MORTEVIELLE: Improve looping of the intro song

Using a LoopingAudioStream gets rid of the pause between each loop
(and simplifies the code).

3 files changed, 4 insertions, 11 deletions

diff --git a/engines/mortevielle/sound.cpp b/engines/mortevielle/sound.cpp
index d95b12da3c..042097f52c 100644
--- a/engines/mortevielle/sound.cpp
+++ b/engines/mortevielle/sound.cpp
@@ -185,8 +185,8 @@ void SoundManager::playNote(int frequency, int32 length) {
 }
 
 
-void SoundManager::playSong(const byte* buf, int size) {
-	Audio::AudioStream *stream = Audio::makeRawStream(buf, size, 11025 / 2, Audio::FLAG_UNSIGNED | Audio::FLAG_LITTLE_ENDIAN | Audio::FLAG_16BITS);
+void SoundManager::playSong(const byte* buf, int size, int loops) {
+	Audio::AudioStream *stream = Audio::makeLoopingAudioStream(Audio::makeRawStream(buf, size, 11025 / 2, Audio::FLAG_UNSIGNED | Audio::FLAG_LITTLE_ENDIAN | Audio::FLAG_16BITS), loops);
 	Audio::SoundHandle songHandle;
 	_mixer->playStream(Audio::Mixer::kSFXSoundType, &songHandle, stream, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO);
 
diff --git a/engines/mortevielle/sound.h b/engines/mortevielle/sound.h
index 313859dacf..ee6aaff4ad 100644
--- a/engines/mortevielle/sound.h
+++ b/engines/mortevielle/sound.h
@@ -106,7 +106,7 @@ public:
 	void playNote(int frequency, int32 length);
 
 	int decodeMusic(const byte *PSrc, byte *PDest, int size);
-	void playSong(const byte *buf, int size);
+	void playSong(const byte *buf, int size, int loops = 1);
 
 	void litph(tablint &t, int typ, int tempo);
 };
diff --git a/engines/mortevielle/utils.cpp b/engines/mortevielle/utils.cpp
index d5dc678a72..5667e6e5c0 100644
--- a/engines/mortevielle/utils.cpp
+++ b/engines/mortevielle/utils.cpp
@@ -2213,14 +2213,7 @@ void MortevielleEngine::music() {
 	_addFix = (float)((kTempoMusic - 8)) / 256;
 	_speechManager.cctable(_speechManager._tbi);
 
-	bool fin = false;
-	int k = 0;
-	do {
-		fin = keyPressed();
-		_soundManager.playSong(musicBuf, musicSize);
-		++k;
-		fin = fin | keyPressed() | (k >= 5);
-	} while (!fin);
+	_soundManager.playSong(musicBuf, musicSize, 5);
 	while (keyPressed())
 		getChar();