-// called after the world model has been loaded, before linking any entities
-void World_Clear(world_t *world);
+/// called after the world model has been loaded, before linking any entities
+void World_SetSize(world_t *world, const char *filename, const vec3_t mins, const vec3_t maxs);
+/// unlinks all entities (used before reallocation of edicts)
+void World_UnlinkAll(world_t *world);