limit fps to 60 and disable imgui demo window
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parent
610ed10011
commit
9d9a486537
@ -386,6 +386,7 @@ void ChatGui4::renderMessageBodyFile(Message3Registry& reg, const Message3 e) {
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[](const auto& path) -> bool { return std::filesystem::is_directory(path); },
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[this, ®, e](const auto& path) {
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if (reg.valid(e)) { // still valid
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// TODO: trim file?
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reg.emplace<Message::Components::Transfer::ActionAccept>(e, path.string());
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_rmm.throwEventUpdate(reg, e);
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}
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27
src/main.cpp
27
src/main.cpp
@ -12,9 +12,19 @@
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#include <memory>
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#include <future>
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#include <iostream>
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#include <thread>
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#include <chrono>
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int main(int argc, char** argv) {
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if (SDL_Init(SDL_INIT_EVERYTHING) < 0) {
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// setup hints
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if (SDL_SetHint(SDL_HINT_VIDEO_ALLOW_SCREENSAVER, "1") != SDL_TRUE) {
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std::cerr << "Failed to set '" << SDL_HINT_VIDEO_ALLOW_SCREENSAVER << "' to 1\n";
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}
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auto last_time = std::chrono::steady_clock::now();
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// actual setup
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if (SDL_Init(SDL_INIT_VIDEO) < 0) {
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std::cerr << "SDL_Init failed (" << SDL_GetError() << ")\n";
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return 1;
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}
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@ -54,8 +64,13 @@ int main(int argc, char** argv) {
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std::unique_ptr<Screen> screen = std::make_unique<StartScreen>(renderer.get());
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bool quit = false;
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while (!quit) {
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auto new_time = std::chrono::steady_clock::now();
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//const float time_delta {std::chrono::duration<float, std::chrono::seconds::period>(new_time - last_time).count()};
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last_time = new_time;
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SDL_Event event;
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while (SDL_PollEvent(&event)) {
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if (event.type == SDL_EVENT_QUIT) {
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@ -73,6 +88,11 @@ int main(int argc, char** argv) {
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break;
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}
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//float fps_target = 60.f;
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//if (SDL_GetWindowFlags(window.get()) & (SDL_WINDOW_HIDDEN | SDL_WINDOW_MINIMIZED)) {
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//fps_target = 30.f;
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//}
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ImGui_ImplSDLRenderer3_NewFrame();
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ImGui_ImplSDL3_NewFrame();
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ImGui::NewFrame();
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@ -91,6 +111,11 @@ int main(int argc, char** argv) {
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// clearing after present is (should) more performant, but first frame is a mess
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SDL_SetRenderDrawColor(renderer.get(), 0x10, 0x10, 0x10, SDL_ALPHA_OPAQUE);
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SDL_RenderClear(renderer.get());
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std::this_thread::sleep_for( // time left to get to 60fps
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std::chrono::duration<float, std::chrono::seconds::period>(0.0166f) // 60fps frame duration
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- std::chrono::duration<float, std::chrono::seconds::period>(std::chrono::steady_clock::now() - new_time) // time used for rendering
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);
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}
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return 0;
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@ -84,7 +84,7 @@ Screen* MainScreen::poll(bool& quit) {
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cg.render();
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{
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if constexpr (false) {
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bool open = !quit;
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ImGui::ShowDemoWindow(&open);
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quit = !open;
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