blueprint

[fleet prism]

Thanks that worked. Only problem is when I press the button to have it go back up it starts to go up then immediately goes back down never reaching the top. Any idea why?

[tribal gazelle]

Do a 5 second delay (or however long you want it to wait before reseting) before you call the event off the finished pin.

[faint pasture]

It is if you have a component which references it

[tribal gazelle]

I'm pretty sure it is, even before you reference it. Character etc. I mean.

[lofty rapids]

Show what you have

[tribal gazelle]

Sounds like he added the reset event on the update pin.

[tribal gazelle]

Oh wait lol, off the New Track 0, do lerp, then attach to Z

[tribal gazelle]

Read above

Attach New Track 0 to Alpha on lerp node

The first value is lowered position

Second value is raised position

Give me a minute, I'll show you the node

[lofty rapids]

I think finished is running both times but also missing lerp

You can check the direction

[tribal gazelle]

Like this

A is lowered position
B is raised position

Also, if movement is too harsh. Go into timeline, click on each dot and set to Auto.

[faint pasture]

your auto-reverse is the culprit

you press the button to go back

and then the delay reverses you

[tribal gazelle]

Just needs simple boolean logic to determine when it is raised and should it be lowered.

Just call the event "TogglePlatform" and flip the boolean value and then do a branch and if true, play from start, if false, reverse from end.

Then just do a delay and call the event again off finished pin.

Like this

[faint pasture]

That'll still break. Pressing the button a 2nd time before the delay finishes will result in a teleporting platform.
Just set a bool false on update and true on finished, check that bool after the delay to see if you should proceed.
Or you can cache direction, and only auto-reverse if the last direction was down.

[tribal gazelle]

Oh there is a button press..

[faint pasture]

You just need some way to express "Is the platform down right this second?" after the delay

[tribal gazelle]

Then only call it if the boolean is false. Then if it's true do nothing. And only set back to false with your own reset event.

That way once it's raised, it only lowers by itself.

Button press multiple times does nothing and only works the one time.

[faint pasture]

Can you just get the timeline output whenever you want? I'm not sure what it'd do if you get the timeline output after the delay since teimelines are components.

if you can just have your timeline go 0-1 and after delay, only reverse if it's 1 and last direction was down, if that's available

[tribal gazelle]

The timeline alpha is a 0.0 to 1.0

It's almost like opened/closed.

[jagged moss]

I have a lot of widget buttons and to make it easy for my self and from what i saw in a guide im using an Enum to be able to set the name of a button. when i click the button i need to fetch a row from a datatable and feed into a struct when im creating a child widget.
What is the best way to do this? i could make a variable and use a switch on enum and set it on the widget button to the row name i need but is there a better way?

[faint pasture]

Show your code

the enum smells

[jagged moss]

what do you mean smells?

I dont really have much code to show yet

[tribal gazelle]

That's a yes or no result. What booleans were made for.

[faint pasture]

Sure, just set the bool to true on finished if direction is down, and set it false at the start of any other action

[faint pasture]

What are you actually trying to do here, what are these buttons and where does the list of all buttons in a thing get defined?

[tribal gazelle]

What I'd do is just make it only go up and down via a button press. Then do collisions at the bottom and top, and if they enter and it's not at the right position, then it lowers or raises to player.

And during the update I'd do another boolean check, to then do nothing if it's currently moving and you press the button.

[jagged moss]

the reason for the enum is so i can more easily set what button it is, i followed gorka games. so when i set this value the button is created to do what its suppose to do

[jagged moss]

now from this button i have made so i can add different things and this works with a switch on enum. but now i need to do this again but also get info from a datatable so i can create a child widget that will show text. I have one way to do this but im asking for a simpler way

[faint pasture]

So are you intending to have an enum entry per skill and also some other thing per skill?

You probably want gameplaytags if you're talking about categories

[jagged moss]

the enum, as shown in the picture, is how i name each button on my main widget when i add them in designer

[faint pasture]

What do you mean it's "how you name them"?

Do you do enum to string?

[tribal gazelle]

You would have to.

[faint pasture]

Is an enum entry a skill or a skill slot?

[tribal gazelle]

I love enum to string.

[tribal gazelle]

Maybe create another datatable for this data.

[jagged moss]

each widget button have a variable called type which is an enum, when i did this i got a dropdown menu on my button so i can choose which button it is when i add it.

[faint pasture]

Show a list of these types

Enum to string can shit the bed in shipping so I wouldn't rely on it

it's not what enums are for, the string or text representation is just sugar over an int

[jagged moss]

https://youtu.be/MK4fXlMdMN8?list=PLM4xL5D3m3Qfwl7x7a7JzvtsyqptHzfBM&t=1020 Im basicly doing what he does at this stage in the video

17.00 if the time didnt copy

the rest of the video doesnt fully do what i want tho, so thats not entirely important

[faint pasture]

that is a rather silly approach

what IS a skill in your system?

a data table row? A data asset? A component BP? An Actor BP?

[jagged moss]

depending on which on is chosen they do different things. but all the info i got is saved in a google sheet atm. some of them, the part i have completed gives extra abilities etc. but some have passives that doesnt add abilities and i simply want to get the passive text from the datatable and put the text into a scrollbox. i chose to create child blueprints but i can also just add the text but i cant override text and i also have to remove it if the skill is no longer selected which is why im using a child widget

[faint pasture]

I mean in the engine

where is the code or data that says what a skill actually does?

[jagged moss]

i could ofc do it manually, but i prefer if i could use a data table for it so its less work. but if that isnt a good way i could write down each text and use a switch on enum

[faint pasture]

For example, I'm working on a little quick and dirty boomer shooter prototype that implements skills as actors.
Here's the drop down

[jagged moss]

all i want is to get the text from the datatable and show it on screen. theres not much code to it

enum holds name of skill, datatable holds text from skill. i want to use just that instead of doing it manually

[faint pasture]

and these skills don't do anything?

[jagged moss]

not really

i only want its text into a child blueprint inside a scrollbox

[faint pasture]

There are ways to get data table row names in a dropdown but they're C++

I'd just make data assets probably but you do you, if it's just a UI exercise then duplicating everything into an enum can work too but I'd never ever make an actual game like that

[jagged moss]

if its possible to use the enum name then that would be the easiest for me

[faint pasture]

It's possible but very well may break in shipping

is this a real project or just for practice?

[jagged moss]

both, i already made this game once and i got 6 playtesters, however i dislike how i made it last time so i want to use a new engine for it. its closer to a board game i guess. Im having more playtests next months and this is the last logic i need to complete to have a playable version. I do plan to eventually sell it but i still have some work to do with adding art and stuff. once im done with this step i will buy some art and try to implement all before the playtest

then if its still good i will continue with the next part of the alpha and if i struggle with it im gonna try and hire another dev to help me but thats remains to be seen

[faint pasture]

there you go

make the type a data table row handle

then you'll have a dropdown with all the rows

[jagged moss]

okei but now i want to cry cause i tried to figure out if that was possible before and thought it was not x'D
Thank you this makes things so much easier and i knew there was something better than what i was doing

[faint pasture]

I didn't even know it was a thing, might be new

[jagged moss]

wish i knew about that earlier but i guess we learn something new every day x)

i feel like you somehow edit reality to make this happen

[faint pasture]

Dunno, I've been team DataTable for a while but everything I do is at runtime so never had to talk about rows at design time

[jagged moss]

im pretty new, i relearned UE5 many times for different project but i finally got diagnosed and medicated for ADHD so im able to consetrate and learn more now. datatables was one of the first things i learned for this project and it has saved me so much time. i got over 100 child widgets to create depending on choices and each widget has tons of info, getting it all from a datatable and creating them is such a timesaver

[faint pasture]

I wonder if I have ADHD, I'm at work and should be working instead I'm remoting into my computer at home and fiddling with Unreal lmao

[jagged moss]

x)

could be many things

my game now runs at 2,7GB ram, i dont think that is too bad considering im close to finnished with the first playable version

managed to reach 3GB by spawning so many dices that i cant see the game anymore

[proud magnet]

Can anyone give some insight into why my Material Preview is completely black until I turn off Auto EV? Findings in the post below:
https://forums.unrealengine.com/t/every-material-is-solid-black-and-unlit-in-preview/2650918

[lunar sleet]

As long as you’re not also playing some video of some random playing Minecraft in the background, you’re probably fine

[faint pasture]

I've procrastinated since 1993 and any interruption to flow just pulls me out and I can't focus. IDK if it's ADHD but it's probably something. If I'm locked in I can zoom but cannot multitask to save my life.

[jagged moss]

I recomend to get tested if you can

[jagged moss]

Each time i click a button I add the row name to an array, and when im creating the text i just run for each loop and feed the name into a datatable and create each widget child. this is perfect and takes up so much less space than what i was trying before. thanks for the help ^^,

[warm hare]

I have an issue where my battery pickup is not updating to my HUD, but I do have it and am able to use it. What am I missing in my code?

[faint pasture]

the widget needs to bind when created

why do you have an interface involved here?

This call goes nowhere

Your widget needs to bind on construct, and do the initial update. Then the bound events will also call the updates

Widget appears -> it binds events to its pawn's stuff -> it updates numbers

Pawn has something happen -> it calls the thing the widget is bound to

[warm hare]

This was from a tutorial I was following

[warm hare]

This is the battery pickup BP and it is supposed to communicat with how many i have on my widget

[faint pasture]

Anyways fix your binding

right now you don't bind so there's no way for your UI to know when it changes

Also there's no reason for the event called Set Batteries Held, just do the thing like the flashlight

[warm hare]

It worked. Thank you sir

[faint pasture]

Just set it up like this:

Construct -> ???? -> Bind flashlight -> bind batteries -> Call Flashlight -> Call Batteries

Flashlight Event -> set percent
Batteries event -> set text or whatever

You don't need a chain of like 6 events to update a text field, you have a bunch of events that just exist to call other events, they're unnecessary

[warm hare]

Gotcha. Makes sense. I appreciate it. Reworking it now

[crude spruce]

managed to refactor my 5 systems into onee blueprint i can finally breathe again

[faint pasture]

render target or RVT?

[crude spruce]

now i just need to find a good way to have many enemies

[crude spruce]

marching squares

[faint pasture]

I mean what's the data that the gpu is using to decide what to show

[crude spruce]

edges

from marching squares algo i added in c++

[faint pasture]

Is the fog a post process or actual geo?

[crude spruce]

niagara is currently getting a 1d array of cell values

fog is niagara, placeholder for fog of war

i was looking at render targets but i needed to try something with c++ to see if i could

[faint pasture]

https://www.youtube.com/watch?v=7Q1gqpf2JhU

Render target is what I use

the cpu-side representation of the visibility field is polygons, just a set of triangles

[crude spruce]

ah

very dope

[faint pasture]

they get rendered to a RT then processed for blur and bleed etc

[crude spruce]

my goal is something that makes fog of war = horde of enemies so im mostly figuring out the countours for whatever method for level of detail culling i will go with

but that is tech art and as long as i have the data i get from marching squares i can solve the fog of horde later

[faint pasture]

This is how my started, going for a tactical type approach not so much a strategy game scale

[crude spruce]

im just aiming to make some solutions with an arcadey roguelite tower defence thing

nice !

[faint pasture]

you seen the LoL writeup on it?

if you're grid based that's worth looking at

[sick sky]

yo thats sick

[crude spruce]

oh i want to read it

i am not fully grid based yet but im hoping to just centralise most of it all to interacting with a grid

[faint pasture]

https://technology.riotgames.com/news/story-fog-and-war

[crude spruce]

great thanks

[faint pasture]

pretty cool how they smooth it

[sick sky]

reminds me of valorant minimap view

[crude spruce]

either way my fog of war is ment to be a horde combined with obsfucation of environment
its a fun design to attempt

[faint pasture]

my approach wouldn't scale to that level, it's more meant to be centralized in a 3rd person view

[crude spruce]

ah yeh this article looks good

[faint pasture]

This was the basis of my approach
https://www.redblobgames.com/articles/visibility/

[crude spruce]

hehe

[faint pasture]

started out just shooting rays at corners but it's easier to just have a density of them and batch

[sick sky]

what do you use for the view ?

material instance ?

[crude spruce]

im gonna make the towers shoot this week and gather arbitrary points for a player wallet and after that i can start looking at what type of objects enemies should be

[faint pasture]

FOV is a bunch of triangles, gets rendered to a render target per frame

[crude spruce]

im thinking 2 niagara systems. outside, inside. outside being fog + visible bodies standing idle. inside = animated particle meshes with collision.

[faint pasture]

the RT is used for opacity masking and for post process

I would LOVE to figure out a way to use the RT for volumetric fog masking

haven't messed with it in a while tho

[crude spruce]

i made masks in 5 ways or so for niagara

now i just use this scratch to kill the particles when they are in the marching square grid

there is a grid system and im sure its better 😄

[faint pasture]

Here's a cool effect you can do with render targets

since I was blurring anyway I played with time based stuff a bit

[sick sky]

i never played wit hRTs but they seems cool

[crude spruce]

ah yeh the fog mask?

[faint pasture]

the slow dissolve instead of instant

[crude spruce]

oh yes

looked so natural i looked for something else

[faint pasture]

I wonder if there's a way to sort of unify FOV with navmesh

it's all kinda the same idea

[crude spruce]

how so?

[faint pasture]

It's just a set of triangles representing something about the world. Navmesh says where you can walk, VisibilityMesh says where you can see

The RT is for GPU side only, on the CPU it's just a pile of triangles

[crude spruce]

ah

[faint pasture]

so stuff like "can I see this point" is easy

[crude spruce]

we are 2 sides of a coin here

[faint pasture]

I got some ideas for stuff that can build on it like heatmaps and such, it'd be cool for AI to sort of have a bunch of meshes representing what they see or know about in the world

[crude spruce]

is your render target low res at all?

[faint pasture]

It can be whatever res you want, it was 1k I think

[crude spruce]

i was thinking about navigation

[faint pasture]

RT is JUST for visuals tho, no mechanics. The FOV as far as game code is concerned is a set of triangles

[crude spruce]

alrite

its beyond me

[faint pasture]

like so

[crude spruce]

im just trying to maximalize instead culling

aye i get it. perhaps fog of war in my context isnt the best term

[faint pasture]

I thought about using the RT for gameplay stuff but that's sort of a non starter

it's not trivial to query pixels all the time for gameplay plus how the hell would a server work

[crude spruce]

i could make my marching square data into an RT i just dont know why yet.
earlier i tried to make some kind of centralized RT for managing gameplay as well as materials

no bueno

[faint pasture]

so is marching squares basically just an approach to turn a grid into smooth curves?

[crude spruce]

in short ye

i need dynamic contouring so i can know whats inside and outside

i stumbled upon this clip showcasing massentity. i will see if i can use this as a light weight alternative to my enemies
https://www.youtube.com/watch?v=F-v6Xz6-pf4

if i can make niagara particles as meshes with animations, moving towards something, somewhat avoiding obstacles, its probably the better solution for me. But the clip makes me atleast want to explore mass entity.

and there is always the option to make all the logic happen on the grid.
ie cell is occupied by enemy
tower targets cell
and have the graphics just be a representation of the fact

actually not a bad idea, at least a fun challenge to design a visual system where enemies infect neighbouring cells and have a particle system just do the visuals.

its too late for new ideas good night

[spark sky]

Really cool

[languid sentinel]

hello, is it possible to play or preview animation montage in level sequencer without PIE?

[hardy merlin]

I'm working on a respawn system. If I want to note where the player last died, where can I do so that won't be reset if I move levels. Is Subsystem the only option?

[dusky cobalt]

Or GameInstance

[slender dagger]

can someone explain what these nodes do? I understand the attach actor to component node but I'm not sure what these would be detaching.

I'm doing something where a weapon class is spawned and then attached to the component via a socket. so there's the player actor, which has a weapon component, and then the weapon class that's spawned is attached to it.

Do these nodes detach the weapon component from the player's hierarchy or do they detach whatever that component is and just leave the component blank?

[mental trellis]

They'll both detach a component from something. In the case of actors it will use the actor's root component.

It won't unset variables or change ownership or anything, just detach it from the transform hierarchy.

[slender dagger]

cheers

[feral hull]

Hey, I have the problem that in my Main Menu level the health bar of my character is displayed. This happens because I used "Event Tick". But I only want the health bar to show up in the gameplay levels, not in the Main Menu level. Could someone tell me how I can fix this? Thanks in advance!

[slender dagger]

where are you creating your health bar?

[feral hull]

In the Character Blueprint

[slender dagger]

are you adding it to the viewport when you create it or is it a component?

[feral hull]

I am adding it to the viewport

[gloomy hound]

I've found it to be better to create widgets from the player controller (since when you create them you need to provide a player controller anyway and because the player character might go away when the player dies)

[slender dagger]

then remove your character from the menu level and go into the world settings on the menu level and change the game mode to a different one and set the default pawn class to character or smth like that and it shouldn't show up. I'd also recommend just creating it once and doing it in the game mode/controller rather than the character class. you can update the health through event dispatchers (this is what most people would recommend) or by referencing when you create the widget. That way you are only updating one widget instead of creating thousands over the course of the time played

[gloomy hound]

alternatively you can use a different game mode in the menu level (that's probably a good idea regardless) and then you can select a different player pawn that doesn't create any widgets (such as the default one)

[cosmic abyss]

https://streamable.com/dudyoi so i'm facing a problem with physics objects and physicshandle on the player.. I successfully blocked physics objects from passing through barriers on its own but if the player has grabbed it with physicshandle the player can pull the object to places it's not supposed to be.. in this example I want the player to be able to cross red barriers in the level but not this specific cube, but as shown in the video, the player can wiggle by the cube while grabbing it and eventually pull the cube through anyway.. I feel like a potential fix for this would be to setup something in the grabbing system code in the player blueprint to force the release of a grabbed object when it separates a certain distance from the player/physicshandle but have no idea where to start with setting that up or if there's a better solution or not

[lofty rapids]

did you set use ccd ?

[lofty rapids]

to "set that up" you can just calc the distance from the handle or player to the thing if it gets gretter then a certain distance release it

also is your collision set up properly, the cube is block the wall, and wall is block the cube ?

[cosmic abyss]

yes, the physicshandle can pull anything through anything as well as the player is "grabbing"

all the collision works as intended when the player isn't grabbing

[chilly crane]

If anyone can help, that would be appreciated

[hollow tendon]

is it destroyed or visiblity set to off?

[lofty rapids]

are you falling through ?

you may be moving too fast and clipping

check use ccd, try substepping

[chilly crane]

no

[chilly crane]

yes

it doesn't happen in the middle of the map, I can run a million miles an hour, and no issues. Also doesn't happen if streaming is disabled

and finally, I tried to change the grid partition to "LevelStreaming" from "LHGrid", but unfortunately that didn't work, and now the map is very broken, I will try to recover it. Not sure why it did that though, I should be able to change the type surely?

[hollow tendon]

no what?

no destroyed or no visible or no both or no what

[fleet prism]

Hello, I'm currently working on a project. and have encountered a bug. The problem is when you place the cube down onto the pressure plate it revels the light and if you remove it the light goes away. but the problem is sometimes it breaks and dose the opposite, so the light then only appears when its not on it.

[cosmic abyss]

but yeah I pretty much assumed this beforehand but not quite sure how to make it happen on my own

[lofty rapids]

there is a distance node

you can check the distance is greater then some constant

[lofty rapids]

because of the delay i think

do a retriggerable delay for one thing

[cosmic abyss]

'Get Distance To'?

[lofty rapids]

distance (vector) ?

[cosmic abyss]

oh, context sensitive was ticked

[lofty rapids]

you plug the two locations in and gives you the distance

[lofty rapids]

the two vectors are you locations

that you want to check the distance between

[cosmic abyss]

not really sure how to make it gel with my current picked up loop

[lofty rapids]

just on tick, check the distance

if it's greater then a certain amount, release the component

but you probably want to just do once on that

and reset

and also check if your grabbing something

if ((grabbing) AND (distance > someAmount)) release();

[lofty rapids]

did you try substepping ?

[cosmic abyss]

yes, no soap

[cosmic abyss]

I mean it worked but it caused the grabbed object to be sluggish within the player's grasp

getting stuck easily and slowly moving away from the physicshandle etc

[lofty rapids]

weird

[cosmic abyss]

are you saying distance vector goes into event tick delta seconds?

[lofty rapids]

no definately not, you don't need delta

[cosmic abyss]

can't plug distance vector into it otherwise

(also i'm bad at following text tutorials, almost everything i look up for unreal are videos of some sort)

[lofty rapids]

ya maybe you should watch tut on blueprints basics so you can understand more instead of just copying ?

if videos is how you learn thats fine everyone learns different

[cosmic abyss]

I do understand certain basics, but still a lot I haven't seen/done

[lofty rapids]

makes sense, but the distance node is a simple node, it does exactly what you would expect

and the two vectors, you can learn about what vectors are

[lofty rapids]

copying this will do you no good, you need to plug in the proper values

[cosmic abyss]

i'm more of a designer than programmer, but I do pick up on little things over time

[cosmic abyss]

the greater than value aside, can't grab anymore with this setup

[lofty rapids]

show what you did

[cosmic abyss]

it does grab now but doesn't seem to release

[tulip trout]

I think your distance check is failing because your vectors are 0s and it checks if it's bigger than 10

[lofty rapids]

for sure

the distance between two constants will always be the same

and in this case its 0,0,0 to 0,0,0 which is probably 0

[lofty rapids]

^

[cosmic abyss]

so I should put 10 on both X+Y?

[lofty rapids]

do you understand the concept of distance between two points ?

as far as the node is concerned

the left is input

and the right is output

the input is two vectors, and the output is the distance

locations are vectors

[tulip trout]

Box → GetWorldLocation → put that in V1

Physics Handle → Get Grabbed Component → GetWorldLocation → put that in V2

[lofty rapids]

probably not

[cosmic abyss]

can't grab anymore

[tulip trout]

weird

[lofty rapids]

show what you did, and try different numbers print string the distance

[cosmic abyss]

I'm assuming this is instructing me to replace the make vectors with get world location correct?

[tulip trout]

Yeah deleting the 2 make vectors and doing that instead

[tulip trout]

Instead of comparing it to 10 try comparing it to 75

Yeah in that compare try putting 75 or 100 instead of 20

[lofty rapids]

what is box ?

is box the wall ... ? 👀

[cosmic abyss]

box is the custom collision I put near the mouse's nose

so his nose pokes walls instead of his capsule

[lofty rapids]

print string the distance

so you can see what it is when your holding

it's probably greater then 20 and keeps releasing

like mentioned you can try a higher number, but a print string will give you an idea of what your looking for

[tulip trout]

If that doesn't work try feeding the vector you put into the "set actor location" node into V2 instead of that

[cosmic abyss]

75 to 100 both work, 100 feels better

[tulip trout]

print this and check its normal distance

then make the check lthe lenght plus 1

[cosmic abyss]

upon ending play I'm getting "accessed none trying to read (real) property CallFunc_GetGrabbedComponent_ReturnValue is not an UClass"

[lofty rapids]

probably because if you release your not grabbing, and grabbed component may be none

in this case check if it's valid before do the branch

[cosmic abyss]

which valid node exactly?

[lofty rapids]

is valid with a question ?

[tulip trout]

add a is valid for each GetGrabbedComponent

[cosmic abyss]

there's only one 🤔

but this setup doesn't release anymore

[wild sage]

I have a spawner system with a collision trigger that detects when the player enters or leaves the spawner area. It works fine when using a single character.

The problem appears when I use my team system:

• When I switch characters, the current character becomes invisible and has collision disabled.

• The new character is possessed, becomes visible and has collision enabled.

• At that moment, the spawner’s overlap event is triggered again, even though the player never actually left the spawner’s trigger area.

From the engine’s perspective, it seems that re-enabling collision/visibility is treated like a new BeginOverlap, which causes false positives.

My question is: How can I build this system so that switching characters does not retrigger the spawner overlap, and the spawner only reacts when the player truly enters or exits the area?

[cosmic abyss]

I guess perhaps you meant before both branches? because this seems to have fixed it, thanks dudes

[full badge]

when you disabled collision it's no longer overlapping

[wild sage]

when i disable collision, it triggers endOverlap

[lofty rapids]

maybe set it's object type when you go invis so that it doesn't collide ?

like object type invsibile that doesn't collide collide with the thing

or just set response to channel to ignore

[severe coral]

Hey, is it possible to set a reference object procedurally? I have a lot of instances of the same Blueprint, and there's an instance editable variable where you can select a widget component.

What’s really annoying is that this selection disappears with every small change, even if the variable itself hasn't been modified.

What I’d like to do is take the actor’s name for example, "Gate_05" and programmatically assign a widget with the same suffix, like "somename_05".

Is that possible?

[random zephyr]

Hi there! I am trying to lock a Skeletal Mesh bone with Physics Constraint in runtime. However, when I do so, my SM gets snapped to world origin. Tried to set Physics Constraint location to parent actor as well as reference position, Did not work. Help please!

[barren sonnet]

I want to have trees shake using a material variable when an explosion happens next to them but I dont want to make them all blueprints as that would make them more expensive. Is there a way to add a tag I can apply to the meshes and then in the explosion blueprint grab all the trees in its region with the tag and apply the material variable to them to animate them ?

[shut blaze]

I got a small issue, the target pin, mine is yellow, while the guy in the tutorial is blue
I'm using ue4 he is using ue5
also it's not printing string, sooo it's a problem

[maiden wadi]

That hasn't changed from 4 to 5. The yellow is an interface. The blue is a direct reference.

[shut blaze]

sry just found out the setting got overwritten of what game instance the game should use

prints, however, how do I make it a direct reference?'

is it a problem? I mean I did the same as the guy

[lunar sleet]

The pin color is just UE4 vs UE5 afaik

[dusky cobalt]

Kinda Simple question. I have widget on the screen, added to the Panel. The thing that was displaying that widget got destroyed. How do I make it automatic that this widget should dissapear? bind?

[shut blaze]

alr alr

[maiden wadi]

It's not. Both of those still exist in 5 and existed in 4.

Yellow is an interface. Blue is an object.

[lunar sleet]

Oh. I stand corrected

So I guess in this case he selected the interface event call instead of the actual event call

[lofty rapids]

you can create a dynamic material for each one on begin play, then when you run it set the parameter on the dynamic material ?

you can also use a collection parameter

where like 0.0 is no shakde 1.0 is full shake or something like that

i prefer the collection parameter approach, where you can just set it and it changes on the fly

much less overhead

[barren sonnet]

Thanks for the reply. I got that part setup for the animation, how would I tell it to change the collection parameter only on the trees in the explosion region?

[lofty rapids]

thats true i didn't think of that, but there is a way to do things in a position in world within a radius

[barren sonnet]

Could I make them a basic blueprint and add a tag to the trees. Then check the overlap explosion region blueprint for objects with that tag to change their material value?

[lofty rapids]

yes, you just have to like i mentioned create a dynamic material for each one and set there property

if you plug this into the alpha of lerp

youc can lerp between two values in the radius will be one and outside will be the other

but it may be easier for you to just do the ones in radius

[barren sonnet]

oh thats an interesting way of doing it.

[lofty rapids]

this is what i use for a grid in a game i put the grid only on a specific location

[lofty rapids]

with a smooth falloff it will probably looks nice tbh

[barren sonnet]

thanks for that , ill try that

[lofty rapids]

ai helped me figure it out tbh

after a bunch of going back and forth i got it to work lol

its more efficient if you want something in a radius vs a bunch of material instances

but the material instance way would work just fine, but this way you don't need a million instances

you can just put it in the material that is effected

[barren tangle]

is there some people who know that node ?

i feel like it's not working

do you know if we need to put a wrap component to the target or something like that? to be able to follow the component?

[lofty rapids]

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

[barren tangle]

i have started with that video but i feel like it's not complete

[celest oar]

Whats the best practice, call destroy on the server or on the server AND the client?

[lofty rapids]

https://www.youtube.com/watch?v=79u37x2w3MM

[barren tangle]

ok, so i think i don't understand the motion warping

for me the motion warping was... to move my target to another location (another target)

if my enemy move, i want to move to reach the enemy location and be sure to adapt to the enemy location

[lofty rapids]

where did you get the animation ?

[barren tangle]

i did it myself

[lofty rapids]

Thats cool, can you make it in place ?

then you can move it however you want

[barren tangle]

i have the root motion of my animation moving my character

so it move correctly when i press the button

but

when i want to reach a target

i want to have some kind of help that will adjust the animation to reach the target

to be sure you have a visual hit

i understand that the motion warping was there for that

adjuste the distance between the actor and another one

but when i read the node description, i feel like it's not the case

[lofty rapids]

https://www.youtube.com/watch?v=OxSE4Kghpgg&t=7s

[barren tangle]

you can see when i attack i follow the root motion. but i would like when i get the target position to be able to adjust the animation to reach the position of the monster

but... 😄

[barren tangle]

i'm watching that one

[lofty rapids]

can you kick, right, down, and does it point at the character at all ?

[barren tangle]

it oriented to the monster when i press, but after the animation goes straight forward. instead of focusing the enemy.

does the enemy needs to have the MotionWarping component too?

[lofty rapids]

set the target location to point toward the character

[barren tangle]

i don't understand how the position is updated

[lofty rapids]

show what you have that does the motion warp

[lofty rapids]

so the kick always go the same direction ?

[barren tangle]

the kick goes to the enemy location

you can see when i press the button it find the enemy and update the location of the enemy

the warp target location is the enemy location

and i put: Warp Target Follow Component to True... i read it's to allow to follow the target movement...

but to be honest i feel like my target should also have a component because how the node will know that the target is moving? where is the link to the enemy position to that node

[lofty rapids]

but you didn't set warp target component ?

[barren tangle]

what do you mean by set warp target component?

i have on on my character

but not on my enemy

do i need to have one on my enemy and put that component to my node?

[lofty rapids]

hover over warp target component, what class is it ?

[lofty rapids]

try to plug the enemy actor into that

it should get the scene component automagically

[barren tangle]

i have added a scene component to my enemy

and get that on for the node

[lofty rapids]

see if that does it

with the follow boolean checked off

[barren tangle]

ok now my character goes to the enemy location

it follow the enemy, i need now to be sure that the bones of my character is the one reaching the enemy and not another one

[topaz goblet]

Working to build an inventory system and was curious on the best way to save 'inventory for X character'. Are there any methods where the gameinstance or gamemode just save / update constantly? Or, does it have to be on a triggered timer?
I'm thinking background worker that is taking game objects and updating disk where needed...?

For 'save slot' is there a unique identifier for each character / connected player? Just trying to wrap my head around it all. Game is multiplayer focused, or... I'd like to design around that.

[barren tangle]

But to be honest... i'm not sure if the node is use correctly.
Target : Motion Warping from the character.
what is Warp Target Name?
Warp Target Location?
Warp Target Component? Scene on the target (monster, object to reach)
So if Warp Target is the "Target" and Target is the "Owner"

Why Warp Target Name will be the name of the Owner Animation???

that doesn't make sens to be honest...

[lofty rapids]

did yu define it in your motion warping component ?

[lofty rapids]

"When the animation montage plays and reaches the motion warp notify state, the system uses the specified Warp Target Name to retrieve the correct target transform from the Motion Warping Component and adjusts the character's root motion accordingly. "

target is what your adding or updating

[barren tangle]

so the motion warping component should be on the monster?

[lofty rapids]

the warp target should be where you want to want to warp to i believe yes

"warp target component is a reference to a Scene Component that serves as the target location for the animation to warp to"

i would use the target, and lookat rotation, unless it handles the rotation already

[barren tangle]

ok warp target is the animation

[narrow swift]

Why is my AI not moving?

[barren tangle]

do you have the navigation box?

the nav mesh bound volume?

[narrow swift]

aye the green thing in the first picture shows it

as u can see

[barren tangle]

does your AI has an Ai Controller?

[narrow swift]

nah it doesn't

[barren tangle]

i think you need one

[narrow swift]

i mean

not a custom one

if u ask that

it has the default ai controller

[barren tangle]

don't remember by heart, but did your AI controller posses your Ai ?

is there an auto possess or something like that?

[narrow swift]

well tbh idk

im pretty much new so

[barren tangle]

ha ok

[narrow swift]

i've never done such a thing like that before

sorry

but i would like to listen if u explain

[barren tangle]

let me check because my project with Ai is not open

i will check if i can see the node of info about that

[narrow swift]

aight mate

thx already

@barren tangle well

i just delete the Recast NavMesh default and replaced with a new one

and it works now

[barren tangle]

ha perfect 😄

[narrow swift]

butt

if u know why

explain me

and explain the AI thing too if u would like to

i wanna learn more

u can DM me if u want

[chilly crane]

no as in, there is nothing I've done to set the visibility off, or destroy the landscape components. Plus if my understanding is correct the sections that go missing are smaller then a standard component? And it doesn't happen when the wp streaming is turned off

[uncut shale]

So I am trying to set my default stats to copy to the current stats here, but every time I call both stats, the stats do not match

[arctic wren]

Hi, I’m creating a horror game in UE5 (I’m still a beginner).
I want to set up an event system that stays active until the end of the game:
1.At first, nothing happens.
2.When I pick up a specific object (for example, a shoe), a timer should start.
3.From that moment on, every 30–60 seconds (random interval) an event should trigger.

The event should:
Spawn (or reveal) a monster a few meters behind or in front of the player..
make it run towards the player or just stare,
play creepy sounds..
then disappear again..

This event should repeat for the rest of the game, not only until the next level.

Should I spawn/destroy the monster each time, or would it be better to have a permanent Actor and just toggle visibility/collision?

How can I prevent multiple events from overlapping if the timer triggers while the monster event is still running?

I’d be really grateful if anyone could help me with this! 🙏

[thin panther]

I'd probably lay it out like this
When you pick up an object, you probably call something like OnPickup. This might be an interface that each item implements.
In this specific item, you would then set a boolean, perhaps in the game instance (persists across levels), then calls an appropriately named event, such as "Start Jumpscare" in another actor that I'd probably name something like "Jumpscare Manager". This actor would be placed in every level that needs this functionality.
This actor, on begin play would check the game instance to see if that boolean is true, if it is, it would call Start Jumpscare.
Start Jumpscare would start a timer by event (non looping), with a random time, and when that timer executes it would pick an appropriate spawn point (i.e. non colliding, correct distance) and spawn the monster. The monster's AI bp would behave as described. The monster's AI bp, after it's played the creepy sound would get this jumpscare manager and call Start Jumpscare again, creating the infinite loop. Because you only start the timer after the monster arrived, it also ensures that you don't have overlapping events.
@arctic wren

[arctic wren]

Thanks !

[lime yoke]

Is there a way to move my character without using root motion? Calling AddForce in the capsule component on the tick event will behave different depending the FPS, even if the velocity is multiplied by DeltaTime.

[snow fox]

So I'm having this weird issue where My Level up Widget is appearing right when the victory window shows up rather then showing up and then going away once a character has leveled up. The Level up widget seems to be spawning at the same time as the victory window widget, though I believe I have programmed it correctly? Any help on how to not get this widget to spawn along with the Victory Window from the start would be really awesome. 🥹

https://www.youtube.com/watch?v=iNf9AQB6u0Y&start=60 This is the video I was following along with

[surreal peak]

Feels like you just have the default values for the visibility set up wrong, so it doesn't instantly show but rather isn't hidden.

Make sure you don't play with the animation actively selected. Iirc that screws with the defaults.

[snow fox]

Damn, that could be it then. Ill give it a try once I get home.

[snow fox]

Thanks for the reply too, I appreciate it 🥲

[snow fox]

Okay, so you were right! I had my render opacity at 1 for the widget itself and that's why it was present from the start. I thought because of the animation itself, started at 0% opacity would not allow it to show up but now it all makes sense. Thank you for your help again, I really appreciate it! 🙂

[surreal peak]

No worries. The Animation only applies its values when played (:

[snow fox]

I'm glad it was something so simple tbh 😅

[severe coral]

Up. Is there way to preserve selection in this instance editable variables on my bps in level?

[hallow smelt]

Hey, I couldn't find anything on the net about this. I am trying to improve the vaulting system that I made through some tutorial, you know, to actually learn the stuff, not just copy paste, and I have an idea for another improvement. But to do it I need to find a top of the actor I will be vaulting on top of. Does anybody know how to do it?

As for now, all the checks for the collision with the eventual actor are done by the "Sphere traced by channel" node, and one of the possible outcomes is "Out hit", but neither it, nor any component of it can be used to check the location of the actor.

[hallow smelt]

Ok, I found it! If you draw spheres from top to bottom, then the impact point component of "Out hit" will have the Z value of the top of the object.

Though that creates another problem. Because if there are 2 blocks, one under the other, and it technically would be possible for the character to vault between them, but the bottom of the top block still collides with the top sphere, the impact point will return the top coordinates of the top sphere... 🙁

[severe coral]

That's strange to me. Is it normal that the event triggers even when a different pawn is possessed? I want this event to fire only when a specific pawn is possessed, and to have different possess functionality for different pawns.

[dark drum]

The Possessed event will fire on any pawn that is possessed, this includes by both player or AI controllers. If you're using the same pawns for both AI and the player you'll most likely need to check the new controller to see if its locally controlled.

[surreal peak]

They shouldn't even reset. What exactly are you doing? This sounds like you made a Pointer to an Object and you assigned the actual Blueprint to it.

[severe coral]

I think it is normal, I've seen course where it was also an issue. I want to select here in details panel

Im selecting widget bluperints here

[dark drum]

Widgets (in this context) don't exist in the editor which is why you can't select them in the details panel. In these instances you might instead need to specify a class type instead so it can be spawned at runtime when needed.

[surreal peak]

Welcome to Traversing/Vaulting. You can pick up your tissue box on the right.

In all seriousness, this is something everyone goes through when creating such a system. You'll need to solve the edge cases as they come.

If you notice something you coded doesn't work in an actual use case, try to understand why it's failing and think about what it should actually do instead to take this into account.

E.g., if you are worried that you can find something above the actual location, check the end location with a sweep that just covers the maximum height of the player down to the floor. If this doesn't hit anything, then the player can stand there. If not, then there is 100% no space. I usually use a sphere trace with the radius being the one of the capsule of the player. And then I trace from the top of the capsule (minus the sphere radius!) to the bottom of the capsule (still excluding the sphere radius!).

[surreal peak]

That's wrong.

If that's an actual Reference type variable, then the reason is simply that you aren't supposed to select Blueprint/Widget assets.

These are basically Classes, so the type of that variable should actually be Class and not Reference.

[severe coral]

I dont have problem with selecting widget references here. My only problem is that when this Gate BP is edites, all this selection is lost

[surreal peak]

Then you can select them and they won't reset.

You then need to use the class to create/spawn the actual object.

[surreal peak]

Okay, one more time: You shouldn't reference BP/Widget assets in Reference variables. This is wrong. It resets cause the actual Object you are referencing is the CDO.

What you are selecting there is not a newly created instance of those. You select the very asset.

And those should, if referenced, be set on CLASS variables.

And then you use that CLASS to spawn/create the actual object during runtime and save that to some REFERENCE (actually pointer..) variable to keep it alive.

[dark drum]

I'm surprised they actually show up in the list but I guess it'll just be the ones the editor has loaded into memory when creating/editing widgets.

[surreal peak]

You gotta use the purple class type.

What you can do, is place 2 Actors into the scene, have a REFERENCE variable as InstanceEditable of that Actor Type on them and then select the other one there. Cause the ones in the scene/level are actually new instances/objects.

[chilly crane]

also, not sure if this is supposed to happen, but I changed the streaming policy from LHGrid to levelstreaming, and now the level won't open. Crashes every time with the following error:

Cast of RuntimePartitionLevelStreaming /Game/Maps/Ilyndra/Elysium/ElysiumCity.ElysiumCity:PersistentLevel.WorldSettings.WorldPartition_0.WorldPartitionRuntimeHashSet_0.RuntimePartitionLevelStreaming_1 to RuntimePartitionLHGrid failed```

[surreal peak]

I doubt it's supposed to happen. I would suggest you revert your changes again :D

[chilly crane]

I can't, that was a brand new map, nothing of immense value was lost, but I'd rather like to know why it happened, and what to do to avoid it in the future

it would be disappointing if it were to happen to a more important map

I notice that by default UE uses the LHGrid, but supposedly the LevelStreaming is more efficient? What is the real difference between these 2, it's difficult to find info on it

[surreal peak]

No clue tbh. Haven't played around with that yet. You are using Source Control though, in case this happens with a map that is already progressed a bit?

[chilly crane]

yeah, but I don't commit every 5 minutes. So there is still the possibility of smth going wrong after a few hours of work

which ig isn't the end of the world, but undesirable to say the least

I was fiddling with the WP settings mainly because I was having this issue with the landscape, which doesn't occur when streaming is turned off btw, #ue5-general message

[hallow smelt]

Yeah, I think this is enough for now. I already made it way better, because as it was shown in the tutorial, the Character would vault right through the block if it was too high. I'm happy with what I did for now, if I want a fleshed out system in my actual game, I would try to improve it more 🙂

[chilly crane]

hah, I tested it again on a test map, and converting it to a LevelStreaming type seems to catastrophically break it again...

Cast of RuntimePartitionLevelStreaming /Game/NewMap.NewMap:PersistentLevel.WorldSettings.WorldPartition_0.WorldPartitionRuntimeHashSet_0.RuntimePartitionLevelStreaming_2 to RuntimePartitionLHGrid failed

What could possibly be causing this issue? It ought to be rebuilding these issues right?

[chilly crane]

I'd say there's some hidden gems online in terms of locomotion tutorials. If you want to go the full AAA route, you can always look at Epic's samples, the GASP in particular is very similar to what is used in Fortnite if I've understood them correctly. However, that's very, very complicated, so I'd recommend just learning enough to tweak it to your needs 😂

[dark quartz]

How could I draw onto a surface? Like the player uses the mouse to draw scribbles on a statue.

[lofty rapids]

https://www.youtube.com/watch?v=wIfovfaf01w

[dark quartz]

Thank you!

[hardy wave]

Does anyone know what the best way to do a multiplayer game where you can chose from multiple different characters? Like do I make one base character and make others a different version/child of the base or is it better to just spawn the player as a unique character or what is the best way to go about this?

[maiden wadi]

It depends™

Need more context. What kind of multiplayer game are we talking about? What are the differences of characters, etc?

[broken wadi]

Depends if they share certain properties or not. I'm assuming they'd all have things like health, energy/mana, interactions such as item pickup....etc if so then all that stuff should be created once on a base actor they can extend from.

But if they're all very unique meaning like one is a human, the other is just a ball that rolls around and has no health, and the other is like a flying car....then no they don't share anything.

[hardy wave]

Abilities, models, sounds, all that stuff. Just the general controls and movement is the same.

[undone sequoia]

guys i need ask you how i can make bluprint with light like this in game? i am trying max set my light but cant do something similar to this reflector any tips?

[broken wadi]

use a plane with a masked or translucent material to make a light shaft

[undone sequoia]

so spotlight is not good way?

[broken wadi]

spotlight just adds light to whatever it reaches, there is no lightshaft by default

can also do them like this: https://dev.epicgames.com/documentation/en-us/unreal-engine/using-light-shafts-in-unreal-engine

but you need a light source behind something that partially blocks it like a tree

or u need a volumetic fog like this https://www.youtube.com/watch?v=Kjg6kCW2BtY

[undone sequoia]

okay thanks i will check

[mental rampart]

what does the v. mean?

[broken wadi]

local variable (only exists in the function)

[mental rampart]

if i change the contents of an IMC that's put into a local variable, will the changes propogate elsewhere?

[broken wadi]

if you need to use that variable elsewhere just use a normal variable and not a local variable

[mental rampart]

how do i change it away from a local var?

[broken wadi]

just make a new variable and delete the local variable

[maiden wadi]

It also depends on how you're managing your separation of concerns. But to generally lay out how I would go about it.

Each character should have it's own data asset. This houses anything you need to set this character up from pure data so that you can enable and disable stuff quickly while testing.

DefaultAttributes
DefaultAbilities
GameplayCharacterClass

GameplayCharacterClass should be the class that it would spawn in. B_SuperCoolDude for example.

B_SuperCoolDude inherits from B_CharacterBase. CharacterBase here has the inputs for lateral movement and looking around or whatever else that isn't an "Ability". As an example Jump may not go here as it should be considered an ability in a lot of cases, similar to a dash, or attack, etc.

So you have a DataAsset like...

DA_SuperCoolDude
Attributes
Health=300
Stamina=100
Abilities
GA_Jump
GA_CoolMove
GameplayClass
B_SuperCoolDude.

You can make spawning code instantiate characters from the data asset's data. Spawn the gameplay class, set the attributes, grant the abilities.

At this point you have the core structure. Now SuperCoolDude can be given a mesh, and some helper components if needed for his special ability sets(if these are shared they can also go in the parent) But largely you have a special character, with a special set of data that one designer can work on in isolation without bothering other people's work.

The sounds and affects are based on context. If SuperCoolDude has aspecial particle trail that follows him at all times, put it in his BP. Meanwhile anything related to abilities goes in them(Or Cues in GAS).

You get isolated characters who won't trample on each other and can be hand designed for even minute details. And you'll end up with less bugs in general due to the isolation. Plus with the data asset method the gameplay class and abilities can be softrefs. So you can keep all the DAs loaded and simply not load the heavy stuff.

[broken wadi]

Nice super cool explanation dude! 👍

[rose citrus]

I have several box collisions in an actor for different things the player can interact with. When they click on a box collision, it runs an interact event and returns the hit component. Instead of doing multiple branches to see if the hit component is equal to each individual box, is there a way I can use something like a select? All I can think of is branches for each component, maybe in a pure function that returns an Enum and then do a Switch On

[opaque wagon]

first what come's in mind - enums, and switch via enum.
or justu se branches+bpi.
and store code what exactly to do in actor with whom u interact.
Like for example :

1. interaction system.
   in lower branch i've called bpi Interact.
   and for if it's for example chest -> i have this code (screen2)
   if it's door -> interact will open door
   and etc.

but u still can do switcher with enum i think, but if project going bigger -> hard to mainaint i think 🤔

ah sry. 1st screen is bad.
This one is how it works rn.
And in character i simply have screen2.

[woven sky]

hey i have this code and when im playing its pop up this errors :

Blueprint Runtime Error: "Accessed None trying to read property CallFunc_Array_Get_Item". Node: Set ALL_X_VALUES Graph: EventGraph Function: Execute Ubergraph MY GAME STATE BASE Blueprint: MY_GAME_STATE_BASE
Blueprint Runtime Error: "Accessed None trying to read property CallFunc_Array_Get_Item_1". Node: Set ALL_X_VALUES Graph: EventGraph Function: Execute Ubergraph MY GAME STATE BASE Blueprint: MY_GAME_STATE_BASE
Blueprint Runtime Error: "Accessed None trying to read property CallFunc_Array_Get_Item_2". Node: Set ALL_X_VALUES Graph: EventGraph Function: Execute Ubergraph MY GAME STATE BASE Blueprint: MY_GAME_STATE_BASE
Blueprint Runtime Error: "Accessed None trying to read property CallFunc_Array_Get_Item_1". Node: Set CLOSEST_PLAYER Graph: EventGraph Function: Execute Ubergraph MY GAME STATE BASE Blueprint: MY_GAME_STATE_BASE
Blueprint Runtime Error: "Accessed None trying to read property CallFunc_Array_Get_Item_2". Node: Set CLOSEST_PLAYER Graph: EventGraph Function: Execute Ubergraph MY GAME STATE BASE Blueprint: MY_GAME_STATE_BASE
Blueprint Runtime Error: "Accessed None trying to read property CallFunc_Array_Get_Item". Node: Set ALL_X_VALUES Graph: EventGraph Function: Execute Ubergraph MY GAME STATE BASE Blueprint: MY_GAME_STATE_BASE
Blueprint Runtime Error: "Accessed None trying to read property CallFunc_Array_Get_Item_1". Node: Set ALL_X_VALUES Graph: EventGraph Function: Execute Ubergraph MY GAME STATE BASE Blueprint: MY_GAME_STATE_BASE
Blueprint Runtime Error: "Accessed None trying to read property CallFunc_Array_Get_Item_2". Node: Set ALL_X_VALUES Graph:

can someone help me?

[opaque wagon]

fast fix - add validation

[lofty rapids]

players is empty ?

when do you set players ?

[opaque wagon]

u call players -> but ur arrays isn't filled yet.
so u fire event before the players are created.
2 ways :
-> add validation nodes (is valid)
-> rebuild ur bp.
For example add Regitration of players , instead of hard finding via index.
and add some checks like if Players Lenght ==0 - end

[lofty rapids]

number of players should players->length

[minor dagger]

https://youtu.be/nNwVpM6n54A

I just found out about this and wanted to share it! Did you already know?

[maiden wadi]

It's a very useful feature. I hate reroutes, so I like it.

[rose citrus]

I have a camera in a car for a first person view, and when I possess the car, the camera rolls when I look around with the camera. The input for look sets the pitch and yaw of the spring arm through add local rotation and I keep roll at 0. I have no clue then why the camera rolls around when I look

[maiden wadi]

You would need to provide code for a clear answer. But the general reason for that is that you are manipulating the camera relative to itself.

[rose citrus]

Its just this to control the camera.

[maiden wadi]

Yeah. This is affecting it local to itself.

Picture that you look at the horizon. You look up bny 45 degrees. Now you look "left". You want it to be left relative to the original horizon view. This is looking left from the current view.

[rose citrus]

so a way to cheat it would be after add location rotation, get world rotation and set the roll to 0?

yea seem like that works

[maiden wadi]

What I would recommend for ease is to simply get the current rotation of the spring arm. Then set the new rotation.

Then regardless of what happens your roll is 100% always explicitly 0.

[pulsar hazel]

is there an ui focused channel? I need help with some UMG stuff

[past compass]

in a blueprint when using HISMs in the viewport, is there any way to tell what instance of that HISM you are selected on?

[past compass]

#umg

[stray crystal]

So i am working on a turn manager that allows people to join later and have varing player speeds but i keep getting inf loops here and It worked with Player Character by itself but as soon as i added the AI Character it loops

I was wondering what would you do to fix inf loop

AI Character with speed of 5
https://blueprintue.com/render/p4_x_i7a/

Player Character with speed of 3
https://blueprintue.com/render/fhaoyj2d/

Turn Manager (Main area with the looping code)
https://blueprintue.com/render/720pl1o2/

[lofty rapids]

this is recursive madness, no ?

it looks like your calling the function from itself in the end of most paths

ok so it's each instance

this is too much

[stray crystal]

yeah so it can then cycle to the next turn till it gets to the player

[lofty rapids]

what are you trying to do ?

your calling this function way to much with it at the end as well

[stray crystal]

topdown turnbased dungeon crawler for phones

[lofty rapids]

ok so you want turns

this should be done with events, or functions that you call to change state

like an integer 1,2,3,4

and just inc on next turn

you don't need all the loops

[stray crystal]

so i should compress the end parts with functions that can path instead of leaving them out like that?

[lofty rapids]

this is multiplayer ?

there should be a replicated variable that holds the turn

and you can watch for changes or use setter functions/events

maybe on tick you can check whos turn it is, if its your flip a boolean

[stray crystal]

I could try that just i had my last game have lag issues and deturmined i used too many ticks so trying to avoid that this time

[lofty rapids]

ya events then is the way to go

i don't know how that would work on multiplayer

but you would broadcast an event i would imagine

that is like player change

that passes the player whos turn it is

then that player can move others can't

[stray crystal]

kinda how its working just using the message systeme instead of events

[lofty rapids]

well your overcomplicating the turn system i think

imo you can do this much simpler then what you got here

it's a bit much i didn't even look at what its all doing i just think this is a simpler problem

[golden echo]

Where's a good place to ask about the new gameplay camera system?

[stray crystal]

fair, i wanted speed setup so if a player charter is super slow it would show in the turn controller so had it updating the integer once per turn to see whos turn it was the once one reach zero would summon the player to move

[lofty rapids]

you could even make this an interface function instead

but this is just an idea

then you would loop through the players

and call changeturn

on each one

[stray crystal]

oh and have it run on each player/AI and not a single large script

[lofty rapids]

how many players ?

[stray crystal]

well players are 4 but including ai i am hoping to have some swarm style enemies so 20-50 i guess

[lofty rapids]

thats not too bad

50 or so

thats still a bit much imo

but you can probably do it in blueprint

but i would ask #multiplayer

if there is a broadcast event

so that you don't have to loop at all

and you can just send the event to every player

[stray crystal]

yeah ill try that

thank u

[topaz goblet]

Is there a UI component that allows an icon at any position?

I want to be able to have a UI of a 'bag' or something users drag / drop items into it. Those items will be images (texture 2d), but I want the icon to remember what position it was at in the bag. If anyone played something like Ultima Online... similar to that. I see canvas allows anchoring an positioning anywhere.... but, I have read over and over to avoid canvas..?

[next hollow]

Canvas

Canvas is bad, if you use like 50, sorta deal.
Since, some people see it as a required base for widgets, so like child elements on a scroll box have a canvas in each child.

But, 1 for HUD, and 1 for a weird bag UI, not gonna kill your game

[opaque wagon]

scroll box / wrap box. at create "stack" logick.

sec

u mean logic like this ?
Like if u put item in enventory -> and it's same item it create stacks?
Sry i didnt play ultima(

[topaz goblet]

NP, thanks! I have / had a grid setup. It sounds like Canvas is the way to go for the bags. I wonder what happens if someone puts bags inside bags, inside bags and opens a bunch... hahah! Problems for future me to worry about! haha

[opaque wagon]

it's rly about creating childs from "big" bag.
Like on WoW.
And just have bigger array. That's all i think 🤔
cos will implement same thing soon

[topaz goblet]

I guess if I really hated myself, I could do a base 'bag' image, and record it's location, and all it's children (items inside). Use single canvas and when a bag is clicked, open it's image, then put all the children on top of it with child offsets.....

Who knows.... hahah! fun stuff to solve

[opaque wagon]

i think it's just Drag&drop operation.
if u D&D on bag -> use add item to array of item slots of this bag.

[topaz goblet]

https://www.youtube.com/watch?v=t1ECs7CfPNE

This is the video I'm following, in addition to:
https://www.youtube.com/watch?v=A8nSGK0mXBM

Great videos! Doing a little of both, but using them as reference.

[opaque wagon]

i've tried 3 times use videos of Rayan Layle -> but what i can say.
All this tutorials it's just for learning purpose, in real projects 70% willn't work properly.
So i've decided to write my own inventory/equipment system ^^)
and rn it works perfectly 😄

[topaz goblet]

haha, yeah, I don't ever follow them exactly. Just utilize the videos to try and understand underlying engine mechanics. Especially around UI / blueprint stuff.
I normally write in C# and Godot. haha. And before that, utilized Unity. But, thought I'd round out my learning / experience with some Unreal Engine and blueprints. So far, they're pretty cool!

[opaque wagon]

understand u0)
I've started my journey with fast mobile tower defense game in unity c#:D

yy< but anyway u need learn C++ ^^) for deep diving. it give's more control

[topaz goblet]

I know C++ pretty well and use it in daily work. But, was more just curious about blueprint capabilities especially for team members that aren't as well versed in programming.

[opaque wagon]

oh. HAPPY MAN!
I envy you!

[topaz goblet]

Although, I very much prefer C#. haha. Lots of features and stuff I like more.

[opaque wagon]

^^) i only know little bit c#.
cos in my daily work i dont use any code(((
but soon hope will start learning c++ with GAS system

[topaz goblet]

You can do it!

[wheat zodiac]

Is there a way to mark a PCG actor (spawned via blueprint script: Spawn Actor of Class) as part of the PCG? I know if you use the PCG nodes for "Spawn Actor" it'll delete when PCG is cleaned up, but I need to do it manually in Blueprints instead.

[maiden wadi]

I would probably move that to #pcg-framework , you're more likely to get a better answer there.

[opaque wagon]

as i know - u cant.
Thats why in BP ppl create spawn pools.
u just can bind cleanuppool event to PCG .
when PCG clean his stuff -> u also clean ur spawn pool .
But not sure about it. Just thoughts

[drowsy lichen]

BP all day until that one function I need.

[faint pasture]

Have an ordered array of the things who's turn it can be (Pawn, PlayerState, Whatever)
Have a replicated repnotify ref for ThingWhosTurnItIs

[bright jackal]

How would you manage a character spawn after begin play (create actor) with all the references behind such as the camera manager(called at the very beginning with the Controller)/ WDG and other stuff that can call a specific character at start ?
Also, my "Actor manager" create select one actor between 2 (both are child actor ) and I have to switch characters when needed
Meaning I would lost the references 🥲

[faint pasture]

switching character should be possession so you can use that for the "when" to update refs

[thin panther]

I feel obligated to mention the community plugin UnrealSharp which adds C# scripting (I don't think it's prod ready yet, but I think it's getting close)

[topaz goblet]

Thanks! I saw it and considered that as well. It looks great, but similar feeling about not being prod ready yet. I'll probably play with it a bit more when I get some more free time.

[pearl pollen]

Did you figure this out?

[maiden wadi]

It's likely in the InputAction or the InputContextMapping. It needs to be given a Pressed trigger.

[pearl pollen]

I basically copy and pasted the blueprints over from the example and into a new blank project. In my new project simply clicking works. But in the example it doesn't. for educational purposes I was trying to understand why it's different

[maiden wadi]

It's hard to say without seeing the input node code, and the IA and IMC.

[pearl pollen]

They are both boolean with no triggers

[maiden wadi]

That makes sense if the code is the same as above. No triggers means it'll spam the Triggered output while the button is held.

[pearl pollen]

honestly i dont see the difference but they work differently

[chrome zephyr]

Hi there, new here, I am creating a product configurator and is having trouble getting my variant manager to work on UI buttons. In player controller blueprints under “create widget” node, I am unable to connect the level variant set actor to the “variable ref” as you see in the image. When I do it on level blueprints and drag the variant set actor it works but not in player controller blueprints. Any help would be greatly appreciated!

[lunar sleet]

What is a level variant? Also please use win+shift+s or print screen to provide proper screenshots

I’d also recommend using better naming for a variable than “variable ref” 🙂

[spark laurel]

Hi! I have a question related to JSON or txt , is there a way to read a file ? Im doing it , and I have it working on editor, but on packaging, if I change the file, it doenst updates the value

For example I have it on content folder / Config / file.txt or file.json

[celest lotus]

try using it from outside the content folder and after packaging copy that folder in the build folder too

[desert veldt]

Hello there,
i would like to improve my AI perception system for an RTS Ai but i am not sure what the best method would be.
My goal is to have a units sight radius be impacted by trees and bushes in its path depending on how much (approximately) foliage is in the way.
This should preferably be modular so i can adjust "sight strength" and "unit stealth", for different units (so some units are less affected by foliage blocking).
Any ideas?

Black dot(Pawn), Grey circle (sight radius), Dark blue zone (sight blocked by structure/foliage), Light blue zone (sight reduced by foliage)

[spark laurel]

Hi Shankie! So it worked, only if i put it in C:/test/ , or a folder more easy to access and defnitely shorter, it works, but yeha, it sucks to have to do that and not be able to have it inside the build... because is an extra step... that I really would not like to do

[celest lotus]

Idk how to make avoid that either. If you find it please share thank you

[spark laurel]

thanks! I will! Its weird because I made this process before , for videos, you make a folder , called movies , and inside put the videos, and unreal engine gives you the deploy with the video inside (never try to change the video in release though)

[chrome zephyr]

Level variant set actor is a blueprint that allows you to change materials or mesh which is what we need in a product configuratior.

https://youtu.be/VHQdS3QnMow?si=fgSx5jOiw_jxG6pF

[faint pasture]

How many units we talking about here?

And do you need to visualize the FOV?

[desert veldt]

Quite a lot of units. Like 50 at the minimum and up to 150+.
I do not need to visualise FOV all the time but a button to show it for a specific unit would be great

System doesn't need to be pixel perfect a rough (~1-2m) estimation is fine

[faint pasture]

So there's 2 approaches that pop into my head, either maintaining a vision field (often used in RTS games as fog of war), or just on-demand calculating visibility of targets.

Sort of "I can see this 2d area" vs "I'll check if I can see that guy"

at 150+ units you're in C++ territory either way, but I'd probably start with the 2nd approach

How far is the vision limit?

[desert veldt]

far like 1000- 1250 m

[faint pasture]

yeah that's far

[desert veldt]

yeah its supposed to be viewed at fairly long distance

[faint pasture]

What sort of resolution do you need, is this on a grid or fully free movement?

[desert veldt]

Its fully free movement

[faint pasture]

yeah this is gonna be really hard to get performant

real-time movement I take it, not turn based or anything?

[desert veldt]

yeah its real time

I am currently fine with that many units but lots of heavy stuff is still not implemented

[faint pasture]

So let's assume 100 units, 50 per team. Assuming you don't care about visibility of allies, that's on the order of 2500 vision calculations to update (50 x 50)

[desert veldt]

yeah that is a lot

[faint pasture]

It'll have to be C++ for sure to update at any decent rate

[desert veldt]

but maybe i dont need updates to often

like not every frame

[faint pasture]

What's the representation of unit and other things positions? Like, what is a tree/grass in your system? Are these units all full Characters?

For reference this is what I got going on, been working on a tactical LOS system for a while

[maiden wadi]

If it's not networked, niagara is an option as well if you're not wanting to C++.

[desert veldt]

Half of the units them are character based, the other half simpler pawns.

[faint pasture]

Like units existing in niagara?

[desert veldt]

trees are actors

[faint pasture]

gameplay stuff as particles is actually pretty lit now that I think about it

[desert veldt]

Have not touched niagara much exept for effects

[faint pasture]

Is the stuff you care about for vision represented by actual collision geometry in the world?

[maiden wadi]

Sort of. At least I know you can get some really performant BP Only fog of war going. Ghislain Garidot has a presentation on it. I'm not 100% sure about working in the obstacles. Niagara does have tracing calability, so maybe?

[desert veldt]

Yes i have a simplified collision mesh

[maiden wadi]

Lol.. Apparently dude has a talk on sphere tracing for collision as well. Legendary.

@desert veldt Are you BP only?

[desert veldt]

Mostly, i have done some stuff with c++

[maiden wadi]

No multiplayer?

[faint pasture]

OK here's how I'd do it for first draft, and this is pretty much C++ territory I'd think. You can get it to work in BP but not at hundreds of units.

Have some thing that knows about all your units.
That thing should, per frame, do some amount of tracing from a unit to any other unit it'd care about. You might not want to do all units per frame, you can instead do some fixed count or auto-tune to frame time.
Since your vision field is so large it might just make sense to trace to all enemies. Cook up some sort of score based on distance, sight strength, and what (if anything) you hit along the way

[desert veldt]

Not currently but i might add 1v1

[faint pasture]

You can do a few thousand traces per frame but that'd very much depend on the complexity of the potential collisions they'd be tracing against and the trace distance.

[maiden wadi]

Well, for the networked one I will say you 100% need C++ for some threading most likely. Server needs to know ever player's point of view for critical things. You'll waste a lot of gamethread time on that without threading.

At the very least I would still check these out because this guy's Niagara stuff is amazing.
https://www.youtube.com/watch?v=exJqcDWgz00
https://www.youtube.com/watch?v=B4RRmXgwOhs

[faint pasture]

You could make your own abstract 2d game representation and do the tracing there with line tests, but even though it'd be simpler it might actually end up less performant than just line tracing as it's pretty well optimized.

Now imagine getting FOW to work with a computer literally less than 1% the perf of yours. That's Age of Empires.

[desert veldt]

yeah insane

[faint pasture]

although most RTS's use a grid-based system that's a totally different approach

[desert veldt]

i havent thought about a grid based system

how small are we talking about?

like grid size

[faint pasture]

I don't know if it'd be a good fit for your problem since you have shadowing

[maiden wadi]

Yeah. I wish I could do that. Plus they also had some issues. They only updated "changed" tiles, which is insanely cheaper. But they missed them sometimes. You'd have little black spots until a unit left an area and came back.

[desert veldt]

i dont intend to visually represent the FOW

its just something the units cant see

[faint pasture]

I mean you have directionally dependent vision

looker tree lookee

[desert veldt]

yeah

[faint pasture]

Although it might work.
The general form is that you have some visibility counter per tile. Whenever a unit moves, it increments the new tiles it can see and decrements the ones it can't

so the world is a 2d grid of numbers representing how many units can see a spot. if it's 0 it's hidden

depending on how often you're moving it might not be that much better perf, that's a LOT of vision checks

especially since your range is so high

[desert veldt]

yeah its a hard puzzle to solve

[maiden wadi]

That'd probably drown in BP with the tile updates at scale.

Depends on grid size though. But 150 agents is already a high number.

[faint pasture]

I did this in BP but it was awful
#blueprint message

ran over 100x faster moved to C++

[desert veldt]

yeah but im guessing its still to expensive for that many units at that range imao

but then again i dont need it visualised

[maiden wadi]

I'll have to do a real FOW system sometime. The one I made for work is region based. So.. Kinda like grids, but not based on locations as much as what region the agent is in. Which is optimized into a system that tracks their region changes. Even then we have.... Something like 300-4000 agents in a game based on settings and 54-400 regions.

It's super quick for a medium sized game. Probably 0.7ms-1.1ms. But it can go up to 4ms on the solver. So it has to be threaded to ditch that off of the gamethread.

[terse parrot]

Has anyone here successfully set up deep linking in an Unreal Engine 4.27 app for Meta Quest?
I want my app to open from a browser link (e.g., myapp://open/something).
I’m struggling with configuring the AndroidManifest (intent-filter, android:exported, tools:replace, etc.) because Unreal keeps regenerating the manifest on build.
What’s the proper way to configure this in UE4.27 (either through Project Settings or by overriding the manifest) so that it works on Quest?

[bright jackal]

Maybe if I bind those initialization when the new pawn is possessed 🤔

[faint pasture]

Exactly what I was saying

[pine carbon]

I am having an issue with this component I made. It is supposed to sphere trace in a radius around it and if it finds an actor with another instance of this component, call an event. On these cubes, that event makes it change color. For reasons I have not been able to figure out, this event only gets called when the cubes are very close together, despite the sphere trace clearly registering a hit on the exterior of the cubes. Any idea why this is occuring?

[hexed cosmos]

hi
why my niagara won't get destoyed from blueprint?
i tried destroy component,release from pool,deactivate
it just won't go away

[sick sky]

do you mean the system isnt going away, or that the particles are still showing ?

[hexed cosmos]

particles are still showing

[lofty rapids]

what does the print string say ?

[pine carbon]

When the color is changing, it says the names of the texture cubes, as well as floor. Otherwise, it just says floor.

When it's in this state, it's only printing floor despite visually registering hits on the cubes.

[lofty rapids]

whats the collision on the block ?

are you using the mesh collision ?

[lofty rapids]

and if they are apart its not green ?

the mesh collision may be smaller then the mesh ?

[pine carbon]

The green is just the color of the trace. That doesn't denote success or failure. The red dots are the hits.

[primal locust]

i need help please someone focus on my problem
i making the drivable car, i that i have use s button to brake and then reverse. in which i want that when i press s button for brake then first red light glow(Brake light) and when speed gets 0 and start reversing then yellow light glow(Reverse light). i have made blueprint that work for this condition but problem is that when i release s button the both light is still on.

[mental trellis]

please someone focus on my problem
Hmm.

[lofty rapids]

maybe on less than shut off the lights

[loud tree]

From what's available in your SS I would guess that you are turning them on when input is received, as shown the other lights turn on at <0 speed. But I dont see any code that turns it off when you release the button. You would need to run your reverse code similar to your handbrake code.

.

Does anyone have a modular way to regulate function calls within its own library.

Ie

Actor calls function from library, function runs x amount of times at x interval.

I know I could handle it from the actor, but im trying to avoid that if at all possible.

[mental trellis]

Use a subsystem?

[loud tree]

Im a noob. So reading up on this now.

[mental trellis]

Not sure they are too blueprint accessible. But if you didn't want an actor and still wanted to use the world timers, they'd be a good bet.

[loud tree]

I will have to check it out, the documentation for sub systems is rather lacking.

Im looking to make a counter that can persist through the calls more than a timer itself.

Similar to how a "do n" works.

Then again I could make the timer work

[mental trellis]

Probably gonna be timers at some level.

[loud tree]

It is, i was wanting to increment on 1 second timer calls x amount of times.

If a sub system persists and can be instanced per player, I can loop that 1 second and just check the time or validity of the sub system timer, I think?

[mental trellis]

Are you gonna have more than 1 timer per copy of the game? E.g. In a game with 5 players, each of those players has 1 timer for themselves and every other player?

Or is it just 1 timer per instance?

[loud tree]

1 timer per player

[mental trellis]

You can use a world subsystem. Or just an actor you spawn locally to handle that stuff. Or put it on the game state.

Or player controller.

Etc.

[loud tree]

I know, my back up was to was to put it on my world placed "control" actor. But I was trying to make it as a completely modular and agnostic library to be used easily wherever as plug and play

[mental trellis]

If you're looking to do a countdown timer, you don't even necessarily need a timer. Just set a time to start and have some sort of umg widget display the difference between now and the start time.

(or set an end time)

[loud tree]

Its not really a countdown.
Im wanting to run a function every 1 second, x amount of times.

Ie. I call and set (function A) to run 5 times. So it runs once per second 5 times. Then stops.

The function is within a function library, im trying to avoid using any code outside of the library to control how many times it runs.

I have one idea but it's very limiting.

[loud tree]

Umg worked for my use case without display, it just holds the counter in a function.

[glad sand]

yo, quick question. When I try to move a component manually inside blueprint, it works. But when the component is the child object, movement get weird and uncontrollable. Does anyone knows hw to fix this?

ok found it. It was a child component and for some reason, when I make another scene component inside the first one, it worked normally

[floral stump]

This still prints a valid AI controller!

what i'm doing wrong 😄 ?

the method is called by server in a character derived class possessed by ai controller

[floral stump]

SetLifeSpawn node works fine

[gloomy hound]

sounds like you need to remove the return node from your loop body, otherwise it's going to process the hit for the floor and exit out of the function before it gets to dealing with the cube

[astral mist]

https://tenor.com/view/you-stay-focused-mr-miyagi-the-karate-kid3-dont-lose-focus-keep-it-together-gif-24815237

[supple needle]

I'm trying to make a simple 2d endless runner game and one of the main issues that i'm currently facing is that the tiles never get destroyed, despite having a check if the tiles array length is greater than the max tiles. also for some reason, the spike tiles after the first few tiles spawned as a part of the execution of the event beginplay, just fails to do its job, which is to pause the game and show the game over screen, but the coins work just fine even after that. i have a box collision on the parent class of all the tiles that spawns the tiles at an arrow component. can someone please help me?

[opaque wagon]

so u always remove tile with 0 index. are u sure that it have always 0 index?

[supple needle]

why wouldn't it be? when the tiles have reached the max number, you'd ideally need to remove the oldest tile, which should be the one with index 0 and then new tiles can be added to that array

[opaque wagon]

did u tried remove index, instead of item?
and 1st remove -> then destroy
also , u have Collision Handling Override = Default , so if collision blocks spawn -> u got at spawn actor - > none , so destroy actor willnt work.
also u can try instead of maxtiles > 5 -> >=5
and around "remove" add sope print strings with array lenght and before Add -> is valid?->print string.
To see what happened.

[supple needle]

all these didn't seem to work...i just want to create a system where the tiles just keep adding by attaching to the arrow component of the last tile, which works i think. but for some reason the remove index just doesn't work as expected and the array length just keeps increasing as new tiles are generated

Also the spikes for the newly generated tiles don't seem to be working at all (doesn't show game over screen)

[dusky lily]

Ello
Trying to have a pawn (RTS) always rotate to the movement direction. I am using the "floating pawn movement" to so it doesn't do it automatically.
How would one go about such endeavor?

[stone cradle]

any one wanna join my team

[dense depot]

Hello, i need some help with getting attack directions set up based om mouse movement.
This is my current setup.
First is for getting mouse position and viewport size, the second is for determining the direction.

This works 'fine'. the problem that im having is that when the player has the mouse close to the center, the directions will always go to facing right. It is quite a big deadzone. The directions get even more janky when playing with the viewport size.

What would be the best way to determine attackdirection based on mouse position? Idk where to go with my current setup. I do want to have directional input (up,down,left,right). I also dont want to have a deadzone with a default direction, that doesnt feel good to play.

[maiden wadi]

Is this for a sidescroller? Trying to understand context.

Not side scroller with those numbers in the attack directions. Looks like a top down grid game?

[dense depot]

its a 2.5D game. inbetween topdown and third person. camera angles are like octopath traveler.

[lofty rapids]

when you run off the true, do the max tile check on that branch as well, because tiles are added and last tile is valid, so it never runs the destroy actor or the branch

but also just as a sort of heads up, load the tile after the current so it doesn't glitch like that where your on the edge and it appears

if you load the one after current, then it will look better imo

[stuck vine]

Your code looks good, except maybe that rotate vector, are you sure it does not trigger a gimbal lock?

I'd pass the non rotated vector for a try since it's not useful anyway

[errant raft]

does anyone know how to make it actually put the slot on the mouse cursor

it puts it in the bottom right

i dont know what kind of scaling its basing it off of

(ignore unconnected pin i took screenshoot before connecting)

[narrow sentinel]

Anyone know how to use actor transform ref thing at all ?

at the minute it's returning null even though the actor ref is valid

[storm solar]

I had to add a canvas pannel above common border for my controll inputs to work on certain buttons.
Because of that, now all of my widgets under the second canvas panel have been moved over. How do I put them in their original positions?
The common border did not have a XY size option until I added the second canvas panel.

[hardy elk]

I plan to import an fbx character and use animations from marketplace should I tick yes to import animations and would be exported time?

[jagged moss]

is there a fast way to add variables into the graph? i got a lot of them and i want to just drag all out at once or have a hotkey to add them in without dragging

also, is it possible to mark a lot of things in designer and add all the variables referencing those objects at once into the graph?

i found a better way to do what i wanted, but i still wanna know

[dense depot]

yeah thats what i had before, the problem sadly persists. the rotated vector is purely for when i rotate my player camera, ensuring that the attacks and animation still function properly.

the splitting into the 4 directions work fine as long as i stay clear from the center with my mouse. This unfortunately is not reasonable because players will also want to be able to attack closely to their mouse as well, for when a enemy is closeby. if it were deadcenter and i didnt properly react id be more accepting. rn its about 5cm of my actual screen (lol?) from the center of the viewport, which is very suboptimal.

if i play with viewport size in editor it gets even more wonky

[stuck vine]

Maybe check the coords with printstring or draw some debug lines

Or maybe disable smooth mouse but I'm not even sure what it does

[stuck vine]

You can copy paste variables and functions I do that a lot

[dense depot]

I figured it out 💀 .

it was easier than i thought

i used getplayercontroller -> getmousepositionscaledbydpi

i fixed it by using get mouseposition

the normal node

lol

[jagged moss]

I had a lot of them i wanted to add at once, i ended up setting up a for loop that check them as they are of the same class, but if they where not, could I add lets say 20 vaiables at once instead of adding each unique one by one?

[stuck vine]

Well you could copy, make up something in Notepad++ then paste but I'm not sure if it would be faster

Also the syntax is a bit weird

[dense depot]

I love being a Software Engineer. swapping between feeling that you write solid & efficient code and being smart, and also being an absolute primate sometimes

[lofty rapids]

your setting position to 0,0

split the struct

and feed in the coordinates ?

[errant raft]

i forgot i had to transform absolute to local

with mouse pos

cant just feed it mouse coords directly

[lofty rapids]

makes sense

[maiden wadi]

And the best part of it. The longer you spend writing code, the more you feel like the second one because you realize more and more and your smart zone you thought was expanding just shrinks.

[sand moat]

This is on my player death event. Any reason its not setting off the achievement when hitting highscore above 10,000?

[onyx gull]

I have a custom defined "building struct" to represent various buildings the player can build. I've defined a button class to read off the data from these structs, display the data accordingly, and allow the player to build a building when they click that button. Most of that functionality is working when I define the structs and buildings within each button but that sucks and is bad so I'm trying to set up a better way to store and edit the data. I made a data table class to store the structs, now I'm just trying to figure out the 'proper' way to have my buttons store/reference the right row. So far the best option I've found is to store a reference to the row, then lookup the row name within the table whenever I want to get the struct, then break the result of that. My main issue with this is that it feels way too convoluted to be the way Unreal actually meant for me to do this. I'm also a lil concerned about the "get data table row" technically returning a wildcard until break it.
Ultimately I'm just wondering whether the right way to go about it or there's a simpler way. It feels like there's gotta be a simpler way

tl;dr I'm trying to figure out what the intended/proper way of storing and retrieving a reference to a row within a data table, and whether the way I've found is actually how it's meant to be done

ig I could simplify the lookup by just caching it as a private struct variable on construct? I sure can't seem to find any other way to store a struct that matches up to the data table

[faint pasture]

row handle

[onyx gull]

as in the way I'm currently doing it? is there a better way of retrieving the struct defined by that row or do I just need to do that weirdly convoluted lookup each time (I'll probably cache it on construct, but still this just feels so weirdly convoluted to be the actual way it's meant to be done)

[onyx gull]

Hard tell without seeing the rest of your code but nothing immediately jumps out as the likely issue. I think the first steps I'd take would be to check whether your savegame ref and high score value are being read properly, and then look into whether the other functions are flowing in the way you think they are/should be. That is to say, just spamming a few print statementsor using debug mode to read the high score value, and when exactly it's forking into the other exec pins (the false pin on the branch, and the upper and lower pins on Cache Achievements)

[simple stone]

I need advice on how to implement the idea.
In my game, I need primitive liquids. So that they can be conveniently poured into a glass and poured out in another place. I do not need rivers or oceans, there will not be much water, from simple drops to a bucket, a small bath. I expect that I will be able to register water objects and take them, for example, when consumed by devices. You can physically dip a bucket into a bath, and scoop up liquid, and then pour it out in another place.

From the simplest, I came up with the idea of ​​​​representing the liquid - as spheres that have the material of "meatballs", this is closer to what I want, and you can easily determine the liquid for the operation of mechanisms, but ... it looks very glitchy. A lot of z-flipping and so on. Maybe in UE5 there are some tools that can represent many bp in the scene as a single object that can be drawn, depending on the number of points, so to speak, or something like that ...

[sand moat]

So just to say I am very new to all of this and I’ll check some things when I get off work. But I followed a tutorial for most of my games code and if I remember correctly upon looking at my save game, the high score variable is an integer set to 0. When the high score is increased, it is still set to 0 in the editor. So I’m not sure where the variable is actually storing the latest high score but I’m using the same get variable that prints the high score on the game over widget. But if for some reason my blueprint for the achievement is reading it as 0 that would make since as to why it’s not working

[storm solar]

Any idea?

[lofty rapids]

"for my control inputs to work" <-- you mean like, focus ?

wdym "certain buttons" ?

only some of them wouldn't work ?

[storm solar]

right, the ability buttons do not work unless the have a canvas -> common border format.

Wrapping it in a canvas moves all the widgets over and idk why.

[lofty rapids]

why do you need the inner canvas ?

[storm solar]

whats what i initially had and do not know what a good alternative would be.

[lofty rapids]

well if you put the canvas on the outer part

then take it off on the inner ?

see what it does then

and tbh i see two pictures that look almost exactly the same

i can't see what moved

[storm solar]

the arrow button moved.

[lofty rapids]

and which widget is the arrow ?

[storm solar]

abilityt button which is a common button base

[lofty rapids]

#umg might know more about it as well

[storm solar]

just doing canvas pannel -> common border does not let the buttons work either.

[lofty rapids]

so you have to do canvas -> common -> canvas ?

[lofty rapids]

does the arrow stay in the right spot ?

[lofty rapids]

wdym "buttons work" ?

[storm solar]

If i Do that it works but everything is moved over. If I remove the last canvas it does not work but the positions are correct. I've looked at padding and some position options.

[storm solar]

on click events do not fire

[lofty rapids]

try an overlay instead of a canvas on the inner one

[lofty rapids]

what is your common border visibility set to ?

[storm solar]

not hit testable self only and using an overlay squished all the widgets into one corner.

[lofty rapids]

interesting that an inner canvas stops it from working

what is the visibility on the inner one ?

not hit testable self only i'm guessing ?

change it to visible

[storm solar]

the inner canvas lets it work correctly. not having it breaks it.

[lofty rapids]

but having it inside breaks it you said

so it's just the location of the one thing that is a pain ?

can't you adjust it or is everything shifted ?

[storm solar]

If i remove it it does not work.

[lofty rapids]

try to set the common border to visible not non hit testable

with the inner canvas gone

[storm solar]

thats what the default visibility is.

[lofty rapids]

the default is visible ?

[storm solar]

my bad, its not hit testable by default

ill try visible

that doesent work either

[lofty rapids]

hmm

[lofty rapids]

interesting the button wont click without the canvas, are the visuals showing a hover and click ?

[lofty rapids]

also try mode ui only

[lofty rapids]

if the visuals are showing, try to put a print string on the actual click event, is the print string showing

it maybe clicking but the code is saying if i my parent is a canvas

[storm solar]

having the common border anchor be in the middle set the widgets in the correct space, but on click events do not fire. If the anchors are in the default position, the top left, they widgets are off but the event does fire.

if the offset is greater than 50 the on click events do not fire...
So, something is going on with the positioning that is effecting all of this.

[thin apex]

I might be in the wrong channel here. But I am trying to implement the motion matching movement in a project. I didn't change anything and just migrated the files from the GameAnimationSample project. For some reason, my character slides very badly when I go diagonal. I do no have much info because I do not even know where to start looking and for what.

[onyx gull]

Yeah it definitely sounds like your issue is with the variable being properly read/set. To be fair though, it is still possible that it is getting properly set since reading it "from the editor" can be a bit hit or miss (I'm not actually even sure what you mean by that other than debug mode). I'd recommend checking the value at various points in your code with print statements. you can have unreal print anything at any time as another function, and if you feed in non string variables, it'll usually cast it for you. You can also add some formatting to your string to help you keep track of what you're looking at.
Alternatively, the more proper practice is to use Unreal's Debug mode. if you click any given node that has exec pins feeding into or out of it, you'll ad a breakpoint (the red exclamation mark octagon in my photo shows that there's a breakpoint on that code). Now, when you run your code, the editor will suspend all operations when it reaches that point. This allows you to look around and see what values are happening around that point and where the flow keeps moving from that point. Debugging mode is a really involved feature and I'm not gonna write up a whole tutorial on it but I highly recommend looking up some videos on how to use it. Between that and print statements those are your bread and butter for any and all points you need to figure out what's wrong with your code.
All that being said, I'm curious how you got functions in your screenshots to have multiple out exec pins. I tried doing a bit of googling but couldn't find much. All I could find were to use UFUNCTIONS and/or macros, maybe those are UFUNCTIONS but they at least don't look like macros
Do you know whether your tutorial used any particular term for doing that (I'd be happy to just look up the term)? If you don't know could you lmk what tutorial you're using so I could see for myself?

[zealous moth]

how do you cap a max and min value other than using clamp?

[onyx gull]

I'm not sure there is any way other than using a clamp, or just subsequent max and min values. If you're just trying to cap it to a maximum or a minimum, then the individual values can be useful, but if you need to do both then it effectively works the same way as using a clamp (the only difference being that it's messier).
Why are you trying to avoid using a clamp?

[untold sapphire]

Hi peeps,
From the toolbar option 'Windows' dropdown you can have up to 4 of a window type for some categories like outliner or content browser for example.
Is there a way to make like ex: window1 vs window2 show different information? I notice when you change anything in one window the second window mirrors it. Which doesn't seem that useful.

[jovial steeple]

This screenshot seems to be an incorrect example, the MAX node will:

1. Take in input A
2. Take in input B
3. Check input A and B. It will output whichever one is bigger.

if:
Input A = The current amount of gold. (EX=40 coins)
Input B = The maximum allowed number of gold. (EX = 999 coins)
The MAX node will output B. This means that CurrentCollectedGold will be set to 999. The max node always returns the bigger number of the two inputs.

The minimum node will do the opposite, outputting the smaller of the two values that are plugged into it.

Have to remember that the MAX and MIN nodes work backwards to how you'd expect if you are trying to clamp a number with them.

[onyx gull]

Good point ty, Tbh I just threw the example together pretty quickly (and evidently sloppily) so ty for correcting my mistake

[faint pasture]

Clamp is what you use. Anything else is just reinventing clamp

[thin panther]

I'm not sure if all windows have the option (I know the details panel does) but you can click the lock icon to lock it to freeze it

It's definitely one of the clunkiest parts of the interface though imo

[faint pasture]

Anyone talking about max and min nodes is just reimplementing clamp but slower

[jovial steeple]

lol

[proud magnet]

Anyone got some advice for how I could accomplish this?
https://forums.unrealengine.com/t/forcing-unlit-black-material-outside-of-scenecapture-frustum/2652277

[zealous moth]

I was thinking from the gpu side with ceil and floor

then again they got min/max

but yeah, you're right

[stuck vine]

Basically you want a light with same geometry than camera?

[proud magnet]

I'm looking to have everything within a certain camera view lit, and everything outside that camera view black

[jovial steeple]

Ive done similar using a post process material. You could pass in values such as the cameras position, rotation, aspect ratio, and FOV. You then calculate the view area and mask out the rest as black. Id imagine you could pass dynamic information into the material during editor mode, but I wouldn't be exactly sure how. Not sure if you can just make a dynamic material instance, or if things like parameter collections work during editor?

I used a custom depth mask once to do this kind effect once, even during editor. The post process shader just masked out everything that didnt have a custom depth drawn to it.

Had a cube in the world which drew itself to the custom depth buffer.

you could manipulate a mesh which represents the view frustum and have it draw custom depth haha. That is if you cant just make a dynamic post process material in editor.

[proud magnet]

Thank you for the detailed response! I'll definitely look into dynamic material instances for this.

[jovial steeple]

I lied, im litteraly using in editor dynamic materials for my mountians right now.

You can do that.

[jovial steeple]

Id imagine youd make a subclass of the camera actor. On its construction script, it would make a dynamic material instance of the MaskOutViewArea post process material. It would add it to the world possibly with just a post process component on the custom camera actor. Youd then pass in a bunch of parameters about the camera. The post process material would use some vector math to calculate a view frustom mask. It would just use a lerp to make everything outside that mask appear black.

[proud magnet]

This is a lot to take in though makes a lot of sense. As a UE beginner I asked chatgpt (i know i know) about it. How much of this is hallucination versus actual advice? https://pastebin.com/Epus1h35

I'm disecting what you said and trying to think how to structure it blueprint wise...

[jovial steeple]

tbh thats alot and im not trying to read it. Not that invested. I wouldn't be able to figure out the math / be able to validate it without just opening up the material editor and spending some time doing it. But not that invested haha sorry.

just being real 😿

[proud magnet]

No worries I totally understand. Thank you for all the help regardless this puts me in a really good starting spot!

Will be delving much deeper into DMI's

[drowsy lichen]

This is a save/load system I made but its not working, can someone help me what Im doing wrong?

[lunar sleet]

For starters I would prly save before opening a new level, not after. You’re basically destroying the world and then saying here save this

Also I’d be curious to see what On Death actually means here, are you destroying the actor before running all this code?

[drowsy lichen]

on my character BP when health gets to 0 or less

then I have it to reset on begin play

[lunar sleet]

Swap that sequence order and go from there

Use print strings or breakpoints to see where the code is actually going

[drowsy lichen]

is it because I use open level, I shoud use load level like I have on Begin

[lunar sleet]

Save before you open the level not after

[drowsy lichen]

like this? the prints come up when I want to but its not updating my coin.

[thin panther]

because you've not told it to. Read your begin play
Load Save -> Set Coin Value in Save to Coin Value

You want the inverse of that, and to set the coin value to the one in the save game

[drowsy lichen]

I got it, yes I was setting it wrong

thank you guys so much, This is my first time doing save/load

[jaunty star]

In my blueprint, I added a custom event to randomly shuffle the index of the NPC Spawn Point, but it didn't work. Can anybody help?

[lunar sleet]

Spaghetti everywhere lol

[drowsy lichen]

to get rid of the spaghetti I would promote to variable and use the variable 😄

[jovial steeple]

It looks like you are attempting to shuffle the spawn points to make spawning feel more random. You can use the Shuffle function to simply this process.

[lunar sleet]

I mean he’s already done the first part, just needs to GET it

[maiden wadi]

Arrays passed to events are const.

[frosty heron]

can only guess with little information given but it looks like a classic case of the animation translating the root.

You can check this by checking the capsule collision as you play. Play in editor -> Open console ~ -> Type show collision.

if the character moves outside the capsule, then that's your problem. You may try ticking force root lock in your walking anim, that may fix it or not depending on how you handle movement.

[thin apex]

when moving diagonal forward left or right in UE5 using the motion matching system - the character slides out of the capsule component (yes there is no animation and literslly slides) and then snips back and plays animation. I tried debugging using the rewind animation debugger for motion matching and I see while the walk animation and during the slide it plays the pivot animation.

I didnt change anything and just migrated the GameAniamtion Sample project and it was working last weekend but today this just started happening.

The capsule moves properly and independant from the motion matching (using chaarcter movement component) and the animations are all force root locked.

[frosty heron]

I see, well I know nothing about the new feature. Maybe #animation have some ideas.

[thin apex]

Yes - thank you. You're right, this sounds like an animation problem or the motion matching system not selecting the appropriate animation in time and temporarily playing the pivot with a forward diagonal trajectory

[frosty heron]

No idea what happend under the hood in Game animation sample but if you said it was working last weekend, maybe you can revert with source control

all the best though, hopefully someone knowledgable with Game animation sample can give their take.

[thin apex]

Yeh XD already tried reverting. Thanks 👍

[jaunty star]

Cool! I didn't expect the solution to be so simple. I also encountered a bug in my player model. When the player becomes a ragdoll, there is an offset on the head model. But such problem only appear in player, npc with same body and head model do not share this bug. How can I solve it?

[jovial steeple]

I am not sure, I have never used ragdolls before.

[olive crown]

So I'm currently trying to get this spaceship to hover off the ground once I turn flight off. I'm trying not to use physics and simply take their current distance and move them gently up to the desired hover point, but whilst I have this code, and it does get there, it becomes EXTREMELY jittery when it reaches that point.

Is there a way of adding force, or upward movement to my ship, after the line trace is hit, without using physics that doesn't result in jittery movement

[drowsy lichen]

add actor offset?

but it has to be in a loop

does add input work with an axis range

if its a characterBP

[steady night]

Hi how do i set new vecolity towarsds Targets(random) location ?

[violet bison]

I'm trying to make a molotov ability, but the collision seem to function weirdly
if anything appear after it started cooking, it does damage
but in the video the second molotov started after the targets spawned, and it didn't damage them
(it does cook players anyways but it's not consistent on other objects)

FYI the collission is set to complex

but once I used UE's default cylinder it suddenly works fine
are imported meshes unusable at making collision boxes?

[full badge]

complex collision isn't usable for collision boxes

[crimson briar]

Instead of dividing, use the Direction node. This will give you a Unit vector - multiply it by a big float depending how fast you want it, then set it. Although I'm not sure if this is the best way.
You might consider rotating the projectile towards the target first, then add velocity by getting the projectile forward and multiplying it - especially if the bullet is slow and/or has a shape other than a ball.

[trim spoke]

hello, i need an advise, i'm new on unreal and i try something but how i can do my character grab border of wall for re jump ? ( sorry my english is bad)

[azure smelt]

Ledge grab? Download some projects that have ledge grab, parkour stuff, copy the blueprints, understand them, search for videos on ledge grabbing. There is always more than one way to do things.

[trim spoke]

I see, right now I’m watching a video that explains how to do it, thank you.

[lofty garden]

Hello guys, I am using a Physics Handle to grab a box, but when I push it against a wall, it goes through it, how can I prevent this from happening?

[sand moat]

So first off I’m not sure how to use unreals debug mode but I should probably look it up lol. This is my first ever game so I’ve still got a lot to learn. However I did manage to find a solution to my issue. I’m not sure why it worked but it worked. Rather than checking my high score variable which is an integer which sets the high score text on the widget and lives in the save game, I instead switched it to check a float variable called score which exists in my game mode. And magically the achievements pop upon dying and hitting at or above said score. Also I’m not sure what you mean by how I made my functions have multiple out pins. They just came that way when I put them on the graph. I know sometimes dragging off of another node rather than just searching it off the graph will cause it to be different in some way depending on which one. And as far as the tutorials I used a tutorial series for most of my game functionality but, I used a completely different tutorial by different guy for the achievement code. Which one did you want to see?

[onyx gull]

Realizing now that the cache achievements code is just one that comes with unreal 😅 I thought that was one you/the tutorial defined for this. If you still send me the achievement tutorial that'd be appreciated.
Also, you can enter Unreal's debug mode by just entering a breakpoint on any node, and unreal automatically starts debug mode once it hits that code

[simple stone]

Hi guys. I have a plug for a socket that we will connect. It turned out that the base point of the plug is at the bottom. However, it needs to be connected with the other side, and held in the physics simulation by the other side. I use "PhysicsConstraint" for holding. Ideally, the plug should first be correctly positioned in the world, after which "Set Constraint Components" should be done. I don't have much experience, what is the correct way to do this? Also, I remind you that you need to hold it not by the base but by another point on the mesh. I don't know how to act

[verbal parrot]

Just need to let the box simulate physics I'd think

[lofty garden]

It is already simulating physics

[simple stone]

I have a socket - or a notional point on the mesh. I want to move and place-rotate the mesh as if this point were its pivot point, and not its true center point.

Is there a way to do this without complicated mathematical calculations?

[maiden wadi]

If you have a socket, and you attach it to that socket, it's local space will be related to that socket. Which should make your math much simpler.

What is the actual use case though? Rotating around a socket is pretty vague. Lots of options depending on what you need.

[floral stump]

these settings works in shipping build?

[simple stone]

I applied some vector transformations and it worked for me. No help needed.

[cyan wren]

nice!

[simple stone]

Unfortunately, another problem arose. I created a prototype of the plug and debugged its physics. Now when I hook it to the transformer - thinking that everything will work, PhysicsConstraint lives its own personal life. I can drag the transformer with the cube far away, but the physics calculation will be where the transformer was at the beginning. What to do? I do not want to edit each device in the game manually for this I made a separate power supply with a plug

[next jungle]

How are you meant to set variables in a GameplayCameraDataTable or VariableTable in 5.6? The system seems to have changed and "initial variable table" referenced in this tutorial isn't there anymore

https://dev.epicgames.com/documentation/en-us/unreal-engine/gameplay-camera-system-quick-start

[thin acorn]

Is there a trace that can tell it's completely within a mesh rather than only checking surface collisions?

[sage lagoon]

After a whole month, I have finally finished making most of the battle mechanics for a turn-based RPG. I've posted a new reply with the request for help in that reply.
https://forums.unrealengine.com/t/when-is-it-my-turn-rpg-turn-order-question/2599980/37

[lunar sleet]

A trace generally stops checking as soon as it’s hit the object. However, if you have a mesh with 3 other box collisions for example, you can trace on a channel that ignores those box collisions

Depends on what exactly you’re trying to do tho

[gloomy hound]

Coincidentally I ran into exactly this just yesterday. The way to do this now seems to be to use interface parameters (I think the window for this is hidden by default)

you can get it to show via "Window" - "Interface Parameters" and any parameters you add can then be changed per instance of the camera rig asset

so select your gameplay camera component (or actor) and below the camera asset that you've selected it should show these parameters and they can be overridden

if you need to set them programmatically that's a bit more complicated, let me see if I can get a screenshot when I'm back at the screen

quickly recreated this from scratch, so the parameters and input are dummies, but this should work (this is in the camera director evaluator)

sorry, maybe this will work