-/* Helper to turn_over() to determine whether a map object's action effort has
- * reached its end. The simplicity of just comparing map_object->progress to
- * moa->effort is suspended for actor movement, for in this case the effort
- * depends on the diagonal movement penalty expressed in the ratio of
- * world.map.dist_diagonal / world.map.dist_orthogonal. (Movement being diagonal
- * or orthogonal is determined by the ->arg char encoding an even or un-even
- * number digit).
- */
-static uint8_t is_effort_finished(struct MapObjAct * moa,
- struct MapObj * map_object);
-
-/* If "msg"'s first part matches "command_name", set player's MapObj's .command