BP Tick event is not firing

fragfest2012 · May 8, 2014, 2:29am

I am trying to use the Tick Event in my character blueprint to change the FOV when my player is sprinting, but it isn’t working. I put a breakpoint on the tick even and on my event to change the FOV, and nothing. I am posting a screenshot of my BP below (right now, I have the branch disconnected to test it for sure. I know the change FOV action works because I tried it with a begin play event, and it worked fine. Let me know if anything is confusing.

Thanks!!

Guigsy1865 · May 8, 2014, 3:04am

For the “Tick” to work you need to plug in the EventTick into the Branch. The way things read in BP will read the in order it goes through the white arrow points. When it’s getting to the “Set” on top it’s not going anywhere beyond that. If you want it to use the Branch you need to plug it into that and then based on the true or false condition it will choose which Set to use. As it is now. It looks like the event tick will default to the field of view you have in the set it goings to.

Let me know if that helps you out!

fragfest2012 · May 8, 2014, 5:22am

I don’t think you understood my phrasing above. I have it purposefully disconnected in order to see if the actual Tick event wasn’t firing. Right now, the way it is set up in the BP, the FOV should be changed to the smaller FOV every frame, but the FOV never changes from the default. I tested the set FOV node by plugging it into the begin play event, and that worked, but when plugged into the Tick Event, the set FOV node never fires even when directly attached.

fragfest2012 · May 8, 2014, 6:30am

So for our character, we have code that uses the Tick Event, but I will look into this to see if something needs to be toggled like that.

darkZ · May 8, 2014, 5:41am

In C++ you can set PrimaryActorTick.bCanEverTick = true; in the constructor. Perhaps you can do something similar in BP as well if you are using BP only solution.

Guigsy1865 · May 8, 2014, 12:51pm

Really you wouldn’t want to use event tick as that is rendered every frame. For what you have you may want it to only change field of view when a button is pressed. There is input pressed check for that since you’re looking for it to see if you are sprinting.

fragfest2012 · May 8, 2014, 11:17pm

I think I am going to end up going with this solution. Thanks!!

fragfest2012 · May 8, 2014, 11:40pm

Wait, but I forgot the reason I wanted to ask this question: why is my Tick event not ever firing when it should fire every tick?

The reason I ask this is because I do have several effects that need to be applied every tick, and since this is just my character, I am not worried about the performance implications for one object.

anonymous_user_759e5c3a · May 8, 2014, 11:48pm

If you connect the Event Tick execution through a Print String before it reaches the Set FOV, does it print? When you use the debug mode, how far does the execution get? Does the execution line activate at all? Any additional information may help.

darkZ · May 8, 2014, 11:46pm

Any clues ?

fragfest2012 · May 8, 2014, 11:48pm

I couldn’t find anything within the character blueprint defaults or within the graph that worked like that.

fragfest2012 · May 9, 2014, 12:39am

When I hook up the print string, nothing gets printed. When I put breakpoints on nodes, they never get hit, which means the execution path is not getting activated at all.

anonymous_user_b9532c9a · May 9, 2014, 4:20pm

Hi ,

Can you post a video of what you are seeing? I have been unable to reproduce this effect on our end. What I did was:

open character blueprint
create event tick and print string
create get player character node
attach a get player location node to the get player node, attach return value to print string node.
Compile, save, play in editor.

Please let us know if you can get us a screenshot or video of what you are seeing on your end. Thank you!

Attached is an image of what I am seeing when following the above steps.

anonymous_user_b9532c9a · May 9, 2014, 7:20pm

Hi ,

For the record feature there is a bit of work involved. you need to access the UE4Editor.exe file by going to /UnrealEngine/4.1/binaries/win64. When you find the .exe, right click it and create a shortcut. Then right click the shortcut and go to properties. In the target line after the quotation marks, put a space then type -forceenablecrashtracker. Now, click OK and double click the shortcut to open the editor (note: the launcher will open as well, ignore it and go directly to the editor). Open the project and in the top right corner of the editor will be a small red circle. This is the record button. If you press this it will record the last 20 seconds of your screen and save this into your project saved folder.

On top of this, can you reproduce this in a clean project with a new blueprint? Thank you!

fragfest2012 · May 9, 2014, 7:04pm

I don’t know how to record within UE4, since Fraps doesn’t work with it. What is the best way to record video of gameplay?

fragfest2012 · May 9, 2014, 8:14pm

https://www…com/watch?v=Qo_m7Oa_jN4&

That is what is happening: nothing. The execution path never happens for the tick event.

I also created a blank code first person project, and it worked just fine. So I am completely clueless as to why this is happening.

anonymous_user_b9532c9a · May 9, 2014, 8:19pm

Hi fragfest,

Did you ensure that in both the project settings and the world settings you have your character set up as the default character? If not it will call the original character script instead.

fragfest2012 · May 9, 2014, 8:27pm

Yes, the default character/game mode is properly set up in the project settings and not being overridden in the world settings.

anonymous_user_b9532c9a · May 9, 2014, 8:43pm

Hi ,

can you send me your asset so we can have a look at what is going on? Thank you!

fragfest2012 · May 9, 2014, 9:56pm

I would not mind doing so, but we have a fair amount of code behind our asset…so I don’t think it would work without the code.