976 lines
24 KiB
C
976 lines
24 KiB
C
//=======================================================================
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// Copyright XashXT Group 2007 ©
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// s_main.c - sound engine
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//=======================================================================
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#include "sound.h"
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#include "const.h"
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#include "trace_def.h"
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#define MAX_PLAYSOUNDS 256
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#define MAX_CHANNELS 64
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#define CSXROOM 29
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typedef struct
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{
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int dwEnvironment;
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float fVolume;
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float fDecay;
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float fDamping;
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} dsproom_t;
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static soundfade_t soundfade;
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static playSound_t s_playSounds[MAX_PLAYSOUNDS];
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static playSound_t s_freePlaySounds;
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static playSound_t s_pendingPlaySounds;
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static channel_t s_channels[MAX_CHANNELS];
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static listener_t s_listener;
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const guid_t DSPROPSETID_EAX20_ListenerProperties = {0x306a6a8, 0xb224, 0x11d2, {0x99, 0xe5, 0x0, 0x0, 0xe8, 0xd8, 0xc7, 0x22}};
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const guid_t DSPROPSETID_EAX20_BufferProperties = {0x306a6a7, 0xb224, 0x11d2, {0x99, 0xe5, 0x0, 0x0, 0xe8, 0xd8, 0xc7, 0x22}};
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const dsproom_t eax_preset[CSXROOM] =
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{
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{ EAX_ENVIRONMENT_GENERIC, 0.0F, 0.0F, 0.0F },
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{ EAX_ENVIRONMENT_ROOM, 0.417F, 0.4F, 0.666F },
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{ EAX_ENVIRONMENT_BATHROOM, 0.3F, 1.499F, 0.166F },
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{ EAX_ENVIRONMENT_BATHROOM, 0.4F, 1.499F, 0.166F },
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{ EAX_ENVIRONMENT_BATHROOM, 0.6F, 1.499F, 0.166F },
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{ EAX_ENVIRONMENT_SEWERPIPE, 0.4F, 2.886F, 0.25F },
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{ EAX_ENVIRONMENT_SEWERPIPE, 0.6F, 2.886F, 0.25F },
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{ EAX_ENVIRONMENT_SEWERPIPE, 0.8F, 2.886F, 0.25F },
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{ EAX_ENVIRONMENT_STONEROOM, 0.5F, 2.309F, 0.888F },
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{ EAX_ENVIRONMENT_STONEROOM, 0.65F, 2.309F, 0.888F },
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{ EAX_ENVIRONMENT_STONEROOM, 0.8F, 2.309F, 0.888F },
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{ EAX_ENVIRONMENT_STONECORRIDOR, 0.3F, 2.697F, 0.638F },
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{ EAX_ENVIRONMENT_STONECORRIDOR, 0.5F, 2.697F, 0.638F },
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{ EAX_ENVIRONMENT_STONECORRIDOR, 0.65F, 2.697F, 0.638F },
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{ EAX_ENVIRONMENT_UNDERWATER, 1.0F, 1.499F, 0.0F },
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{ EAX_ENVIRONMENT_UNDERWATER, 1.0F, 2.499F, 0.0F },
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{ EAX_ENVIRONMENT_UNDERWATER, 1.0F, 3.499F, 0.0F },
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{ EAX_ENVIRONMENT_GENERIC, 0.65F, 1.493F, 0.5F },
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{ EAX_ENVIRONMENT_GENERIC, 0.85F, 1.493F, 0.5F },
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{ EAX_ENVIRONMENT_GENERIC, 1.0F, 1.493F, 0.5F },
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{ EAX_ENVIRONMENT_ARENA, 0.40F, 7.284F, 0.332F },
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{ EAX_ENVIRONMENT_ARENA, 0.55F, 7.284F, 0.332F },
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{ EAX_ENVIRONMENT_ARENA, 0.70F, 7.284F, 0.332F },
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{ EAX_ENVIRONMENT_CONCERTHALL, 0.5F, 3.961F, 0.5F },
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{ EAX_ENVIRONMENT_CONCERTHALL, 0.7F, 3.961F, 0.5F },
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{ EAX_ENVIRONMENT_CONCERTHALL, 1.0F, 3.961F, 0.5F },
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{ EAX_ENVIRONMENT_DIZZY, 0.2F, 17.234F, 0.666F },
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{ EAX_ENVIRONMENT_DIZZY, 0.3F, 17.234F, 0.666F },
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{ EAX_ENVIRONMENT_DIZZY, 0.4F, 17.234F, 0.666F },
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};
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cvar_t *host_sound;
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cvar_t *s_alDevice;
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cvar_t *s_allowEAX;
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cvar_t *s_allowA3D;
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cvar_t *s_check_errors;
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cvar_t *s_volume; // master volume
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cvar_t *s_musicvolume; // background track volume
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cvar_t *s_room_type;
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cvar_t *s_minDistance;
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cvar_t *s_maxDistance;
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cvar_t *s_rolloffFactor;
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cvar_t *s_dopplerFactor;
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cvar_t *s_dopplerVelocity;
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/*
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=================
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S_CheckForErrors
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=================
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*/
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bool S_CheckForErrors( void )
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{
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int err;
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char *str;
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if( !s_check_errors->integer )
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return false;
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if((err = palGetError()) == AL_NO_ERROR)
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return false;
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switch( err )
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{
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case AL_INVALID_NAME:
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str = "AL_INVALID_NAME";
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break;
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case AL_INVALID_ENUM:
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str = "AL_INVALID_ENUM";
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break;
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case AL_INVALID_VALUE:
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str = "AL_INVALID_VALUE";
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break;
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case AL_INVALID_OPERATION:
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str = "AL_INVALID_OPERATION";
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break;
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case AL_OUT_OF_MEMORY:
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str = "AL_OUT_OF_MEMORY";
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break;
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default:
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str = "UNKNOWN ERROR";
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break;
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}
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if( al_state.active )
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Host_Error( "S_CheckForErrors: %s\n", str );
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else MsgDev( D_ERROR, "S_CheckForErrors: %s\n", str );
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return true;
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}
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/*
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=================
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S_GetMasterVolume
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=================
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*/
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float S_GetMasterVolume( void )
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{
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float scale = 1.0f;
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if( soundfade.percent != 0 )
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{
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scale = bound( 0.0f, soundfade.percent / 100.0f, 1.0f );
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scale = 1.0f - scale;
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}
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return s_volume->value * scale;
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}
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/*
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=================
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S_FadeClientVolume
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=================
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*/
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void S_FadeClientVolume( float fadePercent, float fadeOutSeconds, float holdTime, float fadeInSeconds )
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{
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soundfade.starttime = si.GetServerTime() * 0.001f;
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soundfade.initial_percent = fadePercent;
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soundfade.fadeouttime = fadeOutSeconds;
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soundfade.holdtime = holdTime;
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soundfade.fadeintime = fadeInSeconds;
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}
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/*
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=================
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S_UpdateSoundFade
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=================
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*/
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void S_UpdateSoundFade( void )
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{
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float f, totaltime, elapsed;
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// determine current fade value.
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// assume no fading remains
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soundfade.percent = 0;
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totaltime = soundfade.fadeouttime + soundfade.fadeintime + soundfade.holdtime;
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elapsed = (si.GetServerTime() * 0.001f) - soundfade.starttime;
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// clock wrapped or reset (BUG) or we've gone far enough
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if( elapsed < 0.0f || elapsed >= totaltime || totaltime <= 0.0f )
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return;
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// We are in the fade time, so determine amount of fade.
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if( soundfade.fadeouttime > 0.0f && ( elapsed < soundfade.fadeouttime ))
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{
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// ramp up
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f = elapsed / soundfade.fadeouttime;
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}
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else if( elapsed <= ( soundfade.fadeouttime + soundfade.holdtime )) // Inside the hold time
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{
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// stay
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f = 1.0f;
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}
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else
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{
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// ramp down
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f = ( elapsed - ( soundfade.fadeouttime + soundfade.holdtime ) ) / soundfade.fadeintime;
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f = 1.0f - f; // backward interpolated...
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}
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// spline it.
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f = SimpleSpline( f );
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f = bound( 0.0f, f, 1.0f );
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soundfade.percent = soundfade.initial_percent * f;
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}
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/*
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=================
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S_AllocChannels
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=================
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*/
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static void S_AllocChannels( void )
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{
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channel_t *ch;
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int i;
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for( i = 0, ch = s_channels; i < MAX_CHANNELS; i++, ch++)
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{
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palGenSources( 1, &ch->sourceNum );
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if( palGetError() != AL_NO_ERROR )
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break;
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al_state.num_channels++;
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}
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}
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/*
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=================
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S_FreeChannels
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=================
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*/
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static void S_FreeChannels( void )
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{
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channel_t *ch;
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int i;
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for( i = 0, ch = s_channels; i < al_state.num_channels; i++, ch++ )
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{
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palDeleteSources(1, &ch->sourceNum);
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Mem_Set(ch, 0, sizeof(*ch));
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}
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al_state.num_channels = 0;
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}
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/*
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=================
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S_ChannelState
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=================
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*/
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static int S_ChannelState( channel_t *ch )
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{
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int state;
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palGetSourcei( ch->sourceNum, AL_SOURCE_STATE, &state );
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return state;
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}
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/*
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=================
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S_StopChannel
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=================
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*/
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static void S_StopChannel( channel_t *ch )
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{
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ch->sfx = NULL;
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palSourceStop( ch->sourceNum );
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palSourcei( ch->sourceNum, AL_BUFFER, 0 );
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}
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/*
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=================
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S_PlayChannel
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=================
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*/
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static void S_PlayChannel( channel_t *ch, sfx_t *sfx )
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{
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ch->sfx = sfx;
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palSourcei( ch->sourceNum, AL_BUFFER, sfx->bufferNum );
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palSourcei( ch->sourceNum, AL_LOOPING, ch->loopsound );
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palSourcei( ch->sourceNum, AL_SOURCE_RELATIVE, false );
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palSourcei( ch->sourceNum, AL_SAMPLE_OFFSET, 0 );
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if( ch->loopstart >= 0 )
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{
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// kill any looping sounds
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if( al_state.paused )
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{
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palSourceStop( ch->sourceNum );
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return;
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}
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if( ch->state == CHAN_FIRSTPLAY ) ch->state = CHAN_LOOPED;
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else if( ch->state == CHAN_LOOPED ) palSourcei( ch->sourceNum, AL_SAMPLE_OFFSET, sfx->loopstart );
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}
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palSourcePlay( ch->sourceNum );
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}
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/*
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=================
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S_SpatializeChannel
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=================
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*/
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static void S_SpatializeChannel( channel_t *ch )
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{
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vec3_t position, velocity;
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// update position and velocity
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if( ch->entnum == al_state.clientnum || !ch->distanceMult )
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{
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palSourcefv(ch->sourceNum, AL_POSITION, s_listener.position);
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palSourcefv(ch->sourceNum, AL_VELOCITY, s_listener.velocity);
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}
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else
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{
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if( ch->fixedPosition )
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{
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palSource3f(ch->sourceNum, AL_POSITION, ch->position[1], ch->position[2], -ch->position[0]);
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palSource3f(ch->sourceNum, AL_VELOCITY, 0, 0, 0);
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}
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else
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{
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if( ch->loopsound ) si.GetSoundSpatialization( ch->loopnum, position, velocity );
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else si.GetSoundSpatialization( ch->entnum, position, velocity );
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palSource3f( ch->sourceNum, AL_POSITION, position[1], position[2], -position[0] );
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palSource3f( ch->sourceNum, AL_VELOCITY, velocity[1], velocity[2], -velocity[0] );
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}
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}
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// update min/max distance
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if( ch->distanceMult )
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palSourcef( ch->sourceNum, AL_REFERENCE_DISTANCE, s_minDistance->value * ch->distanceMult );
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else palSourcef( ch->sourceNum, AL_REFERENCE_DISTANCE, s_maxDistance->value );
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palSourcef( ch->sourceNum, AL_MAX_DISTANCE, s_maxDistance->value );
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// update volume and rolloff factor
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palSourcef( ch->sourceNum, AL_GAIN, ch->volume );
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palSourcef( ch->sourceNum, AL_PITCH, ch->pitch );
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palSourcef( ch->sourceNum, AL_ROLLOFF_FACTOR, s_rolloffFactor->value );
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}
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/*
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=================
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S_PickChannel
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Tries to find a free channel, or tries to replace an active channel
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=================
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*/
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channel_t *S_PickChannel( int entnum, int channel )
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{
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channel_t *ch;
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int i;
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int firstToDie = -1;
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float oldestTime = Sys_DoubleTime();
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if( entnum < 0 || channel < 0 ) return NULL; // invalid channel or entnum
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for( i = 0, ch = s_channels; i < al_state.num_channels; i++, ch++ )
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{
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// don't let game sounds override streaming sounds
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if( ch->streaming ) continue;
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// check if this channel is active
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if( channel == CHAN_AUTO && !ch->sfx )
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{
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// free channel
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firstToDie = i;
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break;
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}
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// channel 0 never overrides
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if( channel != CHAN_AUTO && (ch->entnum == entnum && ch->entchannel == channel))
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{
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// always override sound from same entity
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firstToDie = i;
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break;
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}
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// don't let monster sounds override player sounds
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if( entnum != al_state.clientnum && ch->entnum == al_state.clientnum )
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continue;
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// replace the oldest sound
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if( ch->startTime < oldestTime )
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{
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oldestTime = ch->startTime;
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firstToDie = i;
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}
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}
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if( firstToDie == -1 ) return NULL;
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ch = &s_channels[firstToDie];
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ch->entnum = entnum;
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ch->entchannel = channel;
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ch->startTime = Sys_DoubleTime();
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ch->state = CHAN_NORMAL; // remove any loop sound
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ch->loopsound = false; // clear loopstate
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ch->loopstart = -1;
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// make sure this channel is stopped
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S_StopChannel( ch );
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return ch;
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}
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/*
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=================
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S_AddLoopingSounds
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Entities with a sound field will generate looping sounds that are
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automatically started and stopped as the entities are sent to the
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client
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=================
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*/
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bool S_AddLoopingSound( int entnum, sound_t handle, float volume, float attn )
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{
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channel_t *ch;
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sfx_t *sfx = NULL;
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int i;
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if(!al_state.initialized )
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return false;
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sfx = S_GetSfxByHandle( handle );
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// default looped sound it's terrible :)
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if( !sfx || !sfx->loaded || sfx->default_sound )
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return false;
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// if this entity is already playing the same sound effect on an
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// active channel, then simply update it
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for( i = 0, ch = s_channels; i < al_state.num_channels; i++, ch++ )
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{
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if( ch->sfx != sfx ) continue;
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if( !ch->loopsound ) continue;
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if( ch->loopnum != entnum ) continue;
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if( ch->loopframe + 1 != al_state.framecount )
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continue;
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ch->loopframe = al_state.framecount;
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break;
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}
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if( i != al_state.num_channels )
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return false;
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// otherwise pick a channel and start the sound effect
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ch = S_PickChannel( 0, 0 );
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if( !ch )
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{
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MsgDev( D_ERROR, "dropped sound \"sound/%s\"\n", sfx->name );
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return false;
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}
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ch->loopsound = true;
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ch->loopnum = entnum;
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ch->loopframe = al_state.framecount;
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ch->fixedPosition = false;
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ch->volume = 1.0f;
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ch->pitch = 1.0f;
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ch->distanceMult = 1.0f / ATTN_NORM;
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S_SpatializeChannel( ch );
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S_PlayChannel( ch, sfx );
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return true;
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}
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/*
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=================
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S_AllocPlaySound
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=================
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*/
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static playSound_t *S_AllocPlaySound( void )
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{
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playSound_t *ps;
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ps = s_freePlaySounds.next;
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if( ps == &s_freePlaySounds )
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return NULL; // No free playSounds
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// unlink from freelist
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ps->prev->next = ps->next;
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ps->next->prev = ps->prev;
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return ps;
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}
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/*
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=================
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S_FreePlaySound
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=================
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*/
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static void S_FreePlaySound( playSound_t *ps )
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{
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// unlink from channel
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ps->prev->next = ps->next;
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ps->next->prev = ps->prev;
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// add to free list
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ps->next = s_freePlaySounds.next;
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s_freePlaySounds.next->prev = ps;
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ps->prev = &s_freePlaySounds;
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s_freePlaySounds.next = ps;
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}
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|
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/*
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=================
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S_IssuePlaySounds
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Take all the pending playSounds and begin playing them.
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This is never called directly by S_Start*, but only by the update loop.
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=================
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*/
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static void S_IssuePlaySounds( void )
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{
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playSound_t *ps;
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channel_t *ch;
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while( 1 )
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{
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ps = s_pendingPlaySounds.next;
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if( ps == &s_pendingPlaySounds )
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break; // no more pending playSounds
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if( ps->beginTime > Sys_DoubleTime( ))
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break; // No more pending playSounds this frame
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// pick a channel and start the sound effect
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ch = S_PickChannel( ps->entnum, ps->entchannel );
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if( !ch )
|
|
{
|
|
if( ps->sfx->name[0] == '#' ) MsgDev( D_ERROR, "dropped sound %s\n", &ps->sfx->name[1] );
|
|
else MsgDev( D_ERROR, "dropped sound \"sound/%s\"\n", ps->sfx->name );
|
|
S_FreePlaySound( ps );
|
|
continue;
|
|
}
|
|
|
|
// check for looping sounds with "cue " marker
|
|
if( ps->use_loop && ps->sfx->loopstart >= 0 )
|
|
{
|
|
// jump to loopstart at next playing
|
|
ch->state = CHAN_FIRSTPLAY;
|
|
ch->loopstart = ps->sfx->loopstart;
|
|
}
|
|
|
|
ch->fixedPosition = ps->fixedPosition;
|
|
VectorCopy( ps->position, ch->position );
|
|
ch->volume = ps->volume;
|
|
ch->pitch = ps->pitch;
|
|
|
|
if( ps->attenuation != ATTN_NONE ) ch->distanceMult = 1.0 / ps->attenuation;
|
|
else ch->distanceMult = 0.0;
|
|
|
|
S_SpatializeChannel( ch );
|
|
S_PlayChannel( ch, ps->sfx );
|
|
|
|
// free the playSound
|
|
S_FreePlaySound( ps );
|
|
}
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_StartSound
|
|
|
|
Validates the parms and queues the sound up.
|
|
if origin is NULL, the sound will be dynamically sourced from the entity.
|
|
entchannel 0 will never override a playing sound.
|
|
=================
|
|
*/
|
|
void S_StartSound( const vec3_t pos, int entnum, int channel, sound_t handle, float vol, float attn, float pitch, int flags )
|
|
{
|
|
playSound_t *ps, *sort;
|
|
sfx_t *sfx = NULL;
|
|
|
|
if( !al_state.initialized )
|
|
return;
|
|
sfx = S_GetSfxByHandle( handle );
|
|
if( !sfx ) return;
|
|
|
|
// make sure the sound is loaded
|
|
if( !S_LoadSound( sfx ))
|
|
return;
|
|
|
|
// allocate a playSound
|
|
ps = S_AllocPlaySound();
|
|
if( !ps )
|
|
{
|
|
if( sfx->name[0] == '#' ) MsgDev( D_ERROR, "dropped sound %s\n", &sfx->name[1] );
|
|
else MsgDev( D_ERROR, "dropped sound \"sound/%s\"\n", sfx->name );
|
|
return;
|
|
}
|
|
|
|
ps->sfx = sfx;
|
|
ps->entnum = entnum;
|
|
ps->entchannel = channel;
|
|
ps->use_loop = (flags & (SND_STOP_LOOPING|SND_STOP)) ? false : true;
|
|
|
|
if( pos )
|
|
{
|
|
ps->fixedPosition = true;
|
|
VectorCopy( pos, ps->position );
|
|
}
|
|
else ps->fixedPosition = false;
|
|
|
|
ps->volume = vol;
|
|
ps->pitch = pitch / PITCH_NORM;
|
|
ps->attenuation = attn;
|
|
ps->beginTime = Sys_DoubleTime();
|
|
|
|
// sort into the pending playSounds list
|
|
for( sort = s_pendingPlaySounds.next; sort != &s_pendingPlaySounds && sort->beginTime < ps->beginTime; sort = sort->next );
|
|
|
|
ps->next = sort;
|
|
ps->prev = sort->prev;
|
|
ps->next->prev = ps;
|
|
ps->prev->next = ps;
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_StartLocalSound
|
|
|
|
menu sound
|
|
=================
|
|
*/
|
|
bool S_StartLocalSound( const char *name, float volume, float pitch, const float *origin )
|
|
{
|
|
sound_t sfxHandle;
|
|
|
|
if( !al_state.initialized )
|
|
return false;
|
|
|
|
sfxHandle = S_RegisterSound( name );
|
|
S_StartSound( origin, al_state.clientnum, CHAN_AUTO, sfxHandle, volume, ATTN_NONE, pitch, SND_STOP_LOOPING );
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_StopAllSounds
|
|
=================
|
|
*/
|
|
void S_StopAllSounds( void )
|
|
{
|
|
channel_t *ch;
|
|
int i;
|
|
|
|
if( !al_state.initialized )
|
|
return;
|
|
|
|
// Clear all the playSounds
|
|
Mem_Set( s_playSounds, 0, sizeof(s_playSounds));
|
|
|
|
s_freePlaySounds.next = s_freePlaySounds.prev = &s_freePlaySounds;
|
|
s_pendingPlaySounds.next = s_pendingPlaySounds.prev = &s_pendingPlaySounds;
|
|
|
|
for( i = 0; i < MAX_PLAYSOUNDS; i++ )
|
|
{
|
|
s_playSounds[i].prev = &s_freePlaySounds;
|
|
s_playSounds[i].next = s_freePlaySounds.next;
|
|
s_playSounds[i].prev->next = &s_playSounds[i];
|
|
s_playSounds[i].next->prev = &s_playSounds[i];
|
|
}
|
|
|
|
// Stop all the channels
|
|
for( i = 0, ch = s_channels; i < al_state.num_channels; i++, ch++ )
|
|
{
|
|
if( !ch->sfx ) continue;
|
|
S_StopChannel( ch );
|
|
}
|
|
|
|
// clear any remaining soundfade
|
|
Mem_Set( &soundfade, 0, sizeof( soundfade ));
|
|
|
|
S_StopStreaming(); // stop streaming channel
|
|
S_StopBackgroundTrack(); // stop background track
|
|
al_state.framecount = 0; // reset frame count
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_AddEnvironmentEffects
|
|
|
|
process all effects here
|
|
=================
|
|
*/
|
|
void S_AddEnvironmentEffects( void )
|
|
{
|
|
uint eaxEnv;
|
|
|
|
if( !al_config.allow_3DMode ) return;
|
|
|
|
// if eax is enabled, apply listener environmental effects
|
|
if( s_listener.waterlevel > 2 )
|
|
{
|
|
eaxEnv = EAX_ENVIRONMENT_UNDERWATER;
|
|
}
|
|
else
|
|
{
|
|
eaxEnv = EAX_ENVIRONMENT_GENERIC;
|
|
eaxEnv = eax_preset[bound( 0, s_room_type->integer, CSXROOM - 1 )].dwEnvironment;
|
|
}
|
|
al_config.Set3DMode( &DSPROPSETID_EAX20_ListenerProperties, DSPROPERTY_EAXLISTENER_ENVIRONMENT|DSPROPERTY_EAXLISTENER_DEFERRED, 0, &eaxEnv, sizeof(eaxEnv));
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_Update
|
|
|
|
Called once each time through the main loop
|
|
=================
|
|
*/
|
|
void S_Update( ref_params_t *fd )
|
|
{
|
|
channel_t *ch;
|
|
int i;
|
|
|
|
if( !al_state.initialized || !fd )
|
|
return;
|
|
|
|
// bump frame count
|
|
al_state.framecount++;
|
|
al_state.paused = fd->paused;
|
|
al_state.clientnum = fd->viewentity;
|
|
al_state.refdef = fd; // for using everthing else
|
|
|
|
// update any client side sound fade
|
|
if( !fd->paused ) S_UpdateSoundFade();
|
|
|
|
// set up listener
|
|
VectorSet( s_listener.position, fd->simorg[1], fd->simorg[2], -fd->simorg[0] );
|
|
VectorSet( s_listener.velocity, fd->simvel[1], fd->simvel[2], -fd->simvel[0] );
|
|
|
|
// set listener orientation matrix
|
|
s_listener.orientation[0] = fd->forward[1];
|
|
s_listener.orientation[1] = -fd->forward[2];
|
|
s_listener.orientation[2] = -fd->forward[0];
|
|
s_listener.orientation[3] = fd->up[1];
|
|
s_listener.orientation[4] = -fd->up[2];
|
|
s_listener.orientation[5] = -fd->up[0];
|
|
s_listener.waterlevel = fd->waterlevel;
|
|
|
|
palListenerfv( AL_POSITION, s_listener.position );
|
|
palListenerfv( AL_VELOCITY, s_listener.velocity );
|
|
palListenerfv( AL_ORIENTATION, s_listener.orientation );
|
|
palListenerf( AL_GAIN, (al_state.active) ? S_GetMasterVolume () : 0.0f );
|
|
|
|
// Set state
|
|
palDistanceModel( AL_INVERSE_DISTANCE_CLAMPED );
|
|
|
|
palDopplerFactor(s_dopplerFactor->value);
|
|
palDopplerVelocity(s_dopplerVelocity->value);
|
|
|
|
S_AddEnvironmentEffects ();
|
|
|
|
// Stream background track
|
|
S_StreamBackgroundTrack();
|
|
|
|
// Add looping sounds
|
|
si.AddLoopingSounds();
|
|
|
|
// Issue playSounds
|
|
S_IssuePlaySounds();
|
|
|
|
// update spatialization for all sounds
|
|
for( i = 0, ch = s_channels; i < al_state.num_channels; i++, ch++ )
|
|
{
|
|
if( !ch->sfx ) continue; // not active
|
|
|
|
// check for stop
|
|
if( ch->loopsound )
|
|
{
|
|
if( ch->loopframe != al_state.framecount )
|
|
{
|
|
S_StopChannel( ch );
|
|
continue;
|
|
}
|
|
}
|
|
else if( ch->loopstart >= 0 && ch->volume > 0.0f )
|
|
{
|
|
if( S_ChannelState( ch ) == AL_STOPPED )
|
|
{
|
|
S_PlayChannel( ch, ch->sfx );
|
|
}
|
|
}
|
|
else if( S_ChannelState( ch ) == AL_STOPPED )
|
|
{
|
|
S_StopChannel( ch );
|
|
continue;
|
|
}
|
|
|
|
// respatialize channel
|
|
S_SpatializeChannel( ch );
|
|
}
|
|
|
|
// check for errors
|
|
S_CheckForErrors();
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_Activate
|
|
|
|
Called when the main window gains or loses focus.
|
|
The window may have been destroyed and recreated between a deactivate
|
|
and an activate.
|
|
=================
|
|
*/
|
|
void S_Activate( bool active )
|
|
{
|
|
if(!al_state.initialized )
|
|
return;
|
|
|
|
al_state.active = active;
|
|
if( active ) palListenerf( AL_GAIN, S_GetMasterVolume() );
|
|
else palListenerf( AL_GAIN, 0.0 );
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_Play_f
|
|
=================
|
|
*/
|
|
void S_PlaySound_f( void )
|
|
{
|
|
if( Cmd_Argc() == 1 )
|
|
{
|
|
Msg( "Usage: playsound <soundfile>\n" );
|
|
return;
|
|
}
|
|
S_StartLocalSound( Cmd_Argv( 1 ), 1.0f, PITCH_NORM, NULL );
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_Music_f
|
|
=================
|
|
*/
|
|
void S_Music_f( void )
|
|
{
|
|
int c = Cmd_Argc();
|
|
|
|
if( c == 2 ) S_StartBackgroundTrack( Cmd_Argv(1), Cmd_Argv(1) );
|
|
else if( c == 3 ) S_StartBackgroundTrack( Cmd_Argv(1), Cmd_Argv(2) );
|
|
else Msg( "Usage: music <musicfile> [loopfile]\n" );
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_StopSound_f
|
|
=================
|
|
*/
|
|
void S_StopSound_f( void )
|
|
{
|
|
S_StopAllSounds();
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_ClearFade_f
|
|
=================
|
|
*/
|
|
void S_ClearFade_f( void )
|
|
{
|
|
// clear any remaining soundfade
|
|
Mem_Set( &soundfade, 0, sizeof( soundfade ));
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_SoundInfo_f
|
|
=================
|
|
*/
|
|
void S_SoundInfo_f( void )
|
|
{
|
|
if(!al_state.initialized )
|
|
{
|
|
Msg("Sound system not started\n");
|
|
return;
|
|
}
|
|
|
|
Msg("\n");
|
|
Msg("AL_VENDOR: %s\n", al_config.vendor_string);
|
|
Msg("AL_RENDERER: %s\n", al_config.renderer_string);
|
|
Msg("AL_VERSION: %s\n", al_config.version_string);
|
|
Msg("AL_EXTENSIONS: %s\n", al_config.extensions_string);
|
|
Msg("\n");
|
|
Msg("DEVICE: %s\n", s_alDevice->string );
|
|
Msg("CHANNELS: %i\n", al_state.num_channels);
|
|
Msg("3D sound: %s\n", (al_config.allow_3DMode) ? "enabled" : "disabled" );
|
|
Msg("\n");
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_Init
|
|
=================
|
|
*/
|
|
bool S_Init( void *hInst )
|
|
{
|
|
int num_mono_src, num_stereo_src;
|
|
|
|
Cmd_ExecuteString( "sndlatch\n" );
|
|
|
|
host_sound = Cvar_Get("host_sound", "1", CVAR_SYSTEMINFO, "enable sound system" );
|
|
s_alDevice = Cvar_Get("s_device", "Generic Software", CVAR_LATCH_AUDIO|CVAR_ARCHIVE, "OpenAL current device name" );
|
|
s_allowEAX = Cvar_Get("s_allowEAX", "1", CVAR_LATCH_AUDIO|CVAR_ARCHIVE, "allow EAX 2.0 extension" );
|
|
s_allowA3D = Cvar_Get("s_allowA3D", "1", CVAR_LATCH_AUDIO|CVAR_ARCHIVE, "allow A3D 2.0 extension" );
|
|
s_check_errors = Cvar_Get("s_check_errors", "1", CVAR_ARCHIVE, "ignore audio engine errors" );
|
|
s_volume = Cvar_Get("s_volume", "1.0", CVAR_ARCHIVE, "sound volume" );
|
|
s_musicvolume = Cvar_Get("s_musicvolume", "1.0", CVAR_ARCHIVE, "background music volume" );
|
|
s_minDistance = Cvar_Get("s_mindistance", "240.0", CVAR_ARCHIVE, "3d sound min distance" );
|
|
s_maxDistance = Cvar_Get("s_maxdistance", "8192.0", CVAR_ARCHIVE, "3d sound max distance" );
|
|
s_rolloffFactor = Cvar_Get("s_rollofffactor", "1.0", CVAR_ARCHIVE, "3d sound rolloff factor" );
|
|
s_dopplerFactor = Cvar_Get("s_dopplerfactor", "1.0", CVAR_ARCHIVE, "cutoff doppler effect value" );
|
|
s_dopplerVelocity = Cvar_Get("s_dopplervelocity", "10976.0", CVAR_ARCHIVE, "doppler effect maxvelocity" );
|
|
s_room_type = Cvar_Get( "room_type", "0", 0, "dsp room type" );
|
|
|
|
Cmd_AddCommand( "playsound", S_PlaySound_f, "playing a specified sound file" );
|
|
Cmd_AddCommand( "stopsound", S_StopSound_f, "stop all sounds" );
|
|
Cmd_AddCommand( "music", S_Music_f, "starting a background track" );
|
|
Cmd_AddCommand( "s_clearfade", S_ClearFade_f, "clear any sound fade" );
|
|
Cmd_AddCommand( "s_info", S_SoundInfo_f, "print sound system information" );
|
|
Cmd_AddCommand( "soundlist", S_SoundList_f, "display loaded sounds" );
|
|
|
|
if( !host_sound->integer )
|
|
{
|
|
MsgDev( D_INFO, "Audio: disabled\n" );
|
|
return false;
|
|
}
|
|
|
|
if(!S_Init_OpenAL())
|
|
{
|
|
MsgDev( D_INFO, "S_Init: sound system can't initialized\n" );
|
|
return false;
|
|
}
|
|
|
|
palcGetIntegerv( al_state.hDevice, ALC_MONO_SOURCES, sizeof(int), &num_mono_src );
|
|
palcGetIntegerv( al_state.hDevice, ALC_STEREO_SOURCES, sizeof(int), &num_stereo_src );
|
|
MsgDev( D_NOTE, "S_Init: mono sources %d, stereo %d\n", num_mono_src, num_stereo_src );
|
|
|
|
sndpool = Mem_AllocPool( "Sound Zone" );
|
|
al_state.initialized = true;
|
|
|
|
S_AllocChannels();
|
|
S_StopAllSounds();
|
|
|
|
// initialize error catched
|
|
if(S_CheckForErrors())
|
|
return false;
|
|
|
|
al_state.active = true; // enabled
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
=================
|
|
S_Shutdown
|
|
=================
|
|
*/
|
|
void S_Shutdown( void )
|
|
{
|
|
|
|
Cmd_RemoveCommand( "playsound" );
|
|
Cmd_RemoveCommand( "stopsound" );
|
|
Cmd_RemoveCommand( "music" );
|
|
Cmd_RemoveCommand( "s_info" );
|
|
Cmd_RemoveCommand( "s_clearfade" );
|
|
Cmd_RemoveCommand( "soundlist" );
|
|
|
|
if( !al_state.initialized )
|
|
return;
|
|
|
|
S_FreeSounds();
|
|
S_FreeChannels();
|
|
|
|
Mem_FreePool( &sndpool );
|
|
S_Free_OpenAL();
|
|
al_state.initialized = false;
|
|
} |