mirror of
https://github.com/nzp-team/fteqw.git
synced 2024-11-23 20:32:43 +00:00
9ae7e2621d
Lots of changes. CSQC should be functional, but is still tied to debug builds. It WILL have some bugs still, hopefully I'll be able to clean them up better if people test it a bit. Precompiled headers are working properly now. Compile times are now much quicker in msvc. This takes most of the files this commit. Restructured how client commands work. They're buffered outside the network message, some multithreaded code is in. It needs a bit of testing before it's active. git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@885 fc73d0e0-1445-4013-8a0c-d673dee63da5
1694 lines
35 KiB
C
1694 lines
35 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// snd_dma.c -- main control for any streaming sound output devices
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#include "quakedef.h"
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#ifndef __CYGWIN__
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#ifdef _WIN32
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#include "winquake.h"
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#endif
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void S_Play(void);
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void S_PlayVol(void);
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void S_SoundList(void);
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void S_Update_(soundcardinfo_t *sc);
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void S_StopAllSounds(qboolean clear);
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void S_StopAllSoundsC(void);
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void S_UpdateCard(soundcardinfo_t *sc);
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// =======================================================================
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// Internal sound data & structures
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// =======================================================================
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int snd_blocked = 0;
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static qboolean snd_ambient = 1;
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qboolean snd_initialized = false;
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int snd_speed;
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qboolean snd_multipledevices = false;
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vec3_t listener_origin;
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vec3_t listener_forward;
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vec3_t listener_right;
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vec3_t listener_up;
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vec_t sound_nominal_clip_dist=1000.0;
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int soundtime; // sample PAIRS
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#define MAX_SFX 512
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sfx_t *known_sfx; // hunk allocated [MAX_SFX]
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int num_sfx;
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sfx_t *ambient_sfx[NUM_AMBIENTS];
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//int desired_speed = 44100;
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int desired_bits = 16;
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int sound_started=0;
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cvar_t bgmvolume = {"musicvolume", "0", NULL, CVAR_ARCHIVE};
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cvar_t volume = {"volume", "0.7", NULL, CVAR_ARCHIVE};
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cvar_t nosound = {"nosound", "0"};
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cvar_t precache = {"precache", "1"};
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cvar_t loadas8bit = {"loadas8bit", "0"};
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cvar_t bgmbuffer = {"bgmbuffer", "4096"};
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cvar_t ambient_level = {"ambient_level", "0.3"};
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cvar_t ambient_fade = {"ambient_fade", "100"};
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cvar_t snd_noextraupdate = {"snd_noextraupdate", "0"};
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cvar_t snd_show = {"snd_show", "0"};
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cvar_t snd_khz = {"snd_khz", "11"};
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cvar_t snd_inactive = {"snd_inactive", "0"}; //set if you want sound even when tabbed out.
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cvar_t _snd_mixahead = {"_snd_mixahead", "0.2", NULL, CVAR_ARCHIVE};
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cvar_t snd_leftisright = {"snd_leftisright", "0", NULL, CVAR_ARCHIVE};
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cvar_t snd_eax = {"snd_eax", "0"};
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cvar_t snd_speakers = {"snd_numspeakers", "2"};
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cvar_t snd_capture = {"snd_capture", "0"};
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// ====================================================================
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// User-setable variables
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// ====================================================================
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//
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// Fake dma is a synchronous faking of the DMA progress used for
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// isolating performance in the renderer. The fakedma_updates is
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// number of times S_Update() is called per second.
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//
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qboolean fakedma = false;
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int fakedma_updates = 15;
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void S_AmbientOff (void)
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{
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snd_ambient = false;
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}
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void S_AmbientOn (void)
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{
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snd_ambient = true;
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}
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void S_SoundInfo_f(void)
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{
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soundcardinfo_t *sc;
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if (!sound_started)
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{
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Con_Printf ("sound system not started\n");
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return;
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}
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if (!sndcardinfo)
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{
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Con_Print("No sound cards\n");
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return;
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}
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for (sc = sndcardinfo; sc; sc = sc->next)
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{
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Con_Printf("%5d stereo\n", sc->sn.numchannels - 1);
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Con_Printf("%5d samples\n", sc->sn.samples);
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Con_Printf("%5d samplepos\n", sc->sn.samplepos);
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Con_Printf("%5d samplebits\n", sc->sn.samplebits);
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Con_Printf("%5d submission_chunk\n", sc->sn.submission_chunk);
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Con_Printf("%5d speed\n", sc->sn.speed);
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Con_Printf("0x%x dma buffer\n", sc->sn.buffer);
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Con_Printf("%5d total_channels\n", sc->total_chans);
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}
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}
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/*
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================
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S_Startup
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================
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*/
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void S_Startup (void)
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{
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int warningmessage=0;
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int rc;
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soundcardinfo_t *sc;
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if (!snd_initialized)
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return;
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if (sound_started)
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S_Shutdown();
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snd_blocked = 0;
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if (!fakedma)
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{
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#if defined(_WIN32) && !defined(NODIRECTX)
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extern int aimedforguid; //restart directsound guid aims.
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aimedforguid=0;
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#endif
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for(;;)
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{
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sc = Z_Malloc(sizeof(soundcardinfo_t));
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if (snd_khz.value >= 45)
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sc->sn.speed = 48000;
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else if (snd_khz.value >= 30) //set by a slider
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sc->sn.speed = 44100;
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else if (snd_khz.value >= 20)
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sc->sn.speed = 22050;
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else
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sc->sn.speed = 11025;
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rc = SNDDMA_Init(sc);
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if (!rc) //error stop
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{
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#ifndef _WIN32
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Con_Printf("S_Startup: SNDDMA_Init failed.\n");
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#endif
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Z_Free(sc);
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break;
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}
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if (rc == 2) //silently stop (no more cards)
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{
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Z_Free(sc);
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break;
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}
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if (sc->sn.numchannels < 3)
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{
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sc->pitch[0] = 0;
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sc->pitch[1] = 0;
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sc->dist[0] = 1;
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sc->dist[1] = 1;
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sc->yaw[0] = 270;
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sc->yaw[1] = 90;
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}
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else if (sc->sn.numchannels < 5)
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{
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sc->pitch[0] = 0;
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sc->pitch[1] = 0;
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sc->pitch[2] = 0;
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sc->pitch[3] = 0;
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sc->dist[0] = 1;
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sc->dist[1] = 1;
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sc->dist[2] = 1;
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sc->dist[3] = 1;
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sc->yaw[0] = 315;
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sc->yaw[1] = 45;
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sc->yaw[2] = 225;
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sc->yaw[3] = 135;
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}
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else
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{
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sc->pitch[0] = 0;
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sc->pitch[1] = 0;
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sc->pitch[2] = 0;
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sc->pitch[3] = 0;
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sc->pitch[4] = 0;
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sc->pitch[5] = 0;
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sc->dist[0] = 1;
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sc->dist[1] = 1;
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sc->dist[2] = 1;
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sc->dist[3] = 1;
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sc->dist[4] = 1;
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sc->dist[5] = 1;
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sc->yaw[0] = 315;
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sc->yaw[1] = 45;
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sc->yaw[2] = 0;
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sc->yaw[3] = 0;
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sc->yaw[4] = 225;
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sc->yaw[5] = 135;
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}
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if (sndcardinfo)
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{ //if the sample speeds of multiple soundcards do not match, it'll fail.
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if (sc->sn.speed != sc->sn.speed)
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{
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if (!warningmessage)
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{
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Con_Printf("S_Startup: Ignoring soundcard %s due to mismatched sample speeds.\nTry running Quake with -singlesound to use just the primary soundcard\n", sc->name);
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S_ShutdownCard(sc);
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warningmessage = true;
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}
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Z_Free(sc);
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continue;
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}
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}
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else
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snd_speed = sc->sn.speed;
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sc->next = sndcardinfo;
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sndcardinfo = sc;
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}
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}
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sound_started = 1;
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}
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void S_Restart_f (void)
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{
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extern qboolean snd_firsttime;
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Cache_Flush();//forget the old sounds.
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if (COM_CheckParm("-nosound"))
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return;
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S_StopAllSounds (true);
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S_Shutdown();
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sound_started = 0;
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snd_firsttime = true;
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S_Startup();
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ambient_sfx[AMBIENT_WATER] = S_PrecacheSound ("ambience/water1.wav");
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ambient_sfx[AMBIENT_SKY] = S_PrecacheSound ("ambience/wind2.wav");
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S_StopAllSounds (true);
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}
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void S_Control_f (void)
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{
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int i;
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char *command;
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if (Cmd_Argc() < 2)
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return;
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command = Cmd_Argv (1);
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if (!Q_strcasecmp(command, "off"))
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{
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Cache_Flush();//forget the old sounds.
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S_StopAllSounds (true);
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S_Shutdown();
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sound_started = 0;
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}
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else if (!Q_strcasecmp(command, "multi") || !Q_strcasecmp(command, "multiple"))
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{
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if (!Q_strcasecmp(Cmd_Argv (2), "off"))
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{
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if (snd_multipledevices)
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{
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snd_multipledevices = false;
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S_Restart_f();
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}
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}
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else if (!snd_multipledevices)
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{
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snd_multipledevices = true;
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S_Restart_f();
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}
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return;
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}
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if (!Q_strcasecmp(command, "single"))
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{
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snd_multipledevices = false;
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S_Restart_f();
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return;
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}
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if (!Q_strcasecmp(command, "rate") || !Q_strcasecmp(command, "speed"))
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{
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Cvar_SetValue(&snd_khz, atof(Cmd_Argv (2))/1000);
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S_Restart_f();
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return;
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}
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//individual device control
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if (!Q_strncasecmp(command, "card", 4))
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{
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int card;
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soundcardinfo_t *sc;
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card = atoi(command+4);
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for (i = 0, sc = sndcardinfo; i < card && sc; i++,sc=sc->next)
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;
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if (!sc)
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{
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Con_Printf("Sound card %i is invalid (try resetting first)\n", card);
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return;
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}
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if (Cmd_Argc() < 3)
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{
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Con_Printf("Scard %i is %s\n", card, sc->name);
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return;
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}
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command = Cmd_Argv (2);
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if (!Q_strcasecmp(command, "mono"))
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{
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for (i = 0; i < MAXSOUNDCHANNELS; i++)
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{
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sc->yaw[i] = 0;
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sc->pitch[i] = 0; //point forwards
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sc->dist[i] = 1;
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}
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}
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else if (!Q_strcasecmp(command, "standard") || !Q_strcasecmp(command, "stereo"))
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{
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for (i = 0; i < MAXSOUNDCHANNELS; i++)
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{
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if (i & 1)
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sc->yaw[i] = 90; //right
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else
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sc->yaw[i] = 270; //left
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sc->pitch[i] = 0;
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sc->dist[i] = 1;
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}
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}
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else if (!Q_strcasecmp(command, "swap"))
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{
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for (i = 0; i < MAXSOUNDCHANNELS; i++)
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{
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if (i & 1)
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sc->yaw[i] = 270; //left
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else
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sc->yaw[i] = 90; //right
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sc->pitch[i] = 0;
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sc->dist[i] = 1;
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}
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}
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else if (!Q_strcasecmp(command, "front"))
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{
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for (i = 0; i < MAXSOUNDCHANNELS; i++)
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{
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if (i & 1)
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sc->yaw[i] = 45; //front right
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else
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sc->yaw[i] = 315; //front left
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sc->pitch[i] = 0;
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sc->dist[i] = 1;
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}
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}
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else if (!Q_strcasecmp(command, "back"))
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{
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for (i = 0; i < MAXSOUNDCHANNELS; i++)
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{
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if (i & 1)
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sc->yaw[i] = 180-45; //behind right
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else
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sc->yaw[i] = 180+45; //behind left
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sc->pitch[i] = 0;
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sc->dist[i] = 1;
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}
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}
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return;
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}
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}
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/*
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================
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S_Init
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================
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*/
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void S_Init (void)
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{
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int p;
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if (snd_initialized) //whoops
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{
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Con_Printf("Sound is already initialized\n");
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return;
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}
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Con_Printf("\nSound Initialization\n");
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if (COM_CheckParm("-nosound"))
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{
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Cvar_Register(&nosound, "Sound controls");
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Cvar_ForceSet(&nosound, "1");
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nosound.flags |= CVAR_NOSET;
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return;
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}
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// if (COM_CheckParm("-simsound"))
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// fakedma = true;
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if (COM_CheckParm ("-nomultipledevices") || COM_CheckParm ("-singlesound"))
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snd_multipledevices = false;
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if (COM_CheckParm ("-multisound"))
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snd_multipledevices = true;
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p = COM_CheckParm ("-soundspeed");
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if (p)
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{
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if (p < com_argc-1)
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Cvar_SetValue(&snd_khz, atof(com_argv[p+1])/1000);
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else
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Sys_Error ("S_Init: you must specify a speed in KB after -soundspeed");
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}
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Cmd_AddCommand("play", S_Play);
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Cmd_AddCommand("playvol", S_PlayVol);
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Cmd_AddCommand("stopsound", S_StopAllSoundsC);
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Cmd_AddCommand("soundlist", S_SoundList);
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Cmd_AddCommand("soundinfo", S_SoundInfo_f);
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Cmd_AddCommand("snd_restart", S_Restart_f);
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Cmd_AddCommand("soundcontrol", S_Control_f);
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Cvar_Register(&nosound, "Sound controls");
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Cvar_Register(&volume, "Sound controls");
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Cvar_Register(&precache, "Sound controls");
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Cvar_Register(&loadas8bit, "Sound controls");
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Cvar_Register(&bgmvolume, "Sound controls");
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Cvar_Register(&bgmbuffer, "Sound controls");
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Cvar_Register(&ambient_level, "Sound controls");
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Cvar_Register(&ambient_fade, "Sound controls");
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Cvar_Register(&snd_noextraupdate, "Sound controls");
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Cvar_Register(&snd_show, "Sound controls");
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Cvar_Register(&_snd_mixahead, "Sound controls");
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Cvar_Register(&snd_khz, "Sound controls");
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Cvar_Register(&snd_leftisright, "Sound controls");
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Cvar_Register(&snd_eax, "Sound controls");
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Cvar_Register(&snd_speakers, "Sound controls");
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Cvar_Register(&snd_capture, "Sound controls");
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Cvar_Register(&snd_inactive, "Sound controls");
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if (host_parms.memsize < 0x800000)
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{
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Cvar_Set (&loadas8bit, "1");
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Con_Printf ("loading all sounds as 8bit\n");
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}
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snd_initialized = true;
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SND_InitScaletable ();
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known_sfx = Hunk_AllocName (MAX_SFX*sizeof(sfx_t), "sfx_t");
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num_sfx = 0;
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// create a piece of DMA memory
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/* if (fakedma)
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{
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cursndcard = Z_Malloc(sizeof(*sndcardinfo));
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cursndcard->next = sndcardinfo;
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sndcardinfo = cursndcard;
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shm = (void *) Hunk_AllocName(sizeof(*shm), "shm");
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shm->splitbuffer = 0;
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shm->samplebits = 16;
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shm->speed = 22050;
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shm->numchannels = 2;
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shm->samples = 44100;
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shm->samplepos = 0;
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shm->soundalive = true;
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shm->gamealive = true;
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shm->submission_chunk = 1;
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shm->buffer = Hunk_AllocName(1<<16, "shmbuf");
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}
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*/
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if (sndcardinfo)
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Con_SafePrintf ("Sound sampling rate: %i\n", sndcardinfo->sn.speed);
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// provides a tick sound until washed clean
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|
|
// if (shm->buffer)
|
|
// shm->buffer[4] = shm->buffer[5] = 0x7f; // force a pop for debugging
|
|
|
|
ambient_sfx[AMBIENT_WATER] = S_PrecacheSound ("ambience/water1.wav");
|
|
ambient_sfx[AMBIENT_SKY] = S_PrecacheSound ("ambience/wind2.wav");
|
|
|
|
S_StopAllSounds (true);
|
|
}
|
|
|
|
|
|
// =======================================================================
|
|
// Shutdown sound engine
|
|
// =======================================================================
|
|
|
|
void S_ShutdownCard(soundcardinfo_t *sc)
|
|
{
|
|
if (!fakedma)
|
|
{
|
|
SNDDMA_Shutdown(sc);
|
|
}
|
|
}
|
|
void S_Shutdown(void)
|
|
{
|
|
soundcardinfo_t *sc, *next;
|
|
for (sc = sndcardinfo; sc; sc=next)
|
|
{
|
|
next = sc->next;
|
|
S_ShutdownCard(sc);
|
|
Z_Free(sc);
|
|
sndcardinfo = next;
|
|
}
|
|
|
|
sound_started = 0;
|
|
}
|
|
|
|
|
|
// =======================================================================
|
|
// Load a sound
|
|
// =======================================================================
|
|
|
|
/*
|
|
==================
|
|
S_FindName
|
|
|
|
==================
|
|
*/
|
|
sfx_t *S_FindName (char *name)
|
|
{
|
|
int i;
|
|
sfx_t *sfx;
|
|
|
|
if (!name)
|
|
Sys_Error ("S_FindName: NULL\n");
|
|
|
|
if (Q_strlen(name) >= MAX_OSPATH)
|
|
Sys_Error ("Sound name too long: %s", name);
|
|
|
|
// see if already loaded
|
|
for (i=0 ; i < num_sfx ; i++)
|
|
if (!Q_strcmp(known_sfx[i].name, name))
|
|
{
|
|
return &known_sfx[i];
|
|
}
|
|
|
|
if (num_sfx == MAX_SFX)
|
|
Sys_Error ("S_FindName: out of sfx_t");
|
|
|
|
sfx = &known_sfx[i];
|
|
strcpy (sfx->name, name);
|
|
|
|
num_sfx++;
|
|
|
|
return sfx;
|
|
}
|
|
|
|
|
|
/*
|
|
==================
|
|
S_TouchSound
|
|
|
|
==================
|
|
*/
|
|
void S_TouchSound (char *name)
|
|
{
|
|
sfx_t *sfx;
|
|
|
|
if (!sound_started)
|
|
return;
|
|
|
|
sfx = S_FindName (name);
|
|
Cache_Check (&sfx->cache);
|
|
}
|
|
|
|
/*
|
|
==================
|
|
S_PrecacheSound
|
|
|
|
==================
|
|
*/
|
|
sfx_t *S_PrecacheSound (char *name)
|
|
{
|
|
sfx_t *sfx;
|
|
|
|
if (nosound.value)
|
|
return NULL;
|
|
|
|
sfx = S_FindName (name);
|
|
|
|
// cache it in
|
|
if (precache.value &&sndcardinfo)
|
|
S_LoadSound (sfx);
|
|
|
|
return sfx;
|
|
}
|
|
|
|
|
|
//=============================================================================
|
|
|
|
/*
|
|
=================
|
|
SND_PickChannel
|
|
=================
|
|
*/
|
|
channel_t *SND_PickChannel(soundcardinfo_t *sc, int entnum, int entchannel)
|
|
{
|
|
int ch_idx;
|
|
int first_to_die;
|
|
int life_left;
|
|
|
|
// Check for replacement sound, or find the best one to replace
|
|
first_to_die = -1;
|
|
life_left = 0x7fffffff;
|
|
for (ch_idx=NUM_AMBIENTS + NUM_MUSICS; ch_idx < NUM_AMBIENTS + NUM_MUSICS + MAX_DYNAMIC_CHANNELS ; ch_idx++)
|
|
{
|
|
if (entchannel != 0 // channel 0 never overrides
|
|
&& sc->channel[ch_idx].entnum == entnum
|
|
&& (sc->channel[ch_idx].entchannel == entchannel || entchannel == -1) && sc->channel[ch_idx].end > snd_speed/10)
|
|
{ // allways override sound from same entity
|
|
first_to_die = ch_idx;
|
|
break;
|
|
}
|
|
|
|
// don't let monster sounds override player sounds
|
|
if (sc->channel[ch_idx].entnum == cl.playernum[0]+1 && entnum != cl.playernum[0]+1 && sc->channel[ch_idx].sfx)
|
|
continue;
|
|
|
|
if (sc->channel[ch_idx].end < life_left)
|
|
{
|
|
life_left = sc->channel[ch_idx].end;
|
|
first_to_die = ch_idx;
|
|
}
|
|
}
|
|
|
|
if (first_to_die == -1)
|
|
return NULL;
|
|
|
|
if (sc->channel[first_to_die].sfx)
|
|
sc->channel[first_to_die].sfx = NULL;
|
|
|
|
return &sc->channel[first_to_die];
|
|
}
|
|
|
|
/*
|
|
=================
|
|
SND_Spatialize
|
|
=================
|
|
*/
|
|
void SND_Spatialize(soundcardinfo_t *sc, channel_t *ch)
|
|
{
|
|
vec_t dotright, dotforward, dotup;
|
|
vec_t dist;
|
|
vec_t scale;
|
|
vec3_t source_vec;
|
|
sfx_t *snd;
|
|
int i;
|
|
|
|
// anything coming from the view entity will allways be full volume
|
|
if (ch->entnum == -1 || ch->entnum == cl.playernum[0]+1)
|
|
{
|
|
for (i = 0; i < sc->sn.numchannels; i++)
|
|
{
|
|
ch->vol[i] = ch->master_vol;
|
|
ch->delay[i] = 0;
|
|
}
|
|
return;
|
|
}
|
|
|
|
// calculate stereo seperation and distance attenuation
|
|
snd = ch->sfx;
|
|
VectorSubtract(ch->origin, listener_origin, source_vec);
|
|
|
|
dist = VectorNormalize(source_vec) * ch->dist_mult;
|
|
|
|
dotright = DotProduct(listener_right, source_vec);
|
|
dotforward = DotProduct(listener_forward, source_vec);
|
|
dotup = DotProduct(listener_up, source_vec);
|
|
|
|
for (i = 0; i < sc->sn.numchannels; i++)
|
|
{
|
|
scale = 1 + (dotright*sin(sc->yaw[i]*M_PI/180) + dotforward*cos(sc->yaw[i]*M_PI/180));// - dotup*cos(sc->pitch[0])*2;
|
|
scale = (1.0 - dist) * scale * sc->dist[i];
|
|
// if (scale < 0.5)
|
|
// scale = 0.5;
|
|
ch->vol[i] = (int) (ch->master_vol * scale);
|
|
if (ch->vol[i] < 0)
|
|
ch->vol[i] = 0;
|
|
|
|
ch->delay[i] = 0;//(scale[0]-1)*1024;
|
|
}
|
|
}
|
|
|
|
// =======================================================================
|
|
// Start a sound effect
|
|
// =======================================================================
|
|
|
|
void S_StartSoundCard(soundcardinfo_t *sc, int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation, int startpos)
|
|
{
|
|
channel_t *target_chan, *check;
|
|
sfxcache_t *scache;
|
|
int vol;
|
|
int ch_idx;
|
|
int skip;
|
|
|
|
if (!sound_started)
|
|
return;
|
|
|
|
if (!sfx)
|
|
return;
|
|
|
|
if (nosound.value)
|
|
return;
|
|
|
|
vol = fvol*255;
|
|
|
|
// pick a channel to play on
|
|
target_chan = SND_PickChannel(sc, entnum, entchannel);
|
|
if (!target_chan)
|
|
return;
|
|
|
|
// spatialize
|
|
memset (target_chan, 0, sizeof(*target_chan));
|
|
if (!origin)
|
|
{
|
|
VectorCopy(listener_origin, target_chan->origin);
|
|
}
|
|
else
|
|
{
|
|
VectorCopy(origin, target_chan->origin);
|
|
}
|
|
target_chan->dist_mult = attenuation / sound_nominal_clip_dist;
|
|
target_chan->master_vol = vol;
|
|
target_chan->entnum = entnum;
|
|
target_chan->entchannel = entchannel;
|
|
SND_Spatialize(sc, target_chan);
|
|
|
|
if (!target_chan->vol[0] && !target_chan->vol[1] && !target_chan->vol[2] && !target_chan->vol[3] && !target_chan->vol[4] && !target_chan->vol[5])
|
|
return; // not audible at all
|
|
|
|
// new channel
|
|
scache = S_LoadSound (sfx);
|
|
if (!scache)
|
|
{
|
|
target_chan->sfx = NULL;
|
|
return; // couldn't load the sound's data
|
|
}
|
|
target_chan->sfx = sfx;
|
|
target_chan->pos = startpos;
|
|
target_chan->end = sc->paintedtime + scache->length;
|
|
target_chan->looping = false;
|
|
|
|
// if an identical sound has also been started this frame, offset the pos
|
|
// a bit to keep it from just making the first one louder
|
|
check = &sc->channel[NUM_AMBIENTS];
|
|
for (ch_idx=NUM_AMBIENTS + NUM_MUSICS; ch_idx < NUM_AMBIENTS + NUM_MUSICS + MAX_DYNAMIC_CHANNELS; ch_idx++, check++)
|
|
{
|
|
if (check == target_chan)
|
|
continue;
|
|
if (check->sfx == sfx && !check->pos)
|
|
{
|
|
skip = rand () % (int)(0.1*sc->sn.speed);
|
|
if (skip >= target_chan->end)
|
|
skip = target_chan->end - 1;
|
|
target_chan->pos += skip;
|
|
target_chan->end -= skip;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void S_StartSound(int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation)
|
|
{
|
|
soundcardinfo_t *sc;
|
|
|
|
if (!sfx || !*sfx->name) //no named sounds would need specific starting.
|
|
return;
|
|
|
|
for (sc = sndcardinfo; sc; sc = sc->next)
|
|
S_StartSoundCard(sc, entnum, entchannel, sfx, origin, fvol, attenuation, 0);
|
|
}
|
|
|
|
qboolean S_IsPlayingSomewhere(sfx_t *s)
|
|
{
|
|
soundcardinfo_t *si;
|
|
int i;
|
|
for (si = sndcardinfo; si; si=si->next)
|
|
{
|
|
for (i = 0; i < MAX_CHANNELS; i++)
|
|
if (si->channel[i].sfx == s)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void S_StopSoundCard(soundcardinfo_t *sc, int entnum, int entchannel)
|
|
{
|
|
int i;
|
|
|
|
for (i=0 ; i<sc->total_chans ; i++)
|
|
{
|
|
if (sc->channel[i].entnum == entnum
|
|
&& sc->channel[i].entchannel == entchannel)
|
|
{
|
|
sc->channel[i].end = 0;
|
|
sc->channel[i].sfx = NULL;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void S_StopSound(int entnum, int entchannel)
|
|
{
|
|
soundcardinfo_t *sc;
|
|
for (sc = sndcardinfo; sc; sc = sc->next)
|
|
S_StopSoundCard(sc, entnum, entchannel);
|
|
}
|
|
|
|
void S_StopAllSounds(qboolean clear)
|
|
{
|
|
int i;
|
|
sfx_t *s;
|
|
|
|
soundcardinfo_t *sc;
|
|
|
|
for (sc = sndcardinfo; sc; sc = sc->next)
|
|
{
|
|
if (!sound_started)
|
|
return;
|
|
|
|
|
|
sc->total_chans = MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS + NUM_MUSICS; // no statics
|
|
|
|
for (i=0 ; i<MAX_CHANNELS ; i++)
|
|
if (sc->channel[i].sfx)
|
|
{
|
|
s = sc->channel[i].sfx;
|
|
sc->channel[i].sfx = NULL;
|
|
if (s->decoder)
|
|
if (!S_IsPlayingSomewhere(s)) //if we aint playing it elsewhere, free it compleatly.
|
|
{
|
|
s->decoder->abort(s);
|
|
}
|
|
}
|
|
|
|
Q_memset(sc->channel, 0, MAX_CHANNELS * sizeof(channel_t));
|
|
|
|
if (clear)
|
|
S_ClearBuffer (sc);
|
|
}
|
|
}
|
|
|
|
void S_StopAllSoundsC (void)
|
|
{
|
|
S_StopAllSounds (true);
|
|
}
|
|
|
|
void S_ClearBuffer (soundcardinfo_t *sc)
|
|
{
|
|
int clear;
|
|
#if defined(_WIN32) && !defined(NODIRECTX)
|
|
if (!sound_started || (!sc->sn.buffer && !sc->pDSBuf))
|
|
#else
|
|
if (!sound_started || !sc->sn.buffer)
|
|
#endif
|
|
return;
|
|
|
|
if (sc->sn.samplebits == 8)
|
|
clear = 0x80;
|
|
else
|
|
clear = 0;
|
|
|
|
#if defined(_WIN32) && !defined(NODIRECTX)
|
|
if (sc->pDSBuf)
|
|
{
|
|
DWORD dwSize;
|
|
DWORD *pData;
|
|
int reps;
|
|
HRESULT hresult;
|
|
|
|
reps = 0;
|
|
|
|
while ((hresult = sc->pDSBuf->lpVtbl->Lock(sc->pDSBuf, 0, sc->gSndBufSize, (void**)&pData, &dwSize, NULL, NULL, 0)) != DS_OK)
|
|
{
|
|
if (hresult != DSERR_BUFFERLOST)
|
|
{
|
|
Con_Printf ("S_ClearBuffer: DS::Lock Sound Buffer Failed\n");
|
|
S_ShutdownCard (sc);
|
|
return;
|
|
}
|
|
|
|
if (++reps > 10000)
|
|
{
|
|
Con_Printf ("S_ClearBuffer: DS: couldn't restore buffer\n");
|
|
S_ShutdownCard (sc);
|
|
return;
|
|
}
|
|
}
|
|
|
|
Q_memset(pData, clear, sc->sn.samples * sc->sn.samplebits/8);
|
|
|
|
sc->pDSBuf->lpVtbl->Unlock(sc->pDSBuf, pData, dwSize, NULL, 0);
|
|
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
Q_memset(sc->sn.buffer, clear, sc->sn.samples * sc->sn.samplebits/8);
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_StaticSound
|
|
=================
|
|
*/
|
|
void S_StaticSound (sfx_t *sfx, vec3_t origin, float vol, float attenuation)
|
|
{
|
|
channel_t *ss;
|
|
sfxcache_t *scache;
|
|
soundcardinfo_t *scard;
|
|
|
|
if (!sfx)
|
|
return;
|
|
|
|
for (scard = sndcardinfo; scard; scard = scard->next)
|
|
{
|
|
if (scard->total_chans == MAX_CHANNELS)
|
|
{
|
|
Con_Printf ("total_channels == MAX_CHANNELS\n");
|
|
continue;
|
|
}
|
|
|
|
ss = &scard->channel[scard->total_chans];
|
|
scard->total_chans++;
|
|
|
|
scache = S_LoadSound (sfx);
|
|
if (!scache)
|
|
return;
|
|
|
|
if (scache->loopstart == -1)
|
|
{
|
|
Con_Printf ("Ambient sound %s not looped\n", sfx->name);
|
|
return;
|
|
}
|
|
|
|
ss->sfx = sfx;
|
|
VectorCopy (origin, ss->origin);
|
|
ss->master_vol = vol;
|
|
ss->dist_mult = (attenuation/64) / sound_nominal_clip_dist;
|
|
ss->end = scard->paintedtime + scache->length;
|
|
ss->looping = true;
|
|
|
|
SND_Spatialize (scard, ss);
|
|
}
|
|
}
|
|
|
|
|
|
//=============================================================================
|
|
|
|
/*
|
|
===================
|
|
S_UpdateAmbientSounds
|
|
===================
|
|
*/
|
|
char *Media_NextTrack(void);
|
|
void S_UpdateAmbientSounds (soundcardinfo_t *sc)
|
|
{
|
|
mleaf_t *l;
|
|
float vol;
|
|
int ambient_channel;
|
|
channel_t *chan;
|
|
int i;
|
|
|
|
if (!snd_ambient)
|
|
return;
|
|
|
|
for (i = NUM_AMBIENTS; i < NUM_AMBIENTS + NUM_MUSICS; i++)
|
|
{
|
|
chan = &sc->channel[i];
|
|
if (!chan->sfx)
|
|
{
|
|
char *nexttrack = Media_NextTrack();
|
|
sfxcache_t *scache;
|
|
sfx_t *newmusic;
|
|
|
|
if (nexttrack && *nexttrack)
|
|
{
|
|
newmusic = S_PrecacheSound(nexttrack);
|
|
|
|
|
|
scache = S_LoadSound (newmusic);
|
|
if (scache)
|
|
{
|
|
chan->sfx = newmusic;
|
|
chan->pos = 0;
|
|
chan->end = sc->paintedtime + scache->length+1000;
|
|
chan->vol[0] = chan->vol[1] = chan->vol[2] = chan->vol[3] = chan->vol[4] = chan->vol[5] = chan->master_vol = 100;
|
|
}
|
|
}
|
|
}
|
|
if (chan->sfx)
|
|
chan->vol[0] = chan->vol[1] = chan->vol[2] = chan->vol[3] = chan->vol[4] = chan->vol[5] = chan->master_vol = (255/volume.value)*bgmvolume.value;
|
|
}
|
|
|
|
|
|
// calc ambient sound levels
|
|
if (!cl.worldmodel)
|
|
return;
|
|
|
|
l = Mod_PointInLeaf (listener_origin, cl.worldmodel);
|
|
if (!l || !ambient_level.value)
|
|
{
|
|
for (ambient_channel = 0 ; ambient_channel< NUM_AMBIENTS ; ambient_channel++)
|
|
sc->channel[ambient_channel].sfx = NULL;
|
|
return;
|
|
}
|
|
|
|
for (ambient_channel = 0 ; ambient_channel< NUM_AMBIENTS ; ambient_channel++)
|
|
{
|
|
chan = &sc->channel[ambient_channel];
|
|
chan->sfx = ambient_sfx[ambient_channel];
|
|
|
|
VectorCopy(listener_origin, chan->origin);
|
|
|
|
vol = ambient_level.value * l->ambient_sound_level[ambient_channel];
|
|
if (vol < 8)
|
|
vol = 0;
|
|
|
|
// don't adjust volume too fast
|
|
if (chan->master_vol < vol)
|
|
{
|
|
chan->master_vol += host_frametime * ambient_fade.value;
|
|
if (chan->master_vol > vol)
|
|
chan->master_vol = vol;
|
|
}
|
|
else if (chan->master_vol > vol)
|
|
{
|
|
chan->master_vol -= host_frametime * ambient_fade.value;
|
|
if (chan->master_vol < vol)
|
|
chan->master_vol = vol;
|
|
}
|
|
|
|
chan->vol[0] = chan->vol[1] = chan->vol[2] = chan->vol[3] = chan->vol[4] = chan->vol[5] = chan->master_vol;
|
|
}
|
|
}
|
|
|
|
/*
|
|
============
|
|
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)
|
|
{
|
|
soundcardinfo_t *sc;
|
|
|
|
VectorCopy(origin, listener_origin);
|
|
VectorCopy(forward, listener_forward);
|
|
VectorCopy(right, listener_right);
|
|
VectorCopy(up, listener_up);
|
|
|
|
S_UpdateCapture();
|
|
|
|
for (sc = sndcardinfo; sc; sc = sc->next)
|
|
S_UpdateCard(sc);
|
|
|
|
}
|
|
void S_UpdateCard(soundcardinfo_t *sc)
|
|
{
|
|
int i, j;
|
|
int total;
|
|
channel_t *ch;
|
|
channel_t *combine;
|
|
|
|
if (!sound_started)
|
|
return;
|
|
if ((snd_blocked > 0))
|
|
{
|
|
if (!sc->inactive_sound)
|
|
return;
|
|
}
|
|
|
|
// update general area ambient sound sources
|
|
S_UpdateAmbientSounds (sc);
|
|
|
|
combine = NULL;
|
|
|
|
// update spatialization for static and dynamic sounds
|
|
ch = sc->channel+NUM_AMBIENTS+NUM_MUSICS;
|
|
for (i=NUM_AMBIENTS+ NUM_MUSICS ; i<sc->total_chans; i++, ch++)
|
|
{
|
|
if (!ch->sfx)
|
|
continue;
|
|
|
|
SND_Spatialize(sc, ch); // respatialize channel
|
|
if (!ch->vol[0] && !ch->vol[1] && !ch->vol[2] && !ch->vol[3] && !ch->vol[4] && !ch->vol[5])
|
|
continue;
|
|
|
|
// try to combine static sounds with a previous channel of the same
|
|
// sound effect so we don't mix five torches every frame
|
|
|
|
if (i > MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS + NUM_MUSICS)
|
|
{
|
|
// see if it can just use the last one
|
|
if (combine && combine->sfx == ch->sfx)
|
|
{
|
|
combine->vol[0] += ch->vol[0];
|
|
combine->vol[1] += ch->vol[1];
|
|
combine->vol[2] += ch->vol[2];
|
|
combine->vol[3] += ch->vol[3];
|
|
combine->vol[4] += ch->vol[4];
|
|
combine->vol[5] += ch->vol[5];
|
|
ch->vol[0] = ch->vol[1] = ch->vol[2] = ch->vol[3] = ch->vol[4] = ch->vol[5] = 0;
|
|
continue;
|
|
}
|
|
// search for one
|
|
combine = sc->channel+MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS + NUM_MUSICS;
|
|
for (j=MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS+ NUM_MUSICS ; j<i; j++, combine++)
|
|
if (combine->sfx == ch->sfx)
|
|
break;
|
|
|
|
if (j == sc->total_chans)
|
|
{
|
|
combine = NULL;
|
|
}
|
|
else
|
|
{
|
|
if (combine != ch)
|
|
{
|
|
combine->vol[0] += ch->vol[0];
|
|
combine->vol[1] += ch->vol[1];
|
|
combine->vol[2] += ch->vol[2];
|
|
combine->vol[3] += ch->vol[3];
|
|
combine->vol[4] += ch->vol[4];
|
|
combine->vol[5] += ch->vol[5];
|
|
ch->vol[0] = ch->vol[1] = ch->vol[2] = ch->vol[3] = ch->vol[4] = ch->vol[5] = 0;
|
|
}
|
|
continue;
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
|
|
//
|
|
// debugging output
|
|
//
|
|
if (snd_show.value)
|
|
{
|
|
total = 0;
|
|
ch = sc->channel;
|
|
for (i=0 ; i<sc->total_chans; i++, ch++)
|
|
if (ch->sfx && (ch->vol[0] || ch->vol[1]) )
|
|
{
|
|
// Con_Printf ("%i, %i %i %i %i %i %i %s\n", i, ch->vol[0], ch->vol[1], ch->vol[2], ch->vol[3], ch->vol[4], ch->vol[5], ch->sfx->name);
|
|
total++;
|
|
}
|
|
|
|
Con_Printf ("----(%i)----\n", total);
|
|
}
|
|
|
|
// mix some sound
|
|
S_Update_(sc);
|
|
}
|
|
|
|
void GetSoundtime(soundcardinfo_t *sc)
|
|
{
|
|
int samplepos;
|
|
int fullsamples;
|
|
|
|
fullsamples = sc->sn.samples / sc->sn.numchannels;
|
|
|
|
// it is possible to miscount buffers if it has wrapped twice between
|
|
// calls to S_Update. Oh well.
|
|
samplepos = SNDDMA_GetDMAPos(sc);
|
|
|
|
if (samplepos < sc->oldsamplepos)
|
|
{
|
|
sc->buffers++; // buffer wrapped
|
|
|
|
if (sc->paintedtime > 0x40000000)
|
|
{ // time to chop things off to avoid 32 bit limits
|
|
sc->buffers = 0;
|
|
sc->paintedtime = fullsamples;
|
|
S_StopAllSounds (true);
|
|
}
|
|
|
|
sc->rawstart =0;
|
|
}
|
|
else
|
|
sc->rawstart += samplepos - sc->oldsamplepos;
|
|
sc->oldsamplepos = samplepos;
|
|
|
|
soundtime = sc->buffers*fullsamples + samplepos/sc->sn.numchannels;
|
|
}
|
|
|
|
void S_ExtraUpdate (void)
|
|
{
|
|
soundcardinfo_t *sc;
|
|
|
|
if (!sound_started)
|
|
return;
|
|
|
|
#ifdef _WIN32
|
|
IN_Accumulate ();
|
|
#endif
|
|
|
|
if (snd_noextraupdate.value)
|
|
return; // don't pollute timings
|
|
|
|
S_UpdateCapture();
|
|
|
|
for (sc = sndcardinfo; sc; sc = sc->next)
|
|
S_Update_(sc);
|
|
}
|
|
|
|
|
|
|
|
void S_Update_(soundcardinfo_t *sc)
|
|
{
|
|
unsigned endtime;
|
|
int samps;
|
|
|
|
|
|
if (sc->selfpainting)
|
|
return;
|
|
|
|
if ((snd_blocked > 0))
|
|
{
|
|
if (!sc->inactive_sound)
|
|
return;
|
|
}
|
|
|
|
// Updates DMA time
|
|
GetSoundtime(sc);
|
|
|
|
// check to make sure that we haven't overshot
|
|
if (sc->paintedtime < soundtime)
|
|
{
|
|
//Con_Printf ("S_Update_ : overflow\n");
|
|
sc->paintedtime = soundtime;
|
|
}
|
|
|
|
// mix ahead of current position
|
|
endtime = soundtime + _snd_mixahead.value * sc->sn.speed;
|
|
// samps = shm->samples >> (shm->numchannels-1);
|
|
samps = sc->sn.samples / sc->sn.numchannels;
|
|
if (endtime - soundtime > samps)
|
|
endtime = soundtime + samps;
|
|
|
|
#if defined(_WIN32) && !defined(NODIRECTX)
|
|
// if the buffer was lost or stopped, restore it and/or restart it
|
|
{
|
|
DWORD dwStatus;
|
|
|
|
if (sc->pDSBuf)
|
|
{
|
|
if (sc->pDSBuf->lpVtbl->GetStatus (sc->pDSBuf, &dwStatus) != DD_OK)
|
|
Con_Printf ("Couldn't get sound buffer status\n");
|
|
|
|
if (dwStatus & DSBSTATUS_BUFFERLOST)
|
|
sc->pDSBuf->lpVtbl->Restore (sc->pDSBuf);
|
|
|
|
if (!(dwStatus & DSBSTATUS_PLAYING))
|
|
sc->pDSBuf->lpVtbl->Play(sc->pDSBuf, 0, 0, DSBPLAY_LOOPING);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
S_PaintChannels (sc, endtime);
|
|
|
|
SNDDMA_Submit (sc);
|
|
}
|
|
|
|
/*
|
|
===============================================================================
|
|
|
|
console functions
|
|
|
|
===============================================================================
|
|
*/
|
|
|
|
void S_Play(void)
|
|
{
|
|
// static int hash=345;
|
|
int i;
|
|
char name[256];
|
|
sfx_t *sfx;
|
|
|
|
i = 1;
|
|
while (i<Cmd_Argc())
|
|
{
|
|
if (!Q_strrchr(Cmd_Argv(i), '.'))
|
|
{
|
|
Q_strcpy(name, Cmd_Argv(i));
|
|
Q_strcat(name, ".wav");
|
|
}
|
|
else
|
|
Q_strcpy(name, Cmd_Argv(i));
|
|
sfx = S_PrecacheSound(name);
|
|
S_StartSound(cl.playernum[0]+1, -1, sfx, vec3_origin, 1.0, 0.0);
|
|
// hash++;
|
|
i++;
|
|
}
|
|
}
|
|
|
|
void S_PlayVol(void)
|
|
{
|
|
// static int hash=543;
|
|
int i;
|
|
float vol;
|
|
char name[256];
|
|
sfx_t *sfx;
|
|
|
|
i = 1;
|
|
while (i<Cmd_Argc())
|
|
{
|
|
if (!Q_strrchr(Cmd_Argv(i), '.'))
|
|
{
|
|
Q_strcpy(name, Cmd_Argv(i));
|
|
Q_strcat(name, ".wav");
|
|
}
|
|
else
|
|
Q_strcpy(name, Cmd_Argv(i));
|
|
sfx = S_PrecacheSound(name);
|
|
vol = Q_atof(Cmd_Argv(i+1));
|
|
S_StartSound(cl.playernum[0]+1, -1, sfx, vec3_origin, vol, 0.0);
|
|
// hash;
|
|
i+=2;
|
|
}
|
|
}
|
|
|
|
void S_SoundList(void)
|
|
{
|
|
int i;
|
|
sfx_t *sfx;
|
|
sfxcache_t *sc;
|
|
int size, total;
|
|
|
|
total = 0;
|
|
for (sfx=known_sfx, i=0 ; i<num_sfx ; i++, sfx++)
|
|
{
|
|
sc = Cache_Check (&sfx->cache);
|
|
if (!sc)
|
|
continue;
|
|
size = sc->length*sc->width*(sc->stereo+1);
|
|
total += size;
|
|
if (sc->loopstart >= 0)
|
|
Con_Printf ("L");
|
|
else
|
|
Con_Printf (" ");
|
|
Con_Printf("(%2db) %6i : %s\n",sc->width*8, size, sfx->name);
|
|
}
|
|
Con_Printf ("Total resident: %i\n", total);
|
|
}
|
|
|
|
|
|
void S_LocalSound (char *sound)
|
|
{
|
|
sfx_t *sfx;
|
|
|
|
if (nosound.value)
|
|
return;
|
|
if (!sound_started)
|
|
return;
|
|
|
|
sfx = S_PrecacheSound (sound);
|
|
if (!sfx)
|
|
{
|
|
Con_Printf ("S_LocalSound: can't cache %s\n", sound);
|
|
return;
|
|
}
|
|
S_StartSound (-1, -1, sfx, vec3_origin, 1, 1);
|
|
}
|
|
|
|
|
|
void S_ClearPrecache (void)
|
|
{
|
|
}
|
|
|
|
|
|
void S_BeginPrecaching (void)
|
|
{
|
|
}
|
|
|
|
|
|
void S_EndPrecaching (void)
|
|
{
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
typedef struct {
|
|
qboolean inuse;
|
|
int id;
|
|
sfx_t sfx;
|
|
sfxcache_t *sfxcache;
|
|
} streaming_t;
|
|
#define MAX_RAW_SOURCES (MAX_CLIENTS+1)
|
|
streaming_t s_streamers[MAX_RAW_SOURCES];
|
|
|
|
/*
|
|
qboolean S_IsPlayingSomewhere(sfx_t *s)
|
|
{
|
|
soundcardinfo_t *si;
|
|
int i;
|
|
for (si = sndcardinfo; si; si=si->next)
|
|
{
|
|
for (i = 0; i < MAX_CHANNELS; i++)
|
|
if (si->channel[i].sfx == s)
|
|
return true;
|
|
}
|
|
return false;
|
|
}*/
|
|
#undef free
|
|
|
|
//streaming audio. //this is useful when there is one source, and the sound is to be played with no attenuation
|
|
void S_RawAudio(int sourceid, qbyte *data, int speed, int samples, int channels, int width)
|
|
{
|
|
soundcardinfo_t *si;
|
|
int i;
|
|
int prepadl;
|
|
int spare;
|
|
float speedfactor;
|
|
sfxcache_t *newcache;
|
|
streaming_t *s, *free=NULL;
|
|
samples/=channels;
|
|
for (s = s_streamers, i = 0; i < MAX_RAW_SOURCES; i++, s++)
|
|
{
|
|
if (!s->inuse)
|
|
{
|
|
free = s;
|
|
continue;
|
|
}
|
|
if (s->id == sourceid)
|
|
break;
|
|
}
|
|
if (i == MAX_RAW_SOURCES) //whoops.
|
|
{
|
|
if (!free)
|
|
{
|
|
Con_Printf("No free audio streams\n");
|
|
return;
|
|
}
|
|
s = free;
|
|
free->id = sourceid;
|
|
free->inuse = true;
|
|
free->sfx.cache.fake = true;
|
|
strcpy(free->sfx.name, "");
|
|
free->sfxcache = BZ_Malloc(sizeof(sfxcache_t));
|
|
free->sfx.cache.data = free->sfxcache;
|
|
free->sfxcache->speed = snd_speed;
|
|
free->sfxcache->stereo = channels-1;
|
|
free->sfxcache->width = width;
|
|
free->sfxcache->loopstart = -1;
|
|
free->sfxcache->length = 0;
|
|
}
|
|
if (s->sfxcache->width != width || s->sfxcache->stereo != channels-1 || s->sfxcache->speed != snd_speed)
|
|
{
|
|
s->sfxcache->width = width;
|
|
s->sfxcache->stereo = channels-1;
|
|
s->sfxcache->speed = snd_speed;
|
|
s->sfxcache->length = 0;
|
|
}
|
|
|
|
prepadl = -0x7fffffff;
|
|
for (si = sndcardinfo; si; si=si->next) //make sure all cards are playing, and that we still get a prepad if just one is.
|
|
{
|
|
for (i = 0; i < MAX_CHANNELS; i++)
|
|
if (si->channel[i].sfx == &s->sfx)
|
|
{
|
|
if (prepadl < si->channel[i].pos)
|
|
prepadl = si->channel[i].pos;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (prepadl == -0x7fffffff)
|
|
{
|
|
prepadl = 0;
|
|
spare = s->sfxcache->length;
|
|
if (spare > snd_speed)
|
|
spare = 0; //too far out. sacrifice it all
|
|
}
|
|
else
|
|
{
|
|
spare = s->sfxcache->length - prepadl;
|
|
if (spare < 0)
|
|
spare = 0;
|
|
}
|
|
|
|
/* else if (spare > snd_speed)
|
|
{
|
|
for (si = sndcardinfo; si; si=si->next)
|
|
{
|
|
for (i = 0; i < MAX_CHANNELS; i++)
|
|
if (si->channel[i].sfx == &s->sfx)
|
|
{
|
|
break;
|
|
}
|
|
if (i == MAX_CHANNELS) //this one wasn't playing.
|
|
S_StartSoundCard(si, -1, 0, &s->sfx, r_origin, 1, 32767, prepadl);
|
|
}
|
|
return; //let the slower sound cards catch up. (This shouldn't really happen, but it's possible two cards have slightly different timings but report the same speed)
|
|
}*/
|
|
|
|
newcache = BZ_Malloc(sizeof(sfxcache_t) + (spare+samples) * (s->sfxcache->stereo+1) * s->sfxcache->width);
|
|
memcpy(newcache, s->sfxcache, sizeof(sfxcache_t));
|
|
memcpy(newcache->data, s->sfxcache->data + prepadl * (s->sfxcache->stereo+1) * s->sfxcache->width, spare * (s->sfxcache->stereo+1) * s->sfxcache->width);
|
|
|
|
BZ_Free(s->sfxcache);
|
|
s->sfxcache = s->sfx.cache.data = newcache;
|
|
|
|
newcache->length = spare + samples;
|
|
|
|
speedfactor = (float)snd_speed/speed;
|
|
if (channels == 1)
|
|
{
|
|
if (width == 2)
|
|
{
|
|
short sample;
|
|
short *indata = (short *)data;
|
|
short *outpos = (short *)(newcache->data + spare * (s->sfxcache->stereo+1) * s->sfxcache->width);
|
|
if (speedfactor==1) //fast
|
|
{
|
|
while (samples--)
|
|
{
|
|
sample = *indata++;
|
|
*outpos++ = sample;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int src=0;
|
|
int pos=0;
|
|
|
|
while (pos++ < samples)
|
|
{
|
|
src = pos/speedfactor;
|
|
sample = indata[src];
|
|
*outpos++ = sample;
|
|
}
|
|
}
|
|
}
|
|
else if (width == 1)
|
|
{
|
|
char sample;
|
|
char *indata = (char *)data;
|
|
char *outpos = (char *)(newcache->data + spare * (s->sfxcache->stereo+1) * s->sfxcache->width);
|
|
if (speedfactor==1) //fast
|
|
{
|
|
while (samples--)
|
|
{
|
|
sample = *indata++;
|
|
*outpos++ = (int)( (unsigned char)(sample) - 128);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int src=0;
|
|
int pos=0;
|
|
|
|
while (pos++ < samples)
|
|
{
|
|
src = pos/speedfactor;
|
|
sample = indata[src];
|
|
*outpos++ = (int)( (unsigned char)(sample) - 128);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
Sys_Error("Width isn't 2\n");
|
|
}
|
|
else
|
|
{
|
|
if (width == 2)
|
|
{
|
|
short sample;
|
|
short *indata = (short *)data;
|
|
short *outpos = (short *)((qbyte *)newcache->data + spare * (s->sfxcache->stereo+1) * s->sfxcache->width);
|
|
if (speedfactor==1) //fast
|
|
{
|
|
while (samples--)
|
|
{
|
|
sample = *indata++;
|
|
*outpos++ = sample;
|
|
|
|
sample = *indata++;
|
|
*outpos++ = sample;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int src=0;
|
|
int pos=0;
|
|
|
|
while (pos++ < samples)
|
|
{
|
|
src = pos/speedfactor;
|
|
sample = indata[src*2];
|
|
*outpos++ = sample;
|
|
|
|
sample = indata[src*2+1];
|
|
*outpos++ = sample;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
Sys_Error("Width isn't 2\n");
|
|
}
|
|
|
|
|
|
for (si = sndcardinfo; si; si=si->next)
|
|
{
|
|
for (i = 0; i < MAX_CHANNELS; i++)
|
|
if (si->channel[i].sfx == &s->sfx)
|
|
{
|
|
si->channel[i].pos -= prepadl;
|
|
si->channel[i].end += samples - prepadl;
|
|
break;
|
|
}
|
|
if (i == MAX_CHANNELS) //this one wasn't playing.
|
|
S_StartSoundCard(si, -1, 0, &s->sfx, r_origin, 1, 32767, 0);
|
|
}
|
|
}
|
|
|
|
#endif //cygwin
|