diff options
Diffstat (limited to 'engines/mortevielle/sound.cpp')
| -rw-r--r-- | engines/mortevielle/sound.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/engines/mortevielle/sound.cpp b/engines/mortevielle/sound.cpp index 76495c6658..3cb5284494 100644 --- a/engines/mortevielle/sound.cpp +++ b/engines/mortevielle/sound.cpp @@ -148,11 +148,13 @@ SoundManager::~SoundManager() { /** * Decode music data */ -void SoundManager::decodeMusic(const byte *PSrc, byte *PDest, int size) { +int SoundManager::decodeMusic(const byte *PSrc, byte *PDest, int size) { static const int tab[16] = { -96, -72, -48, -32, -20, -12, -8, -4, 0, 4, 8, 12, 20, 32, 48, 72 }; uint seed = 128; int v; + int decompSize = 0; + int skipSize = 0; for (int idx1 = 0; idx1 < size; ++idx1) { byte srcByte = *PSrc++; @@ -163,7 +165,15 @@ void SoundManager::decodeMusic(const byte *PSrc, byte *PDest, int size) { v = tab[srcByte & 0xf]; seed += v; *PDest++ = seed & 0xff; + + if (srcByte == 0) + skipSize += 2; + else { + decompSize += skipSize + 2; + skipSize = 0; + } } + return decompSize; } void SoundManager::litph(tablint &t, int typ, int tempo) { |