Method Render

src/Renderer/RaceNetRenderer.cpp:17–74

}

void RaceNetRenderer::Render(uint32_t tick, std::vector<shared_ptr<Car>> &car_list, shared_ptr<ONFSTrack> &track_to_render) {
    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
    glClearColor(0.f, 0.f, 0.f, 1.f);
    glfwPollEvents();
    // Clear the screen
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    // ImGui restore state
    ImGui_ImplOpenGL3_NewFrame();
    ImGui_ImplGlfw_NewFrame();
    ImGui::NewFrame();

    RescaleUI();
    std::vector<int> visibleTrackBlocks = GetVisibleTrackBlocks(track_to_render);

    // Only bother to render cars if the track is visible
    if(!visibleTrackBlocks.empty()){
        raceNetShader.use();
        raceNetShader.loadProjectionMatrix(projectionMatrix);
        // Draw Track
        raceNetShader.loadColor(glm::vec3(0.f, 0.5f, 0.5f));
        for (auto &visibleTrackBlockID : visibleTrackBlocks) {
            for (auto &track_block_entity : track_to_render->track_blocks[visibleTrackBlockID].track) {
                raceNetShader.loadTransformationMatrix(boost::get<Track>(track_block_entity.glMesh).ModelMatrix);
                boost::get<Track>(track_block_entity.glMesh).render();
            }
        }

        // Draw Cars
        for (auto &car : car_list) {
            std::swap(car->car_body_model.position.y, car->car_body_model.position.z);
            std::swap(car->car_body_model.orientation.y, car->car_body_model.orientation.z);
            car->car_body_model.update();

            raceNetShader.loadColor(car->colour);
            raceNetShader.loadTransformationMatrix(car->car_body_model.ModelMatrix);
            car->car_body_model.render();
        }

        raceNetShader.unbind();
    }

    // Draw some useful info
    ImGui::Text("Tick %d", tick);
    for (auto &car : car_list) {
        ImGui::Text("Car %d %f %f %f", car->populationID, car->car_body_model.position.x, car->car_body_model.position.y, car->car_body_model.position.z);
    }

    // Draw Logger UI
    logger->onScreenLog.Draw("ONFS Log");

    // Render UI and frame
    int display_w, display_h;
    glfwGetFramebufferSize(window, &display_w, &display_h);
    glViewport(0, 0, display_w, display_h);
    ImGui::Render();
    ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
    glfwSwapBuffers(window);
}