// finds the value of a specific move in a column
// depth is how many moves ahead the alg is looking
public float FindValue(Board board, int col, int depth)
{
// check if the move will win the game
WinState?win = board.CheckWinState();
// if the game is going to end with the move
if (win != null)
{
// check if it will end with draw
if (win == WinState.TIE)
{
return(0f);
}
// return 1 (best) for win, and -1 (worst) for lose
//else if (win == WinState.BLACKWIN && Game1.AIColor == BoardState.BLACK)
else if (win == WinState.BLACKWIN && board.CurrentPlayer == BoardState.BLACK)
{
return(1f);
}
//else if (win == WinState.REDWIN && Game1.AIColor == BoardState.RED)
else if (win == WinState.REDWIN && board.CurrentPlayer == BoardState.RED)
{
return(1f);
}
else
{
return(-1f);
}
}
// if we have looked forward the maximum amount
// return the value of the move
if (depth == DEEPNESS)
{
// MCScore
int newStrength = Convert.ToInt32(Strength / ((double)Math.Pow(7, DEEPNESS)));
alg.SetStrength(newStrength);
return(alg.FindDeepValue(board, col));
}
//newBoard.MakeMove(col);
board.MakeMove(col);
// Get the possible moves for the newBoard (the next move would be players)
List <int> moves = board.FindMoves(); //newBoard.FindMoves();
// start looking into depther moves
float value = float.MinValue;
foreach (int col2 in moves)
{
value = Math.Max(value, -1f * FindValue(board, col2, depth + 1));
}
// remove the last move made so it doesnt stay permanent
board.Revert(col);
return(value);
}
