/*
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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_UPDATABLE_SYSTEM_HPP
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#define ANTKEEPER_GAME_UPDATABLE_SYSTEM_HPP
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#include <engine/entity/registry.hpp>
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/**
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* Abstract base class for updatable systems.
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*/
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class updatable_system
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{
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public:
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/**
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* Creates an updatable system.
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*
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* @param registry Reference to the registry on which the system will operate.
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*/
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explicit updatable_system(entity::registry& registry);
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/**
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* Perform's a system's update() function.
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*
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* @param t Total elapsed time, in seconds.
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* @param dt Delta time, in seconds.
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* @param registry Entity registry.
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*/
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virtual void update(double t, double dt) = 0;
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protected:
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/// Registry on which the system operate
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entity::registry& registry;
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};
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#endif // ANTKEEPER_GAME_UPDATABLE_SYSTEM_HPP
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