mirror of
https://github.com/shlomif/PySolFC.git
synced 2025-04-05 00:02:29 -04:00
138 lines
4.1 KiB
Python
138 lines
4.1 KiB
Python
#!/usr/bin/env python
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# -*- mode: python; coding: utf-8; -*-
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# ---------------------------------------------------------------------------##
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#
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# Copyright (C) 1998-2003 Markus Franz Xaver Johannes Oberhumer
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# Copyright (C) 2003 Mt. Hood Playing Card Co.
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# Copyright (C) 2005-2009 Skomoroh
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# ---------------------------------------------------------------------------##
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# imports
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import re
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import pysol_cards
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assert getattr(pysol_cards, 'VERSION', (0, 0, 0)) >= (0, 8, 14), (
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"Newer version of https://pypi.org/project/pysol-cards is required.")
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import pysol_cards.random # noqa: I100
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import pysol_cards.random_base # noqa: I100
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from pysol_cards.random import match_ms_deal_prefix # noqa: I100
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# ************************************************************************
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# * Linear Congruential random generator
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# *
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# * Knuth, Donald.E., "The Art of Computer Programming,", Vol 2,
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# * Seminumerical Algorithms, Third Edition, Addison-Wesley, 1998,
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# * p. 106 (line 26) & p. 108
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# ************************************************************************
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MS_LONG_BIT = (1 << 1000)
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CUSTOM_BIT = (1 << 999)
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class CustomRandom(pysol_cards.random_base.RandomBase):
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def __init__(self, seed=None):
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self.initial_seed = self.seed = MS_LONG_BIT | CUSTOM_BIT
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self.origin = self.ORIGIN_UNKNOWN
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self.setSeedAsStr('Custom')
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def reset(self):
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pass
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def shuffle(self, seq):
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pass
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# ************************************************************************
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# * Linear Congruential random generator
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# * In PySol this is only used for 0 <= seed <= 32000
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# * for Windows FreeCell compatibility
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# ************************************************************************
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class LCRandom31(pysol_cards.random.LCRandom31):
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def getSeedStr(self):
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return "ms" + str(self.initial_seed)
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def str(self, seed):
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if match_ms_deal_prefix("{}".format(seed)) is None:
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return "%05d" % int(seed)
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return seed
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PysolRandom = pysol_cards.random.MTRandom
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# ************************************************************************
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# * PySol support code
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# ************************************************************************
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# construct Random from seed string
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def constructRandom(s):
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if s == 'Custom':
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return CustomRandom()
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m = match_ms_deal_prefix(s)
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if m is not None:
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seed = m
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if 0 <= seed <= LCRandom31.MAX_SEED:
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ret = LCRandom31(seed)
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assert ret.seed
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assert ret.seedx
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assert ret.initial_seed
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# ret.setSeedAsStr(s)
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return ret
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else:
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raise ValueError("ms seed out of range")
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# cut off "L" from possible conversion to int
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s = re.sub(r"L$", "", str(s))
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s = re.sub(r"[\s\#\-\_\.\,]", "", s.lower())
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if not s:
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return None
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seed = int(s)
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if 0 <= seed < 32000:
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return LCRandom31(seed)
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return pysol_cards.random.MTRandom(seed)
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def random__str2long(s):
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if s == 'Custom':
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return CUSTOM_BIT | MS_LONG_BIT
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m = match_ms_deal_prefix(s)
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if m is not None:
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return (m | MS_LONG_BIT)
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else:
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return int(s)
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def random__long2str(l):
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if ((l & MS_LONG_BIT) != 0):
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if ((l & CUSTOM_BIT) != 0):
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return 'Custom'
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return "ms" + str(l & (~ MS_LONG_BIT))
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else:
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return str(l)
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# test
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if __name__ == '__main__':
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r = constructRandom('12345')
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print(r.randint(0, 100))
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print(r.random())
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print(type(r))
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