Manages game objects within a scene, handling registration, ID allocation, and GPU buffer synchronization for meshlet-to-object mappings. More...

#include <SceneManager.h>

Collaboration diagram for EngineCore::SceneManager:

Public Member Functions
	SceneManager (ApplicationContext *context)
	~SceneManager ()
std::vector< Actor * >	getAllActors ()
	Gets a list of pointers to all actors in the scene.
std::vector< Entity * >	getAllEntities ()
	Gets a list of pointers to all entities in the current scene.
template<typename T>
std::vector< T * >	getAllComponentsOfClassFromActors ()
	Gets a list of all components over all actors (EXPENSIVE!)
MeshComponent *	registerGameObject (MeshComponent *gameObject)
	registers a game object to the active scene
void	unregisterGameObject (const MeshComponent *gameObject)
	unregisters a game object from the active scene
uint32_t	getGameObjectCount () const
	returns the amount of objects present in the current scene
const std::vector< MeshComponent * > &	getGameObjects () const
const MeshComponent *	getGameObject (const scene_object_id id) const
const VulkanBuffer &	getMeshletToObjectBuffer () const
void	cleanup ()
void	uploadGameObjectToMeshletMap ()
	Uploads the changed data to the buffer on the gpu. Is only one buffer.
void	destroyMeshletToObjectMapBuffer ()
template<typename T>
void	loadScene ()
	Triggers the load of a new scene. Will be executed once the current frame has finished processing.
bool	isSceneChangePending () const
	Checks if a scene change has been requested.
void	executePendingSceneLoading ()
	Executes the pending scene load. Should be called between frames.
void	unloadScene ()
	Unloads the current scene.
void	clear ()
	Clears all game objects and resets the manager state for a new scene.
Scene *	getActiveScene () const
void	setActiveScene (Scene *scene)
void	setAssetManager (AssetManager *manager)
	Sets the asset manager that will be injected into scenes.

Private Member Functions
void	addMeshToMap (const MeshComponent *gameObject)
void	addMeshesToMap (const std::vector< MeshComponent * > &gameObjects)
void	rebuildMeshMap ()
void	createMeshletToObjectMapBuffer (ApplicationContext *context)
void	loadSceneContent () const

Private Attributes
AssetManager *	assetManager_ = nullptr
std::vector< MeshComponent * >	gameObjects = {}
std::vector< uint32_t >	gameObjectToMeshletMap {}
std::optional< VulkanBuffer >	meshletToObjectMapBuffer {}
ApplicationContext *	context = nullptr
Scene *	activeScene = nullptr
std::function< void()>	pendingSceneLoad

Detailed Description

Manages game objects within a scene, handling registration, ID allocation, and GPU buffer synchronization for meshlet-to-object mappings.

Definition at line 22 of file SceneManager.h.

Constructor & Destructor Documentation

◆ SceneManager()

EngineCore::SceneManager::SceneManager ( ApplicationContext * context )

explicit

Definition at line 13 of file SceneManager.cpp.

References context, and createMeshletToObjectMapBuffer().

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◆ ~SceneManager()

EngineCore::SceneManager::~SceneManager ( )

Definition at line 17 of file SceneManager.cpp.

Member Function Documentation

◆ addMeshesToMap()

void EngineCore::SceneManager::addMeshesToMap ( const std::vector< MeshComponent * > & gameObjects )

private

Definition at line 144 of file SceneManager.cpp.

References gameObjects.

◆ addMeshToMap()

void EngineCore::SceneManager::addMeshToMap ( const MeshComponent * gameObject )

private

Definition at line 140 of file SceneManager.cpp.

◆ cleanup()

void EngineCore::SceneManager::cleanup ( )

Definition at line 74 of file SceneManager.cpp.

References destroyMeshletToObjectMapBuffer(), and unloadScene().

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◆ clear()

void EngineCore::SceneManager::clear ( )

Clears all game objects and resets the manager state for a new scene.

Definition at line 104 of file SceneManager.cpp.

References gameObjects, and gameObjectToMeshletMap.

Referenced by unloadScene().

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◆ createMeshletToObjectMapBuffer()

void EngineCore::SceneManager::createMeshletToObjectMapBuffer ( ApplicationContext * context )

private

Definition at line 152 of file SceneManager.cpp.

References context, MAX_MESHLETS_PER_BIN, and meshletToObjectMapBuffer.

Referenced by SceneManager().

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◆ destroyMeshletToObjectMapBuffer()

void EngineCore::SceneManager::destroyMeshletToObjectMapBuffer ( )

Definition at line 164 of file SceneManager.cpp.

References meshletToObjectMapBuffer.

Referenced by cleanup().

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◆ executePendingSceneLoading()

void EngineCore::SceneManager::executePendingSceneLoading ( )

Executes the pending scene load. Should be called between frames.

Definition at line 84 of file SceneManager.cpp.

References activeScene, pendingSceneLoad, TRACY_ZONE_SCOPED_NAMED, and unloadScene().

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◆ getActiveScene()

Scene * EngineCore::SceneManager::getActiveScene ( ) const

inlinenodiscard

Definition at line 111 of file SceneManager.h.

References activeScene.

◆ getAllActors()

std::vector< Actor * > EngineCore::SceneManager::getAllActors ( )

Gets a list of pointers to all actors in the scene.

Returns: List of pointers to all actors

Definition at line 20 of file SceneManager.cpp.

References activeScene, and TRACY_ZONE_SCOPED_NAMED.

Referenced by EngineCore::RenderingDataManager::collectMaterialsFromScene().

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◆ getAllComponentsOfClassFromActors()

template<typename T>

std::vector< T * > EngineCore::SceneManager::getAllComponentsOfClassFromActors ( )

Gets a list of all components over all actors (EXPENSIVE!)

Template Parameters

T	Type of the component. Has to be a subclass of EngineCore::LogicComponent

Returns: a list of all components of a certain class from all actors (expensive)

Definition at line 143 of file SceneManager.h.

References activeScene.

◆ getAllEntities()

std::vector< Entity * > EngineCore::SceneManager::getAllEntities ( )

Gets a list of pointers to all entities in the current scene.

Returns: list of pointers to all entities in the current scene

Definition at line 33 of file SceneManager.cpp.

References activeScene.

◆ getGameObject()

const MeshComponent * EngineCore::SceneManager::getGameObject ( const scene_object_id id ) const

nodiscard

Definition at line 63 of file SceneManager.cpp.

References gameObjects.

◆ getGameObjectCount()

uint32_t EngineCore::SceneManager::getGameObjectCount ( ) const

inlinenodiscard

returns the amount of objects present in the current scene

Definition at line 59 of file SceneManager.h.

References gameObjects.

◆ getGameObjects()

const std::vector< MeshComponent * > & EngineCore::SceneManager::getGameObjects ( ) const

nodiscard

Definition at line 59 of file SceneManager.cpp.

References gameObjects.

◆ getMeshletToObjectBuffer()

const VulkanBuffer & EngineCore::SceneManager::getMeshletToObjectBuffer ( ) const

nodiscard

Definition at line 70 of file SceneManager.cpp.

References meshletToObjectMapBuffer.

◆ isSceneChangePending()

bool EngineCore::SceneManager::isSceneChangePending ( ) const

nodiscard

Checks if a scene change has been requested.

Returns: true if a scene change is pending

Definition at line 80 of file SceneManager.cpp.

References pendingSceneLoad.

◆ loadScene()

template<typename T>

void EngineCore::SceneManager::loadScene ( )

Triggers the load of a new scene. Will be executed once the current frame has finished processing.

Template Parameters

T	Type of the scene to load. Has to be child of EngineCore::Scene

Author: Konstantin Passig

Date: 10.12.2025

Definition at line 161 of file SceneManager.h.

References activeScene, assetManager_, loadSceneContent(), and pendingSceneLoad.

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◆ loadSceneContent()

void EngineCore::SceneManager::loadSceneContent ( ) const

private

Definition at line 127 of file SceneManager.cpp.

References activeScene.

Referenced by loadScene(), and setActiveScene().

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◆ rebuildMeshMap()

void EngineCore::SceneManager::rebuildMeshMap ( )

private

Definition at line 148 of file SceneManager.cpp.

◆ registerGameObject()

MeshComponent * EngineCore::SceneManager::registerGameObject ( MeshComponent * gameObject )

registers a game object to the active scene

Definition at line 39 of file SceneManager.cpp.

References gameObjects.

◆ setActiveScene()

void EngineCore::SceneManager::setActiveScene ( Scene * scene )

Definition at line 109 of file SceneManager.cpp.

References activeScene, assetManager_, loadSceneContent(), and unloadScene().

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◆ setAssetManager()

void EngineCore::SceneManager::setAssetManager ( AssetManager * manager )

Sets the asset manager that will be injected into scenes.

Parameters

manager Pointer to the AssetManager

Definition at line 123 of file SceneManager.cpp.

References assetManager_.

◆ unloadScene()

void EngineCore::SceneManager::unloadScene ( )

Unloads the current scene.

Definition at line 93 of file SceneManager.cpp.

References activeScene, clear(), and TRACY_ZONE_SCOPED_NAMED.

Referenced by cleanup(), executePendingSceneLoading(), and setActiveScene().

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◆ unregisterGameObject()

void EngineCore::SceneManager::unregisterGameObject ( const MeshComponent * gameObject )

unregisters a game object from the active scene

Definition at line 45 of file SceneManager.cpp.

References gameObjects.

◆ uploadGameObjectToMeshletMap()

void EngineCore::SceneManager::uploadGameObjectToMeshletMap ( )

Uploads the changed data to the buffer on the gpu. Is only one buffer.

Date: 2025-07-02

Author: Konstantin Passig

Definition at line 136 of file SceneManager.cpp.

References gameObjectToMeshletMap, and meshletToObjectMapBuffer.

Member Data Documentation

◆ activeScene

Scene* EngineCore::SceneManager::activeScene = nullptr

private

Definition at line 136 of file SceneManager.h.

Referenced by executePendingSceneLoading(), getActiveScene(), getAllActors(), getAllComponentsOfClassFromActors(), getAllEntities(), loadScene(), loadSceneContent(), setActiveScene(), and unloadScene().

◆ assetManager_

AssetManager* EngineCore::SceneManager::assetManager_ = nullptr

private

Definition at line 121 of file SceneManager.h.

Referenced by loadScene(), setActiveScene(), and setAssetManager().

◆ context

ApplicationContext* EngineCore::SceneManager::context = nullptr

private

Definition at line 134 of file SceneManager.h.

Referenced by createMeshletToObjectMapBuffer(), and SceneManager().

◆ gameObjects

std::vector<MeshComponent *> EngineCore::SceneManager::gameObjects = {}

private

Definition at line 122 of file SceneManager.h.

Referenced by addMeshesToMap(), clear(), getGameObject(), getGameObjectCount(), getGameObjects(), registerGameObject(), and unregisterGameObject().

◆ gameObjectToMeshletMap

std::vector<uint32_t> EngineCore::SceneManager::gameObjectToMeshletMap {}

private

Definition at line 124 of file SceneManager.h.

Referenced by clear(), and uploadGameObjectToMeshletMap().

◆ meshletToObjectMapBuffer

std::optional<VulkanBuffer> EngineCore::SceneManager::meshletToObjectMapBuffer {}

private

Definition at line 130 of file SceneManager.h.

Referenced by createMeshletToObjectMapBuffer(), destroyMeshletToObjectMapBuffer(), getMeshletToObjectBuffer(), and uploadGameObjectToMeshletMap().

◆ pendingSceneLoad

std::function<void()> EngineCore::SceneManager::pendingSceneLoad

private

Definition at line 137 of file SceneManager.h.

Referenced by executePendingSceneLoading(), isSceneChangePending(), and loadScene().

The documentation for this class was generated from the following files:

/home/magerbeton/Documents/gl3-vulkan/Engine/include/Engine/World/SceneManager.h
/home/magerbeton/Documents/gl3-vulkan/Engine/src/Engine/World/SceneManager.cpp

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ SceneManager()

◆ ~SceneManager()

Member Function Documentation

◆ addMeshesToMap()

◆ addMeshToMap()

◆ cleanup()

◆ clear()

◆ createMeshletToObjectMapBuffer()

◆ destroyMeshletToObjectMapBuffer()

◆ executePendingSceneLoading()

◆ getActiveScene()

◆ getAllActors()

◆ getAllComponentsOfClassFromActors()

◆ getAllEntities()

◆ getGameObject()

◆ getGameObjectCount()

◆ getGameObjects()

◆ getMeshletToObjectBuffer()

◆ isSceneChangePending()

◆ loadScene()

◆ loadSceneContent()

◆ rebuildMeshMap()

◆ registerGameObject()

◆ setActiveScene()

◆ setAssetManager()

◆ unloadScene()

◆ unregisterGameObject()

◆ uploadGameObjectToMeshletMap()

Member Data Documentation

◆ activeScene

◆ assetManager_

◆ context

◆ gameObjects

◆ gameObjectToMeshletMap

◆ meshletToObjectMapBuffer

◆ pendingSceneLoad