feat: regicide code

src/samples/regicide/utils.ts

@@ -0,0 +1,132 @@
+import {ALL_RANKS, ALL_SUITS, CARD_VALUES, ENEMY_COUNT, FACE_CARDS} from "@/samples/regicide/constants";
+import {CardRank, Enemy, RegicideCard, SuitType} from "@/samples/regicide/types";
+import {RNG} from "@/utils/rng";
+
+/**
+ * 获取卡牌面值
+ */
+export function getCardValue(rank: CardRank): number {
+    return CARD_VALUES[rank];
+}
+
+/**
+ * 创建卡牌部件
+ */
+export function createCard(id: string, suit: SuitType, rank: CardRank): RegicideCard {
+    return {
+        id,
+        regionId: '',
+        position: [],
+        suit,
+        rank,
+        value: getCardValue(rank),
+    };
+}
+
+/**
+ * 创建敌人
+ */
+export function createEnemy(id: string, rank: CardRank, suit: SuitType): Enemy {
+    const value = getCardValue(rank);
+    return {
+        id,
+        rank,
+        suit,
+        value,
+        hp: value * 2,
+        maxHp: value * 2,
+    };
+}
+
+/**
+ * 生成完整卡牌列表（52张，不含大小王）
+ */
+export function createAllCards(): Record<string, RegicideCard> {
+    const cards: Record<string, RegicideCard> = {};
+
+    for (const suit of ALL_SUITS) {
+        for (const rank of ALL_RANKS) {
+            const id = `${suit}_${rank}`;
+            cards[id] = createCard(id, suit, rank);
+        }
+    }
+
+    return cards;
+}
+
+/**
+ * 构建敌人牌堆（J/Q/K 共12张）
+ * 规则：4张K在最下，4张Q在中间，4张J在最上
+ */
+export function buildEnemyDeck(rng: RNG): Enemy[] {
+    const enemies: Enemy[] = [];
+    let idCounter = 0;
+
+    // 创建所有J/Q/K敌人
+    for (const rank of FACE_CARDS) {
+        for (const suit of ALL_SUITS) {
+            const id = `enemy_${idCounter++}`;
+            enemies.push(createEnemy(id, rank, suit));
+        }
+    }
+
+    // 分离J、Q、K
+    const jEnemies = enemies.filter(e => e.rank === 'J');
+    const qEnemies = enemies.filter(e => e.rank === 'Q');
+    const kEnemies = enemies.filter(e => e.rank === 'K');
+
+    // 分别洗牌
+    shuffleArray(jEnemies, rng);
+    shuffleArray(qEnemies, rng);
+    shuffleArray(kEnemies, rng);
+
+    // J在最上（先遇到），Q在中间，K在最下
+    return [...jEnemies, ...qEnemies, ...kEnemies];
+}
+
+/**
+ * 构建酒馆牌堆（移除J/Q/K后的剩余牌）
+ */
+export function buildTavernDeck(rng: RNG): RegicideCard[] {
+    const allCards = createAllCards();
+    const numberCards = Object.values(allCards).filter(card => !FACE_CARDS.includes(card.rank));
+
+    shuffleArray(numberCards, rng);
+
+    return numberCards;
+}
+
+/**
+ * 洗牌辅助函数
+ */
+function shuffleArray<T>(array: T[], rng: RNG): void {
+    for (let i = array.length - 1; i > 0; i--) {
+        const j = rng.nextInt(i + 1);
+        [array[i], array[j]] = [array[j], array[i]];
+    }
+}
+
+/**
+ * 从牌堆抽牌
+ */
+export function drawFromDeck(
+    deck: RegicideCard[],
+    count: number
+): RegicideCard[] {
+    const drawn = deck.splice(0, count);
+    return drawn;
+}
+
+/**
+ * 检查敌人是否被击败
+ */
+export function isEnemyDefeated(enemy: Enemy | null): boolean {
+    return enemy !== null && enemy.hp <= 0;
+}
+
+/**
+ * 获取当前玩家手牌区域ID
+ */
+export function getPlayerHandRegionId(playerId: string): string {
+    return `hand_${playerId}`;
+}