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Behaviour sub-tree not using correct blackboard

When using the 'run behaviour tree' task, the specified blackboard for that tree is not used, so it doesn't work.

If I set it myself using AAIController::UseBlackboard, it works, however the values of any parent keys are lost.

I have looked into caching the values of the parent, setting the correct blackboard then restoring those values, however there doesn't seem like a nice way to do it as far as I can tell.

I did get a basic version working that works for objects only, and could theoretically extend that to each of the 10 blackboard key types, however seems like a pretty disgusting way to achieve this: https://pastebin.com/c0SjPcn5

Any help would be appreciated.

Product Version: UE 4.15
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asked Apr 28 '17 at 04:50 AM in C++ Programming

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