xy::EntityManager Class Reference

Manages the relationship between an Entity and its components. More...

#include <Entity.hpp>

Public Member Functions
	EntityManager (MessageBus &, ComponentManager &, std::size_t=256)
	EntityManager (const EntityManager &)=delete
	EntityManager (EntityManager &&)=delete
EntityManager &	operator= (const EntityManager &)=delete
EntityManager &	operator= (EntityManager &&)=delete
Entity	createEntity ()
	Creates a new Entity.
void	destroyEntity (Entity)
	Destroys the given Entity.
bool	entityDestroyed (Entity) const
	Returns true if the entity is destroyed or marked for destruction.
Entity	getEntity (Entity::ID) const
	Returns the entity at the given index if it exists TODO what if it doesn't?
template<typename T >
void	addComponent (Entity, T)
	Adds a copy of the given component to the given Entity.
template<typename T , typename... Args>
T &	addComponent (Entity, Args &&... args)
	Constructs a component on the given entity using the given params.
template<typename T >
bool	hasComponent (Entity) const
	Returns true if the given Entity has a component of this type.
template<typename T >
T &	getComponent (Entity)
	Returns a pointer to the component of this type if it exists on the given Entity else returns nullptr.
const ComponentMask &	getComponentMask (Entity) const
	Returns a reference to the component mask of the given Entity. Component masks are used to identify whether an Entity has a particular component.
bool	owns (Entity) const
	Returns true if this manager owns the given entity.
void	setLabel (Entity, const std::string &)
const std::string &	getLabel (Entity) const
	Returns the label assigned to the given entity. May be empty.
std::size_t	getEntityCount () const
	Returns the number of active entities in the manager.
template<typename T >
void	addComponent (Entity entity, T component)
template<typename T , typename... Args>
T &	addComponent (Entity entity, Args &&... args)
template<typename T >
bool	hasComponent (Entity entity) const
template<typename T >
T &	getComponent (Entity entity)
template<typename T >
Detail::ComponentPool< T > &	getPool ()

Detailed Description

Manages the relationship between an Entity and its components.

Member Function Documentation

setLabel()

void xy::EntityManager::setLabel	(	Entity	,
		const std::string &
	)

\breif Sets the label on the given entity