TITANIC: Implementing preliminary video playback code

7 files changed, 87 insertions, 17 deletions

diff --git a/engines/titanic/game_manager.cpp b/engines/titanic/game_manager.cpp
index b6eac3eb82..3e15bb0e2c 100644
--- a/engines/titanic/game_manager.cpp
+++ b/engines/titanic/game_manager.cpp
@@ -149,7 +149,7 @@ void CGameManager::playClip(CMovieClip *clip, CRoomItem *oldRoom, CRoomItem *new
 }
 
 void CGameManager::update() {
-	handleMovies();
+	updateMovies();
 	frameMessage(getRoom());
 	_list.update(g_vm->_events->getTicksCount());
 	_trueTalkManager.update1();
@@ -191,8 +191,15 @@ void CGameManager::update() {
 	}
 }
 
-void CGameManager::handleMovies() {
-	warning("TODO: CGameManager::handleMovies");
+void CGameManager::updateMovies() {
+	// TODO: Make this more like the original, if I can figuring out
+	// what's it doing with temporary lists and the OSMovie methods
+	for (CMovieList::iterator i = g_vm->_activeMovies.begin();
+			i != g_vm->_activeMovies.end(); ++i) {
+
+	}
+
+	
 }
 
 void CGameManager::updateDiskTicksCount() {
diff --git a/engines/titanic/game_manager.h b/engines/titanic/game_manager.h
index b8f5d02463..5004c777fe 100644
--- a/engines/titanic/game_manager.h
+++ b/engines/titanic/game_manager.h
@@ -103,7 +103,7 @@ private:
 	/**
 	 * Handles any ongoing movie playback
 	 */
-	void handleMovies();
+	void updateMovies();
 public:
 	CProjectItem *_project;
 	CGameView *_gameView;
diff --git a/engines/titanic/game_state.cpp b/engines/titanic/game_state.cpp
index 92a0e3dea6..fab7d1165b 100644
--- a/engines/titanic/game_state.cpp
+++ b/engines/titanic/game_state.cpp
@@ -32,7 +32,7 @@ bool CGameStateMovieList::clear() {
 		CMovieListItem *listItem = *i;
 		++i;
 
-		if (!g_vm->_movieList.contains(listItem->_item)) {
+		if (!g_vm->_activeMovies.contains(listItem->_item)) {
 			remove(listItem);
 			delete listItem;
 		}
diff --git a/engines/titanic/support/movie.cpp b/engines/titanic/support/movie.cpp
index 846dc09d5c..4fccc571ee 100644
--- a/engines/titanic/support/movie.cpp
+++ b/engines/titanic/support/movie.cpp
@@ -27,11 +27,11 @@
 
 namespace Titanic {
 
-CMovie::CMovie() : ListItem(), _state(0), _field10(0) {
+CMovie::CMovie() : ListItem(), _state(MOVIE_STOPPED), _field10(0) {
 }
 
 bool CMovie::isActive() const {
-	return g_vm->_movieList.contains(this);
+	return g_vm->_activeMovies.contains(this);
 }
 
 bool CMovie::get10() {
@@ -52,6 +52,7 @@ OSMovie::OSMovie(const CResourceKey &name, CVideoSurface *surface) : _videoSurfa
 }
 
 OSMovie::~OSMovie() {
+	g_vm->_activeMovies.remove(this);
 	delete _video;
 }
 
@@ -61,6 +62,10 @@ void OSMovie::proc8(int v1, CVideoSurface *surface) {
 
 void OSMovie::proc9(int v1, int v2, int v3, bool v4) {
 	warning("TODO: OSMovie::proc9");
+	//setFrame(v1); ?
+	_video->start();
+	g_vm->_activeMovies.push_back(this);
+	_state = MOVIE_NONE;
 }
 
 void OSMovie::proc10() {
@@ -85,11 +90,7 @@ void OSMovie::proc14() {
 
 void OSMovie::setFrame(uint frameNumber) {
 	_video->seekToFrame(frameNumber);
-	const Graphics::Surface *s = _video->decodeNextFrame();
-	Graphics::Surface *surf = s->convertTo(g_system->getScreenFormat());
-
-	_videoSurface->blitFrom(Common::Point(0, 0), surf);
-	delete surf;
+	decodeFrame();
 }
 
 void OSMovie::proc16() {
@@ -118,4 +119,48 @@ void *OSMovie::proc21() {
 	return nullptr;
 }
 
+MovieState OSMovie::getState() {
+	if (!_video)
+		_state = MOVIE_STOPPED;
+	return _state;
+}
+
+void OSMovie::update() {
+	if (_state != MOVIE_STOPPED) {
+		if (_video->isPlaying()) {
+			if (_video->needsUpdate()) {
+				decodeFrame();
+				_state = MOVIE_FRAME;
+			} else {
+				_state = MOVIE_NONE;
+			}
+		} else {
+			_state = MOVIE_STOPPED;
+		}
+	}
+}
+
+void OSMovie::decodeFrame() {
+	const Graphics::Surface *frame = _video->decodeNextFrame();
+	OSVideoSurface *videoSurface = static_cast<OSVideoSurface *>(_videoSurface);
+	assert(videoSurface);
+
+	videoSurface->lock();
+	assert(videoSurface->_rawSurface);
+
+	if (frame->format == videoSurface->_rawSurface->format) {
+		// Matching format, so we can copy straight from the video frame
+		videoSurface->_rawSurface->blitFrom(*frame);
+	} else {
+		// Different formats so we have to convert it first
+		Graphics::Surface *s = frame->convertTo(videoSurface->_rawSurface->format);
+		videoSurface->_rawSurface->blitFrom(*s);
+
+		s->free();
+		delete s;
+	}
+
+	videoSurface->unlock();
+}
+
 } // End of namespace Titanic
diff --git a/engines/titanic/support/movie.h b/engines/titanic/support/movie.h
index b5ae70de13..dfb0ca108a 100644
--- a/engines/titanic/support/movie.h
+++ b/engines/titanic/support/movie.h
@@ -29,11 +29,20 @@
 
 namespace Titanic {
 
+enum MovieState { 
+	MOVIE_STOPPED = -1, MOVIE_NONE = 0, MOVIE_FINISHED = 1, MOVIE_FRAME = 2
+};
+
 class CVideoSurface;
+class CMovie;
+
+class CMovieList : public List<CMovie> {
+public:
+};
 
 class CMovie : public ListItem {
 protected:
-	int _state;
+	MovieState _state;
 	int _field10;
 public:
 	CMovie();
@@ -57,12 +66,20 @@ public:
 	bool isActive() const;
 
 	bool get10();
+
+	virtual MovieState getState() = 0;
+	virtual void update() = 0;
 };
 
 class OSMovie : public CMovie {
 private:
 	Video::VideoDecoder *_video;
 	CVideoSurface *_videoSurface;
+
+	/**
+	 * Decodes the next frame
+	 */
+	void decodeFrame();
 public:
 	OSMovie(const CResourceKey &name, CVideoSurface *surface);
 	virtual ~OSMovie();
@@ -86,10 +103,10 @@ public:
 	virtual int proc19();
 	virtual void proc20();
 	virtual void *proc21();
-};
 
-class CGlobalMovies : public List<CMovie> {
-public:
+
+	virtual MovieState getState();
+	virtual void update();
 };
 
 } // End of namespace Titanic
diff --git a/engines/titanic/support/video_surface.h b/engines/titanic/support/video_surface.h
index 767306cae6..d39dea627b 100644
--- a/engines/titanic/support/video_surface.h
+++ b/engines/titanic/support/video_surface.h
@@ -208,6 +208,7 @@ public:
 };
 
 class OSVideoSurface : public CVideoSurface {
+	friend class OSMovie;
 private:
 	static byte _map[0x400];
 
diff --git a/engines/titanic/titanic.h b/engines/titanic/titanic.h
index a5549e463b..e83d7d9bdc 100644
--- a/engines/titanic/titanic.h
+++ b/engines/titanic/titanic.h
@@ -110,7 +110,7 @@ public:
 	OSScreenManager *_screenManager;
 	CMainGameWindow *_window;
 	Common::RandomSource _randomSource;
-	CGlobalMovies _movieList;
+	CMovieList _activeMovies;
 	CString _itemNames[TOTAL_ITEMS];
 	CString _itemDescriptions[TOTAL_ITEMS];
 	CString _itemObjects[TOTAL_ITEMS];