/**
* Inform subscribers of state changes.
*
* <p>Performs callbacks on registered instances of {@link
* com.artemis.EntitySubscription.SubscriptionListener}.
*
* <p>Will run repeatedly until any state changes caused by subscribers have been handled.
*/
void updateEntityStates() {
// changed can be populated by EntityTransmuters and Archetypes,
// bypassing the editPool.
while (!changed.isEmpty() || editPool.processEntities()) am.process(changed, deleted);
cm.clean();
}
/**
* Fetches unique identifier for composition.
*
* @param componentBits composition to fetch unique identifier for.
* @return Unique identifier for passed composition.
*/
int compositionIdentity(BitSet componentBits) {
int identity = identityResolver.getIdentity(componentBits);
if (identity > highestSeenIdentity) {
subscriptionManager.processComponentIdentity(identity, componentBits);
highestSeenIdentity = identity;
}
return identity;
}
