68 lines
1.7 KiB
Kotlin
68 lines
1.7 KiB
Kotlin
package net.shadowfacts.phycon.util
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import alexiil.mc.lib.attributes.item.ItemStackUtil
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import net.minecraft.inventory.SimpleInventory
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import net.minecraft.item.ItemStack
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import net.minecraft.nbt.NbtCompound
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import net.minecraft.nbt.NbtList
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import java.lang.RuntimeException
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import kotlin.math.min
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/**
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* @author shadowfacts
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*/
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fun SimpleInventory.toTag(): NbtList {
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val list = NbtList()
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for (slot in 0 until size()) {
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val stack = getStack(slot)
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if (!stack.isEmpty) {
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val stackTag = stack.writeNbt(NbtCompound())
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stackTag.putInt("Slot", slot)
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list.add(stackTag)
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}
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}
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return list
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}
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fun SimpleInventory.fromTag(list: NbtList) {
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if (list.isEmpty()) {
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this.clear()
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return
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}
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if (list.heldType != 10.toByte()) throw RuntimeException("Can't decode BasicInventory from list tag that does not contain compound tags")
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this.clear()
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for (tag in list) {
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val compound = tag as NbtCompound
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val stack = ItemStack.fromNbt(compound)
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val slot = compound.getInt("Slot")
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setStack(slot, stack)
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}
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}
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fun SimpleInventory.insert(stack: ItemStack, slot: Int): ItemStack {
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@Suppress("NAME_SHADOWING") val stack = stack.copy()
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val current = getStack(slot)
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if (current.isEmpty) {
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setStack(slot, stack)
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return ItemStack.EMPTY
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} else if (ItemStackUtil.areEqualIgnoreAmounts(stack, current)) {
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val toTransfer = min(current.maxCount - current.count, stack.count)
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current.count += toTransfer
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stack.count -= toTransfer
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return stack
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} else {
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return stack
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}
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}
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fun SimpleInventory.insert(stack: ItemStack): ItemStack {
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var remaining = stack
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for (slot in 0 until size()) {
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remaining = insert(stack, slot)
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if (remaining.isEmpty) {
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break
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}
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}
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return remaining
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}
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