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* Entity sounds on the player entity are now AL_SOURCE_RELATIVE

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* Thus no need to s_alSpatEntOrigin anymore
This commit is contained in:
Tim Angus 2006-02-28 21:52:25 +00:00
parent 0f8c7da187
commit ef4dad1875
2 changed files with 89 additions and 25 deletions
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1
README
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@ -105,7 +105,6 @@ New cvars
s_alMinDistance - the value of AL_REFERENCE_DISTANCE for each source
s_alRolloff - the value of AL_ROLLOFF_FACTOR for each source
s_alMaxSpeakerDistance - ET_SPEAKERS beyond this distance are culled
s_alSpatEntOrigin - spatialize entity origin instead of view origin
s_alDriver - which OpenAL library to use
s_sdlBits - SDL bit resolution

99
code/client/snd_openal.c
View file

@ -39,7 +39,6 @@ cvar_t *s_alMinDistance;
cvar_t *s_alRolloff;
cvar_t *s_alDriver;
cvar_t *s_alMaxSpeakerDistance;
cvar_t *s_alSpatEntOrigin;
/*
=================
@ -503,6 +502,39 @@ static void _S_AL_SanitiseVector( vec3_t v, int line )
}
}
#define AL_THIRD_PERSON_THRESHOLD_SQ (48.0f*48.0f)
/*
=================
S_AL_HearingThroughEntity
=================
*/
static qboolean S_AL_HearingThroughEntity( int entityNum )
{
float distanceSq;
if( clc.clientNum == entityNum )
{
// FIXME: <tim@ngus.net> 28/02/06 This is an outrageous hack to detect
// whether or not the player is rendering in third person or not. We can't
// ask the renderer because the renderer has no notion of entities and we
// can't ask cgame since that would involve changing the API and hence mod
// compatibility. I don't think there is any way around this, but I'll leave
// the FIXME just in case anyone has a bright idea.
distanceSq = DistanceSquared(
entityList[ entityNum ].origin,
lastListenerOrigin );
if( distanceSq > AL_THIRD_PERSON_THRESHOLD_SQ )
return qfalse; //we're the player, but third person
else
return qtrue; //we're the player
}
else
return qfalse; //not the player
}
/*
=================
S_AL_SrcInit
@ -578,7 +610,6 @@ static void S_AL_SrcSetup(srcHandle_t src, sfxHandle_t sfx, alSrcPriority_t prio
int entity, int channel, qboolean local)
{
ALuint buffer;
float null_vector[] = {0, 0, 0};
// Mark the SFX as used, and grab the raw AL buffer
S_AL_BufferUse(sfx);
@ -600,15 +631,15 @@ static void S_AL_SrcSetup(srcHandle_t src, sfxHandle_t sfx, alSrcPriority_t prio
qalSourcei(srcList[src].alSource, AL_BUFFER, buffer);
qalSourcef(srcList[src].alSource, AL_PITCH, 1.0f);
qalSourcef(srcList[src].alSource, AL_GAIN, s_alGain->value * s_volume->value);
qalSourcefv(srcList[src].alSource, AL_POSITION, null_vector);
qalSourcefv(srcList[src].alSource, AL_VELOCITY, null_vector);
qalSourcefv(srcList[src].alSource, AL_POSITION, vec3_origin);
qalSourcefv(srcList[src].alSource, AL_VELOCITY, vec3_origin);
qalSourcei(srcList[src].alSource, AL_LOOPING, AL_FALSE);
qalSourcef(srcList[src].alSource, AL_REFERENCE_DISTANCE, s_alMinDistance->value);
if(local)
{
qalSourcei(srcList[src].alSource, AL_SOURCE_RELATIVE, AL_TRUE);
qalSourcef(srcList[src].alSource, AL_ROLLOFF_FACTOR, 0);
qalSourcef(srcList[src].alSource, AL_ROLLOFF_FACTOR, 0.0f);
}
else
{
@ -654,6 +685,7 @@ static void S_AL_SrcKill(srcHandle_t src)
srcList[src].isLocked = qfalse;
srcList[src].isLooping = qfalse;
srcList[src].isTracking = qfalse;
srcList[src].local = qfalse;
}
/*
@ -826,15 +858,28 @@ void S_AL_StartSound( vec3_t origin, int entnum, int entchannel, sfxHandle_t sfx
return;
// Set up the effect
S_AL_SrcSetup(src, sfx, SRCPRI_ONESHOT, entnum, entchannel, qfalse);
if( origin == NULL )
{
srcList[ src ].isTracking = qtrue;
VectorCopy( entityList[entnum].origin, sorigin );
if( S_AL_HearingThroughEntity( entnum ) )
{
// Where the entity is the local player, play a local sound
S_AL_SrcSetup( src, sfx, SRCPRI_ONESHOT, entnum, entchannel, qtrue );
VectorClear( sorigin );
}
else
{
S_AL_SrcSetup( src, sfx, SRCPRI_ONESHOT, entnum, entchannel, qfalse );
VectorCopy( entityList[ entnum ].origin, sorigin );
}
}
else
{
S_AL_SrcSetup( src, sfx, SRCPRI_ONESHOT, entnum, entchannel, qfalse );
VectorCopy( origin, sorigin );
}
S_AL_SanitiseVector( sorigin );
qalSourcefv( srcList[ src ].alSource, AL_POSITION, sorigin );
@ -903,10 +948,21 @@ static void S_AL_SrcLoop( alSrcPriority_t priority, sfxHandle_t sfx,
srcList[ src ].isLooping = qtrue;
srcList[ src ].isActive = qtrue;
// Set up the position and velocity
if( S_AL_HearingThroughEntity( entityNum ) )
{
srcList[ src ].local = qtrue;
qalSourcefv( srcList[ src ].alSource, AL_POSITION, vec3_origin );
qalSourcefv( srcList[ src ].alSource, AL_VELOCITY, vec3_origin );
}
else
{
srcList[ src ].local = qfalse;
qalSourcefv( srcList[ src ].alSource, AL_POSITION, (ALfloat *)sent->origin );
qalSourcefv( srcList[ src ].alSource, AL_VELOCITY, (ALfloat *)velocity );
}
}
/*
=================
@ -1006,13 +1062,25 @@ void S_AL_SrcUpdate( void )
if( sent->startLoopingSound )
{
S_AL_SrcSetup( i, sent->loopSfx, sent->loopPriority,
entityNum, -1, qfalse );
entityNum, -1, srcList[ i ].local );
srcList[ i ].isLooping = qtrue;
qalSourcei( srcList[ i ].alSource, AL_LOOPING, AL_TRUE );
qalSourcePlay( srcList[ i ].alSource );
sent->startLoopingSound = qfalse;
}
// Update locality
if( srcList[ i ].local)
{
qalSourcei( srcList[ i ].alSource, AL_SOURCE_RELATIVE, AL_TRUE );
qalSourcef( srcList[ i ].alSource, AL_ROLLOFF_FACTOR, 0.0f );
}
else
{
qalSourcei( srcList[ i ].alSource, AL_SOURCE_RELATIVE, AL_FALSE );
qalSourcef( srcList[ i ].alSource, AL_ROLLOFF_FACTOR, s_alRolloff->value );
}
}
else
S_AL_SrcKill( i );
@ -1020,8 +1088,11 @@ void S_AL_SrcUpdate( void )
continue;
}
// Query relativity of source, don't move if it's true
qalGetSourcei( srcList[ i ].alSource, AL_SOURCE_RELATIVE, &state );
// See if it needs to be moved
if(srcList[i].isTracking)
if( srcList[ i ].isTracking && !state )
qalSourcefv(srcList[i].alSource, AL_POSITION, entityList[entityNum].origin);
// Check if it's done, and flag it
@ -1481,13 +1552,8 @@ void S_AL_Respatialize( int entityNum, const vec3_t origin, vec3_t axis[3], int
float orientation[6];
vec3_t sorigin;
if( s_alSpatEntOrigin->integer && entityNum >= 0 )
VectorCopy( entityList[ entityNum ].origin, sorigin );
else
{
VectorCopy( origin, sorigin );
S_AL_SanitiseVector( sorigin );
}
S_AL_SanitiseVector( axis[ 0 ] );
S_AL_SanitiseVector( axis[ 1 ] );
@ -1656,7 +1722,6 @@ qboolean S_AL_Init( soundInterface_t *si )
s_alMinDistance = Cvar_Get( "s_alMinDistance", "120", CVAR_CHEAT );
s_alRolloff = Cvar_Get( "s_alRolloff", "0.8", CVAR_CHEAT );
s_alMaxSpeakerDistance = Cvar_Get( "s_alMaxSpeakerDistance", "1024", CVAR_ARCHIVE );
s_alSpatEntOrigin = Cvar_Get( "s_alSpatEntOrigin", "0", CVAR_ARCHIVE );
s_alDriver = Cvar_Get( "s_alDriver", ALDRIVER_DEFAULT, CVAR_ARCHIVE );