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- /*
- * 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 <http://www.gnu.org/licenses/>.
- */
-
- #ifndef ENTITY_MANAGER_HPP
- #define ENTITY_MANAGER_HPP
-
- #include "entity-id.hpp"
- #include "entity-id-pool.hpp"
-
- class ComponentManager;
-
- /**
- * Manages the creation and destruction of entities.
- */
- class EntityManager
- {
- public:
- /**
- * Creates an entity manager.
- *
- * @param componentManager Component manager with which to associate this entity manag.er
- */
- EntityManager(ComponentManager* componentManager);
-
- /**
- * Destroys an entity manager.
- */
- ~EntityManager();
-
- /**
- * Creates an entity with the next available ID.
- *
- * @return ID of the created entity.
- */
- EntityID createEntity();
-
- /**
- * Creates an entity with the specified ID.
- *
- * @param id ID of the entity to be created.
- * @return `true` if the entity was created, and `false` if an entity with the specified ID already exists.
- */
- bool createEntity(EntityID id);
-
- /**
- * Destroys an entity with the specified ID.
- *
- * @param id ID of the entity to be destroyed.
- *
- * @return `true` if the entity was destroyed, and `false` if an invalid ID was supplied.
- */
- bool destroyEntity(EntityID id);
-
- /**
- * Returns the component manager associated with this entity manager.
- */
- const ComponentManager* getComponentManager() const;
-
- /// @copydoc EntityManager::getComponentManager() const
- ComponentManager* getComponentManager();
-
- private:
- EntityManager(const EntityManager&) = delete;
- EntityManager& operator=(const EntityManager&) = delete;
-
- EntityIDPool idPool;
- ComponentManager* componentManager;
- };
-
- inline const ComponentManager* EntityManager::getComponentManager() const
- {
- return componentManager;
- }
-
- inline ComponentManager* EntityManager::getComponentManager()
- {
- return componentManager;
- }
-
- #endif // ENTITY_MANAGER_HPP
-
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