blueprint

[trim pollen]

Which part of the code isn't functioning as expected

[raven pilot]

yea so that code is my attack animation

[trim pollen]

Your question isn't about the animation, it's about how to check which attack hit a character

[raven pilot]

its more so i dont know how to make an enemy reaction to that animation

[raven pilot]

yea

thats the attack

[trim pollen]

You told me it was the opposite

[spark steppe]

so you don't really know yet when the attack did hit anything?

[raven pilot]

hmm, sorry, maybe misunderstanding, i meant how to make enemy react when they overlap or get hit with that animation

[raven pilot]

not yet, am guessing i need to line trace or something like that

[spark steppe]

that depends on what would cause the hit to succeed

is it the collision with gaia, or the collision with one of those waterballs that you spawn?

[raven pilot]

its collision

or waterball

but collision would be better to learn

so i prefer that

[spark steppe]

collision should fire an hit event on both characters when everything is set up properly

either on the capsule or the skeletal mesh component

so right click the one which handles your character collision in the blueprint hierarchy, and theres an add event entry in the context menue

[hushed cobalt]

This is dumb, but how do I get the Comment bubble to show on my comments

[raven pilot]

press c when nodes are selected and then in the options when u click comment, there should be a option to show bubble, hopefully am correct

[raven pilot]

kay let me try

[hushed cobalt]

So the C made the comment, yea, but I don't see the option for the bubble 😅

[raven pilot]

got this node

[hushed cobalt]

NVM I'm dumb, it was under the details pane

[raven pilot]

when u left click bubble, it should show this on right corner

[raven pilot]

lol yea

[hushed cobalt]

lmao yea, I found it

[static cipher]

Hey I wanted to ask a kind of general question but one I dont quite get yet. Pretty new to object oriented languages/coding in general but I think I get the general concept of using event dispatchers to make it so that you can tell multiple actors/objects/etc what to do when x thing happens in a clean manner.

My question is, is there anything logically/theory wise I should consider before making something an event dispatcher or not? I get "if you need multiple actors to call something" but wondering if there's a more in depth answer.

[slender sky]

Based on what I've seen implemented in various systems so far, the event concept are mostly used to facilitate async communication/data transfer.

Simplistically, more or less use events if you're not sure whether the result of an action can be provided within the return value of the next function call that you'll be making.
The actual implementation on when to use events depends on each case though.

[static cipher]

Ah right that makes sense

[raven pilot]

@spark steppe do i make like a "is animating" boolean

[static cipher]

I suppose that last part is exactly what I'm a bit worried about lol. There's one end of making everything an event dispatcher which is probably unnecessarily and then vise versa

but I suppose it also probably comes with a bit of time/experience to figure out exactly when that is too

[slender sky]

Best practice on how/when to use events is a rather relative thing, time and experience might help you figure out what's best to do for each case and scenario.
I suggest you just try and see what works best for you and polish things as you go.

[static cipher]

Awesome, thank you :)

[mossy jolt]

Is it possible to store values in a BP then use a BP class reference to get those values ?

[tight schooner]

I would look into data assets

[mossy jolt]

Mh i would still need a link between the BP class and the datas

[tight schooner]

Basically it's hard to interact with BP classes without spawning an instance of that class into the game world

The benefit of a data asset class (a little tricky to set up in BP but can be done) is you don't need to spawn it

[mossy jolt]

I can't have something like c++ to get the CDO ?

[tight schooner]

Downside is you can't write anything into it

It's a stone cold asset

Mathew Wadstein has a vid on YT on how to make a data asset class purely in BP

[mossy jolt]

Well if i have to handle an ID system manually i will make it in c++ i think, but i don't really like the design

[tight schooner]

Maybe I misread what you're asking for. You said class reference which is different than an object reference which means you want data from something that isn't spawned into the game world

If you need to write to such a thing... I'm not sure what all the options are. Savegame files for one...

[mossy jolt]

This is the default values, i would like to get those values, i can get them with the CDO in C++ i'm looking a way to do it in BP

[desert juniper]

GetDefaultValues?

that will get the default values of the class without needing an instance of the actor/item/object

[tight schooner]

Yeah, I was about to say. Didn't know if you needed to spawn it

[desert juniper]

sorry. it's Get Class Defaults

[mossy jolt]

Is that a node ? can't find it

oh

Perfect, thanks !

[raven pilot]

any advice on how to program simple crowd control on enemy like a knockdown?

[tight schooner]

@static cipher I suppose one way to think about event dispatchers vs other methods of "blueprint communication" is how you want to manage dependency relationships. When a BP class binds to a dispatcher, it necessarily needs a class specific object reference to the thing it's binding to. There are lots of other ways for BPs to communicate and you should look into all the options (casting, BPI, BP components) before making everything a dispatcher.

[static cipher]

Ah okay Ill make sure to do that then

[tight schooner]

Oh and class hierarchies. Casting to a parent class to talk to child classes is also a form of interface. Gotta know about those.

[static cipher]

Ah parent class make a little more sense to me actually

this is very good stuff thank you

[junior hedge]

whys it not working

input is on so dw about that

[raven pilot]

is that walk animation?

[junior hedge]

its a sprite moving to the left

[raven pilot]

Advice, should i set trace responses to overlap or block?

[raven pilot]

oh, cant help sadly, haha very unique using sprites in ue

[junior hedge]

i wanted to mess around trying to create a 2d game

[raven pilot]

nice

[junior hedge]

how do I fix

[mental trellis]

It says how to fix it right in the error message

[junior hedge]

How do I set it to movable?

I wasn't born yesterday

[mental trellis]

Is it something you've placed in via the editor?

[junior hedge]

ye

viewport

bp

[mental trellis]

This should have been your question then!

[mental trellis]

Click on it, it'll be in the details panel. Just below the transform.

[junior hedge]

thank you

[plucky trellis]

I've got a question:
When playing a Level Sequence as a cutscene, what is the best practice for accepting an input to skip the cutscene? What object would it be attached to?

Right now, most of the level sequences are created & played from the level blueprint.

Thanks for any help.

[mental trellis]

I guess you'd use a player controller?

[plucky trellis]

Where would it be scripted? On the level blueprint? On the level sequence events?

[mental trellis]

Honestly using the level bp isn't a great idea. It's fairly insular.

[plucky trellis]

The button to skip would be "interact," used for many other activities in the game. When the cutscene is playing, I want interact to skip to the end and stop.

Ok what would you recommend?

[mental trellis]

I'm not sure if oyu need to change it or not.

Can you access the level sequence outside of the level bp?!

[plucky trellis]

I'm sure it's possible to do so. I currently have not tried.

[mental trellis]

Well you have 3 options. Either you access the level sequence outside the level bp, see if you can accept input inside your level bp or set up a link between the level sequence and the player's player controller from inside the level bp.

[plucky trellis]

Which would you recommend?

[mental trellis]

I'd try #2 first. It seems the easiest to test and the one most likely to fail.

[plucky trellis]

Perfect. Will do. Thank you for your prompt responses @mental trellis !

[pearl zenith]

@here Hey guys, i'm having some issues setting lighting channels in my character BP, I just have a point light I want to affect the scene but not the skeletal mesh. It works in editor but on begin play doesn't work at all. I've tried setting the lighting channel in the bp itself but no luck either...any ideas?

[fast thistle]

I wonder where that expression came about

[desert juniper]

from people born the day before yesterday

[junior hedge]

i am being honest 😅

[mental trellis]

Any luck?

[plucky trellis]

I am going to work on it tomorrow. I was fixing many things today and this was just one on my very large list of changes needed.

[faint pasture]

Get world location will be updated as you move

You want to store original location to a variable before firing off the timeline

[junior hedge]

("Heart Location")

i got it tho so its fine'

[faint pasture]

I mean Paper Sprite

You're moving it, so its location for the lerp will be different every time the timeline update fires

[junior hedge]

look at the event tick, is that not what you mean?

[faint pasture]

Your whole setup is giga fucked, what are you trying to do, move PaperSprite to HeartLocation over time when Move is called?

[junior hedge]

HeartLocation = PaperSpriteWorldLocation

They are the same thing

[faint pasture]

I'm suprised your timeline does anything close to what you want. You are lerping A from A to A+20.

Do you see how every tick, your start location is moving?

[junior hedge]

I modified it to my liking and changed the timeline for .1

works perfectly as intended

[faint pasture]

So every frame, you just lerp more of your +20, and you're framerate dependent. Just do it like this

Nothing on tick

Move -> Store StartingLocation -> Timeline -> Lerp from StartingLocation to TargetLocation (or from StartingLocation to StartingLocation +20 or whatever)

Done

[faint pasture]

Now try it at a different framerate

[junior hedge]

well yeah

[faint pasture]

It'll go a different distance

[junior hedge]

it only works at 30fps (I capped it)

[faint pasture]

Just fix it, that's super borked

[junior hedge]

how would i

[faint pasture]

#blueprint message

What is HeartLocation meant to be, the current location or the target location?

Or is target location always X distance forward?

[junior hedge]

current

[junior hedge]

if I set it to move keybind then it will only work once

[faint pasture]

So when you press move, how far in what direction do you want it to go?

[junior hedge]

I want it to work constantly if the mouse is down

its a movement thing

[faint pasture]

Then don't use a timeline

[junior hedge]

ASWD

[junior hedge]

I couldnt get it to work but that's maybe because I couldnt get the heart to move

was on stationary

[faint pasture]

What is the heart? This is a super confusing setup.

[junior hedge]

the PaperSprite

[faint pasture]

Show the actor BP outline

[junior hedge]

this?

[faint pasture]

K so just do this on tick

Tick -> Make some MovementVector from input -> Position = Position + MovementVector x Speed x DeltaSeconds

Done

That's the simplest movement code possible really

Now if you want collisions etc that's another matter, I'd just use some movement component for that so you don't go reinventing the wheel.

[cedar sparrow]

Did unreal 5 add any support for loading screens that are blueprint only?

[gentle urchin]

A simple trace should suffice^^

Grid based movement often seem paired with turn based, if so, then a few more steps would have to be made

[grand bison]

If you're using a struct to save some information in a blueprint, how would you go about checking whether or not that struct has actually been set with a value? Would it be correct to just break it and check if one of the values that should be set isn't, or is there a different way of going about it?

[trim matrix]

How do you extract info from a struct?

I have an array of structs inside of a struct and im trying to get to info within that array

[mental trellis]

Get an index from the array and then break teh struct

Or just split the pin on the get node.

[gentle urchin]

Yeah sounds fair. If you're uncertain of what a value should be to prove its been setz you could add a bool for this very purpose

[trim matrix]

It isnt letting me break it anymore

im trying to get the NPCinfoarray

[gentle urchin]

Get

Then break

You must specify which index you wanna read

[trim matrix]

Thank you

[trim matrix]

did a ForEachLoop with all the agents of class 'NPC' and plugged the index to that

[trim matrix]

It says it's accessing none even though on save it's supposed to save the naems of the NPCs into display names?

Yeah it's not saving into the Display Names variable, i dont understand

[faint pasture]

It's help if your code didn't look like the timeline to Primer.

Make it straightforward instead of pulling values that probably don't exist at the time from all over the place.

[trim matrix]

how do i save the name into the name slot for the array

[faint pasture]

You just put a name in there but that's the least of your problems. Look at your execution, you're making an array of one struct, who's name value will be .... What exactly? The for each node doesn't even do anything

[trim matrix]

For each loop is for each actor that belongs to NPC class

[faint pasture]

The for each doesn't execute anything

[trim matrix]

'fixed' it

[faint pasture]

That's still borked. When that big ass set node is hit, you won't have a valid name

Break this up, make a variable for each field in your save game struct, populate them all separately, and then make the savegame struct at the very end and save.

[trim matrix]

break it up how? its already broken up, and using the 'get' function wont let me set anything in the get options

[faint pasture]

1. Loop over NPCs, adding their info to the arrays.
2. Plug the resulting arrays into your savegame struct
3. Save game

Add being the key word here

An array has multiple entries

[feral cairn]

dont understand why this is not working ;/ am i doing sothing wrong i assigned this to left ctrl

[faint pasture]

How do you know it's not working?

[feral cairn]

pressing this green arrow and testing

i even compiled it

[faint pasture]

What do you expect the crouching to do?

Is your anim bp set up to use crouch?

[feral cairn]

? look man i just followed a youtube tut im just trying to learn blue prints

[faint pasture]

By default crouching only modifies capsule size and movement stats. Search for crouch in the character and CMC properties

[feral cairn]

ok

[gentle urchin]

Isnt there a state to the cmc?

So at default, capsule size and statw would change?

[faint pasture]

Yeah but if that state isn't used for anything how would you tell.

[gentle urchin]

And youd usually make your animB graph transition to crouch based on the state

[faint pasture]

Idk if default crouched state is anything different from not crouched

That's why I asked how they knew it wasn't working. It probably is working, and doing nothing

[gentle urchin]

Yeah true

[feral cairn]

any ways after i get crouch working ;/ im going to try attempt pickup mechanics ;/ not sure if good idea but meh il tr

try

[gentle urchin]

Its a place to start atleast

[faint pasture]

Good idea but make sure you understand everything you're doing and not just going through the motions.

[gentle urchin]

This is the key ^

[feral cairn]

where do i find the information? i dont wanna keep looking at youtube

[gentle urchin]

Break it, fix it, understand it

[faint pasture]

Depends on how much programming you already know

[feral cairn]

i only know python, java and basic website coding

[faint pasture]

Oh then you're fine just do it

Make a bp actor class that launches any character that overlaps it. If you're totally new read up on what an actor, pawn, character, component, controller are

[feral cairn]

what bp stand for? XD

[faint pasture]

Just searching for nodes in BP will get you most of the way there. It's context sensitive so just drag off a thing and search for what you can do with that thing

BP = Blueprint.

[feral cairn]

ah ok

my first though should i learn c++ or blue prints but i think this be first step

[faint pasture]

BP for sure. Don't touch the c++ until you're comfy with them. Won't take long if you know your general programming.

[feral cairn]

fair enough

might take longer because i got learning difficulties but im trying to supass it

[faint pasture]

You can do plenty with BP only.

[feral cairn]

what if i wanna make a escape room game... 🙂

i wanna make a horror escape room

[faint pasture]

Easy

Minecraft, Factorio, Unreal Tournament, that stuff is c++ land.

[feral cairn]

emmm im sure minecraft is java

[faint pasture]

I mean the tech

[feral cairn]

well when notch made it

ah ok

[faint pasture]

You wouldn't want to try doing voxels/blocks in BP

[feral cairn]

well i know if i wanna make my game multiplayer im sure thats C++ aswell

[faint pasture]

Yeah but learn to crawl before trying to sprint.

[feral cairn]

sprint easy

i already done that

jk jk this is all youtube

[faint pasture]

Single player that's fine. In MP a sprint is way more complex due to prediction

[feral cairn]

ahhhh

[faint pasture]

MP is 5x the work minimum of say, but it depends on your design.

[feral cairn]

also more pricier aswell :/ if im correct

[faint pasture]

Idk, price your game how you want. But that's a long ways off. Start with making something happen.

[feral cairn]

ok il start trying the pick up

and drop

[sinful marlin]

I have a notification system video link if you would want to add that

[feral cairn]

O.o

[faint pasture]

Just strugglebus through it on your own first

[feral cairn]

ok

this is my starting point ;l

[sinful marlin]

Whoop whoop!

[feral cairn]

i actually got crouch working ;3

[trim matrix]

Hi everyone! is there a node in BP to fire an event when materials finished rebuilding?

[tame pecan]

no

[chrome fractal]

How can I make mannequin stay on ground without capsule colision.?

[mental trellis]

Random Bool will be either true or false, 0 or 1.

Random does not mean 50% 1 50% 0

You realise that, right?

Chance not guarantee

It will tend to 50% the more it happens

It will not start at 50%

Show code. I'm not sure I trust what you're saying after you talked about random bool in the same sentence as integer select.

Just why

Nevermind.

[fast thistle]

i have a problem , when my actor respawns , my stamina bar, empties and stops working , any ideas

[thorny cipher]

You mean as in widget?

[fast thistle]

this also comes up

yes @thorny cipher

[thorny cipher]

Show the stamina progress bar bind function

[fast thistle]

ok

any ideas

[thorny cipher]

You sure the stamina is always 100 after the respawn?

[fast thistle]

yea stamina values work correctly, just the bar not working

the bar goes empty,

[mental trellis]

Is your char ref set correctly?

[fast thistle]

it works correctly when i remove destroy actor , in the above picture

when i do that , i basically disable the respawn system

my stamina bar

[mental trellis]

And if you respawn, that doesn't get reset to the new character, right?

Why not bind it to the player controller (which won't change) and do player controller -> get pawn -> cast to your character type -> get stamina

[fast thistle]

yea

[fast thistle]

is it a efficient method ?

[mental trellis]

It really doesn't matter.

[fast thistle]

ok

any ideas , what to do about this ?

[mental trellis]

^ this is the cause

[fast thistle]

sorry, for stupid questions, still new

[fast thistle]

thxs

[mental trellis]

It's cool!

[fast thistle]

By any chance do you know how i can rig the stamina to go down , when i swing a weapon

ill be back, im going to try this

[mental trellis]

You would need to hook that up in your attack event.

[last briar]

can somebody help me with this blueprint vaulting script?

[fast thistle]

what is vaulting?

[mental trellis]

This is why I don't like BP

[undone surge]

is there a way to get my character to climb steeper surfaces?

how do i get my character to*

[lyric onyx]

Hi everyone, I have a problem involving parent-children actors.
I have created my parent actor, and leaving the Default Scene Root on it, then I created my Child, and I added a Cube on it, but when I'm moving the Cube, it leaves behind the Default Scene Component at the place where the Cube was, causing my code based on its location wrong. I'd like to attach this Cube as my new Default Scene Root but I cannot because it's a Child Component, do you know a way to attach it as the new Root? Or is there a way to force the Default Scene Root to follow its Children components?

[tawdry surge]

Why not just move the default scene root instead

Or the actor as a whole

[lyric onyx]

How do I do to move the whole actor?

[tawdry surge]

Set actor location

Moving the default scene root does the same thing

[lyric onyx]

Yes but when I grab my cube, the Default Scene Root stays where it is

[tawdry surge]

Because the cube is patented to the root, not the other way around.. move the root, everything else moves too

Btw set world location and set actor location are different nodes

[lyric onyx]

Ok but how do I Simulate Physics on the actor itself? If I enable Physics on the Cube, it will move when I kick on it but it leaves the Root behind, and if I disable Physics, the component does not move anymore

[mental trellis]

Have you tried using a static mesh actor which has its static mesh as the root component?

Reparent your first BP to static mesh actor and your default scene root will disappear.

[lyric onyx]

I can create a static mesh on the parent and set it as the root, but if I want to create multiples shapes (not only cubes), how do I do for the future children?

e.g all children will be created with a Cube Root

[mental trellis]

You can set the static mesh on the component on child classes

[lyric onyx]

Yes, I tried it, but if I do that, the shape will not be centred, as shown on the picture (Box Collision is the center of the actor and SM the inherited component)

[dreamy yacht]

Hi, for several days I have been thinking for days about function, which will add a cooldown of 8 seconds at the game start before the proper function can be activated

but after those 8 seconds ( at the beginning of game ) this proper function should be fired immediately

like on this graph

I don't have to add, that delay is not a way to go, because it will add 8 sec cooldown before each "fire"

[lyric onyx]

Did you try using a "Do Once" node?

I didn't fully understand your problem, should the function fire at every tick after 8s? In any case, I think the "Do Once" may be the solution

[dreamy yacht]

let me clarify

it's about arcade racer

at the game beginning there is a camera thingy and countdown all in total of 8 seconds

I have several custom functions including player force respawn ( triggered by the player with enter key )

and I want to set custom delays for each of custom funcions to prevent player from using them

and after let's say the race starts

player is allowed to use them

this is the countdown

https://youtu.be/4xM0hglx_Pw?t=14

[mental trellis]

At the start of each function: if !RaceStarted return

[dreamy yacht]

create boolean ?

[mental trellis]

The race started bit is whatever you want it to be.

A bool. A function. Whatever.

[dreamy yacht]

thanks

looks like it's working

( from event begin play )

[tawdry surge]

@lyric onyx that depends completely on the pivot point of the mesh. If you make sure all your shapes' pivots are either center mass or center bottom then they'll line up fine

[lyric onyx]

How do I do that? Does that mean I have to place manually the Static Mesh at the center of the actor?

(But yes, set the pivot point at the center of the actor is the solution)

[tawdry surge]

It's how it was exported from the dcc it was made in.
If you export to blender, set the mesh center at the world origin and export back to unreal, it'll be set to the center of the mesh

[normal dew]

morning all. following this tutorial on sprinting/regen but i dont want an overlay on screen and would rather use audio cues https://www.youtube.com/watch?v=seGQy-GBfhY&ab_channel=MattAspland. anyone have an "audio tutorial" for that part of the blueprint? sorry if this is in the wrong channel

[lyric onyx]

I don't have nor know how to use Blender

[tawdry surge]

Its free and it'll take 10 mins of youtube videos to learn how to import, move, and export a mesh

[queen sequoia]

Hey I have a question, I want to make my mesh somewhat see through and a different mesh more visible like this, does anyone know how id go about that

[slim grove]

im trying to cross compile for linux and i installed the SDK but it still says its unsuppourted but it shows the linux penguin on it

[gentle urchin]

Thats more a #graphics question, done with materials really

[queen sequoia]

Oh ok, my bad

[blazing pollen]

guys does anyone know the Auto scalability command ?

[drifting cipher]

Hey guys, what's the right collision setup for trigger volumes on actors? I assume there's the right way to set things up so that two trigger volumes don't detect each other but generate overlap events for all the other actors along a particular channel

[blazing pollen]

explain with example

[spark steppe]

overlap with pawn and ignore everything else?

[drifting cipher]

Oh yeah it's kinda basic but like - I got a projectile with particular logic I'd like to execute on other projectiles of the same class when they enter a "proximity volume" of sorts. but I don't want that proximity volume itself to generate overlap events on the same volume of the other actor, only on the dedicated, smaller collision body in it that hugs the mesh.

So basically I want the volume to "see" other actors but not be "seen" itself if it makes sense. To query other collision bodies but itself not respond to queries. I got tangled up with my understanding of how profiles, channels, responses etc. work and it'd be sweet if you could spoonfeed me just this once, I think it'll make sense from that point on

I normally use shape sweeps for that kinda thing, but this use case is continuous, on a lots of actors existing in the same level all the time, and I only really need to know when an actor enters and leaves said volume. I assumed that it'd be smarter for me to use a collision volume for this specific thing

[dreamy yacht]

Hi, I am trying to re-write my AI car respawn logic

but I cannot figure out how to count 5 seconds while car is stuck ( moving with speed under 10kph ) can somebody help ?

[drifting cipher]

Really I think the best example is that I'm trying to achieve the same thing as a shape sweep every frame, so that the collision volume itself does not trigger events in other actors

im just trying to do it the "proper" way ig

[dreamy yacht]

I need to get the info somehow, that 5 seconds have passed

[gentle urchin]

Start a timer

If speed is < treshold

Reset if above

[dreamy yacht]

could I ask wich specific "timer" function ?

*which to pick

[gentle urchin]

Whichever you want

I tend to use timer by function, iirc

I dont like typing the name manually 😄

Then save the return value (timer handle) and use that to clear and invalidate it if above treshold

On below, first check if the handle is validz and if so, do nothing

[remote meteor]

GetGameUserSettings()->RunHardwareBenchmark()
GetGameUserSettings()->ApplyBenchmarkResult()

i dont think there is a command line syntax for it though.

[junior hedge]

with blueprints how to give the opposite value (C++ !value) 9000--> -9000 | True ---> False

[fast finch]

depends on what this is

but generally

knowing my algebra calculus

multiplay by -1

reverses everything

especially positive values

[junior hedge]

what about the boolean

[fast finch]

you want to check if a value is below 0 or above?

do a less

[junior hedge]

?

[fast finch]

is float less 0

is integer less 0

it can be either less 0

or greater

9000 is greater

-9000 is less

thereby negative.

[junior hedge]

2 negatives make a positive

-9000 x -1 = 9000

what's your point

[fast finch]

i dont know what your point is XD

one method makes a value either negative or positive

the other method checks if a value is negative or positive

[junior hedge]

I asked what about the boolean

if there was a simple way to do it

Other than a branch method

[fast finch]

ok youre not explaining it good enough then haha

if you dont want to use a condition then you could try a select

[junior hedge]

alright

[ancient stag]

Hello! Does somebody have an idea what would be the best way to get all names in an array and set them in a text box?
Like this:
Map1
Map2
Map3

I've tried using a for each loop, but with the node format text it replaces that one variable each time (obviously). So I'm not sure how to go about this... 🤔

[fast finch]

youre plugin an array into a single

[ancient stag]

(image is just for context, I understand that arrays are not supported)

[fast finch]

you need to get an array element first

drag

and write get

either copy or ref

doesnt matter for reading

[ancient stag]

Yeah, that's what I wrote in my message. Using a for each loop I could get each array element. But I don't need just one, I'd like to have all of them in the text box.

Format Text is probably not the best way to go about it.

[fast finch]

ah

there might be a node to combine all array entries

maybe via string convert

[ancient stag]

Thank you. Converting them to strings I was able to join the entries together. 🙂

[raven pilot]

seeking help, how can i apply a knockdown animation to enemy, when my animation overlaps/collides with another actor

[remote meteor]

use a NOT for boolean..

[blazing pollen]

i think there is but i can not find it, someone was asking the same question on Epic questions site and he found it but did not add the command line

[trim matrix]

is there a way to make a sphertrace by channel move along my camera?

[thin panther]

Project the end location from the cameras forward vector * the distance you want it to go in cm

[raven pilot]

kay will try

[trim matrix]

i've done that but i can't rotate it

[thin panther]

You want it to cinstantly move in camera direction?

[trim matrix]

ye and i don't to do that with the event tick

[thin panther]

Well ur gonna have to

Cause thats tick based behaviour

[faint pasture]

How do you propose it works then?

[thin panther]

You cant do somethinf every tick without... doing it every tick

[faint pasture]

NOT

[trim matrix]

here's my blueprint
how in the world im gonna use the event tick here

[faint pasture]

https://c.tenor.com/AY0QYWnm4jgAAAAM/american-psycho-willem-dafoe.gif

[thin panther]

Generate the trace based if a boolean is true or false on tick, in that code there set the boolean to to true or false

So instead of having the speher trace there tgat just sets a bool to true

[trim matrix]

im gonna try that

[junior hedge]

?

[faint pasture]

True = NOT(False)

the not node

not is the negation operator for booleans

it has an exclamation mark
True = !False

False = !True

[junior hedge]

yeah that works thx

[visual granite]

Hey I want to make a simple following logic and for that I've used one enum that tells the AI that it is in following state and one boolean that tells the AI whether he should keep following the target depending on distance

I have a problem that even when I clear the blackboard value keep following it still goes to Move To node

What is the reason for that?

[trim matrix]

https://blueprintue.com/blueprint/ia6j8qd3/ I made a BP that whenever I press the save button, the game will get all actors of class 'NPC' and do try for each loop for every NPC it finds and make a struct and add the arrays into my save game struct, problem is it only saves the name of the first index for some reason and thats it. what's wrong here?

Oh nvm i fixed it

Fixed version

[remote meteor]

you need to use a selector, not a sequence

[visual granite]

Thanks

Just used it

And it indeed changes

but like after few seconds after the value is cleared

the tick is every 0.4 to 0.6 secs

[jolly island]

Hello, any ideas why the variables in my struct keep resetting to default after I restart the editor?

[faint pasture]

Show it

Variables in struct in what?

[jolly island]

Nevermind, for some reason it seems to work now. It was probably my fault somehow. Anyway, thank you for answering.

[trim matrix]

Having this strange bug where when I hit save after a save game exists, all the saved values of the NPCs except for their name seems to be broken

[fallen glade]

is it possible to get a random point on mesh collision in blueprint?

[trim matrix]

I put delete save game slot 1 if a save game already exists in slot 1, then just save it normally, but that doesnt work

works fine for the first save but totally breaks after

[plucky trellis]

In the level blueprint, I setup interact as seen in the image below. I then modified each level sequence to assign to "current_cutscene" and then play.

I used the "On Stop" event for all events to be triggered upon sequence completion.

All other uses of "interact" are kept within respective blueprints, and input enabled and disabled as needed.

Not sure if it's the most ideal, but it's working! Thanks for the help.

[mental trellis]

No worries.

I so didn't expect input to work in the level bp!

[trim matrix]

Hi everyone! do you know how to end a game? is there a node?

[cedar sparrow]

can function libraries be accessed from any blueprint?

[cedar sparrow]

you mean like quit?

[trim matrix]

yes!

[cedar sparrow]

yeah there's a node called quit game

that's connected to a button on my widget blueprint

[trim matrix]

thank you!!

[trim matrix]

You can create a blueprint function library.

[cedar sparrow]

Yeah i have one, im just wondering if there are any blueprints that could never access it?

[spark steppe]

it can get tricky on widget blueprints iirc

[trim matrix]

Uobjects can’t

[cedar sparrow]

ok ill keep that in mind

[spark steppe]

and using them on save game objects kinda works, but throws warnings

so probably not a good practice either

[thorny rover]

Hi!!! Is it somehow possible to get a Texture2D object from Material Instance preview image?

or somehow Material Instance in a Texture2D format, perhaps projected on a cube or rectangle

[faint pasture]

You can render a material to a render target

Depends on what your'e trying to do tho

[thorny rover]

i'd like to generate thumbnails for variant manager, and one option is to set thumbnails from texture.

and i have a reference to the material instance, but turns out there is no texture2D to reference it to.. i'll look into render target but not sure if that's it..

[raven pilot]

@remote meteor haha am struggling with writing the non boolean code for what am trying to do

[waxen rose]

What is the correct node to make a cast for a blueprint class widget

[thorny rover]

is it possible to get texture2D out of render target? or do you suggest by rendering a material to a render target get texture from the result material?

[dusty mulch]

Hello, guys

what are these ?

this is a fresh repo, i just created and character, a controller and a bt with a blackboard

[mental trellis]

That's the external map actors.

I forget what it's called.

Basically the actors in your level are saved externally to help with multi-user editing.

[dusty mulch]

So should I commit them ?

[mental trellis]

Yes.

If you don't, your level won't work properly for other people.

[dusty mulch]

Ok, thank you

[raven pilot]

@mental trellis do you know how i can make it so when my character hits another character during that animation, that the enemy will play a certain animation (a knock down animation)

[mental trellis]

You'd probably use regular collision events?

Maybe overlap?

[raven pilot]

yea but idk how

if objects, i can just create a blueprint class

but idk how to do with animations

[mental trellis]

If its animating, does it move? Like the collision capsule?

[raven pilot]

yea

[mental trellis]

Then you should just be able to use regular collision.

[raven pilot]

how would i write that?

(am still new to coding)

this was my attempt

[dusty mulch]

I think u should use events

i did it from c++,

they are called onspherebeginoverlap or something like that

and that is where you write the code for the anim montage

[raven pilot]

i used custom event in second coode

[dusty mulch]

Game Dance ?

[raven pilot]

and input key starts the animation

[raven pilot]

yes

[dusty mulch]

When is it called ? I think the collision capsule has custom events

[raven pilot]

when i press shift q

[dusty mulch]

Ok, I understand now

[raven pilot]

[dusty mulch]

I'm a beginner, but it should work

[raven pilot]

k

haha yea am beginner to

[dusty mulch]

so the montage is not playing ?

[raven pilot]

yes

the knock down montage

this is the attack animation btw

https://cdn.discordapp.com/attachments/221798862938046464/991812515744993361/2022-06-28_23-50-12.mp4

[dusty mulch]

ok, put a print string just before the play anim montage

see if it gets there

[raven pilot]

k

[raven pilot]

that good?

[dusty mulch]

yes

where did you get the Toff mesh from ? thats so cool

[raven pilot]

i paid someone to make it hahaha

[raven pilot]

yea its not printing

[dusty mulch]

did you use the correct slot ?

oh, if its not printing it doesnt matter

[raven pilot]

oh kay

[dusty mulch]

so then

[raven pilot]

lol yea idk what slot is

[dusty mulch]

:))

if its not working, when u fix the bug, its prob that

[dreamy yacht]

Hi, what's the fastest / easiest method to implement A.I. car braking in certain areas ? I have decided to place overlap volumes, but I am little confused about brake settings

I use cast to ( overlapping AI car ) and then I set the braking force to AI car, but the braking is not evident / apparent

I don't know if this is caused by too low brake torque value, or something else

[dreamy yacht]

I have set wheel long stiff value to 100 000

and the brake torque to 9 000 000

[raven pilot]

my cast to character is failing, any advice useful

[mental trellis]

The actor you hit isn't of that class.

[worthy jasper]

Print what it’s actually hitting

cause according to that you aren’t hitting what you think

[raven pilot]

@worthy jasper kay will do that

[echo mist]

Is there performance difference in using Foreach with array that could be empty rather than checking first if its empty so Foreach doesn't need to be executed?

[raven pilot]

is this how i can print name?

[mental trellis]

That's some over optimisation there, MrJay

[raven pilot]

@mental trellis @worthy jasper okay its working a lot better now, thanks!!!

[worthy jasper]

Of course 👍

[astral stratus]

@raven pilot love that Toph mesh

[raven pilot]

ayee thanks men

[faint pasture]

Nah

Probably slower on average actually, since you have 2 nodes when you could have 1

depends on average size of array but nah, totally not worth it.

[rapid robin]

Hey all, does anyone know if it's possible/how to write to CSV (or a text file) from blueprints? (UE5)

[desert juniper]

https://www.youtube.com/watch?v=nMy6H1o1zO0

oh you said write. sorry

[rapid robin]

Yup, thanks for the link, but yes, I'm interested in Exporting/writing data to CSV.

[desert juniper]

yeah, sorry. looked around for a minute and didn't find anything that was just a BP approach

[rapid robin]

Cool thanks. Yeah seems a bit trickier than just reading..

Might need to summon some C++ support by the looks of things? Unless any BP ninjas here know of a way?

[faint pasture]

Look up the LE Standard Library

But typically writing to arbitary files at runtime is a no-no for BP. Can be hacked together in C++ but that is a bit smelly TBH. What's the use case?

[rapid robin]

This won't be happening in normal gameplay. But I am creating a special map that takes a series of screenshots of various characters wearing varying bits of kit in different poses/backgrounds etc.
So what I'm after is I want to write some data somewhere that references each image and tells us what kit attributes/backgrounds/poses are set.

[faint pasture]

SaveGame?

Is this for design or is the end user doing this?

[rapid robin]

It's a one-off design thing only, so happy for it to be a bit hacky 🙂 Hmmm let me look into SaveGame...

I'm not sure if SaveGame is going to work, as I need external teams to be able to access the data (outside of the Engine)

I just had a browse through the nodes in the LE Standard Library on the Marketplace (some of which already seem super useful), but I'm not seeing anything specific to writing to (CSV/text) file. Is there a specific node you think would do it?

[faint pasture]

I'm pretty sure it can do JSON but you might have better luck doing what we're doing

We have a map for making stuff, it saves to a savegame

then we have an editor utiltiy to read savegame and write to a data table

you can export data table as csv

OR you can do some editor scripting but that is a PITA

[rapid robin]

you can export data table as csv
Oooh do you have any info on how to specifically do this step?

[faint pasture]

Just look up CSV/JSON stuff for Unreal though, there's prolly some free plugins

[faint pasture]

Just right click it

IDR the specifics but we used to just have it write/read to/from a spreadsheet

[rapid robin]

OK, that sounds like what I need. Will investigate further. Thanks!

[vestal holly]

are camera shakes exclusive or can have multiple of those running simultaneously?

[faint pasture]

I think it's a stack so yeah multiple

Just dont' go all Vlambeer

[vestal holly]

lmao, thanks

[fervent bramble]

How would I go about that? I recognize putting a spline on a camera might be the trick but I'm not sure how to have the camera move on the spline dependent on the characters distance from the camera

[faint pasture]

https://tenor.com/view/hamster-triggered-rage-shaking-gif-17789643
What it's like to play a Vlambeer game.

[trim matrix]

Are UGameInstanceSubsystems available for inheritance by blueprints?

[mental trellis]

If you tell it to be.

Make a c++ one that exposes it to BPs!

(if it isn't)

[trim matrix]

yep, it's an ultra simple class, I should be able to do this easily

[surreal peak]

You put a spline and a camera into your BP. OnTick of the actor you can calculate the distance between camera and character and use that to get a location along the spline. You can then use that location to position the camera

There is some math involved though

Depending on how your game works, you could place the spline on character height and put a spring arm between spline and camera@fervent bramble

And then just set the spring arm location to the nearest location on the spline (nearest to the character location)

But that's just theory

[dim tapir]

I am trying to make a simple heart based health system, where if I get hit I lose a heart. I found a guide online but for some reason I get errors that I don't understand. Any clue?

[burnt citrus]

I have a question
I think there is a website that can copy and paste blueprint nodes like Pastebin, but I forget the link
Does someone know?

[trim matrix]

this @burnt citrus

[burnt citrus]

Thank you!

[dusty mulch]

Heart 1, to 5 are attributes of the class ?

[gentle urchin]

This looks overly complicated

Well.. maybe not complicated but

Is it only full hearts or partial hearts aswell?

A progress bar with a looping heart icon based on the widget size would solve this nicely i think

[dim tapir]

Only full hearts, how do I set a looping heart icon?

[dim tapir]

I remade the whole thing and now it works, however it eats all my hearts when I take damage. Doesn't matter if it's 10 dmg or 50, it eats all anyway

[dusty mulch]

Show the blueprint that works

[dim tapir]

I imputed another, 6th, heart to test with and I notice that it gets black as well so it has nothing to do with my code it seems

[dusty mulch]

You are using a for loop

What is this doing here ?

[dim tapir]

I checked the second answer in this thread
https://forums.unrealengine.com/t/heart-based-health-system-that-is-not-based-on-the-legend-of-zelda/132658

[dusty mulch]

Also, what is health ? The input, how many hearts are left ?

[dim tapir]

Health on my player character

[dusty mulch]

I dont understand what that node does

But

[dim tapir]

I'm a complete beginner and have watched youtube tutorials so I don't really understand the code, only very basic

[dusty mulch]

What u can do is to try with only one heart, without the array, and the for loop, see if it works and go from there

[dense furnace]

its taking in a float and seeing if its less then the array

[dusty mulch]

Im a beginner too, but I work as a software engineer

Ok, i cant look rn, but do that, try it with one heart without the for loop, see what happens

[dim tapir]

Now I have the "Health" variable (in PlayerUI) set on a specific value. I want it to gather the info from my third person character instead, not really sure how to go about that

[dim tapir]

Not sure how to go about taking out the for loop and the array as there is nowhere to input my heath icons

[dusty mulch]

U need a reference of the player in player ui or the other way around

[dusty mulch]

Like that

Now connect

Heart 1 to the pin

And the red pin to the index pin of the node Select

[dim tapir]

I can't input the heart into anything, not "False" "True" or "Target"

[dusty mulch]

Ok

Then just make the for loop again, but connect only Heart 1 to it

So make it exactly like before, but c9nnect only one heart to the make array node

[dim tapir]

Same issue, all black

[dusty mulch]

From the for loop node take array index and connect it

[dim tapir]

Same issue, all black hearts

[dusty mulch]

Hmm, then it might have to do with the widget itself

[dim tapir]

I looking at this guide, and when he sets the custom event and adds a input/variable he doesn't have to specify any number for it, while I do. He uses UE4 and I use UE5.
https://youtu.be/nI1KcW3mjAA?t=6296

Nvm, I remade it and not I don't have any value on the input. Still get all black hearts though..

I'm going crazy I'll go take a walk and cool down. BRB

[dusty mulch]

But in the tutorial he is using a progess bar

You are using hearts

[faint pasture]

You are setting the color and opacity on the widget all the hearts are inside of

not the individual hearts

Get a rubber duck and talk to it

[dusty coral]

Hello guys, how can i use render target on local for fog of war system ? how can i turn off replication for render target

[hollow jasper]

someone have liks that experience? all works fine. just screen looks like this,

[near wolf]

Hi, can someone tell me what's wrong with my code ? What im trying to do is go to an actor and make it spawn projectile

but it's not spawning

[digital palm]

Hey guys, I’m trying to do something equivalent with the generator from dead by dead light. So when the player start interact, all basic inputs like movement and so are disabled and only exit and use are on. What is the best way to do that, have a different pawn and switch?

[tawdry surge]

Probably just a bool,
Or run the "use" and "exit" inputs from the controller. Keep the rest in the pawn and disable input to it.

@near wolf without knowing if shot target is pointing where you want, my first guess is that you're spawning it inside something and the collision handling is canceling the spawn

[kindred remnant]

Hey guys. I've got this skeleton on a physics simulation to fall apart, however I want it to happen as soon as I go through that door's box trigger. Currently it just falls to the ground as soon as I start playing. Anyone ran into this before and could help please?

[digital palm]

ok that's a idea, tks

[steep linden]

Does someone have any idea why the montage isn't playing?
The add impulse function gets called and executed but the montage is only playing on the listen server and not multicasted

[dusty coral]

do you guys know how to use render target on only client

i want different renders client by client

[manic geode]

Do we have this in UE5?

[versed sun]

just do divide, and then you change bottom pin type

[near wolf]

shot target is right outside of the gun

[dim tapir]

That is not possible, see error message in below image.

[tight schooner]

Probably... Don't simulate physics on the component by default, and use BP to enable physics sim when it's needed

[kindred remnant]

Thank you

[fleet heron]

hi. how do i use a slowmotion (Global Time Dilation) for everything except the player character?

[trim matrix]

Any good tutorials to learn blueprints for UE4?

[tight schooner]

learn.unrealengine.com

[thorny glen]

Hey guys, My left mouse button is not working after Unpausing the game.
I tried to input mode game only and Input mode Ui and game.
None of those working.
Anyone know to to get my mouse control back.

Note:If I'm clicking and ad dragging only then it is working

[limber parcel]

what is cheaper on the engine? getting an actor health value through an actor component or through an interface?

[tight schooner]

That's such an esoteric question you probably have to test it by doing a loop of 100,000 and measuring the frame time spike ("stat raw" console command on a packaged or play-as-standalone game)

Memory wise I guess an interface will use less because it doesn't contain any code?

Either way I suspect the perf and memory impact will be infinitesimal

Either route is not expensive

[limber parcel]

well basically the component doesnt contain any code either, you just get the component of the actor and then get its member variable

its really hard to tell where to use interfaces and where to use components

[tight schooner]

Interfaces are structurally simpler but don't have any behavior/data, so I guess it depends if you need that

[manic geode]

Erm... hello guys. What should I do to get the physical representation of the sun in my project?

[tight schooner]

So if you find yourself remaking the same system on every actor that implements an interface, then...

[manic geode]

In my case it just turns on and off like a light

[limber parcel]

tbh i cant really tell a difference between the components and interfaces, they have almost same functionality for what i can tell

[tight schooner]

Epic's own example use case of a BPI is when each actor has a unique reaction to something — their example was a flame thrower that might set things on fire, blow them up or do nothing

All the flamethrower does is spam an interface message on everything it hits

[blissful grail]

Components help encapsulate things to help describe an actor. Such as a movement component or a Skeletal Mesh component.
Interface is more of a contract saying that some object has some kind of method on it.

You can have executable code in a component. You cannot have executable code in an interface (unless we want to get in the realm of default implementations for interfaces, but we don't have that in BP land)

[limber parcel]

but technically i could also check if it has a certain component and then make decisions based on that

[blissful grail]

Sure - you could do that.

[limber parcel]

at least for health and everything related i think it makes more sense to have a component

and some function library for it

[blissful grail]

Up to you.

If it's just a simple health counter - I just put it on the actor directly. Less overhead than anything else.

[limber parcel]

currently i have set up a component for all health / mana / stamina stuff, it contains the current and max values and regeneration rate

and i can basically just slap that component on any actor i want to have any of these stats

i guess thats alot more convenient than having to set up an interface every time i want to use these stats on a new actor type or whatever

[blissful grail]

Yup. That's part of the purpose of a component.

Encapsulated functionality that can be used to describe an actor.

[manic geode]

Guys. Can you tell me, how to enable that menu? I dont have those buttons

[limber parcel]

but then why do all tutorials recommend casting or interfaces?

[blissful grail]

Because they solve different problems.

[limber parcel]

i havent seen a single tutorial using components for these things

[manic geode]

Guys pls help

[blissful grail]

@manic geode Be patient. You literally just asked your question.

Not to mention that this doesn't have anything to do with blueprint

[manic geode]

ah right, sorry

[limber parcel]

yeah the new buttons really look massively different lol

[blissful grail]

It depends entirely on the tutorial, the intended goal of the tutorial, and the person doing the tutorial. Components aren't the answer to everything. It's a tool in your toolbox. Use it where it fits.

Most tutorials also just try to get you the intended lesson as soon as possible, so they would circumvent doing things "correct" for the sake of brevity.

[limber parcel]

problem is that everything fits about everywhere and its had to tell which is the best way to go xD

[blissful grail]

That's just programming in general.

[limber parcel]

https://tenor.com/view/this-is-fine-fire-coffee-dog-gif-10959043

[zealous moth]

is there a way to impose drag onto a projectile motion?

[limber parcel]

guess ill just have to do some testing and figure out what works best

[limber parcel]

https://tenor.com/view/doug-maclean-mac-kyper-kypreos-nick-kypreos-gif-22264825

[zealous moth]

i meant through the component

[limber parcel]

i think u want damping

[faint pasture]

Quick note that this is shit and unpredictable tho.

If you want a real projectile with good drag modeling you'll want to roll your own. While you're at it, switch to line traces and not sweeps.

[limber parcel]

line trace superiority lol

[faint pasture]

Unless your projectile has a radius worth caring about.

[limber parcel]

https://tenor.com/view/fail-soldiers-bomb-mortar-run-gif-10035464

[south merlin]

Does something like "Get Random Point in Navigatable Bounds" exist? So instead of a radius it's a square?

(I tried exactly that of course and didn't see anything like it)

Alternatively is there a test for a point to see if it can be navigated to?

[limber parcel]

just set the origin to that point i guess?

[south merlin]

oh yeah, set that to the origin and maybe a small radius.

then use the bool to check if valid

thanks

looks like Random Point in Bounding Box exists

[limber parcel]

just check navigation tab

[steady elk]

Is there a way to control the execution order of blueprints? For example unity has this window (see pic) which allows you to control the order. (Not to be abused but useful in a case such as mine)

Use case: All my units/bps depend on the grid. To avoid race conditions, I'm hooking up to an event after the grid is set-up, only then I'm executing the rest.
This is tedious to go through most scripts and error prone. Wondering if there is a similar solution where I can set the order and forget about it.

[limber parcel]

sounds like ure overcomplicating this

[faint pasture]

Why not do it like that? Have some central authority that controls the order of things

There's also tick dependency

[steady elk]

I only care about the order of the begin play tbh

I can do it as I am right now, by hooking up to the grid's "setup event" then doing my begin play when that fires

It is just a convenience question really

In unity, I would just add the grid class to the list and drag it into order position. I know this isn't unity, just wondering if there is an equivalent method or something

[limber parcel]

go back to unity if you liked it that much (jk)

[tight schooner]

Lazy man's approach is put a tiny delay on the beginplay on each grid-dependent actor lol. Otherwise manage it so that the grid informs all of its associated actors that it's constructed. I suppose you could do it backward too, where the grid has an event dispatcher for when it's finished, and each associated actor checks if the grid is constructed, and if it isn't, binds to that dispatcher.

I'm a lazy man in this case, so in my project I have a parent class that has a 2nd, "delayed beginplay" custom event

[limber parcel]

why dont u just put that stuff into the gamemode? i think its loaded before the actors

[faint pasture]

Are units spawned at runtime?

[steady elk]

The grid needs to exist for tile stuff to actually work. I don't see how game mode is relevant

[limber parcel]

u can build the grid in gamemode blueprint

[steady elk]

Currently no but I expect to spawn a few later on

[zealous moth]

i ended up using a timeline

[faint pasture]

So if units and grid exist at map load, what's the problem

Unit begin play -> get grid

[limber parcel]

you store an instance of ur grid thing in gamemode and then the actors can access it

[tight schooner]

in a hypothetical situation where the grid dynamically constructs on beginplay (cuz randomization or w/e), and the grid actors can't do stuff until the grid is constructed, I can picture why you'd need to manage execution order

if the grid is static, you can put it in the construction script and add it to the level, and it'll be pre-constructed

[limber parcel]

or just make use of the games natural flow

[steady elk]

this is what I am currently doing, I am trying to cut down the part circled in red

[limber parcel]

where exactly are u building this grid?

[steady elk]

the question was: if i can make the grid's begin play (the setup stuff), execute before all other custom bps

it is an actor in the scene

[limber parcel]

then ill tell u a third time, build it in the gamemode instead of an actor

the gamemode stuff gets executed first and then it loads all the actors

im assuming its a building grid?

[steady elk]

building grid?

[limber parcel]

or what do you need this grid for?

[steady elk]

I'm trying to make a tactical grid-based game

think disgaea or ff tactics type of game

[limber parcel]

ok then what i suggested previously should work

https://www.youtube.com/watch?v=IaU2Hue-ApI

i recommend u watch this video

@steady elk

[steady elk]

thanks

[gentle urchin]

Thats a good one ^

[limber parcel]

<@&213101288538374145> it deserves a pin i guess

[gentle urchin]

Flow control is a vital aspect of game dev and systems in general, especially when they depend on other stuff

Guess the video doesnt really teach you the how-to but atleast walks through the engines framework and some nice to know sequences of things

[fast thistle]

Hi,anyone know how can I set up a damage multiplayer

[faint pasture]

Do you already have damage and health singleplayer?

[limber parcel]

i heard rumors of UE4 having a built-in health system lol

i wonder if they have to remake all that stuff when they switch to UE5

[faint pasture]

There's a damage "interface". Not really an interface but pretty much has the usage of one, it's on all actors.

No built in health but that's simple

[fast thistle]

Yes

I built up , health system , damage system , stamina system etc

[limber parcel]

make the actor health a component and set it to replicate

[fast thistle]

Then

[limber parcel]

then you have synced health

[fast thistle]

I’m still new ( apologies for stupid questions)

[limber parcel]

maybe watch some multiplayer tutorials then

[fast thistle]

Yea, gonna do that

I’m trying to make a system where after killing an enemie mana builds up , when you press a button it uses the mana which results in high damage

[limber parcel]

https://tenor.com/view/vgrb-roblox-hardcore-roblox-super-fan-bomb-gif-20637496

[faint pasture]

Pass the damager over in the damage call.

Then on the enemy, if it dies, it calls some event on whoever damaged it.

Then back in the player character, that event adds mana.

Character
Input -> whatever -> Apply Damage to Enemy

Enemy
Event Any Damage -> HP Stuff -> About to die -> Notify Character

Character
Enemy Died -> Add Mana

[limber parcel]

add component to character -> enemy dies and tries to get component of killer and tries to add mana

[faint pasture]

Ew no

Pass damager over in the damage event

If die, cast damager to character, call an event on it, die.

Character should be touching its own stats, not the enemy itself

[limber parcel]

https://tenor.com/view/bombs-collide-bump-gif-4724986

the character doesnt do anything in my scenario

except holding the component

basically all the functionality would be in the enemy death event

[faint pasture]

That's pretty dangerous and fragile. Try to think in the minimum amount of communication needed.
Enemy dies -> It tells killer or character that it died and optionally some other info (its level or whatever)

[lyric onyx]

Hi people!
I have a question about Arrays:
I have an array of Floats. All these Floats values come from variables. I'm using a "For each loop" to calculate a new value for all these variables but I don't know how to propagate it to them... I manage to do the calculation and apply it to the Array, but original variables remain unchanged. Does anyone know how to apply it to the variables please?

[mental trellis]

You have to go through and set the original variables with the values from the array

[lyric onyx]

Ok but how do I do that?

[mental trellis]

How did you get the variables in the first place?

[lyric onyx]

I created them in the blueprint, set drag and "get"

At the Event Begin Play, I placed a "Make Array" with all these variables, and "Set" the Array

[mental trellis]

I created them in the blueprint, set drag and "get" "set"

[lyric onyx]

then drag*

mb

Current I got this

[faint pasture]

How many variables we talking?

You need to get index 0 then 1 then 2 then 3 then 4

but time dilation should cover you

[lyric onyx]

5 variables but I'll add more later

My goal is to make my Delays unaffected by Time Dilation, because I'm using a Custom Time Dilation for my Character, but its Delays nodes are affected and make it unplayable

[tawdry surge]

Can we not have an array of variable references in BP?

[heady patrol]

I need help on how to snap or align instance mesh together by using the normal hit and instance orientation. any suggestions ? https://youtu.be/geEpSjGmYtA

[tawdry surge]

I mean base types.. obviously object types we can

[faint pasture]

If you must do it this way, I'd make a struct with Name, Float pairs and make an array of those.

Then adding a new parameter is just adding another struct to that array

[lyric onyx]

I see... Even tho I think it's a bit overkilling x)

It's still a viable solution however!

[faint pasture]

This smells like a timeline tbh

and you can control a timeline's speed

and probably(don't quote me) have it ignore TD

[lyric onyx]

I don't know

However it may be a great solution to adjust cooldown even if time is slow down

[faint pasture]

You want to have stuff happen in an order at different times.
That's a timeline.
You can have it drive all sorts of stuff too (audio, particles, mat parameters)
All in a one-stop shop.

It's like an animation for whatever you want it to control.

[lyric onyx]

I just want to control delays

[limber parcel]

how is it dangerous?

[faint pasture]

Because it's a pretty bad idea to just have any old enemy reaching into the character and directly modifying stuff.

Think in terms of messages

If I want you to unlock your door, I ring your doorbell, then you unlock the door and let me in

I would not just reach in the window and start messing with your door. I just tell you what I want and let you do it

[limber parcel]

i dont see a difference, its basically just 1 message in both cases or not?

i just butchered my sprint ability to make it multiplayer compatible

again using components to do all the stuff

[lyric onyx]

I never used Multi Gate, how does it work? (I guess I just have to read the doc)

[limber parcel]

https://tenor.com/view/multipass-freepass-gif-12760477

[faint pasture]

Iterates through outputs each time the input is hit

[cursive elbow]

hi guys! i've run into a bit of an issue. i have a replicatable actor, which is constructed on left click. One client (on play as listen server) can see the others placed actors, but not vice versa. Any help would be appreciated. Thanks!
heres my code
https://cdn.discordapp.com/attachments/221799385611239424/992133672209760306/unknown.png
heres actor properties
https://cdn.discordapp.com/attachments/221799385611239424/992133795438399518/unknown.png

[limber parcel]

so it basically lets u run multiple codes on 1 input?

[limber parcel]

why is it a voxel?

[cursive elbow]

i just called it voxel, coz its like a minecraft block except i want it to be spherical

:D

[limber parcel]

go home george, you are drunk

[cursive elbow]

?

im very new to ue4

[limber parcel]

the what

[cursive elbow]

ik its probably a big mistake

lol

[limber parcel]

why use ue4 then

and not ue5 when ure new anyways

[cursive elbow]

i got ue4 a while ago and my wifis slow

[cursive elbow]

not that new, just hardly touched ue

[limber parcel]

why are u setting the owner to gamemode?

[cursive elbow]

Oh sorry thats from b4 i learnt abt replication

gimme a sec

changed it to playercharacter

[faint pasture]

Well yeah, beacuse everyone is placing the actor on their own machine

only the servers machines actors are replicating out

[cursive elbow]

oh ok

how do i make it broadcast to the server when you place

[limber parcel]

you need to set up a proper server-client logic

[faint pasture]

you need to change it to
Input -> run on server event

Then serverside
Spawn actor

[cursive elbow]

soooo

[limber parcel]

i just tested with this because im also working on multiplayer rn

[cursive elbow]

ok ty

[faint pasture]

@cursive elbowThe only way the server knows about ANYTHING is through a run on server event (RPC)

[limber parcel]

so you have to do the spawning on the server and on your multicast

[cursive elbow]

wait how do i get player controller to place it at?

wait how do i get player controller to place it at?

[faint pasture]

Don't multicast

[limber parcel]

yeah i guess it should be owning client sorry

actually not

it needs a multicast here

[faint pasture]

No, the actor shoudl be replicated

don't multicast the event that spawns the actor

just spawn the actor on the server

[limber parcel]

ohh i forgot to set that actor to replicate

[faint pasture]

Why do you need the player controller? You're doing this in the pawn right?

or is it in the PC

either way, just get self

[cursive elbow]

its in the pc

but the server cant get self?

[faint pasture]

Sure it can

[cursive elbow]

or you mean like as an arg

but then wont it always spawn under the character hosting the server

[faint pasture]

If you get Player 0 it would

thats why you don't do that

[cursive elbow]

ok

[faint pasture]

this is happening in the PC/Pawn

so get self

then you know WHICH PC/Pawn is doing it

[cursive elbow]

so do i do the index thing and replace 0 with self

[faint pasture]

No, just get self

[limber parcel]

this is in my player character

[cursive elbow]

o ok ty

[faint pasture]

@cursive elbow

[cursive elbow]

wait sorry complete nooby thing: how do i make server event?

[faint pasture]

Read the Network Compendium

[faint pasture]

Make an event, there's a setting in its properties for replication

[cursive elbow]

o is that what i need ok

i assumed that would be a replicating client event

[faint pasture]

@cursive elbowThis is doing it in the pawn

[cursive elbow]

thank you

honestly

you are so helpful adriel and source control, ive learned so much in like 5 minutes!

[faint pasture]

This is from controller

I'd do it in pawn but it depends on if it's more the PAWN that's doing the building or the disembodied PLAYER

[fast thistle]

Out of curiosity, I have 3 things to add to view port , using 1 event begin play . How can I do this 🥲

( I don’t apologise this time for this question, lol)

[faint pasture]

Do all 3 in sequence

add one, then the other, then the other

[fast thistle]

The 3 things are stamina , Xp and mana

Ok

[faint pasture]

I would make one widget which holds those 3 widgets as children but start with what you got right now

[fast thistle]

I see , lmao

[faint pasture]

Begin play -> make stamina widget -> add to vp -> make XP -> add to vp, etc etc

Later you can just do
Begin Play -> make UI Widget -> add to vp

and UI widget would handle its children

but baby steps first

[fast thistle]

Yes Sir

Is it true you don’t watch tutorials 💀

[faint pasture]

That's more of a bit of advice

[gentle urchin]

Dont need to watch tuts when Adriel is around. A walking tutorial👐

Sounds like a #cpp question

[limber parcel]

wait actually i noticed that my shit spawns 2 instances on server

[modest monolith]

Does someone know how to do that every actor spawned can be overlapped only one time and therefore activate the bound event only one time? (If you tell me to use do once I kill you)

[limber parcel]

and actually on client too

pizdec

so you actually only have to do like this @cursive elbow

and if u set actor to replicate it should show on server and client

[tawdry surge]

@modest monolith If you want a more complicated method you can set the collision to block or ignore after the first overlap
Or you can make a collision component or something to handle the overlap and destroy the component afterwards

[modest monolith]

Yes yes at the end I realized by myself.. i've set that when he gets overlapped he goes physics only

[limber parcel]

i did this any my friend is wondering why his game is lagging lol

https://tenor.com/view/trollfacelmaaaao-gif-23938565

[dreamy yacht]

Hi! I am making an arcade racer and I need to set some needle render angles for TACHOmeter. One car works fine, but when I set ( create ) the reference for/ to the second car and want to use that reference and link it, every time I get an error saying "pawn object reference is not compatible with Wheeled Vehicle Movement Component Object Reference" WTF?

I have no idea what this is

the first car below

[modest monolith]

Do you know guys if it exists a node that returns a boolean value when the float number is closer to one between 3 values ?

Like if Y location is closer to -175 do this, if closer to +175 do that, if closer to 0 stay

I have to make that my character when he lands he will teleport to the closest lane (endless runner)

[thick bramble]

Is there a way to automatically scale actor(with skeletal mesh) to always fit scene capture?

[clear bone]

how do i add code variables to my blueprint?

[thick bramble]

you mean, how to create variable in e.g. loop?

[clear bone]

uhm not sure if this will help but
i have code that reads the position of a hand and i want to implement that but idk how

[limber parcel]

sounds like you should watch some beginner tutorials

[thick bramble]

Just click "+", and choose variable type

[clear bone]

thank you

[gentle urchin]

Custom macro with tresholds

[faint pasture]

On Land -> Teleport to closest lane

make TeleportToClosestLane a function or event, and just call it when you land

easy breezy

[limber parcel]

for some reason the interact event wont work on my client

[faint pasture]

Because the client isn't the owner of the Wisp

It should go:

Clientside Pawn
Input -> Run on Server -> Interact

Serverside WhateverYou'reInteractingWith
Event Interact -> Do Thing

The Client -> Server RPC (The Run on Server Event) needs to happen in your PlayerController/Pawn/Character/SomethingElseYouOwn

[limber parcel]

so basically i have to make new function here?

[faint pasture]

Yes