public Grid()
{
this.Cells = new List<Cell>();
for (int rowIndex = 0; rowIndex <= LIMIT; rowIndex++)
{
for (int colIndex = 0; colIndex <= LIMIT; colIndex++)
{
Cell cell = new Cell(string.Format("{0}{1}", rowIndex, colIndex));
cell.CellOccupied += CheckIfPlayerWon;
cell.CellOccupied += CheckIfGridFilled;
this.Cells.Add(cell);
}
}
}
public void SetUp()
{
topLeft = new Cell();
topMiddle = new Cell();
topRight = new Cell();
middleLeft = new Cell();
middleMiddle = new Cell();
middleRight = new Cell();
bottomLeft = new Cell();
bottomMiddle = new Cell();
bottomRight = new Cell();
var cells = new List<Cell>{topLeft, topMiddle, topRight, middleLeft, middleMiddle, middleRight, bottomLeft, bottomMiddle, bottomRight};
board = new Board(cells);
}
public void ResetGame(bool firstTime, bool resetScore)
{
playingState = PlayingState.FirstPlayerTurn;
for (int x = 0; x < 7; x++)
{
for (int y = 0; y < 6; y++)
{
cells[y * 7 + x] = new Cell(x, y, Cell.Type.Empty);
}
}
if (!firstTime)
{
CalculateSizes(new Vector2(0, 0), new Vector2(Game1.G.graphics.PreferredBackBufferWidth,
Game1.G.graphics.PreferredBackBufferHeight));
}
if (resetScore)
{
firstWins = 0; secondWins = 0;
}
}
private bool IsOnDiagnol(Cell cell)
{
return (cell.Position.X + cell.Position.Y == 0 || cell.Position.X + cell.Position.Y == LIMIT || cell.Position.X + cell.Position.Y == 2 * LIMIT);
}
public void AddCell(Cell selectedCell)
{
this.SelectedCells.Add(selectedCell);
}
public void Update()
{
backButton.Update();
againButton.Update();
if (playingState == PlayingState.FirstPlayerTurn || playingState == PlayingState.SecondPlayerTurn)
{
// Update falling cell Y and check for win
if (fallingCell != null)
{
fallingCell.Y += 0.1f;
if (Math.Abs(fallingCell.Y % 1f) < 0.1f)
{
int currentCell = (int)fallingCell.Y * 7 + (int)fallingCell.X;
int bottomCell = (int)(fallingCell.Y + 1) * 7 + (int)fallingCell.X;
if (bottomCell >= 42 || cells[bottomCell].type != Cell.Type.Empty)
{
cells[currentCell].type = fallingCell.type;
cells[currentCell].CalculateSizes(backX, backY, backWidth, backHeight, cellSize);
fallingCell = null;
CheckForWin(cells[currentCell]);
}
}
if (fallingCell != null)
{
fallingCell.CalculateSizes(backX, backY, backWidth, backHeight, cellSize);
}
}
// Create falling cell when clicking
var mState = Mouse.GetState();
if (!clicking && fallingCell == null && mState.LeftButton == ButtonState.Pressed &&
mState.X > backX && mState.X < backX + backWidth &&
mState.Y > backY && mState.Y < backY + backHeight)
{
int clickingColumn_ = -1;
for (int i = 0; i < 7; i++)
{
int x = backX + cellSize * i + (int)((backWidth - 7 * cellSize) / 7 * (i + 0.25f));
if (mState.X >= x && mState.X <= x + cellSize)
{
clickingColumn_ = i;
}
}
if (clickingColumn_ >= 0)
{
clicking = true;
clickingColumn = clickingColumn_;
}
}
else if (clicking && fallingCell == null && mState.LeftButton == ButtonState.Released &&
mState.X > backX && mState.X < backX + backWidth &&
mState.Y > backY && mState.Y < backY + backHeight)
{
int clickingColumn_ = -1;
for (int i = 0; i < 7; i++)
{
int x = backX + cellSize * i + (int)((backWidth - 7 * cellSize) / 7 * (i + 0.25f));
if (mState.X >= x && mState.X <= x + cellSize)
{
clickingColumn_ = i;
}
}
if (clickingColumn_ == clickingColumn)
{
clicking = false;
fallingCell = new Cell(clickingColumn, -1, playingState == PlayingState.FirstPlayerTurn ?
Cell.Type.FirstPlayer : Cell.Type.SecondPlayer);
fallingCell.CalculateSizes(backX, backY, backWidth, backHeight, cellSize);
clickingColumn = -1;
}
}
}
}
protected void EndCheck(Cell cell, bool win)
{
if (cell.type == Cell.Type.FirstPlayer)
{
if (win)
{
playingState = PlayingState.FirstPlayerWin;
firstWins++;
}
else if (!win && cells.All(x => x.type != Cell.Type.Empty))
playingState = PlayingState.DrawGame;
else
playingState = PlayingState.SecondPlayerTurn;
}
else
{
if (win)
{
playingState = PlayingState.SecondPlayerWin;
secondWins++;
}
else if (!win && cells.All(x => x.type != Cell.Type.Empty))
playingState = PlayingState.DrawGame;
else
playingState = PlayingState.FirstPlayerTurn;
}
}
protected void CheckForWin(Cell cell)
{
bool win = false;
// Horizontal check
for (int x = 0; x < 7; x++)
{
if (cells[(int)cell.Y * 7 + x].type == cell.type)
{
int matchingCells = 1;
firstWinCell = (int)cell.Y * 7 + x;
x++;
while (x < 7 && cells[(int)cell.Y * 7 + x].type == cell.type)
{
matchingCells++;
x++;
}
if (matchingCells >= 4)
{
endWinCell = (int)cell.Y * 7 + x - 1;
win = true;
EndCheck(cell, win);
return;
}
}
}
// Vertical check
for (int y = 0; y < 6; y++)
{
if (cells[y * 7 + (int)cell.X].type == cell.type)
{
int matchingCells = 1;
firstWinCell = y * 7 + (int)cell.X;
y++;
while (y < 6 && cells[y * 7 + (int)cell.X].type == cell.type)
{
matchingCells++;
y++;
}
if (matchingCells >= 4)
{
endWinCell = (y - 1) * 7 + (int)cell.X;
win = true;
EndCheck(cell, win);
return;
}
}
}
// Diagonal check 1
int startX = (int)cell.X, startY = (int)cell.Y;
while (startX > 0 && startY < 5)
{
startX--;
startY++;
}
for (int x = startX; x <= 6; x++)
{
for (int y = startY; y >= 0; y--)
{
if (x <= 6 && y >= 0 && cells[y * 7 + x].type == cell.type)
{
int matchingCells = 1;
firstWinCell = y * 7 + x;
x++;
y--;
while (x <= 6 && y >= 0 && cells[y * 7 + x].type == cell.type)
{
matchingCells++;
x++;
y--;
}
if (matchingCells >= 4)
{
endWinCell = (y + 1) * 7 + x - 1;
win = true;
EndCheck(cell, win);
return;
}
}
}
}
// Diagonal check 2
startX = (int)cell.X; startY = (int)cell.Y;
while (startX < 6 && startY < 5)
{
startX++;
startY++;
}
for (int x = startX; x >= 0; x--)
{
for (int y = startY; y >= 0; y--)
{
if (x >= 0 && y >= 0 && cells[y * 7 + x].type == cell.type)
{
int matchingCells = 1;
firstWinCell = y * 7 + x;
x--;
y--;
while (x >= 0 && y >= 0 && cells[y * 7 + x].type == cell.type)
{
matchingCells++;
x--;
y--;
}
if (matchingCells >= 4)
{
endWinCell = (y + 1) * 7 + x + 1;
win = true;
EndCheck(cell, win);
return;
}
}
}
}
EndCheck(cell, win);
}
bool checkStep(Cell cell, ECellType type)
{
if (cell.state == ECellType.Empty && type != ECellType.Empty)
return true;
return false;
}
protected void MakeMove(Point? point = null)
{
var oldCurrentPoint = currentPoint;
currentPoint = point.GetValueOrDefault(currentPoint);
if( field[currentPoint.X, currentPoint.Y] == Cell.Empty )
{
field[currentPoint.X, currentPoint.Y] = turn;
if( ! CheckGameOver() )
{
var oldTurn = turn;
turn = (oldTurn == Cell.Cross) ? Cell.Nought : Cell.Cross;
Emit(OnTurnChanged, this, turn, oldTurn);
}
Invalidate();
}
currentPoint = oldCurrentPoint;
}
public void PrepareField()
{
currentPoint = new Point(1,1);
for(int i = 0; i < 3; ++i)
for(int j = 0; j < 3; ++j)
field[i,j] = Cell.Empty;
turn = Cell.Cross;
Emit(OnTurnChanged, this, turn, Cell.Empty);
Invalidate();
}
public void Play(Cell cell)
{
myCells.Contains(cell);
}
private void SelectCell(Point clickedPosition)
{
Button buttonClicked = _cellMap[clickedPosition];
AdjustDisplay(buttonClicked);
_actedCell = _grid.GetCell(clickedPosition);
AssignPlayerToCell();
}
public void Test_That_Does_Not_Throw_When_Valid_Coord_Is_Used(Cell cell)
{
Assert.DoesNotThrow(() => board.Play(cell));
}
