Target filter for storage sensing

Lafiel

Since advanced target filters have finally been added it would be nice if it's also possible to filter whether the target part has a storage with a certain type of ammo.
Further if it's a friendly ship it would be useful to know if it's empty so friendly supplies can be delivered.

Walt

Why do you need a filter for this? Why can't you just use AmmoDrain, which will no-op of the part doesn't have that type of ammo?

Lafiel

Walt This would allow far better supply systems than proxies currently offer. Proxies require exact position while this could be based on range and arc or area.