💿🐜 Antkeeper source code
https://antkeeper.com
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97 lines
2.5 KiB
97 lines
2.5 KiB
/*
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* Copyright (C) 2017-2019 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 ENTITY_MANAGER_HPP
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#define ENTITY_MANAGER_HPP
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#include "entity-id.hpp"
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#include "entity-id-pool.hpp"
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class ComponentManager;
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/**
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* Manages the creation and destruction of entities.
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*/
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class EntityManager
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{
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public:
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/**
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* Creates an entity manager.
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*
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* @param componentManager Component manager with which to associate this entity manag.er
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*/
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EntityManager(ComponentManager* componentManager);
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/**
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* Destroys an entity manager.
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*/
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~EntityManager();
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/**
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* Creates an entity with the next available ID.
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*
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* @return ID of the created entity.
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*/
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EntityID createEntity();
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/**
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* Creates an entity with the specified ID.
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*
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* @param id ID of the entity to be created.
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* @return `true` if the entity was created, and `false` if an entity with the specified ID already exists.
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*/
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bool createEntity(EntityID id);
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/**
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* Destroys an entity with the specified ID.
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*
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* @param id ID of the entity to be destroyed.
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*
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* @return `true` if the entity was destroyed, and `false` if an invalid ID was supplied.
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*/
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bool destroyEntity(EntityID id);
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/**
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* Returns the component manager associated with this entity manager.
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*/
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const ComponentManager* getComponentManager() const;
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/// @copydoc EntityManager::getComponentManager() const
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ComponentManager* getComponentManager();
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private:
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EntityManager(const EntityManager&) = delete;
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EntityManager& operator=(const EntityManager&) = delete;
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EntityIDPool idPool;
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ComponentManager* componentManager;
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};
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inline const ComponentManager* EntityManager::getComponentManager() const
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{
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return componentManager;
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}
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inline ComponentManager* EntityManager::getComponentManager()
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{
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return componentManager;
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}
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#endif // ENTITY_MANAGER_HPP
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