/* * Copyright (C) 2017-2019 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 . */ #ifndef SYSTEM_HPP #define SYSTEM_HPP class ComponentManager; /** * Abstract base class for entity systems. */ class System { public: /** * Creates a system. * * @param componentManager Component manager with which to associate the system. */ System(ComponentManager* componentManager); /** * Destroys a system. */ virtual ~System() = default; /** * Updates the system. * * @param t Total elapsed time, in seconds. * @param dt Time elapsed since last update, in seconds. */ virtual void update(float t, float dt) = 0; protected: ComponentManager* componentManager; }; #endif // SYSTEM_HPP