Method DrawScene

Source/Main/engine.cpp:2900–3019

}

void Engine::DrawScene(DrawingViewport drawing_viewport, Engine::PostEffectsType post_effects_type, SceneGraph::SceneDrawType scene_draw_type) {
    PROFILER_GPU_ZONE(g_profiler_ctx, "Draw scene")
    Graphics* graphics = Graphics::Instance();
    PushGPUProfileRange(__FUNCTION__);
    GLenum buffers[] = {GL_COLOR_ATTACHMENT0_EXT, GL_COLOR_ATTACHMENT1_EXT};

    {
        PROFILER_GPU_ZONE(g_profiler_ctx, "Setup Post Effects")
        graphics->PushFramebuffer();
        if (graphics->multisample_framebuffer_exists) {
            graphics->bindFramebuffer(graphics->multisample_framebuffer);
        } else {
            graphics->bindFramebuffer(graphics->framebuffer);
        }
        graphics->PushViewport();
    }

    // Prepare for drawing
    {
        PROFILER_GPU_ZONE(g_profiler_ctx, "Clear screen");
        glDrawBuffers(2, buffers);
        glClearColor(0.0f, 0.0f, 0.0f, 0);
        graphics->drawing_shadow = false;
        graphics->Clear(true);
        glDrawBuffers(1, buffers);
    }

    {
        PROFILER_GPU_ZONE(g_profiler_ctx, "Apply viewpoint");
        ActiveCameras::Get()->applyViewpoint();

        std::vector<Camera>& virt_cam = ActiveCameras::Instance()->GetVirtualCameras();

        for (auto& cam : virt_cam) {
            cam.applyViewpoint();
        }
    }

    {  // Perform per-frame, per-camera functions, like character LOD and spawning grass
        PROFILER_GPU_ZONE(g_profiler_ctx, "Pre-draw camera");
        ActiveCameras::Get()->tint = vec3(1.0);
        ActiveCameras::Get()->vignette_tint = vec3(1.0);
        float predraw_time = game_timer.GetRenderTime();
        for (auto obj : scenegraph_->objects_) {
            if (!obj->parent) {
                obj->PreDrawCamera(predraw_time);
            }
        }
    }

    if (!g_no_decals) {
        scenegraph_->PrepareLightsAndDecals(active_screen_start, active_screen_end, vec2(graphics->render_dims[0], graphics->render_dims[1]));
    }

    // Draw everything
    {
        PROFILER_GPU_ZONE(g_profiler_ctx, "Draw scenegraph");
        if (graphics->depth_prepass) {