private string ApplyTurn(int i, int j)
{
if (i < 0 || i >= 3)
{
return("Invalid row.");
}
if (j < 0 || j >= 3)
{
return("Invalid column.");
}
if (Table[i, j] != ' ')
{
return("Field is not empty.");
}
Table[i, j] = OnTurn;
DisplayTable[i, j].Text = OnTurn.ToString();
if (CheckIsEnd())
{
return("#END");
}
SwitchTurn();
if (IsAIOnTurn)
{
AIDelay.Start();
}
return(null);
}
private void NewGame()
{
(PlayerType, PlayerType)? players = null;
do
{
players = ChoosePlayers.Choose();
} while (players == null);
Player1Type = players.Value.Item1;
Player2Type = players.Value.Item2;
ResetTable();
SyncDisplayTable();
OnTurn = 'X';
if (IsAIOnTurn)
{
AIDelay.Start();
}
}
private void AIDelay_Tick(object sender, EventArgs e)
{
if (!IsAIOnTurn)
{
return;
}
AIDelay.Stop();
AI.SetState(Table, OnTurn);
var nextTurn = AI.NextTurn;
var result = ApplyTurn(nextTurn.Item1, nextTurn.Item2);
if (result == "#END")
{
return;
}
if (result != null)
{
MessageBox.Show(result, "Warning", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
