Add basics for breakout game, separate tutorial code

src/include/Breakout/Game.h

@@ -0,0 +1,37 @@
+#ifndef BREAKOUT_GAME_H
+#define BREAKOUT_GAME_H
+
+#include <Dengine\OpenGL.h>
+#include <Dengine\Common.h>
+
+namespace Breakout
+{
+
+GLOBAL_VAR const i32 NUM_KEYS = 1024;
+
+enum GameState
+{
+	GAME_ACTIVE,
+	GAME_MENU,
+	GAME_WIN
+};
+
+class Game
+{
+public:
+	GameState mState;
+	GLboolean keys[NUM_KEYS];
+	i32 width, height;
+
+	Game(i32 width, i32 height);
+	~Game();
+
+	void init();
+
+	void processInput(f32 dt);
+	void update(f32 dt);
+	void render();
+};
+}
+
+#endif

src/include/Dengine/AssetManager.h

@@ -15,6 +15,7 @@ class AssetManager
 {
 public:
 	AssetManager();
+	// TODO(doyle): Unload all resources in memory
 	~AssetManager();
 
 	/* Texture */