public static boolean itemContainsMagic(ItemStack stack) {
if (isInfiniteContainer(stack)) return true;
MagicAmounts amounts = getContainedMagic(stack);
return amounts != null && !amounts.isEmpty();
}
public static MagicAmounts getMagicLimits(ItemStack stack) {
if (stack.stackSize != 1) return null;
Item item = stack.getItem();
if (!(item instanceof ItemMagicContainer)) return null;
MagicAmounts m = ((ItemMagicContainer) item).getCapacity(stack);
if (m == null) return null;
return m.copy();
}
public static ItemStack setContainedMagic(ItemStack output, MagicAmounts amounts) {
if (output == null) {
return null;
}
if (output.stackSize != 1) {
return null;
}
if (isInfiniteContainer(output)) return output;
if (amounts != null) {
if (amounts.isEmpty()) {
amounts = null;
}
}
if (amounts != null) {
output = identifyQuality(output);
NBTTagCompound nbt = output.getTagCompound();
if (nbt == null) {
nbt = new NBTTagCompound();
output.setTagCompound(nbt);
}
for (int i = 0; i < MagicAmounts.ELEMENTS; i++) {
nbt.setFloat("" + i, amounts.amounts[i]);
}
return output;
} else {
NBTTagCompound nbt = output.getTagCompound();
if (nbt != null) {
for (int i = 0; i < MagicAmounts.ELEMENTS; i++) {
nbt.removeTag("" + i);
}
if (nbt.getKeySet().size() == 0) output.setTagCompound(null);
}
return output;
}
}