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dev90 - linear pitch macro option

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This commit is contained in:
tildearrow 2022-04-28 00:26:21 -05:00
parent 4a9855f090
commit 66f5b2117f
34 changed files with 71 additions and 43 deletions
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19
src/engine/engine.cpp
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@ -914,21 +914,28 @@ unsigned short DivEngine::calcBaseFreqFNumBlock(double clock, double divider, in
return bf|(block<<bits);
}
int DivEngine::calcFreq(int base, int pitch, bool period, int octave) {
int DivEngine::calcFreq(int base, int pitch, bool period, int octave, int pitch2) {
if (song.linearPitch) {
// global pitch multiplier
int whatTheFuck=(1024+(globalPitch<<6)-(globalPitch<0?globalPitch-6:0));
if (whatTheFuck<1) whatTheFuck=1; // avoids division by zero but please kill me
if (song.pitchMacroIsLinear) {
pitch+=pitch2;
}
pitch+=2048;
if (pitch<0) pitch=0;
if (pitch>4095) pitch=4095;
return period?
((base*(reversePitchTable[pitch]))/whatTheFuck):
(((base*(pitchTable[pitch]))>>10)*whatTheFuck)/1024;
int ret=period?
((base*(reversePitchTable[pitch]))/whatTheFuck):
(((base*(pitchTable[pitch]))>>10)*whatTheFuck)/1024;
if (!song.pitchMacroIsLinear) {
ret+=period?(-pitch2):pitch2;
}
return ret;
}
return period?
base-pitch:
base+((pitch*octave)>>1);
base-pitch-pitch2:
base+((pitch*octave)>>1)+pitch2;
}
void DivEngine::play() {