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package ch.epfl.xblast.server;
import ch.epfl.xblast.PlayerID;
import ch.epfl.xblast.Cell;
import ch.epfl.cs108.Sq;
import ch.epfl.xblast.ArgumentChecker;
import ch.epfl.xblast.Direction;
import java.util.Objects;
import java.util.List;
import java.util.ArrayList;
/**
* A Bomb.
*
* @author Pacien TRAN-GIRARD (261948)
* @author Timothée FLOURE (257420)
*/
public final class Bomb {
private PlayerID ownerId;
private Cell position;
private Sq<Integer> fuseLengths;
private int range;
/**
* Generates one arm of explosion.
*/
private Sq<Sq<Cell>> explosionArmTowards(Direction dir) {
return Sq.constant( Sq.iterate(position, position -> position.neighbor(dir)).limit(range)).limit(Ticks.EXPLOSION_TICKS);
}
/**
* Instantiates a new Bomb.
*
* @param ownerId id of the owner of the bomb
* @param position position of the bomb
* @param fuseLengths length of the bomb's fuse
* @param range range of the bomb
* @throws IllegalArgumentException if range is negative or fuseLenghts is empty
* @throws NullPointerException if ownerId, position or fuseLengths is null
*/
public Bomb(PlayerID ownerId, Cell position, Sq<Integer> fuseLengths, int range) {
this.ownerId = Objects.requireNonNull(ownerId);
this.position = Objects.requireNonNull(position);
if (fuseLengths.isEmpty()) {
throw new IllegalArgumentException();
} else {
this.fuseLengths = Objects.requireNonNull(fuseLengths);
}
this.range = ArgumentChecker.requireNonNegative(range);
}
/**
* Instantiates a new Bomb.
*
* @param ownerId id of the owner of the bomb
* @param position position of the bomb
* @param fuseLength length of the bomb's fuse
* @param range range of the bomb
* @throws IllegalArgumentException if range or fuseLengths is negative
* @throws NullPointerException if ownerId, position or fuseLengths is null
*/
public Bomb(PlayerID ownerId, Cell position, int fuseLength, int range) {
this(ownerId, position, Sq.iterate(fuseLength, fl -> fl - 1 ), range);
}
/**
* @return the ID of the owner of the bomb
*/
public PlayerID ownerId() {
return ownerId;
}
/**
* @return the position of the bomb
*/
public Cell position() {
return position;
}
/**
* @return the length of the fuse
*/
public Sq<Integer> fuseLengths() {
return fuseLengths;
}
/**
* @return the remaining time before the explosion
*/
public int fuseLength() {
return fuseLengths.head();
}
/**
* @return the range of the Bomb
*/
public int range() {
return range;
}
/**
* @return the explosion
*/
public List<Sq<Sq<Cell>>> explosion() {
List<Sq<Sq<Cell>>> explosion = new ArrayList<>();
for (Direction dir : Direction.values()) {
explosion.add(explosionArmTowards(dir));
}
return explosion;
}
}
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