💿🐜 Antkeeper source code
https://antkeeper.com
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72 lines
2.3 KiB
72 lines
2.3 KiB
/*
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* Copyright (C) 2023 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ANTKEEPER_GAME_ATMOSPHERE_SYSTEM_HPP
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#define ANTKEEPER_GAME_ATMOSPHERE_SYSTEM_HPP
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#include <engine/entity/id.hpp>
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#include <engine/math/vector.hpp>
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#include <engine/render/passes/sky-pass.hpp>
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#include "game/components/atmosphere-component.hpp"
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#include "game/systems/updatable-system.hpp"
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/**
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* Updates variables related to atmospheric scattering.
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*/
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class atmosphere_system:
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public updatable_system
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{
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public:
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explicit atmosphere_system(entity::registry& registry);
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~atmosphere_system();
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virtual void update(float t, float dt);
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/**
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* Sets the wavelengths of red, green, and blue light.
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*
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* @param wavelengths Vector containing the wavelengths of red (x), green (y), and blue (z) light, in nanometers.
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*/
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void set_rgb_wavelengths(const math::dvec3& wavelengths);
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void set_sky_pass(::render::sky_pass* pass);
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/**
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* Sets the entity ID of the active atmosphere.
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*
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* @param entity_id Entity ID of the active atmosphere.
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*/
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void set_active_atmosphere(entity::id entity_id);
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private:
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void update_atmosphere(entity::id entity_id);
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void update_sky_pass();
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void on_atmosphere_construct(entity::registry& registry, entity::id entity_id);
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void on_atmosphere_update(entity::registry& registry, entity::id entity_id);
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void on_atmosphere_destroy(entity::registry& registry, entity::id entity_id);
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entity::id m_active_atmosphere_eid{entt::null};
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math::dvec3 m_rgb_wavelengths_nm{};
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math::dvec3 m_rgb_wavelengths_m{};
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math::dvec3 m_rgb_ozone_cross_sections{};
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::render::sky_pass* m_sky_pass{};
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};
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#endif // ANTKEEPER_GAME_ATMOSPHERE_SYSTEM_HPP
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