}//PlayGame
/// <summary>
/// Turn functionality.
/// If user turn, prompts for row, then column, then attempts to insert at chosen location.
/// If AI turn, generates 2 random integers from 0 to 3 for row and column, then attempts to insert at that location.
/// </summary>
/// <param name="player">X or O to place</param>
/// <param name="rng">Randum number generator. If null, it is user turn. If it exists, AI turn.</param>
private async static Task TurnAsync(string player, TicTacToeServ.TicTacToeServClient client, Random rng = null)
{
int row = -1, col = -1;
bool valid = false;
PlaceUnit toPlace = new PlaceUnit();
toPlace.Unit = player;
do //attempt to place token, repeat until valid location chosen
{
var board = await client.ShowBoardAsync(new Null { });
Console.WriteLine(board.Board);
if (rng == null) //if rng is null, we're processing player actions
{
while (!valid)
{
Console.Write("Please enter the row you wish to place in: ");
valid = Int32.TryParse(Console.ReadLine(), out row);
}
valid = valid ^ valid;
while (!valid)
{
Console.Write("Please enter the column you wish to place in: ");
valid = Int32.TryParse(Console.ReadLine(), out col);
}
toPlace.Row = row;
toPlace.Col = col;
}//if
else //if rng is not null, it's ai move
{
row = rng.Next(0, 3);
col = rng.Next(0, 3);
toPlace.Row = row;
toPlace.Col = col;
}//else
var gamestate = await client.PlayTurnAsync(toPlace);
valid = gamestate.Valid;
if (!valid)
{
if (rng != null)
{
Console.WriteLine("Invalid choice by AI. Rechoosing..)");
}
else
{
Console.WriteLine("Invalid choice. Please choose again.");
}
}
} while (!valid);
} //Turn(Socket, TicTacToeBoard, string, Random)
}//main
/// <summary>
/// Actual game functionality
/// </summary>
/// <param name="Player">Either X or O depending on choice</param>
private static async Task PlayGameAsync(string Player, TicTacToeServ.TicTacToeServClient client)
{
var GameState = await client.ShowBoardAsync(new Null { });
var result = await client.CheckStateAsync(new Null { });
Random rng = new Random();
if (Player.ToLower() == "x")
{
result = await client.CheckStateAsync(new Null { });
do //Turn loop. Start with X (player), check for victory conditions, then continue to O and repeat.
{
await TurnAsync(Player, client);
result = await client.CheckStateAsync(new Null { });
if (result.Result_ != "N")
{
break;
}
await TurnAsync("O", client, rng);
result = await client.CheckStateAsync(new Null { });
if (result.Result_ != "N")
{
break;
}
} while (result.Result_ == "N");
}//if player is X
else //If the player chose to play O
{
result = await client.CheckStateAsync(new Null { });
do
{
await TurnAsync("X", client, rng);
result = await client.CheckStateAsync(new Null { });
if (result.Result_ != "N")
{
break;
}
await TurnAsync(Player, client);
result = await client.CheckStateAsync(new Null { });
if (result.Result_ != "N")
{
break;
}
} while (result.Result_ == "N");
}//else
var board = await client.ShowBoardAsync(new Null { });
Console.WriteLine(board.Board);
// Generate and display winner messages
switch (result.Result_)
{
case "X":
Console.WriteLine("!!!!\t\t X wins the game\t\t!!!!");
break;
case "O":
Console.WriteLine("!!!!\t\t O wins the game\t\t!!!!");
break;
case "D":
Console.WriteLine("\t\t:( :( :(\tThe game is a draw.\t:( :( :(");
break;
}//switch
await client.ResetAsync(new Null { });
}//PlayGame