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välj den korta implementationen

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loveb
2022-05-19 09:26:00 +02:00
parent 3139ca2db2
commit 5ace8e719b
1 changed files with 9 additions and 39 deletions
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48
src/schack/King.java
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@@ -18,61 +18,31 @@ public final class King extends Piece {
* @return
*/
private ArrayList<Point> getCastlingIfPossible(Piece[][] pieces) {
final ArrayList<Point> possibleCastling = new ArrayList<>();
ArrayList<Point> possibleCastling = new ArrayList<>();
if (this.isMoved()) {
return possibleCastling;
}
boolean[] somethingBetweenOrSchackOnTheWay = new boolean[2]; // Vänster, höger
final int LEFT_MODIFIER = -1, RIGHT_MODIFIER = 1;
for (final int modifier : new int[]{LEFT_MODIFIER, RIGHT_MODIFIER}) {
int left_modifier = -1, right_modifier = 1;
for (int modifier : new int[]{left_modifier, right_modifier}) {
for (int loopX = this.position.x + modifier; loopX > 0 && loopX < 7; loopX += modifier) {
if (pieces[loopX][this.position.y] != null || isInSchack(pieces, new Point(loopX, this.position.y))) {
somethingBetweenOrSchackOnTheWay[(modifier == LEFT_MODIFIER) ? 0 : 1] = true;
somethingBetweenOrSchackOnTheWay[(modifier == left_modifier) ? 0 : 1] = true;
break;
}
}
}
final int LEFT_DIRECTION = 0, RIGHT_DIRECTION = 1;
for (final int direction : new int[]{LEFT_DIRECTION, RIGHT_DIRECTION}) {
left_modifier = 0;
right_modifier = 1;
for (int direction : new int[]{left_modifier, right_modifier}) {
if (!somethingBetweenOrSchackOnTheWay[direction]) {
final Piece possibleRook = pieces[direction == LEFT_DIRECTION ? 0 : 7][this.position.y];
Piece possibleRook = pieces[direction == left_modifier ? 0 : 7][this.position.y];
if (possibleRook != null && !possibleRook.isMoved()) {
possibleCastling.add(new Point(direction == LEFT_DIRECTION ? 2 : 6, this.position.y));
possibleCastling.add(new Point(direction == left_modifier ? 2 : 6, this.position.y));
}
}
}
/*
// Vänster
boolean nothingInBetweenAndNotSchackOnTheWay = true;
for (int loopX = this.position.x - 1; loopX > 0; loopX--) {
if (pieces[loopX][this.position.y] != null || isInSchack(pieces, new Point(loopX, this.position.y))) {
nothingInBetweenAndNotSchackOnTheWay = false;
break;
}
}
if (nothingInBetweenAndNotSchackOnTheWay) {
Piece possibleRook = pieces[0][this.position.y];
if (possibleRook != null && !possibleRook.isMoved()) {
possibleCastling.add(new Point(2, this.position.y));
}
}
// Höger
nothingInBetweenAndNotSchackOnTheWay = true;
for (int loopX = this.position.x + 1; loopX < 7; loopX++) {
if (pieces[loopX][this.position.y] != null || isInSchack(pieces, new Point(loopX, this.position.y))) {
nothingInBetweenAndNotSchackOnTheWay = false;
break;
}
}
if (nothingInBetweenAndNotSchackOnTheWay) {
Piece possibleRook = pieces[7][this.position.y];
if (possibleRook != null && !possibleRook.isMoved()) {
possibleCastling.add(new Point(6, this.position.y));
}
}
*/
return possibleCastling;
}