💿🐜 Antkeeper source code
https://antkeeper.com
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73 lines
2.1 KiB
73 lines
2.1 KiB
/*
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* Copyright (C) 2021 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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#include "game/systems/weather-system.hpp"
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#include "scene/directional-light.hpp"
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#include "scene/ambient-light.hpp"
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#include "renderer/passes/sky-pass.hpp"
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#include "renderer/passes/shadow-map-pass.hpp"
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#include "renderer/passes/material-pass.hpp"
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#include "utility/gamma.hpp"
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#include "resources/image.hpp"
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#include "game/astronomy/celestial-coordinates.hpp"
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#include "game/astronomy/celestial-mechanics.hpp"
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#include <cmath>
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static constexpr double seconds_per_day = 24.0 * 60.0 * 60.0;
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weather_system::weather_system(entt::registry& registry):
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entity_system(registry),
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sky_pass(nullptr),
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shadow_map_pass(nullptr),
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material_pass(nullptr),
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universal_time(0.0),
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days_per_timestep(1.0 / seconds_per_day)
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{}
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void weather_system::update(double t, double dt)
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{
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// Add scaled timestep to current time
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set_universal_time(universal_time + dt * days_per_timestep);
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}
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void weather_system::set_sky_pass(::sky_pass* pass)
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{
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sky_pass = pass;
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}
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void weather_system::set_shadow_map_pass(::shadow_map_pass* pass)
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{
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shadow_map_pass = pass;
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}
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void weather_system::set_material_pass(::material_pass* pass)
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{
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material_pass = pass;
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material_pass->set_shadow_strength(0.5f);
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}
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void weather_system::set_universal_time(double time)
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{
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universal_time = time;
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}
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void weather_system::set_time_scale(double scale)
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{
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days_per_timestep = scale / seconds_per_day;
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}
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