Constants.h

/* 
 * File:   Constants.h
 * Author: pj
 *
 * Created on January 7, 2013, 2:07 AM
 */

#ifndef CONSTANTS_H
#define	CONSTANTS_H

#include "Common.h"

// PIECES

const U8 EMPTY = 0;

const U8 WHITE = 0;
const U8 BLACK = 1;

const U8 PAWN = 2;
const U8 KNIGHT = 4;
const U8 ROOK = 6;
const U8 BISHOP = 8;
const U8 QUEEN = 10;
const U8 KING = 12;

const U8 WHITE_PAWN = 2;
const U8 BLACK_PAWN = 3;
const U8 WHITE_KNIGHT = 4;
const U8 BLACK_KNIGHT = 5;
const U8 WHITE_ROOK   = 6;
const U8 BLACK_ROOK   = 7;
const U8 WHITE_BISHOP = 8;
const U8 BLACK_BISHOP = 9;
const U8 WHITE_QUEEN  = 10;
const U8 BLACK_QUEEN  = 11;
const U8 WHITE_KING   = 12;
const U8 BLACK_KING   = 13;

const string PIECE_CHARS = "_EPpNnRrBbQqKk";

// CASTLING RIGHTS

const U8 WHITE_KING_SIDE  = 1;
const U8 WHITE_QUEEN_SIDE = 2;
const U8 BLACK_KING_SIDE  = 4;
const U8 BLACK_QUEEN_SIDE = 8;
const U8 FULL_CASTLING_RIGHTS = 1 | 2 | 4 | 8;

// SQUARES

const int A1 =  0;
const int B1 =  1;
const int C1 =  2;
const int D1 =  3;
const int E1 =  4;
const int F1 =  5;
const int G1 =  6;
const int H1 =  7;

const int A2 =  8;
const int B2 =  9;
const int C2 = 10;
const int D2 = 11;
const int E2 = 12;
const int F2 = 13;
const int G2 = 14;
const int H2 = 15;

const int A3 = 16;
const int B3 = 17;
const int C3 = 18;
const int D3 = 19;
const int E3 = 20;
const int F3 = 21;
const int G3 = 22;
const int H3 = 23;

const int A4 = 24;
const int B4 = 25;
const int C4 = 26;
const int D4 = 27;
const int E4 = 28;
const int F4 = 29;
const int G4 = 30;
const int H4 = 31;

const int A5 = 32;
const int B5 = 33;
const int C5 = 34; 
const int D5 = 35; 
const int E5 = 36;
const int F5 = 37;
const int G5 = 38;
const int H5 = 39;

const int A6 = 40;
const int B6 = 41;
const int C6 = 42;
const int D6 = 43;
const int E6 = 44;
const int F6 = 45;
const int G6 = 46;
const int H6 = 47;

const int A7 = 48;
const int B7 = 49;
const int C7 = 50;
const int D7 = 51;
const int E7 = 52;
const int F7 = 53;
const int G7 = 54;
const int H7 = 55;

const int A8 = 56;
const int B8 = 57;
const int C8 = 58;
const int D8 = 59;
const int E8 = 60;
const int F8 = 61;
const int G8 = 62;
const int H8 = 63;

const int NULL_SQUARE = 64;

// BITBOARD FILES

const U64 FILE_A = 0x0101010101010101ULL << 0;
const U64 FILE_B = 0x0101010101010101ULL << 1;
const U64 FILE_C = 0x0101010101010101ULL << 2;
const U64 FILE_D = 0x0101010101010101ULL << 3;
const U64 FILE_E = 0x0101010101010101ULL << 4;
const U64 FILE_F = 0x0101010101010101ULL << 5;
const U64 FILE_G = 0x0101010101010101ULL << 6;
const U64 FILE_H = 0x0101010101010101ULL << 7;

// BITBOARD ROWS

const U64 ROW_1 = 0xFFULL << (0*8);
const U64 ROW_2 = 0xFFULL << (1*8);
const U64 ROW_3 = 0xFFULL << (2*8);
const U64 ROW_4 = 0xFFULL << (3*8);
const U64 ROW_5 = 0xFFULL << (4*8);
const U64 ROW_6 = 0xFFULL << (5*8);
const U64 ROW_7 = 0xFFULL << (6*8);
const U64 ROW_8 = 0xFFULL << (7*8);

#endif	/* CONSTANTS_H */