@logic-pad/core/dist/src/data/solver/backtrack/rules/cellCount.js

import BTModule, { BTTile, colorToBTTile, } from '../data.js';
export default class CellCountBTModule extends BTModule {
    instr;
    constructor(instr) {
        super();
        this.instr = instr;
    }
    checkGlobal(grid) {
        const color = colorToBTTile(this.instr.color);
        let colored = 0;
        let possible = 0;
        for (let y = 0; y < grid.height; y++) {
            for (let x = 0; x < grid.width; x++) {
                const tile = grid.getTile(x, y);
                if (tile === color)
                    colored += 1;
                else if (tile === BTTile.Empty)
                    possible += 1;
            }
        }
        if (colored > this.instr.count || colored + possible < this.instr.count)
            return false;
        return { tilesNeedCheck: null, ratings: null };
    }
}