pixelheros/assets/script/game/common/config/CardSet.ts

import { AttrCards, AttrInfo } from "./AttrSet";
import { talConf, ItalConf } from "./TalSet";
import { SkillSet, CanSelectSkills, SkillConfig } from "./SkillSet";
import { HeroInfo, CanSelectHeros, heroInfo } from "./heroSet";

/**
 * 卡牌类型枚举
 */
export enum CardType {
    Skill = 1,   // 技能
    Talent = 2,  // 天赋
    Attr = 3,    // 属性
    Hero = 4     // 英雄(伙伴)
}

/**
 * 统一卡牌信息接口 (用于UI显示和逻辑处理)
 */
export interface ICardInfo {
    uuid: number;
    type: CardType;
    name: string;
    desc: string;
    icon: string;
    weight: number; // 抽取权重
    tag?: string;   // 标签 (如 "special" 表示特殊属性)
    payload: any;   // 原始配置数据
}

/**
 * 等级池配置项
 */
export interface IPoolWeight {
    type: CardType;
    weight: number;
    tag?: string; // 如果指定，只从该类型中包含此tag的卡牌中抽取
}

/**
 * 1-20 级卡牌池配置表
 * 定义每个等级可能出现的卡牌类型及其权重
 */
export const LevelPoolConfigs: Record<number, IPoolWeight[]> = {
    1:  [{ type: CardType.Skill, weight: 100 }],
    2:  [{ type: CardType.Attr, weight: 100 }], // 常规属性
    3:  [{ type: CardType.Talent, weight: 50 }, { type: CardType.Attr, weight: 50, tag: "special" }], // 天赋或特殊属性
    4:  [{ type: CardType.Attr, weight: 100 }],
    5:  [{ type: CardType.Talent, weight: 100 }],
    6:  [{ type: CardType.Hero, weight: 100 }], // 伙伴节点
    7:  [{ type: CardType.Attr, weight: 80 }, { type: CardType.Skill, weight: 20 }],
    8:  [{ type: CardType.Attr, weight: 80 }, { type: CardType.Skill, weight: 20 }],
    9:  [{ type: CardType.Attr, weight: 50, tag: "special" }, { type: CardType.Talent, weight: 50 }],
    10: [{ type: CardType.Talent, weight: 100 }],
    11: [{ type: CardType.Attr, weight: 70 }, { type: CardType.Skill, weight: 30 }],
    12: [{ type: CardType.Attr, weight: 70 }, { type: CardType.Skill, weight: 30 }],
    13: [{ type: CardType.Attr, weight: 100 }],
    14: [{ type: CardType.Attr, weight: 50, tag: "special" }, { type: CardType.Talent, weight: 50 }],
    15: [{ type: CardType.Talent, weight: 100 }],
    16: [{ type: CardType.Attr, weight: 60 }, { type: CardType.Skill, weight: 40 }],
    17: [{ type: CardType.Attr, weight: 60 }, { type: CardType.Skill, weight: 40 }],
    18: [{ type: CardType.Attr, weight: 50, tag: "special" }, { type: CardType.Talent, weight: 50 }],
    19: [{ type: CardType.Attr, weight: 100 }],
    20: [{ type: CardType.Talent, weight: 100 }],
};

// ========== 卡牌池缓存 ==========
let _cachedPools: Map<CardType, ICardInfo[]> = new Map();

/**
 * 初始化并获取指定类型的完整卡牌池
 */
function getFullPool(type: CardType): ICardInfo[] {
    if (_cachedPools.has(type)) {
        return _cachedPools.get(type)!;
    }

    const pool: ICardInfo[] = [];

    switch (type) {
        case CardType.Attr:
            // 转换属性配置
            Object.values(AttrCards).forEach(cfg => {
                pool.push({
                    uuid: cfg.uuid,
                    type: CardType.Attr,
                    name: cfg.desc.split(" ")[0] || "属性强化", // 简单处理名称
                    desc: cfg.desc,
                    icon: cfg.icon,
                    weight: 100, // 属性默认权重 100
                    tag: cfg.isSpecial ? "special" : undefined,
                    payload: cfg
                });
            });
            break;

        case CardType.Talent:
            // 转换天赋配置
            Object.values(talConf).forEach(cfg => {
                pool.push({
                    uuid: cfg.uuid,
                    type: CardType.Talent,
                    name: cfg.name,
                    desc: cfg.desc,
                    icon: cfg.icon,
                    weight: 50, // 天赋默认权重 50
                    payload: cfg
                });
            });
            break;

        case CardType.Skill:
            // 转换技能配置 (仅包含 CanSelectSkills)
            CanSelectSkills.forEach(uuid => {
                const cfg = SkillSet[uuid];
                if (cfg) {
                    pool.push({
                        uuid: cfg.uuid,
                        type: CardType.Skill,
                        name: cfg.name,
                        desc: cfg.info,
                        icon: cfg.icon,
                        weight: 80, // 技能默认权重 80
                        payload: cfg
                    });
                }
            });
            break;

        case CardType.Hero:
            // 转换英雄配置 (仅包含 CanSelectHeros)
            CanSelectHeros.forEach(uuid => {
                const cfg = HeroInfo[uuid];
                if (cfg) {
                    pool.push({
                        uuid: cfg.uuid,
                        type: CardType.Hero,
                        name: cfg.name,
                        desc: cfg.info,
                        icon: cfg.path, // 使用 path 作为图标引用
                        weight: 1000, // 英雄权重极高(如果池子里有的话)
                        payload: cfg
                    });
                }
            });
            break;
    }

    _cachedPools.set(type, pool);
    return pool;
}

/**
 * 根据等级获取随机卡牌选项
 * @param level 当前等级
 * @param count 选项数量 (默认3个)
 * @param excludeUuids 排除的卡牌UUID列表 (用于去重或排除已拥有)
 */
export function getCardOptions(level: number, count: number = 3, excludeUuids: number[] = []): ICardInfo[] {
    // 1. 获取该等级的池配置，如果没有配置，默认给属性
    const poolConfigs = LevelPoolConfigs[level] || [{ type: CardType.Attr, weight: 100 }];
    
    const result: ICardInfo[] = [];
    const excludeSet = new Set(excludeUuids);

    // 循环抽取 count 次
    for (let i = 0; i < count; i++) {
        // 2.1 随机决定本次抽取的类型池
        const selectedPoolConfig = weightedRandomPool(poolConfigs);
        if (!selectedPoolConfig) continue;

        // 2.2 获取该类型的所有卡牌
        let candidates = getFullPool(selectedPoolConfig.type);

        // 2.3 过滤 (Tag过滤 + 排除列表 + 已选中过滤)
        candidates = candidates.filter(card => {
            // Tag 匹配
            if (selectedPoolConfig.tag && card.tag !== selectedPoolConfig.tag) return false;
            // 排除列表
            if (excludeSet.has(card.uuid)) return false;
            // 当前轮次已选中去重
            if (result.find(r => r.uuid === card.uuid)) return false;
            return true;
        });

        // 2.4 如果该池子空了 (比如技能都学完了)，尝试从属性池兜底
        if (candidates.length === 0) {
            candidates = getFullPool(CardType.Attr).filter(c => !result.find(r => r.uuid === c.uuid));
        }

        if (candidates.length > 0) {
            // 2.5 按卡牌权重随机抽取一张
            const card = weightedRandomCard(candidates);
            if (card) {
                result.push(card);
            }
        }
    }

    // 3. 最终结果洗牌 (避免顺序固定)
    shuffleArray(result);

    return result;
}

// ========== 工具函数 ==========

/**
 * 权重随机选择池配置
 */
function weightedRandomPool(configs: IPoolWeight[]): IPoolWeight | null {
    if (!configs || configs.length === 0) return null;
    
    const totalWeight = configs.reduce((sum, item) => sum + item.weight, 0);
    let randomVal = Math.random() * totalWeight;
    
    for (const config of configs) {
        randomVal -= config.weight;
        if (randomVal <= 0) {
            return config;
        }
    }
    return configs[configs.length - 1];
}

/**
 * 权重随机选择卡牌
 */
function weightedRandomCard(cards: ICardInfo[]): ICardInfo | null {
    if (!cards || cards.length === 0) return null;
    
    const totalWeight = cards.reduce((sum, item) => sum + item.weight, 0);
    let randomVal = Math.random() * totalWeight;
    
    for (const card of cards) {
        randomVal -= card.weight;
        if (randomVal <= 0) {
            return card;
        }
    }
    return cards[cards.length - 1];
}

/**
 * 数组洗牌 (Fisher-Yates)
 */
function shuffleArray(array: any[]) {
    for (let i = array.length - 1; i > 0; i--) {
        const j = Math.floor(Math.random() * (i + 1));
        [array[i], array[j]] = [array[j], array[i]];
    }
}