aboutsummaryrefslogtreecommitdiff
path: root/src/crepe/manager/ComponentManager.h
diff options
context:
space:
mode:
authorWBoerenkamps <wrj.boerenkamps@student.avans.nl>2024-12-11 16:28:37 +0100
committerWBoerenkamps <wrj.boerenkamps@student.avans.nl>2024-12-11 16:28:37 +0100
commita108f7360e03cc7826ad4ed0cee464b1196fa456 (patch)
tree2de89843620b8ec65b99a56bd3c2428bef733852 /src/crepe/manager/ComponentManager.h
parentd80c98ee03e59e0c38e025a7fe83ab4c39115fb8 (diff)
parent78c4a8772526f40c531b5402b56932b0a41e22e8 (diff)
Merge branch 'master' of https://github.com/lonkaars/crepe into wouter/text-component
Diffstat (limited to 'src/crepe/manager/ComponentManager.h')
-rw-r--r--src/crepe/manager/ComponentManager.h73
1 files changed, 71 insertions, 2 deletions
diff --git a/src/crepe/manager/ComponentManager.h b/src/crepe/manager/ComponentManager.h
index 44429d9..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>
@@ -134,8 +135,77 @@ public:
*/
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
*
@@ -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;