-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathchess.py
More file actions
330 lines (326 loc) · 12.8 KB
/
Copy pathchess.py
File metadata and controls
330 lines (326 loc) · 12.8 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
from copy import deepcopy
from errors import *
class square:
__s_rank: str
__s_file: int
s_piece: int
def __init__(self, r: int, f: int):
self.s_rank=r
self.s_file=f
self.s_piece = 0
class board:
board_state: square = []
turn: int
kingside_castling_white : bool = False
queenside_castling_white : bool = False
kingside_castling_black : bool = False
queenside_castling_black: bool = False
def __init__(self, fen: str = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"):
fen = fen.split()
rank_number=7
file_number = 0
rank=[]
for c in fen[0]:
if c == '/':
self.board_state.insert(0, deepcopy(rank))
rank.clear()
rank_number -= 1
file_number = 0
elif c.isnumeric():
p=square(rank_number, file_number)
for i in range(int(c)):
rank.append(p)
file_number += 1
elif c == 'P':
p=pawn(self, rank_number, file_number, 1)
rank.append(p)
file_number += 1
elif c == 'p':
p=pawn(self, rank_number, file_number, 0)
rank.append(p)
file_number += 1
elif c == 'N':
p=knight(self, rank_number, file_number, 1)
rank.append(p)
file_number += 1
elif c == 'n':
p=knight(self, rank_number, file_number, 0)
rank.append(p)
file_number += 1
elif c == 'B':
p=bishop(self, rank_number, file_number, 1)
rank.append(p)
file_number += 1
elif c == 'b':
p=bishop(self, rank_number, file_number, 0)
rank.append(p)
file_number += 1
elif c == 'R':
p=rook(self, rank_number, file_number, 1)
rank.append(p)
file_number += 1
elif c == 'r':
p=rook(self, rank_number, file_number, 0)
rank.append(p)
file_number += 1
elif c == 'Q':
p=queen(self, rank_number, file_number, 1)
rank.append(p)
file_number += 1
elif c == 'q':
p=queen(self, rank_number, file_number, 0)
rank.append(p)
file_number += 1
elif c == 'K':
p=king(self, rank_number, file_number, 1)
rank.append(p)
file_number += 1
elif c == 'k':
p=king(self, rank_number, file_number, 0)
rank.append(p)
file_number += 1
self.board_state.insert(0, deepcopy(rank))
self.turn = (int(fen[5]) - 1) *2 +1
if fen[1] == 'b':
self.turn += 1
class piece(square):
__s_board: board
__s_rank: str
__s_file: int
s_piece: int=-1
s_color: int #1 for white, 0 for black
def __init__(self, b: board, r: int, f: int, c: int):
super().__init__(r, f)
self.s_board = b
self.s_piece = 0
self.s_color = c
def move(self, t_rank,t_file):
if self.s_board.board_state[t_rank][t_file].s_piece != 0:
if self.s_board.board_state[t_rank][t_file].s_color == self.s_color:
raise SelfCapture()
self.s_board.board_state[self.s_rank][self.s_file] = square(self.s_rank, self.s_file)
self.s_file=t_file
self.s_rank=t_rank
self.s_board.board_state[t_rank][t_file]=self
class pawn(piece):
__s_board: board
__s_rank: str
__s_file: int
s_piece: int
s_color: int
def __init__(self, b: board, r: int, f: int, c: int):
super().__init__(b, r, f, c)
self.s_piece = 1
def move(self, t_rank,t_file):
if self.s_color == 1:
if self.s_file == t_file and t_rank - self.s_rank == 1:
if self.s_board.board_state[t_rank][t_file].s_piece == 0:
super().move(t_rank, t_file)
else:
raise PawnIllegalMove
elif self.s_file == t_file and t_rank - self.s_rank == 2:
if self.s_board.board_state[t_rank][t_file].s_piece == 0 and self.s_rank == 1:
if self.s_board.board_state[2][t_file].s_piece == 0:
super().move(t_rank, t_file)
else:
raise PawnIllegalMove
else:
raise PawnIllegalMove
elif abs(t_file - self.s_file) == 1 and t_rank - self.s_rank == 1:
if self.s_board.board_state[t_rank][t_file].s_piece != 0:
super().move(t_rank, t_file)
else:
raise PawnIllegalMove
else:
raise PawnIllegalMove
else:
if self.s_file == t_file and t_rank - self.s_rank == -1:
if self.s_board.board_state[t_rank][t_file].s_piece == 0:
super().move(t_rank, t_file)
else:
raise PawnIllegalMove
elif self.s_file == t_file and t_rank - self.s_rank == -2:
if self.s_board.board_state[t_rank][t_file].s_piece == 0 and self.s_rank == 6:
if self.s_board.board_state[5][t_file].s_piece == 0:
super().move(t_rank, t_file)
else:
raise PawnIllegalMove
else:
raise PawnIllegalMove
elif abs(t_file - self.s_file) == 1 and t_rank - self.s_rank == -1:
if self.s_board.board_state[t_rank][t_file].s_piece != 0:
super().move(t_rank, t_file)
else:
raise PawnIllegalMove
else:
raise PawnIllegalMove
class knight(piece):
__s_board: board
__s_rank: str
__s_file: int
s_piece: int
s_color: int
def __init__(self, b: board, r: int, f: int, c: int):
super().__init__(b, r, f, c)
self.s_piece = 2
def move(self, t_rank,t_file):
if abs(self.s_rank - t_rank) == 2 and abs(self.s_file - t_file) == 1:
super().move(t_rank, t_file)
elif abs(self.s_rank - t_rank) == 1 and abs(self.s_file - t_file) == 2:
super().move(t_rank, t_file)
else:
raise KnightIllegalMove
class bishop(piece):
__s_board: board
__s_rank: str
s_color: int
s_piece: int
__s_file: int
def __init__(self, b: board, r: int, f: int, c: int):
super().__init__(b, r, f, c)
self.s_piece = 3
def move(self, t_rank,t_file):
if self.s_rank - t_rank == self.s_file - t_file:
if self.s_rank < t_rank:
for i in range(1, abs(self.s_rank - t_rank)):
if self.s_board.board_state[self.s_rank+i][self.s_file+i].s_piece != 0:
raise BishopIllegalMove
else:
super().move(t_rank, t_file)
else:
for i in range(1, self.s_rank - t_rank):
if self.s_board.board_state[self.s_rank-i][self.s_file-i].s_piece != 0:
raise BishopIllegalMove
else:
super().move(t_rank, t_file)
elif self.s_rank - t_rank == -( self.s_file - t_file):
if self.s_rank < t_rank:
for i in range(1, abs(self.s_rank - t_rank)):
if self.s_board.board_state[self.s_rank+i][self.s_file-i].s_piece != 0:
raise BishopIllegalMove
else:
super().move(t_rank, t_file)
else:
for i in range(1, self.s_rank - t_rank):
if self.s_board.board_state[self.s_rank-i][self.s_file+i].s_piece != 0:
raise BishopIllegalMove
else:
super().move(t_rank, t_file)
else:
raise BishopIllegalMove
class rook(piece):
__s_board: board
__s_rank: str
__s_file: int
s_piece: int
s_color: int
def __init__(self, b: board, r: int, f: int, c: int):
super().__init__(b, r, f, c)
self.s_piece = 4
def move(self, t_rank,t_file):
if self.s_rank == t_rank:
if self.s_file > t_file:
for i in range(t_file+1, self.s_file):
if self.s_board.board_state[t_rank][i].s_piece != 0:
raise RookIllegalMove
else:
super().move(t_rank, t_file)
else:
for i in range(self.s_file+1, t_file):
if self.s_board.board_state[t_rank][i].s_piece != 0:
raise RookIllegalMove
else:
super().move(t_rank, t_file)
elif self.s_file == t_file:
if self.s_rank > t_rank:
for i in range(t_rank+1, self.s_rank):
if self.s_board.board_state[i][t_file].s_piece != 0:
raise RookIllegalMove
else:
super().move(t_rank, t_file)
else:
for i in range(self.s_rank+1, t_rank):
if self.s_board.board_state[i][t_file].s_piece != 0:
raise RookIllegalMove
else:
super().move(t_rank, t_file)
else:
raise RookIllegalMove
class queen(piece):
__s_board: board
__s_rank: str
__s_file: int
s_piece: int
s_color: int
def __init__(self, b: board, r: int, f: int, c: int):
super().__init__(b, r, f, c)
self.s_piece = 5
def move(self, t_rank,t_file):
if self.s_rank == t_rank:
if self.s_file > t_file:
for i in range(t_file+1, self.s_file):
if self.s_board.board_state[t_rank][i].s_piece != 0:
raise QueenIllegalMove
else:
super().move(t_rank, t_file)
else:
for i in range(self.s_file+1, t_file):
if self.s_board.board_state[t_rank][i].s_piece != 0:
raise QueenIllegalMove
else:
super().move(t_rank, t_file)
elif self.s_file == t_file:
if self.s_rank > t_rank:
for i in range(t_rank+1, self.s_rank):
if self.s_board.board_state[i][t_file].s_piece != 0:
raise QueenIllegalMove
else:
super().move(t_rank, t_file)
else:
for i in range(self.s_rank+1, t_rank):
if self.s_board.board_state[i][t_file].s_piece != 0:
raise QueenIllegalMove
else:
super().move(t_rank, t_file)
elif self.s_rank - t_rank == self.s_file - t_file:
if self.s_rank < t_rank:
for i in range(1, abs(self.s_rank - t_rank)):
if self.s_board.board_state[self.s_rank+i][self.s_file+i].s_piece != 0:
raise QueenIllegalMove
else:
super().move(t_rank, t_file)
else:
for i in range(1, self.s_rank - t_rank):
if self.s_board.board_state[self.s_rank-i][self.s_file-i].s_piece != 0:
raise QueenIllegalMove
else:
super().move(t_rank, t_file)
elif self.s_rank - t_rank == -( self.s_file - t_file):
if self.s_rank < t_rank:
for i in range(1, abs(self.s_rank - t_rank)):
if self.s_board.board_state[self.s_rank+i][self.s_file-i].s_piece != 0:
raise QueenIllegalMove
else:
super().move(t_rank, t_file)
else:
for i in range(1, self.s_rank - t_rank):
if self.s_board.board_state[self.s_rank-i][self.s_file+i].s_piece != 0:
raise QueenIllegalMove
else:
super().move(t_rank, t_file)
else:
raise QueenIllegalMove
class king(piece):
__s_board: board
__s_rank: str
__s_file: int
s_piece: int
s_color: int
def __init__(self, b: board, r: int, f: int, c: int):
super().__init__(b, r, f, c)
self.s_piece = 6
def move(self, t_rank, t_file):
if abs(self.s_rank - t_rank) <= 1 and abs(self.s_file- t_file) <= 1:
super().move(t_rank, t_file)
else:
raise KingIllegalMove