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| Original file line number | Diff line number | Diff line change |
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| @@ -1,3 +1,6 @@ | ||
| [submodule "submodules/tinyxml2"] | ||
| path = symmetri/submodules/tinyxml2 | ||
| url = https://github.com/leethomason/tinyxml2.git | ||
| [submodule "symmetri/gui/imgui"] | ||
| path = symmetri/gui/imgui | ||
| url = https://github.com/ocornut/imgui.git |
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| Original file line number | Diff line number | Diff line change |
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| // Dear ImGui: standalone example application for GLFW + OpenGL 3, using | ||
| // programmable pipeline (GLFW is a cross-platform general purpose library for | ||
| // handling windows, inputs, OpenGL/Vulkan/Metal graphics context creation, | ||
| // etc.) | ||
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| // Learn about Dear ImGui: | ||
| // - FAQ https://dearimgui.com/faq | ||
| // - Getting Started https://dearimgui.com/getting-started | ||
| // - Documentation https://dearimgui.com/docs (same as your local docs/ | ||
| // folder). | ||
| // - Introduction, links and more at the top of imgui.cpp | ||
| #define IMGUI_DEFINE_MATH_OPERATORS | ||
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| #include <stdio.h> | ||
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| #include <chrono> | ||
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| #include "imgui.h" | ||
| #include "imgui_impl_glfw.h" | ||
| #include "imgui_impl_opengl3.h" | ||
| #define GL_SILENCE_DEPRECATION | ||
| #if defined(IMGUI_IMPL_OPENGL_ES2) | ||
| #include <GLES2/gl2.h> | ||
| #endif | ||
| #include <GLFW/glfw3.h> // Will drag system OpenGL headers | ||
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| #include "rpp/rpp.hpp" | ||
| #include "rxdispatch.h" | ||
| #include "rximgui.h" | ||
| using namespace rximgui; | ||
| #include <iostream> | ||
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| #include "draw_ui.h" | ||
| #include "model.h" | ||
| #include "util.h" | ||
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| // [Win32] Our example includes a copy of glfw3.lib pre-compiled with VS2010 to | ||
| // maximize ease of testing and compatibility with old VS compilers. To link | ||
| // with VS2010-era libraries, VS2015+ requires linking with | ||
| // legacy_stdio_definitions.lib, which we do using this pragma. Your own project | ||
| // should not be affected, as you are likely to link with a newer binary of GLFW | ||
| // that is adequate for your version of Visual Studio. | ||
| #if defined(_MSC_VER) && (_MSC_VER >= 1900) && \ | ||
| !defined(IMGUI_DISABLE_WIN32_FUNCTIONS) | ||
| #pragma comment(lib, "legacy_stdio_definitions") | ||
| #endif | ||
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| // This example can also compile and run with Emscripten! See | ||
| // 'Makefile.emscripten' for details. | ||
| #ifdef __EMSCRIPTEN__ | ||
| #include "../libs/emscripten/emscripten_mainloop_stub.h" | ||
| #endif | ||
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| static void glfw_error_callback(int error, const char* description) { | ||
| fprintf(stderr, "GLFW Error %d: %s\n", error, description); | ||
| } | ||
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| // Main code | ||
| int main(int, char**) { | ||
| glfwSetErrorCallback(glfw_error_callback); | ||
| if (!glfwInit()) return 1; | ||
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| // Decide GL+GLSL versions | ||
| #if defined(IMGUI_IMPL_OPENGL_ES2) | ||
| // GL ES 2.0 + GLSL 100 | ||
| const char* glsl_version = "#version 100"; | ||
| glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2); | ||
| glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); | ||
| glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API); | ||
| #elif defined(__APPLE__) | ||
| // GL 3.2 + GLSL 150 | ||
| const char* glsl_version = "#version 150"; | ||
| glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); | ||
| glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2); | ||
| glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // 3.2+ only | ||
| glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // Required on Mac | ||
| #else | ||
| // GL 3.0 + GLSL 130 | ||
| const char* glsl_version = "#version 130"; | ||
| glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); | ||
| glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0); | ||
| // glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // 3.2+ | ||
| // only glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE); // 3.0+ only | ||
| #endif | ||
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| // Create window with graphics context | ||
| GLFWwindow* window = glfwCreateWindow( | ||
| 1280, 720, "Dear ImGui GLFW+OpenGL3 example", nullptr, nullptr); | ||
| if (window == nullptr) return 1; | ||
| glfwMakeContextCurrent(window); | ||
| glfwSwapInterval(1); // Enable vsync | ||
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| // Setup Dear ImGui context | ||
| IMGUI_CHECKVERSION(); | ||
| ImGui::CreateContext(); | ||
| ImGuiIO& io = ImGui::GetIO(); | ||
| (void)io; | ||
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| io.ConfigFlags |= | ||
| ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls | ||
| io.ConfigFlags |= | ||
| ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls | ||
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| // Setup Dear ImGui style | ||
| ImGui::StyleColorsDark(); | ||
| // ImGui::StyleColorsLight(); | ||
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| // Setup Platform/Renderer backends | ||
| ImGui_ImplGlfw_InitForOpenGL(window, true); | ||
| #ifdef __EMSCRIPTEN__ | ||
| ImGui_ImplGlfw_InstallEmscriptenCallbacks(window, "#canvas"); | ||
| #endif | ||
| ImGui_ImplOpenGL3_Init(glsl_version); | ||
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| auto reducers = rpp::source::create<model::Reducer>(&rxdispatch::dequeue) | | ||
| rpp::operators::subscribe_on(rpp::schedulers::new_thread{}); | ||
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| auto models = reducers | | ||
| rpp::operators::scan( | ||
| model::initializeModel(), | ||
| [](model::Model&& m, const model::Reducer& f) { | ||
| static size_t i = 0; | ||
| std::cout << "update " << i++ | ||
| << ", ref: " << m.data.use_count() << std::endl; | ||
| try { | ||
| m.data->timestamp = std::chrono::steady_clock::now(); | ||
| return f(std::move(m)); | ||
| } catch (const std::exception& e) { | ||
| printf("%s", e.what()); | ||
| return std::move(m); | ||
| } | ||
| }); | ||
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| auto root_subscription = | ||
| frames | rpp::operators::subscribe_on(rximgui::rl) | | ||
| rpp::operators::with_latest_from( | ||
| rxu::take_at<1>(), | ||
| models | rpp::operators::map([](const model::Model& m) { | ||
| return model::ViewModel{m}; | ||
| })) | | ||
| rpp::operators::tap(&draw_everything) | | ||
| rpp::operators::subscribe_with_disposable(); | ||
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| // Main loop | ||
| #ifdef __EMSCRIPTEN__ | ||
| // For an Emscripten build we are disabling file-system access, so let's not | ||
| // attempt to do a fopen() of the imgui.ini file. You may manually call | ||
| // LoadIniSettingsFromMemory() to load settings from your own storage. | ||
| io.IniFilename = nullptr; | ||
| EMSCRIPTEN_MAINLOOP_BEGIN | ||
| #else | ||
| while (!glfwWindowShouldClose(window)) | ||
| #endif | ||
| { | ||
| // Poll and handle events (inputs, window resize, etc.) | ||
| // You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to | ||
| // tell if dear imgui wants to use your inputs. | ||
| // - When io.WantCaptureMouse is true, do not dispatch mouse input data to | ||
| // your main application, or clear/overwrite your copy of the mouse data. | ||
| // - When io.WantCaptureKeyboard is true, do not dispatch keyboard input | ||
| // data to your main application, or clear/overwrite your copy of the | ||
| // keyboard data. Generally you may always pass all inputs to dear imgui, | ||
| // and hide them from your application based on those two flags. | ||
| glfwPollEvents(); | ||
| if (glfwGetWindowAttrib(window, GLFW_ICONIFIED) != 0) { | ||
| ImGui_ImplGlfw_Sleep(10); | ||
| continue; | ||
| } | ||
|
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| // Start the Dear ImGui frame | ||
| ImGui_ImplOpenGL3_NewFrame(); | ||
| ImGui_ImplGlfw_NewFrame(); | ||
| ImGui::NewFrame(); | ||
| while (!rl.is_empty()) { | ||
| rl.dispatch(); | ||
| }; | ||
| sendframe(); | ||
| while (!rl.is_empty()) { | ||
| rl.dispatch(); | ||
| }; | ||
| // Rendering | ||
| ImGui::Render(); | ||
| int display_w, display_h; | ||
| glfwGetFramebufferSize(window, &display_w, &display_h); | ||
| glViewport(0, 0, display_w, display_h); | ||
| glClear(GL_COLOR_BUFFER_BIT); | ||
| ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData()); | ||
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| glfwSwapBuffers(window); | ||
| } | ||
| rxdispatch::unsubscribe(); | ||
| root_subscription.dispose(); | ||
| #ifdef __EMSCRIPTEN__ | ||
| EMSCRIPTEN_MAINLOOP_END; | ||
| #endif | ||
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| // Cleanup | ||
| ImGui_ImplOpenGL3_Shutdown(); | ||
| ImGui_ImplGlfw_Shutdown(); | ||
| ImGui::DestroyContext(); | ||
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| glfwDestroyWindow(window); | ||
| glfwTerminate(); | ||
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| return 0; | ||
| } |
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