-/* 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.
+/* Wrapper for using move_actor() on the MapObj representing the player; updates
+ * the game log with appropriate messages on the move attempt and its results;
+ * turns over to turn_over() when finished.