//p:用于解析原随机范围
//percentile:将下限提升至 ：【下限+ （上限-下限）*percentile】 的值。 by PY 2017.7.19
static public string GeneratePara(string p, float percentile = 0)
{
string v = p.Trim('\n');
if (v.StartsWith("{") && v.EndsWith("}"))//枚举
{
v = v.Trim(new char[] { '{', '}' });
return(ToolsShared.GetRandomElement(v.Split('-')));
}
else if (v.StartsWith("[") && v.EndsWith("]")) //整数范围
{
v = v.Trim(new char[] { '[', ']' });
int min = int.Parse(v.Split('-')[0]);
int max = int.Parse(v.Split('-')[1]);
int newmin = (int)(min + (max - min) * percentile);
if (newmin < min)
{
newmin = min;
}
return(ToolsSharedEx.GetImbalancedRandomInt(newmin, max).ToString());
}
else if (v.StartsWith("(") && v.EndsWith(")")) //浮点范围
{
v = v.Trim(new char[] { '(', ')' });
float min = float.Parse(v.Split('-')[0]);
float max = float.Parse(v.Split('-')[1]);
float newmin = min + (max - min) * percentile;
return(ToolsSharedEx.GetImbalancedRandom(newmin, max).ToString("#.#"));
}
else
{
return(v);
}
}
public List <TriggerInstance> GenerateDifferentTriggers(List <ItemDropTip> tipPools, int count, float percentile, string tag = "")
{
List <ItemDropTip> visited = new List <ItemDropTip>();
List <TriggerInstance> rst = new List <TriggerInstance>();
if (tipPools.Count < count)
{
HSUtils.LogError("物品随机属性个数小于设定个数！模板=" + Key);
count = tipPools.Count;
}
var tList = ToolsShared.GenerateRandomListNotRepeat(tipPools, count);
for (var i = 0; i < tList.Count; i++)
{
var t = tList[i];
TriggerInstance trigger = t.GenerateItemTrigger(percentile);
if (trigger != null)
{
trigger.Tag = tag;
rst.Add(trigger);
}
}
return(rst);
}
public static Item RandomGetByLevel(int level)
{
var itemList = ConfigTable.GetAll <Item>().Where(item => { return(item.Level > level - 3 && item.Level < level + 3); }).ToList();
if (itemList == null || itemList.Count == 0)
{
return(null);
}
int index = ToolsShared.GetRandomInt(0, itemList.Count - 1);
return(itemList[level]);
}
public List <TriggerInstance> GenerateItemTriggers(double teamMf, float percentile)
{
List <TriggerInstance> list = new List <TriggerInstance>();
//固定属性
foreach (var t in GetMustTips())
{
var trigger = t.GenerateItemTrigger(percentile);
if (trigger != null)
{
list.Add(trigger);
}
}
//随机属性
List <double> rates = GetRandomRates();
bool randomGenerated = false;
for (int i = rates.Count - 1; i >= 0; --i)
{
var rate = rates[i] * (1 + teamMf);
int triggercount = i + 1;
if (triggercount < RandomMin || triggercount > RandomMax)
{
continue;
}
//匹配到了
if (ToolsShared.ProbabilityTest(rate))
{
list.AddRange(GenerateDifferentTriggers(GetRandomTips().ToList(), i + 1, percentile));
randomGenerated = true;
break;
}
}
//没有匹配到
if ((!randomGenerated) && RandomMin > 0)
{
list.AddRange(GenerateDifferentTriggers(GetRandomTips().ToList(), RandomMin, percentile));
}
return(list);
}
//获取距离江湖元年的真实时间
//public static DateTime GetDateSinceJianghuZeroYear()
//{
// if (jianghuYearZero == DateTime.MinValue)
// {
// var jianghuYearZeroServer = ConfigManager.Get("JIANGHU_YEAR_ZERO", "");
// if (!string.IsNullOrEmpty(jianghuYearZeroServer))
// {
// jianghuYearZero = DateTime.ParseExact(jianghuYearZeroServer, "yyyy-MM-dd HH:mm:ss", CultureInfo.CurrentCulture);
// }
// else
// {
// jianghuYearZero = DateTime.ParseExact(ConfigManager.Get("JIANGHU_YEAR_ZERO"), "yyyy-MM-dd HH:mm:ss", CultureInfo.CurrentCulture);
// }
// }
// var date = jianghuYearZero + TimeSpan.FromDays((HSTimeHelper.Now - jianghuYearZero).TotalDays * 4);
// return date;
//}
#endregion
//生成a到b直接不均匀分布的随机数,靠近a的部分概率大，靠近b的部分概率小
public static double GetImbalancedRandom(double a, double b)
{
double tmp = 0;
if (b < a)
{
tmp = a;
a = b;
b = tmp;
}
int rate = 4; //高概率部分爆率为低概率的1/(2 * 5 ) = 1/ 10
double diff = b - a;
double num = ToolsShared.GetRandom(a, a + rate * diff);
if (num >= a && num <= a + (rate - 1) * diff)
{
num = a + (num - a) / (double)((rate - 1) * 2);
}
else
{
num = num - (rate - 1) * diff;
}
if (num < a)
{
num = a;
}
if (num > b)
{
num = b;
}
return(num);
}
