Can now have the mob they spawn change by placing the corresponding spawn egg

Minecraft.World/MobSpawnerTileEntity.cpp

@@ -99,4 +99,27 @@ shared_ptr<TileEntity> MobSpawnerTileEntity::clone()
 void MobSpawnerTileEntity::setEntityId(const wstring &id)
 {
 	spawner->setEntityId(id);
+
+	if (spawner != nullptr)
+	{
+		
+		spawner->spawnDelay = 20;
+	}
+	
+	if (level != nullptr) 
+	{
+		level->sendTileUpdated(x, y, z);
+	}
+
+}
+
+void MobSpawnerTileEntity::setEntityIdFromEgg(const wstring &id)
+{
+    
+    spawner->setEntityId(id);
+    
+    
+    if (level != nullptr) {
+        level->sendTileUpdated(x, y, z);
+    }
 }

Minecraft.World/MobSpawnerTileEntity.h

@@ -46,4 +46,5 @@ public:
 	// 4J Added
 	virtual shared_ptr<TileEntity> clone();
 	void setEntityId(const wstring &id);
+	void setEntityIdFromEgg(const wstring &id);
 };

Minecraft.World/SpawnEggItem.cpp

@@ -193,20 +193,29 @@ bool SpawnEggItem::useOn(shared_ptr<ItemInstance> itemInstance, shared_ptr<Playe
 
 	int tile = level->getTile(x, y, z);
 
-#ifndef _CONTENT_PACKAGE
-	if(app.DebugArtToolsOn() && tile == Tile::mobSpawner_Id)
+	if (tile == Tile::mobSpawner_Id)
 	{
-		// 4J Stu - Force adding this as a tile update
-		level->removeTile(x,y,z);
-		level->setTileAndData(x,y,z,Tile::mobSpawner_Id, 0, Tile::UPDATE_ALL);
-		shared_ptr<MobSpawnerTileEntity> mste = dynamic_pointer_cast<MobSpawnerTileEntity>( level->getTileEntity(x,y,z) );
-		if(mste != nullptr)
+		
+		shared_ptr<MobSpawnerTileEntity> spawnerTile = dynamic_pointer_cast<MobSpawnerTileEntity>(level->getTileEntity(x, y, z));
+		
+		if (spawnerTile != nullptr)
 		{
-			mste->setEntityId( EntityIO::getEncodeId(itemInstance->getAuxValue()) );
+			
+			int mobId = itemInstance->getAuxValue() & 0xFFF; 
+			spawnerTile->setEntityId(EntityIO::getEncodeId(mobId));
+			
+			
+			
+			
+			
+			if (!player->abilities.instabuild && !bTestUseOnOnly)
+			{
+				itemInstance->count--;
+			}
+			
 			return true;
 		}
 	}
-#endif
 
 	x += Facing::STEP_X[face];
 	y += Facing::STEP_Y[face];