private static Constant.GameState CheckColumns(CellManager cm, IMarker m,
Constant.GameState currentGameState)
{
Constant.GameState result = currentGameState;
if (result == Constant.GameState.Win)
{
return(result);
}
for (int column = 0; column < Constant.GridSize; column++)
{
int cnt = 0;
for (int row = 0; row < Constant.GridSize; row++)
{
if (cm.Grid[row, column].Marker != null &&
cm.Grid[row, column].Marker.Equals(m))
{
cnt++;
}
}
if (cnt == Constant.GridSize)
{
return(Constant.GameState.Win);
}
}
return(result);
}
Constant.GameState IYatttgFacade.MakeMove(Player player, int position)
{
// To match up with internal array range.
position--;
// Update the grid
cm_.SetCellAtIndex(position, player.Marker);
currentGameState_ = GameLogic.CheckGridForWinner(cm_, player.Marker,
currentGameState_);
return currentGameState_;
}
Constant.GameState IYatttgFacade.MakeMove(Player player, int position)
{
// To match up with internal array range.
position--;
// Update the grid
cm_.SetCellAtIndex(position, player.Marker);
currentGameState_ = GameLogic.CheckGridForWinner(cm_, player.Marker,
currentGameState_);
return(currentGameState_);
}
Constant.GameState IYatttgFacade.InitGame(Player p1, Player p2)
{
p1_ = p1;
p2_ = p2;
// Flip a coin on who should start first.
p1Turn = RandomFirstTurn();
// Init grid
cm_.InitGrid();
// Game is now running.
currentGameState_ = Constant.GameState.InProgress;
return currentGameState_;
}
public YatttgModel()
{
// Initialize default values.
p1_ = null;
p2_ = null;
// Give Nort and Cross default values.
Nort = new Nort();
Cross = new Cross();
cm_ = new CellManager();
// Initial state is to get player information.
currentGameState_ = Constant.GameState.PlayerInfo;
}
Constant.GameState IYatttgFacade.InitGame(Player p1, Player p2)
{
p1_ = p1;
p2_ = p2;
// Flip a coin on who should start first.
p1Turn = RandomFirstTurn();
// Init grid
cm_.InitGrid();
// Game is now running.
currentGameState_ = Constant.GameState.InProgress;
return(currentGameState_);
}
public YatttgModel()
{
// Initialize default values.
p1_ = null;
p2_ = null;
// Give Nort and Cross default values.
Nort = new Nort();
Cross = new Cross();
cm_ = new CellManager();
// Initial state is to get player information.
currentGameState_ = Constant.GameState.PlayerInfo;
}
private static Constant.GameState CheckDiagonals(CellManager cm, IMarker m,
Constant.GameState currentGameState)
{
Constant.GameState result = currentGameState;
if (result == Constant.GameState.Win)
{
return(result);
}
int cnt = 0;
// Check leading diagonal.
for (int i = 0; i < Constant.GridSize; i++)
{
if (cm.Grid[i, i].Marker != null &&
cm.Grid[i, i].Marker.Equals(m))
{
cnt++;
}
}
if (cnt == Constant.GridSize)
{
return(Constant.GameState.Win);
}
else
{
// Reset the counter, check antidiagonal.
cnt = 0;
for (int i = 0; i < Constant.GridSize; i++)
{
if (cm.Grid[i, Constant.GridSize - 1 - i].Marker != null &&
cm.Grid[i, Constant.GridSize - 1 - i].Marker.Equals(m))
{
cnt++;
}
}
if (cnt == Constant.GridSize)
{
return(Constant.GameState.Win);
}
}
// No result was found on the diagonals.
return(result);
}
internal static Constant.GameState CheckGridForWinner(CellManager cm, IMarker m,
Constant.GameState currentGameState)
{
Constant.GameState result = currentGameState;
// Check winning conditions for the newly created move
if (cm.AllocCount == Constant.MaxOptions)
{
result = Constant.GameState.Tie;
}
else
{
// We only need to check the grid for the marker that has
// just been placed down.
result = CheckRows(cm, m, result);
result = CheckColumns(cm, m, result);
result = CheckDiagonals(cm, m, result);
}
return(result);
}
