1 files changed, 16 insertions, 5 deletions

diff --git a/src/esieequest/model/Game.java b/src/esieequest/model/Game.java
index 99afa7c..5f2049c 100644
--- a/src/esieequest/model/Game.java
+++ b/src/esieequest/model/Game.java
@@ -1,6 +1,7 @@
 package esieequest.model;
 
 import java.util.HashMap;
+import java.util.Stack;
 
 /**
  * Represents the game.
@@ -12,6 +13,7 @@ public class Game {
 
         private final HashMap<String, Room> rooms;
         private Room currentRoom;
+        private Stack<Room> previousRooms;
 
         /**
          * The default constructor.
@@ -19,6 +21,7 @@ public class Game {
         public Game() {
                 this.rooms = new HashMap<String, Room>();
                 this.currentRoom = null;
+                this.previousRooms = new Stack<Room>();
 
                 this.createRooms();
                 this.linkRooms();
@@ -48,8 +51,7 @@ public class Game {
          * @param exitRoomName
          *            the name of the exit room
          */
-        private void setRoomExit(final String roomName, final String direction,
-                        final String exitRoomName) {
+        private void setRoomExit(final String roomName, final String direction, final String exitRoomName) {
                 this.rooms.get(roomName).addExit(direction, this.rooms.get(exitRoomName));
         }
 
@@ -98,8 +100,7 @@ public class Game {
                 this.createRoom("OffscriptLock", "somewhere implementing a doorlock");
                 this.createRoom("OffscriptLockLockedroom", "in a locked room that is not anymore");
                 this.createRoom("OffscriptAlea", "somewhere implementing alea");
-                this.createRoom("OffscriptAleaRoomrandomizer",
-                                "in a weird room that will transport you somewhere else");
+                this.createRoom("OffscriptAleaRoomrandomizer", "in a weird room that will transport you somewhere else");
                 this.createRoom("OffscriptMovingcharacter", "somewhere implementing a moving character");
                 this.createRoom("OffscriptMovingcharacterMo", "in M-O's room");
 
@@ -199,12 +200,13 @@ public class Game {
         }
 
         /**
-         * Sets the current room.
+         * Sets the current room and stacks previous rooms.
          * 
          * @param room
          *            the destination room
          */
         public void goToRoom(final Room room) {
+                this.previousRooms.push(this.currentRoom);
                 this.currentRoom = room;
         }
 
@@ -219,6 +221,15 @@ public class Game {
         }
 
         /**
+         * Sets the current room to the previous room.
+         */
+        public void goToPreviousRoom() {
+                if (!this.previousRooms.empty()) {
+                        this.currentRoom = this.previousRooms.pop();
+                }
+        }
+
+        /**
          * Returns the current room's exit located in the given direction.
          * 
          * @param direction