/*
 *   GRacer
 *
 *   Copyright (C) 1999 Takashi Matsuda <matsu@users.sourceforge.net>
 *
 * 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.
 *
 * 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
 */

#ifndef __GRACER_SOUND_H__
#define __GRACER_SOUND_H__

#include "tcldefs.h"

#ifdef __cplusplus
extern "C" {
#endif

  typedef void *GrSample;
  typedef void *GrEnvelope;

  typedef enum {
    GR_SAMPLE_LOOP,
    GR_SAMPLE_ONE_SHOT,
  } GrReplayMode;

  typedef enum {
    GR_ENVELOPE_PITCH,
    GR_ENVELOPE_VOLUME,
  } GrEnvelopeType;

  int Sound_Init (Tcl_Interp *interp);
  int gr_sound_update (void);

  GrSample gr_sample_new (char *filename);
  void gr_sample_free (GrSample sample);
  void gr_sample_adjust_volume (GrSample sample, float volume);
  void gr_sample_play (GrSample sample, int magic);
  void gr_sample_loop (GrSample sample, int magic);
  void gr_sample_stop (GrSample sample, int magic);
  void gr_sample_pause (GrSample sample, int magic);
  void gr_sample_resume (GrSample sample, int magic);

  GrEnvelope gr_envelope_new		(int num_step, GrReplayMode mode);
  void gr_envelope_free			(GrEnvelope envelope);
  void gr_envelope_set_step		(GrEnvelope envelope,
      					 int step,
					 float _time,
					 float _value);

  void gr_sample_add_envelope		(GrSample sample,
					 int magic,
					 int slot,
					 GrEnvelope envelope,
					 GrEnvelopeType type);

#ifdef __cplusplus
}
#endif

#endif /* __GRACER_SOUND_H__ */