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Merge pull request #193 from xorw/master

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Add partial doppler shift support for 3D audio sources.
This commit is contained in:
Yamagi 2017-05-09 21:38:30 +02:00 committed by GitHub
commit e6d46eb452
3 changed files with 26 additions and 0 deletions
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18
src/client/cl_entities.c
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@ -915,3 +915,21 @@ CL_GetEntitySoundOrigin(int ent, vec3_t org)
VectorCopy(old->lerp_origin, org); VectorCopy(old->lerp_origin, org);
} }
/*
* Called to get the sound spatialization
*/
void
CL_GetEntitySoundVelocity(int ent, vec3_t vel)
{
centity_t *old;
if ((ent < 0) || (ent >= MAX_EDICTS))
{
Com_Error(ERR_DROP, "CL_GetEntitySoundVelocity: bad ent");
}
old = &cl_entities[ent];
VectorSubtract(old->current.origin, old->prev.origin, vel);
}

1
src/client/sound/header/sound.h
View file

@ -54,5 +54,6 @@ struct sfx_s *S_FindName(char *name, qboolean create);
entitiy position information, so entities can be entitiy position information, so entities can be
dynamically re-spatialized */ dynamically re-spatialized */
void CL_GetEntitySoundOrigin(int ent, vec3_t org); void CL_GetEntitySoundOrigin(int ent, vec3_t org);
void CL_GetEntitySoundVelocity(int ent, vec3_t vel);
#endif #endif

7
src/client/sound/openal.c
View file

@ -199,6 +199,7 @@ static void
AL_Spatialize(channel_t *ch) AL_Spatialize(channel_t *ch)
{ {
vec3_t origin; vec3_t origin;
vec3_t velocity;
if ((ch->entnum == -1) || (ch->entnum == cl.playernum + 1) || !ch->dist_mult) if ((ch->entnum == -1) || (ch->entnum == cl.playernum + 1) || !ch->dist_mult)
{ {
@ -218,6 +219,9 @@ AL_Spatialize(channel_t *ch)
{ {
CL_GetEntitySoundOrigin(ch->entnum, origin); CL_GetEntitySoundOrigin(ch->entnum, origin);
qalSource3f(ch->srcnum, AL_POSITION, AL_UnpackVector(origin)); qalSource3f(ch->srcnum, AL_POSITION, AL_UnpackVector(origin));
CL_GetEntitySoundVelocity(ch->entnum, velocity);
qalSource3f(ch->srcnum, AL_VELOCITY, AL_UnpackVector(velocity));
return; return;
} }
@ -613,6 +617,9 @@ AL_Update(void)
qalListener3f(AL_POSITION, AL_UnpackVector(listener_origin)); qalListener3f(AL_POSITION, AL_UnpackVector(listener_origin));
qalListenerfv(AL_ORIENTATION, orientation); qalListenerfv(AL_ORIENTATION, orientation);
// TODO(xorw): add current listener's velocity update
// qalListener3f(AL_VELOCITY, AL_UnpackVector(listener_velocity));
/* update spatialization for dynamic sounds */ /* update spatialization for dynamic sounds */
ch = channels; ch = channels;