src/main/java/ch/zhaw/pm2/racetrack/Car.java

@@ -48,6 +48,14 @@ public class Car implements CarSpecification {
         setPosition(position);
     }
 
+    public char getId() {
+        return id;
+    }
+
+    public PositionVector getVelocity() {
+        return velocity;
+    }
+
     /**
      * Set this Car position directly, regardless of current position and velocity.
      * This should only be used by the game controller in rare cases to set the crash or winning position.
@@ -58,7 +66,7 @@ public class Car implements CarSpecification {
     @Override
     public void setPosition(final PositionVector position) {
         // TODO: implementation
-        throw new UnsupportedOperationException();
+        this.position = position;
     }
 
     /**

src/main/java/ch/zhaw/pm2/racetrack/Game.java

@@ -127,6 +127,8 @@ public class Game implements GameSpecification {
         throw new UnsupportedOperationException();
     }
 
+
+
     /**
      * Does indicate if a car would have a crash with a WALL space or another car at the given position.
      * @param carIndex The zero-based carIndex number
@@ -135,7 +137,8 @@ public class Game implements GameSpecification {
      */
     @Override
     public boolean willCarCrash(int carIndex, PositionVector position) {
-        // TODO: implementation
-        throw new UnsupportedOperationException();
+
+
+        return true;
     }
 }

src/main/java/ch/zhaw/pm2/racetrack/Track.java

@@ -73,13 +73,12 @@ public class Track implements TrackSpecification {
      * @throws InvalidTrackFormatException if the track file contains invalid data (no tracklines, ...)
      */
     public Track(File trackFile) throws FileNotFoundException, InvalidTrackFormatException {
-        // TODO:
         track = new ArrayList<>();
         cars = new ArrayList<>();
         finishLine = new ArrayList<>();
         readFile(trackFile);
         findFinish();
-        addCar();
+        addCars();
     }
 
     /**
@@ -95,8 +94,8 @@ public class Track implements TrackSpecification {
         }
     }
 
-    //TODO: MAKE PRIVATE
-    public void addCar() throws InvalidTrackFormatException {
+
+    private void addCars() throws InvalidTrackFormatException {
         ConfigSpecification.SpaceType[] spaceTypes = ConfigSpecification.SpaceType.values();
         List<Character> allSpaceTypesAsChar = new ArrayList<>();
         List<Character> usedSymbolForCar = new ArrayList<>();
@@ -159,7 +158,6 @@ public class Track implements TrackSpecification {
     }
 
     /**
-     *
      * @return all Cars
      */
     public List<Car> getCars() {
@@ -167,7 +165,6 @@ public class Track implements TrackSpecification {
     }
 
     /**
-     *
      * @return finishLine
      */
     public List<PositionVector> getFinishLine() {
@@ -181,6 +178,32 @@ public class Track implements TrackSpecification {
         return track;
     }
 
+    /**
+     * This Method will update the Car on the track
+     * and will make the Car move to the next position
+     * @param carIndex representing the current Car
+     */
+    public void moveCar(int carIndex) {
+        PositionVector positionVector = findChar(getCarId(carIndex));
+        //Removes the Car at Current Pos
+        String line = track.get(positionVector.getY());
+        line = line.substring(0,positionVector.getX()) + ConfigSpecification.SpaceType.TRACK.getValue() + line.substring(positionVector.getX()+1);
+        track.add(positionVector.getY(),line);
+
+        //Adds Car at new Position
+        positionVector = cars.get(carIndex).nextPosition();
+        line = track.get(positionVector.getY());
+        line = line.substring(0,positionVector.getX()) + cars.get(carIndex).getId() + line.substring(positionVector.getX()+1);
+        track.add(positionVector.getY(),line);
+
+        //Change position of car
+        getCar(carIndex).move();
+    }
+
+    public char getRealCharAtPosition(PositionVector positionVector) {
+        return track.get(positionVector.getY()).charAt(positionVector.getX());
+    }
+
     /**
      * Return the type of space at the given position.
      * If the location is outside the track bounds, it is considered a wall.
@@ -191,7 +214,6 @@ public class Track implements TrackSpecification {
     @Override
     public Config.SpaceType getSpaceType(PositionVector position) {
 
-        //TODO: RETURN NULL OR CUSTOM ERROR?
         char charAtPosition = track.get(position.getY()).charAt(position.getX());
 
         ConfigSpecification.SpaceType[] spaceTypes = ConfigSpecification.SpaceType.values();
@@ -246,7 +268,6 @@ public class Track implements TrackSpecification {
     @Override
     public PositionVector getCarPos(int carIndex) {
         return findChar(cars.get(carIndex).getId());
-        //TODO: SHOULD WE GET CAR POSITION FROM TRACK STRING OR CAR OBJ
     }
 
     /**
@@ -271,8 +292,16 @@ public class Track implements TrackSpecification {
      */
     @Override
     public char getCharAtPosition(int y, int x, Config.SpaceType currentSpace) {
-        // TODO: implementation
-        throw new UnsupportedOperationException();
+        char charAtPos = track.get(y).charAt(x);
+        for (Car car : cars) {
+            if(charAtPos == car.getId()) {
+                if(car.isCrashed()) {
+                    return CRASH_INDICATOR;
+                }
+                return charAtPos;
+            }
+        }
+        return currentSpace.getValue();
     }
 
     /**