public void DoComputerMove(Player i_Player)
{
int numberOfMoves = m_listOfPossibleMoves.Count;
int newMove = m_RandomMoveForPC.Next(numberOfMoves);
drawPossibleMove(m_listOfPossibleMoves[newMove], i_Player);
UpdatePlayerScore(i_Player);
clearLastRoundPossibleMove(m_listOfPossibleMoves);
}
public eSystemReply CheckIfUserCanPlay(Player i_Player)
{
eSystemReply canPlay = eSystemReply.PlayerHasNoMoves;
List<PossibleMove?> listOfPossibleMovesForPlayer = GetPossibleMoves(i_Player);
// if there are possible moves then the user can play.
if (listOfPossibleMovesForPlayer.Count > 0)
{
canPlay = eSystemReply.PlayerCanMove;
m_listOfPossibleMoves = listOfPossibleMovesForPlayer;
}
return canPlay;
}
// initializes the board and players.
public void InitGame()
{
m_BlackPlayer = new Player(Color.Black);
m_WhitePlayer = new Player(Color.White);
m_CurrentPlayer = m_BlackPlayer;
m_BlackGamesScore = m_WhiteGamesScore = 0;
FormGameSettings formSettings = new FormGameSettings();
formSettings.ShowDialog();
if (formSettings.DialogResult == DialogResult.OK)
{
if (formSettings.IsAgainstComputer)
{
m_WhitePlayer.IsComputer = true;
}
m_CurrentGame = new GameEngine(formSettings.BoardSize);
m_GameUI = new GameForm(formSettings.BoardSize, this);
m_CurrentGame.InitNewGame();
startGame();
}
}
private void switchPlayer(Player i_Player)
{
if (i_Player == m_BlackPlayer)
{
m_CurrentPlayer = m_WhitePlayer;
}
else
{
m_CurrentPlayer = m_BlackPlayer;
}
}
private void anotherRound()
{
m_CurrentGame.RestartGame();
m_CurrentPlayer = m_BlackPlayer;
List<PossibleMove?> possibleMoves = m_CurrentGame.GetPossibleMoves(m_CurrentPlayer);
m_CurrentGame.UpdateCellsForPossibleMoves(possibleMoves);
}
// Get the list of the possible moves in the board for a player
public List<PossibleMove?> GetPossibleMoves(Player i_Player)
{
List<int[]> playerCells = getPlayerCellsInBoard(i_Player);
List<eDirection> listOfDirectionsForPossibleMoves = new List<eDirection>();
List<PossibleMove?> listOfPossibleMoves = new List<PossibleMove?>();
bool searchInDirection = false;
foreach (int[] xyCoord in playerCells)
{
// Now we need to check all the directions with opponent sign in them
foreach (string str in Enum.GetNames(typeof(eDirection)))
{
eDirection direction = (eDirection)System.Enum.Parse(typeof(eDirection), str);
searchInDirection = checkCellInDirection(xyCoord[k_XCoord], xyCoord[k_YCoord], (eDirection)direction, i_Player.GetOpponentSign());
if (searchInDirection)
{
listOfDirectionsForPossibleMoves.Add(direction);
}
}
// For each direction with opponent we need to check if there is a possible move in the direction
foreach (eDirection direction in listOfDirectionsForPossibleMoves)
{
PossibleMove? newMove = getPossibleCellFromDirection(xyCoord[k_XCoord], xyCoord[k_YCoord], direction, i_Player);
addLocationToCell(newMove, ref listOfPossibleMoves);
}
// every new position we check we clear the list
listOfDirectionsForPossibleMoves.Clear();
}
m_listOfPossibleMoves = listOfPossibleMoves;
return listOfPossibleMoves;
}
// Get all empty cells in the board
private List<int[]> getPlayerCellsInBoard(Player i_Player)
{
List<int[]> allPlayerCellsInBoard = new List<int[]>();
int[] cellCoordinates;
int boardSize = m_Board.Size;
for (int row = 0; row < boardSize; row++)
{
for (int colomn = 0; colomn < boardSize; colomn++)
{
if (m_Board[row, colomn].Color == i_Player.Color)
{
cellCoordinates = new int[k_XYCoord];
cellCoordinates[k_XCoord] = row;
cellCoordinates[k_YCoord] = colomn;
allPlayerCellsInBoard.Add(cellCoordinates);
}
}
}
return allPlayerCellsInBoard;
}
// Get a possible move from cell to direction
private PossibleMove? getPossibleCellFromDirection(int i_XCoord, int i_YCoord, eDirection i_Direction, Player i_Player)
{
int boardRow = 0, boardCol = 0;
PossibleMove? possibleMove = null;
bool foundSpaceToPlaceNewMove = false;
bool inBoundsOfBoard = true;
getDirectionRowAndColumn(ref boardRow, ref boardCol, i_Direction);
// we want to search for an empty spot because we know theres already an opponent sign near us
while (!foundSpaceToPlaceNewMove && inBoundsOfBoard)
{
i_XCoord += boardRow;
i_YCoord += boardCol;
// Checks if coordinates still in bound of the board
inBoundsOfBoard = m_Board.IsCoordinatesInBounds(i_XCoord, i_YCoord);
if (!inBoundsOfBoard)
{
break;
}
else if (m_Board[i_XCoord, i_YCoord].Color == i_Player.Color)
{
break;
}
else if (m_Board[i_XCoord, i_YCoord].Color == Color.Empty || m_Board[i_XCoord, i_YCoord].Color == Color.Gray)
{
foundSpaceToPlaceNewMove = true;
}
}
// if we found a new place, create a new coordinate array and return it
if (foundSpaceToPlaceNewMove)
{
possibleMove = new PossibleMove(i_XCoord, i_YCoord, getOppositeDirection(i_Direction));
}
return possibleMove;
}
// Draw a move of a player
private void drawPossibleMove(PossibleMove? i_PossibleMove, Player i_Player)
{
if (i_PossibleMove != null)
{
// Drawing line for each direction in the possible move and update the board
string[] directionsStringArray = i_PossibleMove.Value.Direction.ToString().Split(new[] { ", " }, StringSplitOptions.None);
foreach (string directionStr in directionsStringArray)
{
eDirection direction = (eDirection)System.Enum.Parse(typeof(eDirection), directionStr);
drawLineFromCellInDirection(i_PossibleMove.Value.X, i_PossibleMove.Value.Y, direction, i_Player);
}
}
}
private void drawLineFromCellInDirection(int i_X, int i_Y, eDirection i_Direction, Player i_Player)
{
int rowDirection = 0, columnDirection = 0;
m_Board.UpdateCell(i_X, i_Y, i_Player.Color);
getDirectionRowAndColumn(ref rowDirection, ref columnDirection, i_Direction);
do
{
i_X += rowDirection;
i_Y += columnDirection;
if (m_Board.IsCoordinatesInBounds(i_X + rowDirection, i_Y + columnDirection))
{
m_Board.UpdateCell(i_X, i_Y, i_Player.Color);
}
} while (m_Board.IsCoordinatesInBounds(i_X + rowDirection, i_Y + columnDirection) && m_Board[i_X + rowDirection, i_Y + columnDirection].Color != i_Player.Color);
}
private eSystemReply doPlayerMoveWithXY(int i_X, int i_Y, Player i_Player)
{
eSystemReply checkMoveReply = eSystemReply.ValidMove;
bool playerCanMove = false;
// Checks if the input is in the possible move list
foreach (PossibleMove? move in m_listOfPossibleMoves)
{
// If it's in the list, it's a valid move
if (move.Value.isEqualToPoisition(i_X, i_Y))
{
playerCanMove = true;
drawPossibleMove(move, i_Player);
}
}
if (playerCanMove == false)
{
checkMoveReply = eSystemReply.ErrorBadLogicInput;
}
return checkMoveReply;
}
public void UpdatePlayerScore(Player i_Player)
{
List<int[]> playerCellsInBoard = getPlayerCellsInBoard(i_Player);
i_Player.Score = playerCellsInBoard.Count;
}
// Holds the move of the player
public eSystemReply Move(int i_X, int i_Y, Player i_Player)
{
if (i_Player.IsComputer)
{
DoComputerMove(i_Player);
}
eSystemReply moveReply = eSystemReply.ValidMove;
moveReply = doPlayerMoveWithXY(i_X, i_Y, i_Player);
if (moveReply == eSystemReply.ValidMove)
{
UpdatePlayerScore(i_Player);
clearLastRoundPossibleMove(m_listOfPossibleMoves);
}
return moveReply;
}