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do nothing if volume column empty

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This commit is contained in:
Adam Lederer 2024-08-23 11:16:22 -07:00
parent 310ad13916
commit ae4adececd
1 changed files with 18 additions and 14 deletions
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32
src/engine/playback.cpp
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@ -641,21 +641,23 @@ void DivEngine::processRow(int i, bool afterDelay) {
// volume
int volPortaTarget=-1;
bool useVolPorta = false;
bool noApplyVolume=false;
for (int j=0; j<curPat[i].effectCols; j++) {
short effect=pat->data[whatRow][4+(j<<1)];
short effectVal=pat->data[whatRow][5+(j<<1)];
if (effectVal==-1) effectVal=0;
if ((effect==0xd3||effect==0xd4) && effectVal!=0) { // vol porta
useVolPorta=true;
break;
if (effect==0xd3 || effect==0xd4) { // vol porta
volPortaTarget=pat->data[whatRow][3]<<8; // can be -256
short effectVal=pat->data[whatRow][5+(j<<1)];
if (effectVal==-1) effectVal=0;
effectVal&=255;
noApplyVolume=effectVal>0; // "D3.." or "D300" shouldn't stop volume from applying
break; // technically you could have both D3 and D4... let's not care
}
}
if (pat->data[whatRow][3]!=-1) {
if (useVolPorta) {
volPortaTarget=pat->data[whatRow][3]<<8;
} else if (!song.oldAlwaysSetVolume || disCont[dispatchOfChan[i]].dispatch->getLegacyAlwaysSetVolume() || (MIN(chan[i].volMax,chan[i].volume)>>8)!=pat->data[whatRow][3]) {
if (pat->data[whatRow][3]!=-1 && !noApplyVolume) {
if (!song.oldAlwaysSetVolume || disCont[dispatchOfChan[i]].dispatch->getLegacyAlwaysSetVolume() || (MIN(chan[i].volMax,chan[i].volume)>>8)!=pat->data[whatRow][3]) {
if (pat->data[whatRow][0]==0 && pat->data[whatRow][1]==0) {
chan[i].midiAftertouch=true;
}
@ -1147,22 +1149,24 @@ void DivEngine::processRow(int i, bool afterDelay) {
chan[i].volSpeedTarget=-1;
dispatchCmd(DivCommand(DIV_CMD_HINT_VOL_SLIDE,i,chan[i].volSpeed));
break;
case 0xd3: // volume portamento (vol porta)
case 0xd3: { // volume portamento (vol porta)
// tremolo and vol slides are incompatible
chan[i].tremoloDepth=0;
chan[i].tremoloRate=0;
chan[i].volSpeed=volPortaTarget>chan[i].volume ? effectVal : -effectVal;
chan[i].volSpeed=volPortaTarget<0 ? 0 : volPortaTarget>chan[i].volume ? effectVal : -effectVal;
chan[i].volSpeedTarget=chan[i].volSpeed==0 ? -1 : volPortaTarget;
dispatchCmd(DivCommand(DIV_CMD_HINT_VOL_SLIDE_TARGET,i,chan[i].volSpeed,chan[i].volSpeedTarget));
break;
case 0xd4: // volume portamento fast (vol porta fast)
}
case 0xd4: { // volume portamento fast (vol porta fast)
// tremolo and vol slides are incompatible
chan[i].tremoloDepth=0;
chan[i].tremoloRate=0;
chan[i].volSpeed=volPortaTarget>chan[i].volume ? 256*effectVal : -256*effectVal;
chan[i].volSpeed=volPortaTarget<0 ? 0 : volPortaTarget>chan[i].volume ? 256*effectVal : -256*effectVal;
chan[i].volSpeedTarget=chan[i].volSpeed==0 ? -1 : volPortaTarget;
dispatchCmd(DivCommand(DIV_CMD_HINT_VOL_SLIDE_TARGET,i,chan[i].volSpeed,chan[i].volSpeedTarget));
break;
}
case 0xfc: // delayed note release
if (song.delayBehavior==2 || effectVal<nextSpeed) {
chan[i].cut=effectVal+1;