68 lines
2.1 KiB
TypeScript
68 lines
2.1 KiB
TypeScript
/**
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* A difficulty setting for a `Field`.
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*/
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export class Difficulty {
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readonly name: string;
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readonly width: number;
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readonly height: number;
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readonly mineCount: number;
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readonly solvable: boolean;
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/**
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* Constructs a new difficulty.
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*
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* @param name the name of the difficulty
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* @param width the width of the field in this difficulty
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* @param height the height of the field in this difficulty
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* @param mineCount the number of mines in this difficulty
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* @param solvable whether the field is guaranteed to be solvable in this difficulty
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*/
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constructor(name: string, width: number, height: number, mineCount: number, solvable: boolean) {
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this.name = name;
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this.width = width;
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this.height = height;
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this.mineCount = mineCount;
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this.solvable = solvable;
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}
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}
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/**
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* The default difficulty levels.
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*/
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export const difficulties: Difficulty[] = [
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new Difficulty("Beginner (9x9, 10 mines)", 9, 9, 10, true),
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new Difficulty("Intermediate (16x16, 40 mines)", 16, 16, 40, true),
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new Difficulty("Expert (30x16, 99 mines)", 30, 16, 99, true),
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new Difficulty("Custom", 0, 0, 0, false)
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];
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/**
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* The default difficulty level.
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*/
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export const defaultDifficulty = difficulties[0];
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/**
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* The custom difficulty level, which is not a real difficulty level.
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*/
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export const customDifficulty = difficulties[difficulties.length - 1];
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/**
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* Returns the difficulty in `difficulties` that matches the given parameters.
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*
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* @param width the width to match a difficulty with
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* @param height the height to match a difficulty with
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* @param mineCount the number of mines to match a difficulty with
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*/
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export const findDifficulty = function(width: number, height: number, mineCount: number): Difficulty {
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for (let i = 0; i < difficulties.length; i++) {
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const difficulty = difficulties[i];
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if (difficulty === customDifficulty) continue;
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if (width === difficulty.width && height === difficulty.height && mineCount === difficulty.mineCount)
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return difficulty;
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}
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return customDifficulty;
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}
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