ZHAW-IT21b_WIN
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team02-AngryNerds-projekt1-racetrack
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dev MoveListStrategy and test

This commit is contained in:
Andrin Fassbind 2022-03-18 18:02:10 +01:00
parent 504d5c62ef
commit 21da4feaf5
3 changed files with 131 additions and 50 deletions
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54
src/main/java/ch/zhaw/pm2/racetrack/Game.java
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@ -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.MoveListStrategy;
import ch.zhaw.pm2.racetrack.strategy.PathFollowerMoveStrategy;
import ch.zhaw.pm2.racetrack.strategy.UserMoveStrategy;
import ch.zhaw.pm2.racetrack.strategy.*;
import java.io.File;
import java.io.FileNotFoundException;
@ -60,7 +57,14 @@ public class Game implements GameSpecification {
track.getCar(i).setMoveStrategy(new UserMoveStrategy(userInterface, i, track.getCarId(i))); //TODO: add Arguments
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) {
//TODO: what if not valid
}
//TODO: Backslash kompatibel für Linux
break;
case 4:
track.getCar(i).setMoveStrategy(new PathFollowerMoveStrategy()); //TODO: add Arguments
@ -68,8 +72,7 @@ public class Game implements GameSpecification {
}
}
return true;
}
else{
} else {
userInterface.printInformation("No Trackfile found!");
return false;
}
@ -78,6 +81,7 @@ public class Game implements GameSpecification {
/**
* 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
@ -87,6 +91,7 @@ public class Game implements GameSpecification {
/**
* Get the id of the specified car.
*
* @param carIndex The zero-based carIndex number
* @return A char containing the id of the car
*/
@ -97,6 +102,7 @@ public class Game implements GameSpecification {
/**
* Get the position of the specified car.
*
* @param carIndex The zero-based carIndex number
* @return A PositionVector containing the car's current position
*/
@ -107,6 +113,7 @@ 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
*/
@ -117,6 +124,7 @@ public class Game implements GameSpecification {
/**
* 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
@ -171,8 +179,7 @@ public class Game implements GameSpecification {
}
if (crashPosition != null) {
track.carDoesCrash(currentCarIndex, crashPosition);
}
else {
} else {
track.moveCar(currentCarIndex);
calculateWinner(track.getCarPos(currentCarIndex), track.getCar(currentCarIndex).nextPosition(), currentCarIndex);
}
@ -199,8 +206,7 @@ public class Game implements GameSpecification {
do {
if ((currentCarIndex + 1) == track.getCarCount()) {
currentCarIndex = 0;
}
else {
} else {
currentCarIndex++;
}
} while (track.getCar(currentCarIndex).isCrashed());
@ -215,6 +221,7 @@ 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.
@ -244,14 +251,18 @@ public class Game implements GameSpecification {
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
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
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;
}
@ -282,32 +293,28 @@ public class Game implements GameSpecification {
case FINISH_UP:
if (start.getY() < finish.getY()) {
track.getCar(carIndex).increaseWinPoints();
}
else if(start.getY() > finish.getY()) {
} 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()){
} 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()){
} 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()){
} else if (start.getX() < finish.getX()) {
track.getCar(carIndex).increaseWinPoints();
}
break;
@ -319,6 +326,7 @@ public class Game implements GameSpecification {
/**
* 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.

37
src/main/java/ch/zhaw/pm2/racetrack/strategy/MoveListStrategy.java
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@ -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
throw new UnsupportedOperationException();
pointer += 1;
if (pointer < moveList.size()) {
return moveList.get(pointer);
}
return null;
}
}

40
src/test/java/ch/zhaw/pm2/racetrack/MoveStrategyTest.java Normal file
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@ -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());
}
}
}