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setting to choose between OPL2 and OPL3, channel naming

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LTVA1 2024-08-14 18:40:17 +03:00 • committed by tildearrow
parent 41e094d79d
commit 5770f381ba
6 changed files with 72 additions and 32 deletions
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4
src/engine/engine.h
View file

@ -597,7 +597,7 @@ class DivEngine {
bool loadDMF(unsigned char* file, size_t len);
bool loadFur(unsigned char* file, size_t len, int variantID=0);
bool loadMod(unsigned char* file, size_t len);
bool loadS3M(unsigned char* file, size_t len);
bool loadS3M(unsigned char* file, size_t len, bool opl2=false);
bool loadXM(unsigned char* file, size_t len);
bool loadIT(unsigned char* file, size_t len);
bool loadFTM(unsigned char* file, size_t len, bool dnft, bool dnftSig, bool eft);
@ -689,7 +689,7 @@ class DivEngine {
void createNew(const char* description, String sysName, bool inBase64=true);
void createNewFromDefaults();
// load a file.
bool load(unsigned char* f, size_t length, const char* nameHint=NULL);
bool load(unsigned char* f, size_t length, const char* nameHint=NULL, bool s3mOPL2=false);
// play a binary command stream.
bool playStream(unsigned char* f, size_t length);
// get the playing stream.

4
src/engine/fileOps/fileOpsCommon.cpp
View file

@ -19,7 +19,7 @@
#include "fileOpsCommon.h"
bool DivEngine::load(unsigned char* f, size_t slen, const char* nameHint) {
bool DivEngine::load(unsigned char* f, size_t slen, const char* nameHint, bool s3mOPL2) {
unsigned char* file;
size_t len;
if (slen<21) {
@ -158,7 +158,7 @@ bool DivEngine::load(unsigned char* f, size_t slen, const char* nameHint) {
return loadIT(file,len);
} else if (len>=48) {
if (memcmp(&file[0x2c],DIV_S3M_MAGIC,4)==0) {
return loadS3M(file,len);
return loadS3M(file,len,s3mOPL2);
} else if (memcmp(file,DIV_XM_MAGIC,17)==0) {
return loadXM(file,len);
}

78
src/engine/fileOps/s3m.cpp
View file

@ -48,7 +48,7 @@ static void readSbiOpData(sbi_t& sbi, SafeReader& reader) {
sbi.FeedConnect = reader.readC();
}
bool DivEngine::loadS3M(unsigned char* file, size_t len) {
bool DivEngine::loadS3M(unsigned char* file, size_t len, bool opl2) {
struct InvalidHeaderException {};
bool success=false;
char magic[4]={0,0,0,0};
@ -273,11 +273,16 @@ bool DivEngine::loadS3M(unsigned char* file, size_t len) {
bool hasPCM=false;
bool hasFM=false;
int numChans=0;
int realNumChans=0;
for (int i=0; i<32; i++) {
if (chanSettings[i]==255) continue;
if ((chanSettings[i]&127)>=32) continue;
if ((chanSettings[i]&127)>=16) {
for (int ch=0; ch<32; ch++) {
if (chanSettings[ch]!=255) realNumChans++;
}
for (int ch=0; ch<32; ch++) {
if (chanSettings[ch]==255) continue;
if ((chanSettings[ch]&127)>=32) continue;
if ((chanSettings[ch]&127)>=16) {
hasFM=true;
} else {
hasPCM=true;
@ -287,48 +292,69 @@ bool DivEngine::loadS3M(unsigned char* file, size_t len) {
if (hasFM && hasPCM) break;
}
int pcmChan=hasFM?18:0;
int pcmChan=hasFM?(opl2 ? 9 : 18):0;
int fmChan=hasPCM?32:0;
int invalidChan=40;
for (int i=0; i<32; i++) {
if (chanSettings[i]==255) {
chanMap[i]=invalidChan++;
for (int ch=0; ch<32; ch++) {
if (chanSettings[ch]==255) {
chanMap[ch]=invalidChan++;
continue;
}
if ((chanSettings[i]&127)>=32) {
chanMap[i]=invalidChan++;
if ((chanSettings[ch]&127)>=32) {
chanMap[ch]=invalidChan++;
continue;
}
if ((chanSettings[i]&127)>=16) {
chanMap[i]=fmChan++;
if ((chanSettings[ch]&127)>=16) {
chanMap[ch]=fmChan++;
} else {
chanMap[i]=pcmChan++;
chanMap[ch]=pcmChan++;
}
}
char buffer[40];
int chanIndex = 1;
if (hasPCM) {
for (int i=pcmChan; i<32; i++) {
ds.subsong[0]->chanShow[i]=false;
ds.subsong[0]->chanShowChanOsc[i]=false;
for(int ch = 0; ch < pcmChan - (realNumChans - (hasFM ? 9 : 0)); ch++)
{
ds.subsong[0]->chanShow[ch]=false;
ds.subsong[0]->chanShowChanOsc[ch]=false;
}
if (hasFM) {
for (int i=0; i<18; i++) {
ds.subsong[0]->chanShow[i]=false;
ds.subsong[0]->chanShowChanOsc[i]=false;
for (int ch=pcmChan; ch<32; ch++) {
ds.subsong[0]->chanShow[ch]=false;
ds.subsong[0]->chanShowChanOsc[ch]=false;
}
for(int ch = 0; ch < 32; ch++)
{
if(ds.subsong[0]->chanShow[ch])
{
snprintf(buffer, 40, _("Channel %d"), chanIndex);
ds.subsong[0]->chanName[ch] = buffer;
chanIndex++;
}
}
}
if (hasFM) {
for (int i=(hasPCM?32:0) + 9; i<(hasPCM?32:0) + 18; i++) {
ds.subsong[0]->chanShow[i]=false;
ds.subsong[0]->chanShowChanOsc[i]=false;
if (hasFM && !opl2) {
for (int ch=(hasPCM?32:0) + 9; ch<(hasPCM?32:0) + 18; ch++) {
ds.subsong[0]->chanShow[ch]=false;
ds.subsong[0]->chanShowChanOsc[ch]=false;
}
chanIndex = 1;
for (int ch=(hasPCM?32:0); ch<(hasPCM?32:0) + 9; ch++) {
snprintf(buffer, 40, _("FM %d"), chanIndex);
ds.subsong[0]->chanName[ch] = buffer;
chanIndex++;
}
}
logV("numChans: %d",numChans);
logV("realNumChans: %d",realNumChans);
ds.systemName="PC";
if (hasPCM) {
@ -341,7 +367,7 @@ bool DivEngine::loadS3M(unsigned char* file, size_t len) {
ds.systemLen++;
}
if (hasFM) {
ds.system[ds.systemLen]=DIV_SYSTEM_OPL3;
ds.system[ds.systemLen]=opl2 ? DIV_SYSTEM_OPL2 : DIV_SYSTEM_OPL3;
ds.systemVol[ds.systemLen]=1.0f;
ds.systemPan[ds.systemLen]=0;
ds.systemLen++;