[Scummvm-cvs-logs] CVS: scummvm/backends/midi/mt32 part.cpp,1.2,1.3 part.h,1.2,1.3 partial.cpp,1.8,1.9 partialManager.cpp,1.1,1.2 partialManager.h,1.1,1.2 structures.h,1.8,1.9

Jerome Fisher kingguppy at users.sourceforge.net
Sat Nov 13 20:41:04 CET 2004 

Update of /cvsroot/scummvm/scummvm/backends/midi/mt32
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv23677

Modified Files:
	part.cpp part.h partial.cpp partialManager.cpp 
	partialManager.h structures.h 
Log Message:
- More cleanup.
- Note-on MIDI commands outside the range 12-108 are now raised/lowered by octaves until in range (instead of being ignored).


Index: part.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/backends/midi/mt32/part.cpp,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- part.cpp	14 Nov 2004 04:13:14 -0000	1.2
+++ part.cpp	14 Nov 2004 04:40:12 -0000	1.3
@@ -215,7 +215,7 @@
 
 void Part::setPatch(int patchNum) {
 	int absTimbreNum = -1; // Initialised to please compiler
-	TimbreParam timSrc;
+	const TimbreParam *timbre;
 	if (isRhythm) {
 		// "patchNum" is treated as "timbreNum" for rhythm part
 		if (patchNum < 128) {
@@ -223,7 +223,7 @@
 			return;
 		}
 		absTimbreNum = patchNum;
-		timSrc = synth->mt32ram.params.timbres[absTimbreNum].timbre;
+		timbre = &synth->mt32ram.params.timbres[absTimbreNum].timbre;
 	} else {
 		if (patchNum >= 0) {
 			setPatch(&synth->mt32ram.params.patches[patchNum]);
@@ -231,21 +231,21 @@
 		if (patchNum >= 0) {
 			setTimbre(&synth->mt32ram.params.timbres[getAbsTimbreNum()].timbre);
 		}
-		timSrc = *timbreTemp;
+		timbre = timbreTemp;
 #if 0
 		// Immediately stop all partials on this part (this is apparently *not* the correct behaviour)
 		for (int m = 0; m < MT32EMU_MAX_POLY; m++) {
 			AbortPoly(poly);
 		}
 #else
-		// check if any partials are still playing on this part
+		// check if any partials are still playing with the old patch cache
 		// if so then duplicate the cached data from the part to the partial so that
 		// we can change the part's cache without affecting the partial.
-		// Hopefully this is fairly rare.
+		// We delay this until now to avoid a copy operation with every note played
 		for (int m = 0; m < MT32EMU_MAX_POLY; m++) {
 			for (int i = 0; i < 4; i++) {
 				Partial *partial = polyTable[m].partials[i];
-				if (partial != NULL) {
+				if (partial != NULL && partial->patchCache == &patchCache[i]) {
 					// copy cache data
 					partial->cachebackup = patchCache[i];
 					// update pointers
@@ -256,11 +256,11 @@
 #endif
 	}
 
-	memcpy(currentInstr, timSrc.common.name, 10);
+	memcpy(currentInstr, timbre->common.name, 10);
 
 	int partialCount = 0;
-	for (int t=0;t<4;t++) {
-		if ( ((timSrc.common.pmute >> (t)) & 0x1) == 1 ) {
+	for (int t = 0; t < 4; t++) {
+		if (((timbre->common.pmute >> t) & 0x1) == 1) {
 			patchCache[t].playPartial = true;
 			partialCount++;
 		} else {
@@ -270,31 +270,31 @@
 
 		// Calculate and cache common parameters
 
-		patchCache[t].pcm = timSrc.partial[t].wg.pcmwave;
-		patchCache[t].useBender = (timSrc.partial[t].wg.bender == 1);
+		patchCache[t].pcm = timbre->partial[t].wg.pcmwave;
+		patchCache[t].useBender = (timbre->partial[t].wg.bender == 1);
 
 		switch (t) {
 		case 0:
-			patchCache[t].PCMPartial = (PartialStruct[(int)timSrc.common.pstruct12] & 0x2) ? true : false;
-			patchCache[t].structureMix = PartialMixStruct[(int)timSrc.common.pstruct12];
+			patchCache[t].PCMPartial = (PartialStruct[(int)timbre->common.pstruct12] & 0x2) ? true : false;
+			patchCache[t].structureMix = PartialMixStruct[(int)timbre->common.pstruct12];
 			patchCache[t].structurePosition = 0;
 			patchCache[t].structurePair = 1;
 			break;
 		case 1:
-			patchCache[t].PCMPartial = (PartialStruct[(int)timSrc.common.pstruct12] & 0x1) ? true : false;
-			patchCache[t].structureMix = PartialMixStruct[(int)timSrc.common.pstruct12];
+			patchCache[t].PCMPartial = (PartialStruct[(int)timbre->common.pstruct12] & 0x1) ? true : false;
+			patchCache[t].structureMix = PartialMixStruct[(int)timbre->common.pstruct12];
 			patchCache[t].structurePosition = 1;
 			patchCache[t].structurePair = 0;
 			break;
 		case 2:
-			patchCache[t].PCMPartial = (PartialStruct[(int)timSrc.common.pstruct34] & 0x2) ? true : false;
-			patchCache[t].structureMix = PartialMixStruct[(int)timSrc.common.pstruct34];
+			patchCache[t].PCMPartial = (PartialStruct[(int)timbre->common.pstruct34] & 0x2) ? true : false;
+			patchCache[t].structureMix = PartialMixStruct[(int)timbre->common.pstruct34];
 			patchCache[t].structurePosition = 0;
 			patchCache[t].structurePair = 3;
 			break;
 		case 3:
-			patchCache[t].PCMPartial = (PartialStruct[(int)timSrc.common.pstruct34] & 0x1) ? true : false;
-			patchCache[t].structureMix = PartialMixStruct[(int)timSrc.common.pstruct34];
+			patchCache[t].PCMPartial = (PartialStruct[(int)timbre->common.pstruct34] & 0x1) ? true : false;
+			patchCache[t].structureMix = PartialMixStruct[(int)timbre->common.pstruct34];
 			patchCache[t].structurePosition = 1;
 			patchCache[t].structurePair = 2;
 			break;
@@ -302,15 +302,15 @@
 			break;
 		}
 
-		patchCache[t].waveform = timSrc.partial[t].wg.waveform;
-		patchCache[t].pulsewidth = timSrc.partial[t].wg.pulsewid;
-		patchCache[t].pwsens = timSrc.partial[t].wg.pwvelo;
-		patchCache[t].pitchkeyfollow = fixKeyfollow(timSrc.partial[t].wg.keyfollow, &patchCache[t].pitchkeydir);
+		patchCache[t].waveform = timbre->partial[t].wg.waveform;
+		patchCache[t].pulsewidth = timbre->partial[t].wg.pulsewid;
+		patchCache[t].pwsens = timbre->partial[t].wg.pwvelo;
+		patchCache[t].pitchkeyfollow = fixKeyfollow(timbre->partial[t].wg.keyfollow, &patchCache[t].pitchkeydir);
 
 		// Calculate and cache pitch stuff
-		patchCache[t].pitchshift = timSrc.partial[t].wg.coarse;
+		patchCache[t].pitchshift = timbre->partial[t].wg.coarse;
 		Bit32s pFine, fShift;
-		pFine = (Bit32s)timSrc.partial[t].wg.fine;
+		pFine = (Bit32s)timbre->partial[t].wg.fine;
 		if (isRhythm) {
 			patchCache[t].pitchshift += 24;
 			fShift = pFine + 50;
@@ -320,16 +320,16 @@
 		}
 		patchCache[t].fineshift = finetable[fShift];
 
-		patchCache[t].pitchEnv = timSrc.partial[t].env;
+		patchCache[t].pitchEnv = timbre->partial[t].env;
 		patchCache[t].pitchEnv.sensitivity = (char)((float)patchCache[t].pitchEnv.sensitivity*1.27);
 		patchCache[t].pitchsustain = patchCache[t].pitchEnv.level[3];
 
 		// Calculate and cache TVA envelope stuff
-		patchCache[t].ampEnv = timSrc.partial[t].tva;
+		patchCache[t].ampEnv = timbre->partial[t].tva;
 		for (int i = 0; i < 4; i++)
-			patchCache[t].ampEnv.envlevel[i] = (char)((float)patchCache[t].ampEnv.envlevel[i]*1.27);
-		patchCache[t].ampEnv.level = (char)((float)patchCache[t].ampEnv.level*1.27);
-		float tvelo = ((float)timSrc.partial[t].tva.velosens / 100.0f);
+			patchCache[t].ampEnv.envlevel[i] = (char)((float)patchCache[t].ampEnv.envlevel[i] * 1.27f);
+		patchCache[t].ampEnv.level = (char)((float)patchCache[t].ampEnv.level * 1.27f);
+		float tvelo = ((float)timbre->partial[t].tva.velosens / 100.0f);
 		float velo = fabs(tvelo-0.5f) * 2.0f;
 		velo *= 63.0f;
 		patchCache[t].ampEnv.velosens = (char)velo;
@@ -347,7 +347,7 @@
 		patchCache[t].amplevel = patchCache[t].ampEnv.level;
 
 		// Calculate and cache filter stuff
-		patchCache[t].filtEnv = timSrc.partial[t].tvf;
+		patchCache[t].filtEnv = timbre->partial[t].tvf;
 		patchCache[t].tvfdepth = patchCache[t].filtEnv.envdkf;
 		patchCache[t].filtkeyfollow  = fixKeyfollow(patchCache[t].filtEnv.keyfollow, &patchCache[t].keydir);
 		patchCache[t].filtEnv.envdepth = (char)((float)patchCache[t].filtEnv.envdepth * 1.27);
@@ -356,15 +356,15 @@
 		patchCache[t].filtsustain  = patchCache[t].filtEnv.envlevel[3];
 
 		// Calculate and cache LFO stuff
-		patchCache[t].lfodepth = timSrc.partial[t].lfo.depth;
-		patchCache[t].lfoperiod = lfotable[(int)timSrc.partial[t].lfo.rate];
-		patchCache[t].lforate = timSrc.partial[t].lfo.rate;
-		patchCache[t].modsense = timSrc.partial[t].lfo.modsense;
+		patchCache[t].lfodepth = timbre->partial[t].lfo.depth;
+		patchCache[t].lfoperiod = lfotable[(int)timbre->partial[t].lfo.rate];
+		patchCache[t].lforate = timbre->partial[t].lfo.rate;
+		patchCache[t].modsense = timbre->partial[t].lfo.modsense;
 	}
 	for (int t = 0; t < 4; t++) {
 		// Common parameters, stored redundantly
 		patchCache[t].partialCount = partialCount;
-		patchCache[t].sustain = (timSrc.common.nosustain == 0);
+		patchCache[t].sustain = (timbre->common.nosustain == 0);
 		if (isRhythm) {
 			patchCache[t].benderRange = 0;
 		} else {
@@ -380,7 +380,7 @@
 #if MT32EMU_MONITOR_INSTRUMENTS == 1
 	synth->printDebug("%s: Recache, param %d (timbre: %s)", name, patchNum, currentInstr);
 	for (int i = 0; i < 4; i++) {
-		synth->printDebug(" %d: play=%s, pcm=%s (%d), wave=%d", i, patchCache[i].playPartial ? "YES" : "NO", patchCache[i].PCMPartial ? "YES" : "NO", timSrc.partial[i].wg.pcmwave, timSrc.partial[i].wg.waveform);
+		synth->printDebug(" %d: play=%s, pcm=%s (%d), wave=%d", i, patchCache[i].playPartial ? "YES" : "NO", patchCache[i].PCMPartial ? "YES" : "NO", timbre->partial[i].wg.pcmwave, timbre->partial[i].wg.waveform);
 	}
 #endif
 }
@@ -395,55 +395,60 @@
 
 void Part::setPan(int pan) {
 	// FIXME:KG: This is unchangeable for drums (they always use drumPan), is that correct?
-	// FIXME:KG: There is no way to get a centred balance here... And the middle two
-	// pan settings have a distance of 1024, double the usual.
-	// Perhaps we should multiply by 516? 520? 520.111..?
-	// KG: Changed to 516, to mostly eliminate that jump in the middle
+	// FIXME:KG: Tweaked this a bit so that we have a left 100%, centre and right 100%
+	// (But this makes the range somewhat skewed)
 	if (pan < 64) {
 		volumesetting.leftvol = 32767;
-		volumesetting.rightvol = (Bit16s)(pan * 516);
+		volumesetting.rightvol = (Bit16s)(pan * 512);
+	} else if (pan == 64) {
+		volumesetting.leftvol = 32767;
+		volumesetting.rightvol = 32767;
 	} else {
 		volumesetting.rightvol = 32767;
-		volumesetting.leftvol = (Bit16s)((127 - pan) * 516);
+		volumesetting.leftvol = (Bit16s)((127 - pan) * 520);
 	}
 	//synth->printDebug("%s (%s): Set pan to %d", name, currentInstr, panpot);
 }
 
-void Part::playNote(PartialManager *partialManager, int f, int vel) {
+void Part::playNote(PartialManager *partialManager, unsigned int key, int vel) {
 	int drumNum = -1; // Initialised to please compiler
 	int drumTimbre = -1; // As above
 	int freqNum;
 
 	if (isRhythm) {
-		if (f < 24 || f > 87) {
-			synth->printDebug("%s: Attempted to play invalid note %d", name, f);
+		if (key < 24 || key > 87) {
+			synth->printDebug("%s: Attempted to play invalid key %d", name, key);
 			return;
 		}
-		drumNum = f - 24;
+		drumNum = key - 24;
 		drumTimbre = rhythmTemp[drumNum].timbre;
 		if (drumTimbre >= 94) {
-			synth->printDebug("%s: Attempted to play unmapped note %d!", name, f);
+			synth->printDebug("%s: Attempted to play unmapped key %d", name, key);
 			return;
 		}
 		memcpy(patchCache, drumCache[drumTimbre], sizeof(patchCache));
 		memcpy(&currentInstr, synth->mt32ram.params.timbres[128 + drumTimbre].timbre.common.name, 10);
-		currentInstr[10] = 0;
 		freqNum = MIDDLEC;
 	} else {
-		if (f < 12 || f > 108) {
-			synth->printDebug("%s (%s): Attempted to play invalid note %d", name, currentInstr, f);
-			return;
+		if (key < 12) {
+			synth->printDebug("%s (%s): Attempted to play invalid key %d < 12; moving up by octave", name, currentInstr, key);
+			key += 12;
+		} else if (key > 108) {
+			synth->printDebug("%s (%s): Attempted to play invalid key %d > 108; moving down by octave", name, currentInstr, key);
+			while (key > 108) {
+				key -= 12;
+			}
 		}
-		freqNum = f;
+		freqNum = key;
 	}
 	// POLY1 mode, Single Assign
 	// Haven't found any software that uses any of the other poly modes
 	// FIXME:KG: Should this also apply to rhythm?
 	if (!isRhythm) {
-		for (int i = 0; i < MT32EMU_MAX_POLY; i++) {
-			if (polyTable[i].isActive() && (polyTable[i].note == f)) {
+		for (unsigned int i = 0; i < MT32EMU_MAX_POLY; i++) {
+			if (polyTable[i].isActive() && (polyTable[i].key == key)) {
 				//AbortPoly(&polyTable[i]);
-				stopNote(f);
+				stopNote(key);
 				break;
 			}
 		}
@@ -453,11 +458,11 @@
 
 	if (needPartials > partialManager->GetFreePartialCount()) {
 		if (!partialManager->FreePartials(needPartials, partNum)) {
-			synth->printDebug("%s (%s): Insufficient free partials to play note %d (vel=%d)", name, currentInstr, f, vel);
+			synth->printDebug("%s (%s): Insufficient free partials to play key %d (vel=%d)", name, currentInstr, key, vel);
 			return;
 		}
 	}
-	// Find free note
+	// Find free poly
 	int m;
 	for (m = 0; m < MT32EMU_MAX_POLY; m++) {
 		if (!polyTable[m].isActive()) {
@@ -465,17 +470,15 @@
 		}
 	}
 	if (m == MT32EMU_MAX_POLY) {
-		synth->printDebug("%s (%s): No free poly to play note %d (vel %d)", name, currentInstr, f, vel);
+		synth->printDebug("%s (%s): No free poly to play key %d (vel %d)", name, currentInstr, key, vel);
 		return;
 	}
 
 	dpoly *tpoly = &polyTable[m];
-	Bit16s freq = freqtable[freqNum];
 
 	tpoly->isPlaying = true;
-	tpoly->note = f;
+	tpoly->key = key;
 	tpoly->isDecay = false;
-	tpoly->freq = freq;
 	tpoly->freqnum = freqNum;
 	tpoly->vel = vel;
 	tpoly->pedalhold = false;
@@ -505,9 +508,9 @@
 
 #if MT32EMU_MONITOR_INSTRUMENTS == 1
 	if (isRhythm) {
-		synth->printDebug("%s (%s): starting poly %d (drum %d, timbre %d) - Vel %d Key %d Vol %d", name, currentInstr, m, drumNum, drumTimbre, vel, f, volume);
+		synth->printDebug("%s (%s): starting poly %d (drum %d, timbre %d) - Vel %d Key %d Vol %d", name, currentInstr, m, drumNum, drumTimbre, vel, key, volume);
 	} else {
-		synth->printDebug("%s (%s): starting poly %d - Vel %d Key %d Vol %d", name, currentInstr, m, vel, f, volume);
+		synth->printDebug("%s (%s): starting poly %d - Vel %d Key %d Vol %d", name, currentInstr, m, vel, key, volume);
 	}
 #endif
 
@@ -548,23 +551,22 @@
 		dpoly *tpoly;
 		tpoly = &polyTable[q];
 		if (tpoly->isActive() && tpoly->pedalhold)
-			stopNote(tpoly->note);
+			stopNote(tpoly->key);
 	}
 }
 
-void Part::stopNote(int f) {
-	// Non-sustaining instruments ignore stop note commands.
+void Part::stopNote(unsigned int key) {
+	// Non-sustaining instruments ignore stop commands.
 	// They die away eventually anyway
-	//if (!tpoly->sustain) return;
 
 #if MT32EMU_MONITOR_INSTRUMENTS == 1
-	synth->printDebug("%s (%s): stopping key %d", name, currentInstr, f);
+	synth->printDebug("%s (%s): stopping key %d", name, currentInstr, key);
 #endif
 
-	if (f != -1) {
+	if (key != 255) {
 		for (int q = 0; q < MT32EMU_MAX_POLY; q++) {
 			dpoly *tpoly = &polyTable[q];
-			if (tpoly->isPlaying && tpoly->note == f) {
+			if (tpoly->isPlaying && tpoly->key == key) {
 				if (holdpedal)
 					tpoly->pedalhold = true;
 				else if (tpoly->sustain)
@@ -574,7 +576,7 @@
 		return;
 	}
 
-	// Find oldest note... yes, the MT-32 can be reconfigured to kill different note first
+	// Find oldest poly... yes, the MT-32 can be reconfigured to kill different poly first
 	// This is simplest
 	int oldest = -1;
 	Bit64s oldage = -1;

Index: part.h
===================================================================
RCS file: /cvsroot/scummvm/scummvm/backends/midi/mt32/part.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- part.h	14 Nov 2004 04:13:14 -0000	1.2
+++ part.h	14 Nov 2004 04:40:12 -0000	1.3
@@ -63,8 +63,8 @@
 public:
 	Part(Synth *synth, int usePartNum);
 	char *getName();
-	void playNote(PartialManager *partialManager, int f, int vel);
-	void stopNote(int f);
+	void playNote(PartialManager *partialManager, unsigned int key, int vel);
+	void stopNote(unsigned int key);
 	void allStop();
 	void setVolume(int vol);
 	void setPan(int vol);

Index: partial.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/backends/midi/mt32/partial.cpp,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -d -r1.8 -r1.9
--- partial.cpp	14 Nov 2004 04:13:14 -0000	1.8
+++ partial.cpp	14 Nov 2004 04:40:12 -0000	1.9
@@ -361,7 +361,6 @@
 					else
 						ptemp = waveforms[3][noteVal][waveoff % waveformsize[3][noteVal]];
 					ptemp = ptemp * 4;
-
 					// This is the correct way
 					// Seems slow to me (though bandlimited) -- doesn't seem to
 					// sound any better though
@@ -654,7 +653,7 @@
 					tStat->envbase = patchCache->filtEnv.envlevel[tStat->envstat];
 				tStat->envstat++;
 				tStat->envpos = 0;
-				if (tStat->envstat==3)
+				if (tStat->envstat == 3)
 					tStat->envsize = lasttimetable[(int)patchCache->filtEnv.envtime[tStat->envstat]];
 				else
 					tStat->envsize = (envtimetable[(int)patchCache->filtEnv.envtime[tStat->envstat]] * timekeytable[(int)patchCache->filtEnv.envtkf][poly->freqnum]) >> 8;

Index: partialManager.cpp
===================================================================
RCS file: /cvsroot/scummvm/scummvm/backends/midi/mt32/partialManager.cpp,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- partialManager.cpp	6 Nov 2004 01:41:30 -0000	1.1
+++ partialManager.cpp	14 Nov 2004 04:40:12 -0000	1.2
@@ -27,30 +27,30 @@
 
 PartialManager::PartialManager(Synth *useSynth) {
 	this->synth = useSynth;
-	for (int i = 0; i < MAXPARTIALS; i++)
+	for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++)
 		partialTable[i] = new Partial(synth);
 }
 
 PartialManager::~PartialManager(void) {
-	for (int i = 0; i < MAXPARTIALS; i++)
+	for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++)
 		delete partialTable[i];
 }
 
 void PartialManager::GetPerPartPartialUsage(int usage[9]) {
 	memset(usage, 0, 9 * sizeof (int));
-	for (int i = 0; i < MAXPARTIALS; i++) {
+	for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) {
 		if (partialTable[i]->isActive())
 			usage[partialTable[i]->getOwnerPart()]++;
 	}
 }
 
 void PartialManager::ClearAlreadyOutputed() {
-	for (int i = 0; i < MAXPARTIALS; i++)
+	for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++)
 		partialTable[i]->alreadyOutputed = false;
 }
 
 void PartialManager::AgeAll() {
-	for (int i = 0; i < MAXPARTIALS; i++)
+	for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++)
 		partialTable[i]->age++;
 }
 
@@ -63,7 +63,7 @@
 }
 
 void PartialManager::DeactivateAll() {
-	for (int i = 0; i < MAXPARTIALS; i++) {
+	for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) {
 		partialTable[i]->deactivate();
 	}
 }
@@ -84,7 +84,7 @@
 
 	// Use the first inactive partial reserved for the specified part (if there are any)
 	// Otherwise, use the last inactive partial, if any
-	for (int i = 0; i < MAXPARTIALS; i++) {
+	for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) {
 		if (!partialTable[i]->isActive()) {
 			outPartial = partialTable[i];
 			if (PartialReserveTable[i] == partNum)
@@ -101,7 +101,7 @@
 unsigned int PartialManager::GetFreePartialCount(void) {
 	int count = 0;
 	memset(partialPart, 0, sizeof(partialPart));
-	for (int i = 0; i < MAXPARTIALS; i++) {
+	for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) {
 		if (!partialTable[i]->isActive())
 			count++;
 		else
@@ -147,7 +147,7 @@
 				oldest = -1;
 				oldnum = -1;
 				found = false;
-				for (i = 0; i < MAXPARTIALS; i++) {
+				for (i = 0; i < MT32EMU_MAX_PARTIALS; i++) {
 					if (partialTable[i]->isActive) {
 						if (partialTable[i]->ownerPart == selectPart) {
 							found = true;
@@ -176,7 +176,7 @@
 			oldest = -1;
 			oldnum = -1;
 			found = false;
-			for (i = 0; i < MAXPARTIALS; i++) {
+			for (i = 0; i < MT32EMU_MAX_PARTIALS; i++) {
 				if (partialTable[i]->isActive) {
 					if (partialTable[i]->ownerPart == partNum) {
 						found = true;
@@ -205,7 +205,7 @@
 	// Reclaim partials reserved for this part
 	// Kill those that are already decaying first
 	/*
-	for (int i = 0; i < MAXPARTIALS; i++) {
+	for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) {
 		if (PartialReserveTable[i] == partNum) {
 			if (partialTable[i]->ownerPart != partNum) {
 				if (partialTable[i]->partCache->envs[AMPENV].decaying) {
@@ -222,7 +222,7 @@
 		Bit64s prior = -1;
 		int priornum = -1;
 
-		for (int i = 0; i < MAXPARTIALS; i++) {
+		for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) {
 			if (PartialReserveTable[i] == partNum && partialTable[i]->isActive() && partialTable[i]->getOwnerPart() != partNum) {
 				/*
 				if (mt32ram.params.system.reserveSettings[partialTable[i]->ownerPart] < prior) {
@@ -248,7 +248,7 @@
 	while (needed > 0) {
 		Bit64s oldest = -1;
 		Bit64s oldlist = -1;
-		for (int i = 0; i < MAXPARTIALS; i++) {
+		for (int i = 0; i < MT32EMU_MAX_PARTIALS; i++) {
 			if (partialTable[i]->isActive()) {
 				if (partialTable[i]->getOwnerPart() == partNum) {
 					if (partialTable[i]->age > oldest) {

Index: partialManager.h
===================================================================
RCS file: /cvsroot/scummvm/scummvm/backends/midi/mt32/partialManager.h,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- partialManager.h	6 Nov 2004 01:41:30 -0000	1.1
+++ partialManager.h	14 Nov 2004 04:40:12 -0000	1.2
@@ -22,8 +22,6 @@
 #ifndef MT32EMU_PARTIALMANAGER_H
 #define MT32EMU_PARTIALMANAGER_H
 
-#define MAXPARTIALS 32
-
 namespace MT32Emu {
 
 class Synth;
@@ -32,8 +30,8 @@
 private:
 	Synth *synth; // Only used for sending debug output
 
-	Partial *partialTable[MAXPARTIALS];
-	Bit32s PartialReserveTable[MAXPARTIALS];
+	Partial *partialTable[MT32EMU_MAX_PARTIALS];
+	Bit32s PartialReserveTable[MT32EMU_MAX_PARTIALS];
 	Bit32s partialPart[9]; // The count of partials played per part
 
 public:

Index: structures.h
===================================================================
RCS file: /cvsroot/scummvm/scummvm/backends/midi/mt32/structures.h,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -d -r1.8 -r1.9
--- structures.h	14 Nov 2004 04:13:14 -0000	1.8
+++ structures.h	14 Nov 2004 04:40:12 -0000	1.9
@@ -273,8 +273,7 @@
 struct dpoly {
 	bool isPlaying;
 
-	int note;
-	int freq;
+	unsigned int key;
 	int freqnum;
 	int vel;

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