implemented fade in/out effects

svn-id: r46653

engines/teenagent/scene.cpp

@@ -194,6 +194,8 @@ void Scene::init(TeenAgentEngine *engine, OSystem *system) {
 	_engine = engine;
 	_system = system;
 
+	memset(palette, 0, sizeof(palette));
+	
 	Resources *res = Resources::instance();
 	Common::SeekableReadStream *s = res->varia.getStream(1);
 	if (s == NULL)
@@ -363,7 +365,6 @@ void Scene::init(int id, const Common::Point &pos) {
 			}
 		}
 	}
-	setPalette(_system, palette, 4);
 
 	Common::SeekableReadStream *stream = res->on.getStream(id);
 	int sub_hack = 0;
@@ -389,6 +390,9 @@ void Scene::init(int id, const Common::Point &pos) {
 
 	if (now_playing != res->dseg.get_byte(0xDB90))
 		_engine->music->load(res->dseg.get_byte(0xDB90));
+	
+	_system->copyRectToScreen((const byte *)background.pixels, background.pitch, 0, 0, background.w, background.h);
+	setPalette(0);
 }
 
 void Scene::playAnimation(byte idx, uint id, bool loop, bool paused, bool ignore) {
@@ -450,7 +454,7 @@ bool Scene::processEvent(const Common::Event &event) {
 				for (int i = 0; i < 4; ++i) 
 					custom_animation[i].free();
 				_engine->playMusic(4);
-				init(10, Common::Point(136, 153));
+				_engine->loadScene(10, Common::Point(136, 153));
 				return true;
 			}
 		
@@ -504,7 +508,8 @@ bool Scene::render(OSystem *system) {
 		restart = false;
 		busy = processEventQueue();
 		
-		if (current_event.type == SceneEvent::kCredits) {
+		switch(current_event.type) {
+		case SceneEvent::kCredits: {
 			system->fillScreen(0);
 			///\todo: optimize me
 			Graphics::Surface *surface = system->lockScreen();
@@ -513,8 +518,19 @@ bool Scene::render(OSystem *system) {
 
 			if (current_event.dst.y < -(int)current_event.timer)
 				current_event.clear();
-			
+			}
 			return true;
+		case SceneEvent::kFade:
+			//debug(0, "fade timer = %d", current_event.timer);
+			setPalette(current_event.orientation? 4 - current_event.timer: current_event.timer);
+			++current_event.timer;
+			if (current_event.timer > 4) {
+				nextEvent();
+				continue;
+			} else
+				busy |= true;
+		default:
+			;
 		}
 
 		if (!message.empty() && message_timer != 0) {
@@ -962,7 +978,10 @@ bool Scene::processEventQueue() {
 			debug(0, "*stub* shaking the screen");
 			current_event.clear();
 			break;
-			
+
+		case SceneEvent::kFade:
+			break;
+
 		case SceneEvent::kCredits:
 			debug(0, "showing credits");
 			break;
@@ -983,16 +1002,16 @@ bool Scene::processEventQueue() {
 	return !current_event.empty();
 }
 
-void Scene::setPalette(OSystem *system, const byte *buf, unsigned mul) {
+void Scene::setPalette(unsigned mul) {
 	byte p[1024];
 
 	memset(p, 0, 1024);
 	for (int i = 0; i < 256; ++i) {
 		for (int c = 0; c < 3; ++c)
-			p[i * 4 + c] = buf[i * 3 + c] * mul;
+			p[i * 4 + c] = (unsigned)palette[i * 3 + c] * mul;
 	}
 
-	system->setPalette(p, 0, 256);
+	_system->setPalette(p, 0, 256);
 }
 
 Object *Scene::getObject(int id, int scene_id) {
@@ -1003,8 +1022,13 @@ Object *Scene::getObject(int id, int scene_id) {
 
 	if (scene_id == 0)
 		return NULL;
-
-	return &objects[scene_id - 1][id - 1];
+	
+	Common::Array<Object> &scene_objects = objects[scene_id - 1];
+	--id;
+	if (id >= (int)scene_objects.size())
+		return NULL;
+	
+	return &scene_objects[id];
 }
 
 Common::Point Scene::messagePosition(const Common::String &str, Common::Point position) {

engines/teenagent/scene.h

@@ -60,6 +60,7 @@ struct SceneEvent {
 		kCredits,
 		kTimer,
 		kEffect,
+		kFade,
 		kQuit
 	} type;
 
@@ -137,6 +138,7 @@ public:
 	void displayMessage(const Common::String &str, byte color = 0xd1, const Common::Point &pos = Common::Point());
 	void setOrientation(uint8 o) { orientation = o; }
 	void push(const SceneEvent &event);
+	SceneEvent::Type last_event_type() const { return !events.empty()? events.back().type: SceneEvent::kNone; }
 
 	bool processEvent(const Common::Event &event);
 
@@ -155,6 +157,7 @@ public:
 	Animation * getAnimation(byte slot);
 	inline Animation * getActorAnimation() { return &actor_animation; }
 	inline const Common::String& getMessage() const { return message; }
+	void setPalette(unsigned mul);
 
 private:
 	void loadOns();
@@ -164,7 +167,6 @@ private:
 	void playActorAnimation(uint id, bool loop, bool ignore);
 
 	byte palette[768];
-	void setPalette(OSystem *system, const byte *palette, unsigned mul = 1);
 	static Common::Point messagePosition(const Common::String &str, Common::Point position);
 	static uint messageDuration(const Common::String &str);
 

engines/teenagent/surface_list.cpp

@@ -28,7 +28,7 @@
 
 namespace TeenAgent {
 
-SurfaceList::SurfaceList() : surfaces(NULL) {}
+SurfaceList::SurfaceList() : surfaces(NULL), surfaces_n(0) {}
 
 void SurfaceList::load(Common::SeekableReadStream *stream, Type type, int sub_hack) {
 	free();

engines/teenagent/teenagent.cpp

@@ -218,6 +218,7 @@ Common::Error TeenAgentEngine::loadGameState(int slot) {
 	uint16 x = res->dseg.get_word(0x64AF), y = res->dseg.get_word(0x64B1);
 	scene->loadObjectData();
 	scene->init(id, Common::Point(x, y));
+	scene->setPalette(4);
 	return Common::kNoError;
 }
 
@@ -518,7 +519,6 @@ void TeenAgentEngine::displayCutsceneMessage(uint16 addr, uint16 position) {
 	scene->push(event);
 }
 
-
 void TeenAgentEngine::moveTo(const Common::Point &dst, byte o, bool warp) {
 	moveTo(dst.x, dst.y, o, warp);
 }
@@ -573,12 +573,16 @@ void TeenAgentEngine::loadScene(byte id, const Common::Point &pos, byte o) {
 }
 
 void TeenAgentEngine::loadScene(byte id, uint16 x, uint16 y, byte o) {
+	if (scene->last_event_type() != SceneEvent::kCreditsMessage)
+		fadeOut();
+	
 	SceneEvent event(SceneEvent::kLoadScene);
 	event.scene = id;
 	event.dst.x = x;
 	event.dst.y = y;
 	event.orientation = o;
 	scene->push(event);
+	fadeIn();
 }
 
 void TeenAgentEngine::setOns(byte id, byte value, byte scene_id) {
@@ -676,6 +680,18 @@ void TeenAgentEngine::shakeScreen() {
 	scene->push(event);
 }
 
+void TeenAgentEngine::fadeIn() {
+	SceneEvent event(SceneEvent::kFade);
+	event.orientation = 0;
+	scene->push(event);
+}
+
+void TeenAgentEngine::fadeOut() {
+	SceneEvent event(SceneEvent::kFade);
+	event.orientation = 1;
+	scene->push(event);
+}
+
 void TeenAgentEngine::playSoundNow(byte id) {
 	Resources *res = Resources::instance();
 	Common::SeekableReadStream *in = res->sam_sam.getStream(id);

engines/teenagent/teenagent.h

@@ -106,6 +106,8 @@ public:
 	void setTimerCallback(uint16 addr, uint16 frames);
 	void shakeScreen();
 	void displayCredits();
+	void fadeIn();
+	void fadeOut();
 
 	Common::RandomSource random;