Most pieces move as expected (pawns need work)

Now able to build and publish as static
This commit is contained in:
Sage Vaillancourt 2020-12-28 15:12:35 -05:00
parent 21951b4891
commit 14956ab4d5
2 changed files with 301 additions and 44 deletions

View File

@ -34,5 +34,6 @@
"last 1 firefox version",
"last 1 safari version"
]
}
},
"homepage": "./"
}

View File

@ -3,24 +3,72 @@ import ReactDOM from 'react-dom';
import './index.css';
const Pieces = {
WhitePawn: './white_pawn.png',
WhiteRook: './white_rook.png',
WhiteKnight: './white_knight.png',
WhiteBishop: './white_bishop.png',
WhiteQueen: './white_queen.png',
WhiteKing: './white_king.png',
WhitePawn: 0,
WhiteRook: 1,
WhiteKnight: 2,
WhiteBishop: 3,
WhiteQueen: 4,
WhiteKing: 5,
BlackPawn: './black_pawn.png',
BlackRook: './black_rook.png',
BlackKnight: './black_knight.png',
BlackBishop: './black_bishop.png',
BlackQueen: './black_queen.png',
BlackKing: './black_king.png',
BlackPawn: 6,
BlackRook: 7,
BlackKnight: 8,
BlackBishop: 9,
BlackQueen: 10,
BlackKing: 11
};
const Images = [
'./white_pawn.png',
'./white_rook.png',
'./white_knight.png',
'./white_bishop.png',
'./white_queen.png',
'./white_king.png',
'./black_pawn.png',
'./black_rook.png',
'./black_knight.png',
'./black_bishop.png',
'./black_queen.png',
'./black_king.png',
];
function isBlack(piece) {
return piece >= Pieces.BlackPawn;
}
function isWhite(piece) {
return !isBlack(piece);
}
function isPawn(piece) {
return piece === Pieces.WhitePawn || piece === Pieces.BlackPawn;
}
function isRook(piece) {
return piece === Pieces.WhiteRook || piece === Pieces.BlackRook;
}
function isBishop(piece) {
return piece === Pieces.WhiteBishop || piece === Pieces.BlackBishop;
}
function isQueen(piece) {
return piece === Pieces.WhiteQueen || piece === Pieces.BlackQueen;
}
function isKnight(piece) {
return piece === Pieces.WhiteKnight || piece === Pieces.BlackKnight;
}
function isKing(piece) {
return piece === Pieces.WhiteKing || piece === Pieces.BlackKing;
}
function Square(props) {
let bg = {
backgroundImage: `url(${props.value})`,
backgroundImage: `url(${Images[props.value]})`,
// backgroundColor: "lightblue",
};
if (props.value != null) {
@ -47,11 +95,22 @@ class Board extends React.Component {
super(props);
this.state = {
squares: this.reset(),
xIsNext: true,
blackIsNext: true,
hand: {
heldPiece: null,
},
};
this.reset();
}
setHand(hand) {
this.setState({
squares: this.state.squares,
blackIsNext: this.state.blackIsNext,
hand: hand,
});
}
reset() {
let whiteRow = [
Pieces.WhiteRook,
@ -81,16 +140,215 @@ class Board extends React.Component {
return squares;
}
getXandY(i) {
let x = i % 8;
let y = Math.floor(i / 8);
return [x, y];
}
squareAt(x, y) {
let i = x + (y * 8);
if (i < 64 && x < 8 && y < 8) {
return this.state.squares[x + (y * 8)];
} else {
return null;
}
}
whiteAt(x, y) {
let square = this.squareAt(x, y);
if (square == null) {
return false;
}
return square < Pieces.BlackPawn;
}
blackAt(x, y) {
let square = this.squareAt(x, y);
if (square == null) {
return false;
}
return square >= Pieces.BlackPawn;
}
isEnemyOf(piece, x, y) {
let pieceIsBlack = isBlack(piece);
return pieceIsBlack ? this.whiteAt(x, y) : this.blackAt(x, y);
}
getValidMovesAt(piece, x, y) {
var i;
var moves = [];
let tryAddMove = (x, y) => {
if (this.squareAt(x, y) == null) {
moves.push([x, y]);
// Keep searching
return 0;
} else if (this.isEnemyOf(piece, x, y)) {
moves.push([x, y]);
}
// Stop searching
return 1;
};
if (isPawn(piece)) {
let pieceIsBlack = isBlack(piece);
let shift = pieceIsBlack ? -1 : 1;
let startLine = pieceIsBlack ? 6 : 1;
if (y === startLine) {
return [
[x, y + shift],
[x, y + (shift * 2)],
];
} else {
return [
[x, y + shift],
];
}
} else if (isRook(piece)) {
// Down
for (i = y + 1; i < 8; i++) {
if (tryAddMove(x, i) !== 0) {
break;
}
}
// Up
for (i = y - 1; i >= 0; i--) {
if (tryAddMove(x, i) !== 0) {
break;
}
}
// Right
for (i = x + 1; i < 8; i++) {
if (tryAddMove(i, y) !== 0) {
break;
}
}
// Left
for (i = x - 1; i >= 0; i--) {
if (tryAddMove(i, y) !== 0) {
break;
}
}
} else if (isBishop(piece)) {
console.log("Bishop");
// Down-Right
for (i = 1; i < 8; i++) {
if (tryAddMove(x + i, y + i) !== 0) {
break;
}
}
// Up-Right
for (i = 1; i < 8; i++) {
if (tryAddMove(x + i, y - i) !== 0) {
break;
}
}
// Down-Left
for (i = 1; i < 8; i++) {
if (tryAddMove(x - i, y + i) !== 0) {
break;
}
}
// Up-Left
for (i = 1; i < 8; i++) {
if (tryAddMove(x - i, y - i) !== 0) {
break;
}
}
} else if (isQueen(piece)) {
let [rook, bishop] = isBlack(piece) ?
[Pieces.BlackRook, Pieces.BlackBishop] :
[Pieces.WhiteRook, Pieces.WhiteBishop];
moves = moves.concat(this.getValidMovesAt(rook, x, y));
moves = moves.concat(this.getValidMovesAt(bishop, x, y));
console.log(moves);
} else if (isKnight(piece)) {
tryAddMove(x + 2, y + 1);
tryAddMove(x + 2, y - 1);
tryAddMove(x - 2, y + 1);
tryAddMove(x - 2, y - 1);
tryAddMove(x + 1, y + 2);
tryAddMove(x + 1, y - 2);
tryAddMove(x - 1, y + 2);
tryAddMove(x - 1, y - 2);
} else if (isKing(piece)) {
tryAddMove(x + 1, y + 1);
tryAddMove(x + 1, y - 1);
tryAddMove(x - 1, y + 1);
tryAddMove(x - 1, y - 1);
tryAddMove(x, y + 1);
tryAddMove(x, y - 1);
tryAddMove(x + 1, y);
tryAddMove(x - 1, y);
}
return moves;
}
getValidMoves(source) {
let [x, y] = this.getXandY(source);
console.log([x, y]);
let piece = this.state.squares[source];
return this.getValidMovesAt(piece, x, y);
}
isValidMove(source, dest) {
let [destX, destY] = this.getXandY(dest);
let validMoves = this.getValidMoves(source);
if (validMoves == null) {
console.log("Null moves");
return false;
}
for (var move of this.getValidMoves(source)) {
let [x, y] = move;
if (destX === x && destY === y) {
return true;
}
}
return false;
}
isHoldingPiece() {
return this.heldPiece() != null;
}
heldPiece() {
return this.state.hand.heldPiece;
}
handleClick(i) {
const squares = this.state.squares.slice();
if (calculateWinner(squares) || squares[i]) {
return;
}
squares[i] = this.state.xIsNext ? 'Black' : 'White';
if (this.isHoldingPiece()) {
if (this.isValidMove(this.heldPiece(), i)) {
squares[i] = squares[this.heldPiece()];
squares[this.heldPiece()] = null;
this.setHand({
heldPiece: null,
});
this.setState({
squares: squares,
xIsNext: !this.state.xIsNext,
blackIsNext: !this.state.blackIsNext,
});
} else {
this.setHand({
heldPiece: null,
});
}
} else if (squares[i] != null) {
let isSquareBlack = isBlack(squares[i]);
if(isSquareBlack === this.state.blackIsNext) {
console.log(this.getValidMoves(i));
this.setHand({
heldPiece: i,
});
}
}
}
renderSquare(i) {
@ -120,12 +378,9 @@ class Board extends React.Component {
render() {
const winner = calculateWinner(this.state.squares);
let status;
if (winner) {
status = 'Winner: ' + winner;
} else {
status = 'Next player: ' + (this.state.xIsNext ? 'Black' : 'White');
}
let status = winner ?
'Winner: ' + winner :
'Next player: ' + (this.state.blackIsNext ? 'Black' : 'White');
var texttext =
<div>
@ -138,6 +393,7 @@ class Board extends React.Component {
{this.row(5)}
{this.row(6)}
{this.row(7)}
<p>{Images[this.state.hand.heldPiece]}</p>
</div>
;