v0.4.2: reintroduced scissoring, now only used when its needed

SPD-classes/src/main/java/com/watabou/noosa/Camera.java

@@ -37,6 +37,8 @@ public class Camera extends Gizmo {
 	
 	public static Camera main;
 
+	public boolean fullScreen;
+
 	public float zoom;
 	
 	public int x;
@@ -101,10 +103,12 @@ public class Camera extends Gizmo {
 	public static Camera createFullscreen( float zoom ) {
 		int w = (int)Math.ceil( Game.width / zoom );
 		int h = (int)Math.ceil( Game.height / zoom );
-		return new Camera(
+		Camera c = new Camera(
 				(int)(Game.width - w * zoom) / 2,
 				(int)(Game.height - h * zoom) / 2,
 				w, h, zoom );
+		c.fullScreen = true;
+		return c;
 	}
 	
 	public Camera( int x, int y, int width, int height, float zoom ) {

SPD-classes/src/main/java/com/watabou/noosa/Game.java

@@ -217,6 +217,7 @@ public class Game extends Activity implements GLSurfaceView.Renderer, View.OnTou
 
 		NoosaScript.get().resetCamera();
 		NoosaScriptNoLighting.get().resetCamera();
+		GLES20.glDisable( GLES20.GL_SCISSOR_TEST );
 		GLES20.glClear( GLES20.GL_COLOR_BUFFER_BIT );
 		draw();
 	}

SPD-classes/src/main/java/com/watabou/noosa/NoosaScript.java

@@ -179,6 +179,17 @@ public class NoosaScript extends Script {
 		if (camera != lastCamera && camera.matrix != null) {
 			lastCamera = camera;
 			uCamera.valueM4( camera.matrix );
+
+			if (!camera.fullScreen) {
+				GLES20.glEnable( GLES20.GL_SCISSOR_TEST );
+				GLES20.glScissor(
+						camera.x,
+						Game.height - camera.screenHeight - camera.y,
+						camera.screenWidth,
+						camera.screenHeight);
+			} else {
+				GLES20.glDisable( GLES20.GL_SCISSOR_TEST );
+			}
 		}
 	}
 	

core/src/main/java/com/shatteredpixel/shatteredpixeldungeon/scenes/PixelScene.java

@@ -305,6 +305,7 @@ public class PixelScene extends Scene {
 				(int)(Game.height - Math.ceil( Game.height / zoom ) * zoom) / 2,
 				(int)Math.ceil( Game.width / zoom ),
 				(int)Math.ceil( Game.height / zoom ), zoom );
+			fullScreen = true;
 		}
 		
 		@Override