Legger til en Direction enum og tester

src/main/java/inf112/fiasko/roborally/abstractions/Direction.java

@@ -0,0 +1,47 @@
+package inf112.fiasko.roborally.abstractions;
+
+/**
+ * This enum represents all possible directions for an element on the board
+ */
+public enum Direction {
+    NORTH (1),
+    NORTH_EAST (2),
+    EAST (3),
+    SOUTH_EAST (4),
+    SOUTH (5),
+    SOUTH_WEST (6),
+    WEST (7),
+    NORTH_WEST (8);
+
+    private final int directionID;
+
+    /**
+     * Constructor to let a direction to be represented by a numerical identifier
+     * @param directionID <p>The numerical identifier assigned to the direction</p>
+     */
+    Direction(int directionID) {
+        this.directionID = directionID;
+    }
+
+    /**
+     * Gets the numerical identifier used for alternate identification of a direction
+     * @return <p>The numerical id of the direction</p>
+     */
+    public int getDirectionID() {
+        return this.directionID;
+    }
+
+    /**
+     * Gets a direction from its numerical id
+     * @param directionID <p>The numerical representation of a direction</p>
+     * @return <p>The enum value representing the direction, or null if the id is invalid</p>
+     */
+    public static Direction getDirectionFromID(int directionID) {
+        for (Direction direction : Direction.values()) {
+            if (direction.directionID == directionID) {
+                return direction;
+            }
+        }
+        return null;
+    }
+}