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- /*
- * Copyright (C) 2020 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_WEATHER_SYSTEM_HPP
- #define ANTKEEPER_WEATHER_SYSTEM_HPP
-
- #include "entity-system.hpp"
- #include "utility/fundamental-types.hpp"
-
- class sky_pass;
- class shadow_map_pass;
- class material_pass;
- class ambient_light;
- class directional_light;
- class image;
-
- class weather_system:
- public entity_system
- {
- public:
- weather_system(entt::registry& registry);
- virtual void update(double t, double dt);
-
- /**
- *
- * @param latitude Latitude, in radians.
- * @param longitude Longitude, in radians.
- * @param altitude Altitude, in radians.
- */
- void set_location(float latitude, float longitude, float altitude);
-
- void set_sky_pass(::sky_pass* pass);
- void set_shadow_map_pass(::shadow_map_pass* pass);
- void set_material_pass(::material_pass* pass);
-
- /**
- * Sets the current universal time.
- *
- * @param time Universal time, in days.
- */
- void set_universal_time(double time);
-
- /**
- * Sets the factor by which the timestep `dt` will be scaled before being added to the current universal time.
- *
- * @param scale Factor by which to scale the timestep.
- */
- void set_time_scale(double scale);
-
- private:
- static void load_palette(std::vector<float3>* palette, const ::image* image, unsigned int row);
- static float3 interpolate_gradient(const std::vector<float3>& gradient, float position);
-
- double universal_time;
- double days_per_timestep;
- sky_pass* sky_pass;
- shadow_map_pass* shadow_map_pass;
- material_pass* material_pass;
- };
-
- #endif // ANTKEEPER_WEATHER_SYSTEM_HPP
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