blueprint

[gentle urchin]

Which would add and bind to the specific collider shape

On a per child basis

Parent would then hold the rest of the logic

[eternal cairn]

I thought about overriding the root component in the parent's construction script, but i couldn't find the right functions for it.

[tight schooner]

Or you can have the parent/host actor class "interface" with it as a generic primitive component if it knows which one to get. (Get components of class / with tag?)

Or if you want to do sort-of timelines in a component, you can do something timeline-ish with curve assets and some tick logic.

[eternal cairn]

By all means the logic i am doing makes more sense as a component. I guess i could look into messing with enabling tick when needed, and doing things in tick.

[tight schooner]

Yeah, Set Actor/Component Tick Enabled is in my top 10 BP nodes lol

[eternal cairn]

It's fairly simple what i'm doing. I'm essentially just giving random rubble on the level the ability to teleport (long story why), and i just need a timeline to write a material scalar on the meshes so it fades in and out when teleporting. It makes a lot of sense to me that this logic should be in a component.

[tight schooner]

If it's a simple ramp then FInterpToConstant should be enough...

[gentle urchin]

Id probably make a manager for this and not a component

Gives you way better control in a random scenario

[true valve]

How can I use a timeline to select a value? Let's say at speed 1000 i want the timeline to return me .5 and at sped 200 return should be 1, etc. The reason behind timeline is that It will go from .5 to 1, etc.

[tight schooner]

Not sure what you mean by speed but you could use a regular old Select node

to pick a value based on some condition

[true valve]

For example, speed goes from 0 to 1000.

[eternal cairn]

Seems like you just want a curve where when X is 1000, Y is .5. And when X is 200, Y is 1. And whatever more values you have.

[true valve]

I want the output to be 1 to 0.5. It will smoothly go from 1 to 0.5. That's why I can't use select.

[gentle urchin]

Map range clamped

[true valve]

What goes in val? My in-rA is 0 and in-rB is 1000. OutrA is 1 and outrB is .5.

[vapid ibex]

Both. Like, NPCs for instance, some of them will be on the level from the get-go, others will be spawned due to gameplay events. Same for items. While items don't really have anything complex and I'll need to just delete everything and respawn them from saved data, NPCs with AI are more complex.

[gentle urchin]

Val is your speed

InA is 1000, inB is 200, outA is 0.5, outB is 1.0

[icy dragon]

What even is this supposed to mean

[gentle urchin]

Or inA is 200, inB is 1000, outA is 1.0, outB is 0.5

[tight schooner]

Or just make a new float track in the timeline

[gentle urchin]

This is a way smoother approach 😎

Map range is underestimated!

Id ditch the timeline entirely really

It doesnt seem to serve a purpose for this

[vapid ibex]

But currently my main issue that I'm using a plugin for making my dialogue system, and the dialogue in that plugin is stored in an asset that's being loaded into an actor. So I need a way to differentiate these assets in order to code a system that will remember which dialogue options the player had already seen in which dialogue, in order to skip them. Before I used soft reference to the asset as a key in a map array, but now when it came to saving this message history, I need an ID string to differentiate them.

[fallen glade]

What do you mean by manager?

[gentle urchin]

A manager class, responsible for managing a bunch of actors

Like these rocks or whatever as an example

[fallen glade]

Is that a thing? Do you mean a bp to control the rocks? or is there a manager actor?

[gentle urchin]

Or all the ai controlled workers in some settlers game

[gentle urchin]

A bp to control the rocks yes

[fallen glade]

I get it, thanks

[gentle urchin]

Instead of slapping components on a random number of rocks

You let a manager control all the rocks (or a random amount)

[fallen glade]

Makes sense

Thanks!

[woven ermine]

hey

why isnt this working ?

etc

[fallen glade]

What's n_snowfall?

probably it's not ready try a it's valid branch with it first and see if it goes through

[woven ermine]

its a particle from my pawn

its this one

[fallen glade]

is it valid when you cast to it's parent?

[woven ermine]

you mean like this ?

its valid yes

hmm but

this isnt

@fallen glade

i dont understand why its not valid

[true valve]

That works thanks.

[tight schooner]

@woven ermine basically impossible for us to say. Does the particle system compile? Does that component even have a particle system asset set for it? Does the BP script destroy that component somewhere?

Idk I'm straining to think of scenarios where your particle system component is invalidated

[woven ermine]

yes it works fine

whats worse, in 5.0.2 it worked

I mean what i was doing so far worked in 5.0.2

[tight schooner]

Maybe it's cursed. Try deleting component and remaking it

I really don't know, sry

[woven ermine]

😦

[tight schooner]

Can fixed particle system components (added to the BP class; not at runtime) auto-destroy?

Like does the particle system play out and self destruct?

Just brainstorming situations

[woven ermine]

no

its just a snowfall

it plays continuously

the thing is :

IF i do it like this it prints VALID

[woven ermine]

and this is invalid

but its the same thing

am I missing something

[tight schooner]

What is weather 1? A function somewhere?

[woven ermine]

yes

its a function

[tight schooner]

Is that function called at beginplay?

[woven ermine]

no

[tight schooner]

Yeah I really don't know. I've been using Niagara since beta and I've seen all manner of bugs and crashes over the past year or two lol

One of the paranoid habits I've picked up from those days is spawning Niagara systems at runtime rather than adding them to the BP class as fixed components

So that's a random ass thing you can try; maybe the issue will magically go away but no guarantees

[dry condor]

yeah somtimes UE bugs are super stupid, like i just spent a ton of time trying to figure out why the viewport controls in one of my projects were not working anymore (couldnt move in viewport).
After hitting play once it worked again 🤦‍♂️

[gentle urchin]

But.

[woven ermine]

im not sure its a bug (this time) i think its something im doing wrong

[gentle urchin]

You should

Not read it directly

[woven ermine]

im doing this now

[gentle urchin]

The good ol' safe approach is a getter function

GetSnow

Which checks if snow is valid, and if not, creates the system, assigns it. And returns the new system

Failsafe method

[woven ermine]

FIXED IT

sec

ill post ss

@tight schooner @gentle urchin @dry condor so on begin play i cast to the player pawn, get the particle, set it as a variable

then I can call it

[gentle urchin]

Id still say its good practice with the get'er function

[woven ermine]

etc

[gentle urchin]

And not allowing external access yo variables directly :p

But if it works it works

[woven ermine]

yeah

but

what do you mean by get'er function

can you show me ?

[gentle urchin]

Not at pc

But its just about creating a simple get function in the weatherclass

[dry condor]

you would create a new function, like you do with i.e. a variable. and then you make it do the stuff you need it to do, i.e. check if the particle system exists and if not create it etc.

[gentle urchin]

A pure function, returning the system in question

[woven ermine]

ah

i know those

ok

but for now ill leave it as it is

but

i have to do it in the pawn bp right?

not the level one

[gentle urchin]

Depends on the accessibility you need i guess

Does it make sense to have the weather system in the player pawn?

[woven ermine]

no

[gentle urchin]

I would think so since its a relatively local system ..

[woven ermine]

i just need to have the particle there

[gentle urchin]

But im not sure where people do weather systems in general tbh

Some of it would be global

But thats probably just a global material parameter

[dry condor]

game mode i would guess

[woven ermine]

I have a particle system in front of the camera (snowfall), and it gets changed in the level, like after the player enters a cave it stops, when he exists the cave it starts again but with different parameters (more/less snow, gravity, speed etc)

[tight schooner]

I'm no expert but if I had to make a similar system, I'd probably make snowfall an actor that tracks or attaches to the player rather than resides directly inside of the player pawn class. In my current project I have an atmospherics actor that contains/controls a lot of stuff... Directional lighting, volumetric fog settings, volumetric clouds...

[gentle urchin]

It would make sense to keep it external aswell.. like
.. usually theres enough crap going on in the player bp :p

[tight schooner]

Yeah

[limber parcel]

why not make it a niagara system?

[tight schooner]

The snowfall already is, but then you wrap it in an actor that can set its location and drive its parameters

[limber parcel]

just add it as a component

and then u can expose variables and modify them in whatever its attached to

[tight schooner]

If you read the whole convo above that was the starting place; the particle system being a fixed part of the player pawn

[woven ermine]

my player bp isnt that complex, so it hold that particle without issues, its all pretty basic

[tight schooner]

Yeah you could do it that way, but if you eventually make a big, complex game, you want everything to reside in the right place

So that you're not editing the player pawn just to change how snow works

[woven ermine]

god i hope i wont make a complex game, im overwhelmed as it is

remaking a 1.2mb game into a 1.2gb behemoth

[tight schooner]

Looking forward to your photorealistic UE5 remake of Final Fantasy 6

[woven ermine]

yes but its actually skiFree

[tight schooner]

Sick

[woven ermine]

only now its called Ski3 haha

[gentle urchin]

SkiNotFree

[woven ermine]

well i would not like to charge money for this, its more like a project to test what i know and to learn new things, etc etc, its my first project from ground up

so Ski3 it is

hope bill gates wont mind

[gentle urchin]

Theres a lot of old golden games

[lyric rapids]

how do i set a max speed

[blissful widget]

Character > Get Character Movement Component > Set Walk Speed (not 100% about last node's name)

[lyric rapids]

ok what about in the air

[blissful widget]

It's tricky because it needs to be the tiny pill thing, from my experience. There's two other movement components that don't have that same param

Well you don't walk in the air unless you're Jesus

[lyric rapids]

no but when im moving in the air

im not talk bout walking

lets say i just jumped

[valid bolt]

Any pointers for where i should go if i were to make a inventory system?

[gentle urchin]

youtube

Is a place to start , if nothing else

(hope Adriel isn't around to arrest me)

[trim matrix]

How do I make Blueprint Interface functions pure?

[gentle urchin]

Dont think you can

[lyric rapids]

so how do i set a max speed in the air

[gentle urchin]

max what

velocity =

?

fallspeed?=

[drowsy veldt]

Is there a way to check if a level exists? I'm trying to implement the "continue" main menu button aka "load the last visited level", but if Open Level (by Name) receives an invalid name [from a save file], the game stops.

[lyric rapids]

both

[tawdry surge]

@drowsy veldt you can make an array of level names and if the level name you try to load isn't in the array then handle it

[drowsy veldt]

@tawdry surge Is there something more automatic? Or a way to make the list automatically?

[gentle urchin]

You might find some utility searching for assets by type or something..

https://forums.unrealengine.com/t/is-there-a-way-to-collect-all-level-names/399897

The Victory plugin has such utility function

[tawdry surge]

Yeah like squize said I'm sure you can generate it. I've never tried tho. I generally just have a default level set in a variable, so if they don't have a previous save game then it just starts a new one

[gentle urchin]

It is a bit weird that no such list is avaliable since they all exist in some project config file...

[drowsy veldt]

Thanks.

The concern isn't a null, but incorrect data. Specifically, somebody could have a save saying they're on a level that doesn't exist.

[gentle urchin]

You decide what to save tho,

So a level shouldnt really not exist

[tawdry surge]

Yeah I assumed it wasn't returning anything

[gentle urchin]

https://forums.unrealengine.com/t/check-if-level-exists/448428/3

Also this one

"Does asset exist"

Build a string, test it, and if not then no level is named such name

[drowsy veldt]

This relies on all level being in the same folder.

Which is acceptable, but a better option would be welcome.

[gentle urchin]

No, you can search multiple folders

One by one

[drowsy veldt]

Can you catch all folders automatically tho?

[tawdry surge]

What are you building where you don't know for sure if the name of the level you saved exists?

[drowsy veldt]

I'd just rather have Does Level Exist than trying to solve a bugreport why the game crashes on a particular user to find out that his save was made on a level that doesn't exist anymore.

[tawdry surge]

sounds like a silly solve for a weird problem

but all levels are world type objects. I'm sure you can find them all in the project

asset manager would be my first stop

[gentle urchin]

Placing levels all over the place is also not common

Not sure id delete olf levels directly

Id probably redirect them instead

[drowsy veldt]

Thanks

[gentle urchin]

You neeed a fallback fir when it doesnt exist anyways

[spark steppe]

you can query the asset registry

[neat stream]

It seems that I can't update a value in my subsystem.. if I print the value after patching it like so it's empty

[gentle urchin]

Wouldnt you make a function for the subsystem , updating a variable ?

[neat stream]

I did both

none work, also tried in cpp ...

[gentle urchin]

You sure the value you're reading from contains something ?

[neat stream]

yep the breakpoint

[gentle urchin]

Print it ?

[neat stream]

it does print my loaded value for testing purposes it's "Where's your mom?"

[gentle urchin]

Hmm alright. And surely the subsystem exists at that point

Guess its more or a cpp question kinda

[runic parrot]

Hi! does anyone know if there's a way to make a interface method "Pure"?

[gentle urchin]

Cant

https://forums.unrealengine.com/t/pure-functions-in-interfaces/21576

[runic parrot]

i got a workaround with a local method, but only makes sense when using within the same actor

: (

[gentle urchin]

Why pure anyways

[torpid hound]

You can make interface functions pure if you declare the interface in cpp as BlueprintCallable and const. AFAIK there isn't a way if you define them in blueprint. Probably this is because you generally call interface functions as messages in BP, rather than as a function call on the interface itself

[gentle urchin]

Im not really seeing much purpose for it anyways, but I guess i dont know much about the context here.. Pure just look nicer in some situations

[faint pasture]

What's the difference? I never did know why there's a message or interface call

Is it effectively no difference in BP?

[gentle urchin]

The interface is just a carrier of the eventcall, and doesnt contain the actual implementation

[astral stratus]

hi guys how would i make it so my pistol dosnt continue firing? https://gyazo.com/e9e9aba9d743e4dbd558f3f04bcdbde3 I tried the do once but that dosnt seem to help me unless i put it in the wrong spot

[faint pasture]

I'm not seeing anything here that would make it fire more than once

if by fire you mean play a sound and do a line trace

[torpid hound]

The message fails silently if the object does not implement the interface so you can call it on anything, like an AActor variable without caring what type of actor it is. If you have a variable where it is known to have the interface (eg MyFancyActorWithInterface or an Interface variable) then you can call the function and know it will reach the target

[astral stratus]

@faint pasture holding down the mouse button continues to fire the muzzleflash particle effect

[faint pasture]

OK so message is the "fire and forget" approach

[faint pasture]

That's all up to your particle effect. Make it not loop

the MF is looping until you release.

[astral stratus]

@faint pasture gotcha

[indigo bough]

Hey folks, never seen this before UE5... My construction script appears to be causing a strange blurred actor. Even though construction on drag is disabled, and I have a stop in which doesn't construct unless a variable changes from it's last set state, it still seems to build and then create this fuzzy mess. Anyone seen this before?

[willow gate]

Hey guys. I'm working on a random spawn location function that gets a random location from an array of locations. I don't want there to be any repeats so I'm getting a location from the array and then removing that item from the array. I'm still getting repeats. When you remove the way I am, do the other values shift?

[celest oar]

hey guys, im trying to play an animation that has vfx notifies in it, but i dont want the vfx notify to play, does any 1 know how to do that or if the engine has any support for that?

[rose charm]

I'm not sure but I think you will get another random value, try connecting the LocalSpawnLocation on remove

[willow gate]

Bro... that fixed it. Many thanks

[gentle urchin]

Theres a random node for arrays nowadays

Just fyi

[willow gate]

Guess that simplifies things then doesn't it?

[willow gate]

Appreciate it.

[gentle urchin]

It for sure does 😄

[wooden river]

hello, I implemented something like that
https://forums.unrealengine.com/t/scene-actors-bounding-square-screen-space/459787
but that box is not nearly thigh enough 😦
Do you guys have some ideas how to improve that?

I tried to use smaller object inside bigger one, using static mesh bound instead of actor, and rotating bounds with object.
Right now I'm trying to use blueprints only, cause I'm new to Unreal but if someone is willing to provide me with some exact instructions, then I can try switch to Cpp as well.

[limber wolf]

hello guys, i want to load a .pak file in realtime on Unreal... Does anyone have a tutorial or doc about this?

[trim matrix]

I have no knowledge about programming, except going as far as loops and functions to search and sort an array. How is BP? I want to make some SP game prototype, not the whole game, a single mission. I think that using games from 20 years ago wouln't do much good for a portofolio

[cyan bone]

I have an actor component just for the functions.
Im trying to create ann Add Spline Component but the node doesnt show up.
I have the reference of the Character, that is a little army.
In the Character i can create Add the Spline. Why cant i add here?

[gentle urchin]

Pretty good, easy to grasp imo. The right old game could make a great portfolio asset but each to their own :)

[gentle urchin]

Spline is a component. You can if you create the spline component and parent it to the same parent iirc

[cedar sparrow]

Should if the tab key does something different on every UMG, should I be putting that tab functionality in my UMG widgets or the player controller?

[cyan bone]

But its not working. Its not allowing me to do with there. As well as it doesnt allow me to create box collision.
I think this is because this is an Actor Component too. So is there a way around this?

[gentle urchin]

Let the umg handle it @cedar sparrow

[gentle urchin]

I can add box collision from my component

[karmic tapir]

What's the best practice to have an Actor Component require an abstract function?

• Currently, I have the AC and a separate interface, both attached to the owning Actor. Problem here is we can't 'require' an interface, so the AC and Interface are tightly coupled and will likely cause issues.
• Without inheritance, there doesn't seem to be a way to override a function from an Actor Component
• I cannot find a way to make specific functions in an Actor Component abstract, to be implemented by the owner

[cedar sparrow]

can you put key press events in the UMGs?

[gentle urchin]

Untick context

[cedar sparrow]

nevermind, i see it in there

thanks @gentle urchin

[cyan bone]

unticked ❌

[gentle urchin]

Rip

Try outside the function

In the event graph

[cyan bone]

Doesnt work. Its an actor component

i mean

im inside the actor component

[gentle urchin]

Same as mine

[cyan bone]

this is where its coming from

i think it was you who taught me this trick some weeks ago

using this to organize things better

[gentle urchin]

Daym

[cyan bone]

but if i cant create box collisions and splines. then i will have to duplicate a bunch of functions 😦

[gentle urchin]

Did i actually teach someone something 😆

Yeah i agree

Ill have to check i guess

If you try "GetParent" then add component ?

Nothing there either?

[cyan bone]

so if you create an Actor Component in your Character. Named Army_Functions.
Then go in Army_Functions. You can create a spline or box collision?

[gentle urchin]

Ill try it, just gotta get to my pc in a few min

#multiplayer

[carmine cypress]

ohh

my bad

thanks

[cyan bone]

ok thank you. Ill wait. I tried your last tip didnt work either:

i tried also getting owner

[gentle urchin]

Opening...

[gentle urchin]

Construct

is what we're after

Construct object from class

No its not

lies...

there we go

this is what im doing

hmm

doesnt seem to work in my other project...

[cyan bone]

So it worked in one project and in the other it didnt? Are you using character or actor?

[gentle urchin]

Yeah, im not sure whats different.. the parent actor is not relevant..

In the project it didnt work in, was with some random actor

But the component doesnt know that

[cyan bone]

You did exactly the same in both projects? This is mysterious

[desert relic]

What do i put in the object pin?

[faint pasture]

Whatever you want

[desert relic]

except not everything will work

[faint pasture]

You need to get at the thing you want to cast to that class

[gentle urchin]

this works, in both projects

[faint pasture]

Of course. Only MRMeshComponents will succeed at that cast

[cyan bone]

It worked here too. So strange 🙂

thanks a lot

its like we tricked the engine 🙂

[faint pasture]

Explain more about what you're trying to do. We know nothing about your setup and what you're trying to have happen here.

[desert relic]

Im trying to get navmesh to be rebuilt on runtime

i cannot find it in project settings

[faint pasture]

Navmeshvolume settings?

Don't rebuild on tick lol

[desert relic]

ah shit didnt think of that lol

[faint pasture]

There's settings somewhere to have it be dynamic. Don't try to force it like that.

[desert relic]

found it

thanks

[karmic tapir]

I posted my question from earlier to the Unreal forums. Would appreciate an eyeball or two on it 🙂
https://forums.unrealengine.com/t/best-practices-for-actor-components-with-abstract-functionality/604156

[vapid wasp]

hi guys, i need to make the same rectangle as in the video. The forum was painted exactly how to do it. I did everything as they said, but nothing happens. Can you suggest what is the reason? https://forums.unrealengine.com/t/scene-actors-bounding-square-screen-space/459787 https://www.youtube.com/watch?v=zaPAlBaMZE4

[cursive grove]

how do I set the visibility of these with blueprints?

[spiral gust]

Hi, I know that this isn't the right channel to put this in, but I'm having an issue where my packaged build doesn't use my custom game instance blueprint

Is there any ideas on why that may be the case?

[wide quiver]

How do you set up a keybind options menu in game

[deep geyser]

Look into Lyra demo

Main menu widget or smth like that, the follow the path until you find the settings widget, then keybind widget

[wide quiver]

I've been trying to google the topic but it just comes up with resources on keybindings for the editor. Is there a better way to word this/are there better keywords?

[deep geyser]

See where the normal input bindings are stored. It should be an .ini file. See if you can access and edit any of those files in runtime.

[tribal compass]

hey so i've got a problem porting ue4 mannequin arms to my project, for some reason the textures become broken. any fixes?

[deep geyser]

try another channel, this one is not for asset importing

[tribal compass]

ah gotcha

[deep geyser]

there is #graphics channel

[maiden helm]

Hello everyone, I am new to blueprint, teaching myself here, I found this issue that sometimes I write some function that work while testing but when deploy it doesn't works. I am talking about 'simple' stuff nothing that need write or write to the pc permissions, things like a UI to click a button to do something. Is there a different way to write some functions for developed games?

[deep geyser]

You didn't give any details for anyone to give you any help

[maiden helm]

the thing is happens randomly

for instance now I am doing this interactive presentation for architect, they click buttons things happens, like rotate the camera, change properties to the post processing volume

[wide quiver]

You're saying "write", are you working in C++?

There's a different channel for that

[maiden helm]

sorry no good English here

no, forget about C++

I am not a programmer or developer just an Viz guy trying to survive :p

I am working on a presentation for a building, they want to present a new building, the typical you see around

they click a button the walls change colors and stuff,

I have this button that will show up arrows and then you click again and the arrows disappear, when I test it it works fine, but when I deploy or test with stand alone game it doesn't works

I can share screen shots if you like but my question is why it work on regular testing and not when I do a stand alone test

[spiral gust]

So I have variables saved in my game instance blueprint, but when I try to load them into the thirdpersoncharacter upon entering a new level, those values are gone/reset. I have this loading variables back in the level blueprint. Any ideas on why this is the case?

[trim matrix]

can someone please explain this setup in words, kind of confusing as output result is always same when pressing Q at beginning

[cursive grove]

Order matters. When you press Q you ask it if Boolean 1 is true or not*

But you set it after you ask. So the initial value is always persistent

[cedar sparrow]

has anyone messed with the paragon minion death animations? they aren't full animations, they only fall halfway to the ground

am i supposedto ragdoll them halfway through?

[cursive grove]

On Q pressed set boolean1 to true, on Q release set boolean1 to false

If you want to change the value every time you press it, use the flip flop node

and remove the branch

[trim matrix]

I did use that, however I wanted to understand why this happens regardless of Boolean 1 being true or false?

the setup remains the same, always

[cursive grove]

Yes, your initial value of Boolean1 remains

[dry condor]

it has a default value, which i assume is "false"

so the first time it will allways go to the false part of the branch

[cursive grove]

Oh he sets it to true then

[trim matrix]

Boolean 1 Set to False on Tick and printing False

[cursive grove]

what is your initial value?

[trim matrix]

with Q pressed and Boolean 1 being False by default, what's the output result on side of True/False side of the branch?

[trim matrix]

be it Ticked or not, doesn't matter

Set to False in the output of True side of branch and True in False branch

[cursive grove]

and you don't have any "set" nodes anywhere?

on begin play for example?

[trim matrix]

nope

nowhere

[dry condor]

Press Q -> Sets Bool to true -> event tick (excuted every frame) changes from false branch to true branch (you should see the print string change from false to true)

[trim matrix]

@dry condor so set True in True output, in case Tick output is false?

[dry condor]

you never set anything on event tick, at least not in the screenshots

[trim matrix]

here is full

[cursive grove]

You need to change your input mode if pressing Q is not working

[dry condor]

a branch is basically an "IF" and its asking "Boolean1" for its value (true/ticked or false/unticked)

so if you start and dont press q it should spam false

and when you press q it should switch to true

[limber wing]

Is it possible to create a calibration screen so people can use wheel/pedal controllers? I imagine it's definitely possible, but I'm curious how difficult an undertaking this would be and how much it would cost to hire someone to do it

It would be nice to account for different wheel ranges (degrees of rotation) and short calibrating the brake/gas pedals to ensure 100% throttle or 0% brake

[faint pasture]

Do this instead, just set Boolean 1 = NOT Boolean 1

[mossy perch]

Wouldn't be that hard to get a custom input from said controller since it still relies on the xyz input no matter what.
Same with the pedal input.

[faint pasture]

Shouldn't make a logical difference but it'll be more clear

[spiral gust]

My game instance blueprint isn't saving the values stored between levels

I'm not sure why at this point

[faint pasture]

Sure, just have them pump the pedals and steer lock to lock at some calibration screen, record the data, and determine the limits from it

ThrottleMax = MAX(ThrottleValues), etc

[limber wing]

I see, and that would require the rawinput plugin I assume

[faint pasture]

No you could do that all in off the shelf Unreal

[limber wing]

Really... wow

[maiden wadi]

Something has to be overwriting it. GameInstance values will not reset until the application is closed and reopened.

[faint pasture]

I'm not talking about modifying the mapping between hardware and AxisValues

I'm talking about remapping AxisValues to whatever range you want

[spiral gust]

Hrmmm the only time they are set is when the level has been cleared

[maiden helm]

here is my setup, I already created a variant set with the arrows set to visible or not then on the UI I load the variant set

then I switch the state with a button

this workflow works with other elements in the same scene, but when I test a standalone game it doesn't works

[trim matrix]

@faint pasture it works, thanks

[faint pasture]

WTF is a variant, did you make that or is it some engine functionality?

The names are a bit smelly to me

[limber wing]

I didn't realize Unreal accepted inputs from wheels/joysticks without the rawinput plugin. I guess modern controllers all use XInput?

[faint pasture]

I'm not sure. But you could easily have calibration factors gameside to let you do all sorts of remapping without the engine even knowing or caring

You get an axis value in engine. You can do math to it.

[granite coyote]

I'm not sure where to ask this question, but whenever I go to import an asset from my files via drag and drop a no sign pops up and it will not allow me to drag them in. If I go to import them manually from the files the downloads do not show up. How would I fix this?

[maiden helm]

are you asking me or someone else? this is so confusing

[faint pasture]

Asking you. What is a variant, is it an actor class you made or something else?

I have a hunch that the problem is from using names but I'm not sure without seeing the internals of that function

[trim matrix]

@faint pasture took me some time to understand, the output in last branch is asking if the boolean 1 Get is true/false, so the SET output is always the same

[faint pasture]

You can print a bool and also set a bool to be the result of a bool function. You can do this with no branches

[maiden helm]

it is Level Varian Set it is a new blueprint type from of Unreal, that let you create sets of instructions for a single or many objects or groups

[faint pasture]

Tick -> Print Bool
Input -> Bool = NOT Bool

[trim matrix]

this is the test bench

[faint pasture]

maybe ask in #ue5-general

[maiden helm]

actually I am in Unreal 4.27.2

[trim matrix]

also the Get value of boolean if global in the BP, it can't be set to true in on Get and False in another, I had wrong assumptions about it

thanks for the help guys, appreciate it

[dry condor]

yeah the variable always has only one state

[faint pasture]

No it's not global. That variable is local to the object it lives in. You can have many instances of the object with their own booleans

[spiral gust]

I apologize for messaging often but I'm stumped on this issue:

I have a custom game instance that saves variables that I want to persist to other levels. I save them once the player has cleared the room of enemies and only then (there's an conditional branch that checks every tick) From there, I load into the next level and have the thirdpersoncharacter construction script set all the variables to what they were via the game instance blueprint.

This system works in editor, but upon packaging it, it doesn't work

[dry condor]

small tipp, get used to naming your variables in a way that makes sense, for example if Boolean1 in your example was to check if the character is jumping, then rename the boolean to something like "isJumping?" so it makes sense when you look into the code weeks later @trim matrix

[faint pasture]

First I'd figure out if it's actually persisting and not being used correctly, or not persisting

The construction script is what smells to me

[spiral gust]

Hmmm how so? I'm relatively new to unreal so I don't know the ins and out of it quite yet

[faint pasture]

I'm not 100% sure but there may be forms of travel that don't reconstruct the pawn. IDK how you're traveling to the new map. Try just printing the gameinstance variables value in your pawn on tick or beginplay or a timer and see if it updates correctly

[spiral gust]

Should I do this on the event graph or in the construction script?

I'm traveling to the new map via level loading and unloading

[faint pasture]

Event graph is the only place that has tick or beginplay or timers so there

Just check each part of the chain of things that could be the problem

[spiral gust]

okay! I'll give it a shot

@faint pasture It updates correctly with the construction script

The print outs are the same between maps as well

What I find odd is that the construction script seems to fail upon me packaging the project and running the executable

[faint pasture]

What type of variable is it?

[spiral gust]

Most of them are integers, I use one Name Array

Things such as Player health, score, currency, etc aren't being saved, and the name array is empty upon loading a new map

[faint pasture]

What happens if you use begin play instead of construction script?

[spiral gust]

would begin play be in the third person character or could it be in the level blueprint?

[raven pilot]

are split struct pin and break hit result basically the same?

[faint pasture]

Whichever thing cares about the data.

[spiral gust]

o

k

[faint pasture]

Hit result is a struck so you are breaking the struct

[raven pilot]

when u break it, what changes?

if u dont break it, can u still use it similarily?

[gentle urchin]

break vs split is the same,

[dry condor]

nothing changes, you just "open" it to see whats inside if you dont need it as a whole

[gentle urchin]

but break is in a separate node

with the pro's and con's that brings with it

[dry condor]

or only want to manipulate specific values

[raven pilot]

kay thanks for info

[cedar sparrow]

whenever i simulate physics, the skeleton gets a force applied in the z axis and it just pops it up for no reason

anyone know how to prevent that?

[cursive grove]

I've been trying to get all the levels from a path and add them to an array for the past 2 days, only to find out that the items are not being picked in order.

At least it's not consistent. Anyone knows why?

[empty needle]

Hi, it's pretty easy to get a "Get Right Vector". How do I change that to a Left Vector?

[spiral gust]

@faint pasture That fixed the issue! Thank you, I'm still curious on why the construction script failed

[jaunty summit]

negate vector

https://docs.unrealengine.com/4.26/en-US/BlueprintAPI/Math/Vector/NegateVector/

[empty needle]

Thank you very much @jaunty summit .

Appreciate the assist.

[faint pasture]

Multiply by -1

[cyan bone]

How do i get an argument into my Create Event?
I googled and it seems this is not possible. So what should i do instead?
For context. Im in a function that calculates splines for soldiers to walk on.
Then i need to lerp them. And because functions dont allow timeline. I need to do it outside somehow.

[surreal peak]

Timers in BPs can't have inputs on their events

Why don't you just call the event directly and put a timeline there?

[faint pasture]

Are your soldiers always lerping continuously?

Or is it a discrete "move"?

[cyan bone]

What do you mean discrete move? They are walking on a path slowly overtime

[faint pasture]

I mean are they always doing that?

[cyan bone]

They need to do it until they reach the destination

[faint pasture]

ok so you want to be on tick or a timer

[surreal peak]

Sounds like Tick

[faint pasture]

Prolly tick unless you're ok with them stutterstepping

[cyan bone]

ticks ? but isnt it bad? i rather do event or timeline, right?

[faint pasture]

A timeline is like a temporary tick. You'd use a timeline to open or close a door. You would use tick to drive a chase cam or continuoutly lerp towards a target

no

ticks are not bad

they are bad if used for seomthing that doesn't need a tick. But you're having to have something update every frame, that's tick territory.

Just think.
"Do my dudes need to be in a slightly different location every frame?"
"Yes"
"Tick it is"

[surreal peak]

make sure to actually utilize DeltaSeconds if you use Tick

[faint pasture]

"Do I need to rebuild the landscape every frame?"
"No"
"Tick it isn't"

[cyan bone]

i never use tick, i always use timeline or event. i understand its basically the same thing. but my problem currently, is how do i tell from the function im in for them to move

since the function im in cant use timelines

[faint pasture]

Tick is an event. It's an event that fires every frame.

[cyan bone]

that triggers my ocd 🙂

[faint pasture]

Tick -> For each dude in Dudes -> Vinterp to constant

[torpid hound]

Everything that you try to use to avoid tick is just a tick with extra steps

[cyan bone]

okay but how do i do that from the function im in

[faint pasture]

I know they have splines and you'd have a different setup but yeah

What function are you in and why are you in it

What does this function do

[cyan bone]

Its function i call to calculate the destinations of my soldiers and how the splines are placed. Its all working good.

But i cant lerp them inside the function

[faint pasture]

Well yeah

that's seperate

OK what's your data model for your dudes

Do they have individual target points?

First off, do you have an array of SoldierStructures to represent the state of all your soldiers?

You're doing
Squad = Actor
Soldier = ISM inside the Actor
Right?

[cyan bone]

yes

[cyan bone]

no. i just have my current position

and the destination

and splines

[cyan bone]

yes

[faint pasture]

1 spline per soldier might be pushing it but that's an optimization for later

ok so you have multiple parallel arrays of the same size then right?

[cyan bone]

its just in rare situations

its not for all the movement

just a specific attack

[faint pasture]

OK so inside the squad, you have it like
Vector Array SoldierPositions
VectorArray SoldierTargetPositions
Stuff like that?

[cyan bone]

exactly

and Spline Paths

and from that function that calculated everything, i need to lerp them

maybe this shouldnt have been a function, but an event, but then i would have a bunch of variables in the global

[faint pasture]

OK so
Tick -> Move soldiers along splines -> update ISM? (not sure how ISM works), etc

Event GaveAnOrder -> Recalculate Splines

What global variables would you have?

You have parallel arrays.
In the loop, pull the spline data from that soldier from your splines array etc

[calm cargo]

what, how am i supposed to change the map key if I can't create new map items? this keeps popping up whenever I try adding a key

[surreal peak]

It's because the default value for that key is already used by a different element

[faint pasture]

Forgetting splines, imagine you had TargetPoints and just lerped towards them.

For Each on SoldierPositionArray:
SoldierPositionArray(i) = VInterpToConstant(SoldierPositionArray(i), TargetPositionArray(i), Speed)

Instead of TargetPosition you'll have some spline function but it's the same idea

[cyan bone]

but they are moving on top of a spline, so its a curved move.

but thats not the issue

[faint pasture]

The issue is your structure

you're doing some goofy dispatcher timeline timer stuff when you can just parallel chug through the arrays and update everything

[calm cargo]

I'm a bit confused, my goal is to create a new map item so I can change the default value to a non-default value

[cyan bone]

the issue is i cant get out of my function

i cant lerp them inside the function

[faint pasture]

Being which function?

Is this the function to calculate their paths or to move them along the path?

[cyan bone]

this one

[faint pasture]

Jesus fuck

[cyan bone]

calculates everything

lmao

[faint pasture]

ohboy.jpg

[cyan bone]

i have everything. now i only need to lerp them :p

[faint pasture]

ok in plain english, how do you envision your system working? The soldiers move.....how

[cyan bone]

they will move slowly into the target

[faint pasture]

following a spline right?

[cyan bone]

yup

[faint pasture]

so 1 spline per soldier

does the spline update every frame?

[cyan bone]

no the splines are fixed and calculated. now i only need each soldier to follow its spline

the issue is i cant do that in the function

i cant use timeline and time event there

[faint pasture]

well yeah, that has to happen on tick.
I laid it out earlier.

OK do this

First off, do you have 1 spline right now or many many of them?

[cyan bone]

many many

its an array

so i need to output them to the event graph i think

if thats the only way

then i create an event in the event graph

[faint pasture]

Does the array of splines exist in the actor as a variable?

[cyan bone]

no. it exists only in the function

but im thinking

[faint pasture]

OK so just return it and save it to a variable.

[cyan bone]

maybe the only way this works i really my old way. that felt really noob

[faint pasture]

You have now made a CalculateSplines function, that's fine.

OK so
Tick -> UpdateSoldierPositions

SomeEvent -> CalculateSplines

[maiden helm]

ok here I go again, I have this blueprint pawn, it is just an arrow geometry, I created this quick animation so the arrow bounces, when I test it shows fine, but when I test as stand alone game it doesn't show. I am guessing it has something to do with the location or world location but I am not sure, your help is appreciate,

[faint pasture]

UpdateSoldierPositions
{
For each index i in SoldierPositions
SoldierPositions[i] = GetPositionAtTimeOnSpline((GetTimeAtPositionOnSpline(Splines[i], SoldierPositions[i])+DeltaSeconds*Speed), Splines[i])
}

[cyan bone]

i see. can you tell me if there is anything wrong with using this similar technique:
Attack -> Calculate Splines to Attack -> Output splines to Event (event graph), like lerping units that has a set timer -> Use set time event to lerp units.

[faint pasture]

Something like that

[faint pasture]

Attack -> UpdateSplines.
Tick -> MoveAlongSplines

That is, if splines are always what you move along

if they aren't

then you'll have to do some more stuff to convert splines to TargetPositions or whatever

The moral of the story is, on tick, loop through the bigass arrays and update all the positions. However you want to do that.

[cyan bone]

yeah i see the issue here is, any deviation from the actual functionality of the event, means another event

[faint pasture]

You need to decide if your dudes always follow splines or not.

They can follow just 1 spline btw

you can store their offset to it

and use scale to drive width of the column

However you end up doing it, it'll still look like this at the end of the day.

Tick -> Move dudes

[cyan bone]

so yeah, this would be to be able to reuse the event. but it wont hurt to also create another event function to just move straight ahead

right?

[faint pasture]

Keep the movement logic the same.

Just change how you feed it the data, whatever that is. Whether it's MoveDirection, TargetLocation, SplineToFollow, whatever

I'd use TargetLocation myself, and generate that from the spline. Singular spline, you can have one spline drive the whole thing, depending on how you want things to behave

[cyan bone]

https://streamable.com/ycohvz

this is a model i made

its not exactly the same anymore

but thats what its happening more or less

but that was all in the event graph

in a project i did just to test it

now i made it in a function, dummy me 🙃

[runic parrot]

Any quick way to do "something every X time" on key press and stop on key released?

i can't find the "Is key down" node for some reason

[faint pasture]

Gate and delay feedback

Press -> Open Gate -> Enter Gate -> DoThing -> Delay -> Enter Gate
Release -> Close Gate

[runic parrot]

I tried using gate but couldn't figurate out how to, thanks!

[faint pasture]

Use a sequence to open THEN enter

quick and dirty automatic fire

[faint pasture]

So you're trying to support pincer etc, not just column width?

[cyan bone]

yup thats the word. pincer

column width? how is that one?

you mean frontal attack

it works in both

but was a mess to come up with

[faint pasture]

I would do it with 4 splines, and every soldier knows their desired left-right position in the column.

so a soldier has a left/right offset and front/back offset

[cyan bone]

This is what i ended up doing

now i call lerp spline paths

[upbeat otter]

is there a way to activate this in blueprints?

[jaunty summit]

Nope

[arctic notch]

In Lyra can you Add/Remove/Change teams in Blueprint?

[upbeat otter]

c++?

[jaunty summit]

Yes it's

It's ReadOnly in BP

[upbeat otter]

okie thank you!

[jaunty summit]

No worries! It's called bNotifyRigidBodyCollision in case you ask

[cyan bone]

AttachTo: 'path' is not static (in blueprint "ArmyPlanesAdjustable"), cannot attach 'path...NODE_AddSplineMeshComponent-0' which is static to it. Aborting.

Im trying to attach a spline mesh component to a Character. But i get the above error.

[tawdry surge]

@jaunty summit Wait, is that why the hit events are so spotty.. they need activated in C++?

I swear they catch like 1 in 5 blocking hits at best

[jaunty summit]

Nope, that's some other property you are referring to. It's called bGenerateOverlapEvents

[jaunty summit]

Has nothing to do with this

[upbeat otter]

this works

[jaunty summit]

Hmm, shouldn't be the case

[minor wolf]

whats the difference between a function and an event (aside from events cant return values)?

and also whats the difference between message and non-message interface nodes

[jaunty summit]

Oh forgot checking if there are some setters around ^^

Good find!

At least the cpp name helped ^^

[minor wolf]

apparently this isnt a thing in ue5?

[upbeat otter]

definitely! thats how i was able to find 😄

[jaunty summit]

Ok this seems like a good read, as it has been referenced a few times here: #blueprint message

Made me wanna read it

[dim tapir]

I'm trying to spawn an attack on my cursor location but it seems to be very off/random. Is there a better way than "Get Mouse Position"?

[jaunty summit]

It is. Event Dispatchers and Interfaces are still a thing for sure

https://forums.unrealengine.com/t/difference-between-interface-call-and-interface-message/323826

See Shadowriver's answer

[junior hedge]

can anyone explain why this doesnt work? the linetrace works

I am able to do it with string === but it doesnt work with multiple actors

pls tag if you have any ideas

[tawdry surge]

@jaunty summitOverlap events are for collision set to overlap. Hit events should be firing off blocking collisions afaik, but they are touchy on a good day

@junior hedgeBecause the hit is returning an actor type reference. Not a reference to the turret class type

[junior hedge]

right, how can I get the reference?

[tawdry surge]

cast

[junior hedge]

right

oh okay

I think I see what you mean

[jaunty summit]

Oh my bad, yeah then could be the issue really ^^

[faint pasture]

You only know you have a Thing.
You don't know the specifics.
You cast Thing to TheClassYouThinkItMightBe to see if it is.

[junior hedge]

I don't understand?

I did this but only works for one actor

would I make a for loop and get ALL actors?

[minor wolf]

i mean the (Message) nodes, us5 seems to be missing them and only shows 1 node for an interface call

[faint pasture]

Back up, what exactly are you trying to do?

[junior hedge]

when I shoot my "gun" my "turret" loses hp essentially

[faint pasture]

So why is that hooked up to BeginPlay?

What actor is all that blueprint inside of?

[junior hedge]

isn't casting performance intensive? why wouldn't i run on beginplay?

[faint pasture]

Because then you'd have
"When play begins, it'll do XXXX" instead of "When I shoot my gun, it does XXXX"

[junior hedge]

none of that is linked to beginplay

it's a simple linetrace

only thing hooked up to beginplay is the cast

the linetrace isnt the problem though so I didn't include it

[faint pasture]

OK so why are you getting a turret at begin play?

Are you trying to do this?
Line trace -> did we hit a turret? -> damage it

[junior hedge]

because casting is performance intensive I've heard so it wouldnt make sense to run the node everytime my gun shoots (30 times every like 5 seconds)

[faint pasture]

no it's not. It's an actor anyway, you can call damage on whatever you hit without casting

Event Any Damage is on Actor

a 6 casts a second is literally nothing

[junior hedge]

I have a variable called "HP" That gets deducted depending on the weapon you are using

I don't think you realize my problem though

[jaunty summit]

Ah I see what you mean. Why would they not be in ue5 though?

[cyan bone]

I need to use add component by class, instead of add spline mesh component.
But its not working. Nothing shows up. It only works if its Add Spline Mesh Component.

[jaunty summit]

Prolly #ue5-general might know better

[faint pasture]

Your options are to cast the hit actor to Turret and call Turret-specific stuff on it, or use an interface, or just hook into the Event Any Damage that you get from Actor

[faint pasture]

What is the output type of that Add Spline Mesh Component node?

[dim tapir]

I tried ConvertMouseLocationToWorldSpace instead of GetMousePosition and now it seems to spawn on my camera and not where my mouse location is

[junior hedge]

is there a way I can stop a for each loop early?

that would solve my problem completely

[faint pasture]

Are you for eaching over every actor in the world?

[junior hedge]

it's 1 actor but multiple spawnedf

[cyan bone]

It printed this:
ArmyPlanesAdjustable2_2.SplineMeshComponent_0

[faint pasture]

Are you trying to damage the turret you hit with the trace?

[junior hedge]

yes

[faint pasture]

ok so you have 3 options as said before:
Cast Hit Actor to Turret -> Do your custom event
Call Add Damage on Hit Actor, you'd implement Event Any Damage on the turret to respond to it.
Call YourDamageInterface on Hit Actor, you'd implement YourDamageInterface on the turret to respond to it.

The 2nd or 3rd approach would be best if you ever want other things to be damaged as well. You'd just implement Event Any Damage or YourDamageInterface on them and they'd work.

[faint pasture]

No, what is the TYPE?

Is it just ActorComponent, or is it a SplineMeshComponent?

the output type

If it's ActorComponent, just cast it to SplineMeshComponent and carry on

BP should know the type though if it's static like that.

[cyan bone]

sorry i dont understand. Its a spline mesh component, i think, put in the Add Component by Class.

[faint pasture]

Mouse over the output pin, what does it say

[cyan bone]

but it was done from Add Component by Class

[faint pasture]

You're mousing over the output pin of Add Component by Class, right?

Anyway, just cast that output to SplineMeshComponent and carry on

Sometimes Add Component by Class might not catch that you're not gonna be changing the class at runtime so it doesn't know it can return the concrete type

[cyan bone]

yes

[faint pasture]

Just cast it, does it work?

[cyan bone]

no

[faint pasture]

Show the error

[cyan bone]

it doesnt make error

it just not rendering anything

it says its not necessary to cast

the issue is because its Add Component By Class

the Add Spline Mesh Component works

But i need the Add component by class

[faint pasture]

You might need to re init something on it since you're changing the mesh from nothing to your pipe

[faint pasture]

Why?

[cyan bone]

Because im doing it in an Actor Component, where i have specific functions

And in an Actor Component, you cant use Add Spline Mesh Component

You must use Add Component By Class

Thats what we found out today

Unfortunately its not working 😦

So i cant see my splines

[faint pasture]

That sounds really spaghet

What's the usage, what is all of this supposed to be doing?

[junior hedge]

I mean you are saying to cast a hit actor to turret but I cant actually get which exact actor was hit

this is what I was asking

[cyan bone]

Now, its supposed to just do the Spline Meshes so that i can see my splines

For the Spline paths

[faint pasture]

Yes you can, it's in the hit result

[cyan bone]

but also collisions

sphere collision is being added by Add Component By Class

[junior hedge]

which

[cyan bone]

there should be a draw debug spline 🙂

[junior hedge]

@faint pasture

[junior hedge]

i dont think i can cast it

not possible

its just a lone actor

[faint pasture]

What actor is doing this line trace, and what actor is it trying to hit?

[faint pasture]

Do you know what casting is?

[junior hedge]

the rifle is doing the line trace and it is hitting a random actor

[faint pasture]

And you want to know if the random actor is a turret, right?

[junior hedge]

not only that I also need to open the event in that actor

[faint pasture]

that's EXACTLY what casting is

[junior hedge]

oh

i think i see what you mean now]

[faint pasture]

"Is this random actor a turret, and if it is, let me do turret things on it" = "Cast RandomActor to Turret"

[junior hedge]

yeah that works

thx

i didnt know you could cast like that

[versed timber]

hey so im having this issue if i rename something in my file directory it seems to break everything

[faint pasture]

Did you rename it in the unreal editor or just rename the file in Windows?

[versed timber]

windows file editor seems to break

[faint pasture]

ya fucked up

rename it back, then if it works, try rename it in the actual unreal editor

so unreal doesn't lose track of it

[versed timber]

because it breaks you recon i could split the file into chunks it will work?

or move it in the editor

[junior hedge]

Changing anything outside of the editor pretty much breaks the project

[trim matrix]

is there any way I can delete the mesh that's attached to the character BP?

[junior hedge]

Except like debug settings maybe but that's about it

[versed timber]

thank you !!

[versed timber]

thank you!!

i got it to work

[junior hedge]

np

[faint pasture]

K now start using source control

[icy dragon]

B-but multi user editing master race

[graceful sparrow]

I can't seem to figure out why the speed doesn't get changed as soon as I start attacking, it always seems to do it only if I rapid double click, It works fine if I don't have the launch character so unsure if that cancels the max speed function out
(Current value is a test one)

[faint pasture]

Show the whole chain

[junior hedge]

is this a native ue5 node?

and why cant I see it's definition

[icy dragon]

Since UE4.
It's from the built in Character class.

[faint pasture]

It's on the CMC

er

Character

[icy dragon]

ACharacter to be precise

[faint pasture]

Character and CharacterMovementComponent are tightly linked

[junior hedge]

i dont see it anywhere

the defintion

i right click and click it but nothing happens

[icy dragon]

Because it's engine code.
Vanilla launcher builds don't open engine C++ codes.

[junior hedge]

thanks for info

[faint pasture]

IDK but that's a kinda fucky way to do a combo lol

[junior hedge]

ok one more thing

[icy dragon]

In case you're wondering:
https://github.com/EpicGames/UnrealEngine/blob/d9d435c9c280b99a6c679b517adedd3f4b02cfd7/Engine/Source/Runtime/Engine/Private/Character.cpp#L1011

[graceful sparrow]

It's meant to be like a simple ish combo where it cycles between different animations based on button press/time didn't know any other way to do it since I didn't wanna make a complex system for it

[junior hedge]

how can I temporarily disable "gravity" for my character

I tried disabling it via the details panel but my character still drags to the ground even then

[junior hedge]

404

[icy dragon]

https://www.unrealengine.com/en-US/ue-on-github

[junior hedge]

i have to make my mom verify after clicking that LOL

lmao so pretty sure my cousin changed my age on my account to 10 cus I was letting him use it for fortnite

rip

[junior hedge]

still asking for this btw

[remote meteor]

manipulate gravity scale in character movement

[junior hedge]

thx i didnt see this but thats what i did

[next oyster]

Hey, i've found a value that i'd like to use in a blueprint.
but as far as i know, there's no function for it
can i make one myself? is it even possible?

[remote meteor]

you can make a ufunction to retrieve the value, you probably dont want to modify it though

[next oyster]

i just want to retrieve the value and use it

[remote meteor]

is the property public?

[next oyster]

it's protected

so i guess i can't?

[remote meteor]

then you have to create a childclass of the movement component

and have your character to use the child movement component than the original one

[next oyster]

ok, then put that value in a public space i guess

[remote meteor]

to do this you basically have to make your own character class

[remote meteor]

you need to make a public ufunction to return the value

[next oyster]

tried to do it under other public ufunction

so now i have to compile it / make the character movement use this child class?

[dusty schooner]

Was hoping someone could help me out: Is there a way to add an interface to an animation blueprint (event graph)? I have an character controller taking axis input I want to send info to/from the animation BP to correctly fire animations

I see where to add it, under class settings, in my first BP but not the animation. If it helps, they're on the same player. Just need these two graphs talking to one another

[remote meteor]

under Class Settings

[next oyster]

you can cast the bp_anim in the character blueprint and then call an event to send the info

yeah BPI work too

[dusty schooner]

I'm not seeing a class settings button in the animation blueprint

Checking again but that's what I was looking for. I'm in UE5

[remote meteor]

yeah, basically you have to override Character.h to use your character movement instead

😅 should have, still in ue4 so cant check for you

[next oyster]

Thanks IAsaka

[livid marlin]

dont work on master pose

[next oyster]

i'm an ue4 prisoners' too, can't switch to ue5 since my project use plugin that haven't been updated yet

[dusty schooner]

This is what I have:

[remote meteor]

look inside here

[dusty schooner]

THERE IT IS

GLORIOUS

😄

[remote meteor]

smol screeen

😆

[next oyster]

in my case i have this set up

but both work

i think BPI is even better overall

[dusty schooner]

I'm on like a 48" monitor but my vision sucks so I have everything blown up

[remote meteor]

bpi and direct cast both are fine

since your character bp will definitely have reference to the abp

[dusty schooner]

Is there a way to pass values through bpi or is it just firing events/flags?

I know you can cast to for direct stuff I think

[next oyster]

you can pass value in BPI

[remote meteor]

bpi can have inputs and outputs

[next oyster]

just like any variable

[remote meteor]

but no delegates though

[dusty schooner]

I need to figure out how to add that

Since my "logic" is in my animation event graph and not my input collector

[remote meteor]

if your ABP and character BP are 1:1

you can direct cast instead

[dusty schooner]

I'm coming from Unity so I appreciate the hand holding. Things are scary here. XD

[dusty schooner]

So I have a float value I promoted to variables on my inputs. If I do "cast to BP_Anim" how do I catch that cast properly?

Might've already answered (lemme look at that image @next oyster sent a second ago)

[remote meteor]

to get your abp from your chara bp

[dusty schooner]

I needed my abp to get from my chara bp (so opposite direction)

[remote meteor]

ah

[dusty schooner]

Effectively I have an isMoving bool in ABP event graph. It's supposed to flag "true" if I'm inputing Axis movement

Character BP collects the axis movement.

[remote meteor]

you usually want the first one

[remote meteor]

hm, your character BP should know isMoving bool before your abp though

[dusty schooner]

I can make a new bool for isMoving in my chara BP but I can't access it in ABP unless I cast it I think

I have two floats in my chara BP I can't access natively in ABP unless I BPI or cast I believe

[remote meteor]

you have 2 choices here

you can either let your character bp update the ABP whenever a flag is updated

or you can let ABP to retrieve the value by itself every tick

[dusty schooner]

I was planning on the latter

Since my logic is currently in the ABP event graph

I don't know what's good practice for Unreal though. I just had animation logic with the animator

And character holding all the basic stuff

[remote meteor]

there are pros and cons

but for most part if performance is not priority

you can always just do this

in your abp

[dusty schooner]

Okay. Lemme look here.

So "casting" is actually an attempt to retrieve and not a broadcast?

Like if you cast a youtube video to your smart TV you're broadcasting but here it's the inverse?

[remote meteor]

hm

casting in programming terms means an attempt to make a conversion

[dusty schooner]

Yeah I hear that. Like if you try to cast an int as a float

[remote meteor]

yeah

so the TryGetPawnOwner() functions returns a Pawn

your character BP most likely is a Pawn too since Character is a Pawn if you created from the subclass

you now have the reference, but it was read as Pawn

Pawn class doesnt have your boolean variable

your CharacterBP has it

[dusty schooner]

Ahhhh

[remote meteor]

so you attempt to cast to it

its like

hey treat this set of data as this type

[dusty schooner]

So cast is just talking about the attempted conversion after retrieval, not broadcasting and such

[remote meteor]

yeah

you can also think it as a form of validation

[dusty schooner]

Interesting. In unity that's like
float axis = GetComponent<Trasform>() as float;

Or something

Still trying to put it all together/rewire my brain XD

[remote meteor]

AMyCharacter* Character = Cast<AMyCharacter>(TryGetPawnOwner());

[dusty schooner]

<AMyCharacter> being the Target in the node?

[remote meteor]

the data type you are casting to

target is within the () which is TryGetPawnOwner()

[dusty schooner]

How does one delegate what value you're actually attempting to get if, say, there's multiple floats on the pawn? I might be looking too much into it

[remote meteor]

you are getting the reference to the pawn

[dusty schooner]

Ahhh

And then accessing the properties later?

[remote meteor]

not the variable inside the pawn

to do that you can just do

if(AMyCharacter) // Just a simple pointer valid check
{
    bool bIsMovingVar = AMyCharacter->bIsMoving;
}

[dusty schooner]

Gotcha. That makes way more sense to me.

I've been coding for like 9+ years and so jumping to visual stuff like BP is so foreign to me. Difficult to tell what's going on

lol

[remote meteor]

its pretty similar

for blueprint atleast

[dusty schooner]

In unity that'd be like:

bool isMoving;

if(playerZero){
 isMoving = playerZero.isMoving;
};```

Right on. I want to learn the C++ stuff also but I'm doing this first to get the feel for both.

C++ was my second language but I haven't used it in like a decade lol

[remote meteor]

unreal c++ has alot of unique things

so it can get confusing at first

[dusty schooner]

My guess is the cast to node is just mixing that functionality we programmed.

Yeah I hear that.

[remote meteor]

technically you can just like in primitive days

do a direct cast like
AMyCharacter* Character = (AMyCharacter)TryGetPawnOwner();

but that crashes if it doesnt match

so yeah Cast is to replace that for all UObject types

[dusty schooner]

Oooo

Gotcha

[faint pasture]

It's the same as C++ really

[slow star]

hi guys , i have an npc character class that im trying to enable input on but whatever i try its not working ive had it work properly in an actor class though

[dusty schooner]

I've heard that

There is some noticable syntax differentials but that's still reassuring to hear

[faint pasture]

Why are you handling input inside an NPC?

isn't that the whole point of the NP part?

[slow star]

so its not really input, i just want to check if the player is overlapping it and if it is and E is pressed then bring up the dialog screen

[remote meteor]

you want to have your interact input from your character

character check for interactables

[dusty schooner]

Am I able to access BPs are C++ any time or do I need to make a new project for that?

[remote meteor]

if there is, call their interact interface

[remote meteor]

you can use both at the same time

[slow star]

ahk i guess i can just do it that way

still weird that it wont even allow input

[remote meteor]

because you are not controlling it 😅

[slow star]

then how does it work on actors? i don`t control those either?

but it does allow to have keyinputs

[remote meteor]

NPC are not supposed to be controlled i think

key inputs always comes from the player character/controller

it goes wherever it needs later

[slow star]

ok thanks for the help! i`ll try to approach everything with that in mind

[dusty schooner]

That's awesome lol

[remote meteor]

thats also usually best if you have a team of different capabilities and role

[dusty schooner]

I can dig that.

[remote meteor]

but the relationship is quite one sided

you can access cpp stuff from bp if you exposed them

but you can never access bp created stuff from cpp

[dusty schooner]

Oh wow, hah

Good to know.

[remote meteor]

say you have a Character BP class created in BP

you have no way to reference it in CPP

but say you have a character CPP, if its marked blueprintable and blueprinttype, you can access it in BP

[remote meteor]

this is essentially how BP works in general

they are wrapped CPP classes, its a CPP base afterall

[dusty schooner]

Right right

So is there stuff you can only do in CPP?

Or can you do everything in BP and/or have custom nodes?

[remote meteor]

if you can make the custom nodes, then yeah you can do most stuff in bp

there are some limitation, not everything is doable

as you do along, you will find them out 😂

[dusty schooner]

That's what I'm hoping XD

Probably better to just learn BP overall since you can't access BP from CPP

XD

[remote meteor]

you also can do everything in cpp

https://tenor.com/view/smug-anime-face-gif-6194051

[astral stratus]

is there any reason why when i apply damage to my AI with the base damage at 1.0 and set the health of my enemy to 100 that it kills it in 2 shots....?

[remote meteor]

double check your receiving damage functions?

[astral stratus]

it seems right to me?

[dusty schooner]

Sounds like Unity to me. XD

So I have this. Whenever these aren't zero it's supposed to update if the players has movement boolean

I have an interface with a function attached to this + the ABP

the function has a boolean to use for this

What do

[remote meteor]

oh you dont really need to have the tick

[dusty schooner]

You don't? I assumed you needed that for it to update.

[remote meteor]

if all you need is to check whether the player is moving

you can check with GetVelocity()

[dusty schooner]

Oh I have that

The thing is

[astral stratus]

could someone help me if i post the code?

[dusty schooner]

I only want the walking animation to fire when get velocity is greater than zero AND there's input.

Because you can have upwards velocity with jumping for example and the animation will fire as if you're walking

[remote meteor]

velocity is FVector you can check for direction

also there are state machines to handle jumping animation