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package net.minecraft.server;
// CraftBukkit start
import java.util.List;
import org.bukkit.craftbukkit.entity.CraftHumanEntity;
import org.bukkit.entity.HumanEntity;
// CraftBukkit end
public class InventoryMerchant implements IInventory {
private final IMerchant merchant;
private ItemStack[] itemsInSlots = new ItemStack[3];
private final EntityHuman player;
private MerchantRecipe recipe;
private int e;
// CraftBukkit start
public List<HumanEntity> transaction = new java.util.ArrayList<HumanEntity>();
private int maxStack = MAX_STACK;
public ItemStack[] getContents() {
return this.itemsInSlots;
}
public void onOpen(CraftHumanEntity who) {
transaction.add(who);
}
public void onClose(CraftHumanEntity who) {
transaction.remove(who);
}
public List<HumanEntity> getViewers() {
return transaction;
}
public void setMaxStackSize(int i) {
maxStack = i;
}
public org.bukkit.inventory.InventoryHolder getOwner() {
return player.getBukkitEntity();
}
// CraftBukkit end
public InventoryMerchant(EntityHuman entityhuman, IMerchant imerchant) {
this.player = entityhuman;
this.merchant = imerchant;
}
public int getSize() {
return this.itemsInSlots.length;
}
public ItemStack getItem(int i) {
return this.itemsInSlots[i];
}
public ItemStack splitStack(int i, int j) {
if (this.itemsInSlots[i] != null) {
ItemStack itemstack;
if (i == 2) {
itemstack = this.itemsInSlots[i];
this.itemsInSlots[i] = null;
return itemstack;
} else if (this.itemsInSlots[i].count <= j) {
itemstack = this.itemsInSlots[i];
this.itemsInSlots[i] = null;
if (this.d(i)) {
this.g();
}
return itemstack;
} else {
itemstack = this.itemsInSlots[i].a(j);
if (this.itemsInSlots[i].count == 0) {
this.itemsInSlots[i] = null;
}
if (this.d(i)) {
this.g();
}
return itemstack;
}
} else {
return null;
}
}
private boolean d(int i) {
return i == 0 || i == 1;
}
public ItemStack splitWithoutUpdate(int i) {
if (this.itemsInSlots[i] != null) {
ItemStack itemstack = this.itemsInSlots[i];
this.itemsInSlots[i] = null;
return itemstack;
} else {
return null;
}
}
public void setItem(int i, ItemStack itemstack) {
this.itemsInSlots[i] = itemstack;
if (itemstack != null && itemstack.count > this.getMaxStackSize()) {
itemstack.count = this.getMaxStackSize();
}
if (this.d(i)) {
this.g();
}
}
public String getName() {
return "mob.villager";
}
public int getMaxStackSize() {
return maxStack; // CraftBukkit
}
public boolean a_(EntityHuman entityhuman) {
return this.merchant.m_() == entityhuman;
}
public void startOpen() {}
public void f() {}
public void update() {
this.g();
}
public void g() {
this.recipe = null;
ItemStack itemstack = this.itemsInSlots[0];
ItemStack itemstack1 = this.itemsInSlots[1];
if (itemstack == null) {
itemstack = itemstack1;
itemstack1 = null;
}
if (itemstack == null) {
this.setItem(2, (ItemStack) null);
} else {
MerchantRecipeList merchantrecipelist = this.merchant.getOffers(this.player);
if (merchantrecipelist != null) {
MerchantRecipe merchantrecipe = merchantrecipelist.a(itemstack, itemstack1, this.e);
if (merchantrecipe != null && !merchantrecipe.g()) {
this.recipe = merchantrecipe;
this.setItem(2, merchantrecipe.getBuyItem3().cloneItemStack());
} else if (itemstack1 != null) {
merchantrecipe = merchantrecipelist.a(itemstack1, itemstack, this.e);
if (merchantrecipe != null && !merchantrecipe.g()) {
this.recipe = merchantrecipe;
this.setItem(2, merchantrecipe.getBuyItem3().cloneItemStack());
} else {
this.setItem(2, (ItemStack) null);
}
} else {
this.setItem(2, (ItemStack) null);
}
}
}
}
public MerchantRecipe getRecipe() {
return this.recipe;
}
public void c(int i) {
this.e = i;
this.g();
}
}
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