public static char[,] MakeMove(char[,] boardMatrix, int size)
{
// loop through all board positions until valid move is found
for (int xcoord = 0; xcoord < size; xcoord++)
{
for (int ycoord = 0; ycoord < size; ycoord++)
{
// look left
for (int x = xcoord; x > 0; x--)
{
// look all positions to left for friendly char
if (boardMatrix[x, ycoord] == 'O')
{
// look 1 position to left for opposing char
if (boardMatrix[xcoord - 1, ycoord] == 'X')
{
int xstop = x;
// change positions
for (int j = xcoord; j > xstop; j--)
{
boardMatrix[j, ycoord] = 'O';
}
Console.WriteLine("Computer entered a move at {0}{1}", xcoord, ycoord);
return(boardMatrix);
}
}
}
// look right
for (int x = xcoord; x < Math.Sqrt(boardMatrix.Length); x++)
{
// look all positions to the right for friendly char
if (boardMatrix[x, ycoord] == 'O')
{
// look 1 position to the right for opposing char
if (boardMatrix[xcoord + 1, ycoord] == 'X')
{
int xstop = x;
// change positions
for (int j = xcoord; j < xstop; j++)
{
boardMatrix[j, ycoord] = 'O';
}
Console.WriteLine("Computer entered a move at {0}{1}", xcoord, ycoord);
return(boardMatrix);
}
}
}
// look up
for (int y = ycoord; y >= 0; y--)
{
// look all positions up for friendly char
if (boardMatrix[xcoord, y] == 'O')
{
// look 1 position up for opposing char
if (boardMatrix[xcoord, ycoord - 1] == 'X')
{
int ystop = y;
// change positions
for (int j = ycoord; j > ystop; j--)
{
boardMatrix[xcoord, j] = 'O';
}
Console.WriteLine("Computer entered a move at {0}{1}", xcoord, ycoord);
return(boardMatrix);
}
}
}
// look down
for (int y = ycoord; y < Math.Sqrt(boardMatrix.Length); y++)
{
// look all positions below for friendly char
if (boardMatrix[xcoord, y] == 'O')
{
// look 1 position below for opposing char
if (boardMatrix[xcoord, ycoord + 1] == 'X')
{
int ystop = y;
// change positions
for (int j = ycoord; j < ystop; j++)
{
boardMatrix[xcoord, j] = 'O';
}
Console.WriteLine("Computer entered a move at {0}{1}", xcoord, ycoord);
return(boardMatrix);
}
}
}
}
}
// else end game
EndOfGame.Score(boardMatrix);
return(boardMatrix);
}
public static void TurnLoop(string mode, int size, char[,] boardMatrix)
{
// set player char arrays for looping though
char[] activeplayer = new char[] { 'X', 'O' };
char[] idleplayer = new char[] { 'O', 'X' };
int[] playerid = new int[] { 1, 2 };
bool gameover = false;
// loop for 2 human players
if (mode == "h1")
{
while (gameover == false)
{
for (int i = 0; i < 2; i++)
{
// render board map
Board.DrawMap(size);
// render in board state
Console.WriteLine("\n");
for (int y = 0; y < size; y++)
{
for (int x = 0; x < size; x++)
{
Console.Write(string.Format("|{0}", boardMatrix[x, y]));
if (x == size - 1)
{
Console.Write("|\n");
}
}
}
// prompt and handle user input
Console.WriteLine("\nPlayer {0}, your pieces are denoted by '{1}'. Enter a 2 digit co-ordinate to place, 'help' to view rules again, 'save' to save the current board state and 'end' to view the current score and finish:", playerid[i], activeplayer[i]);
string req = Console.ReadLine();
bool input = Int32.TryParse(req, out int placing);
// print game rules
if (req == "help")
{
Help.PrintHelp(size);
}
// save board matrix to txt file
else if (req == "save")
{
using (StreamWriter sr = new StreamWriter("save.txt"))
{
foreach (var item in boardMatrix)
{
sr.WriteLine(item);
}
}
Console.WriteLine("The game has been saved to save.txt.");
}
// end game - display score
else if (req == "end")
{
EndOfGame.Score(boardMatrix);
}
// action move request if valid number input
else if (input)
{
int xcoord = placing / 10;
int ycoord = placing % 10;
boardMatrix = HumanMove.LookAndPlace(xcoord, ycoord, boardMatrix, activeplayer[i], idleplayer[i]);
// end of game test
int count = 0;
foreach (char square in boardMatrix)
{
if (square == ' ')
{
count++;
}
}
if (count == 0)
{
EndOfGame.Score(boardMatrix);
}
}
else
{
Console.Write("\nInput not recognised.");
}
}
}
}
// loop for 1 computer player, 1 human
else if (mode == "c1")
{
while (gameover == false)
{
for (int i = 0; i < 2; i++)
{
// render in board state console
Console.WriteLine("\n");
for (int y = 0; y < size; y++)
{
for (int x = 0; x < size; x++)
{
Console.Write(string.Format("|{0}", boardMatrix[x, y]));
if (x == size - 1)
{
Console.Write("|\n");
}
}
}
// prompt and handle human input
Console.WriteLine("\nPlayer 1, your pieces are denoted by 'X'. Enter a 2 digit co-ordinate to place, 'help' to view rules again, 'save' to save the current board state and 'end' to view the current score and finish:");
string req = Console.ReadLine();
bool input = Int32.TryParse(req, out int placing);
// print game rules
if (req == "help")
{
Help.PrintHelp(size);
}
// save board state to txt file
else if (req == "save")
{
using (StreamWriter sr = new StreamWriter("save.txt"))
{
foreach (var item in boardMatrix)
{
sr.WriteLine(item);
}
}
Console.WriteLine("The game has been saved to save.txt.");
}
// end game - show scores
else if (req == "end")
{
EndOfGame.Score(boardMatrix);
}
// action move request if valid number input
else if (input)
{
int xcoord = placing / 10;
int ycoord = placing % 10;
boardMatrix = HumanMove.LookAndPlace(xcoord, ycoord, boardMatrix, 'X', 'O');
}
else
{
Console.Write("\nInput not recognised.");
}
// computer move
boardMatrix = EasyAI.MakeMove(boardMatrix, size);
// test for full board, if so end game
foreach (char square in boardMatrix)
{
if (square == ' ')
{
break;
}
else
{
EndOfGame.Score(boardMatrix);
}
}
}
}
}
}