Java Code Examples for net.minecraft.item.ItemStack#getSubCompound()

/**
 * Returns the Skyblock Item ID of a given Skyblock item
 *
 * @param item the Skyblock item to check
 * @return the Skyblock Item ID of this item or {@code null} if this isn't a valid Skyblock item
 */
public static String getSkyBlockItemID(final ItemStack item) {
    if (item == null) {
        throw new NullPointerException("Item cannot be null.");
    }
    else if (!item.hasTagCompound()) {
        return null;
    }

    NBTTagCompound skyBlockData = item.getSubCompound("ExtraAttributes", false);

    if (skyBlockData != null) {
        String itemId = skyBlockData.getString("id");

        if (!itemId.equals("")) {
            return itemId;
        }
    }

    return null;
}
 

/**
 * Returns the rarity of a given Skyblock item
 *
 * @param item the Skyblock item to check
 * @return the rarity of the item if a valid rarity is found, {@code INVALID} if no rarity is found, {@code null} if item is {@code null}
 */
public static Rarity getRarity(ItemStack item) {
    if (item == null || !item.hasTagCompound())  {
        return null;
    }

    NBTTagCompound display = item.getSubCompound("display", false);

    if (display == null || !display.hasKey("Lore")) {
        return null;
    }

    NBTTagList lore = display.getTagList("Lore", Constants.NBT.TAG_STRING);

    // Determine the item's rarity
    for (int i = 0; i < lore.tagCount(); i++) {
        String currentLine = lore.getStringTagAt(i);

        for (Rarity rarity : EnumSet.allOf(Rarity.class)) {
            if (currentLine.startsWith(rarity.getTag())) {
                return rarity;
            }
        }
    }

    // If the item doesn't have a valid rarity, return null
    return null;
}
 

public MCPos getLinkedRail(ItemStack stack){
    NBTTagCompound tag = stack.getSubCompound("linkingRail");
    if(tag != null) {
        if(tag.hasKey("dim")) {
            //Legacy conversion FIXME remove in 1.13
            tag.setInteger("d", tag.getInteger("dim"));
            tag.removeTag("dim");
        }
        return new MCPos(tag);
    }
    return null;
}
 

public static List<String> getDestinations(ItemStack stack){
    NBTTagCompound tag = stack.getSubCompound("destinations");
    if(tag != null) {
        NBTTagList tagList = tag.getTagList("destinations", Constants.NBT.TAG_STRING);
        return StreamSupport.stream(tagList.spliterator(), false).map(nbt -> ((NBTTagString)nbt).getString()).collect(Collectors.toList());
    } else {
        return Collections.emptyList();
    }
}
 

public static void applyBanner(ItemStack banner, ItemStack shield){
	
       NBTTagCompound bannerNBT = banner.getSubCompound("BlockEntityTag");
       NBTTagCompound shieldNBT = bannerNBT == null ? new NBTTagCompound() : bannerNBT.copy();
       shieldNBT.setInteger("Base", banner.getMetadata() & 15);
       shield.setTagInfo("BlockEntityTag", shieldNBT);

}
 

private static NBTTagCompound getToolStatsTag(ItemStack itemStack) {
    return itemStack.getSubCompound("GT.ToolStats");
}
 

protected NBTTagCompound getPartStatsTag(ItemStack itemStack) {
    return itemStack.getSubCompound("GT.PartStats");
}