S32 PCMAudioManager::loadSound(const char *assetName) {
Property *prop = btGetContext()->appProperties->get("debug_sounds");
BOOL32 debugSounds = FALSE;
if (prop) {
debugSounds = prop->getBoolValue();
}
if (isSoundLoaded(assetName)) {
return getSoundId(assetName);
}
int assetSize = 0;
unsigned char *fileData = _platform_load_asset(assetName, &assetSize);
S32 sndId = -1;
if (fileData) {
signed short *decoded;
int channels, len;
unsigned int sampleRate = 0;
len = stb_vorbis_decode_memory(fileData, assetSize, &channels, &sampleRate, &decoded);
if (debugSounds) {
char buf[1024];
sprintf(buf, "Loaded %s: (%i enc bytes) length=%i channels=%i rate=%i", assetName, assetSize, len, channels, sampleRate);
logmsg(buf);
}
sndId = loadSound(decoded, len * channels, sampleRate, channels, assetName);
}
_platform_free_asset(fileData);
return sndId;
}
void PCMAudioManager::stopSound(const char *assetName) {
S32 soundId = getSoundId(assetName);
for (S32 i = 0; i < streamCount; i++) {
PCMStream *stream = &pcmStreams[i];
if (stream->isPlaying && stream->soundId == soundId) {
stream->isPlaying = FALSE;
stream->bufferPosition = 0;
stream->overallPosition = 0;
stream->loopsRemaining = 0;
}
}
}
bool XMLToSndManifest(const wchar_t* cFilename)
{
wstring sXMLFile = cFilename;
sXMLFile += TEXT(".xml");
XMLDocument* doc = new XMLDocument;
int iErr = doc->LoadFile(ws2s(sXMLFile).c_str());
if(iErr != XML_NO_ERROR)
{
cout << "Error parsing XML file " << ws2s(sXMLFile) << ": Error " << iErr << endl;
delete doc;
return false;
}
//Grab root element
XMLElement* root = doc->RootElement();
if(root == NULL)
{
cout << "Error: Root element NULL in XML file " << ws2s(sXMLFile) << endl;
delete doc;
return false;
}
//Roll through child elements
list<soundTakeGroup> lSoundTakeGroups;
vector<takeRecord> vSoundTakes;
XMLElement* elem = root->FirstChildElement("sound");
i32 iCurTake = 0;
while(elem != NULL)
{
soundTakeGroup stg;
const char* id = elem->Attribute("id");
if(id == NULL)
{
cout << "Error: Unable to get id of XML element in file " << ws2s(sXMLFile) << endl;
delete doc;
return false;
}
stg.logicalId = getSoundId(s2ws(id).c_str()); //TODO: Hash this?
stg.firstTakeIdx = vSoundTakes.size();
stg.numTakes = 0;
//Get the takes for this sound
XMLElement* elem2 = elem->FirstChildElement("take");
while(elem2 != NULL)
{
iCurTake++;
takeRecord tr;
const char* cName = elem2->Attribute("filename");
if(cName == NULL)
{
cout << "Error: Unable to get filename of take record in file " << ws2s(sXMLFile) << endl;
delete doc;
return false;
}
if(elem2->QueryIntAttribute("channels", &tr.channels) != XML_NO_ERROR)
{
cout << "Error: Unable to get channels from take " << iCurTake << " from file " << ws2s(sXMLFile) << endl;
delete doc;
return false;
}
if(elem2->QueryIntAttribute("samplespersec", &tr.samplesPerSec) != XML_NO_ERROR)
{
cout << "Error: Unable to get samplesPerSec from take " << iCurTake << " from file " << ws2s(sXMLFile) << endl;
delete doc;
return false;
}
if(elem2->QueryIntAttribute("samplecountperchannel", &tr.sampleCountPerChannel) != XML_NO_ERROR)
{
cout << "Error: Unable to get sampleCountPerChannel from take " << iCurTake << " from file " << ws2s(sXMLFile) << endl;
delete doc;
return false;
}
if(elem2->QueryIntAttribute("vorbisworkingsetsizebytes", &tr.vorbisWorkingSetSizeBytes) != XML_NO_ERROR)
{
cout << "Error: Unable to get vorbisWorkingSetSizeBytes from take " << iCurTake << " from file " << ws2s(sXMLFile) << endl;
delete doc;
return false;
}
if(elem2->QueryIntAttribute("vorbismarkerssizebytes", &tr.vorbisMarkersSizeBytes) != XML_NO_ERROR)
{
cout << "Error: Unable to get vorbisMarkersSizeBytes from take " << iCurTake << " from file " << ws2s(sXMLFile) << endl;
delete doc;
return false;
}
if(elem2->QueryIntAttribute("vorbispacketssizebytes", &tr.vorbisPacketsSizeBytes) != XML_NO_ERROR)
{
cout << "Error: Unable to get vorbisPacketsSizeBytes from take " << iCurTake << " from file " << ws2s(sXMLFile) << endl;
delete doc;
return false;
}
wstring sName = s2ws(cName);
sName.erase(sName.size()-4); //Delete the ".ogg" ending from the wstring
tr.resId = getResID(sName); //Get the resource ID from this filename
vSoundTakes.push_back(tr);
elem2 = elem2->NextSiblingElement("take");
stg.numTakes++;
}
lSoundTakeGroups.push_back(stg); //Hang onto this
elem = elem->NextSiblingElement("sound"); //Next item
}
delete doc; //We're done with this
//Repack
FILE* f = _wfopen(cFilename, TEXT("wb")); //Open file for writing
if(f == NULL)
{
cout << "Unable to open file " << cFilename << " for writing." << endl;
return false;
}
//Write the soundManifestHeader
i32 curOffset = sizeof(soundManifestHeader);
soundManifestHeader smh;
smh.sounds.count = lSoundTakeGroups.size();
smh.sounds.offset = curOffset;
smh.takes.count = vSoundTakes.size();
curOffset += lSoundTakeGroups.size() * sizeof(soundTakeGroup);
smh.takes.offset = curOffset;
fwrite(&smh, 1, sizeof(soundManifestHeader), f);
//Write out sounds
for(list<soundTakeGroup>:: iterator i = lSoundTakeGroups.begin(); i != lSoundTakeGroups.end(); i++)
fwrite(&(*i), 1, sizeof(soundTakeGroup), f);
//Write out sound takes
for(unsigned int i = 0; i < vSoundTakes.size(); i++)
fwrite(&vSoundTakes[i], 1, sizeof(takeRecord), f);
//Done
fclose(f);
return true;
}
void PCMAudioManager::unloadSound(const char *assetName) {
S32 soundId = getSoundId(assetName);
unloadSound(soundId);
}
S32 PCMAudioManager::playSound(const char *assetName, S16 loops, F32 leftVol, F32 rightVol, F32 rate) {
//logmsg("Playsound");
//logmsg(assetName);
return playSound(getSoundId(assetName), loops, leftVol, rightVol, rate);
}