bool ModModule::load(Stream* stream, int loadMode)
{
noConstMetaInfo().filename = stream->name();
setTempo(125);
setSpeed(6);
state().globalVolume = 0x40;
char modName[20];
stream->read(modName, 20);
noConstMetaInfo().title = stringncpy(modName, 20);
const IdMetaInfo* meta = nullptr;
if(loadMode != LoadingMode::Smp15)
{
// check 31-sample mod
logger()->info(L4CXX_LOCATION, "Probing meta-info for 31-sample mod...");
stream->seek(0x438);
meta = findMeta(stream);
if(meta == nullptr)
{
logger()->warn(L4CXX_LOCATION, "Could not find a valid module ID");
return false;
}
}
else
{
logger()->info(L4CXX_LOCATION, "Trying to load 15-sample mod...");
meta = &smp15MetaInfo;
}
logger()->debug(L4CXX_LOCATION, "%d-channel, ID '%s', Tracker '%s'", int(meta->channels), meta->id, meta->tracker);
noConstMetaInfo().trackerInfo = meta->tracker;
for(int i = 0; i < meta->channels; i++)
{
m_channels.emplace_back(new ModChannel(this, ((i + 1) & 2) == 0));
}
stream->seek(20);
const int numSamples = loadMode == LoadingMode::Smp15 ? 15 : 31;
for(int i = 0; i < numSamples; i++)
{
ModSample* smp = new ModSample();
m_samples.push_back(smp);
if(!smp->loadHeader(stream))
{
logger()->warn(L4CXX_LOCATION, "Sample header could not be loaded");
return false;
}
}
uint8_t maxPatNum = 0;
{
// load orders
uint8_t songLen;
*stream >> songLen;
if(songLen > 128)
{
songLen = 128;
}
logger()->debug(L4CXX_LOCATION, "Song length: %d", int(songLen));
uint8_t tmp;
*stream >> tmp; // skip the restart pos
for(uint_fast8_t i = 0; i < songLen; i++)
{
*stream >> tmp;
if(tmp >= 64)
{
continue;
}
if(tmp > maxPatNum)
{
maxPatNum = tmp;
}
logger()->trace(L4CXX_LOCATION, "Order %d index: %d", int(i), int(tmp));
addOrder(std::make_unique<OrderEntry>(tmp));
}
if(loadMode != LoadingMode::Smp31Malformed)
{
while(songLen++ < 128)
{
*stream >> tmp;
if(tmp >= 64)
{
continue;
}
if(tmp > maxPatNum)
{
maxPatNum = tmp;
}
}
}
else
{
stream->seekrel(128 - songLen);
}
}
