public char[] MinMax(char[] val, int depth, bool isOpening)
{
MiniMaxOpening m = new MiniMaxOpening();
MiniMaxGame mid = new MiniMaxGame();
if (depth > 0)
{
depth--;
List <char[]> blackChild = new List <char[]>();
char[] minValue = new char[43];
char[] maxValue;
blackChild = GenerateBlackMove(val, isOpening);
double v = Double.PositiveInfinity;
for (int ind = 0; ind < blackChild.Count; ind++)
{
maxValue = MaxMin(blackChild[ind], depth, isOpening);
double staticEstimate = isOpening ? m.StaticEstimationOpening(minValue) : mid.StaticEstimationMidEndGame(minValue, isOpening);
if (v > staticEstimate)
{
v = staticEstimate;
_MiniMaxEstimate = v;
minValue = blackChild[ind];
}
}
return(minValue);
}
else if (depth == 0)
{
_Positions_Evaluated++;
}
return(val);
}
public char[] MaxMin(char[] val, int depth, bool isOpening)
{
MiniMaxOpening m = new MiniMaxOpening();
MiniMaxGame mid = new MiniMaxGame();
if (depth > 0)
{
depth--;
List <char[]> child = new List <char[]>();
char[] minValue;
char[] maxValue = new char[43];
child = isOpening ? m.GenerateAdd(val) : mid.GenerateMovesMidgameEndgame(val); //so that midgame move and generate add are called by passing parameter from calling function
double v = Double.NegativeInfinity;
for (int ind = 0; ind < child.Count; ind++)
{
minValue = MinMax(child[ind], depth, isOpening);
double staticEstimate = isOpening ? m.StaticEstimationOpening(minValue) : mid.StaticEstimationMidEndGame(minValue, isOpening);
if (v < staticEstimate)
{
v = staticEstimate;
_MiniMaxEstimate = v;
maxValue = child[ind];
}
}
return(maxValue);
}
else if (depth == 0)
{
_Positions_Evaluated++;
}
return(val);
}
public List <char[]> GenerateBlackMove(char[] val, bool isOpening)
{
MiniMaxOpening m = new MiniMaxOpening();
MiniMaxGame mid = new MiniMaxGame();
char[] copyOfBoard = (char[])val.Clone();
for (int ind = 0; ind < copyOfBoard.Length; ind++)
{
if (copyOfBoard[ind] == 'W')
{
copyOfBoard[ind] = 'B';
continue;
}
if (copyOfBoard[ind] == 'B')
{
copyOfBoard[ind] = 'W';
}
}
List <char[]> blackMove = new List <char[]>();
List <char[]> blackMoveReplace = new List <char[]>();
blackMove = isOpening ? m.GenerateAdd(copyOfBoard) : mid.GenerateMovesMidgameEndgame(copyOfBoard);
foreach (char[] b in blackMove)
{
char[] board = b;
for (int i = 0; i < board.Length; i++)
{
if (board[i] == 'W')
{
board[i] = 'B';
continue;
}
if (board[i] == 'B')
{
board[i] = 'W';
}
}
blackMoveReplace.Add(b);
}
return(blackMoveReplace);
}
static void Main(string[] args)
{
while (true)
{
Console.WriteLine("Do you prefer Improved - I / Unimproved - U static estimation : (I/U)");
string isImproved = Console.ReadLine();
if (isImproved.ToUpper() == "U")
{
Console.WriteLine("Enter MiniMaxGame/MiniMaxGameBlack: (W/B)");
string gameType = Console.ReadLine();
if (gameType == "W")
{
Console.WriteLine("Enter the input file location : ");
string inputFile = Console.ReadLine();
Console.WriteLine("Enter the output file location : ");
string outputFile = Console.ReadLine();
Console.WriteLine("Enter depth : ");
int depth = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Is your game Opening or MidGame : (O/M) ");
string isOpeningInput = Console.ReadLine();
Console.WriteLine("MiniMax / AlphaBeta : (M/A) ");
string miniMaxOrAlphaBeta = Console.ReadLine();
try
{
using (StreamReader sr = new StreamReader(inputFile))
{
char[] inputPiecePosition = new char[50];
string wholeInput;
// read lines from the file
while ((wholeInput = sr.ReadLine()) != null)
{
inputPiecePosition = wholeInput.ToCharArray();
}
BoardCommon b = new BoardCommon();
MiniMaxOpening mOpen = new MiniMaxOpening();
ABOpening aBOpening = new ABOpening();
Console.WriteLine("Input Board Position " + new String(inputPiecePosition));
bool isOpening = isOpeningInput.ToUpper() == "O" ? true : false;
bool isMiniMax = miniMaxOrAlphaBeta.ToUpper() == "M" ? true : false;
char[] afterMiniMax = isMiniMax ? b.MaxMin(inputPiecePosition, depth, isOpening) : aBOpening.MaxMin(inputPiecePosition, depth, isOpening, Double.NegativeInfinity, Double.PositiveInfinity);
Console.WriteLine("New Board Position " + new String(afterMiniMax));
if (isMiniMax)
{
Console.WriteLine("Position evaluated " + b._Positions_Evaluated);
Console.WriteLine("Minimax Estimate " + b._MiniMaxEstimate);
using (StreamWriter file =
new StreamWriter(outputFile))
{
file.WriteLine("New Board Position " + new String(afterMiniMax));
file.WriteLine("Position evaluated " + b._Positions_Evaluated);
file.WriteLine("Minimax Estimate " + b._MiniMaxEstimate);
}
}
else
{
Console.WriteLine("Position evaluated " + aBOpening._ABPositions_Evaluated);
Console.WriteLine("Minimax Estimate " + aBOpening._ABMiniMaxEstimate);
using (StreamWriter file =
new StreamWriter(outputFile))
{
file.WriteLine("New Board Position " + new String(afterMiniMax));
file.WriteLine("Position evaluated " + aBOpening._ABPositions_Evaluated);
file.WriteLine("Minimax Estimate " + aBOpening._ABMiniMaxEstimate);
}
}
}
}
catch (Exception e)
{
Console.WriteLine("Exception Occured in Part 1");
}
Console.ReadLine();
}
else
{
try
{
Console.WriteLine("Is your game Opening or MidGame : (O/M) ");
string isOpeningInput = Console.ReadLine();
bool isOpening = isOpeningInput.ToUpper() == "O" ? true : false;
MiniMaxGameBlack miniMaxGameBlack = new MiniMaxGameBlack();
MiniMaxOpeningBlack miniMaxOpeningBlack = new MiniMaxOpeningBlack();
if (isOpening)
{
miniMaxOpeningBlack.MiniMaxOpeningForBlack();
}
else
{
miniMaxGameBlack.MiniMaxGameForBlack();
}
}
catch (Exception ee)
{
Console.WriteLine("Exception Occured in MiniMax Black");
}
}
}
else
{
try
{
Console.WriteLine("Is your game Opening or MidGame : (O/M)");
string isOpeningInput = Console.ReadLine();
if (isOpeningInput.ToUpper() == "O")
{
MiniMaxOpeningImproved miniMaxOpeningImproved = new MiniMaxOpeningImproved();
miniMaxOpeningImproved.MiniMaxOpeningForImproved();
}
else
{
MiniMaxGameImproved miniMaxGameImproved = new MiniMaxGameImproved();
miniMaxGameImproved.MiniMaxGameForImproved();
}
}
catch (Exception ee)
{
Console.WriteLine("Exception Occured in MiniMax Improveds");
}
}
}
}