Refactoring: Implements Coordinate into ai-logic

src/main/java/de/tims/fleetstorm/ai/Logic.java

@@ -8,12 +8,12 @@ import de.tims.fleetstorm.matchfield.Matchfield;
 
 public class Logic {
 
-	public int[] chooseField(Matchfield matchfield) {
-		ArrayList<int[]> possibleFields = new ArrayList<int[]>();
+	public Coordinate chooseField(Matchfield matchfield) {
+		ArrayList<Coordinate> possibleFields = new ArrayList<Coordinate>();
 		for (int x = 0; x < Math.sqrt(matchfield.getSize()); x++) {
 			for (int y = 0; y < Math.sqrt(matchfield.getSize()); y++) {
 				if (matchfield.getState(x, y) == Coordinate.EMPTY || matchfield.getState(x, y) == Coordinate.SHIP) {
-					possibleFields.add(new int[] { x, y });
+					possibleFields.add(new Coordinate(x, y));
 				}
 			}
 		}

src/test/java/de/tims/fleetstorm/ai/LogicTest.java

@@ -16,7 +16,7 @@ class LogicTest {
 	@Test
 	void testFieldIsNotNull() {
 		matchfield.createMatchfield();
-		int[] calcResult = logic.chooseField(matchfield);
+		Coordinate calcResult = logic.chooseField(matchfield);
 		assertNotNull(calcResult);
 	}
 
@@ -30,8 +30,8 @@ class LogicTest {
 		}
 		// matchfield.setState(0, 0, Matchfield.EMPTY);
 
-		int[] choosenField = logic.chooseField(matchfield);
-		int calcState = matchfield.getState(choosenField[0], choosenField[1]);
+		Coordinate choosenField = logic.chooseField(matchfield);
+		int calcState = matchfield.getState(choosenField.getX(), choosenField.getY());
 		assertNotEquals(calcState, Coordinate.SHOT);
 	}
 }