Method processEvents

src/Abyss/AbyssEngine.cpp:104–160

}

void AbyssEngine::processEvents(const std::chrono::duration<double> deltaTime) {
    const absl::btree_map<uint8_t, Enums::MouseButton> buttonMap = {
        {SDL_BUTTON_LEFT, Enums::MouseButton::Left}, {SDL_BUTTON_RIGHT, Enums::MouseButton::Right}, {SDL_BUTTON_MIDDLE, Enums::MouseButton::Middle}};
    SDL_Event event;
    while (SDL_PollEvent(&event)) {
        ImGui_ImplSDL2_ProcessEvent(&event);
        switch (event.type) {
        case SDL_QUIT:
            _running = false;
            return;
        case SDL_MOUSEMOTION: {
            const auto mx = (event.motion.x - _renderRect.x) * 800 / _renderRect.w;
            const auto my = (event.motion.y - _renderRect.y) * 600 / _renderRect.h;
            _mouseOverGameWindow = mx >= 0 && mx < 800 && my >= 0 && my < 600;

            _mouseState.setPosition(std::clamp(mx, 0, 799), std::clamp(my, 0, 599));
        } break;
        case SDL_MOUSEBUTTONDOWN:
            if (_videoStream != nullptr && event.button.button == SDL_BUTTON_LEFT) {
                _videoStream->stopVideo();
                break;
            }
            _mouseState.setButtonState(buttonMap.at(event.button.button), true);
            break;
        case SDL_MOUSEBUTTONUP:
            _mouseState.setButtonState(buttonMap.at(event.button.button), false);
            break;
        case SDL_KEYDOWN:
            // If alt/option+enter is pressed, toggle fullscreen
            if (event.key.keysym.sym == SDLK_RETURN && (event.key.keysym.mod & KMOD_ALT) != 0) {
                if (const auto flags = SDL_GetWindowFlags(_window.get()); (flags & SDL_WINDOW_FULLSCREEN_DESKTOP) == 0) {
                    SDL_SetWindowFullscreen(_window.get(), SDL_WINDOW_FULLSCREEN_DESKTOP);
                } else {
                    SDL_SetWindowFullscreen(_window.get(), 0);
                }
                updateRenderRect();
            }
            break;
        case SDL_WINDOWEVENT:
            if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
                updateRenderRect();
            }

            break;
        default:
            break;
        }

        if (_videoStream == nullptr && _currentScene != nullptr)
            _currentScene->processEvent(event);
    }

    if (_videoStream != nullptr) {
        _videoStream->update(static_cast<uint32_t>(deltaTime.count() * 1000.0));
    } else if (_currentScene != nullptr)
        _currentScene->update(deltaTime);
}