otomatalabs/furnace
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prepare for compat flags, piano, comments, etc.

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tildearrow 2022-02-03 00:34:48 -05:00
parent 07b767bee1
commit 3379e8b380
5 changed files with 123 additions and 9 deletions
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29
src/engine/engine.cpp
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@ -1537,6 +1537,11 @@ bool DivEngine::loadDMF(unsigned char* file, size_t len) {
logI("%s by %s\n",ds.name.c_str(),ds.author.c_str());
}
// compatibility flags
ds.limitSlides=true;
ds.linearPitch=true;
ds.loopModality=0;
logI("reading module data...\n");
if (ds.version>0x0c) {
ds.hilightA=reader.readC();
@ -2057,6 +2062,12 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
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=true;
ds.loopModality=0;
}
reader.readS(); // reserved
int infoSeek=reader.readI();
@ -2122,8 +2133,15 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
reader.readI();
}
// reserved
for (int i=0; i<20; i++) reader.readC();
// compatibility flags
if (ds.version>=37) {
ds.limitSlides=reader.readC();
ds.linearPitch=reader.readC();
ds.loopModality=reader.readC();
for (int i=0; i<17; i++) reader.readC();
} else {
for (int i=0; i<20; i++) reader.readC();
}
// pointers
reader.read(insPtr,ds.insLen*4);
@ -2469,8 +2487,11 @@ SafeWriter* DivEngine::saveFur() {
w->writeF(song.tuning);
// reserved
for (int i=0; i<20; i++) {
// compatibility flags
w->writeC(song.limitSlides);
w->writeC(song.linearPitch);
w->writeC(song.loopModality);
for (int i=0; i<17; i++) {
w->writeC(0);
}