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try fixing .dmp loading

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what a mess this format was before 1.0
This commit is contained in:
tildearrow 2022-02-01 00:58:00 -05:00
parent 971db17d29
commit 227fff021e
2 changed files with 58 additions and 16 deletions
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73
src/engine/engine.cpp
View file

@ -4418,7 +4418,8 @@ bool DivEngine::addInstrumentFromFile(const char *path) {
return false;
}
if (version>=10) { // 1.0
if (version>=11) { // 1.0
logI("version 10 or higher, so load\n");
try {
sys=reader.readC();
@ -4464,16 +4465,28 @@ bool DivEngine::addInstrumentFromFile(const char *path) {
}
try {
bool mode=reader.readC();
if (mode==0 && ins->type==DIV_INS_FM) {
ins->type=DIV_INS_STD;
bool mode=true;
if (version>1) {
mode=reader.readC();
if (mode==0) {
if (version<11) {
ins->type=DIV_INS_STD;
}
} else {
ins->type=DIV_INS_FM;
}
} else {
ins->type=DIV_INS_FM;
}
if (mode) { // FM
if (version<0x0a) ins->fm.ops=reader.readC();
ins->fm.fms=reader.readC();
if (version<10) ins->fm.ops=reader.readC()?2:4;
if (version>1) { // HELP! in which version of the format did we start storing FMS!
ins->fm.fms=reader.readC();
}
ins->fm.fb=reader.readC();
ins->fm.alg=reader.readC();
// DITTO
if (sys!=1) ins->fm.ams=reader.readC();
for (int j=0; j<ins->fm.ops; j++) {
@ -4484,6 +4497,7 @@ bool DivEngine::addInstrumentFromFile(const char *path) {
ins->fm.op[j].sl=reader.readC();
ins->fm.op[j].rr=reader.readC();
ins->fm.op[j].am=reader.readC();
// what the hell how do I tell!
if (sys==1) { // YMU759
ins->fm.op[j].ws=reader.readC();
ins->fm.op[j].ksl=reader.readC();
@ -4505,8 +4519,17 @@ bool DivEngine::addInstrumentFromFile(const char *path) {
} else { // STD
if (ins->type!=DIV_INS_GB) {
ins->std.volMacroLen=reader.readC();
for (int i=0; i<ins->std.volMacroLen; i++) {
ins->std.volMacro[i]=reader.readI();
if (version>5) {
for (int i=0; i<ins->std.volMacroLen; i++) {
ins->std.volMacro[i]=reader.readI();
}
} else {
for (int i=0; i<ins->std.volMacroLen; i++) {
ins->std.volMacro[i]=reader.readC();
}
}
if (version<11) for (int i=0; i<ins->std.volMacroLen; i++) {
if (ins->std.volMacro[i]>15 && ins->type==DIV_INS_STD) ins->type=DIV_INS_PCE;
}
if (ins->std.volMacroLen>0) {
ins->std.volMacroOpen=true;
@ -4517,8 +4540,14 @@ bool DivEngine::addInstrumentFromFile(const char *path) {
}
ins->std.arpMacroLen=reader.readC();
for (int i=0; i<ins->std.arpMacroLen; i++) {
ins->std.arpMacro[i]=reader.readI();
if (version>5) {
for (int i=0; i<ins->std.arpMacroLen; i++) {
ins->std.arpMacro[i]=reader.readI();
}
} else {
for (int i=0; i<ins->std.arpMacroLen; i++) {
ins->std.arpMacro[i]=reader.readC();
}
}
if (ins->std.arpMacroLen>0) {
ins->std.arpMacroOpen=true;
@ -4526,11 +4555,19 @@ bool DivEngine::addInstrumentFromFile(const char *path) {
} else {
ins->std.arpMacroOpen=false;
}
ins->std.arpMacroMode=reader.readC();
if (version>8) { // TODO: when?
ins->std.arpMacroMode=reader.readC();
}
ins->std.dutyMacroLen=reader.readC();
for (int i=0; i<ins->std.dutyMacroLen; i++) {
ins->std.dutyMacro[i]=reader.readI();
if (version>5) {
for (int i=0; i<ins->std.dutyMacroLen; i++) {
ins->std.dutyMacro[i]=reader.readI();
}
} else {
for (int i=0; i<ins->std.dutyMacroLen; i++) {
ins->std.dutyMacro[i]=reader.readC();
}
}
if (ins->std.dutyMacroLen>0) {
ins->std.dutyMacroOpen=true;
@ -4540,8 +4577,14 @@ bool DivEngine::addInstrumentFromFile(const char *path) {
}
ins->std.waveMacroLen=reader.readC();
for (int i=0; i<ins->std.waveMacroLen; i++) {
ins->std.waveMacro[i]=reader.readI();
if (version>5) {
for (int i=0; i<ins->std.waveMacroLen; i++) {
ins->std.waveMacro[i]=reader.readI();
}
} else {
for (int i=0; i<ins->std.waveMacroLen; i++) {
ins->std.waveMacro[i]=reader.readC();
}
}
if (ins->std.waveMacroLen>0) {
ins->std.waveMacroOpen=true;

1
src/engine/song.h
View file

@ -39,7 +39,6 @@ enum DivSystem {
struct DivSong {
// version number used for saving the song.
// Furnace will save using the latest possible version,
// but eventually I will and 0x80 to this value to indicate a Furnace module
// known version numbers:
// - 24: v0.12/0.13/1.0
// - current format version