public void Update(float deltaTime)
{
if (_pauseBlinkAccumulatedTime < 500f)
{
_pauseBlinkAccumulatedTime += deltaTime;
}
else
{
_pauseBlinkAccumulatedTime = 0;
_pauseBlink = !_pauseBlink;
}
if (_gameOverBlinkAccumulatedTime < 500f)
{
_gameOverBlinkAccumulatedTime += deltaTime;
}
else
{
_gameOverBlinkAccumulatedTime = 0;
_gameOverBlink = !_gameOverBlink;
}
if (Paused)
{
return;
}
if (TetrisStatictics.GameOver)
{
return;
}
if (!ActiveTetromino.Active)
{
CheckForTetris();
AddNextTetromino();
return;
}
int level = 5 * TetrisStatictics.Level;
if (level < 999)
{
level = 999;
}
if (_accumulatedTime < level)
{
_accumulatedTime += deltaTime;
return;
}
ActiveTetromino.Down();
_accumulatedTime = 0;
}
/// <summary>
/// Moves the active tetromino one down if it is possible.
/// </summary>
public void MoveActiveTetrominoOneDownIfPossible()
{
if (!Paused)
{
MovingTetrominoMutex.WaitOne();
if (ActiveTetromino != null)
{
ActiveTetromino.MoveDownIfPossible(Fieldgrid);
}
MovingTetrominoMutex.ReleaseMutex();
}
}
/// <summary>
/// Drops the active tetromino all the way down and locks it in place.
/// </summary>
public void DropActiveTetromino()
{
if (!Paused)
{
MovingTetrominoMutex.WaitOne();
if (ActiveTetromino != null)
{
ActiveTetromino.DropDown(Fieldgrid);
}
MovingTetrominoMutex.ReleaseMutex();
}
}
/// <summary>
/// Rotates the active tetromino to the left if it is possible.
/// </summary>
public void RotatActiveTetrominoToTheLeftIfPossible()
{
if (!Paused)
{
MovingTetrominoMutex.WaitOne();
if (ActiveTetromino != null)
{
ActiveTetromino.RotateLeftIfPossible(Fieldgrid);
}
MovingTetrominoMutex.ReleaseMutex();
}
}
private void RenderTetrisCanvas(Graphics graphics)
{
for (int x = 0; x < LevelSize.Width; x++)
{
for (int y = 0; y < LevelSize.Height; y++)
{
int xPosition = (x * TetrominoDrawing.SQUARE_SIZE) + TetrisLevel.XMARGIN;
int yPosition = (y * TetrominoDrawing.SQUARE_SIZE) + TetrisLevel.YMARGIN;
TetrominoDrawing tetrominoDrawing = TetrominoDrawing.GetTetrominoColors(LevelMatrix[y][x]);
graphics.FillRectangle(new SolidBrush(tetrominoDrawing.FillColor),
new Rectangle(xPosition, yPosition, TetrominoDrawing.SQUARE_SIZE, TetrominoDrawing.SQUARE_SIZE));
graphics.DrawRectangle(new Pen(tetrominoDrawing.BorderColor, TetrominoDrawing.SQUARE_BORDER),
new Rectangle(xPosition, yPosition, TetrominoDrawing.SQUARE_SIZE, TetrominoDrawing.SQUARE_SIZE));
}
}
for (int x = 0; x < LevelSize.Width; x++)
{
for (int y = 0; y < LevelSize.Height; y++)
{
if (LevelMatrix[y][x] == TetrominoType.Empty)
{
continue;
}
int xPosition = (x * TetrominoDrawing.SQUARE_SIZE) + TetrisLevel.XMARGIN;
int yPosition = (y * TetrominoDrawing.SQUARE_SIZE) + TetrisLevel.YMARGIN;
TetrominoDrawing tetrominoDrawing = TetrominoDrawing.GetTetrominoColors(TetrominoType.Filled);
graphics.FillRectangle(new SolidBrush(Color.LightGray),
new Rectangle(xPosition, yPosition, TetrominoDrawing.SQUARE_SIZE, TetrominoDrawing.SQUARE_SIZE));
graphics.DrawRectangle(new Pen(Color.White, TetrominoDrawing.SQUARE_BORDER),
new Rectangle(xPosition, yPosition, TetrominoDrawing.SQUARE_SIZE, TetrominoDrawing.SQUARE_SIZE));
}
}
ActiveTetromino.Render(graphics);
}
