BLADERUNNER: Added audio mixer & various fixes

Audio mixer is supporting fading and pan animation
Added support for skipping speech by pressing Return
Added proper support for ambient sounds
Added more code to the dialogue menu
Added tooltips to the Spinner
Fixed calculation of volume and pan of walk steps
Code cleanup & formatting

1 files changed, 31 insertions, 29 deletions

diff --git a/engines/bladerunner/vqa_player.cpp b/engines/bladerunner/vqa_player.cpp
index f6eecc85ed..12baa26d76 100644
--- a/engines/bladerunner/vqa_player.cpp
+++ b/engines/bladerunner/vqa_player.cpp
@@ -108,42 +108,40 @@ int VQAPlayer::update() {
 		return -3;
 	}
 
+	if (now < _frameNextTime) {
+		return -1;
+	}
+
+	int frame = _frameNext;
+	_decoder.readFrame(_frameNext, 0x2);
+	_decoder.decodeVideoFrame();
 
-//	TODO: preload audio in better way
-	int audioPreloadFrames = 3;
-
-	if (now >= _frameNextTime) {
-		int frame = _frameNext;
-		_decoder.readFrame(_frameNext, 0x2);
-		_decoder.decodeVideoFrame();
-
-		if (_hasAudio) {
-			if (!_audioStarted) {
-				for (int i = 0; i < audioPreloadFrames; i++) {
-					if (_frameNext + i < _frameEnd) {
-						_decoder.readFrame(_frameNext + i, 0x1);
-						queueAudioFrame(_decoder.decodeAudioFrame());
-					}
+	int audioPreloadFrames = 14;
+
+	if (_hasAudio) {
+		if (!_audioStarted) {
+			for (int i = 0; i < audioPreloadFrames; i++) {
+				if (_frameNext + i < _frameEnd) {
+					_decoder.readFrame(_frameNext + i, 0x1);
+					queueAudioFrame(_decoder.decodeAudioFrame());
 				}
-				_vm->_mixer->playStream(Audio::Mixer::kPlainSoundType, &_soundHandle, _audioStream);
-				_audioStarted = true;
-			}
-			if (_frameNext + audioPreloadFrames < _frameEnd) {
-				_decoder.readFrame(_frameNext + audioPreloadFrames, 0x1);
-				queueAudioFrame(_decoder.decodeAudioFrame());
 			}
+			_vm->_mixer->playStream(Audio::Mixer::kPlainSoundType, &_soundHandle, _audioStream);
+			_audioStarted = true;
 		}
-		if (_frameNextTime == 0) {
-			_frameNextTime = now + 60000 / 15;
-		} else {
-			_frameNextTime += 60000 / 15;
+		if (_frameNext + audioPreloadFrames < _frameEnd) {
+			_decoder.readFrame(_frameNext + audioPreloadFrames, 0x1);
+			queueAudioFrame(_decoder.decodeAudioFrame());
 		}
-
-		_frameNext++;
-		return frame;
+	}
+	if (_frameNextTime == 0) {
+		_frameNextTime = now + 60000 / 15;
+	} else {
+		_frameNextTime += 60000 / 15;
 	}
 
-	return -1;
+	_frameNext++;
+	return frame;
 }
 
 void VQAPlayer::updateZBuffer(ZBuffer *zbuffer) {
@@ -159,7 +157,9 @@ void VQAPlayer::updateLights(Lights *lights) {
 }
 
 bool VQAPlayer::setLoop(int loop, int repeatsCount, int loopSetMode, void (*callback)(void *, int, int), void *callbackData) {
+#if 0
 	debug("VQAPlayer::setBeginAndEndFrameFromLoop(%i, %i, %i), streamLoaded = %i", loop, repeatsCount, loopSetMode, _s != nullptr);
+#endif
 	if (_s == nullptr) {
 		_loopInitial = loop;
 		_repeatsCountInitial = repeatsCount;
@@ -178,7 +178,9 @@ bool VQAPlayer::setLoop(int loop, int repeatsCount, int loopSetMode, void (*call
 }
 
 bool VQAPlayer::setBeginAndEndFrame(int begin, int end, int repeatsCount, int loopSetMode, void (*callback)(void *, int, int), void *callbackData) {
+#if 0
 	debug("VQAPlayer::setBeginAndEndFrame(%i, %i, %i, %i), streamLoaded = %i", begin, end, repeatsCount, loopSetMode, _s != nullptr);
+#endif
 
 	if (repeatsCount < 0) {
 		repeatsCount = -1;