CPLoader::Error CPLoader_IT::load_samples() {
for (int i=0;i<header.smpnum;i++) {
//seek to sample
file->seek(0xC0+header.ordnum+header.insnum*4+i*4);
uint32_t final_location=file->get_dword();
file->seek( final_location );
Error err=load_sample(song->get_sample(i));
CP_ERR_COND_V(err,err);
}
if (file->eof_reached() || file->get_error())
return FILE_CORRUPTED;
return FILE_OK;
}
uint8_t CPInstrument::get_note_number(uint8_t p_note) {
CP_ERR_COND_V(p_note>=CPNote::NOTES,0);
return data.note_number[p_note];
}
CPLoader::Error CPLoader_IT::load_header(bool p_dont_set) {
char aux_songname[26];
file->get_byte_array((uint8_t *)aux_songname, 26);
if (!p_dont_set)
song->set_name(aux_songname);
uint8_t aux_hlmin = file->get_byte();
uint8_t aux_hlmaj = file->get_byte();
if (aux_hlmin == 0) aux_hlmin = 4;
if (aux_hlmaj == 0) aux_hlmaj = 16;
if (!p_dont_set) {
song->set_row_highlight_minor(aux_hlmin);
song->set_row_highlight_major(aux_hlmaj);
}
header.ordnum = file->get_word();
header.insnum = file->get_word();
header.smpnum = file->get_word();
header.patnum = file->get_word();
header.cwt = file->get_word(); /* Created with tracker (y.xx = 0x0yxx) */
header.cmwt = file->get_word(); /* Compatible with tracker ver > than val. */
header.flags = file->get_word();
if (!p_dont_set) {
song->set_stereo(header.flags & 1);
song->set_linear_slides(header.flags & 8);
song->set_old_effects(header.flags & 16);
song->set_compatible_gxx(header.flags & 32);
song->set_instruments(header.flags & 4);
}
header.special = file->get_word();
if (!p_dont_set) {
song->set_global_volume(file->get_byte());
song->set_mixing_volume(file->get_byte());
song->set_speed(file->get_byte());
song->set_tempo(file->get_byte());
song->set_stereo_separation(file->get_byte());
} else {
file->get_byte(); // skip
file->get_byte(); // skip
file->get_byte(); // skip
file->get_byte(); // skip
file->get_byte(); // skip
}
file->get_byte(); // ZERO Byte
header.msglength = file->get_word();
header.msgoffset = file->get_dword();
char chibi[4];
file->get_byte_array((uint8_t *)chibi, 4);
header.is_chibi = (chibi[0] == 'C' && chibi[1] == 'H' && chibi[2] == 'B' && chibi[3] == 'I');
for (int i = 0; i < 64; i++) {
uint8_t panbyte = file->get_byte();
uint8_t pan_dst = (panbyte < 65) ? panbyte : 32;
bool surround_dst = (panbyte == 100);
bool mute_dst = (panbyte >= 128);
if (!p_dont_set) {
song->set_channel_pan(i, pan_dst);
song->set_channel_surround(i, surround_dst);
song->set_channel_mute(i, mute_dst);
}
}
for (int i = 0; i < 64; i++) {
unsigned char cv = file->get_byte();
if (!p_dont_set)
song->set_channel_volume(i, cv);
}
CP_ERR_COND_V(file->eof_reached(), FILE_CORRUPTED);
CP_ERR_COND_V(file->get_error(), FILE_CORRUPTED);
return FILE_OK;
}
CPLoader::Error CPLoader_IT::load_sample(CPSample *p_sample) {
AuxSampleData aux_sample_data;
char aux_header[4];
file->get_byte_array((uint8_t*)aux_header,4);
if ( aux_header[0]!='I' ||
aux_header[1]!='M' ||
aux_header[2]!='P' ||
aux_header[3]!='S') {
//CP_PRINTERR("IT CPLoader CPSample: Failed Identifier");
return FILE_UNRECOGNIZED;
}
// Ignore deprecated 8.3 filename
for (int i=0;i<12;i++) file->get_byte();
file->get_byte(); //ignore zerobyte
p_sample->set_global_volume( file->get_byte() );
/* SAMPLE FLAGS */
uint8_t flags=file->get_byte();
aux_sample_data.loop_enabled=flags&IT_SAMPLE_LOOPED;
aux_sample_data.pingpong_enabled=flags&IT_SAMPLE_LOOP_IS_PINGPONG;
aux_sample_data.is16bit=flags&IT_SAMPLE_16BITS;
aux_sample_data.exists=flags&IT_SAMPLE_EXISTS;
aux_sample_data.stereo=flags&IT_SAMPLE_STEREO;
aux_sample_data.compressed=flags&IT_SAMPLE_COMPRESSED;
p_sample->set_default_volume(file->get_byte());
/* SAMPLE NAME */
char aux_name[26];
file->get_byte_array((uint8_t*)aux_name,26);
p_sample->set_name(aux_name);
// ??
uint8_t convert_flag=file->get_byte();
// PAN
uint8_t pan=file->get_byte();
p_sample->set_pan( pan&0x7F );
p_sample->set_pan_enabled( pan & 0x80 );
aux_sample_data.length=file->get_dword();
aux_sample_data.loop_begin= file->get_dword();
aux_sample_data.loop_end= file->get_dword();
aux_sample_data.c5spd=file->get_dword();
/*p_sample->data.set_sustain_loop_begin=*/file->get_dword();
/*p_sample->data.sustain_loop_end=*/file->get_dword();
aux_sample_data.fileofs=file->get_dword();
p_sample->set_vibrato_speed( file->get_byte() );
p_sample->set_vibrato_depth( file->get_byte() );
p_sample->set_vibrato_rate( file->get_byte() );
switch( file->get_byte() ) {
/* Vibrato Wave: 0=sine, 1=rampdown, 2=square, 3=random */
case 0: p_sample->set_vibrato_type( CPSample::VIBRATO_SINE ); break;
case 1: p_sample->set_vibrato_type( CPSample::VIBRATO_SAW ); break;
case 2: p_sample->set_vibrato_type( CPSample::VIBRATO_SQUARE ); break;
case 3: p_sample->set_vibrato_type( CPSample::VIBRATO_RANDOM ); break;
default: p_sample->set_vibrato_type( CPSample::VIBRATO_SINE ); break;
}
//printf("Name %s - Flags: fileofs :%i - c5spd %i - len %i 16b %i - data?: %i\n",p_sample->get_name(),aux_sample_data.fileofs,aux_sample_data.c5spd, aux_sample_data.length, aux_sample_data.is16bit,aux_sample_data.exists);
CPSample_ID samp_id;
if (aux_sample_data.exists) {
samp_id=load_sample_data(aux_sample_data);
CPSampleManager::get_singleton()->set_c5_freq(samp_id,aux_sample_data.c5spd);
CPSampleManager::get_singleton()->set_loop_begin( samp_id,aux_sample_data.loop_begin );
CPSampleManager::get_singleton()->set_loop_end( samp_id,aux_sample_data.loop_end );
CPSample_Loop_Type loop_type=aux_sample_data.loop_enabled?( aux_sample_data.pingpong_enabled? CP_LOOP_BIDI: CP_LOOP_FORWARD):CP_LOOP_NONE;
CPSampleManager::get_singleton()->set_loop_end( samp_id,aux_sample_data.loop_end );
CPSampleManager::get_singleton()->set_loop_type( samp_id, loop_type);
}
//printf("Loaded id is null?: %i\n",samp_id.is_null());
p_sample->set_sample_data(samp_id);
if (!samp_id.is_null()) {
// printf("Loaded ID: stereo: %i len %i 16bit %i\n",CPSampleManager::get_singleton()->is_stereo(samp_id), CPSampleManager::get_singleton()->get_size( samp_id), CPSampleManager::get_singleton()->is_16bits( samp_id) );
}
CP_ERR_COND_V( file->eof_reached(),FILE_CORRUPTED );
CP_ERR_COND_V( file->get_error(),FILE_CORRUPTED );
return FILE_OK;
}
