[Scummvm-git-logs] scummvm master -> 924a62b40b271f065528f68fa86a28dcb0d0f9a6

aquadran aquadran at gmail.com
Thu Nov 12 05:40:46 UTC 2020


This automated email contains information about 1 new commit which have been
pushed to the 'scummvm' repo located at https://github.com/scummvm/scummvm .

Summary:
924a62b40b SCUMM: COMI: Fix #4635/#10473 and #4391 (iMUSE Digital) (#2596)


Commit: 924a62b40b271f065528f68fa86a28dcb0d0f9a6
    https://github.com/scummvm/scummvm/commit/924a62b40b271f065528f68fa86a28dcb0d0f9a6
Author: AndywinXp (andywinxp at gmail.com)
Date: 2020-11-12T06:40:43+01:00

Commit Message:
SCUMM: COMI: Fix #4635/#10473 and #4391 (iMUSE Digital) (#2596)

* SCUMM: COMI: Fix iMUSE Digital #4635/#10473 bugs
* SCUMM: COMI: Fix #4391 iMUSE Digital fades
Co-authored-by: Andrea Boscarino <andrea.boscarino at studio.unibo.it>

Changed paths:
    engines/scumm/imuse_digi/dimuse.cpp
    engines/scumm/imuse_digi/dimuse.h
    engines/scumm/imuse_digi/dimuse_music.cpp
    engines/scumm/imuse_digi/dimuse_script.cpp
    engines/scumm/imuse_digi/dimuse_track.cpp


diff --git a/engines/scumm/imuse_digi/dimuse.cpp b/engines/scumm/imuse_digi/dimuse.cpp
index de5b1634ed..28cf2c7942 100644
--- a/engines/scumm/imuse_digi/dimuse.cpp
+++ b/engines/scumm/imuse_digi/dimuse.cpp
@@ -218,29 +218,64 @@ void IMuseDigital::callback() {
 				return;
 
 			if (track->volFadeUsed) {
-				if (track->volFadeStep < 0) {
-					if (track->vol > track->volFadeDest) {
-						track->vol += track->volFadeStep;
-						if (track->vol < track->volFadeDest) {
-							track->vol = track->volFadeDest;
-							track->volFadeUsed = false;
+				if (_vm->_game.id == GID_CMI) {
+					if (track->vol == track->volFadeDest) // Sanity check
+						track->volFadeUsed = false;
+
+					if (track->volFadeStep < 0) { // Fade out
+						if (track->vol > track->volFadeDest) {
+							int tempVolume = transformVolumeEqualPowToLinear(track->vol, 1); // Equal power to linear...
+							tempVolume += track->volFadeStep; // Remove step...
+							track->vol = transformVolumeLinearToEqualPow(tempVolume, 1); // Linear to equal power...
+
+							if (track->vol <= track->volFadeDest) {
+								track->vol = track->volFadeDest;
+								track->volFadeUsed = false;
+								flushTrack(track);
+								continue;
+							}
+							if (track->vol == 0) {
+								// Fade out complete -> remove this track
+								flushTrack(track);
+								continue;
+							}
 						}
-						if (track->vol == 0) {
-							// Fade out complete -> remove this track
-							flushTrack(track);
-							continue;
+					} else if (track->volFadeStep > 0) { // Fade in
+						if (track->vol < track->volFadeDest) {
+							int tempVolume = transformVolumeEqualPowToLinear(track->vol, 1); // Equal power to linear...
+							tempVolume += track->volFadeStep; // Add step...
+							track->vol = transformVolumeLinearToEqualPow(tempVolume, 1); // Linear to equal power...
+							if (track->vol >= track->volFadeDest) {
+								track->vol = track->volFadeDest;
+								track->volFadeUsed = false;
+							}
 						}
 					}
-				} else if (track->volFadeStep > 0) {
-					if (track->vol < track->volFadeDest) {
-						track->vol += track->volFadeStep;
+				} else {
+					if (track->volFadeStep < 0) {
 						if (track->vol > track->volFadeDest) {
-							track->vol = track->volFadeDest;
-							track->volFadeUsed = false;
+							track->vol += track->volFadeStep; 
+							if (track->vol < track->volFadeDest) {
+								track->vol = track->volFadeDest;
+								track->volFadeUsed = false;
+							}
+							if (track->vol == 0) {
+								// Fade out complete -> remove this track
+								flushTrack(track);
+								continue;
+							}
+						}
+					} else if (track->volFadeStep > 0) {
+						if (track->vol < track->volFadeDest) {
+							track->vol += track->volFadeStep;
+							if (track->vol > track->volFadeDest) {
+								track->vol = track->volFadeDest;
+								track->volFadeUsed = false;
+							}
 						}
 					}
 				}
-				debug(5, "Fade: sound(%d), Vol(%d)", track->soundId, track->vol / 1000);
+ 				debug(5, "Fade: sound(%d), Vol(%d) in track(%d)", track->soundId, track->vol / 1000, track->trackId);
 			}
 
 			if (!track->souStreamUsed) {
@@ -407,25 +442,30 @@ void IMuseDigital::switchToNextRegion(Track *track) {
 			int fadeDelay = (60 * _sound->getJumpFade(soundDesc, jumpId)) / 1000;
 			debug(5, "SwToNeReg(trackId:%d) - sound(%d) match hookId", track->trackId, track->soundId);
 			if (fadeDelay) {
-				debug(5, "SwToNeReg(trackId:%d) - call cloneToFadeOutTrack(delay:%d)", track->trackId, fadeDelay);
-				Track *fadeTrack = cloneToFadeOutTrack(track, fadeDelay);
-				if (fadeTrack) {
-					fadeTrack->dataOffset = _sound->getRegionOffset(fadeTrack->soundDesc, fadeTrack->curRegion);
-					fadeTrack->regionOffset = 0;
-					debug(5, "SwToNeReg(trackId:%d) - sound(%d) faded track, select region %d, curHookId: %d", fadeTrack->trackId, fadeTrack->soundId, fadeTrack->curRegion, fadeTrack->curHookId);
-					fadeTrack->curHookId = 0;
-				}
+				// COMI specific: jump to new region without true crossfades; this is not true to the original interpreter,
+				// but crossfading between regions in the correct way requires an implementation which is more complex.
+				// Leaving as is, for now.
+				if (_vm->_game.id != GID_CMI) {
+					debug(5, "SwToNeReg(trackId:%d) - call cloneToFadeOutTrack(delay:%d)", track->trackId, fadeDelay);
+					Track *fadeTrack = cloneToFadeOutTrack(track, fadeDelay);
+					if (fadeTrack) {
+						fadeTrack->dataOffset = _sound->getRegionOffset(fadeTrack->soundDesc, fadeTrack->curRegion);
+						fadeTrack->regionOffset = 0;
+						debug(5, "SwToNeReg(trackId:%d) - sound(%d) faded track, select region %d, curHookId: %d", fadeTrack->trackId, fadeTrack->soundId, fadeTrack->curRegion, fadeTrack->curHookId);
+						fadeTrack->curHookId = 0;
+					}
+				}	
 			}
 			track->curRegion = region;
 			debug(5, "SwToNeReg(trackId:%d) - sound(%d) jump to region %d, curHookId: %d", track->trackId, track->soundId, track->curRegion, track->curHookId);
 			track->curHookId = 0;
+			
 		} else {
 			debug(5, "SwToNeReg(trackId:%d) - Normal switch region, sound(%d), hookId(%d)", track->trackId, track->soundId, track->curHookId);
 		}
 	} else {
 		debug(5, "SwToNeReg(trackId:%d) - Normal switch region, sound(%d), hookId(%d)", track->trackId, track->soundId, track->curHookId);
 	}
-
 	debug(5, "SwToNeReg(trackId:%d) - sound(%d), select region %d", track->trackId, track->soundId, track->curRegion);
 	track->dataOffset = _sound->getRegionOffset(soundDesc, track->curRegion);
 	track->regionOffset = 0;
diff --git a/engines/scumm/imuse_digi/dimuse.h b/engines/scumm/imuse_digi/dimuse.h
index e289ec7138..485922d3fc 100644
--- a/engines/scumm/imuse_digi/dimuse.h
+++ b/engines/scumm/imuse_digi/dimuse.h
@@ -105,7 +105,10 @@ private:
 	void setTrigger(TriggerParams *trigger);
 	void setHookIdForMusic(int hookId);
 	Track *cloneToFadeOutTrack(Track *track, int fadeDelay);
-
+	Track *handleComiFadeOut(Track *track, int fadeDelay);
+	int transformVolumeLinearToEqualPow(int volume, int mode);
+	int transformVolumeEqualPowToLinear(int volume, int mode);
+	
 	void setFtMusicState(int stateId);
 	void setFtMusicSequence(int seqId);
 	void setFtMusicCuePoint(int cueId);
diff --git a/engines/scumm/imuse_digi/dimuse_music.cpp b/engines/scumm/imuse_digi/dimuse_music.cpp
index 281d06b150..5c3cf30dbd 100644
--- a/engines/scumm/imuse_digi/dimuse_music.cpp
+++ b/engines/scumm/imuse_digi/dimuse_music.cpp
@@ -321,8 +321,6 @@ void IMuseDigital::playComiMusic(const char *songName, const imuseComiTable *tab
 		}
 		if (getCurMusicSoundId() == table->soundId)
 			return;
-		if (table->transitionType == 4)
-			_stopingSequence = 1;
 		if (table->transitionType == 2) {
 			fadeOutMusic(table->fadeOutDelay);
 			startMusic(table->filename, table->soundId, table->hookId, 127);
diff --git a/engines/scumm/imuse_digi/dimuse_script.cpp b/engines/scumm/imuse_digi/dimuse_script.cpp
index 8d1e7a4bfd..f5b5f19560 100644
--- a/engines/scumm/imuse_digi/dimuse_script.cpp
+++ b/engines/scumm/imuse_digi/dimuse_script.cpp
@@ -166,7 +166,7 @@ void IMuseDigital::flushTrack(Track *track) {
 	if (track->souStreamUsed) {
 		_mixer->stopHandle(track->mixChanHandle);
 	} else if (track->stream) {
-		debug(5, "flushTrack() - soundId:%d", track->soundId);
+		debug(5, "flushTrack(trackId: %d) - soundId:%d", track->trackId, track->soundId);
 		// Finalize the appendable stream, then remove our reference to it.
 		// Note that there might still be some data left in the buffers of the
 		// appendable stream. We play it nice and wait till all of it
@@ -190,7 +190,7 @@ void IMuseDigital::flushTracks() {
 	for (int l = 0; l < MAX_DIGITAL_TRACKS + MAX_DIGITAL_FADETRACKS; l++) {
 		Track *track = _track[l];
 		if (track->used && track->toBeRemoved && !_mixer->isSoundHandleActive(track->mixChanHandle)) {
-			debug(5, "flushTracks() - soundId:%d", track->soundId);
+			debug(5, "flushTracks() - trackId:%d, soundId:%d", track->trackId, track->soundId);
 			track->reset();
 		}
 	}
diff --git a/engines/scumm/imuse_digi/dimuse_track.cpp b/engines/scumm/imuse_digi/dimuse_track.cpp
index 92ef823db1..6107b02ef0 100644
--- a/engines/scumm/imuse_digi/dimuse_track.cpp
+++ b/engines/scumm/imuse_digi/dimuse_track.cpp
@@ -158,11 +158,26 @@ void IMuseDigital::startSound(int soundId, const char *soundName, int soundType,
 		} else
 			error("IMuseDigital::startSound(): Can't handle %d bit samples", bits);
 
+		int fadeDelay = 30; // Default fade value if not found anywhere else
+
 		if (otherTrack && otherTrack->used && !otherTrack->toBeRemoved) {
 			track->curRegion = otherTrack->curRegion;
 			track->dataOffset = otherTrack->dataOffset;
 			track->regionOffset = otherTrack->regionOffset;
 			track->dataMod12Bit = otherTrack->dataMod12Bit;
+
+			if (_vm->_game.id == GID_CMI) {
+				fadeDelay = otherTrack->volFadeDelay != 0 ? otherTrack->volFadeDelay : fadeDelay;
+				track->regionOffset -= track->regionOffset >= (track->feedSize / _callbackFps) ? (track->feedSize / _callbackFps) : 0;
+			}
+		}
+		if (_vm->_game.id == GID_CMI) {
+			// Fade in the new track
+			track->vol = 0;
+			track->volFadeDelay = fadeDelay;
+			track->volFadeDest = volume * 1000;
+			track->volFadeStep = (track->volFadeDest - track->vol) * 60 * (1000 / _callbackFps) / (1000 * fadeDelay);
+			track->volFadeUsed = true;
 		}
 
 		track->stream = Audio::makeQueuingAudioStream(freq, track->mixerFlags & kFlagStereo);
@@ -279,9 +294,18 @@ void IMuseDigital::fadeOutMusicAndStartNew(int fadeDelay, const char *filename,
 		Track *track = _track[l];
 		if (track->used && !track->toBeRemoved && (track->volGroupId == IMUSE_VOLGRP_MUSIC)) {
 			debug(5, "IMuseDigital::fadeOutMusicAndStartNew(sound:%d) - starting", soundId);
-			startMusicWithOtherPos(filename, soundId, 0, 127, track);
-			cloneToFadeOutTrack(track, fadeDelay);
-			flushTrack(track);
+
+			// Store the fadeDelay in the track: startMusicWithOtherPos will use it to 
+			// fade in the new track; this will match fade in and fade out speeds.
+			if (_vm->_game.id == GID_CMI) {
+				track->volFadeDelay = fadeDelay;
+				startMusicWithOtherPos(filename, soundId, 0, 127, track);
+				handleComiFadeOut(track, fadeDelay);
+			} else {
+				startMusicWithOtherPos(filename, soundId, 0, 127, track);
+				cloneToFadeOutTrack(track, fadeDelay);
+				flushTrack(track);
+			}
 			break;
 		}
 	}
@@ -295,8 +319,12 @@ void IMuseDigital::fadeOutMusic(int fadeDelay) {
 		Track *track = _track[l];
 		if (track->used && !track->toBeRemoved && (track->volGroupId == IMUSE_VOLGRP_MUSIC)) {
 			debug(5, "IMuseDigital::fadeOutMusic(fade:%d, sound:%d)", fadeDelay, track->soundId);
-			cloneToFadeOutTrack(track, fadeDelay);
-			flushTrack(track);
+			if (_vm->_game.id == GID_CMI) {
+				handleComiFadeOut(track, fadeDelay);
+			} else {
+				cloneToFadeOutTrack(track, fadeDelay);
+				flushTrack(track);
+			}
 			break;
 		}
 	}
@@ -324,6 +352,16 @@ void IMuseDigital::setTrigger(TriggerParams *trigger) {
 	_triggerUsed = true;
 }
 
+Track *IMuseDigital::handleComiFadeOut(Track *track, int fadeDelay) {
+	track->volFadeDelay = fadeDelay;
+	track->volFadeDest = 0;
+	track->volFadeStep = (track->volFadeDest - track->vol) * 60 * (1000 / _callbackFps) / (1000 * fadeDelay);
+	track->volFadeUsed = true;
+	track->toBeRemoved = true;
+	return track;
+}
+
+
 Track *IMuseDigital::cloneToFadeOutTrack(Track *track, int fadeDelay) {
 	assert(track);
 	Track *fadeTrack;
@@ -337,7 +375,6 @@ Track *IMuseDigital::cloneToFadeOutTrack(Track *track, int fadeDelay) {
 
 	assert(track->trackId < MAX_DIGITAL_TRACKS);
 	fadeTrack = _track[track->trackId + MAX_DIGITAL_TRACKS];
-
 	if (fadeTrack->used) {
 		debug(5, "cloneToFadeOutTrack: No free fade track, force flush fade soundId:%d", fadeTrack->soundId);
 		flushTrack(fadeTrack);
@@ -368,10 +405,98 @@ Track *IMuseDigital::cloneToFadeOutTrack(Track *track, int fadeDelay) {
 	fadeTrack->stream = Audio::makeQueuingAudioStream(_sound->getFreq(fadeTrack->soundDesc), track->mixerFlags & kFlagStereo);
 	_mixer->playStream(track->getType(), &fadeTrack->mixChanHandle, fadeTrack->stream, -1, fadeTrack->getVol(), fadeTrack->getPan());
 	fadeTrack->used = true;
-
 	debug(5, "cloneToFadeOutTrack() - end of func, soundId %d, fade soundId %d", track->soundId, fadeTrack->soundId);
 
 	return fadeTrack;
 }
 
+int IMuseDigital::transformVolumeLinearToEqualPow(int volume, int mode) {
+	if (volume == 0 || volume == 127000)
+		return volume;
+
+	int result = volume;
+	if (!(volume < 0 || volume > 127000)) {
+		// Change range of values from 0-127*1000 to 0.0-1.0
+		double mappedValue = (((volume - 0) * (1.0 - 0.0)) / (127000 - 0)) + 0;
+		double eqPowValue;
+
+		switch (mode) {
+		case 0:  // Sqrt curve
+			eqPowValue = sqrt(mappedValue);
+			break;
+		case 1:  // Quarter sine curve
+			eqPowValue = sin(mappedValue * M_PI / 2.0);
+			break;
+		case 2:  // Parabola
+			eqPowValue = (1 - (1 - mappedValue) * (1 - mappedValue));
+			break;
+		case 3:  // Logarithmic 1
+			eqPowValue = 1 + 0.2 * log10(mappedValue);
+			break;
+		case 4:  // Logarithmic 2
+			eqPowValue = 1 + 0.5 * log10(mappedValue);
+			break;
+		case 5:  // Logarithmic 3
+			eqPowValue = 1 + 0.7 * log10(mappedValue);
+			break;
+		case 6:  // Half sine curve
+			eqPowValue = (1.0 - cos(mappedValue * M_PI)) / 2.0;
+		default: // Fallback to linear
+			eqPowValue = mappedValue;
+			break;
+		}
+
+		// Change range again, this time round the result
+		result = (((eqPowValue - 0.0) * (127000 - 0)) / (1.0 - 0.0)) + 0.0;
+		result = (int)round(result);
+	}
+
+	return result;
+}
+
+int IMuseDigital::transformVolumeEqualPowToLinear(int volume, int mode) {
+	if (volume == 0 || volume == 127000)
+		return volume;
+
+	int result = volume;
+	if (!(volume < 0 || volume > 127000)) {
+		// Change range of values from 0-127*1000 to 0.0-1.0
+		double mappedValue = (((volume - 0) * (1.0 - 0.0)) / (127000 - 0)) + 0;
+		double linearValue;
+
+		switch (mode) {
+		case 0:  // Sqrt curve
+			linearValue = mappedValue * mappedValue;
+			break;
+		case 1:  // Quarter sine curve
+			linearValue = 0.63662 * asin(mappedValue);
+			break;
+		case 2:  // Parabola
+			linearValue = 1 - sqrt(1 - mappedValue);
+			break;
+		case 3:  // Logarithmic 1
+			linearValue = 0.00001 * pow(M_E, 11.5129 * mappedValue);
+			break;
+		case 4:  // Logarithmic 2
+			linearValue = 0.01 * pow(M_E, 4.60517 * mappedValue);
+			break;
+		case 5:  // Logarithmic 3
+			linearValue = 0.0372759 * pow(M_E, 3.28941 * mappedValue);
+			break;
+		case 6:  // Half sine curve
+			linearValue = (2 * asin(sqrt(mappedValue))) / M_PI; // Ricontrolla
+			break;
+		default: // Fallback to linear
+			linearValue = mappedValue;
+			break;
+		}
+
+		// Change range again, this time round the result
+		result = (((linearValue - 0.0) * (127000 - 0)) / (1.0 - 0.0)) + 0.0;
+		result = (int)round(result);
+	}
+
+	return result;
+}
+
 } // End of namespace Scumm




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