clean up and commentary
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b960445e1f
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78f1e0e143
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@ -5,17 +5,13 @@ using rpi_rgb_led_matrix_sharp;
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namespace RPI_Matrix {
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public static class RPI_Matrix {
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private static bool hasSelected = false;
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private static int selectionIndex = 0;
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// Initialize variables
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private static bool hasSelected, isInGame, isTetris, isFlappy, isSnake;
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private static int selectionIndex, keypressFrame, frameCount;
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private static bool selection = true;
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private static bool isInGame = false;
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private static bool isTetris = false;
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private static bool isFlappy = false;
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private static bool isSnake = false;
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private static int keypressFrame = 0;
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private static int frameCount = 0;
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public static void Main() {
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// Connect to RGB LED Matrix
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RGBLedMatrix matrix = new(
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new RGBLedMatrixOptions {
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HardwareMapping = "adafruit-hat",
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@ -29,26 +25,34 @@ namespace RPI_Matrix {
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});
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RGBLedCanvas canvas = matrix.CreateOffscreenCanvas();
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// Initialize Games
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SnakeGame.SnakeGame.Init(matrix, canvas);
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FlappyBird.FlappyBird.Init(matrix, canvas);
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Tetris.Tetris.Init(matrix, canvas);
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// Start listening and interpreting Gamepad input in parallel
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(new Thread(InterpretGamepadInput)).Start();
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// Initialize Text-Font and -Color
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RGBLedFont font = new("fonts/5x8.bdf");
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Color col = new(255, 255, 255);
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// Game Menu
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while (true) {
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// Restart loop
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Console.Clear();
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selection = true;
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// Game selection Menu
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while (selection) {
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// Display Games and Cursor on Matrix
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canvas.Clear();
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canvas.DrawText(font, 0, 8, col, "Spielauswahl:");
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canvas.DrawText(font, 0, 24, col, " ) SnakeGame");
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canvas.DrawText(font, 0, 32, col, " ) FlappyBird");
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canvas.DrawText(font, 0, 40, col, " ) Tetris");
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canvas.DrawText(font, 0, 56, col, " ) Beenden");
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// Cursor is a '#' at (0, 24 + i * 8) where i may be [0, 1, 2, 4]
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int nx = selectionIndex + ((selectionIndex == 3) ? 1 : 0);
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canvas.DrawText(font, 0, 24 + nx * 8, col, "#");
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canvas = matrix.SwapOnVsync(canvas);
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@ -74,34 +78,42 @@ namespace RPI_Matrix {
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}
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}
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// Use selected index to start a Game
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if (hasSelected) {
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hasSelected = false;
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switch (selectionIndex) {
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case 0:
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// Start SnakeGame in Singleplayer
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playSnakeGame("-s");
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break;
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case 1:
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// Start FlappyBird
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playFlappyBird();
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break;
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case 2:
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// Start Tetris
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playTetris();
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break;
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case 3:
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// Exit program
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Environment.Exit(0);
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break;
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}
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}
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// Reset Game identification variables after exiting
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isInGame = false;
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isTetris = false;
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isFlappy = false;
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isSnake = false;
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// If player is absent for 15 seconds, start SnakeGame in Bot Mode
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if (frameCount >= keypressFrame + 150) {
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keypressFrame = frameCount;
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playSnakeGame("-b");
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}
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// Wait for next frame and keep count
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Thread.Sleep(100);
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frameCount = (frameCount+1)%1000000;
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}
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@ -109,6 +121,7 @@ namespace RPI_Matrix {
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}
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private static void playSnakeGame(string arg) {
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// Set Game identification variables and start playing SnakeGame
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isSnake = true;
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isInGame = true;
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selection = false;
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@ -116,6 +129,7 @@ namespace RPI_Matrix {
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}
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private static void playFlappyBird() {
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// Set Game identification variables and start playing FlappyBird
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isFlappy = true;
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isInGame = true;
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selection = false;
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@ -123,6 +137,7 @@ namespace RPI_Matrix {
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}
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private static void playTetris() {
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// Set Game identification variables and start playing Tetris
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isTetris = true;
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isInGame = true;
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selection = false;
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@ -130,45 +145,54 @@ namespace RPI_Matrix {
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}
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private static void InterpretGamepadInput() {
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// Read file "/dev/input/js0" in Raspbian for Raspberry 4 4GB.
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// All inputs on a Gamepad are accessible from within here.
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// Interpreting this data may only work in this program using a SNES Controller.
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FileInfo targetFile = new FileInfo("/dev/input/js0");
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using FileStream fs = targetFile.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
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// Initialize Buffer (byte Array) to put read bytes into
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byte[] buffer = new byte[1024];
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while (fs.Read(buffer) > 0) {
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// Console.SetCursorPosition(0, 1);
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// If inputs were registered, save frame #
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keypressFrame = frameCount;
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// Do the same in Tetris if it's in the 'GameOver' Screen
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if (isTetris && Tetris.Tetris.selection)
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Tetris.Tetris.frameCount = 0;
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// And do it again in SnakeGame while it's playing.
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else if (isSnake && !SnakeGame.SnakeGame.gameOver)
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SnakeGame.SnakeGame.keypressFrame = SnakeGame.SnakeGame.frameCount;
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// Convert Buffer to Hexadecimal, each Byte separated by a '-'
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switch (BitConverter.ToString(buffer, 4, 4)) {
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case "01-00-01-00":
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// X-Button
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// Console.WriteLine("Pressed Button 'X' ");
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// Code for X-Button Press
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if (isTetris)
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Tetris.Tetris.swapMemory();
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break;
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case "01-00-01-01":
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// A-Button
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// Console.WriteLine("Pressed Button 'A' ");
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// Code for A-Button Press
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// If not already in a Game, now ready up to select one.
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if (!isInGame)
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hasSelected = true;
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// Select given option in Tetris' 'GameOver' Screen
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else if (isTetris && Tetris.Tetris.selection)
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Tetris.Tetris.enterSelection();
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break;
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case "01-00-01-02":
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// B-Button
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// Console.WriteLine("Pressed Button 'B' ");
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// Code for B-Button Press
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if (isFlappy) {
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// Jump
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if (FlappyBird.FlappyBird.isReady)
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FlappyBird.FlappyBird.JumpOnce();
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// Start Game
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else
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FlappyBird.FlappyBird.isReady = true;
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// Place the current Block in Tetris
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} else if (isTetris)
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Tetris.Tetris.placeDownBlock();
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break;
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case "01-00-01-04":
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// L-Button
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// Console.WriteLine("Pressed Button 'L' ");
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// Code for L-Button Press
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// If in Tetris, rotate the current Block counter-Clockwise
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if (isTetris) {
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Tetris.Tetris.calcBounds();
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Tetris.Tetris.rotateCounterClockwise();
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@ -176,8 +200,8 @@ namespace RPI_Matrix {
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}
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break;
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case "01-00-01-05":
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// R-Button
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// Console.WriteLine("Pressed Button 'R' ");
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// Code for R-Button Press
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// If in Tetris, rotate the current Block Clockwise
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if (isTetris) {
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Tetris.Tetris.calcBounds();
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Tetris.Tetris.rotateClockwise();
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@ -185,55 +209,64 @@ namespace RPI_Matrix {
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}
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break;
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case "01-00-01-09":
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// Start-Button
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// Console.WriteLine("Pressed Button 'Start' ");
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// Code for Start-Button Press
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// If in SnakeGame, end the Game and return to menu
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if (isSnake)
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SnakeGame.SnakeGame.EndGame();
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else if (isFlappy) {
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// If in FlappyBirds' 'ready' Screen, return to menu
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if (!FlappyBird.FlappyBird.isReady)
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FlappyBird.FlappyBird.stopPlaying = true;
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// Otherwise go back to 'ready' Screen by ending the Game
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else
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FlappyBird.FlappyBird.EndGame();
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// If in Tetris, end the Game and return to menu
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} else if (isTetris)
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Tetris.Tetris.EndGame();
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break;
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case "01-80-02-01":
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// Arrow-Up
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// Console.WriteLine("Pressed 'Arrow-Up' ");
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// Code for Arrow-Up Press
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// If in the selection screen, decrement index
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if (!isInGame && selectionIndex > 0)
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selectionIndex--;
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// If in SnakeGame, Steer the Snake upwards
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else if (isSnake)
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SnakeGame.SnakeGame.SteerUp(SnakeGame.SnakeGame.self);
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else if (isTetris)
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if (Tetris.Tetris.selection && Tetris.Tetris.selectionIndex > 0)
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// If in Tetris and in Tetris' 'GameOver' Screen, decrement its index.
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else if (isTetris && Tetris.Tetris.selection && Tetris.Tetris.selectionIndex > 0)
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Tetris.Tetris.selectionIndex--;
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break;
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case "FF-7F-02-01":
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// Arrow-Down
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// Console.WriteLine("Pressed 'Arrow-Down' ");
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// Code for Arrow-Down Press
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// If in the selection screen, decrement index
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if (!isInGame && selectionIndex < 3)
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selectionIndex++;
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// If in SnakeGame, Steer the Snake downwards
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else if (isSnake)
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SnakeGame.SnakeGame.SteerDown(SnakeGame.SnakeGame.self);
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else if (isTetris)
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// If in Tetris and in Tetris' 'GameOver' Screen, increment its index.
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if (Tetris.Tetris.selection && Tetris.Tetris.selectionIndex < 1)
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Tetris.Tetris.selectionIndex++;
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// Otherwise, move Tetris piece down
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else
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Tetris.Tetris.moveDownOnce();
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break;
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case "01-80-02-00":
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// Arrow-Left
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// Console.WriteLine("Pressed 'Arrow-Left' ");
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// Code for Arrow-Left Press
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// If in SnakeGame, Steer the Snake to the left
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if (isSnake)
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SnakeGame.SnakeGame.SteerLeft(SnakeGame.SnakeGame.self);
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// If in Tetris, move current Block to the left
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else if (isTetris)
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Tetris.Tetris.moveLeftSide();
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break;
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case "FF-7F-02-00":
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// Arrow-Right
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// Console.WriteLine("Pressed 'Arrow-Right' ");
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// Code for Arrow-Right Press
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// If in SnakeGame, Steer the Snake to the right
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if (isSnake)
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SnakeGame.SnakeGame.SteerRight(SnakeGame.SnakeGame.self);
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SnakeGame.SnakeGame.SteerRight(SnakeGame.SnakeGame.self);
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// If in Tetris, move current Block to the right
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else if (isTetris)
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Tetris.Tetris.moveRightSide();
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break;
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