89 lines
2.1 KiB
Kotlin
89 lines
2.1 KiB
Kotlin
package net.shadowfacts.phycon.block.terminal
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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.NbtIntArray
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import net.shadowfacts.phycon.util.fromTag
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import net.shadowfacts.phycon.util.toTag
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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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class TerminalBufferInventory(size: Int): SimpleInventory(size) {
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enum class Mode {
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TO_NETWORK, FROM_NETWORK, UNASSIGNED
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}
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var modes = Array(size) { Mode.UNASSIGNED }
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private set
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fun toTag(): NbtCompound {
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val compound = NbtCompound()
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compound.put("Inventory", (this as SimpleInventory).toTag())
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compound.put("Modes", NbtIntArray(modes.map(Mode::ordinal)))
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return compound
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}
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fun fromTag(tag: NbtCompound) {
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val inventory = tag.getList("Inventory", 10)
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(this as SimpleInventory).fromTag(inventory)
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tag.getIntArray("Modes").forEachIndexed { i, it -> modes[i] = Mode.values()[it] }
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}
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fun insert(stack: ItemStack, mode: Mode): ItemStack {
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var remaining = stack.copy()
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for (slot in 0 until size()) {
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if (modes[slot] != mode && modes[slot] != Mode.UNASSIGNED) continue
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remaining = tryInsert(stack, slot, mode)
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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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private fun tryInsert(stack: ItemStack, slot: Int, mode: Mode): ItemStack {
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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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markSlot(slot, mode)
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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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markSlot(slot, mode)
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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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override fun setStack(slot: Int, stack: ItemStack) {
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if (stack.isEmpty) {
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modes[slot] = Mode.UNASSIGNED
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}
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super.setStack(slot, stack)
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}
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override fun clear() {
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super.clear()
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this.modes = Array(size()) { Mode.UNASSIGNED }
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}
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fun getMode(slot: Int): Mode {
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return modes[slot]
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}
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fun markSlot(slot: Int, mode: Mode) {
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modes[slot] = mode
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}
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}
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