src/common.h

   1 /* PurpleHaze 2.0.0
   2  * Copyright (C) 2007-2011  Vincent Ollivier
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #ifndef COMMON_H
  19 #define COMMON_H
  20
  21 #include <list>
  22 #include <vector>
  23
  24 #define BOARD_SIZE    128
  25 #define MAX_DEPTH     128
  26 #define INF         29999
  27
  28 enum Square : unsigned char {
  29     A1=0x00, B1, C1, D1, E1, F1, G1, H1,
  30     A2=0x10, B2, C2, D2, E2, F2, G2, H2,
  31     A3=0x20, B3, C3, D3, E3, F3, G3, H3,
  32     A4=0x30, B4, C4, D4, E4, F4, G4, H4,
  33     A5=0x40, B5, C5, D5, E5, F5, G5, H5,
  34     A6=0x50, B6, C6, D6, E6, F6, G6, H6,
  35     A7=0x60, B7, C7, D7, E7, F7, G7, H7,
  36     A8=0x70, B8, C8, D8, E8, F8, G8, H8,
  37     OUT
  38 };
  39
  40 enum File : unsigned char {
  41     FILE_A,
  42     FILE_B,
  43     FILE_C,
  44     FILE_D,
  45     FILE_E,
  46     FILE_F,
  47     FILE_G,
  48     FILE_H
  49 };
  50
  51 enum Rank : unsigned char {
  52     RANK_1,
  53     RANK_2,
  54     RANK_3,
  55     RANK_4,
  56     RANK_5,
  57     RANK_6,
  58     RANK_7,
  59     RANK_8
  60 };
  61
  62 enum Direction {
  63         NO_DIR              = 0,
  64         UP                  = 0x10,
  65         RIGHT               = 0x01,
  66         DOWN                = -UP,
  67         LEFT                = -RIGHT,
  68         UP_RIGHT            = UP + RIGHT,
  69         DOWN_RIGHT          = DOWN + RIGHT,
  70         DOWN_LEFT           = DOWN + LEFT,
  71         UP_LEFT             = UP + LEFT,
  72         UP_UP_RIGHT         = UP + UP_RIGHT,
  73         RIGHT_UP_RIGHT      = RIGHT + UP_RIGHT,
  74         RIGHT_DOWN_RIGHT    = RIGHT + DOWN_RIGHT,
  75         DOWN_DOWN_RIGHT     = DOWN + DOWN_RIGHT,
  76         DOWN_DOWN_LEFT      = DOWN + DOWN_LEFT,
  77         LEFT_DOWN_LEFT      = LEFT + DOWN_LEFT,
  78         LEFT_UP_LEFT        = LEFT + UP_LEFT,
  79         UP_UP_LEFT          = UP + UP_LEFT
  80 };
  81
  82 enum Color : bool {
  83     WHITE,
  84     BLACK
  85 };
  86
  87 enum PieceType : unsigned char {
  88     EMPTY,
  89     PAWN,
  90     KNIGHT,
  91     BISHOP,
  92     ROOK,
  93     QUEEN,
  94     KING
  95 };
  96
  97 enum MoveType : unsigned char {
  98     QUIET_MOVE,
  99     DOUBLE_PAWN_PUSH,
 100     KING_CASTLE,
 101     QUEEN_CASTLE,
 102     CAPTURE,
 103     EN_PASSANT,
 104     NULL_MOVE,              // warning: is_capture() will return true
 105     KNIGHT_PROMOTION = 8,   // is_promotion() { MoveType[3] }
 106     BISHOP_PROMOTION,
 107     ROOK_PROMOTION,
 108     QUEEN_PROMOTION,
 109     KNIGHT_PROMOTION_CAPTURE,
 110     BISHOP_PROMOTION_CAPTURE,
 111     ROOK_PROMOTION_CAPTURE,
 112     QUEEN_PROMOTION_CAPTURE
 113 };
 114
 115 // Used in movegen.cpp and attack.cpp
 116 const int NB_DIRS[] = { 0, 0, 8, 4, 4, 8, 8 };
 117 /*
 118 const Direction NO_DIRS[8] = {
 119     NO_DIR, NO_DIR, NO_DIR, NO_DIR, NO_DIR, NO_DIR, NO_DIR, NO_DIR
 120 };
 121 const Direction KNIGHT_DIRS[8] = {
 122     UP_UP_RIGHT, RIGHT_UP_RIGHT, RIGHT_DOWN_RIGHT, DOWN_DOWN_RIGHT,
 123     DOWN_DOWN_LEFT, LEFT_DOWN_LEFT, LEFT_UP_LEFT, UP_UP_LEFT
 124 };
 125 const Direction BISHOP_DIRS[8] = {
 126     UP_RIGHT, DOWN_RIGHT, DOWN_LEFT, UP_LEFT, NO_DIR, NO_DIR, NO_DIR, NO_DIR
 127 };
 128 const Direction ROOK_DIRS[8] = {
 129     UP, RIGHT, DOWN, LEFT, NO_DIR, NO_DIR, NO_DIR, NO_DIR
 130 };
 131 const Direction QUEEN_DIRS[8] = {
 132     UP, UP_RIGHT, RIGHT, DOWN_RIGHT, DOWN, DOWN_LEFT, LEFT, UP_LEFT
 133 };
 134 const Direction KING_DIRS[8] = {
 135     UP, UP_RIGHT, RIGHT, DOWN_RIGHT, DOWN, DOWN_LEFT, LEFT, UP_LEFT
 136 };
 137 */
 138 const Direction PIECES_DIRS[][8] = {
 139     {
 140         NO_DIR, NO_DIR, NO_DIR, NO_DIR, NO_DIR, NO_DIR, NO_DIR, NO_DIR
 141     },
 142     {
 143         NO_DIR, NO_DIR, NO_DIR, NO_DIR, NO_DIR, NO_DIR, NO_DIR, NO_DIR
 144     },
 145     {
 146         UP_UP_RIGHT, RIGHT_UP_RIGHT, RIGHT_DOWN_RIGHT, DOWN_DOWN_RIGHT,
 147         DOWN_DOWN_LEFT, LEFT_DOWN_LEFT, LEFT_UP_LEFT, UP_UP_LEFT
 148     },
 149     {
 150         UP_RIGHT, DOWN_RIGHT, DOWN_LEFT, UP_LEFT,
 151         NO_DIR, NO_DIR, NO_DIR, NO_DIR
 152     },
 153     {
 154         UP, RIGHT, DOWN, LEFT, NO_DIR, NO_DIR, NO_DIR, NO_DIR
 155     },
 156     {
 157         UP, UP_RIGHT, RIGHT, DOWN_RIGHT, DOWN, DOWN_LEFT, LEFT, UP_LEFT
 158     },
 159     {
 160         UP, UP_RIGHT, RIGHT, DOWN_RIGHT, DOWN, DOWN_LEFT, LEFT, UP_LEFT
 161     }
 162 };
 163
 164 // Used in movegen.cpp and protocol.cpp
 165 const Direction PAWN_PUSH_DIRS[2] = { UP, DOWN };
 166 const Direction PAWN_CAPTURE_DIRS[2][2] = {
 167     {UP_LEFT, UP_RIGHT},
 168     {DOWN_LEFT, DOWN_RIGHT}
 169 };
 170
 171 #define assert_msg(x) !(std::cerr << "Assertion failed: " << x << std::endl)
 172
 173 #endif /* !COMMON_H */