[ZScript] Replicating A_RadiusGive functionality

[Virathas]

Hey,

I've been thinking lately how to replicate A_RadiusGive function, to add my own limits/parameters, and perform additional operation on successfully given item. For instance, having an AoE given Immolation debuff, that deals damage over time, and stacks with each other, so each inventory item needs to have a source pointer. Or simply an AoE granted slow, where i test for special flags of an actor, if a target is immune or not.

I believe this should be done with iterators (maybe even ActorIterators), but I wasn't really able to fully understand how to do so "the good way", as in many places i read that they are resource intensive, and are fairly dangerous to stability.

So the question is - How would one go working on such Iterators to replicate that function?

[Jarewill]

This example by Cherno might be of use to you.

[Virathas]

That will come in handy!
Yet the followup question remains:
If this function is called repeatedly, will it impact performance? I believe I read somewhere, that iterators, once created, remain permanently until they are manually removed.

[Jarewill]

Unsure about that.
But I have implemented that example into my mod and it's being called every tic by the most common enemy in the game and I didn't notice any performance issues, neither did those get reported to me.

[Virathas]

Now THAT is good enough for me, thanks a ton!