/snd_main.c
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Possible License(s): GPL-2.0
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- /*
- Copyright (C) 1996-1997 Id Software, Inc.
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- See the GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- // snd_main.c -- main control for any streaming sound output device
- #include "quakedef.h"
- #include "snd_main.h"
- #include "snd_ogg.h"
- #include "csprogs.h"
- #include "cl_collision.h"
- #ifdef CONFIG_CD
- #include "cdaudio.h"
- #endif
- #define SND_MIN_SPEED 8000
- #define SND_MAX_SPEED 192000
- #define SND_MIN_WIDTH 1
- #define SND_MAX_WIDTH 2
- #define SND_MIN_CHANNELS 1
- #define SND_MAX_CHANNELS 8
- #if SND_LISTENERS != 8
- # error this data only supports up to 8 channel, update it!
- #endif
- speakerlayout_t snd_speakerlayout;
- // Our speaker layouts are based on ALSA. They differ from those
- // Win32 and Mac OS X APIs use when there's more than 4 channels.
- // (rear left + rear right, and front center + LFE are swapped).
- #define SND_SPEAKERLAYOUTS (sizeof(snd_speakerlayouts) / sizeof(snd_speakerlayouts[0]))
- static const speakerlayout_t snd_speakerlayouts[] =
- {
- {
- "surround71", 8,
- {
- {0, 45, 0.2f, 0.2f, 0.5f}, // front left
- {1, 315, 0.2f, 0.2f, 0.5f}, // front right
- {2, 135, 0.2f, 0.2f, 0.5f}, // rear left
- {3, 225, 0.2f, 0.2f, 0.5f}, // rear right
- {4, 0, 0.2f, 0.2f, 0.5f}, // front center
- {5, 0, 0, 0, 0}, // lfe (we don't have any good lfe sound sources and it would take some filtering work to generate them (and they'd probably still be wrong), so... no lfe)
- {6, 90, 0.2f, 0.2f, 0.5f}, // side left
- {7, 180, 0.2f, 0.2f, 0.5f}, // side right
- }
- },
- {
- "surround51", 6,
- {
- {0, 45, 0.2f, 0.2f, 0.5f}, // front left
- {1, 315, 0.2f, 0.2f, 0.5f}, // front right
- {2, 135, 0.2f, 0.2f, 0.5f}, // rear left
- {3, 225, 0.2f, 0.2f, 0.5f}, // rear right
- {4, 0, 0.2f, 0.2f, 0.5f}, // front center
- {5, 0, 0, 0, 0}, // lfe (we don't have any good lfe sound sources and it would take some filtering work to generate them (and they'd probably still be wrong), so... no lfe)
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- }
- },
- {
- // these systems sometimes have a subwoofer as well, but it has no
- // channel of its own
- "surround40", 4,
- {
- {0, 45, 0.3f, 0.3f, 0.8f}, // front left
- {1, 315, 0.3f, 0.3f, 0.8f}, // front right
- {2, 135, 0.3f, 0.3f, 0.8f}, // rear left
- {3, 225, 0.3f, 0.3f, 0.8f}, // rear right
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- }
- },
- {
- // these systems sometimes have a subwoofer as well, but it has no
- // channel of its own
- "stereo", 2,
- {
- {0, 90, 0.5f, 0.5f, 1}, // side left
- {1, 270, 0.5f, 0.5f, 1}, // side right
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- }
- },
- {
- "mono", 1,
- {
- {0, 0, 0, 1, 1}, // center
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- {0, 0, 0, 0, 0},
- }
- }
- };
- // =======================================================================
- // Internal sound data & structures
- // =======================================================================
- channel_t channels[MAX_CHANNELS];
- unsigned int total_channels;
- snd_ringbuffer_t *snd_renderbuffer = NULL;
- static unsigned int soundtime = 0;
- static unsigned int oldpaintedtime = 0;
- static unsigned int extrasoundtime = 0;
- static double snd_starttime = 0.0;
- qboolean snd_threaded = false;
- qboolean snd_usethreadedmixing = false;
- vec3_t listener_origin;
- matrix4x4_t listener_basematrix;
- static unsigned char *listener_pvs = NULL;
- static int listener_pvsbytes = 0;
- matrix4x4_t listener_matrix[SND_LISTENERS];
- mempool_t *snd_mempool;
- // Linked list of known sfx
- static sfx_t *known_sfx = NULL;
- static qboolean sound_spatialized = false;
- qboolean simsound = false;
- static qboolean recording_sound = false;
- int snd_blocked = 0;
- static int current_swapstereo = false;
- static int current_channellayout = SND_CHANNELLAYOUT_AUTO;
- static int current_channellayout_used = SND_CHANNELLAYOUT_AUTO;
- static float spatialpower, spatialmin, spatialdiff, spatialoffset, spatialfactor;
- typedef enum { SPATIAL_NONE, SPATIAL_LOG, SPATIAL_POW, SPATIAL_THRESH } spatialmethod_t;
- spatialmethod_t spatialmethod;
- // Cvars declared in sound.h (part of the sound API)
- cvar_t bgmvolume = {CVAR_SAVE, "bgmvolume", "1", "volume of background music (such as CD music or replacement files such as sound/cdtracks/track002.ogg)"};
- cvar_t mastervolume = {CVAR_SAVE, "mastervolume", "0.7", "master volume"};
- cvar_t volume = {CVAR_SAVE, "volume", "0.7", "volume of sound effects"};
- cvar_t snd_initialized = { CVAR_READONLY, "snd_initialized", "0", "indicates the sound subsystem is active"};
- cvar_t snd_staticvolume = {CVAR_SAVE, "snd_staticvolume", "1", "volume of ambient sound effects (such as swampy sounds at the start of e1m2)"};
- cvar_t snd_soundradius = {CVAR_SAVE, "snd_soundradius", "1200", "radius of weapon sounds and other standard sound effects (monster idle noises are half this radius and flickering light noises are one third of this radius)"};
- cvar_t snd_attenuation_exponent = {CVAR_SAVE, "snd_attenuation_exponent", "1", "Exponent of (1-radius) in sound attenuation formula"};
- cvar_t snd_attenuation_decibel = {CVAR_SAVE, "snd_attenuation_decibel", "0", "Decibel sound attenuation per sound radius distance"};
- cvar_t snd_spatialization_min_radius = {CVAR_SAVE, "snd_spatialization_min_radius", "10000", "use minimum spatialization above to this radius"};
- cvar_t snd_spatialization_max_radius = {CVAR_SAVE, "snd_spatialization_max_radius", "100", "use maximum spatialization below this radius"};
- cvar_t snd_spatialization_min = {CVAR_SAVE, "snd_spatialization_min", "0.70", "minimum spatializazion of sounds"};
- cvar_t snd_spatialization_max = {CVAR_SAVE, "snd_spatialization_max", "0.95", "maximum spatialization of sounds"};
- cvar_t snd_spatialization_power = {CVAR_SAVE, "snd_spatialization_power", "0", "exponent of the spatialization falloff curve (0: logarithmic)"};
- cvar_t snd_spatialization_control = {CVAR_SAVE, "snd_spatialization_control", "0", "enable spatialization control (headphone friendly mode)"};
- cvar_t snd_spatialization_prologic = {CVAR_SAVE, "snd_spatialization_prologic", "0", "use dolby prologic (I, II or IIx) encoding (snd_channels must be 2)"};
- cvar_t snd_spatialization_prologic_frontangle = {CVAR_SAVE, "snd_spatialization_prologic_frontangle", "30", "the angle between the front speakers and the center speaker"};
- cvar_t snd_spatialization_occlusion = {CVAR_SAVE, "snd_spatialization_occlusion", "1", "enable occlusion testing on spatialized sounds, which simply quiets sounds that are blocked by the world; 1 enables PVS method, 2 enables LineOfSight method, 3 enables both"};
- // Cvars declared in snd_main.h (shared with other snd_*.c files)
- cvar_t _snd_mixahead = {CVAR_SAVE, "_snd_mixahead", "0.15", "how much sound to mix ahead of time"};
- cvar_t snd_streaming = { CVAR_SAVE, "snd_streaming", "1", "enables keeping compressed ogg sound files compressed, decompressing them only as needed, otherwise they will be decompressed completely at load (may use a lot of memory); when set to 2, streaming is performed even if this would waste memory"};
- cvar_t snd_streaming_length = { CVAR_SAVE, "snd_streaming_length", "1", "decompress sounds completely if they are less than this play time when snd_streaming is 1"};
- cvar_t snd_swapstereo = {CVAR_SAVE, "snd_swapstereo", "0", "swaps left/right speakers for old ISA soundblaster cards"};
- extern cvar_t v_flipped;
- cvar_t snd_channellayout = {0, "snd_channellayout", "0", "channel layout. Can be 0 (auto - snd_restart needed), 1 (standard layout), or 2 (ALSA layout)"};
- cvar_t snd_mutewhenidle = {CVAR_SAVE, "snd_mutewhenidle", "1", "whether to disable sound output when game window is inactive"};
- cvar_t snd_maxchannelvolume = {CVAR_SAVE, "snd_maxchannelvolume", "10", "maximum volume of a single sound"};
- cvar_t snd_softclip = {CVAR_SAVE, "snd_softclip", "0", "Use soft-clipping. Soft-clipping can make the sound more smooth if very high volume levels are used. Enable this option if the dynamic range of the loudspeakers is very low. WARNING: This feature creates distortion and should be considered a last resort."};
- //cvar_t snd_softclip = {CVAR_SAVE, "snd_softclip", "0", "Use soft-clipping (when set to 2, use it even if output is floating point). Soft-clipping can make the sound more smooth if very high volume levels are used. Enable this option if the dynamic range of the loudspeakers is very low. WARNING: This feature creates distortion and should be considered a last resort."};
- cvar_t snd_entchannel0volume = {CVAR_SAVE, "snd_entchannel0volume", "1", "volume multiplier of the auto-allocate entity channel of regular entities (DEPRECATED)"};
- cvar_t snd_entchannel1volume = {CVAR_SAVE, "snd_entchannel1volume", "1", "volume multiplier of the 1st entity channel of regular entities (DEPRECATED)"};
- cvar_t snd_entchannel2volume = {CVAR_SAVE, "snd_entchannel2volume", "1", "volume multiplier of the 2nd entity channel of regular entities (DEPRECATED)"};
- cvar_t snd_entchannel3volume = {CVAR_SAVE, "snd_entchannel3volume", "1", "volume multiplier of the 3rd entity channel of regular entities (DEPRECATED)"};
- cvar_t snd_entchannel4volume = {CVAR_SAVE, "snd_entchannel4volume", "1", "volume multiplier of the 4th entity channel of regular entities (DEPRECATED)"};
- cvar_t snd_entchannel5volume = {CVAR_SAVE, "snd_entchannel5volume", "1", "volume multiplier of the 5th entity channel of regular entities (DEPRECATED)"};
- cvar_t snd_entchannel6volume = {CVAR_SAVE, "snd_entchannel6volume", "1", "volume multiplier of the 6th entity channel of regular entities (DEPRECATED)"};
- cvar_t snd_entchannel7volume = {CVAR_SAVE, "snd_entchannel7volume", "1", "volume multiplier of the 7th entity channel of regular entities (DEPRECATED)"};
- cvar_t snd_playerchannel0volume = {CVAR_SAVE, "snd_playerchannel0volume", "1", "volume multiplier of the auto-allocate entity channel of player entities (DEPRECATED)"};
- cvar_t snd_playerchannel1volume = {CVAR_SAVE, "snd_playerchannel1volume", "1", "volume multiplier of the 1st entity channel of player entities (DEPRECATED)"};
- cvar_t snd_playerchannel2volume = {CVAR_SAVE, "snd_playerchannel2volume", "1", "volume multiplier of the 2nd entity channel of player entities (DEPRECATED)"};
- cvar_t snd_playerchannel3volume = {CVAR_SAVE, "snd_playerchannel3volume", "1", "volume multiplier of the 3rd entity channel of player entities (DEPRECATED)"};
- cvar_t snd_playerchannel4volume = {CVAR_SAVE, "snd_playerchannel4volume", "1", "volume multiplier of the 4th entity channel of player entities (DEPRECATED)"};
- cvar_t snd_playerchannel5volume = {CVAR_SAVE, "snd_playerchannel5volume", "1", "volume multiplier of the 5th entity channel of player entities (DEPRECATED)"};
- cvar_t snd_playerchannel6volume = {CVAR_SAVE, "snd_playerchannel6volume", "1", "volume multiplier of the 6th entity channel of player entities (DEPRECATED)"};
- cvar_t snd_playerchannel7volume = {CVAR_SAVE, "snd_playerchannel7volume", "1", "volume multiplier of the 7th entity channel of player entities (DEPRECATED)"};
- cvar_t snd_worldchannel0volume = {CVAR_SAVE, "snd_worldchannel0volume", "1", "volume multiplier of the auto-allocate entity channel of the world entity (DEPRECATED)"};
- cvar_t snd_worldchannel1volume = {CVAR_SAVE, "snd_worldchannel1volume", "1", "volume multiplier of the 1st entity channel of the world entity (DEPRECATED)"};
- cvar_t snd_worldchannel2volume = {CVAR_SAVE, "snd_worldchannel2volume", "1", "volume multiplier of the 2nd entity channel of the world entity (DEPRECATED)"};
- cvar_t snd_worldchannel3volume = {CVAR_SAVE, "snd_worldchannel3volume", "1", "volume multiplier of the 3rd entity channel of the world entity (DEPRECATED)"};
- cvar_t snd_worldchannel4volume = {CVAR_SAVE, "snd_worldchannel4volume", "1", "volume multiplier of the 4th entity channel of the world entity (DEPRECATED)"};
- cvar_t snd_worldchannel5volume = {CVAR_SAVE, "snd_worldchannel5volume", "1", "volume multiplier of the 5th entity channel of the world entity (DEPRECATED)"};
- cvar_t snd_worldchannel6volume = {CVAR_SAVE, "snd_worldchannel6volume", "1", "volume multiplier of the 6th entity channel of the world entity (DEPRECATED)"};
- cvar_t snd_worldchannel7volume = {CVAR_SAVE, "snd_worldchannel7volume", "1", "volume multiplier of the 7th entity channel of the world entity (DEPRECATED)"};
- cvar_t snd_csqcchannel0volume = {CVAR_SAVE, "snd_csqcchannel0volume", "1", "volume multiplier of the auto-allocate entity channel CSQC entities (DEPRECATED)"};
- cvar_t snd_csqcchannel1volume = {CVAR_SAVE, "snd_csqcchannel1volume", "1", "volume multiplier of the 1st entity channel of CSQC entities (DEPRECATED)"};
- cvar_t snd_csqcchannel2volume = {CVAR_SAVE, "snd_csqcchannel2volume", "1", "volume multiplier of the 2nd entity channel of CSQC entities (DEPRECATED)"};
- cvar_t snd_csqcchannel3volume = {CVAR_SAVE, "snd_csqcchannel3volume", "1", "volume multiplier of the 3rd entity channel of CSQC entities (DEPRECATED)"};
- cvar_t snd_csqcchannel4volume = {CVAR_SAVE, "snd_csqcchannel4volume", "1", "volume multiplier of the 4th entity channel of CSQC entities (DEPRECATED)"};
- cvar_t snd_csqcchannel5volume = {CVAR_SAVE, "snd_csqcchannel5volume", "1", "volume multiplier of the 5th entity channel of CSQC entities (DEPRECATED)"};
- cvar_t snd_csqcchannel6volume = {CVAR_SAVE, "snd_csqcchannel6volume", "1", "volume multiplier of the 6th entity channel of CSQC entities (DEPRECATED)"};
- cvar_t snd_csqcchannel7volume = {CVAR_SAVE, "snd_csqcchannel7volume", "1", "volume multiplier of the 7th entity channel of CSQC entities (DEPRECATED)"};
- cvar_t snd_channel0volume = {CVAR_SAVE, "snd_channel0volume", "1", "volume multiplier of the auto-allocate entity channel"};
- cvar_t snd_channel1volume = {CVAR_SAVE, "snd_channel1volume", "1", "volume multiplier of the 1st entity channel"};
- cvar_t snd_channel2volume = {CVAR_SAVE, "snd_channel2volume", "1", "volume multiplier of the 2nd entity channel"};
- cvar_t snd_channel3volume = {CVAR_SAVE, "snd_channel3volume", "1", "volume multiplier of the 3rd entity channel"};
- cvar_t snd_channel4volume = {CVAR_SAVE, "snd_channel4volume", "1", "volume multiplier of the 4th entity channel"};
- cvar_t snd_channel5volume = {CVAR_SAVE, "snd_channel5volume", "1", "volume multiplier of the 5th entity channel"};
- cvar_t snd_channel6volume = {CVAR_SAVE, "snd_channel6volume", "1", "volume multiplier of the 6th entity channel"};
- cvar_t snd_channel7volume = {CVAR_SAVE, "snd_channel7volume", "1", "volume multiplier of the 7th entity channel"};
- // Local cvars
- static cvar_t nosound = {0, "nosound", "0", "disables sound"};
- static cvar_t snd_precache = {0, "snd_precache", "1", "loads sounds before they are used"};
- static cvar_t ambient_level = {0, "ambient_level", "0.3", "volume of environment noises (water and wind)"};
- static cvar_t ambient_fade = {0, "ambient_fade", "100", "rate of volume fading when moving from one environment to another"};
- static cvar_t snd_noextraupdate = {0, "snd_noextraupdate", "0", "disables extra sound mixer calls that are meant to reduce the chance of sound breakup at very low framerates"};
- static cvar_t snd_show = {0, "snd_show", "0", "shows some statistics about sound mixing"};
- // Default sound format is 48KHz, 16-bit, stereo
- // (48KHz because a lot of onboard sound cards sucks at any other speed)
- static cvar_t snd_speed = {CVAR_SAVE, "snd_speed", "48000", "sound output frequency, in hertz"};
- static cvar_t snd_width = {CVAR_SAVE, "snd_width", "2", "sound output precision, in bytes (1 and 2 supported)"};
- static cvar_t snd_channels = {CVAR_SAVE, "snd_channels", "2", "number of channels for the sound output (2 for stereo; up to 8 supported for 3D sound)"};
- static cvar_t snd_startloopingsounds = {0, "snd_startloopingsounds", "1", "whether to start sounds that would loop (you want this to be 1); existing sounds are not affected"};
- static cvar_t snd_startnonloopingsounds = {0, "snd_startnonloopingsounds", "1", "whether to start sounds that would not loop (you want this to be 1); existing sounds are not affected"};
- // randomization
- static cvar_t snd_identicalsoundrandomization_time = {0, "snd_identicalsoundrandomization_time", "0.1", "how much seconds to randomly skip (positive) or delay (negative) sounds when multiple identical sounds are started on the same frame"};
- static cvar_t snd_identicalsoundrandomization_tics = {0, "snd_identicalsoundrandomization_tics", "0", "if nonzero, how many tics to limit sound randomization as defined by snd_identicalsoundrandomization_time"};
- // Ambient sounds
- static sfx_t* ambient_sfxs [2] = { NULL, NULL };
- static const char* ambient_names [2] = { "sound/ambience/water1.wav", "sound/ambience/wind2.wav" };
- // ====================================================================
- // Functions
- // ====================================================================
- void S_FreeSfx (sfx_t *sfx, qboolean force);
- static void S_Play_Common (float fvol, float attenuation)
- {
- int i, ch_ind;
- char name [MAX_QPATH];
- sfx_t *sfx;
- i = 1;
- while (i < Cmd_Argc ())
- {
- // Get the name, and appends ".wav" as an extension if there's none
- strlcpy (name, Cmd_Argv (i), sizeof (name));
- if (!strrchr (name, '.'))
- strlcat (name, ".wav", sizeof (name));
- i++;
- // If we need to get the volume from the command line
- if (fvol == -1.0f)
- {
- fvol = atof (Cmd_Argv (i));
- i++;
- }
- sfx = S_PrecacheSound (name, true, true);
- if (sfx)
- {
- ch_ind = S_StartSound (-1, 0, sfx, listener_origin, fvol, attenuation);
- // Free the sfx if the file didn't exist
- if (!sfx->fetcher)
- S_FreeSfx (sfx, false);
- else
- channels[ch_ind].flags |= CHANNELFLAG_LOCALSOUND;
- }
- }
- }
- static void S_Play_f(void)
- {
- S_Play_Common (1.0f, 1.0f);
- }
- static void S_Play2_f(void)
- {
- S_Play_Common (1.0f, 0.0f);
- }
- static void S_PlayVol_f(void)
- {
- S_Play_Common (-1.0f, 0.0f);
- }
- static void S_SoundList_f (void)
- {
- unsigned int i;
- sfx_t *sfx;
- unsigned int total;
- total = 0;
- for (sfx = known_sfx, i = 0; sfx != NULL; sfx = sfx->next, i++)
- {
- if (sfx->fetcher != NULL)
- {
- unsigned int size;
- size = (unsigned int)sfx->memsize;
- Con_Printf ("%c%c%c(%5iHz %2db %6s) %8i : %s\n",
- (sfx->loopstart < sfx->total_length) ? 'L' : ' ',
- (sfx->flags & SFXFLAG_STREAMED) ? 'S' : ' ',
- (sfx->flags & SFXFLAG_MENUSOUND) ? 'P' : ' ',
- sfx->format.speed,
- sfx->format.width * 8,
- (sfx->format.channels == 1) ? "mono" : "stereo",
- size,
- sfx->name);
- total += size;
- }
- else
- Con_Printf (" ( unknown ) unloaded : %s\n", sfx->name);
- }
- Con_Printf("Total resident: %i\n", total);
- }
- static void S_SoundInfo_f(void)
- {
- if (snd_renderbuffer == NULL)
- {
- Con_Print("sound system not started\n");
- return;
- }
- Con_Printf("%5d speakers\n", snd_renderbuffer->format.channels);
- Con_Printf("%5d frames\n", snd_renderbuffer->maxframes);
- Con_Printf("%5d samplebits\n", snd_renderbuffer->format.width * 8);
- Con_Printf("%5d speed\n", snd_renderbuffer->format.speed);
- Con_Printf("%5u total_channels\n", total_channels);
- }
- int S_GetSoundRate(void)
- {
- return snd_renderbuffer ? snd_renderbuffer->format.speed : 0;
- }
- int S_GetSoundChannels(void)
- {
- return snd_renderbuffer ? snd_renderbuffer->format.channels : 0;
- }
- static qboolean S_ChooseCheaperFormat (snd_format_t* format, qboolean fixed_speed, qboolean fixed_width, qboolean fixed_channels)
- {
- static const snd_format_t thresholds [] =
- {
- // speed width channels
- { SND_MIN_SPEED, SND_MIN_WIDTH, SND_MIN_CHANNELS },
- { 11025, 1, 2 },
- { 22050, 2, 2 },
- { 44100, 2, 2 },
- { 48000, 2, 6 },
- { 96000, 2, 6 },
- { SND_MAX_SPEED, SND_MAX_WIDTH, SND_MAX_CHANNELS },
- };
- const unsigned int nb_thresholds = sizeof(thresholds) / sizeof(thresholds[0]);
- unsigned int speed_level, width_level, channels_level;
- // If we have reached the minimum values, there's nothing more we can do
- if ((format->speed == thresholds[0].speed || fixed_speed) &&
- (format->width == thresholds[0].width || fixed_width) &&
- (format->channels == thresholds[0].channels || fixed_channels))
- return false;
- // Check the min and max values
- #define CHECK_BOUNDARIES(param) \
- if (format->param < thresholds[0].param) \
- { \
- format->param = thresholds[0].param; \
- return true; \
- } \
- if (format->param > thresholds[nb_thresholds - 1].param) \
- { \
- format->param = thresholds[nb_thresholds - 1].param; \
- return true; \
- }
- CHECK_BOUNDARIES(speed);
- CHECK_BOUNDARIES(width);
- CHECK_BOUNDARIES(channels);
- #undef CHECK_BOUNDARIES
- // Find the level of each parameter
- #define FIND_LEVEL(param) \
- param##_level = 0; \
- while (param##_level < nb_thresholds - 1) \
- { \
- if (format->param <= thresholds[param##_level].param) \
- break; \
- \
- param##_level++; \
- }
- FIND_LEVEL(speed);
- FIND_LEVEL(width);
- FIND_LEVEL(channels);
- #undef FIND_LEVEL
- // Decrease the parameter with the highest level to the previous level
- if (channels_level >= speed_level && channels_level >= width_level && !fixed_channels)
- {
- format->channels = thresholds[channels_level - 1].channels;
- return true;
- }
- if (speed_level >= width_level && !fixed_speed)
- {
- format->speed = thresholds[speed_level - 1].speed;
- return true;
- }
- format->width = thresholds[width_level - 1].width;
- return true;
- }
- #define SWAP_LISTENERS(l1, l2, tmpl) { tmpl = (l1); (l1) = (l2); (l2) = tmpl; }
- static void S_SetChannelLayout (void)
- {
- unsigned int i;
- listener_t swaplistener;
- listener_t *listeners;
- int layout;
- for (i = 0; i < SND_SPEAKERLAYOUTS; i++)
- if (snd_speakerlayouts[i].channels == snd_renderbuffer->format.channels)
- break;
- if (i >= SND_SPEAKERLAYOUTS)
- {
- Con_Printf("S_SetChannelLayout: can't find the speaker layout for %hu channels. Defaulting to mono output\n",
- snd_renderbuffer->format.channels);
- i = SND_SPEAKERLAYOUTS - 1;
- }
- snd_speakerlayout = snd_speakerlayouts[i];
- listeners = snd_speakerlayout.listeners;
- // Swap the left and right channels if snd_swapstereo is set
- if (boolxor(snd_swapstereo.integer, v_flipped.integer))
- {
- switch (snd_speakerlayout.channels)
- {
- case 8:
- SWAP_LISTENERS(listeners[6], listeners[7], swaplistener);
- // no break
- case 4:
- case 6:
- SWAP_LISTENERS(listeners[2], listeners[3], swaplistener);
- // no break
- case 2:
- SWAP_LISTENERS(listeners[0], listeners[1], swaplistener);
- break;
- default:
- case 1:
- // Nothing to do
- break;
- }
- }
- // Sanity check
- if (snd_channellayout.integer < SND_CHANNELLAYOUT_AUTO ||
- snd_channellayout.integer > SND_CHANNELLAYOUT_ALSA)
- Cvar_SetValueQuick (&snd_channellayout, SND_CHANNELLAYOUT_STANDARD);
- if (snd_channellayout.integer == SND_CHANNELLAYOUT_AUTO)
- {
- // If we're in the sound engine initialization
- if (current_channellayout_used == SND_CHANNELLAYOUT_AUTO)
- {
- layout = SND_CHANNELLAYOUT_STANDARD;
- Cvar_SetValueQuick (&snd_channellayout, layout);
- }
- else
- layout = current_channellayout_used;
- }
- else
- layout = snd_channellayout.integer;
- // Convert our layout (= ALSA) to the standard layout if necessary
- if (snd_speakerlayout.channels == 6 || snd_speakerlayout.channels == 8)
- {
- if (layout == SND_CHANNELLAYOUT_STANDARD)
- {
- SWAP_LISTENERS(listeners[2], listeners[4], swaplistener);
- SWAP_LISTENERS(listeners[3], listeners[5], swaplistener);
- }
- Con_Printf("S_SetChannelLayout: using %s speaker layout for 3D sound\n",
- (layout == SND_CHANNELLAYOUT_ALSA) ? "ALSA" : "standard");
- }
- current_swapstereo = boolxor(snd_swapstereo.integer, v_flipped.integer);
- current_channellayout = snd_channellayout.integer;
- current_channellayout_used = layout;
- }
- void S_Startup (void)
- {
- qboolean fixed_speed, fixed_width, fixed_channels;
- snd_format_t chosen_fmt;
- static snd_format_t prev_render_format = {0, 0, 0};
- char* env;
- #if _MSC_VER >= 1400
- size_t envlen;
- #endif
- int i;
- if (!snd_initialized.integer)
- return;
- fixed_speed = false;
- fixed_width = false;
- fixed_channels = false;
- // Get the starting sound format from the cvars
- chosen_fmt.speed = snd_speed.integer;
- chosen_fmt.width = snd_width.integer;
- chosen_fmt.channels = snd_channels.integer;
- // Check the environment variables to see if the player wants a particular sound format
- #if _MSC_VER >= 1400
- _dupenv_s(&env, &envlen, "QUAKE_SOUND_CHANNELS");
- #else
- env = getenv("QUAKE_SOUND_CHANNELS");
- #endif
- if (env != NULL)
- {
- chosen_fmt.channels = atoi (env);
- #if _MSC_VER >= 1400
- free(env);
- #endif
- fixed_channels = true;
- }
- #if _MSC_VER >= 1400
- _dupenv_s(&env, &envlen, "QUAKE_SOUND_SPEED");
- #else
- env = getenv("QUAKE_SOUND_SPEED");
- #endif
- if (env != NULL)
- {
- chosen_fmt.speed = atoi (env);
- #if _MSC_VER >= 1400
- free(env);
- #endif
- fixed_speed = true;
- }
- #if _MSC_VER >= 1400
- _dupenv_s(&env, &envlen, "QUAKE_SOUND_SAMPLEBITS");
- #else
- env = getenv("QUAKE_SOUND_SAMPLEBITS");
- #endif
- if (env != NULL)
- {
- chosen_fmt.width = atoi (env) / 8;
- #if _MSC_VER >= 1400
- free(env);
- #endif
- fixed_width = true;
- }
- // Parse the command line to see if the player wants a particular sound format
- // COMMANDLINEOPTION: Sound: -sndquad sets sound output to 4 channel surround
- if (COM_CheckParm ("-sndquad") != 0)
- {
- chosen_fmt.channels = 4;
- fixed_channels = true;
- }
- // COMMANDLINEOPTION: Sound: -sndstereo sets sound output to stereo
- else if (COM_CheckParm ("-sndstereo") != 0)
- {
- chosen_fmt.channels = 2;
- fixed_channels = true;
- }
- // COMMANDLINEOPTION: Sound: -sndmono sets sound output to mono
- else if (COM_CheckParm ("-sndmono") != 0)
- {
- chosen_fmt.channels = 1;
- fixed_channels = true;
- }
- // COMMANDLINEOPTION: Sound: -sndspeed <hz> chooses sound output rate (supported values are 48000, 44100, 32000, 24000, 22050, 16000, 11025 (quake), 8000)
- i = COM_CheckParm ("-sndspeed");
- if (0 < i && i < com_argc - 1)
- {
- chosen_fmt.speed = atoi (com_argv[i + 1]);
- fixed_speed = true;
- }
- // COMMANDLINEOPTION: Sound: -sndbits <bits> chooses 8 bit or 16 bit sound output
- i = COM_CheckParm ("-sndbits");
- if (0 < i && i < com_argc - 1)
- {
- chosen_fmt.width = atoi (com_argv[i + 1]) / 8;
- fixed_width = true;
- }
- #if 0
- // LordHavoc: now you can with the resampler...
- // You can't change sound speed after start time (not yet supported)
- if (prev_render_format.speed != 0)
- {
- fixed_speed = true;
- if (chosen_fmt.speed != prev_render_format.speed)
- {
- Con_Printf("S_Startup: sound speed has changed! This is NOT supported yet. Falling back to previous speed (%u Hz)\n",
- prev_render_format.speed);
- chosen_fmt.speed = prev_render_format.speed;
- }
- }
- #endif
- // Sanity checks
- if (chosen_fmt.speed < SND_MIN_SPEED)
- {
- chosen_fmt.speed = SND_MIN_SPEED;
- fixed_speed = false;
- }
- else if (chosen_fmt.speed > SND_MAX_SPEED)
- {
- chosen_fmt.speed = SND_MAX_SPEED;
- fixed_speed = false;
- }
- if (chosen_fmt.width < SND_MIN_WIDTH)
- {
- chosen_fmt.width = SND_MIN_WIDTH;
- fixed_width = false;
- }
- else if (chosen_fmt.width > SND_MAX_WIDTH)
- {
- chosen_fmt.width = SND_MAX_WIDTH;
- fixed_width = false;
- }
- if (chosen_fmt.channels < SND_MIN_CHANNELS)
- {
- chosen_fmt.channels = SND_MIN_CHANNELS;
- fixed_channels = false;
- }
- else if (chosen_fmt.channels > SND_MAX_CHANNELS)
- {
- chosen_fmt.channels = SND_MAX_CHANNELS;
- fixed_channels = false;
- }
- // create the sound buffer used for sumitting the samples to the plaform-dependent module
- if (!simsound)
- {
- snd_format_t suggest_fmt;
- qboolean accepted;
- accepted = false;
- do
- {
- Con_Printf("S_Startup: initializing sound output format: %dHz, %d bit, %d channels...\n",
- chosen_fmt.speed, chosen_fmt.width * 8,
- chosen_fmt.channels);
- memset(&suggest_fmt, 0, sizeof(suggest_fmt));
- accepted = SndSys_Init(&chosen_fmt, &suggest_fmt);
- if (!accepted)
- {
- Con_Printf("S_Startup: sound output initialization FAILED\n");
- // If the module is suggesting another one
- if (suggest_fmt.speed != 0)
- {
- memcpy(&chosen_fmt, &suggest_fmt, sizeof(chosen_fmt));
- Con_Printf (" Driver has suggested %dHz, %d bit, %d channels. Retrying...\n",
- suggest_fmt.speed, suggest_fmt.width * 8,
- suggest_fmt.channels);
- }
- // Else, try to find a less resource-demanding format
- else if (!S_ChooseCheaperFormat (&chosen_fmt, fixed_speed, fixed_width, fixed_channels))
- break;
- }
- } while (!accepted);
- // If we haven't found a suitable format
- if (!accepted)
- {
- Con_Print("S_Startup: SndSys_Init failed.\n");
- sound_spatialized = false;
- return;
- }
- }
- else
- {
- snd_renderbuffer = Snd_CreateRingBuffer(&chosen_fmt, 0, NULL);
- Con_Print ("S_Startup: simulating sound output\n");
- }
- memcpy(&prev_render_format, &snd_renderbuffer->format, sizeof(prev_render_format));
- Con_Printf("Sound format: %dHz, %d channels, %d bits per sample\n",
- chosen_fmt.speed, chosen_fmt.channels, chosen_fmt.width * 8);
- // Update the cvars
- if (snd_speed.integer != (int)chosen_fmt.speed)
- Cvar_SetValueQuick(&snd_speed, chosen_fmt.speed);
- if (snd_width.integer != chosen_fmt.width)
- Cvar_SetValueQuick(&snd_width, chosen_fmt.width);
- if (snd_channels.integer != chosen_fmt.channels)
- Cvar_SetValueQuick(&snd_channels, chosen_fmt.channels);
- current_channellayout_used = SND_CHANNELLAYOUT_AUTO;
- S_SetChannelLayout();
- snd_starttime = realtime;
- // If the sound module has already run, add an extra time to make sure
- // the sound time doesn't decrease, to not confuse playing SFXs
- if (oldpaintedtime != 0)
- {
- // The extra time must be a multiple of the render buffer size
- // to avoid modifying the current position in the buffer,
- // some modules write directly to a shared (DMA) buffer
- extrasoundtime = oldpaintedtime + snd_renderbuffer->maxframes - 1;
- extrasoundtime -= extrasoundtime % snd_renderbuffer->maxframes;
- Con_Printf("S_Startup: extra sound time = %u\n", extrasoundtime);
- soundtime = extrasoundtime;
- }
- else
- extrasoundtime = 0;
- snd_renderbuffer->startframe = soundtime;
- snd_renderbuffer->endframe = soundtime;
- recording_sound = false;
- }
- void S_Shutdown(void)
- {
- if (snd_renderbuffer == NULL)
- return;
- oldpaintedtime = snd_renderbuffer->endframe;
- if (simsound)
- {
- Mem_Free(snd_renderbuffer->ring);
- Mem_Free(snd_renderbuffer);
- snd_renderbuffer = NULL;
- }
- else
- SndSys_Shutdown();
- sound_spatialized = false;
- }
- static void S_Restart_f(void)
- {
- // NOTE: we can't free all sounds if we are running a map (this frees sfx_t that are still referenced by precaches)
- // So, refuse to do this if we are connected.
- if(cls.state == ca_connected)
- {
- Con_Printf("snd_restart would wreak havoc if you do that while connected!\n");
- return;
- }
- S_Shutdown();
- S_Startup();
- }
- /*
- ================
- S_Init
- ================
- */
- void S_Init(void)
- {
- Cvar_RegisterVariable(&volume);
- Cvar_RegisterVariable(&bgmvolume);
- Cvar_RegisterVariable(&mastervolume);
- Cvar_RegisterVariable(&snd_staticvolume);
- Cvar_RegisterVariable(&snd_entchannel0volume);
- Cvar_RegisterVariable(&snd_entchannel1volume);
- Cvar_RegisterVariable(&snd_entchannel2volume);
- Cvar_RegisterVariable(&snd_entchannel3volume);
- Cvar_RegisterVariable(&snd_entchannel4volume);
- Cvar_RegisterVariable(&snd_entchannel5volume);
- Cvar_RegisterVariable(&snd_entchannel6volume);
- Cvar_RegisterVariable(&snd_entchannel7volume);
- Cvar_RegisterVariable(&snd_worldchannel0volume);
- Cvar_RegisterVariable(&snd_worldchannel1volume);
- Cvar_RegisterVariable(&snd_worldchannel2volume);
- Cvar_RegisterVariable(&snd_worldchannel3volume);
- Cvar_RegisterVariable(&snd_worldchannel4volume);
- Cvar_RegisterVariable(&snd_worldchannel5volume);
- Cvar_RegisterVariable(&snd_worldchannel6volume);
- Cvar_RegisterVariable(&snd_worldchannel7volume);
- Cvar_RegisterVariable(&snd_playerchannel0volume);
- Cvar_RegisterVariable(&snd_playerchannel1volume);
- Cvar_RegisterVariable(&snd_playerchannel2volume);
- Cvar_RegisterVariable(&snd_playerchannel3volume);
- Cvar_RegisterVariable(&snd_playerchannel4volume);
- Cvar_RegisterVariable(&snd_playerchannel5volume);
- Cvar_RegisterVariable(&snd_playerchannel6volume);
- Cvar_RegisterVariable(&snd_playerchannel7volume);
- Cvar_RegisterVariable(&snd_csqcchannel0volume);
- Cvar_RegisterVariable(&snd_csqcchannel1volume);
- Cvar_RegisterVariable(&snd_csqcchannel2volume);
- Cvar_RegisterVariable(&snd_csqcchannel3volume);
- Cvar_RegisterVariable(&snd_csqcchannel4volume);
- Cvar_RegisterVariable(&snd_csqcchannel5volume);
- Cvar_RegisterVariable(&snd_csqcchannel6volume);
- Cvar_RegisterVariable(&snd_csqcchannel7volume);
- Cvar_RegisterVariable(&snd_channel0volume);
- Cvar_RegisterVariable(&snd_channel1volume);
- Cvar_RegisterVariable(&snd_channel2volume);
- Cvar_RegisterVariable(&snd_channel3volume);
- Cvar_RegisterVariable(&snd_channel4volume);
- Cvar_RegisterVariable(&snd_channel5volume);
- Cvar_RegisterVariable(&snd_channel6volume);
- Cvar_RegisterVariable(&snd_channel7volume);
- Cvar_RegisterVariable(&snd_attenuation_exponent);
- Cvar_RegisterVariable(&snd_attenuation_decibel);
- Cvar_RegisterVariable(&snd_spatialization_min_radius);
- Cvar_RegisterVariable(&snd_spatialization_max_radius);
- Cvar_RegisterVariable(&snd_spatialization_min);
- Cvar_RegisterVariable(&snd_spatialization_max);
- Cvar_RegisterVariable(&snd_spatialization_power);
- Cvar_RegisterVariable(&snd_spatialization_control);
- Cvar_RegisterVariable(&snd_spatialization_occlusion);
- Cvar_RegisterVariable(&snd_spatialization_prologic);
- Cvar_RegisterVariable(&snd_spatialization_prologic_frontangle);
- Cvar_RegisterVariable(&snd_speed);
- Cvar_RegisterVariable(&snd_width);
- Cvar_RegisterVariable(&snd_channels);
- Cvar_RegisterVariable(&snd_mutewhenidle);
- Cvar_RegisterVariable(&snd_maxchannelvolume);
- Cvar_RegisterVariable(&snd_softclip);
- Cvar_RegisterVariable(&snd_startloopingsounds);
- Cvar_RegisterVariable(&snd_startnonloopingsounds);
- Cvar_RegisterVariable(&snd_identicalsoundrandomization_time);
- Cvar_RegisterVariable(&snd_identicalsoundrandomization_tics);
- // COMMANDLINEOPTION: Sound: -nosound disables sound (including CD audio)
- if (COM_CheckParm("-nosound"))
- {
- // dummy out Play and Play2 because mods stuffcmd that
- Cmd_AddCommand("play", Host_NoOperation_f, "does nothing because -nosound was specified");
- Cmd_AddCommand("play2", Host_NoOperation_f, "does nothing because -nosound was specified");
- return;
- }
- snd_mempool = Mem_AllocPool("sound", 0, NULL);
- // COMMANDLINEOPTION: Sound: -simsound runs sound mixing but with no output
- if (COM_CheckParm("-simsound"))
- simsound = true;
- Cmd_AddCommand("play", S_Play_f, "play a sound at your current location (not heard by anyone else)");
- Cmd_AddCommand("play2", S_Play2_f, "play a sound globally throughout the level (not heard by anyone else)");
- Cmd_AddCommand("playvol", S_PlayVol_f, "play a sound at the specified volume level at your current location (not heard by anyone else)");
- Cmd_AddCommand("stopsound", S_StopAllSounds, "silence");
- Cmd_AddCommand("soundlist", S_SoundList_f, "list loaded sounds");
- Cmd_AddCommand("soundinfo", S_SoundInfo_f, "print sound system information (such as channels and speed)");
- Cmd_AddCommand("snd_restart", S_Restart_f, "restart sound system");
- Cmd_AddCommand("snd_unloadallsounds", S_UnloadAllSounds_f, "unload all sound files");
- Cvar_RegisterVariable(&nosound);
- Cvar_RegisterVariable(&snd_precache);
- Cvar_RegisterVariable(&snd_initialized);
- Cvar_RegisterVariable(&snd_streaming);
- Cvar_RegisterVariable(&snd_streaming_length);
- Cvar_RegisterVariable(&ambient_level);
- Cvar_RegisterVariable(&ambient_fade);
- Cvar_RegisterVariable(&snd_noextraupdate);
- Cvar_RegisterVariable(&snd_show);
- Cvar_RegisterVariable(&_snd_mixahead);
- Cvar_RegisterVariable(&snd_swapstereo); // for people with backwards sound wiring
- Cvar_RegisterVariable(&snd_channellayout);
- Cvar_RegisterVariable(&snd_soundradius);
- Cvar_SetValueQuick(&snd_initialized, true);
- known_sfx = NULL;
- total_channels = MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS; // no statics
- memset(channels, 0, MAX_CHANNELS * sizeof(channel_t));
- OGG_OpenLibrary ();
- }
- /*
- ================
- S_Terminate
- Shutdown and free all resources
- ================
- */
- void S_Terminate (void)
- {
- S_Shutdown ();
- OGG_CloseLibrary ();
- // Free all SFXs
- while (known_sfx != NULL)
- S_FreeSfx (known_sfx, true);
- Cvar_SetValueQuick (&snd_initialized, false);
- Mem_FreePool (&snd_mempool);
- }
- /*
- ==================
- S_UnloadAllSounds_f
- ==================
- */
- void S_UnloadAllSounds_f (void)
- {
- int i;
- // NOTE: we can't free all sounds if we are running a map (this frees sfx_t that are still referenced by precaches)
- // So, refuse to do this if we are connected.
- if(cls.state == ca_connected)
- {
- Con_Printf("snd_unloadallsounds would wreak havoc if you do that while connected!\n");
- return;
- }
- // stop any active sounds
- S_StopAllSounds();
- // because the ambient sounds will be freed, clear the pointers
- for (i = 0;i < (int)sizeof (ambient_sfxs) / (int)sizeof (ambient_sfxs[0]);i++)
- ambient_sfxs[i] = NULL;
- // now free all sounds
- while (known_sfx != NULL)
- S_FreeSfx (known_sfx, true);
- }
- /*
- ==================
- S_FindName
- ==================
- */
- sfx_t changevolume_sfx = {""};
- sfx_t *S_FindName (const char *name)
- {
- sfx_t *sfx;
- if (!snd_initialized.integer)
- return NULL;
- if(!strcmp(name, changevolume_sfx.name))
- return &changevolume_sfx;
- if (strlen (name) >= sizeof (sfx->name))
- {
- Con_Printf ("S_FindName: sound name too long (%s)\n", name);
- return NULL;
- }
- // Look for this sound in the list of known sfx
- // TODO: hash table search?
- for (sfx = known_sfx; sfx != NULL; sfx = sfx->next)
- if(!strcmp (sfx->name, name))
- return sfx;
- // check for # in the beginning, try lookup by soundindex
- if (name[0] == '#' && name[1])
- {
- int soundindex = atoi(name + 1);
- if (soundindex > 0 && soundindex < MAX_SOUNDS)
- if (cl.sound_precache[soundindex]->name[0])
- return cl.sound_precache[soundindex];
- }
- // Add a sfx_t struct for this sound
- sfx = (sfx_t *)Mem_Alloc (snd_mempool, sizeof (*sfx));
- memset (sfx, 0, sizeof(*sfx));
- strlcpy (sfx->name, name, sizeof (sfx->name));
- sfx->memsize = sizeof(*sfx);
- sfx->next = known_sfx;
- known_sfx = sfx;
- return sfx;
- }
- /*
- ==================
- S_FreeSfx
- ==================
- */
- void S_FreeSfx (sfx_t *sfx, qboolean force)
- {
- unsigned int i;
- // Do not free a precached sound during purge
- if (!force && (sfx->flags & (SFXFLAG_LEVELSOUND | SFXFLAG_MENUSOUND)))
- return;
- if (developer_loading.integer)
- Con_Printf ("unloading sound %s\n", sfx->name);
- // Remove it from the list of known sfx
- if (sfx == known_sfx)
- known_sfx = known_sfx->next;
- else
- {
- sfx_t *prev_sfx;
- for (prev_sfx = known_sfx; prev_sfx != NULL; prev_sfx = prev_sfx->next)
- if (prev_sfx->next == sfx)
- {
- prev_sfx->next = sfx->next;
- break;
- }
- if (prev_sfx == NULL)
- {
- Con_Printf ("S_FreeSfx: Can't find SFX %s in the list!\n", sfx->name);
- return;
- }
- }
- // Stop all channels using this sfx
- for (i = 0; i < total_channels; i++)
- {
- if (channels[i].sfx == sfx)
- {
- Con_Printf("S_FreeSfx: stopping channel %i for sfx \"%s\"\n", i, sfx->name);
- S_StopChannel (i, true, false);
- }
- }
- // Free it
- if (sfx->fetcher != NULL && sfx->fetcher->freesfx != NULL)
- sfx->fetcher->freesfx(sfx);
- Mem_Free (sfx);
- }
- /*
- ==================
- S_ClearUsed
- ==================
- */
- void S_ClearUsed (void)
- {
- sfx_t *sfx;
- // sfx_t *sfxnext;
- unsigned int i;
- // Start the ambient sounds and make them loop
- for (i = 0; i < sizeof (ambient_sfxs) / sizeof (ambient_sfxs[0]); i++)
- {
- // Precache it if it's not done (and pass false for levelsound because these are permanent)
- if (ambient_sfxs[i] == NULL)
- ambient_sfxs[i] = S_PrecacheSound (ambient_names[i], false, false);
- if (ambient_sfxs[i] != NULL)
- {
- channels[i].sfx = ambient_sfxs[i];
- channels[i].sfx->flags |= SFXFLAG_MENUSOUND;
- channels[i].flags |= CHANNELFLAG_FORCELOOP;
- channels[i].basevolume = 0.0f;
- channels[i].basespeed = channels[i].mixspeed = 1.0f;
- }
- }
- // Clear SFXFLAG_LEVELSOUND flag so that sounds not precached this level will be purged
- for (sfx = known_sfx; sfx != NULL; sfx = sfx->next)
- sfx->flags &= ~SFXFLAG_LEVELSOUND;
- }
- /*
- ==================
- S_PurgeUnused
- ==================
- */
- void S_PurgeUnused(void)
- {
- sfx_t *sfx;
- sfx_t *sfxnext;
- // Free all not-precached per-level sfx
- for (sfx = known_sfx;sfx;sfx = sfxnext)
- {
- sfxnext = sfx->next;
- if (!(sfx->flags & (SFXFLAG_LEVELSOUND | SFXFLAG_MENUSOUND)))
- S_FreeSfx (sfx, false);
- }
- }
- /*
- ==================
- S_PrecacheSound
- ==================
- */
- sfx_t *S_PrecacheSound (const char *name, qboolean complain, qboolean levelsound)
- {
- sfx_t *sfx;
- if (!snd_initialized.integer)
- return NULL;
- if (name == NULL || name[0] == 0)
- return NULL;
- sfx = S_FindName (name);
- if (sfx == NULL)
- return NULL;
- // clear the FILEMISSING flag so that S_LoadSound will try again on a
- // previously missing file
- sfx->flags &= ~ SFXFLAG_FILEMISSING;
- // set a flag to indicate this has been precached for this level or permanently
- if (levelsound)
- sfx->flags |= SFXFLAG_LEVELSOUND;
- else
- sfx->flags |= SFXFLAG_MENUSOUND;
- if (!nosound.integer && snd_precache.integer)
- S_LoadSound(sfx, complain);
- return sfx;
- }
- /*
- ==================
- S_SoundLength
- ==================
- */
- float S_SoundLength(const char *name)
- {
- sfx_t *sfx;
- if (!snd_initialized.integer)
- return -1;
- if (name == NULL || name[0] == 0)
- return -1;
- sfx = S_FindName(name);
- if (sfx == NULL)
- return -1;
- return sfx->total_length / (float) S_GetSoundRate();
- }
- /*
- ==================
- S_IsSoundPrecached
- ==================
- */
- qboolean S_IsSoundPrecached (const sfx_t *sfx)
- {
- return (sfx != NULL && sfx->fetcher != NULL) || (sfx == &changevolume_sfx);
- }
- /*
- ==================
- S_BlockSound
- ==================
- */
- void S_BlockSound (void)
- {
- snd_blocked++;
- }
- /*
- ==================
- S_UnblockSound
- ==================
- */
- void S_UnblockSound (void)
- {
- snd_blocked--;
- }
- /*
- =================
- SND_PickChannel
- Picks a channel based on priorities, empty slots, number of channels
- =================
- */
- static channel_t *SND_PickChannel(int entnum, int entchannel)
- {
- int ch_idx;
- int first_to_die;
- int first_life_left, life_left;
- channel_t* ch;
- sfx_t *sfx; // use this instead of ch->sfx->, because that is volatile.
- // Check for replacement sound, or find the best one to replace
- first_to_die = -1;
- first_life_left = 0x7fffffff;
- // entity channels try to replace the existing sound on the channel
- // channels <= 0 are autochannels
- if (IS_CHAN_SINGLE(entchannel))
- {
- for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++)
- {
- ch = &channels[ch_idx];
- if (ch->entnum == entnum && ch->entchannel == entchannel)
- {
- // always override sound from same entity
- S_StopChannel (ch_idx, true, false);
- return &channels[ch_idx];
- }
- }
- }
- // there was no channel to override, so look for the first empty one
- for (ch_idx=NUM_AMBIENTS ; ch_idx < NUM_AMBIENTS + MAX_DYNAMIC_CHANNELS ; ch_idx++)
- {
- ch = &channels[ch_idx];
- sfx = ch->sfx; // fetch the volatile variable
- if (!sfx)
- {
- // no sound on this channel
- first_to_die = ch_idx;
- goto emptychan_found;
- }
- // don't let monster sounds override player sounds
- if ((ch->entnum == cl.viewentity || ch->entnum == CL_VM_GetViewEntity()) && !(entnum == cl.viewentity || entnum == CL_VM_GetViewEntity()))
- continue;
- // don't override looped sounds
- if ((ch->flags & CHANNELFLAG_FORCELOOP) || sfx->loopstart < sfx->total_length)
- continue;
- life_left = (int)((double)sfx->total_length - ch->position);
- if (life_left < first_life_left)
- {
- first_life_left = life_left;
- first_to_die = ch_idx;
- }
- }
- if (first_to_die == -1)
- return NULL;
-
- S_StopChannel (first_to_die, true, false);
- emptychan_found:
- return &channels[first_to_die];
- }
- /*
- =================
- SND_Spatialize
- Spatializes a channel
- =================
- */
- extern cvar_t cl_gameplayfix_soundsmovewithentities;
- static void SND_Spatialize_WithSfx(channel_t *ch, qboolean isstatic, sfx_t *sfx)
- {
- int i;
- double f;
- float angle_side, angle_front, angle_factor, mixspeed;
- vec_t dist, mastervol, intensity;
- vec3_t source_vec;
- char vabuf[1024];
- // update sound origin if we know about the entity
- if (ch->entnum > 0 && cls.state == ca_connected && cl_gameplayfix_soundsmovewithentities.integer)
- {
- if (ch->entnum >= MAX_EDICTS)
- {
- //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]);
- if (ch->entnum > MAX_EDICTS)
- if (!CL_VM_GetEntitySoundOrigin(ch->entnum, ch->origin))
- ch->entnum = MAX_EDICTS; // entity was removed, disown sound
- }
- else if (cl.entities[ch->entnum].state_current.active)
- {
- dp_model_t *model;
- //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]);
- model = CL_GetModelByIndex(cl.entities[ch->entnum].state_current.modelindex);
- if (model && model->soundfromcenter)
- VectorMAM(0.5f, cl.entities[ch->entnum].render.mins, 0.5f, cl.entities[ch->entnum].render.maxs, ch->origin);
- else
- Matrix4x4_OriginFromMatrix(&cl.entities[ch->entnum].render.matrix, ch->origin);
- }
- else if (cl.csqc_server2csqcentitynumber[ch->entnum])
- {
- //Con_Printf("-- entnum %i (client %i) origin %f %f %f neworigin %f %f %f\n", ch->entnum, cl.csqc_server2csqcentitynumber[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]);
- if (!CL_VM_GetEntitySoundOrigin(cl.csqc_server2csqcentitynumber[ch->entnum] + MAX_EDICTS, ch->origin))
- ch->entnum = MAX_EDICTS; // entity was removed, disown sound
- }
- }
- mastervol = ch->basevolume;
- mixspeed = ch->basespeed;
- // TODO: implement doppler based on origin change relative to viewer and time of recent origin changes
- // Adjust volume of static sounds
- if (isstatic)
- mastervol *= snd_staticvolume.value;
- else if(!(ch->flags & CHANNELFLAG_FULLVOLUME)) // same as SND_PaintChannel uses
- {
- // old legacy separated cvars
- if(ch->entnum >= MAX_EDICTS)
- {
- switch(ch->entchannel)
- {
- case 0: mastervol *= snd_csqcchannel0volume.value; break;
- case 1: mastervol *= snd_csqcchannel1volume.value; break;
- case 2: mastervol *= snd_csqcchannel2volume.value; break;
- case 3: mastervol *= snd_csqcchannel3volume.value; break;
- case 4: mastervol *= snd_csqcchannel4volume.value; break;
- case 5: mastervol *= snd_csqcchannel5volume.value; break;
- case 6: mastervol *= snd_csqcchannel6volume.value; break;
- case 7: mastervol *= snd_csqcchannel7volume.value; break;
- default: break;
- }
- }
- else if(ch->entnum == 0)
- {
- switch(ch->entchannel)
- {
- case 0: mastervol *= snd_worldchannel0volume.value; break;
- case 1: mastervol *= snd_worldchannel1volume.value; break;
- case 2: mastervol *= snd_worldchannel2volume.value; break;
- case 3: mastervol *= snd_worldchannel3volume.value; break;
- case 4: mastervol *= snd_worldchannel4volume.value; break;
- case 5: mastervol *= snd_worldchannel5volume.value; break;
- case 6: mastervol *= snd_worldchannel6volume.value; break;
- case 7: mastervol *= snd_worldchannel7volume.value; break;
- default: break;
- }
- }
- else if(ch->entnum > 0 && ch->entnum <= cl.maxclients)
- {
- switch(ch->entchannel)
- {
- case 0: mastervol *= snd_playerchannel0volume.value; break;
- case 1: mastervol *= snd_playerchannel1volume.value; break;
- case 2: mastervol *= snd_playerchannel2volume.value; break;
- case 3: mastervol *= snd_playerchannel3volume.value; break;
- case 4: mastervol *= snd_playerchannel4volume.value; break;
- case 5: mastervol *= snd_playerchannel5volume.value; break;
- case 6: mastervol *= snd_playerchannel6volume.value; break;
- case 7: mastervol *= snd_playerchannel7volume.value; break;
- default: break;
- }
- }
- else
- {
- switch(ch->entchannel)
- {
- case 0: mastervol *= snd_entchannel0volume.value; break;
- case 1: mastervol *= snd_entchannel1volume.value; break;
- case 2: mastervol *= snd_entchannel2volume.value; break;
- case 3: mastervol *= snd_entchannel3volume.value; break;
- case 4: mastervol *= snd_entchannel4volume.value; break;
- case 5: mastervol *= snd_entchannel5volume.value; break;
- case 6: mastervol *= snd_entchannel6volume.value; break;
- case 7: mastervol *= snd_entchannel7volume.value; break;
- default: break;
- }
- }
- switch(ch->entchannel)
- {
- case 0: mastervol *= snd_channel0volume.value; break;
- case 1: mastervol *= snd_channel1volume.value; break;
- case 2: mastervol *= snd_channel2volume.value; break;
- case 3: mastervol *= snd_channel3volume.value; break;
- case 4: mastervol *= snd_channel4volume.value; break;
- case 5: mastervol *= snd_channel5volume.value; break;
- case 6: mastervol *= snd_channel6volume.value; break;
- case 7: m…
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