private void showHelp()
{
Console.Clear();
ChangeConsoleColors.to_info_ForegroundColor();
ChangeConsoleColors.to_info_BackgroundColor();
Console.SetCursorPosition(0, 5);
Console.Write("\tControls:\n");
Console.Write("\tUp: Rotate\n");
Console.Write("\tLeft: Move Left\n");
Console.Write("\tRight: Move Right\n");
Console.Write("\tDown: Move Down by three lines\n\n");
Console.Write("\tRules:\n");
Console.Write("\tJust try to fill up every row.\n"
+ "\tPoints are earned one by one by filling up every row.\n"
+ "\tLevel increased by earning every 5 Points.\n"
+ "\tThe falling Down speed of every shape will be increased\n"
+ "\twith the increment of Level\n");
Console.SetCursorPosition((Console.WindowWidth / 2) - 12, Console.CursorTop + 2);
Console.Write("press any key to get back ......");
Console.ReadKey();
ChangeConsoleColors.to_Console_Default_BackgroundColor();
ChangeConsoleColors.to_Console_Default_ForegroundColor();
}
/// <summary>
/// Will show/display the score and a game over message when game is over.
/// </summary>
private void showGameOverMessage()
{
ChangeConsoleColors.to_info_BackgroundColor();
ChangeConsoleColors.to_info_ForegroundColor();
Thread.Sleep(500);
Console.Clear();
Console.SetCursorPosition((Console.WindowWidth / 2) - 4, Console.WindowTop + 5);
Console.WriteLine("Game Over!");
Console.SetCursorPosition((Console.WindowWidth / 2) - 6, Console.WindowTop + 7);
Console.Write("Your Score: {0}", score);
Console.SetCursorPosition((Console.WindowWidth / 2) - 12, Console.WindowTop + 9);
Console.Write("Press Esc key to get back....");
ChangeConsoleColors.to_Bucket_BackgroundColor();
ChangeConsoleColors.to_Bucket_ForegroundColor();
while (Console.ReadKey(true).Key != ConsoleKey.Escape)
{
;
}
}
private void showCredits()
{
Console.Clear();
ChangeConsoleColors.to_info_BackgroundColor();
ChangeConsoleColors.to_info_ForegroundColor();
Console.SetCursorPosition(10, 5);
Console.Write("Mohaimin Morsalin");
Console.SetCursorPosition(10, Console.CursorTop + 1);
Console.Write("United International University (CSE 121)");
Console.SetCursorPosition(10, Console.CursorTop + 1);
Console.Write("Dhaka, Bangladesh.");
Console.SetCursorPosition(10, Console.CursorTop + 1);
Console.Write("Email: [email protected]");
Console.SetCursorPosition((Console.WindowWidth / 2) - 12, Console.CursorTop + 2);
Console.Write("press any key to get back ......");
Console.ReadKey();
ChangeConsoleColors.to_Console_Default_BackgroundColor();
ChangeConsoleColors.to_Console_Default_ForegroundColor();
}
/// <summary>
/// moveNavigator(string) a function to manage the movement of the navigator('->') through menu.
///
/// parameters:
/// direction: Indicating the direction (Up or Down) where the navigator will move.
/// </summary>
private void moveNavigator(string direction)
{
clearNavigator(27, Console.CursorTop);
ChangeConsoleColors.change_LineColor(30, Console.CursorTop, menuNames[Console.CursorTop - 2], ChangeConsoleColors.defaultForeground);
if (direction == "Down")
{
Console.CursorTop++;
if (Console.CursorTop > 5)
{
Console.CursorTop = 2;
}
}
else if (direction == "Up")
{
Console.CursorTop--;
if (Console.CursorTop < 2)
{
Console.CursorTop = 5;
}
}
ChangeConsoleColors.change_LineColor(30, Console.CursorTop, menuNames[Console.CursorTop - 2], ChangeConsoleColors.navigatorForeground);
showNavigator(27, Console.CursorTop);
}
/// <summary>
/// Manage the Pausing operation.
/// Paused when user press P.
/// Resume when user press P again.
/// </summary>
private void PausingOperation()
{
gamePaused = !gamePaused;
if (gamePaused)
{
ChangeConsoleColors.to_info_BackgroundColor();
ChangeConsoleColors.to_info_ForegroundColor();
Console.SetCursorPosition(((Bucket.rightEnd + Bucket.leftEnd) / 2) - 3, Bucket.topEnd - 1);
Console.Write("Paused!");
Console.SetCursorPosition(((sidebarLeft + sidebarRight) / 2) - 8, sidebarBottom - 2);
Console.Write("Press P to Resume.");
ChangeConsoleColors.to_Bucket_BackgroundColor();
ChangeConsoleColors.to_Bucket_ForegroundColor();
}
else
{
ChangeConsoleColors.to_info_BackgroundColor();
ChangeConsoleColors.to_info_ForegroundColor();
Console.SetCursorPosition(((Bucket.rightEnd + Bucket.leftEnd) / 2) - 3, Bucket.topEnd - 1);
Console.Write(" ");
Console.SetCursorPosition(((sidebarLeft + sidebarRight) / 2) - 8, sidebarBottom - 2);
Console.Write("Press P to Pause. ");
ChangeConsoleColors.to_Bucket_BackgroundColor();
ChangeConsoleColors.to_Bucket_ForegroundColor();
}
}
/// <summary>
/// invalidInputMessage(int, int) a function to show/display the warning after invalid input in console screen.
///
/// parameters:
/// left: indicating the left posotion of the console window.
/// top: indicating the top posotion of the console window.
/// </summary>
private void invalidInputMessage(int left, int top)
{
Console.Clear();
ChangeConsoleColors.to_error_ForegroundColor();
Console.SetCursorPosition(left, top);
Console.WriteLine("{0} is not a valid input!!!", input.KeyChar);
ChangeConsoleColors.to_Console_Default_ForegroundColor();
}
/// <summary>
/// showNavigator(int, int) a function to show/display the navigator in console screen.
///
/// parameters:
/// left: indicating the left posotion of the console window.
/// top: indicating the top posotion of the console window.
/// </summary>
private void showNavigator(int left, int top)
{
ChangeConsoleColors.to_Navigator_ForegroundColor();
Console.SetCursorPosition(left, top);
Console.Write("->");
Console.SetCursorPosition(left - 1, top);
ChangeConsoleColors.to_Console_Default_ForegroundColor();
}
/// <summary>
/// adjustConsole() function will adjust and manage the console screen
/// such as foreground background color, window size, cursor visibility
/// </summary>
private static void adjustConsole()
{
Console.Title = "Tetris Game";
ChangeConsoleColors.to_Console_Default_BackgroundColor();
ChangeConsoleColors.to_Console_Default_ForegroundColor();
Console.SetWindowSize(80, 45);
Console.CursorVisible = false;
}
/// <summary>
/// showMenu() a function to print/display the main menu in Console screen.
/// </summary>
public void showMenu()
{
Console.Clear();
Console.SetCursorPosition(30, 0); Console.WriteLine("TETRIS GAME");
Console.SetCursorPosition(30, 2); Console.WriteLine(menuNames[0]);
Console.SetCursorPosition(30, 3); Console.WriteLine(menuNames[1]);
Console.SetCursorPosition(30, 4); Console.WriteLine(menuNames[2]);
Console.SetCursorPosition(30, 5); Console.WriteLine(menuNames[3]);
Console.SetCursorPosition(20, 8); Console.WriteLine("Press Arrow Keys: Navigate Options.");
Console.SetCursorPosition(20, 9); Console.WriteLine("Press Enter: Select Menu.");
showNavigator(27, 2);
ChangeConsoleColors.change_LineColor(30, 2, menuNames[0], ChangeConsoleColors.navigatorForeground);
}
/// <summary>
/// startGame() a function that will build bucket and sidebar,
/// change the console foreground background color by calling the respective function.
/// Then let user play the game by calling play() function.
/// After playing it changes the score, level and console color to their initial value.
/// </summary>
public void startGame()
{
Bucket.buildBucket();
score = 0;
level = 1;
buildSidebar();
ChangeConsoleColors.to_Bucket_BackgroundColor();
ChangeConsoleColors.to_Bucket_ForegroundColor();
playGame();
ChangeConsoleColors.to_Console_Default_BackgroundColor();
ChangeConsoleColors.to_Console_Default_ForegroundColor();
}
/// <summary>
/// Just coloring the bucket Area.
/// </summary>
private static void colorBucketArea()
{
ChangeConsoleColors.to_Bucket_BackgroundColor();
for (int i = 1; i < bottomEnd - topEnd; i++)
{
Console.SetCursorPosition(leftEnd, topEnd + i);
for (int j = 1; j <= rightEnd - leftEnd + 1; j++)
{
Console.Write(" ");
}
}
ChangeConsoleColors.to_Console_Default_BackgroundColor();
}
/// <summary>
/// buildSidebar() building the sidbar which will show info about
/// next shape, score, level.
/// </summary>
private void buildSidebar()
{
ChangeConsoleColors.to_info_ForegroundColor();
ChangeConsoleColors.to_info_BackgroundColor();
Console.SetCursorPosition(sidebarLeft, sidebarTop);
for (int i = sidebarLeft; i <= sidebarRight; i++)
{
Console.Write('_');
}
for (int i = sidebarTop + 1; i <= sidebarBottom; i++)
{
Console.SetCursorPosition(sidebarLeft - 1, i);
Console.Write('|');
}
for (int i = sidebarTop + 1; i <= sidebarBottom; i++)
{
Console.SetCursorPosition(sidebarRight + 1, i);
Console.Write('|');
}
Console.SetCursorPosition(sidebarLeft, sidebarBottom);
for (int i = sidebarLeft; i <= sidebarRight; i++)
{
Console.Write('_');
}
Console.SetCursorPosition(((sidebarLeft + sidebarRight) / 2) - 2, sidebarTop + 1);
Console.Write("Next");
Console.SetCursorPosition(sidebarLeft + 2, sidebarTop + 9);
Console.Write("Score: {0}", score);
Console.SetCursorPosition(sidebarLeft + 2, sidebarTop + 11);
Console.Write("Level: {0}", level);
Console.SetCursorPosition(((sidebarLeft + sidebarRight) / 2) - 8, sidebarBottom - 2);
Console.Write("Press P to Pause.");
Console.SetCursorPosition(((sidebarLeft + sidebarRight) / 2) - 8, sidebarBottom - 1);
Console.Write("Press Esc to Quit.");
ChangeConsoleColors.to_Bucket_ForegroundColor();
ChangeConsoleColors.to_Bucket_BackgroundColor();
}
/// <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);
}
}