Public
Edited
May 27, 2023
{ // Testing
const fen = 'rnbqkbnr/pppppppp/4B12/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1';
return (compressFEN(fen))
}
function compressFEN(fen) {
// Create an empty array to store the compressed FEN data
let compressedFEN = [];
// Split the FEN string into an array of pieces
let pieces = fen.split(' ')[0].split('/');
// Iterate over the pieces array
for (let i = 0; i < pieces.length; i++) {
// Split the row string into an array of characters
let row = pieces[i].split('');
// Iterate over the row array
for (let j = 0; j < row.length; j++) {
// Get the piece code
let pieceCode = getPieceCode(row[j]);
// Add the piece code to the array
// console.log({i,j, piece: row[j]})
if (isNaN(row[j])) {
compressedFEN.push(pieceCode);
}
}
}
console.log({compressedFEN})
// Add the separator
compressedFEN.push(0b1111);
// Iterate over the pieces array
for (let i = 0; i < pieces.length; i++) {
// Split the row string into an array of characters
let row = pieces[i].split('');
row.forEach((e,i)=>isNaN(e)?e:row[i]="1".repeat(e).split(''));
row = row.flat();
// Iterate over the row array
for (let j = 0; j < row.length; j++) {
// Get the cell code
let cellCode = getCellCode(i, j);
// Add the cell code to the array
console.log({i,j, piece: row[j], cellCode})
if (isNaN(row[j])) {
compressedFEN.push(cellCode);
}
}
}
// Return the compressed chess position
return compressedFEN;
}
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