From 0a965ced69bbc28ce16e9ae4e80a74a60f95a5e1 Mon Sep 17 00:00:00 2001
From: Martin Kiewitz
Date: Fri, 1 Jan 2010 22:15:52 +0000
Subject: SCI/newmusic: changed setting volume from fade logic, implemented
 updating loop selector for sound fx

svn-id: r46856
---
 engines/sci/sfx/music.cpp    | 11 ++++++-----
 engines/sci/sfx/music.h      |  2 ++
 engines/sci/sfx/soundcmd.cpp | 14 +++++++++++---
 3 files changed, 19 insertions(+), 8 deletions(-)

(limited to 'engines/sci/sfx')

diff --git a/engines/sci/sfx/music.cpp b/engines/sci/sfx/music.cpp
index 8a5f55f7c0..01771935c0 100644
--- a/engines/sci/sfx/music.cpp
+++ b/engines/sci/sfx/music.cpp
@@ -359,9 +359,8 @@ void SciMusic::soundInitSnd(MusicEntry *pSnd) {
 
 void SciMusic::onTimer() {
 	const MusicList::iterator end = _playList.end();
-	for (MusicList::iterator i = _playList.begin(); i != end; ++i) {
+	for (MusicList::iterator i = _playList.begin(); i != end; ++i)
 		(*i)->onTimer(_soundVersion);
-	}
 }
 
 void SciMusic::soundPlay(MusicEntry *pSnd) {
@@ -521,11 +520,13 @@ MusicEntry::MusicEntry() {
 	hold = 0;
 
 	pauseCounter = 0;
+	sampleLoopCounter = 0;
 
 	fadeTo = 0;
 	fadeStep = 0;
 	fadeTicker = 0;
 	fadeTickerStep = 0;
+	fadeVolumeSet = false;
 
 	status = kSoundStopped;
 
@@ -542,6 +543,7 @@ void MusicEntry::onTimer(SciVersion soundVersion) {
 	if (status != kSoundPlaying)
 		return;
 
+	// Fade MIDI and digital sound effects
 	if (fadeStep)
 		doFade();
 
@@ -569,9 +571,8 @@ void MusicEntry::doFade() {
 		// Only process MIDI streams in this thread, not digital sound effects
 		if (pMidiParser)
 			pMidiParser->setVolume(volume);
-		// TODO: create onTimer within audio.cpp to do the handling there, if we do it in cmdUpdateCues it wont
-		//  work right, because the last volume set won't get done at all. Also we are fading digital sound effects
-		//  currently here in any case currently. Fade code should get moved to void SciMusic::onTimer()
+		if (pStreamAud)
+			fadeVolumeSet = true; // set flag so that SoundCommandParser::cmdUpdateCues will set the volume of the stream
 	}
 }
 
diff --git a/engines/sci/sfx/music.h b/engines/sci/sfx/music.h
index f1202ab822..a1458b234c 100644
--- a/engines/sci/sfx/music.h
+++ b/engines/sci/sfx/music.h
@@ -87,11 +87,13 @@ public:
 	byte hold;
 
 	int16 pauseCounter;
+	uint sampleLoopCounter;
 
 	byte fadeTo;
 	short fadeStep;
 	uint32 fadeTicker;
 	uint32 fadeTickerStep;
+	bool fadeVolumeSet;
 
 	SoundStatus status;
 
diff --git a/engines/sci/sfx/soundcmd.cpp b/engines/sci/sfx/soundcmd.cpp
index 12c909493b..3c1f9b62ef 100644
--- a/engines/sci/sfx/soundcmd.cpp
+++ b/engines/sci/sfx/soundcmd.cpp
@@ -775,7 +775,12 @@ void SoundCommandParser::cmdUpdateCues(reg_t obj, int16 value) {
 	Audio::Mixer *mixer = g_system->getMixer();
 
 	if (musicSlot->pStreamAud) {
-		
+		uint currentLoopCounter = musicSlot->pStreamAud->getNumPlayedLoops();
+		if (currentLoopCounter != musicSlot->sampleLoopCounter) {
+			// during last time we looped at least one time, update loop accordingly
+			musicSlot->loop -= currentLoopCounter - musicSlot->sampleLoopCounter;
+			musicSlot->sampleLoopCounter = currentLoopCounter;
+		}
 		// TODO: We need to update loop selector here, when sample is looping
 		if (!mixer->isSoundHandleActive(musicSlot->hCurrentAud)) {
 			musicSlot->ticker = SIGNAL_OFFSET;
@@ -784,8 +789,11 @@ void SoundCommandParser::cmdUpdateCues(reg_t obj, int16 value) {
 		} else {
 			musicSlot->ticker = (uint16)(mixer->getSoundElapsedTime(musicSlot->hCurrentAud) * 0.06);
 		}
-		if (musicSlot->fadeStep)
-				mixer->setChannelVolume(musicSlot->hCurrentAud, musicSlot->volume);
+		// We get a flag from MusicEntry::doFade() here to set volume for the stream
+		if (musicSlot->fadeVolumeSet) {
+			mixer->setChannelVolume(musicSlot->hCurrentAud, musicSlot->volume);
+			musicSlot->fadeVolumeSet = false;
+		}
 	}
 
 	_music->_mutex.lock();	// and lock again
-- 
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