Fix move/rotate during init, add blueprint properties

GamecraftModdingAPI/BlockGroup.cs

@@ -115,7 +115,7 @@ namespace GamecraftModdingAPI
         /// <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 should be added to groups.
+        /// 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>
@@ -155,7 +155,7 @@ namespace GamecraftModdingAPI
         IEnumerator IEnumerable.GetEnumerator() => blocks.GetEnumerator();
 
         /// <summary>
-        /// Adds a block to the group. You should only add newly placed blocks
+        /// 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>
@@ -170,7 +170,7 @@ namespace GamecraftModdingAPI
 
         /// <summary>
         /// Removes all blocks from this group.
-        /// You should not remove blocks that have been initialized, only those that you placed recently.
+        /// You cannot remove blocks that have been initialized, only those that you placed recently.
         /// </summary>
         public void Clear()
         {
@@ -183,7 +183,7 @@ namespace GamecraftModdingAPI
 
         /// <summary>
         /// Removes a block from this group.
-        /// You should not remove blocks that have been initialized, only those that you placed recently.
+        /// You cannot remove blocks that have been initialized, only those that you placed recently.
         /// </summary>
         /// <param name="item"></param>
         /// <returns></returns>

GamecraftModdingAPI/Blocks/BlueprintEngine.cs

@@ -209,6 +209,18 @@ namespace GamecraftModdingAPI.Blocks
             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);
@@ -280,7 +292,7 @@ namespace GamecraftModdingAPI.Blocks
                 }
 
                 public static MethodBase TargetMethod()
-                {
+                {RobocraftX.CR.MachineEditing.BuildGhostChildForMultiblockPickEngine
                     return AccessTools.GetDeclaredConstructors(AccessTools.TypeByName("RobocraftX.CR.MachineEditing.BuildGhostChildForMultiblockPickEngine"))[0];
                 }
         }

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/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/Blueprint.cs

@@ -15,15 +15,23 @@ namespace GamecraftModdingAPI
         {
             Id = id;
             BlockGroup._engine.InitBlueprint(id);
+            Refresh();
         }
-        
-        /*public static void SelectBlueprint(Blueprint blueprint)
-        {
-            BlueprintUtil.SelectBlueprint(null, new BlueprintInventoryItemEntityStruct
-            {
-                blueprintResourceId = blueprint.Id
-            });
-        }*/
+
+        /// <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.
@@ -39,12 +47,13 @@ namespace GamecraftModdingAPI
         /// 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 position of the blueprint</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>
@@ -55,6 +64,7 @@ namespace GamecraftModdingAPI
         {
             BlockGroup._engine.ReplaceBlueprint(Player.LocalPlayer.Id, Id, group, group.Position,
                 Quaternion.Euler(group.Rotation));
+            Refresh();
         }
 
         /// <summary>
@@ -68,6 +78,17 @@ namespace GamecraftModdingAPI
             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);
@@ -75,7 +96,7 @@ namespace GamecraftModdingAPI
 
         public override string ToString()
         {
-            return $"{nameof(Id)}: {Id}";
+            return $"{nameof(Id)}: {Id}, {nameof(Position)}: {Position}, {nameof(Rotation)}: {Rotation}, {nameof(BlockCount)}: {BlockCount}";
         }
     }
 }