Ethanfly
d07ebb735a
- Change VITE_API_URL in .env from localhost:3000 to localhost:3001 for backend access. - Update index.html to replace favicon with logo.png and ensure proper HTML structure. - Add new dependencies for WangEditor in package.json and package-lock.json to support rich text editing features.
111 lines
3.2 KiB
JavaScript
111 lines
3.2 KiB
JavaScript
const { POWER_CALC } = require('../config/constants');
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/**
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* 战力值计算服务
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*/
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class PowerCalculator {
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/**
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* 计算单场比赛战力值变动
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* @param {Object} winner - 胜者信息 { powerScore, level, protectedMatches }
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* @param {Object} loser - 败者信息 { powerScore, level, protectedMatches }
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* @param {number} matchWeight - 比赛权重
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* @returns {Object} { winnerChange, loserChange }
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*/
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static calculate(winner, loser, matchWeight = 1.0) {
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const { BASE_WIN, BASE_LOSE, UNDERDOG_THRESHOLD, UNDERDOG_RATE, MAX_CHANGE, NEWBIE_PROTECTION, NEWBIE_LOSE_RATE } = POWER_CALC;
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// 计算分差
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const diff = loser.powerScore - winner.powerScore;
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// 基础得分
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let winnerChange = BASE_WIN;
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let loserChange = BASE_LOSE;
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// 以下克上奖励
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if (diff >= UNDERDOG_THRESHOLD) {
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const bonus = Math.ceil(diff * UNDERDOG_RATE);
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winnerChange += bonus;
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}
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// 应用比赛权重
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winnerChange = Math.round(winnerChange * matchWeight);
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loserChange = Math.round(loserChange * matchWeight);
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// 新手保护（Lv1和Lv2，前5场）
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if (loser.level <= 2 && loser.protectedMatches < NEWBIE_PROTECTION) {
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loserChange = Math.round(loserChange * NEWBIE_LOSE_RATE);
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}
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// 封顶限制
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winnerChange = Math.min(winnerChange, MAX_CHANGE);
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loserChange = Math.max(loserChange, -MAX_CHANGE);
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return {
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winnerChange,
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loserChange
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};
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}
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/**
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* 检查挑战赛冷却期
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* @param {Date} lastMatchTime - 上次比赛时间
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* @returns {boolean} 是否可以挑战
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*/
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static canChallenge(lastMatchTime) {
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if (!lastMatchTime) return true;
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const cooldownDays = POWER_CALC.CHALLENGE_COOLDOWN;
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const cooldownMs = cooldownDays * 24 * 60 * 60 * 1000;
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const timeDiff = Date.now() - new Date(lastMatchTime).getTime();
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return timeDiff >= cooldownMs;
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}
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/**
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* 获取冷却剩余天数
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* @param {Date} lastMatchTime - 上次比赛时间
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* @returns {number} 剩余天数
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*/
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static getCooldownDays(lastMatchTime) {
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if (!lastMatchTime) return 0;
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const cooldownDays = POWER_CALC.CHALLENGE_COOLDOWN;
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const cooldownMs = cooldownDays * 24 * 60 * 60 * 1000;
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const timeDiff = Date.now() - new Date(lastMatchTime).getTime();
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if (timeDiff >= cooldownMs) return 0;
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return Math.ceil((cooldownMs - timeDiff) / (24 * 60 * 60 * 1000));
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}
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/**
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* 判断升降级（排位赛结束后）
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* 规则：
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* - 只有冠军晋级（+1 段位，最高不超过 5 段）
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* - 只有最后一名且当前段位为 4 或 5 时降级（-1 段位）
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* @param {number} rank - 排名 (1-based)
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* @param {number} totalPlayers - 总人数
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* @returns {string} 'promote' | 'demote' | 'stay'
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*/
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static determinePromotion(rank, totalPlayers) {
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if (rank === 1) {
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return 'promote'; // 仅冠军晋级
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}
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if (rank === totalPlayers) {
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return 'demote'; // 仅最后一名有降级资格（具体是否降，看段位）
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}
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return 'stay'; // 其它名次保持不变
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}
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/**
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* 计算消费积分
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* @param {number} amount - 消费金额
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* @returns {number} 积分
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*/
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static calculateConsumePoints(amount) {
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return Math.floor(amount / 10);
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}
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}
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module.exports = PowerCalculator;
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