public static int getZ(ItemStack stack) { return ItemNBTHelper.getInt(stack, "posz", 0); }
public static int getY(ItemStack stack) { return ItemNBTHelper.getInt(stack, "posy", -1); }
public static void setY(ItemStack stack, int y) { ItemNBTHelper.setInt(stack, "posy", y); }
public static void setZ(ItemStack stack, int z) { ItemNBTHelper.setInt(stack, "posz", z); }
public static void setX(ItemStack stack, int x) { ItemNBTHelper.setInt(stack, "posx", x); }