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- /*
- * Copyright (C) 2021 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_ENTITY_SYSTEM_UPDATABLE_HPP
- #define ANTKEEPER_ENTITY_SYSTEM_UPDATABLE_HPP
-
- #include "entity/registry.hpp"
-
- namespace entity {
- namespace system {
-
- /**
- * Abstract base class for updatable systems.
- */
- class updatable
- {
- public:
- /**
- * Creates an updatable system.
- *
- * @param registry Reference to the registry on which the system will operate.
- */
- updatable(entity::registry& registry);
-
- /**
- * Perform's a system's update() function.
- *
- * @param t Total elapsed time, in seconds.
- * @param dt Delta time, in seconds.
- * @param registry Entity registry.
- */
- virtual void update(double t, double dt) = 0;
-
- protected:
- /// Registry on which the system operate
- entity::registry& registry;
- };
-
- } // namespace system
- } // namespace entity
-
- #endif // ANTKEEPER_ENTITY_SYSTEM_UPDATABLE_HPP
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