@SubscribeEvent
	public void onEventRightClickBlock(RightClickBlock event){
		if(event.getItemStack() != null && event.getWorld().getBlockState(event.getPos()).getBlock() != null){
			if(event.getWorld().getBlockState(event.getPos()).getBlock().equals(BetterBlocks.ALTAR)
					&& event.getItemStack().getItem().equals(Items.SUGAR ) && event.getEntityPlayer().inventory.hasItemStack(new ItemStack(BetterItems.TOME))){
				event.getEntityPlayer().inventory.clearMatchingItems(Items.SUGAR, 0, 1, null);
				event.getEntityPlayer().inventory.addItemStackToInventory(new ItemStack(BetterItems.SWIFT_ITEM));
			}
		}
	}