From 2f0b02ad90706d111c8e7d1d111054e166b5be4c Mon Sep 17 00:00:00 2001
From: gered <gered@blarg.ca>
Date: Sun, 17 Nov 2013 17:49:52 -0500
Subject: [PATCH] fix sorter so it works correctly even when the camera is
 reassigned

---
 .../AlphaTestCameraGroupStrategy.java         | 22 ++++++++++++-------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/src/com/blarg/gdx/graphics/AlphaTestCameraGroupStrategy.java b/src/com/blarg/gdx/graphics/AlphaTestCameraGroupStrategy.java
index ff89540..d22e26e 100644
--- a/src/com/blarg/gdx/graphics/AlphaTestCameraGroupStrategy.java
+++ b/src/com/blarg/gdx/graphics/AlphaTestCameraGroupStrategy.java
@@ -1,7 +1,5 @@
 package com.blarg.gdx.graphics;
 
-import java.util.Comparator;
-
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.graphics.Camera;
 import com.badlogic.gdx.graphics.GL10;
@@ -14,6 +12,8 @@ import com.badlogic.gdx.utils.Disposable;
 import com.badlogic.gdx.utils.ObjectMap;
 import com.badlogic.gdx.utils.Pool;
 
+import java.util.Comparator;
+
 /**
  * <p>
  * <strong>Note:</strong><br />
@@ -91,24 +91,30 @@ public class AlphaTestCameraGroupStrategy implements GroupStrategy, Disposable {
 	private final Comparator<Decal> cameraSorter;
 
 	public AlphaTestCameraGroupStrategy (final Camera camera) {
-		this(camera, new Comparator<Decal>() {
+		if (!Gdx.graphics.isGL20Available())
+			throw new UnsupportedOperationException("AlphaTestCameraGroupStrategy requires shader support.");
+
+		this.camera = camera;
+		createDefaultShader();
+
+		final AlphaTestCameraGroupStrategy that = this;
+		this.cameraSorter = new Comparator<Decal>() {
 			@Override
 			public int compare (Decal o1, Decal o2) {
-				float dist1 = camera.position.dst(o1.getPosition());
-				float dist2 = camera.position.dst(o2.getPosition());
+				float dist1 = that.camera.position.dst(o1.getPosition());
+				float dist2 = that.camera.position.dst(o2.getPosition());
 				return (int)Math.signum(dist2 - dist1);
 			}
-		});
+		};
 	}
 
-	public AlphaTestCameraGroupStrategy(Camera camera, Comparator<Decal> sorter) {
+	public AlphaTestCameraGroupStrategy (Camera camera, Comparator<Decal> sorter) {
 		if (!Gdx.graphics.isGL20Available())
 			throw new UnsupportedOperationException("AlphaTestCameraGroupStrategy requires shader support.");
 
 		this.camera = camera;
 		this.cameraSorter = sorter;
 		createDefaultShader();
-
 	}
 
 	public void setCamera (Camera camera) {