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| 1 | +import { Domino, IDominoData } from "./Domino"; |
| 2 | + |
| 3 | +interface IDeckItem { |
| 4 | + domino: Domino; |
| 5 | + faceUp: boolean; |
| 6 | +} |
| 7 | + |
| 8 | +export class DominoDeck { |
| 9 | + private _dominoes: IDeckItem[]; |
| 10 | + |
| 11 | + public get dominoes(): Domino[] { |
| 12 | + return this._dominoes.map((d) => d.domino); |
| 13 | + } |
| 14 | + |
| 15 | + public get size(): number { |
| 16 | + return this._dominoes.length; |
| 17 | + } |
| 18 | + |
| 19 | + constructor(dominoes: Domino[] = []) { |
| 20 | + this._dominoes = dominoes.map((d) => ({ domino: d.clone(), faceUp: false })); |
| 21 | + } |
| 22 | + |
| 23 | + public static fromDouble(n: number): DominoDeck { |
| 24 | + const dominoes: Domino[] = []; |
| 25 | + for (let i = 0; i <= n; i++) { |
| 26 | + for (let j = i; j <= n; j++) { |
| 27 | + dominoes.push(new Domino(i, j)); |
| 28 | + } |
| 29 | + } |
| 30 | + return new DominoDeck(dominoes); |
| 31 | + } |
| 32 | + |
| 33 | + public shuffle(justFaceDown = false): void { |
| 34 | + if (justFaceDown) { |
| 35 | + const indices: number[] = []; |
| 36 | + this._dominoes.forEach((d, i) => { |
| 37 | + if (!d.faceUp) { |
| 38 | + indices.push(i); |
| 39 | + } |
| 40 | + }); |
| 41 | + for (let i = indices.length - 1; i > 0; i--) { |
| 42 | + const j = Math.floor(Math.random() * (i + 1)); |
| 43 | + const idxI = indices[i]; |
| 44 | + const idxJ = indices[j]; |
| 45 | + [this._dominoes[idxI].domino, this._dominoes[idxJ].domino] = [this._dominoes[idxJ].domino, this._dominoes[idxI].domino]; |
| 46 | + } |
| 47 | + } else { |
| 48 | + this._dominoes.forEach((d) => (d.faceUp = false)); |
| 49 | + for (let i = this._dominoes.length - 1; i > 0; i--) { |
| 50 | + const j = Math.floor(Math.random() * (i + 1)); |
| 51 | + [this._dominoes[i], this._dominoes[j]] = [this._dominoes[j], this._dominoes[i]]; |
| 52 | + } |
| 53 | + } |
| 54 | + } |
| 55 | + |
| 56 | + public draw(): Domino | undefined { |
| 57 | + const item = this._dominoes.pop(); |
| 58 | + return item?.domino; |
| 59 | + } |
| 60 | + |
| 61 | + public add(domino: Domino, faceUp = true): void { |
| 62 | + this._dominoes.push({ domino, faceUp }); |
| 63 | + } |
| 64 | + |
| 65 | + public remove(dominoes: Domino[]): void { |
| 66 | + for (const target of dominoes) { |
| 67 | + const idx = this._dominoes.findIndex((item) => (item.domino.l === target.l && item.domino.r === target.r)); |
| 68 | + if (idx !== -1) { |
| 69 | + this._dominoes.splice(idx, 1); |
| 70 | + } |
| 71 | + } |
| 72 | + } |
| 73 | + |
| 74 | + public revealAll(): void { |
| 75 | + this._dominoes.forEach((d) => (d.faceUp = true)); |
| 76 | + } |
| 77 | + |
| 78 | + public clone(): DominoDeck { |
| 79 | + const newDeck = new DominoDeck(); |
| 80 | + newDeck._dominoes = this._dominoes.map((d) => ({ domino: d.domino.clone(), faceUp: d.faceUp })); |
| 81 | + return newDeck; |
| 82 | + } |
| 83 | + |
| 84 | + public serialize(): string { |
| 85 | + return JSON.stringify(this._dominoes.map((d) => ({ l: d.domino.l, r: d.domino.r, faceUp: d.faceUp }))); |
| 86 | + } |
| 87 | + |
| 88 | + public static deserialize(json: string): DominoDeck { |
| 89 | + const data = JSON.parse(json) as (IDominoData & { faceUp?: boolean })[]; |
| 90 | + const deck = new DominoDeck(); |
| 91 | + deck._dominoes = data.map((d) => ({ |
| 92 | + domino: new Domino(d.l, d.r), |
| 93 | + faceUp: d.faceUp ?? false, |
| 94 | + })); |
| 95 | + return deck; |
| 96 | + } |
| 97 | +} |
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