char *
slurp_gamedat(const char *name)
{
FILE *f;
ssize_t len;
char *p = NULL;
size_t buflen = 0;
f = open_gamedat(name);
if (!f)
return NULL;
len = fread_dyn(&p, &buflen, f);
if (len < 0)
{
CRITICAL2("could not read file `%s'", name);
exit(EXIT_FAILURE);
}
fclose(f);
return p;
}
// Ensure that the specified music track is in memory, loading it if required
void music_load(enum music_track track)
{
char name[80] = "";
FILE * midi_f;
char * midi_data = NULL;
size_t fileLength;
int i;
OSStatus rv;
// Don't (try to) load the track twice
if (music_files[track].sequence_loaded || music_files[track].unplayable)
return;
// Find the name for this track
for (i = 0; music_key[i].track != M_MAX_MUSIC; i++) {
if (music_key[i].track == track && music_key[i].name) {
snprintf(name, sizeof(name), "%s.MID", music_key[track].name);
break;
}
}
// Bail out if this track isn't known
if (strlen(name) == 0) {
music_files[track].unplayable = 1;
return;
}
// Read the MIDI file into memory
midi_f = sOpen(name, "rb", FT_MIDI);
if (midi_f != NULL) {
fileLength = fread_dyn(&midi_data, &fileLength, midi_f);
fclose(midi_f);
}
if (midi_data == NULL) {
WARNING2("could not read MIDI file `%s'", name);
music_files[track].unplayable = 1;
return;
}
// Initialize the sequence
rv = NewMusicSequence(&music_files[track].sequence);
if (rv == 0) {
// Try to load the sequence out of this buffer
#if MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 /* this is deprecated, but works back to 10.3 */
rv = MusicSequenceLoadSMFDataWithFlags(music_files[track].sequence, CFDataCreate(NULL, (UInt8*)midi_data, fileLength), 0);
#else /* not deprecated, but requires 10.5 or later */
rv = MusicSequenceFileLoadData(music_files[track].sequence, CFDataCreate(NULL, (UInt8*)midi_data, fileLength), 0, 0);
#endif
}
// Regardless, free the buffer we read off disk, if any
free(midi_data);
// Did it work?
if (rv) {
WARNING2("could not understand MIDI file `%s'", name);
music_files[track].unplayable = 1;
} else {
music_files[track].sequence_loaded = 1;
}
}
