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feat: create chessboard, fix makeMove

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This commit is contained in:
Cozma Rares
2023-06-06 23:34:39 +03:00
parent 3878b343b4
commit e1da622457
24 changed files with 1093 additions and 467 deletions
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client/index.html
+1 -1
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@@ -4,7 +4,7 @@
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/vite.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Vite + React + TS</title>
<title>Chess Game</title>
</head>
<body>
<div id="root"></div>
client/package.json
+3
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@@ -16,6 +16,9 @@
"@types/react": "^18.0.28",
"@types/react-dom": "^18.0.11",
"@vitejs/plugin-react-swc": "^3.0.0",
"autoprefixer": "^10.4.14",
"postcss": "^8.4.24",
"tailwindcss": "^3.3.2",
"typescript": "^4.9.3",
"vite": "^4.2.0"
}
client/pnpm-lock.yaml
Generated
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client/postcss.config.js
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@@ -0,0 +1,6 @@
export default {
plugins: {
tailwindcss: {},
autoprefixer: {},
},
}
client/src/App.css
-42
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@@ -1,42 +0,0 @@
#root {
max-width: 1280px;
margin: 0 auto;
padding: 2rem;
text-align: center;
}
.logo {
height: 6em;
padding: 1.5em;
will-change: filter;
transition: filter 300ms;
}
.logo:hover {
filter: drop-shadow(0 0 2em #646cffaa);
}
.logo.react:hover {
filter: drop-shadow(0 0 2em #61dafbaa);
}
@keyframes logo-spin {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
@media (prefers-reduced-motion: no-preference) {
a:nth-of-type(2) .logo {
animation: logo-spin infinite 20s linear;
}
}
.card {
padding: 2em;
}
.read-the-docs {
color: #888;
}
client/src/App.tsx
+149 -31
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@@ -1,35 +1,153 @@
import { useState } from 'react'
import reactLogo from './assets/react.svg'
import viteLogo from '/vite.svg'
import './App.css'
import wp from "./assets/pieces/wp.png";
import wn from "./assets/pieces/wn.png";
import wb from "./assets/pieces/wb.png";
import wr from "./assets/pieces/wr.png";
import wq from "./assets/pieces/wq.png";
import wk from "./assets/pieces/wk.png";
function App() {
const [count, setCount] = useState(0)
import bp from "./assets/pieces/bp.png";
import bn from "./assets/pieces/bn.png";
import bb from "./assets/pieces/bb.png";
import br from "./assets/pieces/br.png";
import bq from "./assets/pieces/bq.png";
import bk from "./assets/pieces/bk.png";
return (
<div className="App">
<div>
<a href="https://vitejs.dev" target="_blank">
<img src={viteLogo} className="logo" alt="Vite logo" />
</a>
<a href="https://reactjs.org" target="_blank">
<img src={reactLogo} className="logo react" alt="React logo" />
</a>
</div>
<h1>Vite + React</h1>
<div className="card">
<button onClick={() => setCount((count) => count + 1)}>
count is {count}
</button>
<p>
Edit <code>src/App.tsx</code> and save to test HMR
</p>
</div>
<p className="read-the-docs">
Click on the Vite and React logos to learn more
</p>
</div>
)
import Chess, {
squareColor,
COLOR,
Piece,
PieceType,
Color,
algebraic,
file,
rank,
FILE,
RANK,
squareIndex,
Move,
MOVE_FLAGS,
} from "../../server/src/chess/engine";
import { MouseEventHandler, useState } from "react";
import Show from "./utils/Show";
const PIECES: Record<Color, Record<PieceType, string>> = {
w: { p: wp, n: wn, b: wb, r: wr, q: wq, k: wk },
b: { p: bp, n: bn, b: bb, r: br, q: bq, k: bk },
};
function getKeyByValue(object: Record<string, any>, value: any) {
return Object.keys(object).find((key) => object[key] === value);
}
export default App
export default function App() {
const [chess] = useState(Chess.load());
const sendMove = (move: Move) => {
chess.makeMove(move);
console.clear();
chess.getMoves().forEach((move) =>
console.log({
...move,
flags: getKeyByValue(MOVE_FLAGS, move.flags) ?? move.flags,
})
);
};
return <ChessBoard chess={chess} sendMove={sendMove} />;
}
const ChessBoard: React.FC<{
chess: Chess;
sendMove: (move: Move) => void;
blackPerspective?: boolean;
}> = ({ chess, sendMove, blackPerspective }) => {
const [activeTile, setActiveTile] = useState<number>(-1);
const tileProps = new Array(64).fill(null).map((_, i) => ({
tileNumber: i,
piece: chess.getPiece(i),
isAttacked: false,
isPromotion: false,
}));
if (activeTile != -1)
chess
.getMovesForSquare(algebraic(activeTile))
.forEach(({ to }) => (tileProps[squareIndex(to)].isAttacked = true));
const tiles = tileProps.map((props, i) => (
<Tile key={i} {...props} blackPerspective={blackPerspective} />
));
const handleClick: MouseEventHandler<HTMLDivElement> = (e) => {
// TODO: fix types
// @ts-ignore
const tile = parseInt(e.target.dataset.tile);
if (activeTile != -1 && tileProps[tile].isAttacked) {
sendMove({ from: algebraic(activeTile), to: algebraic(tile) });
setActiveTile(-1);
return;
}
if (tile == activeTile) setActiveTile(-1);
else setActiveTile(tile);
};
return (
<>
<div
className="grid grid-rows-8 grid-cols-8 w-[800px] aspect-square border-8 border-black rounded-lg"
onClick={handleClick}
>
{blackPerspective == true ? tiles.reverse() : tiles}
</div>
</>
);
};
const Tile: React.FC<{
tileNumber: number;
piece: Piece | null;
isAttacked: boolean;
blackPerspective?: boolean;
}> = ({ tileNumber, piece, isAttacked, blackPerspective }) => {
const [bgColor, textColor] =
squareColor(tileNumber) == COLOR.WHITE
? ["bg-white-tile", "text-black-tile"]
: ["bg-black-tile", "text-white-tile"];
const tileFile = file(tileNumber);
const tileRank = rank(tileNumber);
const square = algebraic(tileNumber);
const isFirstColumn = tileFile == (blackPerspective ? FILE.H : FILE.A);
const isLastRow = tileRank == (blackPerspective ? RANK.EIGHTH : RANK.FIRST);
return (
<div
className={`relative font-bold text-xl isolate group [&>*]:pointer-events-none ${bgColor}`}
data-tile={tileNumber}
>
{piece == null ? <></> : <img src={PIECES[piece.color][piece.type]} />}
<Show when={isAttacked == true}>
<Show
when={piece == null}
fallback={
<div className="absolute -translate-x-1/2 -translate-y-1/2 top-1/2 left-1/2 w-full aspect-square border-8 border-gray-900/40 rounded-full"></div>
}
>
<div className="absolute -translate-x-1/2 -translate-y-1/2 top-1/2 left-1/2 w-[35%] aspect-square bg-gray-900/40 rounded-full group-hover:w-[45%]"></div>
</Show>
</Show>
<Show when={isFirstColumn}>
<div className={`absolute top-1 left-1 -z-10 ${textColor}`}>
{square[1]}
</div>
</Show>
<Show when={isLastRow}>
<div className={`absolute bottom-1 right-1 -z-10 ${textColor}`}>
{square[0]}
</div>
</Show>
</div>
);
};
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client/src/assets/react.svg
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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="35.93" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 228"><path fill="#00D8FF" d="M210.483 73.824a171.49 171.49 0 0 0-8.24-2.597c.465-1.9.893-3.777 1.273-5.621c6.238-30.281 2.16-54.676-11.769-62.708c-13.355-7.7-35.196.329-57.254 19.526a171.23 171.23 0 0 0-6.375 5.848a155.866 155.866 0 0 0-4.241-3.917C100.759 3.829 77.587-4.822 63.673 3.233C50.33 10.957 46.379 33.89 51.995 62.588a170.974 170.974 0 0 0 1.892 8.48c-3.28.932-6.445 1.924-9.474 2.98C17.309 83.498 0 98.307 0 113.668c0 15.865 18.582 31.778 46.812 41.427a145.52 145.52 0 0 0 6.921 2.165a167.467 167.467 0 0 0-2.01 9.138c-5.354 28.2-1.173 50.591 12.134 58.266c13.744 7.926 36.812-.22 59.273-19.855a145.567 145.567 0 0 0 5.342-4.923a168.064 168.064 0 0 0 6.92 6.314c21.758 18.722 43.246 26.282 56.54 18.586c13.731-7.949 18.194-32.003 12.4-61.268a145.016 145.016 0 0 0-1.535-6.842c1.62-.48 3.21-.974 4.76-1.488c29.348-9.723 48.443-25.443 48.443-41.52c0-15.417-17.868-30.326-45.517-39.844Zm-6.365 70.984c-1.4.463-2.836.91-4.3 1.345c-3.24-10.257-7.612-21.163-12.963-32.432c5.106-11 9.31-21.767 12.459-31.957c2.619.758 5.16 1.557 7.61 2.4c23.69 8.156 38.14 20.213 38.14 29.504c0 9.896-15.606 22.743-40.946 31.14Zm-10.514 20.834c2.562 12.94 2.927 24.64 1.23 33.787c-1.524 8.219-4.59 13.698-8.382 15.893c-8.067 4.67-25.32-1.4-43.927-17.412a156.726 156.726 0 0 1-6.437-5.87c7.214-7.889 14.423-17.06 21.459-27.246c12.376-1.098 24.068-2.894 34.671-5.345a134.17 134.17 0 0 1 1.386 6.193ZM87.276 214.515c-7.882 2.783-14.16 2.863-17.955.675c-8.075-4.657-11.432-22.636-6.853-46.752a156.923 156.923 0 0 1 1.869-8.499c10.486 2.32 22.093 3.988 34.498 4.994c7.084 9.967 14.501 19.128 21.976 27.15a134.668 134.668 0 0 1-4.877 4.492c-9.933 8.682-19.886 14.842-28.658 17.94ZM50.35 144.747c-12.483-4.267-22.792-9.812-29.858-15.863c-6.35-5.437-9.555-10.836-9.555-15.216c0-9.322 13.897-21.212 37.076-29.293c2.813-.98 5.757-1.905 8.812-2.773c3.204 10.42 7.406 21.315 12.477 32.332c-5.137 11.18-9.399 22.249-12.634 32.792a134.718 134.718 0 0 1-6.318-1.979Zm12.378-84.26c-4.811-24.587-1.616-43.134 6.425-47.789c8.564-4.958 27.502 2.111 47.463 19.835a144.318 144.318 0 0 1 3.841 3.545c-7.438 7.987-14.787 17.08-21.808 26.988c-12.04 1.116-23.565 2.908-34.161 5.309a160.342 160.342 0 0 1-1.76-7.887Zm110.427 27.268a347.8 347.8 0 0 0-7.785-12.803c8.168 1.033 15.994 2.404 23.343 4.08c-2.206 7.072-4.956 14.465-8.193 22.045a381.151 381.151 0 0 0-7.365-13.322Zm-45.032-43.861c5.044 5.465 10.096 11.566 15.065 18.186a322.04 322.04 0 0 0-30.257-.006c4.974-6.559 10.069-12.652 15.192-18.18ZM82.802 87.83a323.167 323.167 0 0 0-7.227 13.238c-3.184-7.553-5.909-14.98-8.134-22.152c7.304-1.634 15.093-2.97 23.209-3.984a321.524 321.524 0 0 0-7.848 12.897Zm8.081 65.352c-8.385-.936-16.291-2.203-23.593-3.793c2.26-7.3 5.045-14.885 8.298-22.6a321.187 321.187 0 0 0 7.257 13.246c2.594 4.48 5.28 8.868 8.038 13.147Zm37.542 31.03c-5.184-5.592-10.354-11.779-15.403-18.433c4.902.192 9.899.29 14.978.29c5.218 0 10.376-.117 15.453-.343c-4.985 6.774-10.018 12.97-15.028 18.486Zm52.198-57.817c3.422 7.8 6.306 15.345 8.596 22.52c-7.422 1.694-15.436 3.058-23.88 4.071a382.417 382.417 0 0 0 7.859-13.026a347.403 347.403 0 0 0 7.425-13.565Zm-16.898 8.101a358.557 358.557 0 0 1-12.281 19.815a329.4 329.4 0 0 1-23.444.823c-7.967 0-15.716-.248-23.178-.732a310.202 310.202 0 0 1-12.513-19.846h.001a307.41 307.41 0 0 1-10.923-20.627a310.278 310.278 0 0 1 10.89-20.637l-.001.001a307.318 307.318 0 0 1 12.413-19.761c7.613-.576 15.42-.876 23.31-.876H128c7.926 0 15.743.303 23.354.883a329.357 329.357 0 0 1 12.335 19.695a358.489 358.489 0 0 1 11.036 20.54a329.472 329.472 0 0 1-11 20.722Zm22.56-122.124c8.572 4.944 11.906 24.881 6.52 51.026c-.344 1.668-.73 3.367-1.15 5.09c-10.622-2.452-22.155-4.275-34.23-5.408c-7.034-10.017-14.323-19.124-21.64-27.008a160.789 160.789 0 0 1 5.888-5.4c18.9-16.447 36.564-22.941 44.612-18.3ZM128 90.808c12.625 0 22.86 10.235 22.86 22.86s-10.235 22.86-22.86 22.86s-22.86-10.235-22.86-22.86s10.235-22.86 22.86-22.86Z"></path></svg>
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client/src/index.css
+5 -67
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@@ -1,69 +1,7 @@
:root {
font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
line-height: 1.5;
font-weight: 400;
@tailwind base;
@tailwind components;
@tailwind utilities;
color-scheme: light dark;
color: rgba(255, 255, 255, 0.87);
background-color: #242424;
font-synthesis: none;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
-webkit-text-size-adjust: 100%;
}
a {
font-weight: 500;
color: #646cff;
text-decoration: inherit;
}
a:hover {
color: #535bf2;
}
body {
margin: 0;
display: flex;
place-items: center;
min-width: 320px;
min-height: 100vh;
}
h1 {
font-size: 3.2em;
line-height: 1.1;
}
button {
border-radius: 8px;
border: 1px solid transparent;
padding: 0.6em 1.2em;
font-size: 1em;
font-weight: 500;
font-family: inherit;
background-color: #1a1a1a;
cursor: pointer;
transition: border-color 0.25s;
}
button:hover {
border-color: #646cff;
}
button:focus,
button:focus-visible {
outline: 4px auto -webkit-focus-ring-color;
}
@media (prefers-color-scheme: light) {
:root {
color: #213547;
background-color: #ffffff;
}
a:hover {
color: #747bff;
}
button {
background-color: #f9f9f9;
}
img {
max-width: 100%;
}
client/src/utils/Show.tsx
+8
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@@ -0,0 +1,8 @@
const Show: React.FC<{
when: boolean;
children: React.ReactNode;
fallback?: React.ReactNode;
}> = ({ when, children, fallback }) => {
return <> {when ? children : fallback}</>;
};
export default Show;
client/tailwind.config.js
+19
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@@ -0,0 +1,19 @@
/** @type {import('tailwindcss').Config} */
export default {
content: ["./index.html", "./src/**/*.{js,ts,jsx,tsx}"],
theme: {
extend: {
gridTemplateRows: {
8: "repeat(8, minmax(0, 1fr))",
},
gridTemplateColumns: {
8: "repeat(8, minmax(0, 1fr))",
},
colors: {
"white-tile": "#ECECD7",
"black-tile": "#4D6D92",
},
},
},
plugins: [],
};
server/src/__test__/getMovesForSquare.test.ts
+192 -192
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@@ -12,14 +12,14 @@ type ExpectedMoves = Record<
function runTest(fen: string, expectedMoves: ExpectedMoves) {
const chess = Chess.load(fen);
Object.keys(expectedMoves).forEach(key =>
Object.keys(expectedMoves).forEach((key) =>
test(key.split("_").join(" "), () =>
expectedMoves[key].forEach(({ square, moves: expectedMoves }) => {
const moves = chess.getMovesForSquare(square);
expect(moves).toHaveLength(expectedMoves.length);
moves.forEach(move => expect(expectedMoves).toContainEqual(move));
expectedMoves.forEach(expectedMove =>
moves.forEach((move) => expect(expectedMoves).toContainEqual(move));
expectedMoves.forEach((expectedMove) =>
expect(moves).toContainEqual(expectedMove)
);
})
@@ -42,8 +42,8 @@ describe("pawn moves", () => {
{
square: "a2",
moves: [
{ from: "a2", to: "a3", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a4", flag: MOVE_FLAGS.PAWN_JUMP },
{ from: "a2", to: "a3", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a4", flags: MOVE_FLAGS.PAWN_JUMP },
],
},
],
@@ -51,25 +51,25 @@ describe("pawn moves", () => {
{
square: "b7",
moves: [
{ from: "b7", to: "b8", flag: MOVE_FLAGS.PROMOTION, promotion: "n" },
{ from: "b7", to: "b8", flag: MOVE_FLAGS.PROMOTION, promotion: "b" },
{ from: "b7", to: "b8", flag: MOVE_FLAGS.PROMOTION, promotion: "r" },
{ from: "b7", to: "b8", flag: MOVE_FLAGS.PROMOTION, promotion: "q" },
{ from: "b7", to: "b8", flags: MOVE_FLAGS.PROMOTION, promotion: "n" },
{ from: "b7", to: "b8", flags: MOVE_FLAGS.PROMOTION, promotion: "b" },
{ from: "b7", to: "b8", flags: MOVE_FLAGS.PROMOTION, promotion: "r" },
{ from: "b7", to: "b8", flags: MOVE_FLAGS.PROMOTION, promotion: "q" },
],
},
],
regular: [
{
square: "c3",
moves: [{ from: "c3", to: "c4", flag: MOVE_FLAGS.NORMAL }],
moves: [{ from: "c3", to: "c4", flags: MOVE_FLAGS.NORMAL }],
},
],
attack: [
{
square: "d4",
moves: [
{ from: "d4", to: "d5", flag: MOVE_FLAGS.NORMAL },
{ from: "d4", to: "e5", flag: MOVE_FLAGS.CAPTURE },
{ from: "d4", to: "d5", flags: MOVE_FLAGS.NORMAL },
{ from: "d4", to: "e5", flags: MOVE_FLAGS.CAPTURE },
],
},
],
@@ -86,8 +86,8 @@ describe("pawn moves", () => {
{
square: "h7",
moves: [
{ from: "h7", to: "h6", flag: MOVE_FLAGS.NORMAL },
{ from: "h7", to: "h5", flag: MOVE_FLAGS.PAWN_JUMP },
{ from: "h7", to: "h6", flags: MOVE_FLAGS.NORMAL },
{ from: "h7", to: "h5", flags: MOVE_FLAGS.PAWN_JUMP },
],
},
],
@@ -95,25 +95,25 @@ describe("pawn moves", () => {
{
square: "g2",
moves: [
{ from: "g2", to: "g1", flag: MOVE_FLAGS.PROMOTION, promotion: "n" },
{ from: "g2", to: "g1", flag: MOVE_FLAGS.PROMOTION, promotion: "b" },
{ from: "g2", to: "g1", flag: MOVE_FLAGS.PROMOTION, promotion: "r" },
{ from: "g2", to: "g1", flag: MOVE_FLAGS.PROMOTION, promotion: "q" },
{ from: "g2", to: "g1", flags: MOVE_FLAGS.PROMOTION, promotion: "n" },
{ from: "g2", to: "g1", flags: MOVE_FLAGS.PROMOTION, promotion: "b" },
{ from: "g2", to: "g1", flags: MOVE_FLAGS.PROMOTION, promotion: "r" },
{ from: "g2", to: "g1", flags: MOVE_FLAGS.PROMOTION, promotion: "q" },
],
},
],
regular: [
{
square: "f6",
moves: [{ from: "f6", to: "f5", flag: MOVE_FLAGS.NORMAL }],
moves: [{ from: "f6", to: "f5", flags: MOVE_FLAGS.NORMAL }],
},
],
attack: [
{
square: "e5",
moves: [
{ from: "e5", to: "e4", flag: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "d4", flag: MOVE_FLAGS.CAPTURE },
{ from: "e5", to: "e4", flags: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "d4", flags: MOVE_FLAGS.CAPTURE },
],
},
],
@@ -125,7 +125,7 @@ describe("pawn moves", () => {
{
square: "e7",
moves: [{ from: "e7", to: "e6", flag: MOVE_FLAGS.NORMAL }],
moves: [{ from: "e7", to: "e6", flags: MOVE_FLAGS.NORMAL }],
},
],
};
@@ -143,10 +143,10 @@ describe("knight moves", () => {
{
square: "g2",
moves: [
{ from: "g2", to: "e1", flag: MOVE_FLAGS.NORMAL },
{ from: "g2", to: "e3", flag: MOVE_FLAGS.NORMAL },
{ from: "g2", to: "f4", flag: MOVE_FLAGS.NORMAL },
{ from: "g2", to: "h4", flag: MOVE_FLAGS.NORMAL },
{ from: "g2", to: "e1", flags: MOVE_FLAGS.NORMAL },
{ from: "g2", to: "e3", flags: MOVE_FLAGS.NORMAL },
{ from: "g2", to: "f4", flags: MOVE_FLAGS.NORMAL },
{ from: "g2", to: "h4", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -154,8 +154,8 @@ describe("knight moves", () => {
{
square: "h1",
moves: [
{ from: "h1", to: "f2", flag: MOVE_FLAGS.NORMAL },
{ from: "h1", to: "g3", flag: MOVE_FLAGS.NORMAL },
{ from: "h1", to: "f2", flags: MOVE_FLAGS.NORMAL },
{ from: "h1", to: "g3", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -163,9 +163,9 @@ describe("knight moves", () => {
{
square: "a2",
moves: [
{ from: "a2", to: "c1", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "c3", flag: MOVE_FLAGS.CAPTURE },
{ from: "a2", to: "b4", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "c1", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "c3", flags: MOVE_FLAGS.CAPTURE },
{ from: "a2", to: "b4", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -173,14 +173,14 @@ describe("knight moves", () => {
{
square: "e5",
moves: [
{ from: "e5", to: "g6", flag: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "f7", flag: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "d7", flag: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "c6", flag: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "c4", flag: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "d3", flag: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "f3", flag: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "g4", flag: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "g6", flags: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "f7", flags: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "d7", flags: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "c6", flags: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "c4", flags: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "d3", flags: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "f3", flags: MOVE_FLAGS.NORMAL },
{ from: "e5", to: "g4", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -191,8 +191,8 @@ describe("knight moves", () => {
{
square: "a8",
moves: [
{ from: "a8", to: "b6", flag: MOVE_FLAGS.NORMAL },
{ from: "a8", to: "c7", flag: MOVE_FLAGS.NORMAL },
{ from: "a8", to: "b6", flags: MOVE_FLAGS.NORMAL },
{ from: "a8", to: "c7", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -200,10 +200,10 @@ describe("knight moves", () => {
{
square: "b7",
moves: [
{ from: "b7", to: "a5", flag: MOVE_FLAGS.NORMAL },
{ from: "b7", to: "c5", flag: MOVE_FLAGS.NORMAL },
{ from: "b7", to: "d6", flag: MOVE_FLAGS.NORMAL },
{ from: "b7", to: "d8", flag: MOVE_FLAGS.NORMAL },
{ from: "b7", to: "a5", flags: MOVE_FLAGS.NORMAL },
{ from: "b7", to: "c5", flags: MOVE_FLAGS.NORMAL },
{ from: "b7", to: "d6", flags: MOVE_FLAGS.NORMAL },
{ from: "b7", to: "d8", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -212,13 +212,13 @@ describe("knight moves", () => {
{
square: "c3",
moves: [
{ from: "c3", to: "e4", flag: MOVE_FLAGS.NORMAL },
{ from: "c3", to: "b5", flag: MOVE_FLAGS.CAPTURE },
{ from: "c3", to: "a4", flag: MOVE_FLAGS.NORMAL },
{ from: "c3", to: "a2", flag: MOVE_FLAGS.CAPTURE },
{ from: "c3", to: "b1", flag: MOVE_FLAGS.NORMAL },
{ from: "c3", to: "d1", flag: MOVE_FLAGS.NORMAL },
{ from: "c3", to: "e2", flag: MOVE_FLAGS.NORMAL },
{ from: "c3", to: "e4", flags: MOVE_FLAGS.NORMAL },
{ from: "c3", to: "b5", flags: MOVE_FLAGS.CAPTURE },
{ from: "c3", to: "a4", flags: MOVE_FLAGS.NORMAL },
{ from: "c3", to: "a2", flags: MOVE_FLAGS.CAPTURE },
{ from: "c3", to: "b1", flags: MOVE_FLAGS.NORMAL },
{ from: "c3", to: "d1", flags: MOVE_FLAGS.NORMAL },
{ from: "c3", to: "e2", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -237,13 +237,13 @@ describe("bishop moves", () => {
{
square: "a2",
moves: [
{ from: "a2", to: "b3", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "c4", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "d5", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "e6", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "f7", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "g8", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "b1", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "b3", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "c4", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "d5", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "e6", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "f7", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "g8", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "b1", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -251,14 +251,14 @@ describe("bishop moves", () => {
{
square: "d2",
moves: [
{ from: "d2", to: "c1", flag: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "e1", flag: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "c3", flag: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "b4", flag: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "a5", flag: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "e3", flag: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "f4", flag: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "g5", flag: MOVE_FLAGS.CAPTURE },
{ from: "d2", to: "c1", flags: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "e1", flags: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "c3", flags: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "b4", flags: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "a5", flags: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "e3", flags: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "f4", flags: MOVE_FLAGS.NORMAL },
{ from: "d2", to: "g5", flags: MOVE_FLAGS.CAPTURE },
],
},
],
@@ -266,15 +266,15 @@ describe("bishop moves", () => {
{
square: "c2",
moves: [
{ from: "c2", to: "b1", flag: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "d1", flag: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "b3", flag: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "a4", flag: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "d3", flag: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "e4", flag: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "f5", flag: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "g6", flag: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "h7", flag: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "b1", flags: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "d1", flags: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "b3", flags: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "a4", flags: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "d3", flags: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "e4", flags: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "f5", flags: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "g6", flags: MOVE_FLAGS.NORMAL },
{ from: "c2", to: "h7", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -285,13 +285,13 @@ describe("bishop moves", () => {
{
square: "h8",
moves: [
{ from: "h8", to: "g7", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "f6", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "e5", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "d4", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "c3", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "b2", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "a1", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "g7", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "f6", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "e5", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "d4", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "c3", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "b2", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "a1", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -299,14 +299,14 @@ describe("bishop moves", () => {
{
square: "g5",
moves: [
{ from: "g5", to: "h6", flag: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "h4", flag: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "f6", flag: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "e7", flag: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "d8", flag: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "f4", flag: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "e3", flag: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "d2", flag: MOVE_FLAGS.CAPTURE },
{ from: "g5", to: "h6", flags: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "h4", flags: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "f6", flags: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "e7", flags: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "d8", flags: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "f4", flags: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "e3", flags: MOVE_FLAGS.NORMAL },
{ from: "g5", to: "d2", flags: MOVE_FLAGS.CAPTURE },
],
},
],
@@ -314,27 +314,27 @@ describe("bishop moves", () => {
{
square: "c5",
moves: [
{ from: "c5", to: "b6", flag: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "a7", flag: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "d4", flag: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "e3", flag: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "f2", flag: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "g1", flag: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "b4", flag: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "a3", flag: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "b6", flags: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "a7", flags: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "d4", flags: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "e3", flags: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "f2", flags: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "g1", flags: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "b4", flags: MOVE_FLAGS.NORMAL },
{ from: "c5", to: "a3", flags: MOVE_FLAGS.NORMAL },
],
},
{
square: "d6",
moves: [
{ from: "d6", to: "c7", flag: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "b8", flag: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "e7", flag: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "f8", flag: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "e5", flag: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "f4", flag: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "g3", flag: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "h2", flag: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "c7", flags: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "b8", flags: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "e7", flags: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "f8", flags: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "e5", flags: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "f4", flags: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "g3", flags: MOVE_FLAGS.NORMAL },
{ from: "d6", to: "h2", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -353,20 +353,20 @@ describe("rook moves", () => {
{
square: "a5",
moves: [
{ from: "a5", to: "a1", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a2", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a3", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a4", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a6", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a7", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a8", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "b5", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "c5", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "d5", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "e5", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "f5", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "g5", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "h5", flag: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a1", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a2", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a3", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a4", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a6", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a7", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "a8", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "b5", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "c5", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "d5", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "e5", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "f5", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "g5", flags: MOVE_FLAGS.NORMAL },
{ from: "a5", to: "h5", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -377,20 +377,20 @@ describe("rook moves", () => {
{
square: "h2",
moves: [
{ from: "h2", to: "h1", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h3", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h4", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h5", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h6", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h7", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h8", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "g2", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "f2", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "e2", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "d2", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "c2", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "b2", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "a2", flag: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h1", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h3", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h4", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h5", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h6", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h7", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "h8", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "g2", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "f2", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "e2", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "d2", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "c2", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "b2", flags: MOVE_FLAGS.NORMAL },
{ from: "h2", to: "a2", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -405,27 +405,27 @@ describe("queen and king moves", () => {
{
square: "h8",
moves: [
{ from: "h8", to: "g8", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "f8", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "e8", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "d8", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "c8", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "b8", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "a8", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h7", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h6", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h5", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h4", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h3", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h2", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h1", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "g7", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "f6", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "e5", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "d4", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "c3", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "b2", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "a1", flag: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "g8", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "f8", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "e8", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "d8", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "c8", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "b8", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "a8", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h7", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h6", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h5", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h4", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h3", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h2", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "h1", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "g7", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "f6", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "e5", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "d4", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "c3", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "b2", flags: MOVE_FLAGS.NORMAL },
{ from: "h8", to: "a1", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -433,11 +433,11 @@ describe("queen and king moves", () => {
{
square: "g3",
moves: [
{ from: "g3", to: "f3", flag: MOVE_FLAGS.NORMAL },
{ from: "g3", to: "f4", flag: MOVE_FLAGS.NORMAL },
{ from: "g3", to: "g4", flag: MOVE_FLAGS.NORMAL },
{ from: "g3", to: "h4", flag: MOVE_FLAGS.NORMAL },
{ from: "g3", to: "h3", flag: MOVE_FLAGS.NORMAL },
{ from: "g3", to: "f3", flags: MOVE_FLAGS.NORMAL },
{ from: "g3", to: "f4", flags: MOVE_FLAGS.NORMAL },
{ from: "g3", to: "g4", flags: MOVE_FLAGS.NORMAL },
{ from: "g3", to: "h4", flags: MOVE_FLAGS.NORMAL },
{ from: "g3", to: "h3", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -448,27 +448,27 @@ describe("queen and king moves", () => {
{
square: "a2",
moves: [
{ from: "a2", to: "a1", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a3", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a4", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a5", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a6", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a7", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a8", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "b2", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "b1", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "c2", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "d2", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "e2", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "f2", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "g2", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "h2", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "b3", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "c4", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "d5", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "e6", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "f7", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "g8", flag: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a1", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a3", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a4", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a5", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a6", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a7", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "a8", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "b2", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "b1", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "c2", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "d2", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "e2", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "f2", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "g2", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "h2", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "b3", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "c4", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "d5", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "e6", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "f7", flags: MOVE_FLAGS.NORMAL },
{ from: "a2", to: "g8", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -476,11 +476,11 @@ describe("queen and king moves", () => {
{
square: "c7",
moves: [
{ from: "c7", to: "b7", flag: MOVE_FLAGS.NORMAL },
{ from: "c7", to: "b6", flag: MOVE_FLAGS.NORMAL },
{ from: "c7", to: "c6", flag: MOVE_FLAGS.NORMAL },
{ from: "c7", to: "d6", flag: MOVE_FLAGS.NORMAL },
{ from: "c7", to: "d7", flag: MOVE_FLAGS.NORMAL },
{ from: "c7", to: "b7", flags: MOVE_FLAGS.NORMAL },
{ from: "c7", to: "b6", flags: MOVE_FLAGS.NORMAL },
{ from: "c7", to: "c6", flags: MOVE_FLAGS.NORMAL },
{ from: "c7", to: "d6", flags: MOVE_FLAGS.NORMAL },
{ from: "c7", to: "d7", flags: MOVE_FLAGS.NORMAL },
],
},
],
@@ -495,8 +495,8 @@ describe("en passant", () => {
{
square: "d5",
moves: [
{ from: "d5", to: "d6", flag: MOVE_FLAGS.NORMAL },
{ from: "d5", to: "e6", flag: MOVE_FLAGS.EN_PASSANT },
{ from: "d5", to: "d6", flags: MOVE_FLAGS.NORMAL },
{ from: "d5", to: "e6", flags: MOVE_FLAGS.EN_PASSANT },
],
},
],
@@ -514,9 +514,9 @@ describe("castling", () => {
{
square: "e1",
moves: [
{ from: "e1", to: "g1", flag: MOVE_FLAGS.K_CASTLE },
{ from: "e1", to: "d2", flag: MOVE_FLAGS.NORMAL },
{ from: "e1", to: "f1", flag: MOVE_FLAGS.NORMAL },
{ from: "e1", to: "g1", flags: MOVE_FLAGS.K_CASTLE },
{ from: "e1", to: "d2", flags: MOVE_FLAGS.NORMAL },
{ from: "e1", to: "f1", flags: MOVE_FLAGS.NORMAL },
],
},
],
server/src/chess/engine.ts
+47 -41
View File
@@ -74,7 +74,7 @@ export type Move = {
};
export type InternalMove = Move & {
flag: MoveFlag;
flags: number;
};
export const PIECE_MASKS: Record<PieceType, number> = Object.freeze({
@@ -203,7 +203,7 @@ export function validateFEN(fen: string): void {
if (!isPieceValid(symbol.toLowerCase()))
throw new Error(
"Invalid FEN - board position contains an invalid piece symbol: " +
symbol
symbol
);
numSquares++;
@@ -337,7 +337,7 @@ function generatePawnMoves(
const moves: InternalMove[] = [];
const generatePromotionMoves = (from: number, to: number) => {
const generatePromotionMoves = (from: number, to: number, flag: MoveFlag) => {
const fromAlgebraic = algebraic(from);
const toAlgebraic = algebraic(to);
@@ -346,7 +346,7 @@ function generatePawnMoves(
from: fromAlgebraic,
to: toAlgebraic,
promotion: piece,
flag: MOVE_FLAGS.PROMOTION,
flags: MOVE_FLAGS.PROMOTION | flag,
})
);
};
@@ -356,12 +356,12 @@ function generatePawnMoves(
if (board[nextPosition] == null)
if (rank(nextPosition) == PAWN_MOVE_INFO[color].promotion)
generatePromotionMoves(position, nextPosition);
generatePromotionMoves(position, nextPosition, MOVE_FLAGS.NORMAL);
else {
moves.push({
from: algebraic(position),
to: algebraic(nextPosition),
flag: MOVE_FLAGS.NORMAL,
flags: MOVE_FLAGS.NORMAL,
});
if (rank(position) == PAWN_MOVE_INFO[color].jumpRank) {
@@ -371,7 +371,7 @@ function generatePawnMoves(
moves.push({
from: algebraic(position),
to: algebraic(jumpPosition),
flag: MOVE_FLAGS.PAWN_JUMP,
flags: MOVE_FLAGS.PAWN_JUMP,
});
}
}
@@ -388,11 +388,14 @@ function generatePawnMoves(
EN_PASSANT_ATTACK_SQUARES[color].includes(enPassantSquare);
if (file(position) != excludedFile && (isPiece || isEnPassant))
moves.push({
from: algebraic(position),
to: algebraic(attackPosition),
flag: isPiece ? MOVE_FLAGS.CAPTURE : MOVE_FLAGS.EN_PASSANT,
});
if (rank(nextPosition) == PAWN_MOVE_INFO[color].promotion)
generatePromotionMoves(position, attackPosition, MOVE_FLAGS.CAPTURE);
else
moves.push({
from: algebraic(position),
to: algebraic(attackPosition),
flags: isPiece ? MOVE_FLAGS.CAPTURE : MOVE_FLAGS.EN_PASSANT,
});
});
return moves;
@@ -424,13 +427,13 @@ export function generatePieceMoves(
moves.push({
from: algebraic(position),
to: algebraic(nextPosition),
flag: MOVE_FLAGS.NORMAL,
flags: MOVE_FLAGS.NORMAL,
});
else if (attackedPiece.color != piece.color)
moves.push({
from: algebraic(position),
to: algebraic(nextPosition),
flag: MOVE_FLAGS.CAPTURE,
flags: MOVE_FLAGS.CAPTURE,
});
});
@@ -452,13 +455,11 @@ export function generatePieceMoves(
moves.push({
from: algebraic(position),
to: algebraic(nextPosition),
flag: MOVE_FLAGS.NORMAL,
flags: MOVE_FLAGS.NORMAL,
});
if (excludedFiles.includes(file(nextPosition))) break;
nextPosition += offset;
continue;
}
@@ -466,7 +467,7 @@ export function generatePieceMoves(
moves.push({
from: algebraic(position),
to: algebraic(nextPosition),
flag: MOVE_FLAGS.CAPTURE,
flags: MOVE_FLAGS.CAPTURE,
});
break;
@@ -573,7 +574,7 @@ export default class Chess {
this._moves.push({
from: algebraic(kingPosition),
to: algebraic(kingsKnightPosition),
flag: MOVE_FLAGS.K_CASTLE,
flags: MOVE_FLAGS.K_CASTLE,
});
if (
@@ -585,7 +586,7 @@ export default class Chess {
this._moves.push({
from: algebraic(kingPosition),
to: algebraic(queensBishopPosition),
flag: MOVE_FLAGS.Q_CASTLE,
flags: MOVE_FLAGS.Q_CASTLE,
});
}
}
@@ -746,7 +747,7 @@ export default class Chess {
return this._moves.filter(({ from }) => from == square);
}
makeMove(move: Move) {
makeMove(move: Move | InternalMove) {
const myColor = this._turn;
const theirColor = swapColor(this._turn);
let moveObj = null;
@@ -765,30 +766,29 @@ export default class Chess {
if (moveObj == null)
throw new Error(`Move ${JSON.stringify(move)} not found`);
// debugger;
this._board[squareIndex(moveObj.to)] =
this._board[squareIndex(moveObj.from)];
moveObj.flags & MOVE_FLAGS.PROMOTION
? {
type: moveObj.promotion as PieceType,
color: myColor,
}
: this._board[squareIndex(moveObj.from)];
this._board[squareIndex(moveObj.from)] = null;
let keepEpSquare = false;
switch (moveObj.flag) {
switch (moveObj.flags) {
case MOVE_FLAGS.PAWN_JUMP:
this._enPassant = algebraic(
squareIndex(moveObj.to) - PAWN_MOVE_INFO[myColor].offset
);
keepEpSquare = true;
break;
case MOVE_FLAGS.EN_PASSANT:
this._board[
squareIndex(this._enPassant + PAWN_MOVE_INFO[theirColor].offset)
squareIndex(this._enPassant) + PAWN_MOVE_INFO[theirColor].offset
] = null;
this._enPassant = "-";
break;
case MOVE_FLAGS.PROMOTION:
this._board[squareIndex(moveObj.to)] = {
type: moveObj.promotion as PieceType,
color: myColor,
};
break;
case MOVE_FLAGS.K_CASTLE:
@@ -810,6 +810,12 @@ export default class Chess {
default:
break;
}
if (!keepEpSquare) this._enPassant = EMPTY_SQUARE;
// const piece = this.getPiece(move.to)?.type;
this._turn = theirColor;
this._computeMoves();
}
isSquareAttacked(square: Square | number, attackedBy: Color) {
@@ -857,10 +863,10 @@ export default class Chess {
remainingPieces[PIECE.BISHOP][COLOR.WHITE] == 2 ||
remainingPieces[PIECE.BISHOP][COLOR.BLACK] == 2 ||
remainingPieces[PIECE.BISHOP][COLOR.WHITE] +
remainingPieces[PIECE.BISHOP][COLOR.BLACK] +
remainingPieces[PIECE.KNIGHT][COLOR.WHITE] +
remainingPieces[PIECE.KNIGHT][COLOR.BLACK] >=
3
remainingPieces[PIECE.BISHOP][COLOR.BLACK] +
remainingPieces[PIECE.KNIGHT][COLOR.WHITE] +
remainingPieces[PIECE.KNIGHT][COLOR.BLACK] >=
3
)
return false;
@@ -886,19 +892,19 @@ export default class Chess {
}
// TODO: implement
private _addToHistory() {}
private _addToHistory() { }
// TODO: implement
// mabye store the history in a tree
undo() {}
redo() {}
undo() { }
redo() { }
turn() {
return this._turn;
}
// TODO: implement
history() {}
history() { }
static Builder = class {
private _board: Board = new Array(64).fill(null);