+ 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 = 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 entity_call( world_instance *world, ent_call *call )
+{
+ if( call->ent.type == k_ent_volume ){
+ ent_volume_call( world, call );
+ } else if( call->ent.type == k_ent_audio ){
+ ent_audio_call( world, call );
+ }
+}
+
+VG_STATIC void world_update( world_instance *world, v3f pos )
+{
+ /* TEMP!!!!!! */
+ static double g_time = 0.0;
+ g_time += vg.time_delta * (1.0/(k_day_length*60.0));
+
+
+ struct ub_world_lighting *state = &world->ub_lighting;
+
+ state->g_time = g_time;
+ state->g_realtime = vg.time;
+ state->g_debug_indices = k_debug_light_indices;
+ state->g_light_preview = k_light_preview;
+ state->g_debug_complexity = k_debug_light_complexity;
+
+ state->g_time_of_day = vg_fractf( g_time );
+ state->g_day_phase = cosf( state->g_time_of_day * VG_PIf * 2.0f );
+ state->g_sunset_phase= cosf( state->g_time_of_day * VG_PIf * 4.0f + VG_PIf );
+
+ state->g_day_phase = state->g_day_phase * 0.5f + 0.5f;
+ state->g_sunset_phase = powf( state->g_sunset_phase * 0.5f + 0.5f, 6.0f );
+
+ float a = state->g_time_of_day * VG_PIf * 2.0f;
+ state->g_sun_dir[0] = sinf( a );
+ state->g_sun_dir[1] = cosf( a );
+ state->g_sun_dir[2] = 0.2f;
+ v3_normalize( state->g_sun_dir );
+
+
+ world->probabilities[ k_probability_curve_constant ] = 1.0f;
+
+ float dp = state->g_day_phase;
+
+ world->probabilities[ k_probability_curve_wildlife_day ] =
+ (dp*dp*0.8f+state->g_sunset_phase)*0.8f;
+ world->probabilities[ k_probability_curve_wildlife_night ] =
+ 1.0f-powf(fabsf((state->g_time_of_day-0.5f)*5.0f),5.0f);