diff options
Diffstat (limited to 'src/crepe/manager/ComponentManager.h')
| -rw-r--r-- | src/crepe/manager/ComponentManager.h | 103 |
1 files changed, 86 insertions, 17 deletions
diff --git a/src/crepe/manager/ComponentManager.h b/src/crepe/manager/ComponentManager.h index ad37586..19a8e81 100644 --- a/src/crepe/manager/ComponentManager.h +++ b/src/crepe/manager/ComponentManager.h @@ -1,6 +1,7 @@ #pragma once #include <memory> +#include <set> #include <typeindex> #include <unordered_map> #include <vector> @@ -16,7 +17,7 @@ class GameObject; /** * \brief Manages all components - * + * * This class manages all components. It provides methods to add, delete and get components. */ class ComponentManager : public Manager { @@ -56,10 +57,10 @@ protected: friend class GameObject; /** * \brief Add a component to the ComponentManager - * + * * This method adds a component to the ComponentManager. The component is created with the * given arguments and added to the ComponentManager. - * + * * \tparam T The type of the component * \tparam Args The types of the arguments * \param id The id of the GameObject this component belongs to @@ -70,9 +71,9 @@ protected: T & add_component(game_object_id_t id, Args &&... args); /** * \brief Delete all components of a specific type and id - * + * * This method deletes all components of a specific type and id. - * + * * \tparam T The type of the component * \param id The id of the GameObject this component belongs to */ @@ -80,24 +81,24 @@ protected: void delete_components_by_id(game_object_id_t id); /** * \brief Delete all components of a specific type - * + * * This method deletes all components of a specific type. - * + * * \tparam T The type of the component */ template <typename T> void delete_components(); /** * \brief Delete all components of a specific id - * + * * This method deletes all components of a specific id. - * + * * \param id The id of the GameObject this component belongs to */ void delete_all_components_of_id(game_object_id_t id); /** * \brief Delete all components - * + * * This method deletes all components. */ void delete_all_components(); @@ -115,9 +116,9 @@ protected: public: /** * \brief Get all components of a specific type and id - * + * * This method gets all components of a specific type and id. - * + * * \tparam T The type of the component * \param id The id of the GameObject this component belongs to * \return A vector of all components of the specific type and id @@ -126,19 +127,88 @@ public: RefVector<T> get_components_by_id(game_object_id_t id) const; /** * \brief Get all components of a specific type - * + * * This method gets all components of a specific type. - * + * * \tparam T The type of the component * \return A vector of all components of the specific type */ template <typename T> RefVector<T> get_components_by_type() const; + /** + * \brief Get all components of a specific type on a GameObject with name \c name + * + * \tparam T The type of the component + * \param name Metadata::name for the same game_object_id as the returned components + * \return Components matching criteria + */ + template <typename T> + RefVector<T> get_components_by_name(const std::string & name) const; + /** + * \brief Get all components of a specific type on a GameObject with tag \c tag + * + * \tparam T The type of the component + * \param name Metadata::tag for the same game_object_id as the returned components + * \return Components matching criteria + */ + template <typename T> + RefVector<T> get_components_by_tag(const std::string & tag) const; private: /** + * \brief Get object IDs by predicate function + * + * This function calls the predicate function \c pred for all components matching type \c T, + * and adds their parent game_object_id to a \c std::set if the predicate returns true. + * + * \tparam T The type of the component to check the predicate against + * \param pred Predicate function + * + * \note The predicate function may be called for multiple components with the same \c + * game_object_id. In this case, the ID is added if *any* call returns \c true. + * + * \returns game_object_id for all components where the predicate returned true + */ + template <typename T> + std::set<game_object_id_t> + get_objects_by_predicate(const std::function<bool(const T &)> & pred) const; + + /** + * \brief Get components of type \c T for multiple game object IDs + * + * \tparam T The type of the components to return + * \param ids The object IDs + * + * \return All components matching type \c T and one of the IDs in \c ids + */ + template <typename T> + RefVector<T> get_components_by_ids(const std::set<game_object_id_t> & ids) const; + + /** + * \brief Get object IDs for objects with name \c name + * + * \param name Object name to match + * \returns Object IDs where Metadata::name is equal to \c name + */ + std::set<game_object_id_t> get_objects_by_name(const std::string & name) const; + /** + * \brief Get object IDs for objects with tag \c tag + * + * \param tag Object tag to match + * \returns Object IDs where Metadata::tag is equal to \c tag + */ + std::set<game_object_id_t> get_objects_by_tag(const std::string & tag) const; + +private: + //! By Component \c std::type_index (readability helper type) + template <typename T> + using by_type = std::unordered_map<std::type_index, T>; + //! By \c game_object_id index (readability helper type) + template <typename T> + using by_id_index = std::vector<T>; + /** * \brief The components - * + * * This unordered_map stores all components. The key is the type of the component and the * value is a vector of vectors of unique pointers to the components. * @@ -146,8 +216,7 @@ private: * The first vector is for the ids of the GameObjects and the second vector is for the * components (because a GameObject might have multiple components). */ - std::unordered_map<std::type_index, std::vector<std::vector<std::unique_ptr<Component>>>> - components; + by_type<by_id_index<std::vector<std::unique_ptr<Component>>>> components; //! Persistent flag for each GameObject std::unordered_map<game_object_id_t, bool> persistent; |