gistfile1.java

  	if (!par3World.isRemote) {
			int blockId = par3World.getBlockId(par4, par5, par6);
			if(blockId != RGBWool.WoolID){
				System.out.println("Clicked Non-Wool");
				par2EntityPlayer.openGui(RGBWool.instance, 0, par3World, par4, par5, par6);
				return true;
			} else {
	   			NBTTagCompound nbt = par1ItemStack.getTagCompound();

				if (nbt != null) {
		        	   TileEntity tEnt = par3World.getBlockTileEntity(par4, par5, par6);
		        	   if (tEnt instanceof TileEntityWool) {
		        		   TileEntityWool wool = (TileEntityWool) tEnt;
		        		   wool.Red = nbt.getInteger("Red");
		        		   wool.Green = nbt.getInteger("Green");
		        		   wool.Blue = nbt.getInteger("Blue");
		        		   par3World.markBlockForUpdate(par4, par5, par6);
		        	   }
		           }
				System.out.println("Clicked Wool");
			}
			return false;
		}
		return true;