diff options
Diffstat (limited to 'composer/track.c')
| -rw-r--r-- | composer/track.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/composer/track.c b/composer/track.c new file mode 100644 index 0000000..a3f5ddc --- /dev/null +++ b/composer/track.c @@ -0,0 +1,79 @@ +/* ------------------------------------------------------------------------ */ +/* Copyright (c) 2009 Federico Ferri. */ +/* For information on usage and redistribution, and for a DISCLAIMER OF ALL */ +/* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ +/* */ +/* composer: a music composition framework for pure-data */ +/* */ +/* This program is free software; you can redistribute it and/or */ +/* modify it under the terms of the GNU General Public License */ +/* as published by the Free Software Foundation; either version 2 */ +/* of the License, or (at your option) any later version. */ +/* */ +/* See file LICENSE for further informations on licensing terms. */ +/* */ +/* This program is distributed in the hope that it will be useful, */ +/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* GNU General Public License for more details. */ +/* */ +/* You should have received a copy of the GNU General Public License */ +/* along with this program; if not, write to the Free Software Foundation, */ +/* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* */ +/* Based on PureData by Miller Puckette and others. */ +/* ------------------------------------------------------------------------ */ + +#include "common.h" + +static t_track* track_new(t_symbol* song_name, t_symbol* track_name, t_int columns) { + t_song* song = song_new(song_name); + + ArrayListGetByName(song->x_tracks, track_name, t_track*, obj); + debugprint("track_new - object lookup {{%s} {%s} {%d}} => " PTR, song_name->s_name, track_name->s_name, columns, obj); + if(obj) return obj; + + t_track* x = (t_track*)getbytes(sizeof(t_track)); + x->x_name = track_name; + x->x_song = song; + x->x_ncolumns = columns; + ArrayListInit(x->x_patterns, struct _pattern*, 4); + x->x_currentpat = 0; + + debugprint("created a track object (" PTR "), " + "creation args: {{%s} {%s} {%d}}", + x, x->x_song->x_name->s_name, x->x_name->s_name, x->x_ncolumns); + + // att track to song's track list + ArrayListAdd(song->x_tracks, t_track*, x); + return x; +} + +static void track_free(t_track* x) { + // free patterns memory + ArrayListFree(x->x_patterns, t_pattern*); + // remove track from song's track list + ArrayListRemove(x->x_song->x_tracks, x); +} + +static t_int track_get_pattern_count(t_track* x) { + return x->x_patterns_count; +} + +static void track_get_pattern_names(t_track* x, t_atom* /* OUT */ out) { + int i; + for(i = 0; i < x->x_patterns_count; i++) { + SETSYMBOL(&out[i], x->x_patterns[i]->x_name); + } +} + +static t_track* track_get(t_symbol* song_name, t_symbol* track_name) { + t_song* song = song_get(song_name); + if(!song || !song->x_tracks) return (t_track*) 0L; + ArrayListGetByName(song->x_tracks, track_name, t_track*, result); + return result; +} + +static int track_exists(t_symbol* song_name, t_symbol* track_name) { + return track_get(song_name, track_name) != 0L; +} |