From f0325da814e5681e937e0586c508aac5f9835e8c Mon Sep 17 00:00:00 2001
From: feildmaster <admin@feildmaster.com>
Date: Wed, 21 Nov 2012 16:19:56 -0600
Subject: [PATCH] Add ItemMapEmpty for diff visibility

---
 .../net/minecraft/server/ItemMapEmpty.java    | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 src/main/java/net/minecraft/server/ItemMapEmpty.java

diff --git a/src/main/java/net/minecraft/server/ItemMapEmpty.java b/src/main/java/net/minecraft/server/ItemMapEmpty.java
new file mode 100644
index 0000000000..7bab738a7d
--- /dev/null
+++ b/src/main/java/net/minecraft/server/ItemMapEmpty.java
@@ -0,0 +1,34 @@
+package net.minecraft.server;
+
+public class ItemMapEmpty extends ItemWorldMapBase {
+
+    protected ItemMapEmpty(int i) {
+        super(i);
+        this.a(CreativeModeTab.f);
+    }
+
+    public ItemStack a(ItemStack itemstack, World world, EntityHuman entityhuman) {
+        ItemStack itemstack1 = new ItemStack(Item.MAP, 1, world.b("map"));
+        String s = "map_" + itemstack1.getData();
+        WorldMap worldmap = new WorldMap(s);
+
+        world.a(s, (WorldMapBase) worldmap);
+        worldmap.scale = 0;
+        int i = 128 * (1 << worldmap.scale);
+
+        worldmap.centerX = (int) (Math.round(entityhuman.locX / (double) i) * (long) i);
+        worldmap.centerZ = (int) (Math.round(entityhuman.locZ / (double) i) * (long) i);
+        worldmap.map = (byte) world.worldProvider.dimension;
+        worldmap.c();
+        --itemstack.count;
+        if (itemstack.count <= 0) {
+            return itemstack1;
+        } else {
+            if (!entityhuman.inventory.pickup(itemstack1.cloneItemStack())) {
+                entityhuman.drop(itemstack1);
+            }
+
+            return itemstack;
+        }
+    }
+}