// Called once each time through the main loop
void S_Update(const CVec3 &origin, const CVec3 &right)
{
int i;
if (!sound_started) return;
// rebuild scale tables if volume is modified
if (s_volume->modified)
S_InitScaletable();
listener_origin = origin;
listener_right = right;
// update spatialization for dynamic sounds
channel_t *ch = channels;
for (i = 0; i < MAX_CHANNELS; i++, ch++)
{
if (!ch->sfx)
continue;
if (ch->autosound)
{ // autosounds are regenerated fresh each frame
memset(ch, 0, sizeof(*ch));
continue;
}
S_Spatialize(ch); // respatialize channel
if (!ch->leftvol && !ch->rightvol)
{
memset(ch, 0, sizeof(*ch));
continue;
}
}
// add loopsounds
AddLoopSounds();
// debugging output
if (s_show->integer == 2)
{
int total = 0;
for (i = 0, ch = channels; i < MAX_CHANNELS; i++, ch++)
if (ch->sfx && (ch->leftvol || ch->rightvol) )
{
appPrintf("%3i %3i %s\n", ch->leftvol, ch->rightvol, *ch->sfx->Name);
total++;
}
appPrintf("----(%i)---- painted: %i\n", total, paintedtime);
}
// mix some sound
S_Update_();
}
/*
===============
S_IssuePlaysound
Take the next playsound and begin it on the channel
This is never called directly by S_Play*, but only
by the update loop.
===============
*/
void S_IssuePlaysound (playsound_t *ps)
{
channel_t *ch;
sfxcache_t *sc;
if (s_show->integer)
Com_Printf ("Issue %i\n", ps->begin);
// pick a channel to play on
ch = S_PickChannel(ps->entnum, ps->entchannel);
if (!ch) {
S_FreePlaysound(ps);
return;
}
sc = S_LoadSound(ps->sfx);
if (!sc || sc->length <= 0) {
S_FreePlaysound(ps);
return;
}
// spatialize
if (ps->attenuation == ATTN_STATIC)
ch->dist_mult = ps->attenuation * 0.001f;
else
ch->dist_mult = ps->attenuation * 0.0005f;
ch->master_vol = ps->volume;
ch->entnum = ps->entnum;
ch->entchannel = ps->entchannel;
ch->sfx = ps->sfx;
VectorCopy (ps->origin, ch->origin);
ch->fixed_origin = ps->fixed_origin;
S_Spatialize(ch);
ch->pos = 0;
ch->end = paintedtime + sc->length;
// free the playsound
S_FreePlaysound(ps);
}
/*
===============
S_IssuePlaysound
Take the next playsound and begin it on the channel
This is never called directly by S_Play*, but only
by the update loop.
===============
*/
void S_IssuePlaysound(playsound_t *ps)
{
channel_t *ch;
sfxcache_t *sc;
if (s_show->integer)
appPrintf("Sound: %s begin:%d ent:%d chn:%d\n", *ps->sfx->Name, ps->begin, ps->entnum, ps->entchannel);
// pick a channel to play on
ch = S_PickChannel(ps->entnum, ps->entchannel);
if (!ch)
{
S_FreePlaysound(ps);
return;
}
// spatialize
if (ps->attenuation == ATTN_STATIC)
ch->dist_mult = ps->attenuation * 0.001f; // will be fixed value: 0.003f
else
ch->dist_mult = ps->attenuation * 0.0005f;
ch->master_vol = ps->volume;
ch->entnum = ps->entnum;
ch->entchannel = ps->entchannel;
ch->sfx = ps->sfx;
ch->origin = ps->origin;
ch->fixed_origin = ps->fixed_origin;
S_Spatialize(ch);
ch->pos = 0;
sc = S_LoadSound(ch->sfx);
ch->end = paintedtime + sc->length;
// free the playsound
S_FreePlaysound(ps);
}
/*
============
S_Update
Called once each time through the main loop
============
*/
void S_Update(vec3_t origin, vec3_t forward, vec3_t right, vec3_t up)
{
int i;
int total;
channel_t *ch;
channel_t *combine;
if (!sound_started)
return;
// if the laoding plaque is up, clear everything
// out to make sure we aren't looping a dirty
// dma buffer while loading
if (cls.disable_screen)
{
S_ClearBuffer ();
return;
}
// rebuild scale tables if volume is modified
if (s_volume->modified)
S_InitScaletable ();
VectorCopy(origin, listener_origin);
VectorCopy(forward, listener_forward);
VectorCopy(right, listener_right);
VectorCopy(up, listener_up);
combine = NULL;
// update spatialization for dynamic sounds
ch = channels;
for (i=0 ; i<MAX_CHANNELS; i++, ch++)
{
if (!ch->sfx)
continue;
if (ch->autosound)
{ // autosounds are regenerated fresh each frame
memset (ch, 0, sizeof(*ch));
continue;
}
S_Spatialize(ch); // respatialize channel
if (!ch->leftvol && !ch->rightvol)
{
memset (ch, 0, sizeof(*ch));
continue;
}
}
// add loopsounds
S_AddLoopSounds ();
//
// debugging output
//
if (s_show->value)
{
total = 0;
ch = channels;
for (i=0 ; i<MAX_CHANNELS; i++, ch++)
if (ch->sfx && (ch->leftvol || ch->rightvol) )
{
Com_Printf ("%3i %3i %s\n", ch->leftvol, ch->rightvol, ch->sfx->name);
total++;
}
Com_Printf ("----(%i)---- painted: %i\n", total, paintedtime);
}
#ifdef OGG_SUPPORT
// Com_DPrintf ("S_Update: calling S_UpdateBackgroundTrack\n"); // debug
S_UpdateBackgroundTrack (); // Knightmare added
#endif
// mix some sound
S_Update_();
}