Function AS_PlayLocalSet

code/client/snd_ambient.cpp:1010–1046

*/

static void AS_PlayLocalSet( vec3_t listener_origin, vec3_t origin, const ambientSet_t *set, int entID, int *lastTime ) {
	//Make sure it's valid
	if ( !set ) {
		return;
	}

	vec3_t dir;
	VectorSubtract( origin, listener_origin, dir );
	float dist = VectorLength( dir );

	//Determine the volume based on distance (NOTE: This sits on top of what SpatializeOrigin does)
	float distScale = ( dist < ( set->radius * 0.5f ) ) ? 1 : ( set->radius - dist ) / ( set->radius * 0.5f );
	unsigned char volume = ( distScale > 1.0f || distScale < 0.0f ) ? 0 : (unsigned char) ( set->masterVolume * distScale );

	//Add the looping sound
	if ( set->loopedWave ) {
		S_AddAmbientLoopingSound( origin, volume, set->loopedWave );
	}

	//Check the time to start another one-shot subwave
	int time = cl.serverTime;
	if ( ( time - *lastTime ) < ( ( Q_irand( set->time_start, set->time_end ) ) * 1000 ) ) {
		return;
	}

	//Update the time
	*lastTime = time;

	//Scale the volume ranges for the subwaves based on the overall master volume
	float volScale = (float) volume / (float) MAX_SET_VOLUME;
	volume = (unsigned char) Q_irand( (int)(volScale*set->volRange_start), (int)(volScale*set->volRange_end) );

	//Add the random subwave
	if ( set->numSubWaves ) {
		S_StartAmbientSound( origin, entID, volume, set->subWaves[Q_irand( 0, set->numSubWaves-1)] );
	}
}

/*
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