void gen_move::generate_move(const board& b, int side, location_list& valid_moves) { location_list::location m ; for(m.y = 0 ; m.y < 8 ; m.y++) { for(m.x = 0 ; m.x < 8 ; m.x++) { if(b.get_at(m) == board::EMPTY && b.check_move_at(m, side)) { valid_moves.insert(m) ; } } } }
int evaluate::count_move(const board& b, int side) { int count = 0 ; location_list::location m ; for(m.y = 0 ; m.y < 8 ; m.y++) { for(m.x = 0 ; m.x < 8 ; m.x++) { if(b.get_at(m) == board::EMPTY && b.check_move_at(m, side)) { count++ ; } } } return count ; }
evaluate::score evaluate::corner(const board& b, int turn) { location_list::location m ; int count ; int c[4] ; int d ; int ch1, ch2 ; score s ; s = 0 ; count = 0 ; for(m.y = 0 ; m.y < 8 ; m.y+=7) { for(m.x = 0 ; m.x < 8 ; m.x+=7) { if((c[count] = b.get_at(m)) == side) { s += 20 ; } else if(c[count] == (side+1) % 2) { s -= 25 ; } else { ch1 = b.check_move_at(m, side) ; ch2 = b.check_move_at(m, (side+1)%2) ; if(ch1 && (turn == side || (!ch2))) { s += 20 ; } else if(ch2 && (turn != side || (!ch1))) { s -= 25 ; } c[count] = -1 ; } count++ ; } } if(c[0] == -1) { m.x = 1 ; m.y = 1 ; if((d = b.get_at(m)) == side) { s -= 25 ; } else if(d == (side + 1) % 2) { s += 20 ; } } if(c[1] == -1) { m.x = 1 ; m.y = 6 ; if((d = b.get_at(m)) == side) { s -= 25 ; } else if(d == (side + 1) % 2) { s += 20 ; } } if(c[2] == -1) { m.x = 6 ; m.y = 1 ; if((d = b.get_at(m)) == side) { s -= 25 ; } else if(d == (side + 1) % 2) { s += 20 ; } } if(c[3] == -1) { m.x = 6 ; m.y = 6 ; if((d = b.get_at(m)) == side) { s -= 25 ; } else if(d == (side + 1) % 2) { s += 20 ; } } return s ; }