[add] Added SelectScene.

src/sj/AbstractScene.d

@@ -17,6 +17,7 @@ class AbstractScene : SceneInterface {
   }
 
   override SceneInterface TakeNextScene() {
+    scope(exit) next_ = null;
     return next_;
   }
 

src/sj/Game.d

@@ -5,6 +5,7 @@ import sj.AbstractGame,
        sj.FontSet,
        sj.LobbyWorld,
        sj.ProgramSet,
+       sj.SelectScene,
        sj.TitleScene;
 
 ///
@@ -18,7 +19,10 @@ class Game : AbstractGame {
     lobby_ = new LobbyWorld(programs_);
 
     title_  = new TitleScene(lobby_, programs_);
-    title_.SetupSceneDependency(title_);  // TODO: specify proper next scene
+    select_ = new SelectScene(lobby_, programs_);
+
+    title_.SetupSceneDependency(select_);
+    select_.SetupSceneDependency(title_);
 
     super(title_);
   }
@@ -40,4 +44,6 @@ class Game : AbstractGame {
   LobbyWorld lobby_;
 
   TitleScene title_;
+
+  SelectScene select_;
 }

src/sj/SelectScene.d

@@ -0,0 +1,61 @@
+/// License: MIT
+module sj.SelectScene;
+
+import derelict.sfml2.audio;
+
+import sj.AbstractScene,
+       sj.KeyInput,
+       sj.LobbyWorld,
+       sj.ProgramSet,
+       sj.SceneInterface;
+
+///
+class SelectScene : AbstractScene {
+ public:
+  ///
+  enum SpotlightSound = cast(ubyte[]) import("sounds/spotlight.wav");
+
+  ///
+  this(LobbyWorld lobby, ProgramSet program) {
+    lobby_ = lobby;
+
+    const buf = SpotlightSound;
+    spotlight_buffer_ = sfSoundBuffer_createFromMemory(buf.ptr, buf.length);
+    sound_            = sfSound_create();
+
+    first_ = true;
+  }
+  ~this() {
+    sfSound_destroy(sound_);
+    sfSoundBuffer_destroy(spotlight_buffer_);
+  }
+
+  ///
+  void SetupSceneDependency(SceneInterface title_scene) {
+    title_scene_ = title_scene;
+  }
+
+  override void Update(KeyInput input) {
+    if (first_) {
+      sfSound_setBuffer(sound_, spotlight_buffer_);
+      sfSound_play(sound_);
+    }
+    first_ = false;
+
+    if (input.up) GoNextScene(title_scene_);
+  }
+  override void Draw() {
+    lobby_.Draw();
+  }
+
+ private:
+  SceneInterface title_scene_;
+
+  LobbyWorld lobby_;
+
+  sfSoundBuffer* spotlight_buffer_;
+
+  sfSound* sound_;
+
+  bool first_;
+}

src/sj/TitleScene.d

@@ -38,6 +38,8 @@ class TitleScene : AbstractScene {
 
   override void Update(KeyInput input) {
     lobby_.cube_matrix.rotation += vec3(PI/600, PI/600, PI/600);
+
+    if (input.down) GoNextScene(next_scene_);
   }
   override void Draw() {
     lobby_.Draw();