// play track given by levelnum (depending on the music type and it's playing behaviour) or increment/decrement current track number via offset value
int songs_play_level_song( int levelnum, int offset )
{
int songnum;
Assert( levelnum != 0 );
songs_init();
if (!Songs_initialized)
return 0;
songnum = (levelnum>0)?(levelnum-1):(-levelnum);
switch (GameCfg.MusicType)
{
case MUSIC_TYPE_BUILTIN:
{
if (offset)
return Song_playing;
Song_playing = -1;
if ((Num_bim_songs - SONG_FIRST_LEVEL_SONG) > 0)
{
songnum = SONG_FIRST_LEVEL_SONG + (songnum % (Num_bim_songs - SONG_FIRST_LEVEL_SONG));
#ifdef _WIN32
if (GameArg.SndDisableSdlMixer)
{
if (digi_win32_play_midi_song( BIMSongs[songnum].filename, 1 )) // NOTE: If SDL_mixer active, this will still be called in mix_play_file in case file is hmp
{
Song_playing = songnum;
}
}
#ifdef USE_SDLMIXER
else
#endif
#endif
#ifdef USE_SDLMIXER
{
if (mix_play_file(BIMSongs[songnum].filename, 1, NULL))
{
Song_playing = songnum;
}
}
#endif
}
break;
}
case MUSIC_TYPE_REDBOOK:
{
int n_tracks = RBAGetNumberOfTracks();
int tracknum;
if (!offset)
{
// we have just been told to play the same as we do already -> ignore
if (Song_playing >= SONG_FIRST_LEVEL_SONG && songnum + SONG_FIRST_LEVEL_SONG == Song_playing)
return Song_playing;
tracknum = REDBOOK_FIRST_LEVEL_TRACK + ((n_tracks<=REDBOOK_FIRST_LEVEL_TRACK) ? 0 : (songnum % (n_tracks-REDBOOK_FIRST_LEVEL_TRACK)));
}
else
{
tracknum = Redbook_playing+offset;
if (tracknum < REDBOOK_FIRST_LEVEL_TRACK)
tracknum = n_tracks - (REDBOOK_FIRST_LEVEL_TRACK - tracknum) + 1;
else if (tracknum > n_tracks)
tracknum = REDBOOK_FIRST_LEVEL_TRACK + (tracknum - n_tracks) - 1;
}
Song_playing = -1;
if (RBAEnabled() && (tracknum <= n_tracks))
{
if (RBAPlayTracks(tracknum, !songs_haved1_cd()?n_tracks:tracknum, songs_haved1_cd() ? redbook_repeat_func : redbook_first_song_func))
{
Song_playing = songnum + SONG_FIRST_LEVEL_SONG;
Redbook_playing = tracknum;
}
}
break;
}
#ifdef USE_SDLMIXER
case MUSIC_TYPE_CUSTOM:
{
if (GameCfg.CMLevelMusicPlayOrder == MUSIC_CM_PLAYORDER_RAND)
GameCfg.CMLevelMusicTrack[0] = d_rand() % GameCfg.CMLevelMusicTrack[1]; // simply a random selection - no check if this song has already been played. But that's how I roll!
else if (!offset)
{
if (GameCfg.CMLevelMusicPlayOrder == MUSIC_CM_PLAYORDER_CONT)
{
static int last_songnum = -1;
if (Song_playing >= SONG_FIRST_LEVEL_SONG)
return Song_playing;
// As soon as we start a new level, go to next track
if (last_songnum != -1 && songnum != last_songnum)
((GameCfg.CMLevelMusicTrack[0]+1>=GameCfg.CMLevelMusicTrack[1])?GameCfg.CMLevelMusicTrack[0]=0:GameCfg.CMLevelMusicTrack[0]++);
last_songnum = songnum;
}
else if (GameCfg.CMLevelMusicPlayOrder == MUSIC_CM_PLAYORDER_LEVEL)
GameCfg.CMLevelMusicTrack[0] = (songnum % GameCfg.CMLevelMusicTrack[1]);
}
else
{
GameCfg.CMLevelMusicTrack[0] += offset;
if (GameCfg.CMLevelMusicTrack[0] < 0)
GameCfg.CMLevelMusicTrack[0] = GameCfg.CMLevelMusicTrack[1] + GameCfg.CMLevelMusicTrack[0];
if (GameCfg.CMLevelMusicTrack[0] + 1 > GameCfg.CMLevelMusicTrack[1])
GameCfg.CMLevelMusicTrack[0] = GameCfg.CMLevelMusicTrack[0] - GameCfg.CMLevelMusicTrack[1];
}
Song_playing = -1;
if (jukebox_play())
Song_playing = songnum + SONG_FIRST_LEVEL_SONG;
break;
}
#endif
default:
Song_playing = -1;
break;
}
// If we couldn't play the song, most likely because it wasn't specified, play no music.
if (Song_playing == -1)
songs_stop_all();
return Song_playing;
}
void songs_play_level_song( int levelnum )
{
int songnum;
int n_tracks;
Assert( levelnum != 0 );
songs_init();
songs_stop_all();
if (cGameSongsAvailable < 1)
return;
current_song_level = levelnum;
if (levelnum < 0)
songnum = (-levelnum) % cGameSongsAvailable;
else
songnum = (levelnum-1) % cGameSongsAvailable;
if (!RBAEnabled() && GameCfg.SndEnableRedbook) // need this to determine if we currently have the official CD
reinit_redbook();
n_tracks = RBAGetNumberOfTracks();
if (RBAEnabled() && GameCfg.SndEnableRedbook) {
//try to play redbook
play_redbook_track(REDBOOK_FIRST_LEVEL_TRACK + (songnum % (n_tracks-REDBOOK_FIRST_LEVEL_TRACK+1)),!songs_haved1_cd());
}
if (! Redbook_playing) { //not playing redbook, so play midi
songnum += SONG_LEVEL_MUSIC;
digi_play_midi_song( Songs[songnum].filename, Songs[songnum].melodic_bank_file, Songs[songnum].drum_bank_file, 1 );
}
}
