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Show best move arrow for current position #45

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Show best move arrow for current position #45

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18 changes: 15 additions & 3 deletions src/components/board/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ import { Chess } from "chess.js";
import { getSquareRenderer } from "./squareRenderer";
import { CurrentPosition } from "@/types/eval";
import EvaluationBar from "./evaluationBar";
import { CLASSIFICATION_COLORS } from "@/constants";
import { CLASSIFICATION_COLORS, ENGINE_BEST_MOVE_COLOR } from "@/constants";
import { Player } from "@/types/game";
import PlayerHeader from "./playerHeader";
import { boardHueAtom, pieceSetAtom } from "./states";
Expand Down Expand Up @@ -208,9 +208,21 @@ export default function Board({
);

const customArrows: Arrow[] = useMemo(() => {
const bestCurrentMove = position?.eval?.bestMove;
const bestMove = position?.lastEval?.bestMove;
const moveClassification = position?.eval?.moveClassification;

const result = [];

if (bestCurrentMove && showBestMoveArrow) {
const bestCurrentMoveArrow = [
bestCurrentMove.slice(0, 2),
bestCurrentMove.slice(2, 4),
tinycolor(ENGINE_BEST_MOVE_COLOR).spin(-boardHue).toHexString(),
] as Arrow;
result.push(bestCurrentMoveArrow);
}

if (
bestMove &&
showBestMoveArrow &&
Expand All @@ -227,10 +239,10 @@ export default function Board({
.toHexString(),
] as Arrow;

return [bestMoveArrow];
result.push(bestMoveArrow);
}

return [];
return result;
}, [position, showBestMoveArrow, boardHue]);

const SquareRenderer: CustomSquareRenderer = useMemo(() => {
Expand Down
2 changes: 2 additions & 0 deletions src/constants.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,8 @@ export const CLASSIFICATION_COLORS: Record<MoveClassification, string> = {
[MoveClassification.Blunder]: "#df5353",
};

export const ENGINE_BEST_MOVE_COLOR = "#cccccc";

export const DEFAULT_ENGINE: EngineName = EngineName.Stockfish17Lite;
export const STRONGEST_ENGINE: EngineName = EngineName.Stockfish17;

Expand Down