[nacltoons] Add initial frontend and physics game scenes.

nacltoons/src/GameplayScene.h

-// Copyright (c) 2013 The Native Client Authors. All rights reserved.
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-#ifndef GAMEPLAY_SCENE_H
-#define GAMEPLAY_SCENE_H
+#ifndef GAMEPLAY_SCENE_H_
+#define GAMEPLAY_SCENE_H_
 
 #include "cocos2d.h"
 
 USING_NS_CC;
 
-class Gameplay : public CCLayerColor
-{
+/**
+ * Main gameplay scene containing the physics layer
+ * that the user can interact with and a UI layer over
+ * the top for menus.
+ */
+class Gameplay : public CCScene {
  public:
-  Gameplay();
+  Gameplay() {}
+  ~Gameplay() {}
+  CREATE_FUNC(Gameplay);
+  virtual bool init();
+  void Restart();
+  static CCScene* scene();
+};
 
-  ~Gameplay();
-
+/**
+ * UI layer for menus.
+ */
+class UILayer : public CCLayer {
+ public:
+  UILayer() {}
+  ~UILayer() {}
+  CREATE_FUNC(UILayer);
   virtual bool init();
 
-  static CCScene* scene();
-
-  CREATE_FUNC(Gameplay);
-
-  virtual void ccTouchesEnded(CCSet* touches, CCEvent* event);
- protected:
-  void updateGame(float dt);
+ private:
+  // menu callbacks
+  void Restart(CCObject* sender);
+  void Exit(CCObject* sender);
 };
 
-#endif  // !GAMEPLAY_SCENE_H
+#endif  // !GAMEPLAY_SCENE_H_