS.Hybrid;
+using Unity.Mathematics;
+
+using GamecraftModdingAPI.Engines;
+
+namespace GamecraftModdingAPI.Blocks
+{
+	/// <summary>
+	/// Engine for executing general block actions
+	/// </summary>
+	public partial class BlockEngine : IApiEngine
+	{
+		public string Name { get; } = "GamecraftModdingAPIBlockGameEngine";
+
+		public EntitiesDB entitiesDB { set; private get; }
+
+		public bool isRemovable => false;
+
+		public void Dispose()
+		{
+		}
+
+		public void Ready()
+		{
+		}
+
+		public Block[] GetConnectedBlocks(EGID blockID)
+		{
+			if (!BlockExists(blockID)) return new Block[0];
+			Stack<EGID> cubeStack = new Stack<EGID>();
+			FasterList<EGID> cubes = new FasterList<EGID>(10);
+			var coll = entitiesDB.QueryEntities<GridConnectionsEntityStruct>();
+			foreach (var (ecoll, _) in coll)
+			{
+				var ecollB = ecoll.ToBuffer();
+				for(int i = 0; i < ecoll.count; i++)
+				{
+					ref var conn = ref ecollB.buffer[i];
+					conn.isProcessed = false;
+				}
+			}
+
+			ConnectedCubesUtility.TreeTraversal.GetConnectedCubes(entitiesDB, blockID, cubeStack, cubes,
+				(in GridConnectionsEntityStruct g) => { return false; });
+
+			var ret = new Block[cubes.count];
+			for (int i = 0; i < cubes.count; i++)
+				ret[i] = new Block(cubes[i]);
+			return ret;
+		}
+
+		public float4 ConvertBlockColor(byte index) => index == byte.MaxValue
+			? new float4(-1f, -1f, -1f, -1f)
+			: entitiesDB.QueryEntity<PaletteEntryEntityStruct>(index,
+				CommonExclusiveGroups.COLOUR_PALETTE_GROUP).Colour;
+
+		public ref T GetBlockInfo<T>(EGID blockID) where T : unmanaged, IEntityComponent
+		{
+			if (entitiesDB.Exists<T>(blockID))
+				return ref entitiesDB.QueryEntity<T>(blockID);
+			T[] structHolder = new T[1]; //Create something that can be referenced
+			return ref structHolder[0]; //Gets a default value automatically
+		}
+		
+		public ref T GetBlockInfoViewStruct<T>(EGID blockID) where T : struct, INeedEGID, IEntityViewComponent
+		{
+			if (entitiesDB.Exists<T>(blockID))
+			{
+				// TODO: optimize by using EntitiesDB internal calls instead of iterating over everything
+				BT<MB<T>> entities = entitiesDB.QueryEntities<T>(blockID.groupID).ToBuffer();
+				for (int i = 0; i < entities.count; i++)
+				{
+					if (entities.buffer[i].ID == blockID)
+					{
+						return ref entities.buffer[i];
+					}
+				}
+			}
+			T[] structHolder = new T[1]; //Create something that can be referenced
+			return ref structHolder[0]; //Gets a default value automatically
+		}
+
+		public U GetBlockInfo<T, U>(Block block, Func<T, U> getter,
+			U def = default) where T : unmanaged, IEntityComponent
+		{
+			if (entitiesDB.Exists<T>(block.Id))
+				return getter(entitiesDB.QueryEntity<T>(block.Id));
+			return GetBlockInitInfo(block, getter, def);
+		}
+		
+		public U GetBlockInfoViewStruct<T, U>(Block block, Func<T, U> getter,
+			U def = default) where T : struct, IEntityViewComponent
+		{
+			if (entitiesDB.Exists<T>(block.Id))
+				return getter(entitiesDB.QueryEntity<T>(block.Id));
+			return GetBlockInitInfo(block, getter, def);
+		}
+
+		private U GetBlockInitInfo<T, U>(Block block, Func<T, U> getter, U def) where T : struct, IEntityComponent
+		{
+			if (block.InitData.Group == null) return def;
+			var initializer = new EntityComponentInitializer(block.Id, block.InitData.Group);
+			if (initializer.Has<T>())
+				return getter(initializer.Get<T>());
+			return def;
+		}
+
+		public delegate void Setter<T, U>(ref T component, U value) where T : struct, IEntityComponent;
+
+		public void SetBlockInfoViewStruct<T, U>(Block block, Setter<T, U> setter, U value) where T : struct, IEntityViewComponent
+		{
+			if (entitiesDB.Exists<T>(block.Id))
+				setter(ref entitiesDB.QueryEntity<T>(block.Id), value);
+			else
+				SetBlockInitInfo(block, setter, value);
+		}
+		
+		public void SetBlockInfo<T, U>(Block block, Setter<T, U> setter, U value) where T : unmanaged, IEntityComponent
+		{
+			if (entitiesDB.Exists<T>(block.Id))
+				setter(ref entitiesDB.QueryEntity<T>(block.Id), value);
+			else
+				SetBlockInitInfo(block, setter, value);
+		}
+
+		private void SetBlockInitInfo<T, U>(Block block, Setter<T, U> setter, U value)
+			where T : struct, IEntityComponent
+		{
+			if (block.InitData.Group != null)
+			{
+				var initializer = new EntityComponentInitializer(block.Id, block.InitData.Group);
+				T component = initializer.Has<T>() ? initializer.Get<T>() : default;
+				ref T structRef = ref component;
+				setter(ref structRef, value);
+				initializer.Init(structRef);
+			}
+		}
+
+		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);
+		}
+
+		public bool BlockExists(EGID blockID)
+		{
+			return entitiesDB.Exists<DBEntityStruct>(blockID);
+		}
+
+		public bool GetBlockInfoExists<T>(Block block) where T : struct, IEntityComponent
+		{
+			if (entitiesDB.Exists<T>(block.Id))
+				return true;
+			if (block.InitData.Group == null)
+				return false;
+			var init = new EntityComponentInitializer(block.Id, block.InitData.Group);
+			return init.Has<T>();
+		}
+
+		public SimBody[] GetSimBodiesFromID(byte id)
+		{
+			var ret = new FasterList<SimBody>(4);
+			if (!entitiesDB.HasAny<ObjectIdEntityStruct>(CommonExclusiveGroups.OBJID_BLOCK_GROUP))
+				return new SimBody[0];
+			var oids = entitiesDB.QueryEntities<ObjectIdEntityStruct>(CommonExclusiveGroups.OBJID_BLOCK_GROUP).ToBuffer();
+			var connections = entitiesDB.QueryMappedEntities<GridConnectionsEntityStruct>(CommonExclusiveGroups.OBJID_BLOCK_GROUP);
+			for (int i = 0; i < oids.count; i++)
+			{
+				ref ObjectIdEntityStruct oid = ref oids.buffer[i];
+				if (oid.objectId != id) continue;
+				var rid = connections.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: ;
+			}
+			return ret.ToArray();
+		}
+
+		public ObjectIdentifier[] GetObjectIDsFromID(byte id, bool sim)
+		{
+			var ret = new FasterList<ObjectIdentifier>(4);
+			if (!entitiesDB.HasAny<ObjectIdEntityStruct>(CommonExclusiveGroups.OBJID_BLOCK_GROUP))
+				return new ObjectIdentifier[0];
+			var oids = entitiesDB.QueryEntities<ObjectIdEntityStruct>(CommonExclusiveGroups.OBJID_BLOCK_GROUP).ToBuffer();
+			for (int i = 0; i < oids.count; i++)
+			{
+				ref ObjectIdEntityStruct oid = ref oids.buffer[i];
+				if (sim ? oid.simObjectId == id : oid.objectId == id)
+					ret.Add(new ObjectIdentifier(oid.ID));
+			}
+
+			return ret.ToArray();
+		}
+
+		public SimBody[] GetConnectedSimBodies(uint id)
+		{
+			var joints = entitiesDB.QueryEntities<JointEntityStruct>(MachineSimulationGroups.JOINTS_GROUP).ToBuffer();
+			var list = new FasterList<SimBody>(4);
+			for (int i = 0; i < joints.count; i++)
+			{
+				ref var joint = ref joints.buffer[i];
+				if (joint.jointState == JointState.Broken) continue;
+				if (joint.connectedEntityA == id) list.Add(new SimBody(joint.connectedEntityB));
+				else if (joint.connectedEntityB == id) list.Add(new SimBody(joint.connectedEntityA));
+			}
+
+			return list.ToArray();
+		}
+
+		public SimBody[] GetClusterBodies(uint cid)
+		{
+			var groups = entitiesDB.QueryEntities<GridConnectionsEntityStruct>();
+			var bodies = new HashSet<uint>();
+			foreach (var (coll, _) in groups)
+			{
+				var array = coll.ToBuffer().buffer;
+				for (var index = 0; index < array.capacity; index++)
+				{
+					var conn = array[index];
+					if (conn.clusterId == cid)
+						bodies.Add(conn.machineRigidBodyId);
+				}
+			}
+
+			return bodies.Select(id => new SimBody(id, cid)).ToArray();
+		}
+
+		public EGID? FindBlockEGID(uint id)
+		{
+			var groups = entitiesDB.FindGroups<DBEntityStruct>();
+			foreach (ExclusiveGroupStruct group in groups)
+			{
+				if (entitiesDB.Exists<DBEntityStruct>(id, group))
+					return new EGID(id, group);
+			}
+
+			return null;
+		}
+
+		public Cluster GetCluster(uint sbid)
+		{
+			var groups = entitiesDB.QueryEntities<GridConnectionsEntityStruct>();
+			foreach (var (coll, _) in groups)
+			{
+				var array = coll.ToBuffer().buffer;
+				for (var index = 0; index < array.capacity; index++)
+				{
+					var conn = array[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);
+				}
+			}
+
+			return null;
+		}
+
+		public Block[] GetBodyBlocks(uint sbid)
+		{
+			var groups = entitiesDB.QueryEntities<GridConnectionsEntityStruct>();
+			var set = new HashSet<Block>();
+			foreach (var (coll, _) in groups)
+			{
+				var array = coll.ToBuffer().buffer;
+				for (var index = 0; index < array.capacity; index++)
+				{
+					var conn = array[index];
+					if (conn.machineRigidBodyId == sbid)
+						set.Add(new Block(conn.ID));
+				}
+			}
+
+			return set.ToArray();
+		}
+
+#if DEBUG
+		public EntitiesDB GetEntitiesDB()
+		{
+			return entitiesDB;
+		}
+#endif
+	}
+}

GamecraftModdingAPI/Blocks/BlockEngineInit.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Linq.Expressions;
+
+using Svelto.DataStructures;
+using Svelto.ECS;
+using Svelto.ECS.Internal;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public partial class BlockEngine
+    {
+        /// <summary>
+        /// Holds information needed to construct a component initializer
+        /// </summary>
+        internal struct BlockInitData
+        {
+            public FasterDictionary<RefWrapperType, ITypeSafeDictionary> Group;
+        }
+
+        internal delegate FasterDictionary<RefWrapperType, ITypeSafeDictionary> GetInitGroup(
+            EntityComponentInitializer initializer);
+
+        /// <summary>
+        /// Accesses the group field of the initializer
+        /// </summary>
+        internal GetInitGroup InitGroup = CreateAccessor<GetInitGroup>("_group");
+
+        //https://stackoverflow.com/questions/55878525/unit-testing-ref-structs-with-private-fields-via-reflection
+        internal static TDelegate CreateAccessor<TDelegate>(string memberName) where TDelegate : Delegate
+        {
+            var invokeMethod = typeof(TDelegate).GetMethod("Invoke");
+            if (invokeMethod == null)
+                throw new InvalidOperationException($"{typeof(TDelegate)} signature could not be determined.");
+
+            var delegateParameters = invokeMethod.GetParameters();
+            if (delegateParameters.Length != 1)
+                throw new InvalidOperationException("Delegate must have a single parameter.");
+
+            var paramType = delegateParameters[0].ParameterType;
+
+            var objParam = Expression.Parameter(paramType, "obj");
+            var memberExpr = Expression.PropertyOrField(objParam, memberName);
+            Expression returnExpr = memberExpr;
+            if (invokeMethod.ReturnType != memberExpr.Type)
+                returnExpr = Expression.ConvertChecked(memberExpr, invokeMethod.ReturnType);
+
+            var lambda =
+                Expression.Lambda<TDelegate>(returnExpr, $"Access{paramType.Name}_{memberName}", new[] {objParam});
+            return lambda.Compile();
+        }
+    }
+}

GamecraftModdingAPI/Blocks/BlockEventsEngine.cs

@@ -0,0 +1,56 @@
+using System;
+
+using RobocraftX.Common;
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Engines;
+using GamecraftModdingAPI.Utility;
+using RobocraftX.Blocks;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public class BlockEventsEngine : IReactionaryEngine<BlockTagEntityStruct>
+    {
+        public event EventHandler<BlockPlacedRemovedEventArgs> Placed;
+        public event EventHandler<BlockPlacedRemovedEventArgs> Removed;
+
+        public void Ready()
+        {
+        }
+
+        public EntitiesDB entitiesDB { get; set; }
+
+        public void Dispose()
+        {
+        }
+
+        public string Name { get; } = "GamecraftModdingAPIBlockEventsEngine";
+        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});
+        }
+
+        public void Remove(ref BlockTagEntityStruct entityComponent, EGID egid)
+        {
+            if (!(shouldAddRemove = !shouldAddRemove))
+                return;
+            ExceptionUtil.InvokeEvent(Removed, this,
+                new BlockPlacedRemovedEventArgs {ID = egid});
+        }
+    }
+
+    public struct BlockPlacedRemovedEventArgs
+    {
+        public EGID ID;
+        public BlockIDs Type;
+        private Block block;
+
+        public Block Block => block ?? (block = new Block(ID));
+    }
+}

GamecraftModdingAPI/Blocks/BlockExceptions.cs

@@ -1,10 +1,10 @@
 using System;
 
-using TechbloxModdingAPI;
+using GamecraftModdingAPI;
 
-namespace TechbloxModdingAPI.Blocks
+namespace GamecraftModdingAPI.Blocks
 {
-	public class BlockException : TechbloxModdingAPIException
+	public class BlockException : GamecraftModdingAPIException
 	{
 		public BlockException()
 		{

GamecraftModdingAPI/Blocks/BlockIDs.cs

@@ -0,0 +1,356 @@
+namespace GamecraftModdingAPI.Blocks
+{
+    /// <summary>
+    /// Possible block types
+    /// </summary>
+    public enum BlockIDs : ushort
+    {
+        /// <summary>
+        /// Called "nothing" in Gamecraft. (DBID.NOTHING)
+        /// </summary>
+        Invalid = ushort.MaxValue,
+        AluminiumCube = 0,
+        AxleS,
+        HingeS = 3,
+        MotorS,
+        HingeM,
+        MotorM,
+        TyreM,
+        AxleM,
+        IronCube,
+        RubberCube,
+        OiledCube,
+        AluminiumConeSegment, //12
+        AluminiumCorner,
+        AluminiumRoundedCorner,
+        AluminiumSlicedCube,
+        AluminiumRoundedSlicedCube,
+        AluminiumCylinder,
+        AluminiumPyramidSegment,
+        AluminiumSlope,
+        AluminiumRoundedSlope,
+        AluminiumSphere,
+        RubberConeSegment, //22
+        RubberCorner,
+        RubberRoundedCorner,
+        RubberSlicedCube,
+        RubberRoundedSlicedCube,
+        RubberCylinder,
+        RubberPyramidSegment,
+        RubberSlope,
+        RubberRoundedSlope,
+        RubberSphere,
+        OiledConeSegment, //32
+        OiledCorner,
+        OiledRoundedCorner,
+        OiledSlicedCube,
+        OiledRoundedSlicedCube,
+        OiledCylinder,
+        OiledPyramidSegment,
+        OiledSlope,
+        OiledRoundedSlope,
+        OiledSphere,
+        IronConeSegment, //42
+        IronCorner,
+        IronRoundedCorner,
+        IronSlicedCube,
+        IronRoundedSlicedCube,
+        IronCylinder,
+        IronPyramidSegment,
+        IronSlope,
+        IronRoundedSlope,
+        IronSphere,
+        GlassCube, //52
+        GlassSlicedCube,
+        GlassSlope,
+        GlassCorner,
+        GlassPyramidSegment,
+        GlassRoundedSlicedCube,
+        GlassRoundedSlope,
+        GlassRoundedCorner,
+        GlassConeSegment,
+        GlassCylinder,
+        GlassSphere,
+        Lever, //63 - two IDs skipped
+        PlayerSpawn = 66, //Crashes without special handling
+        SmallSpawn,
+        MediumSpawn,
+        LargeSpawn,
+        BallJoint,
+        UniversalJoint,
+        ServoAxle,
+        ServoHinge,
+        StepperAxle,
+        StepperHinge,
+        TelescopicJoint,
+        DampedSpring,
+        ServoPiston,
+        StepperPiston,
+        PneumaticPiston,
+        PneumaticHinge,
+        PneumaticAxle, //82
+        PilotSeat = 90, //Might crash
+        PassengerSeat,
+        PilotControls,
+        GrassCube,
+        DirtCube,
+        GrassConeSegment,
+        GrassCorner,
+        GrassRoundedCorner,
+        GrassSlicedCube,
+        GrassRoundedSlicedCube,
+        GrassPyramidSegment,
+        GrassSlope,
+        GrassRoundedSlope,
+        DirtConeSegment,
+        DirtCorner,
+        DirtRoundedCorner,
+        DirtSlicedCube,
+        DirtRoundedSlicedCube,
+        DirtPyramidSegment,
+        DirtSlope,
+        DirtRoundedSlope,
+        RubberHemisphere,
+        AluminiumHemisphere,
+        GrassInnerCornerBulged,
+        DirtInnerCornerBulged,
+        IronHemisphere,
+        OiledHemisphere,
+        GlassHemisphere,
+        TyreS,
+        ThreeWaySwitch,
+        Dial, //120
+        CharacterOnEnterTrigger, //Probably crashes
+        CharacterOnLeaveTrigger,
+        CharacterOnStayTrigger,
+        ObjectOnEnterTrigger,
+        ObjectOnLeaveTrigger,
+        ObjectOnStayTrigger,
+        Button,
+        Switch,
+        TextBlock, //Brings up a screen
+        ConsoleBlock, //Brings up a screen
+        Door,
+        GlassDoor,
+        PoweredDoor,
+        PoweredGlassDoor,
+        AluminiumTubeCorner,
+        IronTubeCorner,
+        WoodCube,
+        WoodSlicedCube,
+        WoodSlope,
+        WoodCorner,
+        WoodPyramidSegment,
+        WoodConeSegment,
+        WoodRoundedSlicedCube,
+        WoodRoundedSlope,
+        WoodRoundedCorner,
+        WoodCylinder,
+        WoodHemisphere,
+        WoodSphere,
+        BrickCube, //149
+        BrickSlicedCube = 151,
+        BrickSlope,
+        BrickCorner,
+        ConcreteCube,
+        ConcreteSlicedCube,
+        ConcreteSlope,
+        ConcreteCorner,
+        RoadCarTyre,
+        OffRoadCarTyre,
+        RacingCarTyre,
+        BicycleTyre,
+        FrontBikeTyre,
+        RearBikeTyre,
+        ChopperBikeTyre,
+        TractorTyre,
+        MonsterTruckTyre,
+        MotocrossBikeTyre,
+        CartTyre, //168
+        ObjectIdentifier,
+        ANDLogicBlock,
+        NANDLogicBlock,
+        NORLogicBlock,
+        NOTLogicBlock,
+        ORLogicBlock,
+        XNORLogicBlock,
+        XORLogicBlock,
+        AbsoluteMathsBlock,
+        AdderMathsBlock,
+        DividerMathsBlock,
+        SignMathsBlock, //180
+        MaxMathsBlock,
+        MinMathsBlock,
+        MultiplierMathsBlock,
+        SubtractorMathsBlock,
+        SimpleConnector,
+        MeanMathsBlock,
+        Bit,
+        Counter,
+        Timer,
+        ObjectFilter,
+        PlayerFilter,
+        TeamFilter,
+        Number2Text, //193
+        DestructionManager = 260,
+        ChunkHealthModifier,
+        ClusterHealthModifier, //262
+        BeachTree1 = 200,
+        BeachTree2,
+        BeachTree3,
+        Rock1,
+        Rock2,
+        Rock3,
+        Rock4,
+        BirchTree1,
+        BirchTree2,
+        BirchTree3,
+        PineTree1,
+        PineTree2,
+        PineTree3,
+        Flower1,
+        Flower2,
+        Flower3,
+        Shrub1,
+        Shrub2,
+        Shrub3,
+        CliffCube,
+        CliffSlicedCorner,
+        CliffCornerA,
+        CliffCornerB,
+        CliffSlopeA,
+        CliffSlopeB,
+        GrassEdge,
+        GrassEdgeInnerCorner,
+        GrassEdgeCorner,
+        GrassEdgeSlope,
+        CentreHUD,
+        ObjectiveHUD,
+        GameStatsHUD, //231
+        GameOverBlock,
+        SFXBlockGameplay = 240,
+        SFXBlock8Bit,
+        SFXBlockInstrument,
+        SFXBlockSciFi,
+        SFXBlockLoops,
+        SFXBlockVocal,
+        MovementConstrainer, //246
+        RotationConstrainer,
+        AdvancedMovementDampener,
+        AdvancedRotationDampener,
+        Mover = 250,
+        Rotator,
+        MovementDampener,
+        RotationDampener,
+        AdvancedMover,
+        AdvancedRotator,
+        MusicBlock, //256
+        PlasmaCannonBlock,
+        QuantumRiflePickup = 300,
+        QuantumRifleAmmoPickup,
+        AluminiumSlicedFraction,
+        AluminiumSlicedSlope,
+        AluminiumHalfPyramidLeft = 305,
+        AluminiumHalfPyramidRight,
+        AluminiumPyramidSliced,
+        AluminiumTubeCross,
+        AluminiumTubeT,
+        AluminiumPlateSquare,
+        AluminiumPlateCircle,
+        AluminiumPlateTriangle, //312
+        OiledSlicedFraction = 314,
+        OiledSlicedSlope,
+        OiledHalfPyramidLeft,
+        OiledHalfPyramidRight,
+        OiledPyramidSliced,
+        GlassSlicedFraction,
+        GlassSlicedSlope,
+        GlassHalfPyramidLeft,
+        GlassHalfPyramidRight,
+        GlassPyramidSliced,
+        RubberSlicedFraction,
+        RubberSlicedSlope,
+        RubberHalfPyramidLeft,
+        RubberHalfPyramidRight,
+        RubberPyramidSliced,
+        WoodSlicedFraction,
+        WoodSlicedSlope, //330
+        WoodHalfPyramidLeft,
+        WoodHalfPyramidRight,
+        WoodPyramidSliced,
+        HexNetSlicedFraction,
+        HexNetSlicedSlope,
+        HexNetHalfPyramidLeft,
+        HexNetHalfPyramidRight,
+        HexNetPyramidSliced,
+        OiledTubeCross,
+        OiledTubeT, //340
+        GlassTubeCross,
+        GlassTubeT,
+        RubberTubeCross,
+        RubberTubeT,
+        WoodTubeCross,
+        WoodTubeT,
+        HexNetTubeCross,
+        HexNetTubeT,
+        BouncyCube,
+        BouncySlicedCube, //350
+        BouncySlope,
+        BouncyCorner,
+        OiledTubeCorner,
+        GlassTubeCorner,
+        RubberTubeCorner,
+        WoodTubeCorner,
+        Basketball,
+        BowlingBall,
+        SoccerBall,
+        GolfBall, //360
+        HockeyPuck,
+        PoolBall,
+        BouncyBall,
+        TennisBall,
+        UnlitCube,
+        IronSlicedFraction,
+        IronSlicedSlope,
+        IronHalfPyramidLeft,
+        IronHalfPyramidRight,
+        IronPyramidSliced, //370
+        IronTubeCross,
+        IronTubeT,
+        SFXBlockMob = 374,
+        PointLight,
+        SpotLight,
+        SunLight,
+        AmbientLight,
+        UnlitGlowCube = 381,
+        PointLightInvisible,
+        SpotLightInvisible,
+        UnlitSlope,
+        UnlitGlowSlope,
+        Fog,
+        Sky,
+        MagmaRockCube = 777,
+        MagmaRockCubeSliced,
+        MagmaRockSlope,
+        MagmaRockCorner,
+        MagmaRockPyramidSegment,
+        MagmaRockConeSegment,
+        MagmaRockSlicedRounded,
+        MagmaRockSlopeRounded,
+        MagmaRockCornerRounded,
+        HexNetCube,
+        HexNetCubeSliced,
+        HexNetSlope,
+        HexNetCorner,
+        HexNetPyramidSegment,
+        HexNetConeSegment,
+        HexNetSlicedRounded,
+        HexNetSlopeRounded,
+        HexNetCornerRounded, //794
+        MagmaRockBulgedInner,
+        HexNetCylinder = 797,
+        HexNetHemisphere,
+        HexNetSphere,
+        HexNetTubeCorner //800
+    }
+}

GamecraftModdingAPI/Blocks/BlockIdentifiers.cs

@@ -0,0 +1,42 @@
+using Svelto.ECS;
+using RobocraftX.Common;
+
+using HarmonyLib;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    /// <summary>
+    /// ExclusiveGroups and IDs used with blocks
+    /// </summary>
+    public static class BlockIdentifiers
+    {
+        /// <summary>
+        /// Blocks placed by the player
+        /// </summary> - TODO
+        //public static ExclusiveGroup OWNED_BLOCKS { get { return CommonExclusiveGroups.REAL_BLOCKS_GROUPS_DON_T_USE_IN_NEW_CODE; } }
+
+        /// <summary>
+        /// Extra parts used in functional blocks
+        /// </summary>
+        public static ExclusiveGroup FUNCTIONAL_BLOCK_PARTS { get { return CommonExclusiveGroups.FUNCTIONAL_BLOCK_PART_GROUP; } }
+
+        /// <summary>
+        /// Blocks which are disabled in Simulation mode
+        /// </summary>
+        public static ExclusiveGroup SIM_BLOCKS_DISABLED { get { return CommonExclusiveGroups.DISABLED_JOINTS_IN_SIM_GROUP; } }
+
+        //public static ExclusiveGroup SPAWN_POINTS { get { return CommonExclusiveGroups.SPAWN_POINTS_GROUP; } }
+
+        //public static ExclusiveGroup SPAWN_POINTS_DISABLED {  get { return CommonExclusiveGroups.SPAWN_POINTS_DISABLED_GROUP; } }
+
+        /// <summary>
+        /// The ID of the most recently placed block
+        /// </summary>
+        public static uint LatestBlockID {
+            get
+            { //Need the private field as the property increments itself
+				return ((uint) AccessTools.Field(typeof(CommonExclusiveGroups), "_nextBlockEntityID").GetValue(null)) - 1;
+            }
+        }
+    }
+}

GamecraftModdingAPI/Blocks/BlockTests.cs

@@ -0,0 +1,124 @@
+using System;
+
+using Gamecraft.Wires;
+
+using GamecraftModdingAPI;
+using GamecraftModdingAPI.Tests;
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Blocks
+{
+#if TEST
+    /// <summary>
+    /// Block test cases. Not accessible in release versions.
+    /// </summary>
+	[APITestClass]
+	public static class BlockTests
+	{
+		[APITestCase(TestType.EditMode)]
+        public static void TestPlaceNew()
+		{
+			Block newBlock = Block.PlaceNew(BlockIDs.AluminiumCube, Unity.Mathematics.float3.zero);
+			Assert.NotNull(newBlock.Id, "Newly placed block is missing Id. This should be populated when the block is placed.", "Newly placed block Id is not null, block successfully placed.");
+		}
+
+		[APITestCase(TestType.EditMode)]
+        public static void TestInitProperty()
+        {
+            Block newBlock = Block.PlaceNew(BlockIDs.AluminiumCube, Unity.Mathematics.float3.zero + 2);
+			if (!Assert.CloseTo(newBlock.Position, (Unity.Mathematics.float3.zero + 2), $"Newly placed block at {newBlock.Position} is expected at {Unity.Mathematics.float3.zero + 2}.", "Newly placed block position matches.")) return;
+			//Assert.Equal(newBlock.Exists, true, "Newly placed block does not exist, possibly because Sync() skipped/missed/failed.", "Newly placed block exists, Sync() successful.");
+        }
+
+		[APITestCase(TestType.EditMode)]
+        public static void TestTextBlock()
+		{
+			TextBlock textBlock = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
+			Assert.Errorless(() => { textBlock = Block.PlaceNew<TextBlock>(BlockIDs.TextBlock, Unity.Mathematics.float3.zero + 1); }, "Block.PlaceNew<TextBlock>() raised an exception: ", "Block.PlaceNew<TextBlock>() completed without issue.");
+			if (!Assert.NotNull(textBlock, "Block.PlaceNew<TextBlock>() returned null, possibly because it failed silently.", "Specialized TextBlock is not null.")) return;
+			if (!Assert.NotNull(textBlock.Text, "TextBlock.Text is null, possibly because it failed silently.", "TextBlock.Text is not null.")) return;
+			if (!Assert.NotNull(textBlock.TextBlockId, "TextBlock.TextBlockId is null, possibly because it failed silently.", "TextBlock.TextBlockId is not null.")) return;
+		}
+
+		[APITestCase(TestType.EditMode)]
+        public static void TestMotor()
+        {
+			Block newBlock = Block.PlaceNew(BlockIDs.MotorS, Unity.Mathematics.float3.zero + 1);
+			Motor b = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
+			Assert.Errorless(() => { b = newBlock.Specialise<Motor>(); }, "Block.Specialize<Motor>() raised an exception: ", "Block.Specialize<Motor>() completed without issue.");
+            if (!Assert.NotNull(b, "Block.Specialize<Motor>() returned null, possibly because it failed silently.", "Specialized Motor is not null.")) return;
+			if (!Assert.CloseTo(b.Torque, 75f, $"Motor.Torque {b.Torque} does not equal default value, possibly because it failed silently.", "Motor.Torque close enough to default.")) return;
+			if (!Assert.CloseTo(b.TopSpeed, 30f, $"Motor.TopSpeed {b.TopSpeed} does not equal default value, possibly because it failed silently.", "Motor.Torque is close enough to default.")) return;
+			if (!Assert.Equal(b.Reverse, false, $"Motor.Reverse {b.Reverse} does not equal default value, possibly because it failed silently.", "Motor.Reverse is default.")) return;
+        }
+
+		[APITestCase(TestType.EditMode)]
+        public static void TestPiston()
+        {
+			Block newBlock = Block.PlaceNew(BlockIDs.PneumaticPiston, Unity.Mathematics.float3.zero + 1);
+            Piston b = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
+			Assert.Errorless(() => { b = newBlock.Specialise<Piston>(); }, "Block.Specialize<Piston>() raised an exception: ", "Block.Specialize<Piston>() completed without issue.");
+            if (!Assert.NotNull(b, "Block.Specialize<Piston>() returned null, possibly because it failed silently.", "Specialized Piston is not null.")) return;
+			if (!Assert.CloseTo(b.MaximumExtension, 1.01f, $"Piston.MaximumExtension {b.MaximumExtension} does not equal default value, possibly because it failed silently.", "Piston.MaximumExtension is close enough to default.")) return;
+			if (!Assert.CloseTo(b.MaximumForce, 750f, $"Piston.MaximumForce {b.MaximumForce} does not equal default value, possibly because it failed silently.", "Piston.MaximumForce is close enough to default.")) return;
+        }
+
+		[APITestCase(TestType.EditMode)]
+        public static void TestServo()
+        {
+			Block newBlock = Block.PlaceNew(BlockIDs.ServoAxle, Unity.Mathematics.float3.zero + 1);
+            Servo b = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
+			Assert.Errorless(() => { b = newBlock.Specialise<Servo>(); }, "Block.Specialize<Servo>() raised an exception: ", "Block.Specialize<Servo>() completed without issue.");
+            if (!Assert.NotNull(b, "Block.Specialize<Servo>() returned null, possibly because it failed silently.", "Specialized Servo is not null.")) return;
+			if (!Assert.CloseTo(b.MaximumAngle, 180f, $"Servo.MaximumAngle {b.MaximumAngle} does not equal default value, possibly because it failed silently.", "Servo.MaximumAngle is close enough to default.")) return;
+			if (!Assert.CloseTo(b.MinimumAngle, -180f, $"Servo.MinimumAngle {b.MinimumAngle} does not equal default value, possibly because it failed silently.", "Servo.MinimumAngle is close enough to default.")) return;
+			if (!Assert.CloseTo(b.MaximumForce, 750f, $"Servo.MaximumForce {b.MaximumForce} does not equal default value, possibly because it failed silently.", "Servo.MaximumForce is close enough to default.")) return;
+        }
+        
+        [APITestCase(TestType.Game)]
+        public static void TestMusicBlock1()
+        {
+	        Block newBlock = Block.PlaceNew(BlockIDs.MusicBlock, Unity.Mathematics.float3.zero + 2);
+	        MusicBlock b = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
+	        Assert.Errorless(() => { b = newBlock.Specialise<MusicBlock>(); }, "Block.Specialize<MusicBlock>() raised an exception: ", "Block.Specialize<MusicBlock>() completed without issue.");
+	        if (!Assert.NotNull(b, "Block.Specialize<MusicBlock>() returned null, possibly because it failed silently.", "Specialized MusicBlock is not null.")) return;
+	        if (!Assert.CloseTo(b.Volume, 100f, $"MusicBlock.Volume {b.Volume} does not equal default value, possibly because it failed silently.", "MusicBlock.Volume is close enough to default.")) return;
+	        if (!Assert.Equal(b.TrackIndex, 0, $"MusicBlock.TrackIndex {b.TrackIndex} does not equal default value, possibly because it failed silently.", "MusicBlock.TrackIndex is equal to default.")) return;
+	        _musicBlock = b;
+        }
+
+        private static MusicBlock _musicBlock;
+        
+        [APITestCase(TestType.EditMode)]
+        public static void TestMusicBlock2()
+        {
+	        //Block newBlock = Block.GetLastPlacedBlock();
+	        var b = _musicBlock;
+	        if (!Assert.NotNull(b, "Block.Specialize<MusicBlock>() returned null, possibly because it failed silently.", "Specialized MusicBlock is not null.")) return;
+	        b.IsPlaying = true; // play sfx
+	        if (!Assert.Equal(b.IsPlaying, true, $"MusicBlock.IsPlaying {b.IsPlaying} does not equal true, possibly because it failed silently.", "MusicBlock.IsPlaying is set properly.")) return;
+	        if (!Assert.Equal(b.ChannelType, ChannelType.None, $"MusicBlock.ChannelType {b.ChannelType} does not equal default value, possibly because it failed silently.", "MusicBlock.ChannelType is equal to default.")) return;
+	        //Assert.Log(b.Track.ToString());
+	        if (!Assert.Equal(b.Track.ToString(), new Guid("3237ff8f-f5f2-4f84-8144-496ca280f8c0").ToString(), $"MusicBlock.Track {b.Track} does not equal default value, possibly because it failed silently.", "MusicBlock.Track is equal to default.")) return;
+        }
+
+        [APITestCase(TestType.EditMode)]
+        public static void TestLogicGate()
+        {
+	        Block newBlock = Block.PlaceNew(BlockIDs.NOTLogicBlock, Unity.Mathematics.float3.zero + 1);
+	        LogicGate b = null; // Note: the assignment operation is a lambda, which slightly confuses the compiler
+	        Assert.Errorless(() => { b = newBlock.Specialise<LogicGate>(); }, "Block.Specialize<LogicGate>() raised an exception: ", "Block.Specialize<LogicGate>() completed without issue.");
+	        if (!Assert.NotNull(b, "Block.Specialize<LogicGate>() returned null, possibly because it failed silently.", "Specialized LogicGate is not null.")) return;
+	        if (!Assert.Equal(b.InputCount, 1u, $"LogicGate.InputCount {b.InputCount} does not equal default value, possibly because it failed silently.", "LogicGate.InputCount is default.")) return;
+	        if (!Assert.Equal(b.OutputCount, 1u, $"LogicGate.OutputCount {b.OutputCount} does not equal default value, possibly because it failed silently.", "LogicGate.OutputCount is default.")) return;
+	        if (!Assert.NotNull(b, "Block.Specialize<LogicGate>() returned null, possibly because it failed silently.", "Specialized LogicGate is not null.")) return;
+	        //if (!Assert.Equal(b.PortName(0, true), "Input", $"LogicGate.PortName(0, input:true) {b.PortName(0, true)} does not equal default value, possibly because it failed silently.", "LogicGate.PortName(0, input:true) is close enough to default.")) return;
+	        LogicGate target = null;
+	        if (!Assert.Errorless(() => { target = Block.PlaceNew<LogicGate>(BlockIDs.ANDLogicBlock, Unity.Mathematics.float3.zero + 2); })) return;
+	        Wire newWire = null;
+	        if (!Assert.Errorless(() => { newWire = b.Connect(0, target, 0);})) return;
+	        if (!Assert.NotNull(newWire, "SignalingBlock.Connect(...) returned null, possible because it failed silently.", "SignalingBlock.Connect(...) returned a non-null value.")) return;
+        }
+	}
+#endif
+}

GamecraftModdingAPI/Blocks/BlueprintEngine.cs

@@ -1,33 +1,26 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Reflection;
 using Gamecraft.Blocks.BlockGroups;
 using Gamecraft.GUI.Blueprints;
+using GamecraftModdingAPI.Engines;
+using GamecraftModdingAPI.Utility;
 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;
 using Allocator = Svelto.Common.Allocator;
 
-namespace TechbloxModdingAPI.Blocks.Engines
+namespace GamecraftModdingAPI.Blocks
 {
     public class BlueprintEngine : IFactoryEngine
     {
@@ -49,8 +42,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
         private static readonly MethodInfo SerializeGhostBlueprint =
             AccessTools.Method(SerializeGhostBlueprintType, "SerializeClipboardGhostEntities");
 
-        private static NativeEntityRemove nativeBlockRemove;
-        private static NativeEntityRemove nativeConnectionRemove;
+        private static NativeEntityRemove nativeRemove;
         private static MachineGraphConnectionEntityFactory connectionFactory;
         private static IEntityFunctions entityFunctions;
         private static ClipboardSerializationDataResourceManager clipboardManager;
@@ -83,15 +75,15 @@ namespace TechbloxModdingAPI.Blocks.Engines
             int count = selectedBlocksInGroup.Count<EGID>();
             var ret = new Block[count];
             for (uint i = 0; i < count; i++)
-                ret[i] = Block.New(selectedBlocksInGroup.Get<EGID>(i));
+                ret[i] = new Block(selectedBlocksInGroup.Get<EGID>(i));
             selectedBlocksInGroup.FastClear();
             return ret;
         }
 
         public void RemoveBlockGroup(int id)
         {
-            BlockGroupUtility.RemoveAllBlocksInBlockGroup(id, entitiesDB, removedConnections, nativeBlockRemove,
-                nativeConnectionRemove, connectionFactory, default).Complete();
+            BlockGroupUtility.RemoveAllBlocksInBlockGroup(id, entitiesDB, removedConnections, nativeRemove,
+                connectionFactory, default).Complete();
         }
 
         public int CreateBlockGroup(float3 position, quaternion rotation)
@@ -168,15 +160,10 @@ namespace TechbloxModdingAPI.Blocks.Engines
         private void BuildGhostBlueprint(ICollection<Block> blocks, float3 pos, quaternion rot, uint playerID)
         {
             GhostChildUtility.ClearGhostChildren(playerID, entitiesDB, entityFunctions);
-            var bssesopt = entitiesDB.QueryEntityOptional<BoxSelectStateEntityStruct>(new EGID(playerID,
-                BoxSelectExclusiveGroups.BoxSelectVolumeExclusiveGroup));
-            if (!bssesopt)
-                return;
             foreach (var block in blocks)
             {
                 GhostChildUtility.BuildGhostChild(in playerID, block.Id, in pos, in rot, entitiesDB,
-                    BuildGhostBlueprintFactory, false, bssesopt.Get().buildingDroneReference,
-                    FullGameFields._managers.blockLabelResourceManager);
+                    BuildGhostBlueprintFactory, false);
             }
         }
 
@@ -235,7 +222,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
                 new object[] {playerID, blueprintData, entitySerialization, entitiesDB, entityFactory});
             var blocks = new Block[placedBlocks.count];
             for (int i = 0; i < blocks.Length; i++)
-                blocks[i] = Block.New(placedBlocks[i]);
+                blocks[i] = new Block(placedBlocks[i]);
             return blocks;
         }
 
@@ -260,79 +247,8 @@ 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 string Name { get; } = "GamecraftModdingAPIBlueprintGameEngine";
         public bool isRemovable { get; } = false;
 
         [HarmonyPatch]
@@ -341,8 +257,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
             public static void Prefix(IEntityFunctions entityFunctions,
                 MachineGraphConnectionEntityFactory machineGraphConnectionEntityFactory)
             {
-                nativeBlockRemove = entityFunctions.ToNativeRemove<BlockEntityDescriptor>("TBAPI" + nameof(BlueprintEngine));
-                nativeConnectionRemove = entityFunctions.ToNativeRemove<MachineConnectionEntityDescriptor>("TBAPI" + nameof(BlueprintEngine));
+                nativeRemove = entityFunctions.ToNativeRemove<BlockEntityDescriptor>("GCAPI" + nameof(BlueprintEngine));
                 connectionFactory = machineGraphConnectionEntityFactory;
                 BlueprintEngine.entityFunctions = entityFunctions;
             }

GamecraftModdingAPI/Blocks/ConsoleBlock.cs

@@ -0,0 +1,75 @@
+using System;
+
+using RobocraftX.Blocks;
+using RobocraftX.Common;
+using Svelto.ECS;
+using Unity.Mathematics;
+
+using GamecraftModdingAPI;
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Blocks
+{
+	public class ConsoleBlock : SignalingBlock
+    {
+	    public ConsoleBlock(EGID id): base(id)
+        {
+        }
+
+	    public ConsoleBlock(uint id): base(new EGID(id, CommonExclusiveGroups.CONSOLE_BLOCK_GROUP))
+        {
+        }
+
+        // custom console block properties
+
+        /// <summary>
+        /// Setting a nonexistent command will crash the game when switching to simulation
+        /// </summary>
+        public string Command
+		{
+			get
+			{
+				return BlockEngine.GetBlockInfo(this, (ConsoleBlockEntityStruct st) => st.commandName);
+			}
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref ConsoleBlockEntityStruct st, string val) => st.commandName.Set(val),
+					value);
+			}
+		}
+
+		public string Arg1
+		{
+			get => BlockEngine.GetBlockInfo(this, (ConsoleBlockEntityStruct st) => st.arg1);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref ConsoleBlockEntityStruct st, string val) => st.arg1.Set(val),
+					value);
+			}
+		}
+
+		public string Arg2
+        {
+			get => BlockEngine.GetBlockInfo(this, (ConsoleBlockEntityStruct st) => st.arg2);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref ConsoleBlockEntityStruct st, string val) => st.arg2.Set(val),
+					value);
+			}
+        }
+
+		public string Arg3
+        {
+			get => BlockEngine.GetBlockInfo(this, (ConsoleBlockEntityStruct st) => st.arg3);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref ConsoleBlockEntityStruct st, string val) => st.arg3.Set(val),
+					value);
+			}
+        }
+    }
+}

GamecraftModdingAPI/Blocks/DampedSpring.cs

@@ -0,0 +1,48 @@
+using RobocraftX.Blocks;
+using RobocraftX.Common;
+using Svelto.ECS;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public class DampedSpring : Block
+    {
+        public DampedSpring(EGID id) : base(id)
+        {
+        }
+
+        public DampedSpring(uint id) : base(new EGID(id, CommonExclusiveGroups.DAMPEDSPRING_BLOCK_GROUP))
+        {
+        }
+
+        /// <summary>
+        /// The spring's maximum force. This is known as Stiffness in-game
+        /// </summary>
+        public float MaxForce
+        {
+            get => BlockEngine.GetBlockInfo(this, (DampedSpringReadOnlyStruct dsrs) => dsrs.maxForce);
+
+            set => BlockEngine.SetBlockInfo(this,
+                (ref DampedSpringReadOnlyStruct dsrs, float val) => dsrs.maxForce = val, value);
+        }
+
+        /// <summary>
+        /// Alias of MaxForce.
+        /// </summary>
+        public float Stiffness
+        {
+            get => MaxForce;
+            set => MaxForce = value;
+        }
+
+        /// <summary>
+        /// The spring's maximum damping force.
+        /// </summary>
+        public float Damping
+        {
+            get => BlockEngine.GetBlockInfo(this, (LinearJointForcesReadOnlyStruct ljf) => ljf.dampingForceMagnitude);
+
+            set => BlockEngine.SetBlockInfo(this,
+                (ref LinearJointForcesReadOnlyStruct ljf, float val) => ljf.dampingForceMagnitude = val, value);
+        }
+    }
+}

GamecraftModdingAPI/Blocks/LogicGate.cs

@@ -0,0 +1,16 @@
+using RobocraftX.Common;
+using Svelto.ECS;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public class LogicGate : SignalingBlock
+    {
+        public LogicGate(EGID id) : base(id)
+        {
+        }
+
+        public LogicGate(uint id) : base(new EGID(id, CommonExclusiveGroups.LOGIC_BLOCK_GROUP))
+        {
+        }
+    }
+}

GamecraftModdingAPI/Blocks/Motor.cs

@@ -0,0 +1,72 @@
+using System;
+
+using RobocraftX.Blocks;
+using RobocraftX.Common;
+using Svelto.ECS;
+using Unity.Mathematics;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Blocks
+{
+	public class Motor : SignalingBlock
+    {
+        public Motor(EGID id) : base(id)
+        {
+        }
+
+        public Motor(uint id): base(new EGID(id, CommonExclusiveGroups.MOTOR_BLOCK_GROUP))
+        {
+        }
+
+        // custom motor properties
+
+        /// <summary>
+        /// The motor's maximum rotational velocity.
+        /// </summary>
+        public float TopSpeed
+		{
+			get
+			{
+				return BlockEngine.GetBlockInfo(this, (MotorReadOnlyStruct st) => st.maxVelocity);
+			}
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref MotorReadOnlyStruct st, float val) => st.maxVelocity = val, value);
+			}
+		}
+
+		/// <summary>
+        /// The motor's maximum rotational force.
+        /// </summary>
+        public float Torque
+        {
+            get
+            {
+	            return BlockEngine.GetBlockInfo(this, (MotorReadOnlyStruct st) => st.maxForce);
+            }
+
+            set
+            {
+	            BlockEngine.SetBlockInfo(this, (ref MotorReadOnlyStruct st, float val) => st.maxForce = val, value);
+            }
+        }
+
+		/// <summary>
+        /// The motor's direction.
+        /// </summary>
+        public bool Reverse
+        {
+            get
+            {
+	            return BlockEngine.GetBlockInfo(this, (MotorReadOnlyStruct st) => st.reverse);
+            }
+
+            set
+            {
+	            BlockEngine.SetBlockInfo(this, (ref MotorReadOnlyStruct st, bool val) => st.reverse = val, value);
+            }
+        }
+    }
+}

GamecraftModdingAPI/Blocks/MovementEngine.cs

@@ -0,0 +1,80 @@
+using RobocraftX.Common;
+using RobocraftX.UECS;
+using Svelto.ECS;
+using Svelto.ECS.EntityStructs;
+using Unity.Transforms;
+using Unity.Mathematics;
+
+using GamecraftModdingAPI.Utility;
+using GamecraftModdingAPI.Engines;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    /// <summary>
+    /// Engine which executes block movement actions
+    /// </summary>
+    public class MovementEngine : IApiEngine
+    {
+        public string Name { get; } = "GamecraftModdingAPIMovementGameEngine";
+
+        public EntitiesDB entitiesDB { set; private get; }
+
+		public bool isRemovable => false;
+
+		public bool IsInGame = false;
+
+        public void Dispose()
+        {
+            IsInGame = false;
+        }
+
+        public void Ready()
+        {
+            IsInGame = true;
+        }
+
+        // implementations for Movement static class
+
+        internal float3 MoveBlock(EGID blockID, BlockEngine.BlockInitData data, float3 vector)
+        {
+            if (!entitiesDB.Exists<PositionEntityStruct>(blockID))
+            {
+                if (data.Group == null) return float3.zero;
+                var init = new EntityComponentInitializer(blockID, data.Group);
+                init.GetOrCreate<PositionEntityStruct>().position = vector;
+                init.GetOrCreate<GridRotationStruct>().position = vector;
+                init.GetOrCreate<LocalTransformEntityStruct>().position = vector;
+                return vector;
+            }
+            ref PositionEntityStruct posStruct = ref this.entitiesDB.QueryEntity<PositionEntityStruct>(blockID);
+            ref GridRotationStruct gridStruct = ref this.entitiesDB.QueryEntity<GridRotationStruct>(blockID);
+            ref LocalTransformEntityStruct transStruct = ref this.entitiesDB.QueryEntity<LocalTransformEntityStruct>(blockID);
+            ref UECSPhysicsEntityStruct phyStruct = ref this.entitiesDB.QueryEntity<UECSPhysicsEntityStruct>(blockID);
+            // main (persistent) position
+            posStruct.position = vector;
+            // placement grid  position
+            gridStruct.position = vector;
+            // rendered position
+            transStruct.position = vector;
+            // collision position
+            FullGameFields._physicsWorld.EntityManager.SetComponentData(phyStruct.uecsEntity, new Translation
+            {
+                Value = posStruct.position
+            });
+            entitiesDB.QueryEntity<GridConnectionsEntityStruct>(blockID).isProcessed = false;
+            return posStruct.position;
+        }
+
+        internal float3 GetPosition(EGID blockID, BlockEngine.BlockInitData data)
+        {
+            if (!entitiesDB.Exists<PositionEntityStruct>(blockID))
+            {
+                if (data.Group == null) return float3.zero;
+                var init = new EntityComponentInitializer(blockID, data.Group);
+                return init.Has<PositionEntityStruct>() ? init.Get<PositionEntityStruct>().position : float3.zero;
+            }
+            ref PositionEntityStruct posStruct = ref this.entitiesDB.QueryEntity<PositionEntityStruct>(blockID);
+            return posStruct.position;
+        }
+    }
+}

GamecraftModdingAPI/Blocks/MusicBlock.cs

@@ -0,0 +1,146 @@
+using System;
+
+using FMOD.Studio;
+using FMODUnity;
+using Gamecraft.Wires;
+using RobocraftX.Common;
+using RobocraftX.Blocks;
+using Svelto.ECS;
+using Unity.Mathematics;
+
+using GamecraftModdingAPI;
+using GamecraftModdingAPI.Tests;
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public class MusicBlock : SignalingBlock
+    {
+        public MusicBlock(EGID id) : base(id)
+        {
+        }
+
+        public MusicBlock(uint id) : base(new EGID(id, CommonExclusiveGroups.MUSIC_BLOCK_GROUP))
+        {
+        }
+
+        public byte TrackIndex
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this, (MusicBlockDataEntityStruct st) => st.trackIndx);
+            }
+
+            set
+            {
+                BlockEngine.SetBlockInfo(this,
+                    (ref MusicBlockDataEntityStruct msdes, byte val) => msdes.trackIndx = val, value);
+            }
+        }
+
+        public Guid Track
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this,
+                    (MusicBlockDataEntityStruct msdes) => msdes.fmod2DEventPaths.Get<Guid>(msdes.trackIndx));
+            }
+
+            set
+            {
+                BlockEngine.SetBlockInfo(this, (ref MusicBlockDataEntityStruct msdes, Guid val) =>
+                {
+                    for (byte i = 0; i < msdes.fmod2DEventPaths.Count<Guid>(); i++)
+                    {
+                        Guid track = msdes.fmod2DEventPaths.Get<Guid>(i);
+                        if (track == val)
+                        {
+                            msdes.trackIndx = i;
+                            break;
+                        }
+                    }
+                }, value);
+            }
+        }
+
+        public Guid[] Tracks
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this, (MusicBlockDataEntityStruct msdes) =>
+                {
+                    Guid[] tracks = new Guid[msdes.fmod2DEventPaths.Count<Guid>()];
+                    for (byte i = 0; i < tracks.Length; i++)
+                    {
+                        tracks[i] = msdes.fmod2DEventPaths.Get<Guid>(i);
+                    }
+                    return tracks;
+                });
+            }
+        }
+
+        public float Volume
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this, (MusicBlockDataEntityStruct msdes) => msdes.tweakableVolume);
+            }
+
+            set
+            {
+                BlockEngine.SetBlockInfo(this,
+                    (ref MusicBlockDataEntityStruct msdes, float val) => msdes.tweakableVolume = val, value);
+            }
+        }
+
+        public ChannelType ChannelType
+        {
+            get
+            {
+                //Assert.Log("Block exists: " + Exists);
+                return BlockEngine.GetBlockInfo(this,
+                    (MusicBlockDataEntityStruct msdes) => (ChannelType) msdes.channelType);
+            }
+
+            set
+            {
+                BlockEngine.SetBlockInfo(this,
+                    (ref MusicBlockDataEntityStruct msdes, ChannelType val) => msdes.channelType = (byte) val, value);
+            }
+        }
+
+        public bool IsPlaying
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this,
+                    (MusicBlockDataEntityStruct msdes) => msdes.isPlaying);
+            }
+
+            set
+            {
+                BlockEngine.SetBlockInfo(this, (ref MusicBlockDataEntityStruct msdes, bool val) =>
+                {
+                    if (msdes.isPlaying == val) return;
+                    if (val)
+                    {
+                        // start playing
+                        EventInstance inst = RuntimeManager.CreateInstance(msdes.fmod2DEventPaths.Get<Guid>(msdes.trackIndx));
+                        inst.setVolume(msdes.tweakableVolume / 100f);
+                        inst.start();
+                        msdes.eventHandle = inst.handle;
+                    }
+                    else
+                    {
+                        // stop playing
+                        EventInstance inst = default(EventInstance);
+                        inst.handle = msdes.eventHandle;
+                        inst.stop(FMOD.Studio.STOP_MODE.ALLOWFADEOUT);
+                        inst.release();
+                    }
+                    msdes.isPlaying = val;
+                }, value);
+            }
+        }
+    }
+}

GamecraftModdingAPI/Blocks/ObjectIdentifier.cs

@@ -0,0 +1,52 @@
+using Gamecraft.Wires;
+using RobocraftX.Common;
+using Svelto.ECS;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public class ObjectIdentifier : Block
+    {
+        public ObjectIdentifier(EGID id) : base(id)
+        {
+        }
+
+        public ObjectIdentifier(uint id) : base(new EGID(id, CommonExclusiveGroups.OBJID_BLOCK_GROUP))
+        {
+        }
+
+        public char Identifier
+        {
+            get => (char) BlockEngine.GetBlockInfo(this, (ObjectIdEntityStruct st) => st.objectId + 'A');
+            set
+            {
+                BlockEngine.SetBlockInfo(this, (ref ObjectIdEntityStruct st, char val) =>
+                {
+                    st.objectId = (byte) (val - 'A');
+                    Label = val + ""; //The label isn't updated automatically
+                }, value);
+            }
+        }
+
+        /// <summary>
+        /// Simulation-time ID. Assigned by the game starting from 0.
+        /// </summary>
+        public byte SimID
+        {
+            get => BlockEngine.GetBlockInfo(this, (ObjectIdEntityStruct st) => st.simObjectId);
+        }
+
+        /// <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 ObjectIdentifier[] GetByID(char id) => BlockEngine.GetObjectIDsFromID((byte) (id - 'A'), false);
+        
+        /// <summary>
+        /// Finds the identifier blocks with the given simulation-time ID. This ID is assigned by the game starting from 0.
+        /// </summary>
+        /// <param name="id"></param>
+        /// <returns></returns>
+        public static ObjectIdentifier[] GetBySimID(byte id) => BlockEngine.GetObjectIDsFromID(id, true);
+    }
+}

GamecraftModdingAPI/Blocks/Piston.cs

@@ -0,0 +1,51 @@
+using System;
+
+using RobocraftX.Blocks;
+using Svelto.ECS;
+using Unity.Mathematics;
+
+using GamecraftModdingAPI.Utility;
+using RobocraftX.Common;
+
+namespace GamecraftModdingAPI.Blocks
+{
+	public class Piston : SignalingBlock
+    {
+        public Piston(EGID id) : base(id)
+        {
+        }
+
+		public Piston(uint id) : base(new EGID(id, CommonExclusiveGroups.PISTON_BLOCK_GROUP))
+        {
+        }
+
+        // custom piston properties
+
+        /// <summary>
+        /// The piston's max extension distance.
+        /// </summary>
+        public float MaximumExtension
+        {
+	        get => BlockEngine.GetBlockInfo(this, (PistonReadOnlyStruct st) => st.maxDeviation);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref PistonReadOnlyStruct st, float val) => st.maxDeviation = val,
+					value);
+			}
+		}
+
+		/// <summary>
+        /// The piston's max extension force.
+        /// </summary>
+        public float MaximumForce
+		{
+			get => BlockEngine.GetBlockInfo(this, (PistonReadOnlyStruct st) => st.maxForce);
+
+            set
+            {
+	            BlockEngine.SetBlockInfo(this, (ref PistonReadOnlyStruct st, float val) => st.maxForce = val, value);
+            }
+        }
+    }
+}

GamecraftModdingAPI/Blocks/PlacementEngine.cs

@@ -0,0 +1,138 @@
+using System;
+using System.Reflection;
+
+using DataLoader;
+using HarmonyLib;
+using RobocraftX.Blocks;
+using RobocraftX.Blocks.Scaling;
+using RobocraftX.Character;
+using RobocraftX.Common;
+using RobocraftX.CR.MachineEditing;
+using Svelto.ECS;
+using Svelto.ECS.EntityStructs;
+using Unity.Mathematics;
+using UnityEngine;
+
+using GamecraftModdingAPI.Utility;
+using GamecraftModdingAPI.Engines;
+using GamecraftModdingAPI.Players;
+using RobocraftX.Rendering.GPUI;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    /// <summary>
+    /// Engine which executes block placement actions
+    /// </summary>
+    public class PlacementEngine : IApiEngine
+    {
+        public bool IsInGame;
+
+        public void Dispose()
+        {
+            IsInGame = false;
+        }
+
+        public void Ready()
+        {
+            IsInGame = true;
+        }
+
+        public EntitiesDB entitiesDB { get; set; }
+        private static BlockEntityFactory _blockEntityFactory; //Injected from PlaceBlockEngine
+
+        public EGID PlaceBlock(BlockIDs block, BlockColors color, byte darkness, float3 position, int uscale,
+            float3 scale, Player player, float3 rotation, out EntityComponentInitializer initializer)
+        { //It appears that only the non-uniform scale has any visible effect, but if that's not given here it will be set to the uniform one
+            if (darkness > 9)
+                throw new Exception("That is too dark. Make sure to use 0-9 as darkness. (0 is default.)");
+            initializer = BuildBlock((ushort) block, (byte) (color + darkness * 10), position, uscale, scale, rotation,
+                (player ?? new Player(PlayerType.Local)).Id);
+            return initializer.EGID;
+        }
+
+        private EntityComponentInitializer BuildBlock(ushort block, byte color, float3 position, int uscale, float3 scale, float3 rot, uint playerId)
+        {
+            if (_blockEntityFactory == null)
+                throw new BlockException("The factory is null.");
+            if (uscale < 1)
+                throw new BlockException("Scale needs to be at least 1");
+            if (scale.x < 4e-5) scale.x = uscale;
+            if (scale.y < 4e-5) scale.y = uscale;
+            if (scale.z < 4e-5) scale.z = uscale;
+            uint dbid = block;
+            if (!PrefabsID.HasPrefabRegistered(dbid, 0))
+                throw new BlockException("Block with ID " + dbid + " not found!");
+            //RobocraftX.CR.MachineEditing.PlaceBlockEngine
+            ScalingEntityStruct scaling = new ScalingEntityStruct {scale = scale};
+            Quaternion rotQ = Quaternion.Euler(rot);
+            RotationEntityStruct rotation = new RotationEntityStruct {rotation = rotQ};
+            GridRotationStruct gridRotation = new GridRotationStruct
+                {position = position, rotation = rotQ};
+            DBEntityStruct dbEntity = new DBEntityStruct {DBID = dbid};
+            BlockPlacementScaleEntityStruct placementScale = new BlockPlacementScaleEntityStruct
+            {
+                blockPlacementHeight = uscale, blockPlacementWidth = uscale, desiredScaleFactor = uscale
+            };
+            EquippedColourStruct colour = new EquippedColourStruct {indexInPalette = color};
+
+            EntityComponentInitializer
+                structInitializer =
+                    _blockEntityFactory.Build(CommonExclusiveGroups.nextBlockEntityID, dbid); //The ghost block index is only used for triggers
+            if (colour.indexInPalette != byte.MaxValue)
+                structInitializer.Init(new ColourParameterEntityStruct
+                {
+                    indexInPalette = colour.indexInPalette,
+                    hasNetworkChange = true
+                });
+            uint prefabId = PrefabsID.GetPrefabId(dbid, 0);
+            structInitializer.Init(new GFXPrefabEntityStructGPUI(prefabId));
+            structInitializer.Init(new PhysicsPrefabEntityStruct(prefabId));
+            structInitializer.Init(dbEntity);
+            structInitializer.Init(new PositionEntityStruct {position = position});
+            structInitializer.Init(rotation);
+            structInitializer.Init(scaling);
+            structInitializer.Init(gridRotation);
+            structInitializer.Init(new UniformBlockScaleEntityStruct
+            {
+                scaleFactor = placementScale.desiredScaleFactor
+            });
+            structInitializer.Init(new BlockPlacementInfoStruct()
+            {
+                loadedFromDisk = false,
+                placedBy = playerId
+            });
+            
+            /*structInitializer.Init(new CollisionFilterOverride
+            {
+                belongsTo = 32U,
+                collidesWith = 239532U
+            });*/
+
+            PrimaryRotationUtility.InitialisePrimaryDirection(rotation.rotation, ref structInitializer);
+            EGID playerEGID = new EGID(playerId, CharacterExclusiveGroups.OnFootGroup);
+            ref PickedBlockExtraDataStruct pickedBlock = ref entitiesDB.QueryEntity<PickedBlockExtraDataStruct>(playerEGID);
+            pickedBlock.placedBlockEntityID = structInitializer.EGID;
+            pickedBlock.placedBlockWasAPickedBlock = false;
+            return structInitializer;
+        }
+
+        public string Name { get; } = "GamecraftModdingAPIPlacementGameEngine";
+
+		public bool isRemovable => false;
+
+        [HarmonyPatch]
+        public class FactoryObtainerPatch
+        {
+            static void Postfix(BlockEntityFactory blockEntityFactory)
+            {
+                _blockEntityFactory = blockEntityFactory;
+                Logging.MetaDebugLog("Block entity factory injected.");
+            }
+
+            static MethodBase TargetMethod(Harmony instance)
+            {
+                return AccessTools.TypeByName("RobocraftX.CR.MachineEditing.PlaceBlockEngine").GetConstructors()[0];
+            }
+        }
+    }
+}

GamecraftModdingAPI/Blocks/RemovalEngine.cs

@@ -0,0 +1,63 @@
+using System.Reflection;
+
+using HarmonyLib;
+using RobocraftX.Blocks;
+using RobocraftX.Common;
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Utility;
+using GamecraftModdingAPI.Engines;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public class RemovalEngine : IApiEngine
+    {
+        private static IEntityFunctions _entityFunctions;
+        private static MachineGraphConnectionEntityFactory _connectionFactory;
+
+        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);
+            _entityFunctions.RemoveEntity<BlockEntityDescriptor>(target);
+            return true;
+        }
+
+        public void Ready()
+        {
+        }
+
+        public EntitiesDB entitiesDB { get; set; }
+
+        public void Dispose()
+        {
+        }
+
+        public string Name { get; } = "GamecraftModdingAPIRemovalGameEngine";
+
+		public bool isRemovable => false;
+
+		[HarmonyPatch]
+        public class FactoryObtainerPatch
+        {
+            static void Postfix(IEntityFunctions entityFunctions,
+                MachineGraphConnectionEntityFactory machineGraphConnectionEntityFactory)
+            {
+                _entityFunctions = entityFunctions;
+                _connectionFactory = machineGraphConnectionEntityFactory;
+                Logging.MetaDebugLog("Requirements injected.");
+            }
+
+            static MethodBase TargetMethod(Harmony instance)
+            {
+                return AccessTools.TypeByName("RobocraftX.CR.MachineEditing.RemoveBlockEngine").GetConstructors()[0];
+            }
+        }
+    }
+}

GamecraftModdingAPI/Blocks/RotationEngine.cs

@@ -0,0 +1,90 @@
+using RobocraftX.Common;
+using RobocraftX.UECS;
+using Svelto.ECS;
+using Svelto.ECS.EntityStructs;
+using Unity.Mathematics;
+using UnityEngine;
+
+using GamecraftModdingAPI.Utility;
+using GamecraftModdingAPI.Engines;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    /// <summary>
+    /// Engine which executes block movement actions
+    /// </summary>
+    public class RotationEngine : IApiEngine
+    {
+        public string Name { get; } = "GamecraftModdingAPIRotationGameEngine";
+
+        public EntitiesDB entitiesDB { set; private get; }
+
+		public bool isRemovable => false;
+
+		public bool IsInGame = false;
+
+        public void Dispose()
+        {
+            IsInGame = false;
+        }
+
+        public void Ready()
+        {
+            IsInGame = true;
+        }
+
+        // implementations for Rotation static class
+
+        internal float3 RotateBlock(EGID blockID, BlockEngine.BlockInitData data, Vector3 vector)
+        {
+            if (!entitiesDB.Exists<RotationEntityStruct>(blockID))
+            {
+                if (data.Group == null) return float3.zero;
+                var init = new EntityComponentInitializer(blockID, data.Group);
+                init.GetOrCreate<RotationEntityStruct>().rotation = Quaternion.Euler(vector);
+                init.GetOrCreate<GridRotationStruct>().rotation = Quaternion.Euler(vector);
+                init.GetOrCreate<LocalTransformEntityStruct>().rotation = Quaternion.Euler(vector);
+                return vector;
+            }
+            ref RotationEntityStruct rotStruct = ref this.entitiesDB.QueryEntity<RotationEntityStruct>(blockID);
+            ref GridRotationStruct gridStruct = ref this.entitiesDB.QueryEntity<GridRotationStruct>(blockID);
+            ref LocalTransformEntityStruct transStruct = ref this.entitiesDB.QueryEntity<LocalTransformEntityStruct>(blockID);
+            ref UECSPhysicsEntityStruct phyStruct = ref this.entitiesDB.QueryEntity<UECSPhysicsEntityStruct>(blockID);
+            // main (persistent) position
+            Quaternion newRotation = rotStruct.rotation;
+            newRotation.eulerAngles = vector;
+            rotStruct.rotation = newRotation;
+            // placement grid rotation
+            Quaternion newGridRotation = gridStruct.rotation;
+            newGridRotation.eulerAngles = vector;
+            gridStruct.rotation = newGridRotation;
+            // rendered position
+            Quaternion newTransRotation = rotStruct.rotation;
+            newTransRotation.eulerAngles = vector;
+            transStruct.rotation = newTransRotation;
+            // collision position
+            FullGameFields._physicsWorld.EntityManager.SetComponentData(phyStruct.uecsEntity, new Unity.Transforms.Rotation
+            {
+                Value = rotStruct.rotation
+            });
+            entitiesDB.QueryEntity<GridConnectionsEntityStruct>(blockID).isProcessed = false;
+            return ((Quaternion)rotStruct.rotation).eulerAngles;
+
+        }
+
+        internal float3 GetRotation(EGID blockID, BlockEngine.BlockInitData data)
+        {
+            if (!entitiesDB.Exists<RotationEntityStruct>(blockID))
+            {
+                if (data.Group == null) return float3.zero;
+                var init = new EntityComponentInitializer(blockID, data.Group);
+                return init.Has<RotationEntityStruct>()
+                    ? (float3) ((Quaternion) init.Get<RotationEntityStruct>().rotation).eulerAngles
+                    : float3.zero;
+            }
+
+            ref RotationEntityStruct rotStruct = ref entitiesDB.QueryEntity<RotationEntityStruct>(blockID);
+            return ((Quaternion) rotStruct.rotation).eulerAngles;
+        }
+    }
+}

GamecraftModdingAPI/Blocks/ScalingEngine.cs

@@ -2,18 +2,18 @@
 
 using HarmonyLib;
 using RobocraftX.Common;
-using RobocraftX.DOTS;
+using RobocraftX.UECS;
 using Svelto.ECS;
 using Unity.Entities;
 
-using TechbloxModdingAPI.Engines;
-using TechbloxModdingAPI.Utility;
+using GamecraftModdingAPI.Engines;
+using GamecraftModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.Blocks.Engines
+namespace GamecraftModdingAPI.Blocks
 {
     public class ScalingEngine : IApiEngine
     {
-        private static IReactOnAddAndRemove<DOTSPhysicsEntityCreationStruct> physicsEngine;
+        private static IReactOnAddAndRemove<UECSPhysicsEntityCreationStruct> physicsEngine;
 
         public void Ready()
         {
@@ -24,7 +24,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
         {
         }
 
-        public string Name { get; } = "TechbloxModdingAPIScalingEngine";
+        public string Name { get; } = "GamecraftModdingAPIScalingEngine";
         public bool isRemovable { get; } = false;
         
         private EntityManager _entityManager; //Unity entity manager
@@ -34,16 +34,16 @@ namespace TechbloxModdingAPI.Blocks.Engines
 			if (_entityManager == default)
 				_entityManager = FullGameFields._physicsWorld.EntityManager;
 			//Assuming the block exists
-			var entity = entitiesDB.QueryEntity<DOTSPhysicsEntityStruct>(egid).dotsEntity;
-			var pes = new DOTSPhysicsEntityCreationStruct();
-			physicsEngine.Add(ref pes, egid); //Create new DOTS entity
+			var entity = entitiesDB.QueryEntity<UECSPhysicsEntityStruct>(egid).uecsEntity;
+			var pes = new UECSPhysicsEntityCreationStruct();
+			physicsEngine.Add(ref pes, egid); //Create new UECS entity
 			_entityManager.DestroyEntity(entity);
 		}
 
 		[HarmonyPatch]
-        class PhysicsEnginePatch
+        public class PhysicsEnginePatch
         {
-            static void Postfix(IReactOnAddAndRemove<DOTSPhysicsEntityCreationStruct> __instance)
+            static void Postfix(IReactOnAddAndRemove<UECSPhysicsEntityCreationStruct> __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.HandleDOTSPhysicEntitiesWithPrefabCreationEngine" +
+	            return AccessTools.Method("RobocraftX.StateSync.HandleUECSPhysicEntitiesWithPrefabCreationEngine" +
 	                                      ":Ready");
             }
         }

GamecraftModdingAPI/Blocks/Servo.cs

@@ -0,0 +1,76 @@
+using System;
+
+using RobocraftX.Blocks;
+using RobocraftX.Common;
+using Svelto.ECS;
+using Unity.Mathematics;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Blocks
+{
+	public class Servo : SignalingBlock
+    {
+		public Servo(EGID id) : base(id)
+        {
+        }
+
+		public Servo(uint id) : base(new EGID(id, CommonExclusiveGroups.SERVO_BLOCK_GROUP))
+        {
+        }
+
+        // custom servo properties
+
+        /// <summary>
+        /// The servo's minimum angle.
+        /// </summary>
+        public float MinimumAngle
+        {
+	        get => BlockEngine.GetBlockInfo(this, (ServoReadOnlyStruct st) => st.minDeviation);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref ServoReadOnlyStruct st, float val) => st.minDeviation = val, value);
+			}
+		}
+
+		/// <summary>
+        /// The servo's maximum angle.
+        /// </summary>
+        public float MaximumAngle
+        {
+			get => BlockEngine.GetBlockInfo(this, (ServoReadOnlyStruct st) => st.maxDeviation);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref ServoReadOnlyStruct st, float val) => st.maxDeviation = val, value);
+			}
+        }
+
+		/// <summary>
+        /// The servo's maximum force.
+        /// </summary>
+        public float MaximumForce
+        {
+			get => BlockEngine.GetBlockInfo(this, (ServoReadOnlyStruct st) => st.maxForce);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref ServoReadOnlyStruct st, float val) => st.maxForce = val, value);
+			}
+        }
+
+		/// <summary>
+        /// The servo's direction.
+        /// </summary>
+        public bool Reverse
+        {
+			get => BlockEngine.GetBlockInfo(this, (ServoReadOnlyStruct st) => st.reverse);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref ServoReadOnlyStruct st, bool val) => st.reverse = val, value);
+			}
+        }
+    }
+}

GamecraftModdingAPI/Blocks/SfxBlock.cs

@@ -0,0 +1,209 @@
+using System;
+using FMOD.Studio;
+using FMODUnity;
+using Gamecraft.Wires;
+using RobocraftX.Blocks;
+using RobocraftX.Common;
+using Svelto.ECS;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public class SfxBlock : SignalingBlock
+    {
+        public SfxBlock(EGID id) : base(id)
+        {
+        }
+
+        public SfxBlock(uint id) : base(new EGID(id, CommonExclusiveGroups.SIMPLESFX_BLOCK_GROUP /* This could also be BUILD_LOOPEDSFX_BLOCK_GROUP */))
+        {
+        }
+
+        public float Volume
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this, (SoundSfxBlockDataEntityStruct obj) => obj.tweakableVolume);
+            }
+
+            set
+            {
+                BlockEngine.SetBlockInfo(this,
+                    (ref SoundSfxBlockDataEntityStruct obj, float val) => obj.tweakableVolume = val, value);
+            }
+        }
+        
+        public float Pitch
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this, (SoundSfxBlockDataEntityStruct obj) => obj.tweakablePitch);
+            }
+
+            set
+            {
+                BlockEngine.SetBlockInfo(this,
+                    (ref SoundSfxBlockDataEntityStruct obj, float val) => obj.tweakablePitch = val, value);
+            }
+        }
+        
+        public bool Is3D
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this, (SoundSfxBlockDataEntityStruct obj) => obj.is3D);
+            }
+            
+            set
+            {
+                BlockEngine.SetBlockInfo(this,
+                    (ref SoundSfxBlockDataEntityStruct obj, bool val) => obj.is3D = val, value);
+            }
+        }
+        
+        public ChannelType ChannelType
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this, (SoundSfxBlockDataEntityStruct obj) => (ChannelType)obj.channelType);
+            }
+
+            set
+            {
+                BlockEngine.SetBlockInfo(this,
+                    (ref SoundSfxBlockDataEntityStruct obj, ChannelType val) => obj.tweakableVolume = (byte) val, value);
+            }
+        }
+        
+        public byte TrackIndex
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this, (SoundSfxBlockDataEntityStruct obj) => obj.soundEffectIndex);
+            }
+            
+            set
+            {
+                BlockEngine.SetBlockInfo(this,
+                    (ref SoundSfxBlockDataEntityStruct obj, byte val) => obj.soundEffectIndex = val, value);
+            }
+        }
+        
+        // track
+        public Guid Track
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this,
+                    (SoundSfxBlockDataEntityStruct obj) => obj.is3D ? obj.fmod3DEventPaths.Get<Guid>(obj.soundEffectIndex) : obj.fmod2DEventPaths.Get<Guid>(obj.soundEffectIndex));
+            }
+
+            set
+            {
+                BlockEngine.SetBlockInfo(this, (ref SoundSfxBlockDataEntityStruct obj, Guid val) =>
+                {
+                    for (byte i = 0; i < obj.fmod2DEventPaths.Count<Guid>(); i++)
+                    {
+                        Guid track = obj.fmod2DEventPaths.Get<Guid>(i);
+                        if (track == val)
+                        {
+                            obj.soundEffectIndex = i;
+                            obj.is3D = false;
+                            return;
+                        }
+                    }
+                    for (byte i = 0; i < obj.fmod3DEventPaths.Count<Guid>(); i++)
+                    {
+                        Guid track = obj.fmod3DEventPaths.Get<Guid>(i);
+                        if (track == val)
+                        {
+                            obj.soundEffectIndex = i;
+                            obj.is3D = true;
+                            return;
+                        }
+                    }
+                }, value);
+            }
+        }
+        
+        // all tracks
+        public Guid[] Tracks2D
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this, (SoundSfxBlockDataEntityStruct obj) =>
+                {
+                    Guid[] tracks = new Guid[obj.fmod2DEventPaths.Count<Guid>()];
+                    for (byte i = 0; i < tracks.Length; i++)
+                    {
+                        tracks[i] = obj.fmod2DEventPaths.Get<Guid>(i);
+                    }
+                    return tracks;
+                });
+            }
+        }
+        
+        public Guid[] Tracks3D
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this, (SoundSfxBlockDataEntityStruct obj) =>
+                {
+                    Guid[] tracks = new Guid[obj.fmod3DEventPaths.Count<Guid>()];
+                    for (byte i = 0; i < tracks.Length; i++)
+                    {
+                        tracks[i] = obj.fmod2DEventPaths.Get<Guid>(i);
+                    }
+                    return tracks;
+                });
+            }
+        }
+
+        public bool IsLooped
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this, (SoundSfxBlockDataEntityStruct obj) => obj.isLoopedBlock);
+            }
+            
+            set
+            {
+                BlockEngine.SetBlockInfo(this,
+                    (ref SoundSfxBlockDataEntityStruct obj, bool val) => obj.isLoopedBlock = val, value);
+            }
+        }
+        
+        public bool IsPlaying
+        {
+            get
+            {
+                return BlockEngine.GetBlockInfo(this,
+                    (SoundSfxBlockDataEntityStruct obj) => obj.isPlaying);
+            }
+
+            set
+            {
+                BlockEngine.SetBlockInfo(this, (ref SoundSfxBlockDataEntityStruct obj, bool val) =>
+                {
+                    if (obj.isPlaying == val) return;
+                    if (val)
+                    {
+                        // start playing
+                        EventInstance inst = RuntimeManager.CreateInstance(obj.is3D ? obj.fmod3DEventPaths.Get<Guid>(obj.soundEffectIndex) : obj.fmod2DEventPaths.Get<Guid>(obj.soundEffectIndex));
+                        inst.setVolume(obj.tweakableVolume / 100f);
+                        inst.start();
+                        obj.eventHandle = inst.handle;
+                    }
+                    else
+                    {
+                        // stop playing
+                        EventInstance inst = default(EventInstance);
+                        inst.handle = obj.eventHandle;
+                        inst.stop(FMOD.Studio.STOP_MODE.ALLOWFADEOUT);
+                        inst.release();
+                    }
+                    obj.isPlaying = val;
+                }, value);
+            }
+        }
+    }
+}

GamecraftModdingAPI/Blocks/SignalEngine.cs

@@ -1,14 +1,11 @@
 using System;
-
-using Gamecraft.Wires;
-using Svelto.DataStructures;
 using Svelto.ECS;
+using Svelto.DataStructures;
+using Gamecraft.Wires;
 
-using TechbloxModdingAPI.Engines;
-using TechbloxModdingAPI.Utility;
-using TechbloxModdingAPI.Utility.ECS;
+using GamecraftModdingAPI.Engines;
 
-namespace TechbloxModdingAPI.Blocks.Engines
+namespace GamecraftModdingAPI.Blocks
 {
     /// <summary>
     /// Engine which executes signal actions
@@ -20,7 +17,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
 		public const float HIGH = 1.0f;
 		public const float ZERO = 0.0f;
 
-        public string Name { get; } = "TechbloxModdingAPISignalGameEngine";
+        public string Name { get; } = "GamecraftModdingAPISignalGameEngine";
 
         public EntitiesDB entitiesDB { set; private get; }
         
@@ -42,18 +39,19 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
         // implementations for block wiring
 
-        public (WireEntityStruct Wire, EGID ID) CreateNewWire(EGID startBlock, byte startPort, EGID endBlock, byte endPort)
+        public WireEntityStruct CreateNewWire(EGID startBlock, byte startPort, EGID endBlock, byte endPort)
         {
-	        EGID wireEGID = new EGID(BuildModeWiresGroups.NewWireEntityId, BuildModeWiresGroups.WiresGroup.Group);
-	        EntityInitializer wireInitializer = Factory.BuildEntity<WireEntityDescriptor>(wireEGID);
+	        EGID wireEGID = new EGID(WiresExclusiveGroups.NewWireEntityId, NamedExclusiveGroup<WiresGroup>.Group);
+	        EntityComponentInitializer wireInitializer = Factory.BuildEntity<WireEntityDescriptor>(wireEGID);
 			wireInitializer.Init(new WireEntityStruct
 			{
 				sourceBlockEGID = startBlock,
 				sourcePortUsage = startPort,
 				destinationBlockEGID = endBlock,
-				destinationPortUsage = endPort
+				destinationPortUsage = endPort,
+				ID = wireEGID
 			});
-	        return (wireInitializer.Get<WireEntityStruct>(), wireEGID);
+	        return wireInitializer.Get<WireEntityStruct>();
         }
 
         public ref WireEntityStruct GetWire(EGID wire)
@@ -77,8 +75,8 @@ namespace TechbloxModdingAPI.Blocks.Engines
         public ref PortEntityStruct GetPortByOffset(BlockPortsStruct bps, byte portNumber, bool input)
         {
 	        ExclusiveGroup group = input
-		        ? NamedExclusiveGroup<BuildModeWiresGroups.InputPortsGroup>.Group
-		        : NamedExclusiveGroup<BuildModeWiresGroups.OutputPortsGroup>.Group;
+		        ? NamedExclusiveGroup<InputPortsGroup>.Group
+		        : NamedExclusiveGroup<OutputPortsGroup>.Group;
 	        uint id = (input ? bps.firstInputID : bps.firstOutputID) + portNumber;
 	        EGID egid = new EGID(id, group);
 	        if (!entitiesDB.Exists<PortEntityStruct>(egid))
@@ -90,8 +88,8 @@ namespace TechbloxModdingAPI.Blocks.Engines
         
         public ref PortEntityStruct GetPortByOffset(Block block, byte portNumber, bool input)
         {
-	        var bps = entitiesDB.QueryEntityOptional<BlockPortsStruct>(block);
-	        if (!bps)
+	        BlockPortsStruct bps = GetFromDbOrInitData<BlockPortsStruct>(block, block.Id, out bool exists);
+	        if (!exists)
 	        {
 		        throw new BlockException("Block does not exist");
 	        }
@@ -116,8 +114,9 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
         public bool SetSignal(uint signalID, float signal, bool input = true)
         {
-	        var (array, count) = GetSignalStruct(signalID, out uint index, input);
-	        if (count > 0) array[index].valueAsFloat = signal;
+	        var array = GetSignalStruct(signalID, out uint index, input);
+	        var arrayB = array.ToBuffer();
+	        if (array.count > 0) arrayB.buffer[index].valueAsFloat = signal;
             return false;
         }
 
@@ -129,10 +128,11 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
         public float AddSignal(uint signalID, float signal, bool clamp = true, bool input = true)
         {
-	        var (array, count) = GetSignalStruct(signalID, out uint index, input);
-	        if (count > 0)
+	        var array = GetSignalStruct(signalID, out uint index, input);
+	        var arrayB = array.ToBuffer();
+	        if (array.count > 0)
 	        {
-		        ref var channelData = ref array[index];
+		        ref var channelData = ref arrayB.buffer[index];
 		        channelData.valueAsFloat += signal;
 		        if (clamp)
 		        {
@@ -160,8 +160,9 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
         public float GetSignal(uint signalID, bool input = true)
         {
-	        var (array, count) = GetSignalStruct(signalID, out uint index, input);
-	        return count > 0 ? array[index].valueAsFloat : 0f;
+	        var array = GetSignalStruct(signalID, out uint index, input);
+	        var arrayB = array.ToBuffer();
+	        return array.count > 0 ? arrayB.buffer[index].valueAsFloat : 0f;
         }
 
         public uint[] GetSignalIDs(EGID blockID, bool input = true)
@@ -190,7 +191,7 @@ 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<BuildModeWiresGroups.InputPortsGroup>.Group);
+				inputs[i] = new EGID(i + ports.firstInputID, NamedExclusiveGroup<InputPortsGroup>.Group);
 			}
 			return inputs;
 		}
@@ -201,55 +202,68 @@ 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<BuildModeWiresGroups.OutputPortsGroup>.Group);
+                outputs[i] = new EGID(i + ports.firstOutputID, NamedExclusiveGroup<OutputPortsGroup>.Group);
             }
             return outputs;
         }
-		
-		public OptionalRef<PortEntityStruct> MatchBlockIOToPort(Block block, byte portUsage, bool output)
+
+		public EGID MatchBlockInputToPort(Block block, byte portUsage, out bool exists)
 		{
-			return MatchBlockIOToPort(block.Id, portUsage, output);
+			BlockPortsStruct ports = GetFromDbOrInitData<BlockPortsStruct>(block, block.Id, out exists);
+			return new EGID(ports.firstInputID + portUsage, NamedExclusiveGroup<InputPortsGroup>.Group);
 		}
 		
-		public OptionalRef<PortEntityStruct> MatchBlockIOToPort(EGID block, byte portUsage, bool output)
+		public EGID MatchBlockInputToPort(EGID block, byte portUsage, out bool exists)
 		{
 			if (!entitiesDB.Exists<BlockPortsStruct>(block))
-				return default;
-			var group = output
-				? NamedExclusiveGroup<BuildModeWiresGroups.OutputPortsGroup>.Group
-				: NamedExclusiveGroup<BuildModeWiresGroups.InputPortsGroup>.Group;
-			BlockPortsStruct ports = entitiesDB.QueryEntity<BlockPortsStruct>(block);
-			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 = false;
+				return default;
 			}
-
-			return default;
+			exists = true;
+			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)
+		{
+			BlockPortsStruct ports = GetFromDbOrInitData<BlockPortsStruct>(block, block.Id, out exists);
+			return new EGID(ports.firstOutputID + portUsage, NamedExclusiveGroup<OutputPortsGroup>.Group);
+		}
+		
+		public EGID MatchBlockOutputToPort(EGID block, byte portUsage, out bool exists)
+		{
+			if (!entitiesDB.Exists<BlockPortsStruct>(block))
+			{
+				exists = false;
+				return default;
+			}
+			exists = true;
+			BlockPortsStruct ports = entitiesDB.QueryEntity<BlockPortsStruct>(block);
+			return new EGID(ports.firstOutputID + portUsage, NamedExclusiveGroup<OutputPortsGroup>.Group);
 		}
 
-		public OptionalRef<WireEntityStruct> MatchPortToWire(PortEntityStruct port, EGID blockID, out EGID wireID)
+		public ref WireEntityStruct MatchPortToWire(EGID portID, EGID blockID, out bool exists)
 		{
-			var (wires, ids, count) = entitiesDB.QueryEntities<WireEntityStruct>(NamedExclusiveGroup<BuildModeWiresGroups.WiresGroup>.Group);
-			for (uint i = 0; i < count; i++)
+			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++)
 			{
-				if ((wires[i].destinationPortUsage == port.usage && wires[i].destinationBlockEGID == blockID)
-				    || (wires[i].sourcePortUsage == port.usage && wires[i].sourceBlockEGID == blockID))
+				if ((wiresB[i].destinationPortUsage == port.usage && wiresB[i].destinationBlockEGID == blockID)
+				    || (wiresB[i].sourcePortUsage == port.usage && wiresB[i].sourceBlockEGID == blockID))
 				{
-					wireID = new EGID(ids[i], BuildModeWiresGroups.WiresGroup.Group);
-					return new OptionalRef<WireEntityStruct>(wires, i);
+					exists = true;
+					return ref wiresB[i];
 				}
 			}
-
-			wireID = default;
-			return default;
+			exists = false;
+			WireEntityStruct[] defRef = new WireEntityStruct[1];
+            return ref defRef[0];
 		}
 
-		public EGID MatchBlocksToWire(EGID startBlock, EGID endBlock, byte startPort = byte.MaxValue, byte endPort = byte.MaxValue)
+		public ref WireEntityStruct MatchBlocksToWire(EGID startBlock, EGID endBlock, out bool exists, byte startPort = byte.MaxValue,
+			byte endPort = byte.MaxValue)
 		{
 			EGID[] startPorts;
 			if (startPort == byte.MaxValue)
@@ -260,7 +274,7 @@ namespace TechbloxModdingAPI.Blocks.Engines
 			else
 			{
 				BlockPortsStruct ports = entitiesDB.QueryEntity<BlockPortsStruct>(startBlock);
-				startPorts = new EGID[] {new EGID(ports.firstOutputID + startPort, NamedExclusiveGroup<BuildModeWiresGroups.OutputPortsGroup>.Group) };
+				startPorts = new EGID[] {new EGID(ports.firstOutputID + startPort, NamedExclusiveGroup<OutputPortsGroup>.Group) };
 			}
 
 			EGID[] endPorts;
@@ -272,49 +286,59 @@ namespace TechbloxModdingAPI.Blocks.Engines
 			else
 			{
 				BlockPortsStruct ports = entitiesDB.QueryEntity<BlockPortsStruct>(endBlock);
-				endPorts = new EGID[] {new EGID(ports.firstInputID + endPort, NamedExclusiveGroup<BuildModeWiresGroups.InputPortsGroup>.Group) };
+				endPorts = new EGID[] {new EGID(ports.firstInputID + endPort, NamedExclusiveGroup<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]);
-					foreach (var wireOpt in entitiesDB.QueryEntitiesOptional<WireEntityStruct>(
-						         NamedExclusiveGroup<BuildModeWiresGroups.WiresGroup>.Group))
+					for (int w = 0; w < wires.count; w++)
 					{
-						var wire = wireOpt.Get();
-						if ((wire.destinationPortUsage == endPES.usage && wire.destinationBlockEGID == endBlock)
-						    && (wire.sourcePortUsage == startPES.usage && wire.sourceBlockEGID == startBlock))
+						if ((wiresB[w].destinationPortUsage == endPES.usage && wiresB[w].destinationBlockEGID == endBlock)
+						    && (wiresB[w].sourcePortUsage == startPES.usage && wiresB[w].sourceBlockEGID == startBlock))
 						{
-							return wireOpt.EGID;
+							exists = true;
+							return ref wiresB[w];
 						}
 					}
 				}
 			}
-
-			return default;
+			
+			exists = false;
+			WireEntityStruct[] defRef = new WireEntityStruct[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 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 EGID[] GetElectricBlocks()
         {
 	        var res = new FasterList<EGID>();
-            foreach (var ((coll, ids, count), _) in entitiesDB.QueryEntities<BlockPortsStruct>())
+            foreach (var (coll, _) in entitiesDB.QueryEntities<BlockPortsStruct>())
             {
-	            for (int i = 0; i < count; i++)
+	            var collB = coll.ToBuffer();
+	            for (int i = 0; i < coll.count; i++)
 	            {
-		            ref BlockPortsStruct s = ref coll[i];
-		            //res.Add(s.ID); - TODO: Would need to search for the groups for each block
+		            ref BlockPortsStruct s = ref collB.buffer[i];
+		            res.Add(s.ID);
 	            }
             }
 
@@ -323,30 +347,78 @@ namespace TechbloxModdingAPI.Blocks.Engines
 
         public EGID[] WiredToInput(EGID block, byte port)
         {
-	        return entitiesDB
-		        .QueryEntitiesOptional<WireEntityStruct>(NamedExclusiveGroup<BuildModeWiresGroups.WiresGroup>.Group)
-		        .ToArray(wire => wire.ID,
-			        wire => wire.Component.destinationPortUsage == port && wire.Component.destinationBlockEGID == block);
+	        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;
         }
         
         public EGID[] WiredToOutput(EGID block, byte port)
         {
-	        return entitiesDB
-		        .QueryEntitiesOptional<WireEntityStruct>(NamedExclusiveGroup<BuildModeWiresGroups.WiresGroup>.Group)
-		        .ToArray(wire => wire.ID,
-			        wire => wire.Component.sourcePortUsage == port && wire.Component.sourceBlockEGID == block);
+	        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();
+        }
+
+        private ref T GetFromDbOrInitData<T>(Block block, EGID id, out bool exists) where T : unmanaged, IEntityComponent
+        {
+	        T[] defRef = new T[1];
+	        if (entitiesDB.Exists<T>(id))
+	        {
+		        exists = true;
+		        return ref entitiesDB.QueryEntity<T>(id);
+	        }
+	        if (block == null || block.InitData.Group == null)
+	        {
+		        exists = false;
+		        return ref defRef[0];
+	        }
+	        EntityComponentInitializer initializer = new EntityComponentInitializer(block.Id, block.InitData.Group);
+	        if (initializer.Has<T>())
+	        {
+		        exists = true;
+		        return ref initializer.Get<T>();
+	        }
+	        exists = false;
+	        return ref defRef[0];
         }
 
         private EntityCollection<ChannelDataStruct> GetSignalStruct(uint signalID, out uint index, bool input = true)
         {
 	        ExclusiveGroup group = input
-		        ? NamedExclusiveGroup<BuildModeWiresGroups.InputPortsGroup>.Group
-		        : NamedExclusiveGroup<BuildModeWiresGroups.OutputPortsGroup>.Group;
+		        ? NamedExclusiveGroup<InputPortsGroup>.Group
+		        : NamedExclusiveGroup<OutputPortsGroup>.Group;
 	        if (entitiesDB.Exists<PortEntityStruct>(signalID, group))
 	        {
-		        index = entitiesDB.QueryEntity<PortEntityStruct>(signalID, group).firstChannelIndexCachedInSim;
+		        index = entitiesDB.QueryEntity<PortEntityStruct>(signalID, group).anyChannelIndex;
 		        var channelData =
-			        entitiesDB.QueryEntities<ChannelDataStruct>(NamedExclusiveGroup<BuildModeWiresGroups.ChannelDataGroup>.Group);
+			        entitiesDB.QueryEntities<ChannelDataStruct>(NamedExclusiveGroup<ChannelDataGroup>.Group);
 		        return channelData;
 	        }
 

GamecraftModdingAPI/Blocks/SignalingBlock.cs

@@ -4,10 +4,10 @@ using Gamecraft.Wires;
 using Svelto.ECS;
 using Unity.Mathematics;
 
-using TechbloxModdingAPI;
-using TechbloxModdingAPI.Utility;
+using GamecraftModdingAPI;
+using GamecraftModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.Blocks
+namespace GamecraftModdingAPI.Blocks
 {
     /// <summary>
     /// Common implementation for blocks that support wiring.
@@ -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 OptionalRef<WireEntityStruct> GetConnectedWire(PortEntityStruct port, out EGID egid)
+        protected ref WireEntityStruct GetConnectedWire(EGID portId, out bool connected)
 		{
-			return SignalEngine.MatchPortToWire(port, Id, out egid);
+			return ref SignalEngine.MatchPortToWire(portId, Id, out connected);
 		}
 
         /// <summary>
@@ -56,9 +56,10 @@ namespace TechbloxModdingAPI.Blocks
         /// </summary>
         /// <returns>The channel data.</returns>
         /// <param name="portId">Port identifier.</param>
-		protected OptionalRef<ChannelDataStruct> GetChannelData(EGID portId)
+        /// <param name="exists">Whether the channel actually exists.</param>
+		protected ref ChannelDataStruct GetChannelData(EGID portId, out bool exists)
 		{
-			return SignalEngine.GetChannelDataStruct(portId);
+			return ref SignalEngine.GetChannelDataStruct(portId, out exists);
 		}
 
         /// <summary>
@@ -66,7 +67,7 @@ namespace TechbloxModdingAPI.Blocks
         /// </summary>
         public uint InputCount
         {
-	        get => BlockEngine.GetBlockInfo<BlockPortsStruct>(this).inputCount;
+	        get => BlockEngine.GetBlockInfo(this, (BlockPortsStruct st) => st.inputCount);
         }
 
         /// <summary>
@@ -74,7 +75,7 @@ namespace TechbloxModdingAPI.Blocks
         /// </summary>
         public uint OutputCount
 		{
-	        get => BlockEngine.GetBlockInfo<BlockPortsStruct>(this).outputCount;
+	        get => BlockEngine.GetBlockInfo(this, (BlockPortsStruct st) => st.outputCount);
 		}
 
         /// <summary>
@@ -108,6 +109,7 @@ namespace TechbloxModdingAPI.Blocks
         /// <returns>The localized port name.</returns>
         public string PortName(byte port, bool input)
         {
+	        BlockPortsStruct bps = BlockEngine.GetBlockInfo(this, (BlockPortsStruct a) => a);
 	        PortEntityStruct pes = SignalEngine.GetPortByOffset(this, port, input);
 	        return pes.portNameLocalised;
         }

GamecraftModdingAPI/Blocks/SpawnPoint.cs

@@ -0,0 +1,78 @@
+using System;
+
+using RobocraftX.Blocks;
+using RobocraftX.Common;
+using Gamecraft.CharacterVulnerability;
+using Svelto.ECS;
+using Unity.Mathematics;
+
+using GamecraftModdingAPI;
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public class SpawnPoint : Block
+    {
+	    public SpawnPoint(EGID id) : base(id)
+        {
+        }
+
+		public SpawnPoint(uint id) : base(new EGID(id, CommonExclusiveGroups.SPAWNPOINT_BLOCK_GROUP))
+        {
+        }
+
+		// custom spawn point properties
+
+        /// <summary>
+        /// The lives the player spawns in with.
+        /// </summary>
+        public uint Lives
+        {
+	        get => BlockEngine.GetBlockInfo(this, (SpawnPointStatsEntityStruct st) => st.lives);
+
+	        set
+	        {
+		        BlockEngine.SetBlockInfo(this, (ref SpawnPointStatsEntityStruct st, uint val) => st.lives = val, value);
+	        }
+        }
+        
+		/// <summary>
+        /// Whether the spawned player can take damage.
+        /// </summary>
+        public bool Damageable
+        {
+			get => BlockEngine.GetBlockInfo(this, (SpawnPointStatsEntityStruct st) => st.canTakeDamage);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref SpawnPointStatsEntityStruct st, bool val) => st.canTakeDamage = val, value);
+			}
+        }
+
+		/// <summary>
+		/// Whether the game over screen will be displayed
+        /// </summary>
+        public bool GameOverEnabled
+        {
+			get => BlockEngine.GetBlockInfo(this, (SpawnPointStatsEntityStruct st) => st.gameOverScreen);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref SpawnPointStatsEntityStruct st, bool val) => st.gameOverScreen = val, value);
+			}
+        }
+
+		/// <summary>
+        /// The team id for players who spawn here.
+        /// </summary>
+        public byte Team
+        {
+			get => BlockEngine.GetBlockInfo(this, (SpawnPointIdsEntityStruct st) => st.teamId);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref SpawnPointIdsEntityStruct st, byte val) => st.teamId = val, value);
+			}
+        }
+    }
+}

GamecraftModdingAPI/Blocks/TextBlock.cs

@@ -0,0 +1,62 @@
+using System;
+
+using Gamecraft.Blocks.GUI;
+using RobocraftX.Common;
+using Svelto.ECS;
+using Unity.Mathematics;
+
+using GamecraftModdingAPI;
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Blocks
+{
+	public class TextBlock : SignalingBlock
+    {
+		public TextBlock(EGID id) : base(id)
+        {
+        }
+
+		public TextBlock(uint id) : base(new EGID(id, CommonExclusiveGroups.TEXT_BLOCK_GROUP))
+        {
+        }
+
+        // custom text block properties
+
+        /// <summary>
+        /// The text block's current text.
+        /// </summary>
+        public string Text
+		{
+	        get => BlockEngine.GetBlockInfo(this, (TextBlockDataStruct st) => st.textCurrent);
+
+	        set
+	        {
+		        if (value == null) value = "";
+		        BlockEngine.SetBlockInfo(this, (ref TextBlockDataStruct tbds, string val) =>
+		        {
+			        tbds.textCurrent.Set(val);
+			        tbds.textStored.Set(val);
+		        }, value);
+		        BlockEngine.SetBlockInfo(this,
+			        (ref TextBlockNetworkDataStruct st, string val) => st.newTextBlockStringContent.Set(val), value);
+	        }
+        }
+
+        /// <summary>
+        /// The text block's current text block ID (used in ChangeTextBlockCommand).
+        /// </summary>
+        public string TextBlockId
+        {
+	        get => BlockEngine.GetBlockInfo(this, (TextBlockDataStruct st) => st.textBlockID);
+
+	        set
+	        {
+		        if (value == null) value = "";
+		        BlockEngine.SetBlockInfo(this, (ref TextBlockDataStruct tbds, string val) =>
+			        tbds.textBlockID.Set(val), value);
+		        BlockEngine.SetBlockInfo(this,
+			        (ref TextBlockNetworkDataStruct st, string val) => st.newTextBlockID.Set(val), value);
+	        }
+        }
+    }
+}

GamecraftModdingAPI/Blocks/Timer.cs

@@ -0,0 +1,82 @@
+using System;
+
+using RobocraftX.Blocks;
+using RobocraftX.Common;
+using Gamecraft.Blocks.TimerBlock;
+using Svelto.ECS;
+using Unity.Mathematics;
+
+using GamecraftModdingAPI;
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public class Timer : SignalingBlock
+    {
+        public Timer(EGID id) : base(id)
+        {
+        }
+
+        public Timer(uint id) : base(new EGID(id, CommonExclusiveGroups.TIMER_BLOCK_GROUP))
+        {
+        }
+
+        // custom timer properties
+
+        /// <summary>
+        /// The player-specified start time.
+        /// </summary>
+        public float Start
+        {
+	        get => BlockEngine.GetBlockInfo(this, (TimerBlockDataStruct st) => st.startTime);
+
+	        set
+	        {
+		        BlockEngine.SetBlockInfo(this, (ref TimerBlockDataStruct tbds, float val) => tbds.startTime = val,
+			        value);
+	        }
+        }
+
+        /// <summary>
+        /// The player-specified end time.
+        /// </summary>
+        public float End
+        {
+	        get => BlockEngine.GetBlockInfo(this, (TimerBlockDataStruct st) => st.endTime);
+
+	        set
+	        {
+		        BlockEngine.SetBlockInfo(this, (ref TimerBlockDataStruct tbds, float val) => tbds.endTime = val,
+			        value);
+	        }
+        }
+
+		/// <summary>
+        /// Whether to display time with millisecond precision.
+        /// </summary>
+        public bool DisplayMilliseconds
+        {
+			get => BlockEngine.GetBlockInfo(this, (TimerBlockDataStruct st) => st.outputFormatHasMS);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref TimerBlockDataStruct tbds, bool val) => tbds.outputFormatHasMS = val,
+					value);
+			}
+        }
+
+		/// <summary>
+        /// Current time (as of the last video frame), in milliseconds.
+        /// </summary>
+        public int CurrentTime
+        {
+			get => BlockEngine.GetBlockInfo(this, (TimerBlockLabelCacheEntityStruct st) => st.timeLastRenderFrameMS);
+
+			set
+			{
+				BlockEngine.SetBlockInfo(this, (ref TimerBlockLabelCacheEntityStruct tbds, int val) => tbds.timeLastRenderFrameMS = val,
+					value);
+			}
+        }
+    }
+}

GamecraftModdingAPI/Blocks/Wire.cs

@@ -0,0 +1,355 @@
+using System;
+
+using Gamecraft.Wires;
+using Svelto.ECS;
+using Svelto.ECS.Experimental;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public class Wire
+    {
+        internal static SignalEngine signalEngine;
+
+        protected EGID startPortEGID;
+
+        protected EGID endPortEGID;
+
+        protected EGID startBlockEGID;
+
+        protected EGID endBlockEGID;
+
+        protected EGID wireEGID;
+
+        protected bool inputToOutput;
+        
+        protected byte startPort;
+
+        protected byte endPort;
+
+        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);
+        }
+
+        /// <summary>
+        /// An existing wire connection ending at the specified input.
+        /// If multiple exist, this will return the first one found.
+        /// </summary>
+        /// <param name="end">Destination block.</param>
+        /// <param name="endPort">Port number.</param>
+        /// <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(new Block(wire.sourceBlockEGID), end, wire.sourcePortUsage, endPort);
+            }
+            return null;
+        }
+
+        /// <summary>
+        /// An existing wire connection starting at the specified output.
+        /// If multiple exist, this will return the first one found.
+        /// </summary>
+        /// <param name="start">Source block entity ID.</param>
+        /// <param name="startPort">Port number.</param>
+        /// <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, new Block(wire.destinationBlockEGID), startPort, wire.destinationPortUsage);
+            }
+            return null;
+        }
+
+        /// <summary>
+        /// Construct a wire object from an 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)
+        {
+            startBlockEGID = start.Id;
+            endBlockEGID = end.Id;
+            // find block ports
+            WireEntityStruct wire = signalEngine.MatchBlocksToWire(start.Id, end.Id, out bool exists, startPort, endPort);
+            if (exists)
+            {
+                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;
+            }
+            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");
+                }
+            }
+        }
+
+        /// <summary>
+        /// Construct a wire object from an existing wire connection.
+        /// </summary>
+        /// <param name="start">Starting block ID.</param>
+        /// <param name="end">Ending block ID.</param>
+        /// <param name="startPort">Starting port number.</param>
+        /// <param name="endPort">Ending port number.</param>
+        /// <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.startBlockEGID = start.Id;
+            this.endBlockEGID = end.Id;
+            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");
+            }
+            this.startPort = startPort;
+            this.endPort = endPort;
+        }
+
+        /// <summary>
+        /// Construct a wire object from an existing wire connection.
+        /// </summary>
+        /// <param name="wireEgid">The wire ID.</param>
+        public Wire(EGID 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;
+        }
+
+        internal Wire(WireEntityStruct wire, SignalingBlock src, SignalingBlock dest)
+        {
+            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>
+        /// The wire's signal value, as a float.
+        /// </summary>
+        public float Float
+        {
+            get
+            {
+                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
+                if (!exists) return 0f;
+                return cds.valueAsFloat;
+            }
+
+            set
+            {
+                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
+                if (!exists) return;
+                cds.valueAsFloat = value;
+            }
+        }
+
+        /// <summary>
+        /// The wire's string signal.
+        /// </summary>
+        public string String
+        {
+            get
+            {
+                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
+                if (!exists) return "";
+                return cds.valueAsEcsString;
+            }
+
+            set
+            {
+                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
+                if (!exists) return;
+                cds.valueAsEcsString.Set(value);
+            }
+        }
+        
+        /// <summary>
+        /// The wire's raw string signal.
+        /// </summary>
+        public ECSString ECSString
+        {
+            get
+            {
+                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
+                if (!exists) return default;
+                return cds.valueAsEcsString;
+            }
+
+            set
+            {
+                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
+                if (!exists) return;
+                cds.valueAsEcsString = value;
+            }
+        }
+
+        /// <summary>
+        /// The wire's signal id.
+        /// I'm 50% sure this is useless.
+        /// </summary>
+        public uint SignalId
+        {
+            get
+            {
+                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
+                if (!exists) return uint.MaxValue;
+                return cds.valueAsID;
+            }
+            
+            set
+            {
+                ref ChannelDataStruct cds = ref signalEngine.GetChannelDataStruct(startPortEGID, out bool exists);
+                if (!exists) return;
+                cds.valueAsID = value;
+            }
+        }
+
+        /// <summary>
+        /// The block at the beginning of the wire.
+        /// </summary>
+        public SignalingBlock Start
+        {
+            get => new SignalingBlock(startBlockEGID);
+        }
+
+        /// <summary>
+        /// The port number that the beginning of the wire connects to.
+        /// </summary>
+        public byte StartPort
+        {
+            get => startPort;
+        }
+        
+        /// <summary>
+        /// The block at the end of the wire.
+        /// </summary>
+        public SignalingBlock End
+        {
+            get => new SignalingBlock(endBlockEGID);
+        }
+        
+        /// <summary>
+        /// The port number that the end of the wire connects to.
+        /// </summary>
+        public byte EndPort
+        {
+            get => endPort;
+        }
+
+        /// <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).
+        /// </summary>
+        /// <returns>A copy of the wire object.</returns>
+        public Wire OutputToInputCopy()
+        {
+            return new Wire(wireEGID);
+        }
+        
+        /// <summary>
+        /// Convert the wire object to the direction the signal flows.
+        /// Signals on wires always flow from a block output port to a block input port.
+        /// This is simply a different memory configuration and does not affect the in-game wire (which is always output -> input).
+        /// </summary>
+        public void OutputToInputInPlace()
+        {
+            if (inputToOutput)
+            {
+                inputToOutput = false;
+                // swap inputs and outputs
+                EGID temp = endBlockEGID;
+                endBlockEGID = startBlockEGID;
+                startBlockEGID = temp;
+                temp = endPortEGID;
+                endPortEGID = startPortEGID;
+                startPortEGID = temp;
+                byte tempPortNumber = endPort;
+                endPort = startPort;
+                startPort = tempPortNumber;
+            }
+        }
+
+        public override string ToString()
+        {
+            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} -> {End.Type}::{EndPort})";
+        }
+
+        internal static void Init() { }
+    }
+}

GamecraftModdingAPI/Blueprint.cs

@@ -1,8 +1,8 @@
-using System;
+using System;
 using Unity.Mathematics;
 using UnityEngine;
 
-namespace TechbloxModdingAPI
+namespace GamecraftModdingAPI
 {
     /// <summary>
     /// Represents a blueprint in the inventory. When placed it becomes a block group.

GamecraftModdingAPI/Cluster.cs

@@ -1,45 +1,44 @@
-using Svelto.ECS;
-using Techblox.TimeRunning.Clusters;
+using Gamecraft.Damage;
+using RobocraftX.Common;
+using Svelto.ECS;
 
-namespace TechbloxModdingAPI
+namespace GamecraftModdingAPI
 {
     /// <summary>
     /// Represnts a cluster of blocks in time running mode, meaning blocks that are connected either directly or via joints.
     /// Only exists if a cluster destruction manager is present. Static blocks like grass and dirt aren't part of a cluster.
     /// </summary>
-    public class Cluster : EcsObjectBase
+    public class Cluster
     {
-        public Cluster(EGID id) : base(id)
+        public EGID Id { get; }
+
+        public Cluster(EGID id)
+        {
+            Id = id;
+        }
+
+        public Cluster(uint id) : this(new EGID(id, CommonExclusiveGroups.SIMULATION_CLUSTERS_GROUP))
         {
         }
 
-        public Cluster(uint id) : this(new EGID(id, ClustersExclusiveGroups.SIMULATION_CLUSTERS_GROUP))
+        public float InitialHealth
         {
-        }
-
-        public float InitialHealth //TODO
-        {
-            get => 0f;
-            set { }
+            get => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(Id).initialHealth;
+            set => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(Id).initialHealth = value;
         }
 
         public float CurrentHealth
         {
-            get => 0f;
-            set { }
+            get => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(Id).currentHealth;
+            set => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(Id).currentHealth = value;
         }
 
         public float HealthMultiplier
         {
-            get => 0f;
-            set { }
+            get => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(Id).healthMultiplier;
+            set => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(Id).healthMultiplier = value;
         }
 
-        /// <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>

GamecraftModdingAPI/Commands/CommandBuilder.cs

@@ -1,9 +1,10 @@
 using System;
 
 using Svelto.ECS;
-using TechbloxModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.Commands
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Commands
 {
     /// <summary>
     /// Custom Command builder.

GamecraftModdingAPI/Commands/CommandEngineFactory.cs

@@ -4,7 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TechbloxModdingAPI.Commands
+namespace GamecraftModdingAPI.Commands
 {
     /// <summary>
     /// UNIMPLEMENTED!

GamecraftModdingAPI/Commands/CommandExceptions.cs

@@ -1,7 +1,7 @@
 using System;
-namespace TechbloxModdingAPI.Commands
+namespace GamecraftModdingAPI.Commands
 {
-	public class CommandException : TechbloxModdingAPIException
+	public class CommandException : GamecraftModdingAPIException
     {
 		public CommandException() : base() {}
 

GamecraftModdingAPI/Commands/CommandManager.cs

@@ -5,9 +5,10 @@ using System.Text;
 using System.Threading.Tasks;
 
 using Svelto.ECS;
-using TechbloxModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.Commands
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Commands
 {
     /// <summary>
     /// Keeps track of custom commands

GamecraftModdingAPI/Commands/CommandPatch.cs

@@ -0,0 +1,38 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Reflection;
+
+using HarmonyLib;
+using Svelto.Context;
+using Svelto.ECS;
+using RobocraftX;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Commands
+{
+    /// <summary>
+    /// Patch of RobocraftX.GUI.CommandLine.CommandLineCompositionRoot.Compose<T>()
+    /// </summary>
+    // TODO: fix
+    [HarmonyPatch]
+    //[HarmonyPatch(typeof(RobocraftX.GUI.CommandLine.CommandLineCompositionRoot))]
+	//[HarmonyPatch("Compose")]
+    //[HarmonyPatch("Compose", new Type[] { typeof(UnityContext<FullGameCompositionRoot>), typeof(EnginesRoot), typeof(World), typeof(Action), typeof(MultiplayerInitParameters), typeof(StateSyncRegistrationHelper)})]
+    static class CommandPatch
+    {
+        public static void Postfix(EnginesRoot enginesRoot)
+        {
+            // When a game is loaded, register the command engines
+            CommandManager.RegisterEngines(enginesRoot);
+        }
+
+        public static MethodBase TargetMethod(Harmony instance)
+        {
+			return typeof(RobocraftX.GUI.CommandLine.CommandLineCompositionRoot).GetMethod("Compose").MakeGenericMethod(typeof(object));
+            //return func.Method;
+        }
+    }
+}

GamecraftModdingAPI/Commands/CommandRegistrationHelper.cs

@@ -4,17 +4,22 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace TechbloxModdingAPI.Commands
+using uREPL;
+using RobocraftX.CommandLine.Custom;
+
+namespace GamecraftModdingAPI.Commands
 {
     /// <summary>
-    /// Convenient methods for registering commands to Techblox.
+    /// Convenient methods for registering commands to Gamecraft.
     /// All methods register to the command line and console block by default.
     /// </summary>
     public static class CommandRegistrationHelper
     {
         public static void Register(string name, Action action, string desc, bool noConsole = false)
         {
-            CustomCommands.Register(name, action, desc);
+            RuntimeCommands.Register(name, action, desc);
+            if (noConsole) { return; }
+            ConsoleCommands.Register(name, action, desc);
         }
 
         public static void Register(string name, Action<object> action, string desc, bool noConsole = false)
@@ -34,42 +39,50 @@ namespace TechbloxModdingAPI.Commands
 
         public static void Register<Param0>(string name, Action<Param0> action, string desc, bool noConsole = false)
         {
-            CustomCommands.Register(name, action, desc);
+            RuntimeCommands.Register<Param0>(name, action, desc);
+            if (noConsole) { return; }
+            ConsoleCommands.Register<Param0>(name, action, desc);
         }
 
         public static void Register<Param0, Param1>(string name, Action<Param0, Param1> action, string desc, bool noConsole = false)
         {
-            CustomCommands.Register(name, action, desc);
+            RuntimeCommands.Register<Param0, Param1>(name, action, desc);
+            if (noConsole) { return; }
+            ConsoleCommands.Register<Param0, Param1>(name, action, desc);
         }
 
         public static void Register<Param0, Param1, Param2>(string name, Action<Param0, Param1, Param2> action, string desc, bool noConsole = false)
         {
-            CustomCommands.Register(name, action, desc);
+            RuntimeCommands.Register<Param0, Param1, Param2>(name, action, desc);
+            if (noConsole) { return; }
+            ConsoleCommands.Register<Param0, Param1, Param2>(name, action, desc);
         }
 
         public static void Unregister(string name, bool noConsole = false)
         {
-            CustomCommands.Unregister(name);
+            RuntimeCommands.Unregister(name);
+            if (noConsole) { return; }
+            ConsoleCommands.Unregister(name);
         }
 
         public static void Call(string name)
         {
-            CustomCommands.Call(name);
+            RuntimeCommands.Call(name);
         }
 
         public static void Call<Param0>(string name, Param0 param0)
         {
-            CustomCommands.Call(name, param0);
+            RuntimeCommands.Call<Param0>(name, param0);
         }
 
         public static void Call<Param0, Param1>(string name, Param0 param0, Param1 param1)
         {
-            CustomCommands.Call(name, param0, param1);
+            RuntimeCommands.Call<Param0, Param1>(name, param0, param1);
         }
 
         public static void Call<Param0, Param1, Param2>(string name, Param0 param0, Param1 param1, Param2 param2)
         {
-            CustomCommands.Call(name, param0, param1, param2);
+            RuntimeCommands.Call<Param0, Param1, Param2>(name, param0, param1, param2);
         }
     }
 }

GamecraftModdingAPI/Commands/ExistingCommands.cs

@@ -0,0 +1,42 @@
+using System;
+
+using uREPL;
+
+namespace GamecraftModdingAPI.Commands
+{
+    public static class ExistingCommands
+    {
+        public static void Call(string commandName)
+		{
+			RuntimeCommands.Call(commandName);
+		}
+
+		public static void Call<Arg0>(string commandName, Arg0 arg0)
+        {
+			RuntimeCommands.Call<Arg0>(commandName, arg0);
+        }
+
+		public static void Call<Arg0, Arg1>(string commandName, Arg0 arg0, Arg1 arg1)
+        {
+			RuntimeCommands.Call<Arg0, Arg1>(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);
+        }
+
+        public static bool Exists(string commandName)
+		{
+			return RuntimeCommands.HasRegistered(commandName);
+		}
+
+        public static string[] GetCommandNames()
+		{
+			var keys = RuntimeCommands.table.Keys;
+			string[] res = new string[keys.Count];
+			keys.CopyTo(res, 0);
+			return res;
+		}
+    }
+}

GamecraftModdingAPI/Commands/ICustomCommandEngine.cs

@@ -6,10 +6,10 @@ using System.Threading.Tasks;
 
 using Svelto.ECS;
 
-using TechbloxModdingAPI.Utility;
-using TechbloxModdingAPI.Engines;
+using GamecraftModdingAPI.Utility;
+using GamecraftModdingAPI.Engines;
 
-namespace TechbloxModdingAPI.Commands
+namespace GamecraftModdingAPI.Commands
 {
     /// <summary>
     /// Engine interface to handle command operations.

GamecraftModdingAPI/Commands/SimpleCustomCommandEngine.cs

@@ -5,9 +5,10 @@ using System.Text;
 using System.Threading.Tasks;
 
 using Svelto.ECS;
-using TechbloxModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.Commands
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Commands
 {
     /// <summary>
     /// A simple implementation of ICustomCommandEngine sufficient for most commands.
@@ -36,13 +37,13 @@ namespace TechbloxModdingAPI.Commands
 
 		public void Dispose()
         {
-            Logging.MetaDebugLog($"Unregistering SimpleCustomCommandEngine {this.Name}");
+            GamecraftModdingAPI.Utility.Logging.MetaDebugLog($"Unregistering SimpleCustomCommandEngine {this.Name}");
             CommandRegistrationHelper.Unregister(this.Name);
         }
 
         public void Ready()
         {
-            Logging.MetaDebugLog($"Registering SimpleCustomCommandEngine {this.Name}");
+            GamecraftModdingAPI.Utility.Logging.MetaDebugLog($"Registering SimpleCustomCommandEngine {this.Name}");
 			CommandRegistrationHelper.Register(this.Name, this.InvokeCatchError, this.Description);
         }
 

GamecraftModdingAPI/Commands/SimpleCustomCommandEngine1.cs

@@ -5,9 +5,10 @@ using System.Text;
 using System.Threading.Tasks;
 
 using Svelto.ECS;
-using TechbloxModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.Commands
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Commands
 {
     /// <summary>
     /// A simple implementation of ICustomCommandEngine sufficient for most commands.
@@ -27,13 +28,13 @@ namespace TechbloxModdingAPI.Commands
 
 		public void Dispose()
         {
-            Logging.MetaDebugLog($"Unregistering SimpleCustomCommandEngine {this.Name}");
+            GamecraftModdingAPI.Utility.Logging.MetaDebugLog($"Unregistering SimpleCustomCommandEngine {this.Name}");
             CommandRegistrationHelper.Unregister(this.Name);
         }
 
         public void Ready()
         {
-            Logging.MetaDebugLog($"Registering SimpleCustomCommandEngine {this.Name}");
+            GamecraftModdingAPI.Utility.Logging.MetaDebugLog($"Registering SimpleCustomCommandEngine {this.Name}");
 			CommandRegistrationHelper.Register<A>(this.Name, this.InvokeCatchError, this.Description);
         }
 

GamecraftModdingAPI/Commands/SimpleCustomCommandEngine2.cs

@@ -5,9 +5,10 @@ using System.Text;
 using System.Threading.Tasks;
 
 using Svelto.ECS;
-using TechbloxModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.Commands
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Commands
 {
     /// <summary>
     /// A simple implementation of ICustomCommandEngine sufficient for most commands.
@@ -27,13 +28,13 @@ namespace TechbloxModdingAPI.Commands
 
 		public void Dispose()
         {
-            Logging.MetaDebugLog($"Unregistering SimpleCustomCommandEngine {this.Name}");
+            GamecraftModdingAPI.Utility.Logging.MetaDebugLog($"Unregistering SimpleCustomCommandEngine {this.Name}");
             CommandRegistrationHelper.Unregister(this.Name);
         }
 
         public void Ready()
         {
-            Logging.MetaDebugLog($"Registering SimpleCustomCommandEngine {this.Name}");
+            GamecraftModdingAPI.Utility.Logging.MetaDebugLog($"Registering SimpleCustomCommandEngine {this.Name}");
 			CommandRegistrationHelper.Register<A,B>(this.Name, this.InvokeCatchError, this.Description);
         }
 

GamecraftModdingAPI/Commands/SimpleCustomCommandEngine3.cs

@@ -5,9 +5,10 @@ using System.Text;
 using System.Threading.Tasks;
 
 using Svelto.ECS;
-using TechbloxModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.Commands
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Commands
 {
     /// <summary>
     /// A simple implementation of ICustomCommandEngine sufficient for most commands.
@@ -27,13 +28,13 @@ namespace TechbloxModdingAPI.Commands
 
 		public void Dispose()
         {
-            Logging.MetaDebugLog($"Unregistering SimpleCustomCommandEngine {this.Name}");
+            GamecraftModdingAPI.Utility.Logging.MetaDebugLog($"Unregistering SimpleCustomCommandEngine {this.Name}");
             CommandRegistrationHelper.Unregister(this.Name);
         }
 
         public void Ready()
         {
-            Logging.MetaDebugLog($"Registering SimpleCustomCommandEngine {this.Name}");
+            GamecraftModdingAPI.Utility.Logging.MetaDebugLog($"Registering SimpleCustomCommandEngine {this.Name}");
 			CommandRegistrationHelper.Register<A,B,C>(this.Name, this.InvokeCatchError, this.Description);
         }
 

GamecraftModdingAPI/Engines/IApiEngine.cs

@@ -6,10 +6,10 @@ using System.Threading.Tasks;
 
 using Svelto.ECS;
 
-namespace TechbloxModdingAPI.Engines
+namespace GamecraftModdingAPI.Engines
 {
     /// <summary>
-    /// Base engine interface used by all TechbloxModdingAPI engines
+    /// Base engine interface used by all GamecraftModdingAPI engines
     /// </summary>
     public interface IApiEngine : IEngine, IQueryingEntitiesEngine, IDisposable
     {

GamecraftModdingAPI/Engines/IFactoryEngine.cs

@@ -6,9 +6,9 @@ using System.Threading.Tasks;
 
 using Svelto.ECS;
 
-using TechbloxModdingAPI.Utility;
+using GamecraftModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.Engines
+namespace GamecraftModdingAPI.Engines
 {
     /// <summary>
     /// Engine interface to create a ModEventEntityStruct in entitiesDB when Emit() is called.

GamecraftModdingAPI/Engines/IReactionaryEngine.cs

@@ -7,14 +7,14 @@ using System.Threading.Tasks;
 using Svelto.ECS;
 using Svelto.ECS.Internal;
 
-using TechbloxModdingAPI.Events;
+using GamecraftModdingAPI.Events;
 
-namespace TechbloxModdingAPI.Engines
+namespace GamecraftModdingAPI.Engines
 {
     /// <summary>
     /// Engine interface to handle ModEventEntityStruct events emitted by IEventEmitterEngines.
     /// </summary>
-	public interface IReactionaryEngine<T> : IApiEngine, IReactOnAddAndRemove<T> where T : unmanaged, IEntityComponent
+	public interface IReactionaryEngine<T> : IApiEngine, IReactOnAddAndRemove<T>, IReactOnAddAndRemove where T : unmanaged, IEntityComponent
     {
     }
 }

GamecraftModdingAPI/Events/DeterministicStepComposeEngineGroupsPatch.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+using HarmonyLib;
+using Svelto.ECS;
+using RobocraftX.Common;
+using RobocraftX.StateSync;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Patch of RobocraftX.StateSync.DeterministicStepCompositionRoot.ComposeEnginesGroups(...)
+    /// </summary>
+	//[HarmonyPatch(typeof(DeterministicStepCompositionRoot), "DeterministicCompose")]
+    [Obsolete]
+    [HarmonyPatch]
+	class GameHostTransitionDeterministicGroupEnginePatch
+    {
+
+		public static readonly GameStateBuildEmitterEngine buildEngine = new GameStateBuildEmitterEngine();
+
+		public static readonly GameStateSimulationEmitterEngine simEngine = new GameStateSimulationEmitterEngine();
+        
+		public static void Postfix()
+        {
+			//stateSyncReg.buildModeInitializationEngines.Add(buildEngine);
+			//stateSyncReg.simulationModeInitializationEngines.Add(simEngine);
+			//enginesRoot.AddEngine(buildEngine);
+			//enginesRoot.AddEngine(simEngine);
+			buildEngine.EmitIfBuildMode();
+			simEngine.EmitIfSimMode();
+        }
+
+		[HarmonyTargetMethod]
+		public static MethodBase TargetMethod(Harmony harmonyInstance)
+		{
+			return AccessTools.Method(AccessTools.TypeByName("RobocraftX.StateSync.GameHostTransitionDeterministicGroupEngine"), "EndTransition");
+				              //.MakeGenericMethod(typeof(CosmeticEnginesSequenceBuildOrder), typeof(CosmeticEnginesSequenceSimOrder), typeof(DeterministicToCosmeticSyncBuildOrder), typeof(DeterministicToCosmeticSyncSimOrder));
+		}
+    }
+}

GamecraftModdingAPI/Events/EmitterBuilder.cs

@@ -0,0 +1,106 @@
+using System;
+
+using Svelto.ECS;
+
+namespace GamecraftModdingAPI.Events
+{
+	[Obsolete]
+    public class EmitterBuilder
+    {
+		private string name;
+
+		private int? type;
+
+        /// <summary>
+        /// Create a new event emitter builder.
+        /// </summary>
+        public EmitterBuilder()
+        {
+        }
+
+        /// <summary>
+        /// Create a new event emitter builder.
+		/// This is equivalent to new <code>EmitterBuilder().Name(name)</code>
+        /// </summary>
+        /// <param name="name">The emitter name.</param>
+		public EmitterBuilder(string name)
+		{
+			this.name = name;
+		}
+
+        /// <summary>
+		/// Create and return an event emitter builder.
+        /// </summary>
+        /// <returns>The builder.</returns>
+		public static EmitterBuilder Builder()
+		{
+			return new EmitterBuilder();
+		}
+
+        /// <summary>
+        /// Create and return an event emitter builder.
+		/// This is equivalent to <code>Builder().Name(name)</code>
+        /// </summary>
+        /// <returns>The builder.</returns>
+        /// <param name="name">The emitter name.</param>
+		public static EmitterBuilder Builder(string name)
+		{
+			return new EmitterBuilder(name);
+		}
+
+        /// <summary>
+        /// Name the event emitter.
+        /// </summary>
+        /// <returns>The builder.</returns>
+        /// <param name="name">The event emitter name.</param>
+		public EmitterBuilder Name(string name)
+		{
+			this.name = name;
+			return this;
+		}
+
+        /// <summary>
+        /// Set the type of event to handle.
+        /// </summary>
+        /// <returns>The builder.</returns>
+        /// <param name="eventType">The event type.</param>
+		public EmitterBuilder Handle(EventType eventType)
+		{
+			return Handle((int)eventType);
+		}
+
+		/// <summary>
+        /// Set the type of event to handle.
+        /// </summary>
+        /// <returns>The builder.</returns>
+        /// <param name="eventType">The event type.</param>
+		public EmitterBuilder Handle(int eventType)
+		{
+			this.type = eventType;
+			return this;
+		}
+
+        /// <summary>
+        /// Build the event emitter.
+        /// </summary>
+        /// <returns>The event emitter.</returns>
+        /// <param name="register">Automatically register the event emitter with EventManager.AddEventemitter().</param>
+		public IEventEmitterEngine Build(bool register = true)
+		{
+			if (string.IsNullOrWhiteSpace(name))
+            {
+                throw new EventParameterMissingException("Event emitter name must be defined before Build() is called");
+            }
+			if (!type.HasValue)
+			{
+				throw new EventParameterMissingException("Event emitter event type must be defined before Build() is called");
+			}
+			SimpleEventEmitterEngine result = new SimpleEventEmitterEngine(type.Value, name);
+			if (register)
+			{
+				EventManager.AddEventEmitter(result);
+			}
+			return result;
+		}
+    }
+}

GamecraftModdingAPI/Events/EventEngineFactory.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Svelto.ECS;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Convenient factories for mod event engines
+    /// </summary>
+    [Obsolete]
+    public static class EventEngineFactory
+    {
+        /// <summary>
+        /// Factory method which automatically adds the SimpleEventHandlerEngine to the Manager
+        /// </summary>
+        /// <param name="name">The name of the engine</param>
+        /// <param name="type">The type of event to handle</param>
+        /// <param name="onActivated">The operation to do when the event is created</param>
+        /// <param name="onDestroyed">The operation to do when the event is destroyed (if applicable)</param>
+        /// <returns>The created object</returns>
+        public static SimpleEventHandlerEngine CreateAddSimpleHandler(string name, int type, Action onActivated, Action onDestroyed)
+        {
+            var engine = new SimpleEventHandlerEngine(onActivated, onDestroyed, type, name);
+            EventManager.AddEventHandler(engine);
+            return engine;
+        }
+
+        /// <summary>
+        /// Factory method which automatically adds the SimpleEventHandlerEngine to the Manager
+        /// </summary>
+        /// <param name="name">The name of the engine</param>
+        /// <param name="type">The type of event to handle</param>
+        /// <param name="onActivated">The operation to do when the event is created</param>
+        /// <param name="onDestroyed">The operation to do when the event is destroyed (if applicable)</param>
+        /// <returns>The created object</returns>
+        public static SimpleEventHandlerEngine CreateAddSimpleHandler(string name, int type, Action<EntitiesDB> onActivated, Action<EntitiesDB> onDestroyed)
+        {
+            var engine = new SimpleEventHandlerEngine(onActivated, onDestroyed, type, name);
+            EventManager.AddEventHandler(engine);
+            return engine;
+        }
+
+        /// <summary>
+        /// Factory method which automatically adds the SimpleEventEmitterEngine to the Manager
+        /// </summary>
+        /// <param name="name">The name of the engine</param>
+        /// <param name="type">The type of event to emit</param>
+        /// <param name="isRemovable">Will removing this engine not break your code?</param>
+        /// <returns>The created object</returns>
+        public static SimpleEventEmitterEngine CreateAddSimpleEmitter(string name, int type, bool isRemovable = true)
+        {
+            var engine = new SimpleEventEmitterEngine(type, name, isRemovable);
+            EventManager.AddEventEmitter(engine);
+            return engine;
+        }
+    }
+}

GamecraftModdingAPI/Events/EventExceptions.cs

@@ -0,0 +1,66 @@
+using System;
+namespace GamecraftModdingAPI.Events
+{
+	public class EventException : GamecraftModdingAPIException
+	{
+		public EventException()
+		{
+		}
+
+		public EventException(string message) : base(message)
+		{
+		}
+
+		public EventException(string message, Exception innerException) : base(message, innerException)
+		{
+		}
+	}
+
+	public class EventNotFoundException : EventException
+	{
+		public EventNotFoundException()
+		{
+		}
+
+		public EventNotFoundException(string message) : base(message)
+		{
+		}
+	}
+
+	public class EventAlreadyExistsException : EventException
+	{
+		public EventAlreadyExistsException()
+		{
+		}
+
+		public EventAlreadyExistsException(string message) : base(message)
+		{
+		}
+	}
+
+	public class EventRuntimeException : EventException
+	{
+		public EventRuntimeException()
+		{
+		}
+
+		public EventRuntimeException(string message) : base(message)
+		{
+		}
+
+		public EventRuntimeException(string message, Exception innerException) : base(message, innerException)
+		{
+		}
+	}
+
+	public class EventParameterMissingException : EventException
+	{
+		public EventParameterMissingException()
+		{
+		}
+
+		public EventParameterMissingException(string message) : base(message)
+		{
+		}
+	}
+}

GamecraftModdingAPI/Events/EventManager.cs

@@ -0,0 +1,129 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Keeps track of event handlers and emitters.
+    /// This is used to add, remove and get API event handlers and emitters.
+    /// </summary>
+    [Obsolete("This will be removed in an upcoming update. Use the new C# event architecture from GamecraftModdingAPI.App")]
+    public static class EventManager
+    {
+        private static Dictionary<string, IEventEmitterEngine> _eventEmitters = new Dictionary<string, IEventEmitterEngine>();
+
+        private static Dictionary<string, IEventHandlerEngine> _eventHandlers = new Dictionary<string, IEventHandlerEngine>();
+
+		private static EnginesRoot _lastEngineRoot;
+
+        // event handler management
+        
+        public static void AddEventHandler(IEventHandlerEngine engine)
+        {
+			if (ExistsEventHandler(engine))
+			{
+				throw new EventAlreadyExistsException($"IEventHandlerEngine {engine.Name} already exists");
+			}
+            _eventHandlers[engine.Name] = engine;
+			if (_lastEngineRoot != null)
+            {
+				Logging.MetaDebugLog($"Registering IEventHandlerEngine {engine.Name}");
+                _lastEngineRoot.AddEngine(engine);
+            }
+        }
+
+        public static bool ExistsEventHandler(string name)
+        {
+            return _eventHandlers.ContainsKey(name);
+        }
+
+        public static bool ExistsEventHandler(IEventHandlerEngine engine)
+        {
+            return ExistsEventHandler(engine.Name);
+        }
+
+        public static IEventHandlerEngine GetEventHandler(string name)
+        {
+            return _eventHandlers[name];
+        }
+
+        public static string[] GetEventHandlerNames()
+        {
+            return _eventHandlers.Keys.ToArray();
+        }
+
+        public static void RemoveEventHandler(string name)
+        {
+            _eventHandlers.Remove(name);
+        }
+
+        // event emitter management
+
+        public static void AddEventEmitter(IEventEmitterEngine engine)
+        {
+			if (ExistsEventEmitter(engine))
+            {
+                throw new EventAlreadyExistsException($"IEventEmitterEngine {engine.Name} already exists");
+            }
+            _eventEmitters[engine.Name] = engine;
+			if (_lastEngineRoot != null)
+			{
+				Logging.MetaDebugLog($"Registering IEventEmitterEngine {engine.Name}");
+				_lastEngineRoot.AddEngine(engine);
+			}
+        }
+
+        public static bool ExistsEventEmitter(string name)
+        {
+            return _eventEmitters.ContainsKey(name);
+        }
+
+        public static bool ExistsEventEmitter(IEventEmitterEngine engine)
+        {
+            return ExistsEventEmitter(engine.Name);
+        }
+
+        public static IEventEmitterEngine GetEventEmitter(string name)
+        {
+            return _eventEmitters[name];
+        }
+
+        public static string[] GetEventEmitterNames()
+        {
+            return _eventEmitters.Keys.ToArray();
+        }
+
+        public static void RemoveEventEmitter(string name)
+        {
+            if (_eventEmitters[name].isRemovable)
+            {
+                _eventEmitters.Remove(name);
+            }
+        }
+
+        public static void RegisterEngines(EnginesRoot enginesRoot)
+        {
+			_lastEngineRoot = enginesRoot;
+            // Register handlers before emitters so no events are missed
+            var entityFactory = enginesRoot.GenerateEntityFactory();
+            foreach (var key in _eventHandlers.Keys)
+            {
+                Logging.MetaDebugLog($"Registering IEventHandlerEngine {_eventHandlers[key].Name}");
+                enginesRoot.AddEngine(_eventHandlers[key]);
+            }
+            foreach (var key in _eventEmitters.Keys)
+            {
+                Logging.MetaDebugLog($"Registering IEventEmitterEngine {_eventEmitters[key].Name}");
+                _eventEmitters[key].Factory = entityFactory;
+                enginesRoot.AddEngine(_eventEmitters[key]);
+            }
+        }
+    }
+}

GamecraftModdingAPI/Events/EventType.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Built-in event types.
+    /// These are configured to fire when the API is initialized.
+    /// </summary>
+    public enum EventType
+    {
+        ApplicationInitialized,
+        Menu,
+        MenuSwitchedTo,
+        Game,
+        GameReloaded,
+        GameSwitchedTo,
+        SimulationSwitchedTo,
+        BuildSwitchedTo
+    }
+}

GamecraftModdingAPI/Events/GameActivatedComposePatch.cs

@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+using HarmonyLib;
+using RobocraftX.CR.MainGame;
+using Svelto.ECS;
+using Unity.Entities;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Patch of RobocraftX.FullGameCompositionRoot.ActivateGame()
+    /// </summary>
+    [Obsolete]
+	[HarmonyPatch]
+    class GameActivatedComposePatch
+    {
+		public static bool IsGameSwitching = false;
+
+		public static bool IsGameReloading = false;
+
+        public static void Postfix(ref object contextHolder, ref EnginesRoot enginesRoot, World physicsWorld)
+        {
+            // register custom game engines
+			GameEngineManager.RegisterEngines(enginesRoot);
+			// initialize AsyncUtils
+			AsyncUtils.Setup(enginesRoot);
+			// A new EnginesRoot is always created when ActivateGame is called
+            // so all event emitters and handlers must be re-registered.
+			EventManager.RegisterEngines(enginesRoot);
+            Logging.Log("Dispatching Game Activated event");
+            EventManager.GetEventEmitter("GamecraftModdingAPIGameActivatedEventEmitter").Emit();
+			if (IsGameSwitching)
+			{
+				IsGameSwitching = false;
+                Logging.Log("Dispatching Game Switched To event");
+                EventManager.GetEventEmitter("GamecraftModdingAPIGameSwitchedToEventEmitter").Emit();
+			}
+			if (IsGameReloading)
+			{
+				IsGameReloading = false;
+				Logging.Log("Dispatching Game Reloaded event");
+                EventManager.GetEventEmitter("GamecraftModdingAPIGameReloadedEventEmitter").Emit();
+			}
+        }
+
+        public static MethodBase TargetMethod()
+        {
+            return typeof(MainGameCompositionRoot).GetMethods().First(m => m.Name == "Compose")
+                .MakeGenericMethod(typeof(object));
+        }
+    }
+}

GamecraftModdingAPI/Events/GameReloadedPatch.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using HarmonyLib;
+using RobocraftX;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Patch of RobocraftX.FullGameCompositionRoot.ReloadGame()
+    /// </summary>
+    [Obsolete]
+    [HarmonyPatch(typeof(FullGameCompositionRoot), "ReloadGame")]
+    class GameReloadedPatch
+    {
+        public static void Postfix()
+        {
+			GameActivatedComposePatch.IsGameReloading = true;
+        }
+    }
+}

GamecraftModdingAPI/Events/GameStateBuildEmitterEngine.cs

@@ -0,0 +1,55 @@
+using System;
+
+using Unity.Jobs;
+using RobocraftX.SimulationModeState;
+using RobocraftX.StateSync;
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Event emitter engine for switching to to build mode.
+    /// </summary>
+    [Obsolete]
+	public class GameStateBuildEmitterEngine : IEventEmitterEngine, IUnorderedInitializeOnTimeStoppedModeEntered
+	{
+		public string Name { get; } = "GamecraftModdingAPIGameStateBuildEventEmitter" ;
+
+		public EntitiesDB entitiesDB { set; private get; }
+
+		public int type { get; } = (int)EventType.BuildSwitchedTo;
+
+		public bool isRemovable { get; } = false;
+
+		public IEntityFactory Factory { set; private get; }
+
+		public void Dispose() { }
+
+		public void Emit()
+		{
+			Logging.Log("Dispatching Build Switched To event");
+			if (Factory == null) { return; }
+			Factory.BuildEntity<ModEventEntityDescriptor>(ApiExclusiveGroups.eventID++, ApiExclusiveGroups.eventsExclusiveGroup)
+                .Init(new ModEventEntityStruct { type = type });
+		}
+
+        public void EmitIfBuildMode()
+		{
+			//Logging.MetaDebugLog($"nextSimulationMode: {entitiesDB.QueryUniqueEntity<SimulationModeStateEntityStruct>(SimulationModeStateExclusiveGroups.GAME_STATE_GROUP).nextSimulationMode}");
+			if (entitiesDB.QueryUniqueEntity<SimulationModeStateEntityStruct>(SimulationModeStateExclusiveGroups.GAME_STATE_GROUP).nextSimulationMode == SimulationMode.TimeStopped)
+			{
+				Emit();
+			}
+		}
+        
+		public JobHandle OnInitializeTimeStoppedMode(JobHandle inputDeps)
+		{
+			Emit();
+			return inputDeps;
+		}
+
+		public void Ready() { }
+	}
+}

GamecraftModdingAPI/Events/GameStateSimulationEmitterEngine.cs

@@ -0,0 +1,54 @@
+using System;
+
+using Unity.Jobs;
+using RobocraftX.SimulationModeState;
+using RobocraftX.StateSync;
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Event emitter engine for switching to simulation mode.
+    /// </summary>
+    [Obsolete]
+	public class GameStateSimulationEmitterEngine : IEventEmitterEngine, IUnorderedInitializeOnTimeRunningModeEntered
+	{
+		public string Name { get; } = "GamecraftModdingAPIGameStateSimulationEventEmitter" ;
+
+		public EntitiesDB entitiesDB { set; private get; }
+
+		public int type { get; } = (int)EventType.SimulationSwitchedTo;
+
+		public bool isRemovable { get; } = false;
+
+		public IEntityFactory Factory { set; private get; }
+
+		public void Dispose() { }
+
+		public void Emit()
+		{
+			Logging.Log("Dispatching Simulation Switched To event");
+			if (Factory == null) { return; }
+			Factory.BuildEntity<ModEventEntityDescriptor>(ApiExclusiveGroups.eventID++, ApiExclusiveGroups.eventsExclusiveGroup)
+			       .Init(new ModEventEntityStruct { type = type });
+		}
+
+		public void EmitIfSimMode()
+        {
+			if (entitiesDB.QueryUniqueEntity<SimulationModeStateEntityStruct>(SimulationModeStateExclusiveGroups.GAME_STATE_GROUP).nextSimulationMode == SimulationMode.TimeRunning)
+            {
+                Emit();
+            }
+        }
+
+		public JobHandle OnInitializeTimeRunningMode(JobHandle inputDeps)
+		{
+			Emit();
+			return inputDeps;
+		}
+
+		public void Ready() { }
+	}
+}

GamecraftModdingAPI/Events/GameSwitchedToPatch.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Reflection;
+
+using HarmonyLib;
+using RobocraftX;
+using RobocraftX.CR.MainGame;
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Patch of RobocraftX.FullGameCompositionRoot.ActivateGame()
+	/// (scheduled for execution during RobocraftX.FullGameCompositionRoot.SwitchToGame())
+    /// </summary>
+    [Obsolete]
+	[HarmonyPatch(typeof(FullGameCompositionRoot), "SwitchToGame")]
+    class GameSwitchedToPatch
+    {
+		public static void Prefix()
+        {
+			GameActivatedComposePatch.IsGameSwitching = true;
+        }
+    }
+}

GamecraftModdingAPI/Events/HandlerBuilder.cs

@@ -0,0 +1,166 @@
+using System;
+
+using Svelto.ECS;
+
+namespace GamecraftModdingAPI.Events
+{
+	[Obsolete]
+    public class HandlerBuilder
+    {
+		private string name;
+
+		private int? type;
+
+		private Action<EntitiesDB> activated;
+
+		private Action<EntitiesDB> destroyed;
+
+        /// <summary>
+        /// Create a new event handler builder.
+        /// </summary>
+        public HandlerBuilder()
+        {
+        }
+
+        /// <summary>
+        /// Create a new event handler builder.
+		/// This is equivalent to new <code>HandlerBuilder().Name(name)</code>
+        /// </summary>
+        /// <param name="name">The handler name.</param>
+		public HandlerBuilder(string name)
+		{
+			this.name = name;
+		}
+
+        /// <summary>
+		/// Create and return an event handler builder.
+        /// </summary>
+        /// <returns>The builder.</returns>
+		public static HandlerBuilder Builder()
+		{
+			return new HandlerBuilder();
+		}
+
+        /// <summary>
+        /// Create and return an event handler builder.
+		/// This is equivalent to <code>Builder().Name(name)</code>
+        /// </summary>
+        /// <returns>The builder.</returns>
+        /// <param name="name">The handler name.</param>
+		public static HandlerBuilder Builder(string name)
+		{
+			return new HandlerBuilder(name);
+		}
+
+        /// <summary>
+        /// Name the event handler.
+        /// </summary>
+        /// <returns>The builder.</returns>
+        /// <param name="name">The event handler name.</param>
+		public HandlerBuilder Name(string name)
+		{
+			this.name = name;
+			return this;
+		}
+
+        /// <summary>
+        /// Set the action to perform on when the activated event occurs.
+        /// </summary>
+        /// <returns>The builder.</returns>
+        /// <param name="action">The activated event action.</param>
+		public HandlerBuilder OnActivation(Action action)
+		{
+			return OnActivation((_) => { action(); });
+		}
+
+		/// <summary>
+        /// Set the action to perform on when the activated event occurs.
+        /// </summary>
+        /// <returns>The builder.</returns>
+        /// <param name="action">The activated event action.</param>
+		public HandlerBuilder OnActivation(Action<EntitiesDB> action)
+		{
+			this.activated = action;
+			return this;
+		}
+
+		/// <summary>
+        /// Set the action to perform when the destroyed event occurs.
+        /// </summary>
+        /// <returns>The builder.</returns>
+        /// <param name="action">The destroyed event action.</param>
+		public HandlerBuilder OnDestruction(Action action)
+        {
+            return OnDestruction((_) => { action(); });
+        }
+
+		/// <summary>
+        /// Set the action to perform when the destroyed event occurs.
+        /// </summary>
+        /// <returns>The builder.</returns>
+        /// <param name="action">The destroyed event action.</param>
+        public HandlerBuilder OnDestruction(Action<EntitiesDB> action)
+        {
+			this.destroyed = action;
+            return this;
+        }
+
+        /// <summary>
+        /// Set the type of event to handle.
+        /// </summary>
+        /// <returns>The builder.</returns>
+        /// <param name="eventType">The event type.</param>
+		public HandlerBuilder Handle(EventType eventType)
+		{
+			return Handle((int)eventType);
+		}
+
+		/// <summary>
+        /// Set the type of event to handle.
+        /// </summary>
+        /// <returns>The builder.</returns>
+        /// <param name="eventType">The event type.</param>
+		public HandlerBuilder Handle(int eventType)
+		{
+			this.type = eventType;
+			return this;
+		}
+
+        /// <summary>
+        /// Build the event handler.
+        /// </summary>
+        /// <returns>The event handler.</returns>
+        /// <param name="register">Automatically register the event handler with EventManager.AddEventHandler().</param>
+		public IEventHandlerEngine Build(bool register = true)
+		{
+			if (string.IsNullOrWhiteSpace(name))
+            {
+                throw new EventParameterMissingException("Event handler name must be defined before Build() is called");
+            }
+			if (activated == null && destroyed == null)
+			{
+				throw new EventParameterMissingException("Event handler destruction or activated event action must be defined before Build() is called");
+			}
+			if (!type.HasValue)
+			{
+				throw new EventParameterMissingException("Event handler event type must be defined before Build() is called");
+			}
+			Action<EntitiesDB> validActivated = activated;
+            if (validActivated == null)
+			{
+				validActivated = (_) => { };
+			}
+			Action<EntitiesDB> validDestroyed = destroyed;
+            if (validDestroyed == null)
+            {
+                validDestroyed = (_) => { };
+            }
+			SimpleEventHandlerEngine result = new SimpleEventHandlerEngine(validActivated, validDestroyed, type.Value, name);
+			if (register)
+			{
+				EventManager.AddEventHandler(result);
+			}
+			return result;
+		}
+    }
+}

GamecraftModdingAPI/Events/IEventEmitterEngine.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Engines;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Engine interface to create a ModEventEntityStruct in entitiesDB when a specific event occurs.
+    /// </summary>
+    [Obsolete]
+	public interface IEventEmitterEngine : IFactoryEngine
+    {
+        /// <summary>
+		/// Emit the event. (Optional) 
+        /// </summary>
+		void Emit();
+    }
+}

GamecraftModdingAPI/Events/IEventHandlerEngine.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Svelto.ECS;
+using Svelto.ECS.Internal;
+
+using GamecraftModdingAPI.Engines;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Engine interface to handle ModEventEntityStruct events emitted by IEventEmitterEngines.
+    /// </summary>
+    [Obsolete]
+	public interface IEventHandlerEngine : IReactionaryEngine<ModEventEntityStruct>
+    {
+    }
+}

GamecraftModdingAPI/Events/MenuActivatedPatch.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using HarmonyLib;
+using RobocraftX;
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Patch of RobocraftX.FullGameCompositionRoot.ActivateMenu()
+    /// </summary>
+    [Obsolete]
+    [HarmonyPatch(typeof(FullGameCompositionRoot), "ActivateMenu")]
+    class MenuActivatedPatch
+    {
+
+        private static bool firstLoad = true;
+        public static void Postfix(ref EnginesRoot ____frontEndEnginesRoot, FullGameCompositionRoot __instance)
+        {
+            // register custom menu engines
+            MenuEngineManager.RegisterEngines(____frontEndEnginesRoot);
+            // A new EnginesRoot is always created when ActivateMenu is called
+            // so all event emitters and handlers must be re-registered.
+            EventManager.RegisterEngines(____frontEndEnginesRoot);
+            if (firstLoad)
+            {
+                firstLoad = false;
+                FullGameFields.Init(__instance);
+				//Application.Application.SetFullGameCompositionRoot(__instance);
+                Logging.Log("Dispatching App Init event");
+                EventManager.GetEventEmitter("GamecraftModdingAPIApplicationInitializedEventEmitter").Emit();
+            }
+            Logging.Log("Dispatching Menu Activated event");
+            EventManager.GetEventEmitter("GamecraftModdingAPIMenuActivatedEventEmitter").Emit();
+        }
+    }
+}

GamecraftModdingAPI/Events/MenuSwitchedToPatch.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using HarmonyLib;
+using RobocraftX;
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// Patch of RobocraftX.FullGameCompositionRoot.SwitchToMenu()
+    /// </summary>
+    [Obsolete]
+    [HarmonyPatch(typeof(FullGameCompositionRoot), "SwitchToMenu")]
+    class MenuSwitchedToPatch
+    {
+        public static void Postfix()
+        {
+            // Event emitters and handlers should already be registered by MenuActivated event
+            Logging.Log("Dispatching Menu Switched To event");
+            EventManager.GetEventEmitter("GamecraftModdingAPIMenuSwitchedToEventEmitter").Emit();
+        }
+    }
+}

GamecraftModdingAPI/Events/ModEventEntityDescriptor.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Svelto.ECS;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// EntityDescriptor for creating ModEventEntityStructs
+    /// </summary>
+    public class ModEventEntityDescriptor : GenericEntityDescriptor<ModEventEntityStruct>
+    {
+    }
+}

GamecraftModdingAPI/Events/ModEventEntityStruct.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Svelto.ECS;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// The event entity struct
+    /// </summary>
+	public struct ModEventEntityStruct : IEntityComponent, INeedEGID
+    {
+        /// <summary>
+        /// The type of event that has been emitted
+        /// </summary>
+        public int type;
+
+		public EGID ID { get; set; }
+	}
+}

GamecraftModdingAPI/Events/SimpleEventEmitterEngine.cs

@@ -0,0 +1,66 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Svelto.ECS;
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// A simple implementation of IEventEmitterEngine sufficient for most uses
+    /// </summary>
+    [Obsolete]
+    public class SimpleEventEmitterEngine : IEventEmitterEngine
+    {
+        public string Name { get; set; }
+        public int type { get; set; }
+
+        public bool isRemovable { get; }
+
+        public IEntityFactory Factory { private get; set; }
+
+        public EntitiesDB entitiesDB { set; private get; }
+
+        public void Ready() { }
+
+        /// <summary>
+        /// Emit the event
+        /// </summary>
+        public void Emit()
+        {
+            Factory.BuildEntity<ModEventEntityDescriptor>(ApiExclusiveGroups.eventID++, ApiExclusiveGroups.eventsExclusiveGroup)
+                .Init(new ModEventEntityStruct { type = type });
+        }
+
+        public void Dispose() { }
+
+        /// <summary>
+        /// Construct the engine
+        /// </summary>
+        /// <param name="type">The EventType to use for ModEventEntityStruct.type</param>
+        /// <param name="name">The name of this engine</param>
+        /// <param name="isRemovable">Will removing this engine not break your code?</param>
+        public SimpleEventEmitterEngine(EventType type, string name, bool isRemovable = true)
+        {
+            this.type = (int)type;
+            this.Name = name;
+            this.isRemovable = isRemovable;
+        }
+
+        /// <summary>
+        /// Construct the engine
+        /// </summary>
+        /// <param name="type">The object to use for ModEventEntityStruct.type</param>
+        /// <param name="name">The name of this engine</param>
+        /// <param name="isRemovable">Will removing this engine not break your code?</param>
+        public SimpleEventEmitterEngine(int type, string name, bool isRemovable = true)
+        {
+            this.type = type;
+            this.Name = name;
+            this.isRemovable = isRemovable;
+        }
+    }
+}

GamecraftModdingAPI/Events/SimpleEventHandlerEngine.cs

@@ -0,0 +1,146 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Events
+{
+    /// <summary>
+    /// A simple implementation of IEventHandlerEngine sufficient for most uses
+    /// </summary>
+    [Obsolete]
+    public class SimpleEventHandlerEngine : IEventHandlerEngine
+    {
+        public int type { get; set; }
+        public string Name { get; set; }
+
+        private bool isActivated = false;
+
+		private bool jankActivateFix = false;
+
+		private bool jankDestroyFix = false;
+
+        private readonly Action<EntitiesDB> onActivated;
+
+        private readonly Action<EntitiesDB> onDestroyed;
+
+        public EntitiesDB entitiesDB { set; private get; }
+
+		public bool isRemovable => true;
+
+		public void Add(ref ModEventEntityStruct entityView, EGID egid)
+        {
+            if (entityView.type.Equals(this.type))
+            {
+				jankActivateFix = !jankActivateFix;
+                if (jankActivateFix) return;
+                isActivated = true;
+				onActivatedInvokeCatchError(entitiesDB);
+            }
+        }
+
+        /// <summary>
+        /// Manually activate the EventHandler.
+		/// Once activated, the next remove event will not be ignored.
+        /// </summary>
+        /// <param name="handle">Whether to invoke the activated action</param>
+		public void Activate(bool handle = false)
+		{
+			isActivated = true;
+			if (handle && entitiesDB != null)
+			{
+				onActivatedInvokeCatchError(entitiesDB);
+			}
+		}
+
+		public void Deactivate()
+		{
+			isActivated = false;
+		}
+
+        public void Ready() { }
+
+        public void Remove(ref ModEventEntityStruct entityView, EGID egid)
+        {
+            if (entityView.type.Equals(this.type) && isActivated)
+            {
+				jankDestroyFix = !jankDestroyFix;
+                if (jankDestroyFix) return;
+                isActivated = false;
+				onDestroyedInvokeCatchError(entitiesDB);
+            }
+        }
+
+        public void Dispose()
+        {
+            if (isActivated)
+            {
+                isActivated = false;
+				onDestroyedInvokeCatchError(entitiesDB);
+            }
+        }
+
+        /// <summary>
+        /// Construct the engine
+        /// </summary>
+        /// <param name="activated">The operation to do when the event is created</param>
+        /// <param name="removed">The operation to do when the event is destroyed (if applicable)</param>
+        /// <param name="type">The type of event to handle</param>
+        /// <param name="name">The name of the engine</param>
+        /// <param name="simple">A useless parameter to use to avoid Python overload resolution errors</param>
+        public SimpleEventHandlerEngine(Action activated, Action removed, int type, string name, bool simple = true) 
+            : this((EntitiesDB _) => { activated.Invoke(); }, (EntitiesDB _) => { removed.Invoke(); }, type, name) { }
+
+        /// <summary>
+        /// Construct the engine
+        /// </summary>
+        /// <param name="activated">The operation to do when the event is created</param>
+        /// <param name="removed">The operation to do when the event is destroyed (if applicable)</param>
+        /// <param name="type">The type of event to handler</param>
+        /// <param name="name">The name of the engine</param>
+        public SimpleEventHandlerEngine(Action<EntitiesDB> activated, Action<EntitiesDB> removed, int type, string name)
+        {
+            this.type = type;
+            this.Name = name;
+            this.onActivated = activated;
+            this.onDestroyed = removed;
+        }
+
+		private void onActivatedInvokeCatchError(EntitiesDB _entitiesDB)
+		{
+			try
+			{
+				onActivated.Invoke(_entitiesDB);
+			}
+			catch (Exception e)
+			{
+				EventRuntimeException wrappedException = new EventRuntimeException($"EventHandler {Name} threw an exception when activated", e);
+				Logging.LogWarning(wrappedException.ToString());
+			}
+		}
+
+		private void onDestroyedInvokeCatchError(EntitiesDB _entitiesDB)
+        {
+            try
+            {
+                onDestroyed.Invoke(_entitiesDB);
+            }
+            catch (Exception e)
+            {
+                EventRuntimeException wrappedException = new EventRuntimeException($"EventHandler {Name} threw an exception when destroyed", e);
+                Logging.LogWarning(wrappedException.ToString());
+            }
+        }
+
+		public SimpleEventHandlerEngine(Action activated, Action removed, EventType type, string name, bool simple = true)
+            : this((EntitiesDB _) => { activated.Invoke(); }, (EntitiesDB _) => { removed.Invoke(); }, (int)type, name) { }
+
+		public SimpleEventHandlerEngine(Action<EntitiesDB> activated, Action<EntitiesDB> removed, EventType type, string name, bool simple = true)
+			: this(activated, removed, (int)type, name) { }
+    }
+}

GamecraftModdingAPI/GamecraftModdingAPIException.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Runtime.Serialization;
+
+namespace GamecraftModdingAPI
+{
+	public class GamecraftModdingAPIException : Exception
+    {
+		public GamecraftModdingAPIException()
+		{
+		}
+
+		public GamecraftModdingAPIException(string message) : base(message)
+		{
+		}
+
+		public GamecraftModdingAPIException(string message, Exception innerException) : base(message, innerException)
+		{
+		}
+
+		protected GamecraftModdingAPIException(SerializationInfo info, StreamingContext context) : base(info, context)
+		{
+		}
+    }
+}

GamecraftModdingAPI/Input/FakeInput.cs

@@ -0,0 +1,146 @@
+using System;
+
+using RobocraftX.Common;
+using RobocraftX.Common.Input;
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI.Input
+{
+    public static class FakeInput
+    {
+		private static readonly FakeInputEngine inputEngine = new FakeInputEngine();
+
+        /// <summary>
+        /// Customize the player input.
+        /// </summary>
+        /// <param name="input">The custom input.</param>
+        /// <param name="playerID">The player. Omit this to use the local player.</param>
+		public static void CustomInput(LocalInputEntityStruct input, uint playerID = uint.MaxValue)
+		{
+			if (playerID == uint.MaxValue)
+            {
+                playerID = inputEngine.GetLocalPlayerID();
+            }
+			inputEngine.SendCustomInput(input, playerID);
+		}
+
+		public static LocalInputEntityStruct GetInput(uint playerID = uint.MaxValue)
+		{
+			if (playerID == uint.MaxValue)
+            {
+                playerID = inputEngine.GetLocalPlayerID();
+            }
+			return inputEngine.GetInput(playerID);
+		}
+
+        /// <summary>
+        /// Fake a GUI input.
+		/// Omit any parameter you do not want to affect.
+		/// Parameters that end with "?" don't do anything... yet.
+        /// </summary>
+        /// <param name="playerID">The player. Omit this to use the local player.</param>
+        /// <param name="hotbar">Select the hotbar slot by number.</param>
+        /// <param name="commandLine">Toggle the command line?</param>
+        /// <param name="escape">Open escape menu?</param>
+        /// <param name="enter">Page return?</param>
+        /// <param name="debug">Toggle debug display?</param>
+        /// <param name="next">Select next?</param>
+        /// <param name="previous">Select previous?</param>
+        /// <param name="tab">Tab?</param>
+        /// <param name="colour">Toggle to hotbar colour mode?</param>
+        /// <param name="hotbarPage">Select the hotbar page by number?</param>
+        /// <param name="quickSave">Quicksave?</param>
+        /// <param name="paste">Paste?</param>
+		public static void GuiInput(uint playerID = uint.MaxValue, int hotbar = -1, bool commandLine = false, bool escape = false, bool enter = false, bool debug = false, bool next = false, bool previous = false, bool tab = false, bool colour = false, int hotbarPage = -1, bool quickSave = false, bool paste = false)
+		{
+			if (playerID == uint.MaxValue)
+            {
+                playerID = inputEngine.GetLocalPlayerID();
+            }
+			ref LocalInputEntityStruct currentInput = ref inputEngine.GetInputRef(playerID);
+			//Utility.Logging.CommandLog($"Current sim frame {currentInput.frame}");
+			// set inputs
+			switch(hotbar)
+			{
+				case 0: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Hotbar_0; break;
+				case 1: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Hotbar_1; break;
+				case 2: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Hotbar_2; break;
+				case 3: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Hotbar_3; break;
+				case 4: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Hotbar_4; break;
+				case 5: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Hotbar_5; break;
+				case 6: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Hotbar_6; break;
+				case 7: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Hotbar_7; break;
+				case 8: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Hotbar_8; break;
+				case 9: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Hotbar_9; break;
+				default: break;
+			}
+			//if (commandLine) currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.ToggleCommandLine; - TODO
+			if (escape) currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Escape;
+			if (enter) currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Return;
+			if (debug) currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.ToggleDebugDisplay;
+			if (next) currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.SelectNext;
+			if (previous) currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.SelectPrev;
+			if (tab) currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Tab;
+			switch (hotbarPage)
+            {
+                case 1: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.HotbarPage1; break;
+				case 2: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.HotbarPage2; break;
+				case 3: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.HotbarPage3; break;
+				case 4: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.HotbarPage4; break;
+				case 5: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.HotbarPage5; break;
+				case 6: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.HotbarPage6; break;
+				case 7: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.HotbarPage7; break;
+				case 8: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.HotbarPage8; break;
+				case 9: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.HotbarPage9; break;
+				case 10: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.HotbarPage10; break;
+				default: break;
+            }
+			if (quickSave) currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.QuickSave;
+			if (paste) currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.PasteSelection;
+		}
+
+		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 LocalInputEntityStruct currentInput = ref inputEngine.GetInputRef(playerID);
+			//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;
+		}
+
+        public static void Init()
+		{
+			GameEngineManager.AddGameEngine(inputEngine);
+			MenuEngineManager.AddMenuEngine(inputEngine);
+		}
+    }
+}

GamecraftModdingAPI/Input/FakeInputEngine.cs

@@ -0,0 +1,65 @@
+using System;
+
+using RobocraftX.Common.Input;
+using RobocraftX.Players;
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Utility;
+using GamecraftModdingAPI.Engines;
+
+namespace GamecraftModdingAPI.Input
+{
+	public class FakeInputEngine : IApiEngine
+	{
+		public string Name { get; } = "GamecraftModdingAPIFakeInputEngine";
+
+		public EntitiesDB entitiesDB { set; private get; }
+
+		public bool isRemovable => false;
+
+		public bool IsReady = false;
+
+		public void Dispose()
+		{
+			IsReady = false;
+		}
+
+		public void Ready()
+		{
+			IsReady = true;
+		}
+
+        public bool SendCustomInput(LocalInputEntityStruct input, uint playerID, bool remote = false)
+		{
+			EGID egid = new EGID(playerID, remote ? InputExclusiveGroups.RemotePlayers : InputExclusiveGroups.LocalPlayers);
+			if (entitiesDB.Exists<LocalInputEntityStruct>(egid))
+			{
+				ref LocalInputEntityStruct ies = ref entitiesDB.QueryEntity<LocalInputEntityStruct>(egid);
+				ies = input;
+				return true;
+			}
+			else return false;
+		}
+
+		public LocalInputEntityStruct GetInput(uint playerID, bool remote = false)
+		{
+			EGID egid = new EGID(playerID, remote ? InputExclusiveGroups.RemotePlayers : InputExclusiveGroups.LocalPlayers);
+			if (entitiesDB.Exists<LocalInputEntityStruct>(egid))
+			{
+				return entitiesDB.QueryEntity<LocalInputEntityStruct>(egid);
+			}
+			else return default(LocalInputEntityStruct);
+		}
+
+		public ref LocalInputEntityStruct GetInputRef(uint playerID, bool remote = false)
+        {
+            EGID egid = new EGID(playerID, remote ? InputExclusiveGroups.RemotePlayers : InputExclusiveGroups.LocalPlayers);
+            return ref entitiesDB.QueryEntity<LocalInputEntityStruct>(egid);
+        }
+
+		public uint GetLocalPlayerID()
+        {
+            return LocalPlayerIDUtility.GetLocalPlayerID(entitiesDB);
+        }
+	}
+}

GamecraftModdingAPI/Inventory/Hotbar.cs

@@ -0,0 +1,47 @@
+using System;
+
+using RobocraftX.Common.Input;
+using RobocraftX.Multiplayer.Input;
+
+using GamecraftModdingAPI.Blocks;
+using GamecraftModdingAPI.Utility;
+using HarmonyLib;
+
+namespace GamecraftModdingAPI.Inventory
+{
+    public static class Hotbar
+    {
+		private static readonly HotbarEngine hotbarEngine = new HotbarEngine();
+
+        /// <summary>
+        /// Switch the block in the player's hand
+        /// </summary>
+        /// <param name="block">The block to switch to.</param>
+        /// <param name="playerID">The player. Omit this to use the local player.</param>
+		public static void EquipBlock(BlockIDs block, uint playerID = uint.MaxValue)
+		{
+			if (playerID == uint.MaxValue)
+			{
+				playerID = hotbarEngine.GetLocalPlayerID();
+			}
+			hotbarEngine.SelectBlock((int) block, playerID);
+            // cubeSelectedByPick = true will crash the game
+            // (this would be equivalent to mouse middle click pick block action)
+			// reason: the game expects a Dictionary entry for the tweaked stats
+		}
+
+        /// <summary>
+        /// Gets the block in the player's hand
+        /// </summary>
+        /// <returns>The equipped block.</returns>
+		public static BlockIDs GetEquippedBlock()
+		{
+			return HotbarSlotSelectionHandlerEnginePatch.EquippedPartID;
+		}
+
+		public static void Init()
+		{
+			GameEngineManager.AddGameEngine(hotbarEngine);
+		}
+    }
+}

GamecraftModdingAPI/Inventory/HotbarEngine.cs

@@ -0,0 +1,58 @@
+using System;
+
+using RobocraftX.Character;
+using RobocraftX.GUI.Hotbar;
+using RobocraftX.Players;
+using RobocraftX.Common;
+using RobocraftX.Common.Input;
+using RobocraftX.Common.Players;
+using Svelto.ECS;
+
+using GamecraftModdingAPI.Blocks;
+using GamecraftModdingAPI.Utility;
+using GamecraftModdingAPI.Engines;
+
+namespace GamecraftModdingAPI.Inventory
+{
+	public class HotbarEngine : IApiEngine
+	{
+		public string Name { get; } = "GamecraftModdingAPIHotbarGameEngine";
+
+		public EntitiesDB entitiesDB { set; private get; }
+
+		public bool isRemovable => false;
+
+		public bool IsInGame = false;
+
+		public void Dispose()
+		{
+			IsInGame = false;
+		}
+
+		public void Ready()
+		{
+			IsInGame = true;
+		}
+
+		public bool SelectBlock(int block, uint playerID, bool cubeSelectedByPick = false)
+		{
+			var inputs = entitiesDB.QueryEntities<LocalInputEntityStruct>(InputExclusiveGroups.LocalPlayers).ToBuffer();
+			if (inputs.count == 0) return false;
+			for (int i = 0; i < inputs.count; i++)
+			{
+				if (inputs.buffer[i].ID.entityID == playerID) {
+					inputs.buffer[i].cubeSelectedByPick = cubeSelectedByPick;
+					inputs.buffer[i].selectedCube = block;
+					return true;
+				}
+			}
+			// TODO: expose the rest of the input functionality
+			return false;
+		}
+
+        public uint GetLocalPlayerID()
+		{
+			return LocalPlayerIDUtility.GetLocalPlayerID(entitiesDB);
+		}
+	}
+}

GamecraftModdingAPI/Inventory/HotbarSlotSelectionHandlerEnginePatch.cs

@@ -4,20 +4,20 @@ using System.Reflection;
 using Svelto.ECS;
 
 using HarmonyLib;
-using TechbloxModdingAPI.Blocks;
+using GamecraftModdingAPI.Blocks;
 
-namespace TechbloxModdingAPI.Inventory
+namespace GamecraftModdingAPI.Inventory
 {
     [HarmonyPatch]
-    class HotbarSlotSelectionHandlerEnginePatch
+    public class HotbarSlotSelectionHandlerEnginePatch
     {
 		private static int selectedBlockInt = 0;
 
 		public static BlockIDs EquippedPartID { get => (BlockIDs)selectedBlockInt; }
 
-		private static MethodInfo PatchedMethod { get; } = AccessTools.Method("Gamecraft.GUI.Hotbar.Blocks.SyncHotbarSlotSelectedToEquippedPartEngine:ActivateSlotForCube", parameters: new Type[] { typeof(uint), typeof(int) });
+		private static MethodInfo PatchedMethod { get; } = AccessTools.Method("Gamecraft.GUI.Hotbar.Blocks.SyncHotbarSlotSelectedToEquippedPartEngine:ActivateSlotForCube", parameters: new Type[] { typeof(uint), typeof(int), typeof(ExclusiveGroupStruct) });
 
-		public static void Prefix(uint playerID, int selectedDBPartID)
+		public static void Prefix(uint playerID, int selectedDBPartID, ExclusiveGroupStruct groupID)
 		{
 			selectedBlockInt = selectedDBPartID;
 		}

GamecraftModdingAPI/Main.cs

@@ -0,0 +1,124 @@
+using System;
+using System.Reflection;
+using GamecraftModdingAPI.Blocks;
+using HarmonyLib;
+
+using RobocraftX;
+using RobocraftX.Services;
+using Svelto.Context;
+
+using GamecraftModdingAPI.Utility;
+using GamecraftModdingAPI.Events;
+using GamecraftModdingAPI.Tasks;
+
+namespace GamecraftModdingAPI
+{
+    /// <summary>
+    /// The main class of the GamecraftModdingAPI.
+    /// Use this to initialize the API before calling it.
+    /// </summary>
+    public static class Main
+    {
+        private static Harmony harmony;
+
+        public static bool IsInitialized { 
+            get { return harmony != null; }
+        }
+
+        private static int referenceCount = 0;
+
+        /// <summary>
+        /// Initializes the GamecraftModdingAPI. 
+        /// Call this as soon as possible after Gamecraft starts up.
+        /// Ideally, this should be called from your main Plugin class's OnApplicationStart() method.
+        /// </summary>
+        public static void Init()
+        {
+            referenceCount++;
+            if (referenceCount > 1) { return; }
+            if (IsInitialized)
+            {
+                Logging.LogWarning("GamecraftModdingAPI.Main.Init() called but API is already initialized!");
+                return;
+            }
+            Logging.MetaDebugLog($"Patching Gamecraft");
+            var currentAssembly = Assembly.GetExecutingAssembly();
+            harmony = new Harmony(currentAssembly.GetName().Name);
+            try
+            {
+                harmony.PatchAll(currentAssembly);
+            }
+            catch (Exception e)
+            { //Can't use ErrorBuilder or Logging.LogException (which eventually uses ErrorBuilder) yet
+                Logging.Log(e.ToString());
+                Logging.LogWarning("Failed to patch Gamecraft. Attempting to patch to display error...");
+                harmony.Patch(AccessTools.Method(typeof(FullGameCompositionRoot), "OnContextInitialized")
+                        .MakeGenericMethod(typeof(UnityContext<FullGameCompositionRoot>)),
+                    new HarmonyMethod(((Action) OnPatchError).Method)); //Can't use lambdas here :(
+                return;
+            }
+
+            // init utility
+            Logging.MetaDebugLog($"Initializing Utility");
+#pragma warning disable 0612,0618
+            Utility.GameState.Init();
+			Utility.VersionTracking.Init();
+            // create default event emitters
+            Logging.MetaDebugLog($"Initializing Events");
+            EventManager.AddEventEmitter(new SimpleEventEmitterEngine(EventType.ApplicationInitialized, "GamecraftModdingAPIApplicationInitializedEventEmitter", false));
+            EventManager.AddEventEmitter(new SimpleEventEmitterEngine(EventType.Menu, "GamecraftModdingAPIMenuActivatedEventEmitter", false));
+            EventManager.AddEventEmitter(new SimpleEventEmitterEngine(EventType.MenuSwitchedTo, "GamecraftModdingAPIMenuSwitchedToEventEmitter", false));
+            EventManager.AddEventEmitter(new SimpleEventEmitterEngine(EventType.Game, "GamecraftModdingAPIGameActivatedEventEmitter", false));
+            EventManager.AddEventEmitter(new SimpleEventEmitterEngine(EventType.GameReloaded, "GamecraftModdingAPIGameReloadedEventEmitter", false));
+            EventManager.AddEventEmitter(new SimpleEventEmitterEngine(EventType.GameSwitchedTo, "GamecraftModdingAPIGameSwitchedToEventEmitter", false));
+			EventManager.AddEventEmitter(GameHostTransitionDeterministicGroupEnginePatch.buildEngine);
+			EventManager.AddEventEmitter(GameHostTransitionDeterministicGroupEnginePatch.simEngine);
+#pragma warning restore 0612,0618
+            // init block implementors
+            Logging.MetaDebugLog($"Initializing Blocks");
+			// init inventory
+			Inventory.Hotbar.Init();
+			// init input
+			Input.FakeInput.Init();
+			// init object-oriented classes
+			Player.Init();
+            Block.Init();
+            BlockGroup.Init();
+            Wire.Init();
+            GameClient.Init();
+            AsyncUtils.Init();
+			GamecraftModdingAPI.App.Client.Init();
+			GamecraftModdingAPI.App.Game.Init();
+            Logging.MetaLog($"{currentAssembly.GetName().Name} v{currentAssembly.GetName().Version} initialized");
+        }
+
+        /// <summary>
+        /// Shuts down & cleans up the GamecraftModdingAPI.
+        /// Call this as late as possible before Gamecraft quits.
+        /// Ideally, this should be called from your main Plugin class's OnApplicationQuit() method.
+        /// </summary>
+        public static void Shutdown()
+        {
+            if (referenceCount > 0) { referenceCount--; }
+            if (referenceCount == 0)
+            {
+                if (!IsInitialized)
+                {
+                    Logging.LogWarning("GamecraftModdingAPI.Main.Shutdown() called but API is not initialized!");
+                    return;
+                }
+                Scheduler.Dispose();
+                var currentAssembly = Assembly.GetExecutingAssembly();
+                harmony.UnpatchAll(currentAssembly.GetName().Name);
+                harmony = null;
+                Logging.MetaLog($"{currentAssembly.GetName().Name} v{currentAssembly.GetName().Version} shutdown");
+            }
+        }
+
+        private static void OnPatchError()
+        {
+            ErrorBuilder.DisplayMustQuitError("Failed to patch Gamecraft!\n" +
+                                              "Make sure you're using the latest version of GamecraftModdingAPI or disable mods if the API isn't released yet.");
+        }
+    }
+}

GamecraftModdingAPI/Persistence/DeserializeFromDiskEntitiesEnginePatch.cs

@@ -8,16 +8,16 @@ using Svelto.ECS;
 using Svelto.ECS.Serialization;
 
 using HarmonyLib;
-using TechbloxModdingAPI.Utility;
+using GamecraftModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.Persistence
+namespace GamecraftModdingAPI.Persistence
 {
-    //[HarmonyPatch] - TODO
+    [HarmonyPatch]
     class DeserializeFromDiskEntitiesEnginePatch
     {
 		internal static EntitiesDB entitiesDB = null;
 
-		private static readonly byte[] frameStart = Encoding.UTF8.GetBytes("\0\0\0TechbloxModdingAPI\0\0\0");
+		private static readonly byte[] frameStart = Encoding.UTF8.GetBytes("\0\0\0GamecraftModdingAPI\0\0\0");
 
 		public static void Prefix(ref ISerializationData ____serializationData, ref FasterList<byte> ____bytesStream, ref IEntitySerialization ____entitySerializer, bool ____spawnBlocksOnly)
 		{
@@ -26,7 +26,7 @@ namespace TechbloxModdingAPI.Persistence
 			SerializerManager.RegisterSerializers(SaveAndLoadCompositionRootPatch.currentEnginesRoot);
 			uint originalPos = ____serializationData.dataPos;
 			Logging.MetaDebugLog($"dataPos: {originalPos}");
-			BinaryBufferReader bbr = new BinaryBufferReader(____bytesStream.ToArrayFast(out int count), ____serializationData.dataPos);
+			BinaryBufferReader bbr = new BinaryBufferReader(____bytesStream.ToArrayFast(out uint count), ____serializationData.dataPos);
 			byte[] frameBuffer = new byte[frameStart.Length];
 			Logging.MetaDebugLog($"serial data count: {____serializationData.data.count} capacity: {____serializationData.data.capacity}");
 			int i = 0;

GamecraftModdingAPI/Persistence/IEntitySerializer.cs

@@ -3,12 +3,12 @@
 using Svelto.ECS;
 using Svelto.ECS.Serialization;
 
-using TechbloxModdingAPI.Utility;
+using GamecraftModdingAPI.Utility;
 
-namespace TechbloxModdingAPI.Persistence
+namespace GamecraftModdingAPI.Persistence
 {
     /// <summary>
-    /// Entity serializer and deserializer interface for storing and retrieving data in a Techblox save file (GameSave.GC).
+    /// Entity serializer and deserializer interface for storing and retrieving data in a Gamecraft save file (GameSave.GC).
     /// </summary>
 	public interface IEntitySerializer : IDeserializationFactory, IQueryingEntitiesEngine
 	{

GamecraftModdingAPI/Persistence/SaveAndLoadCompositionRootPatch.cs

@@ -0,0 +1,21 @@
+using System;
+
+using RobocraftX.SaveAndLoad;
+using Svelto.ECS;
+
+using HarmonyLib;
+
+namespace GamecraftModdingAPI.Persistence
+{
+	[HarmonyPatch(typeof(SaveAndLoadCompositionRoot), "Compose")]
+    class SaveAndLoadCompositionRootPatch
+    {
+		public static EnginesRoot currentEnginesRoot;
+
+		public static void Prefix(EnginesRoot enginesRoot)
+		{
+			currentEnginesRoot = enginesRoot;
+			//SerializerManager.RegisterSerializers(enginesRoot);
+		}
+    }
+}