Merge pull request #1846 from techmetx11/tfm-music-maker-import

Support for TFM Music Maker files
This commit is contained in:
tildearrow 2024-04-23 14:55:57 -05:00 committed by GitHub
commit 5a39758fa3
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GPG key ID: B5690EEEBB952194
6 changed files with 912 additions and 3 deletions

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@ -653,6 +653,7 @@ src/engine/fileOps/fur.cpp
src/engine/fileOps/mod.cpp
src/engine/fileOps/s3m.cpp
src/engine/fileOps/text.cpp
src/engine/fileOps/tfm.cpp
src/engine/blip_buf.c
src/engine/brrUtils.c

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@ -556,6 +556,8 @@ class DivEngine {
bool loadS3M(unsigned char* file, size_t len);
bool loadFTM(unsigned char* file, size_t len, bool dnft, bool dnftSig, bool eft);
bool loadFC(unsigned char* file, size_t len);
bool loadTFMv1(unsigned char* file, size_t len);
bool loadTFMv2(unsigned char* file, size_t len);
void loadDMP(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);
void loadTFI(SafeReader& reader, std::vector<DivInstrument*>& ret, String& stripPath);

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@ -152,10 +152,14 @@ bool DivEngine::load(unsigned char* f, size_t slen, const char* nameHint) {
return loadFur(file,len,DIV_FUR_VARIANT_B);
} else if (memcmp(file,DIV_FC13_MAGIC,4)==0 || memcmp(file,DIV_FC14_MAGIC,4)==0) {
return loadFC(file,len);
} else if (memcmp(file,DIV_TFM_MAGIC,8)==0) {
return loadTFMv2(file,len);
}
// step 3: try loading as .mod
if (loadMod(file,len)) {
// step 3: try loading as .mod or TFEv1 (if the file extension matches)
if (extS==".tfe") {
return loadTFMv1(file,len);
} else if (loadMod(file,len)) {
delete[] f;
return true;
}

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@ -53,6 +53,7 @@ struct NotZlibException {
#define DIV_FC13_MAGIC "SMOD"
#define DIV_FC14_MAGIC "FC14"
#define DIV_S3M_MAGIC "SCRM"
#define DIV_TFM_MAGIC "TFMfmtV2"
#define DIV_FUR_MAGIC_DS0 "Furnace-B module"

901
src/engine/fileOps/tfm.cpp Normal file
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@ -0,0 +1,901 @@
/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2024 tildearrow and contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "fileOpsCommon.h"
class TFMRLEReader;
struct TFMEndOfFileException {
TFMRLEReader* reader;
size_t finalSize;
TFMEndOfFileException(TFMRLEReader* r, size_t fs):
reader(r),
finalSize(fs) {}
};
class TFMRLEReader {
const unsigned char* buf;
size_t len;
size_t curSeek;
bool inTag;
int tagLenLeft;
signed char tagChar;
void decodeRLE(unsigned char prevChar) {
int lenShift=0;
tagLenLeft=0;
unsigned char rleTag=0;
do {
rleTag=readCNoRLE();
tagLenLeft|=(rleTag&0x7F)<<lenShift;
lenShift+=7;
logD("offset: %x, RLE tag: %X, len shift: %d, len left: %d",curSeek,rleTag,lenShift,tagLenLeft);
} while (!(rleTag&0x80));
if (tagLenLeft) {
// sync back since we've already read one character
inTag=true;
tagLenLeft--;
tagChar=prevChar;
} else {
tagChar=0x80;
}
logD("tag finished: len left: %d, char: %X",tagLenLeft,tagChar);
}
public:
TFMRLEReader(const void* b, size_t l) :
buf((const unsigned char*)b),
len(l),
curSeek(0),
inTag(false),
tagLenLeft(0),
tagChar(0) {}
// these functions may throw TFMEndOfFileException
unsigned char readC() {
if (inTag) {
if (tagLenLeft<=0) {
inTag=false;
return readC();
}
tagLenLeft--;
logD("one char RLE decompressed, tag left: %d, char: %d",tagLenLeft,tagChar);
return tagChar;
}
if (curSeek>len) throw TFMEndOfFileException(this,len);
unsigned char ret=buf[curSeek++];
// MISLEADING DOCUMENTATION: while TFM music maker's documentation says if the next byte
// is zero, then it's not a tag but just 0x80 (for example: 0x00 0x80 0x00 = 0x00 0x80)
// this is actually wrong
// through research and experimentation, there are times that TFM music maker
// will use 0x80 0x00 for actual tags (for example: 0x00 0x80 0x00 0x84 = 512 times 0x00
// in certain parts of the header and footer)
// TFM music maker actually uses double 0x80 to escape the 0x80
// for example: 0xDA 0x80 0x80 0x00 0x23 = 0xDA 0x80 0x00 0x23)
if (ret==0x80) {
decodeRLE(buf[curSeek-2]);
tagLenLeft--;
return tagChar;
}
return ret;
}
signed char readCNoRLE() {
if (curSeek>len) throw TFMEndOfFileException(this,len);
return buf[curSeek++];
}
void read(unsigned char* b, size_t l) {
int i=0;
while(l--) {
unsigned char nextChar=readC();
b[i++]=nextChar;
logD("read next char: %x, index: %d",nextChar,i);
}
}
void readNoRLE(unsigned char *b, size_t l) {
int i=0;
while (l--) {
b[i++]=buf[curSeek++];
if (curSeek>len) throw TFMEndOfFileException(this,len);
}
}
short readS() {
return readC()|readC()<<8;
}
short readSNoRLE() {
if (curSeek+2>len) throw TFMEndOfFileException(this,len);
short ret=buf[curSeek]|buf[curSeek+1]<<8;
curSeek+=2;
return ret;
}
String readString(size_t l) {
String ret;
ret.reserve(l);
while (l--) {
unsigned char byte=readC();
if (!byte) {
skip(l);
break;
}
ret += byte;
}
return ret;
}
void skip(size_t l) {
// quick and dirty
while (l--) {
logD("skipping l %d",l);
readC();
}
}
};
String TFMparseDate(short date) {
return fmt::sprintf("%02d.%02d.%02d",date>>11,(date>>7)&0xF,date&0x7F);
}
struct TFMSpeed {
unsigned char speedEven;
unsigned char speedOdd;
unsigned char interleaveFactor;
bool operator==(const TFMSpeed &s) const {
return speedEven==s.speedEven && speedOdd==s.speedOdd && interleaveFactor==s.interleaveFactor;
}
};
// to make it work with map
template<>
struct std::hash<TFMSpeed>
{
size_t operator()(const TFMSpeed& s) const noexcept {
return s.speedEven<<16|s.speedOdd<<8|s.interleaveFactor;
}
};
struct TFMParsePatternInfo {
TFMRLEReader* reader;
unsigned char maxPat;
unsigned char* patLens;
unsigned char* orderList;
unsigned char speedEven;
unsigned char speedOdd;
unsigned char interleaveFactor;
bool* patExists;
DivSong* ds;
int* insNumMaps;
bool v2;
};
void TFMParsePattern(struct TFMParsePatternInfo info) {
// PATTERN DATA FORMAT (not described properly in the documentation)
// for each channel in a pattern:
// - note data (256 bytes)
// - volume data (256 bytes, values always 0x00-0x1F)
// - instrument number data (256 bytes)
// - effect number (256 bytes, values 0x0-0x23 (to represent 0-F and G-Z))
// - effect value (256 bytes)
// - extra 3 effects (1536 bytes 256x3x2) (ONLY ON V2)
// notes are stored as an inverted value of note+octave*12
// key-offs are stored in the note data as 0x01
unsigned char patDataBuf[256];
unsigned short lastSlide=0;
unsigned short lastVibrato=0;
struct TFMSpeed speed;
DivGroovePattern groove;
speed.speedEven=info.speedEven;
speed.speedOdd=info.speedOdd;
speed.interleaveFactor=info.interleaveFactor;
int speedGrooveIndex=1;
int usedEffectsCol=0;
std::unordered_map<TFMSpeed, int> speeds({{speed, 0}});
// initialize the global groove pattern first
if (speed.interleaveFactor>8) {
logW("speed interleave factor is bigger than 8, speed information may be inaccurate");
speed.interleaveFactor=8;
}
for (int i=0; i<speed.interleaveFactor; i++) {
groove.val[i]=speed.speedEven;
groove.val[i+speed.interleaveFactor]=speed.speedOdd;
}
groove.len=speed.interleaveFactor*2;
info.ds->grooves.push_back(groove);
for (int i=0; i<256; i++) {
if (i>info.maxPat) break;
else if (!info.patExists[i]) {
logD("skipping pattern %d",i);
info.reader->skip((info.v2) ? 16896 : 7680);
continue;
}
logD("parsing pattern %d",i);
for (int j=0; j<6; j++) {
DivPattern* pat = info.ds->subsong[0]->pat[j].data[i];
// notes
info.reader->read(patDataBuf,256);
logD("parsing notes of pattern %d channel %d",i,j);
for (int k=0; k<256; k++) {
if (patDataBuf[k]==0) continue;
else if (patDataBuf[k]==1) {
// note off
pat->data[k][0]=100;
} else {
unsigned char invertedNote=~patDataBuf[k];
pat->data[k][0]=invertedNote%12;
pat->data[k][1]=(invertedNote/12)-1;
if (pat->data[k][0]==0) {
pat->data[k][0]=12;
pat->data[k][1]--;
}
}
}
// volume
info.reader->read(patDataBuf,256);
logD("parsing volumes of pattern %d channel %d",i,j);
for (int k=0; k<256; k++) {
if (patDataBuf[k]==0) continue;
else pat->data[k][3]=0x60+patDataBuf[k];
}
// instrument
info.reader->read(patDataBuf,256);
logD("parsing instruments of pattern %d channel %d",i,j);
for (int k=0; k<256; k++) {
if (patDataBuf[k]==0) continue;
pat->data[k][2]=info.insNumMaps[patDataBuf[k]-1];
}
// effects
int numEffectsCol=(info.v2) ? 4 : 1;
for (int l=0; l<numEffectsCol; l++) {
unsigned char effectNum[256];
unsigned char effectVal[256];
info.reader->read(effectNum,256);
info.reader->read(effectVal,256);
for (int k=0; k<256; k++) {
if (effectNum[k] || effectVal[k]) usedEffectsCol=l+1;
switch (effectNum[k]) {
case 0:
// arpeggio or no effect (if effect val is 0)
if (effectVal[k]==0) break;
pat->data[k][4+(l*2)]=effectNum[k];
pat->data[k][5+(l*2)]=effectVal[k];
break;
case 1:
// pitch slide up
case 2:
// pitch slide down
pat->data[k][4+(l*2)]=effectNum[k];
if (effectVal[k]) {
lastSlide=effectVal[k];
pat->data[k][5+(l*2)]=effectVal[k];
} else {
pat->data[k][5+(l*2)]=lastSlide;
}
break;
case 3:
// portamento
case 4:
// vibrato
pat->data[k][5+(l*2)]=0;
if (effectVal[k]&0xF0) {
pat->data[k][5+(l*2)]|=effectVal[k]&0xF0;
} else {
pat->data[k][5+(l*2)]|=lastVibrato&0xF0;
}
if (effectVal[k]&0x0F) {
pat->data[k][5+(l*2)]|=effectVal[k]&0x0F;
} else {
pat->data[k][5+(l*2)]|=lastVibrato&0x0F;
}
pat->data[k][4+(l*2)]=effectNum[k];
lastVibrato=pat->data[k][5+(l*2)];
break;
case 5:
// poramento + volume slide
pat->data[k][4+(l*2)]=0x06;
pat->data[k][5+(l*2)]=effectVal[k];
break;
case 6:
// vibrato + volume slide
pat->data[k][4+(l*2)]=0x05;
pat->data[k][5+(l*2)]=effectVal[k];
break;
case 8:
// modify TL of operator 1
pat->data[k][4+(l*2)]=0x12;
pat->data[k][5+(l*2)]=effectVal[k];
break;
case 9:
// modify TL of operator 2
pat->data[k][4+(l*2)]=0x13;
pat->data[k][5+(l*2)]=effectVal[k];
break;
case 10:
// volume slide
pat->data[k][4+(l*2)]=0xA;
pat->data[k][5+(l*2)]=effectVal[k];
break;
case 11:
// multi-frequency mode of CH3 control
// TODO
case 12:
// modify TL of operator 3
pat->data[k][4+(l*2)]=0x14;
pat->data[k][5+(l*2)]=effectVal[k];
break;
case 13:
// modify TL of operator 2
pat->data[k][4+(l*2)]=0x15;
pat->data[k][5+(l*2)]=effectVal[k];
break;
case 14:
switch (effectVal[k]>>4) {
case 0:
case 1:
case 2:
case 3:
// modify multiplier of operators
pat->data[k][4+(l*2)]=0x16;
pat->data[k][5+(l*2)]=((effectVal[k]&0xF0)+0x100)|(effectVal[k]&0xF);
break;
case 8:
// pan
pat->data[k][4+(l*2)]=0x80;
if ((effectVal[k]&0xF)==1) {
pat->data[k][5+(l*2)]=0;
} else if ((effectVal[k]&0xF)==2) {
pat->data[k][5+(l*2)]=0xFF;
} else {
pat->data[k][5+(l*2)]=0x80;
}
break;
}
break;
case 15:
// speed
if (effectVal[k]==0) {
// if speed is set to zero (reset to global values)
speed.speedEven=info.speedEven;
speed.speedOdd=info.speedOdd;
speed.interleaveFactor=info.interleaveFactor;
} else if (effectVal[k]>>4==0) {
// if the top nibble is set to zero (set interleave factor)
speed.interleaveFactor=effectVal[k]&0xF;
} else if ((effectVal[k]>>4)==(effectVal[k]&0xF)) {
// if both speeds are equal
pat->data[k][4+(l*2)]=0x0F;
unsigned char speedSet=effectVal[k]>>4;
pat->data[k][5+(l*2)]=speedSet;
break;
} else {
speed.speedEven=effectVal[k]>>4;
speed.speedOdd=effectVal[k]&0xF;
}
auto speedIndex = speeds.find(speed);
if (speedIndex != speeds.end()) {
pat->data[k][4+(l*2)]=0x09;
pat->data[k][5+(l*2)]=speedIndex->second;
break;
}
if (speed.interleaveFactor>8) {
logW("speed interleave factor is bigger than 8, speed information may be inaccurate");
speed.interleaveFactor=8;
}
for (int i=0; i<speed.interleaveFactor; i++) {
groove.val[i]=speed.speedEven;
groove.val[i+speed.interleaveFactor]=speed.speedOdd;
}
groove.len=speed.interleaveFactor*2;
info.ds->grooves.push_back(groove);
speeds[speed]=speedGrooveIndex;
pat->data[k][4+(l*2)]=0x09;
pat->data[k][5+(l*2)]=speedGrooveIndex;
speedGrooveIndex++;
break;
}
}
info.ds->subsong[0]->pat[j].effectCols=(usedEffectsCol*2)+1;
// put a "jump to next pattern" effect if the pattern is smaller than the maximum pattern length
if (info.patLens[i]!=0 && info.patLens[i]<info.ds->subsong[0]->patLen) {
pat->data[info.patLens[i]-1][4+(usedEffectsCol*4)]=0x0D;
pat->data[info.patLens[i]-1][5+(usedEffectsCol*4)]=0x00;
}
}
}
}
// 2nd pass: fixing pitch slides, arpeggios, etc. so the result doesn't sound weird.
bool chArpeggio[6]={false};
bool chVibrato[6]={false};
bool chPorta[6]={false};
bool chVolumeSlide[6]={false};
for (int i=0; i<info.ds->subsong[0]->ordersLen; i++) {
for (int j=0; j<6; j++) {
for (int l=0; l<usedEffectsCol; l++) {
DivPattern* pat = info.ds->subsong[0]->pat[j].data[info.orderList[i]];
// default instrument
if (i==0 && pat->data[0][2]==-1) pat->data[0][2]=0;
unsigned char truePatLen=(info.patLens[info.orderList[i]]<info.ds->subsong[0]->patLen) ? info.patLens[info.orderList[i]] : info.ds->subsong[0]->patLen;
for (int k=0; k<truePatLen; k++) {
if (chArpeggio[j] && pat->data[k][4+(l*2)]!=0x00 && pat->data[k][0]!=-1) {
pat->data[k][4+usedEffectsCol*2+(l*2)]=0x00;
pat->data[k][5+usedEffectsCol*2+(l*2)]=0;
chArpeggio[j]=false;
} else if (chPorta[j] && pat->data[k][4+(l*2)]!=0x03 && pat->data[k][4+(l*2)]!=0x01 && pat->data[k][4+(l*2)]!=0x02) {
pat->data[k][4+usedEffectsCol*2+(l*2)]=0x03;
pat->data[k][5+usedEffectsCol*2+(l*2)]=0;
chPorta[j]=false;
} else if (chVibrato[j] && pat->data[k][4+(l*2)]!=0x04 && pat->data[k][0]!=-1) {
pat->data[k][4+usedEffectsCol*2+(l*2)]=0x04;
pat->data[k][5+usedEffectsCol*2+(l*2)]=0;
chVibrato[j]=false;
} else if (chVolumeSlide[j] && pat->data[k][4+(l*2)]!=0x0A) {
pat->data[k][4+usedEffectsCol*2+(l*2)]=0x0A;
pat->data[k][5+usedEffectsCol*2+(l*2)]=0;
chVolumeSlide[j]=false;
}
switch (pat->data[k][4+l]) {
case 0:
chArpeggio[j]=true;
break;
case 1:
case 2:
case 3:
chPorta[j]=true;
break;
case 4:
chVibrato[j]=true;
break;
case 0xA:
chVolumeSlide[j]=true;
break;
default:
break;
}
}
}
}
}
}
bool DivEngine::loadTFMv1(unsigned char* file, size_t len) {
// the documentation for this version is in russian only
struct InvalidHeaderException {};
bool success=false;
TFMRLEReader reader=TFMRLEReader(file,len);
try {
DivSong ds;
ds.systemName="Sega Genesis/Mega Drive or TurboSound FM";
ds.subsong[0]->hz=50;
ds.systemLen=1;
ds.system[0]=DIV_SYSTEM_YM2612;
ds.loopModality=1;
unsigned char speed=reader.readCNoRLE();
unsigned char interleaveFactor=reader.readCNoRLE();
// TODO: due to limitations with the groove pattern, only interleave factors up to 8
// are allowed in furnace
if (interleaveFactor>8) {
logW("interleave factor is bigger than 8, speed information may be inaccurate");
interleaveFactor=8;
}
if ((speed>>4)==(speed&0xF)) {
ds.subsong[0]->speeds.val[0]=speed&0xF;
ds.subsong[0]->speeds.len=1;
} else {
for (int i=0; i<interleaveFactor; i++) {
ds.subsong[0]->speeds.val[i]=speed>>4;
ds.subsong[0]->speeds.val[i+interleaveFactor]=speed&0xF;
}
ds.subsong[0]->speeds.len=interleaveFactor*2;
}
ds.subsong[0]->ordersLen=reader.readCNoRLE();
// order loop position, unused
(void)reader.readCNoRLE();
ds.createdDate=TFMparseDate(reader.readSNoRLE());
ds.revisionDate=TFMparseDate(reader.readSNoRLE());
// TODO: use this for something, number of saves
(void)reader.readSNoRLE();
// author
logD("parsing author");
ds.author=reader.readString(64);
// name
logD("parsing name");
ds.name=reader.readString(64);
// notes
logD("parsing notes");
String notes=reader.readString(384);
// fix \r\n to \n
for (auto& c : notes) {
if (c=='\r') {
notes.erase(c,1);
}
}
// order list
logD("parsing order list");
unsigned char orderList[256];
reader.read(orderList,256);
bool patExists[256];
unsigned char maxPat=0;
for (int i=0; i<ds.subsong[0]->ordersLen; i++) {
patExists[orderList[i]]=true;
if (maxPat<orderList[i]) maxPat=orderList[i];
for (int j=0; j<6; j++) {
ds.subsong[0]->orders.ord[j][i]=orderList[i];
ds.subsong[0]->pat[j].data[orderList[i]]=new DivPattern;
}
}
DivInstrument* insMaps[256];
int insNumMaps[256];
// instrument names
logD("parsing instruments");
unsigned char insName[16];
int insCount=0;
for (int i=0; i<255; i++) {
reader.read(insName,16);
if (memcmp(insName,"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF",16)==0) {
logD("instrument unused");
insNumMaps[i]=i;
insMaps[i]=NULL;
continue;
}
DivInstrument* ins=new DivInstrument;
ins->type=DIV_INS_FM;
ins->name=String((const char*)insName,strnlen((const char*)insName,16));
ds.ins.push_back(ins);
insNumMaps[i]=insCount;
insCount++;
insMaps[i]=ins;
}
ds.insLen=insCount;
// instrument data
for (int i=0; i<255; i++) {
if (!insMaps[i]) {
reader.skip(42);
continue;
}
insMaps[i]->fm.alg=reader.readC();
insMaps[i]->fm.fb=reader.readC();
for (int j=0; j<4; j++) {
insMaps[i]->fm.op[j].mult=reader.readC();
insMaps[i]->fm.op[j].dt=reader.readC();
insMaps[i]->fm.op[j].tl=reader.readC()^0x7F;
insMaps[i]->fm.op[j].rs=reader.readC();
insMaps[i]->fm.op[j].ar=reader.readC();
insMaps[i]->fm.op[j].dr=reader.readC();
insMaps[i]->fm.op[j].d2r=reader.readC();
insMaps[i]->fm.op[j].rr=reader.readC();
insMaps[i]->fm.op[j].sl=reader.readC();
insMaps[i]->fm.op[j].ssgEnv=reader.readC();
}
}
ds.notes=notes;
unsigned char patLens[256];
int maxPatLen=0;
reader.read(patLens, 256);
for (int i=0; i<256; i++) {
if (patLens[i]==0) {
maxPatLen=256;
break;
} else if (patLens[i]>maxPatLen) {
maxPatLen=patLens[i];
}
}
ds.subsong[0]->patLen=maxPatLen;
struct TFMParsePatternInfo info;
info.ds=&ds;
info.insNumMaps=insNumMaps;
info.maxPat=maxPat;
info.patExists=patExists;
info.orderList=orderList;
info.speedEven=speed>>4;
info.speedOdd=speed&0xF;
info.interleaveFactor=interleaveFactor;
info.patLens=patLens;
info.reader=&reader;
info.v2=false;
TFMParsePattern(info);
if (active) quitDispatch();
BUSY_BEGIN_SOFT;
saveLock.lock();
song.unload();
song=ds;
changeSong(0);
recalcChans();
saveLock.unlock();
BUSY_END;
if (active) {
initDispatch();
BUSY_BEGIN;
renderSamples();
reset();
BUSY_END;
}
success=true;
} catch(TFMEndOfFileException& e) {
lastError="incomplete file!";
} catch(InvalidHeaderException& e) {
lastError="invalid info header!";
}
delete[] file;
return success;
}
bool DivEngine::loadTFMv2(unsigned char* file, size_t len) {
struct InvalidHeaderException {};
bool success=false;
TFMRLEReader reader=TFMRLEReader(file,len);
try {
DivSong ds;
ds.systemName="Sega Genesis/Mega Drive or TurboSound FM";
ds.subsong[0]->hz=50;
ds.systemLen=1;
ds.system[0]=DIV_SYSTEM_YM2612;
ds.loopModality=1;
unsigned char magic[8]={0};
reader.readNoRLE(magic,8);
if (memcmp(magic,DIV_TFM_MAGIC,8)!=0) throw InvalidHeaderException();
unsigned char speedEven=reader.readCNoRLE();
unsigned char speedOdd=reader.readCNoRLE();
unsigned char interleaveFactor=reader.readCNoRLE();
// TODO: due to limitations with the groove pattern, only interleave factors up to 8
// are allowed in furnace
if (interleaveFactor>8) {
addWarning("interleave factor is bigger than 8, speed information may be inaccurate");
interleaveFactor=8;
}
if (speedEven==speedOdd) {
ds.subsong[0]->speeds.val[0]=speedEven;
ds.subsong[0]->speeds.len=1;
} else {
for (int i=0; i<interleaveFactor; i++) {
ds.subsong[0]->speeds.val[i]=speedEven;
ds.subsong[0]->speeds.val[i+interleaveFactor]=speedOdd;
}
ds.subsong[0]->speeds.len=interleaveFactor*2;
}
ds.subsong[0]->ordersLen=reader.readCNoRLE();
// order loop position, unused
(void)reader.readCNoRLE();
ds.createdDate=TFMparseDate(reader.readSNoRLE());
ds.revisionDate=TFMparseDate(reader.readSNoRLE());
// TODO: use this for something, number of saves
(void)reader.readSNoRLE();
// author
logD("parsing author");
ds.author=reader.readString(64);
// name
logD("parsing name");
ds.name=reader.readString(64);
// notes
logD("parsing notes");
String notes=reader.readString(384);
// fix \r\n to \n
for (auto& c : notes) {
if (c=='\r') {
notes.erase(c,1);
}
}
// order list
logD("parsing order list");
unsigned char orderList[256];
reader.read(orderList,256);
bool patExists[256];
unsigned char maxPat=0;
for (int i=0; i<ds.subsong[0]->ordersLen; i++) {
patExists[orderList[i]]=true;
if (maxPat<orderList[i]) maxPat=orderList[i];
for (int j=0; j<6; j++) {
ds.subsong[0]->orders.ord[j][i]=orderList[i];
ds.subsong[0]->pat[j].data[orderList[i]]=new DivPattern;
}
}
DivInstrument* insMaps[256];
int insNumMaps[256];
// instrument names
logD("parsing instruments");
unsigned char insName[16];
int insCount=0;
for (int i=0; i<255; i++) {
reader.read(insName,16);
if (memcmp(insName,"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF",16)==0) {
logD("instrument unused");
insNumMaps[i]=i;
insMaps[i]=NULL;
continue;
}
DivInstrument* ins=new DivInstrument;
ins->type=DIV_INS_FM;
ins->name=String((const char*)insName,strnlen((const char*)insName,16));
ds.ins.push_back(ins);
insNumMaps[i]=insCount;
insCount++;
insMaps[i]=ins;
}
ds.insLen=insCount;
// instrument data
for (int i=0; i<255; i++) {
if (!insMaps[i]) {
reader.skip(42);
continue;
}
insMaps[i]->fm.alg=reader.readC();
insMaps[i]->fm.fb=reader.readC();
for (int j=0; j<4; j++) {
insMaps[i]->fm.op[j].mult=reader.readC();
insMaps[i]->fm.op[j].dt=reader.readC();
insMaps[i]->fm.op[j].tl=reader.readC()^0x7F;
insMaps[i]->fm.op[j].rs=reader.readC();
insMaps[i]->fm.op[j].ar=reader.readC()^0x1F;
insMaps[i]->fm.op[j].dr=reader.readC()^0x1F;
insMaps[i]->fm.op[j].d2r=reader.readC()^0x1F;
insMaps[i]->fm.op[j].rr=reader.readC()^0xF;
insMaps[i]->fm.op[j].sl=reader.readC();
insMaps[i]->fm.op[j].ssgEnv=reader.readC();
}
}
ds.notes=notes;
unsigned char patLens[256];
int maxPatLen=0;
reader.read(patLens, 256);
for (int i=0; i<256; i++) {
if (patLens[i]==0) {
maxPatLen=256;
break;
} else if (patLens[i]>maxPatLen) {
maxPatLen=patLens[i];
}
}
ds.subsong[0]->patLen=maxPatLen;
struct TFMParsePatternInfo info;
info.ds=&ds;
info.insNumMaps=insNumMaps;
info.maxPat=maxPat;
info.patExists=patExists;
info.orderList=orderList;
info.speedEven=speedEven;
info.speedOdd=speedOdd;
info.interleaveFactor=interleaveFactor;
info.patLens=patLens;
info.reader=&reader;
info.v2=true;
TFMParsePattern(info);
if (active) quitDispatch();
BUSY_BEGIN_SOFT;
saveLock.lock();
song.unload();
song=ds;
changeSong(0);
recalcChans();
saveLock.unlock();
BUSY_END;
if (active) {
initDispatch();
BUSY_BEGIN;
renderSamples();
reset();
BUSY_END;
}
success=true;
} catch(TFMEndOfFileException& e) {
lastError="incomplete file!";
} catch(InvalidHeaderException& e) {
lastError="invalid info header!";
}
delete[] file;
return success;
}

View file

@ -1647,7 +1647,7 @@ void FurnaceGUI::openFileDialog(FurnaceGUIFileDialogs type) {
if (!dirExists(workingDirSong)) workingDirSong=getHomeDir();
hasOpened=fileDialog->openLoad(
"Open File",
{"compatible files", "*.fur *.dmf *.mod *.fc13 *.fc14 *.smod *.fc *.ftm *.0cc *.dnm *.eft *.fub",
{"compatible files", "*.fur *.dmf *.mod *.fc13 *.fc14 *.smod *.fc *.ftm *.0cc *.dnm *.eft *.fub *.tfe",
"all files", "*"},
workingDirSong,
dpiScale