131 lines
4.0 KiB
Python
131 lines
4.0 KiB
Python
import json
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from enum import Enum
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from typing import List, Optional
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BASE62 = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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COLORS = 'rygbp'
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## Helper method, iterate over chunks of length n in a string
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def chunks(s: str, n: int):
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for i in range(0, len(s), n):
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yield s[i:i+n]
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class DeckCard():
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def __init__(self, suitIndex: int, rank: int):
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self.suitIndex: int = suitIndex
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self.rank: int = rank
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def __eq__(self, other):
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return self.suitIndex == other.suitIndex and self.rank == other.rank
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def __repr__(self):
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return COLORS[self.suitIndex] + str(self.rank)
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class ActionType(Enum):
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Play = 0
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Discard = 1
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ColorClue = 2
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RankClue = 3
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EndGame = 4
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class Action():
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def __init__(self, type_: ActionType, target: int, value: Optional[int] = None):
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self.type = type_
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self.target = target
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self.value = value
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def __repr__(self):
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match self.type:
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case ActionType.Play:
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return "Play card {}".format(self.target)
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case ActionType.Discard:
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return "Discard card {}".format(self.target)
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case ActionType.ColorClue:
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return "Clue color {} to player {}".format(self.value, self.target)
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case ActionType.ColorClue:
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return "Clue rank {} to player {}".format(self.value, self.target)
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case ActionType.EndGame:
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return "Player {} ends the game (code {})".format(self.target, self.value)
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def compress_actions(actions: List[Action]) -> str:
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minType = 0
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maxType = 0
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if len(actions) != 0:
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minType = min(map(lambda a: a.type.value, actions))
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maxType = max(map(lambda a: a.type.value, actions))
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typeRange = maxType - minType + 1
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def compress_action(action):
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value = 0 if action.value is None else action.value
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a = BASE62[typeRange * value + (action.type.value - minType)]
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b = BASE62[action.target]
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return a + b
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out = str(minType) + str(maxType)
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out += ''.join(map(compress_action, actions))
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return out
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def decompress_actions(actions_str: str) -> List[Action]:
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try:
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minType = int(actions_str[0])
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maxType = int(actions_str[1])
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except ValueError:
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raise ValueError("invalid action string")
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assert(maxType >= minType)
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typeRange = maxType - minType + 1
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def decompress_action(action):
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actionType = ActionType(BASE62.index(action[0]) % typeRange)
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value = None
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if actionType not in [actionType.Play, actionType.Discard]:
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value = BASE62.index(action[0]) // typeRange
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target = BASE62.index(action[1])
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return Action(actionType, target, value)
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return [decompress_action(a) for a in chunks(actions_str[2:], 2)]
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def compress_deck(deck: List[DeckCard]) -> str:
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assert(len(deck) != 0)
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minRank = min(map(lambda c: c.rank, deck))
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maxRank = max(map(lambda c: c.rank, deck))
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rankRange = maxRank - minRank + 1
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def compress_card(card):
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return BASE62[rankRange * card.suitIndex + (card.rank - minRank)]
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out = str(minRank) + str(maxRank)
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out += ''.join(map(compress_card, deck))
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return out
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def decompress_deck(deck_str: str) -> List[DeckCard]:
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assert(len(deck_str) >= 2)
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minRank = int(deck_str[0])
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maxRank = int(deck_str[1])
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assert(maxRank >= minRank)
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rankRange = maxRank - minRank + 1
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def decompress_card(card_char):
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index = BASE62.index(card_char)
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suitIndex = index // rankRange
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rank = index % rankRange + minRank
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return DeckCard(suitIndex, rank)
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return [decompress_card(c) for c in deck_str[2:]]
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## test
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deck = [DeckCard(0,1), DeckCard(2,4), DeckCard(4,5)]
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c = compress_deck(deck)
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l = decompress_deck(c)
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print(deck, l)
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f = [Action(ActionType.Discard, 2), Action(ActionType.Play, 3, 8)]
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a = compress_actions(f)
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x = decompress_actions(a)
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print(a)
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print(x)
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c = '15ywseiijdqgholmnxcqrrxpvppvuukdkacakauswlmntfffbbgh'
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l = decompress_deck(c)
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print(l)
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