koishi-plugin-chess/lib/games/gomoku.js

Playing chess games in Koishi

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.update = void 0;
const board_1 = require("../board");
function update(x, y, value) {
    const { size } = this;
    const board = this.set(x, y, value);
    let vCount = 0, hCount = 0, mCount = 0, pCount = 0;
    for (let i = x - 1; i >= 0 && board & this.bit(i, y); i--)
        vCount++;
    for (let i = x + 1; i < size && board & this.bit(i, y); i++)
        vCount++;
    if (vCount >= 4)
        return value;
    for (let j = y - 1; j >= 0 && board & this.bit(x, j); j--)
        hCount++;
    for (let j = y + 1; j < size && board & this.bit(x, j); j++)
        hCount++;
    if (hCount >= 4)
        return value;
    for (let i = x - 1, j = y - 1; i >= 0 && j >= 0 && board & this.bit(i, j); i--, j--)
        mCount++;
    for (let i = x + 1, j = y + 1; i < size && j < size && board & this.bit(i, j); i++, j++)
        mCount++;
    if (mCount >= 4)
        return value;
    for (let i = x - 1, j = y + 1; i >= 0 && j < size && board & this.bit(i, j); i--, j++)
        pCount++;
    for (let i = x + 1, j = y - 1; i < size && j >= 0 && board & this.bit(i, j); i++, j--)
        pCount++;
    if (pCount >= 4)
        return value;
    if (this.isFull)
        return board_1.MoveResult.draw;
}
exports.update = update;