private async void UpdateFiles(bool updateFromNetwork = true)
{
_logger.LogInformation("正在更新活动列表");
_data.Events = await _client.GetEvents(updateFromNetwork);
_logger.LogInformation("活动列表更新完成");
_logger.LogInformation("正在更新卡片列表");
_data.Cards = await _client.GetCards(updateFromNetwork);
_logger.LogInformation("卡片列表更新完成");
_logger.LogInformation("正在更新卡池列表");
_data.Gacha = await _client.GetGacha(updateFromNetwork);
_logger.LogInformation("卡池列表更新完成");
_logger.LogInformation("正在更新角色列表");
_data.Characters = await _client.GetCharacters(updateFromNetwork);
_logger.LogInformation("角色列表更新完成");
_logger.LogInformation("正在更新乐队列表");
_data.Bands = await _client.GetBands(updateFromNetwork);
_logger.LogInformation("乐队列表更新完成");
_logger.LogInformation("正在更新当期卡池详情");
var recentList = _data.GetRecentGacha();
var recentDetail = new Dictionary <string, GachaDetail>();
foreach (var item in recentList)
{
recentDetail.Add(item.Key, await _client.GetGacha(item.Key, updateFromNetwork));
}
_data.RecentGachaDetails = recentDetail;
_logger.LogInformation("当期卡池详情更新完成");
}
private async Task <(string, Card)> GachaSingle(string id = null, bool tenTimes = false)
{
GachaDetail gd = !string.IsNullOrWhiteSpace(id) ? await client.GetGacha(id) : data.RecentGachaDetails.FirstOrDefault(i => i.Value.Type == "permanent" || i.Value.Type == "limited").Value;
if (gd == null)
{
gd = data.RecentGachaDetails.Last().Value;
}
var cards = gd.Details[0].ToList();
var rates = gd.Rates[0].ToList();
// 1. 选择稀有度
double sumRate = rates.Sum(c => c.Value.Rate);
double tempRate = 0;
List <double> sorted = new List <double>();
rates.ForEach(r => { tempRate += r.Value.Rate; sorted.Add(tempRate / sumRate); });
double next = randomer.NextDouble();
sorted.Add(next);
sorted.Sort();
var rate = int.Parse(rates[sorted.IndexOf(next)].Key);
// 2. 十连三星保底
if (tenTimes == true && rate == 2)
{
rate = 3;
}
// 3. 取出相应卡组
cards = cards.Where(c => c.Value.RarityIndex == rate).ToList();
sorted.Clear();
tempRate = 0;
sumRate = 0;
// 4. 大于三星时选择概率提升卡组
if (rate > 3)
{
var pickups = cards.GroupBy(k => k.Value.Pickup).Select(g => new KeyValuePair <bool, double>(g.Key, g.Sum(k => k.Value.Weight))).ToList();
sumRate = pickups.Sum(k => k.Value);
pickups.ForEach(p => { tempRate += p.Value; sorted.Add(tempRate / sumRate); });
next = randomer.NextDouble();
sorted.Add(next);
sorted.Sort();
var pickup = pickups[sorted.IndexOf(next)].Key;
cards = cards.Where(k => k.Value.Pickup == pickup).ToList();
sorted.Clear();
tempRate = 0;
sumRate = 0;
}
// 5. 取出卡片
int nextIndex = randomer.Next(0, cards.Count - 1);
return(cards[nextIndex].Key, data.Cards[cards[nextIndex].Key]);
}
