#blueprint | Unreal Source | Page 455

heavy lion Apr 30, 2020, 12:55 PM

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Now. I was planning on making a struct to hold all the weather properties/variables

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What particles to spawn, what noises, what values for clouds and such

blazing ridge Apr 30, 2020, 12:58 PM

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I have a BP with a plane in it, i want to spawn little AI BP's to move on this plane on 2 axis
how can i set up a small dynamically generated navmesh/or siomply use the plane for the navmesh?

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tried around and searched on the webs but seems like im stuck

calm dock Apr 30, 2020, 12:58 PM

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@heavy lion that looks retarded tbh

indigo zenith Apr 30, 2020, 12:59 PM

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📎 enumtest.jpg

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now find a way to set the new enum variable. maybe in a timeline with a "event" pin

heavy lion Apr 30, 2020, 1:00 PM

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haha cheers @calm dock

thin rapids Apr 30, 2020, 1:00 PM

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@heavy lion you can also use map variables to do that

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would make things simpler

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but just my noob programmer opinion tbh

trim matrix Apr 30, 2020, 1:01 PM

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I cant understand why this wont work can someone help

📎 Node4.PNG

indigo zenith Apr 30, 2020, 1:01 PM

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pin not connected

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"set" node

heavy lion Apr 30, 2020, 1:01 PM

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yeahhh

trim matrix Apr 30, 2020, 1:01 PM

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thnaks

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now theres a new error

📎 Node4.PNG

indigo zenith Apr 30, 2020, 1:02 PM

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what error?

heavy lion Apr 30, 2020, 1:02 PM

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@indigo zenith That looks a lot better. I'm just struggling with picking a random type and checking if its already active

indigo zenith Apr 30, 2020, 1:02 PM

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i dont see anything

thin rapids Apr 30, 2020, 1:02 PM

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@heavy lion like that, but idk

📎 aaaa.png

trim matrix Apr 30, 2020, 1:03 PM

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the error is next to the set node

thin rapids Apr 30, 2020, 1:03 PM

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ignore i did that in the character tho

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i did just for example porpuses

indigo zenith Apr 30, 2020, 1:03 PM

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@trim matrix the variable fuel, is prolly not inside that cast

trim matrix Apr 30, 2020, 1:04 PM

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how do i fix that

indigo zenith Apr 30, 2020, 1:04 PM

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where did u implement "fuel"

trim matrix Apr 30, 2020, 1:04 PM

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in my player character

indigo zenith Apr 30, 2020, 1:04 PM

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is it the correct character? ur casting to

trim matrix Apr 30, 2020, 1:04 PM

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yep

marble folio Apr 30, 2020, 1:05 PM

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@trim matrix point at the error and it will tell you what is wrong..also try recompiling 🙂

trim matrix Apr 30, 2020, 1:05 PM

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thanks

indigo zenith Apr 30, 2020, 1:05 PM

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@heavy lion the check is doen by the branch

heavy lion Apr 30, 2020, 1:05 PM

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@thin rapids I cant even create that find node. Well i can, but I then cant connect an int to it

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@indigo zenith yeah I see that

trim matrix Apr 30, 2020, 1:05 PM

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recompiling wont help and it says property is not assosaited

thin rapids Apr 30, 2020, 1:06 PM

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its because the variable needs to be set to a map variable

heavy lion Apr 30, 2020, 1:06 PM

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I have done that

marble folio Apr 30, 2020, 1:06 PM

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@heavy lion you have an execution order error there again 😄

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It will "find" and check a different "random" than it will go to the switch 😄

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the "Find" is executed twice

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so the "Random" is executed twice

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i.e. for the branch it will find one Random Weather ...and for the Switch it will find a different random weather

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Save the Random Int to a variable and work with that... if you had it in function you could use local variable:)

spark steppe Apr 30, 2020, 1:08 PM

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nvm, guess i found it

heavy lion Apr 30, 2020, 1:08 PM

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@marble folio https://cdn.discordapp.com/attachments/221798862938046464/705403798402629672/aaaa.png
I didnt make this btw

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I cant...

marble folio Apr 30, 2020, 1:09 PM

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ah 😄

calm dock Apr 30, 2020, 1:09 PM

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thats even more retarded

thin rapids Apr 30, 2020, 1:09 PM

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ok

spark steppe Apr 30, 2020, 1:09 PM

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the real question is, whats a poseable mesh component xD

indigo zenith Apr 30, 2020, 1:10 PM

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📎 randomint.jpg

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should call the function i gave earlier

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but that should get u going

mortal heart Apr 30, 2020, 1:11 PM

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@indigo zenith i tried making another project

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it still crashes when trying to steer

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maybe it's the mesh?

indigo zenith Apr 30, 2020, 1:11 PM

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doubt it.

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maybe its the plugin u were talking about

mortal heart Apr 30, 2020, 1:12 PM

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i don't think Victory messes with vehicle movement

indigo zenith Apr 30, 2020, 1:12 PM

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if a "template" working fine. im not sure where to look m8

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i seen some crazy meshes in unreal engine. akira like

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the whole world filled with 2 eyes for example ^^

mortal heart Apr 30, 2020, 1:14 PM

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nope

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still crashes without the plugin

heavy lion Apr 30, 2020, 1:14 PM

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@indigo zenith Howd you create that select node?

indigo zenith Apr 30, 2020, 1:15 PM

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i just right clikced graph

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and searched select with the left top icon, there are a few once

heavy lion Apr 30, 2020, 1:15 PM

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This is all I get

📎 unknown.png

indigo zenith Apr 30, 2020, 1:15 PM

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ye

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thatit

heavy lion Apr 30, 2020, 1:15 PM

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So how do you add entries to it?

indigo zenith Apr 30, 2020, 1:15 PM

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read

thin rapids Apr 30, 2020, 1:16 PM

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in the Add Pin button

heavy lion Apr 30, 2020, 1:17 PM

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Yep. But the one he posted has drop down selection boxes

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If i change the wildcard to my enum, I then cant plug in an int to the index

indigo zenith Apr 30, 2020, 1:18 PM

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📎 enumtest2.jpg

heavy lion Apr 30, 2020, 1:18 PM

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📎 unknown.png

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I cant make that select node appear as you have

thin rapids Apr 30, 2020, 1:19 PM

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If i change the wildcard to my enum, I then cant plug in an int to the index
@heavy lion if either the return value or the option nodes connect to an enum it will show the drop down menu

trim matrix Apr 30, 2020, 1:19 PM

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how can i bind a guis images rotation to a varaible

heavy lion Apr 30, 2020, 1:20 PM

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Oh my god. Its backwards

thin rapids Apr 30, 2020, 1:20 PM

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yes

wise jewel Apr 30, 2020, 1:26 PM

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question: event dispatcher and interfaces: main difference seems to be that eventDisp are triggered by the one actor who's generating them, and many other actors can listen to it.

mortal heart Apr 30, 2020, 1:27 PM

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📎 unknown.png

wise jewel Apr 30, 2020, 1:27 PM

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while interfaces also allow that many actors trigger the interface, and any other actor recive the interface trigger.

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am i right?

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it seems that interfaces are more flexbile

marble folio Apr 30, 2020, 1:28 PM

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Interface allows you to call event on an actor that you are not sure can perform the action..you cannot subscribe to an interface to be alerted when it is triggered ....

indigo zenith Apr 30, 2020, 1:29 PM

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@mortal heart from what i see here, is that the car flies somewhere

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lol

wise jewel Apr 30, 2020, 1:29 PM

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whats the difference?

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no wait, ineed to read more about interfaces

marble folio Apr 30, 2020, 1:30 PM

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Interface is something you call on an actor... dispatcher is something the actor calls on anything that is subscribed to it

wise jewel Apr 30, 2020, 1:31 PM

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"call on an actor " is a bit difficult to understand, can you use different wording?

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an actor call an interface?

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the inteface call an actor?

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somethign call the interface to get to an actor?

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who calls who?

indigo zenith Apr 30, 2020, 1:32 PM

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@mortal heart might check ur kill-z?

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allthough it shoudnt crash like this

marble folio Apr 30, 2020, 1:33 PM

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@wise jewel you get an actor reference and from it you execute the Interface on it....

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or you get an actor interface and from it you bind the Event Dispatcher

indigo zenith Apr 30, 2020, 1:34 PM

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or use tags ^^

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@marble folio

marble folio Apr 30, 2020, 1:34 PM

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not at all the same thing

wise jewel Apr 30, 2020, 1:35 PM

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ok thanks

marble folio Apr 30, 2020, 1:35 PM

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Dispatcher is = to whom it might concern ... i.e. anybody who wants to know about this please bind an event to this and i will tell you when this happens...
Interface is = Hey can you please do this, if not ignore me....

wise jewel Apr 30, 2020, 1:36 PM

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so like opening a door would be interface

marble folio Apr 30, 2020, 1:36 PM

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yes but you can call it on a window

sick sapphire Apr 30, 2020, 1:36 PM

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How do I make it so that the Bone Name will not display as none? The hit component print string tells me it is SK_Mannequin (default ue4 model), but Bone Name is none

📎 unknown.png

marble folio Apr 30, 2020, 1:36 PM

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😄

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@sick sapphire where is the other side?

wise jewel Apr 30, 2020, 1:37 PM

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no? i understood that the implementation is done inthe door or in the window

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example: can you open?

indigo zenith Apr 30, 2020, 1:37 PM

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@sick sapphire its highly lickely collision settings, ur capsule blocking the hit

marble folio Apr 30, 2020, 1:37 PM

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https://docs.unrealengine.com/en-US/BlueprintAPI/Game/Damage/ApplyPointDamage/index.html

Apply Point Damage

wise jewel Apr 30, 2020, 1:37 PM

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the door open, and the window open in a different way

marble folio Apr 30, 2020, 1:38 PM

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@wise jewel yeah that would be right

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or you can have "Open door" and if the window does not implement it it just ignores it

sick sapphire Apr 30, 2020, 1:38 PM

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📎 unknown.png

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its a projectile

marble folio Apr 30, 2020, 1:38 PM

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yeah your hit info might not contain the bone

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as @indigo zenith said ...also you have Overlap event not Hit event... pretty sure overlap event does not care about bones

sick sapphire Apr 30, 2020, 1:39 PM

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hit event does? ok hold on

indigo zenith Apr 30, 2020, 1:39 PM

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yes

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ive got it implemented

wise jewel Apr 30, 2020, 1:42 PM

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yes but you can call it on a window
@marble folio i've read can't

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ok

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but anyone can call an interface right?

marble folio Apr 30, 2020, 1:43 PM

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yeah

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anyone can call an interface on anyone

wise jewel Apr 30, 2020, 1:44 PM

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can't it replace the event Disp? it seems more generic.

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let me try

marble folio Apr 30, 2020, 1:44 PM

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Not rly

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they are two very distinct things

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I use event dispatcher in my day night manager... All my lamp post subscribe to the manager for the daytime change and they get notified by the day night manager of the day/night change when it happens

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as an example

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the other way would be the day night manager would get all actors and call an interface on all of them

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that would be potentially very ineffective

wise jewel Apr 30, 2020, 1:46 PM

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in which way ineffective?

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consumes memory?

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slow?

marble folio Apr 30, 2020, 1:46 PM

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slow

wise jewel Apr 30, 2020, 1:46 PM

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ok

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but you could do the same thing

marble folio Apr 30, 2020, 1:46 PM

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yes*

wise jewel Apr 30, 2020, 1:46 PM

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it's a matter of pick the right one

marble folio Apr 30, 2020, 1:46 PM

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but in a very different way

wise jewel Apr 30, 2020, 1:46 PM

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ok

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thaks for now 🙂

marble folio Apr 30, 2020, 1:48 PM

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I mean just because you can make a Pigeon protocol does not mean you should... for reference https://en.wikipedia.org/wiki/IP_over_Avian_Carriers

heavy lion Apr 30, 2020, 1:49 PM

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I thought I had it. This is sort of working. But it never displays the message about the weather type already being the active one

📎 unknown.png

marble folio Apr 30, 2020, 1:50 PM

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well because you set it...and then you check if it is the same one you set

thin rapids Apr 30, 2020, 1:50 PM

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you checked it and you checked if the variable is different than itself

heavy lion Apr 30, 2020, 1:50 PM

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Please... I.... its been a long day I swear

marble folio Apr 30, 2020, 1:50 PM

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you need to save "Old weather"

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before you randomize it 🙂

heavy lion Apr 30, 2020, 1:52 PM

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Would I need an extra variable for it then?

thin rapids Apr 30, 2020, 1:52 PM

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yes, it will store the old weather value

marble folio Apr 30, 2020, 1:53 PM

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local variable please

thin rapids Apr 30, 2020, 1:54 PM

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local variable please
@marble folio that

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oop

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oops i meant to mark mordynak

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my bad

marble folio Apr 30, 2020, 1:54 PM

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😄

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getting used to it

thin rapids Apr 30, 2020, 1:54 PM

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i forgot quote auto-tagged someone 😅

marble folio Apr 30, 2020, 1:55 PM

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see I did not know that 😄

indigo zenith Apr 30, 2020, 1:56 PM

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📎 enumtest2.jpg

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📎 enumtest.jpg

blazing ridge Apr 30, 2020, 1:59 PM

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why is my navmesh generated diferently on an object depending if i spawn it at runtime or have it in the level from the start

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?

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runtime

📎 unknown.png

marble folio Apr 30, 2020, 1:59 PM

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because navmesh is not set to dynamic generation

blazing ridge Apr 30, 2020, 1:59 PM

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📎 unknown.png

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@marble folio it is

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i also amde sure that every single setting is the same inside the project settings & on the recast anv thing

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📎 unknown.png

heavy lion Apr 30, 2020, 2:02 PM

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@indigo zenith I didnt realise what you had posted before but I think thats got it

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📎 unknown.png

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As far as I can tell this is working as expected.

thin rapids Apr 30, 2020, 2:06 PM

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could be just me being a moron, but i don't think you'll need the switch if you're gonna do the same thing in all the conditions

marble folio Apr 30, 2020, 2:06 PM

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he is doing just proof of concept now

thin rapids Apr 30, 2020, 2:07 PM

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yes, just saying

marble folio Apr 30, 2020, 2:07 PM

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he will be adding functionality later 😄

heavy lion Apr 30, 2020, 2:07 PM

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That was the plan this morning haha

thin rapids Apr 30, 2020, 2:07 PM

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😅 alright

heavy lion Apr 30, 2020, 2:08 PM

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I will still need the switch if the outcome for each will be different

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I was planning to use a struct or some shizz to blend from one weather type to any weather type and so on

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So I need to be able to blend presets first

thin rapids Apr 30, 2020, 2:09 PM

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I will still need the switch if the outcome for each will be different
@heavy lion yeah, that passed right through my head, i can be dumb sometimes

heavy lion Apr 30, 2020, 2:09 PM

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ahh ok

steep horizon Apr 30, 2020, 2:09 PM

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How to fix it? https://www.youtube.com/watch?v=vIT9tK0gF9U&feature=youtu.be

YouTube

Skiftsu

Untitl333ed

▶ Play video

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📎 unknown.png

heavy lion Apr 30, 2020, 2:09 PM

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Second guessing myself now

blazing ridge Apr 30, 2020, 2:11 PM

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any advice on the navmesh problem? (just bumping)

heavy lion Apr 30, 2020, 2:11 PM

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📎 Z5Uihkj7Z6.mp4

thin rapids Apr 30, 2020, 2:11 PM

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any advice on the navmesh problem? (just bumping)
@blazing ridge would love to help but i'm completly inexpirienced in nav meshes

golden kite Apr 30, 2020, 2:17 PM

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is there any ways to set rotation of only one angle without changing other angles?

thin rapids Apr 30, 2020, 2:20 PM

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is there any ways to set rotation of only one angle without changing other angles?
@golden kite you could break the rotation into that one angle

golden kite Apr 30, 2020, 2:24 PM

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but it sets other rotations to zero then

heavy lion Apr 30, 2020, 2:24 PM

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@golden kite

📎 unknown.png

golden kite Apr 30, 2020, 2:24 PM

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I know that

heavy lion Apr 30, 2020, 2:24 PM

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Then you would get the existing rotation

blazing ridge Apr 30, 2020, 2:25 PM

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you need to get the old roation and plug it into the axes that should remain the same @golden kite

thin rapids Apr 30, 2020, 2:25 PM

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but it sets other rotations to zero then
@golden kite you make the other angles the same as the old ones

golden kite Apr 30, 2020, 2:26 PM

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its still broken for some reason, even tho I connect the other ones, it still acts weird

blazing ridge Apr 30, 2020, 2:26 PM

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then the error may be somewhere else

golden kite Apr 30, 2020, 2:26 PM

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Im changing the Z rotation only

thin rapids Apr 30, 2020, 2:26 PM

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its still broken for some reason, even tho I connect the other ones, it still acts weird
@golden kite can you send a screenshot?

marble folio Apr 30, 2020, 2:26 PM

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@golden kite there is add actor rotation

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https://docs.unrealengine.com/en-US/BlueprintAPI/Utilities/Transformation/AddActorLocalRotation/index.html

AddActorLocalRotation

blazing ridge Apr 30, 2020, 2:27 PM

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@golden kite

📎 unknown.png

marble folio Apr 30, 2020, 2:27 PM

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that adds value to the old rotation

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so you can split it and add only in the axis you care about

golden kite Apr 30, 2020, 2:28 PM

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Im getting the rotation of another actor, because they are attached together, and all I want is to only rotate the Z angle

marble folio Apr 30, 2020, 2:28 PM

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then do what @blazing ridge did 🙂

golden kite Apr 30, 2020, 2:28 PM

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hm

blazing ridge Apr 30, 2020, 2:29 PM

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bumping once more to get advice on why my navmesh is differently generated at runtime than in editor

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maybe someone also has another workflow for my idea that doesnt involve navmeshes.
i want to be able to spawn some AI blueprints on a plane - the plane is vertical and looks at the player camera.
then i want to generate coordinates for the AI to move to. sounds simple to me but im having trouble with the navmesh approach

indigo zenith Apr 30, 2020, 2:33 PM

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so do u create another navmesh at runtime or something?

blazing ridge Apr 30, 2020, 2:34 PM

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not really, everything the same @indigo zenith

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dynamic gen enabled, the object has all it needs to be recognized by nav

golden kite Apr 30, 2020, 2:35 PM

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the actor Im trying to rotate is a turret actor for a tank, I want it to rotate to the location Im looking at, when going up hill, it still rotates the thing weirdly

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when Im on a flat plane, the rotation works perfectly

blazing ridge Apr 30, 2020, 2:36 PM

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@golden kite use relative rotation/transform

indigo zenith Apr 30, 2020, 2:36 PM

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why not leave the default nav mesh at it is and set to dynamic, not rlly sure what u trying to accomplish

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and what the problem is 🙂

blazing ridge Apr 30, 2020, 2:36 PM

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@indigo zenith thats what im doing 😄 but the navmesh is different

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it is smaller at runtime

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whn i place the object in the editor pre runtime, its like i want it

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📎 unknown.png

indigo zenith Apr 30, 2020, 2:37 PM

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when u simulate what happens then?

mortal heart Apr 30, 2020, 2:38 PM

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@indigo zenith it definitely has something to do with my mesh

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the issue doesn't occur if i use the sample advanced vehicle mesh

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i don't know what's wrong with my mesh though

indigo zenith Apr 30, 2020, 2:39 PM

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in ur log it says out of world bounds

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so im no expert, but it seems ur vehicle is flying in less then a frame towards the sun m8

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LOL

marble folio Apr 30, 2020, 2:40 PM

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possibly collision issue there 🙂

golden kite Apr 30, 2020, 2:41 PM

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use relative rotation/transform
@blazing ridge
when I use relative rotation and turn the tank, the turret doesnt look at the point I want it to look at
let me record a vid

marble folio Apr 30, 2020, 2:41 PM

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than adjust the relative rotation when the tank is turning 🙂

mortal heart Apr 30, 2020, 2:42 PM

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📎 carphys.PNG

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📎 carSK.PNG

indigo zenith Apr 30, 2020, 2:42 PM

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yep collision issue

marble folio Apr 30, 2020, 2:42 PM

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wheels and the chasi?

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I never did car...so just curious

indigo zenith Apr 30, 2020, 2:43 PM

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are u able to drive that thing at all?

mortal heart Apr 30, 2020, 2:44 PM

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yes

indigo zenith Apr 30, 2020, 2:44 PM

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like forward

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wow.

heavy lion Apr 30, 2020, 2:44 PM

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Just curious. When you place the car in the world. How big is it?

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20km?

mortal heart Apr 30, 2020, 2:45 PM

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📎 unknown.png

golden kite Apr 30, 2020, 2:47 PM

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📎 2020-04-30_17-42-55.mp4

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this is the issue

thin rapids Apr 30, 2020, 2:48 PM

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this is the issue
@golden kite but you want the turret to turn relative to the camera z axis?

golden kite Apr 30, 2020, 2:48 PM

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watch the end

thin rapids Apr 30, 2020, 2:49 PM

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oh

golden kite Apr 30, 2020, 2:49 PM

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I want X and Y to be snapped to the main body actor, but when I turn the Z, it effects the X and Y to need changes

thin rapids Apr 30, 2020, 2:49 PM

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so it doesnt turn down is the problem?

indigo zenith Apr 30, 2020, 2:52 PM

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📎 physicsassetandskeletalorstaticmeshcollision.jpg

golden kite Apr 30, 2020, 2:53 PM

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the problem is I take the X and Y of the main part, okay, but when I rotate the Z, it rotates the entire thing, causing X and Y to not be relevant to main body anymore, because they are taking the same value over and over again

indigo zenith Apr 30, 2020, 2:53 PM

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so is the mesh a static mesh or a skeletal mesh

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cause in the template they using physics as collision

mortal heart Apr 30, 2020, 2:53 PM

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it's a skeletal mesh

indigo zenith Apr 30, 2020, 2:54 PM

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i cant find any collision like the one ur showing inside the skeletal mesh

mortal heart Apr 30, 2020, 2:54 PM

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📎 unknown.png

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huh?

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oh

indigo zenith Apr 30, 2020, 2:54 PM

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im comparing template with ur issue

thin rapids Apr 30, 2020, 2:54 PM

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@golden kite you're setting the cube X and Y to the cylinder X and Y, didn't you mean to put the cylinder current X and Y to its respective nodes?

indigo zenith Apr 30, 2020, 2:54 PM

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it seems it somehow has collision with urs. no idea how it got there

golden kite Apr 30, 2020, 2:55 PM

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Im setting cylinder X and Y to cube X and Y

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what happens if you turn X and Y with Z?

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it wont have the same rotation

mortal heart Apr 30, 2020, 2:55 PM

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📎 unknown.png

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i changed it to this now and it still doesn't work

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📎 unknown.png

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it looked like this before

thin rapids Apr 30, 2020, 2:56 PM

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what happens if you turn X and Y with Z?
@golden kite i meant that you're getting the cube's world rotation to set into the cylinder rotation (X and Y axis)

indigo zenith Apr 30, 2020, 2:57 PM

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📎 what.jpg

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what is this?

mortal heart Apr 30, 2020, 2:57 PM

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the car's physics asset

golden kite Apr 30, 2020, 2:58 PM

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@golden kite i meant that you're getting the cube's world rotation to set into the cylinder rotation (X and Y axis)
@thin rapids yes, when I try to rotate them by Z, they are not the values I need to keep the cylinder relative to the body anymore

indigo zenith Apr 30, 2020, 2:59 PM

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📎 skeletalmeshcollision.jpg

ocean radish Apr 30, 2020, 3:04 PM

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Just a quick one, think i know the answer but brains gone a bit to mush today so just want to double check, This function if its called while timer still active it will just restart the timer and not make a new one correct?

📎 unknown.png

golden kite Apr 30, 2020, 3:09 PM

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oh god I just fixed my issue, set relative rotation doesnt need x and y to be filled

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Im dumb

thin rapids Apr 30, 2020, 3:09 PM

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glad you found a solution

golden kite Apr 30, 2020, 3:09 PM

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but now

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the issue at the start of the video remains

thin rapids Apr 30, 2020, 3:11 PM

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the issue at the start of the video remains
@golden kite wich is?

golden kite Apr 30, 2020, 3:11 PM

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rotating the main body causes Z axes to be disrotated

thin rapids Apr 30, 2020, 3:12 PM

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oh so its what i thought it was

heavy lion Apr 30, 2020, 3:13 PM

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If the branch is true or false the function still completes both paths

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📎 UE4Editor_AeTFiydGm9.png

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It shouldnt reach the return node if the current weather is the same as the weather selected

indigo zenith Apr 30, 2020, 3:15 PM

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its returning previous one right

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the not setted

golden kite Apr 30, 2020, 3:15 PM

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📎 2020-04-30_18-14-01.mp4

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turret needs to always look at the the camera point

void cobalt Apr 30, 2020, 3:18 PM

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hello can someone help me?

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im trying to make a topdown shooter, and i have my character create line trace onto where my mouse is pointing

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but the problem is its going up and down too

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i only want it to go on the z axis, left and right

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how would i do that?

past swan Apr 30, 2020, 3:19 PM

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Hi guys 🙂 Can some one clarify some situations. I have BP with print string on EventBeginPlay. Print string gives me 2 Hello when i hit play. Why printstring shoot 2 times?

thin rapids Apr 30, 2020, 3:19 PM

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turret needs to always look at the the camera point
@golden kite why don't you set the turrent relative rotation to the camera's z axis?

heavy lion Apr 30, 2020, 3:20 PM

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@indigo zenith So how do I stop the function executing if the existing matches the one to change to?

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@past swan You have another print string somewhere

thin rapids Apr 30, 2020, 3:20 PM

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Hi guys 🙂 Can some one clarify some situations. I have BP with print string on EventBeginPlay. Print string gives me 2 Hello when i hit play. Why printstring shoot 2 times?
@past swan it happened to me once and idk how i fixed it

heavy lion Apr 30, 2020, 3:21 PM

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@void cobalt When doing your trace, dont alter the z axis

past swan Apr 30, 2020, 3:21 PM

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@past swan You have another print string somewhere
@heavy lion yeah, generally the answer is - because you're moron who forget about second duplicated BP in the level 😅

void cobalt Apr 30, 2020, 3:21 PM

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i dont really know how to do that

📎 unknown.png

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here is my BP

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for the linetrace

golden kite Apr 30, 2020, 3:22 PM

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@golden kite why don't you set the turrent relative rotation to the camera's z axis?
@thin rapids its attached to the main body part, I want it to be rotated with the vehicle, but also need it to look at the position again

void cobalt Apr 30, 2020, 3:22 PM

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i used a tutorial, but the creator of the tutorial didnt explain that

heavy lion Apr 30, 2020, 3:22 PM

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@void cobalt Disconnect the end. Right click on it and split the pins

tame pecan Apr 30, 2020, 3:23 PM

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📎 furnace.PNG

heavy lion Apr 30, 2020, 3:23 PM

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then from the minus, break that and just plug in the x and y

tame pecan Apr 30, 2020, 3:23 PM

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📎 Grinder.PNG

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📎 code.PNG

thin rapids Apr 30, 2020, 3:23 PM

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@thin rapids its attached to the main body part, I want it to be rotated with the vehicle, but also need it to look at the position again
@golden kite exactly, if you set the relative rotation to the camera z axis rotation, it'll be at that position no matter if the vehicle turns

tame pecan Apr 30, 2020, 3:23 PM

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Hello!

I have these two machine widgets, they run on the same code and everything. But acts up differently when they get placed on the screen

void cobalt Apr 30, 2020, 3:24 PM

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ooooooooo thank you so much @heavy lion i completely forgot that you can even split pins haha

golden kite Apr 30, 2020, 3:24 PM

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hm, let me try

heavy lion Apr 30, 2020, 3:24 PM

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make sure to set z to something though

void cobalt Apr 30, 2020, 3:25 PM

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why?

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it works fine with it at zero

heavy lion Apr 30, 2020, 3:25 PM

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@indigo zenith I dont understand why the function is able to complete at all if the two variables match

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You might want to go up and down ramps?

indigo zenith Apr 30, 2020, 3:26 PM

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@heavy lion might have to convert it towards a custom event so there wont be an default output pin. but u can use the condition value - not equal to enum toward the exit node and branch after u did the set weather enum inside function

heavy lion Apr 30, 2020, 3:26 PM

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Or not shoot just at feet

ocean radish Apr 30, 2020, 3:26 PM

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@void cobalt you could run into collision issues if you put say the floor at 0, or if you decided you need to change heights

golden kite Apr 30, 2020, 3:26 PM

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@golden kite exactly, if you set the relative rotation to the camera z axis rotation, it'll be at that position no matter if the vehicle turns
@thin rapids it didnt

void cobalt Apr 30, 2020, 3:26 PM

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ah i see

heavy lion Apr 30, 2020, 3:27 PM

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@indigo zenith This exists in a function currently. Would you just put it in a custom event?

thin rapids Apr 30, 2020, 3:27 PM

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@thin rapids it didnt
@golden kite my mystake sorry

ocean radish Apr 30, 2020, 3:27 PM

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@void cobalt or if you want objects that you can shoot over and stuff, depends really on what you want to accomplish

indigo zenith Apr 30, 2020, 3:27 PM

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it rlly doesnt matter, its ur story ^^ coding 🙂

void cobalt Apr 30, 2020, 3:28 PM

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my game wont have any verticality

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so all i need is for the character to shoot straight

heavy lion Apr 30, 2020, 3:29 PM

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@void cobalt Get the character capsule half height. That should do it

void cobalt Apr 30, 2020, 3:29 PM

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my character capsule half height?

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why what will that do

heavy lion Apr 30, 2020, 3:30 PM

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@indigo zenith Did that. It made no difference

ocean radish Apr 30, 2020, 3:30 PM

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@void cobalt basically shoot it from your middle of character

thin rapids Apr 30, 2020, 3:30 PM

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@thin rapids it didnt
@golden kite try setting the world rotation of the turret to the camera relative z rotation

heavy lion Apr 30, 2020, 3:31 PM

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Regardless of where he is in the world. @void cobalt

void cobalt Apr 30, 2020, 3:31 PM

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its currently shooting out of the barrel of the gun

thin rapids Apr 30, 2020, 3:31 PM

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if it doesnt work idk what could be causing the problem

heavy lion Apr 30, 2020, 3:31 PM

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@void cobalt Its not ending at the barrel of the gun though. It will be ending at 0

ocean radish Apr 30, 2020, 3:31 PM

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yea defo will want to update that z value then, because your shooting at an angle

void cobalt Apr 30, 2020, 3:31 PM

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the line trace starts at the barrel

heavy lion Apr 30, 2020, 3:31 PM

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You want it to end parallel to the barrel

void cobalt Apr 30, 2020, 3:31 PM

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and ends at where my crosshair is

heavy lion Apr 30, 2020, 3:32 PM

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Not if its 0 on Z

void cobalt Apr 30, 2020, 3:32 PM

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it seems to work fine

📎 unknown.png

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except from the fact that the barrel is aiming downwards

golden kite Apr 30, 2020, 3:33 PM

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@golden kite try setting the world rotation of the turret to the camera relative z rotation
@thin rapids nope. setting the world rotation is the problem itself already

void cobalt Apr 30, 2020, 3:33 PM

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but thats WIP

thin rapids Apr 30, 2020, 3:33 PM

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@thin rapids nope. setting the world rotation is the problem itself already
@golden kite well, i'm sorry but i'm afraid i can't help you any further. I don't have any more ideas in mind on what can be causing this

ocean radish Apr 30, 2020, 3:33 PM

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@void cobalt Yea it will work but its odd your character will look like this from the side

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📎 unknown.png

golden kite Apr 30, 2020, 3:34 PM

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:l

void cobalt Apr 30, 2020, 3:34 PM

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so you want me to have the z axis from the end to the barrel parralel to where the linetrace will end in?

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so that it will shoot straight

ocean radish Apr 30, 2020, 3:35 PM

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exactly that

void cobalt Apr 30, 2020, 3:35 PM

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i see

golden kite Apr 30, 2020, 3:36 PM

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I outrealed the unreal engine

void cobalt Apr 30, 2020, 3:36 PM

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so in order to do that i will have to get something like a socket location and connect that to the z axis on the linetrace?

heavy lion Apr 30, 2020, 3:36 PM

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@void cobalt With your line trace debug on, shoot a few times, then press F8 to eject from player and move the camera around

thin rapids Apr 30, 2020, 3:36 PM

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i'm sure you'll be able to find a solution though

heavy lion Apr 30, 2020, 3:37 PM

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@void cobalt You already have the location of your gun muzzle

ocean radish Apr 30, 2020, 3:37 PM

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Just break the start location and grab the Z

void cobalt Apr 30, 2020, 3:37 PM

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ahhhh

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omg this is so much better actually having someone to ask questions

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for the past month ive been trying to figure stuff out by myself and/or thru comments on youtube videos

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idk why i didnt join the discord earlier

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you mean this start location right?

📎 unknown.png

ocean radish Apr 30, 2020, 3:40 PM

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yea so where that pin comes from, grab a wire out and type break

void cobalt Apr 30, 2020, 3:40 PM

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break transform?

ocean radish Apr 30, 2020, 3:40 PM

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yea

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that way you can leave it plugged into the start as it is without splitting the pins

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then grab the z and feed it into your end z

void cobalt Apr 30, 2020, 3:42 PM

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but its not letting me connect both socket transform and the break transform at the same time?

📎 unknown.png

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neeever mind

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i figured it out

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had to put value location into in transform

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is that it? cuz it didnt work

📎 unknown.png

ocean radish Apr 30, 2020, 3:45 PM

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if you drag off the return value location and in the context menu type break, you'll get a break vector, not transform sorry my bad

void cobalt Apr 30, 2020, 3:45 PM

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nvm i got it again

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i forgot to struct the pins

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now it looks like this and it works

📎 unknown.png

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btw if i wanted the linetrace to come out of the character rather than the gun barrel, would i have to move all this BP into the Character BP?

ocean radish Apr 30, 2020, 3:47 PM

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taht will work though your making back into transform to split

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📎 unknown.png

indigo zenith Apr 30, 2020, 3:49 PM

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📎 linetrace.jpg

void cobalt Apr 30, 2020, 3:52 PM

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bcuz currently this is in its own hitscan BP

📎 unknown.png

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and i can only use the meshes from here, which is the gun

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or could i just add a component and somehow attach it to my character?

ocean radish Apr 30, 2020, 3:54 PM

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@void cobalt It really depends on how you organise your project, I always put things that are related on what makes the most sense to me, so shooting I would put that on my player character as thats whats performing the action

void cobalt Apr 30, 2020, 3:55 PM

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lets say if i have lots of weapons

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differnet weapons, like idk a shotgun, sniper, machine gun

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if it was all in my character bp then i could only have 1 type of those right?

heavy lion Apr 30, 2020, 3:56 PM

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Whos idea was it to use enums

void cobalt Apr 30, 2020, 3:56 PM

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or bcuz they are variables i can always change them in child blueprints

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enums?

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idk i just followed the tutorial, im still very new to unreal, let alone coding in any form

ionic harbor Apr 30, 2020, 3:57 PM

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I don't suppose anyone has specific experience with AR image tracking here

heavy lion Apr 30, 2020, 3:57 PM

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Not you, some problem i have

void cobalt Apr 30, 2020, 3:57 PM

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ah ok

ocean radish Apr 30, 2020, 3:57 PM

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again its really dependant on how you want to organise but no you could have as many weapons as you want and just grab details off the 'Equipped' weapon

void cobalt Apr 30, 2020, 3:58 PM

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i see

golden kite Apr 30, 2020, 3:58 PM

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is it possible to convert world location to relative location?

indigo zenith Apr 30, 2020, 3:59 PM

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https://en.wikipedia.org/wiki/Theory_of_relativity

Theory of relativity

The theory of relativity usually encompasses two interrelated theories by Albert Einstein: special relativity and general relativity. Special relativity applies to all physical phenomena in the absence of gravity. General relativity explains the law of gravitation and its rela...

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jk

ocean radish Apr 30, 2020, 3:59 PM

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Get vector Relative location?

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lets you input a parent and a child location to get the relative location

golden kite Apr 30, 2020, 4:03 PM

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.o.

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nothing like that exists

ocean radish Apr 30, 2020, 4:04 PM

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pretty sure it does 😄

📎 unknown.png

golden kite Apr 30, 2020, 4:05 PM

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pretty sure it doesnt

📎 unknown.png

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how

void cobalt Apr 30, 2020, 4:05 PM

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old version?

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context sensitive?

ocean radish Apr 30, 2020, 4:05 PM

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@golden kite Hahah my bad, its from the victory plugin from rama 😄

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its free and well worth the pickup

golden kite Apr 30, 2020, 4:06 PM

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what is its name

ocean radish Apr 30, 2020, 4:06 PM

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victory plugin

void cobalt Apr 30, 2020, 4:06 PM

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im guessing victory plugin

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lol

golden kite Apr 30, 2020, 4:07 PM

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do I find it from google

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because it doesnt exist at market

ocean radish Apr 30, 2020, 4:07 PM

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lemme check for you

supple dome Apr 30, 2020, 4:07 PM

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the ue4 built in function relative to that is InverseTransformLocation

void cobalt Apr 30, 2020, 4:07 PM

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probably in the unreal launcher marketplace right?

ocean radish Apr 30, 2020, 4:07 PM

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https://forums.unrealengine.com/development-discussion/blueprint-visual-scripting/4014-39-rama-s-extra-blueprint-nodes-for-you-as-a-plugin-no-c-required

Unreal Engine Forums

Dear Community,

MIT Software License for The Victory Plugin ~ License (https://forums.unrealengine.com/development-discussion/blueprint-visual-scripting/4014-39-rama-s-extra-blueprint-nodes-for-you-as-a-plugin-no-c-required?p=1718286#post1718286)

I've decided to create my ow...

viscid barn Apr 30, 2020, 4:17 PM

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Hi, I'm trying to get a select node to update which row of a data table is being called for a specific event but for whatever reason, the select just never updates, it always stays on the initial index I set it on, any idea why that might be?
(the index input does update, I checked it individually)
Edit: worked once I took it off the macro and made it a collapsed node instead

wise raven Apr 30, 2020, 4:36 PM

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Hi guys can anyone explain on how can I divide my procedural mesh "sections" to get better performance, or can someone just give me an idea on how this section thing works. thanks.

📎 SectionSnip.JPG

wise jewel Apr 30, 2020, 4:48 PM

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i managed to make interfaces to work in a simple case.

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so, i still require setting a variable, and have it to point to the right actor i want to send the message to.

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i mean, it's very similar to say hey you actor, do this. the only thing is thtat the code to decide what the actor do is put in the target actor and not in the source actor, the player in my case.

ocean radish Apr 30, 2020, 4:53 PM

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@wise jewel Sorry did you need help with some thing or is a response to someone else?

wise jewel Apr 30, 2020, 4:53 PM

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i want to know if i'm understanding correctly

ocean radish Apr 30, 2020, 4:54 PM

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yep, thats correct, to call an interface event you need to know the actor you want to have the event happen on

wise jewel Apr 30, 2020, 4:55 PM

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so if i mix interface and event dispatcher i could get a system that works like this: i have a bell that anyone can sound, and whoever is listening could react to that bell

ocean radish Apr 30, 2020, 4:56 PM

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yea, they work the opposite way round in terms of what needs to reference what

wise jewel Apr 30, 2020, 4:56 PM

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ok

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so that's it guess ?

ocean radish Apr 30, 2020, 4:57 PM

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yep, only 3 real ways for blueprints to talk to each other, direct calls, interface messages and event dispatchers

wise jewel Apr 30, 2020, 4:58 PM

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why ?

marble folio Apr 30, 2020, 5:00 PM

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They have a very speciffic use cases 🙂 the event dispatchers... most people will not need them 🙂 ever 😄

wise jewel Apr 30, 2020, 5:00 PM

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the example of the boss dying and other stuff happens around him for example?

marble folio Apr 30, 2020, 5:00 PM

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not dispatcher

wise jewel Apr 30, 2020, 5:01 PM

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ok

ocean radish Apr 30, 2020, 5:01 PM

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I use event dispatchers for UI elements find there a good fit but not for much else.

marble folio Apr 30, 2020, 5:01 PM

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The actors who are affected by the boss dying are countable and well known/easily doscoverable, if you need a world changing event based on that...world manager 🙂

wise jewel Apr 30, 2020, 5:02 PM

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i'll have to get confidence with all those level blueprints, world controllers... player controllers...

ocean radish Apr 30, 2020, 5:02 PM

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I'm assuming you've watched the live training series about blueprint communication?

wise jewel Apr 30, 2020, 5:02 PM

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not sure when i need to use them or how to structure something yet

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just scratching the surface

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yes

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but i found other video explaining better for my taste.

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maybe because i'm still starting

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well, i understood how to use them at least

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documnetation itself is not very helpful

marble folio Apr 30, 2020, 5:03 PM

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yeah that is a definition of any documentation... not very helpful 😄

wise jewel Apr 30, 2020, 5:04 PM

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haha well no, other software's doc is actually explaining things

marble folio Apr 30, 2020, 5:05 PM

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@white lynx I do not 100% agree with that... there is a time for propper design and there is time for just "messing" around... the learning part is the time to just mess around and figure out how to NOT do things 😄

wise jewel Apr 30, 2020, 5:05 PM

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i do vfx, i use houdini and i always wanted to try unreal, and now i find this game logic is fun

marble folio Apr 30, 2020, 5:05 PM

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Hm I skip the documentation most of the time and go for the source code... 😄

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I use the docs to figure out where in the source to find stuff 😄

wise jewel Apr 30, 2020, 5:06 PM

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same for me in houdini for some stuff 😄

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to see how some things are implemented is better for me

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but i have no c++ coding experience, i know vex, some python.. used to do mel with maya...

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so for now i'll stick with blueprints, i still need to understand basics of games

marble folio Apr 30, 2020, 5:08 PM

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that is fine.. 🙂 stick with BPs as long as you can 🙂 they are powerful tool for learning

wise jewel Apr 30, 2020, 5:08 PM

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well ok, thanks a lot for the help, i keep doing tuts and testing out stuff

tight venture Apr 30, 2020, 5:51 PM

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Anyone know how to set the default font size for comments in blueprints? Right now it defaults to 18. I Googled for this and it told me to change the "small font" in the project settings, but that had no effect...

loud cipher Apr 30, 2020, 6:00 PM

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📎 2020-04-30_19-00-07.mp4

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How can i make this ship more floaty, right now its to sharp and abrupt, i want to make the user feel as if its actually floating

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What can i use to achieve this?

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Thanks

tight venture Apr 30, 2020, 6:15 PM

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@unique flicker The child is a parent.

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e.g. Vehicle -> Tank, and you spawn a Tank, you're still technically spawning a Vehicle

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so, to answer your question, yes. I do believe that should work

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It may depend on how the event is fired, however. You may need a call such as this in place:

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📎 unknown.png

ocean radish Apr 30, 2020, 6:22 PM

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it will inherit the interface so will still be able to use it fine

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If you want to use the same interface event, but do somthing else can just override the event

tight venture Apr 30, 2020, 6:36 PM

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What is the difference between these? What are these transform variables? I never set them up, so they must be automatically generated...

📎 unknown.png

tough oyster Apr 30, 2020, 6:37 PM

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Hey guys N00B question but is there a way for one BP to call another?

tight venture Apr 30, 2020, 6:37 PM

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What do you mean, call another

tough oyster Apr 30, 2020, 6:37 PM

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Let's say I have a BP that has a common behavior (equiping a weapon)

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Then another BP tries to fire my player weapon, and when it's out of ammo it will equip the next weapon in inventory

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I'd hate to move all that behavior into the firing BP

tight venture Apr 30, 2020, 6:39 PM

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Well, it sounds like you need a parent class with an interface

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Any behavior that two or more BP classes need to implement, it's a good idea to make it an interface of the parent class

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That way, when you call EquipWeapon(), it will fire whatever implementation is appropriate, depending on which child class called it

ocean radish Apr 30, 2020, 7:04 PM

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@tight venture Trasforms just hold all 3 of the others in container, so if you break a transform you would see a location a rotation and a scale value in it

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@tight venture if your talking about what relative is, is a childs location in relation to a parents so say if you moved something in world location to 0,0,0 it you be at the center of the world, if you moved it in relative space to 0,0,0 it would be moved to the center of the parent pivot point. if that makes sense

tight venture Apr 30, 2020, 7:10 PM

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okay, so it's just a convenience set up so that you don't get access to rotation, scale, whatever, if you don't need them. gotcha, thx

ocean radish Apr 30, 2020, 7:13 PM

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@tough oyster you just need to get reference to that other BP somehow then you can either call events directly on it or use a blueprint interface for more general events, if you check out the unreal youtube channel theres a live stream about blueprint communication worth a watch if you get chance will help explain a lot

tight venture Apr 30, 2020, 7:37 PM

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is VInterpTo the only way to get actors to move smoothly from point A to point B?

trim matrix Apr 30, 2020, 7:41 PM

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Hey guys, is it possible to get a reference (variable) of a landscape in a custom blueprint? The landscape is available in world outliner and i created it manually

sly mason Apr 30, 2020, 7:43 PM

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Question, how could I separate the tens and one digit from an integer like 60

polar dawn Apr 30, 2020, 7:52 PM

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uhh, divide by 10?

ocean radish Apr 30, 2020, 7:53 PM

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@trim matrix If your creating it at runtime manually just get it to store a ref in somthing like the gamemode or state then you can use that to get the reference where ever you need it

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Or you could use get all actors of class landscapes. and store that once at level load

halcyon zephyr Apr 30, 2020, 7:58 PM

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Does anyone know how i can have custom events with the same name in different blueprints?

ocean radish Apr 30, 2020, 8:00 PM

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@sly mason if i understand you correct it would be

📎 unknown.png

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that will only work with 2 digit ints though.

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@halcyon zephyr you can just set them to have the same name

📎 unknown.png

sly mason Apr 30, 2020, 8:04 PM

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Thank you, Im basically trying to make an ammo counter with materials, I just created dynamic material instance and im trying stuff from there

ocean radish Apr 30, 2020, 8:06 PM

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@tight venture you could use a timeline to do the movement which uses a curve so could get a bit nicer result

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@tight venture plus that gives you access to other cool stuff like reverse stop and play from times

loud cipher Apr 30, 2020, 8:21 PM

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📎 unknown.png

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made an ai follow me but when the ai touches me it stops

trim matrix Apr 30, 2020, 8:24 PM

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Is there any way I can enable and disable cull distance volumes in blueprint?

ocean radish Apr 30, 2020, 8:41 PM

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@loud cipher depending on what you want to accomplish you may want to look into leveraging behaviour trees, they are really useful but its another thing to learn

loud cipher Apr 30, 2020, 8:54 PM

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anyone know how i can make my mouse movement rotate the character? like a top down game?

trim matrix Apr 30, 2020, 9:01 PM

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hey guys did anybody already use "Editor Apply Spline" and got it working?

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nothing happens to my landscape I want to adjust to a spline

tight venture Apr 30, 2020, 9:11 PM

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@ocean radish Thanks. Yeah, I think I'll try a timeline. So, those are the only two methods of smooth movement?

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I guess, why else would you need any other method...

loud cipher Apr 30, 2020, 9:18 PM

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anyone succesfully got the twin stick shooter template to get the player to rotate based on mouse x movement?

ocean radish Apr 30, 2020, 9:26 PM

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@loud cipher bare with will open an old project I had using topdown mouse rotation

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📎 unknown.png

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📎 unknown.png

trim matrix Apr 30, 2020, 9:31 PM

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Hi! I´m using mouse x to give me a value for speed for an object. But I want the “last” value from the mouse to keep firing until I move the mouse again and give a new value. How do I do this in blueprint? Is loop a good way?

ocean radish Apr 30, 2020, 9:32 PM

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@loud cipher thats how i did it in a project

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@trim matrix your using mouse x axis to fire an event and want it to continually fire the event when its not moving using its last value?

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@trim matrix you could use the xaxis to set a variable, then just use a timer or tick to perform the event

zealous moth Apr 30, 2020, 9:35 PM

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@trim matrix if x axis != 0, set x-axis var

trim matrix Apr 30, 2020, 9:36 PM

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@ocean radish the mouse is my throttle control for a boat. I want to set the speed with mouse moment. So if i move the mouse 2 times the boat shall increase speed two times

zealous moth Apr 30, 2020, 9:36 PM

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that sounds like the worst control scheme ever

trim matrix Apr 30, 2020, 9:37 PM

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or decrees when moving mouse in the opposite direction

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📎 unknown.png

ocean radish Apr 30, 2020, 9:40 PM

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problem you have is with mouse axis events they fire constantly as fast as they can when you move the mouse, there basically on tick you would have to do somthing like an increement of a var and use that to set the so if mouse x is >0 increement var if < decrement

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are you trying to lock it into positions like full speed, half speed, stop half reverse etc or have it in a scale so can be at any point?

halcyon zephyr Apr 30, 2020, 9:42 PM

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https://gyazo.com/21be38a99d4bbd790d2b565f149f6947 https://gyazo.com/d5d00d689f25f6fa7ec9327a595c6e91 Why can't the client shoot??? 😢

Gyazo

trim matrix Apr 30, 2020, 9:43 PM

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@ocean radish i would like it to be in scale

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@ocean radish i´m using the OceanProject so i have to implement it here i think

📎 unknown.png

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@ocean radish can i store the value and keep sending it some how (my scripting knowledge is the worst)

ocean radish Apr 30, 2020, 9:48 PM

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📎 unknown.png

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somthing like that will need to mess around with the numbers, and will be very difficult to actually get to 0, so will have to improve on it adding dead zones or somthing

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then call your boat move on tick, I do agree with Zanet though seems like a very odd movement system, but ofc your game your rules :d

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and feed it the throttle var

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might be mouse y too for up and down

trim matrix Apr 30, 2020, 9:57 PM

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@ocean radish thanks!! i will try this. the mouse input is because that i have an idea to take an old optical mouse dismantlement it and take the optical senor and put it in a real control stick for boats. but i might have to reconsider if it wont work.

ocean radish Apr 30, 2020, 9:58 PM

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@trim matrix you would prob be better off using a joystick 😄

trim matrix Apr 30, 2020, 10:09 PM

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@ocean radish when i got an idea i have to pursue it......not always a good thing 🙂

ocean radish Apr 30, 2020, 10:17 PM

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@trim matrix can't blame you, do the things you like to do

trim matrix Apr 30, 2020, 10:19 PM

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@ocean radish have to go, see ya and thanks

ocean radish Apr 30, 2020, 10:19 PM

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no worries, gl

ripe plume Apr 30, 2020, 11:58 PM

#

yo, i've been pondering this for a while now, but does anyone know how to handle simple delayed jumps?

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just to the point where no one would be able to immediately get back in the air after just touching the ground

#

i've already looked online and there hasnt exactly been anything detailed on that afaik, so if anyone has any idea on that and wants to share that'd be aight

ashen edge May 1, 2020, 12:04 AM

#

Hi guys I've made a player ability class and I'm in the early stages and just testing features and for some reason the anim montage isn't playing but all of the prints successfully print out the correct statement, The animation is set to upperbody btw!

📎 3.JPG

carmine thorn May 1, 2020, 12:08 AM

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@ripe plume That would be pretty simple to do. I'd just save the time of the last jump and run a branch at each branch attempt to make sure it allow a jump within a certain limit. Use Get Game Time in Seconds to save and check the time. it's a float. To check it just take your saved variable - Get Game Time in Second

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If you want it saved the moment you hit the ground you'd have to run it through the movement component, ideally in the animation blueprint or something that runs a tick that won't overwhelm the cpu call stack as there is no event for 'landed'

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@ashen edge Have you hooked up the montage in your animation blueprint?

ashen edge May 1, 2020, 12:21 AM

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@carmine thorn Yup, super annoying haha

carmine thorn May 1, 2020, 12:24 AM

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@ashen edge That's odd then. if your prints are running it should be doing something at least

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Is it possible you created a duplicate anim BP and forgot to set the right BP on the character mesh?

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I had a student who did that once

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It's an easy thing to miss

ashen edge May 1, 2020, 12:29 AM

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The Anim bp is set correctly as I can see the sprint anim as well as see my jump animation in effect

📎 unknown.png

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really weird

carmine thorn May 1, 2020, 12:30 AM

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Can you show me how you hooked up your montage in the Anim BP?

old lance May 1, 2020, 12:42 AM

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I'm spawning and attaching Thruster components to mesh sockets.. if I use automatic attaching with a transform the thruster works.. If I use it as in this BP.. the thruster is not working.. seems to be only when I directly attach the component to the mesh socket that it stops working.. the particle component works no matter what... any thoughts?

📎 unknown.png

carmine thorn May 1, 2020, 12:46 AM

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Is there any reason you can't preattach the thruster to the mesh and just enable and disable it as needed?

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You might want to snap to the socket if you are attaching via BP

ashen edge May 1, 2020, 12:50 AM

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@carmine thorn So i think I found the problem in my montage there only exists 2 slots, the tutorial I'm following has many many more. Im using the default maneequin btw.

📎 unknown.png

carmine thorn May 1, 2020, 12:50 AM

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That might do it.

ashen edge May 1, 2020, 12:50 AM

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And the person running the tutorial picks UpperBodySlot

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where is I only have upperbody

carmine thorn May 1, 2020, 12:51 AM

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I can recommend getting some of the free EPIC paragon characters as they have montages set up properly and it might serve as a useful reference

ashen edge May 1, 2020, 12:52 AM

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Thank you I seen greystone itll server as the knight! haha Thank you very much !

carmine thorn May 1, 2020, 12:56 AM

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No problem

#

hope you get it working

zealous moth May 1, 2020, 1:07 AM

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is there a way to lock the pose/animation in a skeletal mesh character with a BP?

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other than time dilation

carmine thorn May 1, 2020, 1:08 AM

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Yeah, you can just set the mesh to use a specific animation asset

old lance May 1, 2020, 1:33 AM

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Is there any reason you can't preattach the thruster to the mesh and just enable and disable it as needed?
@carmine thorn it's a skeletal mesh.. so it would be nice to have the thrusters follow the mesh..

📎 0FfsutU7Ee.gif

carmine thorn May 1, 2020, 1:33 AM

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Well yeah. just attach them to sockets

old lance May 1, 2020, 1:40 AM

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yeah pretty much.. just can't figure out how to make the thrusters effect the character now

deft ingot May 1, 2020, 2:00 AM

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Hey, (relatively) long time member, first time messenger. I was wondering if anybody is pretty good with Blueprints that could help me with something?

#

I'm working on a waypoint system, essentially like Diablo 2.

#

This is what I've got so far.

📎 TeleporterMenu.mp4

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I also have an Enum with a list of the different Waypoints that you can go to. I'm trying to figure out how to hook up the Enum to the Widget so it will populate the Text Fields on the buttons and transport the Player Character to the selected Waypoint when the corresponding button is clicked.

jovial elk May 1, 2020, 3:58 AM

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So I was asking in another chat and they said maybe i should try asking here xD

#

but lets say (and im playing an old fan game sonic souls) that uses this engine

#

and I enabled cheats and all that, If i wanted to change from lets say sonic to knuckles INGAME, if i were to use the console commands what would that be

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basically switching from one model to another

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is it the one that says Avatar [Classname] ?

still lily May 1, 2020, 4:57 AM

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anyone know why changing my agent radius for Navmesh does literally nothing? XD
it generates a "recastblahblahblah" which has some default crap in it instead of using my project settings and if i delete and rebuild it just regenerates a default recast crap again xD
even if i try changing recast settings instead it temporarily works in editor but as soon as i hit play it doesnt use it anymore and rebuilding leaves old one and regenerates yet another recast so then i have multiple 😦

deft ingot May 1, 2020, 5:02 AM

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@jovial elk If you want to change the character with different Mesh, Animations, Abilities and so on, you would probably want to change the Character BP or Class you're using for the character, not just the Mesh.

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Oh, it's a fan game. I'm not sure about that.

glossy canopy May 1, 2020, 5:11 AM

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So I’m new to Blueprint and coding. I’m currently working on making my character move with WASD. Which I did. I am now working on getting the character to follow the cursor he doesn’t. He just moves all weird.

#

📎 image0.jpg

#

📎 image0.jpg

#

📎 image0.jpg

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Jk. Figured my mistake lol

marble tusk May 1, 2020, 5:19 AM

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@covert stirrup This is what I was talking about the other day. I think this was added in 4.24. Right clicking on a spline point in the viewport gives some new options. One of the options is a Spline Generation Panel where you've got options to generate some basic shapes.

📎 Untitled.png

pure heron May 1, 2020, 5:20 AM

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Is there any way to attach a component by component class?

#

For example, here I'm attaching a component BPC_Bounce. But how do I make that BPC_Bounce into a variable?

📎 unknown.png

jovial elk May 1, 2020, 5:45 AM

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@deft ingot but is there a general console command that can swap a mesh even if it dont have same abilities etc.

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like a while back i used to play a star wars game called jedi academy and in the console command you can just type in "playermodel nameofmodel" and it works...and that was a way weaker engine and almost 20 years ago so im suprised something as advanced as unreal engine doesnt have something similar to that

deft ingot May 1, 2020, 5:53 AM

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Oh, yeah. I see what you're saying @jovial elk.

#

I would think that would be there.

#

@pure heron Can't you just Right Click on the Return Value and Promote To Variable?

pure heron May 1, 2020, 5:55 AM

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That would promote the projectile reference. I need the component I'm attaching to be a variable.

deft ingot May 1, 2020, 5:57 AM

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Dur, urrrhhhmmm, I dunno.

glossy canopy May 1, 2020, 5:57 AM

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What is the definition of Mesh. Sorry. Just started to learn

pure heron May 1, 2020, 5:57 AM

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Mesh = 3D model without textures or anything

glossy canopy May 1, 2020, 5:58 AM

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So if the character is a mesh. And you add a “skin” is it no longer a mesh?

deft ingot May 1, 2020, 5:59 AM

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Oh, that one's easy. It's the visible model of something. It can be a Static Mesh that is just that, static or a Skeletal Mesh that has an Armature that can be animated in complex ways.

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No, it's still a Mesh.

pure heron May 1, 2020, 5:59 AM

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If you add a material to a mesh it's a mesh with a material

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If you pour gravy over your potatoes, it doesn't stop being potatoes

deft ingot May 1, 2020, 6:00 AM

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The skin could just change the Material applied to the mesh or it could change the Mesh and Material but you'd still have a mesh.

glossy canopy May 1, 2020, 6:00 AM

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Oh ok thanks

deft ingot May 1, 2020, 6:00 AM

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Mmmmm, now I'm hungry.

glossy canopy May 1, 2020, 6:03 AM

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Have you guys made any games in the past?

sick sapphire May 1, 2020, 6:05 AM

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like 1 small game

#

📎 unknown.png

#

📎 unknown.png

#

I have a bullet that uses overlap, when I shoot it towards the cylinder, why doesn't the print string print the name of the cylinder and instead prints the name of the Skeletal Mesh?

surreal peak May 1, 2020, 6:11 AM

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Probably collision settings? Iirc that's also not how you check for headshots

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@sick sapphire

sick sapphire May 1, 2020, 6:14 AM

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@surreal peak collision on headshot cylinder thing: overlap all
skeletal mesh: block all
bullet: overlap all
it seems to only work if it hits on only the headshot cylinder but not the mesh
i tried to use bones but i think overlap doesnt give bones in the hit info?

surreal peak May 1, 2020, 6:15 AM

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It does, that's what the Sweep is for

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Headshots are usually done via the PhysicsAsset of the SkeletalMesh

#

That needs proper collision setup for the important bones

#

And that hitname for the bone should be part of the sweepresult

sick sapphire May 1, 2020, 6:18 AM

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@surreal peak ah ok ill try that hold on

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bone name return is none though

#

📎 unknown.png

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hit component is SK_Mannequin

deft ingot May 1, 2020, 6:26 AM

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Btw @sick sapphire I'm working on a game project. Never made on myself.

glossy canopy May 1, 2020, 6:28 AM

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What type of game?

native dust May 1, 2020, 6:32 AM

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Well I made a small 3d platformer hehe

deft ingot May 1, 2020, 6:32 AM

#

What am I working on?

#

Hmm, cool paranoic.

native dust May 1, 2020, 6:33 AM

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no one bought on itch, might give steam a try but im not expecting much, maybe only for the experience

deft ingot May 1, 2020, 6:33 AM

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Well, it's something

native dust May 1, 2020, 6:34 AM

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It's called slip n' flop, if you want to check it out hehe

#

I'm now working on a strategy game

deft ingot May 1, 2020, 6:34 AM

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Got a link?

native dust May 1, 2020, 6:35 AM

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I'm not sure what the rules are about sharing that stuff here, might get some one angry for self promoting

green crypt May 1, 2020, 6:35 AM

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can't figure out why this variable won't set

📎 unknown.png

deft ingot May 1, 2020, 6:35 AM

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I'll look it up.

green crypt May 1, 2020, 6:35 AM

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it was originally a variable from gameinstance, but made it local and it's still refusing to set

deft ingot May 1, 2020, 6:37 AM

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Strategy game sounds cool.

native dust May 1, 2020, 6:38 AM

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yeah, it's an insane step from a platformer but Im going at it

surreal peak May 1, 2020, 6:39 AM

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@sick sapphire Hm, how are you moving the actor?

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@native dust You can share your work in #work-in-progress , or when fully released, in #released .

sick sapphire May 1, 2020, 6:39 AM

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@surreal peak bullet is projectile movement
the actor getting shot does not move but has a character movement compoment

native dust May 1, 2020, 6:40 AM

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thanks @surreal peak

surreal peak May 1, 2020, 6:40 AM

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Strange. It should give you the BoneName.

glossy canopy May 1, 2020, 6:44 AM

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I’m attempting to make a Diablo style game haha

deft ingot May 1, 2020, 6:45 AM

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Nice Flacyd. I'm actually trying to make a Waypoint system similar to Diablo 2.

native dust May 1, 2020, 6:45 AM

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pretty cool

deft ingot May 1, 2020, 6:45 AM

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I'm waiting on a reply from someone in another Discord so I can hopefully get it working.

native dust May 1, 2020, 6:46 AM

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what are you trying to do with waypoints?

deft ingot May 1, 2020, 6:46 AM

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Just get the stupid thing to work. I posted a short video of my progress above.

native dust May 1, 2020, 6:47 AM

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I have to work with a huge nav mesh on a huge map, I've found that I cannot use dynamic nav because actors have to go from one side of the map to the other

#

Hey, (relatively) long time member, first time messenger. I was wondering if anybody is pretty good with Blueprints that could help me with something?
@deft ingot this one?

deft ingot May 1, 2020, 6:48 AM

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Mmmm, that sucks. I'm not knowledgeable with nav meshes. Heck, I'm pretty much at noob at most of this stuff.

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Yup! That's the one.

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2 below that post.

native dust May 1, 2020, 6:48 AM

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It's ok, I am too, but i've learn a great deal just working on the strategy game

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trial by fire haha learning as I go

sick sapphire May 1, 2020, 6:50 AM

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@surreal peak strange, it does work when i use linetracebychannel to debug though

native dust May 1, 2020, 6:50 AM

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Mmmm, that sucks. I'm not knowledgeable with nav meshes. Heck, I'm pretty much at noob at most of this stuff.
@deft ingot It's ok the only drag is that it takes a long time to load the map in the editor, on a cooked build it loads up just fine

deft ingot May 1, 2020, 6:50 AM

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Hmm, weird.

native dust May 1, 2020, 6:51 AM

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hey does anyone knows if there is a way to make a spline work with a nav modifier? or do they only work with collision components?

#

Im looking to add navigation cost to a spline

sick sapphire May 1, 2020, 7:23 AM

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@surreal peak nvm i just made a horribly convoluted system where the bullet would shoot out a short line trace

glossy canopy May 1, 2020, 7:45 AM

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is their a template that shows what size the graphics need to be on everything? like say shooting a projectile. whats the size it needs to be?

sand hill May 1, 2020, 8:08 AM

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I can't for some reason move my character. I have this set in the Character class. I can look around, but not move. What gives?

📎 unknown.png

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I googled everywhere but I can't find anything relating to my problem. There's also no gravity, which my character is supposed to have.

hybrid topaz May 1, 2020, 8:54 AM

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what does min and max actually mean in make box?

vivid quail May 1, 2020, 9:00 AM

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Hi, I'm trying to make my ai spawn from ground. When I use the component move to on mesh and have it going upwards it works fine single player but on multi they raise up and just stand there. Anyone have any ideas?

sand hill May 1, 2020, 9:29 AM

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Holy fuck after several hours I finally figured it out. I had the gamestate set to "GameState" instead of "GameStateBase"

#

Really confusing and had to watch a youtube video to explain it to me.

stable plume May 1, 2020, 10:12 AM

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I have a widget switcher with 5 choices and a load of buttons in each choice. I am thinking of using a new graph for each choice - how does it work? Should I put the button responses down in the primary graph and then just cut/paste them to the new graph? Does unreal keep track automatically of where everything is or do I need to do something more? Can't find any videos on this

glossy canopy May 1, 2020, 10:28 AM

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On the top down game. Can you only have that default camera angle?

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Jk. I’m just a noob and should have messed around more lol

maiden wadi May 1, 2020, 11:13 AM

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@hybrid topaz The Min Max in the make box are vector points in space. You can draw any eight point box using only two points in 3D space

📎 unknown.png

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@stable plume New graphs are just for organization as far as I know. With the way it works, I'd assume that when the blueprint is compiled down it likely treats everything in different event graphs like there's just one graph. You can move them between graphs, call events from different graphs, etc. So whether you use different graphs is just a personal organizational choice mostly.

stable plume May 1, 2020, 11:24 AM

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@maiden wadi yer that is why I want to use them - to keep it organised and easy to return to and understand. So I guess I'll give it a try. Thanks as ever!

glossy canopy May 1, 2020, 11:45 AM

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On making a double jump is their a way to set a cool down? Like say after double jump you cannot double jump again for 5 seconds?

brave citrus May 1, 2020, 11:51 AM

#

anyone know why if I launch in stand alone

https://gyazo.com/d8139321df37561dd90f7173d8d29c40

this would sometimes cause the widget to get stuck on screen, but the player will have full control?
this is called in the widget

Gyazo

maiden wadi May 1, 2020, 11:54 AM

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@glossy canopy Easiest way is to set a timer by event or function name. Set a bool to false when you successfully double jump, and in that event that you're calling after the timer, set the bool back to true, then on your double jump put a branch in that checks the bool. If true allow the double jump. Set the timer to your five seconds and you're good.

glossy canopy May 1, 2020, 11:54 AM

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Sweet thanks

maiden wadi May 1, 2020, 11:55 AM

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Anytime.

honest forge May 1, 2020, 11:59 AM

#

Hello, i am trying to implement swimming into a third person character project. I have setup underwater swimming when the character jumps into a water physics volume but would like to know how to setup surface swimming with a different animation to the under water anim. Any suggestions?

maiden wadi May 1, 2020, 12:01 PM

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@brave citrus Hard to say. Where are you calling that event from? My initial guess is that you have multiple versions of the widget. So closing one gives back control, but a second widget gives the illusion that it never closed.

brave citrus May 1, 2020, 12:10 PM

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https://gyazo.com/cc41de56cce2ad0769a1d811a55cc0f8

Gyazo

#

called from here

maiden wadi May 1, 2020, 12:12 PM

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Well, being a local controller should only call that once. Can you make another input key really quick and just do a get all widgets of class, and print out the length before and after removing the widget from screen?

brave citrus May 1, 2020, 12:13 PM

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The thing is that is only gets stuck sometimes

#

no everytime, which is the confusing part

#

and so far almost all my in game widgets that open and close now do it

trim matrix May 1, 2020, 12:27 PM

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is there a node for removing one widget

maiden wadi May 1, 2020, 12:29 PM

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@trim matrix Remove From Parent.

trim matrix May 1, 2020, 12:29 PM

#

thnaks

heavy lion May 1, 2020, 12:30 PM

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OK. Every time an event fires in one blueprint I want it to fire in another. Interface?

maiden wadi May 1, 2020, 12:37 PM

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@heavy lion Dispatcher

heavy lion May 1, 2020, 12:46 PM

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https://docs.unrealengine.com/en-US/Engine/Blueprints/UserGuide/EventDispatcher/index.html

Event Dispatchers

Allows a Blueprint Class to report on its state to the Level Blueprint.

#

Just reading this. Its only mentioning using it in one blueprint and the level blueprint. Not just another blueprint

maiden wadi May 1, 2020, 12:51 PM

#

@heavy lion Do your two instances of the blueprint have a way of referencing one another?

heavy lion May 1, 2020, 12:52 PM

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Not that I know of. They are just two classes based on actor

maiden wadi May 1, 2020, 12:52 PM

#

How are you spawning them? And what are they for?

heavy lion May 1, 2020, 12:53 PM

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They are placed in the level.
One actor controls the calendar, day and night system. Updates the rotation of the sun and moon.

The other is a weather controller. It will just alter material properties, spawn particles and such

maiden wadi May 1, 2020, 12:56 PM

#

Your easiest method is going to be Direct Communication then. Which one is the one that fires the event and which one receives it?

heavy lion May 1, 2020, 12:57 PM

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The one with the calendar. I wanted that to fire off an event every two hours. The event should be triggered in the weather blueprint

fallen glade May 1, 2020, 12:59 PM

#

Does anyone know what is the best way to connect the post processing volumes of the game to settings ? Do I have to manually send a change to each one everytime the options are changed by the user ?

📎 unknown.png

maiden wadi May 1, 2020, 1:04 PM

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@heavy lion So, in the Calendar, set up a variable that is an object type for your weather blueprint. It needs to be Instance Editable. Then you can click on the Calendar one, it'll have a "Defaults" variable area in the details. You can click on the little dropper and select your other blueprint to set the reference up.

heavy lion May 1, 2020, 1:05 PM

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Thats not a bad idea actually

#

I already know how that jazz works. I use it for other stuff that exists in the level

halcyon zephyr May 1, 2020, 1:09 PM

#

@maiden wadi could you check dm for 1 second?

#

Hey guys, I'm following a course in which the mentor does the following: https://gyazo.com/974e9d48acd5fc1b6c072bc06513f56c So i tried doing this: https://gyazo.com/e914ea8615f4cd53a2256d09a2fe05f6 https://gyazo.com/ed08570de5ad8ed0d6a966fe87865340 but this didn't seem to work. Any idea what i'm doing wrong?

Gyazo

trim matrix May 1, 2020, 1:26 PM

#

How can i get this ina structure

📎 node6.PNG

tight schooner May 1, 2020, 1:33 PM

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@halcyon zephyr can't comment on the #cpp but you haven't set a target for those Fire function calls. It wants to know which BP Rifle actor to call it on.

ashen edge May 1, 2020, 1:36 PM

#

Hey guys Im creating my blueprints exposed from cpp classes and when I search for a blueprint two blueprint classes appear have any of you guys seen this or have a fix?

#

Ive created a cast too test and they are two seperate classes that cant be interchanged

maiden wadi May 1, 2020, 1:38 PM

#

@halcyon zephyr Honestly, I strongly recommend that you spend a few months learning singleplayer things and get a grasp classes and event/function calling before you go adding multiplayer aspects.

weak hound May 1, 2020, 1:47 PM

#

is there a way to like collect data into a database and when i need to pull stuff out of it? so like i have two variables - days and infections and after i click on a button the day passes. is there a way to save the infections at the end of the day and that day somewhere so i can later pull out of data from that database?

round idol May 1, 2020, 1:50 PM

#

@weak hound Afaik, you can't write to data tables, they're read-only. However, you can have array of structs or a map which stores your vars, and you just add one more element to the array at the end of the day with the desired info.

ashen edge May 1, 2020, 1:53 PM

#

Really weird thing about it, is it lets me access variables but then gives me a error when I try and connect them saying there incompatible

frozen spear May 1, 2020, 2:06 PM

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@trim matrix you create a blueprint structure and add a new variable... And type "texture2d" it show show up as a type for you

trim matrix May 1, 2020, 2:06 PM

#

thnkas

halcyon zephyr May 1, 2020, 2:14 PM

#

My client can't see the shooting, only the server can. Am i supposed to make the startfire funciton multicast? https://gyazo.com/06b0fa82b44aeda27d4cf827ceb7978b

Gyazo

hazy igloo May 1, 2020, 2:27 PM

#

What is the better solution to control a "tick gate": An interface or a boolean in the game interface with a branch?

zealous moth May 1, 2020, 2:42 PM

#

is there a setting i can tweak to get the navmesh to connect?

📎 unknown.png

#

@halcyon zephyr you should multicast from server and call from client to server to multicast the event

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@hazy igloo what is it you are trying to do? if tick is a must, i'd do a bool; if it can go lower than tick, use a looping timer

hazy igloo May 1, 2020, 2:45 PM

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I want to implement a ticked turn based system: I want to use a UMG button to stop the turn for all actors.

zealous moth May 1, 2020, 2:46 PM

#

ticked??? as in timed? like chess turns?

hazy igloo May 1, 2020, 2:46 PM

#

Like in Neverwinter Nights

trim matrix May 1, 2020, 2:47 PM

#

could you give an example

#

lets say you have 180 seconds a turn

#

and you want to finish your turn earlier or smth ?

hazy igloo May 1, 2020, 2:50 PM

#

NWN used time for turns. 6 secs are one turn. I don't use time, I use ticks. But I want to stop the turn by the UI. So you can change commands for the actors as example

zealous moth May 1, 2020, 2:52 PM

#

you're better off using timers instead of ticks for several reasons, such as lag.

hazy igloo May 1, 2020, 2:52 PM

#

@zealous moth Yes, this can be true.

zealous moth May 1, 2020, 2:53 PM

#

the other reason is performance, on tick you're demanding every frame for a computation; using a timer on a 1s interval reduces your load up to 30 times

hazy igloo May 1, 2020, 2:54 PM

#

But how can I stop all my units in movement?

teal spade May 1, 2020, 3:10 PM

#

Hey y'all, been trying to crack a problem for more than two days now, and thought to ask, if someone could tell me what I'm missing. I've an actor placed inside a level, pointed at a camera, then turned into a 2d texture, to finally become a cursor. Now, the issue comes when I add a variable to the actor's BP, which I'd wish to call for its animation (from an interface). Must be missing something really simple, but for some reason the interface message does nothing (although I can see it getting data I think), when I try to call it inside the animation blueprint. Check out the image for more. Any ideas?

📎 hmm.jpg

hazy igloo May 1, 2020, 3:11 PM

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@zealous moth I will try an other approach. Thank you for your help

zealous moth May 1, 2020, 3:15 PM

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@teal spade your message has to be sent to your actor anim bp, not self

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@hazy igloo make their movement either get checked on a timer or using the AI controller, stop their movement tasks

teal spade May 1, 2020, 3:17 PM

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@zealous moth and how can I do that? can't find a target object for that

zealous moth May 1, 2020, 3:18 PM

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first hit on google: https://docs.unrealengine.com/en-US/BlueprintAPI/Components/SkeletalMesh/GetAnimInstance/index.html

Get Anim Instance

round idol May 1, 2020, 3:19 PM

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Can someone see any problem with this function? It sometimes returns infinite loop. it's an initiative roll for a NextTurnEvent for turn-based game mechanics.

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📎 unknown.png

teal spade May 1, 2020, 3:21 PM

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@zealous moth still nothing

zealous moth May 1, 2020, 3:21 PM

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@round idol how in the world does this even work?? you remove map keys and then... what? no more keys?

round idol May 1, 2020, 3:22 PM

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@zealous moth 😂 yes

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and only returns infinite loop in certain situations ...for some reason

zealous moth May 1, 2020, 3:22 PM

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so how do you remember what the initiative was? you rebuild it?

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@teal spade then somewhere in between you are not connecting a step. Add print strings between all your steps numbered 1 to x

teal spade May 1, 2020, 3:24 PM

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@zealous moth I've noticed that the actor's event tick stops after a few milliseconds, after launching the game

#

never seen such a thing

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thought it was only just a bug, as the editor not always capable of showing the active progresses/lines of code

round idol May 1, 2020, 3:28 PM

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@zealous moth Yes, sry had to afk for a moment there. Yes, I repopulate it. If it's empty, I retake all living actors and remake it, then restart the cycle

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@zealous moth But if it's not kosher, how would I go about it? 😛

zealous moth May 1, 2020, 3:38 PM

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@round idol well the only reason it may loop is the fact that you put a loop in it to begin with; your "remove" has a boolean to say whether or not it did anything. Add another branch there and if false, return an error and see if you can track it.

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@teal spade how did you check if the tick stopped? did you put a print string right after tick?

teal spade May 1, 2020, 3:40 PM

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@zealous moth it stops printing the string, and can literally see that it stops (have windowed mode on), however I managed to make it tick continuously, by setting the Auto posses to player 0, instead of disabled. But the problem is still there... guess will have to tinker with this for a day or two

frozen spear May 1, 2020, 3:40 PM

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@teal spade is your mouse input being consumed by a controller

zealous moth May 1, 2020, 3:41 PM

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ah that's a good point

frozen spear May 1, 2020, 3:41 PM

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Also what is the type of the object

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Cause only character and pawn can except inputs

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Actors ignore it

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Character and up....

teal spade May 1, 2020, 3:42 PM

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nope, check the consume option

pure heron May 1, 2020, 3:42 PM

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So, a seemingly simple problem – player picks up an upgrade, and now all of his projectiles leave pools of fire on bounce, explode on despawn, etc.

How to modify projectile's behavior? Simple. Add event dispatchers for bounce, for despawn, and call them. Then create some actor components that would bind themselves to those dispatchers and do the job.

Component's been added to the projectile, and it works. Thing is, how to do it on runtime?

Easy! When the weapon spawns the projectile, I get a reference to it. Grab that and add BPC_BounceFire and BPC_DespawnExplosion.

Now here's something I can't figure out – how to make them variable? Do I just chain branches if (hasBouceFire) AddBPCBouceFire(), if (hasDespawnExplosion) AddBPCDespawnExplosion()? I would hope not.

But you can't attach components by their class, you can't do it by a reference to them, the only way is those hardcoded nodes.

What am I missing?

cunning lily May 1, 2020, 3:43 PM

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Are "gameplay tags" and "tags" the same thing or different?

frozen spear May 1, 2020, 3:43 PM

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But if you have a character or something else in the stage listening for mouse input it could be consuming it as resolved

round idol May 1, 2020, 3:43 PM

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@round idol Fair enough, i'll look into it 🙂 u right, I keep ignoring those built-in debug bools. I'll give it a try ty 🙂

teal spade May 1, 2020, 3:44 PM

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@frozen spear yes, but if I set the variable to 1, by hand, and just send to the interface, it still does nothing

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I've a print node for the animation BP, to check if the variable went through the interface

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so far nothing

frozen spear May 1, 2020, 3:45 PM

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@round idol why not a for each loop with break instead of that?

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@teal spade remove the return node from the interface

round idol May 1, 2020, 3:46 PM

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@pure heron have you tried a switch? Make an enum var as default for those "effects". Get the var and run a switch.

pure heron May 1, 2020, 3:47 PM

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What if I need multiple effects?

cunning lily May 1, 2020, 3:47 PM

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Do I just chain branches if (hasBouceFire) AddBPCBouceFire(), if (hasDespawnExplosion) AddBPCDespawnExplosion()? I would hope not.

@pure heron Perhaps you want a Map that maps effect flags to effect classes?

frozen spear May 1, 2020, 3:47 PM

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Should just be the entery node...it enters with the info to pass along

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Adding a return node makes it pass nothing along instead

pure heron May 1, 2020, 3:47 PM

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Also, I could map whatever to the component class. Thing is, you can't attach an actor component by class, far as I can tell

round idol May 1, 2020, 3:48 PM

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@pure heron No, you can't I had this problem when I was designing my own skill/ability system

teal spade May 1, 2020, 3:48 PM

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@frozen spear there's no return node anywhere in the bp

pure heron May 1, 2020, 3:48 PM

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There's AttachThisComponent() and AttachThatComponent(), and AttachMeshComponent(), but no AttachComponent(ActorComponent component)

frozen spear May 1, 2020, 3:48 PM

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In your bpi

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Its clearly on the picture you posted

pure heron May 1, 2020, 3:49 PM

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@round idol How did you solve it? If you did, that is

frozen spear May 1, 2020, 3:49 PM

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@teal spade

round idol May 1, 2020, 3:50 PM

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@pure heron Just transfered complex logic to BP actors and I spawn/despawn them accordingly - mostly data-only bps. Advantages are that you can have particles/decals/complex effects attached to them so...I just went with BPs

frozen spear May 1, 2020, 3:51 PM

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What are you doing there @round idol ...cause to me that screams for each loop with break

pure heron May 1, 2020, 3:51 PM

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I was afraid I'd have to do something like an array of classes that activate on bounce, and on bounce the projectile would foreach over them and activate them in order

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That's a bummer

teal spade May 1, 2020, 3:52 PM

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@frozen spear you lost me there. whats there in the interface?

frozen spear May 1, 2020, 3:52 PM

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That return node

round idol May 1, 2020, 3:52 PM

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@frozen spear Yea, I'll look into it, just got caught-up here 😂 Sec, i'll get to work right away, ur right! 😛

teal spade May 1, 2020, 3:52 PM

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ok, no idea what a return node is then

frozen spear May 1, 2020, 3:52 PM

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The bpi should just be an entry node that contains the float to pass along

teal spade May 1, 2020, 3:53 PM

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yes, it has one input

cunning lily May 1, 2020, 3:53 PM

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@pure heron I think you can call "add component" with your component, it says "DO NOT CALL MANUALLY" but IIUC it's safe to ignore that from blueprints

frozen spear May 1, 2020, 3:53 PM

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Lol it literally saids "return node" on it

pure heron May 1, 2020, 3:53 PM

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I'll look into that, thanks

teal spade May 1, 2020, 3:53 PM

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oh, that. I didn't add that

frozen spear May 1, 2020, 3:54 PM

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Create a new function in you bpi...call it whatever, give it just a float as input

cunning lily May 1, 2020, 3:54 PM

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@pure heron or you could try adding all the possible effects and disabling them by default

frozen spear May 1, 2020, 3:54 PM

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Nothing more

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Save

pure heron May 1, 2020, 3:54 PM

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That seems like a performance nightmare

frozen spear May 1, 2020, 3:54 PM

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And add the bpi event for it to the bp

cunning lily May 1, 2020, 3:54 PM

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not if they're disabled

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but ok

pure heron May 1, 2020, 3:55 PM

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And I might want multiples of each

cunning lily May 1, 2020, 3:55 PM

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yeah doesn't seem ideal

pure heron May 1, 2020, 3:56 PM

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Can't see a bare AddComponent anywhere

teal spade May 1, 2020, 3:57 PM

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@frozen spear I see, because I've been trying to make it work, it put that node there... sorry about that. However, creating a new one, and replacing the message and event nodes, did nothing

frozen spear May 1, 2020, 3:58 PM

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Ok repharsing

teal spade May 1, 2020, 3:59 PM

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: )

frozen spear May 1, 2020, 3:59 PM

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The message is sent to actors that use the bpi

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In the bp youre sending it to itself

teal spade May 1, 2020, 4:00 PM

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yes, but now I switched it to anim instance > mesh

frozen spear May 1, 2020, 4:02 PM

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It would need to be directly targeted to the classes that implement the bpi

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In your case the animbp...not the mesh

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Add a variable of type animbp in your graph for the sender....set it to the animbp of the actor with a get from beginplay

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Then at message send it directly to the animbp

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You can also set in the graph of animbp

teal spade May 1, 2020, 4:05 PM

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hm

trim matrix May 1, 2020, 4:05 PM

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My unreal engine always crushes; anytips on how to make it work without force closing

frozen spear May 1, 2020, 4:05 PM

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Just store a ref of the animbp self on your player

teal spade May 1, 2020, 4:06 PM

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think the actor's class is messed up somehow

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it was set to character, but changed it back to actor

frozen spear May 1, 2020, 4:06 PM

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Or use any method you know best... But the messages from bpi have to target the objects that use them directly... Not indirectly

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Targeting the mesh that has the animbp will not send the message to the animbp

round idol May 1, 2020, 4:09 PM

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@frozen spear Ok, weird...I debugged it and I know what happens. Somehow, THIS (see SS) removes the KEY but not the VALUE...

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📎 unknown.png

teal spade May 1, 2020, 4:09 PM

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@frozen spear will try to make it work, somehow. thanks anyways!

frozen spear May 1, 2020, 4:10 PM

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That's all you're telling it to remove

round idol May 1, 2020, 4:10 PM

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So what happens is, the map is >0 but the entry is [none]>[# (value)]

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@frozen spear

📎 unknown.png

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nope

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or, the node description is broken (outdated/something)

frozen spear May 1, 2020, 4:12 PM

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So you're pulling the value and keys from the map and leaving behind garbage why don't you remove from the map itself rather than from the keys

round idol May 1, 2020, 4:13 PM

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I'm removing from the map itself man

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look at the cord, the remove is connected to the map not the array, it just gets the key from the array

frozen spear May 1, 2020, 4:14 PM

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Chill dude, I'm still not even understanding why you're not using a for each loop with a break here... Kind of following through something you would never actually do is tough

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But you would literally never do that like that

round idol May 1, 2020, 4:15 PM

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Chill dude,
@frozen spear Don't get me wrong, I'm not angry or anything 😂

sand shore May 1, 2020, 4:15 PM

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The call to Remove absolutely does remove the value

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My guess is that you had duplicate values (which is allowed)

round idol May 1, 2020, 4:16 PM

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I just don't see how I'd go about implemmenting a withbreak in this scenario. Break when actor is not valid?

sand shore May 1, 2020, 4:16 PM

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Or you get the value array and store that as a variable

round idol May 1, 2020, 4:16 PM

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@sand shore I do get duplicate values

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The isvalid checks to see if the actor wasn't "killed" in the turn so it shouldn't exist in the map anymore.

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But I guess I could just "report" it's death and remove it from the map during the turn

frozen spear May 1, 2020, 4:18 PM

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Thats one way

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Did you try the removecurrent node

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Instead of just remove

round idol May 1, 2020, 4:19 PM

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The only weird thing is that it only leaves that "garbage" behind sometimes. Most times it runs fine, so I'm wondering if it's not some kind of bug with the node...

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Did you try the removecurrent node
@frozen spear didn't even see that node 😄

sand shore May 1, 2020, 4:19 PM

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I wanna see where you see that "garbage"

round idol May 1, 2020, 4:19 PM

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I'll run it again and hopefully get that. Lemme try and catch one 🙂

sand shore May 1, 2020, 4:19 PM

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Yeah RemoveCurrent is a nonstandard thing, never heard of that outside of iterators (that's C++)

frozen spear May 1, 2020, 4:20 PM

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All my projects are c++ ue4 projects

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I assumed you could use it as a node as well

sand shore May 1, 2020, 4:20 PM

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There's a limited subset of things you could do in BP

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That's also why this function is O(N3)

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Gotta loop over the map to get the keys, then loop over it again to get the values, ... and that's a direct lookup instead of the common pattern of then looping over the keys and getting the corresponding values.

round idol May 1, 2020, 4:24 PM

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@sand shore 5 times in a row and doesn't break...Like I said, It only breaks sometimes. The "scenario" is the same: 4 units, one dies in first turn, sometimes the loop breaks...I'll try some more xD

sand shore May 1, 2020, 4:24 PM

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sometimes it "breaks"?

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What, you mean, you have a unit you'd expect to find but you don't? You get nothing back?

vestal plinth May 1, 2020, 4:25 PM

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is it possible to use another actor's camera without depossessing the current pawn?

sand shore May 1, 2020, 4:25 PM

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Looking for SetViewTarget

vestal plinth May 1, 2020, 4:25 PM

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cheers

frozen spear May 1, 2020, 4:26 PM

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Youre also comparing for less than 0 on the map ...pretty sure a length of exactly 0 is empty

sand shore May 1, 2020, 4:26 PM

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!?

frozen spear May 1, 2020, 4:27 PM

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Maybe tou meant less than or equal

sand shore May 1, 2020, 4:27 PM

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That's not what I read there

frozen spear May 1, 2020, 4:27 PM

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Im on my phone

sand shore May 1, 2020, 4:27 PM

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if (Map.Num() > 0) { function() } else { return nullptr; }

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that's what I see

round idol May 1, 2020, 4:28 PM

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@sand shore Ok, sry, was still testing. 5 more tests and didn't break. By breaking I mean I get an infinite loop

frozen spear May 1, 2020, 4:28 PM

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I see it now...i should screenshot so you all can see what i see

sand shore May 1, 2020, 4:28 PM

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Indeed

frozen spear May 1, 2020, 4:28 PM

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The image is very small

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Even blown up

sand shore May 1, 2020, 4:29 PM

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Yeah so I don't see that being infinitely looping

frozen spear May 1, 2020, 4:29 PM

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Is ue4 detecting it as infinite?

sand shore May 1, 2020, 4:30 PM

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Yeah that's definitely possible

frozen spear May 1, 2020, 4:30 PM

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Or are you actually seeing it

sand shore May 1, 2020, 4:30 PM

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If you go over a particular amount of "terms" without hitting any of a particular known set that have been whitelisted, the editor will freak out and say "Hurr, you've got an infinite loop"

round idol May 1, 2020, 4:30 PM

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What I actually saw during debug was [none] for key and 5 for value...

sand shore May 1, 2020, 4:31 PM

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Oh, yeah, that's okay.

frozen spear May 1, 2020, 4:31 PM

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Ok so you are actually seeing it

round idol May 1, 2020, 4:31 PM

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that's what I've been trying to obtain again but couldn't 😐

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I cought it Once xD

sand shore May 1, 2020, 4:31 PM

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That just means that your map was tracking a unit that got garbage collected.

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It's fine, that's expected behavior when the unit is GCd

frozen spear May 1, 2020, 4:31 PM

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The ue4 compiler tends to be very very good at catching inf loops before they even have chance to run

sand shore May 1, 2020, 4:32 PM

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Yeah but that metric is pretty limited.

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It'll find your inf loops, but it'll also catch things like this?

frozen spear May 1, 2020, 4:32 PM

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But is his unit being destroyed somewhere before this code runs?

sand shore May 1, 2020, 4:32 PM

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You'd need a large set of units

round idol May 1, 2020, 4:32 PM

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But I actually wenth through the loop like 5 times after and the key - obviously - didn't get removed since it didnt "exist" but still, the value was there in the broken map

sand shore May 1, 2020, 4:33 PM

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@frozen spear Yeah he calls Destroy manually. That's why it gets GCd and he has a nullptr entry

round idol May 1, 2020, 4:33 PM

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Ok, so it is sort of "a bug" in my exact situations and should just remove from map on dead

sand shore May 1, 2020, 4:33 PM

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I wouldn't say so

round idol May 1, 2020, 4:33 PM

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I report death anyway to the same bp which handles this function so I'll just add a remove from map there

sand shore May 1, 2020, 4:33 PM

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you can remove a nullptr entry by saying Remove(nullptr)

frozen spear May 1, 2020, 4:34 PM

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You could remove him from this units map before calling destroy

sand shore May 1, 2020, 4:34 PM

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That's probably wise anyhow

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🤔 I wonder if you get this odd behavior because multiple units were garbage collected before this function ran

round idol May 1, 2020, 4:35 PM

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@frozen spear Yep, Doing that for buffs/other mechanics already so I'll just remove from map through that function so this one can run clean 🙂

sand shore May 1, 2020, 4:35 PM

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TMap probably makes assumptions about only having unique keys

frozen spear May 1, 2020, 4:35 PM

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Very possible...

round idol May 1, 2020, 4:35 PM

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Just wanted to understand so I don't use this type of functionality in the future 🙂

sand shore May 1, 2020, 4:35 PM

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Either way, later calls to Remove would clear it up

round idol May 1, 2020, 4:36 PM

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Anyway, thx alot for ur hlp and time guys 🙂 i'll just report unit dead and run this one clean. ty!

frozen spear May 1, 2020, 4:36 PM

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But removing nullptrs is pretty janky...you should handle it correctly...so you are never having to remove garbage yourself

sand shore May 1, 2020, 4:37 PM

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You're going to be null/valid checking anyway, even if you strive to keep it clean

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(not to say that you shouldn't clean)

frozen spear May 1, 2020, 4:37 PM

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That's a nice safety net yes... But if he ends up with 20 to 30 different nullpointers each loop he clearly hasn't set up something correctly

maiden wadi May 1, 2020, 4:38 PM

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Do I need to do anything else besides specify a transition map, and set UseSeamlessTravel to true in the game modes for each map to use the ServerTravel console command?

loud cipher May 1, 2020, 5:12 PM

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i have this bp i made where my weapon spawns with the character, i made a menu and i want it so the player can choose his weapon on the main menu

#

📎 unknown.png

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how can i achieve this through widget bp3

#

📎 unknown.png

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i have no idea on how to start with this

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Any help is much appreciated

leaden crown May 1, 2020, 5:28 PM

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I would like to know this too, as my difficulty will be based off weapon choice (maybe)

frozen spear May 1, 2020, 5:30 PM

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You could spawn a "weaponbp" instead...make sure the weapons are all children classes of the weaponbp...from the widget using a stored ref to the player if its not attached to the player character...set the weaponbp on the character to the choosen gun

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Make sure to do an isValid before spawning weaponbp tho

loud cipher May 1, 2020, 5:31 PM

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I have made a weapon base, which contains all the data and variables, and the rest are children of this, i would spawn the base?

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1st or 2nd image?3

civic ridge May 1, 2020, 5:32 PM

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you can also look in to game instances, in you menu you you can store it here then when you load the new level you call the weaponn form your game instance

frozen spear May 1, 2020, 5:32 PM

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You make a varible on the char of type weaponbp... in the menu you set "riflebp" which is a child of weaponbp

loud cipher May 1, 2020, 5:32 PM

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Sorry im a little confused

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So first thing, what would i do

frozen spear May 1, 2020, 5:33 PM

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Add a variable to playerchar...of the base class of weaponbp

loud cipher May 1, 2020, 5:33 PM

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Yeah got that

frozen spear May 1, 2020, 5:34 PM

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Then make a guns out of weaponbp by right-click create child of weapon

loud cipher May 1, 2020, 5:34 PM

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Yup

frozen spear May 1, 2020, 5:34 PM

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Then where you spawn it...plug in the weaponbp variable from the player

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After an isValid?

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Then in menu, you store an array of weaponbps

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Based onnthe clicked button or page or however you handle you menu...have the menu "setweaponbp" on the playerchar

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To one out of the array of weapons

loud cipher May 1, 2020, 5:36 PM

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📎 unknown.png

frozen spear May 1, 2020, 5:36 PM

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Which you populate

loud cipher May 1, 2020, 5:36 PM

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Is that picture correct?

frozen spear May 1, 2020, 5:37 PM

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Take the weaponbp variable from playerchar and get it...drag off and type spawnactor

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You want the version that spawns bp actors

loud cipher May 1, 2020, 5:39 PM

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📎 unknown.png

#

so something like this?

frozen spear May 1, 2020, 5:40 PM

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As long as that is using the ref of the weaponbp you set as a variable on playerchar yes

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Otherwise no

loud cipher May 1, 2020, 5:40 PM

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Okay great

#

it is

frozen spear May 1, 2020, 5:41 PM

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The menu can set weaponbp children as you need on to the playerchar at clicked or selected buttons...or whatever you choose

loud cipher May 1, 2020, 5:41 PM

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yup

frozen spear May 1, 2020, 5:41 PM

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When he spawns in it will create the weapon

loud cipher May 1, 2020, 5:42 PM

#

📎 unknown.png

#

This is what i put, would i use the class now?

frozen spear May 1, 2020, 5:42 PM

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You should do isValid? Check before attempting to spawn it tho

loud cipher May 1, 2020, 5:42 PM

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Oh yeah

frozen spear May 1, 2020, 5:43 PM

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Here you would grab the playerchar....and castto his class if you havent yet...then as playerchar---- set weaponbp .

loud cipher May 1, 2020, 5:44 PM

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i have already set weapon bp?

frozen spear May 1, 2020, 5:44 PM

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Youre not setting it on the playerchar

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The player needs that variable

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And from the menu you set it

loud cipher May 1, 2020, 5:45 PM

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do i cast to weaponbase in playerchar?

frozen spear May 1, 2020, 5:45 PM

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Is your character a weapon?

loud cipher May 1, 2020, 5:46 PM

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No

frozen spear May 1, 2020, 5:46 PM

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Is reference the player pawn?

loud cipher May 1, 2020, 5:46 PM

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No the reference is weaponbp

frozen spear May 1, 2020, 5:46 PM

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(thats a terrible name for that variable)

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Have the menu grab a reference of the player pawn...then cast it to thw player pawn class...then as player pawn class set weaponbp variable

loud cipher May 1, 2020, 5:49 PM

#

📎 unknown.png

#

This is what i got

frozen spear May 1, 2020, 5:50 PM

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Now plug in the weapon of choice there

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From an array of "weaponbp" type....

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You should fill it with bp guns that are children of weaponbp class

loud cipher May 1, 2020, 5:53 PM

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do i have to cast to them in the menu to get the weapons then?

frozen spear May 1, 2020, 5:54 PM

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You add a variable to the menu

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Make it an array