EntityManager

Manages entities creation and component memory management.

class EntityManager {

this(EventManager eventManager, size_t maxComponent, size_t poolSize);

size_t size();

size_t capacity();

bool valid(Entity.Id id);

Entity create();

Entity getEntity(Entity.Id id);

int opApply(int delegate(Entity entity) dg);

auto components();

auto entitiesWith();

}

Constructors

this this(EventManager eventManager, size_t maxComponent, size_t poolSize): Constructor of the entity-manager. eventManager may be used to notify about entity creation and component registration. maxComponent sets the maximum number of components supported by the whole manager. poolSize is the chunk size in bytes for each components.

Members

Functions

capacity size_t capacity(): Current capacity entity.
components auto components(): Return a range of all the valid instances of a component.
create Entity create(): Create an entity.
entitiesWith auto entitiesWith(): Allows to browse through the entities that have a required set of components.
getEntity Entity getEntity(Entity.Id id): Returns an entity from an an entity-id
opApply int opApply(int delegate(Entity entity) dg): Allows to browse through all the valid entities of the manager with a foreach loop.
size size_t size(): Current number of managed entities.
valid bool valid(Entity.Id id): Return true if the given entity ID is still valid.

Meta

Source

See Implementation

entitysysd entity classes

EntityManager

structs

Entity