Entity

An entity an aggregate of components (pure data), accessible with an id.

class Entity {

this(EntityManager manager, ID id);

inout(ID) id();

inout(C) component();

bool hasComponent();

void add(C component);

void remove();

void destroy();

bool valid();

void invalidate();

bool opEquals(Object o);

int opCmp(Object o);

}

Constructors

this this(EntityManager manager, ID id): Construct an entity with a manager reference and an ID.

Members

Functions

add void add(C component): Add a component to the entity.
component inout(C) component(): Return the component added to this entity.
destroy void destroy(): Destroy this entity and invalidate all handles to this entity.
hasComponent bool hasComponent(): Check if the entity has a specific component.
id inout(ID) id(): Return the entity id.
invalidate void invalidate(): Invalidate this entity handle (but not other handles).
opCmp int opCmp(Object o): Comparison operator.
opEquals bool opEquals(Object o): Equals operator (check for equality).
remove void remove(): Remove the component if the entity has it.
valid bool valid(): Check if this handle is valid (points to the entity with the same tag).

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