Merge branch 'master' into customblocks

# Conflicts:
#	GamecraftModdingAPI/Tests/GamecraftModdingAPIPluginTest.cs

GamecraftModdingAPI/App/AppEngine.cs

@@ -46,11 +46,12 @@ namespace GamecraftModdingAPI.App
 		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($"Found game named {mgsevs[i].GameName}");
-				games[i] = new Game(mgsevs[i].ID);
+				Utility.Logging.MetaDebugLog($"Found game named {mgsevsB[i].GameName}");
+				games[i] = new Game(mgsevsB[i].ID);
 			}
 			return games;
 		}

GamecraftModdingAPI/App/CurrentGameMode.cs

@@ -0,0 +1,23 @@
+namespace GamecraftModdingAPI.App
+{
+    public enum CurrentGameMode
+    {
+        None,
+        /// <summary>
+        /// Building a game
+        /// </summary>
+        Build,
+        /// <summary>
+        /// Playing a game
+        /// </summary>
+        Play,
+        /// <summary>
+        /// Viewing a prefab
+        /// </summary>
+        View,
+        /// <summary>
+        /// Viewing a tutorial
+        /// </summary>
+        Tutorial
+    }
+}

GamecraftModdingAPI/App/Game.cs

@@ -335,6 +335,18 @@ namespace GamecraftModdingAPI.App
 			gameEngine.ToggleTimeMode();
 		}
 
+        /// <summary>
+        /// The mode of the game.
+        /// </summary>
+        public CurrentGameMode Mode
+        {
+	        get
+	        {
+		        if (menuMode || !VerifyMode()) return CurrentGameMode.None;
+		        return (CurrentGameMode) GameMode.CurrentMode;
+	        }
+        }
+
         /// <summary>
         /// Load the game save.
 		/// This happens asynchronously, so when this method returns the game not loaded yet.

GamecraftModdingAPI/App/GameGameEngine.cs

@@ -52,7 +52,7 @@ namespace GamecraftModdingAPI.App
 		{
 			if (async)
 			{
-				ExitCurrentGameAsync().RunOn(Lean.EveryFrameStepRunner_RUNS_IN_TIME_STOPPED_AND_RUNNING);
+				ExitCurrentGameAsync().RunOn(Lean.EveryFrameStepRunner_TimeRunningAndStopped);
 			}
 			else
 			{
@@ -102,16 +102,27 @@ namespace GamecraftModdingAPI.App
 			if (filter == BlockIDs.Invalid)
 			{
 				foreach (var (blocks, _) in allBlocks)
-				foreach (var block in blocks)
-					blockEGIDs.Add(block.ID);
+				{
+					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)
-				foreach (var block in blocks)
-					if (block.DBID == (ulong) filter)
-						blockEGIDs.Add(block.ID);
+				{
+					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

@@ -61,12 +61,13 @@ namespace GamecraftModdingAPI.App
 		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 (games[i].ID.entityID > max)
+				if (gamesB[i].ID.entityID > max)
 				{
-					max = games[i].ID.entityID;
+					max = gamesB[i].ID.entityID;
 				}
 			}
 			return max;
@@ -118,11 +119,12 @@ namespace GamecraftModdingAPI.App
         {
 	        EntityCollection<MyGamesSlotEntityViewStruct> entities =
 		        entitiesDB.QueryEntities<MyGamesSlotEntityViewStruct>(MyGamesScreenExclusiveGroups.GameSlotGuiEntities);
+	        var entitiesB = entities.ToBuffer().buffer;
 			for (int i = 0; i < entities.count; i++)
 			{
-				if (entities[i].ID.entityID == id.entityID)
+				if (entitiesB[i].ID.entityID == id.entityID)
 				{
-					return ref entities[i];
+					return ref entitiesB[i];
 				}
 			}
 			MyGamesSlotEntityViewStruct[] defRef = new MyGamesSlotEntityViewStruct[1];

GamecraftModdingAPI/Block.cs

@@ -3,12 +3,12 @@ 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 Unity.Entities;
 using Gamecraft.Blocks.GUI;
 
 using GamecraftModdingAPI.Blocks;
@@ -29,6 +29,7 @@ namespace GamecraftModdingAPI
 		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();
 
@@ -36,16 +37,11 @@ namespace GamecraftModdingAPI
 		/// 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.
-		/// <para></para>
-		/// <para>When placing multiple blocks, do not access properties immediately after creation as this
-		/// triggers a sync each time which can affect performance and may cause issues with the game.
-		/// You may either use AsyncUtils.WaitForSubmission() after placing all of the blocks
-		/// or simply access the block properties which will trigger the synchronization the first time a property is used.</para>
 		/// </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 in the grid - default block size is 0.2</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>
@@ -66,7 +62,7 @@ namespace GamecraftModdingAPI
 		/// <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 in the grid - default block size is 0.2</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>
@@ -118,25 +114,35 @@ namespace GamecraftModdingAPI
 
 		private static Dictionary<Type, Func<EGID, Block>> initializers = new Dictionary<Type, Func<EGID, Block>>();
 
-		private static Dictionary<Type, ExclusiveGroupStruct[]> typeToGroup =
-			new Dictionary<Type, ExclusiveGroupStruct[]>
+		private static Dictionary<Type, ExclusiveBuildGroup[]> typeToGroup =
+			new Dictionary<Type, ExclusiveBuildGroup[]>
 			{
-				{typeof(ConsoleBlock), new[] {CommonExclusiveGroups.BUILD_CONSOLE_BLOCK_GROUP}},
-				{typeof(LogicGate), new [] {CommonExclusiveGroups.BUILD_LOGIC_BLOCK_GROUP}},
-				{typeof(Motor), new[] {CommonExclusiveGroups.BUILD_MOTOR_BLOCK_GROUP}},
-				{typeof(MusicBlock), new[] {CommonExclusiveGroups.BUILD_MUSIC_BLOCK_GROUP}},
-				{typeof(Piston), new[] {CommonExclusiveGroups.BUILD_PISTON_BLOCK_GROUP}},
-				{typeof(Servo), new[] {CommonExclusiveGroups.BUILD_SERVO_BLOCK_GROUP}},
+				{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.BUILD_SPAWNPOINT_BLOCK_GROUP,
-						CommonExclusiveGroups.BUILD_BUILDINGSPAWN_BLOCK_GROUP
+						CommonExclusiveGroups.SPAWNPOINT_BLOCK_GROUP,
+						CommonExclusiveGroups.BUILDINGSPAWN_BLOCK_GROUP
 					}
 				},
-				{typeof(TextBlock), new[] {CommonExclusiveGroups.BUILD_TEXT_BLOCK_GROUP}},
-				{typeof(Timer), new[] {CommonExclusiveGroups.BUILD_TIMER_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>
@@ -184,7 +190,7 @@ namespace GamecraftModdingAPI
 				type);
 			ILGenerator il = dynamic.GetILGenerator();
 
-			il.DeclareLocal(type);
+			//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
@@ -224,6 +230,7 @@ namespace GamecraftModdingAPI
 		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.
@@ -235,6 +242,9 @@ namespace GamecraftModdingAPI
 			set
 			{
 				MovementEngine.MoveBlock(Id, InitData, value);
+				if (blockGroup != null)
+					blockGroup.PosAndRotCalculated = false;
+				BlockEngine.UpdateDisplayedBlock(Id);
 			}
 		}
 
@@ -247,6 +257,9 @@ namespace GamecraftModdingAPI
 			set
 			{
 				RotationEngine.RotateBlock(Id, InitData, value);
+				if (blockGroup != null)
+					blockGroup.PosAndRotCalculated = false;
+				BlockEngine.UpdateDisplayedBlock(Id);
 			}
 		}
 
@@ -262,6 +275,7 @@ namespace GamecraftModdingAPI
 				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);
 			}
 		}
 
@@ -307,9 +321,10 @@ namespace GamecraftModdingAPI
 				BlockEngine.SetBlockInfo(this, (ref ColourParameterEntityStruct color, BlockColor val) =>
 				{
 					color.indexInPalette = (byte) (val.Color + val.Darkness * 10);
-					color.overridePaletteColour = false;
-					color.needsUpdate = true;
-					BlockEngine.SetBlockColorFromPalette(ref color);
+					//color.overridePaletteColour = false;
+					//color.needsUpdate = true;
+					color.hasNetworkChange = true;
+					color.paletteColour = BlockEngine.ConvertBlockColor(color.indexInPalette);
 				}, value);
 			}
 		}
@@ -319,14 +334,15 @@ namespace GamecraftModdingAPI
 		/// </summary>
 		public float4 CustomColor
 		{
-			get => BlockEngine.GetBlockInfo(this, (ColourParameterEntityStruct st) => st.overriddenColour);
+			get => BlockEngine.GetBlockInfo(this, (ColourParameterEntityStruct st) => st.paletteColour);
 			set
 			{
 				BlockEngine.SetBlockInfo(this, (ref ColourParameterEntityStruct color, float4 val) =>
 				{
-					color.overriddenColour = val;
-					color.overridePaletteColour = true;
-					color.needsUpdate = true;
+					color.paletteColour = val;
+					//color.overridePaletteColour = true;
+					//color.needsUpdate = true;
+					color.hasNetworkChange = true;
 				}, value);
 			}
 		}
@@ -347,6 +363,41 @@ namespace GamecraftModdingAPI
 			}
 		}
 
+		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.
@@ -368,11 +419,34 @@ namespace GamecraftModdingAPI
 		/// 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.</returns>
+		/// <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) => new SimBody(st.machineRigidBodyId, st.clusterId));
+				(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)
@@ -380,6 +454,8 @@ namespace GamecraftModdingAPI
 			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()
@@ -422,6 +498,7 @@ namespace GamecraftModdingAPI
 			GameEngineManager.AddGameEngine(BlockEventsEngine);
 			GameEngineManager.AddGameEngine(ScalingEngine);
 			GameEngineManager.AddGameEngine(SignalEngine);
+			GameEngineManager.AddGameEngine(BlockCloneEngine);
 			Wire.signalEngine = SignalEngine; // requires same functionality, no need to duplicate the engine
 		}
 
@@ -439,7 +516,12 @@ namespace GamecraftModdingAPI
 			
 			//Lets improve that using delegates
 			var block = New<T>(Id.entityID, Id.groupID);
-			block.InitData = this.InitData;
+			if (this.InitData.Group != null)
+			{
+				block.InitData = this.InitData;
+				Placed += block.OnPlacedInit; //Reset InitData of new object
+			}
+
 			return block;
 		}
 
@@ -452,9 +534,5 @@ namespace GamecraftModdingAPI
 			}
 		}
 #endif
-		internal static void Setup(World physicsWorld)
-		{
-			ScalingEngine.Setup(physicsWorld.EntityManager);
-		}
 	}
 }

GamecraftModdingAPI/BlockGroup.cs

@@ -0,0 +1,216 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+using Gamecraft.Blocks.BlockGroups;
+using Unity.Mathematics;
+using UnityEngine;
+
+using GamecraftModdingAPI.Blocks;
+using GamecraftModdingAPI.Utility;
+
+namespace GamecraftModdingAPI
+{
+    /// <summary>
+    /// A group of blocks that can be selected together. The placed version of blueprints. Dispose after usage.
+    /// </summary>
+    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)
+        {
+            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;
+        }
+
+        private void OnBlockRemoved(object sender, BlockPlacedRemovedEventArgs e)
+        {
+            //blocks.RemoveAll(block => block.Id == e.ID); - Allocation heavy
+            int index = -1;
+            for (int i = 0; i < blocks.Count; i++)
+            {
+                if (blocks[i].Id == e.ID)
+                {
+                    index = i;
+                    break;
+                }
+            }
+
+            if (index != -1) blocks.RemoveAt(index);
+        }
+
+        public void Dispose()
+        {
+            Block.Removed -= OnBlockRemoved;
+        }
+
+        /// <summary>
+        /// The position of the block group (center). Can only be used after initialization is complete.
+        /// </summary>
+        public float3 Position
+        {
+            get
+            {
+                if (!PosAndRotCalculated)
+                    Refresh();
+                return position;
+            }
+            set
+            {
+                var diff = value - position;
+                foreach (var block in blocks)
+                    block.Position += diff;
+                if (!PosAndRotCalculated) //The condition can only be true if a block has been added/removed manually
+                    Refresh(); //So the blocks array is up to date
+                else
+                    position += diff;
+            }
+        }
+
+        /// <summary>
+        /// The rotation of the block group. Can only be used after initialization is complete.
+        /// </summary>
+        public float3 Rotation
+        {
+            get
+            {
+                if (!PosAndRotCalculated)
+                    Refresh();
+                return rotation;
+            }
+            set
+            {
+                var diff = value - rotation;
+                var qdiff = Quaternion.Euler(diff);
+                foreach (var block in blocks)
+                {
+                    block.Rotation += diff;
+                    block.Position = qdiff * block.Position;
+                }
+                if (!PosAndRotCalculated)
+                    Refresh();
+                else
+                    rotation += diff;
+            }
+        }
+
+        /*/// <summary>
+        /// Removes all of the blocks in this group from the world.
+        /// </summary>
+        public void RemoveBlocks()
+        {
+            _engine.RemoveBlockGroup(Id); - TODO: Causes a hard crash
+        }*/
+
+        /// <summary>
+        /// Creates a new block group consisting of a single block.
+        /// You can add more blocks using the Add() method or by setting the BlockGroup property of the blocks.<br />
+        /// Note that only newly placed blocks can be added to groups.
+        /// </summary>
+        /// <param name="block">The block to add</param>
+        /// <returns>A new block group containing the given block</returns>
+        public static BlockGroup Create(Block block)
+        {
+            var bg = new BlockGroup(_engine.CreateBlockGroup(block.Position, Quaternion.Euler(block.Rotation)), block);
+            block.BlockGroup = bg;
+            return bg;
+        }
+
+        /// <summary>
+        /// Collects each block that is a part of this group. Also sets the position and rotation.
+        /// </summary>
+        /// <returns>An array of blocks</returns>
+        private Block[] GetBlocks()
+        {
+            if (!sourceBlock.Exists) return new[] {sourceBlock}; //The block must exist to get the others
+            var ret = _engine.GetBlocksFromGroup(sourceBlock.Id, out var pos, out var rot);
+            position = pos;
+            rotation = ((Quaternion) rot).eulerAngles;
+            PosAndRotCalculated = true;
+            return ret;
+        }
+
+        private void Refresh()
+        {
+            blocks.Clear();
+            blocks.AddRange(GetBlocks());
+        }
+
+        internal static void Init()
+        {
+            GameEngineManager.AddGameEngine(_engine);
+        }
+
+        public IEnumerator<Block> GetEnumerator() => blocks.GetEnumerator();
+        IEnumerator IEnumerable.GetEnumerator() => blocks.GetEnumerator();
+
+        /// <summary>
+        /// Adds a block to the group. You can only add newly placed blocks
+        /// so that the game initializes the group membership properly.
+        /// </summary>
+        /// <param name="item"></param>
+        /// <exception cref="NullReferenceException"></exception>
+        public void Add(Block item)
+        {
+            if (item == null) throw new NullReferenceException("Cannot add null to a block group");
+            item.BlockGroup = this; //Calls AddInternal
+        }
+
+        internal void AddInternal(Block item)
+        {
+            blocks.Add(item);
+            _engine.AddBlockToGroup(item.Id, Id);
+        }
+
+        /// <summary>
+        /// Removes all blocks from this group.
+        /// You cannot remove blocks that have been initialized, only those that you placed recently.
+        /// </summary>
+        public void Clear()
+        {
+            while (blocks.Count > 0)
+                Remove(blocks[blocks.Count - 1]);
+        }
+
+        public bool Contains(Block item) => blocks.Contains(item);
+        public void CopyTo(Block[] array, int arrayIndex) => blocks.CopyTo(array, arrayIndex);
+
+        /// <summary>
+        /// Removes a block from this group.
+        /// You cannot remove blocks that have been initialized, only those that you placed recently.
+        /// </summary>
+        /// <param name="item"></param>
+        /// <returns></returns>
+        /// <exception cref="NullReferenceException"></exception>
+        public bool Remove(Block item)
+        {
+            if (item == null) throw new NullReferenceException("Cannot remove null from a block group");
+            bool ret = item.BlockGroup == this;
+            if (ret)
+                item.BlockGroup = null; //Calls RemoveInternal
+            return ret;
+        }
+
+        internal void RemoveInternal(Block item) => blocks.Remove(item);
+
+        public int Count => blocks.Count;
+        public bool IsReadOnly { get; } = false;
+
+        public Block this[int index] => blocks[index]; //Setting is not supported, since the order doesn't matter
+
+        public override string ToString()
+        {
+            return $"{nameof(Id)}: {Id}, {nameof(Position)}: {Position}, {nameof(Rotation)}: {Rotation}, {nameof(Count)}: {Count}";
+        }
+    }
+}

GamecraftModdingAPI/Blocks/BlockCloneEngine.cs

@@ -0,0 +1,108 @@
+using System;
+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;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public class BlockCloneEngine : IApiEngine
+    {
+        private static Type copyEngineType =
+            AccessTools.TypeByName("Gamecraft.GUI.Tweaks.Engines.CopyTweaksOnPickEngine");
+        private static Type copyWireEngineType =
+            AccessTools.TypeByName("Gamecraft.Wires.WireConnectionCopyOnPickEngine");
+        private static Type createWireEngineType =
+            AccessTools.TypeByName("RobocraftX.GUI.Wires.WireConnectionCreateOnPlaceEngine");
+
+        private MethodBase copyFromBlock = AccessTools.Method(copyEngineType, "CopyTweaksFromBlock");
+        private MethodBase copyToBlock = AccessTools.Method(copyEngineType, "ApplyTweaksToPlacedBlock");
+        private MethodBase copyWireFromBlock = AccessTools.Method(copyWireEngineType, "CopyWireInputsAndOutputs");
+        private MethodBase copyWireToBlock = AccessTools.Method(createWireEngineType, "PlaceWiresOnPlaceNewCube");
+
+        public void Ready()
+        {
+        }
+
+        public EntitiesDB entitiesDB { get; set; }
+
+        public void Dispose()
+        {
+        }
+
+        public void CopyBlockStats(EGID sourceID, EGID targetID)
+        {
+            var allCharacters = (LocalFasterReadOnlyList<ExclusiveGroupStruct>) CharacterExclusiveGroups.AllCharacters;
+            foreach (var ((pickedBlockColl, count), _) in entitiesDB.QueryEntities<PickedBlockExtraDataStruct>(allCharacters))
+            {
+                for (int i = 0; i < count; ++i)
+                {
+                    ref PickedBlockExtraDataStruct pickedBlock = ref pickedBlockColl[i];
+                    var oldStruct = pickedBlock;
+                    pickedBlock.pickedBlockEntityID = sourceID;
+                    pickedBlock.placedBlockEntityID = targetID;
+                    pickedBlock.placedBlockTweaksCopied = false;
+                    pickedBlock.placedBlockTweaksMustCopy = true;
+                    if (entitiesDB.Exists<DBEntityStruct>(pickedBlock.pickedBlockEntityID)
+                        && entitiesDB.Exists<DBEntityStruct>(pickedBlock.placedBlockEntityID))
+                    {
+                        copyFromBlock.Invoke(Patch.copyEngine, new object[] {pickedBlock.ID, pickedBlock});
+
+                        uint playerID = Player.LocalPlayer.Id;
+                        var parameters = new object[] {playerID, pickedBlock};
+                        copyWireFromBlock.Invoke(Patch.copyWireEngine, parameters);
+                        pickedBlock = (PickedBlockExtraDataStruct) parameters[1]; //ref arg
+                        
+                        copyToBlock.Invoke(Patch.copyEngine, new object[] {pickedBlock.ID, pickedBlock});
+
+                        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
+                }
+            }
+        }
+
+        [HarmonyPatch]
+        private static class Patch
+        {
+            public static object copyEngine;
+            public static object copyWireEngine;
+            public static object createWireEngine;
+
+            public static void Postfix(object __instance)
+            {
+                if (__instance.GetType() == copyEngineType)
+                    copyEngine = __instance;
+                else if (__instance.GetType() == copyWireEngineType)
+                    copyWireEngine = __instance;
+                else if (__instance.GetType() == createWireEngineType)
+                    createWireEngine = __instance;
+            }
+
+            public static IEnumerable<MethodBase> TargetMethods()
+            {
+                return new[]
+                {
+                    AccessTools.GetDeclaredConstructors(copyEngineType)[0],
+                    AccessTools.GetDeclaredConstructors(copyWireEngineType)[0],
+                    AccessTools.GetDeclaredConstructors(createWireEngineType)[0]
+                };
+            }
+        }
+
+        public string Name { get; } = "GamecraftModdingAPIBlockCloneGameEngine";
+        public bool isRemovable { get; } = false;
+    }
+}

GamecraftModdingAPI/Blocks/BlockColor.cs

@@ -1,10 +1,17 @@
-namespace GamecraftModdingAPI.Blocks
+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)
@@ -14,6 +21,8 @@
             }
             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);
             }
@@ -21,10 +30,14 @@
 
         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}";

GamecraftModdingAPI/Blocks/BlockEngine.cs

@@ -2,15 +2,19 @@ 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.GUI.Hotbar.Colours;
 using RobocraftX.Physics;
-using RobocraftX.Scene.Simulation;
+using RobocraftX.Rendering;
+using Svelto.ECS.EntityStructs;
+
 using Svelto.DataStructures;
 using Svelto.ECS;
 using Svelto.ECS.Hybrid;
+using Unity.Mathematics;
 
 using GamecraftModdingAPI.Engines;
 
@@ -42,8 +46,14 @@ namespace GamecraftModdingAPI.Blocks
 			FasterList<EGID> cubes = new FasterList<EGID>(10);
 			var coll = entitiesDB.QueryEntities<GridConnectionsEntityStruct>();
 			foreach (var (ecoll, _) in coll)
-			foreach (ref var conn in ecoll)
-				conn.isProcessed = false;
+			{
+				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; });
@@ -54,12 +64,10 @@ namespace GamecraftModdingAPI.Blocks
 			return ret;
 		}
 
-		public void SetBlockColorFromPalette(ref ColourParameterEntityStruct color)
-		{
-			ref var paletteEntry = ref entitiesDB.QueryEntity<PaletteEntryEntityStruct>(color.indexInPalette,
-				CommonExclusiveGroups.COLOUR_PALETTE_GROUP);
-			color.paletteColour = paletteEntry.Colour;
-		}
+		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
 		{
@@ -69,17 +77,17 @@ namespace GamecraftModdingAPI.Blocks
 			return ref structHolder[0]; //Gets a default value automatically
 		}
 		
-		public ref T GetBlockInfoViewStruct<T>(EGID blockID) where T : struct, INeedEGID, IEntityComponent
+		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
-				EntityCollection<T> entities = entitiesDB.QueryEntities<T>(blockID.groupID);
+				BT<MB<T>> entities = entitiesDB.QueryEntities<T>(blockID.groupID).ToBuffer();
 				for (int i = 0; i < entities.count; i++)
 				{
-					if (entities[i].ID == blockID)
+					if (entities.buffer[i].ID == blockID)
 					{
-						return ref entities[i];
+						return ref entities.buffer[i];
 					}
 				}
 			}
@@ -143,6 +151,15 @@ namespace GamecraftModdingAPI.Blocks
 			}
 		}
 
+		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);
@@ -161,43 +178,55 @@ namespace GamecraftModdingAPI.Blocks
 		public SimBody[] GetSimBodiesFromID(byte id)
 		{
 			var ret = new FasterList<SimBody>(4);
-			if (!entitiesDB.HasAny<ObjectIdEntityStruct>(CommonExclusiveGroups.BUILD_OBJID_BLOCK_GROUP))
-				return new SimBody[0];
-			var oids = entitiesDB.QueryEntities<ObjectIdEntityStruct>(CommonExclusiveGroups.BUILD_OBJID_BLOCK_GROUP);
-			var connections = entitiesDB.QueryMappedEntities<GridConnectionsEntityStruct>(CommonExclusiveGroups.BUILD_OBJID_BLOCK_GROUP);
-			foreach (ref ObjectIdEntityStruct oid in oids)
+			var oide = entitiesDB.QueryEntities<ObjectIdEntityStruct>();
+			EGIDMapper<GridConnectionsEntityStruct>? connections = null;
+			foreach (var ((oids, count), _) in oide)
 			{
-				if (oid.objectId != id) continue;
-				var rid = connections.Entity(oid.ID.entityID).machineRigidBodyId;
-				foreach (var rb in ret)
+				for (int i = 0; i < count; i++)
 				{	
-					if (rb.Id.entityID == rid)
-						goto DUPLICATE; //Multiple Object Identifiers on one rigid body
+					ref ObjectIdEntityStruct oid = ref oids[i];
+					if (oid.objectId != id) continue;
+					if (!connections.HasValue) //Would need reflection to get the group from the build group otherwise
+						connections = entitiesDB.QueryMappedEntities<GridConnectionsEntityStruct>(oid.ID.groupID);
+					var rid = connections.Value.Entity(oid.ID.entityID).machineRigidBodyId;
+					foreach (var rb in ret)
+					{
+						if (rb.Id.entityID == rid)
+							goto DUPLICATE; //Multiple Object Identifiers on one rigid body
+					}
+
+					ret.Add(new SimBody(rid));
+					DUPLICATE: ;
 				}
-				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.BUILD_OBJID_BLOCK_GROUP))
-				return new ObjectIdentifier[0];
-			var oids = entitiesDB.QueryEntities<ObjectIdEntityStruct>(CommonExclusiveGroups.BUILD_OBJID_BLOCK_GROUP);
-			foreach (ref ObjectIdEntityStruct oid in oids)
-				if (sim ? oid.simObjectId == id : oid.objectId == id)
-					ret.Add(new ObjectIdentifier(oid.ID));
+			var oide = entitiesDB.QueryEntities<ObjectIdEntityStruct>();
+			foreach (var ((oids, count), _) in oide)
+			{
+				for (int i = 0; i < count; i++)
+				{
+					ref ObjectIdEntityStruct oid = ref oids[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);
+			var joints = entitiesDB.QueryEntities<JointEntityStruct>(MachineSimulationGroups.JOINTS_GROUP).ToBuffer();
 			var list = new FasterList<SimBody>(4);
-			foreach (var joint in joints)
+			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));
@@ -212,14 +241,16 @@ namespace GamecraftModdingAPI.Blocks
 			var bodies = new HashSet<uint>();
 			foreach (var (coll, _) in groups)
 			{
-				foreach (var conn in coll)
+				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)).ToArray();
+			return bodies.Select(id => new SimBody(id, cid)).ToArray();
 		}
 
 		public EGID? FindBlockEGID(uint id)
@@ -239,9 +270,12 @@ namespace GamecraftModdingAPI.Blocks
 			var groups = entitiesDB.QueryEntities<GridConnectionsEntityStruct>();
 			foreach (var (coll, _) in groups)
 			{
-				foreach (var conn in coll)
+				var array = coll.ToBuffer().buffer;
+				for (var index = 0; index < array.capacity; index++)
 				{
-					if (conn.machineRigidBodyId == sbid)
+					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);
 				}
 			}
@@ -249,6 +283,24 @@ namespace GamecraftModdingAPI.Blocks
 			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()
 		{

GamecraftModdingAPI/Blocks/BlockEngineInit.cs

@@ -14,10 +14,10 @@ namespace GamecraftModdingAPI.Blocks
         /// </summary>
         internal struct BlockInitData
         {
-            public FasterDictionary<RefWrapper<Type>, ITypeSafeDictionary> Group;
+            public FasterDictionary<RefWrapperType, ITypeSafeDictionary> Group;
         }
 
-        internal delegate FasterDictionary<RefWrapper<Type>, ITypeSafeDictionary> GetInitGroup(
+        internal delegate FasterDictionary<RefWrapperType, ITypeSafeDictionary> GetInitGroup(
             EntityComponentInitializer initializer);
 
         /// <summary>

GamecraftModdingAPI/Blocks/BlockEventsEngine.cs

@@ -5,10 +5,11 @@ using Svelto.ECS;
 
 using GamecraftModdingAPI.Engines;
 using GamecraftModdingAPI.Utility;
+using RobocraftX.Blocks;
 
 namespace GamecraftModdingAPI.Blocks
 {
-    public class BlockEventsEngine : IReactionaryEngine<DBEntityStruct>
+    public class BlockEventsEngine : IReactionaryEngine<BlockTagEntityStruct>
     {
         public event EventHandler<BlockPlacedRemovedEventArgs> Placed;
         public event EventHandler<BlockPlacedRemovedEventArgs> Removed;
@@ -27,20 +28,20 @@ namespace GamecraftModdingAPI.Blocks
         public bool isRemovable { get; } = false;
 
         private bool shouldAddRemove;
-        public void Add(ref DBEntityStruct entityComponent, EGID egid)
+        public void Add(ref BlockTagEntityStruct entityComponent, EGID egid)
         {
             if (!(shouldAddRemove = !shouldAddRemove))
                 return;
             ExceptionUtil.InvokeEvent(Placed, this,
-                new BlockPlacedRemovedEventArgs {ID = egid, Type = (BlockIDs) entityComponent.DBID});
+                new BlockPlacedRemovedEventArgs {ID = egid});
         }
 
-        public void Remove(ref DBEntityStruct entityComponent, EGID egid)
+        public void Remove(ref BlockTagEntityStruct entityComponent, EGID egid)
         {
             if (!(shouldAddRemove = !shouldAddRemove))
                 return;
             ExceptionUtil.InvokeEvent(Removed, this,
-                new BlockPlacedRemovedEventArgs {ID = egid, Type = (BlockIDs) entityComponent.DBID});
+                new BlockPlacedRemovedEventArgs {ID = egid});
         }
     }
 

GamecraftModdingAPI/Blocks/BlockIDs.cs

@@ -228,7 +228,7 @@ namespace GamecraftModdingAPI.Blocks
         ObjectiveHUD,
         GameStatsHUD, //231
         GameOverBlock,
-        SFXBlockGameplay=240,
+        SFXBlockGameplay = 240,
         SFXBlock8Bit,
         SFXBlockInstrument,
         SFXBlockSciFi,
@@ -248,7 +248,92 @@ namespace GamecraftModdingAPI.Blocks
         PlasmaCannonBlock,
         QuantumRiflePickup = 300,
         QuantumRifleAmmoPickup,
-        MagmaRockCube=777,
+        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,
+        GridCube,
+        GridSlicedCube,
+        GridSlope,
+        GridCorner,
+        MagmaRockCube = 777,
         MagmaRockCubeSliced,
         MagmaRockSlope,
         MagmaRockCorner,
@@ -267,7 +352,7 @@ namespace GamecraftModdingAPI.Blocks
         HexNetSlopeRounded,
         HexNetCornerRounded, //794
         MagmaRockBulgedInner,
-        HexNetCylinder=797,
+        HexNetCylinder = 797,
         HexNetHemisphere,
         HexNetSphere,
         HexNetTubeCorner //800

GamecraftModdingAPI/Blocks/BlueprintEngine.cs

@@ -0,0 +1,319 @@
+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.Common;
+using RobocraftX.CR.MachineEditing.BoxSelect;
+using RobocraftX.CR.MachineEditing.BoxSelect.ClipboardOperations;
+using Svelto.DataStructures;
+using Svelto.ECS;
+using Svelto.ECS.DataStructures;
+using Svelto.ECS.EntityStructs;
+using Svelto.ECS.Serialization;
+using Unity.Collections;
+using Unity.Mathematics;
+using UnityEngine;
+using Allocator = Svelto.Common.Allocator;
+
+namespace GamecraftModdingAPI.Blocks
+{
+    public class BlueprintEngine : IFactoryEngine
+    {
+        private readonly MethodInfo getBlocksFromGroup =
+            AccessTools.Method("RobocraftX.CR.MachineEditing.PlaceBlockUtility:GetBlocksSharingBlockgroup");
+
+        private NativeDynamicArray selectedBlocksInGroup;
+        private NativeHashSet<ulong> removedConnections = new NativeHashSet<ulong>();
+        private int addingToBlockGroup = -1;
+
+        private static readonly Type PlaceBlueprintUtilityType =
+            AccessTools.TypeByName("RobocraftX.CR.MachineEditing.PlaceBlueprintUtility");
+        private static readonly FieldInfo LocalBlockMap =
+            AccessTools.DeclaredField(PlaceBlueprintUtilityType, "_localBlockMap");
+        private static readonly MethodInfo BuildBlock = AccessTools.Method(PlaceBlueprintUtilityType, "BuildBlock");
+        private static readonly MethodInfo BuildWires = AccessTools.Method(PlaceBlueprintUtilityType, "BuildWires");
+        private static readonly Type SerializeGhostBlueprintType =
+            AccessTools.TypeByName("RobocraftX.CR.MachineEditing.BoxSelect.SerializeGhostChildrenOnAddEngine");
+        private static readonly MethodInfo SerializeGhostBlueprint =
+            AccessTools.Method(SerializeGhostBlueprintType, "SerializeClipboardGhostEntities");
+
+        private static NativeEntityRemove nativeRemove;
+        private static MachineGraphConnectionEntityFactory connectionFactory;
+        private static IEntityFunctions entityFunctions;
+        private static ClipboardSerializationDataResourceManager clipboardManager;
+        private static IEntitySerialization entitySerialization;
+        private static IEntityFactory entityFactory;
+        private static FasterList<EGID> globalBlockMap;
+        private static object SerializeGhostBlueprintInstance;
+        private static GhostChildEntityFactory BuildGhostBlueprintFactory;
+
+        public void Ready()
+        {
+            selectedBlocksInGroup = NativeDynamicArray.Alloc<EGID>(Allocator.Persistent);
+        }
+
+        public EntitiesDB entitiesDB { get; set; }
+
+        public void Dispose()
+        {
+            selectedBlocksInGroup.Dispose();
+        }
+
+        public Block[] GetBlocksFromGroup(EGID blockID, out float3 pos, out quaternion rot)
+        {
+            var blockPos = default(float3);
+            var blockRot = default(quaternion);
+            var parameters = new object[] {blockID, selectedBlocksInGroup, entitiesDB, blockPos, blockRot};
+            getBlocksFromGroup.Invoke(null, parameters);
+            pos = (float3) parameters[3];
+            rot = (quaternion) parameters[4];
+            int count = selectedBlocksInGroup.Count<EGID>();
+            var ret = new Block[count];
+            for (uint i = 0; i < count; i++)
+                ret[i] = new Block(selectedBlocksInGroup.Get<EGID>(i));
+            selectedBlocksInGroup.FastClear();
+            return ret;
+        }
+
+        public void RemoveBlockGroup(int id)
+        {
+            BlockGroupUtility.RemoveAllBlocksInBlockGroup(id, entitiesDB, removedConnections, nativeRemove,
+                connectionFactory, default).Complete();
+        }
+
+        public int CreateBlockGroup(float3 position, quaternion rotation)
+        {
+            int nextFilterId = BlockGroupUtility.NextFilterId;
+            Factory.BuildEntity<BlockGroupEntityDescriptor>((uint) nextFilterId,
+                BlockGroupExclusiveGroups.BlockGroupEntityGroup).Init(new BlockGroupTransformEntityComponent
+            {
+                blockGroupGridRotation = rotation,
+                blockGroupGridPosition = position
+            });
+            return nextFilterId;
+        }
+
+        public void AddBlockToGroup(EGID blockID, int groupID)
+        {
+            if (globalBlockMap == null)
+                globalBlockMap = FullGameFields._deserialisedBlockMap;
+            if (groupID != addingToBlockGroup)
+            {
+                Logging.MetaDebugLog("Changing current block group from " + addingToBlockGroup + " to " + groupID);
+                addingToBlockGroup = groupID;
+                globalBlockMap.Clear();
+            }
+
+            globalBlockMap.Add(blockID);
+        }
+
+        public void SelectBlueprint(uint resourceID)
+        {
+            if (resourceID == uint.MaxValue)
+                BlueprintUtil.UnselectBlueprint(entitiesDB);
+            else
+                BlueprintUtil.SelectBlueprint(entitiesDB, resourceID, false, -1);
+        }
+
+        public uint CreateBlueprint()
+        {
+            uint index = clipboardManager.AllocateSerializationData();
+            return index;
+        }
+
+        public void ReplaceBlueprint(uint playerID, uint blueprintID, ICollection<Block> selected, float3 pos, quaternion rot)
+        {
+            var blockIDs = new EGID[selected.Count];
+            using (var enumerator = selected.GetEnumerator())
+            {
+                for (var i = 0; enumerator.MoveNext(); i++)
+                {
+                    var block = enumerator.Current;
+                    blockIDs[i] = block.Id;
+                }
+            }
+
+            var serializationData = clipboardManager.GetSerializationData(blueprintID);
+            SelectionSerializationUtility.ClearClipboard(playerID, entitiesDB, entityFunctions, serializationData.blueprintData, -1);
+            if (selected.Count == 0)
+                return;
+            //ref BlockGroupTransformEntityComponent groupTransform = ref EntityNativeDBExtensions.QueryEntity<BlockGroupTransformEntityComponent>(entitiesDb, (uint) local1.currentBlockGroup, BlockGroupExclusiveGroups.BlockGroupEntityGroup);
+            //ref ColliderAabb collider = ref EntityNativeDBExtensions.QueryEntity<ColliderAabb>(entitiesDB, (uint) groupID, BlockGroupExclusiveGroups.BlockGroupEntityGroup);
+            //float3 bottomOffset = PlaceBlockUtility.GetBottomOffset(collider);
+            //var rootPosition = math.mul(groupTransform.blockGroupGridRotation, bottomOffset) + groupTransform.blockGroupGridPosition;
+            //var rootRotation = groupTransform.blockGroupGridRotation;
+
+            clipboardManager.SetGhostSerialized(blueprintID, false);
+            SelectionSerializationUtility.CopySelectionToClipboard(playerID, entitiesDB,
+                serializationData.blueprintData, entitySerialization, entityFactory, blockIDs,
+                (uint) blockIDs.Length, pos, rot, -1);
+            BuildGhostBlueprint(selected, pos, rot, playerID);
+            SerializeGhostBlueprint.Invoke(SerializeGhostBlueprintInstance, new object[] {playerID, blueprintID});
+
+        }
+
+        private void BuildGhostBlueprint(ICollection<Block> blocks, float3 pos, quaternion rot, uint playerID)
+        {
+            GhostChildUtility.ClearGhostChildren(playerID, entitiesDB, entityFunctions);
+            foreach (var block in blocks)
+            {
+                GhostChildUtility.BuildGhostChild(in playerID, block.Id, in pos, in rot, entitiesDB,
+                    BuildGhostBlueprintFactory, false);
+            }
+        }
+
+        public Block[] PlaceBlueprintBlocks(uint blueprintID, uint playerID, float3 pos, float3 rot)
+        { //RobocraftX.CR.MachineEditing.PlaceBlueprintUtility.PlaceBlocksFromSerialisedData
+            var serializationData = clipboardManager.GetSerializationData(blueprintID);
+            var blueprintData = serializationData.blueprintData;
+            blueprintData.dataPos = 0U;
+            uint selectionSize;
+            PositionEntityStruct selectionPosition;
+            RotationEntityStruct selectionRotation;
+            uint version;
+            BoxSelectSerializationUtilities.ReadClipboardHeader(blueprintData, out selectionSize, out selectionPosition, out selectionRotation, out version);
+            ((FasterList<EGID>) LocalBlockMap.GetValue(null)).Clear();
+            if (version <= 1U)
+            {
+                uint groupsCount;
+                BoxSelectSerializationUtilities.ReadBlockGroupData(blueprintData, out groupsCount);
+                for (int index = 0; (long) index < (long) groupsCount; ++index)
+                {
+                    int nextFilterId = BlockGroupUtility.NextFilterId;
+                    entitySerialization.DeserializeNewEntity(new EGID((uint) nextFilterId, BlockGroupExclusiveGroups.BlockGroupEntityGroup), blueprintData, 1);
+                }
+            }
+            int nextFilterId1 = BlockGroupUtility.NextFilterId;
+            entityFactory.BuildEntity<BlockGroupEntityDescriptor>(new EGID((uint) nextFilterId1,
+                    BlockGroupExclusiveGroups.BlockGroupEntityGroup)).Init(new BlockGroupTransformEntityComponent
+                {
+                    blockGroupGridPosition = selectionPosition.position,
+                    blockGroupGridRotation = selectionRotation.rotation
+                });
+            var frot = Quaternion.Euler(rot);
+            var grid = new GridRotationStruct {position = pos, rotation = frot};
+            var poss = new PositionEntityStruct {position = pos};
+            var rots = new RotationEntityStruct {rotation = frot};
+            for (int index = 0; (long) index < (long) selectionSize; ++index)
+                BuildBlock.Invoke(null,
+                    new object[]
+                    {
+                        playerID, grid, poss, rots, selectionPosition, selectionRotation, blueprintData,
+                        entitySerialization, nextFilterId1
+                    });
+            /*
+             uint playerId, in GridRotationStruct ghostParentGrid,
+             in PositionEntityStruct ghostParentPosition, in RotationEntityStruct ghostParentRotation,
+             in PositionEntityStruct selectionPosition, in RotationEntityStruct selectionRotation,
+              ISerializationData serializationData, EntitiesDB entitiesDb,
+              IEntitySerialization entitySerialization, int blockGroupId
+             */
+            if (globalBlockMap == null)
+                globalBlockMap = FullGameFields._deserialisedBlockMap;
+            var placedBlocks = (FasterList<EGID>) LocalBlockMap.GetValue(null);
+            globalBlockMap.Clear();
+            globalBlockMap.AddRange(placedBlocks);
+            BuildWires.Invoke(null,
+                new object[] {playerID, blueprintData, entitySerialization, entitiesDB, entityFactory});
+            var blocks = new Block[placedBlocks.count];
+            for (int i = 0; i < blocks.Length; i++)
+                blocks[i] = new Block(placedBlocks[i]);
+            return blocks;
+        }
+
+        public void GetBlueprintInfo(uint blueprintID, out float3 pos, out quaternion rot, out uint selectionSize)
+        {
+            var serializationData = clipboardManager.GetSerializationData(blueprintID);
+            var blueprintData = serializationData.blueprintData;
+            blueprintData.dataPos = 0U;
+            BoxSelectSerializationUtilities.ReadClipboardHeader(blueprintData, out selectionSize, out var posst,
+                out var rotst, out _);
+            blueprintData.dataPos = 0U; //Just to be sure, it gets reset when it's read anyway
+            pos = posst.position;
+            rot = rotst.rotation;
+        }
+
+        public void InitBlueprint(uint blueprintID)
+        {
+            clipboardManager.IncrementRefCount(blueprintID);
+        }
+
+        public void DisposeBlueprint(uint blueprintID)
+        {
+            clipboardManager.DecrementRefCount(blueprintID);
+        }
+
+        public string Name { get; } = "GamecraftModdingAPIBlueprintGameEngine";
+        public bool isRemovable { get; } = false;
+
+        [HarmonyPatch]
+        private static class RemoveEnginePatch
+        {
+            public static void Prefix(IEntityFunctions entityFunctions,
+                MachineGraphConnectionEntityFactory machineGraphConnectionEntityFactory)
+            {
+                nativeRemove = entityFunctions.ToNativeRemove<BlockEntityDescriptor>("GCAPI" + nameof(BlueprintEngine));
+                connectionFactory = machineGraphConnectionEntityFactory;
+                BlueprintEngine.entityFunctions = entityFunctions;
+            }
+
+            public static MethodBase TargetMethod()
+            {
+                return AccessTools.GetDeclaredConstructors(AccessTools.TypeByName("RobocraftX.CR.MachineEditing.RemoveBlockEngine"))[0];
+            }
+        }
+
+        [HarmonyPatch]
+        private static class SelectEnginePatch
+        {
+            public static void Prefix(ClipboardSerializationDataResourceManager clipboardSerializationDataResourceManager,
+                IEntitySerialization entitySerialization,
+                IEntityFactory entityFactory)
+            {
+                clipboardManager = clipboardSerializationDataResourceManager;
+                BlueprintEngine.entitySerialization = entitySerialization;
+                BlueprintEngine.entityFactory = entityFactory;
+            }
+
+            public static MethodBase TargetMethod()
+            {
+                return AccessTools.GetDeclaredConstructors(AccessTools.TypeByName("RobocraftX.CR.MachineEditing.SelectBlockEngine"))[0];
+            }
+        }
+
+        [HarmonyPatch]
+        private static class SerializeGhostBlueprintPatch
+        {
+            public static void Postfix(object __instance)
+            {
+                SerializeGhostBlueprintInstance = __instance;
+            }
+
+            public static MethodBase TargetMethod()
+            {
+                return AccessTools.GetDeclaredConstructors(SerializeGhostBlueprintType)[0];
+            }
+        }
+
+        [HarmonyPatch]
+        private static class BuildGhostBlueprintPatch
+        {
+            public static void Postfix(GhostChildEntityFactory ghostChildEntityFactory)
+            {
+                BuildGhostBlueprintFactory = ghostChildEntityFactory;
+            }
+
+            public static MethodBase TargetMethod()
+            {
+                return AccessTools.GetDeclaredConstructors(AccessTools.TypeByName("RobocraftX.CR.MachineEditing.BuildGhostChildForMultiblockPickEngine"))[0];
+            }
+        }
+
+        public IEntityFactory Factory { get; set; }
+    }
+}

GamecraftModdingAPI/Blocks/ConsoleBlock.cs

@@ -16,7 +16,7 @@ namespace GamecraftModdingAPI.Blocks
         {
         }
 
-	    public ConsoleBlock(uint id): base(new EGID(id, CommonExclusiveGroups.BUILD_CONSOLE_BLOCK_GROUP))
+	    public ConsoleBlock(uint id): base(new EGID(id, CommonExclusiveGroups.CONSOLE_BLOCK_GROUP))
         {
         }
 

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

@@ -9,7 +9,7 @@ namespace GamecraftModdingAPI.Blocks
         {
         }
 
-        public LogicGate(uint id) : base(new EGID(id, CommonExclusiveGroups.BUILD_LOGIC_BLOCK_GROUP))
+        public LogicGate(uint id) : base(new EGID(id, CommonExclusiveGroups.LOGIC_BLOCK_GROUP))
         {
         }
     }

GamecraftModdingAPI/Blocks/Motor.cs

@@ -15,7 +15,7 @@ namespace GamecraftModdingAPI.Blocks
         {
         }
 
-        public Motor(uint id): base(new EGID(id, CommonExclusiveGroups.BUILD_MOTOR_BLOCK_GROUP))
+        public Motor(uint id): base(new EGID(id, CommonExclusiveGroups.MOTOR_BLOCK_GROUP))
         {
         }
 

GamecraftModdingAPI/Blocks/MovementEngine.cs

@@ -41,9 +41,9 @@ namespace GamecraftModdingAPI.Blocks
             {
                 if (data.Group == null) return float3.zero;
                 var init = new EntityComponentInitializer(blockID, data.Group);
-                init.Init(new PositionEntityStruct {position = vector});
-                init.Init(new GridRotationStruct {position = vector});
-                init.Init(new LocalTransformEntityStruct {position = vector});
+                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);

GamecraftModdingAPI/Blocks/MusicBlock.cs

@@ -20,7 +20,7 @@ namespace GamecraftModdingAPI.Blocks
         {
         }
 
-        public MusicBlock(uint id) : base(new EGID(id, CommonExclusiveGroups.BUILD_MUSIC_BLOCK_GROUP))
+        public MusicBlock(uint id) : base(new EGID(id, CommonExclusiveGroups.MUSIC_BLOCK_GROUP))
         {
         }
 
@@ -97,7 +97,7 @@ namespace GamecraftModdingAPI.Blocks
         {
             get
             {
-                Assert.Log("Block exists: " + Exists);
+                //Assert.Log("Block exists: " + Exists);
                 return BlockEngine.GetBlockInfo(this,
                     (MusicBlockDataEntityStruct msdes) => (ChannelType) msdes.channelType);
             }

GamecraftModdingAPI/Blocks/ObjectIdentifier.cs

@@ -10,7 +10,7 @@ namespace GamecraftModdingAPI.Blocks
         {
         }
 
-        public ObjectIdentifier(uint id) : base(new EGID(id, CommonExclusiveGroups.BUILD_OBJID_BLOCK_GROUP))
+        public ObjectIdentifier(uint id) : base(new EGID(id, CommonExclusiveGroups.OBJID_BLOCK_GROUP))
         {
         }
 

GamecraftModdingAPI/Blocks/Piston.cs

@@ -15,7 +15,7 @@ namespace GamecraftModdingAPI.Blocks
         {
         }
 
-		public Piston(uint id) : base(new EGID(id, CommonExclusiveGroups.BUILD_PISTON_BLOCK_GROUP))
+		public Piston(uint id) : base(new EGID(id, CommonExclusiveGroups.PISTON_BLOCK_GROUP))
         {
         }
 

GamecraftModdingAPI/Blocks/PlacementEngine.cs

@@ -16,6 +16,7 @@ using UnityEngine;
 using GamecraftModdingAPI.Utility;
 using GamecraftModdingAPI.Engines;
 using GamecraftModdingAPI.Players;
+using RobocraftX.Rendering.GPUI;
 
 namespace GamecraftModdingAPI.Blocks
 {
@@ -52,15 +53,15 @@ namespace GamecraftModdingAPI.Blocks
         private EntityComponentInitializer BuildBlock(ushort block, byte color, float3 position, int uscale, float3 scale, float3 rot, uint playerId)
         {
             if (_blockEntityFactory == null)
-                throw new Exception("The factory is null.");
+                throw new BlockException("The factory is null.");
             if (uscale < 1)
-                throw new Exception("Scale needs to be at least 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.DBIDMAP.ContainsKey(dbid))
-                throw new Exception("Block with ID " + dbid + " not found!");
+            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);
@@ -70,9 +71,7 @@ namespace GamecraftModdingAPI.Blocks
             DBEntityStruct dbEntity = new DBEntityStruct {DBID = dbid};
             BlockPlacementScaleEntityStruct placementScale = new BlockPlacementScaleEntityStruct
             {
-                blockPlacementHeight = uscale, blockPlacementWidth = uscale, desiredScaleFactor = uscale,
-                snapGridScale = uscale,
-                unitSnapOffset = 0, isUsingUnitSize = true
+                blockPlacementHeight = uscale, blockPlacementWidth = uscale, desiredScaleFactor = uscale
             };
             EquippedColourStruct colour = new EquippedColourStruct {indexInPalette = color};
 
@@ -83,7 +82,7 @@ namespace GamecraftModdingAPI.Blocks
                 structInitializer.Init(new ColourParameterEntityStruct
                 {
                     indexInPalette = colour.indexInPalette,
-                    needsUpdate = true
+                    hasNetworkChange = true
                 });
             uint prefabId = PrefabsID.GetPrefabId(dbid, 0);
             structInitializer.Init(new GFXPrefabEntityStructGPUI(prefabId));
@@ -102,6 +101,13 @@ namespace GamecraftModdingAPI.Blocks
                 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);

GamecraftModdingAPI/Blocks/RemovalEngine.cs

@@ -20,8 +20,11 @@ namespace GamecraftModdingAPI.Blocks
             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, entitiesDB);
+                _connectionFactory.RemoveConnection(connections, i, connStructMapper);
             _entityFunctions.RemoveEntity<BlockEntityDescriptor>(target);
             return true;
         }

GamecraftModdingAPI/Blocks/RotationEngine.cs

@@ -41,9 +41,9 @@ namespace GamecraftModdingAPI.Blocks
             {
                 if (data.Group == null) return float3.zero;
                 var init = new EntityComponentInitializer(blockID, data.Group);
-                init.Init(new RotationEntityStruct {rotation = new Quaternion {eulerAngles = vector}});
-                init.Init(new GridRotationStruct {rotation = new Quaternion {eulerAngles = vector}});
-                init.Init(new LocalTransformEntityStruct {rotation = new Quaternion {eulerAngles = vector}});
+                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);

GamecraftModdingAPI/Blocks/ScalingEngine.cs

@@ -27,10 +27,12 @@ namespace GamecraftModdingAPI.Blocks
         public string Name { get; } = "GamecraftModdingAPIScalingEngine";
         public bool isRemovable { get; } = false;
         
-        private static EntityManager _entityManager; //Unity entity manager
+        private EntityManager _entityManager; //Unity entity manager
 
 		public void UpdateCollision(EGID egid)
 		{
+			if (_entityManager == default)
+				_entityManager = FullGameFields._physicsWorld.EntityManager;
 			//Assuming the block exists
 			var entity = entitiesDB.QueryEntity<UECSPhysicsEntityStruct>(egid).uecsEntity;
 			var pes = new UECSPhysicsEntityCreationStruct();
@@ -38,11 +40,6 @@ namespace GamecraftModdingAPI.Blocks
 			_entityManager.DestroyEntity(entity);
 		}
 
-		internal void Setup(EntityManager entityManager)
-		{
-			_entityManager = entityManager;
-		}
-
 		[HarmonyPatch]
         public class PhysicsEnginePatch
         {

GamecraftModdingAPI/Blocks/Servo.cs

@@ -15,7 +15,7 @@ namespace GamecraftModdingAPI.Blocks
         {
         }
 
-		public Servo(uint id) : base(new EGID(id, CommonExclusiveGroups.BUILD_SERVO_BLOCK_GROUP))
+		public Servo(uint id) : base(new EGID(id, CommonExclusiveGroups.SERVO_BLOCK_GROUP))
         {
         }
 

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

@@ -115,7 +115,8 @@ namespace GamecraftModdingAPI.Blocks
         public bool SetSignal(uint signalID, float signal, bool input = true)
         {
 	        var array = GetSignalStruct(signalID, out uint index, input);
-	        if (array.count > 0) array[index].valueAsFloat = signal;
+	        var arrayB = array.ToBuffer();
+	        if (array.count > 0) arrayB.buffer[index].valueAsFloat = signal;
             return false;
         }
 
@@ -128,9 +129,10 @@ namespace GamecraftModdingAPI.Blocks
         public float AddSignal(uint signalID, float signal, bool clamp = true, bool input = true)
         {
 	        var array = GetSignalStruct(signalID, out uint index, input);
+	        var arrayB = array.ToBuffer();
 	        if (array.count > 0)
 	        {
-		        ref var channelData = ref array[index];
+		        ref var channelData = ref arrayB.buffer[index];
 		        channelData.valueAsFloat += signal;
 		        if (clamp)
 		        {
@@ -159,7 +161,8 @@ namespace GamecraftModdingAPI.Blocks
         public float GetSignal(uint signalID, bool input = true)
         {
 	        var array = GetSignalStruct(signalID, out uint index, input);
-	        return array.count > 0 ? array[index].valueAsFloat : 0f;
+	        var arrayB = array.ToBuffer();
+	        return array.count > 0 ? arrayB.buffer[index].valueAsFloat : 0f;
         }
 
         public uint[] GetSignalIDs(EGID blockID, bool input = true)
@@ -244,13 +247,14 @@ namespace GamecraftModdingAPI.Blocks
 		{
 			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))
 				{
 					exists = true;
-					return ref wires[i];
+					return ref wiresB[i];
 				}
 			}
 			exists = false;
@@ -286,6 +290,7 @@ namespace GamecraftModdingAPI.Blocks
 			}
 			
 			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]);
@@ -294,11 +299,11 @@ namespace GamecraftModdingAPI.Blocks
 					PortEntityStruct startPES = entitiesDB.QueryEntity<PortEntityStruct>(startPorts[startIndex]);
 					for (int w = 0; w < wires.count; w++)
 					{
-						if ((wires[w].destinationPortUsage == endPES.usage && wires[w].destinationBlockEGID == endBlock)
-						    && (wires[w].sourcePortUsage == startPES.usage && wires[w].sourceBlockEGID == startBlock))
+						if ((wiresB[w].destinationPortUsage == endPES.usage && wiresB[w].destinationBlockEGID == endBlock)
+						    && (wiresB[w].sourcePortUsage == startPES.usage && wiresB[w].sourceBlockEGID == startBlock))
 						{
 							exists = true;
-							return ref wires[w];
+							return ref wiresB[w];
 						}
 					}
 				}
@@ -313,10 +318,11 @@ namespace GamecraftModdingAPI.Blocks
 		{
 			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 channels[port.firstChannelIndexCachedInSim];
+				return ref channelsB.buffer[port.firstChannelIndexCachedInSim];
 			}
 			exists = false;
 			ChannelDataStruct[] defRef = new ChannelDataStruct[1];
@@ -327,8 +333,15 @@ namespace GamecraftModdingAPI.Blocks
         {
 	        var res = new FasterList<EGID>();
             foreach (var (coll, _) in entitiesDB.QueryEntities<BlockPortsStruct>())
-            foreach (ref BlockPortsStruct s in coll)
-	            res.Add(s.ID);
+            {
+	            var collB = coll.ToBuffer();
+	            for (int i = 0; i < coll.count; i++)
+	            {
+		            ref BlockPortsStruct s = ref collB.buffer[i];
+		            res.Add(s.ID);
+	            }
+            }
+
             return res.ToArray();
         }
 
@@ -358,15 +371,16 @@ namespace GamecraftModdingAPI.Blocks
 	        return result;
         }
 
-        private T[] Search<T>(ExclusiveGroup group, Func<T, bool> isMatch) where T : struct, IEntityComponent
+        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(components[i]))
+		        if (isMatch(componentsB.buffer[i]))
 		        {
-			        results.Add(components[i]);
+			        results.Add(componentsB.buffer[i]);
 		        }
 	        }
 	        return results.ToArray();

GamecraftModdingAPI/Blocks/SpawnPoint.cs

@@ -17,7 +17,7 @@ namespace GamecraftModdingAPI.Blocks
         {
         }
 
-		public SpawnPoint(uint id) : base(new EGID(id, CommonExclusiveGroups.BUILD_SPAWNPOINT_BLOCK_GROUP))
+		public SpawnPoint(uint id) : base(new EGID(id, CommonExclusiveGroups.SPAWNPOINT_BLOCK_GROUP))
         {
         }
 

GamecraftModdingAPI/Blocks/TextBlock.cs

@@ -16,7 +16,7 @@ namespace GamecraftModdingAPI.Blocks
         {
         }
 
-		public TextBlock(uint id) : base(new EGID(id, CommonExclusiveGroups.BUILD_TEXT_BLOCK_GROUP))
+		public TextBlock(uint id) : base(new EGID(id, CommonExclusiveGroups.TEXT_BLOCK_GROUP))
         {
         }
 
@@ -31,6 +31,7 @@ namespace GamecraftModdingAPI.Blocks
 
 	        set
 	        {
+		        if (value == null) value = "";
 		        BlockEngine.SetBlockInfo(this, (ref TextBlockDataStruct tbds, string val) =>
 		        {
 			        tbds.textCurrent.Set(val);
@@ -50,6 +51,7 @@ namespace GamecraftModdingAPI.Blocks
 
 	        set
 	        {
+		        if (value == null) value = "";
 		        BlockEngine.SetBlockInfo(this, (ref TextBlockDataStruct tbds, string val) =>
 			        tbds.textBlockID.Set(val), value);
 		        BlockEngine.SetBlockInfo(this,

GamecraftModdingAPI/Blocks/Timer.cs

@@ -17,7 +17,7 @@ namespace GamecraftModdingAPI.Blocks
         {
         }
 
-        public Timer(uint id) : base(new EGID(id, CommonExclusiveGroups.BUILD_TIMER_BLOCK_GROUP))
+        public Timer(uint id) : base(new EGID(id, CommonExclusiveGroups.TIMER_BLOCK_GROUP))
         {
         }
 

GamecraftModdingAPI/Blueprint.cs

@@ -0,0 +1,102 @@
+using System;
+using Unity.Mathematics;
+using UnityEngine;
+
+namespace GamecraftModdingAPI
+{
+    /// <summary>
+    /// Represents a blueprint in the inventory. When placed it becomes a block group.
+    /// </summary>
+    public class Blueprint : IDisposable
+    {
+        public uint Id { get; }
+
+        internal Blueprint(uint id)
+        {
+            Id = id;
+            BlockGroup._engine.InitBlueprint(id);
+            Refresh();
+        }
+
+        /// <summary>
+        /// The center of the blueprint. Can only be set using the StoreBlocks() method.
+        /// </summary>
+        public float3 Position { get; private set; }
+
+        /// <summary>
+        /// The rotation of the blueprint. Can only be set using the StoreBlocks() method.
+        /// </summary>
+        public float3 Rotation { get; private set; }
+
+        /// <summary>
+        /// The amount of blocks in the blueprint. Gan only be set using the StoreBlocks() method.
+        /// </summary>
+        public uint BlockCount { get; private set; }
+
+        /// <summary>
+        /// Creates a new, empty blueprint. It will be deleted on disposal unless the game holds a reference to it.
+        /// </summary>
+        /// <returns>A blueprint that doesn't have any blocks</returns>
+        public static Blueprint Create()
+        {
+            return new Blueprint(BlockGroup._engine.CreateBlueprint());
+        }
+
+        /// <summary>
+        /// Set the blocks that the blueprint contains.
+        /// Use the BlockGroup overload for automatically calculated position and rotation.
+        /// </summary>
+        /// <param name="blocks">The array of blocks to use</param>
+        /// <param name="position">The anchor (center) position of the blueprint</param>
+        /// <param name="rotation">The base rotation of the blueprint</param>
+        public void StoreBlocks(Block[] blocks, float3 position, float3 rotation)
+        {
+            BlockGroup._engine.ReplaceBlueprint(Player.LocalPlayer.Id, Id, blocks, position,
+                quaternion.Euler(rotation));
+            Refresh();
+        }
+
+        /// <summary>
+        /// Store the blocks from the given group in the blueprint with correct position and rotation for the blueprint.
+        /// </summary>
+        /// <param name="group">The block group to store</param>
+        public void StoreBlocks(BlockGroup group)
+        {
+            BlockGroup._engine.ReplaceBlueprint(Player.LocalPlayer.Id, Id, group, group.Position,
+                Quaternion.Euler(group.Rotation));
+            Refresh();
+        }
+
+        /// <summary>
+        /// Places the blocks the blueprint contains at the specified position and rotation.
+        /// </summary>
+        /// <param name="position">The position of the blueprint</param>
+        /// <param name="rotation">The rotation of the blueprint</param>
+        /// <returns>An array of the placed blocks</returns>
+        public Block[] PlaceBlocks(float3 position, float3 rotation)
+        {
+            return BlockGroup._engine.PlaceBlueprintBlocks(Id, Player.LocalPlayer.Id, position, rotation);
+        }
+
+        /// <summary>
+        /// Updates the properties based on the blueprint data. Only necessary if the blueprint is changed from the game.
+        /// </summary>
+        public void Refresh()
+        {
+            BlockGroup._engine.GetBlueprintInfo(Id, out var pos, out var rot, out uint count);
+            Position = pos;
+            Rotation = ((Quaternion) rot).eulerAngles;
+            BlockCount = count;
+        }
+
+        public void Dispose()
+        {
+            BlockGroup._engine.DisposeBlueprint(Id);
+        }
+
+        public override string ToString()
+        {
+            return $"{nameof(Id)}: {Id}, {nameof(Position)}: {Position}, {nameof(Rotation)}: {Rotation}, {nameof(BlockCount)}: {BlockCount}";
+        }
+    }
+}

GamecraftModdingAPI/Cluster.cs

@@ -6,6 +6,7 @@ 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
     {
@@ -37,5 +38,37 @@ namespace GamecraftModdingAPI
             get => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(Id).healthMultiplier;
             set => Block.BlockEngine.GetBlockInfo<HealthEntityComponent>(Id).healthMultiplier = value;
         }
+
+        /// <summary>
+        /// Returns the simulation-time rigid bodies for the chunks in this cluster.
+        /// </summary>
+        /// <returns>An array of sim-bodies</returns>
+        public SimBody[] GetSimBodies()
+        {
+            return Block.BlockEngine.GetClusterBodies(Id.entityID);
+        }
+
+        public override string ToString()
+        {
+            return $"{nameof(Id)}: {Id}";
+        }
+
+        protected bool Equals(Cluster other)
+        {
+            return Id.Equals(other.Id);
+        }
+
+        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((Cluster) obj);
+        }
+
+        public override int GetHashCode()
+        {
+            return Id.GetHashCode();
+        }
     }
 }

GamecraftModdingAPI/Events/GameActivatedComposePatch.cs

@@ -31,8 +31,6 @@ namespace GamecraftModdingAPI.Events
 			GameEngineManager.RegisterEngines(enginesRoot);
 			// initialize AsyncUtils
 			AsyncUtils.Setup(enginesRoot);
-			// initialize Block
-			Block.Setup(physicsWorld);
 			// A new EnginesRoot is always created when ActivateGame is called
             // so all event emitters and handlers must be re-registered.
 			EventManager.RegisterEngines(enginesRoot);

GamecraftModdingAPI/GamecraftModdingAPI.csproj

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <TargetFramework>net472</TargetFramework>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
-    <Version>1.5.0</Version>
+    <Version>1.7.0</Version>
     <Authors>Exmods</Authors>
     <PackageLicenseExpression>GNU General Public Licence 3+</PackageLicenseExpression>
     <PackageProjectUrl>https://git.exmods.org/modtainers/GamecraftModdingAPI</PackageProjectUrl>
@@ -17,21 +17,18 @@
         <DefineConstants>DEBUG;TEST;TRACE</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Lib.Harmony" Version="2.0.0.10" />
+    <PackageReference Include="Lib.Harmony" Version="2.0.4" />
   </ItemGroup>
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
   
+
 <!--Start Dependencies-->
   <ItemGroup>
-    <Reference Include="IllusionInjector">
-      <HintPath>..\ref\Gamecraft_Data\Managed\IllusionInjector.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\IllusionInjector.dll</HintPath>
-    </Reference>
-    <Reference Include="IllusionPlugin">
-      <HintPath>..\ref\Gamecraft_Data\Managed\IllusionPlugin.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\IllusionPlugin.dll</HintPath>
+    <Reference Include="Accessibility">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Accessibility.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Accessibility.dll</HintPath>
     </Reference>
     <Reference Include="Analytics">
       <HintPath>..\ref\Gamecraft_Data\Managed\Analytics.dll</HintPath>
@@ -77,6 +74,10 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\DDNA.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\DDNA.dll</HintPath>
     </Reference>
+    <Reference Include="Facepunch.Steamworks.Win64">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Facepunch.Steamworks.Win64.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Facepunch.Steamworks.Win64.dll</HintPath>
+    </Reference>
     <Reference Include="FMOD">
       <HintPath>..\ref\Gamecraft_Data\Managed\FMOD.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\FMOD.dll</HintPath>
@@ -89,14 +90,14 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.AudioBlocks.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.AudioBlocks.dll</HintPath>
     </Reference>
-    <Reference Include="Gamecraft.BlockCompositionRoot">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.BlockCompositionRoot.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.BlockCompositionRoot.dll</HintPath>
-    </Reference>
     <Reference Include="Gamecraft.BlockEntityFactory">
       <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.BlockEntityFactory.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.BlockEntityFactory.dll</HintPath>
     </Reference>
+    <Reference Include="Gamecraft.BlockGroups">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.BlockGroups.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.BlockGroups.dll</HintPath>
+    </Reference>
     <Reference Include="Gamecraft.Blocks.ConsoleBlock">
       <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.Blocks.ConsoleBlock.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.Blocks.ConsoleBlock.dll</HintPath>
@@ -145,6 +146,10 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.CharacterVulnerabilityGui.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.CharacterVulnerabilityGui.dll</HintPath>
     </Reference>
+    <Reference Include="Gamecraft.ColourPalette">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.ColourPalette.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.ColourPalette.dll</HintPath>
+    </Reference>
     <Reference Include="Gamecraft.Damage">
       <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.Damage.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.Damage.dll</HintPath>
@@ -161,18 +166,74 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GraphicsSettings.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GraphicsSettings.dll</HintPath>
     </Reference>
+    <Reference Include="Gamecraft.GUI.BlueprintInventory">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.BlueprintInventory.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.BlueprintInventory.dll</HintPath>
+    </Reference>
+    <Reference Include="Gamecraft.GUI.BlueprintInventoryMock">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.BlueprintInventoryMock.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.BlueprintInventoryMock.dll</HintPath>
+    </Reference>
+    <Reference Include="Gamecraft.GUI.Blueprints">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.Blueprints.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.Blueprints.dll</HintPath>
+    </Reference>
+    <Reference Include="Gamecraft.GUI.BlueprintSets">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.BlueprintSets.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.BlueprintSets.dll</HintPath>
+    </Reference>
     <Reference Include="Gamecraft.GUI.ConsoleBlock">
       <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.ConsoleBlock.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.ConsoleBlock.dll</HintPath>
     </Reference>
+    <Reference Include="Gamecraft.GUI.GameOptionsScreen">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.GameOptionsScreen.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.GameOptionsScreen.dll</HintPath>
+    </Reference>
     <Reference Include="Gamecraft.GUI.GraphicsScreen">
       <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.GraphicsScreen.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.GraphicsScreen.dll</HintPath>
     </Reference>
+    <Reference Include="Gamecraft.GUI.Hotbar.Blocks">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.Hotbar.Blocks.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.Hotbar.Blocks.dll</HintPath>
+    </Reference>
+    <Reference Include="Gamecraft.GUI.Hotbar.Colours">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.Hotbar.Colours.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.Hotbar.Colours.dll</HintPath>
+    </Reference>
     <Reference Include="Gamecraft.GUI.HUDFeedbackBlocks">
       <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.HUDFeedbackBlocks.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.HUDFeedbackBlocks.dll</HintPath>
     </Reference>
+    <Reference Include="Gamecraft.GUI.ModeBar">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.ModeBar.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.ModeBar.dll</HintPath>
+    </Reference>
+    <Reference Include="Gamecraft.GUI.OptionsScreen">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.OptionsScreen.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.OptionsScreen.dll</HintPath>
+    </Reference>
+    <Reference Include="Gamecraft.GUI.TabsBar.Blocks">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.TabsBar.Blocks.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.TabsBar.Blocks.dll</HintPath>
+    </Reference>
+    <Reference Include="Gamecraft.GUI.TabsBar.Blueprints">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.TabsBar.Blueprints.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.TabsBar.Blueprints.dll</HintPath>
+    </Reference>
+    <Reference Include="Gamecraft.GUI.TabsBar.Colours">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.TabsBar.Colours.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.TabsBar.Colours.dll</HintPath>
+    </Reference>
+    <Reference Include="Gamecraft.GUI.TabsBar.Common">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.TabsBar.Common.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.TabsBar.Common.dll</HintPath>
+    </Reference>
+    <Reference Include="Gamecraft.GUI.TimeModeClock">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.TimeModeClock.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.TimeModeClock.dll</HintPath>
+    </Reference>
     <Reference Include="Gamecraft.GUI.Tweaks">
       <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.Tweaks.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.Tweaks.dll</HintPath>
@@ -189,6 +250,10 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.WorldSpaceGuis.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUI.WorldSpaceGuis.dll</HintPath>
     </Reference>
+    <Reference Include="Gamecraft.GUIs.Hotbar.BlueprintsHotbar">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.GUIs.Hotbar.BlueprintsHotbar.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.GUIs.Hotbar.BlueprintsHotbar.dll</HintPath>
+    </Reference>
     <Reference Include="Gamecraft.InventoryTimeRunning">
       <HintPath>..\ref\Gamecraft_Data\Managed\Gamecraft.InventoryTimeRunning.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Gamecraft.InventoryTimeRunning.dll</HintPath>
@@ -249,6 +314,10 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\GameState.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\GameState.dll</HintPath>
     </Reference>
+    <Reference Include="GhostShark.Outline">
+      <HintPath>..\ref\Gamecraft_Data\Managed\GhostShark.Outline.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\GhostShark.Outline.dll</HintPath>
+    </Reference>
     <Reference Include="GPUInstancer">
       <HintPath>..\ref\Gamecraft_Data\Managed\GPUInstancer.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\GPUInstancer.dll</HintPath>
@@ -261,10 +330,26 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\Havok.Physics.Hybrid.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Havok.Physics.Hybrid.dll</HintPath>
     </Reference>
+    <Reference Include="IllusionInjector">
+      <HintPath>..\ref\Gamecraft_Data\Managed\IllusionInjector.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\IllusionInjector.dll</HintPath>
+    </Reference>
+    <Reference Include="IllusionPlugin">
+      <HintPath>..\ref\Gamecraft_Data\Managed\IllusionPlugin.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\IllusionPlugin.dll</HintPath>
+    </Reference>
+    <Reference Include="JWT">
+      <HintPath>..\ref\Gamecraft_Data\Managed\JWT.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\JWT.dll</HintPath>
+    </Reference>
     <Reference Include="LZ4">
       <HintPath>..\ref\Gamecraft_Data\Managed\LZ4.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\LZ4.dll</HintPath>
     </Reference>
+    <Reference Include="mscorlib">
+      <HintPath>..\ref\Gamecraft_Data\Managed\mscorlib.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\mscorlib.dll</HintPath>
+    </Reference>
     <Reference Include="MultiplayerNetworking">
       <HintPath>..\ref\Gamecraft_Data\Managed\MultiplayerNetworking.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\MultiplayerNetworking.dll</HintPath>
@@ -273,10 +358,30 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\MultiplayerTest.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\MultiplayerTest.dll</HintPath>
     </Reference>
+    <Reference Include="netstandard">
+      <HintPath>..\ref\Gamecraft_Data\Managed\netstandard.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\netstandard.dll</HintPath>
+    </Reference>
+    <Reference Include="Newtonsoft.Json">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Newtonsoft.Json.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Newtonsoft.Json.dll</HintPath>
+    </Reference>
+    <Reference Include="Novell.Directory.Ldap">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Novell.Directory.Ldap.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Novell.Directory.Ldap.dll</HintPath>
+    </Reference>
     <Reference Include="RCX.ScreenshotTaker">
       <HintPath>..\ref\Gamecraft_Data\Managed\RCX.ScreenshotTaker.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\RCX.ScreenshotTaker.dll</HintPath>
     </Reference>
+    <Reference Include="Rewired_Core">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Rewired_Core.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Rewired_Core.dll</HintPath>
+    </Reference>
+    <Reference Include="Rewired_Windows">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Rewired_Windows.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Rewired_Windows.dll</HintPath>
+    </Reference>
     <Reference Include="RobocraftECS">
       <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftECS.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftECS.dll</HintPath>
@@ -341,6 +446,22 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.dll</HintPath>
     </Reference>
+    <Reference Include="RobocraftX.GUI.Hotbar">
+      <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.Hotbar.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.Hotbar.dll</HintPath>
+    </Reference>
+    <Reference Include="RobocraftX.GUI.Inventory.BlocksInventory">
+      <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.Inventory.BlocksInventory.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.Inventory.BlocksInventory.dll</HintPath>
+    </Reference>
+    <Reference Include="RobocraftX.GUI.Inventory.ColourInventory">
+      <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.Inventory.ColourInventory.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.Inventory.ColourInventory.dll</HintPath>
+    </Reference>
+    <Reference Include="RobocraftX.GUI.Inventory">
+      <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.Inventory.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.Inventory.dll</HintPath>
+    </Reference>
     <Reference Include="RobocraftX.GUI.RemoveBlock">
       <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.RemoveBlock.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.RemoveBlock.dll</HintPath>
@@ -349,6 +470,10 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.ScaleGhost.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.ScaleGhost.dll</HintPath>
     </Reference>
+    <Reference Include="RobocraftX.GUI.TabsBar">
+      <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.TabsBar.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX.GUI.TabsBar.dll</HintPath>
+    </Reference>
     <Reference Include="RobocraftX.GUIs.WorkshopPrefabs">
       <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX.GUIs.WorkshopPrefabs.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX.GUIs.WorkshopPrefabs.dll</HintPath>
@@ -377,6 +502,10 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX.Multiplayer.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX.Multiplayer.dll</HintPath>
     </Reference>
+    <Reference Include="RobocraftX.Multiplayer.GUI">
+      <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX.Multiplayer.GUI.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX.Multiplayer.GUI.dll</HintPath>
+    </Reference>
     <Reference Include="RobocraftX.Multiplayer.NetworkEntityStream">
       <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX.Multiplayer.NetworkEntityStream.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX.Multiplayer.NetworkEntityStream.dll</HintPath>
@@ -449,9 +578,9 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\RobocraftX_TextBlock.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocraftX_TextBlock.dll</HintPath>
     </Reference>
-    <Reference Include="RobocratX.SimulationCompositionRoot">
-      <HintPath>..\ref\Gamecraft_Data\Managed\RobocratX.SimulationCompositionRoot.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocratX.SimulationCompositionRoot.dll</HintPath>
+    <Reference Include="RobocratX.SimulationMockCompositionRoot">
+      <HintPath>..\ref\Gamecraft_Data\Managed\RobocratX.SimulationMockCompositionRoot.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\RobocratX.SimulationMockCompositionRoot.dll</HintPath>
     </Reference>
     <Reference Include="SpawningPointCompositionRoot">
       <HintPath>..\ref\Gamecraft_Data\Managed\SpawningPointCompositionRoot.dll</HintPath>
@@ -465,9 +594,9 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\StringFormatter.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\StringFormatter.dll</HintPath>
     </Reference>
-    <Reference Include="Svelto.Common_3">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Svelto.Common_3.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Svelto.Common_3.dll</HintPath>
+    <Reference Include="Svelto.Common">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Svelto.Common.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Svelto.Common.dll</HintPath>
     </Reference>
     <Reference Include="Svelto.ECS">
       <HintPath>..\ref\Gamecraft_Data\Managed\Svelto.ECS.dll</HintPath>
@@ -489,34 +618,6 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Addressables.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Addressables.dll</HintPath>
     </Reference>
-    <Reference Include="Unity.Animation.Curves">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Animation.Curves.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Animation.Curves.dll</HintPath>
-    </Reference>
-    <Reference Include="Unity.Animation.Curves.Hybrid">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Animation.Curves.Hybrid.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Animation.Curves.Hybrid.dll</HintPath>
-    </Reference>
-    <Reference Include="Unity.Animation.DefaultGraphPipeline">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Animation.DefaultGraphPipeline.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Animation.DefaultGraphPipeline.dll</HintPath>
-    </Reference>
-    <Reference Include="Unity.Animation.DefaultGraphPipeline.Hybrid">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Animation.DefaultGraphPipeline.Hybrid.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Animation.DefaultGraphPipeline.Hybrid.dll</HintPath>
-    </Reference>
-    <Reference Include="Unity.Animation">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Animation.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Animation.dll</HintPath>
-    </Reference>
-    <Reference Include="Unity.Animation.Graph">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Animation.Graph.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Animation.Graph.dll</HintPath>
-    </Reference>
-    <Reference Include="Unity.Animation.Hybrid">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Animation.Hybrid.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Animation.Hybrid.dll</HintPath>
-    </Reference>
     <Reference Include="Unity.Build.SlimPlayerRuntime">
       <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Build.SlimPlayerRuntime.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Build.SlimPlayerRuntime.dll</HintPath>
@@ -525,13 +626,17 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Burst.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Burst.dll</HintPath>
     </Reference>
+    <Reference Include="Unity.Burst.Unsafe">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Burst.Unsafe.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Burst.Unsafe.dll</HintPath>
+    </Reference>
     <Reference Include="Unity.Collections">
       <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Collections.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Collections.dll</HintPath>
     </Reference>
-    <Reference Include="Unity.DataFlowGraph">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.DataFlowGraph.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.DataFlowGraph.dll</HintPath>
+    <Reference Include="Unity.Collections.LowLevel.ILSupport">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Collections.LowLevel.ILSupport.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Collections.LowLevel.ILSupport.dll</HintPath>
     </Reference>
     <Reference Include="Unity.Deformations">
       <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Deformations.dll</HintPath>
@@ -545,6 +650,10 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Entities.Hybrid.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Entities.Hybrid.dll</HintPath>
     </Reference>
+    <Reference Include="Unity.InternalAPIEngineBridge.012">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.InternalAPIEngineBridge.012.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.InternalAPIEngineBridge.012.dll</HintPath>
+    </Reference>
     <Reference Include="Unity.Jobs">
       <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Jobs.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Jobs.dll</HintPath>
@@ -577,10 +686,6 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Platforms.Common.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Platforms.Common.dll</HintPath>
     </Reference>
-    <Reference Include="Unity.Postprocessing.Runtime">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Postprocessing.Runtime.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Postprocessing.Runtime.dll</HintPath>
-    </Reference>
     <Reference Include="Unity.Properties">
       <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Properties.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Properties.dll</HintPath>
@@ -621,9 +726,9 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\Unity.ResourceManager.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.ResourceManager.dll</HintPath>
     </Reference>
-    <Reference Include="Unity.Scenes.Hybrid">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Scenes.Hybrid.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Scenes.Hybrid.dll</HintPath>
+    <Reference Include="Unity.Scenes">
+      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Scenes.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Scenes.dll</HintPath>
     </Reference>
     <Reference Include="Unity.ScriptableBuildPipeline">
       <HintPath>..\ref\Gamecraft_Data\Managed\Unity.ScriptableBuildPipeline.dll</HintPath>
@@ -653,58 +758,6 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\Unity.VisualEffectGraph.Runtime.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.VisualEffectGraph.Runtime.dll</HintPath>
     </Reference>
-    <Reference Include="UnityEngine.UI">
-      <HintPath>..\ref\Gamecraft_Data\Managed\UnityEngine.UI.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\UnityEngine.UI.dll</HintPath>
-    </Reference>
-    <Reference Include="uREPL">
-      <HintPath>..\ref\Gamecraft_Data\Managed\uREPL.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\uREPL.dll</HintPath>
-    </Reference>
-    <Reference Include="VisualProfiler">
-      <HintPath>..\ref\Gamecraft_Data\Managed\VisualProfiler.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\VisualProfiler.dll</HintPath>
-    </Reference>
-    <Reference Include="Accessibility">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Accessibility.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Accessibility.dll</HintPath>
-    </Reference>
-    <Reference Include="Facepunch.Steamworks.Win64">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Facepunch.Steamworks.Win64.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Facepunch.Steamworks.Win64.dll</HintPath>
-    </Reference>
-    <Reference Include="JWT">
-      <HintPath>..\ref\Gamecraft_Data\Managed\JWT.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\JWT.dll</HintPath>
-    </Reference>
-    <Reference Include="mscorlib">
-      <HintPath>..\ref\Gamecraft_Data\Managed\mscorlib.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\mscorlib.dll</HintPath>
-    </Reference>
-    <Reference Include="netstandard">
-      <HintPath>..\ref\Gamecraft_Data\Managed\netstandard.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\netstandard.dll</HintPath>
-    </Reference>
-    <Reference Include="Newtonsoft.Json">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Newtonsoft.Json.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Newtonsoft.Json.dll</HintPath>
-    </Reference>
-    <Reference Include="Novell.Directory.Ldap">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Novell.Directory.Ldap.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Novell.Directory.Ldap.dll</HintPath>
-    </Reference>
-    <Reference Include="Rewired_Core">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Rewired_Core.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Rewired_Core.dll</HintPath>
-    </Reference>
-    <Reference Include="Rewired_Windows">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Rewired_Windows.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Rewired_Windows.dll</HintPath>
-    </Reference>
-    <Reference Include="Unity.Burst.Unsafe">
-      <HintPath>..\ref\Gamecraft_Data\Managed\Unity.Burst.Unsafe.dll</HintPath>
-      <HintPath>..\..\ref\Gamecraft_Data\Managed\Unity.Burst.Unsafe.dll</HintPath>
-    </Reference>
     <Reference Include="UnityEngine.AccessibilityModule">
       <HintPath>..\ref\Gamecraft_Data\Managed\UnityEngine.AccessibilityModule.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\UnityEngine.AccessibilityModule.dll</HintPath>
@@ -873,10 +926,18 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\UnityEngine.TLSModule.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\UnityEngine.TLSModule.dll</HintPath>
     </Reference>
+    <Reference Include="UnityEngine.UI">
+      <HintPath>..\ref\Gamecraft_Data\Managed\UnityEngine.UI.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\UnityEngine.UI.dll</HintPath>
+    </Reference>
     <Reference Include="UnityEngine.UIElementsModule">
       <HintPath>..\ref\Gamecraft_Data\Managed\UnityEngine.UIElementsModule.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\UnityEngine.UIElementsModule.dll</HintPath>
     </Reference>
+    <Reference Include="UnityEngine.UIElementsNativeModule">
+      <HintPath>..\ref\Gamecraft_Data\Managed\UnityEngine.UIElementsNativeModule.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\UnityEngine.UIElementsNativeModule.dll</HintPath>
+    </Reference>
     <Reference Include="UnityEngine.UIModule">
       <HintPath>..\ref\Gamecraft_Data\Managed\UnityEngine.UIModule.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\UnityEngine.UIModule.dll</HintPath>
@@ -933,6 +994,10 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\UnityEngine.VideoModule.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\UnityEngine.VideoModule.dll</HintPath>
     </Reference>
+    <Reference Include="UnityEngine.VirtualTexturingModule">
+      <HintPath>..\ref\Gamecraft_Data\Managed\UnityEngine.VirtualTexturingModule.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\UnityEngine.VirtualTexturingModule.dll</HintPath>
+    </Reference>
     <Reference Include="UnityEngine.VRModule">
       <HintPath>..\ref\Gamecraft_Data\Managed\UnityEngine.VRModule.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\UnityEngine.VRModule.dll</HintPath>
@@ -945,6 +1010,14 @@
       <HintPath>..\ref\Gamecraft_Data\Managed\UnityEngine.XRModule.dll</HintPath>
       <HintPath>..\..\ref\Gamecraft_Data\Managed\UnityEngine.XRModule.dll</HintPath>
     </Reference>
+    <Reference Include="uREPL">
+      <HintPath>..\ref\Gamecraft_Data\Managed\uREPL.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\uREPL.dll</HintPath>
+    </Reference>
+    <Reference Include="VisualProfiler">
+      <HintPath>..\ref\Gamecraft_Data\Managed\VisualProfiler.dll</HintPath>
+      <HintPath>..\..\ref\Gamecraft_Data\Managed\VisualProfiler.dll</HintPath>
+    </Reference>
   </ItemGroup>
 <!--End Dependencies-->
 </Project>

GamecraftModdingAPI/Input/FakeInput.cs

@@ -76,7 +76,7 @@ namespace GamecraftModdingAPI.Input
 				case 9: currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.Hotbar_9; break;
 				default: break;
 			}
-			if (commandLine) currentInput.guiMask |= RobocraftX.Common.Input.GuiInput.ToggleCommandLine;
+			//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;
@@ -125,7 +125,7 @@ namespace GamecraftModdingAPI.Input
 			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 (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;

GamecraftModdingAPI/Inventory/HotbarEngine.cs

@@ -36,13 +36,13 @@ namespace GamecraftModdingAPI.Inventory
 
 		public bool SelectBlock(int block, uint playerID, bool cubeSelectedByPick = false)
 		{
-			var inputs = entitiesDB.QueryEntities<LocalInputEntityStruct>(InputExclusiveGroups.LocalPlayers);
+			var inputs = entitiesDB.QueryEntities<LocalInputEntityStruct>(InputExclusiveGroups.LocalPlayers).ToBuffer();
 			if (inputs.count == 0) return false;
 			for (int i = 0; i < inputs.count; i++)
 			{
-				if (inputs[i].ID.entityID == playerID) {
-					inputs[i].cubeSelectedByPick = cubeSelectedByPick;
-					inputs[i].selectedCube = block;
+				if (inputs.buffer[i].ID.entityID == playerID) {
+					inputs.buffer[i].cubeSelectedByPick = cubeSelectedByPick;
+					inputs.buffer[i].selectedCube = block;
 					return true;
 				}
 			}

GamecraftModdingAPI/Inventory/HotbarSlotSelectionHandlerEnginePatch.cs

@@ -1,8 +1,6 @@
 using System;
 using System.Reflection;
 
-using RobocraftX.GUI;
-using RobocraftX.GUI.Hotbar;
 using Svelto.ECS;
 
 using HarmonyLib;
@@ -17,7 +15,7 @@ namespace GamecraftModdingAPI.Inventory
 
 		public static BlockIDs EquippedPartID { get => (BlockIDs)selectedBlockInt; }
 
-		private static MethodInfo PatchedMethod { get; } = AccessTools.Method(AccessTools.TypeByName("RobocraftX.GUI.Hotbar.HotbarSlotSelectionHandlerEngine"), "ActivateSlotForCube", parameters: new Type[] { typeof(uint), typeof(int), typeof(ExclusiveGroupStruct) });
+		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, ExclusiveGroupStruct groupID)
 		{

GamecraftModdingAPI/Main.cs

@@ -1,17 +1,15 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using System.Reflection;
 using GamecraftModdingAPI.Blocks;
 using HarmonyLib;
 
+using RobocraftX;
+using RobocraftX.Services;
+using Svelto.Context;
+
 using GamecraftModdingAPI.Utility;
 using GamecraftModdingAPI.Events;
-using GamecraftModdingAPI.Players;
 using GamecraftModdingAPI.Tasks;
-using uREPL;
 
 namespace GamecraftModdingAPI
 {
@@ -46,7 +44,20 @@ namespace GamecraftModdingAPI
             Logging.MetaDebugLog($"Patching Gamecraft");
             var currentAssembly = Assembly.GetExecutingAssembly();
             harmony = new Harmony(currentAssembly.GetName().Name);
-            harmony.PatchAll(currentAssembly);
+            try
+            {
+                harmony.PatchAll(currentAssembly);
+            }
+            catch (Exception e)
+            { //Can't use ErrorBuilder or Logging.LogException (which eventually uses ErrorBuilder) yet
+                Logging.Log(e.ToString());
+                Logging.LogWarning("Failed to patch Gamecraft. Attempting to patch to display error...");
+                harmony.Patch(AccessTools.Method(typeof(FullGameCompositionRoot), "OnContextInitialized")
+                        .MakeGenericMethod(typeof(UnityContext<FullGameCompositionRoot>)),
+                    new HarmonyMethod(((Action) OnPatchError).Method)); //Can't use lambdas here :(
+                return;
+            }
+
             // init utility
             Logging.MetaDebugLog($"Initializing Utility");
 #pragma warning disable 0612,0618
@@ -72,6 +83,7 @@ namespace GamecraftModdingAPI
 			// init object-oriented classes
 			Player.Init();
             Block.Init();
+            BlockGroup.Init();
             Wire.Init();
             GameClient.Init();
             AsyncUtils.Init();
@@ -102,5 +114,11 @@ namespace GamecraftModdingAPI
                 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/Player.cs

@@ -1,5 +1,4 @@
 using System;
-
 using Unity.Mathematics;
 using RobocraftX.Common;
 using RobocraftX.Common.Players;
@@ -17,6 +16,7 @@ namespace GamecraftModdingAPI
     {
         // static functionality
 		private static PlayerEngine playerEngine = new PlayerEngine();
+		private static Player localPlayer;
 
         /// <summary>
 		/// Checks if the specified player exists.
@@ -54,6 +54,19 @@ namespace GamecraftModdingAPI
 			return (uint) playerEngine.GetAllPlayerCount();
 		}
 
+        /// <summary>
+        /// Returns the current player belonging to this client.
+        /// </summary>
+        public static Player LocalPlayer
+        {
+	        get
+	        {
+		        if (localPlayer == null || localPlayer.Id != playerEngine.GetLocalPlayer())
+			        localPlayer = new Player(PlayerType.Local);
+		        return localPlayer;
+	        }
+        }
+
         /// <summary>
         /// Initializes a new instance of the <see cref="T:GamecraftModdingAPI.Player"/> class.
         /// </summary>
@@ -329,7 +342,24 @@ namespace GamecraftModdingAPI
             }
         }
 
-        // object methods
+		/// <summary>
+		/// The player's selected blueprint in their hand. Set to null to clear. Dispose after usage.
+		/// </summary>
+		public Blueprint SelectedBlueprint
+		{
+			get => playerEngine.GetPlayerStruct(Id, out LocalBlueprintInputStruct lbis)
+				? new Blueprint(lbis.selectedBlueprintId)
+				: null;
+			set => BlockGroup._engine.SelectBlueprint(value?.Id ?? uint.MaxValue);
+		}
+
+		/// <summary>
+		/// The player's mode in time stopped mode, determining what they place.
+		/// </summary>
+		public PlayerBuildingMode BuildingMode => (PlayerBuildingMode) playerEngine
+			.GetCharacterStruct<PlayerInputTimeStoppedContextStruct>(Id, out _).timeStoppedContext;
+
+		// object methods
 
         /// <summary>
         /// Teleport the player to the specified coordinates.

GamecraftModdingAPI/Players/PlayerBuildingMode.cs

@@ -0,0 +1,10 @@
+namespace GamecraftModdingAPI.Players
+{
+    public enum PlayerBuildingMode
+    {
+        BlockMode,
+        ColourMode,
+        ConfigMode,
+        BlueprintMode
+    }
+}

GamecraftModdingAPI/Players/PlayerEngine.cs

@@ -50,10 +50,10 @@ namespace GamecraftModdingAPI.Players
         public uint GetLocalPlayer()
 		{
 			if (!isReady) return uint.MaxValue;
-			var localPlayers = entitiesDB.QueryEntities<PlayerIDStruct>(PlayersExclusiveGroups.LocalPlayers);
+			var localPlayers = entitiesDB.QueryEntities<PlayerIDStruct>(PlayersExclusiveGroups.LocalPlayers).ToBuffer();
 			if (localPlayers.count > 0)
 			{
-				return localPlayers[0].ID.entityID;
+				return localPlayers.buffer[0].ID.entityID;
 			}
 			return uint.MaxValue;
 		}
@@ -61,10 +61,10 @@ namespace GamecraftModdingAPI.Players
         public uint GetRemotePlayer()
 		{
 			if (!isReady) return uint.MaxValue;
-			var localPlayers = entitiesDB.QueryEntities<PlayerIDStruct>(PlayersExclusiveGroups.RemotePlayers);
+			var localPlayers = entitiesDB.QueryEntities<PlayerIDStruct>(PlayersExclusiveGroups.RemotePlayers).ToBuffer();
             if (localPlayers.count > 0)
             {
-                return localPlayers[0].ID.entityID;
+                return localPlayers.buffer[0].ID.entityID;
             }
 			return uint.MaxValue;
 		}

GamecraftModdingAPI/SimBody.cs

@@ -17,12 +17,13 @@ namespace GamecraftModdingAPI
         public EGID Id { get; }
 
         /// <summary>
-        /// The cluster this chunk belongs to, or null if the chunk doesn't exist. Get the SimBody from a Block if possible for good performance here.
+        /// The cluster this chunk belongs to, or null if no cluster destruction manager present or the chunk doesn't exist.
+        /// Get the SimBody from a Block if possible for good performance here.
         /// </summary>
         public Cluster Cluster => cluster ?? (cluster = clusterId == uint.MaxValue ? Block.BlockEngine.GetCluster(Id.entityID) : new Cluster(clusterId));
 
         private Cluster cluster;
-        private uint clusterId;
+        private readonly uint clusterId = uint.MaxValue;
 
         public SimBody(EGID id)
         {
@@ -120,6 +121,15 @@ namespace GamecraftModdingAPI
             return Block.BlockEngine.GetConnectedSimBodies(Id.entityID);
         }
 
+        /// <summary>
+        /// The blocks that form this rigid body.
+        /// </summary>
+        /// <returns></returns>
+        public Block[] GetBlocks()
+        {
+            return Block.BlockEngine.GetBodyBlocks(Id.entityID);
+        }
+
         private ref RigidBodyEntityStruct GetStruct()
         {
             return ref Block.BlockEngine.GetBlockInfo<RigidBodyEntityStruct>(Id);

GamecraftModdingAPI/Tests/GamecraftModdingAPIPluginTest.cs

@@ -1,18 +1,22 @@
 using System;
+using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
 using System.Reflection;
+using System.Reflection.Emit;
 using System.Text;
 
 using HarmonyLib;
 using IllusionInjector;
 // test
+using GPUInstancer;
 using Svelto.ECS;
 using RobocraftX.Blocks;
 using RobocraftX.Common;
 using RobocraftX.SimulationModeState;
 using RobocraftX.FrontEnd;
 using Unity.Mathematics;
+using UnityEngine;
 using RobocraftX.Schedulers;
 using Svelto.Tasks.ExtraLean;
 using uREPL;
@@ -22,6 +26,7 @@ using GamecraftModdingAPI.Events;
 using GamecraftModdingAPI.Utility;
 using GamecraftModdingAPI.Blocks;
 using GamecraftModdingAPI.Players;
+using EventType = GamecraftModdingAPI.Events.EventType;
 
 namespace GamecraftModdingAPI.Tests
 {
@@ -176,11 +181,6 @@ namespace GamecraftModdingAPI.Tests
 						Logging.CommandLog("Finished in " + sw.ElapsedMilliseconds + "ms");
 					})
 					.Build();
-				//With Sync(): 1135ms
-				//Without Sync(): 134ms
-				//Async: 348 794ms, doesn't freeze game
-				//Without Sync() but wait for submission: 530ms
-				//With Sync() at the end: 380ms
 
 				Block b = null;
 				CommandBuilder.Builder("moveBlockInSim", "Run in build mode first while looking at a block, then in sim to move it up")
@@ -277,6 +277,20 @@ namespace GamecraftModdingAPI.Tests
 						Logging.CommandLog("Health set to: " + val);
 					}).Build();
 
+				CommandBuilder.Builder("placeBlockGroup", "Places some blocks in a group")
+					.Action((float x, float y, float z) =>
+					{
+						var pos = new float3(x, y, z);
+						var group = BlockGroup.Create(Block.PlaceNew(BlockIDs.AluminiumCube, pos,
+							color: BlockColors.Aqua));
+						Block.PlaceNew(BlockIDs.AluminiumCube, pos += new float3(1, 0, 0), color: BlockColors.Blue)
+							.BlockGroup = group;
+						Block.PlaceNew(BlockIDs.AluminiumCube, pos += new float3(1, 0, 0), color: BlockColors.Green)
+							.BlockGroup = group;
+						Block.PlaceNew(BlockIDs.AluminiumCube, pos += new float3(1, 0, 0), color: BlockColors.Lime)
+							.BlockGroup = group;
+					}).Build();
+
 				GameClient.SetDebugInfo("InstalledMods", InstalledMods);
 				Block.Placed += (sender, args) =>
 					Logging.MetaDebugLog("Placed block " + args.Type + " with ID " + args.ID);

GamecraftModdingAPI/Tests/TestRoot.cs

@@ -65,7 +65,7 @@ namespace GamecraftModdingAPI.Tests
 			_testsCountPassed = 0;
 			_testsCountFailed = 0;
 			// flow control
-			Game.Enter += (sender, args) => { GameTests().RunOn(RobocraftX.Schedulers.Lean.EveryFrameStepRunner_RUNS_IN_TIME_STOPPED_AND_RUNNING); };
+			Game.Enter += (sender, args) => { GameTests().RunOn(RobocraftX.Schedulers.Lean.EveryFrameStepRunner_TimeRunningAndStopped); };
 			Game.Exit += (s, a) => state = "ReturningFromGame";
 			Client.EnterMenu += (sender, args) => 
 			{

GamecraftModdingAPI/Utility/FullGameFields.cs

@@ -12,8 +12,9 @@ using RobocraftX.GUI;
 using RobocraftX.Multiplayer;
 using RobocraftX.Rendering;
 using Svelto.Context;
+using Svelto.DataStructures;
 using Svelto.ECS;
-using Svelto.ECS.Schedulers.Unity;
+using Svelto.ECS.Schedulers;
 using UnityEngine;
 using Unity.Entities;
 using Unity.Physics.Systems;
@@ -159,6 +160,14 @@ namespace GamecraftModdingAPI.Utility
 			}
 		}
 
+		public static FasterList<EGID> _deserialisedBlockMap
+		{
+			get
+			{
+				return (FasterList<EGID>) fgcr?.Field("_deserialisedBlockMap").GetValue();
+			}
+		}
+
 		private static Traverse fgcr;
 
 		public static void Init(FullGameCompositionRoot instance)

doxygen.conf

@@ -38,7 +38,7 @@ PROJECT_NAME           = "GamecraftModdingAPI"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = "v1.5.0"
+PROJECT_NUMBER         = "v1.7.0"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a