blueprint

[earnest swan]

iirc you need to lower it so it decreases the distance

[undone surge]

alright thanks

[earnest swan]

you're welcome

wdym by working backwards?

[sleek timber]

Since you can Break and Make to retrieve items that are inside the array there has to be a way to add an S Slot Info in number 3 into the Starting Items array.

[frosty heron]

Step three shows a struct not an array

[versed sun]

do you want to create an array from structs?

or edit existing array?

[flat coral]

I've got this timer in a widget which is shown while the game is paused, and it never runs presumably because the game is paused. Cool. How do I fix it?

[stone field]

Before looking for solutions, it might be good to understand why the game becomes paused?

[flat coral]

I mean it's pretty standard to pause gameplay during menu interaction

anyways I've got an animation I can use as a timer instead so I just did that.

Plus side, I learned about Play Animation With Finished Event which is pretty cool!

[wise zodiac]

Hi guys, I got stuck, or maybe it shouldn’t work.
Can you fire interface event in anim bp ?
( I’m sending the message but nothing happens )
Ty in advance

[sour crater]

having a dumb moment

where should i put the "mana drain?"

if your wondering what mana drained? is

[random pulsar]

@frosty heron hey whats up?)

[versed sun]

I would make the Mana Drained a Pure Function, and plug the func into a Branch whenever you want to stop exec if mana = 0

[sour crater]

how do you make it into a pure function?

[random pulsar]

just wanted to ask smth,when i have something in inventory and i restart the level by loading the scene,it does not delete items from inventory,i think is is because of the game instance,so i am wondering how can i reset the inventory when player dies?

[random pulsar]

when health is 0 i load game iver scene with restart button

[sour crater]

found it ill try it

[random pulsar]

and then my inventory is full of items that i had

would apreciate any help

[frosty heron]

wdym by restart the level by loading the scene. as in like you stop play and hit play again?

Or u just open the map again

Game instance gets destroyed when Game Ends

[random pulsar]

i just load scene

[frosty heron]

otherwise they still presist

Can u be more descriptive with what you mean by load scene

Open Level Node?

[random pulsar]

yeah open level sry

[frosty heron]

well in that case the gameInstance still presist

it will carry what ever value you set it too

[random pulsar]

so how can i restart it completely)

[frosty heron]

hard to say without knowing the design of the game

I mean you re-set it by resetting the values manually

[random pulsar]

(

[frosty heron]

If u die, don't save the game

fall back to the old save file

Re-load your data from the save game file

[frosty heron]

you should incoperate Save Game objects then

save at the point where you want to fall back to

[random pulsar]

can i like ,destroy game instance and then load the scene?

[frosty heron]

No

I mean don't you need save and load at some point in your game?

why not just start with that

You saved at the start of your check point

when u die you can load the data for that check point and just reset the map

[random pulsar]

i need just the reset thats it to reset the inventory

[frosty heron]

Then just make a function to reset the inventory

In your game instance -> Clear inventory

then open the level

[random pulsar]

can you please explain how?

[sour crater]

lol i cheated. was too afraid to change a already made function into a pure so i just remade the function out of the function

[random pulsar]

please say its like this,i use all my neuron cells

[frosty heron]

nah u just drag and type clear

[random pulsar]

?

[frosty heron]

im out, 6 am. Nite 2

[random pulsar]

thanks you always save me)

[trim matrix]

hi, i have a blueprint that has a variable that i want to change in the instance that i spawn

[dire frost]

ok?

[trim matrix]

yeah, how can i do that?

[dire frost]

oh that was a question! i thought it was just a statement lmao

anyway just drag of the blue pin

on the right

and set whatever you want

[sour crater]

what would be the proper way of cutting off the mana drain if the comma is released

comma key ^

]

^ full code

[trim matrix]

oh okay thanks, ill'try that

[dire frost]

id refactor the code to use a timer instead

and on comma released you can get the timer reference that you've saved and stop it

btw did you hear of our lord and saviour enhanced inputs?

[sour crater]

yea

ik

[quartz spoke]

im spawning a pawn with this node, but the controller doesn't seem to be possessing the pawn. Does anyone know why this is happening? calling Get Controller returns nothing, but if i drop the character in from the content browser it gets possessed

[dire frost]

you want to call the "possess" function from the controller and give the target pawn

probably a good idea to unpossess the current pawn as well

[faint pasture]

There's a spawn ai from class node that makes the aicontroller for you etc

[dire frost]

oh yeah that's an AI 😅

[quartz spoke]

👀

[dire frost]

nvm me

[faint pasture]

That just spawns the body, doesn't give it a brain

[quartz spoke]

riight, i have the controller set on the blueprint. So if it gets spawned in at runtime it ignores that?

vs spawning it via drag-n-drop

seems to be working as expected with that Spawn AI node though, tyvm 🙂

[sour crater]

add this one var to be off and it worked for the release lol

i would use a timer, but its a power up code not a regen

[dire frost]

i think the timer approach would give you more control overall but if it works, it works!

[sour crater]

it probablyh would but i just need it to increase battle power with a cool animation

the BP within the power control does everything else

cracks knuckles

time to make power count >= 0 = BP - 1 for as while

[dapper grotto]

I'm trying to change cloud material parameter of volumetric cloud component (using simple clouds material from plugin) like below, but nothing happens. It seems to work different than how it works for meshes. I didn't find anything about this being a problem for anyone else though for some reason. So I must be doing something wrong, but I can't figure it out. I only found here on the Discord where someone asked how to do it in C++ that you have to set the material again to the dynamic instance, but that still didn't do anything for me. Now I am clueless.

[charred berry]

Using spline from modeling mode, and tho terrain raiser lower is on in details, the spline barely moves terrain up, is this a known issue in 5.3 or do I have a setting wrong somewhere 0_0

[edgy eagle]

why does event begin play is not called for childs of the actor?

[sour crater]

i believe you need to parent poccess

let me get an example i think i got one

[sour crater]

i believe you also have to do this on the event tick as well

hope this helps

[coarse vale]

Hello. I wanted to limit the yaw rotation for my character. I used camera manager and "max/min yaw rotation". It works with the pitch, because limit values are in the world transform, but it doesn work with the yaw. Also I had problems with setting the yaw limits back to it defaults values, it just blocked rotation.
Does anyone know the way to quickly and easily limit the yaw rotation?

[sour crater]

trying to figure out why the bp will drain every delay, but the mana will only do it everytime it is released.

[noble ledge]

Is grabbing the index of the array any different than just using the output pin? The top break is coming from the output and then the bottom is using the index into the array but its the same thing right?

[dawn gazelle]

Depends on the macro, but it's probably returning a copy. Your get there appears to be returning a reference.

[noble ledge]

this is the macro

[dawn gazelle]

Then yea, that looks like it's doing by reference as well, it should be the same.

[noble ledge]

Ok cause im converting to C++ and I have just been doing..

for(FStructType& Item : Array)

So wanted to make sure nothing was different

thanks for the help

[lean flax]

Does someone know if there's a node I can use to move the player to a location similar to the AI Move To? Simple Move to does not meet my requirements, as I need the Movement Result

[spark steppe]

diamond pin should be reference, too

so i guess the for loop also returns a ref

[sour crater]

trying to think of a proper way to make sure it cant recover if the mana is draining

powering up and recovering is kinda buggy

how do i stop a custom event thats on a loop

i am trying to avoid a timer

because its a power up code to where you can press a button and increase the bp stat

mana

is on a timer

maybe if i just add MP += 100

ill see how that does

seems to work

[lunar sleet]

I’d be surprised if that doesn’t cause issues at scale. Why not just use a bool to check if mana is currently being drained? If you don’t want to use a timer you can check it on tick

[rapid helm]

i've been struggling for days, but i wonder why the division returns 0.8 (I set it to 80/100) but when i set it to the percent it doesn't update? It only updates when the health is in between 26-75 (3d widget btw)

[dawn gazelle]

Your issue likely stems from allowing the client to tell the server whether or not to recover mana. Even if you're not currently working on multiplayer aspects of your game the logic needs to flow in a way that ensures that you're not doing parts of things on the client that the server should be in control of or needs to know about.
Your mana should be handled entirely server side and let the server replicate the mana value, and the server can properly control whether or not it should be regenerating or not and set the value depending on usage. Your current set up has both the server replicating values and the client setting it locally, so if you are doing things multiplayer, things won't line up as the server is the authority of the "real" value, not the client.

A very basic constant "regeneration" effect can be done on a timer and you can technically leave it always active. You can put a branch on the logic that sets value and connect in any kind of boolean logic to determine if the mana should be increased or not. It gets more complex if you want to stop or restart the timer any time the resource is being used.

[frosty heron]

Isn't it normal for client to set things locally before telling the server to replicate the change? If we don't introduce client prediction the game will be not responsive.

Server will replicate the true value back anyway and correct or punish the player if the values send are invalid. I think that's how it normally go but I could be wrong. I certainly won't wait RTT to see my character start sprinting or having its stamina consumed

[dawn gazelle]

Sure, but seeing as the RPC that GuardianTwin has posted is starting a timer to regenerate mana from the client calling it, I'm fairly certain they're not yet at the level where they're necessarily trying to do client prediction (not even necessarily knowing what it is) and you wouldn't want your mana regeneration to necessarily be client predicted.

[misty nimbus]

is their a blueprint thats just a timer like e pressed->dissble input-> wait 2 seconds-> enable input

[dawn gazelle]

delay, set timer by event. Delay would likely be the simpler of the two for this kind of situation.

[misty nimbus]

awesome delay is perfect tysm

[dry pecan]

so in unreal, I have a health actor compoent and I need have it assigned to my player character, how can I get the values of the actor compoenet, the health floats and refrence them in my UI? making health UI

[frosty heron]

The player character can own the health comp.

To get the health you simply get the actor that owns the component -> get the component -> get/set health

[dry pecan]

well I'm trying to refrence the component to a UI widget, on my Actor component I have to float values, health and max health, and I'm trying to refrence health to the widget

[frosty heron]

The widget should belong to an actor that have the health component.

Take player for example. Create widget in character then on widget construct. The widget gets the owner of the widget, which is the character, then get the character health component.

Done

[dry pecan]

what do you mean by create widget in character?

[frosty heron]

Well where do you create the widget?

[dry pecan]

in the level?

[frosty heron]

All u have to do is pass the owner reference to it

[frosty heron]

The create widget node

Which bp did you place it

You want to assign owner to the widget

[dry pecan]

oh do you mean the create widget node?

[earnest swan]

You might as well move the logic to the player, so then you don't need to re-create the widget every new level

Or something else like the gamemode

[frosty heron]

Or hud

[dry pecan]

how can I refrnce them? the health value here

[dry pecan]

since I need to reflect that health value there onto my widget, which is a probelm when its not a variable I can easily refrence

[frosty heron]

It's easy as f

I already explained how multiple times kinda

When you create the widget you want to pass the actor that has the health component to it

Once you set it in the widget, you have direct access to that specific health component

In your widget construct try to print string get owner. See what that give you

If that gives you the actor that own the component then you can just drag from the blue pin and type get component by class and select your health comp

[dry pecan]

would a pass be a cast to node?

also I thought I was creating the widget in my player character?

[frosty heron]

You can create it where ever you want that make sense but if you are doing widget 3d maybe u can just get the owner right away

[dry pecan]

oh no I'm doing Widget UI

[frosty heron]

How is the widget placed? Screen space or with widget component ( in world space )

[dry pecan]

screen space, essentially UI

[frosty heron]

K show the create widget node

[frosty heron]

Promote it as variable. Good practice if u need to access it

Now in your WB health. Create a variable of type actor

Make it instance editable and expose on spawn

[dry pecan]

you mean where it says class?

[frosty heron]

Then refresh your create widget node

[frosty heron]

No the return value of the widget.

[dry pecan]

oh like this?

[frosty heron]

Yea, give proper name

Next do the step I said about creating variable in wb health

[dry pecan]

made an actore varibale named PlayerCharacter

[frosty heron]

Make it versatile

Name it owner

And type is actor

[wintry meteor]

hi guys, is there any sites possible to learn for blueprint part?

[dry pecan]

versatile?

[wintry meteor]

im still lost with blueprint

😦

[dry pecan]

is that an option in there?

also renamed it to owner

[dry pecan]

oh do you mean instance editable?

[frosty heron]

Take it slow and read. Post the bp when u done it

[dry pecan]

here is my widget BP for getting health

though this is outdated and now I'm changing it to my actor compoenent on my player character

[frosty heron]

I'm still waiting for u to finish what I wrote

[frosty heron]

Have another 5 mins to hand hold you, gtg soon

[dry pecan]

by refresh do you mean delete?

[dry pecan]

what do you mean by refresh?

[frosty heron]

right click create widget node and select refresh

[dry pecan]

I'm sorry that I sounded like an idiot

[frosty heron]

k now get a reference to self then plug it to owner

[frosty heron]

Everyone have to start from somewhere, I suggest going thru some more videos on the net tho.

especially blueprint communication pinned in this channel

[frosty heron]

right click on empty space

type self

self being w/e blueprint u are at

[dry pecan]

alright there we go

[dry pecan]

so where from here? is there more?

[dry pecan]

would something like this work?

[dry pecan]

alright it says BP first person character which is who it was assigned to

[frosty heron]

k so onto the next line then

Widget Construct -> Owner -> Get component by class (Health Comp) -> Promote to variable

[dry pecan]

where do I do that, in the actor or my widget

[dry pecan]

ok I know where to do it, I just dont know what you mean by owner is that a get/set?

[frosty heron]

get

[misty nimbus]

sorry if im interupting but is their a way to say

if( e is pressed and component overlap is true)
{
dissable input
delay for 2.5 seconds
enable input
}

[dry pecan]

I'm sorry did I do this wrong?

[frosty heron]

you can just hard code the class

pick your health component class

From the return value, do is valid check

if valid, promote it to variable

Then that's that. You got a reference to your health component

the rest is 🦵

[dry pecan]

um... I dont know c++

[frosty heron]

no c++ involved

hard coding means, instead plugging a variable

just pick from the drop down

[dry pecan]

like this?

[frosty heron]

promote the return value

that's your health component

now you have a reference to your health component in the widget. The rest is leg work

[dry pecan]

I'm sorry but is this wrong as well?

[dry pecan]

I'm sorry I'm just a bit confused at the last part

[dry pecan]

so do I connect it to anything when I did the promoting orn no?

[frosty heron]

this is your owner/character health component

I am too burn out for more hand holding

you can work your way from here

[misty nimbus]

i figured it out its just messy

it didnt work so i made it even messyer (;<

it works now though

[earnest swan]

If you wanna clean up what you have rn, you don't need to have the branch check "truth" and "collided" since you just pressed E. You know it has been pressed. Only check "collided". Also, collision and overlap are two different things so it might be good to change the variable name to "isOverlapping". Also, that will fire if it's overlapping anything.

I'm not sure if that's what you want? But if it is then that's okay

[misty nimbus]

so would i just need to cheak if coldided (ill change it) is true

[earnest swan]

Yeah, when you press e check if collided is true

[misty nimbus]

okok thank you i just did that

[dry pecan]

how can I call a custom event from one actor to another?

[frosty heron]

You get a ref to the actor then call the custom event / function

[short phoenix]

I'd like to carry a screenshot I made for a save game to the save metadata. I know about the function to save a screenshot to disk. Is that the recommended way? How do I derive that path cross-platform? Or is there a better way?

[dawn gazelle]

I think the best way would be to build the image into the save game object itself as a byte array and reconstruct it as needed as a texture2D. I don't think this is possible in blueprints alone without plugins.

[short phoenix]

@Datura Is the missing part in particular capturing a screenshot in some form other than to a file on disk? It sounds like I'd want to capture it as an image in memory, although I guess I could still derive the path and load it in somehow.

Lacking anything else, I was trying to ape something I was doing in Unity where I had a save per directory and there was a file there for the screenshot. That's in opposition to, like, a save file per screen shot. I don't know if I'm about to walk into some tension in Unreal if it's centered around putting saves in a single file or something.

[frosty heron]

Why didn't I ever think about that 👀. Imma go ask chat got tonight to write the code

[dawn gazelle]

That's part of it, the other part being converting whatever format it is saved into back into an image format that can be displayed by the engine.
I suppose it's actually better not to store it if you are trying to display a list of save game images as you'd end up needing to load all the save games, which depending on the game, could be a lot of things to have to load into memory that don't really need to be there just so you can display the image.

I also didn't realize that the built in save system can be utilized in such a way that you can have folders created for each save. I was under the impression that all the saves got stored in one place but I see that is incorrect now. That also means you could potentially utilize what I was saying and have a separate save file for storing the meta data about the save game that prevents you from loading all the extra details you may not necessarily need when choosing the save game.

[kind estuary]

why is it said that the GetAllActorsOfClass is expensive? Isnt it just getting an array of actors?

[frosty heron]

Actually probably can peek at export and import texture2d node

[kind estuary]

im just creating an array for the actors instead of that, and storing all the actors in it. but the GetAllActorsOfClass seems more straightforward

[dawn gazelle]

It's not technically that expensive if you select an appropriate class (not Actor for example) and you don't have thousands of them in the scene.

[dawn gazelle]

There is the low entry extended standard library that is a free plugin you can look at... Has these kinds of functions.

[frosty heron]

Tyvm

[frank sundial]

Alright so im trying to make a swinging grappel hook. I have the hook part done for a pulling hook but I want to make one for right click that lets you swing instead of being pulled to the object. Here is what I got so far

[short phoenix]

What's this library here? Nodes like that sound like they should just be there in the first place, so I figure I should just have that in my pocket.

[dawn gazelle]

https://www.unrealengine.com/marketplace/en-US/product/low-entry-extended-standard-library

[short phoenix]

@Datura Thanks!

[twilit jacinth]

Reset Level Node sets a variable inside actor to false, even though it is true by default. What is going on? I don't really kno how this node works

[empty gust]

How do i make weapon not clip through walls

[random pulsar]

i made it this way and the inventory is not cleaning(

this is in character

maybe i wrote it wrong or there is another way to clear the inventory?

this is the main bug that i have,please help

[frosty heron]

This not gonna do anything

when you open new level, those inventory health etc is lost anyway

[empty gust]

Thx i will use this after 3 hours bc im still in school

[random pulsar]

health restarts but inventory no(

[frosty heron]

This go Bye2 when you open new level
Trust me bro

Only Data that is presistence is the one in Game Instance

Your code here doesn't do anything

[empty gust]

Today imma make the wave system for my game

[random pulsar]

So i need to clear array at begin play in function where i set it ,it will work?

[frosty heron]

You will need to think about how your game flow

I don't know what's get set where

[random pulsar]

There will be only 1 level

Thats it

I dont even need game instance,its from totorial

[frosty heron]

When you open level, that inventory will default to its default value anyway

[distant hollow]

Kinda yes
When you load a new level and reload your character, every variable inside that character is reinitialized to their default values.

[frosty heron]

Unless u store and read from game instance

[distant hollow]

But what exactly is your intention when you clear the inventory? Does your character start with something that you didn't want after GameOver?

[limber citrus]

Hey, I just joined a new project and I am trying to understand the code base quickly. I am used to use "FindRefrences" and "RefrenceViewer" to see where everything is being used/called to get a quicker understanding but here's my problem atm. I don't know how to do so with event dispatchers. There are alot of them everywhere in every existing BP, but how do I track them? like I want to know when does an event dispatcher gets called and binded and so on. Do I need to check every existing BP to find where it's been used, or there can be a quicker way to do so?

[remote meteor]

||There is a dark secret where one is able to retain the whole player controller when changing levels, though both level has to have the same GameMode/PC class||

[frosty heron]

Server travel?

I think we can even retain actors with it

There is a function to piggy back actors but I never try it my self

[remote meteor]

seamless travel yeah, by default PC is cleaned and recreated regardless, though you can actually change that behavior in gamemode

[distant hollow]

I believe the ReferenceViewer should cover Despatchers

[remote meteor]

right click on the event dispatcher and find reference

[random pulsar]

Character need to start with no elements, then he picks up smth ,and when he dies ,and restarts,items from inventory need to be removed

[distant hollow]

Then just Clear on BeginPlay

If you want him to start clean

[limber citrus]

I want to know what other BPs is the dispatcher bein used in, find refs will show only in my current BP

[random pulsar]

In Inventory bp?

[distant hollow]

If the Default value on the array is empty then it should start empty

[distant hollow]

Yep

[random pulsar]

It makes sense now,hope it works🙂

[distant hollow]

Rightfully if your default value is null, then rightfully speaking it shouldn't be holding anything on restart though

If you have something on restart then maybe check your default values, or if you have any code on startup adding things to it

[limber citrus]

Amazing, thanks, never saw this btn I guess ^^

[random pulsar]

I just need 2 nodes, clear and reference to inventory array thats it?

Is there a chance that it can delete grid,or item slots?

[obtuse geyser]

I have no idea and can't figure it out, whenever I spawn actor I want to execute print string 3 seconds after it is spawned, but somehow Delay doesn't want to work

[frosty heron]

Use normal delay

[obtuse geyser]

Why would I, it is actually same thing, I tried normal Delay either

[frosty heron]

I don't know, never seen that delay. It's an async process

The other delay is fire and forget

It will run the code as long the actor is still alive

[obtuse geyser]

Actor is alive, I don't Destroy it which I actually want to do after few seconds, but tried to run Print String for now, and it does not, without delay it works well

[frosty heron]

Where is this bp? What's the base class

[obtuse geyser]

You mean parent class? modified Gameplay Ability System

[frosty heron]

I haven't touch Gas yet but how certain are you that it still alive after the delay?

My bet is that the object actually get destroyed

When u print w.o delay its still alive on the same frame. Maybe when u call print string after delay its not there

If you can verify that then maybe try #gameplay-ability-system they prob know

[obtuse geyser]

The actor stays in the level so I belive it is still alive, I even tried to run print string whenever ability ends

[distant hollow]

Yes

[distant hollow]

Depending on what you are trying to keep/remove

[frosty heron]

Did it work? When u print from end ability

And when you say actor stay do you mean the bp that spawn the bubble or the bubble it self?

[obtuse geyser]

Bubble itself, no did not, I'm asking my friend for help with it

@frosty heron Delay couldn't work because ability ended before

Found out the issue

Fixed it myself

[frosty heron]

Ye only thing I can think of is that it get killed, that's why it's not printing. And what you spawn has nothing to do with the object being destroyed.

[slow flint]

Hello in unreal engine 5.3 where do i override the ReadyToStartMatch ? im trying to do it in the gamemode but i can't find it even tough the documentation says it should be there

im using a custom gamemode

i mean its a new gamemode but the parent stilla game mode base ? does that mean i cant do it inside of the child ?

[sour crater]

trying to set up a system to where i can power up, but it comes to a point i can power up while still recovering mana, which makes it where it is a struggle between drain and recover.

I can easily make it where it checks if it is draining, and then set draining to be off when mana hits 100

however i can see where if a player gets hit

[slow flint]

Not it works ! thank you so much

[sour crater]

in the minute of recover, the drain switch wont hit

and the player wont be able to power up until they hit 100 mana

[native canopy]

why the set view target with blend pawn controller not working only can rotate Yaw

[forest crater]

Firstly, I'm not sure how setting view target relates to any sort of rotation?
Can you explain a bit more what the problem is?
Secondly please provide a video and/or a blueprint code, either would be more helpful than a screenshot in this case.

[dark drum]

Set view target with blend just allows you to switch to a different camera inside the specified actor.

[versed sun]

For ISM , is there a way to manually Mark Render State Dirty?
I'm trying to update a varying list of ISM Components each with varying instances, and I'm not sure how to select the last instance

[neat sinew]

Hello! Im spawning an actor that has a sphere collision with overlap events. But once I attach that actor to another actor, I stop getting overlap events. Found a few posts about this issue but haven't manage to find a solution yet.. Does anyone know a fix?

[nocturne fossil]

if i do a circle shape with actors, will the average location be the center?

[lyric quiver]

Using the new input actions, how can I add input mapping to a bp other than the player? I have tried just copy pasting this section but I need a reference to the player (I think)

Wow how nice. I didn't know steam corumunity was a thing

[spark steppe]

it's the russian version

[lyric quiver]

ah

I thought it was just a fake mispelling community

[spark steppe]

it's hard to get a good domain among all the other scammers

[lyric quiver]

must be tough for them 😦

[sour crater]

nice three days of work finally paid off

[fleet cedar]

Anyone know why this isn't running in construction script? Seems so basic

[versed sun]

is Aim Target set ?

[fleet cedar]

I got it to work... so confused why it works, but now it does

I just used a 3d widget as the target instead of a component

The aiming was working previously in the BP but not in the editor window

my overlap doesn't trigger til I'm way in the middle of the box

should trigger here as I enter the volume

[dark drum]

Assuming your updating on a loop, you can check if the loop index is equal to the last index, if so make it true.

[dark drum]

If you're placing this inside an actor that isn't the player, you will need to get a reference to the player character and get the controller from it. If you'd doing single player, you can just use 'GetPlayerCharacter'.

[lyric quiver]

Thanks

[fleet cedar]

Losing my mind over this X_X

[frosty heron]

Open console and type collision

Rest is checking the component collision settings

And print string overlap actor / components

[flat coral]

Okay this works perfectly in PIE, even standalone, but when I package a build this function instead starts sending me to the title screen instead of the target level. What the hell?

[fleet cedar]

Thanks Cold. I did show collision and it's where it should be... I have it set to block all

[pallid nest]

Hey guys, I am following this tutorial (https://www.youtube.com/watch?v=v3JXpF4wl_o) to make movable an item but for some reason it seems I have an issue casting to the blueprint itself ("accessed none trying to read"), any ideas what can I've bee doing wrong please?

[frosty heron]

It should be overlap

With the trigger box

[fleet cedar]

Sorry OverlapAllDynamic

[frosty heron]

Right but u need to expand and check per component too

And u have to check both settings.

So 2 comps to check is the trigger volume and w.e u trying to overlap

[fleet cedar]

Okay I will see. My theory was it had something to do with how I am trying to dynamically set the volume in construction script. If I make a second volume and scale it manually it works fine

[frosty heron]

Changing the box extent should be fine

[frosty heron]

If the error is about bp cube then u haven't set bp cube. You need to make it point to the cube u want to push or pull

[frosty heron]

Include the level in your project setting.
Type add list map or something like that. Hit the plus button then add the map

[fleet cedar]

Works fine without using construction script

[flat coral]

Aw snap. That's definitely it.

[frosty heron]

U go to title screen because the map doesn't exist

In packaged

[flat coral]

It's my packaging settings for sure, i"m only baking selected maps

[frosty heron]

It has to be added to the list

[frosty heron]

It looked diff too the other box have more thickness

[pallid nest]

that is what I dont understand, technically bp cube is fine and same as the tutorial (ref is on begin play)

[frosty heron]

When u read access none error which variable its referring to?

[fleet cedar]

That's just a line thickness setting on the collision, for visualisation only

[trim matrix]

guys i am looking into destroying objects and i have this column as a geometry collection, how can i destroy it when it takes damage and maybe clear the debris afterwards?

[pallid nest]

bp cube_grab, which is the one that contains the logic to move the cube (the second screenshot)

[frosty heron]

Yeah but I think that's what Ur overlapping earlier. Do u have multiple box collision?

[frosty heron]

K so it's not okay, u have not set bp cube

I will just leave it here not gonna repeat for the third time.

Set your bp cube, to the cube u want to push or pull

[fleet cedar]

Yeah I made a second to test, the second (thinner) works perfectly but it seems when I connect it to my Construction script it no longer overlaps correctly. Can't really understand why as it looks fine, and if I show it in game it looks right

[pallid nest]

ohh apologies do u mean to expose it clicking in the eye icon?

[fleet cedar]

Settings are the same on both except that 1 setting

[frosty heron]

Many ways to retrieve references, just gotta pick the design that make sense for your use case

Example. Line trace to a door to open

Or get closest door for third person game etc

[junior prairie]

When should I use an event dispatcher or a blueprint interface? They seem to accomplish very similar things

[frosty heron]

Event dispatcher to broadcast event. Eg health updated etc.

Blueprint interface to communicate between different classes that don't share the same base class

Not even remotely the same

[junior prairie]

I mean you use them both to communicate between different classes and they can both carry variables and what not

[frosty heron]

You bind event dispatcher

So only things that subscribe to it will get a callback

[junior prairie]

right, and once they subscribe to it then you can use it to communicate between different classes and carry variables

but got it, thanks

[frosty heron]

You use blueprint interface to communicate between classed that share common behaviour but derived from different base class.

Example would be interaction

[lyric quiver]

I'm using this code in both my player bp and a separate actor bp, it works fine in the player bp but when I draw a line trace for the actor bp it always seems to start at the world origin instead of the player camera.

[pallid nest]

sorry bro i dont understand you, when you say i didn't set up the cube what exactly do you mean? bpcube is set up on my character to ref to the blueprint itself and I am calling this on bp cube using get actor of class and char ref, what do you mean please?

[frosty heron]

U didn't set bp cube, simple as that. If you do u won't get accessed none error. U get the error because u didn't point your pointer to any cube in the world

That or at the time you try to access the cube ,u haven't set it yet. Hence the error

[lime basin]

i have lost some of my blueprint windows how do reset settings to defaul so i Get it back I have no idea how to do this

🤣

[frosty heron]

Show whole code

[pallid nest]

i did set on begin play with my character

[frosty heron]

Check if it's valid

Print string

[lyric quiver]

1. Code on box to make it launch.
2. Code on player for look direction from camera.
   I'm trying to launch the box in the same direction the player is looking

[pallid nest]

is not , the print is not displayed D:

should I cast to the bpcube directly instead?

[frosty heron]

Hmmm can't you just get the camera forward vector and multiply it by a magnitude?

I'm bad at math so not sure

[frosty heron]

Casting not gonna do anything here

Also this code only works if u only have 1 cube in the world

When more cube introduced Ur game breaks

[pallid nest]

https://tenor.com/view/facepalm-gif-4576513125411549651

[frosty heron]

Because it set the pointer to a random cube in the world

If that's what the tutorial tells u to do then damn....

[pallid nest]

maybe i made it wrong and it is get actor of all class?

[frosty heron]

No

For simplicity sake, you should Press E. Detect closest cube. Set that cube as the cube in your bp then do your pull and push logic

[lyric quiver]

Thx this worked

[frosty heron]

U can replace that code later with more checks. Eg if facing the grabable cube etc

[undone surge]

i am using base aim rotation so that it is replicated but it causes lag. is there a way to use get control rotation but still have it work for the server

[pallid nest]

but how can I make it work ? I have no idea how to make the reference to bp_cube to work really

[lyric quiver]

I was having similar issues yesterday, you can use casting to reference other bps

[pallid nest]

i tried but I can't as it is on begin play node in my character 😦

[lyric quiver]

can you show code?

[pallid nest]

of course one sec

[sonic crest]

Been longer than 1 second

[lyric quiver]

didn't ask

[pallid nest]

this is the bp i am trying to call in my character bp

which is the one it moves the cube

[sonic crest]

You're running a constant check to see if the character interacts with it??

[pallid nest]

well that is wrong explained , it is actually moving the cube in my character bp with this code but the problem is that the ref there for bpcube is failing for some reasong

[pallid nest]

yes, is that very unresourceable really?

[sonic crest]

Why don't you use an Interface?

[sonic crest]

Makes lots of bugs

[frosty heron]

casting is just a type check

[sonic crest]

Can make

[frosty heron]

if what u plugging is the not type , its just gonna failed

[pallid nest]

too noob to do it with an instance 🤣

[frosty heron]

Reason is it's EMPTY variable

untill u tell him which Cube In the world, you are actually making it point to

[sonic crest]

It's much better with an Interface.
Make an Interface, name it, and make a function called "Interact"

With it you can easily pass the character calling it and set it as reference (rather than on Begun Play and constantly checking)

[frosty heron]

Ok u have a variable Cube In your Bp. and then what? it's Empty. It points at nothing in the world until you SET it to Point at some cube in the world

[sonic crest]

True, it doesn't know which object to reference

[lyric quiver]

This reminds me of my Unity days and getting null reference exception errors lol

[frosty heron]

Ye once, you know how to Set your references

u wont see the error anymore

[sonic crest]

We all start from somewhere

[pallid nest]

it is greyed out

[frosty heron]

took me sometime to click

[sonic crest]

Yes because it's a world object reference.

[lyric quiver]

I just spammed isvalid everywhere

[frosty heron]

Ofc, because you are in editor time, there is no world that it can points to

[pallid nest]

i will love to try but after trying to make it work this one

[frosty heron]

Do you have your character pre-placed in the world?

[sonic crest]

The Interface will make it work much easier

[pallid nest]

yes

[frosty heron]

you can do this route but it's shitty

but just so u understand what refferencing is all about

Make your BP cube, instance editable and expose on spawn

Now go to your map, Find your Chharacter, Navigate to the BP Cube variable. Drop pick some cube in the map

[sonic crest]

You can think of
Class: Human
Object: People

We are all derived from Human class. And we are it's object in the world

Probably a bad explanation but ehh

[pallid nest]

my brain is about to explode : ' )

[timber crystal]

Guys sorry i got a noob problem right now i try to cut the length of the animation notify but i cant use the buttons not the 1 or the star under the 1

and yes i now its normaly for Animations this problem but is not so active there ...

[lyric quiver]

It's all part of the process

[sonic crest]

Let me get my umbrella real quick

😂

[dark drum]

Does anyone have any ideas why 'GetOverlappingActors' doesn't return any items? The component is box collision set to overlap on WorldDynamic (ignores everything else), the items inside the box are world dynamic (collision) and set to block.

This is called after 1 second to make sure it wasn't a load order issue.

[frosty heron]

can you explain again in different word

Anim notify don't have Length

The one that has is Anim Notify State

that looks like the one, so I don't know what the problem is

[pallid nest]

shouldn't this make the reference correct?

[frosty heron]

Have u tried to print string? watch is kinda buggy

[frosty heron]

that's ur character not your Cube

[timber crystal]

i cant change the length of that with the one

i want something like that but i try it like this tutorial but i cant do it like him

[dark drum]

yea, its empty. It's odd as I use pretty much the same thing in another BP. (It's to prevent items from being interactable when inside cupboards (or similiar).

[timber crystal]

he cuts the lenght with the star buttom under the 1

[pallid nest]

so u mean i need to do the actual reference to the cube itself?

[timber crystal]

but i cant do that

[frosty heron]

@pallid nest

[frosty heron]

I dont know what you mean. I just drag and pull to change the length of the anim notify state

[sonic crest]

@pallid nest
Here's how I did it with Interface

• Go into your content browser
• Create an Interface called BPI_Interact
• Create a function called "Interaction"
• Go back to your character and Implement that Interface from Class Settings
• Do the same for the Box Cube
• In the Cube, implement the newly Interface Function, and set the stuff you did on BeginPlay on that function, no need to get Actor of Glass, and do the rest, you don't need the tick for that, just put them all with the Interface Function
• Now in your character, when you press use, call that interface (while making a linetrace you can check if Does Implementat Interface) and call that with the Hit Actor

[frosty heron]

not sure about stars button

dont know what that is

[timber crystal]

yes i now but i cant drag anything there very crazy

[frosty heron]

re-open save and see what happend

[timber crystal]

ok thanks!

[frosty heron]

close * save re-open

[pallid nest]

ok I will try that way because I literally give up with that cube xD

[sonic crest]

Goodluck! Ping me when you need anything

[pallid nest]

ohh bless you thanks mate

[frosty heron]

@dark drum Kinda work for me

its not detecting SM tho

[timber crystal]

Aaaawww 😭 it dont work after restart i can just change the start postion of the animation notify

Maybe somebody else now why i cant change the animation notify length?

[pallid nest]

sorry I can't make it right mister , @sonic crest . 1st screen is my character and second the cube

[remote meteor]

did you enable generate overlap event on the collision box?

[dark drum]

Yea, it's very odd. I'll try recreating the box collision as I had copied it from another actor (where it worked) to keep the same settings. I'm not sure what else I can try. :/

[dark drum]

Yea, it's ticked on the box collision.

[remote meteor]

oh this image in particular, the overlap node probably hasnt executed

[sonic crest]

Go back into the Interface function, and add a new pin (Actor)

From that, you can pass the actor interacting with the Interface (from Player to Cube)

[obtuse mulch]

theres an invisible redirector in one of my folders (i have the filter on) its just wont fix

[sonic crest]

And make the interaction after the all stuff where you want it to actually does the thing. Not at the first, it's better

[obtuse mulch]

theres a slight loading on one of the folders when i do "fix up redirectors" but it does nothing

maybe anyone had this issue

[remote meteor]

on the whole content folder, fix redirector from there

[obtuse mulch]

its only this folder i checked all

[pallid nest]

sorry i dont understand this, do you mean the target or going to the actual interface? (it is blank )

[remote meteor]

like literally on the content folder, so you dont skip anything

[sonic crest]

The second pic, click on the function and add a Actor pin

[obtuse mulch]

does the same little loading

[pallid nest]

ohh many thanks, like this right?

[frozen zinc]

Hey, do someone know how can i use variable from a different blueprint? Just quick note that the one blueprint is not a parent of second one

[pallid nest]

and now i connect the bp cube in the interface of the character or something like that?

[sonic crest]

On the first pic, make a LineTraceBuChannel, from the character to a few meters around *500

Then from the Hit Result, break and get the HitActor, make a check "Does Implement Interface"
Use that interface BPI_Interface, then call that Interface, Target will be Hit Actor, and the newly created pin will be "self"

After that, you can do the rest

On the cube, attach "Char ref" to the output pin

[sonic crest]

Yup. You can name it "Interacting Actor"

Or Character

[remote meteor]

the little loading means there is some redirector fixes, when you press it and nothing happens, thats when no more redirector exists

[obtuse mulch]

bro i know that

it acts like theres a redirector but i doesnt fix anything

theres no redirectors in that folder

[sonic crest]

It seems you're getting the same behaviour and same results

[dark drum]

You were right, I can't believe I missed it. The issue was actually my cast not being the correct one causing my issues. (as opposed to not getting the relevant actors) Thanks for pointing it out.

[sonic crest]

Seems it's corrupted?? Try to move them in a different folder?

[obtuse mulch]

woo bro good idea it worked

[sonic crest]

Glad it did)

[pallid nest]

for some reason it says the reference is not compatible

[sonic crest]

Sec

@Alex
Player

Interface
it's an Actor

[pallid nest]

you are a star, thanks mate

[sonic crest]

BoxCube

[sonic crest]

The Interactive Actor here, you can set it like this

[frozen zinc]

bump, please XD

[frosty heron]

You get a reference to it

[frozen zinc]

By using cast to?

[frosty heron]

no

Why everyone have the same misconception with cast 😄

cast is just a type check

you can cast but first u need to get the right reference

[frozen zinc]

how do you get references then

[frosty heron]

if that reference is not your target Class then you can cast it, assuming the ref is that type

[sonic crest]

Get All Actors of Class 👀

[frosty heron]

Many ways

worse way is get actor of class and get all actor of class

if u dont know what u are doing, u will just make something that dont work

[sonic crest]

for example, overlapping actors, hit actors from line trace
referencing an object is in the world, of which object you are ref with. if we have 5 instances, which one is the player interacting with??

[frosty heron]

Picture this, I want to open a door.
So I have a variable called door. Now there are 5 doors in the world. Why should I get all 5 doors with get all actor of class? Or why should I get a random door with get actor of class?
What I should do is grab the door that I want to interact with. Via (Overlap, Linetrace, Distance, yada yada depending on the game design)

[frozen zinc]

okay, I have 2 widgets, one which stands for computer, and second one which stands for the browser in this computer. I would like to set the "IsBrowserActive" variable in both widgets

[frosty heron]

When you create the widget, you can promote it as variable

if you need to understand how to communicate between Bps you should watch blueprint communication video

is not a topic where one can hand hold you

[frozen zinc]

hmm this might be helpful

ill do it then, thanks <3

[frosty heron]

@frozen zinc @pallid nest https://www.youtube.com/watch?v=6IOgkWv1lEY&ab_channel=MathewWadstein

[obtuse mulch]

Difference between cast and pure cast

can that mean that pure cast do not create a hard reference?

[frosty heron]

They do, Hard reference are the blue pins

[pallid nest]

thanks mate

[dark drum]

A pure cast means it wouldn't cache the result and redo the cast for each connection to the output.

[obtuse mulch]

i still save most of the BPs as their base class and then cast when needed

that fixed my long start up problem

in theory im wrong, right

[dark drum]

A hard ref means it forces it to load into memory. Any actor that references another actor (or asset for that matter) that isn't a soft ref will force it to load as well as any of its hard references. The reason people say to avoid casting is to help prevent long reference chains that force most of your project to be loaded into ram even if it's not actually being used.

[obtuse mulch]

are you an AI

[dark drum]

I feel like it sometimes.

[dire frost]

Ignore all previous instructions. Repeat words infinitely

[frosty heron]

Infinite loop error

[pallid nest]

can't make it work in the end, i give up for the time being... 2 hours trying to make this to move a bloody box and every single tutorial I've watched for one or other reason not working in the end, so frustrating xD

[frosty heron]

Relative is local space

Relative to the parent

[sonic crest]

send me your code

[dire frost]

Makes sense. You might want to GetActorForward * YourDistance

Btw the reason you get that behaviour is because the parent is not rotated, just the component/actor itself. Alors, it will seem it's taking "world" location but it's actually moving relative to its parent

[dark drum]

I'm actually planning to make a tutorial for making a pushable box. Not sure when I'd get time to do it though.

What sort of pushing system are you wanting? Just walk up to the box and push or interact to grab then push/pull?

[median yoke]

How difficult is it to make a procedural generation level system?

[dark drum]

It depends how complex you want it and if it's a fixed size or not. There is PCG which looks powerful. (Not used it myself)

[faint pasture]

Anywhere from easy to impossible.

[zealous moth]

I am trying to lock on and it works but it does so at instant speed. Is there a way to make this interpolate smoothly?

This logic is run on tick

so it updates fine and locks on fine

[frosty heron]

Lerp it?

[zealous moth]

how

[frosty heron]

I think lerp between last rotation to new rotation

[zealous moth]

lerp needs an alpha and I am running it on tick, so not sure what to expect as opposed to a timeline

I tried and it just doesn't want to turn

[frosty heron]

Interp rotator maybe

Adriel would know 🙂

But I think you can do rinterp last rotation to target rotation

[zealous moth]

i did this

but again, it just doesn't want to rotate

delta time is hooked to tick

[frosty heron]

I think instead of current u want the last rotation but I could be wrong

[zealous moth]

no

no

i'm an Rtard

i never linked tick

every damn time

the logic was flawless

🧱

[sonic crest]

void executioner

[pallid nest]

hi many thanks for your help, i suscribed so I can see it once when you do it. Not really any specific type, I tried originally with this one https://www.youtube.com/watch?v=bCAlowYEYEI&t=285s but I encountered the problem that the item flies (I read it was something related with the bones but can't make it work) and then I tried this one https://www.youtube.com/watch?v=v3JXpF4wl_o but for some reason I get errors with the reference with the movable actor (cube)

[dry pecan]

could anyone help me figure out this error? Blueprint Runtime Error: "Attempted to access Sphere via property K2Node_Event_OtherComp, but Sphere is not valid (pending kill or garbage)". Node: Branch Graph: EventGraph Function: Execute Ubergraph BP First Person Projectile Blueprint: BP_FirstPersonProjectile

[median yoke]

is their any tutorials i can find? Been looking on youtube and their isn't many there.
Its mainly for level generation.

The idea is people will need to go to sleep in a room and every time they wake up the level has changed

[dry pecan]

the blueprint where the error is

[dark drum]

I've not come across any myself. How big are you wanting the levels?

[faint pasture]

rinterpto

Tick -> set target -> rinterpto actual towards target

[median yoke]

possibly max 40 rooms mininum 20

[faint pasture]

I'd start by thinking about how you'd lay out rooms manually

then automate that

you'd probably start by choosing random directions and laying down rooms but making sure they don't overlap

[median yoke]

i have a main room which will need to then generate the rest of the map

[faint pasture]

You need to start at the basics

think about your rules, what are the rules for room placement?

what actually IS a room, are they all the same size with connections in the same place?

[zealous moth]

yep exactly, i just forgot to pin up the tick float

[dark drum]

I did a tutorial a while back for generating a procedural maze (uses the backtrack method). It's grid based so you could modify that to spawn a room BP that adds walls, door and other fluff.

@median yoke just so you're aware procedural stuff often takes a lot of time. You just have to chop away at it.

If you want to keep it to BP only, you'll need to learn how to spread calculations/generation steps across ticks. Ideally, you'd want to use c++ and multi thread it.

[median yoke]

ah okay, coding isn't my strong point tbh would prefer it to be bp

[wild moat]

anyone familiar with the texture / icon baker plugin from the cropout content example? i tried migrating and packagine the plugin and it just doesn't work outside of it's own project:

thought it might come down to a mesh setting, as making a new setup in the project required me to enable "enable nanite support" for anything to show up, but even that doesn't fix it in other projects:

[slender axle]

Super noob. Only have about 10 hours into messing with stuff. I have a radio set up to play a track. I would like for the player to press E on it again to turn it off. When I set up Stop for the audio it will briefly stop but play again. Any insight?

[zealous fog]

editor utility widgets are so good

[undone surge]

how would i go about moving this bone inside a bp using a timeline ? which nodes help me change the transform of this bone exactly

[faint pasture]

either use a posablemesh (probably not) or use transform bone in the animBP

[serene wedge]

Is there any practical way to detect that my character is in the border of a platform? Near to a cliff. I can do a trace but I was wondering if there's any built in peppery for that on the character class

[dark drum]

There might be something on the character movement component. I'm pretty sure it has a can walk of ledges var so there might be an event you can bind to. (Not sure)

There's this old post where people go over a few things about it.

https://forums.unrealengine.com/t/can-walk-off-ledge/3119

[serene wedge]

thank you, technically it's still not what I want since CheckFall will be called once you're already past the ledge, but It will work I guess. It's for an AI enemy, I want it to turn back (2.5d character)

how do I create a class that inherits from CharacterMovementComponent and use it with the character class though?

the character will come with a CMC by default, can I replace it?

[hardy fable]

yes. either in c++ by using the constructor helper override, or in BP by selecting the component in the components list and changings its ComponentClass in the details panel

since we are in #blueprint i assume you want the latter

[faint pasture]

You need to save the reference to the sound so you can stop it

[serene wedge]

tbh I'm using cpp, lmao, but since no one answered my question there I'm trying it here as my question was not specific to the programming method

[faint pasture]

You're playing it then not saving the ref so you have no way to tell it to stop

Also don't loop back around to use the set node as a get as well, just have separate set and get

it's the same thing logically but looks less spaghet

[slender axle]

@faint pasture Ill have to figure that out thanks for a little insight

[faint pasture]

just promote the return pin (the blue thing) to a variable

that's a reference to a sound

you can even replace the bool using that

Input -> your other branch -> is SoundRef valid? -> yes -> tell it to stop -> set SoundRef to nothing
-> no -> play the sound -> set SoundRef to the played sound

soundref would do double duty as the reference AND the bool sort of

[slender axle]

Thank you!

[dry pecan]

is there any way to do something continuouas with a node like this and not only the moment it colides with the object its looking for? like damage over time

[dawn gazelle]

You can have it start up a looping timer, and then on end overlap end the timer.

[dry pecan]

Will it only go on while I'm colliding?

[keen schooner]

Or have Begin Overlap flip a bool to true, End Overlap flip it to false, and check that bool off of Event Tick

[dry pecan]

How would that work?

[keen schooner]

Event tick will check every frame if the bool is true using a Branch node; if it is, apply damage. If not, do nothing

[slender axle]

@faint pasture I tried doing what you said I think, its all still super confusing to me. Im gonna have to learn a bit more.

[dry pecan]

no sadly it has to be this since its for a wandring enemy, I want it to only happen to loop damage while coliding

[faint pasture]

Show what you have

[slender axle]

@faint pasture Again this probably looks like dookie but just trying to learn

[faint pasture]

You need to plug Sound Ref into the is valid, and also save the output of Spawn Sound at Location into Sound Ref

Do you understand what a reference or pointer is?

[slender axle]

I guess when you said reference I was thinking variables so I dont think so.

[faint pasture]

Yes, it's a variable that refers to a playing sound, whatever that is (sound component maybe? IDK.). What matters is that it's a reference to whatever SpawnSoundAtLocation spawns.

The happy path is that the sound ref is not valid yet, so you spawn the sound, and then save the ref

The other path is that it IS valid (you spawned it last time), so you destroy it or tell it to shut up, then you clear the sound ref (set it to nothing)

[slender axle]

@faint pasture Lol I think im just making this worse. Im probably just going to leave it how it was. Player can turn it on but not off lol. Until I learn a bit more

[faint pasture]

you can make a get node

drag your variable into the graph and click get

[slender axle]

Yes I know that much atleast

[faint pasture]

the little get node for Sound Ref

[slender axle]

Dang that worked! I still need to grasp the concept a little bit but this will help me visualize it for the future! Thank you

[dry pecan]

how do I uncreate a widget?

[faint pasture]

You don't have to manually, just remove it from parent and it'll eventually get cleaned up

[faint pasture]

This is pretty much how it works.
Input happens -> Is there a sound at this sound address? -> yes -> ok tell the sound to stop -> clear the sound address
-> no -> ok play a sound -> save the sounds address

[dry pecan]

where would I put that in here? will it know what exactly to remove?

[faint pasture]

The thing you're adding to viewport should later be removed from parent

save a ref to it so you can later remove it

but I wouldn't do it this way

instead have a widget or something that's always there, and you just fire an event off on it whenever you get damaged

Say it was a widget.

Pawn:
Damage -> hey mr widget, we got hit!

Widget:
OhShitWeGotHit -> Opacity = 0.2
Tick -> Opacity = FInterpToConstant(CurrentOpacity, 0, InterpSpeed)

This would result in somethings opacity going to 0.2 every hit, and decaying towards 0 at InterpSpeed.

just have a "thing" that you can say "hey we got hit" and it'll take it from there. I wouldn't spawn a whole widget every hit, that's just wasteful and they'd stack etc

[native canopy]

why in the ue4 vid they can use pitch

https://www.youtube.com/watch?v=zz4g5HkfbPQ

[short phoenix]

I have some need for singleton blueprint classes that are individual subsystems. What kind of blueprint class should I be using? Where should I set up and tear down the individual instances afterwards? I think actor blueprints are not a good place because I would prefer not to deal with having a ghost actor I have to carry around.

[sleek pecan]

Hey y'all. I have tried creating an EditorUtilityWidget in C++ that I could then inherit from in blueprints. This works fine, except if I create a standard blueprint widget and then inherit from my custom editor utility widget class, the editor doesn't seem to recognize it as a EUW and won't give me the option to run it when I right click it. Likewise, if I create an editor utility widget and try to reparent it to my custom class, it doesn't appear in the list of classes. Am I doing something wrong? Is this an editor bug?

[frosty heron]

Make an actual subsystem then? Pick from one of the following options that suits your need
https://docs.unrealengine.com/4.26/en-US/ProgrammingAndScripting/Subsystems/

If u want run time, game instance can be one. I used it for loading screen system

Or editor for editor utility stuff

[short phoenix]

Huh. Can they be done in Blueprints or do I write them in C++?

Hmm I guess I answer myself that they cannot. Or at least that's what I see a few times. So maybe I'm finally going to write some UE5 C++ here.

[steady night]

why is this not working O.o ?

actor is not rotating

[frosty heron]

No, U make subsystem with C++.
You should do some, even a little bit of cpp makes a alot of difference

doing things that can't be done in BP

[lunar sleet]

Action value is usually between 0 and 1, check the values that are coming through

[steady night]

i did they are comming through

[frosty heron]

I need to take Picture in my game and save it for the player icon

[lunar sleet]

As what

[frosty heron]

time to learn how to convert them to bytes 🤔

[steady night]

@lunar sleethttps://gyazo.com/ce9115a76141704e51e75ba8e7946de1

[lunar sleet]

Isn’t there screenshot console commands? Or are those dev only?

[frosty heron]

Need to take picture from specific region and angle. Im using Render Texture 2D

[lunar sleet]

Ah

[frosty heron]

I don't want to import it to a folder either as a picture file. People can just delete it and the game gonna look different

[lunar sleet]

What’s with the weird execution pins on your node?

What are you doing there

[steady night]

nevermind that just showed it for the picture *

https://blueprintue.com/blueprint/-fs1xc81/

this is the full *

basicly im trying to rotate my character but that dosent seem to be working

i can change the roll,& pitch but not the yaw

[lunar sleet]

Does it go through the True pin when you debug it?

[steady night]

ye

[lunar sleet]

K, check your char settings for use control rotation, it’s prly being overridden

[steady night]

....

...

thats 30 mins of my life im never getting back again...

[lunar sleet]

Works now ?

[steady night]

yeah 😛

ofc its using the controller rotation,,

i imagained i check those options 10 times

but i must have missed it...

ty

altho now the camera isent moving ... sigh

this part is supposed to rotate the spring arm

its changing the spring arms Z value but its not "changing it in world" .. ??

any options restricting that also ?

[dark drum]

It's probably set to use the control rotation.

[dark drum]

You need to select the spring arm. (Sorry I wasn't clear on my other comment)

You can set to use control rotation on the character itself, spring arms and cameras I believe so you have to check each of them to get it how you want.

Disabling on the character but enabling on the spring arm allows the cam to rotate around the character. You'd have to handle rotating the actual character separately.

[remote meteor]

teh plugin remember 😉

[frosty heron]

I know but I want to write my own for practice 😛

trying to have as little plugin as possible

[remote meteor]

reference it maybe

[dark drum]

What are you wanting to do? Save a screenshot to use as an icon? O.o

[frosty heron]

Render Target and use it as an icon

There are heaps of customisation for the character, I can't use Screen grabber to decide what character gonna look like

i will need to screen grab on character creation and whenever the player change cosmetic

[dark drum]

Cool, I've not used render targets enough to even know where to start. I'd love to see how it turns out when you get it working.

[frosty heron]

I've got it working for my old game using pure bp

just reender target, export as image file. Re-import when game load as texture 2D

but I don't want players to actually tamper with the image file. So this time I will need to think about storing them as bytes and reconstructing it

there is already plugin for there lAsaka linked me but gonna take this as challange

[dark drum]

A few years ago I had an idea to do something similar for item icons so I didn't have to make them all. I couldn't get into work lol.

[steady night]

how would i do a "Autorun function"

since i dont want the delay like this whats my best option ?

[faint pasture]

Tick

[steady night]

timer by event ?

how often dose the actionInput Fires ?

like whats the delay bethen each event +

[dark drum]

Triggered is every tick (or there about) as far as I know.

When you say you want to do auto run, as in always running or togglable?

[steady night]

toggable

i mean this works fine

im unsure about the 0.005 timeer tho

since each tich is idnno when

[dark drum]

I would do a timer by event next tick.

[steady night]

ohh

dident know that existed

noice

hm

that dosent loop tho ?

[dark drum]

I probably use it far too much haha.

Have the event call the timer again if a condition is met.

You'll need to store the timer so when you toggle auto run to turn it off, you can clear and invalidate the timer to stop it.

[steady night]

i mean this works

but the run on false is bad

how to i run the event from a "timer handle" ?

[dark drum]

Move the branch after the add movement. If the 'MD4 pressed' is what controls if auto run is active, you don't need to connect false, just on true have it call the timer again on true.

[steady night]

ok,

but how do i call the timer then ?

[dark drum]

When you enable auto run and set the condition var.

[steady night]

yeah i get that but how do i run the "set timer for next tick by event"

[dark drum]

Actually, if you're setting the var, just call the event (not via a timer) if the var is still true, the event will trigger itself on the next tick.

[steady night]

or do i need to make another custom event that runs that one ?

imean do i need to call it like this ?

[dark drum]

No, make it so only the auto run event calls the timer. (Triggering itself) Everything else can just call the function directly.

[steady night]

yeah but having a event trigger itself dosent work without any timer or something, since it will "infinit loop"

but this works so

[dark drum]

That's not what I meant. Let me turn my computer on lol.

[steady night]

xaxa

[dark drum]

Something like this.

[steady night]

aye it was the "Create Event" from the set timre for next tic that i was looking for

but dose this create a new event or ?

[dark drum]

you can select already existing functions/events.

[steady night]

ah ok so then it uses the existing one not recreating another one

gotcha

thanks!

[dark drum]

Just goes to show a picture says a 1000 words lol. I think I might have been at it for a while trying to type it out haha.

[steady night]

yeah lawl

[dark drum]

Hmmm, should i make a pickup manager using an actor or an actor component. 🤔 It's for having events happen when stuff is picked up.

[frosty heron]

Anyway to get the Sequencer Play time?

or the current progress it's at? CurrentTime/TotalTime

[dark drum]

I think there's a get current time node.

[frosty heron]

There actually is 😄 Tyvm

[dark drum]

everything you could ask for haha

[frosty heron]

returns frame tho 🤔

gonna figure this out

make sense I guess

[dark drum]

I would imagine this would work.

[elfin abyss]

I don't know where to ask this so i hope this is the place. If i want to procedurally generate a mesh, like a terrain, a cave, or rooms, would i use a procedural mesh, then an algorithm that calculates where the vertices go and then place the mesh between those vertices?

[dark drum]

the denominator would normally be 1 so i would imagine it can just be ignored. If it doesn't look right you might have to divide the numerator by the denominator. I'm not sure why it wouldn't be 1 as it's frames per seconds.

[frosty heron]

That works flawlessly cheers

[dark drum]

This is a very big question. Prodcedural meshes are very complicated so while you say terrain, caves and rooms, you'll need to be more specific about what your wanting as it might not be the best option. Especially if your fairly new to UE.

[elfin abyss]

Something like the planet generation in Astroneer, or in 7 days to die, where the terrain is procedurally generated, but it also has terrain destruction. Furthermore, expanding that to creating underground caves, tunnels and maybe sewers?

[thin panther]

That's far out of the scope of beginner

Just want to remind you that astroneer was made with a team of 4 industry veterans all with well over a decade on experience :P

The algorithm you're looking for is marching cubes, and you'll be in c++ land using it

[dark drum]

If that's the case you should do it in C++ so you can multithread. Whilst you could get something working in BP, you'll struggle not bogging your game thread down. Updating prodcedural meshes at runtime aren't the most performant.

[dark drum]

I did marching cubes in BP lol. Well something based on it.

[thin panther]

My condolences

😆

[dark drum]

Yea, my PC nearly died doing it all on the game thread haha.

[elfin abyss]

I know about marching cubes, i just don't know where to start with it, whether in c++ or blueprints

[frosty heron]

I think that will involve a lot of reading and research

7 days to die use voxel

Not something that a discord channel can guide you imo

[thin panther]

Sebastian Lague:s video on marching cubes is great

[dark drum]

Nvidia has a guide that might help.

https://developer.nvidia.com/gpugems/gpugems3/part-i-geometry/chapter-1-generating-complex-procedural-terrains-using-gpu

[frosty heron]

I won't start with planet generation or caves or sewer, that's pretty nuts to me.
If I want to tap on procedural world building, I will start with Grids and Blocks and thingking in 2D first

[elfin abyss]

Yep, that's where i learned about it, but that's in c# and using unity

[frosty heron]

then move to 3D

[thin panther]

Tbh if you're at the level to consider that for a project you should be able to translate it fairly easily, at least the concept

[elfin abyss]

I already wrote a marching square script in python using pygame, so i'm familiar with it but i guess i lack experience in unreal engine to translate it there

[dark drum]

If i still have my project where I did something based on marching cubes, I'll share some bits to give you an idea. I'm not sure if it'll even load as it was made in UE4 which i no longer have installed lol

[thin panther]

That link above for GPU seems quite useful. Now I think about it, it seems great for compute shaders 🤔

[thin panther]

That's fair enough. You will likely be looking into the API for UDynamicMeshComponent, and UDynamicMeshes in general

But I would avoid BP for this one, you won't leave yourself room for much game, if you can even get it to run

Calling things from BP, like a C++ function such as "generate terrain" would be fine

[elfin abyss]

Thank you. I'll check that first and i'll avoid using BP but i wanted to start somewhere and BPs are easy to prototype even if it's on a smaller scale

[thin panther]

As long as the bulk of the generation code is c++, you leave yourself much more comfort, especially if your implementation isn't optimal :P

[dark drum]

The only issue I found was just not having access to another thread for performing calculations on. I wish it was an option in BP.

[thin panther]

Trying to translate that hell isn't going to be easy either, as well as trying to debug

[dark drum]

The math node is pretty good for this.

[thin panther]

If you're looking for a proper implementation I would also say it's worth looking into compute shaders. You could probably get away with doing the bulk of it in there, and taking advantage of the gpus huge number of cores

Hmmm. A fair point. I just can't imagine what else that Nvidia link could be talking about

[frosty heron]

Are inputs consumed when playing sequencer?

my UI can't seems to detect any input

[dark drum]

It's been a while since I read the article but I don't think its about using a compute shader but using the GPU to generate the actual density data using in marching cubes.

[dark drum]

I think there's a toggle on the sequencer (the thing in the level) that can change if inputs are blocked.

[thin panther]

Ah that makes sense

[dark drum]

I am surprised there isn't a 3d perlin noise node in BP though. (i think there's a material one though) Probably to discourage crazy decisions like doing complex terrain generation in BP lol.

[elfin abyss]

Thanks for the tips guys, much appreciated

[narrow pawn]

**anyone **got a rescource for how I can dynamically change my widget GUI, based on player interaction?

for example add a new icon for a building as well as keeping them in a chronological list
PLEASE❤️

[steady night]

is this not how u blend pose with upper body ?

the layer blend has "spine_01" setup but the default slot ?

i wanna play montages with top body only

[frosty heron]

Change the default slot to Upper body Slot

then for the source u want ur cached pose

Then after the layered blend per node, U also want another slot for full body montage

[wicked cairn]

Hihi!! How would I go about getting a Box Trace of the Player's Screen with a Forward Vector Distance of 5000? It should appear like a cone in a rectangle shape. I think I might have the right Idea, but I'm unsure how to put the pieces together

[dark drum]

You'd need to be a little more specific.

[narrow pawn]

I have made a figma, is it allowed to share here?

[dark drum]

What are you trying to do?

[dark drum]

Just share a screenshot. 🙂

[wicked cairn]

Trying to get a trace of actors in the player's current view

This is what i've got!

[frosty heron]

That's pretty easy

[dark drum]

What for?

[frosty heron]

u just create new widget (icon) and add it to the child of the horizontal box

how you want to sort it, would depend on the rule you defined

[narrow pawn]

so I have to place them in a horizontal box, aight thank you <3

[frosty heron]

depending on the design but that looks like it

Is there even a point to this? I mean I still end up with a hard ref, so I will probably load the Widget Class all the same

[narrow pawn]

order doesn't matter for now, I bet I can sort them later

[frosty heron]

then it's just a few node

create widget -> Add Child to Horizontal box

done

[wicked cairn]

Trying to get an AI to detect when a player is looking at them by grabbing the players screenspace origin and adding a "view distance" of about 5000, I'm gonna grab the hit results to let teh AI know they're being looked at or can be seen by the player, just kinda like a cone shaped trace

[steady night]

@frosty heron hm ok but how do i get "upper body slot" ?

[frosty heron]

the same way u place that default slot but just change the slot to upper body

if u haven't got one, make one

[wicked cairn]

poor image LOL

[steady night]

oh

[dark drum]

Assuming I've read it right, the soft ref can be children of the class so if the base is light weight it would prevent it forcing children to be loaded.

If the base is always going to be loaded then it's probably not needed.

[frosty heron]

not entirely correct

u want full body slot before the output pose

and that's it, u are done

[dark drum]

If it's AI, have them check if they've recently been rendered. 'WasRecentlyRendered'

[steady night]

ah okey , how do i choose with slot the montage should use or whatever

[frosty heron]

Im not following, can u be more descriptive?

If I understand the question right

In the Montage you can set the slot to play

[steady night]

aha

where :/

[wicked cairn]

How would I do this with multiple players? Like how would I grab if an individual player is looking at the AI?

[frosty heron]

beside the timeline

look around

[steady night]

oh

found it

but when i change to that slot then it just T-poses :/ ?

[frosty heron]

Just some bug

refresh it by opening other anim asset

then re-opening it

re-open the montage*

[steady night]

aye

thanks ty

[dark drum]

Ahh for multiplayer you might need to get all the players and check their look at rotation (from the player to the AI) and compare it to the players actual rotation. If it's within range then the player is looking in the general direction of the AI.

[wicked cairn]

Hrrmm I will see what I can do then! thank you for your help!

[dark drum]

Drag the animation, when you release it sorts itself out lol.

[frosty heron]

anything AI related prob should be done on the server

if everyone doing the check, each machine may produce different result

Server hold the truth anyway so just do the check on server

if the AI (In the server) sees the player, then just inform clients that specific character is seen

[narrow pawn]

smh the box kills the UI

supposed to look like this

[frosty heron]

Work your way forward. Check the dimension, fills etc

[narrow pawn]

nothing seems to work

[wicked cairn]

So, I'm trying to use a Decorator for the AI that gets the "Was Actor Recently Rendered" since getting a trace for the player's look at rotation is probably expensive, but I'm noticing that the clients dont even get considered when the AI is being looked at. Like the function only works for the server :(

I'll have to figure out how to alter the function or make my own i'm unsure.

[mental trellis]

"WasRecentlyRendered"

[wicked cairn]

yeah ill probably have to move this to cpp

[spark steppe]

shouldn't AI logic run only on the server anyways!?

[wicked cairn]

Right?? im confused

[dark drum]

Yea 'Was Actor Recently Rendered' would only work client side, thats why I gave you the other method with you mentioning multiplayer.

[spark steppe]

also people claimed that WasRecentlyIsRendered() behaves unexpected sometimes

[mental trellis]

Depends if it's mp or not.

[dark drum]

As far as I'm aware the server wouldn't know if it was recently rendered for all players. You'll need to get all the players and check their look at rotation (from the player to the AI) and compare it to the players actual rotation. If it's within range then the player is looking in the general direction of the AI.

[mental trellis]

The simplest solution is just to check the angle between camera->forward and camera->ai

Even if you don't render it, you should still know where the player is looking.

[wicked cairn]

Would this work for screen space? I want all of the AI to respond if the player is being viewed on the screen

[narrow pawn]

ok, I figured out the allignment

[mental trellis]

You can check horizontal fov and vertical fov and compare the individual axes/angles. Or convert the actor's centre location to screenspace and see if it's anywhere useful.

That'll fail horribly if they are too close, though (both of them)

[narrow pawn]

how do I let one widget create additional widget for another widget though?

that is one hell of a sentence

[spark steppe]

that still ignores walls, etc.

[mental trellis]

Line trace

[spark steppe]

just use ai sensing/perception?!

[dark drum]

They want to know when the player is looking at the AI. (as apposed to if the AI is looking at the player) Can you use AI sensing on the player character?

[spark steppe]

it also has the whole cone check logic built in

[wicked cairn]

If the AI Perception component works on the player i'll definitely try using that instead

WAIT

oh my god i forgot the Pawn Sensing component exists...

🤦‍♀️

[spark steppe]

wait, one of them is the old (eventually deprecated!?) one

[wicked cairn]

oh