Code/net/minecraft/world/inventory/ChestMenu.java

package net.minecraft.world.inventory;

import net.minecraft.world.Container;
import net.minecraft.world.SimpleContainer;
import net.minecraft.world.entity.player.Inventory;
import net.minecraft.world.entity.player.Player;
import net.minecraft.world.item.ItemStack;

public class ChestMenu extends AbstractContainerMenu {
    private final Container container;
    private final int containerRows;

    private ChestMenu(MenuType<?> p_39224_, int p_39225_, Inventory p_39226_, int p_39227_) {
        this(p_39224_, p_39225_, p_39226_, new SimpleContainer(9 * p_39227_), p_39227_);
    }

    public static ChestMenu oneRow(int p_39235_, Inventory p_39236_) {
        return new ChestMenu(MenuType.GENERIC_9x1, p_39235_, p_39236_, 1);
    }

    public static ChestMenu twoRows(int p_39244_, Inventory p_39245_) {
        return new ChestMenu(MenuType.GENERIC_9x2, p_39244_, p_39245_, 2);
    }

    public static ChestMenu threeRows(int p_39256_, Inventory p_39257_) {
        return new ChestMenu(MenuType.GENERIC_9x3, p_39256_, p_39257_, 3);
    }

    public static ChestMenu fourRows(int p_39259_, Inventory p_39260_) {
        return new ChestMenu(MenuType.GENERIC_9x4, p_39259_, p_39260_, 4);
    }

    public static ChestMenu fiveRows(int p_39263_, Inventory p_39264_) {
        return new ChestMenu(MenuType.GENERIC_9x5, p_39263_, p_39264_, 5);
    }

    public static ChestMenu sixRows(int p_39267_, Inventory p_39268_) {
        return new ChestMenu(MenuType.GENERIC_9x6, p_39267_, p_39268_, 6);
    }

    public static ChestMenu threeRows(int p_39238_, Inventory p_39239_, Container p_39240_) {
        return new ChestMenu(MenuType.GENERIC_9x3, p_39238_, p_39239_, p_39240_, 3);
    }

    public static ChestMenu sixRows(int p_39247_, Inventory p_39248_, Container p_39249_) {
        return new ChestMenu(MenuType.GENERIC_9x6, p_39247_, p_39248_, p_39249_, 6);
    }

    public ChestMenu(MenuType<?> p_39229_, int p_39230_, Inventory p_39231_, Container p_39232_, int p_39233_) {
        super(p_39229_, p_39230_);
        checkContainerSize(p_39232_, p_39233_ * 9);
        this.container = p_39232_;
        this.containerRows = p_39233_;
        p_39232_.startOpen(p_39231_.player);
        int i = 18;
        this.addChestGrid(p_39232_, 8, 18);
        int j = 18 + this.containerRows * 18 + 13;
        this.addStandardInventorySlots(p_39231_, 8, j);
    }

    private void addChestGrid(Container p_364722_, int p_368076_, int p_363773_) {
        for (int i = 0; i < this.containerRows; i++) {
            for (int j = 0; j < 9; j++) {
                this.addSlot(new Slot(p_364722_, j + i * 9, p_368076_ + j * 18, p_363773_ + i * 18));
            }
        }
    }

    @Override
    public boolean stillValid(Player p_39242_) {
        return this.container.stillValid(p_39242_);
    }

    @Override
    public ItemStack quickMoveStack(Player p_39253_, int p_39254_) {
        ItemStack itemstack = ItemStack.EMPTY;
        Slot slot = this.slots.get(p_39254_);
        if (slot != null && slot.hasItem()) {
            ItemStack itemstack1 = slot.getItem();
            itemstack = itemstack1.copy();
            if (p_39254_ < this.containerRows * 9) {
                if (!this.moveItemStackTo(itemstack1, this.containerRows * 9, this.slots.size(), true)) {
                    return ItemStack.EMPTY;
                }
            } else if (!this.moveItemStackTo(itemstack1, 0, this.containerRows * 9, false)) {
                return ItemStack.EMPTY;
            }

            if (itemstack1.isEmpty()) {
                slot.setByPlayer(ItemStack.EMPTY);
            } else {
                slot.setChanged();
            }
        }

        return itemstack;
    }

    @Override
    public void removed(Player p_39251_) {
        super.removed(p_39251_);
        this.container.stopOpen(p_39251_);
    }

    public Container getContainer() {
        return this.container;
    }

    public int getRowCount() {
        return this.containerRows;
    }
}