} //end of main
//turns
static bool Move_WPawn(square start_sq, square end_sq, int start_ind, int end_ind)//works except at taking edges
{
bool success = true;
if ((start_ind - 8 == end_ind) && end_sq.IsEmpty())
{
}
else if (((start_ind - 9 == end_ind) || (start_ind - 7 == end_ind)) && end_sq.IsBlack())
{
} //taking pieces
else
{
return(false);
}
start_sq.State = "__";
end_sq.State = "WP";
return(success);
}
static bool Move_WQueen(square start_sq, square end_sq, int start_ind, int end_ind, board classic)
{
bool success = true;
List <Char> Let_list = new List <Char> {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'
};
int let_diff = Let_list.IndexOf(end_sq.Position[0]) - Let_list.IndexOf(start_sq.Position[0]); //calc difference in number(row)
int num_diff = Convert.ToInt32(end_sq.Position[1]) - Convert.ToInt32(start_sq.Position[1]); //calc difference in letter(col)
if (end_sq.IsEmpty() || end_sq.IsBlack())
{
if (let_diff == num_diff) //if difference between letter(col) and row(num) are equal, end is diag from start (pos slope)
{ //used for up right and down left movement, (pos=pos, neg=neg)
if (num_diff > 0) //up right
{
for (int i = start_ind - 7; i != end_ind; i -= 7)
{
if (classic.total_board[i].IsEmpty() == false)
{
return(false);
}
}
}
if (num_diff < 0)//down left
{
for (int i = start_ind + 7; i != end_ind; i += 7)
{
if (classic.total_board[i].IsEmpty() == false)
{
return(false);
}
}
}
}
else if (let_diff == -1 * num_diff) //if diff between letter(col) and row(num) are opposites, end is diag from start (neg slope)
{
if (num_diff < 0) //down right
{
for (int i = start_ind + 9; i != end_ind; i += 9)
{
if (classic.total_board[i].IsEmpty() == false)
{
return(false);
}
}
}
if (num_diff > 0)//up left
{
for (int i = start_ind - 9; i != end_ind; i -= 9)
{
if (classic.total_board[i].IsEmpty() == false)
{
return(false);
}
}
}
}
else if ((start_sq.Position[0] == end_sq.Position[0]) && (end_ind - start_ind < 0))//if moving up
{
for (int i = start_ind - 8; i != end_ind; i -= 8)
{
if (classic.total_board[i].IsEmpty() == false)
{
return(false);
}
}
}
else if ((start_sq.Position[0] == end_sq.Position[0]) && (end_ind - start_ind > 0))//if moving down
{
for (int i = start_ind + 8; i != end_ind; i += 8)
{
if (classic.total_board[i].IsEmpty() == false)
{
return(false);
} //if not empty
}
}
else if ((start_sq.Position[1] == end_sq.Position[1]) && (start_ind > end_ind)) // if moving left
{
for (int i = start_ind - 1; i != end_ind; i -= 1)
{
if (classic.total_board[i].IsEmpty() == false)
{
return(false);
}
}
}
else if ((start_sq.Position[1] == end_sq.Position[1]) && (end_ind > start_ind)) // if moving right
{
for (int i = start_ind + 1; i != end_ind; i += 1)
{
if (classic.total_board[i].IsEmpty() == false)
{
return(false);
}
}
}
else
{
return(false);
}
}
else
{
return(false);
}
end_sq.State = "WQ";
start_sq.State = "__";
return(success);
}
static bool Move_WKing(square start_sq, square end_sq, int start_ind, int end_ind)
{
bool success = true;
if (((Math.Abs(end_ind - start_ind) == 1) || (Math.Abs(end_ind - start_ind) == 7) || (Math.Abs(end_ind - start_ind) == 8) || (Math.Abs(end_ind - start_ind) == 9)) && (end_sq.IsEmpty() || end_sq.IsBlack()))
{
}
else
{
return(false);
}
start_sq.State = "__";
end_sq.State = "WK";
return(success);
}
static bool Move_WRook(square start_sq, square end_sq, int start_ind, int end_ind, board classic)//move White Rook
{
bool success = true;
if (end_sq.IsBlack() || end_sq.IsEmpty())
{
if ((start_sq.Position[0] == end_sq.Position[0]) && (end_ind - start_ind < 0))//if moving up
{
for (int i = start_ind - 8; i != end_ind; i -= 8)
{
if (classic.total_board[i].IsEmpty() == false)
{
return(false);
}
}
}
if ((start_sq.Position[0] == end_sq.Position[0]) && (end_ind - start_ind > 0))//if moving down
{
for (int i = start_ind + 8; i != end_ind; i += 8)
{
if (classic.total_board[i].IsEmpty() == false)
{
return(false);
} //if not empty
}
}
if ((start_sq.Position[1] == end_sq.Position[1]) && (start_ind > end_ind)) // if moving left
{
for (int i = start_ind - 1; i != end_ind; i -= 1)
{
if (classic.total_board[i].IsEmpty() == false)
{
return(false);
}
}
}
if ((start_sq.Position[1] == end_sq.Position[1]) && (end_ind > start_ind)) // if moving right
{
for (int i = start_ind + 1; i != end_ind; i += 1)
{
if (classic.total_board[i].IsEmpty() == false)
{
return(false);
}
}
}
}
else
{
return(false);
}
end_sq.State = "WR";
start_sq.State = "__";
return(success);
}
static bool Move_WKnight(square start_sq, square end_sq, int start_ind, int end_ind)
{
bool success = true;
if (((Math.Abs(start_ind - end_ind) == 6) || (Math.Abs(start_ind - end_ind) == 10) || (Math.Abs(start_ind - end_ind) == 15) || (Math.Abs(start_ind - end_ind) == 17)) && (end_sq.IsEmpty() || end_sq.IsBlack()))
{
}
else
{
return(false);
}
start_sq.State = "__";
end_sq.State = "WN";
return(success);
}