seq.h

   1 /*
   2    Cantaveria - action adventure platform game
   3    Copyright (C) 2009 2010 Evan Rinehart
   4
   5    This program is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU General Public License
   7    as published by the Free Software Foundation; either version 2
   8    of the License, or (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to
  17
  18    The Free Software Foundation, Inc.
  19    51 Franklin Street, Fifth Floor
  20    Boston, MA  02110-1301, USA
  21
  22    evanrinehart@gmail.com
  23 */
  24
  25
  26
  27 enum {
  28         EVX_ENDOFTRACK = 0x100,
  29         EVX_TEMPOCHANGE ,
  30         EVX_LOOPSTART,
  31         EVX_LOOPEND,
  32         EVX_META
  33 };
  34
  35 typedef struct event event;
  36 struct event {
  37         int tick;
  38         int type;
  39         int chan;
  40         int val1;
  41         int val2;
  42 };
  43
  44 void seq_init();
  45
  46 /* use these from audio thread */
  47 event* seq_advance(int samples, int* used);
  48 event* seq_get_immediate();
  49
  50 /***/
  51 void seq_instant(int type, int chan, int val1, int val2);
  52 void seq_clear();
  53 void seq_load(list* events);
  54 void seq_seek(int tick);
  55 int seq_tell();
  56 void seq_enable();
  57 void seq_disable();
  58 void seq_append(event* e);
  59