public boolean onBlockActivated(World world, int x, int y, int z, EntityPlayer player,
int side, float hitX, float hitY, float hitZ) {
if (!world.isRemote) {
TileEntityBackpack backpack = WorldUtils.get(world, x, y, z, TileEntityBackpack.class);
IInventory inventory = new InventoryTileEntity(backpack, player.getInventoryEnderChest());
Container container = new ContainerBetterStorage(player, inventory, 9, 3);
String name = "container." + Constants.modId + ".enderBackpack";
PlayerUtils.openGui(player, name, 9, 3, backpack.getCustomTitle(), container);
}
return true;
}