226 lines
8 KiB
Python
226 lines
8 KiB
Python
import re
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import secrets
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import numpy as np
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MAX_DICE_COUNT = 100 # 一次摇动最多的骰子数量
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MAX_ROLL_TIMES = 10 # 一次命令最多的摇动次数
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MAX_MOD_NUMBER = 10000 # 骰子最大加权值
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MIN_MOD_NUMBER = -10000 # 骰子最小加权值
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MAX_OUTPUT_NUM = 50 # 输出的最多数据量
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MAX_OUTPUT_LEN = 200 # 输出的最大长度
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MAX_DETAIL_CNT = 5 # n次摇动的骰子的总量超过该值时将不再显示详细信息
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MAX_ITEM_COUNT = 10 # 骰子多项式最多的项数
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class DiceSyntaxError(Exception):
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"""骰子语法错误"""
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def __init__(self, message):
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self.message = f"语法错误: {message}"
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class DiceValueError(Exception):
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"""骰子参数值错误"""
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def __init__(self, message, value=None):
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if value != None:
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self.message = f"参数错误: 输入为“{value}”，{message} "
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else:
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self.message = f"参数错误: {message} "
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class DiceItemBase(object):
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"""骰子项的基类"""
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def __init__(self, diceCode: str, postive: bool):
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self.postive = postive
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self.code = diceCode
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self.result = None
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self.detail = ''
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def GetResult(self, abs=True):
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if abs:
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return self.result
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else:
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return self.result if self.postive else -self.result
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def GetDetail(self):
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return self.detail
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def Roll(self):
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pass
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class DiceMod(DiceItemBase):
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"""调节值项"""
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def __init__(self, diceCode: str, postive: bool):
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super().__init__(diceCode, postive)
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if not diceCode.isdigit():
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raise DiceValueError(f'无效的调节值项', '+' if self.postive else '-' + diceCode)
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else:
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self.result = int(diceCode)
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if self.result > MAX_MOD_NUMBER or self.result < MIN_MOD_NUMBER:
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raise DiceValueError(f'调节值不得小于 {MIN_MOD_NUMBER} 或大于 {MAX_MOD_NUMBER}', self.result)
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def GetDetail(self):
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return self.result
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class Dice(DiceItemBase):
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"""骰子项"""
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def __init__(self, diceCode: str, postive: bool):
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diceCode = diceCode.replace(' ', '')
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super().__init__(diceCode, postive)
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args = self.GetArgs()
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self.count = args[0]
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self.type = args[1]
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self.adv = args[2]
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if self.count <= 0 or self.count > MAX_DICE_COUNT:
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raise DiceValueError(f'骰子数量不得小于 1 或大于 {MAX_DICE_COUNT}', self.count)
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if self.type <= 0:
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raise DiceValueError(f'骰子面数不得小于 2', self.count)
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if self.type == 1:
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raise DiceValueError(f'1 ... 1 面的骰子？')
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if abs(self.adv) > self.count:
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raise DiceValueError(f'优劣势骰数大于总骰子数', self.adv)
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def GetArgs(self):
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diceCode = self.code.upper() # 便于识别
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diceCount = '1' # 骰子数量
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advantage = '0' # 保留的骰子量
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if re.search(r'[^0-9DKL]', diceCode):
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raise DiceSyntaxError('骰子语句中存在无法识别的字符')
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if 'D' not in diceCode:
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raise DiceSyntaxError('骰子语句缺失字符 D')
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temp = diceCode.split('D')
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if len(temp[0]):
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diceCount = temp[0]
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else:
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diceCount = '1'
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midstrs = temp[1].partition('K')
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diceType = midstrs[0]
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if 'K' in midstrs[1]:
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advantage = midstrs[2].replace('L', '-')
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if not len(advantage.removeprefix('-')):
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advantage += '1' # K/KL后没有值默认为1
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# 语法合法检定
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if not diceCount.isdigit():
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raise DiceValueError(f'无效的骰子数量', diceCount)
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if not diceType.isdigit():
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raise DiceValueError(f'无效的骰子面数', diceType)
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if not (advantage.isdigit() or (advantage[0] == '-' and advantage[1:].isdigit())):
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raise DiceValueError(f'无效的优劣势', advantage)
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return (int(diceCount), int(diceType), int(advantage))
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def Roll(self):
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output = ''
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result = 0
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diceResults = []
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adv = self.adv
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output += self.code + ' = '
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# 生成随机序列
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for i in range(self.count):
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diceResults.append(secrets.randbelow(int(self.type)) + 1)
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if adv != 0:
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newResults = []
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indexs = np.array(diceResults).argsort()
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indexs = indexs[-adv:] if adv > 0 else indexs[:-adv]
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output += '( '
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outputBuffer = ''
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for i in range(self.count):
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outputBuffer += str(diceResults[i])
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if i in indexs:
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newResults.append(diceResults[i])
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outputBuffer += '*'
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if i < self.count - 1:
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outputBuffer += ','
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if self.count >= MAX_OUTPUT_NUM:
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outputBuffer = f"数量过大，已省略 {self.count} 个数据"
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output += outputBuffer + ' ) = '
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diceResults = newResults
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# 公用加法
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length = len(diceResults)
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if (length > 1):
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output += '[ '
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if length > MAX_OUTPUT_NUM: # 显示数据含100
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output += f'数量过大，已省略 {length} 个数据'
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for i in range(length):
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result += diceResults[i]
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if length <= MAX_OUTPUT_NUM: # 显示数据含100
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output += str(diceResults[i])
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if i < length - 1:
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output += '+'
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output += ' ] = '
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else:
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result = diceResults[0]
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if len(output) > MAX_OUTPUT_LEN:
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output = '输出过长...'
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self.detail = output + f" {result} "
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self.result = result
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async def GenerateMessage(dices: str, times: int, dc: int):
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if re.search(r'[^0-9+\-DKL]', dices.upper()):
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return DiceSyntaxError('骰子语句中存在无法识别的字符').message
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if times > MAX_ROLL_TIMES or times < 1:
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return DiceValueError(f'投骰次数不得小于 1 或 大于 {MAX_ROLL_TIMES}', times).message
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diceCodeList = re.compile(r'[+-]?[^+-]+').findall(dices)
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diceList = []
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haveErr = False
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output = ""
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diceCount = 0
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i = 0
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if len(diceCodeList) > MAX_ITEM_COUNT:
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return DiceValueError('骰子多项式项数超过限制', len(diceCodeList)).message
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# 初始化骰子序列
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for item in diceCodeList:
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i += 1
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isAdd = True
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if item[0] == '-':
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isAdd = False
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item = item[1:]
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if item[0] == '+':
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item = item[1:]
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try:
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if 'D' in item or 'd' in item:
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d = Dice(item, isAdd)
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diceList.append(d)
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diceCount += d.count
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elif item.isdigit():
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diceList.append(DiceMod(item, isAdd))
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except (DiceSyntaxError, DiceValueError) as ex:
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output += f'\n第{i}项发生{ex.message}'
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haveErr = True
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if haveErr:
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return '解析骰子多项式时存在以下错误：' + output
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successNum = 0
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failNum = 0
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output = '你掷得的结果是：'
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# 开始摇动并输出
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for i in range(times):
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outputLine = ''
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result = 0
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for dice in diceList:
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dice.Roll()
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outputLine += '+' if dice.postive else '-'
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if type(dice) is Dice and times * diceCount < MAX_DETAIL_CNT:
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outputLine += f'( {dice.GetDetail()})'
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else:
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outputLine += str(dice.GetResult())
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result += dice.GetResult(False)
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outputLine = outputLine.removeprefix('+') # 移除多项式首个+
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outputLine += ' = ' + str(result)
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if dc != 0:
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if result > dc:
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outputLine += '，判定成功！'
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successNum += 1
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else:
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outputLine += '，判定失败！'
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failNum += 1
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output += f'\n{dices} = {outputLine}'
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if dc != 0 and times > 1:
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output += '\n▷ 判定成功数量：' + str(successNum) + ' 判定失败数量：' + str(failNum)
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return output
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