113 lines
3.7 KiB
Python
113 lines
3.7 KiB
Python
# White Constants
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W_KIN, W_QUE, W_BIS, W_NHT, W_ROO, W_PAW = range(6)
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# Black Constans
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B_KIN, B_QUE, B_BIS, B_NHT, B_ROO, B_PAW = range(6,12)
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# Turn Constants
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WHITE, BLACK = 0, 1
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# Piece Constants
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KIN, QUE, BIS, NHT, ROO, PAW = range(6)
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# Square Constants
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A8, B8, C8, D8, E8, F8, G8, H8 = range(56, 64)
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A7, B7, C7, D7, E7, F7, G7, H7 = range(48, 56)
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A6, B6, C6, D6, E6, F6, G6, H6 = range(40, 48)
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A5, B5, C5, D5, E5, F5, G5, H5 = range(32, 40)
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A4, B4, C4, D4, E4, F4, G4, H4 = range(24, 32)
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A3, B3, C3, D3, E3, F3, G3, H3 = range(16, 24)
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A2, B2, C2, D2, E2, F2, G2, H2 = range(8, 16)
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A1, B1, C1, D1, E1, F1, G1, H1 = range(8)
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NOT_A_FILE = 0xfefefefefefefefe
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NOT_H_FILE = 0x7f7f7f7f7f7f7f7f
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FULL_MASK = 0xffffffffffffffff
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INDEX_TO_FIELD = [
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"a1", "b1", "c1", "d1", "e1", "f1", "g1", "h1",
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"a2", "b2", "c2", "d2", "e2", "f2", "g2", "h2",
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"a3", "b3", "c3", "d3", "e3", "f3", "g3", "h3",
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"a4", "b4", "c4", "d4", "e4", "f4", "g4", "h4",
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"a5", "b5", "c5", "d5", "e5", "f5", "g5", "h5",
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"a6", "b6", "c6", "d6", "e6", "f6", "g6", "h6",
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"a7", "b7", "c7", "d7", "e7", "f7", "g7", "h7",
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"a8", "b8", "c8", "d8", "e8", "f8", "g8", "h8",
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]
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''' Board Index:
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a b c d e f g h
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8 [56] [57] [58] [59] [60] [61] [62] [63]
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7 [48] [49] [50] [51] [52] [53] [54] [55]
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6 [40] [41] [42] [43] [44] [45] [46] [47]
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5 [32] [33] [34] [35] [36] [37] [38] [39]
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4 [24] [25] [26] [27] [28] [29] [30] [31]
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3 [16] [17] [18] [19] [20] [21] [22] [23]
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2 [08] [09] [10] [11] [12] [13] [14] [15]
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1 [00] [01] [02] [03] [03] [05] [06] [07]
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'''
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class bitboard():
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def __init__(self) -> None:
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# WHITE 0:King, 1:Queen, 2:Bishop, 3:Knight, 4:Rook, 5:Pawn
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# BLACK 6:King, 7:Queen, 8:Bishop, 9:Knight, 10:Rook, 11:Pawn
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self.bitboards = [0, 0, 0, 0, 0, 0, # List of All Bitboards
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0, 0, 0, 0, 0, 0]
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self.side_to_move = WHITE
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self.bitboards[W_KIN] = 1 << E1
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self.bitboards[W_QUE] = 1 << D1
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self.bitboards[W_BIS] = (1 << C1) | (1 << F1)
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self.bitboards[W_NHT] = (1 << B1) | (1 << G1)
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self.bitboards[W_ROO] = (1 << A1) | (1 << H1)
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self.bitboards[W_PAW] = 0xFF << 8
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self.bitboards[B_KIN] = 1 << E8
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self.bitboards[B_QUE] = 1 << D8
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self.bitboards[B_BIS] = (1 << C8) | (1 << F8)
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self.bitboards[B_NHT] = (1 << B8) | (1 << G8)
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self.bitboards[B_ROO] = (1 << A8) | (1 << H8)
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self.bitboards[B_PAW] = 0xFF << 48
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self.all_white = self.bitboards[W_KIN] | self.bitboards[W_QUE] | self.bitboards[W_BIS] | self.bitboards[W_NHT] | self.bitboards[W_ROO] | self.bitboards[W_PAW]
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self.all_black = self.bitboards[W_KIN] | self.bitboards[W_QUE] | self.bitboards[W_BIS] | self.bitboards[W_NHT] | self.bitboards[W_ROO] | self.bitboards[W_PAW]
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self.all_piece = self.all_white | self.all_black
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self.move_list = []
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def get_all_moves(self):
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turn_offset = self.side_to_move * 6
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move_list = []
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# King Moves
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king = self.bitboards[KIN]
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king_moves = 0
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king_moves |= king
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pass
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def make_move(self, move):
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# MOVE:
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# Aufbau:
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# Bit 0-5: Target (6 Bit, Index: 0-63)
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# Bit 6-11: Source (6 Bit, Index: 0-63)
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# Bit 12-15: Flags (4 Bit)
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# 0000: 0 Quiet 0100: 4 Capture 1000: 8 Promo NHT
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# 0001: 1 Double Pawn Push 0101: 5 En Passant 1001: 9 Promo BIS
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# 0010: 2 King Castle 0110: 1010: 10 Promo ROO
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# 0011: 3 Queen Castle 0111: 1011: 11 Promo QUE
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pass
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def encode_move():
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pass
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def decode_move():
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pass
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