furnace/src/engine/fileOps/fur.cpp

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2024-02-05 14:08:53 -05:00
/**
* 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"
short newFormatNotes[180]={
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // -5
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // -4
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // -3
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // -2
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // -1
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // 0
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // 1
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // 2
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // 3
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // 4
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // 5
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // 6
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // 7
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, // 8
12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 // 9
};
short newFormatOctaves[180]={
250, 251, 251, 251, 251, 251, 251, 251, 251, 251, 251, 251, // -5
251, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, 252, // -4
252, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, // -3
253, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, // -2
254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, // -1
255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 1
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // 2
2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, // 3
3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, // 4
4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, // 5
5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, // 6
6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, // 7
7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, // 8
8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, // 9
};
struct PatToWrite {
unsigned short subsong, chan, pat;
PatToWrite(unsigned short s, unsigned short c, unsigned short p):
subsong(s),
chan(c),
pat(p) {}
};
void DivEngine::putAssetDirData(SafeWriter* w, std::vector<DivAssetDir>& dir) {
size_t blockStartSeek, blockEndSeek;
w->write("ADIR",4);
blockStartSeek=w->tell();
w->writeI(0);
w->writeI(dir.size());
for (DivAssetDir& i: dir) {
w->writeString(i.name,false);
w->writeS(i.entries.size());
for (int j: i.entries) {
w->writeC(j);
}
}
blockEndSeek=w->tell();
w->seek(blockStartSeek,SEEK_SET);
w->writeI(blockEndSeek-blockStartSeek-4);
w->seek(0,SEEK_END);
}
DivDataErrors DivEngine::readAssetDirData(SafeReader& reader, std::vector<DivAssetDir>& dir) {
char magic[4];
reader.read(magic,4);
if (memcmp(magic,"ADIR",4)!=0) {
logV("header is invalid: %c%c%c%c",magic[0],magic[1],magic[2],magic[3]);
return DIV_DATA_INVALID_HEADER;
}
reader.readI(); // reserved
unsigned int numDirs=reader.readI();
dir.reserve(numDirs);
for (unsigned int i=0; i<numDirs; i++) {
DivAssetDir d;
d.name=reader.readString();
unsigned short numEntries=reader.readS();
d.entries.reserve(numEntries);
for (unsigned short j=0; j<numEntries; j++) {
d.entries.push_back(((unsigned char)reader.readC()));
}
dir.push_back(d);
}
return DIV_DATA_SUCCESS;
}
void DivEngine::convertOldFlags(unsigned int oldFlags, DivConfig& newFlags, DivSystem sys) {
newFlags.clear();
switch (sys) {
case DIV_SYSTEM_SMS:
switch (oldFlags&0xff03) {
case 0x0000:
newFlags.set("clockSel",0);
break;
case 0x0001:
newFlags.set("clockSel",1);
break;
case 0x0002:
newFlags.set("clockSel",2);
break;
case 0x0003:
newFlags.set("clockSel",3);
break;
case 0x0100:
newFlags.set("clockSel",4);
break;
case 0x0101:
newFlags.set("clockSel",5);
break;
case 0x0102:
newFlags.set("clockSel",6);
break;
}
switch (oldFlags&0xcc) {
case 0x00:
newFlags.set("chipType",0);
break;
case 0x04:
newFlags.set("chipType",1);
break;
case 0x08:
newFlags.set("chipType",2);
break;
case 0x0c:
newFlags.set("chipType",3);
break;
case 0x40:
newFlags.set("chipType",4);
break;
case 0x44:
newFlags.set("chipType",5);
break;
case 0x48:
newFlags.set("chipType",6);
break;
case 0x4c:
newFlags.set("chipType",7);
break;
case 0x80:
newFlags.set("chipType",8);
break;
case 0x84:
newFlags.set("chipType",9);
break;
}
if (oldFlags&16) newFlags.set("noPhaseReset",true);
break;
case DIV_SYSTEM_GB:
newFlags.set("chipType",(int)(oldFlags&3));
if (oldFlags&8) newFlags.set("noAntiClick",true);
break;
case DIV_SYSTEM_PCE:
newFlags.set("clockSel",(int)(oldFlags&1));
newFlags.set("chipType",(oldFlags&4)?1:0);
if (oldFlags&8) newFlags.set("noAntiClick",true);
break;
case DIV_SYSTEM_NES:
case DIV_SYSTEM_VRC6:
case DIV_SYSTEM_FDS:
case DIV_SYSTEM_MMC5:
case DIV_SYSTEM_SAA1099:
case DIV_SYSTEM_OPZ:
switch (oldFlags) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
}
break;
case DIV_SYSTEM_C64_6581:
case DIV_SYSTEM_C64_8580:
switch (oldFlags&15) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
}
break;
case DIV_SYSTEM_YM2610:
case DIV_SYSTEM_YM2610_EXT:
case DIV_SYSTEM_YM2610_FULL:
case DIV_SYSTEM_YM2610_FULL_EXT:
case DIV_SYSTEM_YM2610B:
case DIV_SYSTEM_YM2610B_EXT:
switch (oldFlags&0xff) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
}
break;
case DIV_SYSTEM_AY8910:
case DIV_SYSTEM_AY8930:
switch (oldFlags&15) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
case 3:
newFlags.set("clockSel",3);
break;
case 4:
newFlags.set("clockSel",4);
break;
case 5:
newFlags.set("clockSel",5);
break;
case 6:
newFlags.set("clockSel",6);
break;
case 7:
newFlags.set("clockSel",7);
break;
case 8:
newFlags.set("clockSel",8);
break;
case 9:
newFlags.set("clockSel",9);
break;
case 10:
newFlags.set("clockSel",10);
break;
case 11:
newFlags.set("clockSel",11);
break;
case 12:
newFlags.set("clockSel",12);
break;
case 13:
if (sys==DIV_SYSTEM_AY8910) newFlags.set("clockSel",13);
break;
case 14:
if (sys==DIV_SYSTEM_AY8910) newFlags.set("clockSel",14);
break;
}
if (sys==DIV_SYSTEM_AY8910) switch ((oldFlags>>4)&3) {
case 0:
newFlags.set("chipType",0);
break;
case 1:
newFlags.set("chipType",1);
break;
case 2:
newFlags.set("chipType",2);
break;
case 3:
newFlags.set("chipType",3);
break;
}
if (oldFlags&64) newFlags.set("stereo",true);
if (oldFlags&128) newFlags.set("halfClock",true);
newFlags.set("stereoSep",(int)((oldFlags>>8)&255));
break;
case DIV_SYSTEM_AMIGA:
if (oldFlags&1) newFlags.set("clockSel",1);
if (oldFlags&2) newFlags.set("chipType",1);
if (oldFlags&4) newFlags.set("bypassLimits",true);
newFlags.set("stereoSep",(int)((oldFlags>>8)&127));
break;
case DIV_SYSTEM_YM2151:
switch (oldFlags&255) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
}
break;
case DIV_SYSTEM_YM2612:
case DIV_SYSTEM_YM2612_EXT:
case DIV_SYSTEM_YM2612_DUALPCM:
case DIV_SYSTEM_YM2612_DUALPCM_EXT:
switch (oldFlags&0x7fffffff) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
case 3:
newFlags.set("clockSel",3);
break;
case 4:
newFlags.set("clockSel",4);
break;
}
if (oldFlags&0x80000000) newFlags.set("ladderEffect",true);
break;
case DIV_SYSTEM_TIA:
newFlags.set("clockSel",(int)(oldFlags&1));
switch ((oldFlags>>1)&3) {
case 0:
newFlags.set("mixingType",0);
break;
case 1:
newFlags.set("mixingType",1);
break;
case 2:
newFlags.set("mixingType",2);
break;
}
break;
case DIV_SYSTEM_VIC20:
newFlags.set("clockSel",(int)(oldFlags&1));
break;
case DIV_SYSTEM_SNES:
newFlags.set("volScaleL",(int)(oldFlags&127));
newFlags.set("volScaleR",(int)((oldFlags>>8)&127));
break;
case DIV_SYSTEM_OPLL:
case DIV_SYSTEM_OPLL_DRUMS:
switch (oldFlags&15) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
case 3:
newFlags.set("clockSel",3);
break;
}
switch (oldFlags>>4) {
case 0:
newFlags.set("patchSet",0);
break;
case 1:
newFlags.set("patchSet",1);
break;
case 2:
newFlags.set("patchSet",2);
break;
case 3:
newFlags.set("patchSet",3);
break;
}
break;
case DIV_SYSTEM_N163:
switch (oldFlags&15) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
}
newFlags.set("channels",(int)((oldFlags>>4)&7));
if (oldFlags&128) newFlags.set("multiplex",true);
break;
case DIV_SYSTEM_YM2203:
case DIV_SYSTEM_YM2203_EXT:
switch (oldFlags&31) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
case 3:
newFlags.set("clockSel",3);
break;
case 4:
newFlags.set("clockSel",4);
break;
case 5:
newFlags.set("clockSel",5);
break;
}
switch ((oldFlags>>5)&3) {
case 0:
newFlags.set("prescale",0);
break;
case 1:
newFlags.set("prescale",1);
break;
case 2:
newFlags.set("prescale",2);
break;
}
break;
case DIV_SYSTEM_YM2608:
case DIV_SYSTEM_YM2608_EXT:
switch (oldFlags&31) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
}
switch ((oldFlags>>5)&3) {
case 0:
newFlags.set("prescale",0);
break;
case 1:
newFlags.set("prescale",1);
break;
case 2:
newFlags.set("prescale",2);
break;
}
break;
case DIV_SYSTEM_OPL:
case DIV_SYSTEM_OPL2:
case DIV_SYSTEM_Y8950:
case DIV_SYSTEM_OPL_DRUMS:
case DIV_SYSTEM_OPL2_DRUMS:
case DIV_SYSTEM_Y8950_DRUMS:
case DIV_SYSTEM_YMZ280B:
switch (oldFlags&0xff) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
case 3:
newFlags.set("clockSel",3);
break;
case 4:
newFlags.set("clockSel",4);
break;
case 5:
newFlags.set("clockSel",5);
break;
}
break;
case DIV_SYSTEM_OPL3:
case DIV_SYSTEM_OPL3_DRUMS:
switch (oldFlags&0xff) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
case 3:
newFlags.set("clockSel",3);
break;
case 4:
newFlags.set("clockSel",4);
break;
}
break;
case DIV_SYSTEM_PCSPKR:
newFlags.set("speakerType",(int)(oldFlags&3));
break;
case DIV_SYSTEM_RF5C68:
switch (oldFlags&15) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
}
switch (oldFlags>>4) {
case 0:
newFlags.set("chipType",0);
break;
case 1:
newFlags.set("chipType",1);
break;
}
break;
case DIV_SYSTEM_VRC7:
switch (oldFlags&15) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
case 3:
newFlags.set("clockSel",3);
break;
}
break;
case DIV_SYSTEM_SFX_BEEPER:
case DIV_SYSTEM_SFX_BEEPER_QUADTONE:
newFlags.set("clockSel",(int)(oldFlags&1));
break;
case DIV_SYSTEM_SCC:
case DIV_SYSTEM_SCC_PLUS:
switch (oldFlags&63) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
case 3:
newFlags.set("clockSel",3);
break;
}
break;
case DIV_SYSTEM_MSM6295:
switch (oldFlags&63) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
case 3:
newFlags.set("clockSel",3);
break;
case 4:
newFlags.set("clockSel",4);
break;
case 5:
newFlags.set("clockSel",5);
break;
case 6:
newFlags.set("clockSel",6);
break;
case 7:
newFlags.set("clockSel",7);
break;
case 8:
newFlags.set("clockSel",8);
break;
case 9:
newFlags.set("clockSel",9);
break;
case 10:
newFlags.set("clockSel",10);
break;
case 11:
newFlags.set("clockSel",11);
break;
case 12:
newFlags.set("clockSel",12);
break;
case 13:
newFlags.set("clockSel",13);
break;
case 14:
newFlags.set("clockSel",14);
break;
}
if (oldFlags&128) newFlags.set("rateSel",true);
break;
case DIV_SYSTEM_MSM6258:
switch (oldFlags) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
case 3:
newFlags.set("clockSel",3);
break;
}
break;
case DIV_SYSTEM_OPL4:
case DIV_SYSTEM_OPL4_DRUMS:
switch (oldFlags&0xff) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
case 2:
newFlags.set("clockSel",2);
break;
}
break;
case DIV_SYSTEM_X1_010:
switch (oldFlags&15) {
case 0:
newFlags.set("clockSel",0);
break;
case 1:
newFlags.set("clockSel",1);
break;
}
if (oldFlags&16) newFlags.set("stereo",true);
break;
case DIV_SYSTEM_SOUND_UNIT:
newFlags.set("clockSel",(int)(oldFlags&1));
if (oldFlags&4) newFlags.set("echo",true);
if (oldFlags&8) newFlags.set("swapEcho",true);
newFlags.set("sampleMemSize",(int)((oldFlags>>4)&1));
if (oldFlags&32) newFlags.set("pdm",true);
newFlags.set("echoDelay",(int)((oldFlags>>8)&63));
newFlags.set("echoFeedback",(int)((oldFlags>>16)&15));
newFlags.set("echoResolution",(int)((oldFlags>>20)&15));
newFlags.set("echoVol",(int)((oldFlags>>24)&255));
break;
case DIV_SYSTEM_PCM_DAC:
if (!oldFlags) oldFlags=0x1f0000|44099;
newFlags.set("rate",(int)((oldFlags&0xffff)+1));
newFlags.set("outDepth",(int)((oldFlags>>16)&15));
if (oldFlags&0x100000) newFlags.set("stereo",true);
break;
case DIV_SYSTEM_QSOUND:
newFlags.set("echoDelay",(int)(oldFlags&0xfff));
newFlags.set("echoFeedback",(int)((oldFlags>>12)&255));
break;
default:
break;
}
}
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bool DivEngine::loadFur(unsigned char* file, size_t len, int variantID) {
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unsigned int insPtr[256];
unsigned int wavePtr[256];
unsigned int samplePtr[256];
unsigned int subSongPtr[256];
unsigned int sysFlagsPtr[DIV_MAX_CHIPS];
unsigned int assetDirPtr[3];
std::vector<unsigned int> patPtr;
int numberOfSubSongs=0;
char magic[5];
memset(magic,0,5);
SafeReader reader=SafeReader(file,len);
warnings="";
assetDirPtr[0]=0;
assetDirPtr[1]=0;
assetDirPtr[2]=0;
try {
DivSong ds;
DivSubSong* subSong=ds.subsong[0];
if (!reader.seek(16,SEEK_SET)) {
logE("premature end of file!");
lastError="incomplete file";
delete[] file;
return false;
}
ds.version=reader.readS();
logI("module version %d (0x%.2x)",ds.version,ds.version);
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if (variantID!=DIV_FUR_VARIANT_VANILLA) {
logW("Furnace variant detected: %d",variantID);
addWarning("this module was created with a downstream version of Furnace. certain features may not be compatible.");
}
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if (ds.version>DIV_ENGINE_VERSION) {
logW("this module was created with a more recent version of Furnace!");
addWarning("this module was created with a more recent version of Furnace!");
}
if (ds.version<37) { // compat flags not stored back then
ds.limitSlides=true;
ds.linearPitch=1;
ds.loopModality=0;
}
if (ds.version<43) {
ds.properNoiseLayout=false;
ds.waveDutyIsVol=false;
}
if (ds.version<45) {
ds.resetMacroOnPorta=true;
ds.legacyVolumeSlides=true;
ds.compatibleArpeggio=true;
ds.noteOffResetsSlides=true;
ds.targetResetsSlides=true;
}
if (ds.version<46) {
ds.arpNonPorta=true;
ds.algMacroBehavior=true;
} else {
ds.arpNonPorta=false;
ds.algMacroBehavior=false;
}
if (ds.version<49) {
ds.brokenShortcutSlides=true;
}
if (ds.version<50) {
ds.ignoreDuplicateSlides=false;
}
if (ds.version<62) {
ds.stopPortaOnNoteOff=true;
}
if (ds.version<64) {
ds.brokenDACMode=false;
}
if (ds.version<65) {
ds.oneTickCut=false;
}
if (ds.version<66) {
ds.newInsTriggersInPorta=false;
}
if (ds.version<69) {
ds.arp0Reset=false;
}
if (ds.version<71) {
ds.noSlidesOnFirstTick=false;
ds.rowResetsArpPos=false;
ds.ignoreJumpAtEnd=true;
}
if (ds.version<72) {
ds.buggyPortaAfterSlide=true;
ds.gbInsAffectsEnvelope=false;
}
if (ds.version<78) {
ds.sharedExtStat=false;
}
if (ds.version<83) {
ds.ignoreDACModeOutsideIntendedChannel=true;
ds.e1e2AlsoTakePriority=false;
}
if (ds.version<84) {
ds.newSegaPCM=false;
}
if (ds.version<85) {
ds.fbPortaPause=true;
}
if (ds.version<86) {
ds.snDutyReset=true;
}
if (ds.version<90) {
ds.pitchMacroIsLinear=false;
}
if (ds.version<97) {
ds.oldOctaveBoundary=true;
}
if (ds.version<97) { // actually should be 98 but yky uses this feature ahead of time
ds.noOPN2Vol=true;
}
if (ds.version<99) {
ds.newVolumeScaling=false;
ds.volMacroLinger=false;
ds.brokenOutVol=true;
}
if (ds.version<100) {
ds.e1e2StopOnSameNote=false;
}
if (ds.version<101) {
ds.brokenPortaArp=true;
}
if (ds.version<108) {
ds.snNoLowPeriods=true;
}
if (ds.version<110) {
ds.delayBehavior=1;
}
if (ds.version<113) {
ds.jumpTreatment=1;
}
if (ds.version<115) {
ds.autoSystem=false;
}
if (ds.version<117) {
ds.disableSampleMacro=true;
}
if (ds.version<121) {
ds.brokenOutVol2=false;
}
if (ds.version<130) {
ds.oldArpStrategy=true;
}
if (ds.version<138) {
ds.brokenPortaLegato=true;
}
if (ds.version<155) {
ds.brokenFMOff=true;
}
if (ds.version<168) {
ds.preNoteNoEffect=true;
}
if (ds.version<183) {
ds.oldDPCM=true;
}
if (ds.version<184) {
ds.resetArpPhaseOnNewNote=false;
}
if (ds.version<188) {
ds.ceilVolumeScaling=false;
}
if (ds.version<191) {
ds.oldAlwaysSetVolume=true;
}
if (ds.version<200) {
ds.oldSampleOffset=true;
}
2024-02-05 14:08:53 -05:00
ds.isDMF=false;
reader.readS(); // reserved
int infoSeek=reader.readI();
if (!reader.seek(infoSeek,SEEK_SET)) {
logE("couldn't seek to info header at %d!",infoSeek);
lastError="couldn't seek to info header!";
delete[] file;
return false;
}
// read header
reader.read(magic,4);
if (strcmp(magic,"INFO")!=0) {
logE("invalid info header!");
lastError="invalid info header!";
delete[] file;
return false;
}
reader.readI();
subSong->timeBase=reader.readC();
subSong->speeds.len=2;
subSong->speeds.val[0]=reader.readC();
subSong->speeds.val[1]=reader.readC();
subSong->arpLen=reader.readC();
subSong->hz=reader.readF();
subSong->patLen=reader.readS();
subSong->ordersLen=reader.readS();
subSong->hilightA=reader.readC();
subSong->hilightB=reader.readC();
ds.insLen=reader.readS();
ds.waveLen=reader.readS();
ds.sampleLen=reader.readS();
int numberOfPats=reader.readI();
if (subSong->patLen<0) {
logE("pattern length is negative!");
lastError="pattern lengrh is negative!";
delete[] file;
return false;
}
if (subSong->patLen>DIV_MAX_ROWS) {
logE("pattern length is too large!");
lastError="pattern length is too large!";
delete[] file;
return false;
}
if (subSong->ordersLen<0) {
logE("song length is negative!");
lastError="song length is negative!";
delete[] file;
return false;
}
if (subSong->ordersLen>DIV_MAX_PATTERNS) {
logE("song is too long!");
lastError="song is too long!";
delete[] file;
return false;
}
if (ds.insLen<0 || ds.insLen>256) {
logE("invalid instrument count!");
lastError="invalid instrument count!";
delete[] file;
return false;
}
if (ds.waveLen<0 || ds.waveLen>256) {
logE("invalid wavetable count!");
lastError="invalid wavetable count!";
delete[] file;
return false;
}
if (ds.sampleLen<0 || ds.sampleLen>256) {
logE("invalid sample count!");
lastError="invalid sample count!";
delete[] file;
return false;
}
if (numberOfPats<0) {
logE("invalid pattern count!");
lastError="invalid pattern count!";
delete[] file;
return false;
}
logD("systems:");
ds.systemLen=0;
for (int i=0; i<DIV_MAX_CHIPS; i++) {
unsigned char sysID=reader.readC();
ds.system[i]=systemFromFileFur(sysID);
logD("- %d: %.2x (%s)",i,sysID,getSystemName(ds.system[i]));
if (sysID!=0 && systemToFileFur(ds.system[i])==0) {
logE("unrecognized system ID %.2x",sysID);
lastError=fmt::sprintf("unrecognized system ID %.2x!",sysID);
delete[] file;
return false;
}
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;
logW("too many channels!");
}
logV("system len: %d",ds.systemLen);
if (ds.systemLen<1) {
logE("zero chips!");
lastError="zero chips!";
delete[] file;
return false;
}
// system volume
for (int i=0; i<DIV_MAX_CHIPS; i++) {
signed char oldSysVol=reader.readC();
ds.systemVol[i]=(float)oldSysVol/64.0f;
if (ds.version<59 && ds.system[i]==DIV_SYSTEM_NES) {
ds.systemVol[i]/=4;
}
}
// system panning
for (int i=0; i<DIV_MAX_CHIPS; i++) {
signed char oldSysPan=reader.readC();
ds.systemPan[i]=(float)oldSysPan/127.0f;
}
// system props
for (int i=0; i<DIV_MAX_CHIPS; i++) {
sysFlagsPtr[i]=reader.readI();
}
// handle compound systems
for (int i=0; i<DIV_MAX_CHIPS; i++) {
if (ds.system[i]==DIV_SYSTEM_GENESIS ||
ds.system[i]==DIV_SYSTEM_GENESIS_EXT ||
ds.system[i]==DIV_SYSTEM_ARCADE) {
for (int j=31; j>i; j--) {
ds.system[j]=ds.system[j-1];
ds.systemVol[j]=ds.systemVol[j-1];
ds.systemPan[j]=ds.systemPan[j-1];
}
if (++ds.systemLen>DIV_MAX_CHIPS) ds.systemLen=DIV_MAX_CHIPS;
if (ds.system[i]==DIV_SYSTEM_GENESIS) {
ds.system[i]=DIV_SYSTEM_YM2612;
if (i<31) {
ds.system[i+1]=DIV_SYSTEM_SMS;
ds.systemVol[i+1]=ds.systemVol[i]*0.375f;
}
}
if (ds.system[i]==DIV_SYSTEM_GENESIS_EXT) {
ds.system[i]=DIV_SYSTEM_YM2612_EXT;
if (i<31) {
ds.system[i+1]=DIV_SYSTEM_SMS;
ds.systemVol[i+1]=ds.systemVol[i]*0.375f;
}
}
if (ds.system[i]==DIV_SYSTEM_ARCADE) {
ds.system[i]=DIV_SYSTEM_YM2151;
if (i<31) {
ds.system[i+1]=DIV_SYSTEM_SEGAPCM_COMPAT;
}
}
i++;
}
}
ds.name=reader.readString();
ds.author=reader.readString();
logI("%s by %s",ds.name.c_str(),ds.author.c_str());
if (ds.version>=33) {
ds.tuning=reader.readF();
} else {
reader.readI();
}
// compatibility flags
if (ds.version>=37) {
ds.limitSlides=reader.readC();
ds.linearPitch=reader.readC();
ds.loopModality=reader.readC();
if (ds.version>=43) {
ds.properNoiseLayout=reader.readC();
} else {
reader.readC();
}
if (ds.version>=43) {
ds.waveDutyIsVol=reader.readC();
} else {
reader.readC();
}
if (ds.version>=45) {
ds.resetMacroOnPorta=reader.readC();
} else {
reader.readC();
}
if (ds.version>=45) {
ds.legacyVolumeSlides=reader.readC();
} else {
reader.readC();
}
if (ds.version>=45) {
ds.compatibleArpeggio=reader.readC();
} else {
reader.readC();
}
if (ds.version>=45) {
ds.noteOffResetsSlides=reader.readC();
} else {
reader.readC();
}
if (ds.version>=45) {
ds.targetResetsSlides=reader.readC();
} else {
reader.readC();
}
if (ds.version>=47) {
ds.arpNonPorta=reader.readC();
} else {
reader.readC();
}
if (ds.version>=47) {
ds.algMacroBehavior=reader.readC();
} else {
reader.readC();
}
if (ds.version>=49) {
ds.brokenShortcutSlides=reader.readC();
} else {
reader.readC();
}
if (ds.version>=50) {
ds.ignoreDuplicateSlides=reader.readC();
} else {
reader.readC();
}
if (ds.version>=62) {
ds.stopPortaOnNoteOff=reader.readC();
ds.continuousVibrato=reader.readC();
} else {
reader.readC();
reader.readC();
}
if (ds.version>=64) {
ds.brokenDACMode=reader.readC();
} else {
reader.readC();
}
if (ds.version>=65) {
ds.oneTickCut=reader.readC();
} else {
reader.readC();
}
if (ds.version>=66) {
ds.newInsTriggersInPorta=reader.readC();
} else {
reader.readC();
}
if (ds.version>=69) {
ds.arp0Reset=reader.readC();
} else {
reader.readC();
}
} else {
for (int i=0; i<20; i++) reader.readC();
}
// pointers
for (int i=0; i<ds.insLen; i++) {
insPtr[i]=reader.readI();
}
for (int i=0; i<ds.waveLen; i++) {
wavePtr[i]=reader.readI();
}
for (int i=0; i<ds.sampleLen; i++) {
samplePtr[i]=reader.readI();
}
patPtr.reserve(numberOfPats);
for (int i=0; i<numberOfPats; i++) patPtr.push_back(reader.readI());
logD("reading orders (%d)...",subSong->ordersLen);
for (int i=0; i<tchans; i++) {
for (int j=0; j<subSong->ordersLen; j++) {
subSong->orders.ord[i][j]=reader.readC();
}
}
for (int i=0; i<tchans; i++) {
subSong->pat[i].effectCols=reader.readC();
if (subSong->pat[i].effectCols<1 || subSong->pat[i].effectCols>DIV_MAX_EFFECTS) {
logE("channel %d has zero or too many effect columns! (%d)",i,subSong->pat[i].effectCols);
lastError=fmt::sprintf("channel %d has too many effect columns! (%d)",i,subSong->pat[i].effectCols);
delete[] file;
return false;
}
}
if (ds.version>=39) {
for (int i=0; i<tchans; i++) {
if (ds.version<189) {
subSong->chanShow[i]=reader.readC();
subSong->chanShowChanOsc[i]=subSong->chanShow[i];
} else {
unsigned char tempchar=reader.readC();
subSong->chanShow[i]=tempchar&1;
subSong->chanShowChanOsc[i]=(tempchar&2);
}
}
for (int i=0; i<tchans; i++) {
subSong->chanCollapse[i]=reader.readC();
}
if (ds.version<92) {
for (int i=0; i<tchans; i++) {
if (subSong->chanCollapse[i]>0) subSong->chanCollapse[i]=3;
}
}
for (int i=0; i<tchans; i++) {
subSong->chanName[i]=reader.readString();
}
for (int i=0; i<tchans; i++) {
subSong->chanShortName[i]=reader.readString();
}
ds.notes=reader.readString();
}
if (ds.version>=59) {
ds.masterVol=reader.readF();
} else {
ds.masterVol=2.0f;
}
if (ds.version>=70) {
// extended compat flags
ds.brokenSpeedSel=reader.readC();
if (ds.version>=71) {
ds.noSlidesOnFirstTick=reader.readC();
ds.rowResetsArpPos=reader.readC();
ds.ignoreJumpAtEnd=reader.readC();
} else {
reader.readC();
reader.readC();
reader.readC();
}
if (ds.version>=72) {
ds.buggyPortaAfterSlide=reader.readC();
ds.gbInsAffectsEnvelope=reader.readC();
} else {
reader.readC();
reader.readC();
}
if (ds.version>=78) {
ds.sharedExtStat=reader.readC();
} else {
reader.readC();
}
if (ds.version>=83) {
ds.ignoreDACModeOutsideIntendedChannel=reader.readC();
ds.e1e2AlsoTakePriority=reader.readC();
} else {
reader.readC();
reader.readC();
}
if (ds.version>=84) {
ds.newSegaPCM=reader.readC();
} else {
reader.readC();
}
if (ds.version>=85) {
ds.fbPortaPause=reader.readC();
} else {
reader.readC();
}
if (ds.version>=86) {
ds.snDutyReset=reader.readC();
} else {
reader.readC();
}
if (ds.version>=90) {
ds.pitchMacroIsLinear=reader.readC();
} else {
reader.readC();
}
if (ds.version>=94) {
ds.pitchSlideSpeed=reader.readC();
} else {
reader.readC();
}
if (ds.version>=97) {
ds.oldOctaveBoundary=reader.readC();
} else {
reader.readC();
}
if (ds.version>=98) {
ds.noOPN2Vol=reader.readC();
} else {
reader.readC();
}
if (ds.version>=99) {
ds.newVolumeScaling=reader.readC();
ds.volMacroLinger=reader.readC();
ds.brokenOutVol=reader.readC();
} else {
reader.readC();
reader.readC();
reader.readC();
}
if (ds.version>=100) {
ds.e1e2StopOnSameNote=reader.readC();
} else {
reader.readC();
}
if (ds.version>=101) {
ds.brokenPortaArp=reader.readC();
} else {
reader.readC();
}
if (ds.version>=108) {
ds.snNoLowPeriods=reader.readC();
} else {
reader.readC();
}
if (ds.version>=110) {
ds.delayBehavior=reader.readC();
} else {
reader.readC();
}
if (ds.version>=113) {
ds.jumpTreatment=reader.readC();
} else {
reader.readC();
}
if (ds.version>=115) {
ds.autoSystem=reader.readC();
} else {
reader.readC();
}
if (ds.version>=117) {
ds.disableSampleMacro=reader.readC();
} else {
reader.readC();
}
if (ds.version>=121) {
ds.brokenOutVol2=reader.readC();
} else {
reader.readC();
}
if (ds.version>=130) {
ds.oldArpStrategy=reader.readC();
} else {
reader.readC();
}
}
// first song virtual tempo
if (ds.version>=96) {
subSong->virtualTempoN=reader.readS();
subSong->virtualTempoD=reader.readS();
} else {
reader.readI();
}
// subsongs
if (ds.version>=95) {
subSong->name=reader.readString();
subSong->notes=reader.readString();
numberOfSubSongs=(unsigned char)reader.readC();
reader.readC(); // reserved
reader.readC();
reader.readC();
// pointers
for (int i=0; i<numberOfSubSongs; i++) {
subSongPtr[i]=reader.readI();
}
}
// additional metadata
if (ds.version>=103) {
ds.systemName=reader.readString();
ds.category=reader.readString();
ds.nameJ=reader.readString();
ds.authorJ=reader.readString();
ds.systemNameJ=reader.readString();
ds.categoryJ=reader.readString();
} else {
ds.systemName=getSongSystemLegacyName(ds,!getConfInt("noMultiSystem",0));
ds.autoSystem=true;
}
// system output config
if (ds.version>=135) {
for (int i=0; i<ds.systemLen; i++) {
ds.systemVol[i]=reader.readF();
ds.systemPan[i]=reader.readF();
ds.systemPanFR[i]=reader.readF();
}
// patchbay
unsigned int conns=reader.readI();
if (conns>0) ds.patchbay.reserve(conns);
for (unsigned int i=0; i<conns; i++) {
ds.patchbay.push_back((unsigned int)reader.readI());
}
}
if (ds.version>=136) ds.patchbayAuto=reader.readC();
if (ds.version>=138) {
ds.brokenPortaLegato=reader.readC();
if (ds.version>=155) {
ds.brokenFMOff=reader.readC();
} else {
reader.readC();
}
if (ds.version>=168) {
ds.preNoteNoEffect=reader.readC();
} else {
reader.readC();
}
if (ds.version>=183) {
ds.oldDPCM=reader.readC();
} else {
reader.readC();
}
if (ds.version>=184) {
ds.resetArpPhaseOnNewNote=reader.readC();
} else {
reader.readC();
}
if (ds.version>=188) {
ds.ceilVolumeScaling=reader.readC();
} else {
reader.readC();
}
if (ds.version>=191) {
ds.oldAlwaysSetVolume=reader.readC();
} else {
reader.readC();
}
if (ds.version>=200) {
ds.oldSampleOffset=reader.readC();
} else {
2024-02-05 14:08:53 -05:00
reader.readC();
}
}
if (ds.version>=139) {
subSong->speeds.len=reader.readC();
for (int i=0; i<16; i++) {
subSong->speeds.val[i]=reader.readC();
}
// grooves
unsigned char grooveCount=reader.readC();
ds.grooves.reserve(grooveCount);
for (int i=0; i<grooveCount; i++) {
DivGroovePattern gp;
gp.len=reader.readC();
for (int j=0; j<16; j++) {
gp.val[j]=reader.readC();
}
ds.grooves.push_back(gp);
}
}
if (ds.version>=156) {
assetDirPtr[0]=reader.readI();
assetDirPtr[1]=reader.readI();
assetDirPtr[2]=reader.readI();
}
// read system flags
if (ds.version>=119) {
logD("reading chip flags...");
for (int i=0; i<DIV_MAX_CHIPS; i++) {
if (sysFlagsPtr[i]==0) continue;
if (!reader.seek(sysFlagsPtr[i],SEEK_SET)) {
logE("couldn't seek to chip %d flags!",i+1);
lastError=fmt::sprintf("couldn't seek to chip %d flags!",i+1);
ds.unload();
delete[] file;
return false;
}
reader.read(magic,4);
if (strcmp(magic,"FLAG")!=0) {
logE("%d: invalid flag header!",i);
lastError="invalid flag header!";
ds.unload();
delete[] file;
return false;
}
reader.readI();
String data=reader.readString();
ds.systemFlags[i].loadFromMemory(data.c_str());
}
} else {
logD("reading old chip flags...");
for (int i=0; i<ds.systemLen; i++) {
convertOldFlags(sysFlagsPtr[i],ds.systemFlags[i],ds.system[i]);
}
}
// read asset directories
if (ds.version>=156) {
logD("reading asset directories...");
if (!reader.seek(assetDirPtr[0],SEEK_SET)) {
logE("couldn't seek to ins dir!");
lastError=fmt::sprintf("couldn't read instrument directory");
ds.unload();
delete[] file;
return false;
}
if (readAssetDirData(reader,ds.insDir)!=DIV_DATA_SUCCESS) {
lastError="invalid instrument directory data!";
ds.unload();
delete[] file;
return false;
}
if (!reader.seek(assetDirPtr[1],SEEK_SET)) {
logE("couldn't seek to wave dir!");
lastError=fmt::sprintf("couldn't read wavetable directory");
ds.unload();
delete[] file;
return false;
}
if (readAssetDirData(reader,ds.waveDir)!=DIV_DATA_SUCCESS) {
lastError="invalid wavetable directory data!";
ds.unload();
delete[] file;
return false;
}
if (!reader.seek(assetDirPtr[2],SEEK_SET)) {
logE("couldn't seek to sample dir!");
lastError=fmt::sprintf("couldn't read sample directory");
ds.unload();
delete[] file;
return false;
}
if (readAssetDirData(reader,ds.sampleDir)!=DIV_DATA_SUCCESS) {
lastError="invalid sample directory data!";
ds.unload();
delete[] file;
return false;
}
}
// read subsongs
if (ds.version>=95) {
ds.subsong.reserve(numberOfSubSongs);
for (int i=0; i<numberOfSubSongs; i++) {
ds.subsong.push_back(new DivSubSong);
if (!reader.seek(subSongPtr[i],SEEK_SET)) {
logE("couldn't seek to subsong %d!",i+1);
lastError=fmt::sprintf("couldn't seek to subsong %d!",i+1);
ds.unload();
delete[] file;
return false;
}
reader.read(magic,4);
if (strcmp(magic,"SONG")!=0) {
logE("%d: invalid subsong header!",i);
lastError="invalid subsong header!";
ds.unload();
delete[] file;
return false;
}
reader.readI();
subSong=ds.subsong[i+1];
subSong->timeBase=reader.readC();
subSong->speeds.len=2;
subSong->speeds.val[0]=reader.readC();
subSong->speeds.val[1]=reader.readC();
subSong->arpLen=reader.readC();
subSong->hz=reader.readF();
subSong->patLen=reader.readS();
subSong->ordersLen=reader.readS();
subSong->hilightA=reader.readC();
subSong->hilightB=reader.readC();
if (ds.version>=96) {
subSong->virtualTempoN=reader.readS();
subSong->virtualTempoD=reader.readS();
} else {
reader.readI();
}
subSong->name=reader.readString();
subSong->notes=reader.readString();
logD("reading orders of subsong %d (%d)...",i+1,subSong->ordersLen);
for (int j=0; j<tchans; j++) {
for (int k=0; k<subSong->ordersLen; k++) {
subSong->orders.ord[j][k]=reader.readC();
}
}
for (int i=0; i<tchans; i++) {
subSong->pat[i].effectCols=reader.readC();
}
for (int i=0; i<tchans; i++) {
if (ds.version<189) {
subSong->chanShow[i]=reader.readC();
subSong->chanShowChanOsc[i]=subSong->chanShow[i];
} else {
unsigned char tempchar=reader.readC();
subSong->chanShow[i]=tempchar&1;
subSong->chanShowChanOsc[i]=tempchar&2;
}
}
for (int i=0; i<tchans; i++) {
subSong->chanCollapse[i]=reader.readC();
}
for (int i=0; i<tchans; i++) {
subSong->chanName[i]=reader.readString();
}
for (int i=0; i<tchans; i++) {
subSong->chanShortName[i]=reader.readString();
}
if (ds.version>=139) {
subSong->speeds.len=reader.readC();
for (int i=0; i<16; i++) {
subSong->speeds.val[i]=reader.readC();
}
}
}
}
// read instruments
ds.ins.reserve(ds.insLen);
for (int i=0; i<ds.insLen; i++) {
DivInstrument* ins=new DivInstrument;
logD("reading instrument %d at %x...",i,insPtr[i]);
if (!reader.seek(insPtr[i],SEEK_SET)) {
logE("couldn't seek to instrument %d!",i);
lastError=fmt::sprintf("couldn't seek to instrument %d!",i);
ds.unload();
delete ins;
delete[] file;
return false;
}
if (ins->readInsData(reader,ds.version)!=DIV_DATA_SUCCESS) {
lastError="invalid instrument header/data!";
ds.unload();
delete ins;
delete[] file;
return false;
}
ds.ins.push_back(ins);
}
// read wavetables
ds.wave.reserve(ds.waveLen);
for (int i=0; i<ds.waveLen; i++) {
DivWavetable* wave=new DivWavetable;
logD("reading wavetable %d at %x...",i,wavePtr[i]);
if (!reader.seek(wavePtr[i],SEEK_SET)) {
logE("couldn't seek to wavetable %d!",i);
lastError=fmt::sprintf("couldn't seek to wavetable %d!",i);
ds.unload();
delete wave;
delete[] file;
return false;
}
if (wave->readWaveData(reader,ds.version)!=DIV_DATA_SUCCESS) {
lastError="invalid wavetable header/data!";
ds.unload();
delete wave;
delete[] file;
return false;
}
ds.wave.push_back(wave);
}
// read samples
ds.sample.reserve(ds.sampleLen);
for (int i=0; i<ds.sampleLen; i++) {
DivSample* sample=new DivSample;
if (!reader.seek(samplePtr[i],SEEK_SET)) {
logE("couldn't seek to sample %d!",i);
lastError=fmt::sprintf("couldn't seek to sample %d!",i);
ds.unload();
delete sample;
delete[] file;
return false;
}
if (sample->readSampleData(reader,ds.version)!=DIV_DATA_SUCCESS) {
lastError="invalid sample header/data!";
ds.unload();
delete sample;
delete[] file;
return false;
}
ds.sample.push_back(sample);
}
// read patterns
for (unsigned int i: patPtr) {
bool isNewFormat=false;
if (!reader.seek(i,SEEK_SET)) {
logE("couldn't seek to pattern in %x!",i);
lastError=fmt::sprintf("couldn't seek to pattern in %x!",i);
ds.unload();
delete[] file;
return false;
}
reader.read(magic,4);
logD("reading pattern in %x...",i);
if (strcmp(magic,"PATR")!=0) {
if (strcmp(magic,"PATN")!=0 || ds.version<157) {
logE("%x: invalid pattern header!",i);
lastError="invalid pattern header!";
ds.unload();
delete[] file;
return false;
} else {
isNewFormat=true;
}
}
reader.readI();
if (isNewFormat) {
int subs=(unsigned char)reader.readC();
int chan=(unsigned char)reader.readC();
int index=reader.readS();
logD("- %d, %d, %d (new)",subs,chan,index);
if (chan<0 || chan>=tchans) {
logE("pattern channel out of range!",i);
lastError="pattern channel out of range!";
ds.unload();
delete[] file;
return false;
}
if (index<0 || index>(DIV_MAX_PATTERNS-1)) {
logE("pattern index out of range!",i);
lastError="pattern index out of range!";
ds.unload();
delete[] file;
return false;
}
if (subs<0 || subs>=(int)ds.subsong.size()) {
logE("pattern subsong out of range!",i);
lastError="pattern subsong out of range!";
ds.unload();
delete[] file;
return false;
}
DivPattern* pat=ds.subsong[subs]->pat[chan].getPattern(index,true);
pat->name=reader.readString();
// read new pattern
for (int j=0; j<ds.subsong[subs]->patLen; j++) {
unsigned char mask=reader.readC();
unsigned short effectMask=0;
if (mask==0xff) break;
if (mask&128) {
j+=(mask&127)+1;
continue;
}
if (mask&32) {
effectMask|=(unsigned char)reader.readC();
}
if (mask&64) {
effectMask|=((unsigned short)reader.readC()&0xff)<<8;
}
if (mask&8) effectMask|=1;
if (mask&16) effectMask|=2;
if (mask&1) { // note
unsigned char note=reader.readC();
if (note==180) {
pat->data[j][0]=100;
pat->data[j][1]=0;
} else if (note==181) {
pat->data[j][0]=101;
pat->data[j][1]=0;
} else if (note==182) {
pat->data[j][0]=102;
pat->data[j][1]=0;
} else if (note<180) {
pat->data[j][0]=newFormatNotes[note];
pat->data[j][1]=newFormatOctaves[note];
} else {
pat->data[j][0]=0;
pat->data[j][1]=0;
}
}
if (mask&2) { // instrument
pat->data[j][2]=(unsigned char)reader.readC();
}
if (mask&4) { // volume
pat->data[j][3]=(unsigned char)reader.readC();
}
for (unsigned char k=0; k<16; k++) {
if (effectMask&(1<<k)) {
pat->data[j][4+k]=(unsigned char)reader.readC();
}
}
}
} else {
int chan=reader.readS();
int index=reader.readS();
int subs=0;
if (ds.version>=95) {
subs=reader.readS();
} else {
reader.readS();
}
reader.readS();
logD("- %d, %d, %d (old)",subs,chan,index);
if (chan<0 || chan>=tchans) {
logE("pattern channel out of range!",i);
lastError="pattern channel out of range!";
ds.unload();
delete[] file;
return false;
}
if (index<0 || index>(DIV_MAX_PATTERNS-1)) {
logE("pattern index out of range!",i);
lastError="pattern index out of range!";
ds.unload();
delete[] file;
return false;
}
if (subs<0 || subs>=(int)ds.subsong.size()) {
logE("pattern subsong out of range!",i);
lastError="pattern subsong out of range!";
ds.unload();
delete[] file;
return false;
}
DivPattern* pat=ds.subsong[subs]->pat[chan].getPattern(index,true);
for (int j=0; j<ds.subsong[subs]->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.subsong[subs]->pat[chan].effectCols; k++) {
pat->data[j][4+(k<<1)]=reader.readS();
pat->data[j][5+(k<<1)]=reader.readS();
}
if (pat->data[j][0]==0 && pat->data[j][1]!=0) {
logD("what? %d:%d:%d note %d octave %d",chan,i,j,pat->data[j][0],pat->data[j][1]);
pat->data[j][0]=12;
pat->data[j][1]--;
}
}
if (ds.version>=51) {
pat->name=reader.readString();
}
}
}
if (reader.tell()<reader.size()) {
if ((reader.tell()+1)!=reader.size()) {
logW("premature end of song (we are at %x, but size is %x)",reader.tell(),reader.size());
}
}
// convert OPM/NES instrument types
if (ds.version<117) {
int opnCount=0;
int opmCount=0;
int snCount=0;
int nesCount=0;
for (int i=0; i<ds.systemLen; i++) {
switch (ds.system[i]) {
case DIV_SYSTEM_NES:
case DIV_SYSTEM_MMC5:
nesCount++;
break;
case DIV_SYSTEM_SMS:
snCount++;
break;
case DIV_SYSTEM_YM2151:
case DIV_SYSTEM_OPZ:
opmCount++;
break;
case DIV_SYSTEM_YM2610:
case DIV_SYSTEM_YM2610_EXT:
case DIV_SYSTEM_YM2610_FULL:
case DIV_SYSTEM_YM2610_FULL_EXT:
case DIV_SYSTEM_YM2610B:
case DIV_SYSTEM_YM2610B_EXT:
case DIV_SYSTEM_YM2203:
case DIV_SYSTEM_YM2203_EXT:
case DIV_SYSTEM_YM2608:
case DIV_SYSTEM_YM2608_EXT:
case DIV_SYSTEM_YM2612:
case DIV_SYSTEM_YM2612_EXT:
case DIV_SYSTEM_YM2612_DUALPCM:
case DIV_SYSTEM_YM2612_DUALPCM_EXT:
opnCount++;
break;
default:
break;
}
}
if (opmCount>opnCount) {
for (DivInstrument* i: ds.ins) {
if (i->type==DIV_INS_FM) i->type=DIV_INS_OPM;
}
}
if (nesCount>snCount) {
for (DivInstrument* i: ds.ins) {
if (i->type==DIV_INS_STD) i->type=DIV_INS_NES;
}
}
}
// ExtCh compat flag
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_YM2612_EXT ||
ds.system[i]==DIV_SYSTEM_YM2612_DUALPCM_EXT ||
ds.system[i]==DIV_SYSTEM_YM2610_EXT ||
ds.system[i]==DIV_SYSTEM_YM2610_FULL_EXT ||
ds.system[i]==DIV_SYSTEM_YM2610B_EXT ||
ds.system[i]==DIV_SYSTEM_YM2203_EXT ||
ds.system[i]==DIV_SYSTEM_YM2608_EXT ||
ds.system[i]==DIV_SYSTEM_YM2612_CSM ||
ds.system[i]==DIV_SYSTEM_YM2203_CSM ||
ds.system[i]==DIV_SYSTEM_YM2608_CSM ||
ds.system[i]==DIV_SYSTEM_YM2610_CSM ||
ds.system[i]==DIV_SYSTEM_YM2610B_CSM) {
if (ds.version<125) {
ds.systemFlags[i].set("noExtMacros",true);
}
if (ds.version<133) {
ds.systemFlags[i].set("fbAllOps",true);
}
}
}
// SN noise compat
if (ds.version<128) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_SMS ||
ds.system[i]==DIV_SYSTEM_T6W28) {
ds.systemFlags[i].set("noEasyNoise",true);
}
}
}
// OPL3 pan compat
if (ds.version<134) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_OPL3 ||
ds.system[i]==DIV_SYSTEM_OPL3_DRUMS) {
ds.systemFlags[i].set("compatPan",true);
}
}
}
// new YM2612/SN/X1-010 volumes
if (ds.version<137) {
for (int i=0; i<ds.systemLen; i++) {
switch (ds.system[i]) {
case DIV_SYSTEM_YM2612:
case DIV_SYSTEM_YM2612_EXT:
case DIV_SYSTEM_YM2612_DUALPCM:
case DIV_SYSTEM_YM2612_DUALPCM_EXT:
case DIV_SYSTEM_YM2612_CSM:
ds.systemVol[i]/=2.0;
break;
case DIV_SYSTEM_SMS:
case DIV_SYSTEM_T6W28:
case DIV_SYSTEM_OPLL:
case DIV_SYSTEM_OPLL_DRUMS:
ds.systemVol[i]/=1.5;
break;
case DIV_SYSTEM_X1_010:
ds.systemVol[i]/=4.0;
break;
default:
break;
}
}
}
// Namco C30 noise compat
if (ds.version<145) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_NAMCO_CUS30) {
ds.systemFlags[i].set("newNoise",false);
}
}
}
// SrgaPCM slide compat
if (ds.version<153) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_SEGAPCM || ds.system[i]==DIV_SYSTEM_SEGAPCM_COMPAT) {
ds.systemFlags[i].set("oldSlides",true);
}
}
}
// NES PCM compat
if (ds.version<154) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_NES) {
ds.systemFlags[i].set("dpcmMode",false);
}
}
}
// C64 key priority compat
if (ds.version<160) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_C64_8580 || ds.system[i]==DIV_SYSTEM_C64_6581) {
ds.systemFlags[i].set("keyPriority",false);
}
}
}
// Namco 163 pitch compensation compat
if (ds.version<165) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_N163) {
ds.systemFlags[i].set("lenCompensate",true);
}
}
}
// OPM/OPZ slide compat
if (ds.version<176) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_YM2151 ||
ds.system[i]==DIV_SYSTEM_OPZ) {
ds.systemFlags[i].set("brokenPitch",true);
}
}
}
// C64 1Exy compat
if (ds.version<186) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_C64_8580 || ds.system[i]==DIV_SYSTEM_C64_6581) {
ds.systemFlags[i].set("no1EUpdate",true);
}
}
}
// C64 original reset time and multiply relative
if (ds.version<187) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_C64_8580 || ds.system[i]==DIV_SYSTEM_C64_6581) {
ds.systemFlags[i].set("initResetTime",1);
ds.systemFlags[i].set("multiplyRel",true);
}
}
}
// OPLL fixedAll compat
if (ds.version<194) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_OPLL ||
ds.system[i]==DIV_SYSTEM_OPLL_DRUMS) {
if (!ds.systemFlags[i].has("fixedAll")) {
ds.systemFlags[i].set("fixedAll",false);
}
}
}
}
// C64 macro race
if (ds.version<195) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_C64_8580 || ds.system[i]==DIV_SYSTEM_C64_6581) {
ds.systemFlags[i].set("macroRace",true);
}
}
}
// VERA old chip revision
// TIA old tuning
if (ds.version<213) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_VERA) {
ds.systemFlags[i].set("chipType",0);
}
if (ds.system[i]==DIV_SYSTEM_TIA) {
ds.systemFlags[i].set("oldPitch",true);
}
}
2024-08-13 05:14:46 -04:00
} else if (ds.version<217) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_VERA) {
ds.systemFlags[i].set("chipType",1);
}
}
}
2024-08-31 20:07:36 -04:00
// SNES no anti-click
if (ds.version<220) {
for (int i=0; i<ds.systemLen; i++) {
if (ds.system[i]==DIV_SYSTEM_SNES) {
ds.systemFlags[i].set("antiClick",false);
}
}
}
2024-02-05 14:08:53 -05:00
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;
}
} catch (EndOfFileException& e) {
logE("premature end of file!");
lastError="incomplete file";
delete[] file;
return false;
}
delete[] file;
return true;
}
SafeWriter* DivEngine::saveFur(bool notPrimary, bool newPatternFormat) {
saveLock.lock();
std::vector<int> subSongPtr;
std::vector<int> sysFlagsPtr;
std::vector<int> insPtr;
std::vector<int> wavePtr;
std::vector<int> samplePtr;
std::vector<int> patPtr;
int assetDirPtr[3];
size_t ptrSeek, subSongPtrSeek, sysFlagsPtrSeek, blockStartSeek, blockEndSeek, assetDirPtrSeek;
size_t subSongIndex=0;
DivSubSong* subSong=song.subsong[subSongIndex];
warnings="";
// fail if values are out of range
/*
if (subSong->ordersLen>DIV_MAX_PATTERNS) {
logE("maximum song length is %d!",DIV_MAX_PATTERNS);
lastError=fmt::sprintf("maximum song length is %d",DIV_MAX_PATTERNS);
return NULL;
}
if (subSong->patLen>DIV_MAX_ROWS) {
logE("maximum pattern length is %d!",DIV_MAX_ROWS);
lastError=fmt::sprintf("maximum pattern length is %d",DIV_MAX_ROWS);
return NULL;
}
*/
if (song.ins.size()>256) {
logE("maximum number of instruments is 256!");
lastError="maximum number of instruments is 256";
saveLock.unlock();
return NULL;
}
if (song.wave.size()>256) {
logE("maximum number of wavetables is 256!");
lastError="maximum number of wavetables is 256";
saveLock.unlock();
return NULL;
}
if (song.sample.size()>256) {
logE("maximum number of samples is 256!");
lastError="maximum number of samples is 256";
saveLock.unlock();
return NULL;
}
if (!notPrimary) {
song.isDMF=false;
song.version=DIV_ENGINE_VERSION;
}
SafeWriter* w=new SafeWriter;
w->init();
/// HEADER
// write magic
w->write(DIV_FUR_MAGIC,16);
// write version
w->writeS(DIV_ENGINE_VERSION);
// reserved
w->writeS(0);
// song info pointer
w->writeI(32);
// reserved
w->writeI(0);
w->writeI(0);
// high short is channel
// low short is pattern number
std::vector<PatToWrite> patsToWrite;
if (getConfInt("saveUnusedPatterns",0)==1) {
for (int i=0; i<chans; i++) {
for (size_t j=0; j<song.subsong.size(); j++) {
DivSubSong* subs=song.subsong[j];
for (int k=0; k<DIV_MAX_PATTERNS; k++) {
if (subs->pat[i].data[k]==NULL) continue;
patsToWrite.push_back(PatToWrite(j,i,k));
}
}
}
} else {
bool alreadyAdded[DIV_MAX_PATTERNS];
for (int i=0; i<chans; i++) {
for (size_t j=0; j<song.subsong.size(); j++) {
DivSubSong* subs=song.subsong[j];
memset(alreadyAdded,0,DIV_MAX_PATTERNS*sizeof(bool));
for (int k=0; k<subs->ordersLen; k++) {
if (alreadyAdded[subs->orders.ord[i][k]]) continue;
patsToWrite.push_back(PatToWrite(j,i,subs->orders.ord[i][k]));
alreadyAdded[subs->orders.ord[i][k]]=true;
}
}
}
}
/// SONG INFO
w->write("INFO",4);
blockStartSeek=w->tell();
w->writeI(0);
w->writeC(subSong->timeBase);
// these are for compatibility
w->writeC(subSong->speeds.val[0]);
w->writeC((subSong->speeds.len>=2)?subSong->speeds.val[1]:subSong->speeds.val[0]);
w->writeC(subSong->arpLen);
w->writeF(subSong->hz);
w->writeS(subSong->patLen);
w->writeS(subSong->ordersLen);
w->writeC(subSong->hilightA);
w->writeC(subSong->hilightB);
w->writeS(song.insLen);
w->writeS(song.waveLen);
w->writeS(song.sampleLen);
w->writeI(patsToWrite.size());
for (int i=0; i<DIV_MAX_CHIPS; i++) {
if (i>=song.systemLen) {
w->writeC(0);
} else {
w->writeC(systemToFileFur(song.system[i]));
}
}
for (int i=0; i<DIV_MAX_CHIPS; i++) {
w->writeC(song.systemVol[i]*64.0f);
}
for (int i=0; i<DIV_MAX_CHIPS; i++) {
w->writeC(song.systemPan[i]*127.0f);
}
// chip flags (we'll seek here later)
sysFlagsPtrSeek=w->tell();
for (int i=0; i<DIV_MAX_CHIPS; i++) {
w->writeI(0);
}
// song name
w->writeString(song.name,false);
// song author
w->writeString(song.author,false);
w->writeF(song.tuning);
// compatibility flags
w->writeC(song.limitSlides);
w->writeC(song.linearPitch);
w->writeC(song.loopModality);
w->writeC(song.properNoiseLayout);
w->writeC(song.waveDutyIsVol);
w->writeC(song.resetMacroOnPorta);
w->writeC(song.legacyVolumeSlides);
w->writeC(song.compatibleArpeggio);
w->writeC(song.noteOffResetsSlides);
w->writeC(song.targetResetsSlides);
w->writeC(song.arpNonPorta);
w->writeC(song.algMacroBehavior);
w->writeC(song.brokenShortcutSlides);
w->writeC(song.ignoreDuplicateSlides);
w->writeC(song.stopPortaOnNoteOff);
w->writeC(song.continuousVibrato);
w->writeC(song.brokenDACMode);
w->writeC(song.oneTickCut);
w->writeC(song.newInsTriggersInPorta);
w->writeC(song.arp0Reset);
ptrSeek=w->tell();
// instrument pointers (we'll seek here later)
for (int i=0; i<song.insLen; i++) {
w->writeI(0);
}
// wavetable pointers (we'll seek here later)
for (int i=0; i<song.waveLen; i++) {
w->writeI(0);
}
// sample pointers (we'll seek here later)
for (int i=0; i<song.sampleLen; i++) {
w->writeI(0);
}
// pattern pointers (we'll seek here later)
for (size_t i=0; i<patsToWrite.size(); i++) {
w->writeI(0);
}
for (int i=0; i<chans; i++) {
for (int j=0; j<subSong->ordersLen; j++) {
w->writeC(subSong->orders.ord[i][j]);
}
}
for (int i=0; i<chans; i++) {
w->writeC(subSong->pat[i].effectCols);
}
for (int i=0; i<chans; i++) {
w->writeC(
(subSong->chanShow[i]?1:0)|
(subSong->chanShowChanOsc[i]?2:0)
);
}
for (int i=0; i<chans; i++) {
w->writeC(subSong->chanCollapse[i]);
}
for (int i=0; i<chans; i++) {
w->writeString(subSong->chanName[i],false);
}
for (int i=0; i<chans; i++) {
w->writeString(subSong->chanShortName[i],false);
}
w->writeString(song.notes,false);
w->writeF(song.masterVol);
// extended compat flags
w->writeC(song.brokenSpeedSel);
w->writeC(song.noSlidesOnFirstTick);
w->writeC(song.rowResetsArpPos);
w->writeC(song.ignoreJumpAtEnd);
w->writeC(song.buggyPortaAfterSlide);
w->writeC(song.gbInsAffectsEnvelope);
w->writeC(song.sharedExtStat);
w->writeC(song.ignoreDACModeOutsideIntendedChannel);
w->writeC(song.e1e2AlsoTakePriority);
w->writeC(song.newSegaPCM);
w->writeC(song.fbPortaPause);
w->writeC(song.snDutyReset);
w->writeC(song.pitchMacroIsLinear);
w->writeC(song.pitchSlideSpeed);
w->writeC(song.oldOctaveBoundary);
w->writeC(song.noOPN2Vol);
w->writeC(song.newVolumeScaling);
w->writeC(song.volMacroLinger);
w->writeC(song.brokenOutVol);
w->writeC(song.e1e2StopOnSameNote);
w->writeC(song.brokenPortaArp);
w->writeC(song.snNoLowPeriods);
w->writeC(song.delayBehavior);
w->writeC(song.jumpTreatment);
w->writeC(song.autoSystem);
w->writeC(song.disableSampleMacro);
w->writeC(song.brokenOutVol2);
w->writeC(song.oldArpStrategy);
// first subsong virtual tempo
w->writeS(subSong->virtualTempoN);
w->writeS(subSong->virtualTempoD);
// subsong list
w->writeString(subSong->name,false);
w->writeString(subSong->notes,false);
w->writeC((unsigned char)(song.subsong.size()-1));
w->writeC(0); // reserved
w->writeC(0);
w->writeC(0);
subSongPtrSeek=w->tell();
// subsong pointers (we'll seek here later)
for (size_t i=0; i<(song.subsong.size()-1); i++) {
w->writeI(0);
}
// additional metadata
w->writeString(song.systemName,false);
w->writeString(song.category,false);
w->writeString(song.nameJ,false);
w->writeString(song.authorJ,false);
w->writeString(song.systemNameJ,false);
w->writeString(song.categoryJ,false);
// system output config
for (int i=0; i<song.systemLen; i++) {
w->writeF(song.systemVol[i]);
w->writeF(song.systemPan[i]);
w->writeF(song.systemPanFR[i]);
}
w->writeI(song.patchbay.size());
for (unsigned int i: song.patchbay) {
w->writeI(i);
}
w->writeC(song.patchbayAuto);
// even more compat flags
w->writeC(song.brokenPortaLegato);
w->writeC(song.brokenFMOff);
w->writeC(song.preNoteNoEffect);
w->writeC(song.oldDPCM);
w->writeC(song.resetArpPhaseOnNewNote);
w->writeC(song.ceilVolumeScaling);
w->writeC(song.oldAlwaysSetVolume);
w->writeC(song.oldSampleOffset);
2024-02-05 14:08:53 -05:00
// speeds of first song
w->writeC(subSong->speeds.len);
for (int i=0; i<16; i++) {
w->writeC(subSong->speeds.val[i]);
}
// groove list
w->writeC((unsigned char)song.grooves.size());
for (const DivGroovePattern& i: song.grooves) {
w->writeC(i.len);
for (int j=0; j<16; j++) {
w->writeC(i.val[j]);
}
}
// asset dir pointers (we'll seek here later)
assetDirPtrSeek=w->tell();
w->writeI(0);
w->writeI(0);
w->writeI(0);
blockEndSeek=w->tell();
w->seek(blockStartSeek,SEEK_SET);
w->writeI(blockEndSeek-blockStartSeek-4);
w->seek(0,SEEK_END);
/// SUBSONGS
subSongPtr.reserve(song.subsong.size() - 1);
for (subSongIndex=1; subSongIndex<song.subsong.size(); subSongIndex++) {
subSong=song.subsong[subSongIndex];
subSongPtr.push_back(w->tell());
w->write("SONG",4);
blockStartSeek=w->tell();
w->writeI(0);
w->writeC(subSong->timeBase);
w->writeC(subSong->speeds.val[0]);
w->writeC((subSong->speeds.len>=2)?subSong->speeds.val[1]:subSong->speeds.val[0]);
w->writeC(subSong->arpLen);
w->writeF(subSong->hz);
w->writeS(subSong->patLen);
w->writeS(subSong->ordersLen);
w->writeC(subSong->hilightA);
w->writeC(subSong->hilightB);
w->writeS(subSong->virtualTempoN);
w->writeS(subSong->virtualTempoD);
w->writeString(subSong->name,false);
w->writeString(subSong->notes,false);
for (int i=0; i<chans; i++) {
for (int j=0; j<subSong->ordersLen; j++) {
w->writeC(subSong->orders.ord[i][j]);
}
}
for (int i=0; i<chans; i++) {
w->writeC(subSong->pat[i].effectCols);
}
for (int i=0; i<chans; i++) {
w->writeC(
(subSong->chanShow[i]?1:0)|
(subSong->chanShowChanOsc[i]?2:0)
);
}
for (int i=0; i<chans; i++) {
w->writeC(subSong->chanCollapse[i]);
}
for (int i=0; i<chans; i++) {
w->writeString(subSong->chanName[i],false);
}
for (int i=0; i<chans; i++) {
w->writeString(subSong->chanShortName[i],false);
}
// speeds
w->writeC(subSong->speeds.len);
for (int i=0; i<16; i++) {
w->writeC(subSong->speeds.val[i]);
}
blockEndSeek=w->tell();
w->seek(blockStartSeek,SEEK_SET);
w->writeI(blockEndSeek-blockStartSeek-4);
w->seek(0,SEEK_END);
}
/// CHIP FLAGS
sysFlagsPtr.reserve(song.systemLen);
for (int i=0; i<song.systemLen; i++) {
String data=song.systemFlags[i].toString();
if (data.empty()) {
sysFlagsPtr.push_back(0);
continue;
}
sysFlagsPtr.push_back(w->tell());
w->write("FLAG",4);
blockStartSeek=w->tell();
w->writeI(0);
w->writeString(data,false);
blockEndSeek=w->tell();
w->seek(blockStartSeek,SEEK_SET);
w->writeI(blockEndSeek-blockStartSeek-4);
w->seek(0,SEEK_END);
}
/// ASSET DIRECTORIES
assetDirPtr[0]=w->tell();
putAssetDirData(w,song.insDir);
assetDirPtr[1]=w->tell();
putAssetDirData(w,song.waveDir);
assetDirPtr[2]=w->tell();
putAssetDirData(w,song.sampleDir);
/// INSTRUMENT
insPtr.reserve(song.insLen);
for (int i=0; i<song.insLen; i++) {
DivInstrument* ins=song.ins[i];
insPtr.push_back(w->tell());
ins->putInsData2(w,false);
}
/// WAVETABLE
wavePtr.reserve(song.waveLen);
for (int i=0; i<song.waveLen; i++) {
DivWavetable* wave=song.wave[i];
wavePtr.push_back(w->tell());
wave->putWaveData(w);
}
/// SAMPLE
samplePtr.reserve(song.sampleLen);
for (int i=0; i<song.sampleLen; i++) {
DivSample* sample=song.sample[i];
samplePtr.push_back(w->tell());
sample->putSampleData(w);
}
/// PATTERN
patPtr.reserve(patsToWrite.size());
for (PatToWrite& i: patsToWrite) {
DivPattern* pat=song.subsong[i.subsong]->pat[i.chan].getPattern(i.pat,false);
patPtr.push_back(w->tell());
if (newPatternFormat) {
w->write("PATN",4);
blockStartSeek=w->tell();
w->writeI(0);
w->writeC(i.subsong);
w->writeC(i.chan);
w->writeS(i.pat);
w->writeString(pat->name,false);
unsigned char emptyRows=0;
for (int j=0; j<song.subsong[i.subsong]->patLen; j++) {
unsigned char mask=0;
unsigned char finalNote=255;
unsigned short effectMask=0;
if (pat->data[j][0]==100) {
finalNote=180;
} else if (pat->data[j][0]==101) { // note release
finalNote=181;
} else if (pat->data[j][0]==102) { // macro release
finalNote=182;
} else if (pat->data[j][1]==0 && pat->data[j][0]==0) {
finalNote=255;
} else {
int seek=(pat->data[j][0]+(signed char)pat->data[j][1]*12)+60;
if (seek<0 || seek>=180) {
finalNote=255;
} else {
finalNote=seek;
}
}
if (finalNote!=255) mask|=1; // note
if (pat->data[j][2]!=-1) mask|=2; // instrument
if (pat->data[j][3]!=-1) mask|=4; // volume
for (int k=0; k<song.subsong[i.subsong]->pat[i.chan].effectCols*2; k+=2) {
if (k==0) {
if (pat->data[j][4+k]!=-1) mask|=8;
if (pat->data[j][5+k]!=-1) mask|=16;
} else if (k<8) {
if (pat->data[j][4+k]!=-1 || pat->data[j][5+k]!=-1) mask|=32;
} else {
if (pat->data[j][4+k]!=-1 || pat->data[j][5+k]!=-1) mask|=64;
}
if (pat->data[j][4+k]!=-1) effectMask|=(1<<k);
if (pat->data[j][5+k]!=-1) effectMask|=(2<<k);
}
if (mask==0) {
emptyRows++;
if (emptyRows>127) {
w->writeC(128|(emptyRows-2));
emptyRows=0;
}
} else {
if (emptyRows>1) {
w->writeC(128|(emptyRows-2));
emptyRows=0;
} else if (emptyRows) {
w->writeC(0);
emptyRows=0;
}
w->writeC(mask);
if (mask&32) w->writeC(effectMask&0xff);
if (mask&64) w->writeC((effectMask>>8)&0xff);
if (mask&1) w->writeC(finalNote);
if (mask&2) w->writeC(pat->data[j][2]);
if (mask&4) w->writeC(pat->data[j][3]);
if (mask&8) w->writeC(pat->data[j][4]);
if (mask&16) w->writeC(pat->data[j][5]);
if (mask&32) {
if (effectMask&4) w->writeC(pat->data[j][6]);
if (effectMask&8) w->writeC(pat->data[j][7]);
if (effectMask&16) w->writeC(pat->data[j][8]);
if (effectMask&32) w->writeC(pat->data[j][9]);
if (effectMask&64) w->writeC(pat->data[j][10]);
if (effectMask&128) w->writeC(pat->data[j][11]);
}
if (mask&64) {
if (effectMask&256) w->writeC(pat->data[j][12]);
if (effectMask&512) w->writeC(pat->data[j][13]);
if (effectMask&1024) w->writeC(pat->data[j][14]);
if (effectMask&2048) w->writeC(pat->data[j][15]);
if (effectMask&4096) w->writeC(pat->data[j][16]);
if (effectMask&8192) w->writeC(pat->data[j][17]);
if (effectMask&16384) w->writeC(pat->data[j][18]);
if (effectMask&32768) w->writeC(pat->data[j][19]);
}
}
}
// stop
w->writeC(0xff);
} else {
w->write("PATR",4);
blockStartSeek=w->tell();
w->writeI(0);
w->writeS(i.chan);
w->writeS(i.pat);
w->writeS(i.subsong);
w->writeS(0); // reserved
for (int j=0; j<song.subsong[i.subsong]->patLen; j++) {
w->writeS(pat->data[j][0]); // note
w->writeS(pat->data[j][1]); // octave
w->writeS(pat->data[j][2]); // instrument
w->writeS(pat->data[j][3]); // volume
#ifdef TA_BIG_ENDIAN
for (int k=0; k<song.subsong[i.subsong]->pat[i.chan].effectCols*2; k++) {
w->writeS(pat->data[j][4+k]);
}
#else
w->write(&pat->data[j][4],2*song.subsong[i.subsong]->pat[i.chan].effectCols*2); // effects
#endif
}
w->writeString(pat->name,false);
}
blockEndSeek=w->tell();
w->seek(blockStartSeek,SEEK_SET);
w->writeI(blockEndSeek-blockStartSeek-4);
w->seek(0,SEEK_END);
}
/// POINTERS
w->seek(ptrSeek,SEEK_SET);
for (int i=0; i<song.insLen; i++) {
w->writeI(insPtr[i]);
}
// wavetable pointers
for (int i=0; i<song.waveLen; i++) {
w->writeI(wavePtr[i]);
}
// sample pointers
for (int i=0; i<song.sampleLen; i++) {
w->writeI(samplePtr[i]);
}
// pattern pointers
for (int i: patPtr) {
w->writeI(i);
}
// subsong pointers
w->seek(subSongPtrSeek,SEEK_SET);
for (size_t i=0; i<(song.subsong.size()-1); i++) {
w->writeI(subSongPtr[i]);
}
// flag pointers
w->seek(sysFlagsPtrSeek,SEEK_SET);
for (size_t i=0; i<sysFlagsPtr.size(); i++) {
w->writeI(sysFlagsPtr[i]);
}
// asset dir pointers
w->seek(assetDirPtrSeek,SEEK_SET);
for (size_t i=0; i<3; i++) {
w->writeI(assetDirPtr[i]);
}
saveLock.unlock();
return w;
}