this.room = null;

  this.weapons = 0;

  this.gold = 0;

  this.killed = 0;

  this.alive = true;

}

​

Player.prototype.move = function (dir) {

  const room = this.room[dir];

  if (room) {

    this.enterRoom(room);

  }

};

​

Player.prototype.enterRoom = function (room) {

  if (!this.alive) {

    return;

  }

  if (this.room) {

    this.room.player = false;

  }

  this.room = room;

  this.room.player = true;

  this.room.explored = true;

​

  resetText();

​

  switch (this.room.type) {

    case "wumpus":

      if (this.weapons > 0) {

        this.room.type = "empty";

        appendText(

          "A horrible wumpus is in this room!\nYou manage to kill it but\nyour sword has been broken."

        );

        this.weapons--;

        this.killed++;

        break;

      } else {

        die(this.room.type);

        return;

      }

    case "pit":

      die(this.room.type);

      return;

    case "gold":

      this.room.type = "empty";

      this.gold++;

      appendText("You found some gold!");

      break;

    case "weapon":

      this.room.type = "empty";

      this.weapons++;

      appendText("You found a sword!");

      break;

    case "exit":

      appendText(

        "You are at the cave entrance.\nUse Arrow keys or WASD to move.\nPress enter to leave."

      );

    default:

      break;

  }

​

  this.neighboringRooms();

};

​

Player.prototype.neighboringRooms = function () {

  const dirs = ["n", "s", "e", "w"],

    found = {};

  dirs.forEach((dir) => {

    const r = this.room[dir];

    if (r && !found[r.type]) {

      const message = MESSAGES[r.type];

      if (message) {

        appendText(message);

        found[r.type] = true;

      }

    }

  });

};

​

function die(type) {

  resetText();

  if (type === "wumpus") {

    appendText(

      "A horrible wumpus is in this room!\nUnable to defend yourself empty-handed,\nThe wumpus easily devours you whole."

    );

  } else if (type === "pit") {

    appendText(

      "The ground seems to disappear beneath you\nas you step into a massive pit.\nYou fall for what seems like forever until you\nhit the ground and instantly die."

    );

  }

  appendText("Press enter to restart.");

  player.alive = false;

}

​