blueprint

[faint pasture]

why is only 1 other barrel getting hit?

[queen ore]

if the radius of damage is reaching the guy and the fatherest barrel shudnt it affect the others ? like atleast the ones close to the guy

[lunar sleet]

probably not if the inner radius is exactly the same as the outer radius?

you're drawing an empty circle not a full circle

least that's how I compute that

[faint pasture]

oh maybe

I thought inner and outer were for falloff

i don't use the radial damage, I just do a sphere trace and damage the things

[shut quarry]

why is this failing? The socketname is correct, the target is the actor who has a skeleton with the socketname, and everything else should work on its own

(prints false)

okay ive made some progress it prints true, that I've grabbed it, but uh my characters tps to a position on the map

and my event graph

please let me know if you need any other information im lost rn. Essentially this is a function to pickup an item. And essentially i want that item to attach itself to the player's hand whent eh function is called

[graceful sage]

Try changing location and rotation to snap to target

[charred cobalt]

hey everybody when i change levels my int variable resets to its default value is there a way to save it as its current value while changing levels? thanks

[graceful sage]

Is the pickup set to simulate physics?

[queen ore]

something like this?

[dawn gazelle]

Essentially everything is lost when you travel between levels.
You can persist values in a custom game instance or use a save game.

[charred cobalt]

nvm figured it out sorry for ping

[shut quarry]

yeah i dsiabled physics on pickup

[shut quarry]

I think the player is getting atached to the mesh for some reason

but yeah ur method did work, sorta, now im not tping everywhere, but I am tping like one foot above the bal

yeah I think i switched it around

the parent should be the actor mesh

[graceful sage]

Prob be better to attach to mesh and create a socket on skeleton and type that into socket name on attach actor to component

[light iron]

Anyone know how I can get the "unreal editor subsystem"?
https://dev.epicgames.com/community/learning/tutorials/M6LY/unreal-engine-get-editor-world-deprecated-resolved

This post tells me I need to include the "Editor Scripting Plugin" but I don't have a plugin with that exact name. I've tried "EditorScriptingUtilities", "EditorScritableToolsFramework" and "UnrealEd" which is the actual plugin the unreal editor subsystem code is part of but none of them allow me to get an instance of the editor subsystem node in blueprint

[copper chasm]

I have a widget controller listening for gameplay tags to create a widget from a data table, right now I am trying to make widgets populate when the character is standing in fire - I can get the widget to create/add to a panel on overlap, but I'm not sure how to go about destroying the widget when the tag is removed (which happens onendoverlap).

I know I can just cast and destroy it per onendoverlap, but I'm trying to keep dependencies limited - is there a way (I'm assuming cpp) to fire an event when a tag is removed?

[shut quarry]

yeah i have it attach to mesh. I did type in the socket name, do u see any issues?

[light iron]

Did you RemoveFromParent?

[shut quarry]

essentially when the func runs, the item freezes in place, so physics off, but for some reason it aint locking into the player.

Like the player moves around, the item dont follow

[copper chasm]

Well that would be how to take it off I guess, I'm just wondering when I should call that

I'd rather not just slap it on the BP after the endoverlap

[light iron]

Oh sorry haha I misunderstood what you were asking

[graceful sage]

What bp is that the target is self

And location and rotation snap to target

[copper chasm]

This is the code I've got that captures whatever is in the message tag datatable

I reckon I ought to be able to code around that function to listen for when things leave, maybe

[shut quarry]

im in bp_item

everything ive mentionsed so far in that class

[shut quarry]

yeah behavior is the same with that asettings

[light iron]

You might check out OnAbilityEnded I've never used GAS, but I just searched for DECLARE_<various-delegate-type> on the ability system component header and found it

in particular this one is just a multicast delegate (not dynamic so no blueprint)

[copper chasm]

I really need to read the documentation, I'm kind of playing UE5 coding as if it were a survival sim rn 😐

[graceful sage]

Make sure socket name correct. If you don't know it's case sensitive

[light iron]

It might not be what your looking for, but that's the best I can help haha

[shut quarry]

it is i copied it excatly

[graceful sage]

Is the function being called?

[shut quarry]

yuh

[graceful sage]

You want it snap to target so I'd leave it at that

[shut quarry]

got it

but its not locking into my player

[graceful sage]

Show your trace

[shut quarry]

at all

its 100% called bcuz after this i place it in my inventory

and i have other checks, im definitely grabbing that ball

[graceful sage]

Why you changing mesh scale?

I don't see anything with adding to inventory

[shut quarry]

essentially

I add it to my inventory

so an array

and then i call the function displayed in the ^ image

and its supposed to attach itself to the actor which is being passed in

and yeah the cast works fine

and the attach actor to component is returning true

so how is this happening

[graceful sage]

What's the component hierarchy for item

[shut quarry]

sphere is just collision sphere so that when i get close I can pick it up

[graceful sage]

Try making mesh the root

[shut quarry]

NO SHOT

lmfao

dude

that makes no sense

it worked but, how

thanks

[graceful sage]

Np

[quick lance]

Hello, I have the top down project open and i'm trying to create a camera that moves based on where my mouse is. If the camera is completely top down (90 degrees) this logic works fine, but in the project the camera is at -50 degrees. How can I get the same effect with the camera rotated?

[trim matrix]

Sorry I just saw this. The issue I was having was that the trace was passing through objects and hitting multiple triggers I didn't want it to hit. I had the actors set to block their channel but it wasnt working. For whatever reason restarting my computer worked and fixed it. Was struggling with it for about an hour.

[graceful sage]

Clamp when set rotation?

[trim matrix]

Unfortunately that did not work. No idea what is causing it. I even remade the whole thing and it still doesn’t work

[lunar sleet]

sorry but you're getting world rotation and then setting relative rotation, and also adding local rotation, what am I missing here?

and usually door opening logic is done with a Timeline and a Lerp between 2 fixed points so it's much cleaner than this

on a side note, it's much cleaner to just GET a variable again rather than drag spaghetti noodles across the whole screen.

you can select your initial get and ctrl+ D to duplicate where the cursor is, or copy and paste

[remote rapids]

hey i need help with some physics and physics material

can i get help?

[remote rapids]

i have a shpere that i gave her an impulse of 1600
and the shpere should to arrive a Cube.

i checked simulate physics for the sphere.
and i used Physics Material.
i only changed Friction to 0 and Restitution to 1.0

if the ball hit on the cube in the middle or in any place with no angle so the back speed is correct and not change
but for example if i rotate the cube a bit and the ball hit the cube when there is some angle so the back speed from the cube is slower and ball change his speed.
i want that no matter where the ball hit , that can be with angle or if the cube rotate or whenever the ball hit the speed will not change.
why is that happened to me and how to change that?

[white thicket]

Can Anyone help me with Lights toggling at Night

[lunar sleet]

You got a switch in your room?

[white thicket]

Yez

OR operation i think i have to use

[lunar sleet]

Get up. Walk to it, flick it on

[white thicket]

😆 But i want it to be automatic

[lunar sleet]

Hehe

Ok have you tried printing the Boolean to see if it’s true

[white thicket]

600 means morning 6 and 1200 means 12 and so on

turn off light at 6(600) and on light at 18(1800)

[lunar sleet]

Uh

[white thicket]

I am able to turn on but don't know how to turn off

and loop it

[lunar sleet]

I don’t recall exactly but are you sure that is the right format ?

[white thicket]

Yes

[lunar sleet]

Ok

There is an in range node

[white thicket]

oh i get the node

[lunar sleet]

Oh that’s a thing? Is it a plug-in or built-in

[white thicket]

plugin

ultra dynamic sky

[lunar sleet]

Easy then

If false turn on light if true turn off light

[white thicket]

Yeah

is this the main way to turn off and on lights? or there is any other good one

[lunar sleet]

Not 100% sure, but you could try #lighting if that doesn’t work for you

[white thicket]

no it works just wanted to know any other good one if exists

there is activate but i don't see any option of activation setting in details pannel of point light

[frosty heron]

Toggle vissibility will just turn the light invisible right away

Would be nicer if you dim it according to time and slowly reaching 0

When 0, then you can make it invisible to save performance (if neccessary)

[white thicket]

Okay

[white thicket]

Okay so one more thing due to event tick i am using Do Once but i don't want to use as it will not create loop

What can i do?

[remote rapids]

i have a shpere that i gave her an impulse of 1200
and the shpere should to arrive a Cube.

i checked simulate physics for the sphere.
and i used Physics Material.
i only changed Friction to 0 and Restitution to 1.0

if the ball hit on the cube in the middle or in any place with no angle so the back speed is correct and not change
but for example if i rotate the cube a bit and the ball hit the cube when there is some angle so the back speed from the cube is slower and ball change his speed.
i want that no matter where the ball hit , that can be with angle or if the cube rotate or whenever the ball hit the speed will not change.
why is that happened to me and how to change that?
in every tutorial that i look they did exacly what i did and that work for them but not for me

[white thicket]

Are you here?

[lunar sleet]

Why do you need a loop?

[white thicket]

not a loop but when i remove do once lights toggles every frame

[lunar sleet]

Do once only runs once per runtime

But I understand your conundrum

One way would be to just set a timer by event on begin play

Alternatively

You can maybe bind and unbind dispatchers as needed

But maybe easiest would be to have each side of the branch reset the other Do Once

For example: if Daytime == True -> Toggling -> Reset the bottom Do Once. If Daytime == False -> Toggling -> Reset the top Do Once @white thicket

[white thicket]

Okay reseting can help i guess

[lunar sleet]

Resetting the opposing do once should do the trick, at least in my mind at 3am

[trim matrix]

Hey guys, are the actor blueprints share their instance each other?

[lunar sleet]

Try rephrasing

[white thicket]

This worked

[trim matrix]

I mean, the second box registed 2 lights and the first box registed 1 lights
but when I tried to turn the light, always turn on 2 lights

so their seem like shared instance (just guess)

[white thicket]

Also I think Timer would be Good instead of event tick for this system

[lunar sleet]

There is no sharing instances. There is sharing the same code and you are iterating over an array of lights. But either way I’m still confused about what you’re seeing sorry

[dusky cobalt]

Where is your F key? It seems like there is no difference which box you are ''aiming'' with the F key?

[lunar sleet]

Tick is prly fine too tbh

[dusky cobalt]

@trim matrix You should have event Interact that when you come into the box you click and it activates lights that are on the box.

[lunar sleet]

Not to mention that is Colliding branch is completely being bypassed

[dusky cobalt]

Yea that got me confused as well, also having Is In Collision is on the Player Controller? or Pawn? (then maybe it would make sense if you have Overlap event that sets that collision so it let's you fire that event only when you are in collision with the light, but if you are in collision with at least 1 then this will work for all lights and not the only one you are colliding with), but it's still does not make too much sense.

[white thicket]

Will not be more performance effecient then tick?

[trim matrix]

f key on box bp

[lunar sleet]

It’ll run less often but perf might not matter that much in this case (you’re not really doing anybody heavy)

[remote rapids]

i have a shpere that i gave her an impulse of 1200
and the shpere should to arrive a Cube.

i checked simulate physics for the sphere.
and i used Physics Material.
i only changed Friction to 0 and Restitution to 1.0

if the ball hit on the cube in the middle or in any place with no angle so the back speed is correct and not change
but for example if i rotate the cube a bit and the ball hit the cube when there is some angle so the back speed from the cube is slower and ball change his speed.
i want that no matter where the ball hit , that can be with angle or if the cube rotate or whenever the ball hit the speed will not change.
why is that happened to me and how to change that?
in every tutorial that i look they did exacly what i did and that work for them but not for me

[white thicket]

yeah perfect timing not needed though

[dusky cobalt]

If you are planning on invalidation and clearing timer from time to time then it might be good idea but if it's supposed to be firing from the start of game till finish then tick is more performant than timer by event but I might be wrong.

[dusky cobalt]

Then this event is not gonna event work because Inputs must be on Player Controller or on something that is possesed by player.

[lunar sleet]

Build, test, optimize, but yeah

[trim matrix]

hmm So the F key event should be on FirstPlayerBP?

[dusky cobalt]

Yes

[trim matrix]

got it thank you

[remote rapids]

can i put image on floor?

[white thicket]

yes

[remote rapids]

how

[graceful sage]

Import image into engine create a material that uses image texture as base color. Set floor material to material you created?

[remote rapids]

that noot good

[copper chasm]

says you, i'd play the hell out of that disco masterpiece

[trim matrix]

Hey guys, is there any way to compare rotator or float as nearly float ?

[dusky cobalt]

Nearly equal (Transform) and split struct

[trim matrix]

I tried this but it's alaways returned false

[versed sun]

make the tolerance higher

[trim matrix]

it works thank you

But i wonder why compare rotation is not working?

[hollow cove]

wouldnt this be because of normalized rotation axes and stuff like that i.e. -180 = 180 = 540 = 900

you can use the node normalize axis on a float to make sure it always falls between -180 and 180 iirc

[trim matrix]

oh then I gotta compare that normalized (x?, or Y whatever) float

hmm it's always false though

[hollow cove]

going to need more context

is this something that's always rotating a little? if so it probably never hits exactly -15

if you're printing it there, you can see it's -15.225

so youd need a nearly equal node for the float and set the tollerance higher than 0.225. but i assume it can be greater than that?

[trim matrix]

I just fixed it with round lol

[hollow cove]

thatll work unless it goes greater than -15.5 or lower than -14.5

[trim matrix]

hmm then I have to use this way? but I only want to know what's angle of camera so I think it's okay to do with my way

[hollow cove]

it entirely depends on what you're trying to do

[dusky cobalt]

you need to tell us what effect you want to achieve and in what context if you want better response

[trim matrix]

I'm creating the shadow puzzle so I think I have to know player rotation and compare with random value (like -15) and I've been figured it out compare float

[surreal lotus]

Hey everyone, I am working on a third person project where I am automating some movements, the problem is when the character goes to a certain position I want the camera to face where they are looking at, which I am struggling how to automate.
I thought if I can attach the camera to the character's back (socket) that could work, (as the camera will always look in front) but I can't seem to attach it as the camera boom is an inherited component.
It would be nice if I could get some help regarding this!

Thank you,

[dusky cobalt]

What do you have so far ?

[frosty heron]

Set control rotation to the direction of where the character is looking. (Capsule forward vector?)

[surreal lotus]

Nothing really, I've tried a few things mainly with camera boom changing rotation and such but not really giving the result i wanted

[surreal lotus]

I see, I will try this and see if it works

[dusky cobalt]

Well there is a lot of tutorials probably on camera following the player, did you try any of them already?

[frosty heron]

Actually I retract what I said

You probably want the direction of the input

Or the actor rotation, I am not sure kinda have to hack it and see if it work

[ivory spoke]

Are Datatables the Common solution to handle Item Data?

Or are there other strategies?

[thin panther]

Data assets are pretty sweet

[soft lion]

I use Data Assets. I want to learn deeper into Primary Data Assets and proper usages but that's down the road

[dusky cobalt]

one more vote for Data Assets, they are amazing

[surreal lotus]

actually, I just had to get the controller and set the control rotation there once the movement is executed !

Thank you though,

[dark drum]

If you don't need hierarchy, data assets. If you do, make your own item base uobject.

[dusky cobalt]

What about using both? Like you can still have hierarchy but use data asset at the end of hierarchy? Or not really?

[modest monolith]

damn I forgot how to put controller inputs in ue4 .. any video?

[dark drum]

Data assets don't support hierarchy very well. (States it in the description)

Data assets are just a special type of uobject that self constructs and everything that uses the data asset uses the same uobject I believe.

So I can't see why you couldn't use data assets in your uobject item base for defining your static data but I'm not sure if there are any benefits though as you'd be splitting your item data across different places which isn't nice to work with.

[light iron]

Data assets support hierarchies just fine. Your base just needs to be a subclass of a data asset rather than an instance of a data asset

I.e, once you have your data asset definition, make a blueprint that subclasses that data asset type and use it to set the base values. Then for your “leaf nodes” of your hierarchy, create a data asset instance of the blueprint subclass you just made. It’ll use data inheritance to set the values from the base class. It’s very useful!

[dusky cobalt]

I'm planning to have hierarchy like Interactable > Selectable > Damagable > Unit for example and put Data Asset into the Unit and this Data Asset will also change some variables of the classes above. I'm not sure yet if it will work but I'm testing.

[shut zenith]

Has anyone else encountered issues drawing to a RenderTarget's Alpha channel?

[woven portal]

Hi everyone! 🙂

Has anyone ever implemented a building system like in The Sims 3 / 4 (or RTS) in Unreal Engine 4 / 5? For a life simulation game or RTS.
I need some tips how I can realize such a building system. Starting from the landscape changes (the player should be able to raise and lower the terrain, e.g. to place pools or cellars). I have no idea, how to realize this.

My first thoughts on this are:

1. The landscape in UE 5 is not editable at runtime --> so my idea is to leave holes in the terrain and place plots of lands there, which are generated prozedural and the player can change them. Is this a good idea? Are there better ones?
2. How can I draw a Grid like in this video?
   https://youtu.be/rd-m-aEG268?t=135
   Do I need to place actors there? Or are there some commands to draw lines in the world?
3. How can I generate walls and replace the materials / wall painting / wallpaper at runtime?
4. How can I hide the ceiling or walls, if the player is inside of the house?

Thanks for your advice!

[dark drum]

I assume you're referring to creating a child of the primary data asset which yes you can do.

Epic themselves however don't recommend this.

'Assets can be made in the Content Browser using native classes that inherit from UDataAsset. If you want data inheritance or a more complex hierarchy, we recommend creating Data Only Blueprint Classes.'

[light iron]

Why do they not recommend this?

[normal badge]

@frosty heron Wanted to thank you. Thanks for sending me the correct way. Almost got my first prototype working

[dark drum]

I don't know the reason but if I was to guess I would imagine it's down to how they function with the asset manager.

The same message appears on the description and multiple documentation relating to it so I'm sure there's a reason lol.

[shut quarry]

I'm making logic for when the player drops an item, any ideas on how to make it more realistic? Because the angle and whatnot is horrible

I just want it to fall the floor and then get the floor's rotation and then stick to the floor

But I have no idea how to do that, unless I make a BP_Floor object or something, and only use that for my floors

Question #2) Is this bad code etiquette? All i'm doing is getting the item at the specified index and returning it if its there. Otherwise it'll be null. Issue is, since the "get" node can return null it may hv probleems afterwards. Is it worth putting an if statement there? Or can I just leave it with the errors. Because right now its just sending the error msg and returning null, which is what I want. I just don't want the error msg.

[light iron]

I dug into this around a month ago and wasn’t able to find the reason for this comment. That’s not to say it doesn’t have a good reason, but I did find that other industry professionals seem happy using data asset inheritance though.

https://benui.ca/unreal/data-driven-design/

That’s being said I would like to hear about why it’s not recommended if there is a good reason

[dark drum]

Yea, I'd like to know as well. Until I know, I wouldn't personally recommend it lol. I might have a dig through the c++ at some point to see if there are any additional comments.

[dark drum]

Accessed none and out of bounds messages are annoying and can flood the logs if not handled.

Regarding your drop item function, set the world location so it's outside the characters collision. If you don't the collision can cause it to launch off in random directions when you enable the collision.

[shut quarry]

so the target here is a component with childc omponents. Is there any way to only affect the scale of the parent component not the childs?

[dark drum]

It's scaling whatever you connect to it. If that is the root component then every child would be affected unless their scale has been set to absolute.

[shut quarry]

How do i set to absolute

*wrong reply

[shut quarry]

How do i set to absolute

[dark drum]

What the component selected in the viewport tab, where you can set the scale, there's a dropdown you can change.

[shut quarry]

uh this one?

do i set it t world?

yeah thats the one

[shut quarry]

I considered placing it right in front of player but I'm worried they may accidentally drop it off the map or into a wall. And then I gotta do like EQS or smth to figure out where to go which sounds much more complicated than just putting it at player location (cuz player cant go to invalid location)

[shut quarry]

adding on to this, (please help), this is how my item drops to the floor right now. I made the z tiny as hell, so it looks like a 2d item, but like the angle is off

[dusky cobalt]

Generally speaking if I have children and parents and I want to set some data from children to parent I just set these variables on begin play of children and then at the end I call to parent right?

[shut quarry]

don't know how its phasing thru the floro halfway liek that

[dark drum]

Yes, the call to parent is only needed if you need to call the logic from the parent.

[dark drum]

Show the collision on the mesh? (In the static mesh viewer)

[shut quarry]

is there a better way of changing the collision response? Like I don't wanna have like 5 of these nodes to change 5 things.

but i scaled the z to like 1/10th of that

I scaled it bcuz I want it to look like an item, I feel like i'm approaching this wrong

this is the visibility collision (after scale)

why doesni tjust lie flat why it slanted

like i don't hv any wind in my game it should like lock in place uk?

even now its swaying randomly

[dark drum]

It sounds like it's overlapping the floor. Is it moved to that spot or is that how it ends up when it falls?

[shut quarry]

thats how it ends up when it falls

its just chilling

[dark drum]

If that's the case I would imagine it's struggling with the small collision. I would just make a disc shape in blender and then set the collision in UE so you don't have to scale it. Really thin collisions can cause a lot of issues.

[shut quarry]

or i was thinking I could let it fall, doing a line collision downwards every 1 second and as soon as it hits anything solid it'll adopt that object's rotation and lock

I can do all of that, except for the get floor rotation

[marsh sonnet]

Hey there! Using Unreal Blueprints to make a beat em up. 3d space, 2d look--ortho camera. Right now, I'm having issues with my sprite's interaction with the level colliders when she turns to the left--see video. Anyone have any ideas? I'm rotating her when she turns left via the BP

[shut quarry]

I'm tryna have pawns ignored by this line trace by channel, but it seems I can't change the actors to ignore array elements? Can someone help me understand whats going on

this is Unreal's reason for not lettign me change the array

[dark drum]

Is there a reason you don't want to just create a mesh with correct collision that you don't need to scale?

[shut quarry]

if im beign honest, I haven o idea how to do that, and also this is all being done in the BP_ItemBase, so I want it to be easy to create new items and having to create a 2d image each time and scaling it in blender would be a pain

like i can create a flat cube

[dark drum]

You'll have to populate the array at runtime.

[shut quarry]

but idk how to modify the collisions and whatnot

oh

tahts dumb

is there any way to populate that array with all actors

or do i hv to specify like BP_MyCharacter, BP_EnemyAI, BP_RandomBirdInTheSky

[crude timber]

Hi ! How can I draw a simple UI line along a Spline in blueprint ? I want to show a path. Surely using a Spline Mesh isn't necessary right ?

[dark drum]

It seems like you're making your life harder by not doing things the normal way. 🤷

You can still have a flat cylinder that you can change their material on if needed.

[maiden wadi]

Depends on whether you want it in 2D or 3D space.

[crude timber]

2D Space

I have a basic Spline drawn from coordinates to illustrate a Flight Plan and need just a very simple colored line to illustrate it

[maiden wadi]

Then even a spline mesh component won't help you. PostProcess might. Or arranging a set of widgets each frame tick along the spline.

[dark drum]

In a widget there's an 'OnDraw' function you can override. There are a few draw nodes you can use in here for lines. You can get the points for you spline and use the data accordingly depending on the node you use.

[crude timber]

Alright I'll check, thank you !

[spice gazelle]

Does anyone have any experience with the Variable Access Library on the marketplace?

it's causing me to pull out what little hair I have left.

[wraith loom]

How do I put my variables into groups/folders? A plugin I downloaded has variables grouped into little drop-down menus.

[spice gazelle]

You set it by category

Click the variable, on the right hand sided viewer, you'll have a drop down option for Category, you can do whatever you want with that and then sort the variables into their categories.w

[shut quarry]

@dark drum could you answer this?

[dark drum]

Yes but you shouldn't do it. You probably want to look into custom trace channels. 😉

[crude timber]

That function doesnt exist ? I'm on 5.4, it doesnt show up in the override list

[dark drum]

When you specify the name of the category, use a | character to denote a sub category.

[crude timber]

Ah, found this node, just have to supply it with my points

[dark drum]

'OnDraw' is a function on the HUD class and on widgets. You'll need to override the on draw function to get the 'context' you need for that node.

[trim matrix]

Fixed the code to use a timeline and lerp. Got it to work, no more spinning around and it stops where it should, however now this is my new issue. ^^^^

[spice gazelle]

I take it that the Variable Access Function Library has not been used by anyone?

There's almost no documentation and no discord. I feel like I got dupped.

[trim matrix]

Thank you

[trim matrix]

If Anyone could help me with this is would be great, you can see the rest of my blueprints by clicking the person I replied to and scrolling up just a bit

[lunar sleet]

This is an easy fix

Tick fires every single frame. So if you put your timeline on it, which is a latent action, you’re going to get a spaz demon door from hell like you have

Additionally

Your timeline isn’t even connected properly

You want Play and Reverse. Set new time has nothing to do with it

[trim matrix]

When I connected it with play and reverse, it wouldn't do anything, I had to play with it a bit and these are the connections that allowed me to get to this point

[lunar sleet]

It’s cause you’re doing it all wrong

OnInteract -> if DoorIsClosed -> Play -> ifDoorIsOpen -> Reverse

[trim matrix]

Ok give me a sec

[lunar sleet]

You’ll prly also want to add a bit more logic if you don’t want to be able to interact with the door while the timeline plays (either another bool or a do once with a reset on completion)

[trim matrix]

Well wouldn't that kinda just make it so OnInteract, the door opens to 110 degrees, then obviously on reverse it just closes? The Amenesia door system allows the player to drag their mouse to linearly open the door, which is why I have the turn rate (which is the mouse turn rate) * the sensitivity the player has their mouse set to and plugged it into the timeline. Which I thought would update the tracks position correctly, which is did but then yea I ended up with the door jittering

[lunar sleet]

Oh I see, I didn’t know what this Amnesia mechanic was

[trim matrix]

Yea, my game is practically done just decided to implement a new door system at the end which was dumb planning on my part. I had a functioning door system until I decided to change it lol

[lunar sleet]

Well at that point the timeline might be overkill

[trim matrix]

I'm kinda at a stand still. The only tutorial for a system like this was from UE4, and I tried that before making my own and it doesn't work anymore unfortunately

[spring hare]

I come with a very irritating problem that probably has a very simple solution, that i'm overlooking. My axis movement is all messed up, W is right, D is forward and so forth. i'm following a tutorial on making a platformer and i'm following this tutorial to the letter, but i just don't understand what is going Anyone know whats going on? Thanks in advance!

[lunar sleet]

I haven’t tried doing something like this before tbh, idk how I’d approach this off the bat @trim matrix

[crude timber]

alright I manged to do it, but it is incredibly low performance and I end up with like 1 FPS. My flight plan lasts for like hours, with every point saved every second during the flight :/
There's no more performant way of drawing a line ?

[trim matrix]

Yea fair enough, just one last thing then, what would be a better way to constantly check the placement of the mouse then if not Event Tick? I have the OnInteract set to check if the player is looking at the door, which means it only runs twice which is when the player starts holding LMB and when they stop, so I don't think it'd be ideal. And Event Tick seems to just break it

If I can find a solution I'll post it and possibly make a tutorial on it as judging by the comments on the tutorial I found people want a system like this

[dark drum]

Show how you're doing it.

[lunar sleet]

You can just get mouse position on viewport from the triggered pin of your mouse down IA, that’ll fire every trick if the trigger is set to Down or None

[crude timber]

The only node available is "Draw Line", singular, so I'm using a For each loop with the amount of points I have, and it draws a line every time using the previous point as the origin for that new line.

I guess that's the problem, it must create thousands of lines in the background

But there's no "draw lineS" (plural) node or Draw Spline node for that specific use

Maybe using Niagara to draw a Ribbon along my flightplan

[dark drum]

You shared a screenshot of the 'Draw Lines' function.

[crude timber]

it wasnt under the HUD category, it's under "Painting", wasnt the correct one

[dark drum]

That's fine as long as it's called inside the 'OnDraw' function.

[crude timber]

Ah ! the "Draw LineS" required a Context I wasnt sure where to get, but it's in the function override.
It's called "OnPaint" tho, is it the one you're talking about ?

Alright it works

[chilly gazelle]

When i'm spawning in AI classes, is it better to have a blueprint that contains all of the information I need (weapons, skin, helmet, etc), or is it better to have like an empty blueprint class that just spawns in a specific data asset with everything I need?

[shut quarry]

how to expose a component in blueprint as public

[dark drum]

Components in BP are public by default but select it and in the details panel, untick private.

[wintry vault]

Do you have any idea why the anim instance state machine switches to state, and ignoring the duration time?

[eager python]

Are custom Structs generally considered okay to use? Or would it be better to just have an actor with separate variables that can be referenced instead?

Ex) In a dungeon generator, I want to keep track of each Room's variables so I can check/manipulate them again later. Is this better done via a Struct or by having a separate BP for the Room itself and making the Dungeon BP add a bunch of Room BPs to it?

[lofty rapids]

for one thing the movement is usually relative forward and right

so your just moving in the x, but your saying w doesn't go + 1 ?

[spice gazelle]

I’d use the structure in an actor component

[dry sleet]

Custom structs are fine to use, although they're best created in C++. Blueprint structs can be buggy (although I've personally not had super many issues with them). For your use case having a struct to keep track of room properties sounds like a wise idea (it brings the benefit of also being easy to save). Though I'd also have an individual actor for each room, I think.

[lofty rapids]

your world direction is probably incorrect, and like i mentioned you could be using forward vector, and right

[spice gazelle]

Asking again, does anyone have any experience with the variable access library in the marketplace?

It basically does away with casting and uses soft references to get info by name, but I’m having nothing but issues accessing components

The documentation was useless

[dry sleet]

that looks like a nightmare

[lofty rapids]

unfortunately it's something off the marketplace, you would need to find someone else who has used it or knows how to use it which is a lot more difficult than getting general help

your chances of success are a lot lower

[spring hare]

W went +1 in the Y, it was weird but eventually I did fix it, by switching around the directions, but then I added the get control rotation and get vector bits to the movement and it was reversed again, so I undid what I did to fix it initially then it's all fine now.

my brain hurts but everything seems to work now

[spice gazelle]

Yeah; it’s a bummer. I feel like I got dupped. It’s incredibly useful in theory, but if it doesn’t work than it’s useless

[lofty rapids]

is it possible to reach out to the creator ?

[dawn gazelle]

It looks like it is very straight forward. You plug in a reference to the object you want to access and then either get or set a variable of a specific type for that object.

[frail onyx]

Anyone know how to make a similar system like the one from this video https://www.youtube.com/watch?v=ab9ZZ0fUIJs&t=735s with a pipe that pulls some objects that are simulating physics into it if the objects enter a box collision

[dawn gazelle]

Probably just an overlap that then applies a force to the thing that overlapped.

[spice gazelle]

Right, but when I follow the method for getting info from a component, it doesn’t work. It should be fairly straightforward, but it’s not.

Get owner —> get object by name (player component)—> get int by name —> print string

[ivory spoke]

sry for late answer, I saw that you have some tutorials, what method for item data do you use there?

[dark drum]

I personally use a uobject item base. This is because it allows hierarchy as well as mutable data in the item itself.

[ivory spoke]

yeah this sounds interesting. I saw DT at Marketplace and adapt this

it feels bulky :/

I'am new to UE (startet about 5-6 Weeks ago) but came from Web Dev.

[dark drum]

Personally, I don't think it would scale well anyway. Because all the variables are created dynamically, you'd have to know that you placed the variable on the actor at some point to know you can call it.

I can see it resulting in loads of bugs and being awful to work with in the long run. Too much fuzziness with if something has a variable or not.

[ivory spoke]

The DT Strategy they used was okay at first glance but actually I have stomach ache with it

[dark drum]

I would only recommend using a data table for an inventory system if the items would be pretty simple and you need to be able to edit the data externally.

As things get more complex it becomes a pain to manage. You either have tons of redundant data or end up splitting data across multiple data tables which again, I don't think is very nice to work with.

[spice gazelle]

DT’s have its use, but I think Data Assets or UObjects are better suited for inventories and what not

[spice gazelle]

That’s a bummer to hear, but it makes sense. Wonder if I can get a refund.

[ivory spoke]

Yeah, my Items aren't so complex I think (Some Different Types, Gear (Weapons, basic Armor Slots), Ressources, Consumables, Seeds)

And I need a way to create Recipes for some stuff (crafting)

based on different actors

for Example "seed machine" to get Seeds from Vegetables

[dark drum]

In my opinion, not complex would be no hierarchy. When you need hierarchy different item types often need their own set of variables.

[ivory spoke]

so my stuff is complex, hm

yeah my actual stuff has different set of variables

seeds has there own growtimes and intervals for example

can I find some good tutorials where the UObject approach will be explained with good examples?

[dark drum]

I've not come across any myself which is why I started my series. It might be enough to get you going.

[cobalt gulch]

How do i round the seconds up so it's a whole number rather than a decimal?

How do i do this for minutes too?

[foggy escarp]

@ivory spoke i definitely recommend data assets. At first glance it might seem like creating g a new asset for every object would be worse, but it's better in every way. It does make it easier to make inventory objects that might share most things accept a texture and basic info. You also get to use the asset manager which is a very efficient way to load them. Even if you have hundreds to thousands.

[stone obsidian]

Has anyone watched the Ryan Laley inventory series and know how I would add an equipment bar to it?

[ivory spoke]

So for Example for different Vegetables I need to create a new Asset (Pumpkin, Cucumber, Starberry ... etc)?

[dark drum]

Epic has stated that you shouldn't use data assets if you require hierarchy.

[ivory spoke]

What does hierarchy in this context mean?

[dark drum]

So you'd have a base item class, then you had children such as tools, weapons, consumables, ammo etc... of which you would then have children of those types.

[foggy escarp]

Yeah, you can create a new primary data asset as a base for the item classes and in there put all relevant info. You could also do this with a single primary data asset (the class to inherited data assets from) it depends on preference. For. Me. I like using inheritance because I can add the properties I know every object will have and then inherited a new subclass for a sub type.

[versed sun]

Anyone know if having an Alt+code in a Input Pin's name will be bad?
it compiles and runs... for now

[foggy escarp]

Why is this? The point would be to have options with the asset manager on how to load them?

[ivory spoke]

so Base Item (set of base variables), Children: Tools -> with his own set of additional vars, Weapons with own Variables etc.?

[dark drum]

You'll have to ask epic. I don't know the reason why, just that the description says this.

'Assets can be made in the Content Browser using native classes that inherit from UDataAsset. If you want data inheritance or a more complex hierarchy, we recommend creating Data Only Blueprint Classes.'

[ivory spoke]

UObjects need c++?

[dark drum]

No, you can create a child of object.

[ivory spoke]

Ok, so UObjects seems to have more advantages?

[maiden wadi]

This doesn't say anything about avoiding inheritance though.

[ivory spoke]

In your tutorial, you use UObject approach?

[dark drum]

I do yea.

[ivory spoke]

Ok, I will look into this

hmpf

[dark drum]

Yea, I meant to say doesn't recommend lol.

[ivory spoke]

All stuff are working actually, and now I remake it xD

Hope the Results is worth it xD

[maiden wadi]

UObject Inventories > Struct inventories by far. Unless you're a programmer from 1990 and can't understand how other people might hate dealing with crappy architecture.

[foggy escarp]

Well if I created a data only bp class and I still wanted to load it with the asset manager I would be going Into cpp and setting up the primary asset ID uproperty. At this point it's basically a data asset. Just with a bit less of the initializations that data assets have built in.

[dark drum]

Just working with large structures in general is a nightmare.

[ivory spoke]

are uobject inventory / item handling are better then dt ? the simple check for get this from inventory is a nightmare

[maiden wadi]

UObject does meant not datatable. Don't mix that up.

UObject Vs Struct for containment of runtime values.

DataAsset vs Datatable for static definitions

You can do either with either. But in general, a UObject inventory made with DataAssets will be a lot easier to work with and more scalable.

[ivory spoke]

actually I defined Structs and datatables

and work actually on actor to produce some stuff (seeds for this example)

so I have a recipe list (actual also dt where I say input item = pumpkin, output item = pumpkin seeds)

the actor check ok only this list of items can be inserted (recipe list for this actor) -> i need to check if the item player want to input is on the list

this checks seems laborious for me -> ( I need to break the structs and then check is dt and rowname equal) maybe there is a better way but this is my actual approach

[dark drum]

You would store the item types as a class ref that you'd just check the class of the item objects in the inventory to see if it matches the same class.

As for the output, if it matches you remove the pumpkin and the use the output class to construct a new item object specified in the output.

[maiden wadi]

Need defining tags on your items in their static data. You garden things can just compare if it has the tag in it's definition. Tag any items that are meant for gardens. Can even do subtags for different garden types. Small, Medium, Large, Alien, Etc

[ivory spoke]

This Input is nice

And maybe a rework is good for my proto

[dark drum]

But either way uobject or data asset, you'd be in a much better position.

My tutorial would probably be a good starting point and could be tweaked if you want to use data assets instead. You just have to remember that data assets should be treated as read only though.

[maiden wadi]

While you're at it. Don't forget to look up TileView or ListView widgets for your inventory. If you had a struct based inventory you might not have been using them.

[ivory spoke]

It is nice that actualy all stuff seems to Work but I learned so much. Some stuff need a rework

Yeah my actual Widgets used grid Panels

I have a inventory, actionbar and a sellbox

[dark drum]

I'm not a fan of the list view widget. Seems like a convoluted way to add widgets to a vertical box. Are there any advantages to using the list view?

[maiden wadi]

Many. For starts it instances them. If you have 200 items in the inventory but only see 13. Your way has 200 widgets in a vertical box. Listview has 13.

Second is that you do a lot less CPU work because of that instancing. You only set up, up to 13 widgets at a time in this case instead of 200.

Which means 13 textblocks set instead of 200, 13 icons set instead of 200, 13 etc etc etc instead of 200.

[ivory spoke]

All of the Widgets are early prototypes and Main Focus was to interact with Actors ( sell stuff, choose Item for usage (hotbar))

So I should use Listview?

[dark drum]

Good to know. I guess I'll be looking at swapping them out at some point.

[maiden wadi]

Just much easier to optimize. Plus if you consider filtering and sorting. Listview you simply take the array of objects and filter or sort the array and put it back in the Listview. You don't need to manage clearing, caching, etc.

[ivory spoke]

Widget stuff is horror for me 🫣

[dark drum]

I think it's safe to say it is for everyone haha.

[ivory spoke]

Ok this make to feels a Bit better for me

Puh this will be a huge rework

But IT will be payed out with scale If the Project

[dark drum]

I got my core system up and running in a few days and then spent 2 weeks on UI. 😭

[ivory spoke]

Yeah the Same for me

i so really fast can I do a small Game Tests for some features ( Farm System, simple Combat Tests, weather, day night)

Maybe one week with First Hands on ue

Then i restart Project make These Things a Bit cleaner better, Work Things more Out and search for some Tutorials or Marketplace stuff i May use ( for example the ultimate Sky system

the ui Takes me two weeks and IT IS totally rough

[foggy escarp]

Yeah there no going back to the pre-UE life. Once your hooked that's it.
At least it was for me 4 years ago.

[dusky cobalt]

Hmm, what did I miss? I have Parent Class and Child. Child is in the level. On click I take Hit Actor and I'm casting to the parent but the cast fails?

[ivory spoke]

The Multiplayer stuff also Takes me two weeks

[dark drum]

Multiplayer should be done as you go along. How you would do stuff can change massively for multiplayer.

[ivory spoke]

So no really MP but that all mechanics works replicated

Yeah I basicly rework all for mp

[dark drum]

Print the hit actor to check it's hitting what you think.

[proper vector]

hello, sorry to interrupt, but i have a request for anyone here

[ivory spoke]

But this was also a learning

[proper vector]

i have an assignment due today and i was procrastinating, I got some of the information down but i feel like Im not understanding something or i missed something from the lectures i watched, I just need some help with it or someone to tell me what im doing wrong so i can fix it, specifically for blueprints in Unreal 5

[ivory spoke]

Since them I can See how it must be implemented to Work on mp

[dusky cobalt]

I was going crazy, thanks xD

[dark drum]

Was something in the way? Lol

[lofty rapids]

show the blueprints, and say whats it doing, what it's expected to be doing

you should get better help that way

https://dontasktoask.com/

[dusky cobalt]

I forgot to check Collision setting to block hit on this... i was reworking stuff whole day and my brain is fried

[dark drum]

Ahh, yea that would do it.

[ivory spoke]

Similar to me for interact trace... Every time I add a new actor to interact. It doesnt work... at the end it is the collision setting for interact trace, every time

[dark drum]

I have an option that automatically sets the collision setting that's enabled by default for this reason lol.

[ivory spoke]

Smart solution 🤣🫣

[maiden wadi]

@dark drum Widgets are what I was trained on. 🙂 There's a reason I dramatically simplify everything and take care to consider how it can be accessed easily from UI in a dynamic way. UI is really easy when you don't constantly nailgun your own feet with your own gameplay code.

[ivory spoke]

I will completly rethink my widgets, the Data stuff is actualy better as on my First trys. But the controls....

I will need often Interfaces for boxes, Shops, other actors

So i have to Switch between two Arrays for example maybe also three

Info Focus in gamepad controls so i want to do simple left right top down navigation. I struggle with switches to the other grids and my actualy Key Management

I'am Sure I don't use best practise actualy 🤣

[dark drum]

You probably won't need to use interfaces. Inventories and items should be consistent so getting the data should be the same way regardless.

[ivory spoke]

"Interface" is maybe the wrong word

I doesnt mean Interface in ue context

[quasi steppe]

Whenever I start the game online, the linetrace of all clients is spawned on the server and the client itself only checks the 2nd line trace that appears on the server on the server itself, how can I solve this?there are actually 3 line traces in the photo, it is not visible because it comes to the client's head.blueprints written on the player controller

[ivory spoke]

For my next Iteration I will try to Put actor ref into the Widget and create Basic function to get the Data i need for example Box "Item Array" or other actors "Ressources" or "Output" array

[hollow pecan]

Player 0 camera manager? Should you not just use the line trace on client and then if whatever condition is true then get the server to check?

Or am I missing something?

[ivory spoke]

But implement nice gamepad Controls to Switch between Players inventory and Actors ... ITS horrible for me actualy

Thanks you all for this Massive Input. I have alot of new todos in my list. I Wish you all a good night!!

[dusky cobalt]

Even better you could just send Struct of data to the Widget from where you are creating, but reference of the thing won't be bad too I guess since if widget is created then that thing is also in the game.

[dawn gazelle]

Why are you even needing to multicast this at all when you're setting the values in replicated variables? You'd effectively be overriding either what the server is sending, or using the server's value depending on the timing of things.

Futher, the player controller only exists on the server and the owning client, no other clients would receive that multicast, so if your intention is hoping that all clients would receive the replicated variable data and perform the actions within that mutlicast, they will not.

[quasi steppe]

The reason why I replicated the variables is to try it completely.Actually, there is a situation with the character ref as if I solved the problem.When I removed the character ref and replaced it with the camera manager location, it worked properly.I think I need to work on the references a little more.

I don't know multiplayer very well, I'm still learning. thanks for the information you have provided. where do you suggest I write these blueprints?

[dawn gazelle]

Where you put things depends on the needs of what it is you're doing and how it relates to the things in the scene, and in terms of multiplayer could also depend on whether or not the thing you're doing actually needs to be replicated out to everyone or not. There is no one answer to where you should be putting a line trace.

An example, I don't necessarily need to have a line trace done by all clients.... I could pass them the results of a line trace performed on the server or replicate what the server wants to happen based on that line trace without having to directly communicate anything about the line trace.

[quasi steppe]

It was meeting all my requests offline, but things really change when I switch to the online part. What I want to do is to connect a line trace to the event tick and meet all the requirements through it. I don't know if such a thing is possible online.

[quasi steppe]

as I understand what you said. In short, you say that it does not always need to be replicated

[hollow pecan]

Out of curiosity what are the requirements?, Like what is it the trace is doing?

[quasi steppe]

These are the ones that come to my mind: interact, Placeable Items, Retrievable Items, type of item to break etc.

[hollow pecan]

Maybe I am not doing it the best way as I'm still learning myself but the way I done it was by making 2 functions, 1 for a line trace when a keybind is pressed then passes to the sever, and another for clients on event tick (for showing info on stuff you look at).

I don't think you would want to run on server / multicast the traces of all clients on an event tick, if that makes sense? For example if the client interacts with a door then it can be passed to the server and it will run the logic and update variables (In this case I think you would have an RepNotify bool for if the door is open or closed) then multicast the animation of the door opening.)

at least to my understanding anyway, I'm sure somebody will correct me if I'm wrong

[eager python]

Someone kill me please. Been trying to find this stupid runaway loop all day and came up with nothing. Worse, my dungeon generator now functions less well than it did this morning. I may just revert.

[maiden wadi]

It should give you a list as to what is looping.

[eager python]

Yeah but the things it points at don't even make sense in terms of looping that hard.

[maiden wadi]

A calls B calls C calls D calls A

[quasi steppe]

It works as I showed in the video. I followed this way because I thought it made sense that way.

[eager python]

I think it's just angry that I'm looping "For Each" through my array of custom Room Structs, and then through each of the struct's arrays, but even then it shouldn't reach a million loops since I'm only adding 10 rooms with a max area of 20 tiles.

But I literally cannot figure out wtf is wrong

[maiden wadi]

Depends on what all you're doing in those loops. The BP loop counter isn't specific to loop counts. It's kind of a function counter. So a 1k loop can still easily trigger it if you do enough function calls in the loop.

[eager python]

Wow, I hate that.

[maiden wadi]

The major killer is calling pure functions through multiple loops. Because loops are a macro. So accessing the index or loop item accesses the array. And if you're passing that from something in one loop, and then breaking a struct to get another array and looping it. You're getting that array again in every iteration of the second loop.

[eager python]

That might do it. So, issue 1 is tentatively answered. Moving to issue 2, for some reason my generator randomly decides to put a room where it shouldn't, and I haven't been able to figure out why...

Is it possible it thinks "ROGUE LOOP!!" and kills itself prematurely?

Possibly targeting a previous location?

[maiden wadi]

Like...

This is a good example.

The pure node on the left is ran 70 times, because it's being accessed 70 times through the loops.

[cursive grove]

I have a VERY weird bug going on.

My custom VR pawn, stopped simulating physics on release, for objects.
Funny thing is, my backup VR pawn works fine.

I tried to delete all logic apart from the grab/release, I tried copying the related code and functions from the backup pawn and made sure nested functions are also from the backup pawn, I checked class settings and class defaults, and also checked around and there is no casting to my VR pawn. I even checked time dilation and trace channels, everything looks the same 😭

[topaz condor]

hey guys i have a blueprint for a ClosetDoorL and ClosetDoorR, when im hiding in the closet i want to disable the function of flashlight in my character bp, im thinking i did it right here but its not working. any ideas?

[lunar sleet]

just put it in its own mapping context and then remove and add the context as needed. Done deal.

[eager python]

Yeah - makes sense. Is there a better way to access a bunch of arrays from a Struct without exploding UE?

[topaz condor]

im still fairly new to dev, how can i do that?

[lunar sleet]

you have an IA_Flashlight. How did you do that?

[topaz condor]

just created an input

[lunar sleet]

ok, and then?

[topaz condor]

added it to imc default

[lunar sleet]

there you go

now create a new IMC

remove it from the default

put it in the new one

[dusky cobalt]

you could add 2nd one on top of the first one by setting priority and then just removing it when you need to access switching again

[topaz condor]

are you saying create another imc for when im in the closet?

[lunar sleet]

then onEnteringCloset -> get player controller, -> get enhanced input local subsystem drag from it -> remove mapping context.
onExitingCloset -> readd it

[lunar sleet]

or another IMC just for the flashlight and any other stuff that needs to only work outside the closet

[dusky cobalt]

when you understand it its crazy powerfull tool

much more straighforward ''modes'' nstead of using booleans and diging yourself a grave with amount of them

[topaz condor]

yea i havent played with it much so im just using the templates and adding the the current imc, so when i create a new imc does it need to be called on the closet blueprints?

[dusky cobalt]

you can call it from any blueprint I think if you Get Player Controller there

[maiden wadi]

Honestly. Most of this looks optimized as far as BP goes. But there are a lot of loops here in this one function. Depending on what is in these structs, I could see this triggering the loop counter easily.

Without C++, I would say you need to spread this out over some frames.

[eager python]

Yeah. This function searches my list of possible Rooms for one that fits against a Door without overlapping any existing Tiles.

Elaborate on spreading it over some frames?

[steel star]

hm you can make a blueprint function call into an async task of some sort? not something ive tried looking into yet

with like, idk a yield node

[eager python]

I suppose I could also just scrap it and start over, and make it generate one Room at a time, but I feel like that's boring

[maiden wadi]

Like uh... Hard to express easily. But I mean doing some logic, do a DelayUntilNextTick, do more logic, wait do more, wait, etc until it's all done. It's not the easiest thing to start doing, but once you get used it it, it's really worth it. You get much less hitching in the game, better loading screens, and you can pass console certifications. 😄

[eager python]

Interesting.

[steel star]

makes sense to me, delay until next tick would be the yield node i was figuring existed

[topaz condor]

do i gotta add the imc to the project settings?

[eager python]

Bonus question: Am I messing up by doing the planning and math via the construction script?

[steel star]

will it resume the blueprint at that point without being called again, i assume?

[frosty heron]

Only latent async task I used is Gas task

[maiden wadi]

Unsure. I'd say no unless it's causing issues.

[frosty heron]

But you can see load async code as well

It will have a pin in the bp when a certain task is complete. Basically just a delegate broadcast

[dusky cobalt]

Nah, just use Get Player Controller > Get Enhanced Input > Add Mapping Context/ Remove Mapping Context based on situation. You just need to think when you want player to have input that switches doors and when it doesn't need it because it does anything else.

Treat it like now player enters Opening/Closing Door mode, when he leaves remove it so you are back to the ''default'' one that you already have.

[maiden wadi]

It's basically just a callback delegate. BP just allows these without creating a specific function to handle the callback and instead triggers the exec line past the latent node.

Yeah, what Cold said. 😄

[eager python]

Alright, I'll see what I can figure out. Thanks for the advice!

[topaz condor]

ahhhh that makes sense, ok thank you

[maiden wadi]

My final advice would be C++. Even if just to create nodes to loop through data. Generation stuff is really brutal in BP due to copies and such everywhere and the general issues with performance. You do a ton of loops, recursion and data lookup for generation and BP just breaks down with this stuff. Couple loops in a C++ function won't blink where as the same thing in BP can cause a frame spike, or break the loop counter.

[inner vessel]

https://www.youtube.com/watch?v=CKPd1zC6XZ8

Hey y'all, I want to figure out how to do exactly what's going on in this video. There's not a ton of documentation on splines.

I want to do this, but perhaps automatically. So when I get within a certain distance (easy blueprint) of the spline, it only once adds 3 points between the last and second to last point ALONG the curve that's already created.

[mighty coral]

Hi all,

I am wanting to build some lag-free custom multiplayer character movement in blueprints, but can't do it with a server authority without introducing network lag.

I have found this pack on marketplace: https://www.unrealengine.com/marketplace/en-US/product/general-movement-component but it has a lot of features that aren't required for our project and feels a bit like overkill.

But then again, maybe it isn't overkill. "Implementing lag-free, server-authoritative multiplayer movement is a notoriously difficult task and very hard to get right - the GMC will help you immensely with this by automating almost all of the complex setup required for you."

Are there any other plugins or solutions to this problem? Our team has a lot of blueprint only devs and would much prefer to design our movement abilities in blueprints. They aren't complicated -- they just need to be lag-free.

Thanks!

[lunar sleet]

understandable, but without using #cpp you won't get very far along towards that lag-free goal.

#multiplayer can help but bp only multiplayer is...difficult at best

[stone obsidian]

Does anyone know a good tutorial for equiment slots for ue5?

[wise ravine]

I've got a 'Make Soft Reference' and not a 'Resolve Soft Reference'

[mighty coral]

Thank you. Basically I am just hoping for a plugin which can work some C++ magic to allow creation of custom character movement in blueprints without having to run the input through the server first

I think it's called network prediction but I don't know all the terms

[frosty heron]

You can only go so far with blueprint when it comes to that. Even with those plugins (GMC) from what I heard.

The term you looking for is client prediction btw

Right now you have 3 choices, the cmc, GMC or mover 2.0. All of them require cpp at some point if you are doing multiplayer from what I read

[wise ravine]

nevermind! fixed it

[frosty heron]

Share the solution 🔪

[wise ravine]

I just made the Item Mesh a soft object reference innately instead of a hard object reference

[inner vessel]

Any super cracked spline users out there that can answer this

[mighty coral]

Great thanks. Seems that Move 2.0 still has some issues to iron out. GMC seems robust but might be overkill -- their whole point is network custom movement without C++ it seems

And yeah final alternative to do C++ with CMC ourselves I suppose

[fiery sierra]

I'm not super cracked at it, nor do I know how to use one since I'm new to all this. but this might help? https://forums.unrealengine.com/t/add-spline-point-in-runtime-from-blueprint/467319/2 after that I'd assume they just spawn a sphere actor, and trace the hit position under the cursor (or line trace) and change the values accordingly??? Not sure if this is helpful but yea

[frosty heron]

That's the path of least resistance and thankfully someone made guide about it already. Look up delgoodie cmc video

[hollow galleon]

C++ is great @mighty coral, join the dark side 🙊

[trim matrix]

depends

[hollow galleon]

what depends

[trim matrix]

C++ can be not great sometimes

(hard)

@worthy jasper any more questions on advanced BP stuff?

[worthy jasper]

not from you xD

you dont know advanced

[trim matrix]

ask me some

(medium)

[worthy jasper]

your not even novice

[trim matrix]

question me

[hollow galleon]

Well then yeah, I am bias asf I was just saying its great 😆

[worthy jasper]

already asked a question and it took a minute to get that answer....ive procrastinated enough on my project tonight XD

[worthy jasper]

and to clarify I dont hate you. Not at all. But it is a little tone deaf when your saying something is easy when answering a simple question is hard for you in your learning stage 🙂

[maiden wadi]

Can you guys go back to C++? We like actually having vaguely intellectual conversations in BP.

[mighty coral]

"join the dark side" is enough to sell me on just about anything 😆 👹 💀

[worthy jasper]

what you think we do in cpp? We....ok fine

[storm shale]

The dark side would be blueprints though tbh, just addressing the analogy

[mighty coral]

Yeah thanks I just found this. Also learned from this video that the CM component as it is already supports networked predicted teleporting which is cool

[hollow galleon]

we await you in #cpp

[maiden wadi]

😂 Pretty much. But for real, don't let Cat get to you. Still not sure if he's a troll or a gpt bot.

[trim matrix]

I knew you hated me :3

[hollow galleon]

https://tenor.com/view/why-not-both-why-not-take-both-gif-11478682

[trim matrix]

I'm neither

[worthy jasper]

nah cat doesnt get to me was just having a little fun. Im going with troll and chatgpt bot XD

[maiden wadi]

Hate implies care. Don't have time for that.

[storm shale]

A bet cat knows advanced blueprint networking strats (not /s)

[trim matrix]

that's a great ass response

[open dune]

anyone working on a spiritual sequel kind of game?

[maiden wadi]

Every game made in the last 20 years?

[storm shale]

What's the best advice you have on blueprints?

[open dune]

no, being inspired by different games is one thing but basing the entire premise and gameplay primarily around one game is different imo

[trim matrix]

(my answer was to Authaer) but my advice would be to understand BP and then when you are confortable, learn C++

[open dune]

anyway, there's a little less known game called Space Rangers HD https://www.gamespot.com/a/uploads/scale_super/gamespot/images/2006/040/reviews/712226-920464_20060210_002.jpg

i'd love to see this game done in 3D one day

[storm shale]

Would it be better in 3D?

[open dune]

yes because that's what the original devs intended but could never make

[maiden wadi]

Could be neat.. Man I miss old UI styles.

[open dune]

yes, very diegetic ui

buttons feel like they're part of the ship

[faint pasture]

my man

diagetic is the way to go

me and all my homies HATE our immersion being ruined

[slate oracle]

AGS is for New World

[quaint fable]

I could really use some help here. I was following a tutorial and I have no idea why this isn't working properly.

I am implementing an interaction system. The way this system is set up is probably more complicated than it needs to be. When I press the input key to interact, "IA_InteractHold", the player character should try to interact from this function in an actor component.

I end up with this error:

I'll show screenshots for the rest of the code in the next message

I have it set up so that the player character trace will detect the interactable object, which displays an outline and a widget. After pressing E, it should execute a function. In this case I have it set up so that a light will be set to visible, but nothing happens. The "BP_TestInteractionItem" is the actor I'm using to test this

[graceful sage]

The part you set the variable need to see more to the left and what event it is

[quaint fable]

which part?

[quaint fable]

the current interaction widget variable?

[quaint fable]

If so, that's in the screenshots that show all of the AC_InteractionTrace Event Graph

[faint pasture]

Why the DoOnce?

[graceful sage]

Like the trace is it running on tick or what

But your trying to get widget that doesn't exist yet I think just by glancing I'm on phone so it's a pain go look at

[quaint fable]

I followed this tutorial series on youtube

https://www.youtube.com/watch?v=yTkdnibL42E&list=PL3TrrCsmmxlmNTR5FbExgWsK7p-DjBIZA

Is there a more stream lined way that I could do this?

[graceful sage]

Look into bp interfaces

But I haven't checked video so not sure

[old sand]

Question. I made a dialogue system based off of a tutorial, but the dialogue is timed. Is there a way to keep the dialogue shown until the player interacts with it?

Here's the whole bp for the hud

Let me know if anything else is needed

[faint forge]

Did you find a solution?

[stable fossil]

no

I ended up storing the variables somewhere else

[fiery sierra]

I need a little help, I'm trying to clamp the rotation of my character, I cannot figure out how to clamp it properly. The method I am using is to rotate the upper torso of the character with the camera, however it breaks whenever I try to clamp it, or only works if I look a certain way. Any help is appreciated !

[fiery sierra]

where are you trying to access it?

[faint forge]

from AnimBp, or even the Bp of the character

[fiery sierra]

https://forums.unrealengine.com/t/how-to-acess-control-rig-variable-in-blueprint/271442/2

[faint forge]

I already read it, and the conclusion seems to be that there is no way

[lilac storm]

Hello devs , plesae help , i am trying to set Scalability Settings to Low ,but Textures , Effects , Shadows and Post Proccessing is got reset to Epic every time , how to fix it ? anyone faced same issue ? plesase helppp

[dusky cobalt]

You should use overlapping event to detect when you are in the range of interaction and then when you interact you interact with the thing that you overlapped.

Or when you click IA_interact it shoots line trace, checks what it hit and send event Interact to that actor. Don’t use do once and so many booleans. Do it in the most simple way - click - check - send interface event > interface event on that thing does something (can be different thing on each item). Then you can add boleans and checks that you need.

[frosty heron]

Sounds like you need to put the actor rotation into account

Btw that start and end location can probably be done in the anim blueprint

Also I don't see any clamping logic there?

[fiery sierra]

I removed it all, it was such a mess.

[fiery sierra]

I definitely do, this is what I'm unsure of

[frosty heron]

I got head tracking work with clamping

Still at work right now tho

[fiery sierra]

if you could share once you're home, I'd like to learn

[frosty heron]

Yeah sure, it's not exactly the same use case but I don't see how the math would be diff

Find look at rotation but involve the actor rotation, iirc I have to subtract one of the axis.

Then it would work on all angle

[fiery sierra]

oh wow ok

yeah I've spent probably 6 hours getting it to where it's at

a lot of it was getting it to initially work

[frosty heron]

Well I can't do math, got this from the internet

[fiery sierra]

I feel that

[frosty heron]

Had my challenges too, did this like more than 8 years ago.

[fiery sierra]

oh damn

yea I been using ue5 for like a week

my biggest accomplishment so far has been a small 2d top down with projectiles, killable actors that spawn randomly and mouse rotation in the 2d top down

[vast mason]

Hi everyone!

I'm having an issue with my PS5 console. When I install a new version of Unreal game, the save data from the previous version gets corrupted. However, if I reinstall the same version of the game, the save data remains intact unless a new build of the game is installed.

Does anyone know what could be causing this problem?

[frosty heron]

@fiery sierra are you just doing it for hobby or more than a hobby?

If you are comfortable with bp, you should start learning cpp imo. I regret not learning it earlier

[fiery sierra]

as a hobby, the goal is to get my GED and do this full time at some point. but I actually know C++ ! I would just need to learn the namespaces etc 🙂

[frosty heron]

Well that's just the intro, I know a very tiny bit of it but enough to make little things here and there that's not possible in bp

You should at least declare your structs in cpp

Save your self from corrupting your project

[fiery sierra]

oh definitely, I wanna learn the engine a lot. My boyfriend is about to graduate with a BA in game design from full sail university, and we wanna make games together, so I pretty much said now is better than ever to start learning.

I previously did C++ menus on CoD but I just wanna do this shit tbh

[dusky cobalt]

and enums 😄

[fiery sierra]

So how would you go about accessing the stuff declared in cpp or h files? (if h is even useable in ue5)

[frosty heron]

I heard about the issue with enum, but I never experience it my self.

Still I declare the enum in cpp now anyway since if I do it in bp, it won't be reachable in the cpp land

[frosty heron]

For structs, you just access it normally. It will exist in the blueprint if you declare the struct as blueprint type

[frosty heron]

Variables declared in the header marked with UPROPERTY and blueprint read, will be visible in your blueprint

If you are considering using cpp at some point , better to start declaring variables there before you start the game with your bf

Saves you time from refactoring

[fiery sierra]

Truu

I’ll keep that in mind!

[young meteor]

Hey folks

I'm trying to limit the rotation rate of enemies because right now the just "snap" the rotation towards their destination when this destination change.
Where would I find such a setting (if there is one). I tried adjusting "Rotation Speed" and "Rotation Rate" in the screenshot without luck:

[frosty heron]

1200 is pretty fast imo

[young meteor]

tried setting it to 0,12. No difference

[frosty heron]

If you are using cmc, I'm pretty sure rotation speed does the trick for me

How are you rotating the character?

[young meteor]

I'm not doing it manually. Just using an "AI Move to" node.

[frosty heron]

Sorry not rotation speed, it should be rotation rate

Play around with each of the axis

[young meteor]

The 0's might be unlimited? Testing..

No luck no matter what I do.

[dusky cobalt]

Try to uncheck Use Controller Rotation Yaw

in class defaults in Pawn category

and then you have to go to Character Movement and check Use Controller Desired Rotation (true)

[young meteor]

Testing

[dusky cobalt]

and then you can use Rotation Rate (Z) that is Rotation Rate per second

[frosty heron]

That sounds like the solution

[dusky cobalt]

so if you set it to 10 it's gonna take 36 seconds to rotate 360*

if you set it to 360 (default) its gonna take 1 second to fully rotate

[young meteor]

Now it is indeed affecting rotation rate. So it accomplished what I asked for.
Sadly it still looks janky. Probably can't get around that without updating destination much more frequently though.
(The issue is enemies moving along a spline looking janky when they turn corners)
Only update destination every 0,2 secons at the moment because I try to have it somewhat performant.

[gentle urchin]

cant you just update on tick ?

[young meteor]

But I highly appreciate your help. It does at least smooth it a bit.

[gentle urchin]

chiming in at the end here, got no clue what you're doing 😄

[young meteor]

Could. Just seems the "AI Move To" node is already taking up quite a bit of performance when looking in UE Insights tool.

So was trying to reduce how often I do it 🙂

[dusky cobalt]

I think putting it on tick with 0.2 rate is a bad idea?

[gentle urchin]

yes

[dusky cobalt]

There must be better way 😄

[gentle urchin]

if you go tick, just to full tick

[young meteor]

Doesn't look great 😄

[gentle urchin]

it's movement so tick is fine

required ,even

[dusky cobalt]

I tried this too, I'm sure it's not the right way to optimize, it just looks horrible

[young meteor]

Could maybe do logic for making it tick at 0,2 and then when a turn is ahead up it to every tick, and then back to 0,2 or something after turn.

It's a predefined path, so should be doable.

[dusky cobalt]

I really wish I could help you with the right anserw, but I think (just talking from my experience), it's not something you have to really worry so much right now?

[frosty heron]

My A.I follow my player on tick

[young meteor]

Best thing is probably to run a test with 0,2 and every tick and see what difference it actually makes in UE Insights first.

[frosty heron]

I don't see any performance drop

[remote meteor]

you want to look at the thing in UPathFollowingComponent

uhh i forgot what is it exaclty

[dusky cobalt]

You know I was really stressing about performance in my game and recently I packed it, spawned 50 character meshes and it was working without any lag, meanwhile when it was in the editor it was strugling 😄

[remote meteor]

but it matters with the facing of the actor towards its sub-goal

and also the velocity of it

[young meteor]

Not sure what this is

[remote meteor]

UPathFollowingComponent is automatically added to the controller when AIMoveTo is used

[frosty heron]

Gc don't really do wounder in editor. Most of the stuff that is loaded, remain loaded

[young meteor]

I'm not that lucky (probably experienced is a better word) 😄

[frosty heron]

I made a space war mini game inside a game I'm working on.

Finished it, then when it comes to test, I scrapped it because I was lagging in editor.

Turns out it didn't even cost me 2 frames in packaged

[young meteor]

Running only 30-60 fps in my packaged game.

Don't expect all players to have comparable PC specs (not that mine are super good)

[frosty heron]

Anyway I set the goal every tick for my A.I. no issue on performance on my end that I see

BT is running every tick

[young meteor]

Okay. Goal = MoveTo?

Or you mean something else?

[frosty heron]

Move To gets called every frame too iirc

Move To (goal (vector))

Since my character constantly moving

[young meteor]

Okay. Thank you. Will have to test in the end. Gets me a clear answer.

[devout tide]

Move to is not called every tick, it simply fires a Move To event. Observing the target actor/location might be doing that though

[frosty heron]

The context is a behavior task that runs moveto every tick

A.I related

[devout tide]

I get that, but the BTT also only fires that once

[frosty heron]

Depend on how you set up the BTT

[remote meteor]

firing it on tick means their path will be updated every tick

[frosty heron]

Mine just keep running it every tick as long my A.I is in following mode

[devout tide]

Well, if you setup your BTT to constantly call MoveTo, thats something to optimize already to only call when necessary

[frosty heron]

Yup, and if I call it once then I would be doing it incorrectly

Since it will just move to the initial location of the player instead following the player all the time

[devout tide]

There's already dynamic nav mesh update and observing your target location/actor for any changes

[frosty heron]

I dunnoe about optimisation

[devout tide]

Did you check to observe the value?

[remote meteor]

you need to use Actor rather than Location tho

[frosty heron]

But I am not gonna optimise something when I don't need to yet

[devout tide]

Its a check box in the MoveTo BTT

[gentle urchin]

and its the AI stealing all the resources?

[devout tide]

Better earlier than later, its a general approach to do things right in the first place

[remote meteor]

when you have the actor reference, the path following component will update the goal to the target location

[frosty heron]

Isn't that called micro optimisation?

[young meteor]

No not all. Was just a noticeable part, so tried to optimize it a bit.

[devout tide]

Calling Move on on every tick? Not really

[gentle urchin]

Gotcha

[frosty heron]

Well not gonna argue with something I don't know about

[gentle urchin]

isnt there specifically a spline move comp aswell? if they're moving along splines..

[frosty heron]

But I am not seeing performance issue on my end

[devout tide]

You just check observe value and your issue is fixed, rerunning a task can also block other logic in your BT ad overall this is not the idea with BTTs unless actually necessary

[gentle urchin]

predefined path aka spline could just go with a regular tick update imo

[devout tide]

observe here will move to the blackboard key actor without having to rerun the task from the BT

[remote meteor]

oh if we are asking the ai to move along a spline (with actual curve)

tick is the only way

[gentle urchin]

tick is always the way for movement 😄

[remote meteor]

ai move to is just basically straight lines

[devout tide]

AI move to uses a specific pathfinding route

if you want to follow a spline, thats a different story

[gentle urchin]

Indeed

tricky to get ai moveto to follow a spline

can be done, but tricky

overriding nav area under spline etc

[devout tide]

You can basically split it into a few MoveTo tasks by dividing the length/distance of the spline with the distance per move to, something like 100/200/500 unreal units depending on how precise it should be

[gentle urchin]

thats also an option

many ways to Rome™️

[devout tide]

Then just move to that location using the "Get location along spline distance" and each time it moves, you move to its current distance + to add distance

[gentle urchin]

Im also using splines in my AI setup

[young meteor]

I indeed want to move along a Spline with a curve (and turns). Watching your inputs intensely 😄

[frosty heron]

I mean sometime we get to the point where people fear line trace on tick.

Again I know nothing about move to performance wise but just saying before I optimise something that is not an issue, I would at least would like to know if someone already profile or have issues with it.

[devout tide]

Again, wouldnt use tick to move to each unique point of a spline though

[gentle urchin]

i limit myself to 5k traces per tick

thats enough

[frosty heron]

I will keep that standard in mind

[remote meteor]

performance is one, but requiring it is different tho

[devout tide]

If you are ticking a trace for user interaction, its fine. If you are tracing 100 AIs at once, and depending on the trace type, things will start getting slow. For example, having a few sphere traces in game going on at tick will already crash your FPS

Sometimes, there are better approaches than using a more heavy approach to do the same thing

[young meteor]

So you guys are saying I should not use an "Ai Move To" node on tick since I use a Spline.
What should I use instead?

[devout tide]

For a spline, its a bit different. I would suggest making a few Move To tasks depending on the length/distnace of your spline

then each time it reaches that spot (or potentially sooner so it wouldnt stop) you increase your target location

[remote meteor]

personally, if i need the enemy to strafe/run around target, i just use addmovementinput on tick like a player would

[devout tide]

You can use the Get Location At Distance Along Spline node for this

[young meteor]

I feel like that is what I already do.

But you are saying I should not do it on Tick, but rather be strategic about when I do it? (Near curves/corners?)

[devout tide]

when do you call this though?

[young meteor]

Now on every Tick because it looks janky otherwise.

[devout tide]

Have you tried calling this before it reaches its target location?

[young meteor]

I think I do that all the time? Trying to set a distance far enough away (depending on movespeed) that the pawn would not get there before I call the function again.

[devout tide]

so its not really then called on every tick

your branch is

what I mean is, you set your character to go to spline distance 100, once its reaching that distance - acceptance radius, only then trigger to move to the next point which would be current target distance + whatever your distance increase value is

[young meteor]

So acceptance Radius is basically ignoring calling that node again if it is not within that Radius?

[devout tide]

No, thats the radius the pawn will stop moving if within the range

[young meteor]

Ah

[devout tide]

But in your tick, before calling this event, you can check if your current location is close to your target location and if so, then call move to again but with the increased distance this time

[clever rose]

Is it possible to disable an emssive material on event?

[devout tide]

Make a dynamic material instance of the emissive material, then set its scalar parameter value for emissive to 0, but for that you must first have a scalar parameter in the material that is used for the emissiveness

[young meteor]

Right. But I would still be calling it very often because I would only set the new Distance slightly further ahead.
And I set the new Distance slightly further ahead, because otherwise at corners it will skip across and shortcut the curve if I don't.

[dusky cobalt]

If you have 10 points to go to, you should call the Ai Move To 10 times, not on tick.

[devout tide]

why not increase the distance by a few units like 100/500 depending on how precise it should be?

yeah, per point would be good too

[young meteor]

Right. But then I would need it to not just move in a straight line, but follow the Spline if possible?
Otherwise 10 points is not nearly enough if the spline curves.

[devout tide]

your spline points are following the spline path though

but thats what I mentioned above

[dusky cobalt]

You can add more spline points on the spline if you want it to be more accurate

[devout tide]

make it use distance and decrease it by the amount that feels good

for example, make it move to every 1m(100uu) passed

[young meteor]

My AI's will do this if I set a long distance.

[devout tide]

no, in the case of distance they wouldnt

and even for points it wouldnt

[dusky cobalt]

Yes, if you skip corner point

[devout tide]

cause you do have a mid point there

spline points refers to each spline point, not just the start/end points

[young meteor]

Oh, you can actually get the Spline "points" (little grey square on Spline?)

[dusky cobalt]

You need For Each Loop > Get 00 Spline Point > Get Spline Point Location > Set Target Location > Ai Move to
on succes you> Spline Point +1 > Get Spline Point Location > Set Target Location > Ai Move to > Success
Spline Point +1 > Set Target Location > Ai Move To > etc.

[young meteor]

I just got a distance along Spline and considered that a "point" in my head.

[dusky cobalt]

You can do almost anything with the spline.
You can get spline location at point (index).

[devout tide]

For each loop wont wait for Move to btw

this is the general idea

[young meteor]

And if I curve a spline instead of a corner, I just need to make sure I place enough "Points" on the spline along the curve when I make the actual Spline right? (Again to avoid Shortcuts)

This is awesome. Sorry for being so slow 😄

Thank you all.

[dusky cobalt]

Right, you basically just need trigger that will start moving and adding +1 to current location.

[cursive grove]

I have a VERY weird bug going on.

My custom VR pawn, stopped simulating physics on release, for objects.
Funny thing is, my backup VR pawn works fine.

-both are using the same grab component
-I tried deleting all other logic and just kept grab/release.
-I copied the same logic from the backup pawn
-Checked for 'casting' nodes, there are none.
-Checked class defaults and class settings
-Checked time dilation
-Checked input mapping and begin play nodes, all are the same.

I don't know what else to do 🥲
HELP!

[devout tide]

does the logic fire at all?

[cursive grove]

yes

I even print screens to see what was released and what not

[devout tide]

where is the call that simulates physics tho?

I guess its within the unreal template's grab compoennt function for releasing

you can probably add a breakpoint within that functiont o check whats going on

[cursive grove]

it runs through that fine. Yes it is the grab component. The backup pawn is using that exact same component and it works fine

Which means the problem is not in the grab component, nor in the items getting grabbed. It's the pawn, but everything looks like EXACTLY the same

I even tried duplicating it in case there was something bugged

[devout tide]

does that simulate physics node get called? Did you print string it to make sure?

[cursive grove]

Yea, it says true but stays at exactly the same place

[devout tide]

was that print string added right after the simulate physics? is there any other logic could disable physics again?

It can also be the chaos sleeping physics thing

maybe for testing, apply some force to it right after simulating physics

[cursive grove]

The problem is not in the object, as it works fine with the backup pawn.

[devout tide]

Doesnt matter, it could still sleep and not properly apply physics. Id suggest trying that

You can also try calling Wake All Rigidbodies on the physics component

[twilit ledge]

Hello Everyone,
can someone help me?
I am using this node to move my actor and at a spcfic point I want the actor movment going to 0 how can I do it?
I tried to put in impluse the yellow one value =0 it doesnot work. Does anyone know how to change my actor speed to 0?

[devout tide]

is it a physics component?

[twilit ledge]

Thanks

I am using phsysics in it

It works better than normal and do you know how to do that for rotation too?

I mean set it to 0

[devout tide]

set physics angular velocity

[twilit ledge]

Thanks so much. I am new to UE that is why I donot know too much

[final berry]

Hello! I was wondering about some best practices when it comes to implementing UI.
So far I know of two ways.
I got a levelloader map which loads in each level/phase whatever you want to call it, each of them needs to get a different UI.
Is it better to have one parent UI and then hide and show the elements I need for each level after I load them in
Or should I have one UI BP for each of the levels and completely remove all UI's and then add the one I need for that level?

Or is there a better third option I don't know about yet? 🙂

[devout tide]

Definitely separate UIs for different levels, sounds more maintainable

[maiden wadi]

Things to consider. Widgets are expensive. Not immediately. But due to the way people plaster them everywhere, they add up fast. Every widget that is not cached(they don't do this by default you have to put them in invalidation boxes), will tick it's dimensions every frame in a thing called Prepass. This runs on every widget in the hierarchy except for collapsed widgets. So you can just collapse them right? Except that there's another function that'll hit test widgets, and it has to filter out the collapsed ones, so it costs a ton even for collapsed widgets. TLDR, just don't put useless stuff in your widgets that'll never be seen.

[young meteor]

Might be a stupid question, but can I set a "Rotation" for a Spline Point?
I have flying aircraft following the Spline and are looking for some way to make them "roll". Wondering if I can interpolate to a roll based on Spline Point Rotation/roll?

[devout tide]

you can roll a spline point but ideally not the whole pline, as that would offset your spline point locations

each spline point has a transform including a rotation roll

[young meteor]

So I could just set a rotation like this, even though I can't see it changing visually?

[devout tide]

you can check the pivot Z direction

might need to switch to local first though

[maiden wadi]

@young meteor You need nav areas.

https://www.youtube.com/watch?v=vzvOM--Zv0I

[young meteor]

Was able to right click and say show "roll"

[young meteor]

Not just a nav mesh volume?

It is just a character walking. The mesh is just an aircraft.

[devout tide]

ah thats different

if you are using nav mesh then you would probably get the roll of the spline and apply it to the mesh component only

[young meteor]

Right, exactly.

[devout tide]

roll of the current spline rotation role at the currentt distance

[young meteor]

It will only happen at curves/corners so think I will just make a point before and after a corner with no roll, and then the actual corner point with whatever roll I want.

Then interpolate to and from it

[maiden wadi]

I'd be inclined just to give the spline to the AI and have it steer it's movement towards the point on the spline ahead of it. Rotations can be done based on it's figured velocities.

[primal hare]

Is this expensive use of Event tick?

[maiden wadi]

No. But why are you doing that on tick and not when you set the Food pointer?

[devout tide]

you are binding on event tick, you just need to bind once and whenever the disaptcher is called, the binded event would fire

@young meteor then id agree with @maiden wadi, calculate and interpolate with some math, would by easier to work with when mkaing more and bigger paths

[young meteor]

Not sure how to go about it from there. Any node or topic I should look up on Youtube to learn about it?

[dark drum]

You can get the closest point on a spline to a supplied vector. You can use that to get the time of the spline, add a little bit to get the new point and have the AI move towards it.

[maiden wadi]

Movement components, and by that extention pawns, work by adding a movement input in a direction. So instead of doing AIMoveTo. Each tick you can figure where the AI needs to go by getting the spline and doing AddMovementInput in the direction that is ahead of it. If you get the distance along spline the actor is add and then add a small number to it, you can get the direction it needs to move towards. You can then use it's velocity to do interpolated roll animations as the movement component will be setting this each frame.

[devout tide]

Do keep in mind this approach will not allow for any pathfinding though, depends on the kind of movement and levels you are making

[young meteor]

Good point. Thank you.

[graceful sage]

is this a engine bug? It works but I have this warning/note

[dark drum]

No it's not a bug or error, just a note about the array. The array you pass in will be a copy so any edits to the array won't affect the array that was originally supplied.

[graceful sage]

oh okay thanks

[maiden wadi]

TBH I'd love to know why that note exists. Like any C++ person can clearly see the const& array. And in BP you just assume they're copies most times anyhow.

[dark drum]

I think arrays are pass by ref by default when added to functions so probably to prevent confusion.

[maiden wadi]

But it's an RPC. "Like yeah, I was totally confused why my array by ref couldn't be accessed on ComputerB when it's from ComputerA, that's really weird."

[devout tide]

yeah only makes sense in delegates/dispatchers in bp

[graceful sage]

I think its because you used to be able to uncheck the pass by reference in an older version and now its disabled? just guessing.

[devout tide]

why is it even enabled? 😄

[dusky cobalt]

Is it possible to have Parent and Child. Parent has Interface Select This, there is some generic part of code for everything, and then in the Child I could add individual logic on top of what happened in Parent on Select This? If so, how?

[frosty heron]

does it even make sense to pass by ref in an RPC?
Like it's incoming data that is serialized in your machine

[devout tide]

no

there is no reference in an RPC, its different machines

[frosty heron]

Exactly

[maiden wadi]

It is a ref to the array, it's just const.

[frosty heron]

so It make no sense to me to pass by ref

[graceful sage]

im just saying I cant change it

[maiden wadi]

Everything in RPCs is passed as const TArray<Type>& Name. Cause it'll copy when it arrives on the machine, but you don't want it copying all the way through BP, so it's passed as a const ref.

[dark drum]

I don't get the message myself in 5.4 though. 🤷‍♂️

[dark drum]

Yes, you can override the interface function and do a 'call to parent' when you want the logic on the parent to be called.

[devout tide]

I dont recall seeing this in RPCs, maybe he is also binding it somewhere

[dusky cobalt]

If I do this, and in the parent I have branch, will this have effect on what is after Call To Parent? Like if there is false to not execute it further, will it affect the flow? Or it's gonna execute parent and then what ever is next?

[dark drum]

What happens inside the parent won't affect the flow in the child. Think of it as another function call.

[dusky cobalt]

Okay, got it, thanks

[wise ravine]

Is there a difference between these two? Functionality wise

[dark drum]

No.

[frosty heron]

less nodes using the top one

be more efficient

[remote meteor]

if you click inside the macro, you will see they are the same

[dark drum]

This is the top is valid node.

[wise ravine]

Oh right

@dark drum Your inventory tutorial series has been very helpful btw

[dark drum]

Glad you found it helpful. 🙂

[maiden wadi]

Pattym and Ghislain Girardot, slowly changing how I feel about youtube. 😄

[vast bone]

Play montage is looping the montage animation , how do i stop it from looping

[devout tide]

maybe your montage section is set to loop?

[vast bone]

Where do i set that

Let me check

[devout tide]

this would loop

this would fix that

[dark drum]

Ghislain is an incredible artist. I love watching his videos just for the concepts.

[ivory spoke]

Hey, regarding the UObject Item stuff - is it right that every item will be a uobject? is there a way to manage this objects in a list (as data tables does) or is this the way to go :)?

[maiden wadi]

His tech art demonstrations are what started me down some of my most recent learning paths. He has some amazing content and presents it in a very easy to follow manner.

[maiden wadi]

You're mixing the static data and runtime data again. You still put the static data in datatables or data assets. You instantiate uobject to hold runtime data.

[dark drum]

If you want to edit data in bulk, the closest you can get is by selecting the objects you want to edit and then right click, asset actions a click edit selection in property matrix.

[dark drum]

Agreed.

It bugs me that you can set a variable as instance editable and private but it doesn't actually show up when the component is selected to set it's default value. :/

You have to open the property matrix to change it.

[maiden wadi]

Oh, BP private actually works? I swear I tried using that once and I could still use it in another class.

[dark drum]

Yea it works. I do wish you could set variables as protected though so you didn't have to create getter and setter functions just to handle them in a child BP.

[maiden wadi]

I have actually never focused on that in BP. 😂 I'm meticulous about it in C++ these days.

[dark drum]

I've found myself using private and protect stuff more. Mainly for my own sanity when i don't look at something for a while. Stops me from doing something stupid a system won't handle well haha.

Even setting a BP as abstract can be useful so you can't create base classes that wouldn't actually function lol.

[devout tide]

Having private checked and still copying a Set node from one BP to another bypasses it though, at least it did in previous versions

[jagged moss]

could someone explain something for me?
Im currently learning, and I realised if I put "AI MoveTo" right after cast to FPS_Character_BP it moves to x00 y00 z00, but if i put it after the "SET" as shown in the picture it follows the character, could someone explain it to me why that makes a difference?

[dark drum]

It should flag as an error now.

[devout tide]

because you are moving to GoalActor before you set it, so its moving to nothing

in that case you would do this

but, no need to cast at all if you are only using it as a GoalActor as it takes an Actor object reference

[jagged moss]

ah, yea i see it now ^^ thanks ^^ its so easy to get lost in the wrong thought

[maiden wadi]

They're probably using the cast as a filter.

[jagged moss]

im following a course so i think it will clean up a bit later, first it was making it print a string instead of moving, and now im adding movement as a task

This was the correct solution to the task x)

[devout tide]

right, not sure how I missed that 🤣

[ivory spoke]

Hm, I need to see an example or work with it. This evening I will start based on pattyms tutorial maybe this will enlight me :/

[dark drum]

What do you mean by example? example of what exactly?

[sinful topaz]

I'm following a youtube tutorial and I have a problem with this for each loop only outputting the first state in the make array node. The reason for the make array node is to make it so that tiles on my grid will be displayed with color in that order. Right now it only shows the first color

[maiden wadi]

In the inventories you are used to. You have an array of structs holding runtime data. And then you have a datatable which holds their non changing static data.

This translates directly to having an array of UObjects holding runtime data and still having a datatable holding the non changing static data.

[devout tide]

branch most likely never being true?

States is empty?

Set your States from that make array, then loop

Ah wait, you are returning

the function would end short in the very first return, which stops the function

[ivory spoke]

@dark drum @maiden wadi mentioned that i mixing static data and runtime data. And I put static data still in Datatables. Actually I dont know how this will work. Actually I also have no clue what "You instantiate uobject to hold runtime data" exactly mean. Hope I will get it after you video 🤣 .

[devout tide]

what is this even supposed to be doing? 😄

[dark drum]

I don't use a datatables, I'm to indecisive to commit to static data for items haha.

[final berry]

So you would advice to any kind of hiding in UIs? Just add whichever UI BP you need to the viewport and remove all those that you aren't using, not showing/hiding when needed, even within the same level?

[maiden wadi]

You should, at the very least for stuff like descriptions and such. It avoids savegame bugs. You release 1.0. Designers decide to change a name or a typo needs fixed, or localization breaks the FText key etc etc etc. If you have this as static data, it just gets fixed. If you save this with the item, it'll load broken.

[devout tide]

just use something like this @sinful topaz

[dark drum]

In my approach, all the data is mutable for each item. You could if you wanted use a data asset on the uboject for storing your immutable (not changing) data for your item.

[maiden wadi]

That said. I don't use Datatables either. Every item has a UDataAsset that defines it. Each UObject item in the game just has a pointer to that data asset.

[frosty heron]

and that Data Asset just provide default values I suppose?

when it comes to saving, do you just store them in a struct?

[devout tide]

Depends on where you save it I guess

[maiden wadi]

Hiding small things is fine here and there. But if you have many things that change based on the level and are not seen, I would just remove them instead of hiding. Or make different sets of UI.

[dark drum]

Yea definitely. I normally use getters in the uobject for most data anyway so having it pull static data from a data asset is a pretty quick change later down the line.

[maiden wadi]

I just save the UObject. I use the Serialize method so it saves and reloads everything in the object automatically. No extra structs needed.

[devout tide]

isnt this causing way larger files?

like lets say you would save that on a DB later on

[maiden wadi]

Why? It's the same data.

[devout tide]

oh not sure how serialize data works, is it saving all variables and class?

[maiden wadi]

There's a SaveGame flag that lets it only grab stuff marked SaveGame.

[dark drum]

It should just be the variable with the 'Save Game' flag i believe. Serializing a uobject isn't exposed to BP though so you'd need to use C++ to do it.

[maiden wadi]

It would be the same as creating a separate struct and putting the data in said struct and reloading from it. This is just much less tedious and manual. Cause I just mark the right properties.

[devout tide]

Right, I remember making json files for a similar approach but I guess this is a more built in feature

Right, so then I guess its the same approach almost

Thought it was doing some sort of memory saving for the whole object etc.

[maiden wadi]

I'm still not sure why Epic won't expose that for BP stuff. Serialize and letting people set Actor's spawned names.

I guess same reason as always. "Every studio has a programmer".

[dark drum]

I use a structure for the data inside every item and then handle the serializing myself for the unique variables in each item type. It's not too complicated but yea it is a little tedious lol.

[dark drum]

Yea, even just being able to get a string of the variable marked with the 'save game' flag would be useful.

I made an inventory system once where the items were save game objects. Made saving a breeze haha. I wouldn't recommend it though as you end up with a ton of save files.

[frosty heron]

I need to learn how to do this 😄

[dark drum]

Yea, i'm just waiting for @maiden wadi to drop his first tutorial. 😛

[old sand]

Is someone able to help me with this?

[dark drum]

Instead of setting the widgets visibility when all the texted has been added, have it set when the player interacts.

[wise ravine]

@dark drumWhy do I need this Validated Get for the Item Type. It messes things up even with Updating Item Mesh on begin play