public static PlayerInteractEvent callPlayerInteractEvent(EntityHuman who, Action action, ItemStack itemstack, EnumHand hand) {
        if (action != Action.LEFT_CLICK_AIR && action != Action.RIGHT_CLICK_AIR) {
            throw new AssertionError(String.format("%s performing %s with %s", who, action, itemstack));
        }
        return callPlayerInteractEvent(who, action, new BlockPosition(0, 256, 0), EnumDirection.SOUTH, itemstack, hand);
    }

    public static PlayerInteractEvent callPlayerInteractEvent(EntityHuman who, Action action, BlockPosition position, EnumDirection direction, ItemStack itemstack, boolean cancelledBlock, EnumHand hand) {
        Player player = (who == null) ? null : (Player) who.getBukkitEntity();
        CraftItemStack itemInHand = CraftItemStack.asCraftMirror(itemstack);

        CraftWorld craftWorld = (CraftWorld) player.getWorld();
        CraftServer craftServer = (CraftServer) player.getServer();

        Block blockClicked = craftWorld.getBlockAt(position.getX(), position.getY(), position.getZ());
        BlockFace blockFace = CraftBlock.notchToBlockFace(direction);

        if (position.getY() > 255) {
            blockClicked = null;
            switch (action) {
            case LEFT_CLICK_BLOCK:
                action = Action.LEFT_CLICK_AIR;
                break;
            case RIGHT_CLICK_BLOCK:
                action = Action.RIGHT_CLICK_AIR;
                break;
            }
        }

[...]
        CraftItemStack itemInHand = CraftItemStack.asCraftMirror(itemstack);
        // this fixes massive chunk-requests on interact events with 0,256,0 position
        Block blockClicked = null;
        CraftServer craftServer = (CraftServer) player.getServer();
        if (position.getY() < 256) {
        	CraftWorld craftWorld = (CraftWorld) player.getWorld();
        	blockClicked = craftWorld.getBlockAt(position.getX(), position.getY(), position.getZ());
        }
        BlockFace blockFace = CraftBlock.notchToBlockFace(direction);
        //kade edit end
		
        if (position.getY() > 255) {
[...]