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add effects for quick legato

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This commit is contained in:
tildearrow 2024-03-16 19:41:08 -05:00
parent beacfcf849
commit 415a8297fe
5 changed files with 60 additions and 4 deletions
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43
src/engine/playback.cpp
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@ -956,6 +956,21 @@ void DivEngine::processRow(int i, bool afterDelay) {
dispatchCmd(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+(((chan[i].vibratoDepth*vibTable[chan[i].vibratoPos]*chan[i].vibratoFine)>>4)/15)));
dispatchCmd(DivCommand(DIV_CMD_HINT_PITCH,i,chan[i].pitch));
break;
case 0xe6: // Delayed legato
// why does this have to follow FamiTracker verbatim
// couldn't you do better?
if ((effectVal&15)!=0) {
chan[i].legatoDelay=(((effectVal&0xf0)>>4)&7)+1;
if (effectVal&128) {
chan[i].legatoTarget=-(effectVal&15);
} else {
chan[i].legatoTarget=(effectVal&15);
}
} else {
chan[i].legatoDelay=-1;
chan[i].legatoTarget=0;
}
break;
case 0xe7: // delayed macro release
// "Bruh"
if (effectVal>0 && (song.delayBehavior==2 || effectVal<nextSpeed)) {
@ -963,6 +978,25 @@ void DivEngine::processRow(int i, bool afterDelay) {
chan[i].cutType=2;
}
break;
case 0xe8: // delayed legato up
// see? you COULD do better!
if ((effectVal&15)!=0) {
chan[i].legatoDelay=((effectVal&0xf0)>>4)+1;
chan[i].legatoTarget=(effectVal&15);
} else {
chan[i].legatoDelay=-1;
chan[i].legatoTarget=0;
}
break;
case 0xe9: // delayed legato down
if ((effectVal&15)!=0) {
chan[i].legatoDelay=((effectVal&0xf0)>>4)+1;
chan[i].legatoTarget=-(effectVal&15);
} else {
chan[i].legatoDelay=-1;
chan[i].legatoTarget=0;
}
break;
case 0xea: // legato mode
chan[i].legato=effectVal;
break;
@ -1539,6 +1573,15 @@ bool DivEngine::nextTick(bool noAccum, bool inhibitLowLat) {
break;
}
}
if (chan[i].legatoDelay>0) {
if (--chan[i].legatoDelay<1) {
chan[i].note+=chan[i].legatoTarget;
dispatchCmd(DivCommand(DIV_CMD_LEGATO,i,chan[i].note));
dispatchCmd(DivCommand(DIV_CMD_HINT_LEGATO,i,chan[i].note));
chan[i].legatoDelay=-1;
chan[i].legatoTarget=0;
}
}
if (!song.noSlidesOnFirstTick || !firstTick) {
if ((chan[i].keyOn || chan[i].keyOff) && chan[i].portaSpeed>0) {
if (dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed*(song.linearPitch==2?song.pitchSlideSpeed:1),chan[i].portaNote))==2 && chan[i].portaStop && song.targetResetsSlides) {