80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
# coding=utf-8
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from ..ToolsConfig import *
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import random
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def Probability(odds):
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"""
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根据输入概率判断一次结果
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:param odds:概率float
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:return:bool
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"""
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t = odds / 2.0
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d = random.uniform(t, 1.0 - t)
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return d - t < random.random() < d + t
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class AddProbability(object):
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"""
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累加概率算法，当进行到times次时，期望行动概率为100%，但并不代表本次判定为100%
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"""
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def __init__(self, times):
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self.runTime = 0
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self.times = times
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self.k = 2.0 / times ** 2.0
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def ChanceOnce(self):
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"""
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判断一次结果
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:return:bool
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"""
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self.runTime += 1
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return Probability(self.runTime * self.k)
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class AddProbabilityForMcServerTick(AddProbability):
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"""
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针对MC系统的特殊算法
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status:R运行，S中止，F完成
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"""
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def __init__(self, maxTime, system, func, *args):
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self.system = system
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super(AddProbabilityForMcServerTick, self).__init__(int(maxTime * 30.0))
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self.system.ListenForEvent(MC_SYSTEM_NAMESPACE, MC_SYSTEM_NAME, 'OnScriptTickServer', self, self.McTick)
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self.func = func
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self.funcParm = args
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self.status = 'R'
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def Suspend(self):
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"""中止"""
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print "递增概率函数中止：{}".format(self.func.__name__)
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self.status = 'S'
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self.system.UnListenForEvent(MC_SYSTEM_NAMESPACE, MC_SYSTEM_NAME, 'OnScriptTickServer', self, self.McTick)
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def Start(self):
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"""开始"""
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print "递增概率函数中止后再次开始：{}".format(self.func.__name__)
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self.status = 'R'
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self.system.ListenForEvent(MC_SYSTEM_NAMESPACE, MC_SYSTEM_NAME, 'OnScriptTickServer', self, self.McTick)
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def McTick(self):
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self.ChanceOnce()
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def ChanceOnce(self):
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"""
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判断一次结果
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:return:bool
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"""
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self.runTime += 1
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if Probability(self.runTime * self.k) or self.runTime >= self.times:
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self.system.UnListenForEvent(MC_SYSTEM_NAMESPACE, MC_SYSTEM_NAME, 'OnScriptTickServer', self, self.McTick)
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self.func(*self.funcParm)
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self.status = 'F'
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return True
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return False
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def Destroy(self):
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self.system.UnListenForEvent(MC_SYSTEM_NAMESPACE, MC_SYSTEM_NAME, 'OnScriptTickServer', self, self.McTick)
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