#include "Render.hpp" #include #include #include #include #include "Shader.hpp" #include "AssetManager.hpp" #include "Event.hpp" #include "DebugInfo.hpp" #include "Game.hpp" #include "World.hpp" #include "GameState.hpp" #include "RendererWorld.hpp" #include "Settings.hpp" #include "Framebuffer.hpp" #include "Plugin.hpp" #include "Rml.hpp" Render::Render(unsigned int windowWidth, unsigned int windowHeight, std::string windowTitle) { InitEvents(); Settings::Load(); InitSdl(windowWidth, windowHeight, windowTitle); glCheckError(); InitGlew(); glCheckError(); AssetManager::InitAssetManager(); glCheckError(); PrepareToRendering(); glCheckError(); InitRml(); glCheckError(); //Read settings strcpy(fieldUsername, Settings::Read("username", "HelloOne").c_str()); strcpy(fieldServerAddr, Settings::Read("serverAddr", "127.0.0.1").c_str()); fieldDistance = Settings::ReadDouble("renderDistance", 2.0); fieldTargetFps = Settings::ReadDouble("targetFps", 60.0); fieldSensetivity = Settings::ReadDouble("mouseSensetivity", 0.1); fieldVsync = Settings::ReadBool("vsync", false); fieldWireframe = Settings::ReadBool("wireframe", false); fieldFlight = Settings::ReadBool("flight", false); fieldBrightness = Settings::ReadDouble("brightness", 0.2f); fieldResolutionScale = Settings::ReadDouble("resolutionScale", 1.0f); //Apply settings if (fieldSensetivity != sensetivity) sensetivity = fieldSensetivity; isWireframe = fieldWireframe; GetTime()->SetDelayLength(std::chrono::duration(1.0 / fieldTargetFps * 1000.0)); if (fieldVsync) { GetTime()->SetDelayLength(std::chrono::milliseconds(0)); SDL_GL_SetSwapInterval(1); } else SDL_GL_SetSwapInterval(0); framebuffer->Resize(renderState.WindowWidth * fieldResolutionScale, renderState.WindowHeight * fieldResolutionScale); LOG(INFO) << "Supported threads: " << std::thread::hardware_concurrency(); } Render::~Render() { Settings::Write("username", fieldUsername); Settings::Write("serverAddr", fieldServerAddr); Settings::WriteDouble("renderDistance", fieldDistance); Settings::WriteDouble("targetFps", fieldTargetFps); Settings::WriteDouble("mouseSensetivity", fieldSensetivity); Settings::WriteBool("vsync", fieldVsync); Settings::WriteBool("wireframe", fieldWireframe); Settings::WriteBool("flight", fieldFlight); Settings::WriteDouble("brightness", fieldBrightness); Settings::WriteDouble("resolutionScale", fieldResolutionScale); Settings::Save(); Rml::RemoveContext("default"); rmlRender.reset(); rmlSystem.reset(); PluginSystem::Init(); framebuffer.reset(); SDL_GL_DeleteContext(glContext); SDL_DestroyWindow(window); SDL_Quit(); } void Render::InitSdl(unsigned int WinWidth, unsigned int WinHeight, std::string WinTitle) { LOG(INFO) << "Creating window: " << WinWidth << "x" << WinHeight << " \"" << WinTitle << "\""; if (SDL_Init(SDL_INIT_VIDEO) < 0) throw std::runtime_error("SDL initalization failed: " + std::string(SDL_GetError())); SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3); SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1); SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24); window = SDL_CreateWindow( WinTitle.c_str(), SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, WinWidth, WinHeight, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE); if (!window) throw std::runtime_error("Window creation failed: " + std::string(SDL_GetError())); glContext = SDL_GL_CreateContext(window); if (!glContext) throw std::runtime_error("OpenGl context creation failed: " + std::string(SDL_GetError())); SetMouseCapture(false); renderState.WindowWidth = WinWidth; renderState.WindowHeight = WinHeight; SDL_GL_SetSwapInterval(0); } void Render::InitGlew() { LOG(INFO) << "Initializing GLEW"; glewExperimental = GL_TRUE; GLenum glewStatus = glewInit(); glCheckError(); if (glewStatus != GLEW_OK) { LOG(FATAL) << "Failed to initialize GLEW: " << glewGetErrorString(glewStatus); } int width, height; SDL_GL_GetDrawableSize(window, &width, &height); glViewport(0, 0, width, height); glClearColor(0.8,0.8,0.8, 1.0f); glEnable(GL_DEPTH_TEST); glDepthFunc(GL_LEQUAL); glEnable(GL_CULL_FACE); glCullFace(GL_BACK); glFrontFace(GL_CCW); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glCheckError(); if (glActiveTexture == nullptr) { throw std::runtime_error("GLEW initialization failed with unknown reason"); } } void Render::PrepareToRendering() { //TextureAtlas texture glActiveTexture(GL_TEXTURE0); glBindTexture(GL_TEXTURE_2D_ARRAY, AssetManager::GetTextureAtlasId()); int width, height; SDL_GL_GetDrawableSize(window, &width, &height); framebuffer = std::make_unique(width, height, true); Framebuffer::GetDefault().Activate(); Framebuffer::GetDefault().Resize(width, height); } void Render::UpdateKeyboard() { SDL_Scancode toUpdate[] = { SDL_SCANCODE_A,SDL_SCANCODE_W,SDL_SCANCODE_S,SDL_SCANCODE_D,SDL_SCANCODE_SPACE }; const Uint8 *kbState = SDL_GetKeyboardState(0); for (auto key : toUpdate) { bool isPressed = kbState[key]; if (!isKeyPressed[key] && isPressed) { PUSH_EVENT("KeyPressed", key); } if (isKeyPressed[key] && isPressed) { //KeyHeld } if (isKeyPressed[key] && !isPressed) { PUSH_EVENT("KeyReleased", key); } isKeyPressed[key] = isPressed; } } void Render::RenderFrame() { OPTICK_EVENT(); framebuffer->Clear(); Framebuffer::GetDefault().Clear(); if (renderWorld) framebuffer->Activate(); if (isWireframe) glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); if (renderWorld) world->Render(renderState); if (isWireframe) glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); if (renderWorld) framebuffer->RenderTo(Framebuffer::GetDefault()); RenderGui(); if (world) { world->Update(GetTime()->RemainTimeMs()); } OPTICK_EVENT("VSYNC"); SDL_GL_SwapWindow(window); } void Render::HandleEvents() { SDL_PumpEvents(); SDL_Event event; while (SDL_PollEvent(&event)) { switch (event.type) { case SDL_QUIT: { LOG(INFO) << "Received close event by window closing"; PUSH_EVENT("Exit",0); break; } case SDL_WINDOWEVENT: { switch (event.window.event) { case SDL_WINDOWEVENT_RESIZED: { int width, height; SDL_GL_GetDrawableSize(window, &width, &height); renderState.WindowWidth = width; renderState.WindowHeight = height; rmlRender->Update(width, height); rmlContext->SetDimensions(Rml::Vector2i(width, height)); framebuffer->Resize(width * fieldResolutionScale, height * fieldResolutionScale); Framebuffer::GetDefault().Resize(width, height); break; } case SDL_WINDOWEVENT_FOCUS_GAINED: HasFocus = true; break; case SDL_WINDOWEVENT_FOCUS_LOST: { HasFocus = false; State state = GetState(); if (state == State::Inventory || state == State::Playing || state == State::Chat) { SetState(State::Paused); } break; } } break; } case SDL_KEYDOWN: { switch (event.key.keysym.scancode) { case SDL_SCANCODE_ESCAPE: { auto state = GetState(); if (state == State::Playing) { SetState(State::Paused); } else if (state == State::Paused || state == State::Inventory || state == State::Chat) { SetState(State::Playing); } else if (state == State::MainMenu) { LOG(INFO) << "Received close event by esc"; PUSH_EVENT("Exit", 0); } break; } case SDL_SCANCODE_E: { auto state = GetState(); if (state == State::Playing) { SetState(State::Inventory); } else if (state == State::Inventory) { SetState(State::Playing); } break; } case SDL_SCANCODE_SLASH: case SDL_SCANCODE_T: { auto state = GetState(); if (state == State::Playing) { SetState(State::Chat); } else if (state == State::Chat) { SetState(State::Playing); } break; } default: break; } break; } case SDL_MOUSEMOTION: { if (isMouseCaptured) { double deltaX = event.motion.xrel; double deltaY = event.motion.yrel; deltaX *= sensetivity; deltaY *= sensetivity * -1; PUSH_EVENT("MouseMove", std::make_tuple(deltaX, deltaY)); } else { int mouseX, mouseY; SDL_GetMouseState(&mouseX, &mouseY); rmlContext->ProcessMouseMove(mouseX, mouseY, 0); } break; } case SDL_MOUSEBUTTONDOWN: { if (isMouseCaptured) { if (event.button.button == SDL_BUTTON_LEFT) PUSH_EVENT("LmbPressed", 0); else if (event.button.button == SDL_BUTTON_RIGHT) PUSH_EVENT("RmbPressed", 0); } else { if (event.button.button == SDL_BUTTON_MIDDLE) event.button.button = SDL_BUTTON_RIGHT; else if (event.button.button == SDL_BUTTON_RIGHT) event.button.button = SDL_BUTTON_MIDDLE; rmlContext->ProcessMouseButtonDown(event.button.button - 1, 0); } break; } case SDL_MOUSEBUTTONUP: { if (isMouseCaptured) { if (event.button.button == SDL_BUTTON_LEFT) PUSH_EVENT("LmbReleased", 0); else if (event.button.button == SDL_BUTTON_RIGHT) PUSH_EVENT("RmbReleased", 0); } else { if (event.button.button == SDL_BUTTON_MIDDLE) event.button.button = SDL_BUTTON_RIGHT; else if (event.button.button == SDL_BUTTON_RIGHT) event.button.button = SDL_BUTTON_MIDDLE; rmlContext->ProcessMouseButtonUp(event.button.button - 1, 0); } break; } default: break; } } rmlContext->Update(); } void Render::HandleMouseCapture() { } void Render::SetMouseCapture(bool IsCaptured) { if (IsCaptured == isMouseCaptured) return; isMouseCaptured = IsCaptured; if (isMouseCaptured) { SDL_GetGlobalMouseState(&prevMouseX, &prevMouseY); } SDL_CaptureMouse(IsCaptured ? SDL_TRUE : SDL_FALSE); SDL_SetRelativeMouseMode(IsCaptured ? SDL_TRUE : SDL_FALSE); if (!isMouseCaptured) { SDL_WarpMouseGlobal(prevMouseX, prevMouseY); } } void Render::Update() { OPTICK_EVENT(); HandleEvents(); if (HasFocus && GetState() == State::Playing) UpdateKeyboard(); if (isMouseCaptured) HandleMouseCapture(); glCheckError(); RenderFrame(); listener.HandleAllEvents(); } void Render::RenderGui() { OPTICK_EVENT(); rmlContext->Render(); } void Render::InitEvents() { listener.RegisterHandler("ConnectionSuccessfull", [this](const Event&) { stateString = "Logging in..."; }); listener.RegisterHandler("PlayerConnected", [this](const Event&) { stateString = "Loading terrain..."; world = std::make_unique(); world->MaxRenderingDistance = fieldDistance; PUSH_EVENT("UpdateSectionsRender", 0); }); listener.RegisterHandler("RemoveLoadingScreen", [this](const Event&) { stateString = "Playing"; renderWorld = true; SetState(State::Playing); glClearColor(0, 0, 0, 1.0f); GetGameState()->GetPlayer()->isFlying = this->fieldFlight; PUSH_EVENT("SetMinLightLevel", fieldBrightness); }); listener.RegisterHandler("ConnectionFailed", [this](const Event& eventData) { stateString = "Connection failed: " + eventData.get (); renderWorld = false; world.reset(); SetState(State::MainMenu); glClearColor(0.8, 0.8, 0.8, 1.0f); }); listener.RegisterHandler("Disconnected", [this](const Event& eventData) { stateString = "Disconnected: " + eventData.get(); renderWorld = false; world.reset(); SetState(State::MainMenu); glClearColor(0.8, 0.8, 0.8, 1.0f); }); listener.RegisterHandler("Connecting", [this](const Event&) { stateString = "Connecting to the server..."; SetState(State::Loading); }); listener.RegisterHandler("ChatMessageReceived", [this](const Event& eventData) { auto data = eventData.get>(); std::string msg = "(" + std::to_string((int)std::get<1>(data)) + ") " + (std::get<0>(data).ToPlainText()); chatMessages.push_back(msg); }); listener.RegisterHandler("StateUpdated", [this](const Event& eventData) { switch (GetState()) { case State::Playing: SetMouseCapture(true); PluginSystem::CallOnChangeState("Playing"); break; case State::InitialLoading: PluginSystem::CallOnChangeState("InitialLoading"); SetMouseCapture(false); break; case State::MainMenu: PluginSystem::CallOnChangeState("MainMenu"); SetMouseCapture(false); break; case State::Loading: PluginSystem::CallOnChangeState("Loading"); SetMouseCapture(false); break; case State::Paused: PluginSystem::CallOnChangeState("Paused"); SetMouseCapture(false); break; case State::Inventory: PluginSystem::CallOnChangeState("Inventory"); SetMouseCapture(false); break; case State::Chat: PluginSystem::CallOnChangeState("Chat"); SetMouseCapture(false); break; } }); } void Render::InitRml() { LOG(INFO) << "Initializing Rml"; rmlSystem = std::make_unique(); Rml::SetSystemInterface(rmlSystem.get()); rmlRender = std::make_unique(renderState); Rml::SetRenderInterface(rmlRender.get()); rmlRender->Update(renderState.WindowWidth, renderState.WindowHeight); if (!Rml::Initialise()) LOG(WARNING) << "Rml not initialized"; Rml::Lua::Initialise(PluginSystem::GetLuaState()); rmlContext = Rml::CreateContext("default", Rml::Vector2i(renderState.WindowWidth, renderState.WindowHeight)); if (!Rml::LoadFontFace("OpenSans-Regular.ttf")) LOG(WARNING) << "Rml font not loaded"; Rml::ElementDocument* document = rmlContext->LoadDocument("test.rml"); if (document) document->Show(); else LOG(WARNING) << "Rml document not loaded"; }