Compensate for CB always having its own renderer

CraftBukkit-Patches/0045-Limit-Custom-Map-Rendering.patch

@@ -1,4 +1,4 @@
-From 8406ab4e0f88e18b43406c8780e345b865251425 Mon Sep 17 00:00:00 2001
+From a7d97767e0fa796db6cbc95da373f4dc1d9f40c0 Mon Sep 17 00:00:00 2001
 From: md_5 <md_5@live.com.au>
 Date: Sat, 23 Mar 2013 19:08:41 +1100
 Subject: [PATCH] Limit Custom Map Rendering
@@ -25,7 +25,7 @@ index cf3bb1f..ebc0fc7 100644
  
          return abyte == null ? null : new Packet131ItemData((short) Item.MAP.id, (short) itemstack.getData(), abyte);
 diff --git a/src/main/java/net/minecraft/server/WorldMapHumanTracker.java b/src/main/java/net/minecraft/server/WorldMapHumanTracker.java
-index bf3e6fe..49449c9 100644
+index bf3e6fe..448800d 100644
 --- a/src/main/java/net/minecraft/server/WorldMapHumanTracker.java
 +++ b/src/main/java/net/minecraft/server/WorldMapHumanTracker.java
 @@ -41,23 +41,29 @@ public class WorldMapHumanTracker {
@@ -34,7 +34,7 @@ index bf3e6fe..49449c9 100644
  
 -            org.bukkit.craftbukkit.map.RenderData render = this.worldMap.mapView.render((org.bukkit.craftbukkit.entity.CraftPlayer) trackee.getBukkitEntity()); // CraftBukkit
 +            // Spigot start
-+            boolean custom = this.worldMap.mapView.renderers.size() != 0;
++            boolean custom = this.worldMap.mapView.renderers.size() > 1;
 +            org.bukkit.craftbukkit.map.RenderData render = (custom) ? this.worldMap.mapView.render((org.bukkit.craftbukkit.entity.CraftPlayer) trackee.getBukkitEntity()) : null; // CraftBukkit
  
              if (--this.g < 0) {