mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-30 16:33:01 +00:00
implement Furnace format loading
This commit is contained in:
tildearrow
parent
0b4ad13858
commit
925a29249b
1 changed files with 316 additions and 4 deletions
|
|
@ -403,7 +403,7 @@ bool DivEngine::loadDMF(unsigned char* file, size_t len) {
|
|||
}
|
||||
|
||||
if (!reader.seek(16,SEEK_SET)) {
|
||||
logE("premature end of file!");
|
||||
logE("premature end of file!\n");
|
||||
lastError="incomplete file";
|
||||
delete[] file;
|
||||
return false;
|
||||
|
|
@ -902,10 +902,322 @@ bool DivEngine::loadDMF(unsigned char* file, size_t len) {
|
|||
}
|
||||
|
||||
bool DivEngine::loadFur(unsigned char* file, size_t len) {
|
||||
logE("not implemented!\n");
|
||||
lastError="not implemented";
|
||||
int insPtr[256];
|
||||
int wavePtr[256];
|
||||
int samplePtr[256];
|
||||
std::vector<int> patPtr;
|
||||
char magic[5];
|
||||
memset(magic,0,5);
|
||||
SafeReader reader=SafeReader(file,len);
|
||||
try {
|
||||
DivSong ds;
|
||||
|
||||
if (!reader.seek(16,SEEK_SET)) {
|
||||
logE("premature end of file!\n");
|
||||
lastError="incomplete file";
|
||||
delete[] file;
|
||||
return false;
|
||||
}
|
||||
ds.version=reader.readS();
|
||||
logI("module version %d (0x%.2x)\n",ds.version,ds.version);
|
||||
|
||||
if (ds.version>DIV_ENGINE_VERSION) {
|
||||
logW("this module was created with a more recent version of Furnace!\n");
|
||||
}
|
||||
|
||||
reader.readS(); // reserved
|
||||
int infoSeek=reader.readI();
|
||||
|
||||
reader.seek(infoSeek,SEEK_SET);
|
||||
|
||||
// read header
|
||||
reader.read(magic,4);
|
||||
if (strcmp(magic,"INFO")!=0) {
|
||||
logE("invalid info header!\n");
|
||||
lastError="invalid info header!";
|
||||
delete[] file;
|
||||
return false;
|
||||
}
|
||||
reader.readI();
|
||||
|
||||
ds.timeBase=reader.readC();
|
||||
ds.speed1=reader.readC();
|
||||
ds.speed2=reader.readC();
|
||||
ds.arpLen=reader.readC();
|
||||
ds.hz=reader.readF();
|
||||
ds.pal=(ds.hz>=53);
|
||||
|
||||
ds.patLen=reader.readS();
|
||||
ds.ordersLen=reader.readS();
|
||||
|
||||
ds.hilightA=reader.readC();
|
||||
ds.hilightB=reader.readC();
|
||||
|
||||
ds.insLen=reader.readS();
|
||||
ds.waveLen=reader.readS();
|
||||
ds.sampleLen=reader.readS();
|
||||
int numberOfPats=reader.readI();
|
||||
|
||||
for (int i=0; i<32; i++) {
|
||||
ds.system[i]=systemFromFile(reader.readC());
|
||||
if (ds.system[i]!=DIV_SYSTEM_NULL) ds.systemLen=i+1;
|
||||
}
|
||||
int tchans=0;
|
||||
for (int i=0; i<ds.systemLen; i++) {
|
||||
tchans+=getChannelCount(ds.system[i]);
|
||||
}
|
||||
if (tchans>DIV_MAX_CHANS) tchans=DIV_MAX_CHANS;
|
||||
|
||||
// system volume, skipped for now
|
||||
for (int i=0; i<32; i++) reader.readC();
|
||||
|
||||
// system panning, skipped for now
|
||||
for (int i=0; i<32; i++) reader.readC();
|
||||
|
||||
// system props, skipped for now
|
||||
for (int i=0; i<32; i++) reader.readI();
|
||||
|
||||
ds.name=reader.readString();
|
||||
ds.author=reader.readString();
|
||||
logI("%s by %s\n",ds.name.c_str(),ds.author.c_str());
|
||||
|
||||
// reserved
|
||||
for (int i=0; i<24; i++) reader.readC();
|
||||
|
||||
// pointers
|
||||
reader.read(insPtr,ds.insLen*4);
|
||||
reader.read(wavePtr,ds.waveLen*4);
|
||||
reader.read(samplePtr,ds.sampleLen*4);
|
||||
for (int i=0; i<numberOfPats; i++) patPtr.push_back(reader.readI());
|
||||
|
||||
for (int i=0; i<tchans; i++) {
|
||||
for (int j=0; j<ds.ordersLen; j++) {
|
||||
ds.orders.ord[i][j]=reader.readC();
|
||||
}
|
||||
}
|
||||
|
||||
for (int i=0; i<tchans; i++) {
|
||||
ds.pat[i].effectRows=reader.readC();
|
||||
}
|
||||
|
||||
// read instruments
|
||||
for (int i=0; i<ds.insLen; i++) {
|
||||
reader.seek(insPtr[i],SEEK_SET);
|
||||
reader.read(magic,4);
|
||||
if (strcmp(magic,"INST")!=0) {
|
||||
logE("%d: invalid instrument header!\n",i);
|
||||
lastError="invalid instrument header!";
|
||||
delete[] file;
|
||||
return false;
|
||||
}
|
||||
reader.readI();
|
||||
DivInstrument* ins=new DivInstrument;
|
||||
|
||||
reader.readS(); // format version. ignored.
|
||||
ins->type=(DivInstrumentType)reader.readC();
|
||||
ins->mode=(ins->type==DIV_INS_FM);
|
||||
reader.readC();
|
||||
ins->name=reader.readString();
|
||||
|
||||
// FM
|
||||
ins->fm.alg=reader.readC();
|
||||
ins->fm.fb=reader.readC();
|
||||
ins->fm.fms=reader.readC();
|
||||
ins->fm.ams=reader.readC();
|
||||
ins->fm.ops=reader.readC();
|
||||
reader.readC();
|
||||
reader.readC();
|
||||
reader.readC();
|
||||
|
||||
for (int j=0; j<4; j++) {
|
||||
DivInstrumentFM::Operator& op=ins->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
|
||||
ins->gb.envVol=reader.readC();
|
||||
ins->gb.envDir=reader.readC();
|
||||
ins->gb.envLen=reader.readC();
|
||||
ins->gb.soundLen=reader.readC();
|
||||
|
||||
// C64
|
||||
ins->c64.triOn=reader.readC();
|
||||
ins->c64.sawOn=reader.readC();
|
||||
ins->c64.pulseOn=reader.readC();
|
||||
ins->c64.noiseOn=reader.readC();
|
||||
ins->c64.a=reader.readC();
|
||||
ins->c64.d=reader.readC();
|
||||
ins->c64.s=reader.readC();
|
||||
ins->c64.r=reader.readC();
|
||||
ins->c64.duty=reader.readS();
|
||||
ins->c64.ringMod=reader.readC();
|
||||
ins->c64.oscSync=reader.readC();
|
||||
ins->c64.toFilter=reader.readC();
|
||||
ins->c64.initFilter=reader.readC();
|
||||
ins->c64.volIsCutoff=reader.readC();
|
||||
ins->c64.res=reader.readC();
|
||||
ins->c64.lp=reader.readC();
|
||||
ins->c64.bp=reader.readC();
|
||||
ins->c64.hp=reader.readC();
|
||||
ins->c64.ch3off=reader.readC();
|
||||
ins->c64.cut=reader.readS();
|
||||
ins->c64.dutyIsAbs=reader.readC();
|
||||
ins->c64.filterIsAbs=reader.readC();
|
||||
|
||||
// Amiga
|
||||
ins->amiga.initSample=reader.readS();
|
||||
// reserved
|
||||
for (int k=0; k<14; k++) reader.readC();
|
||||
|
||||
// standard
|
||||
ins->std.volMacroLen=reader.readI();
|
||||
ins->std.arpMacroLen=reader.readI();
|
||||
ins->std.dutyMacroLen=reader.readI();
|
||||
ins->std.waveMacroLen=reader.readI();
|
||||
ins->std.volMacroLoop=reader.readI();
|
||||
ins->std.arpMacroLoop=reader.readI();
|
||||
ins->std.dutyMacroLoop=reader.readI();
|
||||
ins->std.waveMacroLoop=reader.readI();
|
||||
ins->std.arpMacroMode=reader.readC();
|
||||
reader.readC(); // reserved
|
||||
reader.readC();
|
||||
reader.readC();
|
||||
reader.read(ins->std.volMacro,4*ins->std.volMacroLen);
|
||||
reader.read(ins->std.arpMacro,4*ins->std.arpMacroLen);
|
||||
reader.read(ins->std.dutyMacro,4*ins->std.dutyMacroLen);
|
||||
reader.read(ins->std.waveMacro,4*ins->std.waveMacroLen);
|
||||
|
||||
ds.ins.push_back(ins);
|
||||
}
|
||||
|
||||
// read wavetables
|
||||
for (int i=0; i<ds.waveLen; i++) {
|
||||
reader.seek(wavePtr[i],SEEK_SET);
|
||||
reader.read(magic,4);
|
||||
if (strcmp(magic,"WAVE")!=0) {
|
||||
logE("%d: invalid wavetable header!\n",i);
|
||||
lastError="invalid wavetable header!";
|
||||
delete[] file;
|
||||
return false;
|
||||
}
|
||||
reader.readI();
|
||||
DivWavetable* wave=new DivWavetable;
|
||||
|
||||
reader.readString(); // ignored for now
|
||||
wave->len=reader.readI();
|
||||
wave->min=reader.readI();
|
||||
wave->max=reader.readI();
|
||||
reader.read(wave->data,4*wave->len);
|
||||
|
||||
ds.wave.push_back(wave);
|
||||
}
|
||||
|
||||
// read samples
|
||||
for (int i=0; i<ds.sampleLen; i++) {
|
||||
reader.seek(samplePtr[i],SEEK_SET);
|
||||
reader.read(magic,4);
|
||||
if (strcmp(magic,"SMPL")!=0) {
|
||||
logE("%d: invalid sample header!\n",i);
|
||||
lastError="invalid sample header!";
|
||||
delete[] file;
|
||||
return false;
|
||||
}
|
||||
reader.readI();
|
||||
DivSample* sample=new DivSample;
|
||||
|
||||
sample->name=reader.readString();
|
||||
sample->length=reader.readI();
|
||||
sample->rate=reader.readI();
|
||||
sample->vol=reader.readS();
|
||||
sample->pitch=reader.readS();
|
||||
sample->depth=reader.readC();
|
||||
|
||||
// reserved
|
||||
for (int j=0; j<7; j++) reader.readC();
|
||||
|
||||
sample->data=new short[sample->length];
|
||||
reader.read(sample->data,2*sample->length);
|
||||
|
||||
ds.sample.push_back(sample);
|
||||
}
|
||||
|
||||
// read patterns
|
||||
for (int i: patPtr) {
|
||||
reader.seek(i,SEEK_SET);
|
||||
reader.read(magic,4);
|
||||
if (strcmp(magic,"PATR")!=0) {
|
||||
logE("%x: invalid pattern header!\n",i);
|
||||
lastError="invalid pattern header!";
|
||||
delete[] file;
|
||||
return false;
|
||||
}
|
||||
reader.readI();
|
||||
|
||||
int chan=reader.readS();
|
||||
int index=reader.readS();
|
||||
reader.readI();
|
||||
|
||||
DivPattern* pat=ds.pat[chan].getPattern(index,true);
|
||||
for (int j=0; j<ds.patLen; j++) {
|
||||
pat->data[j][0]=reader.readS();
|
||||
pat->data[j][1]=reader.readS();
|
||||
pat->data[j][2]=reader.readS();
|
||||
pat->data[j][3]=reader.readS();
|
||||
for (int k=0; k<ds.pat[chan].effectRows; k++) {
|
||||
pat->data[j][4+(k<<1)]=reader.readS();
|
||||
pat->data[j][5+(k<<1)]=reader.readS();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (reader.tell()<reader.size()) {
|
||||
if ((reader.tell()+1)!=reader.size()) {
|
||||
logW("premature end of song (we are at %x, but size is %x)\n",reader.tell(),reader.size());
|
||||
}
|
||||
}
|
||||
|
||||
if (active) quitDispatch();
|
||||
isBusy.lock();
|
||||
song.unload();
|
||||
song=ds;
|
||||
recalcChans();
|
||||
renderSamples();
|
||||
isBusy.unlock();
|
||||
if (active) {
|
||||
initDispatch();
|
||||
syncReset();
|
||||
}
|
||||
} catch (EndOfFileException e) {
|
||||
logE("premature end of file!\n");
|
||||
lastError="incomplete file";
|
||||
delete[] file;
|
||||
return false;
|
||||
}
|
||||
delete[] file;
|
||||
return true;
|
||||
}
|
||||
|
||||
bool DivEngine::load(unsigned char* f, size_t slen) {
|
||||
|
|
|
|||
Loading…
Reference in a new issue