int MinValue(CheckerBoard currentBoard, int depth, int alpha, int beta, int currentPlayer)
{
if (_nodeGeneration % 10000 == 0 && _nodeGeneration != 0)
{
Console.WriteLine("Max Depth: {0}", _maxDepth);
Console.WriteLine("# of Pruning in Max: {0}", _maxPruning);
Console.WriteLine("# of Pruning in Min: {0}", _minPruning);
Console.WriteLine("# of Node Generated: {0}", _nodeGeneration);
Console.WriteLine("Time Elapsed: {0}", TimeElapsed);
}
CheckerStatus status = currentBoard.GetStatus(_currentTurn);
if (status != CheckerStatus.Continue)
{
return((int)status);
}
_maxDepth = Math.Max(_maxDepth, depth);
if (depth == Difficulty)
{
return(currentBoard.EvaluateBoard(_currentTurn));
}
int v = 999;
//For each movable piece
for (var i = 0; i < currentBoard.MovablePieces[currentPlayer].Count(); i++)
{
//for each possible positions that the piece can go
for (var j = 0; j < currentBoard.MoveDict[currentBoard.MovablePieces[currentPlayer][i]].Count(); j++)
{
_nodeGeneration++;
//For each possible move make a new checkerboard and move it
var newCheckerBoard = new CheckerBoard(currentBoard);
var selectedPiece = newCheckerBoard.GetCheckerPiece(currentBoard.MovablePieces[currentPlayer][i].Row, currentBoard.MovablePieces[currentPlayer][i].Col);
newCheckerBoard.SelectedPiece = selectedPiece;
newCheckerBoard.HandleMove(currentBoard.MoveDict[currentBoard.MovablePieces[currentPlayer][i]][j]);
newCheckerBoard.CheckAllAvailableMoves();
int nextTurn = newCheckerBoard.AINextTurn(currentPlayer);
v = Math.Min(v, MaxValue(newCheckerBoard, depth + 1, alpha, beta, nextTurn));
//pruning
if (v <= alpha)
{
_minPruning++;
return(v);
}
if (v < beta)
{
beta = v;
if (currentBoard == _checkerBoard)
{
_bestMoveSet = currentBoard.MoveDict[currentBoard.MovablePieces[currentPlayer][i]][j];
_bestPiece = currentBoard.MovablePieces[currentPlayer][i];
}
}
}
}
return(v);
}
int MinValue(CheckerBoard currentBoard, int depth, int alpha, int beta, int currentPlayer)
{
if (_nodeGeneration % 10000 == 0 && _nodeGeneration != 0)
{
Console.WriteLine("Max Depth: {0}", _maxDepth);
Console.WriteLine("# of Pruning in Max: {0}", _maxPruning);
Console.WriteLine("# of Pruning in Min: {0}", _minPruning);
Console.WriteLine("# of Node Generated: {0}", _nodeGeneration);
Console.WriteLine("Time Elapsed: {0}", TimeElapsed);
}
CheckerStatus status = currentBoard.GetStatus(_currentTurn);
if (status != CheckerStatus.Continue)
{
return (int) status;
}
_maxDepth = Math.Max(_maxDepth, depth);
if (depth == Difficulty )
return currentBoard.EvaluateBoard(_currentTurn);
int v = 999;
//For each movable piece
for (var i = 0; i < currentBoard.MovablePieces[currentPlayer].Count(); i++)
{
//for each possible positions that the piece can go
for (var j = 0; j < currentBoard.MoveDict[currentBoard.MovablePieces[currentPlayer][i]].Count(); j++)
{
_nodeGeneration++;
//For each possible move make a new checkerboard and move it
var newCheckerBoard = new CheckerBoard(currentBoard);
var selectedPiece = newCheckerBoard.GetCheckerPiece(currentBoard.MovablePieces[currentPlayer][i].Row, currentBoard.MovablePieces[currentPlayer][i].Col);
newCheckerBoard.SelectedPiece = selectedPiece;
newCheckerBoard.HandleMove(currentBoard.MoveDict[currentBoard.MovablePieces[currentPlayer][i]][j]);
newCheckerBoard.CheckAllAvailableMoves();
int nextTurn = newCheckerBoard.AINextTurn(currentPlayer);
v = Math.Min(v, MaxValue(newCheckerBoard, depth + 1, alpha, beta, nextTurn));
//pruning
if (v <= alpha)
{
_minPruning++;
return v;
}
if (v < beta)
{
beta = v;
if (currentBoard == _checkerBoard)
{
_bestMoveSet = currentBoard.MoveDict[currentBoard.MovablePieces[currentPlayer][i]][j];
_bestPiece = currentBoard.MovablePieces[currentPlayer][i];
}
}
}
}
return v;
}
//Gets the Max Value
int MaxValue(CheckerBoard currentBoard, int depth, int alpha, int beta, int currentPlayer)
{
if (_nodeGeneration % 10000 == 0 && _nodeGeneration != 0)
{
Console.WriteLine("Max Depth: {0}", _maxDepth);
Console.WriteLine("# of Pruning in Max: {0}", _maxPruning);
Console.WriteLine("# of Pruning in Min: {0}", _minPruning);
Console.WriteLine("# of Node Generated: {0}", _nodeGeneration);
Console.WriteLine("Time Elapsed: {0}", TimeElapsed);
}
//Checks to see if it is a utility value
CheckerStatus status = currentBoard.GetStatus(_currentTurn);
//If it is return the value
if (status != CheckerStatus.Continue)
{
return((int)status);
}
_maxDepth = Math.Max(_maxDepth, depth);
//Depth Limiter
if (depth == Difficulty)
{
return(currentBoard.EvaluateBoard(_currentTurn));
}
var v = -999;
//Iterate through every movable pieces
for (var i = 0; i < currentBoard.MovablePieces[currentPlayer].Count(); i++)
{
//Iterate through every possible move for the selected piece
for (var j = 0; j < currentBoard.MoveDict[currentBoard.MovablePieces[currentPlayer][i]].Count(); j++)
{
//Increment node counter
_nodeGeneration++;
//For each possible move make a new checkerboard and move it
var newCheckerBoard = new CheckerBoard(currentBoard);
//Select the piece that will be moved
var selectedPiece = newCheckerBoard.GetCheckerPiece(currentBoard.MovablePieces[currentPlayer][i].Row, currentBoard.MovablePieces[currentPlayer][i].Col);
newCheckerBoard.SelectedPiece = selectedPiece;
//Move the piece to a piece location
newCheckerBoard.HandleMove(currentBoard.MoveDict[currentBoard.MovablePieces[currentPlayer][i]][j]);
newCheckerBoard.CheckAllAvailableMoves();
var nextTurn = newCheckerBoard.AINextTurn(currentPlayer);
v = Math.Max(v, MinValue(newCheckerBoard, depth + 1, alpha, beta, nextTurn));
if (v >= beta)
{
_maxPruning++;
return(v);
}
if (v > alpha)
{
alpha = v;
if (currentBoard == _checkerBoard)
{
_bestMoveSet = currentBoard.MoveDict[currentBoard.MovablePieces[currentPlayer][i]][j];
_bestPiece = currentBoard.MovablePieces[currentPlayer][i];
}
}
}
}
return(v);
}
//Gets the Max Value
int MaxValue(CheckerBoard currentBoard, int depth, int alpha, int beta, int currentPlayer)
{
if (_nodeGeneration % 10000 == 0 && _nodeGeneration !=0)
{
Console.WriteLine("Max Depth: {0}", _maxDepth);
Console.WriteLine("# of Pruning in Max: {0}", _maxPruning);
Console.WriteLine("# of Pruning in Min: {0}", _minPruning);
Console.WriteLine("# of Node Generated: {0}", _nodeGeneration);
Console.WriteLine("Time Elapsed: {0}", TimeElapsed);
}
//Checks to see if it is a utility value
CheckerStatus status = currentBoard.GetStatus(_currentTurn);
//If it is return the value
if (status != CheckerStatus.Continue)
{
return (int) status;
}
_maxDepth = Math.Max(_maxDepth, depth);
//Depth Limiter
if (depth == Difficulty )
return currentBoard.EvaluateBoard(_currentTurn);
var v = -999;
//Iterate through every movable pieces
for (var i = 0; i < currentBoard.MovablePieces[currentPlayer].Count(); i++)
{
//Iterate through every possible move for the selected piece
for (var j = 0; j < currentBoard.MoveDict[currentBoard.MovablePieces[currentPlayer][i]].Count(); j++)
{
//Increment node counter
_nodeGeneration++;
//For each possible move make a new checkerboard and move it
var newCheckerBoard = new CheckerBoard(currentBoard);
//Select the piece that will be moved
var selectedPiece = newCheckerBoard.GetCheckerPiece(currentBoard.MovablePieces[currentPlayer][i].Row, currentBoard.MovablePieces[currentPlayer][i].Col);
newCheckerBoard.SelectedPiece = selectedPiece;
//Move the piece to a piece location
newCheckerBoard.HandleMove(currentBoard.MoveDict[currentBoard.MovablePieces[currentPlayer][i]][j]);
newCheckerBoard.CheckAllAvailableMoves();
var nextTurn = newCheckerBoard.AINextTurn(currentPlayer);
v = Math.Max(v, MinValue(newCheckerBoard, depth + 1, alpha, beta, nextTurn));
if (v >= beta)
{
_maxPruning++;
return v;
}
if (v > alpha)
{
alpha = v;
if (currentBoard == _checkerBoard)
{
_bestMoveSet = currentBoard.MoveDict[currentBoard.MovablePieces[currentPlayer][i]][j];
_bestPiece = currentBoard.MovablePieces[currentPlayer][i];
}
}
}
}
return v;
}
