From 6d278c3aa1fe96a7c1f56e8d9b1889beded513ba Mon Sep 17 00:00:00 2001
From: Pacien TRAN-GIRARD
Date: Sat, 21 Nov 2015 16:32:17 +0100
Subject: Implement Maze

---
 src/ch/epfl/maze/physical/Maze.java | 30 +++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 11 deletions(-)

diff --git a/src/ch/epfl/maze/physical/Maze.java b/src/ch/epfl/maze/physical/Maze.java
index 71f2f80..e58a56a 100644
--- a/src/ch/epfl/maze/physical/Maze.java
+++ b/src/ch/epfl/maze/physical/Maze.java
@@ -7,10 +7,15 @@ import java.util.List;
  * Maze in which an animal starts from a starting point and must find the exit.
  * Every animal added will have its position set to the starting point. The
  * animal is removed from the maze when it finds the exit.
+ *
+ * @author Pacien TRAN-GIRARD
  */
 
 public final class Maze extends World {
 
+    private final List<Animal> animals;
+    private final List<Animal> animalHistory;
+
     /**
      * Constructs a Maze with a labyrinth structure.
      *
@@ -19,19 +24,19 @@ public final class Maze extends World {
 
     public Maze(int[][] labyrinth) {
         super(labyrinth);
-        // TODO
+
+        this.animals = new ArrayList<>();
+        this.animalHistory = new ArrayList<>();
     }
 
     @Override
     public boolean isSolved() {
-        // TODO
-        return false;
+        return this.animals.isEmpty();
     }
 
     @Override
     public List<Animal> getAnimals() {
-        // TODO
-        return new ArrayList<Animal>();
+        return this.animals;
     }
 
     /**
@@ -43,18 +48,18 @@ public final class Maze extends World {
      */
 
     public boolean hasAnimal(Animal a) {
-        // TODO
-        return false;
+        return this.animals.contains(a);
     }
 
     /**
-     * Adds an animal to the maze.
+     * Adds an animal to the maze at the start position.
      *
      * @param a The animal to add
      */
 
     public void addAnimal(Animal a) {
-        // TODO
+        a.setPosition(this.getStart());
+        this.animals.add(a);
     }
 
     /**
@@ -64,11 +69,14 @@ public final class Maze extends World {
      */
 
     public void removeAnimal(Animal a) {
-        // TODO
+        boolean contained = this.animals.remove(a);
+        if (contained) this.animalHistory.add(a);
     }
 
     @Override
     public void reset() {
-        // TODO
+        for (Animal a : this.animals) this.removeAnimal(a);
+        for (Animal a : this.animalHistory) this.addAnimal(a.copy());
+        this.animalHistory.clear();
     }
 }
-- 
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