one should be in the correct folder when initializing the git project...

.gitignore

@@ -0,0 +1,2 @@
+build/
+.vscode/

CMakeLists.txt

@@ -0,0 +1,38 @@
+cmake_minimum_required(VERSION 3.5)
+
+project(SDL_TD VERSION 0.1 LANGUAGES CXX)
+
+find_package(SDL2 QUIET)
+
+set(SDL_INCLUDE_DIRS ${SDL2_INCLUDE_DIRS})
+set(SDL_LIBRARIES ${SDL2_LIBRARIES})
+
+find_library(SDL_MIXER_LIBRARY NAMES SDL2_mixer)
+find_library(SDL_IMAGE_LIBRARY NAMES SDL2_image)
+find_library(SDL_TTF_LIBRARY NAMES SDL2_ttf)
+
+include_directories(${SDL_INCLUDE_DIRS})
+
+file(GLOB_RECURSE PROJECT_SOURCES src/*.cpp)
+file(GLOB_RECURSE PROJECT_HEADERS src/*.hpp)
+
+add_executable(SDL_TD
+	${PROJECT_SOURCES}
+	${PROJECT_HEADERS}
+)
+
+target_link_libraries(SDL_TD
+	${SDL_LIBRARIES}
+	${SDL_MIXER_LIBRARY}
+	${SDL_IMAGE_LIBRARY}
+	${SDL_TTF_LIBRARY}
+	fmt
+)
+
+file(GLOB ASSETS
+	"assets/*.png"
+)
+
+foreach(ASSET ${ASSETS})
+	file(COPY ${ASSET} DESTINATION ${CMAKE_CURRENT_BINARY_DIR}/assets)
+endforeach()

README.md

@@ -0,0 +1,14 @@
+# TODO
+
+## Needs
+
+- Input handler
+- Collision
+- Playing Field
+- Scoreboard
+
+## Optional
+
+- Start Page
+- Textures
+- Audio

src/Game.cpp

@@ -0,0 +1,142 @@
+#include "Game.hpp"
+
+Game::Game( ) :
+	window(nullptr, SDL_DestroyWindow),
+	gameOver(false),
+	startSequence(true),
+	quit(false) { }
+
+bool Game::init(const char* title, int w, int h) {
+	window.reset(SDL_CreateWindow(
+		title,
+		SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
+		w, h,
+		SDL_WINDOW_SHOWN | SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE
+	));
+
+	if (!window) {
+		SDL_Log("Failed to create window: %s", SDL_GetError( ));
+		return false;
+	}
+
+	renderer = std::shared_ptr<SDL_Renderer>(
+		SDL_CreateRenderer(window.get( ), -1, SDL_RENDERER_ACCELERATED),
+		[ ](SDL_Renderer* r) { SDL_DestroyRenderer(r); }
+	);
+
+	if (!renderer) {
+		SDL_Log("Failed to create renderer: %s", SDL_GetError( ));
+		return false;
+	}
+
+	gameRenderer = make_shared<Renderer>(renderer);
+	gameBoard = make_shared<GameBoard>( );
+
+	bgm = std::shared_ptr<Mix_Music>(Mix_LoadMUS("/home/crylia/Dokumente/git/tetris_sdl/assets/bgm.mp3"), [ ](Mix_Music* m) {
+		Mix_FreeMusic(m);
+		});
+
+	if (!bgm) {
+		SDL_Log("Failed to load background music: %s", Mix_GetError( ));
+		return false;
+	}
+
+	return true;
+}
+
+void Game::run( ) {
+	while (startSequence) {
+		if (quit) return;
+		inputHandler( );
+		gameRenderer->renderStartScreen( );
+	}
+
+	Mix_PlayMusic(bgm.get( ), -1);
+
+	lastUpdateTime = SDL_GetTicks( );
+	while (!gameOver && !gameBoard->isCollision( )) {
+		if (quit) return;
+		inputHandler( );
+		update( );
+		render( );
+	}
+	gameOver = true;
+	Mix_PauseMusic( );
+
+	while (gameOver) {
+		if (quit) return;
+		inputHandler( );
+		gameRenderer->renderGameOver(gameBoard->getScore( ), gameBoard->getLevel( ));
+	}
+}
+
+void Game::inputHandler( ) {
+	SDL_Event event;
+	while (SDL_PollEvent(&event)) {
+		if (event.type == SDL_QUIT) { SDL_Quit( ); } else if (event.type == SDL_KEYDOWN) {
+			switch (event.key.keysym.sym) {
+			case SDLK_LEFT:
+			case SDLK_a:
+				gameBoard->tryMoveCurrentTetromino(-1, 0);
+				break;
+			case SDLK_RIGHT:
+			case SDLK_d:
+				gameBoard->tryMoveCurrentTetromino(1, 0);
+				break;
+			case SDLK_DOWN:
+			case SDLK_s:
+				gameBoard->moveToBottom( );
+				break;
+			case SDLK_SPACE:
+				gameBoard->tryRotateCurrentTetromino( );
+				break;
+			case SDLK_ESCAPE:
+				break;
+			case SDLK_g:
+				if (startSequence)
+					startSequence = false;
+				break;
+			case SDLK_r:
+				if (isGameOver( ))
+					restart( );
+				break;
+			case SDLK_q:
+				SDL_Quit( );
+				quit = true;
+			default:
+				break;
+			}
+		}
+	}
+}
+
+void Game::update( ) {
+	Uint32 currentTime = SDL_GetTicks( );
+	Uint32 deltaTime = currentTime - lastUpdateTime;
+
+	if (deltaTime >= max(50, 1000 - (gameBoard->getLevel( ) * 100))) {
+		gameBoard->update( );
+		lastUpdateTime = currentTime;
+	}
+}
+
+void Game::render( ) {
+	//Set default color to black
+	SDL_SetRenderDrawColor(renderer.get( ), 20, 20, 20, 255);
+	SDL_RenderClear(renderer.get( ));
+
+	gameRenderer->renderBoard(*gameBoard);
+
+	SDL_RenderPresent(renderer.get( ));
+}
+
+bool Game::isGameOver( ) { return gameOver; }
+void Game::setGameOver(bool value) { gameOver = value; }
+
+void Game::restart( ) {
+	gameOver = false;
+	startSequence = true;
+	gameBoard = make_shared<GameBoard>( );
+}
+
+const bool Game::isGameQuit( )const { return quit; }

src/Game.hpp

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <memory>
+
+extern "C" {
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_mixer.h>
+}
+
+#include "Renderer.hpp"
+#include "GameBoard.hpp"
+
+using namespace std;
+
+class Game {
+private:
+	void update( );
+	void render( );
+	void inputHandler( );
+
+	unique_ptr<SDL_Window, void(*)(SDL_Window*)> window;
+	shared_ptr<SDL_Renderer> renderer;
+
+	shared_ptr<GameBoard> gameBoard;
+	shared_ptr<Renderer> gameRenderer;
+
+	shared_ptr<Mix_Music> bgm;
+
+	Uint32 lastUpdateTime = 0;
+	int dropInterval = 1000;
+
+	bool gameOver;
+	bool startSequence;
+	bool quit;
+
+public:
+	Game( );
+
+	bool init(const char* title, int w, int h);
+	void run( );
+	void restart( );
+	bool isGameOver( );
+	void setGameOver(bool value);
+
+	const bool isGameQuit( ) const;
+};

src/GameBoard.cpp

@@ -0,0 +1,120 @@
+#include "GameBoard.hpp"
+#include <iostream>
+
+GameBoard::GameBoard( )
+	: lockedTetrominos(20, vector<int>(10, 0)), lockedColors(20, std::vector<SDL_Color>(10, { 0, 0, 0, 0 })), score(0), level(1), collision(false) {
+	spawnNewTetromino( );
+}
+
+bool GameBoard::tryMoveCurrentTetromino(int dx, int dy) {
+	currentTetromino->move(dx, dy);
+	if (checkCollision(*currentTetromino)) {
+		currentTetromino->move(-dx, -dy);
+		return false;
+	}
+	return true;
+}
+
+void GameBoard::tryRotateCurrentTetromino( ) {
+	currentTetromino->rotate(*this);
+	if (checkCollision(*currentTetromino))
+		for (int i = 0; i < 3; i++)
+			currentTetromino->rotate(*this);
+}
+
+bool GameBoard::checkCollision(const Tetromino& tetromino) const {
+	const auto& shape = tetromino.getShape( );
+	int x = tetromino.getX( ), y = tetromino.getY( );
+
+	for (int row = 0; row < shape.size( ); ++row)
+		for (int col = 0; col < shape[row].size( ); ++col)
+			if (shape[row][col] != 0) {
+				int newX = x + col;
+				int newY = y + row;
+
+				if (newX < 0 || newX >= width || newY >= height || (newY >= 0 && lockedTetrominos[newY][newX] != 0)) { return true; }
+			}
+
+	return false;
+}
+
+void GameBoard::lockTetromino( ) {
+	const auto& shape = currentTetromino->getShape( );
+	int x = currentTetromino->getX( ), y = currentTetromino->getY( );
+
+	for (int row = 0; row < shape.size( ); ++row)
+		for (int col = 0; col < shape[row].size( ); ++col)
+			if (shape[row][col] != 0) {
+				int lockedTetrominosX = x + col;
+				int lockedTetrominosY = y + row;
+				if (lockedTetrominosY >= 0 && lockedTetrominosX < height) {
+					lockedTetrominos[lockedTetrominosY][lockedTetrominosX] = 1;
+					lockedColors[lockedTetrominosY][lockedTetrominosX] = currentTetromino->getColor( );
+				}
+			}
+}
+
+void GameBoard::clearLines( ) {
+	for (int row = 0; row < height; row++)
+		if (all_of(lockedTetrominos[row].begin( ), lockedTetrominos[row].end( ), [ ](int cell) {return cell != 0;})) {
+			lockedTetrominos.erase(lockedTetrominos.begin( ) + row);
+			lockedTetrominos.insert(lockedTetrominos.begin( ), vector<int>(width, 0));
+			score += 100;
+			if ((score % 1000) == 0)
+				level++;
+		}
+}
+
+void GameBoard::spawnNewTetromino( ) {
+	random_device dev;
+	mt19937 rng(dev( ));
+	uniform_int_distribution<mt19937::result_type> dist6(0, static_cast<int>(TetrominoShape::COUNT) - 1);
+	TetrominoShape shape = static_cast<TetrominoShape>(dist6(rng));
+	currentTetromino = make_unique<Tetromino>(shape);
+	currentTetromino->setTexture(shape);
+	currentTetromino->move(width / 2 - 1, 0);
+
+	if (checkCollision(*currentTetromino))
+		collision = true;
+}
+
+void GameBoard::update( ) {
+	if (!tryMoveCurrentTetromino(0, 1)) {
+		lockTetromino( );
+		clearLines( );
+		spawnNewTetromino( );
+	} else
+		clearLines( );
+}
+
+bool GameBoard::isValidPosition(const vector<vector<int>>& shape, int x, int y) const {
+	for (int row = 0; row < shape.size( ); ++row)
+		for (int col = 0; col < shape[row].size( ); ++col)
+			if (shape[row][col]) {
+				int newX = x + col;
+				int newY = y + row;
+
+				if (newX < 0 || newX >= width || newY < 0 || newY >= height) return false;
+				if (lockedTetrominos[newY][newX]) return false;
+			}
+	return true;
+}
+
+void GameBoard::moveToBottom( ) {
+	while (isValidPosition(currentTetromino->getShape( ), currentTetromino->getX( ), currentTetromino->getY( ) + 1)) currentTetromino->move(0, 1);
+}
+
+const bool GameBoard::isCollision( ) const { return collision; }
+const int GameBoard::getScore( ) const { return score; }
+const int GameBoard::getLevel( ) const { return level; }
+
+const vector<vector<int>>& GameBoard::getLockedTetrominos( ) const { return lockedTetrominos; }
+const vector<vector<SDL_Color>>& GameBoard::getLockedColors( ) const { return lockedColors; }
+const Tetromino& GameBoard::getCurrentTetromino( ) const { return *currentTetromino; }
+
+void GameBoard::reset( ) {
+	lockedTetrominos.clear( );
+	lockedColors.clear( );
+	score = 0;
+	level = 1;
+}

src/GameBoard.hpp

@@ -0,0 +1,40 @@
+#pragma once
+
+#include <vector>
+#include <memory>
+#include <algorithm>
+#include "Tetromino.hpp"
+
+class GameBoard {
+private:
+	void spawnNewTetromino( );
+	bool checkCollision(const Tetromino& tetromino) const;
+	void lockTetromino( );
+	void clearLines( );
+
+	vector<vector<int>> lockedTetrominos;
+	vector<vector<SDL_Color>> lockedColors;
+	unique_ptr<Tetromino> currentTetromino;
+	const int width = 10;
+	const int height = 20;
+	bool collision;
+	int score;
+	int level;
+
+public:
+	GameBoard( );
+	void update( );
+	bool tryMoveCurrentTetromino(int dx, int dy);
+	void tryRotateCurrentTetromino( );
+	bool isValidPosition(const vector<vector<int>>& shape, int x, int y) const;
+	void moveToBottom( );
+	void reset( );
+
+	const bool isCollision( ) const;
+	const int getScore( ) const;
+	const int getLevel( ) const;
+
+	const vector<vector<int>>& getLockedTetrominos( ) const;
+	const vector<vector<SDL_Color>>& getLockedColors( ) const;
+	const Tetromino& getCurrentTetromino( ) const;
+};

src/Renderer.cpp

@@ -0,0 +1,151 @@
+#include "Renderer.hpp"
+#include <iostream>
+
+Renderer::Renderer(shared_ptr<SDL_Renderer> renderer) : renderer(renderer), blockSize(30) {
+	setRenderer(renderer);
+}
+
+void Renderer::setRenderer(shared_ptr<SDL_Renderer> renderer) {
+	this->renderer = renderer;
+	loadTexture("/home/crylia/Dokumente/git/tetris_sdl/assets/single.png", TetrominoShape::I);
+	loadTexture("/home/crylia/Dokumente/git/tetris_sdl/assets/single.png", TetrominoShape::J);
+	loadTexture("/home/crylia/Dokumente/git/tetris_sdl/assets/single.png", TetrominoShape::L);
+	loadTexture("/home/crylia/Dokumente/git/tetris_sdl/assets/single.png", TetrominoShape::S);
+	loadTexture("/home/crylia/Dokumente/git/tetris_sdl/assets/single.png", TetrominoShape::O);
+	loadTexture("/home/crylia/Dokumente/git/tetris_sdl/assets/single.png", TetrominoShape::Z);
+}
+
+void Renderer::renderBoard(const GameBoard& gameBoard) {
+	drawGrid(gameBoard);
+	drawLockedBlocks(gameBoard);
+	drawTetromino(gameBoard.getCurrentTetromino( ));
+	drawScoreboard(gameBoard.getScore( ), gameBoard.getLevel( ));
+}
+
+void Renderer::drawScoreboard(int score, int level) {
+	SDL_SetRenderDrawColor(renderer.get( ), 0, 0, 0, 255);
+	renderText(fmt::format("Score: {0}", score), 350, 100, 24, SDL_Color{ 200,128,200 });
+	renderText(fmt::format("Level: {0}", level), 350, 200, 24, SDL_Color{ 128,200,200 });
+}
+
+void Renderer::drawGrid(const GameBoard& board) {
+	SDL_SetRenderDrawColor(renderer.get( ), 100, 100, 100, 255);
+
+	int w = board.getLockedTetrominos( )[0].size( ), h = board.getLockedTetrominos( ).size( );
+	for (int x = 0; x <= w; ++x)
+		SDL_RenderDrawLine(renderer.get( ), x * blockSize, 0, x * blockSize, h * blockSize);
+
+	for (int y = 0; y <= h; ++y)
+		SDL_RenderDrawLine(renderer.get( ), 0, y * blockSize, w * blockSize, y * blockSize);
+}
+
+void Renderer::drawLockedBlocks(const GameBoard& gameBoard) {
+	const auto& lockedTetrominos = gameBoard.getLockedTetrominos( );
+	const auto& lockedColors = gameBoard.getLockedColors( );
+
+	for (int row = 0; row < lockedTetrominos.size( ); ++row) {
+		for (int col = 0; col < lockedTetrominos[row].size( ); ++col) {
+			int blockType = lockedTetrominos[row][col];
+			if (blockType != 0) {
+				SDL_Rect block = { col * blockSize, row * blockSize, blockSize, blockSize };
+
+				SDL_SetTextureBlendMode(textures[TetrominoShape::I], SDL_BLENDMODE_BLEND);
+
+				SDL_Color color = lockedColors[row][col];
+				if (textures[TetrominoShape::I]) {
+					SDL_SetTextureColorMod(textures[TetrominoShape::I], color.r, color.g, color.b);
+					renderTexture(TetrominoShape::I, block.x, block.y, block.w, block.h);
+				} else {
+					SDL_SetRenderDrawColor(renderer.get( ), color.r, color.g, color.b, 255);
+					SDL_RenderFillRect(renderer.get( ), &block);
+				}
+			}
+		}
+	}
+}
+
+void Renderer::drawTetromino(const Tetromino& tetromino) {
+	const auto& shape = tetromino.getShape( );
+	int x = tetromino.getX( ), y = tetromino.getY( );
+	auto t = tetromino.getTexture( );
+
+	double angle = tetromino.getRotationAngle( );
+
+	SDL_SetTextureBlendMode(textures[t], SDL_BLENDMODE_BLEND);
+	SDL_Color color = tetromino.getColor( );
+	SDL_SetTextureColorMod(textures[t], color.r, color.g, color.b);
+
+	for (int row = 0; row < shape.size( ); ++row) {
+		for (int col = 0; col < shape[row].size( ); ++col) {
+			if (shape[row][col] != 0) {
+				SDL_Rect destRect = { (x + col) * blockSize, (y + row) * blockSize, blockSize, blockSize };
+				SDL_Point center = { blockSize / 2, blockSize / 2 };
+				SDL_RenderCopyEx(renderer.get( ), textures[t], nullptr, &destRect, angle, &center, SDL_FLIP_NONE);
+			}
+		}
+	}
+}
+
+bool Renderer::loadTexture(const string& filePath, const TetrominoShape shape) {
+	SDL_Texture* texture = IMG_LoadTexture(renderer.get( ), filePath.c_str( ));
+	if (!texture) {
+		SDL_Log("Failed to load Texture: %s\n%s", filePath, SDL_GetError( ));
+		return false;
+	}
+	textures[shape] = texture;
+	return true;
+}
+
+void Renderer::renderTexture(const TetrominoShape shape, int x, int y, int width, int height) {
+	SDL_Rect destRect{ x,y,width,height };
+	SDL_RenderCopy(renderer.get( ), textures[shape], nullptr, &destRect);
+}
+
+void Renderer::renderStartScreen( ) {
+	SDL_SetRenderDrawColor(renderer.get( ), 0, 0, 0, 255);
+	SDL_RenderClear(renderer.get( ));
+
+	renderText("Tetris", 100, 100, 128, SDL_Color{ 200,200,200 });
+
+	SDL_RenderPresent(renderer.get( ));
+}
+
+void Renderer::renderGameOver(int score, int level) {
+	SDL_SetRenderDrawColor(renderer.get( ), 0, 0, 0, 128);
+	SDL_RenderClear(renderer.get( ));
+
+	renderText("Game Over", 100, 100, 128, SDL_Color{ 200, 200, 200 });
+	renderText(fmt::format("Score: {0}", score), 100, 250, 64, SDL_Color{ 200, 128, 200 });
+	renderText(fmt::format("Level: {0}", level), 100, 350, 64, SDL_Color{ 128, 200, 200 });
+
+
+	SDL_RenderPresent(renderer.get( ));
+}
+
+void Renderer::renderText(string text, int x, int y, int size, SDL_Color color) {
+	TTF_Font* font = TTF_OpenFont("/usr/share/fonts/TTF/OpenSans-Regular.ttf", size);
+	SDL_Surface* surface = TTF_RenderText_Solid(font, text.c_str( ), color);
+	if (!surface) {
+		SDL_Log("Failed to create surface: %s", TTF_GetError( ));
+		return;
+	}
+
+	SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer.get( ), surface);
+	if (!texture) {
+		SDL_Log("Failed to create texture from surface: %s", SDL_GetError( ));
+		SDL_FreeSurface(surface);
+		TTF_CloseFont(font);
+		return;
+	}
+
+	int width = surface->w;
+	int height = surface->h;
+
+	SDL_Rect destRect = { x, y, width, height };
+
+	SDL_RenderCopy(renderer.get( ), texture, nullptr, &destRect);
+
+	SDL_FreeSurface(surface);
+	SDL_DestroyTexture(texture);
+	TTF_CloseFont(font);
+}

src/Renderer.hpp

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <unordered_map>
+#include <string>
+#include <fmt/format.h>
+
+extern "C" {
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_image.h>
+#include <SDL2/SDL_ttf.h>
+}
+
+#include "GameBoard.hpp"
+
+class Renderer {
+private:
+	void drawGrid(const GameBoard& gameBoard);
+	void drawLockedBlocks(const GameBoard& gameBoard);
+	void drawTetromino(const Tetromino& tetromino);
+	void drawScoreboard(int score, int level);
+
+	shared_ptr<SDL_Renderer> renderer;
+	int blockSize;
+
+	unordered_map<TetrominoShape, SDL_Texture*> textures;
+public:
+	Renderer(shared_ptr<SDL_Renderer> renderer);
+
+	void setRenderer(shared_ptr<SDL_Renderer> renderer);
+	void renderBoard(const GameBoard& gb);
+
+	bool loadTexture(const string& filePath, const TetrominoShape shape);
+	void renderTexture(const TetrominoShape shape, int x, int y, int width, int height);
+	void renderStartScreen( );
+	void renderGameOver(int score, int level);
+	void renderText(string text, int x, int y, int size, SDL_Color color);
+};

src/Tetromino.cpp

@@ -0,0 +1,112 @@
+#include "Tetromino.hpp"
+#include "GameBoard.hpp"
+
+Tetromino::Tetromino(TetrominoShape shape) : x(0), y(0) {
+	initializeShape(shape);
+	currentRotationState = 1;
+
+	color.a = 255;
+	color.r = 0;
+	color.g = 0;
+	color.b = 0;
+
+	random_device dev;
+	mt19937 rng(dev( ));
+	uniform_int_distribution<mt19937::result_type> dist6(0, 5);
+
+	switch (dist6(rng)) {
+	case 0:
+		color.r = 255;
+		break;
+	case 1:
+		color.g = 255;
+		break;
+	case 2:
+		color.b = 255;
+		break;
+	case 3:
+		color.r = 255;
+		color.g = 255;
+		break;
+	case 4:
+		color.g = 255;
+		color.b = 255;
+		break;
+	case 5:
+		color.b = 255;
+		color.r = 255;
+		break;
+	default:
+		break;
+	}
+}
+
+void Tetromino::initializeShape(TetrominoShape s) {
+	switch (s) {
+	case TetrominoShape::I:
+		shape = { {1, 1, 1, 1} };
+		break;
+	case TetrominoShape::O:
+		shape = { {1, 1}, {1, 1} };
+		break;
+	case TetrominoShape::S:
+		shape = { {0, 1, 1}, {1, 1, 0} };
+		break;
+	case TetrominoShape::Z:
+		shape = { {1, 1, 0}, {0, 1, 1} };
+		break;
+	case TetrominoShape::J:
+		shape = { {1, 0, 0}, {1, 1, 1} };
+		break;
+	case TetrominoShape::L:
+		shape = { {0, 0, 1}, {1, 1, 1} };
+		break;
+	default:
+		shape = { {0} };
+		break;
+	}
+}
+
+void Tetromino::rotate(GameBoard& gameBoard) {
+	vector<vector<int>> rotated(shape[0].size( ), vector<int>(shape.size( )));
+	for (int row = 0; row < shape.size( ); ++row)
+		for (int col = 0; col < shape[0].size( ); ++col)
+			rotated[col][shape.size( ) - 1 - row] = shape[row][col];
+
+	if (gameBoard.isValidPosition(rotated, x, y)) {
+		shape = rotated;
+		currentRotationState = (currentRotationState + 1) % 4;
+	} else {
+		int dx = x - 1;
+		while (!gameBoard.isValidPosition(rotated, dx, y)) {
+			//If the shape before rotation wont have a valid position then rotation is not possible and we abort
+			if (!gameBoard.isValidPosition(shape, dx, y)) {
+				shape = rotated;
+				return;
+			}
+			dx--;
+		}
+		x = dx;
+		shape = rotated;
+		currentRotationState = (currentRotationState + 1) % 4;
+	}
+}
+
+void Tetromino::move(int dx, int dy) {
+	x += dx;
+	y += dy;
+}
+
+double Tetromino::getRotationAngle( ) const {
+	return currentRotationState * 90.0;
+}
+
+const vector<vector<int>>& Tetromino::getShape( ) const { return shape; }
+
+int Tetromino::getX( ) const { return x; }
+int Tetromino::getY( ) const { return y; }
+
+void Tetromino::setTexture(const TetrominoShape shape) { this->textureShape = shape; }
+const TetrominoShape Tetromino::getTexture( ) const { return textureShape; }
+
+SDL_Color Tetromino::getColor( ) const { return color; }

src/Tetromino.hpp

@@ -0,0 +1,51 @@
+#pragma once
+
+extern "C" {
+#include <SDL2/SDL.h>
+}
+
+#include <vector>
+#include <string>
+#include <random>
+
+using namespace std;
+
+enum class TetrominoShape {
+	L,
+	I,
+	O,
+	S,
+	Z,
+	J,
+	COUNT //Used to know the ammount of shapes
+};
+
+class GameBoard;
+
+class Tetromino {
+private:
+	void initializeShape(TetrominoShape shape);
+	vector<vector<int>> shape;
+
+	int x, y;
+
+	int currentRotationState;
+
+	TetrominoShape textureShape;
+
+	SDL_Color color;
+public:
+	Tetromino(TetrominoShape shape);
+
+	void rotate(GameBoard& gameBoard);
+	void move(int dx, int dy);
+	double getRotationAngle( ) const;
+
+	const vector<vector<int>>& getShape( ) const;
+	int getX( ) const;
+	int getY( ) const;
+
+	void setTexture(const TetrominoShape textureName);
+	const TetrominoShape getTexture( ) const;
+	SDL_Color getColor( ) const;
+};

src/main.cpp

@@ -0,0 +1,46 @@
+#include <iostream>
+
+extern "C" {
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_mixer.h>
+}
+
+#include "Game.hpp"
+
+int main( ) {
+	if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) != 0) {
+		SDL_Log("Couldn't init SDL: %s", SDL_GetError( ));
+		return 1;
+	}
+
+	if (IMG_Init(IMG_INIT_PNG) == 0) {
+		std::cerr << "Failed to initialize SDL_image: " << IMG_GetError( ) << std::endl;
+		SDL_Quit( );
+		return 1;
+	}
+
+	if (TTF_Init( ) == -1) {
+		std::cerr << "Failed to initialize SDL_ttf: " << TTF_GetError( ) << std::endl;
+		SDL_Quit( );
+		return 1;
+	}
+
+	if (Mix_OpenAudio(44100, MIX_DEFAULT_FORMAT, 2, 2048) < 0) {
+		SDL_Log("SDL_mixer could not initialize! SDL_mixer Error: %s\n", Mix_GetError( ));
+		return 1;
+	}
+
+	Game game;
+	if (!game.init("Tetris", 800, 600)) {
+		SDL_Log("Failed to init game");
+		SDL_Quit( );
+		return 1;
+	}
+
+	while (!game.isGameQuit( ))
+		game.run( );
+
+	SDL_Quit( );
+
+	return 0;
+}