private int CPUMove(TicTacToeMain game)
{
//int movePosition = 0;
int cpuMove = 1;
switch (Difficulty)
{
case CPUDifficulty.Easy:
CPUMoveEasy(game);
break;
case CPUDifficulty.Normal:
cpuMove = CPUMoveNormal(game);
break;
case CPUDifficulty.Impossible:
cpuMove = CPUMoveImpossible(game);
break;
default:
CPUMoveEasy(game);
break;
}
return(cpuMove);
}
private int CPUMoveImpossible(TicTacToeMain game)
{
List <int> enemyPositions = game.GetEnemyPositions();
//int cpuMove = 0;
for (int i = 0; i < enemyPositions.Count; i++)
{
Console.WriteLine($"enemy = {OpponentChar} at position {enemyPositions[i]}");
enemyPositions[i]++;
}
switch (game.turnCount)
{
case 0:
return(1);
case 1:
if (enemyPositions.Contains(5))
{
return(1);
}
else
{
return(5);
}
case 2:
//if (enemyPositions.Intersect(GetEdgeCoorinatesAsList()).Any())
//{
// return 5;
//}
//else if (enemyPositions.Contains(5))
//{
// return 9;
//}
//else if (enemyPositions.Contains(2) || enemyPositions.Contains(4))
//{
// return 9;
//}
//else
//{
// return 7;
//}
if (enemyPositions.Contains(5))
{
return(9);
}
else
{
return(5);
}
//case 3:
// break;
default:
return(CPUMoveEasy(game));
}
}
private int PlayerMove(TicTacToeMain game)
{
int playerInput = game._inputDelegate();
while (game.IsGameArrayElementTaken(playerInput))
{
playerInput = game._inputDelegate();
}
return(playerInput);
}
private int CPUMoveEasy(TicTacToeMain game)
{
Random rnd = new Random();
int cpuMove = rnd.Next(1, 10);
while (game.IsGameArrayElementTaken(cpuMove))
{
cpuMove = rnd.Next(1, 10);
}
return(cpuMove);
}
//wrapper for CPUMove and PlayerMove
public int Turn(TicTacToeMain game)
{
//check if taken
int output = 0;
if (IsCPU)
{
output = CPUMove(game);
}
else
{
output = PlayerMove(game);
}
return(output);
}
private int CPUMoveNormal(TicTacToeMain game)
{
return(CPUMoveEasy(game));
}