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61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
//
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// Created by Zoe Roux on 2021-05-14.
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//
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#pragma once
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#include <vector>
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#include <functional>
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#include <View/BaseView.hpp>
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#include "Entity/Entity.hpp"
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namespace WAL
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{
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//! @brief Represent a single scene that contains entities.
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class Scene
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{
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private:
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//! @brief The list of registered entities
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std::vector<Entity> _entities = {};
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//! @brief The list of cached views to update.
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std::vector<std::shared_ptr<BaseView>> _views = {};
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//! @brief Notify this scene that a component has been added to the given entity.
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//! @param entity The entity with the new component
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//! @param type The type of the component added.
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void _componentAdded(Entity &entity, const std::type_index &type);
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//! @brief Notify this scene that a component has been removed to the given entity.
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//! @param entity The entity with the removed component
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//! @param type The type of the component removed.
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void _componentRemoved(const Entity &entity, const std::type_index &type);
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public:
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//! @brief Get the list of entities.
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std::vector<Entity> &getEntities();
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//! @brief Add a new entity to the scene.
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//! @param name The name of the created entity.
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//! @return The created entity is returned.
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Entity &addEntity(const std::string &name);
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template<typename ...Components>
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View<Components...> &view()
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{
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static auto view = std::make_shared<View<Components...>>(this->_entities);
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this->_views.emplace_back(view);
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return *view;
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}
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//! @brief A default constructor
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Scene() = default;
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//! @brief A scene is copy constructable
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Scene(const Scene &) = default;
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//! @brief A default destructor
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~Scene() = default;
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//! @brief A scene is assignable
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Scene &operator=(const Scene &);
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Scene(Scene &&) = default;
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friend Entity;
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};
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} // namespace WAL
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