Add support for the 'fallback' MIDI in T7G's intro when the CD track cannot be found. The intro music in the Mac version now plays.

svn-id: r50564

3 files changed, 24 insertions, 4 deletions

diff --git a/engines/groovie/groovie.cpp b/engines/groovie/groovie.cpp
index e0760e1d41..9da413d362 100644
--- a/engines/groovie/groovie.cpp
+++ b/engines/groovie/groovie.cpp
@@ -110,7 +110,7 @@ Common::Error GroovieEngine::run() {
 	// Prepare the font too
 	switch (_gameDescription->version) {
 	case kGroovieT7G:
-		if (_gameDescription->desc.platform == Common::kPlatformMacintosh) {
+		if (getPlatform() == Common::kPlatformMacintosh) {
 			_macResFork = new Common::MacResManager();
 			if (!_macResFork->open(_gameDescription->desc.filesDescriptions[0].fileName))
 				error("Could not open %s as a resource fork", _gameDescription->desc.filesDescriptions[0].fileName);
@@ -141,7 +141,7 @@ Common::Error GroovieEngine::run() {
 	}
 
 	// Create the music player
-	if (_gameDescription->desc.platform == Common::kPlatformMacintosh)
+	if (getPlatform() == Common::kPlatformMacintosh)
 		_musicPlayer = new MusicPlayerMac(this);
 	else
 		_musicPlayer = new MusicPlayerXMI(this, _gameDescription->version == kGroovieT7G ? "fat" : "sample");
@@ -154,8 +154,8 @@ Common::Error GroovieEngine::run() {
 	if (_gameDescription->version == kGroovieT7G) {
 		// Run The 7th Guest's demo if requested
 		if (ConfMan.hasKey("demo_mode") && ConfMan.getBool("demo_mode"))
-			filename = Common::String("demo.grv");
-		else if (_gameDescription->desc.platform == Common::kPlatformMacintosh)
+			filename = "demo.grv";
+		else if (getPlatform() == Common::kPlatformMacintosh)
 			filename = "script.grv"; // Stored inside the executable's resource fork
 	} else if (_gameDescription->version == kGroovieV2) {
 		// Open the disk index
@@ -307,6 +307,10 @@ Common::Error GroovieEngine::run() {
 	return Common::kNoError;
 }
 
+Common::Platform GroovieEngine::getPlatform() const {
+	return _gameDescription->desc.platform;
+}
+
 bool GroovieEngine::hasFeature(EngineFeature f) const {
 	return
 		(f == kSupportsRTL) ||
diff --git a/engines/groovie/groovie.h b/engines/groovie/groovie.h
index 437debfd17..8ae5f4157f 100644
--- a/engines/groovie/groovie.h
+++ b/engines/groovie/groovie.h
@@ -82,6 +82,8 @@ public:
 	GroovieEngine(OSystem *syst, const GroovieGameDescription *gd);
 	~GroovieEngine();
 
+	Common::Platform getPlatform() const;
+
 protected:
 
 	// Engine APIs
diff --git a/engines/groovie/music.cpp b/engines/groovie/music.cpp
index f226ef3397..6959a6a6f1 100644
--- a/engines/groovie/music.cpp
+++ b/engines/groovie/music.cpp
@@ -111,6 +111,20 @@ void MusicPlayer::playCD(uint8 track) {
 
 	// Play the track starting at the requested offset (1000ms = 75 frames)
 	AudioCD.play(track - 1, 1, startms * 75 / 1000, 0);
+
+	// If the audio is not playing from the CD, play the "fallback" MIDI.
+	// The Mac version has no CD tracks, so it will always use the MIDI.
+	if (!AudioCD.isPlaying()) {
+		if (track == 2) {
+			// Intro MIDI fallback
+			if (_vm->getPlatform() == Common::kPlatformMacintosh)
+				playSong(70);
+			else
+				playSong((19 << 10) | 36); // XMI.GJD, file 36
+		} else if (track == 3) {
+			// TODO: Credits MIDI fallback
+		}
+	}
 }
 
 void MusicPlayer::startBackground() {