Merge pull request #26 from PM2-IT21bWIN-ruiz-mach-krea/MoveListFeature

Move list feature

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

@@ -1,10 +1,7 @@
 package ch.zhaw.pm2.racetrack;
 
 import ch.zhaw.pm2.racetrack.given.GameSpecification;
-import ch.zhaw.pm2.racetrack.strategy.DoNotMoveStrategy;
+import ch.zhaw.pm2.racetrack.strategy.*;
-import ch.zhaw.pm2.racetrack.strategy.MoveListStrategy;
-import ch.zhaw.pm2.racetrack.strategy.PathFollowerMoveStrategy;
-import ch.zhaw.pm2.racetrack.strategy.UserMoveStrategy;
 
 import java.io.File;
 import java.io.FileNotFoundException;
@@ -50,6 +47,7 @@ public class Game implements GameSpecification {
             moveStrategies.add("Move List Strategy");
             moveStrategies.add("Path Follow Move Strategy");
             for (int i = 0; i < track.getCarCount(); i++) {
+                while(track.getCar(i).getMoveStrategy() == null) {
                     int moveStrategie = userInterface.selectOption(
                         "Select Strategy for Car " + i + " (" + track.getCarId(i) + ")", moveStrategies);
                     switch (moveStrategie + 1) {
@@ -60,13 +58,21 @@ public class Game implements GameSpecification {
                             track.getCar(i).setMoveStrategy(new UserMoveStrategy(userInterface, i, track.getCarId(i)));
                             break;
                         case 3:
-                        track.getCar(i).setMoveStrategy(new MoveListStrategy()); //TODO: add Arguments
+                            String path = ".\\moves\\" + selectedTrack.getName().split("\\.")[0] + "-car-" + track.getCar(i).getID() + ".txt";
+                            try {
+                                MoveStrategy moveStrategy = new MoveListStrategy(path);
+                                track.getCar(i).setMoveStrategy(moveStrategy);
+                            } catch (FileNotFoundException e) {
+                                userInterface.printInformation("There is no MoveList implemented. Choose another Strategy!");
+                            }
+                            //TODO: Backslash kompatibel für Linux
                             break;
                         case 4:
                             track.getCar(i).setMoveStrategy(new PathFollowerMoveStrategy()); //TODO: add Arguments
                             break;
                     }
                 }
+            }
             return true;
         } else {
             userInterface.printInformation("No Trackfile found!");
@@ -109,7 +115,6 @@ public class Game implements GameSpecification {
 
     /**
      * Get the velocity of the specified car.
-     *
      * @param carIndex The zero-based carIndex number
      * @return A PositionVector containing the car's current velocity
      */

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 dir : directions) {
+                if (dir.toString().equals(line)) {
+                    moveList.add(dir);
+                    break;
+                }
+            }
+        }
+    }
+
     @Override
     public Direction nextMove() {
-        // TODO: implementation
+        pointer += 1;
-        throw new UnsupportedOperationException();
+        if (pointer < moveList.size()) {
+            return moveList.get(pointer);
+        }
+        return null;
     }
 }

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());
+        }
+    }
+}