static bool Move_BQueen(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.IsWhite())
{
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 = "BQ";
start_sq.State = "__";
return(success);
}
static bool Move_BRook(square start_sq, square end_sq, int start_ind, int end_ind, board classic)//move Black Rook
{
bool success = true;
if (end_sq.IsWhite() || 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 ((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 = "BR";
start_sq.State = "__";
return(success);
}
static board Classic_board()
{
board Classic = new board(8);
square A1 = new square("A1", "WR");
square B1 = new square("B1", "WN");
square C1 = new square("C1", "WB");
square D1 = new square("D1", "WQ");
square E1 = new square("E1", "WK");
square F1 = new square("F1", "WB");
square G1 = new square("G1", "WN");
square H1 = new square("H1", "WR");
square A2 = new square("A2", "WP");
square B2 = new square("B2", "WP");
square C2 = new square("C2", "WP");
square D2 = new square("D2", "WP");
square E2 = new square("E2", "WP");
square F2 = new square("F2", "WP");
square G2 = new square("G2", "WP");
square H2 = new square("H2", "WP");
square A3 = new square("A3", "__");
square B3 = new square("B3", "__");
square C3 = new square("C3", "__");
square D3 = new square("D3", "__");
square E3 = new square("E3", "__");
square F3 = new square("F3", "__");
square G3 = new square("G3", "__");
square H3 = new square("H3", "__");
square A4 = new square("A4", "__");
square B4 = new square("B4", "__");
square C4 = new square("C4", "__");
square D4 = new square("D4", "__");
square E4 = new square("E4", "__");
square F4 = new square("F4", "__");
square G4 = new square("G4", "__");
square H4 = new square("H4", "__");
square A5 = new square("A5", "__");
square B5 = new square("B5", "__");
square C5 = new square("C5", "__");
square D5 = new square("D5", "__");
square E5 = new square("E5", "__");
square F5 = new square("F5", "__");
square G5 = new square("G5", "__");
square H5 = new square("H5", "__");
square A6 = new square("A6", "__");
square B6 = new square("B6", "__");
square C6 = new square("C6", "__");
square D6 = new square("D6", "__");
square E6 = new square("E6", "__");
square F6 = new square("F6", "__");
square G6 = new square("G6", "__");
square H6 = new square("H6", "__");
square A7 = new square("A7", "BP");
square B7 = new square("B7", "BP");
square C7 = new square("C7", "BP");
square D7 = new square("D7", "BP");
square E7 = new square("E7", "BP");
square F7 = new square("F7", "BP");
square G7 = new square("G7", "BP");
square H7 = new square("H7", "BP");
square A8 = new square("A8", "BR");
square B8 = new square("B8", "BN");
square C8 = new square("C8", "BB");
square D8 = new square("D8", "BQ");
square E8 = new square("E8", "BK");
square F8 = new square("F8", "BB");
square G8 = new square("G8", "BN");
square H8 = new square("H8", "BR");
Classic.Add_sq(A8);
Classic.Add_sq(B8);
Classic.Add_sq(C8);
Classic.Add_sq(D8);
Classic.Add_sq(E8);
Classic.Add_sq(F8);
Classic.Add_sq(G8);
Classic.Add_sq(H8);
Classic.Add_sq(A7);
Classic.Add_sq(B7);
Classic.Add_sq(C7);
Classic.Add_sq(D7);
Classic.Add_sq(E7);
Classic.Add_sq(F7);
Classic.Add_sq(G7);
Classic.Add_sq(H7);
Classic.Add_sq(A6);
Classic.Add_sq(B6);
Classic.Add_sq(C6);
Classic.Add_sq(D6);
Classic.Add_sq(E6);
Classic.Add_sq(F6);
Classic.Add_sq(G6);
Classic.Add_sq(H6);
Classic.Add_sq(A5);
Classic.Add_sq(B5);
Classic.Add_sq(C5);
Classic.Add_sq(D5);
Classic.Add_sq(E5);
Classic.Add_sq(F5);
Classic.Add_sq(G5);
Classic.Add_sq(H5);
Classic.Add_sq(A4);
Classic.Add_sq(B4);
Classic.Add_sq(C4);
Classic.Add_sq(D4);
Classic.Add_sq(E4);
Classic.Add_sq(F4);
Classic.Add_sq(G4);
Classic.Add_sq(H4);
Classic.Add_sq(A3);
Classic.Add_sq(B3);
Classic.Add_sq(C3);
Classic.Add_sq(D3);
Classic.Add_sq(E3);
Classic.Add_sq(F3);
Classic.Add_sq(G3);
Classic.Add_sq(H3);
Classic.Add_sq(A2);
Classic.Add_sq(B2);
Classic.Add_sq(C2);
Classic.Add_sq(D2);
Classic.Add_sq(E2);
Classic.Add_sq(F2);
Classic.Add_sq(G2);
Classic.Add_sq(H2);
Classic.Add_sq(A1);
Classic.Add_sq(B1);
Classic.Add_sq(C1);
Classic.Add_sq(D1);
Classic.Add_sq(E1);
Classic.Add_sq(F1);
Classic.Add_sq(G1);
Classic.Add_sq(H1);
Classic.Add_Mpos("A8", 0);
Classic.Add_Mpos("B8", 1);
Classic.Add_Mpos("C8", 2);
Classic.Add_Mpos("D8", 3);
Classic.Add_Mpos("E8", 4);
Classic.Add_Mpos("F8", 5);
Classic.Add_Mpos("G8", 6);
Classic.Add_Mpos("H8", 7);
Classic.Add_Mpos("A7", 8);
Classic.Add_Mpos("B7", 9);
Classic.Add_Mpos("C7", 10);
Classic.Add_Mpos("D7", 11);
Classic.Add_Mpos("E7", 12);
Classic.Add_Mpos("F7", 13);
Classic.Add_Mpos("G7", 14);
Classic.Add_Mpos("H7", 15);
Classic.Add_Mpos("A6", 16);
Classic.Add_Mpos("B6", 17);
Classic.Add_Mpos("C6", 18);
Classic.Add_Mpos("D6", 19);
Classic.Add_Mpos("E6", 20);
Classic.Add_Mpos("F6", 21);
Classic.Add_Mpos("G6", 22);
Classic.Add_Mpos("H6", 23);
Classic.Add_Mpos("A5", 24);
Classic.Add_Mpos("B5", 25);
Classic.Add_Mpos("C5", 26);
Classic.Add_Mpos("D5", 27);
Classic.Add_Mpos("E5", 28);
Classic.Add_Mpos("F5", 29);
Classic.Add_Mpos("G5", 30);
Classic.Add_Mpos("H5", 31);
Classic.Add_Mpos("A4", 32);
Classic.Add_Mpos("B4", 33);
Classic.Add_Mpos("C4", 34);
Classic.Add_Mpos("D4", 35);
Classic.Add_Mpos("E4", 36);
Classic.Add_Mpos("F4", 37);
Classic.Add_Mpos("G4", 38);
Classic.Add_Mpos("H4", 39);
Classic.Add_Mpos("A3", 40);
Classic.Add_Mpos("B3", 41);
Classic.Add_Mpos("C3", 42);
Classic.Add_Mpos("D3", 43);
Classic.Add_Mpos("E3", 44);
Classic.Add_Mpos("F3", 45);
Classic.Add_Mpos("G3", 46);
Classic.Add_Mpos("H3", 47);
Classic.Add_Mpos("A2", 48);
Classic.Add_Mpos("B2", 49);
Classic.Add_Mpos("C2", 50);
Classic.Add_Mpos("D2", 51);
Classic.Add_Mpos("E2", 52);
Classic.Add_Mpos("F2", 53);
Classic.Add_Mpos("G2", 54);
Classic.Add_Mpos("H2", 55);
Classic.Add_Mpos("A1", 56);
Classic.Add_Mpos("B1", 57);
Classic.Add_Mpos("C1", 58);
Classic.Add_Mpos("D1", 59);
Classic.Add_Mpos("E1", 60);
Classic.Add_Mpos("F1", 61);
Classic.Add_Mpos("G1", 62);
Classic.Add_Mpos("H1", 63);
return(Classic);
}
static void Main(string[] args)
{
Console.BackgroundColor = ConsoleColor.White;
Console.ForegroundColor = ConsoleColor.Black;
Console.Clear();
string user_move = "";
string start_str = "";
string end_str = "";
bool white_turn = true;
bool move_bool = false;
string Help = "White starts first, to make a move, enter the square you would like to move your piece from,\nfollowed by the square you would like to move your piece to. For Example, E2E3, moves your E pawn up one square.To show this message again, enter HELP \nTo leave the program, enter EXIT \nand remember, always have fun!!";
board Classic_Test = Classic_board();
Console.WriteLine("Welcome to C# Chess!!");
Console.WriteLine(Help);
while (user_move != "EXIT")
{
Classic_Test.Display();
bool Black_Win = true;
bool White_Win = true;
foreach (square elem in Classic_Test.total_board)//check for promotions or white/black wins
{
if (elem.GetState() == "WK")
{
Black_Win = false;//and this
}
if (elem.GetState() == "BK")
{
White_Win = false;//do something with this
}
if (elem.State == "WP" && elem.Position[1] == '8')
{
Promote(elem);
Classic_Test.Display();
}
if (elem.GetState() == "BP" && elem.Position[1] == '1')
{
Promote(elem);
Classic_Test.Display();
}
}
if (Black_Win == true)
{
Console.WriteLine("\n Congratulations Black, You captured the White King and are victorius!!!");
Console.ReadLine();
break;
}
if (White_Win == true)
{
Console.WriteLine("\n Congratulations White, You captured the Black King and are victorius!!!");
Console.ReadLine();
break;
}
if (white_turn == true)
{
Console.Write("Make your move, White: ");
}
else
{
Console.Write("Make your move, Black: ");
}
user_move = Console.ReadLine().ToUpper();
if (user_move == "EXIT")
{
break;
}
if (user_move == "HELP")
{
Console.WriteLine(Help);
continue;
}
if (user_move.Length != 4)
{
Console.WriteLine("Input should only be 4 charachters long, try again!");
continue;
}
start_str = user_move.Substring(0, 2);
end_str = user_move.Substring(2, 2);
int start_ind, end_ind;
try {
start_ind = Classic_Test.Occ_dict[start_str];
end_ind = Classic_Test.Occ_dict[end_str];
}
catch (KeyNotFoundException ex)
{
Console.WriteLine("Incorrect input format, please try again!");
continue;
}
square start_sq = Classic_Test.total_board[start_ind];//sq has pos(A4) and state(__/WP/BN)
square end_sq = Classic_Test.total_board[end_ind];
if ((start_sq.State[0] == 'W' && white_turn == true) || (start_sq.State[0] == 'B' && white_turn == false))
{
if (start_sq.State == "WP")
{
move_bool = Move_WPawn(start_sq, end_sq, start_ind, end_ind);
}
else if (start_sq.State == "BP")
{
move_bool = Move_BPawn(start_sq, end_sq, start_ind, end_ind);
}
else if (start_sq.State == "WN")
{
move_bool = Move_WKnight(start_sq, end_sq, start_ind, end_ind);
}
else if (start_sq.State == "BN")
{
move_bool = Move_BKnight(start_sq, end_sq, start_ind, end_ind);
}
else if (start_sq.State == "WR")
{
move_bool = Move_WRook(start_sq, end_sq, start_ind, end_ind, Classic_Test);
}
else if (start_sq.State == "BR")
{
move_bool = Move_BRook(start_sq, end_sq, start_ind, end_ind, Classic_Test);
}
else if (start_sq.State == "WK")
{
move_bool = Move_WKing(start_sq, end_sq, start_ind, end_ind);
}
else if (start_sq.State == "BK")
{
move_bool = Move_BKing(start_sq, end_sq, start_ind, end_ind);
}
else if (start_sq.State == "WB")
{
move_bool = Move_WBishop(start_sq, end_sq, start_ind, end_ind, Classic_Test);
}
else if (start_sq.State == "BB")
{
move_bool = Move_BBishop(start_sq, end_sq, start_ind, end_ind, Classic_Test);
}
else if (start_sq.State == "WQ")
{
move_bool = Move_WQueen(start_sq, end_sq, start_ind, end_ind, Classic_Test);
}
else if (start_sq.State == "BQ")
{
move_bool = Move_BQueen(start_sq, end_sq, start_ind, end_ind, Classic_Test);
}
else
{
move_bool = false;
}
}
else
{
move_bool = false;
}
if (move_bool == false)
{
Console.WriteLine("Invalid Move, Please try again");
continue;
}
else//if move was correct and made
{
if (white_turn == true)//and it was whites move
{
white_turn = false;//switch to blacks move
}
else
{
white_turn = true;
} //else it was just blacks move, switch to whites move
}
}//end of while
} //end of main
static square Promote(square prom_sq)
{
bool corr_inp = false;
string prom_choice;
string prom_piece;
if (prom_sq.GetState() == "WP")
{
Console.WriteLine("White pawn promoted!!, please select which piece to promote to(R,B,N,Q): ");
prom_choice = Console.ReadLine();
prom_piece = "WP";
while (corr_inp == false)
{
if (prom_choice == "R")
{
prom_piece = "WR";
corr_inp = true;
}
else if (prom_choice == "B")
{
prom_piece = "WB";
corr_inp = true;
}
else if (prom_choice == "N")
{
prom_piece = "WN";
corr_inp = true;
}
else if (prom_choice == "Q")
{
prom_piece = "WQ";
corr_inp = true;
}
else
{
prom_piece = "WP";
Console.WriteLine("Incorrect input, try again!");
}
}
prom_sq.SetState(prom_piece);
return(prom_sq);
}
else if (prom_sq.GetState() == "BP")
{
Console.WriteLine("Black pawn promoted!!, please select which piece to promote to(R,B,N,Q): ");
prom_choice = Console.ReadLine();
prom_piece = "BP";
while (corr_inp == false)
{
if (prom_choice == "R")
{
prom_piece = "BR";
corr_inp = true;
}
else if (prom_choice == "B")
{
prom_piece = "BB";
corr_inp = true;
}
else if (prom_choice == "N")
{
prom_piece = "BN";
corr_inp = true;
}
else if (prom_choice == "Q")
{
prom_piece = "BQ";
corr_inp = true;
}
else
{
Console.WriteLine("Incorrect input, try again!");
}
}
prom_sq.SetState(prom_piece);
return(prom_sq);
}
return(prom_sq);
}