private void firstMove()
{
int choice = randomChoice(5);
switch (choice)
{
case 1:
AddSign b1 = new AddSign('n', buttonList[0]);
lastSign = b1.GetSign();
playField[0] = b1.GetSign();
break;
case 2:
AddSign b3 = new AddSign('n', buttonList[2]);
lastSign = b3.GetSign();
playField[2] = b3.GetSign();
break;
case 3:
AddSign b7 = new AddSign('n', buttonList[6]);
lastSign = b7.GetSign();
playField[6] = b7.GetSign();
break;
case 4:
AddSign b9 = new AddSign('n', buttonList[8]);
lastSign = b9.GetSign();
playField[8] = b9.GetSign();
break;
}
}
private void button1_Click(object sender, EventArgs e)
{
if ((button1.BackgroundImage == null) && (endState == false))
{
AddSign b1 = new AddSign(lastSign, button1);
lastSign = b1.GetSign();
playField[0] = b1.GetSign();
gameEnd = b1.checkWin(playField);
if ((gameEnd == 'X') || (gameEnd == 'O') || (gameEnd == 'D'))
{
EndOfGame();
}
if (vsAI == true)
{
ai.AITurn();
lastSign = ai.GetLastSign();
if ((ai.GetGameEnd() == 'X') || (ai.GetGameEnd() == 'O') || (ai.GetGameEnd() == 'D'))
{
gameEnd = ai.GetGameEnd();
EndOfGame();
}
}
}
}
private bool checkIfAbleToWin()
{
int counter = 0;
int oCounter = 0, xCounter = 0;
for (int i = 0; i < 3; i++) //HORIZONTAL LINES
{
for (int j = 0; j < 3; j++)
{
counter++;
if (playField2d[i, j] == playerSign)
{
oCounter++;
}
if (playField2d[i, j] == botSign)
{
xCounter++;
}
}
if ((xCounter == 2) && (oCounter == 0))
{
for (int j = 0; j < 3; j++)
{
if ((playField2d[i, j] != playerSign) && (playField2d[i, j] != botSign))
{
AddSign b = new AddSign(playerSign, buttonList[counter - Math.Abs(3 - j)]);
lastSign = b.GetSign();
playField2d[i, j] = botSign;
updateArray();
gameEnd = b.checkWin(playField);
return(true);
}
}
}
xCounter = 0;
oCounter = 0;
}
counter = 0;
xCounter = 0;
oCounter = 0;
//vertical lines
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
counter++;
if (playField2d[j, i] == botSign)
{
xCounter++;
}
if (playField2d[j, i] == playerSign)
{
oCounter++;
}
}
if ((xCounter == 2) && (oCounter == 0))
{
for (int j = 0; j < 3; j++)
{
if ((playField2d[j, i] != playerSign) && playField2d[j, i] != botSign)
{
AddSign b = new AddSign(playerSign, buttonList[3 * (j + 1) - Math.Abs(3 - i)]);
lastSign = b.GetSign();
playField2d[j, i] = botSign;
updateArray();
gameEnd = b.checkWin(playField);
}
}
return(true);
}
xCounter = 0;
oCounter = 0;
}
counter = 0;
xCounter = 0;
oCounter = 0;
for (int i = 0; i < 3; i++) /* 1 5 9 buttons */
{
if (playField2d[i, i] == playerSign)
{
oCounter++;
}
if (playField2d[i, i] == botSign)
{
xCounter++;
}
}
if ((xCounter == 2) && (oCounter == 0))
{
for (int i = 0; i < 3; i++)
{
if (playField2d[i, i] != botSign)
{
AddSign b = new AddSign(playerSign, buttonList[(i + 1) * 3 - Math.Abs(3 - i)]);
lastSign = b.GetSign();
playField2d[i, i] = botSign;
updateArray();
gameEnd = b.checkWin(playField);
return(true);
}
}
}
xCounter = 0;
oCounter = 0;
counter = 0;
for (int i = 0; i < 3; i++) /* 3 5 7 buttons */
{
if (playField2d[i, 2 - i] == playerSign)
{
oCounter++;
}
if (playField2d[i, 2 - i] == botSign)
{
xCounter++;
}
}
if ((xCounter == 2) && (oCounter == 0))
{
for (int i = 0; i < 3; i++)
{
if (playField2d[i, 2 - i] != botSign)
{
AddSign b = new AddSign(playerSign, buttonList[(i * 3 + (3 - i)) - 1]);
lastSign = b.GetSign();
playField2d[i, 2 - i] = botSign;
updateArray();
gameEnd = b.checkWin(playField);
return(true);
}
}
}
return(false);
}
private void turn() //plays in random corner
{
if (digitCountInCharArray() == 7 && checkQuarteCross())
{
int place = 0;
for (int i = 0; i < 9; i++)
{
if (!Char.IsDigit(playField[i]) && i != 4)
{
place = 10 - (i + 1) - 1;
}
}
AddSign b = new AddSign(playerSign, buttonList[place]);
lastSign = b.GetSign();
playField[place] = b.GetSign();
return;
}
if (fTurn == true && Char.IsDigit(playField[4]))
{
AddSign b5 = new AddSign(playerSign, buttonList[4]);
lastSign = b5.GetSign();
playField[4] = b5.GetSign();
fTurn = false;
return;
}
if ((Char.IsDigit(playField[0])) || (Char.IsDigit(playField[2])) ||
(Char.IsDigit(playField[6])) || (Char.IsDigit(playField[8])))
{
int choice = randomChoice(5);
while (choice != -1)
{
switch (choice)
{
case 1:
if (Char.IsDigit(playField[0]))
{
AddSign b1 = new AddSign(playerSign, buttonList[0]);
lastSign = b1.GetSign();
playField[0] = b1.GetSign();
choice = -1;
}
else
{
choice = randomChoice(5);
}
break;
case 2:
if (Char.IsDigit(playField[2]))
{
AddSign b3 = new AddSign(playerSign, buttonList[2]);
lastSign = b3.GetSign();
playField[2] = b3.GetSign();
choice = -1;
}
else
{
choice = randomChoice(5);
}
break;
case 3:
if (Char.IsDigit(playField[6]))
{
AddSign b7 = new AddSign(playerSign, buttonList[6]);
lastSign = b7.GetSign();
playField[6] = b7.GetSign();
choice = -1;
}
else
{
choice = randomChoice(5);
}
break;
case 4:
if (Char.IsDigit(playField[8]))
{
AddSign b9 = new AddSign(playerSign, buttonList[8]);
lastSign = b9.GetSign();
playField[8] = b9.GetSign();
choice = -1;
}
else
{
choice = randomChoice(5);
}
break;
default:
choice = randomChoice(5);
break;
}
}
}
}
private bool checkIfBlockNeeded()
{
int counter = 0;
int oCounter = 0, xCounter = 0;
for (int i = 0; i < 3; i++) //check horizontal lines
{
for (int j = 0; j < 3; j++)
{
counter++;
if (playField2d[i, j] == playerSign)
{
oCounter++;
}
if (playField2d[i, j] == botSign)
{
xCounter++;
}
}
if ((oCounter == 2) && (xCounter == 0))
{
for (int j = 0; j < 3; j++)
{
if (playField2d[i, j] != playerSign && playField2d[i, j] != botSign)
{
AddSign b = new AddSign(playerSign, buttonList[counter - Math.Abs(3 - j)]);
lastSign = b.GetSign();
playField2d[i, j] = botSign;
updateArray();
gameEnd = b.checkWin(playField);
}
}
return(true);
}
oCounter = 0;
xCounter = 0;
}
/*PRADZIA*/
counter = 0;
oCounter = 0; //check vertical lines
xCounter = 0;
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
counter++;
if (playField2d[j, i] == playerSign)
{
oCounter++;
}
if (playField2d[j, i] == botSign)
{
xCounter++;
}
}
if ((oCounter == 2) && (xCounter == 0))
{
for (int j = 0; j < 3; j++)
{
if (playField2d[j, i] != playerSign)
{
AddSign b = new AddSign(playerSign, buttonList[3 * (j + 1) - Math.Abs(3 - i)]);
lastSign = b.GetSign();
playField2d[j, i] = botSign;
updateArray();
gameEnd = b.checkWin(playField);
}
}
return(true);
}
xCounter = 0;
oCounter = 0;
}
/*PABAIGA*/
counter = 0;
xCounter = 0;
oCounter = 0;
digitCountInCharArray();
if (digitCountInCharArray() == 6 && checkHalfCross())
{
int number = randomChoice(5);
switch (number)
{
case 1:
AddSign b2 = new AddSign(playerSign, buttonList[1]);
lastSign = b2.GetSign();
playField[1] = b2.GetSign();
return(true);
break;
case 2:
AddSign b4 = new AddSign(playerSign, buttonList[3]);
lastSign = b4.GetSign();
playField[3] = b4.GetSign();
return(true);
break;
case 3:
AddSign b6 = new AddSign(playerSign, buttonList[5]);
lastSign = b6.GetSign();
playField[5] = b6.GetSign();
return(true);
break;
case 4:
AddSign b8 = new AddSign(playerSign, buttonList[7]);
lastSign = b8.GetSign();
playField[7] = b8.GetSign();
return(true);
break;
}
}
counter = 0;
xCounter = 0; //istrizai
oCounter = 0;
for (int i = 0; i < 3; i++) /* 1 5 9 buttons */
{
if (playField2d[i, i] == playerSign)
{
oCounter++;
}
if (playField2d[i, i] == botSign)
{
xCounter++;
}
}
if (oCounter == 2 && xCounter == 0)
{
for (int i = 0; i < 3; i++)
{
if (playField2d[i, i] != playerSign)
{
AddSign b = new AddSign(playerSign, buttonList[(i + 1) * 3 - Math.Abs(3 - i)]);
lastSign = b.GetSign();
playField2d[i, i] = botSign;
updateArray();
gameEnd = b.checkWin(playField);
return(true);
}
}
}
counter = 0;
xCounter = 0;
oCounter = 0;
for (int i = 0; i < 3; i++) /* 3 5 7 buttons */
{
if (playField2d[i, 2 - i] == playerSign)
{
oCounter++;
}
if (playField2d[i, 2 - i] == botSign)
{
xCounter++;
}
}
if ((xCounter == 0) && (oCounter == 2))
{
for (int i = 0; i < 3; i++)
{
if (playField2d[i, 2 - i] != playerSign)
{
AddSign b = new AddSign(playerSign, buttonList[(i * 3 + (3 - i)) - 1]);
lastSign = b.GetSign();
playField2d[i, 2 - i] = botSign;
updateArray();
gameEnd = b.checkWin(playField);
return(true);
}
}
}
return(false);
}