2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // snd_main.c -- main control for any streaming sound output device
31 void S_SoundList(void);
34 void S_ClearBuffer (void);
37 // =======================================================================
38 // Internal sound data & structures
39 // =======================================================================
41 channel_t channels[MAX_CHANNELS];
42 unsigned int total_channels;
45 cvar_t snd_initialized = { CVAR_READONLY, "snd_initialized", "0"};
46 cvar_t snd_streaming = { CVAR_SAVE, "snd_streaming", "1"};
48 volatile dma_t *shm = 0;
51 vec3_t listener_origin;
52 matrix4x4_t listener_matrix;
53 vec_t sound_nominal_clip_dist=1000.0;
54 mempool_t *snd_mempool;
59 // Linked list of known sfx
60 sfx_t *known_sfx = NULL;
62 qboolean sound_started = false;
63 qboolean sound_spatialized = false;
65 // Fake dma is a synchronous faking of the DMA progress used for
66 // isolating performance in the renderer.
67 qboolean fakedma = false;
69 cvar_t bgmvolume = {CVAR_SAVE, "bgmvolume", "1"};
70 cvar_t volume = {CVAR_SAVE, "volume", "0.7"};
71 cvar_t snd_staticvolume = {CVAR_SAVE, "snd_staticvolume", "1"};
73 cvar_t nosound = {0, "nosound", "0"};
74 cvar_t snd_precache = {0, "snd_precache", "1"};
75 cvar_t bgmbuffer = {0, "bgmbuffer", "4096"};
76 cvar_t ambient_level = {0, "ambient_level", "0.3"};
77 cvar_t ambient_fade = {0, "ambient_fade", "100"};
78 cvar_t snd_noextraupdate = {0, "snd_noextraupdate", "0"};
79 cvar_t snd_show = {0, "snd_show", "0"};
80 cvar_t _snd_mixahead = {CVAR_SAVE, "_snd_mixahead", "0.1"};
81 cvar_t snd_swapstereo = {CVAR_SAVE, "snd_swapstereo", "0"};
84 sfx_t* ambient_sfxs [2] = { NULL, NULL };
85 const char* ambient_names [2] = { "sound/ambience/water1.wav", "sound/ambience/wind2.wav" };
88 // ====================================================================
90 // ====================================================================
92 void S_SoundInfo_f(void)
96 Con_Print("sound system not started\n");
100 Con_Printf("%5d stereo\n", shm->format.channels - 1);
101 Con_Printf("%5d samples\n", shm->samples);
102 Con_Printf("%5d samplepos\n", shm->samplepos);
103 Con_Printf("%5d samplebits\n", shm->format.width * 8);
104 Con_Printf("%5d speed\n", shm->format.speed);
105 Con_Printf("%p dma buffer\n", shm->buffer);
106 Con_Printf("%5u total_channels\n", total_channels);
112 if (!snd_initialized.integer)
116 memset((void *)shm, 0, sizeof(*shm));
118 // create a piece of DMA memory
121 shm->format.width = 2;
122 shm->format.speed = 22050;
123 shm->format.channels = 2;
124 shm->samples = 32768;
126 shm->buffer = Mem_Alloc(snd_mempool, shm->format.channels * shm->samples * shm->format.width);
132 Con_Print("S_Startup: SNDDMA_Init failed.\n");
134 sound_started = false;
135 sound_spatialized = false;
140 sound_started = true;
142 Con_DPrintf("Sound sampling rate: %i\n", shm->format.speed);
147 void S_Shutdown(void)
153 Mem_Free(shm->buffer);
158 sound_started = false;
159 sound_spatialized = false;
162 void S_Restart_f(void)
175 Con_DPrint("\nSound Initialization\n");
177 Cvar_RegisterVariable(&volume);
178 Cvar_RegisterVariable(&bgmvolume);
179 Cvar_RegisterVariable(&snd_staticvolume);
181 // COMMANDLINEOPTION: Sound: -nosound disables sound (including CD audio)
182 if (COM_CheckParm("-nosound") || COM_CheckParm("-safe"))
185 snd_mempool = Mem_AllocPool("sound", 0, NULL);
187 // COMMANDLINEOPTION: Sound: -simsound runs sound mixing but with no output
188 if (COM_CheckParm("-simsound"))
191 Cmd_AddCommand("play", S_Play);
192 Cmd_AddCommand("play2", S_Play2);
193 Cmd_AddCommand("playvol", S_PlayVol);
194 Cmd_AddCommand("stopsound", S_StopAllSounds);
195 Cmd_AddCommand("soundlist", S_SoundList);
196 Cmd_AddCommand("soundinfo", S_SoundInfo_f);
197 Cmd_AddCommand("snd_restart", S_Restart_f);
199 Cvar_RegisterVariable(&nosound);
200 Cvar_RegisterVariable(&snd_precache);
201 Cvar_RegisterVariable(&snd_initialized);
202 Cvar_RegisterVariable(&snd_streaming);
203 Cvar_RegisterVariable(&bgmbuffer);
204 Cvar_RegisterVariable(&ambient_level);
205 Cvar_RegisterVariable(&ambient_fade);
206 Cvar_RegisterVariable(&snd_noextraupdate);
207 Cvar_RegisterVariable(&snd_show);
208 Cvar_RegisterVariable(&_snd_mixahead);
209 Cvar_RegisterVariable(&snd_swapstereo); // for people with backwards sound wiring
211 Cvar_SetValueQuick(&snd_initialized, true);
215 total_channels = MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS; // no statics
216 memset(channels, 0, MAX_CHANNELS * sizeof(channel_t));
222 // =======================================================================
224 // =======================================================================
232 sfx_t *S_FindName (const char *name)
236 if (!snd_initialized.integer)
239 // Add the default sound directory to the path
240 if (strlen (name) >= sizeof (sfx->name))
241 Host_Error ("S_FindName: sound name too long (%s)", name);
243 // Look for this sound in the list of known sfx
244 for (sfx = known_sfx; sfx != NULL; sfx = sfx->next)
245 if(!strcmp (sfx->name, name))
248 // Add a sfx_t struct for this sound
249 sfx = Mem_Alloc (snd_mempool, sizeof (*sfx));
250 memset (sfx, 0, sizeof(*sfx));
251 strlcpy (sfx->name, name, sizeof (sfx->name));
252 sfx->next = known_sfx;
265 void S_FreeSfx (sfx_t *sfx)
267 // Never free a locked sfx
268 if (sfx->locks > 0 || (sfx->flags & SFXFLAG_PERMANENTLOCK))
271 Con_DPrintf ("S_FreeSfx: freeing %s\n", sfx->name);
273 // Remove it from the list of known sfx
274 if (sfx == known_sfx)
275 known_sfx = known_sfx->next;
280 for (prev_sfx = known_sfx; prev_sfx != NULL; prev_sfx = prev_sfx->next)
281 if (prev_sfx->next == sfx)
283 prev_sfx->next = sfx->next;
286 if (prev_sfx == NULL)
287 Sys_Error ("S_FreeSfx: Can't find SFX %s in the list!\n", sfx->name);
291 Mem_FreePool (&sfx->mempool);
302 void S_ServerSounds (char serversound [][MAX_QPATH], unsigned int numsounds)
307 // Start the ambient sounds and make them loop
308 for (i = 0; i < sizeof (ambient_sfxs) / sizeof (ambient_sfxs[0]); i++)
310 // Precache it if it's not done (request a lock to make sure it will never be freed)
311 if (ambient_sfxs[i] == NULL)
312 ambient_sfxs[i] = S_PrecacheSound (ambient_names[i], false, true);
313 if (ambient_sfxs[i] != NULL)
315 // Add a lock to the SFX while playing. It will be
316 // removed by S_StopAllSounds at the end of the level
317 S_LockSfx (ambient_sfxs[i]);
319 channels[i].sfx = ambient_sfxs[i];
320 channels[i].flags |= CHANNELFLAG_FORCELOOP;
321 channels[i].master_vol = 0;
325 // Remove 1 lock from all sfx with the SFXFLAG_SERVERSOUND flag, and remove the flag
326 for (sfx = known_sfx; sfx != NULL; sfx = sfx->next)
327 if (sfx->flags & SFXFLAG_SERVERSOUND)
330 sfx->flags &= ~SFXFLAG_SERVERSOUND;
333 // Add 1 lock and the SFXFLAG_SERVERSOUND flag to each sfx in "serversound"
334 for (i = 1; i < numsounds; i++)
336 sfx = S_FindName (serversound[i]);
340 sfx->flags |= SFXFLAG_SERVERSOUND;
344 // Free all unlocked sfx
350 // We may lose the "next" pointer after S_FreeSfx
365 sfx_t *S_PrecacheSound (const char *name, qboolean complain, qboolean lock)
369 if (!snd_initialized.integer)
372 sfx = S_FindName (name);
379 if (!nosound.integer && snd_precache.integer)
380 S_LoadSound(sfx, complain);
392 void S_LockSfx (sfx_t *sfx)
401 Remove a lock from a SFX
404 void S_UnlockSfx (sfx_t *sfx)
410 //=============================================================================
416 Picks a channel based on priorities, empty slots, number of channels
419 channel_t *SND_PickChannel(int entnum, int entchannel)
426 // Check for replacement sound, or find the best one to replace
428 life_left = 0x7fffffff;
429 for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++)
431 ch = &channels[ch_idx];
432 if (entchannel != 0 // channel 0 never overrides
433 && ch->entnum == entnum
434 && (ch->entchannel == entchannel || entchannel == -1) )
435 { // always override sound from same entity
436 first_to_die = ch_idx;
440 // don't let monster sounds override player sounds
441 if (ch->entnum == cl.viewentity && entnum != cl.viewentity && ch->sfx)
444 // don't override looped sounds
445 if ((ch->flags & CHANNELFLAG_FORCELOOP) != 0 ||
446 (ch->sfx != NULL && ch->sfx->loopstart >= 0))
449 if (ch->end - paintedtime < life_left)
451 life_left = ch->end - paintedtime;
452 first_to_die = ch_idx;
456 if (first_to_die == -1)
459 S_StopChannel (first_to_die);
461 return &channels[first_to_die];
468 Spatializes a channel
471 void SND_Spatialize(channel_t *ch, qboolean isstatic)
473 vec_t dist, scale, pan;
476 // anything coming from the view entity will always be full volume
477 // LordHavoc: make sounds with ATTN_NONE have no spatialization
478 if (ch->entnum == cl.viewentity || ch->dist_mult == 0)
480 ch->leftvol = ch->master_vol;
481 ch->rightvol = ch->master_vol;
485 // update sound origin if we know about the entity
486 if (ch->entnum > 0 && cls.state == ca_connected && cl_entities[ch->entnum].state_current.active)
488 //Con_Printf("-- entnum %i origin %f %f %f neworigin %f %f %f\n", ch->entnum, ch->origin[0], ch->origin[1], ch->origin[2], cl_entities[ch->entnum].state_current.origin[0], cl_entities[ch->entnum].state_current.origin[1], cl_entities[ch->entnum].state_current.origin[2]);
489 VectorCopy(cl_entities[ch->entnum].state_current.origin, ch->origin);
490 if (cl_entities[ch->entnum].state_current.modelindex && cl.model_precache[cl_entities[ch->entnum].state_current.modelindex] && cl.model_precache[cl_entities[ch->entnum].state_current.modelindex]->soundfromcenter)
491 VectorMAMAM(1.0f, ch->origin, 0.5f, cl.model_precache[cl_entities[ch->entnum].state_current.modelindex]->normalmins, 0.5f, cl.model_precache[cl_entities[ch->entnum].state_current.modelindex]->normalmaxs, ch->origin);
494 // calculate stereo seperation and distance attenuation
495 Matrix4x4_Transform(&listener_matrix, ch->origin, source_vec);
496 dist = VectorNormalizeLength(source_vec);
498 scale = ch->master_vol * (1.0 - (dist * ch->dist_mult));
500 pan = scale * source_vec[1];
501 // calculate the volumes
502 ch->leftvol = (int) (scale + pan);
503 ch->rightvol = (int) (scale - pan);
506 // Adjust volume of static sounds
509 ch->leftvol *= snd_staticvolume.value;
510 ch->rightvol *= snd_staticvolume.value;
514 ch->leftvol = bound(0, ch->leftvol, 255);
515 ch->rightvol = bound(0, ch->rightvol, 255);
519 // =======================================================================
520 // Start a sound effect
521 // =======================================================================
523 void S_PlaySfxOnChannel (sfx_t *sfx, channel_t *target_chan, unsigned int flags, vec3_t origin, float fvol, float attenuation, qboolean isstatic)
525 // Initialize the channel
526 memset (target_chan, 0, sizeof (*target_chan));
527 VectorCopy (origin, target_chan->origin);
528 target_chan->master_vol = fvol * 255;
529 target_chan->sfx = sfx;
530 target_chan->end = paintedtime + sfx->total_length;
531 target_chan->lastptime = paintedtime;
532 target_chan->flags = flags;
534 // If it's a static sound
537 if (sfx->loopstart == -1)
538 Con_DPrintf("Quake compatibility warning: Static sound \"%s\" is not looped\n", sfx->name);
539 target_chan->dist_mult = attenuation / (64.0f * sound_nominal_clip_dist);
542 target_chan->dist_mult = attenuation / sound_nominal_clip_dist;
544 // Lock the SFX during play
549 int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation)
551 channel_t *target_chan, *check;
555 if (!sound_started || !sfx || nosound.integer)
559 Con_DPrintf ("S_StartSound: \"%s\" hasn't been precached\n", sfx->name);
563 // Pick a channel to play on
564 target_chan = SND_PickChannel(entnum, entchannel);
568 S_PlaySfxOnChannel (sfx, target_chan, CHANNELFLAG_NONE, origin, fvol, attenuation, false);
569 target_chan->entnum = entnum;
570 target_chan->entchannel = entchannel;
572 SND_Spatialize(target_chan, false);
574 // if an identical sound has also been started this frame, offset the pos
575 // a bit to keep it from just making the first one louder
576 check = &channels[NUM_AMBIENTS];
577 for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++, check++)
579 if (check == target_chan)
581 if (check->sfx == sfx && !check->pos)
583 skip = 0.1 * sfx->format.speed;
584 if (skip > sfx->total_length)
585 skip = sfx->total_length;
587 skip = rand() % skip;
588 target_chan->pos += skip;
589 target_chan->end -= skip;
594 return (target_chan - channels);
597 void S_StopChannel (unsigned int channel_ind)
601 if (channel_ind >= total_channels)
604 ch = &channels[channel_ind];
607 sfx_t *sfx = ch->sfx;
609 if (sfx->fetcher != NULL)
611 snd_fetcher_end_t fetcher_end = sfx->fetcher->end;
612 if (fetcher_end != NULL)
616 // Remove the lock it holds
625 qboolean S_SetChannelFlag (unsigned int ch_ind, unsigned int flag, qboolean value)
627 if (ch_ind >= total_channels)
630 if (flag != CHANNELFLAG_FORCELOOP &&
631 flag != CHANNELFLAG_PAUSED &&
632 flag != CHANNELFLAG_FULLVOLUME)
636 channels[ch_ind].flags |= flag;
638 channels[ch_ind].flags &= ~flag;
643 void S_StopSound(int entnum, int entchannel)
647 for (i = 0; i < MAX_DYNAMIC_CHANNELS; i++)
648 if (channels[i].entnum == entnum && channels[i].entchannel == entchannel)
655 void S_StopAllSounds (void)
663 for (i = 0; i < total_channels; i++)
666 total_channels = MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS; // no statics
667 memset(channels, 0, MAX_CHANNELS * sizeof(channel_t));
669 // Clear sound buffer
670 pbuf = S_LockBuffer();
673 int setsize = shm->samples * shm->format.width;
674 int clear = (shm->format.width == 1) ? 0x80 : 0;
676 // FIXME: is it (still) true? (check with OSS and ALSA)
677 // on i586/i686 optimized versions of glibc, glibc *wrongly* IMO,
678 // reads the memory area before writing to it causing a seg fault
679 // since the memory is PROT_WRITE only and not PROT_READ|PROT_WRITE
680 //memset(shm->buffer, clear, shm->samples * shm->format.width);
688 void S_PauseGameSounds (qboolean toggle)
692 for (i = 0; i < total_channels; i++)
697 if (ch->sfx != NULL && ! (ch->flags & CHANNELFLAG_LOCALSOUND))
698 S_SetChannelFlag (i, CHANNELFLAG_PAUSED, toggle);
702 void S_SetChannelVolume (unsigned int ch_ind, float fvol)
704 channels[ch_ind].master_vol = fvol * 255;
713 void S_StaticSound (sfx_t *sfx, vec3_t origin, float fvol, float attenuation)
715 channel_t *target_chan;
717 if (!sound_started || !sfx || nosound.integer)
721 Con_DPrintf ("S_StaticSound: \"%s\" hasn't been precached\n", sfx->name);
725 if (total_channels == MAX_CHANNELS)
727 Con_Print("S_StaticSound: total_channels == MAX_CHANNELS\n");
731 target_chan = &channels[total_channels++];
732 S_PlaySfxOnChannel (sfx, target_chan, CHANNELFLAG_FORCELOOP, origin, fvol, attenuation, true);
734 SND_Spatialize (target_chan, true);
738 //=============================================================================
742 S_UpdateAmbientSounds
746 void S_UpdateAmbientSounds (void)
751 qbyte ambientlevels[NUM_AMBIENTS];
753 if (ambient_level.value <= 0 || !cl.worldmodel || !cl.worldmodel->brush.AmbientSoundLevelsForPoint)
756 cl.worldmodel->brush.AmbientSoundLevelsForPoint(cl.worldmodel, listener_origin, ambientlevels, sizeof(ambientlevels));
758 // Calc ambient sound levels
759 for (ambient_channel = 0 ; ambient_channel< NUM_AMBIENTS ; ambient_channel++)
761 chan = &channels[ambient_channel];
762 if (chan->sfx == NULL || chan->sfx->fetcher == NULL)
765 vol = ambient_level.value * ambientlevels[ambient_channel];
769 // Don't adjust volume too fast
770 if (chan->master_vol < vol)
772 chan->master_vol += host_realframetime * ambient_fade.value;
773 if (chan->master_vol > vol)
774 chan->master_vol = vol;
776 else if (chan->master_vol > vol)
778 chan->master_vol -= host_realframetime * ambient_fade.value;
779 if (chan->master_vol < vol)
780 chan->master_vol = vol;
783 chan->leftvol = chan->rightvol = chan->master_vol;
792 Called once each time through the main loop
795 void S_Update(const matrix4x4_t *listenermatrix)
797 unsigned int i, j, total;
798 channel_t *ch, *combine;
800 if (!snd_initialized.integer || (snd_blocked > 0))
803 Matrix4x4_Invert_Simple(&listener_matrix, listenermatrix);
804 Matrix4x4_OriginFromMatrix(listenermatrix, listener_origin);
806 // update general area ambient sound sources
807 S_UpdateAmbientSounds ();
811 // update spatialization for static and dynamic sounds
812 ch = channels+NUM_AMBIENTS;
813 for (i=NUM_AMBIENTS ; i<total_channels; i++, ch++)
817 SND_Spatialize(ch, i >= MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS); // respatialize channel
818 if (!ch->leftvol && !ch->rightvol)
821 // try to combine static sounds with a previous channel of the same
822 // sound effect so we don't mix five torches every frame
823 if (i > MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS)
825 // see if it can just use the last one
826 if (combine && combine->sfx == ch->sfx)
828 combine->leftvol += ch->leftvol;
829 combine->rightvol += ch->rightvol;
830 ch->leftvol = ch->rightvol = 0;
834 combine = channels+MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS;
835 for (j=MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS ; j<i; j++, combine++)
836 if (combine->sfx == ch->sfx)
839 if (j == total_channels)
845 combine->leftvol += ch->leftvol;
846 combine->rightvol += ch->rightvol;
847 ch->leftvol = ch->rightvol = 0;
854 sound_spatialized = true;
857 if (snd_show.integer)
861 for (i=0 ; i<total_channels; i++, ch++)
862 if (ch->sfx && (ch->leftvol || ch->rightvol) )
865 Con_Printf("----(%u)----\n", total);
871 void GetSoundtime(void)
875 static int oldsamplepos;
878 fullsamples = shm->samples / shm->format.channels;
880 // it is possible to miscount buffers if it has wrapped twice between
881 // calls to S_Update. Oh well.
882 samplepos = SNDDMA_GetDMAPos();
884 if (samplepos < oldsamplepos)
886 buffers++; // buffer wrapped
888 if (paintedtime > 0x40000000)
889 { // time to chop things off to avoid 32 bit limits
891 paintedtime = fullsamples;
895 oldsamplepos = samplepos;
897 soundtime = buffers * fullsamples + samplepos / shm->format.channels;
900 void S_ExtraUpdate (void)
902 if (snd_noextraupdate.integer || !sound_spatialized)
913 if (!sound_started || (snd_blocked > 0))
919 // check to make sure that we haven't overshot
920 if (paintedtime < soundtime)
921 paintedtime = soundtime;
923 // mix ahead of current position
924 endtime = soundtime + _snd_mixahead.value * shm->format.speed;
925 samps = shm->samples >> (shm->format.channels - 1);
926 if (endtime > (unsigned int)(soundtime + samps))
927 endtime = soundtime + samps;
929 S_PaintChannels (endtime);
935 ===============================================================================
939 ===============================================================================
942 static void S_Play_Common(float fvol, float attenuation)
952 strlcpy(name, Cmd_Argv(i), sizeof(name));
953 if (!strrchr(name, '.'))
954 strlcat(name, ".wav", sizeof(name));
957 // If we need to get the volume from the command line
960 fvol = atof(Cmd_Argv(i));
964 sfx = S_PrecacheSound (name, true, false);
967 ch_ind = S_StartSound(-1, 0, sfx, listener_origin, fvol, attenuation);
969 // Free the sfx if the file didn't exist
973 channels[ch_ind].flags |= CHANNELFLAG_LOCALSOUND;
980 S_Play_Common (1.0f, 1.0f);
985 S_Play_Common (1.0f, 0.0f);
990 S_Play_Common (-1.0f, 0.0f);
993 void S_SoundList(void)
1000 for (sfx = known_sfx, i = 0; sfx != NULL; sfx = sfx->next, i++)
1002 if (sfx->fetcher != NULL)
1004 size = sfx->mempool->totalsize;
1006 Con_Printf ("%c%c%c%c(%2db, %6s) %8i : %s\n",
1007 (sfx->loopstart >= 0) ? 'L' : ' ',
1008 (sfx->flags & SFXFLAG_STREAMED) ? 'S' : ' ',
1009 (sfx->locks > 0) ? 'K' : ' ',
1010 (sfx->flags & SFXFLAG_PERMANENTLOCK) ? 'P' : ' ',
1011 sfx->format.width * 8,
1012 (sfx->format.channels == 1) ? "mono" : "stereo",
1017 Con_Printf (" ( unknown ) unloaded : %s\n", sfx->name);
1019 Con_Printf("Total resident: %i\n", total);
1023 qboolean S_LocalSound (const char *sound)
1028 if (!snd_initialized.integer || nosound.integer)
1031 sfx = S_PrecacheSound (sound, true, false);
1034 Con_Printf("S_LocalSound: can't precache %s\n", sound);
1038 // Local sounds must not be freed
1039 sfx->flags |= SFXFLAG_PERMANENTLOCK;
1041 ch_ind = S_StartSound (cl.viewentity, 0, sfx, vec3_origin, 1, 1);
1045 channels[ch_ind].flags |= CHANNELFLAG_LOCALSOUND;