static ent_spawn *world_find_closest_spawn( world_instance *world,
v3f position );
static void world_entity_start( world_instance *world, vg_msg *sav );
-static void world_entity_relink( world_instance *world );
static void world_entity_serialize( world_instance *world, vg_msg *sav );
static void ent_volume_call( world_instance *world, ent_call *call );