134 lines
4.0 KiB
C
134 lines
4.0 KiB
C
/*
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snd_render.h
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Sound renderer plugin stuff
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Copyright (C) 2002 Bill Currie
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Author: Bill Currie <bill@taniwha.org>
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Date: Jan 31 2003
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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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifndef __snd_render_h
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#define __snd_render_h
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// !!! if this is changed, it must be changed in asm_i386.h too !!!
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typedef struct
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{
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int left;
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int right;
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} portable_samplepair_t;
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// !!! if this is changed, it much be changed in asm_i386.h too !!!
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typedef struct
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{
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int length;
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int loopstart;
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int speed;
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int width;
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int stereo;
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int bytes;
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byte data[4]; // variable sized
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} sfxcache_t;
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// !!! if this is changed, it much be changed in asm_i386.h too !!!
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typedef struct
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{
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sfx_t *sfx; // sfx number
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int leftvol; // 0-255 volume
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int rightvol; // 0-255 volume
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int end; // end time in global paintsamples
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int pos; // sample position in sfx
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int looping; // where to loop, -1 = no looping
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int entnum; // to allow overriding a specific sound
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int entchannel; //
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vec3_t origin; // origin of sound effect
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vec_t dist_mult; // distance multiplier (attenuation/clipK)
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int master_vol; // 0-255 master volume
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int phase; // phase shift between l-r in samples
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int oldphase; // phase shift between l-r in samples
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} channel_t;
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typedef struct
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{
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int rate;
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int width;
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int channels;
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int loopstart;
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int samples;
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int dataofs; // chunk starts this many bytes from file start
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} wavinfo_t;
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void SND_PaintChannels(int endtime);
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void SND_Init (void);
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void SND_Shutdown (void);
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void SND_AmbientOff (void);
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void SND_AmbientOn (void);
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void SND_TouchSound (const char *sample);
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void SND_ClearBuffer (void);
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void SND_StaticSound (sfx_t *sfx, const vec3_t origin, float vol,
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float attenuation);
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void SND_StartSound (int entnum, int entchannel, sfx_t *sfx,
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const vec3_t origin, float fvol, float attenuation);
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void SND_StopSound (int entnum, int entchannel);
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sfx_t *SND_PrecacheSound (const char *sample);
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void SND_ClearPrecache (void);
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void SND_Update (const vec3_t origin, const vec3_t v_forward,
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const vec3_t v_right, const vec3_t v_up);
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void SND_StopAllSounds (qboolean clear);
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void SND_BeginPrecaching (void);
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void SND_EndPrecaching (void);
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void SND_ExtraUpdate (void);
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void SND_LocalSound (const char *s);
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void SND_BlockSound (void);
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void SND_UnblockSound (void);
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void SND_ResampleSfx (sfxcache_t *sc, byte * data);
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sfxcache_t *SND_GetCache (long samples, int rate, int inwidth, int channels,
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sfx_t *sfx, cache_allocator_t allocator);
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void SND_InitScaletable (void);
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// picks a channel based on priorities, empty slots, number of channels
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channel_t *SND_PickChannel(int entnum, int entchannel);
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// spatializes a channel
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void SND_Spatialize(channel_t *ch);
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void SND_CallbackLoad (void *object, cache_allocator_t allocator);
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sfxcache_t *SND_LoadOgg (QFile *file, sfx_t *sfx, cache_allocator_t allocator);
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wavinfo_t SND_GetWavinfo (const char *name, byte * wav, int wavlength);
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void SND_WriteLinearBlastStereo16 (void);
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void SND_PaintChannelFrom8 (channel_t *ch, sfxcache_t *sc, int count);
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void SND_PaintChannelFrom16 (channel_t *ch, sfxcache_t *sc, int count);
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wavinfo_t GetWavinfo (const char *name, byte *wav, int wavlength);
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extern channel_t channels[MAX_CHANNELS];
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// 0 to MAX_DYNAMIC_CHANNELS-1 = normal entity sounds
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// MAX_DYNAMIC_CHANNELS to MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS -1 = water, etc
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// MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS to total_channels = static sounds
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extern int total_channels;
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#endif//__snd_render_h
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