//Todd Clark
//02-21-2018
/// <summary>
/// Attempts to update a users current status in a game.
/// Returns the following:
/// 0: Invalid status change.
/// 1: Valid status change.
/// 2: Valid status change, set game to active.
/// 3: Valid status change, set game to inactive.
/// </summary>
/// <param name="outputGameState"></param>
/// <param name="currentGameState"></param>
/// <param name="gameId"></param>
/// <param name="usernameStatusList"></param>
/// <param name="callingUsername"></param>
/// <param name="requestedStatus"></param>
/// <returns></returns>
public int TryUpdateUserStatus(ref string outputGameState, string currentGameState, int gameId, List <Tuple <string, int> > usernameStatusList, string callingUsername, int requestedStatus)
{
int currentUserStatus = usernameStatusList.Single(x => x.Item1 == callingUsername).Item2;
bool otherPendingUsers = usernameStatusList.Where(x => x.Item1 != callingUsername && x.Item2 == 1).Any();
if (currentUserStatus == 1 && requestedStatus == 2)
{
if (!otherPendingUsers)
{
CreateGame(ref outputGameState, usernameStatusList);
return(2);
}
return(1);
}
else if (currentUserStatus == 1 && requestedStatus == 3)
{
//rejected invite
return(3);
}
else if (currentUserStatus == 2 && requestedStatus == 3)
{
TTTGameState tempGameState = JsonConvert.DeserializeObject <TTTGameState>(currentGameState);
tempGameState.Victor = usernameStatusList.Where(x => x.Item1 != callingUsername).First().Item1;
outputGameState = JsonConvert.SerializeObject(tempGameState);
return(3);
}
else
{
return(0);
}
}
//Implemented by Michael Case, 02-22-2018
//Edited by Todd Clark, 02-24-2018. Changed implementation to work with JSON.
/// <summary>
///
/// </summary>
/// <param name="outputGameState"></param>
/// <param name="currentGameState"></param>
/// <param name="gameId"></param>
/// <param name="callingUsername"></param>
/// <param name="requestedTurn"></param>
/// <returns></returns>
public int TryTakeTurn(ref string outputGameState, string currentGameState, int gameId, string callingUsername, string requestedTurn)
{
TTTGameState tempGameState = JsonConvert.DeserializeObject <TTTGameState>(currentGameState);
// Return if it's not the user's turn
if (tempGameState.CurrentTurnUser != callingUsername)
{
return(0);
}
// If the spot is empty, proceed to set in JSON
// Output = Original + new move and set current turn to next
// in turn order
int requestedGridPosition;
if (!int.TryParse(requestedTurn, out requestedGridPosition))
{
return(0);
}
if (string.IsNullOrWhiteSpace(tempGameState.Grid[requestedGridPosition]))
{
tempGameState.Grid[requestedGridPosition] = tempGameState.CurrentTurn;
int gameStatus = GetGameStatus(ref tempGameState);
tempGameState.AdvanceTurnOrder();
outputGameState = JsonConvert.SerializeObject(tempGameState);
return(gameStatus);
}
else
{
return(0); //Error, requested grid position is full.
}
}
//Todd Clark
//02-21-2018
/// <summary>
/// Creates initial game state.
/// </summary>
private void CreateGame(ref string outputGameState, List <Tuple <string, int> > usernameStatusList)
{
Dictionary <string, string> turnOrder = new Dictionary <string, string> {
{ "x", usernameStatusList[0].Item1 },
{ "o", usernameStatusList[1].Item1 }
};
TTTGameState initialGameState = new TTTGameState(turnOrder);
outputGameState = JsonConvert.SerializeObject(initialGameState);
}
// Michael Case
// 02-22-2018
//Edited by Todd Clark 02-24-18. Changed to work with game object instead of string.
//This now works with our JSON implementation.
/// <summary>
/// Checks the game board for victory or draw condition
/// </summary>
/// <param name="gameState">Current state of the game</param>
/// <returns>3 if game is over, 1 if game continues</returns>
private int GetGameStatus(ref TTTGameState gameState)
{
// I'm not sure how we are implenting the grid yet
// 1 or 2 dimensional array?
if ( //row 1
gameState.Grid[0] == gameState.CurrentTurn &&
gameState.Grid[1] == gameState.CurrentTurn &&
gameState.Grid[2] == gameState.CurrentTurn
||
// row 2
gameState.Grid[3] == gameState.CurrentTurn &&
gameState.Grid[4] == gameState.CurrentTurn &&
gameState.Grid[5] == gameState.CurrentTurn
||
// row 3
gameState.Grid[6] == gameState.CurrentTurn &&
gameState.Grid[7] == gameState.CurrentTurn &&
gameState.Grid[8] == gameState.CurrentTurn
||
// column 1
gameState.Grid[0] == gameState.CurrentTurn &&
gameState.Grid[3] == gameState.CurrentTurn &&
gameState.Grid[6] == gameState.CurrentTurn
||
// column 2
gameState.Grid[1] == gameState.CurrentTurn &&
gameState.Grid[4] == gameState.CurrentTurn &&
gameState.Grid[7] == gameState.CurrentTurn
||
// column 3
gameState.Grid[2] == gameState.CurrentTurn &&
gameState.Grid[5] == gameState.CurrentTurn &&
gameState.Grid[8] == gameState.CurrentTurn
||
// diagonal 1
gameState.Grid[0] == gameState.CurrentTurn &&
gameState.Grid[4] == gameState.CurrentTurn &&
gameState.Grid[8] == gameState.CurrentTurn
||
// diagonal 2
gameState.Grid[2] == gameState.CurrentTurn &&
gameState.Grid[4] == gameState.CurrentTurn &&
gameState.Grid[6] == gameState.CurrentTurn
)
{
gameState.Victor = gameState.CurrentTurnUser;
gameState.CurrentTurn = "";
return(3);
}
bool boardHasFreeSpace = gameState.Grid.Any(x => string.IsNullOrEmpty(x));
// Grid full, end game
if (!boardHasFreeSpace)
{
gameState.CurrentTurn = "";
gameState.Victor = "draw";
return(3);
}
else
{
return(1); // continue game
}
}
