%% Copyright (c) 2019-2020, Sergei Semichev <chessvegas@chessvegas.com>. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%%    http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.

%%%------------------------------------------------------------------------------
%%%   Magic shift
%%%------------------------------------------------------------------------------

-define(MAGIC_BISHOP_SHIFT, {
	58, 59, 59, 59, 59, 59, 59, 58,
	59, 59, 59, 59, 59, 59, 59, 59,
	59, 59, 57, 57, 57, 57, 59, 59,
	59, 59, 57, 55, 55, 57, 59, 59,
	59, 59, 57, 55, 55, 57, 59, 59,
	59, 59, 57, 57, 57, 57, 59, 59,
	59, 59, 59, 59, 59, 59, 59, 59,
	58, 59, 59, 59, 59, 59, 59, 58
}).

-define(MAGIC_ROOK_SHIFT, {
	52, 53, 53, 53, 53, 53, 53, 52,
	53, 54, 54, 54, 54, 54, 54, 53,
	53, 54, 54, 54, 54, 54, 54, 53,
	53, 54, 54, 54, 54, 54, 54, 53,
	53, 54, 54, 54, 54, 54, 54, 53,
	53, 54, 54, 54, 54, 54, 54, 53,
	53, 54, 54, 54, 54, 54, 54, 53,
	52, 53, 53, 53, 53, 53, 53, 52
}).

%%%------------------------------------------------------------------------------
%%%   Magic numbers
%%%------------------------------------------------------------------------------
%%
%% Magic numbers for bishop and rook were copy-pasted from
%% Crafty source code ('data.c' file).

-define(MAGIC_BISHOP_NUMBER, {
16#0002020202020200, 16#0002020202020000, 16#0004010202000000,
16#0004040080000000, 16#0001104000000000, 16#0000821040000000,
16#0000410410400000, 16#0000104104104000, 16#0000040404040400,
16#0000020202020200, 16#0000040102020000, 16#0000040400800000,
16#0000011040000000, 16#0000008210400000, 16#0000004104104000,
16#0000002082082000, 16#0004000808080800, 16#0002000404040400,
16#0001000202020200, 16#0000800802004000, 16#0000800400A00000,
16#0000200100884000, 16#0000400082082000, 16#0000200041041000,
16#0002080010101000, 16#0001040008080800, 16#0000208004010400,
16#0000404004010200, 16#0000840000802000, 16#0000404002011000,
16#0000808001041000, 16#0000404000820800, 16#0001041000202000,
16#0000820800101000, 16#0000104400080800, 16#0000020080080080,
16#0000404040040100, 16#0000808100020100, 16#0001010100020800,
16#0000808080010400, 16#0000820820004000, 16#0000410410002000,
16#0000082088001000, 16#0000002011000800, 16#0000080100400400,
16#0001010101000200, 16#0002020202000400, 16#0001010101000200,
16#0000410410400000, 16#0000208208200000, 16#0000002084100000,
16#0000000020880000, 16#0000001002020000, 16#0000040408020000,
16#0004040404040000, 16#0002020202020000, 16#0000104104104000,
16#0000002082082000, 16#0000000020841000, 16#0000000000208800,
16#0000000010020200, 16#0000000404080200, 16#0000040404040400,
16#0002020202020200
}).

-define(MAGIC_ROOK_NUMBER, {
16#0080001020400080, 16#0040001000200040, 16#0080081000200080,
16#0080040800100080, 16#0080020400080080, 16#0080010200040080,
16#0080008001000200, 16#0080002040800100, 16#0000800020400080,
16#0000400020005000, 16#0000801000200080, 16#0000800800100080,
16#0000800400080080, 16#0000800200040080, 16#0000800100020080,
16#0000800040800100, 16#0000208000400080, 16#0000404000201000,
16#0000808010002000, 16#0000808008001000, 16#0000808004000800,
16#0000808002000400, 16#0000010100020004, 16#0000020000408104,
16#0000208080004000, 16#0000200040005000, 16#0000100080200080,
16#0000080080100080, 16#0000040080080080, 16#0000020080040080,
16#0000010080800200, 16#0000800080004100, 16#0000204000800080,
16#0000200040401000, 16#0000100080802000, 16#0000080080801000,
16#0000040080800800, 16#0000020080800400, 16#0000020001010004,
16#0000800040800100, 16#0000204000808000, 16#0000200040008080,
16#0000100020008080, 16#0000080010008080, 16#0000040008008080,
16#0000020004008080, 16#0000010002008080, 16#0000004081020004,
16#0000204000800080, 16#0000200040008080, 16#0000100020008080,
16#0000080010008080, 16#0000040008008080, 16#0000020004008080,
16#0000800100020080, 16#0000800041000080, 16#00FFFCDDFCED714A,
16#007FFCDDFCED714A, 16#003FFFCDFFD88096, 16#0000040810002101,
16#0001000204080011, 16#0001000204000801, 16#0001000082000401,
16#0001FFFAABFAD1A2
}).