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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005 Simon Howard
//
// 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.
//
//
// DESCRIPTION:
// System interface, sound.
//
//-----------------------------------------------------------------------------
#ifndef __I_SOUND__
#define __I_SOUND__
#include "doomdef.h"
#include "doomstat.h"
#include "sounds.h"
// Init at program start...
void I_InitSound();
// ... update sound buffer and audio device at runtime...
void I_UpdateSound(void);
void I_SubmitSound(void);
// ... shut down and relase at program termination.
void I_ShutdownSound(void);
//
// SFX I/O
//
// Initialize channels?
void I_SetChannels();
// Get raw data lump index for sound descriptor.
int I_GetSfxLumpNum (sfxinfo_t* sfxinfo );
// Starts a sound in a particular sound channel.
int
I_StartSound
( int id,
int channel,
int vol,
int sep,
int pitch,
int priority );
// Stops a sound channel.
void I_StopSound(int handle);
// Called by S_*() functions
// to see if a channel is still playing.
// Returns 0 if no longer playing, 1 if playing.
int I_SoundIsPlaying(int handle);
// Updates the volume, separation,
// and pitch of a sound channel.
void
I_UpdateSoundParams
( int handle,
int vol,
int sep,
int pitch );
//
// MUSIC I/O
//
void I_InitMusic(void);
void I_ShutdownMusic(void);
// Volume.
void I_SetMusicVolume(int volume);
// PAUSE game handling.
void I_PauseSong(void *handle);
void I_ResumeSong(void *handle);
// Registers a song handle to song data.
void *I_RegisterSong(void *data, int length);
// Called by anything that wishes to start music.
// plays a song, and when the song is done,
// starts playing it again in an endless loop.
// Horrible thing to do, considering.
void I_PlaySong(void *handle, int looping);
// Stops a song over 3 seconds.
void I_StopSong(void *handle);
// See above (register), then think backwards
void I_UnRegisterSong(void *handle);
boolean I_QrySongPlaying(void *handle);
#endif
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