Prep for delete

src/main/java/net/brokenmoon/afloydwiremod/api/AbstractWireTile.java

@@ -54,4 +54,10 @@ public abstract class AbstractWireTile extends BlockContainer {
         //Singleplayer
         ((IEntityPlayer)player).displayGuiSettings(chip);
     }
+    @Override
+    public void onBlockRemoval(World world, int x, int y, int z) {
+        AbstractWireTileEntity tile = (AbstractWireTileEntity) world.getBlockTileEntity(x, y, z);
+        tile.prepForDelete();
+        super.onBlockRemoval(world, x, y, z);
+    }
 }

src/main/java/net/brokenmoon/afloydwiremod/api/AbstractWireTileEntity.java

@@ -102,4 +102,21 @@ public abstract class AbstractWireTileEntity extends TileEntity {
             }
         }
     }
+
+    public void prepForDelete() {
+        if(outputs != null) {
+            for (int i = 0; i < outputs.length; ++i) {
+                if (outputs[i].wire != null && outputs[i].wire.thisslot > -1) {
+                    WireConnection wire = outputs[i].wire;
+                    AbstractWireTileEntity otherChip = (AbstractWireTileEntity)this.worldObj.getBlockTileEntity(wire.x, wire.y, wire.z);
+                    if(otherChip != null && otherChip.inputs != null) {
+                        outputs[i].floatvalue = 0;
+                        outputs[i].stringvalue = "";
+                        this.updateIO();
+                        otherChip.update();
+                    }
+                }
+            }
+        }
+    }
 }