1 files changed, 182 insertions, 0 deletions
diff --git a/src/main/java/net/minecraft/server/InventoryMerchant.java b/src/main/java/net/minecraft/server/InventoryMerchant.java
new file mode 100644
index 00000000..f1d7add0
--- /dev/null
+++ b/src/main/java/net/minecraft/server/InventoryMerchant.java
@@ -0,0 +1,182 @@
+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.l_() == 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) {
+                    this.recipe = merchantrecipe;
+                    this.setItem(2, merchantrecipe.getBuyItem3().cloneItemStack());
+                } else if (itemstack1 != null) {
+                    merchantrecipe = merchantrecipelist.a(itemstack1, itemstack, this.e);
+                    if (merchantrecipe != null) {
+                        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();
+    }
+}