BOOL S3M_Load(BOOL curious) { int t,u,track = 0; SAMPLE *q; UBYTE pan[32]; /* try to read module header */ _mm_read_string(mh->songname,28,modreader); mh->t1a =_mm_read_UBYTE(modreader); mh->type =_mm_read_UBYTE(modreader); _mm_read_UBYTES(mh->unused1,2,modreader); mh->ordnum =_mm_read_I_UWORD(modreader); mh->insnum =_mm_read_I_UWORD(modreader); mh->patnum =_mm_read_I_UWORD(modreader); mh->flags =_mm_read_I_UWORD(modreader); mh->tracker =_mm_read_I_UWORD(modreader); mh->fileformat =_mm_read_I_UWORD(modreader); _mm_read_string(mh->scrm,4,modreader); mh->mastervol =_mm_read_UBYTE(modreader); mh->initspeed =_mm_read_UBYTE(modreader); mh->inittempo =_mm_read_UBYTE(modreader); mh->mastermult =_mm_read_UBYTE(modreader); mh->ultraclick =_mm_read_UBYTE(modreader); mh->pantable =_mm_read_UBYTE(modreader); _mm_read_UBYTES(mh->unused2,8,modreader); mh->special =_mm_read_I_UWORD(modreader); _mm_read_UBYTES(mh->channels,32,modreader); if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } /* then we can decide the module type */ tracker=mh->tracker>>12; if((!tracker)||(tracker>=NUMTRACKERS)) tracker=NUMTRACKERS-1; /* unknown tracker */ else { if(mh->tracker>=0x3217) tracker=NUMTRACKERS+1; /* IT 2.14p4 */ else if(mh->tracker>=0x3216) tracker=NUMTRACKERS; /* IT 2.14p3 */ else tracker--; } of.modtype = strdup(S3M_Version[tracker]); if(tracker<NUMTRACKERS) { of.modtype[numeric[tracker]] = ((mh->tracker>>8) &0xf)+'0'; of.modtype[numeric[tracker]+2] = ((mh->tracker>>4)&0xf)+'0'; of.modtype[numeric[tracker]+3] = ((mh->tracker)&0xf)+'0'; }
static BOOL ULT_Test(void) { CHAR id[16]; if(!_mm_read_string(id,15,modreader)) return 0; if(strncmp(id,"MAS_UTrack_V00",14)) return 0; if((id[14]<'1')||(id[14]>'4')) return 0; return 1; }
static BOOL ULT_Load(BOOL curious) { int t,u,tracks=0; SAMPLE *q; ULTSAMPLE s; ULTHEADER mh; UBYTE nos,noc,nop; /* try to read module header */ _mm_read_string(mh.id,15,modreader); _mm_read_string(mh.songtitle,32,modreader); mh.reserved=_mm_read_UBYTE(modreader); if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } ULT_Version[ULT_VERSION_LEN-1]='3'+(mh.id[14]-'1'); of.modtype = DupStr(ULT_Version,ULT_VERSION_LEN,1); of.initspeed = 6; of.inittempo = 125; of.reppos = 0; /* read songtext */ if ((mh.id[14]>'1')&&(mh.reserved)) if(!ReadLinedComment(mh.reserved * 32, 32)) return 0; nos=_mm_read_UBYTE(modreader); if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } of.songname=DupStr(mh.songtitle,32,1); of.numins=of.numsmp=nos; if(!AllocSamples()) return 0; q = of.samples; for(t=0; t<nos; t++) { /* try to read sample info */ _mm_read_string(s.samplename,32,modreader); _mm_read_string(s.dosname,12,modreader); s.loopstart =_mm_read_I_ULONG(modreader); s.loopend =_mm_read_I_ULONG(modreader); s.sizestart =_mm_read_I_ULONG(modreader); s.sizeend =_mm_read_I_ULONG(modreader); s.volume =_mm_read_UBYTE(modreader); s.flags =_mm_read_UBYTE(modreader); s.speed =(mh.id[14]>='4')?_mm_read_I_UWORD(modreader):8363; s.finetune =_mm_read_I_SWORD(modreader); if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_SAMPLEINFO; return 0; } q->samplename=DupStr(s.samplename,32,1); /* The correct formula for the coefficient would be pow(2,(double)s.finetume/OCTAVE/32768), but to avoid floating point here, we'll use a first order approximation here. 1/567290 == Ln(2)/OCTAVE/32768 */ q->speed=s.speed+s.speed*(((SLONG)s.speed*(SLONG)s.finetune)/567290); q->length = s.sizeend-s.sizestart; q->volume = s.volume>>2; q->loopstart = s.loopstart; q->loopend = s.loopend; q->flags = SF_SIGNED; if(s.flags&ULTS_LOOP) q->flags|=SF_LOOP; if(s.flags&ULTS_16BITS) { s.sizeend+=(s.sizeend-s.sizestart); s.sizestart<<=1; q->flags|=SF_16BITS; q->loopstart>>=1; q->loopend>>=1; } q++; }
BOOL IT_Load(BOOL curious) { int t,u,lp; INSTRUMENT *d; SAMPLE *q; BOOL compressed=0; numtrk=0; filters=0; /* try to read module header */ _mm_read_I_ULONG(modreader); /* kill the 4 byte header */ _mm_read_string(mh->songname,26,modreader); _mm_read_UBYTES(mh->blank01,2,modreader); mh->ordnum =_mm_read_I_UWORD(modreader); mh->insnum =_mm_read_I_UWORD(modreader); mh->smpnum =_mm_read_I_UWORD(modreader); mh->patnum =_mm_read_I_UWORD(modreader); mh->cwt =_mm_read_I_UWORD(modreader); mh->cmwt =_mm_read_I_UWORD(modreader); mh->flags =_mm_read_I_UWORD(modreader); mh->special =_mm_read_I_UWORD(modreader); mh->globvol =_mm_read_UBYTE(modreader); mh->mixvol =_mm_read_UBYTE(modreader); mh->initspeed =_mm_read_UBYTE(modreader); mh->inittempo =_mm_read_UBYTE(modreader); mh->pansep =_mm_read_UBYTE(modreader); mh->zerobyte =_mm_read_UBYTE(modreader); mh->msglength =_mm_read_I_UWORD(modreader); mh->msgoffset =_mm_read_I_ULONG(modreader); _mm_read_UBYTES(mh->blank02,4,modreader); _mm_read_UBYTES(mh->pantable,64,modreader); _mm_read_UBYTES(mh->voltable,64,modreader); if(_mm_eof(modreader)) { _mm_errno=MMERR_LOADING_HEADER; return 0; } /* set module variables */ of.songname = DupStr(mh->songname,26,0); /* make a cstr of songname */ of.reppos = 0; of.numpat = mh->patnum; of.numins = mh->insnum; of.numsmp = mh->smpnum; of.initspeed = mh->initspeed; of.inittempo = mh->inittempo; of.initvolume = mh->globvol; of.flags |= UF_BGSLIDES|UF_ARPMEM; if(mh->songname[25]) { of.numvoices=1+mh->songname[25]; #ifdef MIKMOD_DEBUG fprintf(stderr,"Embedded IT limitation to %d voices\n",of.numvoices); #endif } /* set the module type */ /* 2.17 : IT 2.14p4 */ /* 2.16 : IT 2.14p3 with resonant filters */ /* 2.15 : IT 2.14p3 (improved compression) */ if((mh->cwt<=0x219)&&(mh->cwt>=0x217)) of.modtype=strdup(IT_Version[mh->cmwt<0x214?4:5]); else if (mh->cwt>=0x215) of.modtype=strdup(IT_Version[mh->cmwt<0x214?2:3]); else { of.modtype = strdup(IT_Version[mh->cmwt<0x214?0:1]); of.modtype[mh->cmwt<0x214?15:26] = (mh->cwt>>8)+'0'; of.modtype[mh->cmwt<0x214?17:28] = ((mh->cwt>>4)&0xf)+'0'; of.modtype[mh->cmwt<0x214?18:29] = ((mh->cwt)&0xf)+'0'; } if(mh->flags&8) of.flags|=(UF_XMPERIODS | UF_LINEAR); if((mh->cwt>=0x106)&&(mh->flags&16)) old_effect=1; else old_effect=0; /* set panning positions */ for(t=0;t<64;t++) { mh->pantable[t]&=0x7f; if(mh->pantable[t]<64) of.panning[t]=mh->pantable[t]<<2; else if(mh->pantable[t]==64) of.panning[t]=255; else if(mh->pantable[t]==100) of.panning[t]=PAN_SURROUND; else if(mh->pantable[t]==127) of.panning[t]=PAN_CENTER; else { _mm_errno=MMERR_LOADING_HEADER; return 0; } } /* set channel volumes */ memcpy(of.chanvol,mh->voltable,64); /* read the order data */ if(!AllocPositions(mh->ordnum)) return 0; if(!(origpositions=_mm_calloc(mh->ordnum,sizeof(UWORD)))) return 0; for(t=0;t<mh->ordnum;t++) { origpositions[t]=_mm_read_UBYTE(modreader); if((origpositions[t]>mh->patnum)&&(origpositions[t]<254)) origpositions[t]=255; } if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } poslookupcnt=(UBYTE)mh->ordnum; S3MIT_CreateOrders(curious); if(!(paraptr=(ULONG*)_mm_malloc((mh->insnum+mh->smpnum+of.numpat)* sizeof(ULONG)))) return 0; /* read the instrument, sample, and pattern parapointers */ _mm_read_I_ULONGS(paraptr,mh->insnum+mh->smpnum+of.numpat,modreader); if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } /* Check for and load midi information for resonant filters */ if(mh->cmwt>=0x216) { if(mh->special&8) { IT_LoadMidiConfiguration(modreader); if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } } else IT_LoadMidiConfiguration(NULL); filters=1; } /* Check for and load song comment */ if((mh->special&1)&&(mh->cwt>=0x104)&&(mh->msglength)) { _mm_fseek(modreader,(long)(mh->msgoffset),SEEK_SET); if(!ReadComment(mh->msglength)) return 0; } if(!(mh->flags&4)) of.numins=of.numsmp; if(!AllocSamples()) return 0; if(!AllocLinear()) return 0; /* Load all samples */ q = of.samples; for(t=0;t<mh->smpnum;t++) { ITSAMPLE s; /* seek to sample position */ _mm_fseek(modreader,(long)(paraptr[mh->insnum+t]+4),SEEK_SET); /* load sample info */ _mm_read_string(s.filename,12,modreader); s.zerobyte = _mm_read_UBYTE(modreader); s.globvol = _mm_read_UBYTE(modreader); s.flag = _mm_read_UBYTE(modreader); s.volume = _mm_read_UBYTE(modreader); _mm_read_string(s.sampname,26,modreader); s.convert = _mm_read_UBYTE(modreader); s.panning = _mm_read_UBYTE(modreader); s.length = _mm_read_I_ULONG(modreader); s.loopbeg = _mm_read_I_ULONG(modreader); s.loopend = _mm_read_I_ULONG(modreader); s.c5spd = _mm_read_I_ULONG(modreader); s.susbegin = _mm_read_I_ULONG(modreader); s.susend = _mm_read_I_ULONG(modreader); s.sampoffset = _mm_read_I_ULONG(modreader); s.vibspeed = _mm_read_UBYTE(modreader); s.vibdepth = _mm_read_UBYTE(modreader); s.vibrate = _mm_read_UBYTE(modreader); s.vibwave = _mm_read_UBYTE(modreader); /* Generate an error if c5spd is > 512k, or samplelength > 256 megs (nothing would EVER be that high) */ if(_mm_eof(modreader)||(s.c5spd>0x7ffffL)||(s.length>0xfffffffUL)|| (s.loopbeg>0xfffffffUL)||(s.loopend>0xfffffffUL)) { _mm_errno = MMERR_LOADING_SAMPLEINFO; return 0; } q->samplename = DupStr(s.sampname,26,0); q->speed = s.c5spd / 2; q->panning = ((s.panning&127)==64)?255:(s.panning&127)<<2; q->length = s.length; q->loopstart = s.loopbeg; q->loopend = s.loopend; q->volume = s.volume; q->globvol = s.globvol; q->seekpos = s.sampoffset; /* Convert speed to XM linear finetune */ if(of.flags&UF_LINEAR) q->speed=speed_to_finetune(s.c5spd,t); if(s.panning&128) q->flags|=SF_OWNPAN; if(s.vibrate) { q->vibflags |= AV_IT; q->vibtype = s.vibwave; q->vibsweep = s.vibrate * 2; q->vibdepth = s.vibdepth; q->vibrate = s.vibspeed; } if(s.flag&2) q->flags|=SF_16BITS; if((s.flag&8)&&(mh->cwt>=0x214)) { q->flags|=SF_ITPACKED; compressed=1; } if(s.flag&16) q->flags|=SF_LOOP; if(s.flag&64) q->flags|=SF_BIDI; if(mh->cwt>=0x200) { if(s.convert&1) q->flags|=SF_SIGNED; if(s.convert&4) q->flags|=SF_DELTA; } q++; } /* Load instruments if instrument mode flag enabled */ if(mh->flags&4) { if(!AllocInstruments()) return 0; d=of.instruments; of.flags|=UF_NNA|UF_INST; for(t=0;t<mh->insnum;t++) { ITINSTHEADER ih; /* seek to instrument position */ _mm_fseek(modreader,paraptr[t]+4,SEEK_SET); /* load instrument info */ _mm_read_string(ih.filename,12,modreader); ih.zerobyte = _mm_read_UBYTE(modreader); if(mh->cwt<0x200) { /* load IT 1.xx inst header */ ih.volflg = _mm_read_UBYTE(modreader); ih.volbeg = _mm_read_UBYTE(modreader); ih.volend = _mm_read_UBYTE(modreader); ih.volsusbeg = _mm_read_UBYTE(modreader); ih.volsusend = _mm_read_UBYTE(modreader); _mm_read_I_UWORD(modreader); ih.fadeout = _mm_read_I_UWORD(modreader); ih.nna = _mm_read_UBYTE(modreader); ih.dnc = _mm_read_UBYTE(modreader); } else { /* Read IT200+ header */ ih.nna = _mm_read_UBYTE(modreader); ih.dct = _mm_read_UBYTE(modreader); ih.dca = _mm_read_UBYTE(modreader); ih.fadeout = _mm_read_I_UWORD(modreader); ih.ppsep = _mm_read_UBYTE(modreader); ih.ppcenter = _mm_read_UBYTE(modreader); ih.globvol = _mm_read_UBYTE(modreader); ih.chanpan = _mm_read_UBYTE(modreader); ih.rvolvar = _mm_read_UBYTE(modreader); ih.rpanvar = _mm_read_UBYTE(modreader); } ih.trkvers = _mm_read_I_UWORD(modreader); ih.numsmp = _mm_read_UBYTE(modreader); _mm_read_UBYTE(modreader); _mm_read_string(ih.name,26,modreader); _mm_read_UBYTES(ih.blank01,6,modreader); _mm_read_I_UWORDS(ih.samptable,ITNOTECNT,modreader); if(mh->cwt<0x200) { /* load IT 1xx volume envelope */ _mm_read_UBYTES(ih.volenv,200,modreader); for(lp=0;lp<ITENVCNT;lp++) { ih.oldvoltick[lp] = _mm_read_UBYTE(modreader); ih.volnode[lp] = _mm_read_UBYTE(modreader); } } else { /* load IT 2xx volume, pan and pitch envelopes */ ih.volflg =_mm_read_UBYTE(modreader); ih.volpts =_mm_read_UBYTE(modreader); ih.volbeg =_mm_read_UBYTE(modreader); ih.volend =_mm_read_UBYTE(modreader); ih.volsusbeg=_mm_read_UBYTE(modreader); ih.volsusend=_mm_read_UBYTE(modreader); for(lp=0;lp<ITENVCNT;lp++) { ih.volnode[lp]=_mm_read_UBYTE(modreader); ih.voltick[lp]=_mm_read_I_UWORD(modreader); } _mm_read_UBYTE(modreader); ih.panflg =_mm_read_UBYTE(modreader); ih.panpts =_mm_read_UBYTE(modreader); ih.panbeg =_mm_read_UBYTE(modreader); ih.panend =_mm_read_UBYTE(modreader); ih.pansusbeg=_mm_read_UBYTE(modreader); ih.pansusend=_mm_read_UBYTE(modreader); for(lp=0;lp<ITENVCNT;lp++) { ih.pannode[lp]=_mm_read_SBYTE(modreader); ih.pantick[lp]=_mm_read_I_UWORD(modreader); } _mm_read_UBYTE(modreader); ih.pitflg =_mm_read_UBYTE(modreader); ih.pitpts =_mm_read_UBYTE(modreader); ih.pitbeg =_mm_read_UBYTE(modreader); ih.pitend =_mm_read_UBYTE(modreader); ih.pitsusbeg=_mm_read_UBYTE(modreader); ih.pitsusend=_mm_read_UBYTE(modreader); for(lp=0;lp < ITENVCNT; lp++) { ih.pitnode[lp]=_mm_read_SBYTE(modreader); ih.pittick[lp]=_mm_read_I_UWORD(modreader); } _mm_read_UBYTE(modreader); } if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_SAMPLEINFO; return 0; } d->volflg|=EF_VOLENV; d->insname = DupStr(ih.name,26,0); d->nnatype = ih.nna & NNA_MASK; if(mh->cwt<0x200) { d->volfade=ih.fadeout<< 6; if(ih.dnc) { d->dct=DCT_NOTE; d->dca=DCA_CUT; } if(ih.volflg&1) d->volflg|=EF_ON; if(ih.volflg&2) d->volflg|=EF_LOOP; if(ih.volflg&4) d->volflg|=EF_SUSTAIN; /* XM conversion of IT envelope Array */ d->volbeg = ih.volbeg; d->volend = ih.volend; d->volsusbeg = ih.volsusbeg; d->volsusend = ih.volsusend; if(ih.volflg&1) { for(u=0;u<ITENVCNT;u++) if(ih.oldvoltick[d->volpts]!=0xff) { d->volenv[d->volpts].val=(ih.volnode[d->volpts]<<2); d->volenv[d->volpts].pos=ih.oldvoltick[d->volpts]; d->volpts++; } else break; } } else { d->panning=((ih.chanpan&127)==64)?255:(ih.chanpan&127)<<2; if(!(ih.chanpan&128)) d->flags|=IF_OWNPAN; if(!(ih.ppsep & 128)) { d->pitpansep=ih.ppsep<<2; d->pitpancenter=ih.ppcenter; d->flags|=IF_PITCHPAN; } d->globvol=ih.globvol>>1; d->volfade=ih.fadeout<<5; d->dct =ih.dct; d->dca =ih.dca; if(mh->cwt>=0x204) { d->rvolvar = ih.rvolvar; d->rpanvar = ih.rpanvar; } if(ih.volflg&1) d->volflg|=EF_ON; if(ih.volflg&2) d->volflg|=EF_LOOP; if(ih.volflg&4) d->volflg|=EF_SUSTAIN; d->volpts=ih.volpts; d->volbeg=ih.volbeg; d->volend=ih.volend; d->volsusbeg=ih.volsusbeg; d->volsusend=ih.volsusend; for(u=0;u<ih.volpts;u++) d->volenv[u].pos=ih.voltick[u]; if((d->volflg&EF_ON)&&(d->volpts<2)) d->volflg&=~EF_ON; for(u=0;u<ih.volpts;u++) d->volenv[u].val=(ih.volnode[u]<<2); if(ih.panflg&1) d->panflg|=EF_ON; if(ih.panflg&2) d->panflg|=EF_LOOP; if(ih.panflg&4) d->panflg|=EF_SUSTAIN; d->panpts=ih.panpts; d->panbeg=ih.panbeg; d->panend=ih.panend; d->pansusbeg=ih.pansusbeg; d->pansusend=ih.pansusend; for(u=0;u<ih.panpts;u++) d->panenv[u].pos=ih.pantick[u]; if((d->panflg&EF_ON)&&(d->panpts<2)) d->panflg&=~EF_ON; for(u=0;u<ih.panpts;u++) d->panenv[u].val=ih.pannode[u]==32?255:(ih.pannode[u]+32)<<2; if(ih.pitflg&1) d->pitflg|=EF_ON; if(ih.pitflg&2) d->pitflg|=EF_LOOP; if(ih.pitflg&4) d->pitflg|=EF_SUSTAIN; d->pitpts=ih.pitpts; d->pitbeg=ih.pitbeg; d->pitend=ih.pitend; d->pitsusbeg=ih.pitsusbeg; d->pitsusend=ih.pitsusend; for(u=0;u<ih.pitpts;u++) d->pitenv[u].pos=ih.pittick[u]; if((d->pitflg&EF_ON)&&(d->pitpts<2)) d->pitflg&=~EF_ON; for(u=0;u<ih.pitpts;u++) d->pitenv[u].val=ih.pitnode[u]+32; if(ih.pitflg&0x80) { /* filter envelopes not supported yet */ d->pitflg&=~EF_ON; ih.pitpts=ih.pitbeg=ih.pitend=0; #ifdef MIKMOD_DEBUG { static int warn=0; if(!warn) fputs("\rFilter envelopes not supported yet\n",stderr); warn=1; } #endif } } for(u=0;u<ITNOTECNT;u++) { d->samplenote[u]=(ih.samptable[u]&255); d->samplenumber[u]= (ih.samptable[u]>>8)?((ih.samptable[u]>>8)-1):0xffff; if(d->samplenumber[u]>=of.numsmp) d->samplenote[u]=255; else if (of.flags&UF_LINEAR) { int note=(int)d->samplenote[u]+noteindex[d->samplenumber[u]]; d->samplenote[u]=(note<0)?0:(note>255?255:note); } } d++; } } else if(of.flags & UF_LINEAR) {
static int MTM_Load(int curious) { int t,u; MTMSAMPLE s; SAMPLE *q; (void)curious; /* try to read module header */ _mm_read_UBYTES(mh->id,3,modreader); mh->version =_mm_read_UBYTE(modreader); _mm_read_string(mh->songname,20,modreader); mh->numtracks =_mm_read_I_UWORD(modreader); mh->lastpattern =_mm_read_UBYTE(modreader); mh->lastorder =_mm_read_UBYTE(modreader); mh->commentsize =_mm_read_I_UWORD(modreader); mh->numsamples =_mm_read_UBYTE(modreader); mh->attribute =_mm_read_UBYTE(modreader); mh->beatspertrack=_mm_read_UBYTE(modreader); mh->numchannels =_mm_read_UBYTE(modreader); _mm_read_UBYTES(mh->panpos,32,modreader); if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } /* set module variables */ of.initspeed = 6; of.inittempo = 125; of.modtype = StrDup(MTM_Version); of.numchn = mh->numchannels; of.numtrk = mh->numtracks+1; /* get number of channels */ of.songname = DupStr(mh->songname,20,1); /* make a cstr of songname */ of.numpos = mh->lastorder+1; /* copy the songlength */ of.numpat = mh->lastpattern+1; of.reppos = 0; of.flags |= UF_PANNING; for(t=0;t<32;t++) of.panning[t]=mh->panpos[t]<< 4; of.numins=of.numsmp=mh->numsamples; if(!AllocSamples()) return 0; q=of.samples; for(t=0;t<of.numins;t++) { /* try to read sample info */ _mm_read_string(s.samplename,22,modreader); s.length =_mm_read_I_ULONG(modreader); s.reppos =_mm_read_I_ULONG(modreader); s.repend =_mm_read_I_ULONG(modreader); s.finetune =_mm_read_UBYTE(modreader); s.volume =_mm_read_UBYTE(modreader); s.attribute =_mm_read_UBYTE(modreader); if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_SAMPLEINFO; return 0; } q->samplename = DupStr(s.samplename,22,1); q->seekpos = 0; q->speed = finetune[s.finetune]; q->length = s.length; q->loopstart = s.reppos; q->loopend = s.repend; q->volume = s.volume; if((s.repend-s.reppos)>2) q->flags |= SF_LOOP; if(s.attribute&1) { /* If the sample is 16-bits, convert the length and replen byte-values into sample-values */ q->flags|=SF_16BITS; q->length>>=1; q->loopstart>>=1; q->loopend>>=1; } q++; }
static BOOL ASY_Load(BOOL curious) { int t; SAMPLE *q; MSAMPINFO *s; CHAR *descr=asylum; ULONG seekpos; // no title in asylum amf files :( strcpy(mh->songname, ""); _mm_fseek(modreader, 0x23, SEEK_SET); mh->num_patterns = _mm_read_UBYTE(modreader); mh->num_orders = _mm_read_UBYTE(modreader); // skip unknown byte _mm_skip_BYTE(modreader); _mm_read_UBYTES(mh->positions, 256, modreader); /* read samples headers*/ for (t = 0; t < 64; t++) { s = &mh->samples[t]; _mm_fseek(modreader, 0x126 + (t*37), SEEK_SET); _mm_read_string(s->samplename, 22, modreader); s->samplename[21] = 0; /* just in case */ s->finetune = _mm_read_UBYTE(modreader); s->volume = _mm_read_UBYTE(modreader); _mm_skip_BYTE(modreader); // skip unknown byte s->length = _mm_read_I_ULONG(modreader); s->reppos = _mm_read_I_ULONG(modreader); s->replen = _mm_read_I_ULONG(modreader); } if (_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } /* set module variables */ of.initspeed = 6; of.inittempo = 125; of.numchn = 8; modtype = 0; of.songname = DupStr(mh->songname, 21, 1); of.numpos = mh->num_orders; of.reppos = 0; of.numpat = mh->num_patterns; of.numtrk = of.numpat * of.numchn; /* Copy positions (orders) */ if (!AllocPositions(of.numpos)) return 0; for (t = 0; t < of.numpos; t++) { of.positions[t] = mh->positions[t]; } /* Finally, init the sampleinfo structures */ of.numins = 31; of.numsmp = 31; if (!AllocSamples()) return 0; s = mh->samples; q = of.samples; seekpos = 2662+(2048*(of.numpat)); for (t = 0; t < of.numins; t++) { /* convert the samplename */ q->samplename = DupStr(s->samplename, 23, 1); /* init the sampleinfo variables */ q->speed = finetune[s->finetune & 0xf]; q->volume = s->volume & 0x7f; q->loopstart = (ULONG)s->reppos; q->loopend = (ULONG)q->loopstart + (s->replen); q->length = (ULONG)s->length; q->flags = SF_SIGNED; q->seekpos = seekpos; seekpos += q->length; if ((s->replen) > 2) { q->flags |= SF_LOOP; } /* fix replen if repend > length */ if (q->loopend > q->length) q->loopend = q->length; s++; q++; } of.modtype = StrDup(descr); if (!ML_LoadPatterns()) return 0; return 1; }
BOOL S3M_Load(BOOL curious) { int t,u,track = 0; SAMPLE *q; UBYTE pan[32]; /* try to read module header */ _mm_read_string(mh->songname,28,modreader); mh->t1a =_mm_read_UBYTE(modreader); mh->type =_mm_read_UBYTE(modreader); _mm_read_UBYTES(mh->unused1,2,modreader); mh->ordnum =_mm_read_I_UWORD(modreader); mh->insnum =_mm_read_I_UWORD(modreader); mh->patnum =_mm_read_I_UWORD(modreader); mh->flags =_mm_read_I_UWORD(modreader); mh->tracker =_mm_read_I_UWORD(modreader); mh->fileformat =_mm_read_I_UWORD(modreader); _mm_read_string(mh->scrm,4,modreader); mh->mastervol =_mm_read_UBYTE(modreader); mh->initspeed =_mm_read_UBYTE(modreader); mh->inittempo =_mm_read_UBYTE(modreader); mh->mastermult =_mm_read_UBYTE(modreader); mh->ultraclick =_mm_read_UBYTE(modreader); mh->pantable =_mm_read_UBYTE(modreader); _mm_read_UBYTES(mh->unused2,8,modreader); mh->special =_mm_read_I_UWORD(modreader); _mm_read_UBYTES(mh->channels,32,modreader); if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } /* set module variables */ of.songname = DupStr(mh->songname,28,0); of.numpat = mh->patnum; of.reppos = 0; of.numins = of.numsmp = mh->insnum; of.initspeed = mh->initspeed; of.inittempo = mh->inittempo; of.initvolume = mh->mastervol<<1; of.flags |= UF_ARPMEM; if((mh->tracker==0x1300)||(mh->flags&64)) of.flags|=UF_S3MSLIDES; /* read the order data */ if(!AllocPositions(mh->ordnum)) return 0; if(!(origpositions=_mm_calloc(mh->ordnum,sizeof(UWORD)))) return 0; for(t=0;t<mh->ordnum;t++) { origpositions[t]=_mm_read_UBYTE(modreader); if((origpositions[t]>=mh->patnum)&&(origpositions[t]<254)) origpositions[t]=255/*mh->patnum-1*/; } if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } poslookupcnt=(UBYTE)mh->ordnum; S3MIT_CreateOrders(curious); if(!(paraptr=(UWORD*)_mm_malloc((of.numins+of.numpat)*sizeof(UWORD)))) return 0; /* read the instrument+pattern parapointers */ _mm_read_I_UWORDS(paraptr,of.numins+of.numpat,modreader); if(mh->pantable==252) { /* read the panning table (ST 3.2 addition. See below for further portions of channel panning [past reampper]). */ _mm_read_UBYTES(pan,32,modreader); } if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } /* load samples */ if(!AllocSamples()) return 0; q = of.samples; for(t=0;t<of.numins;t++) { S3MSAMPLE s; /* seek to instrument position */ _mm_fseek(modreader,((long)paraptr[t])<<4,SEEK_SET); /* and load sample info */ s.type =_mm_read_UBYTE(modreader); _mm_read_string(s.filename,12,modreader); s.memsegh =_mm_read_UBYTE(modreader); s.memsegl =_mm_read_I_UWORD(modreader); s.length =_mm_read_I_ULONG(modreader); s.loopbeg =_mm_read_I_ULONG(modreader); s.loopend =_mm_read_I_ULONG(modreader); s.volume =_mm_read_UBYTE(modreader); s.dsk =_mm_read_UBYTE(modreader); s.pack =_mm_read_UBYTE(modreader); s.flags =_mm_read_UBYTE(modreader); s.c2spd =_mm_read_I_ULONG(modreader); _mm_read_UBYTES(s.unused,12,modreader); _mm_read_string(s.sampname,28,modreader); _mm_read_string(s.scrs,4,modreader); if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_SAMPLEINFO; return 0; } q->samplename = DupStr(s.sampname,28,0); q->speed = s.c2spd; q->length = s.length; q->loopstart = s.loopbeg>s.length?s.length:s.loopbeg; q->loopend = s.loopend>s.length?s.length:s.loopend; q->volume = s.volume; q->seekpos = (((long)s.memsegh)<<16|s.memsegl)<<4; if(s.flags&1) q->flags |= SF_LOOP; if(s.flags&4) q->flags |= SF_16BITS; if(mh->fileformat==1) q->flags |= SF_SIGNED; /* don't load sample if it doesn't have the SCRS tag */ if(memcmp(s.scrs,"SCRS",4)) q->length = 0; q++; } /* determine the number of channels actually used. */ of.numchn = 0; memset(remap,-1,32*sizeof(UBYTE)); for(t=0;t<of.numpat;t++) { /* seek to pattern position (+2 skip pattern length) */ _mm_fseek(modreader,(long)((paraptr[of.numins+t])<<4)+2,SEEK_SET); if(S3M_GetNumChannels()) return 0; } /* then we can decide the module type */ t=mh->tracker>>12; if((!t)||(t>3)) t=NUMTRACKERS-1; /* unknown tracker */ else { if(mh->tracker>=0x3217) t=NUMTRACKERS+1; /* IT 2.14p4 */ else if(mh->tracker>=0x3216) t=NUMTRACKERS; /* IT 2.14p3 */ else t--; } of.modtype = strdup(S3M_Version[t]); if(t<NUMTRACKERS) { of.modtype[numeric[t]] = ((mh->tracker>>8) &0xf)+'0'; of.modtype[numeric[t]+2] = ((mh->tracker>>4)&0xf)+'0'; of.modtype[numeric[t]+3] = ((mh->tracker)&0xf)+'0'; }
static BOOL STX_Load(BOOL curious) { int t,u,track = 0; int version = 0; SAMPLE *q; /* try to read module header */ _mm_read_string(mh->songname,20,modreader); _mm_read_string(mh->trackername,8,modreader); mh->patsize =_mm_read_I_UWORD(modreader); mh->unknown1 =_mm_read_I_UWORD(modreader); mh->patptr =_mm_read_I_UWORD(modreader); mh->insptr =_mm_read_I_UWORD(modreader); mh->chnptr =_mm_read_I_UWORD(modreader); mh->unknown2 =_mm_read_I_UWORD(modreader); mh->unknown3 =_mm_read_I_UWORD(modreader); mh->mastermult =_mm_read_UBYTE(modreader); mh->initspeed =_mm_read_UBYTE(modreader)>>4; mh->unknown4 =_mm_read_I_UWORD(modreader); mh->unknown5 =_mm_read_I_UWORD(modreader); mh->patnum =_mm_read_I_UWORD(modreader); mh->insnum =_mm_read_I_UWORD(modreader); mh->ordnum =_mm_read_I_UWORD(modreader); mh->unknown6 =_mm_read_I_UWORD(modreader); mh->unknown7 =_mm_read_I_UWORD(modreader); mh->unknown8 =_mm_read_I_UWORD(modreader); _mm_read_string(mh->scrm,4,modreader); if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } /* set module variables */ of.songname = DupStr(mh->songname,20,1); of.numpat = mh->patnum; of.reppos = 0; of.numins = of.numsmp = mh->insnum; of.initspeed = mh->initspeed; of.inittempo = 125; of.numchn = 4; of.flags |= UF_S3MSLIDES; of.bpmlimit = 32; if(!(paraptr=(UWORD*)MikMod_malloc((of.numins+of.numpat)*sizeof(UWORD)))) return 0; /* read the instrument+pattern parapointers */ _mm_fseek(modreader,mh->insptr<<4,SEEK_SET); _mm_read_I_UWORDS(paraptr,of.numins,modreader); _mm_fseek(modreader,mh->patptr<<4,SEEK_SET); _mm_read_I_UWORDS(paraptr+of.numins,of.numpat,modreader); /* check module version */ _mm_fseek(modreader,paraptr[of.numins]<<4,SEEK_SET); version=_mm_read_I_UWORD(modreader); if(version==mh->patsize) { version = 0x10; of.modtype = MikMod_strdup("STMIK 0.2 (STM2STX 1.0)"); } else { version = 0x11; of.modtype = MikMod_strdup("STMIK 0.2 (STM2STX 1.1)"); } /* read the order data */ _mm_fseek(modreader,(mh->chnptr<<4)+32,SEEK_SET); if(!AllocPositions(mh->ordnum)) return 0; for(t=0;t<mh->ordnum;t++) { of.positions[t]=_mm_read_UBYTE(modreader); _mm_fseek(modreader,4,SEEK_CUR); } of.numpos=0;poslookupcnt=mh->ordnum; for(t=0;t<mh->ordnum;t++) { int order=of.positions[t]; if(order==255) order=LAST_PATTERN; of.positions[of.numpos]=order; poslookup[t]=of.numpos; /* bug fix for freaky S3Ms */ if(of.positions[t]<254) of.numpos++; else /* special end of song pattern */ if((order==LAST_PATTERN)&&(!curious)) break; } if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_HEADER; return 0; } /* load samples */ if(!AllocSamples()) return 0; for(q=of.samples,t=0;t<of.numins;t++,q++) { STXSAMPLE s; /* seek to instrument position */ _mm_fseek(modreader,((long)paraptr[t])<<4,SEEK_SET); /* and load sample info */ s.type =_mm_read_UBYTE(modreader); _mm_read_string(s.filename,12,modreader); s.memsegh =_mm_read_UBYTE(modreader); s.memsegl =_mm_read_I_UWORD(modreader); s.length =_mm_read_I_ULONG(modreader); s.loopbeg =_mm_read_I_ULONG(modreader); s.loopend =_mm_read_I_ULONG(modreader); s.volume =_mm_read_UBYTE(modreader); s.dsk =_mm_read_UBYTE(modreader); s.pack =_mm_read_UBYTE(modreader); s.flags =_mm_read_UBYTE(modreader); s.c2spd =_mm_read_I_ULONG(modreader); _mm_read_UBYTES(s.unused,12,modreader); _mm_read_string(s.sampname,28,modreader); _mm_read_string(s.scrs,4,modreader); if(_mm_eof(modreader)) { _mm_errno = MMERR_LOADING_SAMPLEINFO; return 0; } q->samplename = DupStr(s.sampname,28,1); q->speed = (s.c2spd * 8363) / 8448; q->length = s.length; q->loopstart = s.loopbeg; q->loopend = s.loopend; q->volume = s.volume; q->seekpos = (((long)s.memsegh)<<16|s.memsegl)<<4; q->flags |= SF_SIGNED; if(s.flags&1) q->flags |= SF_LOOP; if(s.flags&4) q->flags |= SF_16BITS; } /* load pattern info */ of.numtrk=of.numpat*of.numchn; if(!AllocTracks()) return 0; if(!AllocPatterns()) return 0; for(t=0;t<of.numpat;t++) { /* seek to pattern position (+2 skip pattern length) */ _mm_fseek(modreader,(((long)paraptr[of.numins+t])<<4)+ (version==0x10?2:0),SEEK_SET); if(!STX_ReadPattern()) return 0; for(u=0;u<of.numchn;u++) if(!(of.tracks[track++]=STX_ConvertTrack(&stxbuf[u*64]))) return 0; } return 1; }