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xash3d-fwgs/engine/client/s_main.c

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/*
s_main.c - sound engine
Copyright (C) 2009 Uncle Mike
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 3 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.
*/
#include "common.h"
#include "sound.h"
#include "client.h"
#include "con_nprint.h"
#include "pm_local.h"
#include "platform/platform.h"
#define SND_CLIP_DISTANCE 1000.0f
dma_t dma;
poolhandle_t sndpool;
static soundfade_t soundfade;
channel_t channels[MAX_CHANNELS];
sound_t ambient_sfx[NUM_AMBIENTS];
rawchan_t *raw_channels[MAX_RAW_CHANNELS];
qboolean snd_ambient = false;
qboolean snd_fade_sequence = false;
listener_t s_listener;
int total_channels;
int soundtime; // sample PAIRS
int paintedtime; // sample PAIRS
static CVAR_DEFINE( s_volume, "volume", "0.7", FCVAR_ARCHIVE|FCVAR_FILTERABLE, "sound volume" );
CVAR_DEFINE( s_musicvolume, "MP3Volume", "1.0", FCVAR_ARCHIVE|FCVAR_FILTERABLE, "background music volume" );
static CVAR_DEFINE( s_mixahead, "_snd_mixahead", "0.12", FCVAR_FILTERABLE, "how much sound to mix ahead of time" );
static CVAR_DEFINE_AUTO( s_show, "0", FCVAR_ARCHIVE|FCVAR_FILTERABLE, "show playing sounds" );
CVAR_DEFINE_AUTO( s_lerping, "0", FCVAR_ARCHIVE|FCVAR_FILTERABLE, "apply interpolation to sound output" );
static CVAR_DEFINE( s_ambient_level, "ambient_level", "0.3", FCVAR_ARCHIVE|FCVAR_FILTERABLE, "volume of environment noises (water and wind)" );
static CVAR_DEFINE( s_ambient_fade, "ambient_fade", "1000", FCVAR_ARCHIVE|FCVAR_FILTERABLE, "rate of volume fading when client is moving" );
static CVAR_DEFINE_AUTO( s_combine_sounds, "0", FCVAR_ARCHIVE|FCVAR_FILTERABLE, "combine channels with same sounds" );
CVAR_DEFINE_AUTO( snd_mute_losefocus, "1", FCVAR_ARCHIVE|FCVAR_FILTERABLE, "silence the audio when game window loses focus" );
CVAR_DEFINE_AUTO( s_test, "0", 0, "engine developer cvar for quick testing new features" );
CVAR_DEFINE_AUTO( s_samplecount, "0", FCVAR_ARCHIVE|FCVAR_FILTERABLE, "sample count (0 for default value)" );
CVAR_DEFINE_AUTO( s_warn_late_precache, "0", FCVAR_ARCHIVE|FCVAR_FILTERABLE, "warn about late precached sounds on client-side" );
/*
=============================================================================
SOUNDS PROCESSING
=============================================================================
*/
/*
=================
S_GetMasterVolume
=================
*/
float S_GetMasterVolume( void )
{
float scale = 1.0f;
if( !s_listener.inmenu && soundfade.percent != 0 )
{
scale = bound( 0.0f, soundfade.percent / 100.0f, 1.0f );
scale = 1.0f - scale;
}
return s_volume.value * scale;
}
/*
=================
S_FadeClientVolume
=================
*/
void S_FadeClientVolume( float fadePercent, float fadeOutSeconds, float holdTime, float fadeInSeconds )
{
soundfade.starttime = cl.mtime[0];
soundfade.initial_percent = fadePercent;
soundfade.fadeouttime = fadeOutSeconds;
soundfade.holdtime = holdTime;
soundfade.fadeintime = fadeInSeconds;
}
/*
=================
S_IsClient
=================
*/
qboolean S_IsClient( int entnum )
{
return ( entnum == s_listener.entnum );
}
// free channel so that it may be allocated by the
// next request to play a sound. If sound is a
// word in a sentence, release the sentence.
// Works for static, dynamic, sentence and stream sounds
/*
=================
S_FreeChannel
=================
*/
void S_FreeChannel( channel_t *ch )
{
ch->sfx = NULL;
ch->name[0] = '\0';
ch->use_loop = false;
ch->isSentence = false;
// clear mixer
memset( &ch->pMixer, 0, sizeof( ch->pMixer ));
SND_CloseMouth( ch );
}
/*
=================
S_UpdateSoundFade
=================
*/
void S_UpdateSoundFade( void )
{
float f, totaltime, elapsed;
// determine current fade value.
// assume no fading remains
soundfade.percent = 0;
totaltime = soundfade.fadeouttime + soundfade.fadeintime + soundfade.holdtime;
elapsed = cl.mtime[0] - soundfade.starttime;
// clock wrapped or reset (BUG) or we've gone far enough
if( elapsed < 0.0f || elapsed >= totaltime || totaltime <= 0.0f )
return;
// We are in the fade time, so determine amount of fade.
if( soundfade.fadeouttime > 0.0f && ( elapsed < soundfade.fadeouttime ))
{
// ramp up
f = elapsed / soundfade.fadeouttime;
}
else if( elapsed <= ( soundfade.fadeouttime + soundfade.holdtime )) // Inside the hold time
{
// stay
f = 1.0f;
}
else
{
// ramp down
f = ( elapsed - ( soundfade.fadeouttime + soundfade.holdtime ) ) / soundfade.fadeintime;
f = 1.0f - f; // backward interpolated...
}
// spline it.
f = -( cos( M_PI * f ) - 1 ) / 2;
f = bound( 0.0f, f, 1.0f );
soundfade.percent = soundfade.initial_percent * f;
if( snd_fade_sequence )
S_FadeMusicVolume( soundfade.percent );
if( snd_fade_sequence && soundfade.percent == 100.0f )
{
S_StopAllSounds( false );
S_StopBackgroundTrack();
snd_fade_sequence = false;
}
}
/*
=================
SND_FStreamIsPlaying
Select a channel from the dynamic channel allocation area. For the given entity,
override any other sound playing on the same channel (see code comments below for
exceptions).
=================
*/
qboolean SND_FStreamIsPlaying( sfx_t *sfx )
{
int ch_idx;
for( ch_idx = NUM_AMBIENTS; ch_idx < MAX_DYNAMIC_CHANNELS; ch_idx++ )
{
if( channels[ch_idx].sfx == sfx )
return true;
}
return false;
}
/*
=================
SND_GetChannelTimeLeft
TODO: this function needs to be removed after whole sound subsystem rewrite
=================
*/
static int SND_GetChannelTimeLeft( const channel_t *ch )
{
int remaining;
if( ch->pMixer.finished || !ch->sfx || !ch->sfx->cache )
return 0;
if( ch->isSentence ) // sentences are special, count all remaining words
{
int i;
if( !ch->currentWord )
return 0;
// current word
remaining = ch->currentWord->forcedEndSample - ch->currentWord->sample;
// here we count all remaining words, stopping if no sfx or sound file is available
// see VOX_LoadWord
for( i = ch->wordIndex + 1; i < ARRAYSIZE( ch->words ); i++ )
{
wavdata_t *sc;
int end;
// don't continue with broken sentences
if( !ch->words[i].sfx )
break;
if( !( sc = S_LoadSound( ch->words[i].sfx )))
break;
end = ch->words[i].end;
if( end )
remaining += sc->samples * 0.01f * end;
else remaining += sc->samples;
}
}
else
{
int curpos;
int samples;
// handle position looping
samples = ch->sfx->cache->samples;
curpos = S_ConvertLoopedPosition( ch->sfx->cache, ch->pMixer.sample, ch->use_loop );
remaining = bound( 0, samples - curpos, samples );
}
return remaining;
}
/*
=================
SND_PickDynamicChannel
Select a channel from the dynamic channel allocation area. For the given entity,
override any other sound playing on the same channel (see code comments below for
exceptions).
=================
*/
channel_t *SND_PickDynamicChannel( int entnum, int channel, sfx_t *sfx, qboolean *ignore )
{
int ch_idx;
int first_to_die;
int life_left;
int timeleft;
// check for replacement sound, or find the best one to replace
first_to_die = -1;
life_left = 0x7fffffff;
if( ignore ) *ignore = false;
if( channel == CHAN_STREAM && SND_FStreamIsPlaying( sfx ))
{
if( ignore )
*ignore = true;
return NULL;
}
for( ch_idx = NUM_AMBIENTS; ch_idx < MAX_DYNAMIC_CHANNELS; ch_idx++ )
{
channel_t *ch = &channels[ch_idx];
// Never override a streaming sound that is currently playing or
// voice over IP data that is playing or any sound on CHAN_VOICE( acting )
if( ch->sfx && ( ch->entchannel == CHAN_STREAM ))
continue;
if( channel != CHAN_AUTO && ch->entnum == entnum && ( ch->entchannel == channel || channel == -1 ))
{
// always override sound from same entity
first_to_die = ch_idx;
break;
}
// don't let monster sounds override player sounds
if( ch->sfx && S_IsClient( ch->entnum ) && !S_IsClient( entnum ))
continue;
// try to pick the sound with the least amount of data left to play
timeleft = SND_GetChannelTimeLeft( ch );
if( timeleft < life_left )
{
life_left = timeleft;
first_to_die = ch_idx;
}
}
if( first_to_die == -1 )
return NULL;
if( channels[first_to_die].sfx )
{
// don't restart looping sounds for the same entity
wavdata_t *sc = channels[first_to_die].sfx->cache;
if( sc && sc->loopStart != -1 )
{
channel_t *ch = &channels[first_to_die];
if( ch->entnum == entnum && ch->entchannel == channel && ch->sfx == sfx )
{
if( ignore ) *ignore = true;
// same looping sound, same ent, same channel, don't restart the sound
return NULL;
}
}
// be sure and release previous channel if sentence.
S_FreeChannel( &( channels[first_to_die] ));
}
return &channels[first_to_die];
}
/*
=====================
SND_PickStaticChannel
Pick an empty channel from the static sound area, or allocate a new
channel. Only fails if we're at max_channels (128!!!) or if
we're trying to allocate a channel for a stream sound that is
already playing.
=====================
*/
channel_t *SND_PickStaticChannel( const vec3_t pos, sfx_t *sfx )
{
channel_t *ch = NULL;
int i;
// check for replacement sound, or find the best one to replace
for( i = MAX_DYNAMIC_CHANNELS; i < total_channels; i++ )
{
if( channels[i].sfx == NULL )
break;
if( VectorCompare( pos, channels[i].origin ) && channels[i].sfx == sfx )
break;
}
if( i < total_channels )
{
// reuse an empty static sound channel
ch = &channels[i];
}
else
{
// no empty slots, alloc a new static sound channel
if( total_channels == MAX_CHANNELS )
{
Con_DPrintf( S_ERROR "S_PickStaticChannel: no free channels\n" );
return NULL;
}
// get a channel for the static sound
ch = &channels[total_channels];
total_channels++;
}
return ch;
}
/*
=================
S_AlterChannel
search through all channels for a channel that matches this
soundsource, entchannel and sfx, and perform alteration on channel
as indicated by 'flags' parameter. If shut down request and
sfx contains a sentence name, shut off the sentence.
returns TRUE if sound was altered,
returns FALSE if sound was not found (sound is not playing)
=================
*/
int S_AlterChannel( int entnum, int channel, sfx_t *sfx, int vol, int pitch, int flags )
{
channel_t *ch;
int i;
if( S_TestSoundChar( sfx->name, '!' ))
{
// This is a sentence name.
// For sentences: assume that the entity is only playing one sentence
// at a time, so we can just shut off
// any channel that has ch->isSentence >= 0 and matches the entnum.
for( i = NUM_AMBIENTS, ch = channels + NUM_AMBIENTS; i < total_channels; i++, ch++ )
{
if( ch->entnum == entnum && ch->entchannel == channel && ch->sfx && ch->isSentence )
{
if( flags & SND_CHANGE_PITCH )
ch->basePitch = pitch;
if( flags & SND_CHANGE_VOL )
ch->master_vol = vol;
if( flags & SND_STOP )
S_FreeChannel( ch );
return true;
}
}
// channel not found
return false;
}
// regular sound or streaming sound
for( i = NUM_AMBIENTS, ch = channels + NUM_AMBIENTS; i < total_channels; i++, ch++ )
{
if( ch->entnum == entnum && ch->entchannel == channel && ch->sfx == sfx )
{
if( flags & SND_CHANGE_PITCH )
ch->basePitch = pitch;
if( flags & SND_CHANGE_VOL )
ch->master_vol = vol;
if( flags & SND_STOP )
S_FreeChannel( ch );
return true;
}
}
return false;
}
/*
=================
S_SpatializeChannel
=================
*/
void S_SpatializeChannel( int *left_vol, int *right_vol, int master_vol, float gain, float dot, float dist )
{
float lscale, rscale, scale;
rscale = 1.0f + dot;
lscale = 1.0f - dot;
// add in distance effect
scale = ( 1.0f - dist ) * rscale;
*right_vol = (int)( master_vol * scale );
scale = ( 1.0f - dist ) * lscale;
*left_vol = (int)( master_vol * scale );
*right_vol = bound( 0, *right_vol, 255 );
*left_vol = bound( 0, *left_vol, 255 );
}
/*
=================
SND_Spatialize
=================
*/
void SND_Spatialize( channel_t *ch )
{
vec3_t source_vec;
float dist, dot, gain = 1.0f;
qboolean looping = false;
wavdata_t *pSource;
// anything coming from the view entity will allways be full volume
if( S_IsClient( ch->entnum ))
{
ch->leftvol = ch->master_vol;
ch->rightvol = ch->master_vol;
return;
}
pSource = ch->sfx->cache;
if( ch->use_loop && pSource && pSource->loopStart != -1 )
looping = true;
if( !ch->staticsound )
{
if( !CL_GetEntitySpatialization( ch ))
{
// origin is null and entity not exist on client
ch->leftvol = ch->rightvol = 0;
return;
}
}
// source_vec is vector from listener to sound source
// player sounds come from 1' in front of player
VectorSubtract( ch->origin, s_listener.origin, source_vec );
// normalize source_vec and get distance from listener to source
dist = VectorNormalizeLength( source_vec );
dot = DotProduct( s_listener.right, source_vec );
// don't pan sounds with no attenuation
if( ch->dist_mult <= 0.0f ) dot = 0.0f;
// fill out channel volumes for single location
S_SpatializeChannel( &ch->leftvol, &ch->rightvol, ch->master_vol, gain, dot, dist * ch->dist_mult );
// if playing a word, set volume
VOX_SetChanVol( ch );
}
/*
====================
S_StartSound
Start a sound effect for the given entity on the given channel (ie; voice, weapon etc).
Try to grab a channel out of the 8 dynamic spots available.
Currently used for looping sounds, streaming sounds, sentences, and regular entity sounds.
NOTE: volume is 0.0 - 1.0 and attenuation is 0.0 - 1.0 when passed in.
Pitch changes playback pitch of wave by % above or below 100. Ignored if pitch == 100
NOTE: it's not a good idea to play looping sounds through StartDynamicSound, because
if the looping sound starts out of range, or is bumped from the buffer by another sound
it will never be restarted. Use StartStaticSound (pass CHAN_STATIC to EMIT_SOUND or
SV_StartSound.
====================
*/
void S_StartSound( const vec3_t pos, int ent, int chan, sound_t handle, float fvol, float attn, int pitch, int flags )
{
wavdata_t *pSource;
sfx_t *sfx = NULL;
channel_t *target_chan, *check;
int vol, ch_idx;
qboolean bIgnore = false;
if( !dma.initialized ) return;
sfx = S_GetSfxByHandle( handle );
if( !sfx ) return;
vol = bound( 0, fvol * 255, 255 );
if( pitch <= 1 ) pitch = PITCH_NORM; // Invasion issues
if( flags & ( SND_STOP|SND_CHANGE_VOL|SND_CHANGE_PITCH ))
{
if( S_AlterChannel( ent, chan, sfx, vol, pitch, flags ))
return;
if( flags & SND_STOP ) return;
// fall through - if we're not trying to stop the sound,
// and we didn't find it (it's not playing), go ahead and start it up
}
if( !pos ) pos = refState.vieworg;
if( chan == CHAN_STREAM )
SetBits( flags, SND_STOP_LOOPING );
// pick a channel to play on
if( chan == CHAN_STATIC ) target_chan = SND_PickStaticChannel( pos, sfx );
else target_chan = SND_PickDynamicChannel( ent, chan, sfx, &bIgnore );
if( !target_chan )
{
if( !bIgnore )
Con_DPrintf( S_ERROR "dropped sound \"" DEFAULT_SOUNDPATH "%s\"\n", sfx->name );
return;
}
// spatialize
memset( target_chan, 0, sizeof( *target_chan ));
VectorCopy( pos, target_chan->origin );
target_chan->staticsound = ( ent == 0 ) ? true : false;
target_chan->use_loop = (flags & SND_STOP_LOOPING) ? false : true;
target_chan->localsound = (flags & SND_LOCALSOUND) ? true : false;
target_chan->dist_mult = (attn / SND_CLIP_DISTANCE);
target_chan->master_vol = vol;
target_chan->entnum = ent;
target_chan->entchannel = chan;
target_chan->basePitch = pitch;
target_chan->isSentence = false;
target_chan->sfx = sfx;
pSource = NULL;
if( S_TestSoundChar( sfx->name, '!' ))
{
// this is a sentence
// link all words and load the first word
// NOTE: sentence names stored in the cache lookup are
// prepended with a '!'. Sentence names stored in the
// sentence file do not have a leading '!'.
VOX_LoadSound( target_chan, S_SkipSoundChar( sfx->name ));
Q_strncpy( target_chan->name, sfx->name, sizeof( target_chan->name ));
sfx = target_chan->sfx;
if( sfx ) pSource = sfx->cache;
}
else
{
// regular or streamed sound fx
pSource = S_LoadSound( sfx );
target_chan->name[0] = '\0';
}
if( !pSource )
{
S_FreeChannel( target_chan );
return;
}
SND_Spatialize( target_chan );
// If a client can't hear a sound when they FIRST receive the StartSound message,
// the client will never be able to hear that sound. This is so that out of
// range sounds don't fill the playback buffer. For streaming sounds, we bypass this optimization.
if( !target_chan->leftvol && !target_chan->rightvol )
{
// looping sounds don't use this optimization because they should stick around until they're killed.
if( !sfx->cache || sfx->cache->loopStart == -1 )
{
// if this is a streaming sound, play the whole thing.
if( chan != CHAN_STREAM )
{
S_FreeChannel( target_chan );
return; // not audible at all
}
}
}
// Init client entity mouth movement vars
SND_InitMouth( ent, chan );
for( ch_idx = NUM_AMBIENTS, check = channels + NUM_AMBIENTS; ch_idx < MAX_DYNAMIC_CHANNELS; ch_idx++, check++)
{
if( check == target_chan ) continue;
if( check->sfx == sfx && !check->pMixer.sample )
{
// skip up to 0.1 seconds of audio
int skip = COM_RandomLong( 0, (long)( 0.1f * check->sfx->cache->rate ));
S_SetSampleStart( check, sfx->cache, skip );
break;
}
}
}
/*
====================
S_RestoreSound
Restore a sound effect for the given entity on the given channel
====================
*/
void S_RestoreSound( const vec3_t pos, int ent, int chan, sound_t handle, float fvol, float attn, int pitch, int flags, double sample, double end, int wordIndex )
{
wavdata_t *pSource;
sfx_t *sfx = NULL;
channel_t *target_chan;
qboolean bIgnore = false;
int vol;
if( !dma.initialized ) return;
sfx = S_GetSfxByHandle( handle );
if( !sfx ) return;
vol = bound( 0, fvol * 255, 255 );
if( pitch <= 1 ) pitch = PITCH_NORM; // Invasion issues
// pick a channel to play on
if( chan == CHAN_STATIC ) target_chan = SND_PickStaticChannel( pos, sfx );
else target_chan = SND_PickDynamicChannel( ent, chan, sfx, &bIgnore );
if( !target_chan )
{
if( !bIgnore )
Con_DPrintf( S_ERROR "dropped sound \"" DEFAULT_SOUNDPATH "%s\"\n", sfx->name );
return;
}
// spatialize
memset( target_chan, 0, sizeof( *target_chan ));
VectorCopy( pos, target_chan->origin );
target_chan->staticsound = ( ent == 0 ) ? true : false;
target_chan->use_loop = (flags & SND_STOP_LOOPING) ? false : true;
target_chan->localsound = (flags & SND_LOCALSOUND) ? true : false;
target_chan->dist_mult = (attn / SND_CLIP_DISTANCE);
target_chan->master_vol = vol;
target_chan->entnum = ent;
target_chan->entchannel = chan;
target_chan->basePitch = pitch;
target_chan->isSentence = false;
target_chan->sfx = sfx;
pSource = NULL;
if( S_TestSoundChar( sfx->name, '!' ))
{
// this is a sentence
// link all words and load the first word
// NOTE: sentence names stored in the cache lookup are
// prepended with a '!'. Sentence names stored in the
// sentence file do not have a leading '!'.
VOX_LoadSound( target_chan, S_SkipSoundChar( sfx->name ));
Q_strncpy( target_chan->name, sfx->name, sizeof( target_chan->name ));
// not a first word in sentence!
if( wordIndex != 0 )
{
VOX_FreeWord( target_chan ); // release first loaded word
target_chan->wordIndex = wordIndex; // restore current word
VOX_LoadWord( target_chan );
if( target_chan->currentWord )
{
target_chan->sfx = target_chan->words[target_chan->wordIndex].sfx;
sfx = target_chan->sfx;
pSource = sfx->cache;
}
}
else
{
sfx = target_chan->sfx;
if( sfx ) pSource = sfx->cache;
}
}
else
{
// regular or streamed sound fx
pSource = S_LoadSound( sfx );
target_chan->name[0] = '\0';
}
if( !pSource )
{
S_FreeChannel( target_chan );
return;
}
SND_Spatialize( target_chan );
// NOTE: first spatialization may be failed because listener position is invalid at this time
// so we should keep all sounds an actual and waiting for player spawn.
// apply the sample offests
target_chan->pMixer.sample = sample;
target_chan->pMixer.forcedEndSample = end;
// Init client entity mouth movement vars
SND_InitMouth( ent, chan );
}
/*
=================
S_AmbientSound
Start playback of a sound, loaded into the static portion of the channel array.
Currently, this should be used for looping ambient sounds, looping sounds
that should not be interrupted until complete, non-creature sentences,
and one-shot ambient streaming sounds. Can also play 'regular' sounds one-shot,
in case designers want to trigger regular game sounds.
Pitch changes playback pitch of wave by % above or below 100. Ignored if pitch == 100
NOTE: volume is 0.0 - 1.0 and attenuation is 0.0 - 1.0 when passed in.
=================
*/
void S_AmbientSound( const vec3_t pos, int ent, sound_t handle, float fvol, float attn, int pitch, int flags )
{
channel_t *ch;
wavdata_t *pSource = NULL;
sfx_t *sfx = NULL;
int vol, fvox = 0;
if( !dma.initialized ) return;
sfx = S_GetSfxByHandle( handle );
if( !sfx ) return;
vol = bound( 0, fvol * 255, 255 );
if( pitch <= 1 ) pitch = PITCH_NORM; // Invasion issues
if( flags & (SND_STOP|SND_CHANGE_VOL|SND_CHANGE_PITCH))
{
if( S_AlterChannel( ent, CHAN_STATIC, sfx, vol, pitch, flags ))
return;
if( flags & SND_STOP ) return;
}
// pick a channel to play on from the static area
ch = SND_PickStaticChannel( pos, sfx );
if( !ch ) return;
VectorCopy( pos, ch->origin );
ch->entnum = ent;
CL_GetEntitySpatialization( ch );
if( S_TestSoundChar( sfx->name, '!' ))
{
// this is a sentence. link words to play in sequence.
// NOTE: sentence names stored in the cache lookup are
// prepended with a '!'. Sentence names stored in the
// sentence file do not have a leading '!'.
// link all words and load the first word
VOX_LoadSound( ch, S_SkipSoundChar( sfx->name ));
Q_strncpy( ch->name, sfx->name, sizeof( ch->name ));
sfx = ch->sfx;
if( sfx ) pSource = sfx->cache;
fvox = 1;
}
else
{
// load regular or stream sound
pSource = S_LoadSound( sfx );
ch->sfx = sfx;
ch->isSentence = false;
ch->name[0] = '\0';
}
if( !pSource )
{
S_FreeChannel( ch );
return;
}
pitch *= (sys_timescale.value + 1) / 2;
// never update positions if source entity is 0
ch->staticsound = ( ent == 0 ) ? true : false;
ch->use_loop = (flags & SND_STOP_LOOPING) ? false : true;
ch->localsound = (flags & SND_LOCALSOUND) ? true : false;
ch->master_vol = vol;
ch->dist_mult = (attn / SND_CLIP_DISTANCE);
ch->entchannel = CHAN_STATIC;
ch->basePitch = pitch;
SND_Spatialize( ch );
}
/*
==================
S_StartLocalSound
==================
*/
void S_StartLocalSound( const char *name, float volume, qboolean reliable )
{
sound_t sfxHandle;
int flags = (SND_LOCALSOUND|SND_STOP_LOOPING);
int channel = CHAN_AUTO;
if( reliable ) channel = CHAN_STATIC;
if( !dma.initialized ) return;
sfxHandle = S_RegisterSound( name );
S_StartSound( NULL, s_listener.entnum, channel, sfxHandle, volume, ATTN_NONE, PITCH_NORM, flags );
}
/*
==================
S_GetCurrentStaticSounds
grab all static sounds playing at current channel
==================
*/
int S_GetCurrentStaticSounds( soundlist_t *pout, int size )
{
int sounds_left = size;
int i;
if( !dma.initialized )
return 0;
for( i = MAX_DYNAMIC_CHANNELS; i < total_channels && sounds_left; i++ )
{
if( channels[i].entchannel == CHAN_STATIC && channels[i].sfx && channels[i].sfx->name[0] )
{
if( channels[i].isSentence && channels[i].name[0] )
Q_strncpy( pout->name, channels[i].name, sizeof( pout->name ));
else Q_strncpy( pout->name, channels[i].sfx->name, sizeof( pout->name ));
pout->entnum = channels[i].entnum;
VectorCopy( channels[i].origin, pout->origin );
pout->volume = (float)channels[i].master_vol / 255.0f;
pout->attenuation = channels[i].dist_mult * SND_CLIP_DISTANCE;
pout->looping = ( channels[i].use_loop && channels[i].sfx->cache->loopStart != -1 );
pout->pitch = channels[i].basePitch;
pout->channel = channels[i].entchannel;
pout->wordIndex = channels[i].wordIndex;
pout->samplePos = channels[i].pMixer.sample;
pout->forcedEnd = channels[i].pMixer.forcedEndSample;
sounds_left--;
pout++;
}
}
return ( size - sounds_left );
}
/*
==================
S_GetCurrentStaticSounds
grab all static sounds playing at current channel
==================
*/
int S_GetCurrentDynamicSounds( soundlist_t *pout, int size )
{
int sounds_left = size;
int i, looped;
if( !dma.initialized )
return 0;
for( i = 0; i < MAX_CHANNELS && sounds_left; i++ )
{
if( !channels[i].sfx || !channels[i].sfx->name[0] || !Q_stricmp( channels[i].sfx->name, "*default" ))
continue; // don't serialize default sounds
looped = ( channels[i].use_loop && channels[i].sfx->cache->loopStart != -1 );
if( channels[i].entchannel == CHAN_STATIC && looped && !Host_IsQuakeCompatible())
continue; // never serialize static looped sounds. It will be restoring in game code
if( channels[i].isSentence && channels[i].name[0] )
Q_strncpy( pout->name, channels[i].name, sizeof( pout->name ));
else Q_strncpy( pout->name, channels[i].sfx->name, sizeof( pout->name ));
pout->entnum = (channels[i].entnum < 0) ? 0 : channels[i].entnum;
VectorCopy( channels[i].origin, pout->origin );
pout->volume = (float)channels[i].master_vol / 255.0f;
pout->attenuation = channels[i].dist_mult * SND_CLIP_DISTANCE;
pout->pitch = channels[i].basePitch;
pout->channel = channels[i].entchannel;
pout->wordIndex = channels[i].wordIndex;
pout->samplePos = channels[i].pMixer.sample;
pout->forcedEnd = channels[i].pMixer.forcedEndSample;
pout->looping = looped;
sounds_left--;
pout++;
}
return ( size - sounds_left );
}
/*
===================
S_InitAmbientChannels
===================
*/
void S_InitAmbientChannels( void )
{
int ambient_channel;
channel_t *chan;
for( ambient_channel = 0; ambient_channel < NUM_AMBIENTS; ambient_channel++ )
{
chan = &channels[ambient_channel];
chan->staticsound = true;
chan->use_loop = true;
chan->entchannel = CHAN_STATIC;
chan->dist_mult = (ATTN_NONE / SND_CLIP_DISTANCE);
chan->basePitch = PITCH_NORM;
}
}
/*
===================
S_UpdateAmbientSounds
===================
*/
void S_UpdateAmbientSounds( void )
{
mleaf_t *leaf;
float vol;
int ambient_channel;
channel_t *chan;
if( !snd_ambient ) return;
// calc ambient sound levels
if( !cl.worldmodel ) return;
leaf = Mod_PointInLeaf( s_listener.origin, cl.worldmodel->nodes );
if( !leaf || !s_ambient_level.value )
{
for( ambient_channel = 0; ambient_channel < NUM_AMBIENTS; ambient_channel++ )
channels[ambient_channel].sfx = NULL;
return;
}
for( ambient_channel = 0; ambient_channel < NUM_AMBIENTS; ambient_channel++ )
{
chan = &channels[ambient_channel];
chan->sfx = S_GetSfxByHandle( ambient_sfx[ambient_channel] );
// ambient is unused
if( !chan->sfx )
{
chan->rightvol = 0;
chan->leftvol = 0;
continue;
}
vol = s_ambient_level.value * leaf->ambient_sound_level[ambient_channel];
if( vol < 0 ) vol = 0;
// don't adjust volume too fast
if( chan->master_vol < vol )
{
chan->master_vol += s_listener.frametime * s_ambient_fade.value;
if( chan->master_vol > vol ) chan->master_vol = vol;
}
else if( chan->master_vol > vol )
{
chan->master_vol -= s_listener.frametime * s_ambient_fade.value;
if( chan->master_vol < vol ) chan->master_vol = vol;
}
chan->leftvol = chan->rightvol = chan->master_vol;
}
}
/*
=============================================================================
SOUND STREAM RAW SAMPLES
=============================================================================
*/
/*
===================
S_FindRawChannel
===================
*/
rawchan_t *S_FindRawChannel( int entnum, qboolean create )
{
int i, free;
int best, best_time;
size_t raw_samples = 0;
rawchan_t *ch;
if( !entnum ) return NULL; // world is unused
// check for replacement sound, or find the best one to replace
best_time = 0x7fffffff;
best = free = -1;
for( i = 0; i < MAX_RAW_CHANNELS; i++ )
{
ch = raw_channels[i];
if( free < 0 && !ch )
{
free = i;
}
else if( ch )
{
int time;
// exact match
if( ch->entnum == entnum )
return ch;
time = ch->s_rawend - paintedtime;
if( time < best_time )
{
best = i;
best_time = time;
}
}
}
if( !create ) return NULL;
if( free >= 0 ) best = free;
if( best < 0 ) return NULL; // no free slots
if( !raw_channels[best] )
{
raw_samples = MAX_RAW_SAMPLES;
raw_channels[best] = Mem_Calloc( sndpool, sizeof( *ch ) + sizeof( portable_samplepair_t ) * ( raw_samples - 1 ));
}
ch = raw_channels[best];
ch->max_samples = raw_samples;
ch->entnum = entnum;
ch->s_rawend = 0;
return ch;
}
/*
===================
S_RawSamplesStereo
===================
*/
static uint S_RawSamplesStereo( portable_samplepair_t *rawsamples, uint rawend, uint max_samples, uint samples, uint rate, word width, word channels, const byte *data )
{
uint fracstep, samplefrac;
uint src, dst;
if( rawend < paintedtime )
rawend = paintedtime;
fracstep = ((double) rate / (double)SOUND_DMA_SPEED) * (double)(1 << S_RAW_SAMPLES_PRECISION_BITS);
samplefrac = 0;
if( width == 2 )
{
const short *in = (const short *)data;
if( channels == 2 )
{
for( src = 0; src < samples; samplefrac += fracstep, src = ( samplefrac >> S_RAW_SAMPLES_PRECISION_BITS ))
{
dst = rawend++ & ( max_samples - 1 );
rawsamples[dst].left = in[src*2+0];
rawsamples[dst].right = in[src*2+1];
}
}
else
{
for( src = 0; src < samples; samplefrac += fracstep, src = ( samplefrac >> S_RAW_SAMPLES_PRECISION_BITS ))
{
dst = rawend++ & ( max_samples - 1 );
rawsamples[dst].left = in[src];
rawsamples[dst].right = in[src];
}
}
}
else
{
if( channels == 2 )
{
const char *in = (const char *)data;
for( src = 0; src < samples; samplefrac += fracstep, src = ( samplefrac >> S_RAW_SAMPLES_PRECISION_BITS ))
{
dst = rawend++ & ( max_samples - 1 );
rawsamples[dst].left = in[src*2+0] << 8;
rawsamples[dst].right = in[src*2+1] << 8;
}
}
else
{
for( src = 0; src < samples; samplefrac += fracstep, src = ( samplefrac >> S_RAW_SAMPLES_PRECISION_BITS ))
{
dst = rawend++ & ( max_samples - 1 );
rawsamples[dst].left = ( data[src] - 128 ) << 8;
rawsamples[dst].right = ( data[src] - 128 ) << 8;
}
}
}
return rawend;
}
/*
===================
S_RawEntSamples
===================
*/
void S_RawEntSamples( int entnum, uint samples, uint rate, word width, word channels, const byte *data, int snd_vol )
{
rawchan_t *ch;
if( snd_vol < 0 )
snd_vol = 0;
if( !( ch = S_FindRawChannel( entnum, true )))
return;
ch->master_vol = snd_vol;
ch->dist_mult = (ATTN_NONE / SND_CLIP_DISTANCE);
ch->s_rawend = S_RawSamplesStereo( ch->rawsamples, ch->s_rawend, ch->max_samples, samples, rate, width, channels, data );
ch->leftvol = ch->rightvol = snd_vol;
}
/*
===================
S_RawSamples
===================
*/
void S_RawSamples( uint samples, uint rate, word width, word channels, const byte *data, int entnum )
{
int snd_vol = 128;
if( entnum < 0 ) snd_vol = 256; // bg track or movie track
S_RawEntSamples( entnum, samples, rate, width, channels, data, snd_vol );
}
/*
===================
S_PositionedRawSamples
===================
*/
void S_StreamAviSamples( void *Avi, int entnum, float fvol, float attn, float synctime )
{
int bufferSamples;
int fileSamples;
byte raw[MAX_RAW_SAMPLES];
float duration = 0.0f;
int r, fileBytes;
rawchan_t *ch = NULL;
if( !dma.initialized || s_listener.paused || !CL_IsInGame( ))
return;
if( entnum < 0 || entnum >= GI->max_edicts )
return;
if( !( ch = S_FindRawChannel( entnum, true )))
return;
if( ch->sound_info.rate == 0 )
{
if( !AVI_GetAudioInfo( Avi, &ch->sound_info ))
return; // no audiotrack
}
ch->master_vol = bound( 0, fvol * 255, 255 );
ch->dist_mult = (attn / SND_CLIP_DISTANCE);
// see how many samples should be copied into the raw buffer
if( ch->s_rawend < soundtime )
ch->s_rawend = soundtime;
// position is changed, synchronization is lost etc
if( fabs( ch->oldtime - synctime ) > s_mixahead.value )
ch->sound_info.loopStart = AVI_TimeToSoundPosition( Avi, synctime * 1000 );
ch->oldtime = synctime; // keep actual time
while( ch->s_rawend < soundtime + ch->max_samples )
{
wavdata_t *info = &ch->sound_info;
bufferSamples = ch->max_samples - (ch->s_rawend - soundtime);
// decide how much data needs to be read from the file
fileSamples = bufferSamples * ((float)info->rate / SOUND_DMA_SPEED );
if( fileSamples <= 1 ) return; // no more samples need
// our max buffer size
fileBytes = fileSamples * ( info->width * info->channels );
if( fileBytes > sizeof( raw ))
{
fileBytes = sizeof( raw );
fileSamples = fileBytes / ( info->width * info->channels );
}
// read audio stream
r = AVI_GetAudioChunk( Avi, raw, info->loopStart, fileBytes );
info->loopStart += r; // advance play position
if( r < fileBytes )
{
fileBytes = r;
fileSamples = r / ( info->width * info->channels );
}
if( r > 0 )
{
// add to raw buffer
ch->s_rawend = S_RawSamplesStereo( ch->rawsamples, ch->s_rawend, ch->max_samples,
fileSamples, info->rate, info->width, info->channels, raw );
}
else break; // no more samples for this frame
}
}
/*
===================
S_FreeIdleRawChannels
Free raw channel that have been idling for too long.
===================
*/
static void S_FreeIdleRawChannels( void )
{
int i;
for( i = 0; i < MAX_RAW_CHANNELS; i++ )
{
rawchan_t *ch = raw_channels[i];
if( !ch ) continue;
if( ch->s_rawend >= paintedtime )
continue;
if ( ch->entnum > 0 )
SND_ForceCloseMouth( ch->entnum );
if(( paintedtime - ch->s_rawend ) / SOUND_DMA_SPEED >= S_RAW_SOUND_IDLE_SEC )
{
raw_channels[i] = NULL;
Mem_Free( ch );
}
}
}
/*
===================
S_ClearRawChannels
===================
*/
static void S_ClearRawChannels( void )
{
int i;
for( i = 0; i < MAX_RAW_CHANNELS; i++ )
{
rawchan_t *ch = raw_channels[i];
if( !ch ) continue;
ch->s_rawend = 0;
ch->oldtime = -1;
}
}
/*
===================
S_SpatializeRawChannels
===================
*/
static void S_SpatializeRawChannels( void )
{
int i;
for( i = 0; i < MAX_RAW_CHANNELS; i++ )
{
rawchan_t *ch = raw_channels[i];
vec3_t source_vec;
float dist, dot;
if( !ch ) continue;
if( ch->s_rawend < paintedtime )
{
ch->leftvol = ch->rightvol = 0;
continue;
}
// spatialization
if( !S_IsClient( ch->entnum ) && ch->dist_mult && ch->entnum >= 0 && ch->entnum < GI->max_edicts )
{
if( !CL_GetMovieSpatialization( ch ))
{
// origin is null and entity not exist on client
ch->leftvol = ch->rightvol = 0;
}
else
{
VectorSubtract( ch->origin, s_listener.origin, source_vec );
// normalize source_vec and get distance from listener to source
dist = VectorNormalizeLength( source_vec );
dot = DotProduct( s_listener.right, source_vec );
// don't pan sounds with no attenuation
if( ch->dist_mult <= 0.0f ) dot = 0.0f;
// fill out channel volumes for single location
S_SpatializeChannel( &ch->leftvol, &ch->rightvol, ch->master_vol, 1.0f, dot, dist * ch->dist_mult );
}
}
else
{
ch->leftvol = ch->rightvol = ch->master_vol;
}
}
}
/*
===================
S_FreeRawChannels
===================
*/
static void S_FreeRawChannels( void )
{
int i;
// free raw samples
for( i = 0; i < MAX_RAW_CHANNELS; i++ )
{
if( raw_channels[i] )
Mem_Free( raw_channels[i] );
}
memset( raw_channels, 0, sizeof( raw_channels ));
}
//=============================================================================
/*
==================
S_ClearBuffer
==================
*/
void S_ClearBuffer( void )
{
S_ClearRawChannels();
SNDDMA_BeginPainting ();
if( dma.buffer ) memset( dma.buffer, 0, dma.samples * 2 );
SNDDMA_Submit ();
MIX_ClearAllPaintBuffers( PAINTBUFFER_SIZE, true );
}
/*
==================
S_StopSound
stop all sounds for entity on a channel.
==================
*/
void GAME_EXPORT S_StopSound( int entnum, int channel, const char *soundname )
{
sfx_t *sfx;
if( !dma.initialized ) return;
sfx = S_FindName( soundname, NULL );
S_AlterChannel( entnum, channel, sfx, 0, 0, SND_STOP );
}
/*
==================
S_StopAllSounds
==================
*/
void S_StopAllSounds( qboolean ambient )
{
int i;
if( !dma.initialized ) return;
total_channels = MAX_DYNAMIC_CHANNELS; // no statics
for( i = 0; i < MAX_CHANNELS; i++ )
{
if( !channels[i].sfx ) continue;
S_FreeChannel( &channels[i] );
}
DSP_ClearState();
// clear all the channels
memset( channels, 0, sizeof( channels ));
// restart the ambient sounds
if( ambient ) S_InitAmbientChannels ();
S_ClearBuffer ();
// clear any remaining soundfade
memset( &soundfade, 0, sizeof( soundfade ));
}
/*
==============
S_GetSoundtime
update global soundtime
(was part of platform code)
===============
*/
static int S_GetSoundtime( void )
{
static int buffers, oldsamplepos;
int samplepos, fullsamples;
fullsamples = dma.samples / 2;
// it is possible to miscount buffers
// if it has wrapped twice between
// calls to S_Update. Oh well.
samplepos = dma.samplepos;
if( samplepos < oldsamplepos )
{
buffers++; // buffer wrapped
if( paintedtime > 0x40000000 )
{
// time to chop things off to avoid 32 bit limits
buffers = 0;
paintedtime = fullsamples;
S_StopAllSounds( true );
}
}
oldsamplepos = samplepos;
return ( buffers * fullsamples + samplepos / 2 );
}
//=============================================================================
void S_UpdateChannels( void )
{
uint endtime;
int samps;
SNDDMA_BeginPainting();
if( !dma.buffer ) return;
// updates DMA time
soundtime = S_GetSoundtime();
// soundtime - total samples that have been played out to hardware at dmaspeed
// paintedtime - total samples that have been mixed at speed
// endtime - target for samples in mixahead buffer at speed
endtime = soundtime + s_mixahead.value * SOUND_DMA_SPEED;
samps = dma.samples >> 1;
if((int)(endtime - soundtime) > samps )
endtime = soundtime + samps;
if(( endtime - paintedtime ) & 0x3 )
{
// the difference between endtime and painted time should align on
// boundaries of 4 samples. this is important when upsampling from 11khz -> 44khz.
endtime -= ( endtime - paintedtime ) & 0x3;
}
MIX_PaintChannels( endtime );
SNDDMA_Submit();
}
/*
=================
S_ExtraUpdate
Don't let sound skip if going slow
=================
*/
void S_ExtraUpdate( void )
{
if( !dma.initialized ) return;
S_UpdateChannels ();
}
/*
============
S_UpdateFrame
update listener position
============
*/
void S_UpdateFrame( struct ref_viewpass_s *rvp )
{
if( !FBitSet( rvp->flags, RF_DRAW_WORLD ) || FBitSet( rvp->flags, RF_ONLY_CLIENTDRAW ))
return;
VectorCopy( rvp->vieworigin, s_listener.origin );
AngleVectors( rvp->viewangles, s_listener.forward, s_listener.right, s_listener.up );
s_listener.entnum = rvp->viewentity; // can be camera entity too
}
/*
============
SND_UpdateSound
Called once each time through the main loop
============
*/
void SND_UpdateSound( void )
{
int i, j, total;
channel_t *ch, *combine;
con_nprint_t info;
if( !dma.initialized ) return;
// if the loading plaque is up, clear everything
// out to make sure we aren't looping a dirty
// dma buffer while loading
// update any client side sound fade
S_UpdateSoundFade();
// release raw-channels that no longer used more than 10 secs
S_FreeIdleRawChannels();
VectorCopy( cl.simvel, s_listener.velocity );
s_listener.frametime = (cl.time - cl.oldtime);
s_listener.waterlevel = cl.local.waterlevel;
s_listener.active = CL_IsInGame();
s_listener.inmenu = CL_IsInMenu();
s_listener.paused = cl.paused;
// update general area ambient sound sources
S_UpdateAmbientSounds();
combine = NULL;
// update spatialization for static and dynamic sounds
for( i = NUM_AMBIENTS, ch = channels + NUM_AMBIENTS; i < total_channels; i++, ch++ )
{
if( !ch->sfx ) continue;
SND_Spatialize( ch ); // respatialize channel
if( !ch->leftvol && !ch->rightvol )
continue;
// try to combine static sounds with a previous channel of the same
// sound effect so we don't mix five torches every frame
// g-cont: perfomance option, probably kill stereo effect in most cases
if( i >= MAX_DYNAMIC_CHANNELS && s_combine_sounds.value )
{
// see if it can just use the last one
if( combine && combine->sfx == ch->sfx )
{
combine->leftvol += ch->leftvol;
combine->rightvol += ch->rightvol;
ch->leftvol = ch->rightvol = 0;
continue;
}
// search for one
combine = channels + MAX_DYNAMIC_CHANNELS;
for( j = MAX_DYNAMIC_CHANNELS; j < i; j++, combine++ )
{
if( combine->sfx == ch->sfx )
break;
}
if( j == total_channels )
{
combine = NULL;
}
else
{
if( combine != ch )
{
combine->leftvol += ch->leftvol;
combine->rightvol += ch->rightvol;
ch->leftvol = ch->rightvol = 0;
}
continue;
}
}
}
S_SpatializeRawChannels();
// debugging output
if( s_show.value != 0.0f )
{
info.color[0] = 1.0f;
info.color[1] = 0.6f;
info.color[2] = 0.0f;
info.time_to_live = 0.5f;
for( i = 0, total = 1, ch = channels; i < MAX_CHANNELS; i++, ch++ )
{
if( ch->sfx && ( ch->leftvol || ch->rightvol ))
{
info.index = total;
Con_NXPrintf( &info, "chan %i, pos (%.f %.f %.f) ent %i, lv%3i rv%3i %s\n",
i, ch->origin[0], ch->origin[1], ch->origin[2], ch->entnum, ch->leftvol, ch->rightvol, ch->sfx->name );
total++;
}
}
VectorSet( info.color, 1.0f, 1.0f, 1.0f );
info.index = 0;
Con_NXPrintf( &info, "room_type: %i (%s) ----(%i)---- painted: %i\n", idsp_room, Cvar_VariableString( "dsp_coeff_table" ), total - 1, paintedtime );
}
S_StreamBackgroundTrack ();
S_StreamSoundTrack ();
// mix some sound
S_UpdateChannels ();
}
/*
===============================================================================
console functions
===============================================================================
*/
void S_Play_f( void )
{
if( Cmd_Argc() == 1 )
{
Con_Printf( S_USAGE "play <soundfile>\n" );
return;
}
S_StartLocalSound( Cmd_Argv( 1 ), VOL_NORM, false );
}
void S_Play2_f( void )
{
int i = 1;
if( Cmd_Argc() == 1 )
{
Con_Printf( S_USAGE "play2 <soundfile>\n" );
return;
}
while( i < Cmd_Argc( ))
{
S_StartLocalSound( Cmd_Argv( i ), VOL_NORM, true );
i++;
}
}
void S_PlayVol_f( void )
{
if( Cmd_Argc() == 1 )
{
Con_Printf( S_USAGE "playvol <soundfile volume>\n" );
return;
}
S_StartLocalSound( Cmd_Argv( 1 ), Q_atof( Cmd_Argv( 2 )), false );
}
static void S_Say( const char *name, qboolean reliable )
{
char sentence[1024];
// predefined vox sentence
if( name[0] == '!' )
{
S_StartLocalSound( name, 1.0f, reliable );
return;
}
Q_snprintf( sentence, sizeof( sentence ), "!#%s", name );
S_StartLocalSound( sentence, 1.0f, reliable );
}
void S_Say_f( void )
{
if( Cmd_Argc() == 1 )
{
Con_Printf( S_USAGE "speak <vox sentence>\n" );
return;
}
S_Say( Cmd_Argv( 1 ), false );
}
void S_SayReliable_f( void )
{
if( Cmd_Argc() == 1 )
{
Con_Printf( S_USAGE "spk <vox sentence>\n" );
return;
}
S_Say( Cmd_Argv( 1 ), true );
}
/*
=================
S_Music_f
=================
*/
void S_Music_f( void )
{
int c = Cmd_Argc();
// run background track
if( c == 1 )
{
// blank name stopped last track
S_StopBackgroundTrack();
}
else if( c == 2 )
{
string intro, main, track;
const char *ext[] = { "mp3", "wav" };
int i;
Q_strncpy( track, Cmd_Argv( 1 ), sizeof( track ));
Q_snprintf( intro, sizeof( intro ), "%s_intro", Cmd_Argv( 1 ));
Q_snprintf( main, sizeof( main ), "%s_main", Cmd_Argv( 1 ));
for( i = 0; i < 2; i++ )
{
char intro_path[MAX_VA_STRING];
char main_path[MAX_VA_STRING];
char track_path[MAX_VA_STRING];
Q_snprintf( intro_path, sizeof( intro_path ), "media/%s.%s", intro, ext[i] );
Q_snprintf( main_path, sizeof( main_path ), "media/%s.%s", main, ext[i] );
if( FS_FileExists( intro_path, false ) && FS_FileExists( main_path, false ))
{
// combined track with introduction and main loop theme
S_StartBackgroundTrack( intro, main, 0, false );
break;
}
Q_snprintf( track_path, sizeof( track_path ), "media/%s.%s", track, ext[i] );
if( FS_FileExists( track_path, false ))
{
// single non-looped theme
S_StartBackgroundTrack( track, NULL, 0, false );
break;
}
}
}
else if( c == 3 )
{
S_StartBackgroundTrack( Cmd_Argv( 1 ), Cmd_Argv( 2 ), 0, false );
}
else if( c == 4 && Q_atoi( Cmd_Argv( 3 )) != 0 )
{
// restore command for singleplayer: all arguments are valid
S_StartBackgroundTrack( Cmd_Argv( 1 ), Cmd_Argv( 2 ), Q_atoi( Cmd_Argv( 3 )), false );
}
else Con_Printf( S_USAGE "music <musicfile> [loopfile]\n" );
}
/*
=================
S_StopSound_f
=================
*/
void S_StopSound_f( void )
{
S_StopAllSounds( true );
}
/*
=================
S_SoundFade_f
=================
*/
void S_SoundFade_f( void )
{
int c = Cmd_Argc();
float fadeTime = 5.0f;
if( c == 2 )
fadeTime = bound( 1.0f, atof( Cmd_Argv( 1 )), 60.0f );
S_FadeClientVolume( 100.0f, fadeTime, 1.0f, 0.0f );
snd_fade_sequence = true;
}
/*
=================
S_SoundInfo_f
=================
*/
void S_SoundInfo_f( void )
{
Con_Printf( "Audio backend: %s\n", dma.backendName );
Con_Printf( "%5d channel(s)\n", 2 );
Con_Printf( "%5d samples\n", dma.samples );
Con_Printf( "%5d bits/sample\n", 16 );
Con_Printf( "%5d bytes/sec\n", SOUND_DMA_SPEED );
Con_Printf( "%5d total_channels\n", total_channels );
S_PrintBackgroundTrackState ();
}
/*
=================
S_VoiceRecordStart_f
=================
*/
void S_VoiceRecordStart_f( void )
{
if( cls.state != ca_active || cls.legacymode )
return;
Voice_RecordStart();
}
/*
=================
S_VoiceRecordStop_f
=================
*/
void S_VoiceRecordStop_f( void )
{
if( cls.state != ca_active || !Voice_IsRecording() )
return;
CL_AddVoiceToDatagram();
Voice_RecordStop();
}
/*
================
S_Init
================
*/
qboolean S_Init( void )
{
if( Sys_CheckParm( "-nosound" ))
{
Con_Printf( "Audio: Disabled\n" );
return false;
}
Cvar_RegisterVariable( &s_volume );
Cvar_RegisterVariable( &s_musicvolume );
Cvar_RegisterVariable( &s_mixahead );
Cvar_RegisterVariable( &s_show );
Cvar_RegisterVariable( &s_lerping );
Cvar_RegisterVariable( &s_ambient_level );
Cvar_RegisterVariable( &s_ambient_fade );
Cvar_RegisterVariable( &s_combine_sounds );
Cvar_RegisterVariable( &snd_mute_losefocus );
Cvar_RegisterVariable( &s_test );
Cvar_RegisterVariable( &s_samplecount );
Cvar_RegisterVariable( &s_warn_late_precache );
Cmd_AddCommand( "play", S_Play_f, "playing a specified sound file" );
Cmd_AddCommand( "play2", S_Play2_f, "playing a group of specified sound files" ); // nehahra stuff
Cmd_AddCommand( "playvol", S_PlayVol_f, "playing a specified sound file with specified volume" );
Cmd_AddCommand( "stopsound", S_StopSound_f, "stop all sounds" );
Cmd_AddCommand( "music", S_Music_f, "starting a background track" );
Cmd_AddCommand( "soundlist", S_SoundList_f, "display loaded sounds" );
Cmd_AddCommand( "s_info", S_SoundInfo_f, "print sound system information" );
Cmd_AddCommand( "s_fade", S_SoundFade_f, "fade all sounds then stop all" );
Cmd_AddCommand( "+voicerecord", S_VoiceRecordStart_f, "start voice recording" );
Cmd_AddCommand( "-voicerecord", S_VoiceRecordStop_f, "stop voice recording" );
Cmd_AddCommand( "spk", S_SayReliable_f, "reliable play a specified sententce" );
Cmd_AddCommand( "speak", S_Say_f, "playing a specified sententce" );
dma.backendName = "None";
if( !SNDDMA_Init( ) )
{
Con_Printf( "Audio: sound system can't be initialized\n" );
return false;
}
sndpool = Mem_AllocPool( "Sound Zone" );
soundtime = 0;
paintedtime = 0;
// clear ambient sounds
memset( ambient_sfx, 0, sizeof( ambient_sfx ));
MIX_InitAllPaintbuffers ();
SX_Init ();
S_InitScaletable ();
S_StopAllSounds ( true );
S_InitSounds ();
VOX_Init ();
return true;
}
// =======================================================================
// Shutdown sound engine
// =======================================================================
void S_Shutdown( void )
{
if( !dma.initialized ) return;
Cmd_RemoveCommand( "play" );
Cmd_RemoveCommand( "playvol" );
Cmd_RemoveCommand( "stopsound" );
Cmd_RemoveCommand( "music" );
Cmd_RemoveCommand( "soundlist" );
Cmd_RemoveCommand( "s_info" );
Cmd_RemoveCommand( "s_fade" );
Cmd_RemoveCommand( "+voicerecord" );
Cmd_RemoveCommand( "-voicerecord" );
Cmd_RemoveCommand( "speak" );
Cmd_RemoveCommand( "spk" );
S_StopAllSounds (false);
S_FreeRawChannels ();
S_FreeSounds ();
VOX_Shutdown ();
SX_Free ();
SNDDMA_Shutdown ();
MIX_FreeAllPaintbuffers ();
Mem_FreePool( &sndpool );
}
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