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add two new compatibility flags

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proper noise range and duty macro is wave volume
This commit is contained in:
tildearrow 2022-02-06 01:56:50 -05:00
parent 8772439d3e
commit e06e316e10
8 changed files with 79 additions and 13 deletions
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20
src/engine/engine.cpp
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@ -2077,6 +2077,10 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
ds.linearPitch=true;
ds.loopModality=0;
}
if (ds.version<43) {
ds.properNoiseLayout=false;
ds.waveDutyIsVol=false;
}
reader.readS(); // reserved
int infoSeek=reader.readI();
@ -2148,7 +2152,17 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
ds.limitSlides=reader.readC();
ds.linearPitch=reader.readC();
ds.loopModality=reader.readC();
for (int i=0; i<17; i++) reader.readC();
if (ds.version>=43) {
ds.properNoiseLayout=reader.readC();
} else {
reader.readC();
}
if (ds.version>=43) {
ds.waveDutyIsVol=reader.readC();
} else {
reader.readC();
}
for (int i=0; i<15; i++) reader.readC();
} else {
for (int i=0; i<20; i++) reader.readC();
}
@ -2522,7 +2536,9 @@ SafeWriter* DivEngine::saveFur() {
w->writeC(song.limitSlides);
w->writeC(song.linearPitch);
w->writeC(song.loopModality);
for (int i=0; i<17; i++) {
w->writeC(song.properNoiseLayout);
w->writeC(song.waveDutyIsVol);
for (int i=0; i<15; i++) {
w->writeC(0);
}