From 7c40a073d8b173dde3f7c13985b5b587e6158894 Mon Sep 17 00:00:00 2001
From: Patrick Seidel <psycowithespn1@aim.com>
Date: Thu, 27 Dec 2012 16:30:08 -0500
Subject: Add ability to change player item in hand. Adds BUKKIT-3318

---
 src/main/java/net/minecraft/server/PlayerConnection.java         | 4 ++++
 .../org/bukkit/craftbukkit/inventory/CraftInventoryPlayer.java   | 9 +++++++++
 2 files changed, 13 insertions(+)

(limited to 'src/main/java')

diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index 13c27051..00c68615 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -760,6 +760,10 @@ public class PlayerConnection extends Connection {
         if (packet16blockitemswitch.itemInHandIndex >= 0 && packet16blockitemswitch.itemInHandIndex < PlayerInventory.getHotbarSize()) {
             PlayerItemHeldEvent event = new PlayerItemHeldEvent(this.getPlayer(), this.player.inventory.itemInHandIndex, packet16blockitemswitch.itemInHandIndex);
             this.server.getPluginManager().callEvent(event);
+            if (event.isCancelled()) {
+                this.sendPacket(new Packet16BlockItemSwitch(this.player.inventory.itemInHandIndex));
+                return;
+            }
             // CraftBukkit end
 
             this.player.inventory.itemInHandIndex = packet16blockitemswitch.itemInHandIndex;
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryPlayer.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryPlayer.java
index 9c959494..50ae773a 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryPlayer.java
@@ -1,7 +1,10 @@
 package org.bukkit.craftbukkit.inventory;
 
+import net.minecraft.server.Packet16BlockItemSwitch;
 import net.minecraft.server.PlayerInventory;
 
+import org.apache.commons.lang.Validate;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
 import org.bukkit.entity.HumanEntity;
 import org.bukkit.inventory.EntityEquipment;
 import org.bukkit.inventory.ItemStack;
@@ -33,6 +36,12 @@ public class CraftInventoryPlayer extends CraftInventory implements org.bukkit.i
         return getInventory().itemInHandIndex;
     }
 
+    public void setHeldItemSlot(int slot) {
+        Validate.isTrue(slot >= 0 && slot < PlayerInventory.getHotbarSize(), "Slot is not between 0 and 8 inclusive");
+        this.getInventory().itemInHandIndex = slot;
+        ((CraftPlayer) this.getHolder()).getHandle().playerConnection.sendPacket(new Packet16BlockItemSwitch(slot));
+    }
+
     public ItemStack getHelmet() {
         return getItem(getSize() + 3);
     }
-- 
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