80 lines
2.8 KiB
Java
80 lines
2.8 KiB
Java
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package project.chess;
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import java.awt.*;
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import java.util.ArrayList;
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import static project.ui.Display.loadImage;
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public class King extends ChessPiece {
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private final Image whiteKing = loadImage("./resources/chess_piece_2_black_king.png");
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private final Image blackKing = loadImage("./resources/chess_piece_2_white_king.png");
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public King(Board b, boolean isWhite, int x, int y) {
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super(b,isWhite,x,y);
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}
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public Image getImage(){
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if (isWhite)
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return whiteKing;
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return blackKing;
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}
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@Override
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public ArrayList<Move> getMoves() {
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ArrayList<Move> moves = new ArrayList<Move>();
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moves.addAll(super.getCardinalMoves(1));
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moves.addAll(super.getDiagonalMoves(1));
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if (isFirstMove){
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ChessPiece rook = null;
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// castling
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if (isWhite){
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if ((rook = b.get(0, 0)) != null && checkIfRookValid(rook))
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moves.add(new Move(2, 0, Move.SpecialConditions.leftCastle));
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if ((rook = b.get(b.size() - 1, 0)) != null && checkIfRookValid(rook))
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moves.add(new Move(b.size() - 2, 0, Move.SpecialConditions.rightCastle));
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} else {
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if ((rook = b.get(0, b.size()-1)) != null && checkIfRookValid(rook))
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moves.add(new Move(2, b.size()-1, Move.SpecialConditions.leftCastle));
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if ((rook = b.get(b.size() - 1, b.size()-1)) != null && checkIfRookValid(rook))
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moves.add(new Move(b.size() - 2, b.size()-1, Move.SpecialConditions.rightCastle));
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}
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}
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return moves;
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}
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@Override
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public void applySpecialMove(Move moveWithSpecial){
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Move.SpecialConditions specialCondition;
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specialCondition = moveWithSpecial.getSpecialCondition();
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if(specialCondition == Move.SpecialConditions.leftCastle)
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castleLeft();
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else if (specialCondition == Move.SpecialConditions.rightCastle)
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castleRight();
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}
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private void castleRight(){
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// casting has to move the rook on the right size of the king from white's perspective
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if (this.isWhite)
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b.set(b.size()-3, 0, b.get(b.size()-1, 0));
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else
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b.set(b.size()-3, b.size()-1, b.get(b.size()-1, b.size()-1));
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}
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private boolean checkIfRookValid(ChessPiece piece){
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return piece.isFirstMove() && piece instanceof Rook;
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}
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private void castleLeft(){
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// casting has to move the rook on the left size of the king from white's perspective
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if (this.isWhite)
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b.set(3, 0, b.get(0, 0));
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else
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b.set(3, b.size()-1, b.get(0, b.size()-1));
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}
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public King clone () {
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return new King(this.b,this.isWhite,this.x,this.y);
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}
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}
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