static int CheckTwoSquares(GameBoard board, GameBoard.MinMax child_type, Colour player_colour, int x, int y,
int a, int b, int c, int d, int moves)
{
//check boundary of array
if (a >= 0 && a <= 3 && b >= 0 && b <= 3)
{
//check adjacent square is empty
if (board.ReturnPosition(a, b).stones == 0 || board.ReturnPosition(a, b).colour == player_colour)
{
if (c >= 0 && c <= 3 && d >= 0 && d <= 3)
{
if (board.ReturnPosition(c, d).stones == 0 || board.ReturnPosition(c, d).colour == player_colour)
{
//new child
GameBoard child = new GameBoard(child_type, board);
int stones = child.ReturnPosition(x, y).stones;
child.SetStones(x, y, 0, player_colour);
int original_stones = child.ReturnPosition(a, b).stones;
child.SetStones(a, b, original_stones + 1, player_colour); //first square
stones--; //one stone moved into a,b
original_stones = child.ReturnPosition(c, d).stones; //rest of stones moved into c,d
child.SetStones(c, d, stones + original_stones, player_colour); //second square
//add child to parent
board.AddChildren(child);
//displayBoard(child);
moves++;
}else
{
moves = CheckAdjacentMove(board, child_type, player_colour, x, y, a, b, moves);
}
}
else
{
moves = CheckAdjacentMove(board, child_type, player_colour, x, y, a, b, moves);
}
}else
{
moves = CheckAdjacentMove(board, child_type, player_colour, x, y, a, b, moves);
}
}
return moves;
}
static int CheckAdjacentMove(GameBoard board, GameBoard.MinMax child_type, Colour player_colour, int x, int y, int a, int b,
int moves)
{
//check boundary of array
if (a >= 0 && a <= 3 && b >= 0 && b <= 3)
{
//check adjacent square is empty
if (board.ReturnPosition(a, b).stones == 0 || board.ReturnPosition(a, b).colour == player_colour)
{
//new child
GameBoard child = new GameBoard(child_type, board);
int stones = child.ReturnPosition(x, y).stones;
child.SetStones(x, y, 0, player_colour);
int original_stones = child.ReturnPosition(a, b).stones; //adjacent square
child.SetStones(a, b, stones+original_stones, player_colour);
//add child to parent
board.AddChildren(child);
//displayBoard(child);
moves++;
}
}
return moves;
}