//Constructor for making a new board
public TTTBoard(int lengthOfBoard, int winAmnt)
{
amountForWin = winAmnt;
boardLength = lengthOfBoard;
board = new TTTSquare[boardLength][];
//List of random priorities to distribute to the board squares
List <int> randomPriorities = new List <int>();
for (int i = 0; i < boardLength * boardLength; ++i)
{
randomPriorities.Add(i);
}
//initializing an array of arrays
for (int i = 0; i < boardLength; ++i)
{
board[i] = new TTTSquare[boardLength];
for (int j = 0; j < boardLength; ++j)
{
//Priorities are randomly given to allow for greater board diversity
//Each priority is a unique number from 0-8
int priority = randomPriorities[Random.Range(0, randomPriorities.Count)];
board[i][j] = new TTTSquare(priority);
randomPriorities.Remove(priority);
}
}
availableMoves = lengthOfBoard * lengthOfBoard;
SetWinConditions();
SetSymmetries();
}
//for creating duplicates
public TTTSquare(TTTSquare duplicateSquare)
{
state = duplicateSquare.state;
priority = duplicateSquare.priority;
affectedConditions = new List <TTTWinCondition>();
symmetries = new List <TTTIndividualSymmetry>();
}
//Add a physical playing piece to the board. Also checks if a piece already existed there.
public void PlaceOnSquare(AbstractPlayer ap)
{
if (MainGame.currentPlayer != ap)
{
ap.lastValidity = MoveValidity.NOT_YOUR_TURN;
return;
}
//Size of board - to account for modularity.
int bSize = MainGame.gameBoard.boardLength;
TTT.TTTSquare selectedSquare = MainGame.gameBoard.board[MySquareNumber / bSize][MySquareNumber % bSize];
//Determines legality of move.
//Ordinarily you'd deny the player to move illegally, but I found it more fun to let it happen
//The game halts if you attempt an illegal move, and the AI throws a table
bool legal = (selectedSquare.state == TTT.SquareState.Empty);
//Uses the clickable square's number to find its location on the abstract game board, and set its state to X or O
MainGame.gameBoard.SetSquareState(new Vector2Int(MySquareNumber / bSize, MySquareNumber % bSize), ap.playingAs);
//Instantiate piece on the board square you click on. y value adjusts according to if a piece already exists, to avoid Z fighting.
//Pieces are offset slightly on the X and Z axes, to add better feel to the game
GamePiece newPiece = Instantiate(ap.piece, transform.position + new Vector3(Random.Range(-moveSpread, moveSpread), myPieces.Count * 0.03f, Random.Range(-moveSpread, moveSpread)), transform.rotation);
FlippableSymbol flippable = newPiece.GetComponent <FlippableSymbol>();
newPiece.SetPlaced();
//Set the flippable object as 'placed' on the board, so it can be flipped later
if (flippable != null)
{
flippable.placed = true;
}
myPieces.Add(newPiece);
//inform player of legality
if (legal)
{
ap.lastValidity = MoveValidity.LEGAL;
}
else
{
ap.lastValidity = MoveValidity.SQUARE_ALREADY_OCCUPIED;
}
}
//Constructor to duplicate boards, such that the AI does not modify the existing board
public TTTBoard(TTTBoard toDuplicate)
{
amountForWin = toDuplicate.amountForWin;
boardLength = toDuplicate.boardLength;
board = new TTTSquare[toDuplicate.board.Length][];
//Sets the board squares to be the same as the previous board
for (int i = 0; i < boardLength; ++i)
{
board[i] = new TTTSquare[boardLength];
for (int j = 0; j < boardLength; ++j)
{
board[i][j] = new TTTSquare(toDuplicate.board[i][j]);
}
}
availableMoves = toDuplicate.availableMoves;
SetWinConditions();
SetSymmetries();
}
//Upon adding a square to check, it also tells the square to add itself to that square's affectedConditions list
public void AddCheck(TTTSquare square)
{
checks.Add(square);
square.affectedConditions.Add(this);
amountPer[square.state] += 1;
}