void LoadAllInstruments ()
{
LoadInstrument("Piano", "samples/piano.swag", 69, "icons/piano.png"); // reference pitch is A4
LoadInstrument("Strings", "samples/strings.swag", 72, "icons/strings.png"); // reference pitch is C5
LoadInstrument("Flute", "samples/flute.swag", 69, "icons/flute.png");
LoadInstrument("Trumpet", "samples/trumpet.swag", 69, "icons/trumpet.png");
LoadInstrument("Solo Violin", "samples/violin.swag", 69, "icons/violin.png");
}
IT_File* ITFile_Load( char *filename ) {
IT_File *itf;
int i;
u32 messageOffset;
u32 *instrumentOffsets;
u32 *sampleOffsets;
u32 *patternOffsets;
myfile = fopen( filename, "rb" );
itf = (IT_File*)malloc(sizeof(IT_File));
memset( itf, 0, sizeof( IT_File ) );
read32(); // IMPM
fread( itf->SongName, 1, 26, myfile );
itf->PatternHighlight = read16();
itf->OrdNum = read16();
itf->InsNum = read16();
itf->SmpNum = read16();
itf->PatNum = read16();
itf->Cwtv = read16();
itf->Cmwt = read16();
itf->Flags = read16();
itf->Special = read16();
itf->GlobalVolume = read8();
itf->MasterVolume = read8();
itf->InitialSpeed = read8();
itf->InitialTempo = read8();
itf->PanningSeparation = read8();
itf->PitchWheelDepth = read8();
itf->MessageLength = read16();
messageOffset = read32();
read32(); // reserved
for( i = 0; i < 64; i++ )
itf->InitialChannelPanning[i] = read8();
for( i = 0; i < 64; i++ )
itf->InitialChannelVolume[i] = read8();
itf->OrderList = (u8*)malloc( itf->OrdNum );
for( i = 0; i < itf->OrdNum; i++ )
itf->OrderList[i] = read8();
instrumentOffsets = (u32*)malloc( itf->InsNum * 4 );
sampleOffsets = (u32*)malloc( itf->SmpNum * 4 );
patternOffsets = (u32*)malloc( itf->PatNum * 4 );
for( i = 0; i < itf->InsNum; i++ )
instrumentOffsets[i] = read32();
for( i = 0; i < itf->SmpNum; i++ )
sampleOffsets[i] = read32();
for( i = 0; i < itf->PatNum; i++ )
patternOffsets[i] = read32();
// load instruments
itf->Instruments = (IT_Instrument*)malloc( sizeof(IT_Instrument) * itf->InsNum );
for( i = 0; i < itf->InsNum; i++ ) {
memset( itf->Instruments+i,0,sizeof( IT_Instrument ) );
if( instrumentOffsets[i] ) {
fseek( myfile, instrumentOffsets[i], SEEK_SET );
LoadInstrument( itf->Instruments+i );
}
}
// load samples
itf->Samples = (IT_Sample*)malloc( sizeof(IT_Sample) * itf->SmpNum );
for( i = 0; i < itf->SmpNum; i++ ) {
memset( itf->Samples+i, 0, sizeof( IT_Sample ) );
if( sampleOffsets[i] ) {
fseek( myfile, sampleOffsets[i], SEEK_SET );
LoadSample( itf->Samples + i );
}
}
// load patterns
itf->Patterns = (IT_Pattern*)malloc( sizeof(IT_Pattern) * itf->PatNum );
for( i = 0; i < itf->PatNum; i++ ) {
memset( itf->Patterns+i, 0, sizeof( IT_Pattern ) );
if( patternOffsets[i] ) {
fseek( myfile, patternOffsets[i], SEEK_SET );
LoadPattern( itf->Patterns + i );
}
}
// read message
if( itf->MessageLength ) {
fseek( myfile, messageOffset, SEEK_SET );
itf->Message = malloc( itf->MessageLength+1 );
itf->Message[itf->MessageLength] = 0;
fread( itf->Message, 1, itf->MessageLength, myfile );
}
return itf;
}
