#include "world_volumes.h"
-/*
- * BVH implementation
- * ----------------------------------------------------------------------------
- */
-
-VG_STATIC void volume_vg_expand_bound( void *user, boxf bound, u32 item_index )
-{
- world_instance *world = user;
-
- ent_volume *volume = mdl_arritm( &world->ent_volume, item_index );
-
- m4x3_expand_aabb_point( volume->to_world, bound, (v3f){ 1.0f, 1.0f, 1.0f} );
- m4x3_expand_aabb_point( volume->to_world, bound, (v3f){ 1.0f, 1.0f,-1.0f} );
- m4x3_expand_aabb_point( volume->to_world, bound, (v3f){ 1.0f,-1.0f, 1.0f} );
- m4x3_expand_aabb_point( volume->to_world, bound, (v3f){ 1.0f,-1.0f,-1.0f} );
- m4x3_expand_aabb_point( volume->to_world, bound, (v3f){-1.0f, 1.0f, 1.0f} );
- m4x3_expand_aabb_point( volume->to_world, bound, (v3f){-1.0f, 1.0f,-1.0f} );
- m4x3_expand_aabb_point( volume->to_world, bound, (v3f){-1.0f,-1.0f, 1.0f} );
- m4x3_expand_aabb_point( volume->to_world, bound, (v3f){-1.0f,-1.0f,-1.0f} );
-}
+static void world_volumes_update( world_instance *world, v3f pos ){
+ /* filter and check the existing ones */
+ u32 j=0;
+ for( u32 i=0; i<world_static.active_trigger_volume_count; i++ ){
+ i32 idx = world_static.active_trigger_volumes[i];
+ ent_volume *volume = mdl_arritm( &world->ent_volume, idx );
-VG_STATIC float volume_vg_centroid( void *user, u32 item_index, int axis )
-{
- world_instance *world = user;
- ent_volume *volume = mdl_arritm( &world->ent_volume, item_index );
- return volume->to_world[3][axis];
-}
+ v3f local;
+ m4x3_mulv( volume->to_local, pos, local );
+ if( (fabsf(local[0]) <= 1.0f) &&
+ (fabsf(local[1]) <= 1.0f) &&
+ (fabsf(local[2]) <= 1.0f) )
+ {
+ world_static.active_trigger_volumes[ j ++ ] = idx;
+ boxf cube = {{-1.0f,-1.0f,-1.0f},{1.0f,1.0f,1.0f}};
+ vg_line_boxf_transformed( volume->to_world, cube, 0xff00ccff );
+ /* triggr on stay ..... */
+ }
+ else{
+ /* trigger on exit...... */
+ }
+ }
+ world_static.active_trigger_volume_count = j;
-VG_STATIC void volume_vg_swap( void *user, u32 ia, u32 ib )
-{
- world_instance *world = user;
- ent_volume *a = mdl_arritm( &world->ent_volume, ia ),
- *b = mdl_arritm( &world->ent_volume, ib ),
- temp;
+ static float random_accum = 0.0f;
+ random_accum += vg.time_delta;
- temp = *a;
- *a = *b;
- *b = temp;
-}
+ u32 random_ticks = 0;
+
+ while( random_accum > 0.1f ){
+ random_accum -= 0.1f;
+ random_ticks ++;
+ }
+
+ float radius = 32.0f;
+
+ bh_iter it;
+ bh_iter_init_range( 0, &it, pos, radius );
+ i32 idx;
+
+ while( bh_next( world->entity_bh, &it, &idx ) ){
+ u32 id = world->entity_list[ idx ],
+ type = mdl_entity_id_type( id ),
+ index = mdl_entity_id_id( id );
+
+ if( type != k_ent_volume ) continue;
+
+ ent_volume *volume = mdl_arritm( &world->ent_volume, index );
+ boxf cube = {{-1.0f,-1.0f,-1.0f},{1.0f,1.0f,1.0f}};
+
+ if( volume->flags & k_ent_volume_flag_particles ){
+ vg_line_boxf_transformed( volume->to_world, cube, 0xff00c0ff );
+
+ for( int j=0; j<random_ticks; j++ ){
+ ent_call basecall;
+ basecall.id = id;
+ basecall.data = NULL;
+ basecall.function = 0;
+
+ entity_call( world, &basecall );
+ }
+ }
+ else{
+ for( u32 i=0; i<world_static.active_trigger_volume_count; i++ )
+ if( world_static.active_trigger_volumes[i] == index )
+ goto next_volume;
+
+ if( world_static.active_trigger_volume_count >
+ vg_list_size(world_static.active_trigger_volumes) ) continue;
+
+ v3f local;
+ m4x3_mulv( volume->to_local, pos, local );
+
+ if( (fabsf(local[0]) <= 1.0f) &&
+ (fabsf(local[1]) <= 1.0f) &&
+ (fabsf(local[2]) <= 1.0f) ){
+ ent_call basecall;
+ basecall.function = 0;
+ basecall.id = id;
+ basecall.data = NULL;
-VG_STATIC void volume_vg_debug( void *user, u32 item_index )
-{
- world_instance *world = user;
- ent_volume *volume = mdl_arritm( &world->ent_volume, item_index );
- vg_line_boxf_transformed( volume->to_world, (boxf){{-1.0f,-1.0f,-1.0f},
- { 1.0f, 1.0f, 1.0f}},
- 0xff00ff00 );
+ entity_call( world, &basecall );
+ world_static.active_trigger_volumes[
+ world_static.active_trigger_volume_count ++ ] = index;
+ }
+ else
+ vg_line_boxf_transformed( volume->to_world, cube, 0xffcccccc );
+ }
+next_volume:;
+ }
}
#endif /* WORLD_VOLUMES_H */