Getting a blackboard value as actor and setting an actor to that on tick causes crash.
The real issue here is that you can use a function in BP (in this case `UBTFunctionLibrary::GetBlackboardValueAsObject`) with a hidden pin (in this case `NodeOwner` of type `UBTNode`) defaulting to "self" in a totally unrelated class' event graph (in this case `AIController`-derived BP class). And this blueprint compiles just fine without even a sign of warning.
1. Make a third person blueprint project
2. Create a new Blueprint > AIController
3. Add a tick event to the AI controller
4. Create an "Actor" type variable
5. From the Tick event, add a "Set" for the actor variable
6. Add a "Get Blackboard Value as Actor" node (may require turning off context sensitivity)
7. Promote the "Key" input to a variable.
8. Open the MyCharacter blueprint's default tab
9. Set the AIController class to the one created
10. PIE
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Head over to the existing Questions & Answers thread and let us know what's up.
0 |
Component | UE - Gameplay - Blueprint |
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Affects Versions | 4.6.1, 4.8 |
Target Fix | 4.7 |
Created | Jan 6, 2015 |
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Resolved | Jan 10, 2015 |
Updated | Apr 27, 2018 |