133 lines
4.1 KiB
Java
133 lines
4.1 KiB
Java
package com.thebrokenrail.twine.item;
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import com.thebrokenrail.twine.Twine;
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import com.thebrokenrail.twine.util.BackpackScreenHandler;
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import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerFactory;
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import net.minecraft.entity.player.PlayerEntity;
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import net.minecraft.entity.player.PlayerInventory;
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import net.minecraft.inventory.Inventories;
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import net.minecraft.inventory.Inventory;
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import net.minecraft.item.DyeableItem;
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import net.minecraft.item.Item;
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import net.minecraft.item.ItemStack;
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import net.minecraft.network.PacketByteBuf;
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import net.minecraft.screen.ScreenHandler;
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import net.minecraft.server.network.ServerPlayerEntity;
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import net.minecraft.text.Text;
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import net.minecraft.util.ActionResult;
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import net.minecraft.util.Hand;
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import net.minecraft.util.TypedActionResult;
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import net.minecraft.util.collection.DefaultedList;
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import net.minecraft.world.World;
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public class BackpackItem extends Item implements DyeableItem {
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public static class ItemInventory implements Inventory {
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private final int size;
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private final ItemStack stack;
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private final Hand hand;
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private final DefaultedList<ItemStack> inv;
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public ItemInventory(int size, PlayerEntity player, Hand hand) {
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this.size = size;
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this.stack = player.getStackInHand(hand);
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this.hand = hand;
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inv = getInv();
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}
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private DefaultedList<ItemStack> getInv() {
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DefaultedList<ItemStack> list = DefaultedList.ofSize(size, ItemStack.EMPTY);
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Inventories.fromTag(stack.getOrCreateTag(), list);
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return list;
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}
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private void setInv(DefaultedList<ItemStack> list) {
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Inventories.toTag(stack.getOrCreateTag(), list);
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}
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@Override
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public int size() {
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return size;
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}
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@Override
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public boolean isEmpty() {
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for (ItemStack item : inv) {
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if (item != ItemStack.EMPTY) {
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return false;
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}
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}
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return true;
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}
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@Override
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public ItemStack getStack(int slot) {
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return inv.get(slot);
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}
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@Override
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public ItemStack removeStack(int slot, int amount) {
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return inv.get(slot).split(amount);
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}
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@Override
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public ItemStack removeStack(int slot) {
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ItemStack item = inv.get(slot);
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return item.split(item.getCount());
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}
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@Override
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public void setStack(int slot, ItemStack stack) {
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inv.set(slot, stack);
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}
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@Override
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public void markDirty() {
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setInv(inv);
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}
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@Override
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public boolean canPlayerUse(PlayerEntity player) {
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return player.getStackInHand(hand) == stack;
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}
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@Override
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public void clear() {
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for (int i = 0; i < size; i++) {
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inv.set(i, ItemStack.EMPTY);
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}
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}
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}
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private final boolean large;
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public BackpackItem(boolean large) {
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super(new Settings().maxCount(1).group(Twine.ITEM_GROUP));
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this.large = large;
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}
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@Override
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public TypedActionResult<ItemStack> use(World world, PlayerEntity user, Hand hand) {
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ItemStack stack = user.getStackInHand(hand);
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if (!world.isClient()) {
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user.openHandledScreen(new ExtendedScreenHandlerFactory() {
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@Override
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public void writeScreenOpeningData(ServerPlayerEntity serverPlayerEntity, PacketByteBuf buf) {
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buf.writeBoolean(large);
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buf.writeEnumConstant(hand);
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}
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@Override
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public Text getDisplayName() {
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return stack.getName();
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}
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@Override
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public ScreenHandler createMenu(int syncId, PlayerInventory inv, PlayerEntity player) {
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return new BackpackScreenHandler(syncId, inv, large, hand);
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}
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});
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}
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return new TypedActionResult<>(ActionResult.CONSUME, stack);
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}
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}
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