mirror of
https://github.com/DrBeef/QuakeQuest.git
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120 lines
4.3 KiB
C
120 lines
4.3 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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#ifndef SOUND_H
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#define SOUND_H
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#include "matrixlib.h"
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// ====================================================================
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// Constants
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// ====================================================================
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#define DEFAULT_SOUND_PACKET_VOLUME 255
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#define DEFAULT_SOUND_PACKET_ATTENUATION 1.0
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// Channel flags
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// These channel flags can be used for sound() builtins, with SOUNDFLAG_* names
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#define CHANNELFLAG_NONE 0
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#define CHANNELFLAG_RELIABLE (1 << 0) // send as reliable message (only used on server)
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#define CHANNELFLAG_FORCELOOP (1 << 1) // force looping even if the sound is not looped
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#define CHANNELFLAG_LOCALSOUND (1 << 2) // INTERNAL USE. Not settable by S_SetChannelFlag
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#define CHANNELFLAG_PAUSED (1 << 3) // pause status
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#define CHANNELFLAG_FULLVOLUME (1 << 4) // isn't affected by the general volume
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// ====================================================================
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// Types and variables
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// ====================================================================
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typedef struct sfx_s sfx_t;
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extern cvar_t mastervolume;
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extern cvar_t bgmvolume;
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extern cvar_t volume;
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extern cvar_t snd_initialized;
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extern cvar_t snd_staticvolume;
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extern cvar_t snd_mutewhenidle;
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// ====================================================================
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// Functions
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// ====================================================================
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void S_Init (void);
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void S_Terminate (void);
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void S_Startup (void);
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void S_Shutdown (void);
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void S_UnloadAllSounds_f (void);
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void S_Update(const matrix4x4_t *listenermatrix);
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void S_ExtraUpdate (void);
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sfx_t *S_PrecacheSound (const char *sample, qboolean complain, qboolean levelsound);
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float S_SoundLength(const char *name);
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void S_ClearUsed (void);
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void S_PurgeUnused (void);
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qboolean S_IsSoundPrecached (const sfx_t *sfx);
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sfx_t *S_FindName(const char *name);
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// these define the "engine" channel namespace
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#define CHAN_MIN_AUTO -128
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#define CHAN_MAX_AUTO 0
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#define CHAN_MIN_SINGLE 1
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#define CHAN_MAX_SINGLE 127
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#define IS_CHAN_AUTO(n) ((n) >= CHAN_MIN_AUTO && (n) <= CHAN_MAX_AUTO)
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#define IS_CHAN_SINGLE(n) ((n) >= CHAN_MIN_SINGLE && (n) <= CHAN_MAX_SINGLE)
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#define IS_CHAN(n) (IS_CHAN_AUTO(n) || IS_CHAN_SINGLE(n))
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// engine channel == network channel
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#define CHAN_ENGINE2NET(c) (c)
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#define CHAN_NET2ENGINE(c) (c)
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// engine view of channel encodes the auto flag into the channel number (see CHAN_ constants below)
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// user view uses the flags bitmask for it
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#define CHAN_USER2ENGINE(c) (c)
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#define CHAN_ENGINE2USER(c) (c)
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#define CHAN_ENGINE2CVAR(c) (abs(c))
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// S_StartSound returns the channel index, or -1 if an error occurred
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int S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation);
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int S_StartSound_StartPosition_Flags (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation, float startposition, int flags, float fspeed);
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qboolean S_LocalSound (const char *s);
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void S_StaticSound (sfx_t *sfx, vec3_t origin, float fvol, float attenuation);
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void S_StopSound (int entnum, int entchannel);
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void S_StopAllSounds (void);
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void S_PauseGameSounds (qboolean toggle);
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void S_StopChannel (unsigned int channel_ind, qboolean lockmutex, qboolean freesfx);
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qboolean S_SetChannelFlag (unsigned int ch_ind, unsigned int flag, qboolean value);
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void S_SetChannelVolume (unsigned int ch_ind, float fvol);
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void S_SetChannelSpeed (unsigned int ch_ind, float fspeed);
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float S_GetChannelPosition (unsigned int ch_ind);
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float S_GetEntChannelPosition(int entnum, int entchannel);
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void S_BlockSound (void);
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void S_UnblockSound (void);
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int S_GetSoundRate (void);
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int S_GetSoundChannels (void);
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#endif
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