/// <summary>
/// updateSidebar(TetrisShapes) update the sidebar info (next shape, score, level)
/// after a shape completely fall down.
///
/// parameters:
/// TetrisShapes shape: indicating the shape which need to be removed from sidebar info panel.
/// </summary>
private void updateSidebar(TetrisShapes shape)
{
ChangeConsoleColors.to_info_ForegroundColor();
ChangeConsoleColors.to_info_BackgroundColor();
shape.removeShape(shape.getShape(0), ((sidebarLeft + sidebarRight) / 2) - 2, sidebarTop + 3);
Console.SetCursorPosition(sidebarLeft, sidebarTop + 9);
Console.Write(new string(' ', sidebarRight - sidebarLeft + 1));
Console.SetCursorPosition(sidebarLeft, sidebarTop + 11);
Console.Write(new string(' ', sidebarRight - sidebarLeft + 1));
Console.SetCursorPosition(sidebarLeft + 2, sidebarTop + 9);
Console.Write("Score: {0}", score);
Console.SetCursorPosition(sidebarLeft + 2, sidebarTop + 11);
Console.Write("Level: {0}", level);
ChangeConsoleColors.to_Bucket_ForegroundColor();
ChangeConsoleColors.to_Bucket_BackgroundColor();
}
/// <summary>
/// playGame() this function will control the entire game playing cases.
/// This function will generate shape, print it in console screen, move the shape according
/// to user inputs, move down the shape by one step after every time interval, update the sidebar
/// info, check for game over and end the game if it is over.
///
/// The game will continue until game is not over and uset doesn't quit. (see Lines from 146 to 226).
/// In this loop it will generate shape, display it in console if game is not over and start the stopwatch
/// to measure the time interval of falling shape down and also...
/// there is another loop in it which manage shape falling (see Lines from 169 to 224).
/// This loop will continue until the shape can move down without facing any obstacle or reach the bottom boundary.
/// while falling it will check for any available user's input (Console.KeyAvailable) in input stream and if find any
/// then do the respective job by calling respective function.
/// Also it will check for time interval in stopwacth to move shape downwards or not.
/// If stop watch time reach or pass the time inteval it will move the shape one step down by calling the movedown()
/// function then reset and restart the stopwatch.
/// If a shape can't move down any more step it will exit the loop then update grid by calling updateGrid(),
/// update sidebar by calling updateSidebar()
///
/// The first loop will exit when game over condition is reached or user quit it.
/// Then this Function end the game and return to it's Caller function.
/// </summary>
private void playGame()
{
gameOver = false;
gamePaused = false;
userQuit = false;
TetrisShapes nextShape = generateShape(randomShape.Next(7));
while (!gameOver && !userQuit)
{
fallingShape = true;
currentShape = nextShape;
currentShape.PrintShape(currentShape.getShape(0), currentShape.left, currentShape.top);
nextShape = generateShape(randomShape.Next(7));
if (!isGameOver(currentShape.getShape(0), currentShape.left, currentShape.top))
{
ChangeConsoleColors.to_info_ForegroundColor();
ChangeConsoleColors.to_info_BackgroundColor();
nextShape.PrintShape(nextShape.getShape(0), ((sidebarLeft + sidebarRight) / 2) - 2, sidebarTop + 3);
ChangeConsoleColors.to_Bucket_ForegroundColor();
ChangeConsoleColors.to_Bucket_BackgroundColor();
stopwatch.Start();
}
else
{
showGameOverMessage();
fallingShape = false;
gameOver = true;
}
while (fallingShape && !userQuit)
{
if (Console.KeyAvailable)
{
pressedKey = Console.ReadKey(true);
if (!gamePaused && pressedKey.Key == ConsoleKey.UpArrow && currentShape.canRotate())
{
currentShape.RotateShape();
}
else if (!gamePaused && pressedKey.Key == ConsoleKey.LeftArrow && currentShape.canMoveLeft())
{
currentShape.moveLeft();
}
else if (!gamePaused && pressedKey.Key == ConsoleKey.RightArrow && currentShape.canMoveRight())
{
currentShape.moveRight();
}
else if (!gamePaused && pressedKey.Key == ConsoleKey.DownArrow)
{
if (currentShape.canMoveDown(3))
{
currentShape.moveDown();
}
else
{
fallingShape = false;
Bucket.updateGrid(currentShape.getShape(currentShape.currentRotation), currentShape.left, currentShape.top, TetrisShapes.shapeChar);
}
}
else if (pressedKey.Key == ConsoleKey.P)
{
PausingOperation();
}
else if (pressedKey.Key == ConsoleKey.Escape)
{
fallingShape = false;
userQuit = true;
}
}
if (!gamePaused && stopwatch.ElapsedMilliseconds >= fallingTimeInterval - ((level - 1) * 100))
{
if (currentShape.canMoveDown(1))
{
currentShape.moveDown();
}
else
{
fallingShape = false;
Bucket.updateGrid(currentShape.getShape(currentShape.currentRotation), currentShape.left, currentShape.top, TetrisShapes.shapeChar);
}
stopwatch.Reset();
stopwatch.Start();
}
}
updateSidebar(nextShape);
}
}