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package at.hannibal2.skyhanni.utils.const
import net.minecraft.item.EnumDyeColor
import net.minecraft.item.Item
import net.minecraft.item.ItemStack
import net.minecraft.nbt.NBTBase
import net.minecraft.nbt.NBTTagCompound
import net.minecraft.nbt.NBTTagString
/**
* Access a shallow copy of the underlying item stack. Callers of this method promise not to modify the nbt data of
* the returned instance, but can modify the stack size, metadata, item or outright replace the root tag compound.
* Interior immutability of [ItemStack.stackTagCompound] needs to be guaranteed by the caller. The instance is owned
* ergo not shared with anyone else, so that there are no mutability concerns about the ItemStack instance itself.
*/
fun Const<ItemStack>.getOwnedShallowCopy(): ItemStack {
return ItemStack(unsafeMutable.item, unsafeMutable.stackSize, unsafeMutable.metadata, unsafeMutable.tagCompound)
}
/**
* Access a copy of the underlying item stack. The returned copy is fully and deeply owned, so changes can be made
* to the item stack instance, including interior mutability concerning the [ItemStack.stackTagCompound].
*/
fun Const<ItemStack>.getOwnedDeepCopy(): ItemStack {
return unsafeMutable.copy()
}
/**
* Returns the [ItemStack.stackSize]
*/
inline val Const<ItemStack>.stackSize: Int get() = unsafeMap(ItemStack::stackSize).unconst
/**
* Returns the [item type](ItemStack.item)
*/
inline val Const<ItemStack>.itemType: Item get() = unsafeMap(ItemStack::getItem).unconst
/**
* Returns the [damage or metadata](ItemStack.metadata)
*/
inline val Const<ItemStack>.damage: Int get() = unsafeMap(ItemStack::getItemDamage).unconst
/**
* Interprets the [damage] of this item as a [color](EnumDyeColor). This is only valid for some [item types](itemType),
* so check that one first.
*/
inline val Const<ItemStack>.color: EnumDyeColor get() = EnumDyeColor.byDyeDamage(damage)
/**
* Access the underlying NBT data of this item stack in a [Const].
*/
inline val Const<ItemStack>.nbt: Const<NBTTagCompound>?
get() = unsafeMap(ItemStack::getTagCompound).liftNull()
/**
* Access the NBT data relating to display data.
*/
inline val Const<ItemStack>.displayNbt: Const<NBTTagCompound>?
get() = nbt?.getTagCompound("display")
/**
* Get the display name of this item stack according to its NBT.
*/
fun Const<ItemStack>.getDisplayName(): String? =
displayNbt?.getString("Name")?.getString()
/**
* Get the lore of this item stack according to its NBT.
* @throws NullPointerException if `display.Lore[*]` is not a string in the NBT
*/
fun Const<ItemStack>.getLore(): List<String>? =
displayNbt
?.getList("Lore")
?.intoList()
?.liftList()
?.map { it.tryCast<NBTTagString, NBTBase>()!!.getString() }
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