VG_STATIC void entity_bh_closest( void *user, u32 item_index, v3f point,
v3f closest );
+VG_STATIC void world_entity_focus( u32 entity_id );
+VG_STATIC void world_entity_focus_preupdate(void);
+VG_STATIC void world_entity_focus_render(void);
+VG_STATIC void world_entity_unfocus();
+
static bh_system bh_system_entity_list = {
.expand_bound = entity_bh_expand_bound,
.item_centroid = entity_bh_centroid,