Program Listing for File GUI.ixx

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module;

#include <memory>

export module kataglyphis.opengl.gui;

import kataglyphis.opengl.window;
import kataglyphis.opengl.scene;
import kataglyphis.opengl.texture;

export class GUI
{
  public:
    GUI();

    static void init(const std::shared_ptr<Window> &main_window);

    void render(bool loading_in_progress, float progress, bool &shader_hot_reload_triggered);

    void update_user_input(const std::shared_ptr<Scene> &scene);

    ~GUI();

  private:
    std::unique_ptr<Texture> logo_tex;

    float direcional_light_radiance;
    float directional_light_color[3]{};
    float directional_light_direction[3]{};

    int cloud_speed;
    float cloud_scale;
    float cloud_density;
    float cloud_pillowness;
    float cloud_cirrus_effect;
    float cloud_mesh_scale[3]{};
    float cloud_mesh_offset[3]{};
    bool cloud_powder_effect;
    float cloud_movement_direction[3]{};
    int cloud_num_march_steps;
    int cloud_num_march_steps_to_light;

    int shadow_map_res_index;
    bool shadow_resolution_changed;
    int num_shadow_cascades;
    int pcf_radius;
    float cascaded_shadow_intensity;
    const char *available_shadow_map_resolutions[4]{};
};