BLADERUNNER: Fix missing sound effects in some occassions

LABBUZZ sound for the maze and Animoid sounds

Moved lab buzz in next scene's (PS10) init, and increased size of track buffer to compensate for frequently dropping sounds in places with mayne sound effects (eg Animoid Row, Izo's door and trapdoor)

engines/bladerunner/audio_mixer.cpp

@@ -28,6 +28,7 @@
 #include "audio/mixer.h"
 
 #include "common/timer.h"
+//#include "common/debug.h"
 
 namespace BladeRunner {
 
@@ -64,8 +65,10 @@ int AudioMixer::play(Audio::Mixer::SoundType type, Audio::RewindableAudioStream
 	}
 	if (channel == -1) {
 		if (priority < lowestPriority) {
+			//debug("No available audio channel found - giving up");
 			return -1;
 		}
+		//debug("Stopping lowest priority channel %d with lower prio %d!", lowestPriorityChannel, lowestPriority);
 		stop(lowestPriorityChannel, 0);
 		channel = lowestPriorityChannel;
 	}

engines/bladerunner/audio_mixer.h

@@ -33,9 +33,9 @@ namespace BladeRunner {
 class BladeRunnerEngine;
 
 class AudioMixer {
-	static const int kChannels = 9;
-	static const int kUsableChannels = 8;
-	static const int kMusicChannel = 8;
+	static const int kChannels         = 15; // original was 9;
+	static const int kUsableChannels   = 14; // original was 8;
+	static const int kMusicChannel     = 14; // original was 8;
 	static const int kUpdatesPerSecond = 40;
 
 	struct Channel {

engines/bladerunner/audio_player.cpp

@@ -41,7 +41,7 @@ namespace BladeRunner {
 AudioPlayer::AudioPlayer(BladeRunnerEngine *vm) {
 	_vm = vm;
 
-	for (int i = 0; i != 6; ++i) {
+	for (int i = 0; i != kTracks; ++i) {
 		_tracks[i].priority = 0;
 		_tracks[i].isActive = false;
 		_tracks[i].channel = -1;
@@ -138,8 +138,9 @@ int AudioPlayer::playAud(const Common::String &name, int volume, int panFrom, in
 	int lowestPriority = 1000000;
 	int lowestPriorityTrack = -1;
 
-	for (int i = 0; i != 6; ++i) {
+	for (int i = 0; i != kTracks; ++i) {
 		if (!isActive(i)) {
+			//debug ("Assigned track %i to %s", i, name.c_str());
 			track = i;
 			break;
 		}
@@ -154,12 +155,14 @@ int AudioPlayer::playAud(const Common::String &name, int volume, int panFrom, in
 	 * the new priority
 	 */
 	if (track == -1 && lowestPriority < priority) {
+		//debug ("Stop lowest priority  track (with lower prio: %d %d), for %s %d!", lowestPriorityTrack, lowestPriority, name.c_str(), priority);
 		stop(lowestPriorityTrack, true);
 		track = lowestPriorityTrack;
 	}
 
 	/* If there's still no available track, give up */
 	if (track == -1) {
+		//debug ("No available track for %s %d - giving up", name.c_str(), priority);
 		return -1;
 	}
 
@@ -168,13 +171,15 @@ int AudioPlayer::playAud(const Common::String &name, int volume, int panFrom, in
 	if (!_vm->_audioCache->findByHash(hash)) {
 		Common::SeekableReadStream *r = _vm->getResourceStream(name);
 		if (!r) {
+			//debug ("Could not get stream for %s %d - giving up", name.c_str(), priority);
 			return -1;
 		}
 
 		int32 size = r->size();
 		while (!_vm->_audioCache->canAllocate(size)) {
 			if (!_vm->_audioCache->dropOldest()) {
 				delete r;
+				//debug ("No available mem in cache for %s %d - giving up", name.c_str(), priority);
 				return -1;
 			}
 		}
@@ -201,6 +206,7 @@ int AudioPlayer::playAud(const Common::String &name, int volume, int panFrom, in
 
 	if (channel == -1) {
 		delete audioStream;
+		//debug ("No available channel for %s %d - giving up", name.c_str(), priority);
 		return -1;
 	}
 

engines/bladerunner/audio_player.h

@@ -41,7 +41,7 @@ enum AudioPlayerFlags {
 };
 
 class AudioPlayer {
-	static const int kTracks = 6;
+	static const int kTracks = 12; // original was 6
 
 	struct Track {
 		bool                isActive;

engines/bladerunner/script/scene/ps10.cpp

@@ -416,6 +416,11 @@ void SceneScriptPS10::InitializeScene() {
 	Ambient_Sounds_Add_Sound(306,  5, 100, 17, 27, -100, 100, -101, -101, 0, 0);
 	Ambient_Sounds_Add_Sound(307,  5, 100, 17, 27, -100, 100, -101, -101, 0, 0);
 	Ambient_Sounds_Add_Sound(308,  5, 100, 17, 27, -100, 100, -101, -101, 0, 0);
+#if BLADERUNNER_ORIGINAL_BUGS
+#else
+	// Moved here from PS15
+	Sound_Play(155, 90, 0, 0, 50);  // LABBUZZ1.AUD
+#endif // BLADERUNNER_ORIGINAL_BUGS
 }
 
 void SceneScriptPS10::SceneLoaded() {

engines/bladerunner/script/scene/ps15.cpp

@@ -123,7 +123,12 @@ bool SceneScriptPS15::ClickedOnExit(int exitId) {
 		if (!Loop_Actor_Walk_To_XYZ(kActorMcCoy, -183.58f, -113.43f, 91.7f, 0, true, false, 0)) {
 			Actor_Says(kActorMcCoy, 4440, 18);
 			Actor_Says(kActorSergeantWalls, 150, 17);
-			Sound_Play(155, 90, 0, 0, 50);
+#if BLADERUNNER_ORIGINAL_BUGS
+			// Sometimes the scene transition code (or the Ambient_Sounds_Remove_All_Non_Looping_Sounds)
+			// would stop this from playing (rare occasions)
+			// Solution: moved into PS10 code
+			Sound_Play(155, 90, 0, 0, 50);  // LABBUZZ1.AUD
+#endif // BLADERUNNER_ORIGINAL_BUGS
 			Ambient_Sounds_Remove_All_Non_Looping_Sounds(true);
 			Ambient_Sounds_Remove_All_Looping_Sounds(1);
 			Set_Enter(kSetPS10_PS11_PS12_PS13, kScenePS10);