blueprint

[kind estuary]

🫕

it just feels like playing safer to use AActor

even though i only need the data

[gentle urchin]

Its your game so

At the end of the day you take the risk/ investment,

[stoic root]

oh, i thought i was. Im still learning. Could you provide any pointers? Thank you.

[gentle urchin]

So its your call

[gentle urchin]

Relative rot is 0,0,0

[kind estuary]

you also mentioned FastArray. I never heard of it or saw it in tuts
im checking the docs

[stoic root]

Yes, i tried to change the value in the relative transform, put that didnt produce any motion. I tried to hook the rotator into the rotation input of the relative transform, that seems to make a single small rotation at the beginning.

[gentle urchin]

Personally id drive the two individually

Not sure whats up with scale but

Id just run location and rotation on tick,

Not as relative transforms

[kind estuary]

https://docs.unrealengine.com/4.27/en-US/API/Runtime/Engine/Engine/FFastArraySerializer/

Is this the FastArray? @gentle urchin

never used it

always used TArray

[stoic root]

hm, i had issues where the object was always at zero world space, however switching to relative transform seems to fix that so its now in the location of the spline itself.

[gentle urchin]

Just gotta have then the same... both world or both local

[timid rune]

How do I lock the rotation of an actor when it is attached to another actor?

[versed sun]

Attach Actor to Actor, Rotation Rule>Keep World?

[gentle urchin]

Is the saw part of the track?

The same actor?

Looks like it

[stoic root]

Yes, is this a bad approach?

[undone bluff]

Rotate it using WPO in the shader

Actual transforms are expensive

[lofty rapids]

how do i get the current directory that the executable is running in ?

or a directory i can store files in that i can access ?

somewhere in the actual shipping build

i would like to include the folder as well, but i can just add it later on

[marsh meteor]

anyone down to help me with some things on my first project? making a third person game and having trouble wrapping my head around node stuff 😭

[thin panther]

it helps a lot more if you explain the problem

[lofty rapids]

have you ever programmed before ?

[marsh meteor]

it's a few different things- currently trying to make a double jump that adds more force in the like direction input? if that makes sense

[marsh meteor]

a little bit, but it was c# in unity

[dire frost]

kind like where mario leaps forward in mario64?

[marsh meteor]

i don't have much air control, but i want the player to be able to adjust their direction when they double jump mid-air

[stoic root]

oh, you're suggesting taking a 2d rotation approach? instead of rotating the geometry itself? that seems to make more sense. Though i would still like to try and understand how to get the geo rotating given the existing setup, purely for educational experience.

[undone bluff]

https://youtu.be/m60c_Mo2KUk

really good overview

[stoic root]

ok will watch that, thank you.

[dire frost]

use LaunchCharacter node. it allows you to "override" the player's XY velocity

[silk sail]

How come my server rpc never gets called when I press the input action on my client?

[gentle urchin]

you just gotta figure out the correct rotational axis

[dire frost]

check the console for any warnings. if the player doesnt own the object where the RPC is being called on then the RPC wont be processed, or something like that

better ask in #multiplayer

[marsh meteor]

this is what i have rn and it's not working, but again i'm like a beginner and just trying things until they work lmao

[stoic root]

yup, thats the goal 🙂

[silk sail]

how can I check that the player owns the object?

[gentle urchin]

I got them in two separate actors

but you could probably combine them with some effort

having them separated makes sense to me

[stoic root]

could you share a screen grab of the two networks?

[gentle urchin]

this is the setup im using

its a looping spline so I reset on reaching the "end" , but in your case you just wanna invert the speed

[stoic root]

cool, thanks, will see what i can learn from this information.

[gentle urchin]

realized i brainfarted on the select

modulo length works in my loop case 🙂

So i rotate the Actor to face the direction of the spline

while i rotate the cube in relative space, to my liking

there's some gimballs going on if you're not carefull, but single axis should be fine while using combine rotators

atleast in my short experience

[carmine palm]

What is difference between a macro and a function? IE why use a macro

[gentle urchin]

Macro can be latent, easily have multiple input output exec pins, and can be viewed more like... a code template?

Function normally is expected to instantly complete/return

But is 'the same code' instead of copies of code .. if that makes sense?

Horrible explanation 😂

[hardy pine]

what is the name of this type of node:

[gentle urchin]

Its a set node.. for a bool

Usually its found by searching for "set insert variable name"

[hardy pine]

alr thank you

[marsh meteor]

if anyone has any thoughts on this, i think it's working better than my last blueprint but i can't figure out how to override the velocity for the second jump

[carmine palm]

my eyes

[gentle urchin]

You know cmc /character supports multijump?

I bet you didnt ^^

[marsh meteor]

i do know that, i'm trying to get it to work where i can change directions on the second jump w/o having a lot of air control

my brain feels so small rn lmao

[copper flower]

How do I add a cooldown between each time a "key" / "input" is pressed?

[undone bluff]

Just set a Timer

[undone bluff]

how about this?

[marsh meteor]

oooooh i'll try that thank you! @undone bluff

[lofty rapids]

anyway in bp to get the current working directory ? like on a shipping build get the directory the executable was ran in ?

[undone bluff]

found this in an old project

another way, instead of redirecting the current velocity on jump it just adds some

[copper flower]

Where would i add the timer i cant seem to get it to work

[undone bluff]

input action > branch or DoOnce opened by an event > set timer for that event

[proper flower]

someone knows why the math expression creates multiple Input?

solved: ((a)-30) instead (a-30)

[stoic root]

Can anyone help me with these errors please? trying to add a health value to a HUD 😄 apologies in advance, still learning! Thank you.

[undone bluff]

I think the issue was just not using spacebar

A - 30 instead of A-30

[proper flower]

floor(a/31)+floor((a−30)/24)+floor((a−53)/18)+floor((a−71)/13)+floor((a−84)/9)+floor((a−93)/7)
Strange, it works if I add the parenthesys on the second a

but if I use them in all "a" i get error

a crazy error

floor(a/31)+floor((a−30)/24)+floor(((a)−53)/18)+floor((a−71)/13)+floor((a−84)/9)+floor((a−93)/7)

if for example I use () on the third a

[undone bluff]

a cast needs to be executed

[proper flower]

I get error

floor(((a)−53)/18)

but if I use it on the second one: floor(((a)−30)/24) it works

it's a bug?

surely is in some manner

[stoic root]

oh, so move it into the Event Graph?

[proper flower]

cause it says that missing a ")"

[undone bluff]

the white connection is your execution wire

the cast isn't happening, there is no data to use

[stoic root]

yes, but how do i connect it to and EXEC event in this editor?

[undone bluff]

Get text > cast > return

[proper flower]

I even used the "[" but nothing

[stoic root]

Apologies, can you be more specific

ah sht i see

like this ?

[undone bluff]

yea but for some reason you have a second unconnected cast and you are trying to get data from it instead

[stoic root]

ah my bad, i intended to delete tha

[proper flower]

nothing works

[stoic root]

ok errors gone! cool thanks 🙂

[undone bluff]

have you read the docs?

https://docs.unrealengine.com/5.3/en-US/math-expression-node-in-unreal-engine/

ah they do actually advise not using spaces

more importantly double click the node to see what it's doing

maybe reinput the expression bit by bit and see where it goes wrong

[proper flower]

it goes wrong on the third section

as I said if I insert parenthesis in the second "a" it works

floor(a/31)+floor(((a)−30)/24)+floor((a−53)/18)+floor((a−71)/13)+floor((a−84)/9)+floor((a−93)/7)

why it says missing ")" here?

[kind estuary]

The teleport option on is supposed to be cheaper right?

[dire frost]

what am i seeing!

[dire frost]

iirc it queries the environment to get the best fit for the actor assuming down == FVector::DownVector.

basically it does a bunch of traces to find the best fit

[kind estuary]

ah damn so it should be false for better performance

[kind estuary]

argh

okay

though it sounds by the name that it skips physics stuff

[proper flower]

what are you seeing?

[dire frost]

if you dont need it to be placed properly for you then yeah why not?

[dire frost]

idk you tell me! that is some cursed use of the math expression node 😄

[proper flower]

is a simplified expression of a 1 to 100 random with differential proportion (%) of a 6 byte output

but this is the first time I use the math expression and surely it work differently

here's my original Equation

I cannot get it working

I can simply use other method, but I want to use math expression

🥲

[dire frost]

floor(a/31) + floor((a-30)/24) + floor((a-53)/15) + floor((a-71)/13) + floor((a-84)/9) + floor((a-93)/7)

here ya go

that is way less cursed 😄

[proper flower]

it automatically changed my expression in that curse

my original was :floor(a/31)+floor((a−30)/24)+floor((a−53)/18)+floor((a−71)/13)+floor((a−84)/9)+floor((a−93)/7)

I forgot the spaces on the +

[dire frost]

but i personally would do that in cpp. math expression along with being unreadable they're also performance munchers

[proper flower]

yeah yours worked

how can I create it in cpp

actually I'm using blueprint

[dire frost]

just make a BlueprintFunctionLibrary class. and add a function that takes in a float a and return the result you want

there should be plenty of tutorials online for that. maybe there's one in the pins in #cpp

[proper flower]

your's also cursed 🙂

it automatically cast the unreal curse on the math expression xD

[dire frost]

jeez that is dreadful. yeah might be best to convert them to cpp 😅

[proper flower]

not now, I want just to make my first game

it will be a card game, so I don't think it would cost performance

thanks btw

[dire frost]

fair enough. good luck on your game! and your welcome!

[proper flower]

now I miss last thing

@dire frost , how's called the component/node that let retrieve only positive number?

[dire frost]

abs?

[proper flower]

this?

not working with my equation

I need to isolate only the absolute number

maybe the way it's calculated in unreal breaks it

I know it's a strange approach

this would be only 0

Oh I can try to set in the math expression every negative number to 0

[dire frost]

yeah...go for it man im rooting for ya

[mild pine]

How can this be done with a Timer? I.e I loop through this check until the Gameplay tag is true

[undone bluff]

set timer by event and for loop with break

oh wait sorry

I thought it was an array

just set a timer with looping set to true to check regularly

doesn't matter if function or event

super straightforward

[mild pine]

And then it checks if its true in the event driven by the timer and if true, cancels the timer, or am I off? Thanks for explaining! 🙂 @undone bluff

[undone bluff]

you'll have to clear or pause the timer manually using a node

but yea that's about it

[mild pine]

Gotcha, thanks!

Sounds a lot more reliant than a Delay loop

[proper flower]

@dire frost why isn't working?

isn't min recognized?

I tried even Min

but nothing

[dire frost]

idk i never used that node. i much prefer cpp

[proper flower]

I cannot find references for math expression

it's there but:..

strange

[feral marten]

is there any way to set up input actions in a dynamic way like this?

the new hold time threshold doesn't get recognized till next keypress

[gentle urchin]

You want max

Gotta think invertly

Assuming you want 0 as lower bound

[proper flower]

I want that an output number that is negative returns 0

-543 = 0

2 =2

I think min is suitable

[gentle urchin]

Nop

Max is the one

-2 is < 0

Min(0,-2) returns -2
Max(0, -2) returns 0

[proper flower]

ah ok thanks

[gentle urchin]

clamp is effectively Min(Max(InValue, MinValue), MaxValue)

[twilit jacinth]

What is the best way to create cards? I want to have not only armor and attack, but also special abilities, detection if the same card is touching the card etc. would it be best to use structure, data table with tags or make each card a certain class?

[faint pasture]

I would use structs with abilities and such also being structs

It's all just data

[gentle urchin]

All things struct

Its more flexible if the spells are actors tho isnt it

They cn be very custom, bring along 101 components and whatnot

[olive yarrow]

hey folks, i'm aiming to have my character change to another character blueprint on level change. while it does work, i get this error while trying to use my dialogue system
"StartDialogueWithDefaultParticipants - FAILED for Dialogue = deadlight, the system found multiple participants using the same name: BP_HoteldPersonCharacter_Child_C_UAID_F44EFC47C6EA65DC01_2046118262(Player), BP_ThirdPersonCharacter_C_0(Player)"

It appears it's reading both the character that loaded in and the character it changed to - which happens to be its child.
How can i offload the parent?

[stoic root]

How do you constantly call a function when a character is overlapping a collider? ie if the character is within a collider, we use a timer to loop through and call a function that constantly adds damage. Currently it seems i can only do this with Begin Overlap, which only does it once when entering.

[lunar sleet]

get overlapping actors on timer

[lunar sleet]

Destroy the first one?

[undone bluff]

set a reference instead if performance is a concern

[lunar sleet]

you'll then need to use endOverlap to stop it. doubt perf would become a concern with a timer unless hundreds of actors start overlapping simultaneously and they're not previously loaded

[olive yarrow]

It claims my target has nothing, though it's to the first blueprint 🤔

[lunar sleet]

maybe the player controller isn't spawned yet. Test using a 1s delay

[frosty heron]

when your level change, you get a new character anyway? There is nothing to change to as the old level and the actor is destroyed

to set default character to spawn, change it in the world setting per level basis

[uncut shale]

any good youtube tutorials on how to make a grid system for movement? tryign to make a SRPG, all im finding are peoples pre made games with grid systems

[frosty heron]

Never done anything like that but the movement logic should stay the same

after all you just need to feed location to the move node

So what I would do, I would start with the grid system first

and each grid would have a centre point

when you left click to move, it will look for the selected grid's centre point

and just use that coordinate to move to

[lunar sleet]

heh, that's smart 🙂

[frosty heron]

scrap that actually

if it's diagonal direction, the character just gonna go diagonally

no idea at this point unless diagonal move is allowed

[whole jay]

I was messing around with the camera inputs and it broke, I liked the original TPP camera where it would only move the character's yaw if the character was moving

I have no idae how to fix that lol

Like I want the camera to be able to freely move unless the character's moving

[lunar sleet]

prly control rotation settings. Compare it with a fresh TPP template

[whole jay]

The camera component has a setting called "Use pawn control rotation" but the only thing it does when I enable it is move the camera forward ?

[olive yarrow]

Figured it out, in the Level Blueprints I can override the player pawn for that specific map!

[lunar sleet]

aye that's what ColdSummer was saying #blueprint message

[olive yarrow]

Ehhh, he said words close that coulda been more descriptive but yeah!

[frosty heron]

Not level bp. The world setting of the level

Don't use level bp

[barren dove]

hey folks, question
widget A is a separate widget, containing box that contains a bunch of buttons
widget B is a common panel that will display stuff from the button presses

how would you do widget A "talking" to widget B? an event dispatcher?

[whole jay]

Random things that break and corrupt the blueprint and then it's randomly fixed once you remake the blueprint is the bane of my existence

[soft flax]

So I'm running into a problem with a Play Montage function. I've checked my montages and they all have the proper skeletons and skeletal meshes applied. There's no duplicates of either of the previous things. The function that contains the Play Montage runs as it should, and yet it doesn't play the montage I created?

This is the blueprint code for the event that plays the montage

the SK mesh is the skeletal mesh of the player character

and this is all in a blueprint component

I've tested with a Paragon asset and it works just fine with those montages so its possible there's an issue with the montage itself?

ok, I've found the problem, I had to add a default slot to the Animation Blueprint

[frosty heron]

Yup but also that do once doesn't really do anything

You pretty much reset it instantly

[frosty heron]

Event dispatcher or by getting instance of widget b in widget a. It's all about getting reference

[hexed inlet]

Quick question -- Why are the pins in the divide node filled with grey?

[slate hound]

cause it has wildcard potential

it means you can right-click it and change the type

the modulo nodes come in int, float, byte, int64... the divide node has special pins that can be set to all sorts of types

[hexed inlet]

Ah I see. ty

[languid swallow]

I need to raycast spline at runtime over curvy terrain. Possible?

[surreal peak]

Since that's not a lot of info. Sure, possible.

[languid swallow]

Any pointers on how to?
Let me know if I should specify something more about this question 😛 .
I might use that spline then for Niagara effect. Needs to be kinda square shape, and about 3-4 kilomteres in each direction I would say.

[surreal peak]

You could try to explain a bit more what you want to do in general. Tracing at runtime over curvy terrain. Does the spline actually exist at that point?

[frigid summit]

hi guys do you have any idea why the blackboard always returns unvalid after the execution animation finish

[timber basalt]

Hello , im doing a normal attack montage as you can see with the blueprint here but every time when it finished or stopped the animation pops to my idle (blend space) , i do have an animation to transition back to idle , how do i implement that montage after normal attack is finished or completed?

[spark steppe]

play it on completed?

or add a notify and jump to the section if it's within the same montage

[languid swallow]

I need to define PvP area. At border of that PvP area there should be sandstorm. So I am looking to see if spline would be a good idea to define that border.
Border needs to be over large area. A few kilometers. And terrain is very uneven. Thus why I would use a spline.
Spline does not exist. Can be made with BP, or can be premade, spawned, and then modified.
Shape of terrain is unknown - procedurally generated mesh terrain.

I tackled a bit with splines in BP, so I do not know whaat are all the options there. Its why I am asking so what is posible - to at least get an idea before wasting time 😛 . Thanks!

[spark steppe]

use a sphere, easy to check if someone is within the sphere compared to a spline

[real notch]

How do I create a custom function for the Ease node?

[frigid summit]

still not valid after two days of trying : (

[languid swallow]

Spline would be square kind of shape. For detection we can use box collision volume. Focus here is on effect.

There are two possibilities. Square PvP area and sphere PvP area. For sphere one it should be some tornado effect. That you can fight inside. So effect should mostly be around borders - but didnt find anything that works on marketplace (dont have time to make it all from scratch 😦 ) .

Border feels like it would be easier to make - visaul design.

[gentle urchin]

Square and sphere, both basic collision shapes.

[languid swallow]

Question about spline? 😛
I need to place long sandstorm wall on the map, on kilomteres long surface of curvy terrain (just not flat).

[gentle urchin]

Still not sure why it cant be regulsr sphere?

Or cylinder

Alligning a spline to the terrain is ofc possible just takes some math

Storing a bunch of points

[languid swallow]

How will I conform effect to ground with sphere or cylinder?

[gentle urchin]

You'll let it clip

[proper flower]

Guys I have a big problem with my game template : it's a 2 player game and have a server side and a client side, the problem is that the generation of card in play is different from player views, i want the same generation of card material for both player and cannot understand where to touch.

someone can suggest a tutorial or an approach?

[trim matrix]

Anyone knew what is this line?

[frosty heron]

Line trace

[trim matrix]

How to hide that trace?

[frosty heron]

Where ever you are doing the Line Trace, under the draw debug option. Choose none

[trim matrix]

Alright, thanks

The tutorial I watch set it in persistent but no Line Trace when being tested in play, I don't know why that happen to me

[frosty heron]

presistent means that the line trace will persist

forget about the tutorial

if u don't want to see it, just set it to not draw

[trim matrix]

I see, thanks again!

[proper flower]

I understood that the replication in some way failed, but cannot address the solution

[frosty heron]

@proper flower Multiplayer is not tutorial zone

[lucid egret]

Hey, ive currently got a problem where im using this blueprint to make my camera follow my cursor, the only problem being that when i try to rotate more than 360 degrees, it wont let me, how do i remove the limiter so i can rotate all around me without stopping?

[frosty heron]

as for your problem, the most logical thing to do is to obviously let the server determine the card generation

that's not client bussiness

only server should generate the cards / shuffle / etc. Tldr only server version matters

[proper flower]

thanks, but I already understood that, need to find the way to realize

thanks anyway

[frosty heron]

well your client seems to running the logic to generate the cards too in it's machine if you get different results

I don't have access to your project but I would guess that's what happend

think of this in a simple way. If you run a random node in each machine, you will get different random number on each machine.
So how to get the same random number accross the machine?
Let server run the get random int function. The result then can be replicated to clients

[proper flower]

I understood this

Simply forgot where to change settings about client and server

[gentle urchin]

should be enough with a server defined seed replicated, and client create the cards x)

[silent stag]

how can i show ms in game ?

[frosty heron]

what ms?

profiling? Ping?

[silent stag]

ping

[frosty heron]

from player state I think there is a node you can use

get ping in ms

[silent stag]

thank you so much

[frosty heron]

I never used it my self tho, not that far in yet. Let me know if that works

[silent stag]

there are two types of node

first one is working - get ping in mulliseconds

But i am not sure which one i should use for dedicated server

[frosty heron]

The bottom one requires you to plug Blueprint Session result

btw pretty sure this node only work for connected players

getting ping in Server browser is something I can't accomplish yet

[spice viper]

The 2nd is if you want to see the ping of network sessions. Use case is likely a lobby browser.

First is for player state so a particular player. What's your use case?

[frosty heron]

Ye but not gonna work for steam session afaik, I could be wrong

[silent stag]

particular player on dedicated server

[spice viper]

I believe every player has a replicatied copy of every other players player state. Server does too. So you can make a list of players and their ping

[silent stag]

do you mean like that ?

[frosty heron]

Server have everyone's player state and controller

[spice viper]

That image doesn't show ping, and a delay node alone is probably not going to gaurentee net id gets set. But the idea of using that for a save file name per player per player state will likely work

[frosty heron]

so get the controller of a target player -> get Player state -> get ping in ms

[silent stag]

yes player controller should work on that

[frosty heron]

Ye I mean, that;s literary how to get a player's ping

You can probably just do it in game mode. Run a timer

[spice viper]

I show pings of fellow players in my games lobby. I'm sure I did this the same way (using player state).

Clients don't get other players controller, but the server does

[frosty heron]

Get everyone Player state and just do ping regullary

[spice viper]

Yeah create a timer event maybe every 2-5s to update ping. Not event tick

[frosty heron]

@spice viper Are you using dedicated server?

[silent stag]

this is how it's work on server lobby

[frosty heron]

I'm scared to go to that route because of skill issue. Just wondering how hard it is to create a dedicated server and auto join your own game

[frosty heron]

Don't think that works for steam

[silent stag]

it is

[frosty heron]

I mean ping to who tho?

[silent stag]

i tested this before

[frosty heron]

U can't check ping to unconnected player with bp afaik

[spice viper]

No, listen server where lobby host is a client and their own server which other clients connect

[frosty heron]

ahh yeah, I'm using listen server too

would love to transition to dedicated server tho. It helps with some listen server issues

[spice viper]

If that's a UMG event property binding that's same as a tick. Inefficient but likely functional

[frosty heron]

@silent stag What I'm trying to do is to have a player in server browser and get a ping between the player and all of the servers

last time I asked exi, he mentioned that I hvae to use the steam api

[silent stag]

i tested this on 2 different servers

and it works

[frosty heron]

k, i will look around more

[spice viper]

So you have a list of sessions then? Can loop and get ping of each session, create list of entries and pass the ping directly or the whole session object. Let the child widget handle it (like your image)

[frosty heron]

I had something like that but afaik it returns 0

gonna test again later. I had to upload the entire build to steam to check

http://www.aclockworkberry.com/ping-9999-issue-on-unreal-engine-steam-session-results/

this is my problem pretty much

I am suprised that u guys got it working

actually they have sample codes, I might work with that

[olive yarrow]

world settings won't stay seperate per level for me

[lofty rapids]

i spent 5 hours trying to fix a shpping build problem with widgets

s.o.b. thats intense trying to debug shipping

i had an issue where the cast to my hud worked, but the ui wasn't updating, i had to put the update in the hud itself

are things not loaded consistently ?

[frosty heron]

Some people claimed to have things working in editor but not shipping

never occured to me so I have no idea

do a print string and make sure the update is called

[lofty rapids]

the cast didn't fail, just when i tried set text it didn't work, like it had not been added to viewport yet

but cast succeeded

i fixed it, but it's a strange way it operates

[spice viper]

Your white execution is happening right after event binding. That's why it's zero. Disconnect that. The white execution should come from the join button action click event

[frosty heron]

the binding is done for when a button is clicked

I read the articles again with the 99999 ping issue, so steam doesn't actually implement ping

we actually have to create our own socket and send the packet our self

fffff too technical for me, Im gonna leave it for last

[spice viper]

I can check my own project tonight, I didn't have to do any of that to get player pings

[frosty heron]

but Im not getting player pings >_> that's totally fine

those are connected players

I am trying to get ping when I am browsing servers

so my ping relative to the steam session that is found

[spice viper]

Yeah that's what I mean

[trim matrix]

I tried to make a 3D Widget Interaction Prompt but the widget didn't showed up when I approach. Can anyone help me?

[lofty rapids]

is the cast succeeding ?

i never used a 3d widget

[trim matrix]

I kinda follow tutorial and new, so I don't know much about UE term, sorry and I followed the tutorial correctly

[lofty rapids]

it should be succeeding

but you see where you cast ? theres two exec comming out, one is for success one is for fail

put a print string on those and see if it fails, it should be succeeding if you just have one character

[trim matrix]

The tutorial vid is like this

[frosty heron]

Try not to copy paste tutorial and understand what each node does

[uneven roost]

for a project involving excel files, can you link a cell to something like a specific block of text from a google or word doc? i want to be able to able to edit values for an event generator in a more friendly format than manually editing it in excel or unreal- it would also be better for the less tehnical people on my dev team to be able to just update values through google docs or something

[thin panther]

How is this related to blueprints?

[frosty heron]

What do data table support these days?

CSV and JSON?

[thin panther]

Yeah

But this is an excel question

Completely outside of unreal :D

[trim matrix]

Well, I'll try but I also want to know first how it work by following tutorial. I'm the type that will learn it again after seeing the sample work and then messing with it

[uneven roost]

well then what channel should i ask

[thin panther]

None of them

It's not even unreal related

[uneven roost]

this is for an unreal project, so

[thin panther]

You're probably looking for a community around excel, or a forum related to it

[silent stag]

Can i implement client side prediction in blueprint

[thin panther]

You dont

That's a C++ thing

[frosty heron]

I would totally only work on card game / turn based game for a bp only multiplayer project

doing fps, rpg, etc is kinda insane without the right tool

[frosty heron]

simple one is possible tho right?

setting a variable locally before server rpc is already client prediction imo

[thin panther]

Not really. You need speed for things like thatx and blueprint just doesn't have it

If you're making multiplayer C++ is really non optional if you want a good experience.

If you're at the level of needing custom predictions, versus something that just uses GAS and the CMC for example, you probably want to hire a network engineer too

[random pulsar]

I want to create this sensing effect like in Witcher 3,someone told me i need a post process material attached to camera ,but how exactly i need to make this?

[carmine palm]

Calling this on my mesh object that has two sockets along the blade which is in a loop, but for some reason (this is during an animation call) the location isn't updating lol

[balmy geode]

How to make that doors open after collecting x things?

[lofty rapids]

maybe a variable on the door, that is an int with the amount of things you need to be opened

[lofty rapids]

several things, or just one type of thing ?

[thin panther]

keep a count when you collect a thing.
then you collect X things, call open on the door

or broadcast a dispatcher

or call an interface

or get a reference to the door and call open on it

[frigid summit]

hi can you help me with this i have bool in blackboard if i change it to true all enimes can attack if i specfiy group id 0 to attack the 0 attack the proplem is upon death event the change is not possible for the group id 1 so the group 1 cant attack

[lofty rapids]

i'm not sure i'm getting what your saying, you have a bool, but on death you can't change that bool ?

or how are you specifying and why can't you set it ?

[frigid summit]

basically this btw on animation finished stands for on death animation finished

and imade sure the blackboard is valid

[lofty rapids]

so your just setting attack to true upon death ?

whats not working about it ?

[tired tartan]

How do I make get overlapping thousands of actors not drop my fps?

[frigid summit]

group 1 or any group else dont attack me

[lofty rapids]

so you set group 0, and ran attack ?

then upon death you just set attack bool to true

but you never check and set group

so if group 0 is dead maybe they can't attack

how are you setting the group ?

[frigid summit]

ok ill show you

[lofty rapids]

to start i would be using c++

you'll find that big loops are a lot faster in c

[tired tartan]

ok, and is there a way to convert the blueprint nodes to code?

[frigid summit]

start attack works but attack doesnt

it works only for group 0

[lofty rapids]

basically c++ as a node @tired tartan

i know very little of it, just started messing around but the performance is amazing with loops

[tired tartan]

ok I'll try

[lofty rapids]

but probably a function where you pass the actor

then you can try to get overlapping actors in the function itself

and output the data, should be faster

[tired tartan]

I have a array variable that sets the array of objects that are overlapped

so I could create the get objects in c++ and then a blueprint node of for each loop that gets that array that was set in c++

[lofty rapids]

so you want to get overlapping actors and the problem is theres too many overlapping ?

or the problem is using the array ?

wherever you loop a large amount of times over something and do some actions

that can put in c

[tired tartan]

the problem is that a lot of objects overlapping a large actor can destroy my performance, this blueprint gets all of the objects that are overlapped and adds into a array variable in the blueprint, then another blueprint goes through each object of the array and adds a force to it, that part is cheap in peformace

the left one is like a function

[lofty rapids]

if the array is large i would worry about any loops like that

[lofty rapids]

a major performance hit is you didn't cache the overlapping actors

before you loop

[tired tartan]

oh, really

[lofty rapids]

every time that foreach goes through it has to re get overlapping actors because it's pure

if you cache them before and plug that into the foreach

it will be faster but still with so many i would use c

[tired tartan]

ok, so how do I cache them?

[lofty rapids]

i would cache both pure node

but start with the overlapping actors one

just promote it to variable

if you can

and use the variable

so it doesn't keep getting overlapping actors

get the overlapping actors, set a variable, use that variable for the foreach

https://www.youtube.com/watch?v=V707r4bkJOY

i was having the same problem iterating through an array around 1000 it gets tough and bp will crap out eventually

had to move the loop to c++ and it's a huge difference

[gentle urchin]

A 1000 shouldnt be that hard by pure iteratiomn

Surely some context to what was being done 1000 times helps^^

[kind willow]

Is there a way to "extend" line trace? If I fire a trace at the actor, can the actor take the direction of that trace and create a new trace leading in the same direction? I'm trying to spawn a blood splatter where the bullet existed the body and need to create a trace for static mesh

[lofty rapids]

i was generating string with random values

[gentle urchin]

Cant you use the data from the initial trace?

[kind willow]

If I knew how to, I would :p

[gentle urchin]

But sure, a trace in the same direvtion is no prob.

[kind willow]

The only way I know how to get a direction of something is get foorward vector

[gentle urchin]

Get the start and wnd location of the first trace

[kind willow]

which doesn't seem to work with any trace vectors

[gentle urchin]

Do a "Get Unit Direction"

[lofty rapids]

couldn't you just reverse it ?

[gentle urchin]

Multiply the result by how muxh furtjer you wamt it to go

[frigid summit]

i even printed statment to show its group 1 but group 1 still dont attack : (

[gentle urchin]

Forward vector is a normalized vector

While trace start deals in world space

So a typical trace would be:

TraceStart = GetActorLocation()
TraceEnd = TraceStart + (GetActorForwardVector()*someDistance)

[kind willow]

Okay, I'll try that. Thanks

[lofty rapids]

i would just reverse it

should get the exit point

idk what your gonna hit from inside ? the outside ?

[gentle urchin]

I should start reating the entire thing 😄

But reversing only works if the trace went from inside to the outside

[lofty rapids]

i mean if you want the exit point that would hit you on the exit point i would imagine

if you reversed it

[gentle urchin]

If initial trace went through, yes

[carmine palm]

Can anyone give assistance? Calling animation which swings sword right. Calling get Weapon mesh and get world location on it during the montage playing and the world location is not updating for some reason

not on mesh. on the object lol

[kind willow]

This diagram shows what I want to achieve hopefully

I want to get the green line direction using the red line

[carmine palm]

Impact point forward vector yea?

[kind willow]

yup

[carmine palm]

Cant you just do that..

[frigid summit]

isnt the blood splatter a niagra or emitter

[carmine palm]

from out hit -> Impact point -> forward vector

[kind willow]

a decal

[kind willow]

no

[carmine palm]

I just did it

get forward vector lol

I have it on array but same same

And set niagara to be beam I think

so it follows your new line trace

after you shoot another one from forward vector

or shoot multiple

in a random "spatter"

[kind willow]

Why are people talking about particles? It's a decal

Should I be using particles for that?

[carmine palm]

is this 3d or 2d lol

[kind willow]

2d. It's a blood splatter on a wall

[carmine palm]

oh

[kind willow]

I need the trace to make sure there's a wall to put the decal on

[carmine palm]

yea

so first trace is enemy

then from hit location do forward vector like I just showed you

and then line trace from there

and on impact again

apply decal

[tired tartan]

is there a cheaper way to get thousands of object in a world without destroying my peformance

[lofty rapids]

all on the screen at once ?

[tired tartan]

I guess

[kind willow]

LODs are the only thing I can think of

[tired tartan]

I like talking about getting them in a array

like get all actors of class

[kind willow]

oh, get in that way

then I can't think of anything, sorry

[tired tartan]

oh

[kind willow]

What do you want to do witgh that array? Maybe there's a workaround?

[tired tartan]

to add a force to them

[kind willow]

Thousand of objects, all symulating physics at the same tiime? I don't think there's a cheap way of achieving this...

[tired tartan]

oh

[kind willow]

Can't get it to work at all 🤷‍♂️
The forward vector rotation doesn't even give me the actual direction, just values between 38 and 42

[carmine palm]

Oh might be relative location and not world location

do line trace from actor world location + that location

[kind willow]

wait, wouldn't impact normal be the reverse direction of the impact?

[carmine palm]

I lied

sec

probably

I dont have any ranged, etc

off but wit my sword

does it for line trace length

direction

Start is normal

Trace End

@kind willow

[kind willow]

I see, but honestly have no idea what that means. I already started working on the issue on my own

[carmine palm]

will do another line trace from impact to original traces end point

[gentle urchin]

Just do another trace from start

And ignore the hit actors that are pawns

[kind willow]

But I need the trace to go from the hit pawn...

[gentle urchin]

While trace.hit == pawn ...

[gentle urchin]

You dont tho

Unless you have some solid redirection inside the pawn due to intestants resistance and whatnot

So for all intents and purposes in your casez going straight is ok

[lofty rapids]

you could just take the point, and make a trace with an extended endpoint since it's the same direction

[gentle urchin]

As your paint drawing shows

[kind willow]

if you told me to ignore the pawn in my trace, hoiw will I get the distance between the pawn and the wall?

[lofty rapids]

maybe extend the endpoint and start from the impact

[kind willow]

yes, that's what I'm trying to figure out. Get the hit point and extend from it further

[lofty rapids]

how do you calculate the endpoint of the first one ?

do the same thing

[lofty rapids]

i'm saying you should be able to use the impact point, and the end point

as long as your endpoint is extended out long enough

or you can extend it depending on how you calculate it

[carmine palm]

I just told you

trcae end

lol

on the one that hits pawn

is the original trace where it extensd to

extends to after hit

[lofty rapids]

as long as you have it going out straight you should be able just use the impact point, and trace end

as start, end

[carmine palm]

Look at my pic above. said that 😛

[gentle urchin]

Wont you hit inside the hit pawn?

So youd need to do a third, once exit location is found

[remote meteor]

i meaan
TraceStart = Impact Point
TraceEnd = ImpackPoint + ((ImpactNormal * -1) * <Distance you want to trace>)

[gentle urchin]

So the already hit pawn does the second trace?

[carmine palm]

Literally this

left is pawn hit

right is line trace from pawn hit

[gentle urchin]

Impact normal cant be start

[barren dove]

man im getting real frustrated with this widget designer nonsense

[carmine palm]

How can't it?/

[gentle urchin]

Its a normalized direction vector

Not a world space vector ?

[carmine palm]

I mean I just used it but okay lol. Use impact point then

[gentle urchin]

Should'vee basically traced from world 0 then

[carmine palm]

No

It didnt

traced from sword

[gentle urchin]

Thats weird

why would a normal not be normalized

[carmine palm]

¯_(ツ)_/¯

looks good to me

[gentle urchin]

Impact point does

normal doesnt

[carmine palm]

How?

[gentle urchin]

As i said, it's normalized

[carmine palm]

oh

I see top left

lmao

[gentle urchin]

x)

[carmine palm]

I mean thats fine then

I didnt click

just looked at line trace

regardless

There you go

[gentle urchin]

next trace will land inside the mesh tho

[lofty rapids]

maybe set it to ignore

add it to ignore actors

but i think getting the exit point would be more accurate

[gentle urchin]

actually, it hits the same spot even xd

Gotta offset it by some amount

Or add the hit actor to ignore^

So we're gonna need atleast 3 traces 😅

2 extra per hit pawn

[remote meteor]

beep

[gentle urchin]

Didnt work 😅

For some reason

I did impactPoint - ImpactNormal

And it seem to fail

Unless i forgot a silly thing

it should work

[remote meteor]

you need to multiply by the distance

on the normal

[gentle urchin]

Yepp

I forgot that secondary distance i believe

Made the float ready, just lacked the number 😅

[copper tree]

Replication question: I'm trying to make BP_Character able to shoot and destroy BP_NPC. When the Character calls the Request Destroy Actor event in the gamemode, it doesn't do anything - not even print debug. So I assume the request to execute that event is just getting dropped for some reason, but I don't understand why. Any ideas?

I can post my code but this is more of an architectural question than a code help question.

[gentle urchin]

Clients dont have gamemodes

Gamemode is server only

So from a clients perspective, gamemode doesnt exist

You gotta reach the server through a replicated actor

Usually the pawn or pc

[acoustic lance]

Dumb question. How do I get this to loop again once it's gotten to its target location?

[copper tree]

That explains a ton. Okay, I will go that route. Thanks

[acoustic lance]

This picks a random location within a bounding box, moves a pawn to the location while using pathtracing to avoid obstacles, and moves them. I want it to pick a new location after it's done and proceed to move again.

Thanks in advanced for any assistance.

[gentle urchin]

You probably have some dispatcher you can bind to

For when movement is "done"

Or when the pickup action is done

Youd also replace beginplay with a custom event

And call that from beginplay

[foggy saffron]

Hey guys, nice to join the party 👋 I'm pretty new to UE, slowly handling the basics... Do you have potentially a go-to tutorial that would explain basics of blueprints well?
I'm currently experimenting with Meta's hand tracking showcase/demo project so I could make a VR escape room, and especially wondering how to make something like "put bricks here in right order and you get a key". I'd like the bricks to have this glowy area where to put them and the area would change color when brick is positioned close, and when player releases the brick, it aligns itself on right spot. 🤔 I generally understand the principles - something something when brick overlaps, droparea needs a collision box, if overlap true, change color. Just don't know what else I need 😂

[acoustic lance]

Trying that out. Trying to set up a condition that if it's less (closer) than whatever the threshold I set is, to call the custom event again, otherwise continue. That....doesn't work. I know I'm probably missing something simple./

[nova ledge]

Can you guys help me my widgets is not ticking, it is set on visible and im just creating it as separate widget from hud

but dont know why nothing is happening

[lunar sleet]

Lost me at Meta, and I read droparea as diarrhea for a sec there lol. Prly start with the “your first hour in Unreal” course if you want to learn the basics.

As for what you’re trying to do it’s not super complex but you need to understand the basics first. I’d recommend the bp comms live training at the bottom of the pins here (2nd to last)

[acoustic lance]

This seems to work for now. Doing a check w/ event ticks.

[foggy saffron]

Haha lol yea should do a game with diarrhea area too, always troubled about the constipation of adventurers :D And Meta referring to the compaty that makes the Oculus VR glasses nowadays, they have available for developers a template/showcase project for UE with some ready-made interactions with hand tracking.

But thanks, will check the pinned link!

[lunar sleet]

Yeah, ik just not a fan of the Zuck but I get it

[foggy saffron]

Yeah me neither... But the Quest 3 glasses are really something, and the cheaper version is the scale that I believe is going to get more consumers interested.

[gentle urchin]

tick is checked every frame

as i said, you likely have some event that triggers when you've reached a destination

[acoustic lance]

I'll check the algorithm and see if I can find it

[marsh pond]

Hey guys, i have a character blueprint where hundreds of nodes placed in one graph, including tick and various input nodes which should be light up with red color while debugging every frame. But because of amount of it Unreal struggling to light up other used connections and i can't do such visual debugging. Is there any option to fix it without reducing amount of nodes in graph by making macroses, functions, collapses or other graphs? It feels like some limit put in place there, but i have no idea where to start search.

[frigid summit]

hi can anyone plz help

[subtle pollen]

where i can find blueprint dependencies ?

[undone bluff]

reference viewer

[subtle pollen]

thanks

[noble ledge]

Is it possible to optimize debugging? UE is always freezing when debugging blueprints

[valid oyster]

does anyone know potentially why my cast fails for my environmental manager blueprint? I'm trying to access the components and change their values

i needed to cast to my character to detect the overlap so that's good

but casting afterwards to the environmental manager BP doesn't work at all

[subtle pollen]

sorry to bother again, but how i can edit the dependencies ? to correct the location of the asset

[undone bluff]

Not sure how to interpret that

[subtle pollen]

okay i have blueprint of door frame, which is using wrong location on the static mesh, because i changed the folder name just to walls but didnt update in the dependcies of the blueprint

[undone bluff]

Did you rename the folder in the editor?

[subtle pollen]

yes

[undone bluff]

Ah so it's probably just pointing to a redirector

I think they're hidden by default

[subtle pollen]

im thinking to re import the mesh, would that fix it ?

[undone bluff]

Is there no redirector?

[subtle pollen]

what is that 😅

[undone bluff]

check if it's there, if so right click > fix up

[valid oyster]

i'm guessing that the event is still somehow checking if the environmental manager is overlapping a trigger box ? so it will always fail?

[undone bluff]

oh actually

when you renamed the folder

did it keep one with the old name around?

[subtle pollen]

no

[subtle pollen]

i enable the show redirectors but doesnt show anything in the mesh folder

[undone bluff]

realistically you could just open wherever you used the static mesh and reselect it

but that is pretty odd, unreal usually handles these things alright

[subtle pollen]

i re add it in the blueprint but still is using the old folder name

[undone bluff]

ah restart the editor maybe

[agile loom]

Hey all!

I'm attempting to use VaRest to get some JSON data, however the callback event just never fires no matter what I try... anyone have any ideas what's going on here?

[subtle pollen]

restarting but if that doesnt work would reimport work ?

[undone bluff]

can't say, don't know what the issue is

[subtle pollen]

i showed in the picture, in the blueprint im adding the mesh instance from that rename Walls folder but for some reason is showing the old name Walls_and_Floors

the restart i think worked

[valid oyster]

any Ideas Scaith?

[undone bluff]

"other actor" is empty

[valid oyster]

okay that worked

appreciate it

didn't realise it actually needed something

[undone bluff]

a cast is something performed on an instance

it's a type check, that if it succeeds, lets you safely act as if the reference is of the type you checked for

[subtle pollen]

@undone bluff thank you for pointing me to redirectors

[valid oyster]

Thanks again, now I have the communication I need

now instead of having the logic in the trigger box BP

I can make functions in the main environmental manager, and just call them from the triggerbox

right

[undone bluff]

yep

[valid oyster]

(would you do it that way?)

[undone bluff]

I just have presets in the form of data assets containing what I want to set my variables in the manager to, the trigger tells the manager what preset to use and the manager sets its variables to the values from the data asset

[valid oyster]

ahh i see that's straightforward to follow now

I am not sure if I will use presets

actually thinking about it, presets are a good idea eh

since i wouldn't need to have multiple triggerbox classes that way

[golden kite]

there's also the "Fix Redirectors" command. I use it (superstitiously) after any rename or move

[shadow jetty]

Hi, I tried implementing a function from a c++ interface into blueprint, but I somehow get a crash when I try to playtest through the editor. When I reboot UE after the crash, I get this error on the function node called Interact: Function 'Interact' called from Interact should not be called from a Blueprint. The function, however, is BlueprintCallable and BlueprintNativeEvent. Furthermore, I implemented the interface in blueprints. I also have an Interact_Implementation and Execute_Interact in c++ if that matters. These do fine without any issues.

The weird thing is that when I live code, the error goes away and I can compile the blueprint normally. The function also returns (I wasn't able to make a node from it after the crash). Does anybody have a clue what might cause this?

The crash error is this btw: Cast of Object /Script/CoreUObject.Default__Object to Actor failed

Edit: Fixed it by making an exact replica of the blueprint (??)

[gusty shuttle]

Quick question, if I use Set View Target with Blend, when I set New Target to Player Character, my rotation gets locked after about 30 degrees both ways. How do I fix this? First Person

[hushed berry]

Hello. I have a question does "for each enum" not work with function library? I have the same setup and the localized one outputs properly 10 entries but the one from the function library outputs only the first entry. As for the purpose of this. I'm just learning no big goal behind this system.

[stoic root]

The following returns a value of 419 for the length of the spline path, however i can see this is visually around 45% of the actual path length, any obvious ideas why it might not be returning the complete path length? https://blueprintue.com/blueprint/pqq0m2lq/

[swift steppe]

I keep getting a failed to cast message is there another way to get the information across?

[lofty rapids]

well your foreach and returning on the first loop you probably want to keep adding and return on completed

[hushed berry]

Damn. Such a stupid mistake that I'm even ashamed to respond :D. Thank for pointing it out 😄

[lofty rapids]

what is your weapon variable ?

If it's failing to cast maybe it's not a parent of those bp

is it just an actor, or it might actually tell you it would it fail if that was the case

it's not the type of variable i'm guessing

[swift steppe]

It is a parent of those but I just found a work around using get actor of class as well as removing some other blocks

[lofty rapids]

ya get actor of class works too as long theres only one

if the cast failed then it failed, it's not the right class

[swift steppe]

huh, It only works if there is an actor in the map though, I want the player to just spawn it themselves

[lofty rapids]

so when they spawn you can't set that variable ?

is that variable just an actor ?

[swift steppe]

yeah its an actor

should it be something else

[lofty rapids]

you should be able to set it to that variable when you spawn it

actor should be fine

the cast should succeed if it's the right class

[swift steppe]

Even if I do get that to work I dont think the needing the actor in the world will be solved, I thinks that part is coming from somewhere else

[lofty rapids]

i mean you need something to cast to

you want to get it before it's spawned ?

[swift steppe]

when I press the keyboard event it takes one of the actors of the weapon from the world and attaches it to the player, instead of that I want the event to generate the weapon itself

[lofty rapids]

so you want to spawn actor ?

you can check if the reference is valid, and if it's empty spawn the new one

[swift steppe]

I think the problem is in here

I can try that

[lofty rapids]

when you push the button you want the new weapon to spawn ? or to change the current weapon ?

[lofty rapids]

what is this supposed to do when you press the keys

[swift steppe]

change the weapon

[lofty rapids]

ok so you should probably call that event "ChangeWeapon"

when you press the key call that event and pass the class, then use currentweapon reference or whatever you need

[swift steppe]

Im goin to test hide actor instead of destroy and see if that works

[lofty rapids]

it should work fine, it's just your not actually using it

[lofty rapids]

just call change weapon here and pass the class, then use current weapon reference to access it

[swift steppe]

Oh that worked! Thank you so much, ive been on this problem for a few days now lol

[lofty rapids]

don't hide it

you want to destroy it so you don't have a bunch of them around

if you hide it, then you'd be spawning them and the old ones would still be loaded

[swift steppe]

yeah i put the destroy back in

[valid oyster]

Does anyone know how to read a data asset the right way?
I have a BP_DA_Environment which has components, and then a Trigger Box Blueprint that has a reference to a data asset that has all the information that the components of BP_DA_Environment needs to change light intensity etc
I also have a DA_DefaultEnvironment (I will use different DAs for different environments)
I want to read all of the value of the DA_DefaultEnvironment and set values in my BP_DA_Envrionment based on what the DA_DefaultEnvironment.. etc has

[deep void]

Hi Y'all!
I'm looking for some guidance on how I can pass a BP text variable to a user interface widget.

For context, I simply want to be able to display on the screen what room the character is in. I have made a BP actor with a text variable (location text), and placed it in each room.

I've looked at the documentation and watched YT tutorials, so far this is all i can get to work, and i cant help but feel it is wrong, even though it works, i want to learn how to do things the right way.

Current process is casting to character > storing its room text in a character variable > then the UI cast to character and sets the on screen text to the character variable.

I feel I'm jumping across BPs more than necessary, but I cant seem to send the information from the BP actor to the UI.
I've read that casting may not be necessary, and creating a ref to the UI will suffice, however once i have created the UI ref, I cant seem to access its information in the actor BP.

Any help is appreciated if someone knows how to do this, I've been struggling for a while now 🥲

[lofty rapids]

so i usually update the data when needed instead of on tick

where did you create your widget ? you should be able to get a reference to it

[deep void]

most definitely, tick is probably the most taxing way, but its all i could get in the UI.
Ideally I only want it to send this info once, when the player overlaps with the room.

[deep void]

thanks for the responce.
I've created a hud class and referenced it there

[lofty rapids]

i would put it in the hud

[prime grove]

can blueprints do exactly what c++ does?

[lofty rapids]

do you have a HUD ?

[lofty rapids]

definately not

but it does most of it

[prime grove]

ok

[lofty rapids]

i'm guessing this is in your character ?

[deep void]

noo this is in a hud BP

[lofty rapids]

ok perfect

so get player controller, get hud, cast to your hud

then get main uiref

out of the hud

make sure you text box is check as is variable

out of uiref, get the text box name

then do set text out of that

[deep void]

thanks heaps, but this is were I'm having trouble.
How do i get from HUD to MainUIref?
(I can only place the ref if i untick context sensative)

[lofty rapids]

what does that note say ?

[deep void]

already hud

[lofty rapids]

you probably want to cast to your hud, what is the one in the world settings named ?

the class

[deep void]

I'm an idiot, that's not my hud class

[tough badge]

Dunno if this is the right place for this, but does anyone know what this means? DrawFrustumComponent ... DrawFrustumComponent_0 NOT Supported.

[valid oyster]

sorry for the image spam there, it's hard to explain what i'm doing otherwise, I have a Blueprint of class Primary Data Asset, I then added my variables, and created an actual data asset based on it, in my trigger box i have a reference to this data asset, and in my environmental manager I have the actual components I want to affect, how am I able to read the Data Asset's Values?

[deep void]

it wont let me?
I've got the variable set to public, i cant seem to reach variables in myHUD or my UI

[lofty rapids]

because your trying to use the reference to the widget

you missed a step

where you getout of the ui ref the text on the widget

then drag out of that and do set text

honestly i usually make these into functions

ChangeRoomText or something

[deep void]

sorry could you elaborate on this a bit if you don't mind.
When i pull out of Main Ui REF, i have no options to set text or access my variable?

[lofty rapids]

you should be able to say GET VariableName

show where you set it as variable in the widget

[deep void]

okay, this is my UI widget.

The onscreentext is the canvas textbox i set to a variable. Since I cant make that public I've just made another variable UI Text, once i can access that i can link them up.

wait, should they be in myHUD instead of myUI?

[lofty rapids]

so when you click on that at the top right of the screen somewhat in details

[lofty rapids]

no thats where they need to be in your widget

[lofty rapids]

in the details at the top where it says is variable

next to the name of it

[lofty rapids]

what is this variable ?

is it bind to a thing on the widget ?

[deep void]

its a text box ive placed on the ui

[lofty rapids]

ok it says is variable

[lofty rapids]

so GET On Screen Text

out of the ui ref

and normally you don't use spaces in variable names

[deep void]

onyl works out of context, and requires a target, which doesnt work as main UI ref

[deep void]

copy that, thank you 🙂

[lofty rapids]

thats weird if you drag out of the cast get the ref, drag out of the ref you should be able to get your variable

[lofty rapids]

see here where you hovered over it it says private ?

click the eye

[deep void]

that's how i thought it should work 😭

[lofty rapids]

for some reason it still showed private, which you can change by clicking the eye next to it

[deep void]

doesn't work, just get that message on hover.
That's why I made the UI Text variable and set it to public, but i cant seem to access that via the reference either

[lofty rapids]

your saying clicking the eye to open it and make it public doesn't do anything ?

idk why that would happen

thats usually how it works

[deep void]

correct, I believe its something to do with it being a text box turned variable

[lofty rapids]

usually you just click is variable

compile save

and it's there you can get it

[deep void]

its weird, but that public issue asside.
I do have the UI Text variable set to public, i seem to have the same issue trying to connect to that, needs a target?

[lofty rapids]

the target should be the ui ref

as long as they are on that widget

you should have access to them

[deep void]

yeah its on the UI widget

[lofty rapids]

well you should be dragging out from the others

[deep void]

is there an issue with the UI ref in the HUD class?
This is set to a user widget object reference

[valid oyster]

okay I managed to get most of the communication working well

[deep void]

others?

[valid oyster]

i'm able to get the data asset object in the BP I need it in

but how do I get the actual variables from my Data Asset?

not just the value of the actual asset(its name)

[lofty rapids]

when you set the reference use promote to variable it will make it the type it needs to be

[lofty rapids]

i mean you should drag out from the class get the ref, drag out from that get the text box

if that doesn't working something weird about the reference you can't get the variables

it's usually fairly straight forward

[deep void]

damn.
I tried promote to variable and used that ref instead.
Same issue, cant get anything out of the main ui ref.

[lofty rapids]

interesting

try to drag another text onto the widget, check is variable see if you can get that

if not idk what it could be

if none are working somethings weird about the reference

but i'm not experienced enough to know what could be happening could even be a bug of some kind

[deep void]

it seems like it was. When we looked at promoting to variable to get the correct type for the ref, i did it from the set (2), but promoting from the create widget (1) seemed to do the trick

[deep void]

It seems like maybe a cast to character isnt necessasry now, but im not sure how else to link into other actor on overlap.

Other than that, this works perfectly, thank you so much for your time and patience, it's really appreciated 👑

[unkempt plover]

Hi!

How can I reference a Landscape Spline to be followed by an actor?
I have this cube following a spline but I can't figure out how to reference the spline from the landscape
https://youtu.be/kkvXNafWxHo

Thank you! 🙏

[dawn gazelle]

The cast is necessary to check whether the actor overlapping is of the type "MyCharacter" - this prevents the rest of the logic from executing unless it's a MyCharacter that did the overlap.

[deep void]

makes sense, just wasn't sure if there was a way to check that without a cast.
Thank you 🙂

[willow cedar]

Is there a way to Attach the End Point of a Cable Component to a Line Trace Hit Result Location, and Attach the End Point to the Component as well?

[lunar sleet]

I don't understand. you want to attach the end of a cable to the cable?

[willow cedar]

I'm trying to set the Location of the End Point of a Cable to a Hit Location from Line Trace. The issue is, I also need to make sure the End Point is Attaching itself ot the Hit Actor, so the Cable stays in the same spot when I move

When I Attach to an Actor, it goes to the World Location of the Actor, and the End Point Location is based on what the Cable is Attached to

Meaning, the Line Trace Location isn't going to work for where I hit

[lunar sleet]

did you change the location rules?

[willow cedar]

Not that node.

I just got it working

I had to take the Component Location of the Hit actor and Inverse Transform Location using the Hit Component World Transform as the T input, and the Hit Point from the Line Trace as the Location

World Space, Local Space issue

[lunar sleet]

yeah inverse xform is neat

[willow cedar]

My hack beforehand was just setting the Cable Location and Attaching it to an Actor, meaning the End was on me, and the start was on where I was Grappling lol

[valid oyster]

so does no one really know how to read from a data asset?

[valid oyster]

okay, I've got it

Note for future: Primary data asset should never be referenced, only the class you make from the primary data asset..

[undone bluff]

yea the primary one is just your template

[lyric rapids]

remove from parent is taking my widget off the viewport and idk why

[valid oyster]

finally, it's all working perfectly

now I actually have an environmental system 😎

Thanks Scaith for the guidance 🙂

[trim matrix]

Can anyone tell me how to hide/disable this? The one with "Click/Shift + F1 for mouse cursor"

[desert juniper]

just search for "mouse" and disable the mouse control label in editor settings

[trim matrix]

Oooh, thanks!

[dim halo]

Could you, hypothetically, use a static mesh for your character and then animate a skeletal mesh version into the still position you want your character to hold, create a static mesh and update your character, assuming your character would not have dynamic movements? Or do I misunderstand static vs skeletal meshs?

[desert juniper]

you can do so, but it is cheaper in terms to disk space to just have a skeletal mesh, and just export the animation / pose, instead of the entire mesh

[dim halo]

ok thank you very much

I assumed it would be really unnecessarily difficult but I was just kinda curious

[desert juniper]

to just replace static meshes?
It's less overall work, so if you are just trying to do something quick, you can just do that

skeletal meshes are preffered, but it is more setup

[dim halo]

Ok, noted. I've been having a little bit of trouble learning skeletal meshs and the applications, so I was looking for some clarification.

[desert juniper]

Skeletal animations are preferred for any object you want to animate (with bones) in engine
Common uses for skeletal meshes are characters, certain weapons such as guns

Static meshes are can be more performant for everything else.
You can still animate these in engine, such as rotating them, scaling them, etc.

[surreal peak]

I would put a * onto that, cause there are other options for other problems too.

[dim halo]

I will keep that in mind going forward. Thank you both

[desert juniper]

Plague did amazing things with static meshes for their rats

[surreal peak]

An example would be when using #mass or any other large scale entity based stuff where your entities all use an InstancedStaticMesh for performance reasons. There you can still pipe animations through to the static meshes via textures that have the vertex offset, which the animation would naturally add via moving the bones, baked in and applied as world offset in a material

Plagues' rats are particles iirc?

At least it thought they were

[desert juniper]

maybe I'm confusing with fish. one sec to research

[dim halo]

So just to be a clear a mass is used for a large amount of data? Sorry for all the questions

[surreal peak]

Mass is UEs EntityComponent system which are usually used for very large scale setups

Cause each entity is very small in terms of memory footprint and they are usually updated in chunks highly optimized to be faster in terms of cpu

[desert juniper]

i got it confused with fish
https://www.youtube.com/watch?v=l9NX06mvp2E

[dim halo]

Oh, I see. Awesome thank you

[civic bone]

Hello everybody ! Hope you're all doing well on this monday ! I have a question concerning sleep/wake event in Android / pausing sound in Wwise.

I'm working on a VR standalone (so Android) project on Pico VR headsets and I can't find a way to pause the sound when removing the headset/pushing the power button. I'm binding pause/resume Wwise events on Will Enter Background and Has Entered Foreground Unreal events and it's not working. Logging each event with Unreal node using device time proves me that sleep/wake events are fired at the correct time, but the Wwise nodes are both executed on wake (pausing and resuming sound right afterwards). Both Wwise events have a global scope.

I tried using Post Event Async, adding a Application Lifecycle Component to use as target in the binding, using PICO SDK Focus State (replacing VR Focus State), removing Unreal Pause nodes, binding with Get Game Instance with a blueprint herited from PlatformGameInstance (and changing it in Maps & modes in settings) but no luck so far.

Here is one of my experiment for better understanding.

Thanks to anyone you can help me on this one 🙂

[real notch]

My player controller adds an input mapping context so I can listen to input actions from that mapping context. This works great when opening the level directly. When using Open Level however, my Input Actions are never triggered. Why could this happen?

I've verified that it runs through the same code in the playercontroller.

[frosty heron]

How do you verivy it?

hard traveling with open level will destroy your current controller

and spawn you a new controller that is set to the new level world setting

[real notch]

By using breakpoints

and spawn you a new controller that is set to the new level world setting

That's exactly what I thought and want 😄

Because this level needs different inputs

[frosty heron]

so it sounds like u have issue with the other controller specific to the level

and not really related to hard traveling

[real notch]

I don't know

[frosty heron]

Try to open the level with the problematic controller from the editor and see what happend

[real notch]

Because opening the level directly does work

That's what I said in my original message

[frosty heron]

Hmmm, no idea. Mine one still work even with hard travel

[real notch]

Yeah, mine as well, usually.

This is the first time I'm collaborating and someone else made this part. I have no idea how they managed to get it to behave like this and I feel dumb 😄

https://blueprintue.com/blueprint/4t83rlj2/ this is the player controller by the way. It's super basic

I get "Hello" and "Kay" when opening it through "Open Level" node. Nothing else.

[frigid summit]

hi guys why my blackboard is set to false always but in the actual enemy blueprint is set to true

can attack is always false in bt even if i set it to true

it always fail

[frosty heron]

@real notch This might be too early imo

are you sure u get the print string?

[real notch]

Yes

[frosty heron]

Controller begin play might be too early as it may not yet posses a pawn

[real notch]

It does though

[frosty heron]

add 3 seconds delay for sanity check

that's the only idea I got

[real notch]

That's not it

Thank you though, I appreciate your time

[frosty heron]

also not sure if it's the same node im seeting on the internet vs ediotr

For my case, since I am doing multiplayer. But even in single player I would do the same thing.
I added the IMC OnPossesed

[real notch]

It's Get Controlled Pawn, and you control the pawn before begin play.

[frosty heron]

I know there are instances where begin play is too early and pawn return null

but if u think that;s not it then well, no more clue

[real notch]

No I didn't just say that, I tried

[frosty heron]

kay

[real notch]

I also swapped it out for on possess, which also doesn't change anything

[frigid summit]

me too : (

[real notch]

I also added a delay now, but same result. It's so weird

I have a new finding. None of my inputs (including click) seem to work when loading through my level select map.

I think I found it 😅

[civic beacon]

We are Creating a project in unreal engine 5.3.2 and we were trying to detect hit on the Vehicle door.
But found weird behavior in the engine collision events.

in readme you can find more detailed explanation
Link to project in git : https://github.com/KanzariyaJayraj300mind/CollisionTest

Overview :

• We have an Vehicle actor which has a Body(staticmesh) as main component which has Simulate physics true and generate hit events true.

• We have a StaticMeshComponent’s Child DoorComponent which has
  Simulate physics false and generate hit event true.

• We are testing the hit event received from Vehicle’s body component and Door Component
  On hit event(of body, leftdoor,rightdoor) we are printing string like below

<Component’s name on which event is triggered> hit by <Other component from hit result>

Here we have colored objects as follow to better identify the objects
VehicleA body Orange
VehicleB body Blue
Right Doors DarkBlue
Left Doors green

[real notch]

Found it. He set the input to UI only in the (MainMenu) level blueprint. Thanks again 🙂

[frigid summit]

its solved by the most redicules solution ever duplicating the blueprint wtffff

so in unreal you cant just have one blueprint and 4 instances that share the same controller

[surreal carbon]

Help with Advanced Sessions Update Session
Hey guys I'm trying to update the multiplayer session but every time I do the current players returned is incorrect.

Ex. 1 player connected with 2 max players set updated to have 3 max players will return 2 current players even though no one additional players connected

anyone have any clue or idea why this might be?

[noble quiver]

Hi, not sure where else to put this but this one is a doozy.

When attempting to build (through the project launcher), I get the bellow error. I have no idea where this error comes from and would like to have some guidence on where I can even start this fixing process.

[frosty heron]

Tell him to stop using level bp 😅

[high ocean]

I'm never sure about this - I always forget. Will setmem be enough or do I also need to set array element for it to change. When running a foreachloop, the struct should come by ref and thus be changed through setmem - right?

[harsh coral]

hey here, gonna ask a bunch of noob questions....
I dragged a bunch of skeletal meshes into the viewport of a blueprint actor. Now I want to create an array of ALL the variables that automatically get created in the construction script, so I can for example set ALL their visibilitys with just ONE checkbox.
Can´t figure out to even do that though..."make array" only allows me to add one pin at a time and requires me to then connect each variable individually, there must be a more convenient way to do this, as I have hundreds of skeletal meshes I need to add to various arrays...

[frigid summit]

use chatgpt or gemini they helped me alot today

[harsh coral]

I am, no dice on this so far.

[marble tusk]

No, the default for each loop gets a copy. You can actually double click it to open the macro and see how it works. Something you can do is make your own ref version of the for each loop. You can copy the macro to your own macro library and change the get copy to get ref

[high ocean]

🤦‍♂️ ofc it would've made sense to open the damned macro. Thanks!

[heavy lynx]

Hello everyone, does anybody know how to get the actual correct rotation of an actor ? By that I mean from 0 to 360 without it hovering between 0 and 90 or 270 and 360?

[high ocean]

Not sure if this would work at design time (e.g. construction script), but get all components of class (in your case skm) and add the resulting array/promote the result to an array then run ur loops on that.

[harsh coral]

Yeah, but I have several layers of skeletal meshes, they shouldn´t all be in ONE array. Like "Skeletal meshes Layer A" and "Skeletal meshes Layer B"

[high ocean]

Quaternions for shortest path rotation - if that's what you mean.

[high ocean]

well, use the tag system and get all components with tag, cast etc. sort them however you like

[heavy lynx]

I mean I need to find the exact pitch between 2 sockets in the same actor but for some reason as soon as it reaches 90 it flips the whole thing and I can't find any way to say "when under 90, flip rotation" since the rot is never under 90