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dev96 - add virtual tempo

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This commit is contained in:
tildearrow 2022-05-18 00:05:25 -05:00
parent f1ca53561f
commit cfa05143ab
10 changed files with 90 additions and 21 deletions
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34
src/engine/fileOps.cpp
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@ -1404,11 +1404,19 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
} else {
reader.readC();
}
for (int i=0; i<18; i++) {
for (int i=0; i<14; i++) {
reader.readC();
}
}
// first song virtual tempo
if (ds.version>=96) {
subSong->virtualTempoN=reader.readS();
subSong->virtualTempoD=reader.readS();
} else {
reader.readI();
}
// subsongs
if (ds.version>=95) {
subSong->name=reader.readString();
@ -1457,7 +1465,12 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
subSong->hilightA=reader.readC();
subSong->hilightB=reader.readC();
reader.readI(); // reserved
if (ds.version>=96) {
subSong->virtualTempoN=reader.readS();
subSong->virtualTempoD=reader.readS();
} else {
reader.readI();
}
subSong->name=reader.readString();
subSong->notes=reader.readString();
@ -2858,9 +2871,13 @@ SafeWriter* DivEngine::saveFur(bool notPrimary) {
w->writeC(song.snDutyReset);
w->writeC(song.pitchMacroIsLinear);
w->writeC(song.pitchSlideSpeed);
for (int i=0; i<18; i++) {
for (int i=0; i<14; i++) {
w->writeC(0);
}
// first subsong virtual tempo
w->writeS(subSong->virtualTempoN);
w->writeS(subSong->virtualTempoD);
// subsong list
w->writeString(subSong->name,false);
@ -2891,7 +2908,8 @@ SafeWriter* DivEngine::saveFur(bool notPrimary) {
w->writeS(subSong->ordersLen);
w->writeC(subSong->hilightA);
w->writeC(subSong->hilightB);
w->writeI(0); // reserved
w->writeS(subSong->virtualTempoN);
w->writeS(subSong->virtualTempoD);
w->writeString(subSong->name,false);
w->writeString(subSong->notes,false);
@ -3171,6 +3189,14 @@ SafeWriter* DivEngine::saveDMF(unsigned char version) {
addWarning("only the currently selected subsong will be saved");
}
if (curSubSong->virtualTempoD!=curSubSong->virtualTempoN) {
addWarning(".dmf format does not support virtual tempo");
}
if (song.tuning<439.99 && song.tuning>440.01) {
addWarning(".dmf format does not support tuning");
}
if (sys==DIV_SYSTEM_C64_6581 || sys==DIV_SYSTEM_C64_8580) {
addWarning("absolute duty/cutoff macro not available in .dmf!");
addWarning("duty precision will be lost");