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doudizhu engine

Project description

Copyright (c) 2018 Larry He

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Description-Content-Type: UNKNOWN
Description: # 斗地主引擎
[![Build Status](https://travis-ci.org/onestraw/doudizhu.svg)](https://travis-ci.org/onestraw/doudizhu)
[![Supported Python versions](https://img.shields.io/badge/Python-2%2C%203-green.svg)](https://pypi.org/project/doudizhu/)
[![PyPI Version](https://img.shields.io/badge/PyPI-0.1.5-orange.svg)](https://pypi.org/project/doudizhu/)

通过枚举37种细分牌型,制作一个花色无关、顺序无关的字典,字典规模大小是`34152`,能够在O(1)时间内判断出牌是否有效、比较大小。

基于组合数学,设计思路见[详细文档](docs/engine.md)

## Keep in mind
- 扑克出牌是54张牌的组合,牌型和排列顺序无关
- 在斗地主游戏中,牌型及大小和花色无关
- 两个王不算对子
- 同一手牌,可以作为不同牌型,如`3-3-3-3-2-2-2-2`和`3-3-3-4-4-4-5-5-5-6-6-6`

## 扑克的表示
### 15种点数

'3', '4', '5', '6', '7', '8', '9', '10', 'J', 'Q', 'K', 'A', '2', 'BJ', 'CJ'

- BJ: Black Joker 小王/花/鬼
- CJ: Colored Joker 大王/花/鬼

### 4种花色

's': spades 黑桃 ♠
'h': hearts 红心 ❤
'd': diamonds 方块 ♦
'c': clubs 梅花 ♣

### 举例

'2c': 单张[ 2 ♣ ]
'2h-2s-2d-2c-BJ-CJ': 四个2带两王[ 2 ❤ ] , [ 2 ♠ ] , [ 2 ♦ ] , [ 2 ♣ ] , [ BJ ] , [ CJ ]
'3c-4d-5h-6s-7s-8h-9h': 顺子[ 3 ♣ ] , [ 4 ♦ ] , [ 5 ❤ ] , [ 6 ♠ ] , [ 7 ♠ ] , [ 8 ❤ ] , [ 9 ❤ ]

## Quickstart
### Installing

`pip install doudizhu`

### 开始一局游戏
```python
>>> from doudizhu import Card, new_game
>>> cards_groups = new_game()
>>>
>>> cards_groups
[[44, 28, 27, 43, 42, 72, 39, 38, 37, 69, 132, 131, 19, 34, 66, 65, 33], [14, 75, 139, 138, 26, 25, 137, 23, 71, 135, 134, 20, 67, 130, 17, 16, 128], [13, 140, 76, 74, 41, 24, 22, 70, 133, 21, 68, 36, 35, 18, 129, 64, 32], [73, 40, 136]]
>>> for cards_group in cards_groups:
... Card.print_pretty_cards(cards_group)
...
[ 2 ❤ ] , [ 2 ♠ ] , [ A ♠ ] , [ A ❤ ] , [ K ❤ ] , [ J ♦ ] , [ 10 ❤ ] , [ 9 ❤ ] , [ 8 ❤ ] , [ 8 ♦ ] , [ 7 ♣ ] , [ 6 ♣ ] , [ 6 ♠ ] , [ 5 ❤ ] , [ 5 ♦ ] , [ 4 ♦ ] , [ 4 ❤ ]
[ CJ ] , [ A ♦ ] , [ A ♣ ] , [ K ♣ ] , [ K ♠ ] , [ Q ♠ ] , [ Q ♣ ] , [ 10 ♠ ] , [ 10 ♦ ] , [ 10 ♣ ] , [ 9 ♣ ] , [ 7 ♠ ] , [ 6 ♦ ] , [ 5 ♣ ] , [ 4 ♠ ] , [ 3 ♠ ] , [ 3 ♣ ]
[ BJ ] , [ 2 ♣ ] , [ 2 ♦ ] , [ K ♦ ] , [ Q ❤ ] , [ J ♠ ] , [ 9 ♠ ] , [ 9 ♦ ] , [ 8 ♣ ] , [ 8 ♠ ] , [ 7 ♦ ] , [ 7 ❤ ] , [ 6 ❤ ] , [ 5 ♠ ] , [ 4 ♣ ] , [ 3 ♦ ] , [ 3 ❤ ]
[ Q ♦ ] , [ J ❤ ] , [ J ♣ ]
```

### 检查牌型
```python
>>> from doudizhu import Card, check_card_type
>>> test_chain = Card.card_ints_from_string('3c-4d-5h-6s-7s-8h')
>>> test_four_two = Card.card_ints_from_string('2c-2d-2h-2s-BJ-CJ')
>>>
>>> check_card_type(test_four_two)
(True, [('four_two_solo', 13)])
>>> check_card_type(test_chain)
(True, [('solo_chain_6', 0)])
>>> check_card_type(test_chain[:4])
(False, ValueError('invalid card type',))
```

### 比较大小
```python
>>> from doudizhu import Card, cards_greater
>>> chain = Card.card_ints_from_string('3c-4d-5h-6s-7s-8h-9h')
>>> bomb = Card.card_ints_from_string('8h-8s-8d-8c')
>>> rocket = Card.card_ints_from_string('BJ-CJ')
>>>
>>> cards_greater(chain, chain)
(False, 'solo_chain_7')
>>> cards_greater(chain[:6], chain[1:7])
(False, 'solo_chain_6')
>>>
>>> cards_greater(chain[1:7], chain[:6])
(True, 'solo_chain_6')
>>> cards_greater(bomb, chain)
(True, 'bomb')
>>> cards_greater(rocket, bomb)
(True, 'rocket')
```

### 牌型提示
```python
>>> from doudizhu import Card, list_greater_cards
>>> def PrettyPrint(cards_gt):
... for card_type, cards_list in cards_gt.iteritems():
... print 'card type: {}'.format(card_type)
... for card_int in cards_list:
... Card.print_pretty_cards(list(card_int))
...
>>> cards_candidate = Card.card_ints_from_string('CJ-Ah-As-Ac-Kh-Qs-Jc-10h-10s-10c-10d-9h-7c-7d-5c-5s')
>>> cards_two = Card.card_ints_from_string('Jh-Jc')
>>> cards_chain_solo = Card.card_ints_from_string('5h-6h-7s-8c-9d')
>>> cards_trio_two = Card.card_ints_from_string('6h-6s-6c-3d-3c')
>>>
>>> PrettyPrint(list_greater_cards(cards_two, cards_candidate))
card type: pair
[ A ♠ ] , [ A ❤ ]
card type: bomb
[ 10 ♦ ] , [ 10 ♠ ] , [ 10 ♣ ] , [ 10 ❤ ]
>>>
>>> PrettyPrint(list_greater_cards(cards_chain_solo, cards_candidate))
card type: solo_chain_5
[ K ❤ ] , [ Q ♠ ] , [ J ♣ ] , [ 10 ❤ ] , [ 9 ❤ ]
[ A ❤ ] , [ K ❤ ] , [ Q ♠ ] , [ J ♣ ] , [ 10 ❤ ]
card type: bomb
[ 10 ♦ ] , [ 10 ♠ ] , [ 10 ♣ ] , [ 10 ❤ ]
>>>
>>> PrettyPrint(list_greater_cards(cards_trio_two, cards_candidate))
card type: trio_pair
[ A ♠ ] , [ A ❤ ] , [ 10 ♠ ] , [ 10 ♣ ] , [ 10 ❤ ]
[ 10 ♠ ] , [ 10 ♣ ] , [ 10 ❤ ] , [ 5 ♠ ] , [ 5 ♣ ]
[ 10 ♠ ] , [ 10 ♣ ] , [ 10 ❤ ] , [ 7 ♦ ] , [ 7 ♣ ]
[ A ♠ ] , [ A ❤ ] , [ A ♣ ] , [ 10 ♠ ] , [ 10 ❤ ]
[ A ♠ ] , [ A ❤ ] , [ A ♣ ] , [ 5 ♠ ] , [ 5 ♣ ]
[ A ♠ ] , [ A ❤ ] , [ A ♣ ] , [ 7 ♦ ] , [ 7 ♣ ]
card type: bomb
[ 10 ♦ ] , [ 10 ♠ ] , [ 10 ♣ ] , [ 10 ❤ ]
```

Platform: UNKNOWN
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: MIT License
Classifier: Operating System :: MacOS :: MacOS X
Classifier: Operating System :: Microsoft :: Windows
Classifier: Operating System :: POSIX
Classifier: Programming Language :: Python :: 2
Classifier: Programming Language :: Python :: 3
Classifier: Topic :: Software Development :: Libraries :: Python Modules
Classifier: Programming Language :: Python :: Implementation :: PyPy
Classifier: Programming Language :: Python :: Implementation :: CPython

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