return null;
}
switch (id) {
case GuiIds.PIPE_DIAMOND:
return new GuiDiamondPipe(player.inventory, (PipeItemsDiamond) pipe.pipe);
case GuiIds.PIPE_EMERALD_ITEM:
return new GuiEmeraldPipe(player.inventory, (PipeItemsEmerald) pipe.pipe);
case GuiIds.PIPE_LOGEMERALD_ITEM: