// Constructors.
public MinMaxDecision(Object obj, MiniMax type)
: base(obj)
{
value = 0;
this.type = type;
}
// Use this for initialization
void Start()
{
board = new PieceColor[, ] {
{ PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null },
{ PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null },
{ PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null },
{ PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.White, PieceColor.Black, PieceColor.Null, PieceColor.Null, PieceColor.Null },
{ PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Black, PieceColor.White, PieceColor.Null, PieceColor.Null, PieceColor.Null },
{ PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null },
{ PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null },
{ PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null, PieceColor.Null }
};
boardObjects = new GameObject[, ] {
{ null, null, null, null, null, null, null, null },
{ null, null, null, null, null, null, null, null },
{ null, null, null, null, null, null, null, null },
{ null, null, null, null, null, null, null, null },
{ null, null, null, null, null, null, null, null },
{ null, null, null, null, null, null, null, null },
{ null, null, null, null, null, null, null, null },
{ null, null, null, null, null, null, null, null }
};
for (int j = 0; j <= BOARD_SIZE; j++)
{
for (int i = 0; i <= BOARD_SIZE; i++)
{
if (board[i, j] == PieceColor.Black)
{
boardObjects[i, j] = (GameObject)Instantiate(blackPiece, new Vector3(i, 1, j), Quaternion.identity);
blackScore++;
//print (i + ", " + j);
}
else if (board[i, j] == PieceColor.White)
{
boardObjects[i, j] = (GameObject)Instantiate(whitePiece, new Vector3(i, 1, j), Quaternion.identity);
whiteScore++;
}
}
}
/*
* for (int j = 0; j < BOARD_SIZE; j++) {
* for (int i = 0; i < BOARD_SIZE; i++) {
* if (isValidMove(i, j)) {
* Instantiate(blackPiece, new Vector3(i, 1, j), Quaternion.identity);
* }
* }
* }
*/
currentTurn = turn.player;
currentState = gameState.Menu;
playingCanvas.SetActive(false);
endCanvas.SetActive(false);
AIscript = GetComponent <MiniMax>();
}
public MoveScenarios GetBestMove(Board board, int maxDepth, int secTimeout)
{
MiniMax miniMax = new MiniMax(maxDepth);
WorkerManager workerManager = WorkerManager.getInstance();
if (workerManager.getWorkersCount() == 0)
{
return(miniMax.getBestMove(board, secTimeout));
}
int maxColor = board.CurrentColor;
MoveContext rootContext = new MoveContext(board, null, null, 0, null, true);
Stack <MoveContext> mainStack = new Stack <MoveContext>();
Stack <MoveContext> childsStack = new Stack <MoveContext>();
List <MoveContext> contextList = new List <MoveContext>();
int generatedChilds = miniMax.generateMoveContext(rootContext, workerManager.getWorkersCount(), contextList);
if (generatedChilds == 0)
{
return(null);
}
else if (generatedChilds == 1)
{
rootContext = contextList[0];
miniMax.resolve(contextList[0].ChildsContext, maxColor, maxDepth, secTimeout);
}
else if (generatedChilds <= -1)
{
foreach (MoveContext mc in contextList)
{
mainStack.Push(mc);
}
miniMax.resolve(mainStack, maxColor, 2, -1);
}
else
{
int i = 0;
for (; i < contextList.Count - generatedChilds; i++)
{
mainStack.Push(contextList[i]);
}
for (; i < contextList.Count; i++)
{
childsStack.Push(contextList[i]);
}
workerManager.setParameters(childsStack, mainStack, maxDepth, maxColor, secTimeout - 15);
workerManager.runWorkers();
workerManager.waitForWorkers();
childsStack.Clear();
miniMax.resolve(mainStack, maxColor, maxDepth, -1);
}
if (rootContext.BestValue != int.MinValue)
{
return(new MoveScenarios(rootContext.CurrPosition, rootContext.CurrMoveScenario));
}
return(new MiniMax(2).getBestMove(board, -1));
}
// method to actually executing a move in the game, separated from AIMove since the X player can also call it from GridSpace
public void MakeMove(string player, int move)
{
currentState = MiniMax.CalculateNewState(currentState, player, move);
}
public MultiThreadedAlgorithm(byte signInRowToWin)
{
this.signInRowToWin = signInRowToWin;
algorithm = new MiniMax(signInRowToWin);
}
/// <summary>
/// Private Constructor used to initialize child node
/// </summary>
/// <param name="currentColor"></param> ---> will switch color
/// <param name="pegBoard"></param>
/// <param name="diskBoard"></param>
/// <param name="minimaxValue"></param> ---> will switch min/max
/// <param name="to"></param>
/// <param name="from"></param>
/// <param name="levelInTree"></param>
/// <param name="aiColor"></param>
private TreeNode(Player.Color currentColor, PegBoard pegBoard, DiskBoard diskBoard, MiniMax minimaxValue, Pair to, Pair from, int levelInTree, Player.Color aiColor, int movesFromWin, int maxTreeDepth, double middlePegHeuristic)
{
this._pegBoard = pegBoard;
this._diskBoard = diskBoard;
this._moveMade = new PieceMove();
this._moveMade.to = to;
this._moveMade.from = from;
this._levelInTree = levelInTree;
this._aiColor = aiColor;
this._movesFromWin = movesFromWin - 1;
this._maxTreeDepth = maxTreeDepth;
this._middlePegHeuristic = middlePegHeuristic;
if (maxTreeDepth == 1)
{
this._difficultyLevel = Difficulty.Easy;
}
else if (maxTreeDepth == 3)
{
this._difficultyLevel = Difficulty.Medium;
}
else
{
this._difficultyLevel = Difficulty.Hard;
}
// Switch colors
if (currentColor == Player.Color.White)
{
this._currentColor = Player.Color.Black;
}
else
{
this._currentColor = Player.Color.White;
}
// Switch minimaxValue
if (minimaxValue == MiniMax.Max)
{
this._minimaxValue = MiniMax.Min;
}
else
{
this._minimaxValue = MiniMax.Max;
}
}