+ u32 index = mdl_entity_id_id( call->id );
+ ent_audio *audio = mdl_arritm( &world->ent_audio, index );
+
+ v3f sound_co;
+
+ if( call->function == k_ent_function_particle_spawn ){
+ v3_copy( call->data, sound_co );
+ }
+ else if( call->function == k_ent_function_trigger ){
+ v3_copy( audio->transform.co, sound_co );
+ }
+ else
+ vg_fatal_error( "ent_audio_call (invalid function id)" );
+
+ float chance = vg_randf()*100.0f,
+ bar = 0.0f;
+
+ for( u32 i=0; i<audio->clip_count; i++ ){
+ ent_audio_clip *clip = mdl_arritm( &world->ent_audio_clip,
+ audio->clip_start+i );
+
+ float mod = world->probabilities[ audio->probability_curve ],
+ p = clip->probability * mod;
+
+ bar += p;
+
+ if( chance < bar ){
+
+ audio_lock();
+
+ if( audio->behaviour == k_channel_behaviour_unlimited ){
+ audio_oneshot_3d( &clip->clip, sound_co,
+ audio->transform.s[0],
+ audio->volume );
+ }
+ else if( audio->behaviour == k_channel_behaviour_discard_if_full ){
+ audio_channel *ch =
+ audio_get_group_idle_channel( audio->group,
+ audio->max_channels );
+
+ if( ch ){
+ audio_channel_init( ch, &clip->clip, audio->flags );
+ audio_channel_group( ch, audio->group );
+ audio_channel_set_spacial( ch, sound_co, audio->transform.s[0] );
+ audio_channel_edit_volume( ch, audio->volume, 1 );
+ ch = audio_relinquish_channel( ch );
+ }
+ }
+ else if( audio->behaviour == k_channel_behaviour_crossfade_if_full){
+ audio_channel *ch =
+ audio_get_group_idle_channel( audio->group,
+ audio->max_channels );
+
+ /* group is full */
+ if( !ch ){
+ audio_channel *existing =
+ audio_get_group_first_active_channel( audio->group );
+
+ if( existing ){
+ if( existing->source == &clip->clip ){
+ audio_unlock();
+ return;
+ }
+
+ existing->group = 0;
+ existing = audio_channel_fadeout(existing, audio->crossfade);
+ }
+
+ ch = audio_get_first_idle_channel();
+ }
+
+ if( ch ){
+ audio_channel_init( ch, &clip->clip, audio->flags );
+ audio_channel_group( ch, audio->group );
+ audio_channel_fadein( ch, audio->crossfade );
+ ch = audio_relinquish_channel( ch );
+ }
+ }
+
+ audio_unlock();
+ return;
+ }
+ }
+}
+
+VG_STATIC void world_update( world_instance *world, v3f pos )
+{
+ world_global.sky_time += world_global.sky_rate * vg.time_delta;
+ world_global.sky_rate = vg_lerp( world_global.sky_rate,
+ world_global.sky_target_rate,
+ vg.time_delta * 5.0 );
+
+ world_routes_update_timer_texts( world );
+ world_routes_update( world );
+ //world_routes_debug( world );