From 6fd7cec7d4bbf5aeb361b3f1337671bb0f9af61b Mon Sep 17 00:00:00 2001 From: Loek Le Blansch Date: Thu, 28 Nov 2024 10:13:11 +0100 Subject: manager mediator refactor --- src/crepe/manager/ComponentManager.h | 161 +++++++++++++++++++++++++++++++++++ 1 file changed, 161 insertions(+) create mode 100644 src/crepe/manager/ComponentManager.h (limited to 'src/crepe/manager/ComponentManager.h') diff --git a/src/crepe/manager/ComponentManager.h b/src/crepe/manager/ComponentManager.h new file mode 100644 index 0000000..ad37586 --- /dev/null +++ b/src/crepe/manager/ComponentManager.h @@ -0,0 +1,161 @@ +#pragma once + +#include +#include +#include +#include + +#include "../Component.h" +#include "../types.h" + +#include "Manager.h" + +namespace crepe { + +class GameObject; + +/** + * \brief Manages all components + * + * This class manages all components. It provides methods to add, delete and get components. + */ +class ComponentManager : public Manager { + // TODO: This relation should be removed! I (loek) believe that the scene manager should + // create/destroy components because the GameObject's are stored in concrete Scene classes, + // which will in turn call GameObject's destructor, which will in turn call + // ComponentManager::delete_components_by_id or something. This is a pretty major change, so + // here is a comment and temporary fix instead :tada: + friend class SceneManager; + +public: + ComponentManager(Mediator & mediator); + ~ComponentManager(); // dbg_trace + + /** + * \brief Create a new game object using the component manager + * + * \param name Metadata::name (required) + * \param tag Metadata::tag (optional, empty by default) + * \param position Transform::position (optional, origin by default) + * \param rotation Transform::rotation (optional, 0 by default) + * \param scale Transform::scale (optional, 1 by default) + * + * \returns GameObject interface + * + * \note This method automatically assigns a new entity ID + */ + GameObject new_object(const std::string & name, const std::string & tag = "", + const vec2 & position = {0, 0}, double rotation = 0, + double scale = 1); + +protected: + /** + * GameObject is used as an interface to add/remove components, and the game programmer is + * supposed to use it instead of interfacing with the component manager directly. + */ + 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 + * \param args The arguments to create the component + * \return The created component + */ + template + 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 + */ + template + 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 + 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(); + /** + * \brief Set a GameObject as persistent + * + * This method sets a GameObject as persistent. If a GameObject is persistent, its + * components will not be deleted. + * + * \param id The id of the GameObject to set as persistent + * \param persistent The persistent flag + */ + void set_persistent(game_object_id_t id, bool persistent); + +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 + */ + template + RefVector 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 + RefVector get_components_by_type() const; + +private: + /** + * \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. + * + * Every component type has its own vector of vectors of unique pointers to the components. + * 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>>> + components; + + //! Persistent flag for each GameObject + std::unordered_map persistent; + + //! ID of next GameObject allocated by \c ComponentManager::new_object + game_object_id_t next_id = 0; +}; + +} // namespace crepe + +#include "ComponentManager.hpp" -- cgit v1.2.3