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add Furnace instrument loading

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TODO: .dmp loading
This commit is contained in:
tildearrow 2022-01-22 00:14:48 -05:00
parent 969a5d203b
commit 8b79bf78a9
6 changed files with 231 additions and 138 deletions
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140
src/engine/instrument.cpp
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@ -1,3 +1,4 @@
#include "dataErrors.h"
#include "engine.h"
#include "instrument.h"
#include "../ta-log.h"
@ -137,6 +138,145 @@ void DivInstrument::putInsData(SafeWriter* w) {
}
}
DivDataErrors DivInstrument::readInsData(SafeReader& reader, short version) {
char magic[4];
reader.read(magic,4);
if (memcmp(magic,"INST",4)!=0) {
logE("invalid instrument header!\n");
return DIV_DATA_INVALID_HEADER;
}
reader.readI();
reader.readS(); // format version. ignored.
type=(DivInstrumentType)reader.readC();
mode=(type==DIV_INS_FM);
reader.readC();
name=reader.readString();
// FM
fm.alg=reader.readC();
fm.fb=reader.readC();
fm.fms=reader.readC();
fm.ams=reader.readC();
fm.ops=reader.readC();
reader.readC();
reader.readC();
reader.readC();
for (int j=0; j<4; j++) {
DivInstrumentFM::Operator& op=fm.op[j];
op.am=reader.readC();
op.ar=reader.readC();
op.dr=reader.readC();
op.mult=reader.readC();
op.rr=reader.readC();
op.sl=reader.readC();
op.tl=reader.readC();
op.dt2=reader.readC();
op.rs=reader.readC();
op.dt=reader.readC();
op.d2r=reader.readC();
op.ssgEnv=reader.readC();
op.dam=reader.readC();
op.dvb=reader.readC();
op.egt=reader.readC();
op.ksl=reader.readC();
op.sus=reader.readC();
op.vib=reader.readC();
op.ws=reader.readC();
op.ksr=reader.readC();
// reserved
for (int k=0; k<12; k++) reader.readC();
}
// GB
gb.envVol=reader.readC();
gb.envDir=reader.readC();
gb.envLen=reader.readC();
gb.soundLen=reader.readC();
// C64
c64.triOn=reader.readC();
c64.sawOn=reader.readC();
c64.pulseOn=reader.readC();
c64.noiseOn=reader.readC();
c64.a=reader.readC();
c64.d=reader.readC();
c64.s=reader.readC();
c64.r=reader.readC();
c64.duty=reader.readS();
c64.ringMod=reader.readC();
c64.oscSync=reader.readC();
c64.toFilter=reader.readC();
c64.initFilter=reader.readC();
c64.volIsCutoff=reader.readC();
c64.res=reader.readC();
c64.lp=reader.readC();
c64.bp=reader.readC();
c64.hp=reader.readC();
c64.ch3off=reader.readC();
c64.cut=reader.readS();
c64.dutyIsAbs=reader.readC();
c64.filterIsAbs=reader.readC();
// Amiga
amiga.initSample=reader.readS();
// reserved
for (int k=0; k<14; k++) reader.readC();
// standard
std.volMacroLen=reader.readI();
std.arpMacroLen=reader.readI();
std.dutyMacroLen=reader.readI();
std.waveMacroLen=reader.readI();
if (version>=17) {
std.pitchMacroLen=reader.readI();
std.ex1MacroLen=reader.readI();
std.ex2MacroLen=reader.readI();
std.ex3MacroLen=reader.readI();
}
std.volMacroLoop=reader.readI();
std.arpMacroLoop=reader.readI();
std.dutyMacroLoop=reader.readI();
std.waveMacroLoop=reader.readI();
if (version>=17) {
std.pitchMacroLoop=reader.readI();
std.ex1MacroLoop=reader.readI();
std.ex2MacroLoop=reader.readI();
std.ex3MacroLoop=reader.readI();
}
std.arpMacroMode=reader.readC();
std.volMacroHeight=reader.readC();
std.dutyMacroHeight=reader.readC();
std.waveMacroHeight=reader.readC();
if (std.volMacroHeight==0) std.volMacroHeight=15;
if (std.dutyMacroHeight==0) std.dutyMacroHeight=3;
if (std.waveMacroHeight==0) std.waveMacroHeight=63;
reader.read(std.volMacro,4*std.volMacroLen);
reader.read(std.arpMacro,4*std.arpMacroLen);
reader.read(std.dutyMacro,4*std.dutyMacroLen);
reader.read(std.waveMacro,4*std.waveMacroLen);
if (version>=17) {
reader.read(std.pitchMacro,4*std.pitchMacroLen);
reader.read(std.ex1Macro,4*std.ex1MacroLen);
reader.read(std.ex2Macro,4*std.ex2MacroLen);
reader.read(std.ex3Macro,4*std.ex3MacroLen);
} else {
if (type==DIV_INS_STD) {
if (std.volMacroHeight==31) {
type=DIV_INS_PCE;
}
if (std.dutyMacroHeight==31) {
type=DIV_INS_AY;
}
}
}
return DIV_DATA_SUCCESS;
}
bool DivInstrument::save(const char* path) {
SafeWriter* w=new SafeWriter();
w->init();