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Blueprint simulation bug

Hello, I'm trying to do things with UE4 just for a second day, so maybe it's not a bug, but a feature )) but anyway:

1) Add blueprint to some actor

2) In the blueprint designer add On Click event to the actor

3) Add 2 instances of the "blueprint" to the scene

4) Press the "Play" button and try to click those instances while watching at the blueprint's simulation window.

Result: the events ere firing as they should, but the simulation window says that the event is firing only for the first instance of the blueprint. I know that events are firing at both instances, because i have used the "Print String" method for the OnClick event. So... "Hello" string was printed no matter what instance i click, but the sumulation was shown only for the first instance.

It's a bit confusing for beginners...

Product Version: UE 4.8
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asked Jul 12 '15 at 03:20 PM in Using UE4

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Naivrat
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Hey Naivrat,

This isn't a bug. What's happening is that the Blueprint Editor window that you have open is only tracking one instance of that Blueprint at a time. To switch between them, look in the toolbar for the Debug Filter. While Playing, you can select which instance you want to watch.

alt text

Hope that helps!

debugfilter.png (33.2 kB)
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answered Jul 13 '15 at 06:08 PM

avatar image Naivrat Jul 13 '15 at 08:02 PM

Thank you for the answer! As I have hoped this was a feature :) Maybe this information should be added to the user manual (the getting started section), beacuse it's a bit confusing for beginners like me.

avatar image Ben Halliday STAFF Jul 13 '15 at 08:05 PM

We have some documentation on it here, if you'd like:

https://docs.unrealengine.com/latest/INT/Engine/Blueprints/BP_HowTo/Debugging/index.html

I think the docs team likes to keep the Getting Started sections to absolute essentials, and debugging is something slightly more advanced.

avatar image Naivrat Jul 13 '15 at 08:10 PM

I'm Senior Software Engineer myself, isn't the debugging process about main part of programming? Things rarely work as you want, but usually things work as you have coded them to :) But, I agree, for a real beginner the "Getting Started" section should be as clear as possible.

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