satr14/chess-framework
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full fen parsing

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Satria 2026-07-25 16:42:33 +07:00
commit 07c90e9ef5
1 changed files with 15 additions and 2 deletions
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17
src/lib/chess/utils.ts
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@ -1,3 +1,4 @@
import type { GTK_A11Y, TPM2_PKCS11_TCTI } from "$env/static/private";
import { Piece } from "./types"; import { Piece } from "./types";
// export function fen2array(fen: string): Int8Array<ArrayBuffer> { // export function fen2array(fen: string): Int8Array<ArrayBuffer> {
@ -23,7 +24,7 @@ const CHAR_TO_PIECE: Record<string, number> = {
export class Board { export class Board {
public board = new Int8Array(8 ** 2); public board = new Int8Array(8 ** 2);
public details = { public details = {
turn: "w", whiteTurn: true,
castling: { castling: {
white: { king: true, queen: true }, white: { king: true, queen: true },
black: { king: true, queen: true }, black: { king: true, queen: true },
@ -39,8 +40,8 @@ export class Board {
loadFEN(fen = startFEN) { loadFEN(fen = startFEN) {
const [position, turn, castling, enPassant, halfMove, fullMove] = fen.split(" "); const [position, turn, castling, enPassant, halfMove, fullMove] = fen.split(" ");
this.board.fill(Piece.EMPTY);
this.board.fill(Piece.EMPTY);
position.split("/").forEach((row, rank) => { position.split("/").forEach((row, rank) => {
let file = 0; let file = 0;
row.split("").forEach((char) => { row.split("").forEach((char) => {
@ -49,6 +50,18 @@ export class Board {
file++; file++;
}); });
}); });
this.details.whiteTurn = turn === "w";
this.details.castling.white.king = castling.includes("K");
this.details.castling.white.queen = castling.includes("Q");
this.details.castling.black.king = castling.includes("k");
this.details.castling.black.queen = castling.includes("q");
this.details.enPassant = algebraicToIndex(enPassant);
this.details.halfMove = parseInt(halfMove);
this.details.fullMove = parseInt(fullMove);
} }
} }