145 lines
4.7 KiB
C#
145 lines
4.7 KiB
C#
using Microsoft.Extensions.Caching.Distributed;
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using Volo.Abp.Caching;
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using Volo.Abp.Domain.Services;
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using Volo.Abp.Settings;
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using Yi.Framework.DigitalCollectibles.Domain.Shared.Consts;
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using Yi.Framework.DigitalCollectibles.Domain.Shared.Dtos;
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using Yi.Framework.SettingManagement.Domain;
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namespace Yi.Framework.DigitalCollectibles.Domain.Managers;
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/// <summary>
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/// 矿池领域服务
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/// 处理矿池相关业务，例如挖矿等
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/// </summary>
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public class MiningPoolManager : DomainService
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{
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/// <summary>
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/// 每次挖矿概率，每天根据特定算法计算
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/// </summary>
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private static decimal CurrentMiningProbability { get; set; }
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private readonly ISettingProvider _settingProvider;
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private readonly IDistributedCache<MiningPoolContent> _cache;
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public MiningPoolManager(ISettingProvider settingProvider, IDistributedCache<MiningPoolContent> cache)
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{
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_settingProvider = settingProvider;
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this._cache = cache;
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}
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/// <summary>
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/// 最后一次计算挖矿概率的时间，如果时间跨了早上10点，重新计算
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/// </summary>
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private static DateTime LastComputeMiningProbabilityTime { get; set; }
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/// <summary>
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/// 用户进行一次挖矿
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/// </summary>
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/// <returns></returns>
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public Task MiningAsync(Guid userId)
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{
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//从矿池中开挖
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//根据挖矿概率，进行挖掘
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//挖到了放到用户仓库即可
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//如果概率是挖到了矿，再从矿物中随机选择一个稀有度，再在当前稀有度中的矿物列表，随机选择一个具体的矿物
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throw new NotImplementedException();
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}
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/// <summary>
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/// 计算当前挖矿概率
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/// </summary>
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/// <returns></returns>
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public Task ComputeMiningProbabilityAsync()
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{
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//当前的挖矿期望：当天的所有藏品能被刚好挖完
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//保底概率：最大不能高过一个值，百分之10
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//手动挖矿：1天可挖10次，每次至少间隔6秒
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//自动挖矿：1天可以挖24次 每次间隔60分钟（需要使用自动挖矿卡）
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//可影响因素：剩余手动挖矿次数+剩余自动挖矿次数
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//所有能够挖掘次数
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throw new NotImplementedException();
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}
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/// <summary>
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/// 刷新矿池
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/// </summary>
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/// <returns></returns>
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public async Task RefreshMiningPoolAsync()
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{
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//获取当前最大的限制
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var maximumPoolLimit = int.Parse(await _settingProvider.GetOrNullAsync("MaximumPoolLimit"));
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DateTime startTime = DateTime.Today.AddHours(10);
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DateTime endTime = startTime.AddDays(1);
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var probabilityValues = RarityEnumExtensions.GetProbabilityValues();
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var result = GenerateDistribution(maximumPoolLimit, probabilityValues);
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//根据配置，将不同比例的矿，塞入矿池,
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//矿池，交给redis
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await _cache.SetAsync(CacheConst.MiningPoolContent, new MiningPoolContent(startTime, endTime)
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{
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I0_OrdinaryNumber = result[0],
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I1_SeniorNumber = result[1],
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I2_RareNumber = result[2],
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I3_GemNumber = result[3],
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I4_LegendNumber = result[4]
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}, new DistributedCacheEntryOptions
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{
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AbsoluteExpiration = endTime
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});
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}
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/// <summary>
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/// 根据概率生成给对应稀有度藏品
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/// </summary>
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/// <param name="totalCount"></param>
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/// <param name="probabilities"></param>
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/// <returns></returns>
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/// <exception cref="ArgumentException"></exception>
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private int[] GenerateDistribution(int totalCount, decimal[] probabilities)
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{
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int[] counts = new int[probabilities.Length];
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decimal totalProbability = 0;
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// 计算概率总和，确保为 1
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foreach (var prob in probabilities)
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{
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totalProbability += prob;
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}
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// 检查概率之和是否为 1
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if (totalProbability < 0.99m || totalProbability > 1.01m)
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{
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throw new ArgumentException("概率总和必须接近1");
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}
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// 生成分布
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for (int i = 0; i < probabilities.Length; i++)
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{
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counts[i] = (int)(totalCount * probabilities[i]);
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}
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// 处理可能因精度问题导致的总数不足
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int sum = 0;
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foreach (var count in counts)
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{
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sum += count;
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}
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int difference = totalCount - sum;
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// 将差值分配给概率最大的一项
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if (difference > 0)
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{
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int maxIndex = Array.IndexOf(counts, Math.Max(counts[0], counts[1]));
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counts[maxIndex] += difference;
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}
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return counts;
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}
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} |