Merge remote-tracking branch 'origin/main'

Klassendiagramm.drawio

@@ -0,0 +1 @@
+<mxfile host="Electron" modified="2022-03-22T17:46:19.706Z" agent="5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/16.5.1 Chrome/96.0.4664.110 Electron/16.0.7 Safari/537.36" etag="blTsmpdlGFIXdx0F82xm" version="16.5.1" type="device"><diagram id="C5RBs43oDa-KdzZeNtuy" name="Page-1">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</diagram></mxfile>

build.gradle

@@ -44,7 +44,7 @@ version = '2022.1'
 
 application {
     // Define the main class for the application.
-    mainClass = 'ch.zhaw.pm2.racetrack.ConsoleApp'
+    mainClass = 'ch.zhaw.pm2.racetrack.Main'
 }
 
 run {

follower/challenge_points.txt

@@ -0,0 +1,19 @@
+(X:40, Y:22)
+(X:43, Y:22)
+(X:46, Y:21)
+(X:48, Y:19)
+(X:48, Y:17)
+(X:46, Y:15)
+(X:41, Y:13)
+(X:41, Y:10)
+(X:46, Y:9)
+(X:49, Y:4)
+(X:40, Y:2)
+(X:30, Y:2)
+(X:21, Y:3)
+(X:16, Y:7)
+(X:13, Y:10)
+(X:14, Y:14)
+(X:11, Y:19)
+(X:13, Y:22)
+(X:24, Y:22)

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

@@ -24,6 +24,10 @@ public class Car implements CarSpecification {
      * Current position of the car on the track grid using a {@link PositionVector}
      */
     private PositionVector position;
+    /**
+     * Points that car is holding for determining winner.
+     */
+    private int winPoints;
 
     /**
      * Current velocity of the car using a {@link PositionVector}
@@ -59,6 +63,18 @@ public class Car implements CarSpecification {
         return id;
     }
 
+    public void increaseWinPoints() {
+        winPoints ++;
+    }
+
+    public void deductWinPoints() {
+        winPoints --;
+    }
+
+    public int getWinPoints() {
+        return winPoints;
+    }
+
     /**
      * Returns the current velocity of the car as a PositionVector.
      *

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

@@ -1,7 +1,11 @@
 package ch.zhaw.pm2.racetrack;
 
 import ch.zhaw.pm2.racetrack.given.GameSpecification;
+import ch.zhaw.pm2.racetrack.strategy.*;
 
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
 import java.util.List;
 
 import static ch.zhaw.pm2.racetrack.PositionVector.Direction;
@@ -13,59 +17,158 @@ import static ch.zhaw.pm2.racetrack.PositionVector.Direction;
  */
 public class Game implements GameSpecification {
     public static final int NO_WINNER = -1;
+    private Track track;
+    private int currentCarIndex;
+
+    UserInterface userInterface;
+
+    public Game(UserInterface userInterface) {
+        this.userInterface = userInterface;
+    }
+
+
+    public boolean initPhase() throws InvalidTrackFormatException {
+        File folder = new File("tracks");
+        File[] listOfFiles = folder.listFiles();
+        if (listOfFiles.length > 0) {
+            List<String> tracks = new ArrayList<>();
+            for (File file : listOfFiles) {
+                tracks.add(file.getName());
+            }
+            File selectedTrack = listOfFiles[userInterface.selectOption("Select Track file", tracks)];
+            selectTrack(selectedTrack);
+            List<String> moveStrategies = new ArrayList<>();
+            moveStrategies.add("Do not move Strategy");
+            moveStrategies.add("User Move Strategy");
+            moveStrategies.add("Move List Strategy");
+            moveStrategies.add("Path Follow Move Strategy");
+            for (int i = 0; i < track.getCarCount(); i++) {
+                Car car = track.getCar(i);
+                MoveStrategy moveStrategy = null;
+                while (moveStrategy == null) {
+                    String filePath;
+                    int moveStrategie = userInterface.selectOption(
+                        "Select Strategy for Car " + i + " (" + track.getCarId(i) + ")", moveStrategies);
+                    switch (moveStrategie + 1) {
+                        case 1:
+                            moveStrategy = new DoNotMoveStrategy();
+                            break;
+                        case 2:
+                            moveStrategy = new UserMoveStrategy(userInterface, i, track.getCarId(i));
+                            break;
+                        case 3:
+                            filePath = ".\\moves\\" + selectedTrack.getName().split("\\.")[0] + "-car-" + track.getCar(i).getID() + ".txt";
+                            try {
+                                moveStrategy = new MoveListStrategy(filePath);
+                            } catch (FileNotFoundException e) {
+                                userInterface.printInformation("There is no Move-List implemented. Choose another Strategy!");
+                            }
+                            //TODO: Backslash kompatibel für Linux
+                            break;
+                        case 4:
+                            filePath = ".\\follower\\" + selectedTrack.getName().split("\\.")[0] + "_points.txt";
+                            try {
+                                moveStrategy = new PathFollowerMoveStrategy(filePath, track.getCarPos(i));
+                            } catch (FileNotFoundException e) {
+                                userInterface.printInformation("There is no Point-List implemented. Choose another Strategy!");
+                            }
+                            break;
+                    }
+                }
+                selectMoveStrategy(car, moveStrategy);
+            }
+            return true;
+        } else {
+            userInterface.printInformation("No Trackfile found!");
+            return false;
+        }
+    }
+
+    /**
+     * The functionality was taken out of init to automate testing
+     *
+     * @param selectedTrack
+     */
+    Track selectTrack(File selectedTrack) {
+        try {
+            track = new Track(selectedTrack);
+            return track;
+        } catch (FileNotFoundException | PositionVectorNotValid | InvalidTrackFormatException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     * The functionality was taken out of init to automate testing
+     *
+     * @param car      to set the MoveStrategy
+     * @param strategy The movestrategy to set
+     */
+    void selectMoveStrategy(Car car, MoveStrategy strategy) {
+        car.setMoveStrategy(strategy);
+    }
 
     /**
      * Return the index of the current active car.
      * Car indexes are zero-based, so the first car is 0, and the last car is getCarCount() - 1.
+     *
      * @return The zero-based number of the current car
      */
     @Override
     public int getCurrentCarIndex() {
-        // TODO: implementation
+        return currentCarIndex;
-        throw new UnsupportedOperationException();
     }
 
     /**
      * Get the id of the specified car.
+     *
      * @param carIndex The zero-based carIndex number
      * @return A char containing the id of the car
      */
     @Override
     public char getCarId(int carIndex) {
-        // TODO: implementation
+        return track.getCarId(carIndex);
-        throw new UnsupportedOperationException();
     }
 
     /**
      * Get the position of the specified car.
+     *
      * @param carIndex The zero-based carIndex number
      * @return A PositionVector containing the car's current position
      */
     @Override
     public PositionVector getCarPosition(int carIndex) {
-        // TODO: implementation
+        return track.getCarPos(carIndex);
-        throw new UnsupportedOperationException();
     }
 
     /**
      * Get the velocity of the specified car.
+     *
      * @param carIndex The zero-based carIndex number
      * @return A PositionVector containing the car's current velocity
      */
     @Override
     public PositionVector getCarVelocity(int carIndex) {
-        // TODO: implementation
+        return track.getCarVelocity(carIndex);
-        throw new UnsupportedOperationException();
     }
 
     /**
      * Return the winner of the game. If the game is still in progress, returns NO_WINNER.
+     *
      * @return The winning car's index (zero-based, see getCurrentCar()), or NO_WINNER if the game is still in progress
      */
     @Override
     public int getWinner() {
-        // TODO: implementation
+        if (onlyOneCarLeft()) {
-        throw new UnsupportedOperationException();
+            return currentCarIndex;
+        }
+        for (int i = 0; i < track.getCarCount(); i++) {
+            if (track.getCar(i).getWinPoints() == 1) {
+                return i;
+            }
+        }
+        return NO_WINNER;
     }
 
     /**
@@ -95,9 +198,47 @@ public class Game implements GameSpecification {
      *                     for this turn
      */
     @Override
-    public void doCarTurn(Direction acceleration) {
+    public void doCarTurn(Direction acceleration) throws PositionVectorNotValid {
-        // TODO: implementation
+        track.getCar(currentCarIndex).accelerate(acceleration);
-        throw new UnsupportedOperationException();
+
+        PositionVector crashPosition = null;
+        List<PositionVector> positionList = calculatePath(track.getCarPos(currentCarIndex), track.getCar(currentCarIndex).nextPosition());
+        for (int i = 0; i < positionList.size(); i++) {
+            if (willCarCrash(currentCarIndex, positionList.get(i))) {
+                if (i == 0) {
+                    crashPosition = track.getCarPos(currentCarIndex);
+                } else {
+                    crashPosition = positionList.get(i - 1);
+                }
+                break;
+            }
+        }
+        if (crashPosition != null) {
+            track.carDoesCrash(currentCarIndex, crashPosition);
+        } else {
+            calculateWinner(track.getCarPos(currentCarIndex), track.getCar(currentCarIndex).nextPosition(), currentCarIndex);
+            track.moveCar(currentCarIndex);
+        }
+    }
+
+    public String gamePhase() throws PositionVectorNotValid {
+        while (carsMoving() && getWinner() == NO_WINNER) {
+            userInterface.printTrack(track);
+            Direction direction;
+            direction = track.getCar(currentCarIndex).getMoveStrategy().nextMove();
+            if (direction == null) {
+                track.getCar(currentCarIndex).setMoveStrategy(new DoNotMoveStrategy());
+                direction = track.getCar(currentCarIndex).getMoveStrategy().nextMove();
+            }
+            doCarTurn(direction);
+            switchToNextActiveCar();
+        }
+        userInterface.printTrack(track);
+        int indexWinner = getWinner();
+        if (indexWinner == NO_WINNER) {
+            return null;
+        }
+        return String.valueOf(track.getCar(indexWinner).getID());
     }
 
     /**
@@ -105,8 +246,14 @@ public class Game implements GameSpecification {
      */
     @Override
     public void switchToNextActiveCar() {
-        // TODO: implementation
+        do {
-        throw new UnsupportedOperationException();
+            if ((currentCarIndex + 1) == track.getCarCount()) {
+                currentCarIndex = 0;
+            } else {
+                currentCarIndex++;
+            }
+        } while (track.getCar(currentCarIndex).isCrashed());
+        // TODO: evtl andere Kapselung
     }
 
     /**
@@ -117,28 +264,139 @@ public class Game implements GameSpecification {
      * - Detect which axis of the distance vector is longer (faster movement)
      * - for each pixel on the 'faster' axis calculate the position on the 'slower' axis.
      * Direction of the movement has to correctly considered
+     *
      * @param startPosition Starting position as a PositionVector
      * @param endPosition   Ending position as a PositionVector
      * @return Intervening grid positions as a List of PositionVector's, including the starting and ending positions.
      */
     @Override
     public List<PositionVector> calculatePath(PositionVector startPosition, PositionVector endPosition) {
-        // TODO: implementation
+        ArrayList<PositionVector> pathList = new ArrayList<>();
-        throw new UnsupportedOperationException();
+        // Use Bresenham's algorithm to determine positions.
+        int x = startPosition.getX();
+        int y = startPosition.getY();
+
+        // Relative Distance (x & y axis) between end- and starting position
+        int diffX = endPosition.getX() - startPosition.getX();
+        int diffY = endPosition.getY() - startPosition.getY();
+
+        // Absolute distance (x & y axis) between end- and starting position
+        int distX = Math.abs(diffX);
+        int distY = Math.abs(diffY);
+
+        // Direction of vector on x & y axis (-1: to left/down, 0: none, +1 : to right/up)
+        int dirX = Integer.signum(diffX);
+        int dirY = Integer.signum(diffY);
+
+        // Determine which axis is the fast direction and set parallel/diagonal step values
+        int parallelStepX, parallelStepY;
+        int diagonalStepX, diagonalStepY;
+        int distanceSlowAxis, distanceFastAxis;
+        if (distX > distY) {
+            // x axis is the 'fast' direction
+            parallelStepX = dirX;
+            parallelStepY = 0; // parallel step only moves in x direction
+            diagonalStepX = dirX;
+            diagonalStepY = dirY; // diagonal step moves in both directions
+            distanceSlowAxis = distY;
+            distanceFastAxis = distX;
+        } else {
+            // y axis is the 'fast' direction
+            parallelStepX = 0;
+            parallelStepY = dirY; // parallel step only moves in y direction
+            diagonalStepX = dirX;
+            diagonalStepY = dirY; // diagonal step moves in both directions
+            distanceSlowAxis = distX;
+            distanceFastAxis = distY;
         }
 
+        int error = distanceFastAxis / 2;
+        for (int step = 0; step < distanceFastAxis; step++) {
+            error -= distanceSlowAxis;
+            if (error < 0) {
+                error += distanceFastAxis; // correct error value to be positive again
+                // step into slow direction; diagonal step
+                x += diagonalStepX;
+                y += diagonalStepY;
+            } else {
+                // step into fast direction; parallel step
+                x += parallelStepX;
+                y += parallelStepY;
+            }
+
+            pathList.add(new PositionVector(x, y));
+        }
+        return pathList;
+    }
+
+    private void calculateWinner(PositionVector start, PositionVector finish, int carIndex) {
+        List<PositionVector> path = calculatePath(start, finish);
+        for (PositionVector point : path) {
+            if (track.getSpaceType(point) != null) {
+                switch (track.getSpaceType(point)) {
+                    case FINISH_UP:
+                        if (start.getY() < finish.getY()) {
+                            track.getCar(carIndex).increaseWinPoints();
+                        } else if (start.getY() > finish.getY()) {
+                            track.getCar(carIndex).deductWinPoints();
+                        }
+                        break;
+                    case FINISH_DOWN:
+                        if (start.getY() > finish.getY()) {
+                            track.getCar(carIndex).increaseWinPoints();
+                        } else if (start.getY() < finish.getY()) {
+                            track.getCar(carIndex).deductWinPoints();
+                        }
+                        break;
+                    case FINISH_RIGHT:
+                        if (start.getX() < finish.getX()) {
+                            track.getCar(carIndex).increaseWinPoints();
+                        } else if (start.getX() > finish.getX()) {
+                            track.getCar(carIndex).deductWinPoints();
+                        }
+                        break;
+                    case FINISH_LEFT:
+                        if (start.getX() > finish.getX()) {
+                            track.getCar(carIndex).increaseWinPoints();
+                        } else if (start.getX() < finish.getX()) {
+                            track.getCar(carIndex).increaseWinPoints();
+                        }
+                        break;
+                }
+
+            }
+        }
+    }
 
 
     /**
      * 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
      * @param position A PositionVector of the possible crash position
      * @return A boolean indicator if the car would crash with a WALL or another car.
      */
     @Override
-    public boolean willCarCrash(int carIndex, PositionVector position) {
+    public boolean willCarCrash(int carIndex, PositionVector position) throws PositionVectorNotValid {
+        return track.willCrashAtPosition(carIndex, position);
+    }
 
+    public boolean onlyOneCarLeft() {
+        int carsLeft = 0;
+        for (int carIndex = 0; carIndex < track.getCarCount(); carIndex++) {
+            if (!track.getCar(carIndex).isCrashed()) {
+                carsLeft++;
+            }
+        }
+        return !(carsLeft > 1);
+    }
 
+    public boolean carsMoving() {
+        for (int carIndex = 0; carIndex < track.getCarCount(); carIndex++) {
+            if (!(track.getCar(carIndex).isCrashed() || track.getCar(carIndex).getMoveStrategy().getClass() == DoNotMoveStrategy.class)) {
                 return true;
             }
+        }
+        return false;
+    }
 }

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

@@ -7,4 +7,7 @@ public class InvalidTrackFormatException extends Exception {
     public InvalidTrackFormatException(String errorMessage) {
         super(errorMessage);
     }
+    public InvalidTrackFormatException() {
+        super();
+    }
 }

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

@@ -0,0 +1,40 @@
+package ch.zhaw.pm2.racetrack;
+
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+
+    public static void main(String[] args) throws InvalidTrackFormatException, PositionVectorNotValid {
+        UserInterface userInterface = new UserInterface("Hello and Welcome to Racetrack by Team02-\"AngryNerds\"");
+        while (true) {
+            Game game = new Game(userInterface);
+            String winner;
+            if (game.initPhase()) {
+                winner = game.gamePhase();
+                List<String> optionsNewGame = new ArrayList<>();
+                optionsNewGame.add("exit");
+                optionsNewGame.add("new game");
+                String winnerText;
+                if(winner == null){
+                    winnerText = "There was no winner.";
+                }
+                else {
+                    winnerText = "The Winner was Car " + winner;
+                }
+                int selectedOption = userInterface.selectOption(winnerText + "\nStart new Game?", optionsNewGame);
+                if(selectedOption == 0) {
+                    userInterface.quit("Thank you and goodbye\npress enter to close the application.");
+                    break;
+                }
+            }
+            else {
+                userInterface.quit("The initialisation of the game failed. Press enter to close the application.");
+                break;
+            }
+        }
+
+    }
+
+}

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

@@ -3,8 +3,7 @@ package ch.zhaw.pm2.racetrack;
 import ch.zhaw.pm2.racetrack.given.ConfigSpecification;
 import ch.zhaw.pm2.racetrack.given.TrackSpecification;
 
-import java.io.File;
+import java.io.*;
-import java.io.FileNotFoundException;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Scanner;
@@ -61,6 +60,7 @@ public class Track implements TrackSpecification {
     private List<String> track;
     private List<Car> cars;
     private final List<PositionVector> finishLine;
+    private ConfigSpecification.SpaceType finishTyp;
 
     /**
      * Initialize a Track from the given track file.
@@ -85,7 +85,7 @@ public class Track implements TrackSpecification {
      * @throws FileNotFoundException if the FilePath is invalid.
      */
     private void readFile(File trackFile) throws FileNotFoundException {
-        Scanner scanner = new Scanner(trackFile);
+        Scanner scanner = new Scanner(new FileInputStream(trackFile),"UTF-8");
         while (scanner.hasNextLine()) {
             track.add(scanner.nextLine());
         }
@@ -133,7 +133,7 @@ public class Track implements TrackSpecification {
         if (finishLine.size() == 0) {
             throw new InvalidTrackFormatException();
         }
-        ConfigSpecification.SpaceType finishTyp = getSpaceType(finishLine.get(0));
+        finishTyp = getSpaceType(finishLine.get(0));
         for (PositionVector positionVector : finishLine) {
             if (getSpaceType(positionVector) != finishTyp) {
                 throw new InvalidTrackFormatException();
@@ -208,12 +208,20 @@ public class Track implements TrackSpecification {
      * @param carIndex of the current car
      */
     private void makeCarMoveInTrack(int carIndex) {
-        PositionVector positionVector = findChar(getCarId(carIndex));
+        PositionVector carPositionVector = findChar(getCarId(carIndex));
         //Removes the Car at Current Pos
-        drawCharOnTrackIndicator(positionVector, ConfigSpecification.SpaceType.TRACK.getValue());
+        drawCharOnTrackIndicator(carPositionVector, ConfigSpecification.SpaceType.TRACK.getValue());
+
+        //Redraw finishline if Car was on finish-line Position
+        for(PositionVector finishLinePositionVector : finishLine){
+            if(finishLinePositionVector.equals(carPositionVector)){
+                drawCharOnTrackIndicator(carPositionVector, finishTyp.getValue());
+            }
+        }
+
         //Adds Car at new Position
-        positionVector = cars.get(carIndex).nextPosition();
+        carPositionVector = cars.get(carIndex).nextPosition();
-        drawCharOnTrackIndicator(positionVector, cars.get(carIndex).getID());
+        drawCharOnTrackIndicator(carPositionVector, cars.get(carIndex).getID());
     }
 
     /**
@@ -223,24 +231,30 @@ public class Track implements TrackSpecification {
      * @return true if car would crash. Else false.
      */
     public boolean willCrashAtPosition(int carIndex, PositionVector positionVector) throws PositionVectorNotValid {
-        isPositionVectorOnTrack(positionVector);
+        isPositionVectorOnTrack(positionVector); //TODO: remove this line? Or Method?
         char charAtPosition = track.get(positionVector.getY()).charAt(positionVector.getX());
         if (getCarId(carIndex) == charAtPosition) return false;
-        return (charAtPosition == ConfigSpecification.SpaceType.WALL.value);
+        return !(charAtPosition == ConfigSpecification.SpaceType.TRACK.value ||
+            charAtPosition == ConfigSpecification.SpaceType.FINISH_RIGHT.value ||
+            charAtPosition == ConfigSpecification.SpaceType.FINISH_LEFT.value ||
+            charAtPosition == ConfigSpecification.SpaceType.FINISH_UP.value ||
+            charAtPosition == ConfigSpecification.SpaceType.FINISH_DOWN.value);
     }
 
     /**
      * This Method will make the Car Crash. In Track and in the Car Object
      *
      * @param carIndex       representing current Car
-     * @param positionVector where the Crash did happen
+     * @param crashPositionVector where the Crash did happen
      */
-    public void carDoesCrash(int carIndex, PositionVector positionVector) throws PositionVectorNotValid{
+    public void carDoesCrash(int carIndex, PositionVector crashPositionVector) throws PositionVectorNotValid{
-        isPositionVectorOnTrack(positionVector);
+        isPositionVectorOnTrack(crashPositionVector); //TODO: remove this line? and Method?
+        PositionVector currentCarPosition = getCarPos(carIndex);
+        drawCharOnTrackIndicator(new PositionVector(currentCarPosition.getX(), currentCarPosition.getY()), ConfigSpecification.SpaceType.TRACK.getValue());
         Car car = cars.get(carIndex);
         car.crash();
-        car.setPosition(positionVector);
+        car.setPosition(crashPositionVector);
-        drawCharOnTrackIndicator(new PositionVector(positionVector.getX(), positionVector.getY()), CRASH_INDICATOR);
+        drawCharOnTrackIndicator(new PositionVector(crashPositionVector.getX(), crashPositionVector.getY()), CRASH_INDICATOR);
     }
 
     /**

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

@@ -22,6 +22,14 @@ public class UserInterface {
         textTerminal.println(welcomeText + "\n");
     }
 
+    /**
+     * Prints the given Text in textTerminal
+     * @param text The Text which should be printed.
+     */
+    public void printInformation(String text) {
+        textTerminal.println(text);
+    }
+
     /**
      * asks the user to choose one of the options given.
      * @param text Text which is printed befor the options are printed. Example: "Select Track file:"
@@ -29,7 +37,7 @@ public class UserInterface {
      * @return the list index of the selected option
      */
     public int selectOption(String text, List<String> options) {
-        textTerminal.println(text + ":\n");
+        textTerminal.println(text + ":");
         for(int option = 0; option < options.size(); option ++) {
             textTerminal.println(" " + (option + 1) +  ": " + options.get(option));
         }
@@ -44,7 +52,7 @@ public class UserInterface {
      */
     public PositionVector.Direction selectDirection(int playingCarIndex, char playingCarID) {
         PositionVector.Direction direction = null;
-        textTerminal.println("Playing Car " + playingCarIndex + ": " + playingCarIndex);
+        textTerminal.println("Playing Car " + playingCarIndex + ": " + playingCarID);
         textTerminal.println("Directions are based on the number pad:");
         textTerminal.println("7 8 9    7=up-left,    8=up,               9=up-right");
         textTerminal.println("4 5 6    4=left,       5=no acceleration,  6=right");
@@ -89,6 +97,15 @@ public class UserInterface {
             textTerminal.println(track.toString());
     }
 
+    /**
+     * Method to dispose the Textterminal
+     * @param text OUtput Text
+     */
+    public void quit(String text){
+        textIO.newStringInputReader().withMinLength(0).read(text);
+        textTerminal.dispose();
+    }
+
 
 
 }

src/main/java/ch/zhaw/pm2/racetrack/given/GameSpecification.java

@@ -1,6 +1,7 @@
 package ch.zhaw.pm2.racetrack.given;
 
 import ch.zhaw.pm2.racetrack.PositionVector;
+import ch.zhaw.pm2.racetrack.PositionVectorNotValid;
 
 import java.util.List;
 
@@ -18,11 +19,11 @@ public interface GameSpecification {
 
     int getWinner();
 
-    void doCarTurn(PositionVector.Direction acceleration);
+    void doCarTurn(PositionVector.Direction acceleration) throws PositionVectorNotValid;
 
     void switchToNextActiveCar();
 
     List<PositionVector> calculatePath(PositionVector startPosition, PositionVector endPosition);
 
-    boolean willCarCrash(int carIndex, PositionVector position);
+    boolean willCarCrash(int carIndex, PositionVector position) throws PositionVectorNotValid;
 }

src/main/java/ch/zhaw/pm2/racetrack/strategy/DoNotMoveStrategy.java

@@ -1,5 +1,7 @@
 package ch.zhaw.pm2.racetrack.strategy;
 
+import ch.zhaw.pm2.racetrack.PositionVector;
+
 import static ch.zhaw.pm2.racetrack.PositionVector.Direction;
 
 /**
@@ -9,7 +11,6 @@ public class DoNotMoveStrategy implements MoveStrategy {
 
     @Override
     public Direction nextMove() {
-        // TODO: implementation
+        return PositionVector.Direction.NONE;
-        throw new UnsupportedOperationException();
     }
 }

src/main/java/ch/zhaw/pm2/racetrack/strategy/MoveListStrategy.java

@@ -2,11 +2,44 @@ package ch.zhaw.pm2.racetrack.strategy;
 
 import ch.zhaw.pm2.racetrack.PositionVector.Direction;
 
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
 public class MoveListStrategy implements MoveStrategy {
 
+    private List<Direction> moveList;
+    private int pointer;
+
+    public MoveListStrategy(String path) throws FileNotFoundException{
+        moveList = new ArrayList<>();
+        pointer = -1;
+        readFile(new File(path));
+    }
+
+    private void readFile(File trackFile) throws FileNotFoundException {
+        Scanner scanner = new Scanner(new FileInputStream(trackFile), "UTF-8");
+        Direction[] directions = Direction.values();
+        while (scanner.hasNextLine()) {
+            String line = scanner.nextLine();
+            for (Direction direction : directions) {
+                if (direction.toString().equals(line)) {
+                    moveList.add(direction);
+                    break;
+                }
+            }
+        }
+    }
+
     @Override
     public Direction nextMove() {
-        // TODO: implementation
+        pointer += 1;
-        throw new UnsupportedOperationException();
+        if (pointer < moveList.size()) {
+            return moveList.get(pointer);
+        }
+        return null;
     }
 }

src/main/java/ch/zhaw/pm2/racetrack/strategy/PathFollowerMoveStrategy.java

@@ -1,15 +1,126 @@
 package ch.zhaw.pm2.racetrack.strategy;
 
+import ch.zhaw.pm2.racetrack.PositionVector;
 import ch.zhaw.pm2.racetrack.PositionVector.Direction;
 
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.Scanner;
+
 /**
  * The PathFollowerMoveStrategy class determines the next move based on a file containing points on a path.
  */
 public class PathFollowerMoveStrategy implements MoveStrategy {
 
+    /**
+     * The current Position of the car.
+     */
+    private PositionVector currentPosition;
+    /**
+     * The current Velocity of the car.
+     */
+    private PositionVector currentVelocity;
+    /**
+     * List of all points on the path.
+     */
+    private ArrayList<PositionVector> pointList;
+    /**
+     * The index of the next point on the path.
+     */
+    private int pointer;
+
+    /**
+     * Constructor to create a new PathFollowerMoveStrategy for a car.
+     * @param path The location where the file is saved
+     * @param startPosition The start position of the car
+     * @throws FileNotFoundException If the file with the given path does not exist.
+     */
+    public PathFollowerMoveStrategy(String path, PositionVector startPosition) throws FileNotFoundException {
+        pointList = new ArrayList<>();
+        pointer = 0;
+        readFile(new File(path));
+        currentPosition = startPosition;
+        currentVelocity = new PositionVector(0, 0);
+    }
+
+    /**
+     * Method to read the given File and add the points to the pointList
+     * @param trackFile the File Object which should be read
+     * @throws FileNotFoundException If the file with the given path does not exist.
+     */
+    public void readFile(File trackFile) throws FileNotFoundException {
+        Scanner scanner = new Scanner(new FileInputStream(trackFile), "UTF-8");
+        while (scanner.hasNextLine()) {
+            String line = scanner.nextLine();
+            String[] coordinates = line.split("(\\(X:|, Y:|\\))");
+            pointList.add(new PositionVector(Integer.parseInt(coordinates[1]), Integer.parseInt(coordinates[2])));
+        }
+    }
+
+    /**
+     * Method to select the direction for the next move.
+     * @return The direction for the next move. null if there are no points left in the list.
+     */
     @Override
     public Direction nextMove() {
-        // TODO: implementation
+        // if no more points in the list --> return null
-        throw new UnsupportedOperationException();
+        if (pointer >= pointList.size()) {
+            return null;
+        }
+
+        // increase pointer variable if the next point is reached.
+        if (pointList.get(pointer).equals(currentPosition)) {
+            pointer ++;
+        }
+
+        // calculate Vector from current Position to next Point
+        PositionVector movementVector = new PositionVector(pointList.get(pointer).getX() - currentPosition.getX(), pointList.get(pointer).getY() - currentPosition.getY());
+
+        // select acceleration for X
+        int accelerationX;
+        if((movementVector.getX() == 0 && currentVelocity.getX() > 0) || //reduce velocity to 0 if the destination coordinate is reached
+            (movementVector.getX() > 0 && movementVector.getX()/2.0 <= currentVelocity.getX()) || //increase velocity
+            (movementVector.getX() < 0 && movementVector.getX()/2.0 < currentVelocity.getX())){ //reduce velocity
+                accelerationX = -1;
+        } else if((movementVector.getX() == 0 && currentVelocity.getX() < 0) || //reduce velocity to 0 if the destination coordinate is reached
+            (movementVector.getX() > 0 && movementVector.getX()/2.0 > currentVelocity.getX()) || //increase velocity
+            (movementVector.getX() < 0 && movementVector.getX()/2.0 >= currentVelocity.getX())) { //reduce velocity
+                accelerationX = 1;
+        }
+        else { //no acceleration
+            accelerationX = 0;
+        }
+
+        // select acceleration for Y
+        int accelerationY;
+        if((movementVector.getY() == 0 && currentVelocity.getY() > 0) || //reduce velocity to 0 if the destination coordinate is reached
+            (movementVector.getY() > 0 && movementVector.getY()/2.0 <= currentVelocity.getY()) || //increase velocity
+            (movementVector.getY() < 0 && movementVector.getY()/2.0 < currentVelocity.getY())){ //reduce velocity
+                accelerationY = -1;
+        } else if((movementVector.getY() == 0 && currentVelocity.getY() < 0) || //reduce velocity to 0 if the destination coordinate is reached
+            (movementVector.getY() > 0 && movementVector.getY()/2.0 > currentVelocity.getY()) || //increase velocity
+            (movementVector.getY() < 0 && movementVector.getY()/2.0 >= currentVelocity.getY())) { //reduce velocity
+                accelerationY = 1;
+        }
+        else { //no acceleration
+            accelerationY = 0;
+        }
+
+        //update current Velocity and current Position with the selected acceleration
+        currentVelocity = new PositionVector(currentVelocity.getX() + accelerationX, currentVelocity.getY() + accelerationY);
+        currentPosition = new PositionVector(currentPosition.getX() + currentVelocity.getX(), currentPosition.getY() + currentVelocity.getY());
+
+        //Find Direction for acceleration
+        PositionVector acceleration = new PositionVector(accelerationX, accelerationY);
+        Direction[] directions = Direction.values();
+        for (Direction direction : directions) {
+            if (direction.vector.equals(acceleration)) {
+                return direction;
+            }
+        }
+    return null;
+
     }
 }

src/main/java/ch/zhaw/pm2/racetrack/strategy/UserMoveStrategy.java

@@ -1,15 +1,24 @@
 package ch.zhaw.pm2.racetrack.strategy;
 
 import ch.zhaw.pm2.racetrack.PositionVector.Direction;
+import ch.zhaw.pm2.racetrack.UserInterface;
 
 /**
  * Let the user decide the next move.
  */
 public class UserMoveStrategy implements MoveStrategy {
+    private UserInterface userInterface;
+    private int carIndex;
+    private char carID;
+
+    public UserMoveStrategy(UserInterface userInterface, int carIndex, char carID) {
+        this.userInterface = userInterface;
+        this.carIndex = carIndex;
+        this.carID = carID;
+    }
 
     @Override
     public Direction nextMove() {
-        // TODO: implementation
+        return userInterface.selectDirection(carIndex, carID);
-        throw new UnsupportedOperationException();
     }
 }

src/test/java/ch/zhaw/pm2/racetrack/CarTest.java

@@ -2,9 +2,11 @@
 package ch.zhaw.pm2.racetrack;
 
 import ch.zhaw.pm2.racetrack.strategy.*;
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
+import java.io.FileNotFoundException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -176,16 +178,51 @@ class CarTest {
         car.setMoveStrategy(moveStrategy);
         assertEquals(moveStrategy, car.getMoveStrategy());
 
-        moveStrategy = new MoveListStrategy();
+        try {
+            moveStrategy = new MoveListStrategy(".\\moves\\challenge-car-a.txt");
+        } catch (FileNotFoundException e) {
+            Assertions.fail();
+        }
         car.setMoveStrategy(moveStrategy);
         assertEquals(moveStrategy, car.getMoveStrategy());
 
-        moveStrategy = new PathFollowerMoveStrategy();
+        try {
+            moveStrategy = new PathFollowerMoveStrategy(".\\follower\\challenge_points.txt", new PositionVector(0, 0));
+        } catch (FileNotFoundException e) {
+            e.printStackTrace();
+        }
         car.setMoveStrategy(moveStrategy);
         assertEquals(moveStrategy, car.getMoveStrategy());
 
-        moveStrategy = new UserMoveStrategy();
+        moveStrategy = new UserMoveStrategy(new UserInterface("Hello"),0,'a');
         car.setMoveStrategy(moveStrategy);
         assertEquals(moveStrategy, car.getMoveStrategy());
     }
+
+    /**
+     * Test for get WinPoints
+     */
+    @Test
+    void getWinPoints() {
+        assertEquals(0,car.getWinPoints());
+    }
+
+    /**
+     * Test for increase WinPoints
+     */
+    @Test
+    void increaseWinPoints() {
+        car.increaseWinPoints();
+        assertEquals(1,car.getWinPoints());
+    }
+
+    /**
+     * Test for deduct WinPoints
+     */
+    @Test
+    void deductWinPoints() {
+        car.deductWinPoints();
+        assertEquals(-1,car.getWinPoints());
+    }
+
 }

src/test/java/ch/zhaw/pm2/racetrack/GameTest.java

@@ -0,0 +1,233 @@
+package ch.zhaw.pm2.racetrack;
+
+import ch.zhaw.pm2.racetrack.strategy.UserMoveStrategy;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Assertions;
+import java.io.File;
+import java.util.List;
+import static ch.zhaw.pm2.racetrack.Game.NO_WINNER;
+import static ch.zhaw.pm2.racetrack.PositionVector.Direction.*;
+
+
+/**
+ * Test for Class Game
+ */
+class GameTest {
+    private UserInterface userInterface;
+    private Game game;
+    private Track track;
+
+    private String TRACK_FILE_PATH = ".\\tracks\\challenge.txt";
+    private int CAR_INDEX_ONE = 0;
+    private int CAR_INDEX_TWO = 1;
+
+    /**
+     * This nested Class tests if the game gets initiatet correctly
+     */
+    @Nested
+    @DisplayName("Test correct Setup")
+    class Setup {
+
+        @BeforeEach
+        void setup() {
+            userInterface = new UserInterface("Test");
+            game = new Game(userInterface);
+            track = game.selectTrack(new File(TRACK_FILE_PATH));
+            game.selectMoveStrategy(track.getCar(CAR_INDEX_ONE), new UserMoveStrategy(new UserInterface("Testing"), CAR_INDEX_ONE, track.getCarId(CAR_INDEX_ONE)));
+            game.selectMoveStrategy(track.getCar(CAR_INDEX_TWO), new UserMoveStrategy(new UserInterface("Testing"), CAR_INDEX_TWO, track.getCarId(CAR_INDEX_TWO)));
+
+        }
+
+        @Test
+        void getCurrentCarIndex() {
+            Assertions.assertEquals(CAR_INDEX_ONE, game.getCurrentCarIndex());
+            game.switchToNextActiveCar();
+            Assertions.assertEquals(CAR_INDEX_TWO, game.getCurrentCarIndex());
+        }
+
+        @Test
+        void getCarId() {
+            Assertions.assertEquals('a', game.getCarId(0));
+            Assertions.assertEquals('b', game.getCarId(1));
+        }
+
+        @Test
+        void getCarPosition() {
+            Assertions.assertEquals(new PositionVector(24, 22), game.getCarPosition(0));
+            Assertions.assertEquals(new PositionVector(24, 24), game.getCarPosition(1));
+        }
+
+        @Test
+        void getCarVelocity() {
+            Assertions.assertEquals(new PositionVector(0, 0), game.getCarVelocity(0));
+            Assertions.assertEquals(new PositionVector(0, 0), game.getCarVelocity(1));
+        }
+
+        @Test
+        void getWinner() {
+            Assertions.assertEquals(NO_WINNER, game.getWinner());
+        }
+
+        @Test
+        void onlyOneCarLeft() {
+            Assertions.assertFalse(game.onlyOneCarLeft());
+        }
+
+        @Test
+        void carsMoving() {
+            Assertions.assertTrue(game.carsMoving());
+        }
+    }
+
+    /**
+     * This nested Class makes basic manipulation after Game init.
+     */
+    @Nested
+    @DisplayName("Basic manipulation")
+    class Manipulation {
+
+        @BeforeEach
+        void setup() {
+            userInterface = new UserInterface("Test");
+            game = new Game(userInterface);
+            track = game.selectTrack(new File(TRACK_FILE_PATH));
+            game.selectMoveStrategy(track.getCar(CAR_INDEX_ONE), new UserMoveStrategy(new UserInterface("Testing"), CAR_INDEX_ONE, track.getCarId(CAR_INDEX_ONE)));
+            game.selectMoveStrategy(track.getCar(CAR_INDEX_TWO), new UserMoveStrategy(new UserInterface("Testing"), CAR_INDEX_TWO, track.getCarId(CAR_INDEX_TWO)));
+
+        }
+
+        @Test
+        void carTurnCorrect() {
+            try {
+                game.doCarTurn(RIGHT);
+                Assertions.assertEquals(new PositionVector(1, 0), game.getCarVelocity(0));
+            } catch (PositionVectorNotValid positionVectorNotValid) {
+                positionVectorNotValid.printStackTrace();
+            }
+        }
+
+        @Test
+        void carCrash() {
+            try {
+                game.doCarTurn(PositionVector.Direction.UP);
+                Assertions.assertTrue(game.onlyOneCarLeft());
+            } catch (PositionVectorNotValid positionVectorNotValid) {
+                positionVectorNotValid.printStackTrace();
+            }
+        }
+    }
+
+    /**
+     * This nested Class tests a Playtrough. And implements a UserInterface interagtion to pretend a real player
+     */
+    @Nested
+    @DisplayName("Playtrough")
+    class Play {
+        private Game game;
+
+        @Test
+        void winner() {
+            game = new Game(new interFace("Test",new Integer[]{0,2,1},new PositionVector.Direction[]{RIGHT,
+                RIGHT,
+                RIGHT,
+                NONE,
+                NONE,
+                NONE,
+                NONE,
+                UP,
+                LEFT,
+                LEFT,
+                LEFT,
+                LEFT,
+                UP_LEFT,
+                NONE,
+                RIGHT,
+                RIGHT,
+                RIGHT,
+                NONE,
+                LEFT,
+                DOWN_LEFT,
+                DOWN_LEFT,
+                LEFT,
+                LEFT,
+                NONE,
+                RIGHT,
+                NONE,
+                DOWN,
+                DOWN,
+                RIGHT,
+                NONE,
+                RIGHT,
+                DOWN,
+                NONE,
+                UP_RIGHT,
+                RIGHT,
+                UP_RIGHT,
+                UP_RIGHT,
+                RIGHT,
+                RIGHT}));
+            try {
+                game.initPhase();
+                Assertions.assertEquals("a",game.gamePhase());
+            } catch (InvalidTrackFormatException | PositionVectorNotValid e) {
+                e.printStackTrace();
+            }
+        }
+
+        @Test
+        void crashA() {
+            game = new Game(new interFace("Test",new Integer[]{0,2,2},new PositionVector.Direction[]{UP}));
+            try {
+                game.initPhase();
+                Assertions.assertEquals("b",game.gamePhase());
+            } catch (InvalidTrackFormatException | PositionVectorNotValid e) {
+                e.printStackTrace();
+            }
+        }
+
+    }
+
+    private class interFace extends UserInterface {
+
+        private final PositionVector.Direction[] directions;
+        private final Integer[] instructions;
+        private int pointerDir,pointerInstruction;
+
+
+        public interFace(String welcometxt, Integer[] instructions, PositionVector.Direction[] directions) {
+            super(welcometxt);
+            pointerDir = -1;
+            pointerInstruction = -1;
+            this.instructions = instructions;
+            this.directions = directions;
+        }
+
+        @Override
+        public int selectOption(String text, List<String> options) {
+            pointerInstruction++;
+            return instructions[pointerInstruction];
+
+        }
+
+        public void printInformation(String text) {
+        }
+
+        public void printTrack(Track track) {
+        }
+
+        public void quit(String text) {
+        }
+
+        public PositionVector.Direction selectDirection(int playingCarIndex, char playingCarID) {
+            pointerDir += 1;
+            if(pointerDir < directions.length) {
+                return directions[pointerDir];
+            }
+            return NONE;
+        }
+
+    }
+}

src/test/java/ch/zhaw/pm2/racetrack/MoveStrategyTest.java

@@ -0,0 +1,40 @@
+package ch.zhaw.pm2.racetrack;
+
+import ch.zhaw.pm2.racetrack.strategy.MoveListStrategy;
+import ch.zhaw.pm2.racetrack.strategy.MoveStrategy;
+import org.junit.jupiter.api.*;
+
+import java.io.FileNotFoundException;
+
+public class MoveStrategyTest {
+
+    private MoveStrategy moveList;
+
+    @Nested
+    @DisplayName("MoveListStrategy")
+    class MoveList {
+
+
+        @BeforeEach
+        void setup() {
+            try {
+                moveList = new MoveListStrategy(".\\moves\\challenge-car-a.txt");
+            }catch (FileNotFoundException e) {
+                e.printStackTrace();
+            }
+        }
+
+        @Test
+        void checkMove() {
+            Assertions.assertEquals(PositionVector.Direction.RIGHT,moveList.nextMove());
+            for (int i = 0; i < 3; i++) {
+                moveList.nextMove();
+            }
+            Assertions.assertEquals(PositionVector.Direction.NONE,moveList.nextMove());
+            for (int i = 0; i < 40; i++) {
+                moveList.nextMove();
+            }
+            Assertions.assertNull(moveList.nextMove());
+        }
+    }
+}

tracks/.gitignore

@@ -1 +0,0 @@
-challenge_points.txt