src/main/java/MovementPatterns.java

@@ -2,19 +2,28 @@ import Entity.Position;
 import java.util.*;
 
 public enum MovementPatterns {
-    ONE_STEP_DIAGONALLY(1);
+    ONE_DIAGONAL_STEP(1, 1);
 
-    private int cost;
+    public int cost;
+    private int id;
 
-    MovementPatterns(int cost) {
+    MovementPatterns(int cost, int id) {
         this.cost = cost;
+        this.id = id;
     }
 
-    public List<Position> getLegalDestinations(Position position) {
+    public List<Position> findLegalDestinations(Position position) {
         List<Position> legalDestinations = new ArrayList<>();
 
-        switch {
+        switch(id) {
-            case
+            case 1:
+                int x = position.x();
+                int y = position.y();
+                legalDestinations.addAll(Arrays.asList(new Position(x - 1, y + 1), new Position(x + 1, y + 1),
+                                                       new Position(x - 1, y - 1), new Position(x + 1, y - 1)));
+                break;
         }
+
+        return legalDestinations;
     }
 }

src/main/java/Shade.java

@@ -3,15 +3,20 @@ import Entity.Position;
 import java.util.*;
 
 public class Shade extends Monster implements CanMove, CanAttack {
-    public static final List<Biomes> habitat = Collections.unmodifiableList(Arrays.asList(Biomes.COAST, Biomes.FOREST, Biomes.GRASSLAND, Biomes.MOUNTAIN));
+    public static final List<Biomes> HABITAT = Collections.unmodifiableList(Arrays.asList(Biomes.COAST, Biomes.FOREST, Biomes.GRASSLAND, Biomes.MOUNTAIN));
+    public static final List<MovementPatterns> MOVES = Collections.unmodifiableList(Arrays.asList(MovementPatterns.ONE_DIAGONAL_STEP));
     public static final int MAX_HEALTH = 20;
     public static final int MAX_ENERGY = 14;
 
     private static final int HEALTH_PER_HEAL = 2;
     private static final int ENERGY_COST_PER_HEAL = 1;
 
+    private Random random = new Random();
+    private List<Position> validDestinations = new ArrayList<>();
+
     public Shade() {
         super(MAX_HEALTH, MAX_ENERGY, Monster.DEFAULT_POSITION);
+        updateDestinations(position);
     }
 
     public void heal() {
@@ -46,7 +51,13 @@ public class Shade extends Monster implements CanMove, CanAttack {
     }
 
     public boolean move() {
-        return false;
+        if (isDead()) {
+            return false;
+        }
+        position = validDestinations.get(random.nextInt(validDestinations.size()));
+        updateDestinations(position);
+
+        return true;
     }
 
     public boolean moveTo(Position position) {
@@ -62,4 +73,11 @@ public class Shade extends Monster implements CanMove, CanAttack {
             health = MAX_HEALTH;
         }
     }
+
+    private void updateDestinations(Position position) {
+        validDestinations.clear();
+        for (MovementPatterns move : MOVES) {
+            validDestinations.addAll(move.findLegalDestinations(position));
+        }
+    }
 }

src/test/java/MonsterTest.java

@@ -50,6 +50,7 @@ public class MonsterTest {
         assertThrows(IllegalStateException.class, () -> defaultShade.heal());
     }
 
+    //Är denna för lång?
     @Test
     void method_move_places_monster_in_legal_position() {
         Position startingPosition = defaultShade.getPosition();
@@ -57,11 +58,15 @@ public class MonsterTest {
         List<MovementPatterns> moves = defaultShade.MOVES;
 
         for (MovementPatterns move : moves) {
-            legalDestinations.addAll(move.getLegalDestinations(startingPosition));
+            legalDestinations.addAll(move.findLegalDestinations(startingPosition));
         }
 
         defaultShade.move();
-
         assertThat(legalDestinations, hasItem(defaultShade.getPosition()));
     }
+
+    @Test
+    void monster_cannot_do_anything_when_out_of_energy() {
+
+    }
 }