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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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104
src/main/java/ch/zhaw/pm2/racetrack/Game.java
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@ -1,10 +1,7 @@
package ch.zhaw.pm2.racetrack; package ch.zhaw.pm2.racetrack;
import ch.zhaw.pm2.racetrack.given.GameSpecification; 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.File;
import java.io.FileNotFoundException; import java.io.FileNotFoundException;
@ -33,9 +30,9 @@ public class Game implements GameSpecification {
public boolean initPhase() throws InvalidTrackFormatException, FileNotFoundException { public boolean initPhase() throws InvalidTrackFormatException, FileNotFoundException {
File folder = new File("tracks"); File folder = new File("tracks");
File[] listOfFiles = folder.listFiles(); File[] listOfFiles = folder.listFiles();
if(listOfFiles.length > 0) { if (listOfFiles.length > 0) {
List<String> tracks = new ArrayList<>(); List<String> tracks = new ArrayList<>();
for(File file : listOfFiles){ for (File file : listOfFiles) {
tracks.add(file.getName()); tracks.add(file.getName());
} }
File selectedTrack = listOfFiles[userInterface.selectOption("Select Track file", tracks)]; File selectedTrack = listOfFiles[userInterface.selectOption("Select Track file", tracks)];
@ -49,7 +46,7 @@ public class Game implements GameSpecification {
moveStrategies.add("User Move Strategy"); moveStrategies.add("User Move Strategy");
moveStrategies.add("Move List Strategy"); moveStrategies.add("Move List Strategy");
moveStrategies.add("Path Follow Move Strategy"); moveStrategies.add("Path Follow Move Strategy");
for(int i = 0; i < track.getCarCount() ; i++ ) { for (int i = 0; i < track.getCarCount(); i++) {
int moveStrategie = userInterface.selectOption( int moveStrategie = userInterface.selectOption(
"Select Strategy for Car " + i + " (" + track.getCarId(i) + ")", moveStrategies); "Select Strategy for Car " + i + " (" + track.getCarId(i) + ")", moveStrategies);
switch (moveStrategie + 1) { //TODO: set Movestrategy with method in Track switch (moveStrategie + 1) { //TODO: set Movestrategy with method in Track
@ -60,7 +57,14 @@ public class Game implements GameSpecification {
track.getCar(i).setMoveStrategy(new UserMoveStrategy(userInterface, i, track.getCarId(i))); //TODO: add Arguments track.getCar(i).setMoveStrategy(new UserMoveStrategy(userInterface, i, track.getCarId(i))); //TODO: add Arguments
break; break;
case 3: 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; break;
case 4: case 4:
track.getCar(i).setMoveStrategy(new PathFollowerMoveStrategy()); //TODO: add Arguments track.getCar(i).setMoveStrategy(new PathFollowerMoveStrategy()); //TODO: add Arguments
@ -68,8 +72,7 @@ public class Game implements GameSpecification {
} }
} }
return true; return true;
} } else {
else{
userInterface.printInformation("No Trackfile found!"); userInterface.printInformation("No Trackfile found!");
return false; return false;
} }
@ -78,6 +81,7 @@ public class Game implements GameSpecification {
/** /**
* Return the index of the current active car. * 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. * 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 * @return The zero-based number of the current car
*/ */
@Override @Override
@ -87,6 +91,7 @@ public class Game implements GameSpecification {
/** /**
* Get the id of the specified car. * Get the id of the specified car.
*
* @param carIndex The zero-based carIndex number * @param carIndex The zero-based carIndex number
* @return A char containing the id of the car * @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. * Get the position of the specified car.
*
* @param carIndex The zero-based carIndex number * @param carIndex The zero-based carIndex number
* @return A PositionVector containing the car's current position * @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. * Get the velocity of the specified car.
*
* @param carIndex The zero-based carIndex number * @param carIndex The zero-based carIndex number
* @return A PositionVector containing the car's current velocity * @return A PositionVector containing the car's current velocity
*/ */
@ -117,13 +124,14 @@ public class Game implements GameSpecification {
/** /**
* Return the winner of the game. If the game is still in progress, returns NO_WINNER. * 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 * @return The winning car's index (zero-based, see getCurrentCar()), or NO_WINNER if the game is still in progress
*/ */
@Override @Override
public int getWinner() { public int getWinner() {
List<Car> cars = track.getCars(); List<Car> cars = track.getCars();
for (Car car: cars) { for (Car car : cars) {
if(car.getWinPoints() == 1){ if (car.getWinPoints() == 1) {
return car.getID(); return car.getID();
} }
} }
@ -162,17 +170,16 @@ public class Game implements GameSpecification {
track.getCar(currentCarIndex).accelerate(acceleration); track.getCar(currentCarIndex).accelerate(acceleration);
PositionVector crashPosition = null; PositionVector crashPosition = null;
List<PositionVector> positionList = calculatePath(track.getCarPos(currentCarIndex),track.getCar(currentCarIndex).nextPosition()); List<PositionVector> positionList = calculatePath(track.getCarPos(currentCarIndex), track.getCar(currentCarIndex).nextPosition());
//TODO: check if Method calculatePath contains endposition //TODO: check if Method calculatePath contains endposition
for(PositionVector location : positionList) { //todo: check if order must be reversed for (PositionVector location : positionList) { //todo: check if order must be reversed
if(willCarCrash(currentCarIndex, location)) { if (willCarCrash(currentCarIndex, location)) {
crashPosition = location; crashPosition = location;
} }
} }
if(crashPosition != null) { if (crashPosition != null) {
track.carDoesCrash(currentCarIndex, crashPosition); track.carDoesCrash(currentCarIndex, crashPosition);
} } else {
else {
track.moveCar(currentCarIndex); track.moveCar(currentCarIndex);
calculateWinner(track.getCarPos(currentCarIndex), track.getCar(currentCarIndex).nextPosition(), currentCarIndex); calculateWinner(track.getCarPos(currentCarIndex), track.getCar(currentCarIndex).nextPosition(), currentCarIndex);
} }
@ -183,7 +190,7 @@ public class Game implements GameSpecification {
userInterface.printTrack(track); userInterface.printTrack(track);
Direction direction = track.getCar(currentCarIndex).getMoveStrategy().nextMove(); Direction direction = track.getCar(currentCarIndex).getMoveStrategy().nextMove();
doCarTurn(direction); doCarTurn(direction);
if(allCarsCrashed()) { if (allCarsCrashed()) {
return NO_WINNER; return NO_WINNER;
} }
switchToNextActiveCar(); switchToNextActiveCar();
@ -199,9 +206,8 @@ public class Game implements GameSpecification {
do { do {
if ((currentCarIndex + 1) == track.getCarCount()) { if ((currentCarIndex + 1) == track.getCarCount()) {
currentCarIndex = 0; currentCarIndex = 0;
} } else {
else { currentCarIndex++;
currentCarIndex ++;
} }
} while (track.getCar(currentCarIndex).isCrashed()); } while (track.getCar(currentCarIndex).isCrashed());
// TODO: evtl andere Kapselung // TODO: evtl andere Kapselung
@ -215,8 +221,9 @@ public class Game implements GameSpecification {
* - Detect which axis of the distance vector is longer (faster movement) * - 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. * - for each pixel on the 'faster' axis calculate the position on the 'slower' axis.
* Direction of the movement has to correctly considered * Direction of the movement has to correctly considered
*
* @param startPosition Starting position as a PositionVector * @param startPosition Starting position as a PositionVector
* @param endPosition Ending 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. * @return Intervening grid positions as a List of PositionVector's, including the starting and ending positions.
*/ */
@Override @Override
@ -244,20 +251,24 @@ public class Game implements GameSpecification {
int distanceSlowAxis, distanceFastAxis; int distanceSlowAxis, distanceFastAxis;
if (distX > distY) { if (distX > distY) {
// x axis is the 'fast' direction // x axis is the 'fast' direction
parallelStepX = dirX; parallelStepY = 0; // parallel step only moves in x direction parallelStepX = dirX;
diagonalStepX = dirX; diagonalStepY = dirY; // diagonal step moves in both directions parallelStepY = 0; // parallel step only moves in x direction
diagonalStepX = dirX;
diagonalStepY = dirY; // diagonal step moves in both directions
distanceSlowAxis = distY; distanceSlowAxis = distY;
distanceFastAxis = distX; distanceFastAxis = distX;
} else { } else {
// y axis is the 'fast' direction // y axis is the 'fast' direction
parallelStepX = 0; parallelStepY = dirY; // parallel step only moves in y direction parallelStepX = 0;
diagonalStepX = dirX; diagonalStepY = dirY; // diagonal step moves in both directions parallelStepY = dirY; // parallel step only moves in y direction
diagonalStepX = dirX;
diagonalStepY = dirY; // diagonal step moves in both directions
distanceSlowAxis = distX; distanceSlowAxis = distX;
distanceFastAxis = distY; distanceFastAxis = distY;
} }
int error = distanceFastAxis/2; int error = distanceFastAxis / 2;
for(int step = 0; step < distanceFastAxis; step ++) { for (int step = 0; step < distanceFastAxis; step++) {
error -= distanceSlowAxis; error -= distanceSlowAxis;
if (error < 0) { if (error < 0) {
error += distanceFastAxis; // correct error value to be positive again error += distanceFastAxis; // correct error value to be positive again
@ -270,55 +281,52 @@ public class Game implements GameSpecification {
y += parallelStepY; y += parallelStepY;
} }
pathList.add(new PositionVector(x,y)); pathList.add(new PositionVector(x, y));
} }
return pathList; return pathList;
} }
private void calculateWinner(PositionVector start, PositionVector finish, int carIndex ) { private void calculateWinner(PositionVector start, PositionVector finish, int carIndex) {
List<PositionVector> path = calculatePath(start, finish); List<PositionVector> path = calculatePath(start, finish);
for (PositionVector point : path){ for (PositionVector point : path) {
switch (track.getSpaceType(point)) { switch (track.getSpaceType(point)) {
case FINISH_UP: case FINISH_UP:
if(start.getY() < finish.getY()) { if (start.getY() < finish.getY()) {
track.getCar(carIndex).increaseWinPoints(); track.getCar(carIndex).increaseWinPoints();
} } else if (start.getY() > finish.getY()) {
else if(start.getY() > finish.getY()) {
track.getCar(carIndex).deductWinPoints(); track.getCar(carIndex).deductWinPoints();
} }
break; break;
case FINISH_DOWN: case FINISH_DOWN:
if(start.getY() > finish.getY()){ if (start.getY() > finish.getY()) {
track.getCar(carIndex).increaseWinPoints(); track.getCar(carIndex).increaseWinPoints();
} } else if (start.getY() < finish.getY()) {
else if (start.getY() < finish.getY()){
track.getCar(carIndex).deductWinPoints(); track.getCar(carIndex).deductWinPoints();
} }
break; break;
case FINISH_RIGHT: case FINISH_RIGHT:
if(start.getX() < finish.getX()){ if (start.getX() < finish.getX()) {
track.getCar(carIndex).increaseWinPoints(); track.getCar(carIndex).increaseWinPoints();
} } else if (start.getX() > finish.getX()) {
else if (start.getX() > finish.getX()){
track.getCar(carIndex).deductWinPoints(); track.getCar(carIndex).deductWinPoints();
} }
break; break;
case FINISH_LEFT: case FINISH_LEFT:
if(start.getX() > finish.getX()){ if (start.getX() > finish.getX()) {
track.getCar(carIndex).increaseWinPoints(); track.getCar(carIndex).increaseWinPoints();
} } else if (start.getX() < finish.getX()) {
else if (start.getX() < finish.getX()){
track.getCar(carIndex).increaseWinPoints(); track.getCar(carIndex).increaseWinPoints();
} }
break; break;
}
} }
}
} }
/** /**
* Does indicate if a car would have a crash with a WALL space or another car at the given position. * 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 carIndex The zero-based carIndex number
* @param position A PositionVector of the possible crash position * @param position A PositionVector of the possible crash position
* @return A boolean indicator if the car would crash with a WALL or another car. * @return A boolean indicator if the car would crash with a WALL or another car.
@ -329,8 +337,8 @@ public class Game implements GameSpecification {
} }
public boolean allCarsCrashed() { public boolean allCarsCrashed() {
for(int carIndex = 0; carIndex < track.getCarCount(); carIndex ++) { for (int carIndex = 0; carIndex < track.getCarCount(); carIndex++) {
if(! track.getCar(carIndex).isCrashed()) { if (!track.getCar(carIndex).isCrashed()) {
return false; return false;
} }
} }

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 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 { 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 @Override
public Direction nextMove() { public Direction nextMove() {
// TODO: implementation pointer += 1;
throw new UnsupportedOperationException(); 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());
}
}
}