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Tidying up Ghost

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Urban Modig
2025-08-21 14:31:08 +02:00
parent dc9dad4d9c
commit e8112f1cbb
1 changed files with 44 additions and 16 deletions
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60
src/main/java/se/urmo/game/entities/Ghost.java
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@ -74,30 +74,58 @@ public class Ghost {
}
private void updatePosition(PacMan pacman, GameMap map) {
// only move ghost on update interval - this is basically ghost speed;
if (movementTick >= GHOST_MOVEMENT_UPDATE_FREQUENCY) {
if (isAlligned(position)) {
log.info("Evaluating possible directions");
prevDirection = direction;
direction = chooseDirection(
prioritize(collisionChecker.calculateDirectionAlternatives(position)),
currentStrategy.chooseTarget(this, pacman, map));
log.info("selecting direction {}", direction);
}
chooseDirection(pacman, map);
Point newPosition = new Point(
position.x + direction.dx,
position.y + direction.dy);
log.debug("Next position {}", newPosition);
Point newPosition = getNewPosition();
Point destination = collisionChecker.canMoveTo(direction, newPosition);
move(newPosition);
if (destination != null) {
position = destination;
}
movementTick = 0;
} else movementTick++;
}
/**
* Given a position and a direction - calculate the new position
*
* @return new position
*/
private Point getNewPosition() {
Point point = new Point(
position.x + direction.dx,
position.y + direction.dy);
log.debug("Next position {}", point);
return point;
}
/**
* Choose a new direction when 'aligned' ie when in the exact middle of a tile
* else continue with the existing direction.
*
* @param pacman
* @param map
*/
private void chooseDirection(PacMan pacman, GameMap map) {
if (isAlligned(position)) {
log.info("Evaluating possible directions");
prevDirection = direction;
direction = chooseDirection(
prioritize(collisionChecker.calculateDirectionAlternatives(position)),
currentStrategy.chooseTarget(this, pacman, map));
log.info("selecting direction {}", direction);
}
}
private void move(Point newPosition) {
Point destination = collisionChecker.canMoveTo(direction, newPosition);
if (destination != null) {
position = destination;
}
}
private Map<Direction, Integer> prioritize(List<Direction> directions) {
return directions.stream()
.filter(d -> d != Direction.NONE)