created Class_UserInterface

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

@@ -0,0 +1,94 @@
+package ch.zhaw.pm2.racetrack;
+
+import org.beryx.textio.TextIO;
+import org.beryx.textio.TextIoFactory;
+import org.beryx.textio.TextTerminal;
+
+import java.util.List;
+
+public class UserInterface {
+
+    private final TextIO textIO;
+    private final TextTerminal<?> textTerminal;
+
+    /**
+     * Opens a new Terminal Window and prints the welcome Text
+     * @param welcomeText The Text which will be printed after the windows is opened.
+     */
+    public UserInterface(String welcomeText) {
+        textIO = TextIoFactory.getTextIO();
+        textTerminal = textIO.getTextTerminal();
+
+        textTerminal.println(welcomeText + "\n");
+    }
+
+    /**
+     * 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:"
+     * @param options List with the options which can be selected.
+     * @return the list index of the selected option
+     */
+    public int selectOption(String text, List<String> options) {
+        textTerminal.println(text + ":\n");
+        for(int option = 0; option < options.size(); option ++) {
+            textTerminal.println(" " + (option + 1) +  ": " + options.get(option));
+        }
+        return textIO.newIntInputReader().withMinVal(1).withMaxVal(options.size()).read("Enter your choice: ") - 1;
+    }
+
+    /**
+     * gives information which player's turn it is and asks for the direction to accelerate
+     * @param playingCarIndex the index of the player
+     * @param playingCarID the ID of the player
+     * @return the direction which is selected by the player. If null -> quit game
+     */
+    public PositionVector.Direction selectDirection(int playingCarIndex, char playingCarID) {
+        PositionVector.Direction direction = null;
+        textTerminal.println("Playing Car " + playingCarIndex + ": " + playingCarIndex);
+        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");
+        textTerminal.println("1 2 3    1=down-left,  2=down,             3=down-right");
+        textTerminal.println("\n10 = quit \n");
+
+        while (direction == null) { //asks until a valid input in entered
+            int number = textIO.newIntInputReader().withMinVal(1).withMaxVal(10).read("choose your Acceleration direction: ");
+            if (number == 10) { //quit game
+                return null;
+            }
+            direction = getDirection(number);
+        }
+        return direction;
+    }
+
+    /**
+     * returns the the associated direction Object
+     * @param number the number which was typed by the user
+     * @return the associated direction. If null -> unknown number
+     */
+    private PositionVector.Direction getDirection(int number) {
+        return switch (number) {
+            case 1 -> PositionVector.Direction.DOWN_LEFT;
+            case 2 -> PositionVector.Direction.DOWN;
+            case 3 -> PositionVector.Direction.DOWN_RIGHT;
+            case 4 -> PositionVector.Direction.LEFT;
+            case 5 -> PositionVector.Direction.NONE;
+            case 6 -> PositionVector.Direction.RIGHT;
+            case 7 -> PositionVector.Direction.UP_LEFT;
+            case 8 -> PositionVector.Direction.UP;
+            case 9 -> PositionVector.Direction.UP_RIGHT;
+            default -> null;
+        };
+    }
+
+    /**
+     * prints the given Track in the terminal
+     * @param track the track which should be printed
+     */
+    public void printTrack(Track track) {
+            textTerminal.println(track.toString());
+    }
+
+
+
+}

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

@@ -1,187 +0,0 @@
-
-package ch.zhaw.pm2.racetrack;
-
-import ch.zhaw.pm2.racetrack.strategy.*;
-import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Test;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
-import static org.junit.jupiter.api.Assertions.*;
-
-/**
- * Tests for Class Car
- */
-class CarTest {
-
-    Car car;
-
-    // Default coordinates for tests
-    int DEFAULT_X = 10;
-    int DEFAULT_Y = 10;
-    char DEFAULT_ID = 'f';
-
-    /**
-     * Create a new Car Object and set Position to a defined Default Position
-     */
-    @BeforeEach
-    void setUp() {
-        car = new Car(DEFAULT_ID, new PositionVector(DEFAULT_X, DEFAULT_Y));
-    }
-
-    @Test
-    void getID() {
-        assertEquals(DEFAULT_ID, car.getID());
-    }
-
-    /**
-     * Method to check nextPosition with coordinates as int
-     *
-     * @param x the expected value for x coordinate
-     * @param y the expected value for y coordinate
-     */
-    void checkNextPosition(int x, int y) {
-        assertEquals(new PositionVector(x, y), car.nextPosition());
-    }
-
-    /**
-     * - checks if the position of the car can be set and saved correctly with valid positions.
-     * - checks if an exception is throwed and position keeps unchanged if invalid coordinates are entered.
-     */
-    @Test
-    void setPosition() {
-        checkNextPosition(DEFAULT_X, DEFAULT_Y);
-
-        // List of valid Positions
-        List<PositionVector> validPositions = new ArrayList<>();
-        validPositions.add(new PositionVector(20, 20));
-        validPositions.add(new PositionVector(0, 0));
-        validPositions.add(new PositionVector(20, 0));
-        validPositions.add(new PositionVector(0, 20));
-
-        for (PositionVector positionVector : validPositions) {
-            car.setPosition(positionVector);
-            assertEquals(positionVector, car.nextPosition());
-        }
-
-        // List of invalid positions.
-        List<PositionVector> invalidPositions = new ArrayList<>();
-        invalidPositions.add(new PositionVector(0, -20));
-        invalidPositions.add(new PositionVector(-20, 0));
-        invalidPositions.add(new PositionVector(-20, -20));
-
-        for (PositionVector positionVector : invalidPositions) {
-            boolean exception = false;
-            try {
-                car.setPosition(positionVector);
-            } catch (IllegalArgumentException e) {
-                exception = true;
-            }
-            assertTrue(exception);
-
-            // position should keep unchanged
-            checkNextPosition(DEFAULT_X, DEFAULT_Y);
-        }
-    }
-
-    void checkVelocity(int x, int y) {
-        assertEquals(new PositionVector(x, y), car.getVelocity());
-    }
-
-
-    /**
-     * Checks if the methods accelerate, move and getVelocity are working correctly with acceleration in all directions.
-     * Checks also if velocity is calculated correctly if method accelerate is called a second time.
-     */
-    @Test
-    void movement() {
-        // add all possible directions in a List
-        List<PositionVector.Direction> directions = Arrays.asList(PositionVector.Direction.values());
-
-        //position shouldn't be changed because velocity should be 0.
-        car.move();
-        checkNextPosition(DEFAULT_X, DEFAULT_Y);
-
-        for (PositionVector.Direction direction1 : directions) {
-
-            //create a new instance of Car with default coordinates and velocity 0.
-            setUp();
-
-            //variables to save the actual expected result of method nextPosition
-            int expectedNextPosX = DEFAULT_X;
-            int expectedNextPosY = DEFAULT_Y;
-
-            //variables to save the acutal expected result of method getVelocity
-            int expectedVelocityX = 0;
-            int expectedVelocityY = 0;
-
-            car.accelerate(direction1);
-            expectedVelocityX += direction1.vector.getX();
-            expectedVelocityY += direction1.vector.getY();
-            expectedNextPosX += direction1.vector.getX();
-            expectedNextPosY += direction1.vector.getY();
-            checkVelocity(expectedVelocityX, expectedVelocityY);
-            checkNextPosition(expectedNextPosX, expectedNextPosY);
-
-            car.move();
-            expectedNextPosX += direction1.vector.getX();
-            expectedNextPosY += direction1.vector.getY();
-            checkVelocity(expectedVelocityX, expectedVelocityY);
-            checkNextPosition(expectedNextPosX, expectedNextPosY);
-
-            for (PositionVector.Direction direction2 : directions) {
-                car.accelerate(direction2);
-                expectedVelocityX += direction2.vector.getX();
-                expectedVelocityY += direction2.vector.getY();
-                expectedNextPosX += direction2.vector.getX();
-                expectedNextPosY += direction2.vector.getY();
-                checkVelocity(expectedVelocityX, expectedVelocityY);
-                checkNextPosition(expectedNextPosX, expectedNextPosY);
-
-                car.move();
-                checkVelocity(expectedVelocityX, expectedVelocityY);
-                expectedNextPosX += (direction1.vector.getX() + direction2.vector.getX());
-                expectedNextPosY += (direction1.vector.getY() + direction2.vector.getY());
-                checkNextPosition(expectedNextPosX, expectedNextPosY);
-            }
-        }
-    }
-
-
-    /**
-     * test for methods crash and isCrashed. checks if state crashed is set and returned correctly.
-     */
-    @Test
-    void crash() {
-        assertFalse(car.isCrashed());
-        car.crash();
-        assertTrue(car.isCrashed());
-    }
-
-    /**
-     * test for methods setMoveStrategy. Checks if the MoveStrategy Object is saved and returned correctly
-     * with all Types of MoveStrategy.
-     */
-    @Test
-    void MoveStrategy() {
-        MoveStrategy moveStrategy;
-
-        moveStrategy = new DoNotMoveStrategy();
-        car.setMoveStrategy(moveStrategy);
-        assertEquals(moveStrategy, car.getMoveStrategy());
-
-        moveStrategy = new MoveListStrategy();
-        car.setMoveStrategy(moveStrategy);
-        assertEquals(moveStrategy, car.getMoveStrategy());
-
-        moveStrategy = new PathFollowerMoveStrategy();
-        car.setMoveStrategy(moveStrategy);
-        assertEquals(moveStrategy, car.getMoveStrategy());
-
-        moveStrategy = new UserMoveStrategy();
-        car.setMoveStrategy(moveStrategy);
-        assertEquals(moveStrategy, car.getMoveStrategy());
-    }
-}