net.minecraft.server.InventorySubcontainer Maven / Gradle / Ivy

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package net.minecraft.server;

import com.google.common.collect.Lists;
import org.bukkit.craftbukkit.entity.CraftHumanEntity;
import org.bukkit.entity.HumanEntity;

import java.util.Arrays;
import java.util.List;
// CraftBukkit end

public class InventorySubcontainer implements IInventory {

  public ItemStack[] items;
  // CraftBukkit start - add fields and methods
  public List transaction = new java.util.ArrayList<>();
  protected org.bukkit.inventory.InventoryHolder bukkitOwner;
  private String a;
  private final int b;
  private List d;
  private boolean e;
  private int maxStack = MAX_STACK;

  public InventorySubcontainer(String s, boolean flag, int i) {
    this(s, flag, i, null);
  }

  public InventorySubcontainer(String s, boolean flag, int i, org.bukkit.inventory.InventoryHolder owner) { // Added argument
    this.bukkitOwner = owner;
    // CraftBukkit end
    this.a = s;
    this.e = flag;
    this.b = i;
    this.items = new ItemStack[i];
  }

  public ItemStack[] getContents() {
    return this.items;
  }

  public void onOpen(CraftHumanEntity who) {
    transaction.add(who);
  }

  public void onClose(CraftHumanEntity who) {
    transaction.remove(who);
  }

  public List getViewers() {
    return transaction;
  }

  public org.bukkit.inventory.InventoryHolder getOwner() {
    return bukkitOwner;
  }

  public void a(IInventoryListener iinventorylistener) {
    if (this.d == null) {
      this.d = Lists.newArrayList();
    }

    this.d.add(iinventorylistener);
  }

  public void b(IInventoryListener iinventorylistener) {
    this.d.remove(iinventorylistener);
  }

  public ItemStack getItem(int i) {
    return i >= 0 && i < this.items.length ? this.items[i] : null;
  }

  public ItemStack splitStack(int i, int j) {
    if (this.items[i] != null) {
      ItemStack itemstack;

      if (this.items[i].count <= j) {
        itemstack = this.items[i];
        this.items[i] = null;
      } else {
        itemstack = this.items[i].cloneAndSubtract(j);
        if (this.items[i].count == 0) {
          this.items[i] = null;
        }
  
      }
      this.update();
      return itemstack;
    } else {
      return null;
    }
  }

  public ItemStack a(ItemStack itemstack) {
    ItemStack itemstack1 = itemstack.cloneItemStack();

    for (int i = 0; i < this.b; ++i) {
      ItemStack itemstack2 = this.getItem(i);

      if (itemstack2 == null) {
        this.setItem(i, itemstack1);
        this.update();
        return null;
      }

      if (ItemStack.c(itemstack2, itemstack1)) {
        int j = Math.min(this.getMaxStackSize(), itemstack2.getMaxStackSize());
        int k = Math.min(itemstack1.count, j - itemstack2.count);

        if (k > 0) {
          itemstack2.count += k;
          itemstack1.count -= k;
          if (itemstack1.count <= 0) {
            this.update();
            return null;
          }
        }
      }
    }

    if (itemstack1.count != itemstack.count) {
      this.update();
    }

    return itemstack1;
  }

  public ItemStack splitWithoutUpdate(int i) {
    if (this.items[i] != null) {
      ItemStack itemstack = this.items[i];

      this.items[i] = null;
      return itemstack;
    } else {
      return null;
    }
  }

  public void setItem(int i, ItemStack itemstack) {
    this.items[i] = itemstack;
    if (itemstack != null && itemstack.count > this.getMaxStackSize()) {
      itemstack.count = this.getMaxStackSize();
    }

    this.update();
  }

  public int getSize() {
    return this.b;
  }

  public String getName() {
    return this.a;
  }

  public boolean hasCustomName() {
    return this.e;
  }

  public void a(String s) {
    this.e = true;
    this.a = s;
  }

  public IChatBaseComponent getScoreboardDisplayName() {
    return this.hasCustomName() ? new ChatComponentText(this.getName()) : new ChatMessage(this.getName());
  }

  public int getMaxStackSize() {
    return 64;
  }

  public void setMaxStackSize(int i) {
    maxStack = i;
  }

  public void update() {
    if (this.d != null) {
      for (IInventoryListener listener : this.d) {
        listener.a(this);
      }
    }

  }

  public boolean a(EntityHuman entityhuman) {
    return true;
  }

  public void startOpen(EntityHuman entityhuman) {
  }

  public void closeContainer(EntityHuman entityhuman) {
  }

  public boolean b(int i, ItemStack itemstack) {
    return true;
  }

  public int getProperty(int i) {
    return 0;
  }

  public void b(int i, int j) {
  }

  public int g() {
    return 0;
  }

  public void l() {
    Arrays.fill(this.items, null);
  }
}