basic sound support and added some rocking sounds

asteroids/Model.cc

@@ -62,11 +62,22 @@ int Model::OnInit (int argc, char* argv[]) {
 
 	mPlayerName = "Player";
 
+	Engine::PlayMusic ("./data/sounds/intro_music.ogg");
+	
+	Engine::RegisterListener (this, EventAccelerateStart);
+	Engine::RegisterListener (this, EventAccelerateStop);
+
 	return result;
 }
 
 bool Model::OnReceiveEvent (const Engine::EventBasePtr &event) {
 	switch (event->mEventType) {
+		case EventAccelerateStart:
+			Engine::PlaySoundLoop("./data/sounds/thrust.wav", -1);
+			break;
+		case EventAccelerateStop:
+			Engine::HaltSoundLoop("./data/sounds/thrust.wav");
+			break;
 		case EventLevelComplete:
 			return OnLevelComplete();
 			break;
@@ -415,6 +426,8 @@ void Model::OnKillEntity (const Engine::EntityBase *entity) {
 	GameEntityType entity_type = (GameEntityType) entity->mType;
 
 	if (entity_type == GameEntityTypeAsteroid) {
+		Engine::PlaySound("./data/sounds/rock_destroyed.wav");
+
 		unsigned int i;
 		const AsteroidEntity *asteroid = static_cast<const AsteroidEntity*>(entity);
 		mPoints += 150 + asteroid->mSubAsteroidsCount * 75;

asteroids/ShipEntity.cc

@@ -126,6 +126,8 @@ void ShipEntity::Attack () {
 	rocket_physics->mOrientation = entity_physic->mOrientation;
 	rocket_physics->mVelocity = attack_dir.normalize();
 	rocket_physics->mVelocity *= ShipEntity::VarMaxSpeed.GetFloatValue() + 0.5;
+
+	Engine::PlaySound ("./data/sounds/laser.wav");	
 }
 
 }