Move SDK include and source to base
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Lynix
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src/NazaraSDK/Application.cpp
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229
src/NazaraSDK/Application.cpp
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// Copyright (C) 2017 Jérôme Leclercq
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// This file is part of the "Nazara Development Kit"
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// For conditions of distribution and use, see copyright notice in Prerequisites.hpp
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#include <NazaraSDK/Application.hpp>
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#include <Nazara/Core/Log.hpp>
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#include <regex>
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#ifndef NDK_SERVER
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#include <Nazara/Graphics/ForwardRenderTechnique.hpp>
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#include <Nazara/Utility/SimpleTextDrawer.hpp>
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#include <NazaraSDK/Components/CameraComponent.hpp>
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#include <NazaraSDK/Components/GraphicsComponent.hpp>
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#include <NazaraSDK/Components/NodeComponent.hpp>
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#include <NazaraSDK/Systems/RenderSystem.hpp>
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#endif
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namespace Ndk
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{
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/*!
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* \ingroup NDK
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* \class Ndk::Application
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* \brief NDK class that represents the application, it offers a set of tools to ease the development
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*/
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/*!
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* \brief Constructs an Application object with command-line arguments
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*
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* Pass the argc and argv arguments from the main function.
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*
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* Command-line arguments can be retrieved by application methods
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*
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* This calls Sdk::Initialize()
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*
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* \remark Only one Application instance can exist at a time
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*/
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Application::Application(int argc, char* argv[]) :
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Application()
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{
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std::regex optionRegex(R"(-(\w+))");
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std::regex valueRegex(R"(-(\w+)\s*=\s*(.+))");
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std::smatch results;
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for (int i = 1; i < argc; ++i)
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{
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std::string argument(argv[i]);
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if (std::regex_match(argument, results, valueRegex))
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{
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Nz::String key(results[1].str());
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Nz::String value(results[2].str());
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m_parameters[key.ToLower()] = value;
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NazaraDebug("Registred parameter from command-line: " + key.ToLower() + "=" + value);
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}
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else if (std::regex_match(argument, results, optionRegex))
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{
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Nz::String option(results[1].str());
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m_options.insert(option);
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NazaraDebug("Registred option from command-line: " + option);
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}
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else
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NazaraWarning("Ignored command-line argument #" + Nz::String::Number(i) + " \"" + argument + '"');
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}
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#ifndef NDK_SERVER
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if (HasOption("console"))
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EnableConsole(true);
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if (HasOption("fpscounter"))
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EnableFPSCounter(true);
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#endif
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}
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/*!
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* \brief Runs the application by updating worlds, taking care about windows, ...
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*/
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bool Application::Run()
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{
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#ifndef NDK_SERVER
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bool hasAtLeastOneActiveWindow = false;
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auto it = m_windows.begin();
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while (it != m_windows.end())
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{
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Nz::Window& window = *it->window;
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window.ProcessEvents();
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if (!window.IsOpen(true))
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{
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it = m_windows.erase(it);
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continue;
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}
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hasAtLeastOneActiveWindow = true;
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++it;
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}
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if (m_exitOnClosedWindows && !hasAtLeastOneActiveWindow)
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return false;
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#endif
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if (m_shouldQuit)
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return false;
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m_updateTime = m_updateClock.Restart() / 1'000'000.f;
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for (World& world : m_worlds)
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world.Update(m_updateTime);
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#ifndef NDK_SERVER
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for (WindowInfo& info : m_windows)
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{
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if (!info.overlayWorld)
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continue;
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if (info.fpsCounter)
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{
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FPSCounterOverlay& fpsCounter = *info.fpsCounter;
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fpsCounter.frameCount++;
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fpsCounter.elapsedTime += m_updateTime;
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if (fpsCounter.elapsedTime >= 1.f)
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{
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fpsCounter.sprite->Update(Nz::SimpleTextDrawer::Draw("FPS: " + Nz::String::Number(fpsCounter.frameCount), 36));
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fpsCounter.frameCount = 0;
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fpsCounter.elapsedTime = 0.f;
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}
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}
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info.overlayWorld->Update(m_updateTime);
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}
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#endif
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return true;
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}
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#ifndef NDK_SERVER
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void Application::SetupConsole(WindowInfo& info)
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{
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std::unique_ptr<ConsoleOverlay> overlay = std::make_unique<ConsoleOverlay>();
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Nz::Vector2ui windowDimensions;
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if (info.window->IsValid())
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windowDimensions = info.window->GetSize();
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else
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windowDimensions.MakeZero();
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overlay->console = info.canvas->Add<Console>();
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Console& consoleRef = *overlay->console;
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consoleRef.Resize({float(windowDimensions.x), windowDimensions.y / 4.f});
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consoleRef.Show(false);
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// Redirect logs toward the console
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overlay->logSlot.Connect(Nz::Log::OnLogWrite, [&consoleRef] (const Nz::String& str)
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{
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consoleRef.AddLine(str);
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});
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// Setup a few event callback to handle the console
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Nz::EventHandler& eventHandler = info.window->GetEventHandler();
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overlay->keyPressedSlot.Connect(eventHandler.OnKeyPressed, [&consoleRef] (const Nz::EventHandler*, const Nz::WindowEvent::KeyEvent& event)
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{
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if (event.code == Nz::Keyboard::F9)
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{
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// Toggle console visibility and focus
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if (consoleRef.IsVisible())
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{
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consoleRef.ClearFocus();
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consoleRef.Show(false);
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}
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else
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{
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consoleRef.Show(true);
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consoleRef.SetFocus();
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}
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}
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});
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overlay->resizedSlot.Connect(info.renderTarget->OnRenderTargetSizeChange, [&consoleRef] (const Nz::RenderTarget* renderTarget)
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{
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Nz::Vector2ui size = renderTarget->GetSize();
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consoleRef.Resize({float(size.x), size.y / 4.f});
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});
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info.console = std::move(overlay);
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}
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void Application::SetupFPSCounter(WindowInfo& info)
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{
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std::unique_ptr<FPSCounterOverlay> fpsCounter = std::make_unique<FPSCounterOverlay>();
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fpsCounter->sprite = Nz::TextSprite::New();
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fpsCounter->entity = info.overlayWorld->CreateEntity();
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fpsCounter->entity->AddComponent<NodeComponent>();
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fpsCounter->entity->AddComponent<GraphicsComponent>().Attach(fpsCounter->sprite);
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info.fpsCounter = std::move(fpsCounter);
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}
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void Application::SetupOverlay(WindowInfo& info)
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{
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info.overlayWorld = std::make_unique<World>(false); //< No default system
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if (info.window->IsValid())
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info.canvas = std::make_unique<Canvas>(info.overlayWorld->CreateHandle(), info.window->GetEventHandler(), info.window->GetCursorController().CreateHandle());
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RenderSystem& renderSystem = info.overlayWorld->AddSystem<RenderSystem>();
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renderSystem.ChangeRenderTechnique<Nz::ForwardRenderTechnique>();
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renderSystem.SetDefaultBackground(nullptr);
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renderSystem.SetGlobalUp(Nz::Vector3f::Down());
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EntityHandle viewer = info.overlayWorld->CreateEntity();
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CameraComponent& camComponent = viewer->AddComponent<CameraComponent>();
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viewer->AddComponent<NodeComponent>();
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camComponent.SetProjectionType(Nz::ProjectionType_Orthogonal);
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camComponent.SetTarget(info.renderTarget);
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}
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#endif
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Application* Application::s_application = nullptr;
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}
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