1 files changed, 42 insertions, 0 deletions
diff --git a/src/main/java/gtPlusPlus/xmod/gregtech/common/helpers/MachineUpdateHandler.java b/src/main/java/gtPlusPlus/xmod/gregtech/common/helpers/MachineUpdateHandler.java
new file mode 100644
index 0000000000..0b52560e0d
--- /dev/null
+++ b/src/main/java/gtPlusPlus/xmod/gregtech/common/helpers/MachineUpdateHandler.java
@@ -0,0 +1,42 @@
+package gtPlusPlus.xmod.gregtech.common.helpers;
+
+import java.util.HashMap;
+
+import cpw.mods.fml.common.eventhandler.SubscribeEvent;
+import gregtech.api.GregTech_API;
+import net.minecraft.block.Block;
+import net.minecraftforge.event.world.BlockEvent;
+
+public class MachineUpdateHandler {
+
+	private static final HashMap<String, Block> mBlockCache = new HashMap<String, Block>();
+	
+	public static void registerBlockToCauseMachineUpdate(String aUnlocalName, Block aBlock) {
+		mBlockCache.put(aUnlocalName, aBlock);
+	}
+	
+    @SubscribeEvent
+    public void onBlockEvent(BlockEvent event) {
+    	Block aBlock = event.block;
+    	String aUnlocalName = aBlock != null ? aBlock.getUnlocalizedName() : "NULL";
+    	boolean aDoUpdate = false;
+    	if (aBlock != null && aUnlocalName != null && !aUnlocalName.equals("NULL")) {
+    		for (String aCachedName : mBlockCache.keySet()) {
+    			if (aCachedName.equals(aUnlocalName)) {
+					aDoUpdate = true;
+					break;    				
+    			}
+    			else {
+    				if (aBlock == mBlockCache.get(aCachedName)) {
+    					aDoUpdate = true;
+    					break;
+    				}
+    			}
+    		}
+    		if (aDoUpdate) {
+        		GregTech_API.causeMachineUpdate(event.world, event.x, event.y, event.z);    			
+    		}
+    	}
+    }
+	
+}