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Diffstat (limited to 'apps/plugins/sdl/progs/quake/quakesound.h')
| -rw-r--r-- | apps/plugins/sdl/progs/quake/quakesound.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/apps/plugins/sdl/progs/quake/quakesound.h b/apps/plugins/sdl/progs/quake/quakesound.h new file mode 100644 index 0000000..1ba08d3 --- /dev/null +++ b/apps/plugins/sdl/progs/quake/quakesound.h @@ -0,0 +1,177 @@ +/* +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. + +*/ +// sound.h -- client sound i/o functions + +#ifndef __SOUND__ +#define __SOUND__ + +#define DEFAULT_SOUND_PACKET_VOLUME 255 +#define DEFAULT_SOUND_PACKET_ATTENUATION 1.0 + +// !!! if this is changed, it much be changed in asm_i386.h too !!! +typedef struct +{ + int left; + int right; +} portable_samplepair_t; + +typedef struct sfx_s +{ + char name[MAX_QPATH]; + cache_user_t cache; +} sfx_t; + +// !!! if this is changed, it much be changed in asm_i386.h too !!! +typedef struct +{ + int length; + int loopstart; + int speed; + int width; + int stereo; + byte data[1]; // variable sized +} sfxcache_t; + +typedef struct +{ + qboolean gamealive; + qboolean soundalive; + qboolean splitbuffer; + int channels; + int samples; // mono samples in buffer + int submission_chunk; // don't mix less than this # + int samplepos; // in mono samples + int samplebits; + int speed; + unsigned char *buffer; +} dma_t; + +// !!! if this is changed, it much be changed in asm_i386.h too !!! +typedef struct +{ + sfx_t *sfx; // sfx number + int leftvol; // 0-255 volume + int rightvol; // 0-255 volume + int end; // end time in global paintsamples + int pos; // sample position in sfx + int looping; // where to loop, -1 = no looping + int entnum; // to allow overriding a specific sound + int entchannel; // + vec3_t origin; // origin of sound effect + vec_t dist_mult; // distance multiplier (attenuation/clipK) + int master_vol; // 0-255 master volume +} channel_t; + +typedef struct +{ + int rate; + int width; + int channels; + int loopstart; + int samples; + int dataofs; // chunk starts this many bytes from file start +} wavinfo_t; + +void S_Init (void); +void S_Startup (void); +void S_Shutdown (void); +void S_StartSound (int entnum, int entchannel, sfx_t *sfx, vec3_t origin, float fvol, float attenuation); +void S_StaticSound (sfx_t *sfx, vec3_t origin, float vol, float attenuation); +void S_StopSound (int entnum, int entchannel); +void S_StopAllSounds(qboolean clear); +void S_ClearBuffer (void); +void S_Update (vec3_t origin, vec3_t v_forward, vec3_t v_right, vec3_t v_up); +void S_ExtraUpdate (void); + +sfx_t *S_PrecacheSound (char *sample); +void S_TouchSound (char *sample); +void S_ClearPrecache (void); +void S_BeginPrecaching (void); +void S_EndPrecaching (void); +void S_PaintChannels(int endtime); +void S_InitPaintChannels (void); + +// picks a channel based on priorities, empty slots, number of channels +channel_t *SND_PickChannel(int entnum, int entchannel); + +// spatializes a channel +void SND_Spatialize(channel_t *ch); + +// initializes cycling through a DMA buffer and returns information on it +qboolean SNDDMA_Init(void); + +// gets the current DMA position +int SNDDMA_GetDMAPos(void); + +// shutdown the DMA xfer. +void SNDDMA_Shutdown(void); + +// ==================================================================== +// User-setable variables +// ==================================================================== + +#define MAX_CHANNELS 128 +#define MAX_DYNAMIC_CHANNELS 8 + + +extern channel_t channels[MAX_CHANNELS]; +// 0 to MAX_DYNAMIC_CHANNELS-1 = normal entity sounds +// MAX_DYNAMIC_CHANNELS to MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS -1 = water, etc +// MAX_DYNAMIC_CHANNELS + NUM_AMBIENTS to total_channels = static sounds + +extern int total_channels; + +// +// Fake dma is a synchronous faking of the DMA progress used for +// isolating performance in the renderer. The fakedma_updates is +// number of times S_Update() is called per second. +// + +extern qboolean fakedma; +extern int fakedma_updates; +extern int paintedtime; +extern vec3_t listener_origin; +extern vec3_t listener_forward; +extern vec3_t listener_right; +extern vec3_t listener_up; +extern volatile dma_t *shm; +extern volatile dma_t sn; +extern vec_t sound_nominal_clip_dist; + +extern cvar_t loadas8bit; +extern cvar_t bgmvolume; +extern cvar_t volume; + +extern qboolean snd_initialized; + +extern int snd_blocked; + +void S_LocalSound (char *s); +sfxcache_t *S_LoadSound (sfx_t *s); + +wavinfo_t GetWavinfo (char *name, byte *wav, int wavlength); + +void SND_InitScaletable (void); +void SNDDMA_Submit(void); + +void S_AmbientOff (void); +void S_AmbientOn (void); + +#endif |