From f4824f5e7e6cee12bec602f3240770945a73d043 Mon Sep 17 00:00:00 2001 From: Loek Le Blansch Date: Fri, 6 Dec 2024 17:13:59 +0100 Subject: add more fetching functions to ComponentManager --- src/crepe/api/Script.h | 7 +++++ src/crepe/manager/ComponentManager.cpp | 14 ++++++++++ src/crepe/manager/ComponentManager.h | 18 ++++++++++-- src/crepe/manager/ComponentManager.hpp | 51 ++++++++++++++++++++-------------- src/test/ECSTest.cpp | 34 +++++++++++++++++++++++ 5 files changed, 101 insertions(+), 23 deletions(-) (limited to 'src') diff --git a/src/crepe/api/Script.h b/src/crepe/api/Script.h index 1b339b0..5862bae 100644 --- a/src/crepe/api/Script.h +++ b/src/crepe/api/Script.h @@ -84,6 +84,13 @@ protected: template RefVector get_components() const; + /** + * \copydoc ComponentManager::get_components_by_id + * \see ComponentManager::get_components_by_id + */ + template + RefVector get_components_by_id(game_object_id_t id) const; + /** * \brief Log a message using Log::logf * diff --git a/src/crepe/manager/ComponentManager.cpp b/src/crepe/manager/ComponentManager.cpp index 80cf8b4..44774d9 100644 --- a/src/crepe/manager/ComponentManager.cpp +++ b/src/crepe/manager/ComponentManager.cpp @@ -1,4 +1,5 @@ #include "../api/GameObject.h" +#include "../api/Metadata.h" #include "../types.h" #include "../util/Log.h" @@ -61,3 +62,16 @@ GameObject ComponentManager::new_object(const string & name, const string & tag, void ComponentManager::set_persistent(game_object_id_t id, bool persistent) { this->persistent[id] = persistent; } + +set ComponentManager::get_objects_by_name(const string & name) const { + return this->get_objects_by_predicate([name](const Metadata & data) { + return data.name == name; + }); +} + +set ComponentManager::get_objects_by_tag(const string & tag) const { + return this->get_objects_by_predicate([tag](const Metadata & data) { + return data.tag == tag; + }); +} + diff --git a/src/crepe/manager/ComponentManager.h b/src/crepe/manager/ComponentManager.h index ad37586..5f2cf3c 100644 --- a/src/crepe/manager/ComponentManager.h +++ b/src/crepe/manager/ComponentManager.h @@ -4,6 +4,7 @@ #include #include #include +#include #include "../Component.h" #include "../types.h" @@ -136,6 +137,17 @@ public: RefVector get_components_by_type() const; private: + template + std::set get_objects_by_predicate(const std::function & pred) const; + + std::set get_objects_by_name(const std::string & name) const; + std::set get_objects_by_tag(const std::string & tag) const; + +private: + template + using by_type = std::unordered_map; + template + using by_id_index = std::vector; /** * \brief The components * @@ -146,8 +158,7 @@ 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>>> - components; + by_type>>> components; //! Persistent flag for each GameObject std::unordered_map persistent; @@ -156,6 +167,9 @@ private: game_object_id_t next_id = 0; }; +// template <> +// RefVector ComponentManager::get_components_by_id(game_object_id_t id) const; + } // namespace crepe #include "ComponentManager.hpp" diff --git a/src/crepe/manager/ComponentManager.hpp b/src/crepe/manager/ComponentManager.hpp index ffb38ec..25c2747 100644 --- a/src/crepe/manager/ComponentManager.hpp +++ b/src/crepe/manager/ComponentManager.hpp @@ -95,32 +95,24 @@ template RefVector ComponentManager::get_components_by_id(game_object_id_t id) const { using namespace std; - // Determine the type of T (this is used as the key of the unordered_map<>) - type_index type = typeid(T); - - // Create an empty vector<> - RefVector component_vector; - - if (this->components.find(type) == this->components.end()) return component_vector; - - // Get the correct vector<> - const vector>> & component_array = this->components.at(type); - - // Make sure that the id (that we are looking for) is within the boundaries of the vector<> - if (id >= component_array.size()) return component_vector; + static_assert(is_base_of::value, + "get_components_by_id must recieve a derivative class of Component"); - // Loop trough the whole vector<> - for (const unique_ptr & component_ptr : component_array[id]) { - // Cast the unique_ptr to a raw pointer - T * casted_component = static_cast(component_ptr.get()); + type_index type = typeid(T); + if (!this->components.contains(type)) return {}; - if (casted_component == nullptr) continue; + const by_id_index>> & components_by_id = this->components.at(type); + if (id >= components_by_id.size()) return {}; - // Add the dereferenced raw pointer to the vector<> - component_vector.push_back(*casted_component); + RefVector out = {}; + const vector> & components = components_by_id.at(id); + for (auto & component_ptr : components) { + if (component_ptr == nullptr) continue; + Component & component = *component_ptr.get(); + out.push_back(static_cast(component)); } - return component_vector; + return out; } template @@ -158,4 +150,21 @@ RefVector ComponentManager::get_components_by_type() const { return component_vector; } +template +std::set ComponentManager::get_objects_by_predicate(const std::function & pred) const { + using namespace std; + + set objects = {}; + RefVector components = this->get_components_by_type(); + + for (const T & component : components) { + game_object_id_t id = dynamic_cast(component).game_object_id; + if (objects.contains(id)) continue; + if (!pred(component)) continue; + objects.insert(id); + } + + return objects; +} + } // namespace crepe diff --git a/src/test/ECSTest.cpp b/src/test/ECSTest.cpp index 3e6c61c..a169b3b 100644 --- a/src/test/ECSTest.cpp +++ b/src/test/ECSTest.cpp @@ -1,6 +1,7 @@ #include #define protected public +#define private public #include #include @@ -387,3 +388,36 @@ TEST_F(ECSTest, resetPersistent) { EXPECT_EQ(metadata.size(), 0); EXPECT_EQ(transform.size(), 0); } + +TEST_F(ECSTest, GetByName) { + GameObject foo = mgr.new_object("foo"); + GameObject bar = mgr.new_object("bar"); + + { + auto objects = mgr.get_objects_by_name(""); + EXPECT_EQ(objects.size(), 0); + } + + { + auto objects = mgr.get_objects_by_name("foo"); + EXPECT_EQ(objects.size(), 1); + EXPECT_TRUE(objects.contains(foo.id)); + } +} + +TEST_F(ECSTest, GetByTag) { + GameObject foo = mgr.new_object("foo", "common tag"); + GameObject bar = mgr.new_object("bar", "common tag"); + + { + auto objects = mgr.get_objects_by_tag(""); + EXPECT_EQ(objects.size(), 0); + } + + { + auto objects = mgr.get_objects_by_tag("common tag"); + EXPECT_EQ(objects.size(), 2); + EXPECT_TRUE(objects.contains(foo.id)); + EXPECT_TRUE(objects.contains(bar.id)); + } +} -- cgit v1.2.3 From 90c6bf03e59fdec64f850310bcbff45ae86f69e3 Mon Sep 17 00:00:00 2001 From: Loek Le Blansch Date: Sat, 7 Dec 2024 14:18:54 +0100 Subject: more script utilities --- src/crepe/api/Script.h | 12 ++++++++ src/crepe/api/Script.hpp | 27 +++++++++++++++--- src/crepe/manager/ComponentManager.h | 20 ++++++++++++++ src/crepe/manager/ComponentManager.hpp | 23 ++++++++++++++++ src/test/CMakeLists.txt | 1 + src/test/ECSTest.cpp | 50 ++++++++++++++++++++++++++++++++-- src/test/ScriptECSTest.cpp | 42 ++++++++++++++++++++++++++++ src/test/ScriptEventTest.cpp | 2 +- src/test/ScriptSceneTest.cpp | 3 +- src/test/ScriptTest.cpp | 3 +- src/test/ScriptTest.h | 2 ++ 11 files changed, 175 insertions(+), 10 deletions(-) create mode 100644 src/test/ScriptECSTest.cpp (limited to 'src') diff --git a/src/crepe/api/Script.h b/src/crepe/api/Script.h index 5862bae..a040608 100644 --- a/src/crepe/api/Script.h +++ b/src/crepe/api/Script.h @@ -90,6 +90,18 @@ protected: */ template RefVector get_components_by_id(game_object_id_t id) const; + /** + * \copydoc ComponentManager::get_components_by_name + * \see ComponentManager::get_components_by_name + */ + template + RefVector get_components_by_name(const std::string & name) const; + /** + * \copydoc ComponentManager::get_components_by_tag + * \see ComponentManager::get_components_by_tag + */ + template + RefVector get_components_by_tag(const std::string & tag) const; /** * \brief Log a message using Log::logf diff --git a/src/crepe/api/Script.hpp b/src/crepe/api/Script.hpp index 45f1ff1..16e0dc5 100644 --- a/src/crepe/api/Script.hpp +++ b/src/crepe/api/Script.hpp @@ -20,10 +20,7 @@ T & Script::get_component() const { template RefVector Script::get_components() const { - Mediator & mediator = this->mediator; - ComponentManager & mgr = mediator.component_manager; - - return mgr.get_components_by_id(this->game_object_id); + return this->get_components_by_id(this->game_object_id); } template @@ -56,4 +53,26 @@ void Script::subscribe(const EventHandler & callback) { this->subscribe_internal(callback, EventManager::CHANNEL_ALL); } +template +RefVector Script::get_components_by_id(game_object_id_t id) const { + Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + + return mgr.get_components_by_id(id); +} +template +RefVector Script::get_components_by_name(const std::string & name) const { + Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + + return mgr.get_components_by_name(name); +} +template +RefVector Script::get_components_by_tag(const std::string & tag) const { + Mediator & mediator = this->mediator; + ComponentManager & mgr = mediator.component_manager; + + return mgr.get_components_by_tag(tag); +} + } // namespace crepe diff --git a/src/crepe/manager/ComponentManager.h b/src/crepe/manager/ComponentManager.h index 5f2cf3c..4e53954 100644 --- a/src/crepe/manager/ComponentManager.h +++ b/src/crepe/manager/ComponentManager.h @@ -135,10 +135,30 @@ public: */ template RefVector 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 + RefVector 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 + RefVector get_components_by_tag(const std::string & tag) const; private: template std::set get_objects_by_predicate(const std::function & pred) const; + template + RefVector get_components_by_ids(const std::set & ids) const; std::set get_objects_by_name(const std::string & name) const; std::set get_objects_by_tag(const std::string & tag) const; diff --git a/src/crepe/manager/ComponentManager.hpp b/src/crepe/manager/ComponentManager.hpp index 25c2747..52df368 100644 --- a/src/crepe/manager/ComponentManager.hpp +++ b/src/crepe/manager/ComponentManager.hpp @@ -167,4 +167,27 @@ std::set ComponentManager::get_objects_by_predicate(const std: return objects; } +template +RefVector ComponentManager::get_components_by_ids(const std::set & ids) const { + using namespace std; + + RefVector out = {}; + for (game_object_id_t id : ids) { + RefVector components = get_components_by_id(id); + out.insert(out.end(), components.begin(), components.end()); + } + + return out; +} + +template +RefVector ComponentManager::get_components_by_name(const std::string & name) const { + return this->get_components_by_ids(this->get_objects_by_name(name)); +} + +template +RefVector ComponentManager::get_components_by_tag(const std::string & tag) const { + return this->get_components_by_ids(this->get_objects_by_tag(tag)); +} + } // namespace crepe diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt index e19d7de..43f564a 100644 --- a/src/test/CMakeLists.txt +++ b/src/test/CMakeLists.txt @@ -15,4 +15,5 @@ target_sources(test_main PUBLIC InputTest.cpp ScriptEventTest.cpp ScriptSceneTest.cpp + ScriptECSTest.cpp ) diff --git a/src/test/ECSTest.cpp b/src/test/ECSTest.cpp index a169b3b..ed5341e 100644 --- a/src/test/ECSTest.cpp +++ b/src/test/ECSTest.cpp @@ -17,6 +17,10 @@ class ECSTest : public ::testing::Test { public: ComponentManager mgr{m}; + + class TestComponent : public Component { + using Component::Component; + }; }; TEST_F(ECSTest, createGameObject) { @@ -389,7 +393,7 @@ TEST_F(ECSTest, resetPersistent) { EXPECT_EQ(transform.size(), 0); } -TEST_F(ECSTest, GetByName) { +TEST_F(ECSTest, IDByName) { GameObject foo = mgr.new_object("foo"); GameObject bar = mgr.new_object("bar"); @@ -405,7 +409,7 @@ TEST_F(ECSTest, GetByName) { } } -TEST_F(ECSTest, GetByTag) { +TEST_F(ECSTest, IDByTag) { GameObject foo = mgr.new_object("foo", "common tag"); GameObject bar = mgr.new_object("bar", "common tag"); @@ -421,3 +425,45 @@ TEST_F(ECSTest, GetByTag) { EXPECT_TRUE(objects.contains(bar.id)); } } + +TEST_F(ECSTest, ComponentsByName) { + GameObject foo = mgr.new_object("foo"); + foo.add_component(); + GameObject bar = mgr.new_object("bar"); + bar.add_component(); + bar.add_component(); + + { + auto objects = mgr.get_components_by_name(""); + EXPECT_EQ(objects.size(), 0); + } + + { + auto objects = mgr.get_components_by_name("foo"); + EXPECT_EQ(objects.size(), 1); + } + + { + auto objects = mgr.get_components_by_name("bar"); + EXPECT_EQ(objects.size(), 2); + } +} + +TEST_F(ECSTest, ComponentsByTag) { + GameObject foo = mgr.new_object("foo", "common tag"); + foo.add_component(); + GameObject bar = mgr.new_object("bar", "common tag"); + bar.add_component(); + bar.add_component(); + + { + auto objects = mgr.get_components_by_tag(""); + EXPECT_EQ(objects.size(), 0); + } + + { + auto objects = mgr.get_components_by_tag("common tag"); + EXPECT_EQ(objects.size(), 3); + } +} + diff --git a/src/test/ScriptECSTest.cpp b/src/test/ScriptECSTest.cpp new file mode 100644 index 0000000..4477e55 --- /dev/null +++ b/src/test/ScriptECSTest.cpp @@ -0,0 +1,42 @@ +#include + +#define protected public + +#include +#include +#include +#include +#include +#include + +#include "ScriptTest.h" + +using namespace std; +using namespace crepe; +using namespace testing; + +class ScriptECSTest : public ScriptTest { +public: + class TestComponent : public Component { + using Component::Component; + }; +}; + +TEST_F(ScriptECSTest, GetOwnComponent) { + MyScript & script = this->script; + Metadata & metadata = script.get_component(); + + EXPECT_EQ(metadata.name, OBJ_NAME); +} + +TEST_F(ScriptECSTest, GetOwnComponents) { + const unsigned COUNT = 4; + + for (unsigned i = 0; i < COUNT; i++) + entity.add_component(); + + MyScript & script = this->script; + RefVector components = script.get_components(); + + EXPECT_EQ(components.size(), COUNT); +} diff --git a/src/test/ScriptEventTest.cpp b/src/test/ScriptEventTest.cpp index 5da31e7..c1b4028 100644 --- a/src/test/ScriptEventTest.cpp +++ b/src/test/ScriptEventTest.cpp @@ -26,7 +26,7 @@ public: class MyEvent : public Event {}; }; -TEST_F(ScriptEventTest, Inactive) { +TEST_F(ScriptEventTest, Default) { BehaviorScript & behaviorscript = this->behaviorscript; MyScript & script = this->script; EventManager & evmgr = this->event_manager; diff --git a/src/test/ScriptSceneTest.cpp b/src/test/ScriptSceneTest.cpp index 9ee1e52..8e849c1 100644 --- a/src/test/ScriptSceneTest.cpp +++ b/src/test/ScriptSceneTest.cpp @@ -18,7 +18,7 @@ public: class MyScene : public Scene {}; }; -TEST_F(ScriptSceneTest, Inactive) { +TEST_F(ScriptSceneTest, Default) { BehaviorScript & behaviorscript = this->behaviorscript; MyScript & script = this->script; @@ -28,3 +28,4 @@ TEST_F(ScriptSceneTest, Inactive) { script.set_next_scene(non_default_value); EXPECT_EQ(non_default_value, scene_manager.next_scene); } + diff --git a/src/test/ScriptTest.cpp b/src/test/ScriptTest.cpp index 1d2d6dd..b0b2546 100644 --- a/src/test/ScriptTest.cpp +++ b/src/test/ScriptTest.cpp @@ -6,7 +6,6 @@ #define protected public #include "ScriptTest.h" -#include using namespace std; using namespace crepe; @@ -14,7 +13,6 @@ using namespace testing; void ScriptTest::SetUp() { auto & mgr = this->component_manager; - GameObject entity = mgr.new_object("name"); BehaviorScript & component = entity.add_component(); this->behaviorscript = component; @@ -75,3 +73,4 @@ TEST_F(ScriptTest, UpdateInactive) { system.update(); } } + diff --git a/src/test/ScriptTest.h b/src/test/ScriptTest.h index 1bbfdd3..309e016 100644 --- a/src/test/ScriptTest.h +++ b/src/test/ScriptTest.h @@ -11,10 +11,12 @@ class ScriptTest : public testing::Test { protected: crepe::Mediator mediator; + static constexpr const char * OBJ_NAME = "foo"; public: crepe::ComponentManager component_manager{mediator}; crepe::ScriptSystem system{mediator}; + crepe::GameObject entity = component_manager.new_object(OBJ_NAME); class MyScript : public crepe::Script { // NOTE: explicitly stating `public:` is not required on actual scripts -- cgit v1.2.3 From f3009ab8f0785a54d3fd83c0d758c8ebd901adda Mon Sep 17 00:00:00 2001 From: Loek Le Blansch Date: Sat, 7 Dec 2024 14:19:26 +0100 Subject: `make format` --- src/crepe/manager/ComponentManager.cpp | 11 ++++------- src/crepe/manager/ComponentManager.h | 5 +++-- src/crepe/manager/ComponentManager.hpp | 11 +++++++---- src/test/ECSTest.cpp | 1 - src/test/ScriptECSTest.cpp | 5 ++--- src/test/ScriptSceneTest.cpp | 1 - src/test/ScriptTest.cpp | 1 - 7 files changed, 16 insertions(+), 19 deletions(-) (limited to 'src') diff --git a/src/crepe/manager/ComponentManager.cpp b/src/crepe/manager/ComponentManager.cpp index 44774d9..df30d27 100644 --- a/src/crepe/manager/ComponentManager.cpp +++ b/src/crepe/manager/ComponentManager.cpp @@ -64,14 +64,11 @@ void ComponentManager::set_persistent(game_object_id_t id, bool persistent) { } set ComponentManager::get_objects_by_name(const string & name) const { - return this->get_objects_by_predicate([name](const Metadata & data) { - return data.name == name; - }); + return this->get_objects_by_predicate( + [name](const Metadata & data) { return data.name == name; }); } set ComponentManager::get_objects_by_tag(const string & tag) const { - return this->get_objects_by_predicate([tag](const Metadata & data) { - return data.tag == tag; - }); + return this->get_objects_by_predicate( + [tag](const Metadata & data) { return data.tag == tag; }); } - diff --git a/src/crepe/manager/ComponentManager.h b/src/crepe/manager/ComponentManager.h index 4e53954..685cae5 100644 --- a/src/crepe/manager/ComponentManager.h +++ b/src/crepe/manager/ComponentManager.h @@ -1,10 +1,10 @@ #pragma once #include +#include #include #include #include -#include #include "../Component.h" #include "../types.h" @@ -156,7 +156,8 @@ public: private: template - std::set get_objects_by_predicate(const std::function & pred) const; + std::set + get_objects_by_predicate(const std::function & pred) const; template RefVector get_components_by_ids(const std::set & ids) const; diff --git a/src/crepe/manager/ComponentManager.hpp b/src/crepe/manager/ComponentManager.hpp index 52df368..9e70865 100644 --- a/src/crepe/manager/ComponentManager.hpp +++ b/src/crepe/manager/ComponentManager.hpp @@ -101,7 +101,8 @@ RefVector ComponentManager::get_components_by_id(game_object_id_t id) const { type_index type = typeid(T); if (!this->components.contains(type)) return {}; - const by_id_index>> & components_by_id = this->components.at(type); + const by_id_index>> & components_by_id + = this->components.at(type); if (id >= components_by_id.size()) return {}; RefVector out = {}; @@ -151,7 +152,8 @@ RefVector ComponentManager::get_components_by_type() const { } template -std::set ComponentManager::get_objects_by_predicate(const std::function & pred) const { +std::set +ComponentManager::get_objects_by_predicate(const std::function & pred) const { using namespace std; set objects = {}; @@ -168,9 +170,10 @@ std::set ComponentManager::get_objects_by_predicate(const std: } template -RefVector ComponentManager::get_components_by_ids(const std::set & ids) const { +RefVector +ComponentManager::get_components_by_ids(const std::set & ids) const { using namespace std; - + RefVector out = {}; for (game_object_id_t id : ids) { RefVector components = get_components_by_id(id); diff --git a/src/test/ECSTest.cpp b/src/test/ECSTest.cpp index ed5341e..af2b7b0 100644 --- a/src/test/ECSTest.cpp +++ b/src/test/ECSTest.cpp @@ -466,4 +466,3 @@ TEST_F(ECSTest, ComponentsByTag) { EXPECT_EQ(objects.size(), 3); } } - diff --git a/src/test/ScriptECSTest.cpp b/src/test/ScriptECSTest.cpp index 4477e55..1ec33ba 100644 --- a/src/test/ScriptECSTest.cpp +++ b/src/test/ScriptECSTest.cpp @@ -4,8 +4,8 @@ #include #include -#include #include +#include #include #include @@ -32,8 +32,7 @@ TEST_F(ScriptECSTest, GetOwnComponent) { TEST_F(ScriptECSTest, GetOwnComponents) { const unsigned COUNT = 4; - for (unsigned i = 0; i < COUNT; i++) - entity.add_component(); + for (unsigned i = 0; i < COUNT; i++) entity.add_component(); MyScript & script = this->script; RefVector components = script.get_components(); diff --git a/src/test/ScriptSceneTest.cpp b/src/test/ScriptSceneTest.cpp index 8e849c1..2568049 100644 --- a/src/test/ScriptSceneTest.cpp +++ b/src/test/ScriptSceneTest.cpp @@ -28,4 +28,3 @@ TEST_F(ScriptSceneTest, Default) { script.set_next_scene(non_default_value); EXPECT_EQ(non_default_value, scene_manager.next_scene); } - diff --git a/src/test/ScriptTest.cpp b/src/test/ScriptTest.cpp index b0b2546..acdae70 100644 --- a/src/test/ScriptTest.cpp +++ b/src/test/ScriptTest.cpp @@ -73,4 +73,3 @@ TEST_F(ScriptTest, UpdateInactive) { system.update(); } } - -- cgit v1.2.3 From 76f94a8cdd2945e26d716191b664eb906ebb9032 Mon Sep 17 00:00:00 2001 From: Loek Le Blansch Date: Sat, 7 Dec 2024 14:36:08 +0100 Subject: add doxygen comments --- src/crepe/manager/ComponentManager.h | 40 +++++++++++++++++++++++++++++++++--- 1 file changed, 37 insertions(+), 3 deletions(-) (limited to 'src') diff --git a/src/crepe/manager/ComponentManager.h b/src/crepe/manager/ComponentManager.h index e7eeaa2..19a8e81 100644 --- a/src/crepe/manager/ComponentManager.h +++ b/src/crepe/manager/ComponentManager.h @@ -155,18 +155,55 @@ public: RefVector 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 std::set get_objects_by_predicate(const std::function & 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 RefVector get_components_by_ids(const std::set & 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 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 get_objects_by_tag(const std::string & tag) const; private: + //! By Component \c std::type_index (readability helper type) template using by_type = std::unordered_map; + //! By \c game_object_id index (readability helper type) template using by_id_index = std::vector; /** @@ -188,9 +225,6 @@ private: game_object_id_t next_id = 0; }; -// template <> -// RefVector ComponentManager::get_components_by_id(game_object_id_t id) const; - } // namespace crepe #include "ComponentManager.hpp" -- cgit v1.2.3