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add ability to save ins/wave as .dmp/.dmw

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also saving wavetables as raw data
This commit is contained in:
tildearrow 2022-08-13 15:43:13 -05:00
parent 041a76ad81
commit 02fb5abc02
5 changed files with 282 additions and 9 deletions
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145
src/engine/instrument.cpp
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@ -1150,3 +1150,148 @@ bool DivInstrument::save(const char* path) {
w->finish();
return true;
}
bool DivInstrument::saveDMP(const char* path) {
SafeWriter* w=new SafeWriter();
w->init();
// write version
w->writeC(11);
// guess the system
switch (type) {
case DIV_INS_FM:
// we can't tell between Genesis, Neo Geo and Arcade ins type yet
w->writeC(0x02);
w->writeC(1);
break;
case DIV_INS_STD:
// we can't tell between SMS and NES ins type yet
w->writeC(0x03);
w->writeC(0);
break;
case DIV_INS_GB:
w->writeC(0x04);
w->writeC(0);
break;
case DIV_INS_C64:
w->writeC(0x07);
w->writeC(0);
break;
case DIV_INS_PCE:
w->writeC(0x06);
w->writeC(0);
break;
case DIV_INS_OPLL:
// ???
w->writeC(0x13);
w->writeC(1);
break;
case DIV_INS_OPZ:
// data will be lost
w->writeC(0x08);
w->writeC(1);
break;
case DIV_INS_FDS:
// ???
w->writeC(0x06);
w->writeC(0);
break;
default:
// not supported by .dmp
w->finish();
return false;
}
if (type==DIV_INS_FM || type==DIV_INS_OPLL || type==DIV_INS_OPZ) {
w->writeC(fm.fms);
w->writeC(fm.fb);
w->writeC(fm.alg);
w->writeC(fm.ams);
// TODO: OPLL params
for (int i=0; i<4; i++) {
DivInstrumentFM::Operator& op=fm.op[i];
w->writeC(op.mult);
w->writeC(op.tl);
w->writeC(op.ar);
w->writeC(op.dr);
w->writeC(op.sl);
w->writeC(op.rr);
w->writeC(op.am);
w->writeC(op.rs);
w->writeC(op.dt|(op.dt2<<4));
w->writeC(op.d2r);
w->writeC(op.ssgEnv);
}
} else {
if (type!=DIV_INS_GB) {
w->writeC(std.volMacro.len);
for (int i=0; i<std.volMacro.len; i++) {
w->writeI(std.volMacro.val[i]);
}
if (std.volMacro.len>0) w->writeC(std.volMacro.loop);
}
w->writeC(std.arpMacro.len);
for (int i=0; i<std.arpMacro.len; i++) {
w->writeI(std.arpMacro.val[i]+12);
}
if (std.arpMacro.len>0) w->writeC(std.arpMacro.loop);
w->writeC(std.arpMacro.mode);
w->writeC(std.dutyMacro.len);
for (int i=0; i<std.dutyMacro.len; i++) {
w->writeI(std.dutyMacro.val[i]+12);
}
if (std.dutyMacro.len>0) w->writeC(std.dutyMacro.loop);
w->writeC(std.waveMacro.len);
for (int i=0; i<std.waveMacro.len; i++) {
w->writeI(std.waveMacro.val[i]+12);
}
if (std.waveMacro.len>0) w->writeC(std.waveMacro.loop);
if (type==DIV_INS_C64) {
w->writeC(c64.triOn);
w->writeC(c64.sawOn);
w->writeC(c64.pulseOn);
w->writeC(c64.noiseOn);
w->writeC(c64.a);
w->writeC(c64.d);
w->writeC(c64.s);
w->writeC(c64.r);
w->writeC((c64.duty*100)/4095);
w->writeC(c64.ringMod);
w->writeC(c64.oscSync);
w->writeC(c64.toFilter);
w->writeC(c64.volIsCutoff);
w->writeC(c64.initFilter);
w->writeC(c64.res);
w->writeC((c64.cut*100)/2047);
w->writeC(c64.hp);
w->writeC(c64.lp);
w->writeC(c64.bp);
w->writeC(c64.ch3off);
}
if (type==DIV_INS_GB) {
w->writeC(gb.envVol);
w->writeC(gb.envDir);
w->writeC(gb.envLen);
w->writeC(gb.soundLen);
}
}
FILE* outFile=ps_fopen(path,"wb");
if (outFile==NULL) {
logE("could not save instrument: %s!",strerror(errno));
w->finish();
return false;
}
if (fwrite(w->getFinalBuf(),1,w->size(),outFile)!=w->size()) {
logW("did not write entire instrument!");
}
fclose(outFile);
w->finish();
return true;
}