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- /*
- * Copyright (C) 2021 Christopher J. Howard
- *
- * This file is part of Antkeeper source code.
- *
- * Antkeeper source code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Antkeeper source code is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
- */
-
- #ifndef ANTKEEPER_RENDER_SKY_PASS_HPP
- #define ANTKEEPER_RENDER_SKY_PASS_HPP
-
- #include "render/pass.hpp"
- #include "utility/fundamental-types.hpp"
- #include "event/event-handler.hpp"
- #include "event/input-events.hpp"
- #include "animation/tween.hpp"
- #include "math/quaternion-type.hpp"
- #include "gl/shader-program.hpp"
- #include "gl/shader-input.hpp"
- #include "gl/vertex-buffer.hpp"
- #include "gl/vertex-array.hpp"
- #include "gl/texture-2d.hpp"
- #include "gl/drawing-mode.hpp"
- #include "math/se3.hpp"
- #include "scene/object.hpp"
-
- class resource_manager;
-
- namespace render {
-
- class material;
- class model;
-
- /**
- *
- */
- class sky_pass: public pass,
- public event_handler<mouse_moved_event>
- {
- public:
- sky_pass(gl::rasterizer* rasterizer, const gl::framebuffer* framebuffer, resource_manager* resource_manager);
- virtual ~sky_pass();
- virtual void render(const render::context& ctx, render::queue& queue) const final;
-
- void update_tweens();
-
- void set_magnification(float scale);
-
- void set_sky_model(const model* model);
- void set_moon_model(const model* model);
- void set_stars_model(const model* model);
- void set_clouds_model(const model* model);
-
- void set_icrf_to_eus(const math::transformation::se3<float>& transformation);
-
- void set_sun_position(const float3& position);
- void set_sun_luminance(const float3& luminance);
- void set_sun_illuminance(const float3& illuminance);
- void set_sun_angular_radius(float radius);
- void set_planet_radius(float radius);
- void set_atmosphere_upper_limit(float limit);
- void set_observer_elevation(float elevation);
- void set_rayleigh_parameters(float scale_height, const float3& scattering);
- void set_mie_parameters(float scale_height, float scattering, float absorption, float anisotropy);
- void set_ozone_parameters(float lower_limit, float upper_limit, float mode, const float3& absorption);
-
- void set_moon_position(const float3& position);
- void set_moon_rotation(const math::quaternion<float>& rotation);
- void set_moon_angular_radius(float angular_radius);
- void set_moon_sunlight_direction(const float3& direction);
- void set_moon_sunlight_illuminance(const float3& illuminance);
- void set_moon_planetlight_direction(const float3& direction);
- void set_moon_planetlight_illuminance(const float3& illuminance);
-
- private:
- virtual void handle_event(const mouse_moved_event& event);
-
- gl::shader_program* sky_shader_program;
- const gl::shader_input* model_view_projection_input;
- const gl::shader_input* mouse_input;
- const gl::shader_input* resolution_input;
- const gl::shader_input* time_input;
- const gl::shader_input* exposure_input;
- const gl::shader_input* sun_direction_input;
- const gl::shader_input* sun_luminance_input;
- const gl::shader_input* sun_illuminance_input;
- const gl::shader_input* sun_angular_radius_input;
- const gl::shader_input* atmosphere_radii_input;
- const gl::shader_input* observer_elevation_input;
- const gl::shader_input* rayleigh_parameters_input;
- const gl::shader_input* mie_parameters_input;
- const gl::shader_input* ozone_distribution_input;
- const gl::shader_input* ozone_absorption_input;
-
- gl::shader_program* moon_shader_program;
- const gl::shader_input* moon_model_input;
- const gl::shader_input* moon_view_projection_input;
- const gl::shader_input* moon_normal_model_input;
- const gl::shader_input* moon_camera_position_input;
- const gl::shader_input* moon_sunlight_direction_input;
- const gl::shader_input* moon_sunlight_illuminance_input;
- const gl::shader_input* moon_planetlight_direction_input;
- const gl::shader_input* moon_planetlight_illuminance_input;
-
- const model* sky_model;
- const material* sky_material;
- const gl::vertex_array* sky_model_vao;
- gl::drawing_mode sky_model_drawing_mode;
- std::size_t sky_model_start_index;
- std::size_t sky_model_index_count;
-
- const model* moon_model;
- const material* moon_material;
- const gl::vertex_array* moon_model_vao;
- gl::drawing_mode moon_model_drawing_mode;
- std::size_t moon_model_start_index;
- std::size_t moon_model_index_count;
-
- const model* stars_model;
- const material* star_material;
- const gl::vertex_array* stars_model_vao;
- gl::drawing_mode stars_model_drawing_mode;
- std::size_t stars_model_start_index;
- std::size_t stars_model_index_count;
- gl::shader_program* star_shader_program;
- const gl::shader_input* star_model_view_input;
- const gl::shader_input* star_projection_input;
- const gl::shader_input* star_exposure_input;
- const gl::shader_input* star_distance_input;
-
- const model* clouds_model;
- const material* cloud_material;
- const gl::vertex_array* clouds_model_vao;
- gl::drawing_mode clouds_model_drawing_mode;
- std::size_t clouds_model_start_index;
- std::size_t clouds_model_index_count;
-
- gl::shader_program* cloud_shader_program;
- const gl::shader_input* cloud_model_view_projection_input;
- const gl::shader_input* cloud_sun_direction_input;
- const gl::shader_input* cloud_sun_illuminance_input;
- const gl::shader_input* cloud_camera_position_input;
- const gl::shader_input* cloud_camera_exposure_input;
-
- const gl::texture_2d* blue_noise_map;
- const gl::texture_2d* sky_gradient;
- const gl::texture_2d* sky_gradient2;
- float2 mouse_position;
-
- tween<float> observer_elevation_tween;
- tween<float3> sun_position_tween;
- tween<float3> sun_luminance_tween;
- tween<float3> sun_illuminance_tween;
- tween<float3> icrf_to_eus_translation;
- tween<math::quaternion<float>> icrf_to_eus_rotation;
-
- tween<float3> moon_position_tween;
- tween<math::quaternion<float>> moon_rotation_tween;
- tween<float> moon_angular_radius_tween;
- tween<float3> moon_sunlight_direction_tween;
- tween<float3> moon_sunlight_illuminance_tween;
- tween<float3> moon_planetlight_direction_tween;
- tween<float3> moon_planetlight_illuminance_tween;
-
- float sun_angular_radius;
- float atmosphere_upper_limit;
- float3 atmosphere_radii;
- float observer_elevation;
- float4 rayleigh_parameters;
- float4 mie_parameters;
- float3 ozone_distribution;
- float3 ozone_absorption;
-
- float magnification;
- };
-
- } // namespace render
-
- #endif // ANTKEEPER_RENDER_SKY_PASS_HPP
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