-/* Try to move player in direction "d". On contact with monster, fight / reduce
- * monster's hitpoints, and thereby potentially trigger the monster's death,
- * create a corpse and increment the player's score by the amount of hitpoints
- * the monster started with. Update the log on whatever the player did and turn
- * control over to the enemy.
- */
-extern void move_player (struct World * world, enum dir d);
+/* Free MapObjAct * chain starting at "moa". */
+extern void free_map_object_actions(struct MapObjAct * moa);