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MADS: Add a sanity check in pollActiveChannel()

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This avoids a crash when Rex is knocked unconscious in scene 318
This commit is contained in:
Filippos Karapetis 2014-05-16 20:26:49 +03:00
parent ede08b748a
commit a197d91df6
1 changed files with 4 additions and 0 deletions
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4
engines/mads/nebular/sound_nebular.cpp
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@ -413,6 +413,10 @@ void ASound::pollActiveChannel() {
if (--_activeChannelPtr->_activeCount <= 0) {
for (;;) {
byte *pSrc = chan->_pSrc;
if (!chan->_ptr1) {
warning("pollActiveChannel(): No data found for sound channel");
break;
}
if (!(*pSrc & 0x80) || (*pSrc <= 0xF0)) {
if (updateFlag)
updateActiveChannel();