#include "Core.hpp" const GLfloat vertices[] = { //Z+ edge -0.5f, 0.5f, 0.5f, -0.5f, -0.5f, 0.5f, 0.5f, -0.5f, 0.5f, -0.5f, 0.5f, 0.5f, 0.5f, -0.5f, 0.5f, 0.5f, 0.5f, 0.5f, //Z- edge -0.5f, -0.5f, -0.5f, -0.5f, 0.5f, -0.5f, 0.5f, -0.5f, -0.5f, 0.5f, -0.5f, -0.5f, -0.5f, 0.5f, -0.5f, 0.5f, 0.5f, -0.5f, //X+ edge -0.5f, -0.5f, -0.5f, -0.5f, -0.5f, 0.5f, -0.5f, 0.5f, -0.5f, -0.5f, 0.5f, -0.5f, -0.5f, -0.5f, 0.5f, -0.5f, 0.5f, 0.5f, //X- edge 0.5f, -0.5f, 0.5f, 0.5f, 0.5f, -0.5f, 0.5f, 0.5f, 0.5f, 0.5f, -0.5f, 0.5f, 0.5f, -0.5f, -0.5f, 0.5f, 0.5f, -0.5f, //Y+ edge 0.5f, 0.5f, -0.5f, -0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, -0.5f, -0.5f, 0.5f, -0.5f, -0.5f, 0.5f, 0.5f, //Y- edge -0.5f, -0.5f, 0.5f, 0.5f, -0.5f, -0.5f, 0.5f, -0.5f, 0.5f, -0.5f, -0.5f, -0.5f, 0.5f, -0.5f, -0.5f, -0.5f, -0.5f, 0.5f, }; const GLfloat uv_coords[] = { //Z+ 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 1.0f, //Z- 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, //X+ 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 1.0f, //X- 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, //Y+ 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, //Y- 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, }; Core::Core() { LOG(INFO) << "Core initializing..."; InitSfml(1280, 720, "AltCraft"); InitGlew(); PrepareToWorldRendering(); client = new NetworkClient("127.0.0.1", 25565, "HelloOne"); gameState = new GameState(client); std::thread loop = std::thread(&Core::UpdateGameState,this); std::swap(loop,gameStateLoopThread); assetManager = new AssetManager; LOG(INFO) << "Core is initialized"; } Core::~Core() { LOG(INFO) << "Core stopping..."; delete shader; delete client; delete gameState; LOG(INFO) << "Core is stopped"; } void Core::Exec() { isRunning = true; while (isRunning) { static sf::Clock clock, clock1; deltaTime = clock.getElapsedTime().asSeconds(); absTime = clock1.getElapsedTime().asSeconds(); clock.restart(); static bool alreadyDone = false; if (gameState->g_IsGameStarted && !alreadyDone) { alreadyDone = true; UpdateChunksToRender(); } std::ostringstream toWindow; glm::highp_vec3 camPos(camera.Position); toWindow << std::setprecision(2) << std::fixed; toWindow << "Pos: " << camPos.x << ", " << camPos.y << ", " << camPos.z << "; "; toWindow << "FPS: " << (1.0f / deltaTime) << " "; window->setTitle(toWindow.str()); HandleEvents(); if (isMouseCaptured) HandleMouseCapture(); RenderFrame(); } } void Core::RenderFrame() { glClearColor(0.2f, 0.3f, 0.3f, 1.0f); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); switch (currentState) { case MainMenu: //RenderGui(MenuScreen); break; case Loading: //RenderGui(LoadingScreen); break; case Playing: RenderWorld(gameState->world); //RenderGui(HUD); break; case PauseMenu: RenderWorld(gameState->world); //RenderGui(PauseGui); break; } window->display(); } void Core::InitSfml(unsigned int WinWidth, unsigned int WinHeight, std::string WinTitle) { LOG(INFO) << "Creating window: " << WinWidth << "x" << WinHeight << " \"" << WinTitle << "\""; sf::ContextSettings contextSetting; contextSetting.majorVersion = 3; contextSetting.minorVersion = 3; contextSetting.attributeFlags = contextSetting.Core; contextSetting.depthBits = 24; window = new sf::Window(sf::VideoMode(WinWidth, WinHeight), WinTitle, sf::Style::Default, contextSetting); window->setVerticalSyncEnabled(true); window->setPosition(sf::Vector2i(sf::VideoMode::getDesktopMode().width / 2 - window->getSize().x / 2, sf::VideoMode::getDesktopMode().height / 2 - window->getSize().y / 2)); SetMouseCapture(false); } void Core::InitGlew() { LOG(INFO) << "Initializing GLEW"; glewExperimental = GL_TRUE; GLenum glewStatus = glewInit(); if (glewStatus != GLEW_OK) { LOG(FATAL) << "Failed to initialize GLEW: " << glewGetErrorString(glewStatus); } glViewport(0, 0, width(), height()); glEnable(GL_DEPTH_TEST); glEnable(GL_CULL_FACE); glCullFace(GL_BACK); glFrontFace(GL_CCW); } unsigned int Core::width() { return window->getSize().x; } unsigned int Core::height() { return window->getSize().y; } void Core::HandleEvents() { sf::Event event; while (window->pollEvent(event)) { switch (event.type) { case sf::Event::Closed: isRunning = false; break; case sf::Event::Resized: glViewport(0, 0, width(), height()); break; case sf::Event::KeyPressed: switch (event.key.code) { case sf::Keyboard::Escape: isRunning = false; break; case sf::Keyboard::T: SetMouseCapture(!isMouseCaptured); break; default: break; } case sf::Event::MouseWheelScrolled: //camera.ProcessMouseScroll(event.mouseWheelScroll.delta); break; default: break; } } if (sf::Keyboard::isKeyPressed(sf::Keyboard::W)) camera.ProcessKeyboard(Camera_Movement::FORWARD, deltaTime); if (sf::Keyboard::isKeyPressed(sf::Keyboard::S)) camera.ProcessKeyboard(Camera_Movement::BACKWARD, deltaTime); if (sf::Keyboard::isKeyPressed(sf::Keyboard::A)) camera.ProcessKeyboard(Camera_Movement::LEFT, deltaTime); if (sf::Keyboard::isKeyPressed(sf::Keyboard::D)) camera.ProcessKeyboard(Camera_Movement::RIGHT, deltaTime); } void Core::HandleMouseCapture() { sf::Vector2i mousePos = sf::Mouse::getPosition(*window); sf::Vector2i center = sf::Vector2i(window->getSize().x / 2, window->getSize().y / 2); sf::Mouse::setPosition(center, *window); mouseXDelta = (mousePos - center).x, mouseYDelta = (center - mousePos).y; camera.ProcessMouseMovement(mouseXDelta, mouseYDelta); } void Core::RenderGui(Gui &Target) { } void Core::RenderWorld(World &Target) { shader->Use(); GLint modelLoc = glGetUniformLocation(shader->Program, "model"); GLint projectionLoc = glGetUniformLocation(shader->Program, "projection"); GLint viewLoc = glGetUniformLocation(shader->Program, "view"); GLint blockLoc = glGetUniformLocation(shader->Program, "block"); GLint timeLoc = glGetUniformLocation(shader->Program, "time"); glm::mat4 projection = glm::perspective(camera.Zoom, (float) width() / (float) height(), 0.1f, 1000.0f); glm::mat4 view = camera.GetViewMatrix(); glUniformMatrix4fv(projectionLoc, 1, GL_FALSE, glm::value_ptr(projection)); glUniformMatrix4fv(viewLoc, 1, GL_FALSE, glm::value_ptr(view)); glUniform1f(timeLoc, absTime); glBindVertexArray(VAO); for (auto §ionPos:toRender) { Section §ion = gameState->world.m_sections.find(sectionPos)->second; for (int y = 0; y < 16; y++) { for (int z = 0; z < 16; z++) { for (int x = 0; x < 16; x++) { glm::mat4 model; model = glm::translate(model, glm::vec3(sectionPos.GetX() * 16, sectionPos.GetY() * 16, sectionPos.GetZ() * 16)); model = glm::translate(model, glm::vec3(x, y, z)); Block block = section.GetBlock(Vector(x, y, z)); glUniformMatrix4fv(modelLoc, 1, GL_FALSE, glm::value_ptr(model)); glUniform1i(blockLoc, block.id); glActiveTexture(GL_TEXTURE0); //glBindTexture(GL_TEXTURE_2D, texture1.texture); glUniform1i(glGetUniformLocation(shader->Program, "blockTexture"), 0); glDrawArrays(GL_TRIANGLES, 0, 36); } } } } glBindVertexArray(0); } void Core::SetMouseCapture(bool IsCaptured) { window->setMouseCursorVisible(!isMouseCaptured); sf::Mouse::setPosition(sf::Vector2i(window->getSize().x / 2, window->getSize().y / 2), *window); isMouseCaptured = IsCaptured; window->setMouseCursorVisible(!IsCaptured); } void Core::PrepareToWorldRendering() { glGenBuffers(1, &VBO); glGenBuffers(1, &VBO2); glGenVertexArrays(1, &VAO); glBindVertexArray(VAO); { glBindBuffer(GL_ARRAY_BUFFER, VBO2); glBufferData(GL_ARRAY_BUFFER, sizeof(uv_coords), uv_coords, GL_STATIC_DRAW); glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, 2 * sizeof(GLfloat), 0); glEnableVertexAttribArray(2); glBindBuffer(GL_ARRAY_BUFFER, VBO); glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW); glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), 0); glEnableVertexAttribArray(0); } glBindVertexArray(0); shader = new Shader("./shaders/simple.vs", "./shaders/simple.fs"); shader->Use(); } void Core::UpdateChunksToRender() { camera.Position = glm::vec3(gameState->g_PlayerX, gameState->g_PlayerY, gameState->g_PlayerZ); toRender.clear(); const float ChunkDistance = 1; Vector playerChunk = Vector(floor(gameState->g_PlayerX / 16.0f), floor(gameState->g_PlayerY / 16.0f), floor(gameState->g_PlayerZ / 16.0f)); for (auto &it:gameState->world.m_sections) { Vector chunkPosition = it.first; Vector delta = chunkPosition - playerChunk; if (delta.GetDistance() > ChunkDistance) continue; toRender.push_back(chunkPosition); } LOG(INFO) << "Chunks to render: " << toRender.size(); } void Core::UpdateGameState() { while (gameState && client){ gameState->Update(); } }