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Slick Forums • View topic - (updated) artemis-odb 0.5.0

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PostPosted: Thu Jan 09, 2014 10:12 pm 
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Joined: Thu Oct 25, 2012 5:29 pm
Posts: 31
Just some questions. Will any of the updates allow for getting the size of the bag containing entities in a world? Or the ability to swap the order of entities in the bag?


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PostPosted: Fri Jan 10, 2014 2:19 pm 
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Joined: Sun Jun 03, 2012 9:21 pm
Posts: 49
If you just want an entity count, you can call to get the total number of active entities.

For entity systems, you can reorder the entities if you want, but you'll have to do it manually - and if you delete entities, you'll need to sort the entities again as Bag doesn't maintain order for efficiency reasons. Other entity bags (ie, those that aren't in EntitySystems) oftentimes occupy the index matching the id of the entity; so you don't want to manually order those.

(ImmutableBag can always be cast into Bag, if you need to tinker with its contents).

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