#ue4-general | Unreal Source | Page 528

grim ore Sep 5, 2019, 5:19 PM

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okdoke for the AI stuff I might have a solution

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Nav Modifiers, nav filters, Move To Location/Actor Nodes, and uh... nav area?

scarlet birch Sep 5, 2019, 5:19 PM

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@grim ore I didn't know anything about nav area filters until you said something. I looked it up now though and see you can use that for this.

grim ore Sep 5, 2019, 5:20 PM

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yeah im at work so its a bit hit and miss being able to do this depending on call traffic lol

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but I have this so far https://i.gyazo.com/40ee56082db280062297b7595c8f35d6.gif , one of them is set to not care about the avoid part in the middle the other is set to follow the normal rules and avoid the obstacle

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one nav mesh, just using a filter on the one AI in the Move To node to set the cost of the node to nothing instead of 1000000 basically

scarlet birch Sep 5, 2019, 5:22 PM

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This is a little outdated, and it looks like you don't need the plugin anymore to do it, but I think it's the basic approach you're talking about. https://www.youtube.com/watch?v=xwdVQQtQa8s

YouTube

Love Harmony

Rama's AI Nav Modifier Example, Move To With Filter

You can download the project I created for this video here: https://forums.unrealengine.com/showthread.php?3851-(39)-Rama-s-Extra-Blueprint-Nodes-for-You-as-...

▶ Play video

grim ore Sep 5, 2019, 5:23 PM

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it might be? I saw that video but was using the built in nodes yep

scarlet birch Sep 5, 2019, 5:23 PM

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Nice, glad I caught your response I had not seen that before

plush yew Sep 5, 2019, 5:23 PM

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Oh I've seen this video too ! But I don't understand so much... 😕

scarlet birch Sep 5, 2019, 5:24 PM

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Much easier than what I was thinking

grim ore Sep 5, 2019, 5:26 PM

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the issue I mainly ran into was setting up the avoidance cost on the nav area had to be super duper high to get them to avoid it lol

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you would think 10 would be enough but noooooo

scarlet birch Sep 5, 2019, 5:26 PM

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@plush yew basically every step in AI navigation has a cost and AI tends to take the path of lowest cost, you use a filter to tell some AI a certain area has a higher cost so it will never use it

grim ore Sep 5, 2019, 5:27 PM

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yep yep which is nothing special but getting one of them to ignore that was the issue and filters save the day for that lol

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I normally don't use those move to XXX nodes so that's a new one on me 🙂

scarlet birch Sep 5, 2019, 5:28 PM

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What do you use to move ai?

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normally.

grim ore Sep 5, 2019, 5:29 PM

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AI move to since it has success and fails executes

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or simple if it's a simple move

scarlet birch Sep 5, 2019, 5:29 PM

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Ah gotchya

grim ore Sep 5, 2019, 5:30 PM

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I should be using more EQS but I started to learn it, half the nodes are deprecated, I noped out lol

scarlet birch Sep 5, 2019, 5:30 PM

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I hadn't used them at all until a few weeks ago, I've been moving away from Behavior Trees

grim ore Sep 5, 2019, 5:31 PM

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hopefully this works for him, I know he has been trying for a bit but I haven't had time to try and figure it out

plush yew Sep 5, 2019, 5:32 PM

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( I'm also using AI Move To in my BP... Didn't even know there was "AI move to" and "simple move to" ... )

grim ore Sep 5, 2019, 5:33 PM

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yeah using auto complete you don't see some of the other ones since they require inputs like the AI controller

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the actual Move to Location/Actor nodes which take in the AI Controller as the Target have the Filter Class on them. None of the other ones do which is annoying

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this BTW was where I got some inspiration for figuring this out https://www.vikram.codes/blog/ai/03-navigation-filtering-and-avoidance

scarlet birch Sep 5, 2019, 5:37 PM

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I'm missing something, it's not changing the nav mesh color when I add the modifier volume.

plush yew Sep 5, 2019, 5:37 PM

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@scarlet birch Ah ! I had the same problem when I added the modifier volume, last time !

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I saw a tutorial which said there was a bug or something and it had to rebuild or close and re-open the editor, something like that... But it didn't work

scarlet birch Sep 5, 2019, 5:42 PM

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I'm going to mess with it some more this afternoon.

vast fjord Sep 5, 2019, 5:42 PM

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can i get some help with deleting maps please?

grim ore Sep 5, 2019, 5:42 PM

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just make sure for the modifier you have the area selected you want to use and it has a higher cost than another modifier if it's with another one

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@vast fjord restart the editor and make a new blank level then try and delete?

vast fjord Sep 5, 2019, 5:44 PM

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not working

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📎 unknown.png

grim ore Sep 5, 2019, 5:45 PM

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that's weird if the map itself is not loaded. Is it your default map?

vast fjord Sep 5, 2019, 5:45 PM

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i dont think so no

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every map i try and delete does this

sonic pagoda Sep 5, 2019, 5:45 PM

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had this be4, for sure corrupted... i had to restore it from an autosave... but are you sure you dont have 2 copies of the editor open

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with the same project

plush yew Sep 5, 2019, 5:46 PM

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However, if I let the Area Class on "NavArea_Null", like this :

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📎 NavArea_Null.jpg

scarlet birch Sep 5, 2019, 5:46 PM

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I'd move the level outside of the content folder and see if the project loads.

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if it does delete it, if not move it back

vast fjord Sep 5, 2019, 5:47 PM

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it says the level is stil lbeing referenced in memory

plush yew Sep 5, 2019, 5:47 PM

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It's blocking well the NavMesh where the Nav Modifier is put :

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( around the crates, for example : https://gyazo.com/0425037442989a199b63454607ab8c2c

Gyazo

scarlet birch Sep 5, 2019, 5:48 PM

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Close the project, and move the levels files to a folder outside of your content folder, see if the project still works

vast fjord Sep 5, 2019, 5:49 PM

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wait

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i have level blueprints

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oh i got it

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I just removed every object from the level

plush yew Sep 5, 2019, 5:50 PM

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( but I would want to this NavModifier assign ONLY some NPCs and not another, that is the problem... ^^ )

scarlet birch Sep 5, 2019, 5:50 PM

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On those NPCs you move with the filter

grim ore Sep 5, 2019, 5:51 PM

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@plush yew you would create your own nav area, not use one of the default ones

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lemme toss some screenshots out see if they help

scarlet birch Sep 5, 2019, 5:52 PM

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oh,

grim ore Sep 5, 2019, 5:54 PM

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https://imgur.com/a/D6BCaYt

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so the first picture shows the nav modifier in the world, the pink area, and it's area class is set to my nav area avoid I created

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the 2nd picture is the nav area I created with the default cost set to 100 so the AI will try and go around it

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the 3rd is the navigation filter I created which is set to the nav area avoid I created and when using it it changes the cost to 1 (instead of the 10 it normally is)

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the 4th and 5th are the 2 AI's I am moving, one has the filter I created above as the filter class and that basically says "yo that nav area that you would normally avoid since it costs 10 is now a cost 1 so go ahead and go over it"

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not saying this is the most efficient setup and you could flip this if you want, set the default for the area to 1 and then the filter is setting i to like 100000 and give the filter to the people you WANT to avoid the obstacles

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that was actually my plan based on the naming of the files but I kinda did it backwards lol

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I just tested that btw and it worked fine 😛

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Another option that works (just tested) is instead of increasing the cost on the override in the filter (the 2nd method I mentioned) you can just tell it "is excluded" with the checkbox and it will avoid those areas as valid

plush yew Sep 5, 2019, 6:05 PM

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@grim ore Oh, man... You're my savior !!! I love you !!! 😘 😘 😘

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Finally, Mike, I was right to get stuck on my original plan, haha !! 😁

grim ore Sep 5, 2019, 6:08 PM

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I hope that means something is working lol

plush yew Sep 5, 2019, 6:09 PM

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I'm trying to do just now ^^

uneven acorn Sep 5, 2019, 6:17 PM

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Hey Guys, can you please recommend for me good tutorials for realistic lighting in arch viz
I am working on a project and I tried so much to reach a better lighting but still I am not there yet

scarlet birch Sep 5, 2019, 6:32 PM

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@plush yew I'm happy to be wrong, especially when I get to learn something new in the process.

plush yew Sep 5, 2019, 6:32 PM

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@grim ore When you created the NavF_Avoid, do you rebuild the light, restart the editor or something to get the pink area ? Because my area is not pink when i put the Nav Modifier :

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📎 NavModifierVolume.jpg

grim ore Sep 5, 2019, 6:33 PM

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the filter isnt something that goes in the level, it's just an object you can use in the AI move node

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the nav modifier is what is pink in my screenshot

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you might have just named it weird lol

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uhm yeah it should be pink if thats the color you are using for your nav modifier

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if you change it to obstacle does it go brown?

plush yew Sep 5, 2019, 6:34 PM

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@scarlet birch Haha, cool ! You couldn't have known ^^ (and me neither, haha !)

low valve Sep 5, 2019, 6:36 PM

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So i tried turning on 'generate mesh distance fields' and when i reloaded to enable the settings the lighting in my scene became weird and light blue. even when showing 'Lit' with no lights enabled i can still see everything. anyone know whats going on here?

azure shore Sep 5, 2019, 6:48 PM

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hey not important but Im just wondering, why exactly do things like position and rotation values refuse to be exact numbers sometimes? like you type in 90 and it insists on 89.99999

low valve Sep 5, 2019, 6:54 PM

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even after turning off the setting it persists

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my objects are visible light blue, in the lit viewport, when no lights are turned on

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maybe more white than blue

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must be something simple but im puzzled

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i fixed it, by deleting my skylight

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must have been buggin out

scarlet birch Sep 5, 2019, 7:01 PM

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@azure shore Floating point precision

azure shore Sep 5, 2019, 7:01 PM

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whats that?

tight light Sep 5, 2019, 7:04 PM

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Excuse me, I'm not a dev, just a fan who likes to casually riffle through the files of games when possible to look through cut content/hard to find lore.

I was wondering if there was a way to just get the variables in a human-readable format for a particle effect from cooked .ueasset files so that I can compare two effect files for two character's powers to see if they were probably meant to look alike or whether I am just imagining things when looking at the kinda blurry VR gameplay footage?

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I can open them up in Notepad and stuff of course, but it's binary files I think and so it's mostly unreadable.

scarlet birch Sep 5, 2019, 7:07 PM

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You're asking how to rip assets from someone else's work. You're not going to find much help here

tight light Sep 5, 2019, 7:07 PM

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Why are you saying that in an accusatory tone?

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I didn't know this was kind of a trade-secret type server, sorry.

craggy kraken Sep 5, 2019, 7:16 PM

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@tight light it’s not but you are asking to decompile a compiles game

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That isn’t cool

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That’s stealing someone else’s work even if you do have good intentions

azure shore Sep 5, 2019, 7:21 PM

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I think he's just trying to view it

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I had great fun looking through the models in the files for my favourite game but it was just umodel viewer, so I couldn't do anything with them but look at them

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it was interesting seeing the names and stuff

craggy kraken Sep 5, 2019, 7:22 PM

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Seems like he’s trying to make a binary file readable

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That sounds a lot like deconstructing

azure shore Sep 5, 2019, 7:28 PM

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hm I see...

tight light Sep 5, 2019, 7:31 PM

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I mean it's not that important, being able to look through the filenames of the files themselves is still plenty fun on its own, when I was looking through Psychonauts a few months back some of the filenames for the textures made me giggle every few minutes

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It might be the fact that I was coming straight from looking through a 2005 game that I was expecting more files to be technically mostly human-readable since it was mostly in .lua, which I could just open with any plain text/code writing program and just look through 90% alphabetical actual words.

slow hearth Sep 5, 2019, 7:37 PM

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when I try and create a shootergame or content examples 4.23 project nothing happens, anyone else having that issue? works for 4.22

celest umbra Sep 5, 2019, 7:42 PM

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https://unrealsearch.com/?q=content examples 4.23

Unreal Search

Unreal Search is a Google Custom Search Engine that tries to only show you search results that are related to Unreal Engine 4.

copper elk Sep 5, 2019, 7:43 PM

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ok so Im trying to add a cooldown progress bar but it keeps resizing when I play

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Widget

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📎 unknown.png

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in-game

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📎 unknown.png

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the text not showing isnt a problem I did that on purpose

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this is the widget

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📎 unknown.png

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thats the cooldown bar

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the selected one

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in the widget its perfect size btw

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its only ingame

grim ore Sep 5, 2019, 7:48 PM

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wrap the progress bar with a size box, or the overlay with a size box and set the fixed size if that is what you want

plush yew Sep 5, 2019, 7:48 PM

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@grim ore and @scarlet birch Pfiuuuu ! Finally I've just understand why I didn't get the pink area with my Nav Modifier... It was such stupid bug from UE... It needs to restart UE. But also move the Nav Modifier, just like this :

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https://gyazo.com/2543535d94b2d0165a31f440e207e49d

Gyazo

▶ Play video

grim ore Sep 5, 2019, 7:49 PM

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ah

copper elk Sep 5, 2019, 7:49 PM

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oh wait

plush yew Sep 5, 2019, 7:50 PM

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@grim ore and @scarlet birch Didn't you have had to do this ?? What UE version of UE you have ? (I'm on 4.22)

copper elk Sep 5, 2019, 7:50 PM

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ingame as in editor its small but in standalone its fine so it doesnt matter thx anyway

grim ore Sep 5, 2019, 7:50 PM

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i am on 4.22, maybe you changed some of your navigation system settings so it doesnt automatically refresh?

plush yew Sep 5, 2019, 7:51 PM

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I don't see what... I believe no... 🤔

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That's not bad now I've found the error

grim ore Sep 5, 2019, 7:54 PM

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yeah it looks like your nav mesh was not rebuilding when you put in the modifier for some reason

copper elk Sep 5, 2019, 7:55 PM

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is there a way I could tilt an overlay

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to something like this

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📎 unknown.png

grim ore Sep 5, 2019, 7:57 PM

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look at the Render Transform section

dawn gull Sep 5, 2019, 8:01 PM

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Hi, I am trying to install a plugin into my Unreal Engine project called "Victory Plugin" and it was compiled for UE4.22.3 and my game is Flex UE4.22.3 and it always fails when I try to recompile so I can't really open my project. Any help? Also I don't know where a log would be so please tell me so I can help with that. Thanks! 🙂

📎 unknown.png

copper elk Sep 5, 2019, 8:01 PM

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@grim ore got it thx

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also my progress bar isn't updating progress. when the value goes to 0 then it instantly changes colour

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📎 unknown.png

grim ore Sep 5, 2019, 8:05 PM

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progress bar values are in the 0..1 range

copper elk Sep 5, 2019, 8:07 PM

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so how can I make it so it displays 500/500 health for example

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but the first 500 corresponds to the health float

warped tangle Sep 5, 2019, 8:08 PM

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Multiply the 0-1 of the health by 500

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Or divide the 500-based health by 500

copper elk Sep 5, 2019, 8:08 PM

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oh ok

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it works now

warped tangle Sep 5, 2019, 8:09 PM

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As MathewW said, progress bars take a 0-1 value. You just have to convert

copper elk Sep 5, 2019, 8:09 PM

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thank you very much

grim ore Sep 5, 2019, 8:18 PM

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ok the new web remote control is pretty cool, you can mess with the editor over a website lol

warped tangle Sep 5, 2019, 8:18 PM

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No kidding

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I thought it was runtime only, haven't looked in to it yet

grim ore Sep 5, 2019, 8:19 PM

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its not and the docs walk you thru getting values from the editor 🙂

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pretty neato { "objectPath" : "/Game/ThirdPersonBP/Maps/ThirdPersonExampleMap.ThirdPersonExampleMap:PersistentLevel.LightSource_0.LightComponent0", "access":"READ_ACCESS", "propertyName":"RelativeRotation" }

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and you get back the value you ask for... kinda... sexy

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if I dont have any work today I think I know what I will be playing with

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man all this like professional work stuff makes me feel a little sad that I just like to tinker with the small stuff . Then I remember real work is hard and I go back to playing with the small stuff 🙂

plush yew Sep 5, 2019, 8:25 PM

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@grim ore How did you add the Filter Class variable into the "Move to Location" ? What kind of variable is it ?

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📎 Move_To_Location.jpg

grim ore Sep 5, 2019, 8:26 PM

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man they did a good job on the docs for the new stuff

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that is a navigation query filter class

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the same way you made the Nav Area, make a NavigationQueryFilter

rich stream Sep 5, 2019, 8:28 PM

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hey, does anyone know if Chaos will work for mobile?

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Also, I see they say you should download a build from github, but when checking the launcher version chaos editor is there. So is that old info or do I need to download from github?

plush yew Sep 5, 2019, 8:31 PM

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@grim ore Yeah I've created the NavArea BP and the Filter BP but I mean, I just don't remembre how add the variable into the node

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( in this case in the "Move to Location" node )

tiny bison Sep 5, 2019, 8:31 PM

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guys exist olther way for installing code work?im getting bigs buggs, can not install it

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the frist time worked well, then i change discovery becouse of less mamory on C and its beggin to give me errors to unreal packing
so i try to delete it complety, but now i can not enymore istall it i get a error 1

grim ore Sep 5, 2019, 8:34 PM

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@plush yew if you don't see that in your node then you need to use a different node, the one you want is the one that targets the AI controller

copper elk Sep 5, 2019, 8:39 PM

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I am trying to make a healing potion that will only activate if the player isn't on max health

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but I cannot figure it out

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📎 unknown.png

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📎 unknown.png

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everything is fine except the adding health

unreal comet Sep 5, 2019, 8:45 PM

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Does anyone else get this error when trying to install 4.23? https://i.gyazo.com/7686d435720a5fa0bce8b9b070639c66.png

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I'm putting it in C:/Programfiles(86)/EpicGames. How is that too long?

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Oh Well I'll Just intall it on my E: drive so it's not too long. I've always installed in program files though. Weird. They must have went crazy with new stuff lol

gleaming creek Sep 5, 2019, 9:17 PM

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Microsoft really should fix that silly 256-character limit

dim plover Sep 5, 2019, 9:21 PM

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UE4 added support for over 260 character paths.

kindred viper Sep 5, 2019, 9:21 PM

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there was an old way around it too. https://webcache.googleusercontent.com/search?q=cache:25dCSsE7yoQJ:https://coconutlizard.co.uk/new/programming/solongmaxpath/+&cd=1&hl=en&ct=clnk&gl=uk

Unreal Journal

So Long MAX_PATH… And Thanks For All The Fish!

Almost every developer that we’ve spoken to seems to have, at some point, encountered the MAX_PATH limit problem… this post talks about how to PROPERLY fix it

plush yew Sep 5, 2019, 9:25 PM

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so is it worth it ?

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te 4.23 i mean

kindred viper Sep 5, 2019, 9:28 PM

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the chaos is fun. The demo runs smooth as butter

grim ore Sep 5, 2019, 9:32 PM

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need source build, so sad at work, 😢

rich stream Sep 5, 2019, 9:33 PM

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btw does chaos work for mobile?

scarlet birch Sep 5, 2019, 9:35 PM

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You can enable long character paths in Win10

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It's under group policies I think

slow hearth Sep 5, 2019, 9:39 PM

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@plush yew worth it, virtual texturing is a huge deal

plush yew Sep 5, 2019, 9:40 PM

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@kindred viper can u share it ? too bad it must be compiled !

kindred viper Sep 5, 2019, 9:40 PM

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share it?

plush yew Sep 5, 2019, 9:41 PM

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how did u download it ?

kindred viper Sep 5, 2019, 9:41 PM

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github

grim ore Sep 5, 2019, 9:42 PM

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the Chaos demo is on the learn tab on the launcher

kindred viper Sep 5, 2019, 9:42 PM

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oh the demo

grim ore Sep 5, 2019, 9:42 PM

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was just filling in the other part, i dont know what he wanted shared heh

kindred viper Sep 5, 2019, 9:42 PM

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one of the better demos ive seen tbh

grim ore Sep 5, 2019, 9:43 PM

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it's on the top of my list along with web remoting today when I get home 🙂

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and the new DXR features whooo.

kindred viper Sep 5, 2019, 9:43 PM

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I noticed some lbuggy things in the physics but its physics and beta. There has to be 😄 Just things you can fix with a timed sleep tho

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its nice its laid out like a real tutorial though. Working it out from no documentation was a nightmare. I was close tho apparently.

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and now the migraine has kicked in. Time to kick back and break some stuff.

plush yew Sep 5, 2019, 9:46 PM

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@grim ore chaos demo is as project right ?

grim ore Sep 5, 2019, 9:46 PM

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yes it is

plush yew Sep 5, 2019, 9:46 PM

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i can have it with out the compiling ?

grim ore Sep 5, 2019, 9:46 PM

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you can have it sure you just cant run it

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the engine needs chaos compiled into it, the 4.23 on the launcher does not have chaos compiled into it

plush yew Sep 5, 2019, 9:47 PM

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oh that shame.

grim ore Sep 5, 2019, 9:47 PM

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it is a bummer

plush yew Sep 5, 2019, 9:47 PM

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@cursive dirge

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will you compile chaos later on your github ?

cursive dirge Sep 5, 2019, 9:57 PM

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no

wide gorge Sep 5, 2019, 10:13 PM

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Anyone have any insights as to why spawning a particle emitter with a multicast event is causing the clients only to crash in a packaged game with an error about LevelTick.cpp ?

plush yew Sep 5, 2019, 10:17 PM

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@grim ore Ok, I was able to repeat your code and all but I don't understand why my bot refuse to move...

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( The BP of my bot is the same as your... )

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https://gyazo.com/9dfe75db52dced204d5cc6489f729da1

Gyazo

grim ore Sep 5, 2019, 10:18 PM

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well can it actually get to that point?

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and if you have no filter class does it move as well?

plush yew Sep 5, 2019, 10:20 PM

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Nope... It don't move with the filter class or not

grim ore Sep 5, 2019, 10:20 PM

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print out the return value and see what is going wrong?

plush yew Sep 5, 2019, 10:22 PM

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If I add a print here, it says Hello

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https://gyazo.com/e12fac4f0ca3a50267f74c6c755261e7

Gyazo

grim ore Sep 5, 2019, 10:23 PM

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drag the return value from the move to into the in string on the print string

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so we can see the return value of the move

plush yew Sep 5, 2019, 10:25 PM

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https://gyazo.com/93d11468f8855f525dad4a6eb02b7678

Gyazo

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It says "Failed"

grim ore Sep 5, 2019, 10:25 PM

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make sure your location is valid then, the 1600,0,0 you are trying to move it to

plush yew Sep 5, 2019, 10:26 PM

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Lol

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Yeah the value was simply too high for my level

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@grim ore You're right, thanks

azure shore Sep 5, 2019, 10:27 PM

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idk if anyone will be able to help from my explanation, but Im really struggling with this: I have a first person camera, and a gun that fires with line traces from the camera view to where the player is looking. the problem is, in third person mode, theres a shoulder view, but I cant get it to work for that

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Ill see if I can get a screenshot

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so as you can see it still sorta hits from the first person view

📎 unknown.png

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the other way I tried meant that you could aim round corners whilst the player was the other side of a wall

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I tried having the start location of the linetrace at the first person camera and the end as player camera manager but then it just does whats in the screenshot

light vigil Sep 5, 2019, 10:56 PM

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Hey guys, I am setting my camera on BeginPlay of level, but there is a couple fames where the level is loaded but the camera hasn't been set yet on slower devices, anyone know how to resolve that issue?

azure shore Sep 5, 2019, 10:57 PM

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._.

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just auto activate or whatever its called

light vigil Sep 5, 2019, 10:57 PM

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The camera is set to auto activate

plush yew Sep 5, 2019, 11:01 PM

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I've copy/paste my jumping function to my game project to another project and I have this error on the "Self Actor". How to fix this ?

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https://gyazo.com/c24cccd82c92e56e8fa03c1af20ed02e

Gyazo

azure shore Sep 5, 2019, 11:01 PM

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ugh

azure shore Sep 5, 2019, 11:18 PM

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this is really frustrating me

scarlet birch Sep 5, 2019, 11:19 PM

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@azure shore You have to do at least two traces with a third person setup like that

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One from the camera first, then one from the fire point to make sure nothing is in the way

azure shore Sep 5, 2019, 11:19 PM

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damn, I was hoping that wasnt the case

scarlet birch Sep 5, 2019, 11:19 PM

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It's not that bad

azure shore Sep 5, 2019, 11:19 PM

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wdym by fire point? where the shots hit?

scarlet birch Sep 5, 2019, 11:19 PM

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Where they fire from , muzzle

azure shore Sep 5, 2019, 11:20 PM

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oh you mean a seperate one for first person and third person

scarlet birch Sep 5, 2019, 11:20 PM

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you check if somehthing is in the way of the camera cross hair and the hit

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no two traces for the third person shot

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you do the normal trace like you would with a first person shot, but you add one to make sure there isn't anything in the way of the view and the muzzle

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if something is in the way then that's your hit

azure shore Sep 5, 2019, 11:22 PM

#

I dont understand

#

the trace already isnt going in the right place anyway

#

its just going straight forward using the first person camera and not to the third person one

📎 unknown.png

scarlet birch Sep 5, 2019, 11:23 PM

#

https://www.gamasutra.com/view/news/124925/Opinion_Adventures_With_Guns_In_A_ThirdPerson_Shooter.php

Opinion: Adventures With Guns In A Third-Person Shooter

Uber Entertainment software engineer Forrest Smith discusses his third-person camera experiences from Monday Night Combat , in this #altdevblogaday -reprinted opinion piece.

#

You do a second trace to avoid the shooting around corners you were talking about

#

You do one trace from camera like you would for FP, then a second one from the muzzle towards the FP hit to see if there is anything in the way of the hit

azure shore Sep 5, 2019, 11:24 PM

#

no offence, but it seems you're telling me what to do, but not how, which has been the problem like I think I know what I need to do but I cant get it working

plush yew Sep 5, 2019, 11:24 PM

#

Is this 2 target nodes are the same ? 🤔 (I'm still cherching how to add this "Self Actor" node like I have on the code that I've copy/paste from my other project but I don't find it...)

#

https://gyazo.com/9a3430672d8f454cbc99ce598ff37207

Gyazo

#

( I mean "Self" and "Self Actor" )

azure shore Sep 5, 2019, 11:28 PM

#

so uuum

kind dew Sep 5, 2019, 11:32 PM

#

my nav mesh bounds is above my mesh? what am i doing wrong lol

#

https://gyazo.com/590a92d96d0fe5bc19e487a4d67f61d1

Gyazo

warped tangle Sep 5, 2019, 11:38 PM

#

@kind dew That's just how they render when you're viewing the bounds. Don't worry about that

kind dew Sep 5, 2019, 11:38 PM

#

okay

#

but my ais are snapping to that

#

and walking on air lol

warped tangle Sep 5, 2019, 11:40 PM

#

I think you have a different issue then

kind dew Sep 5, 2019, 11:44 PM

#

uh oh

plush yew Sep 5, 2019, 11:48 PM

#

@kind dew Maybe the issue is that just your character is too high in your CapsuleComponent. Nav Mesh are always a bit wobbly.I noticed that and it's screw me up too but nevermind...

#

@grim ore It seems that I've manage it ^^ Youpi ! : https://gyazo.com/9011eff92af00c23777305a3332efcf4

Gyazo

▶ Play video

grim ore Sep 5, 2019, 11:50 PM

#

yaaaay !

#

we all learned today so Good Job Channel!

plush yew Sep 5, 2019, 11:51 PM

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Yep !

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( special thanks to your however, hehe ! 😘 )

grim ore Sep 5, 2019, 11:55 PM

#

@scarlet birch was adamant with getting it solved as well so kudos all around 🙂

azure shore Sep 5, 2019, 11:56 PM

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honestly why am I so thick

#

Im literally stressing over one tiny problem for hours that most people can probably fix within minutes

kind dew Sep 5, 2019, 11:57 PM

#

thank you @plush yew thats all it was lmao

plush yew Sep 5, 2019, 11:58 PM

#

@kind dew You're welcome

#

( finally I can help too, hehe 🙃)

azure shore Sep 6, 2019, 12:03 AM

#

why do I evven bother

warped tangle Sep 6, 2019, 12:03 AM

#

@azure shore If it's not gameplay breaking, put a TODO for yourself and go back to it when you're more fresh. If it's breaking gameplay just ask

azure shore Sep 6, 2019, 12:04 AM

#

yeah I already did and here and the other place I asked I was just told to do what Ive been trying to do for hours

#

but not actually how

warped tangle Sep 6, 2019, 12:07 AM

#

what are you using for your trace start/end

scarlet birch Sep 6, 2019, 12:09 AM

#

@azure shore Did you read the article I linked? It goes into a fairly detailed explanation of a solution.

azure shore Sep 6, 2019, 12:10 AM

#

right this is how its set up

📎 unknown.png

#

sorry its hard to see its a shotgun so it has spread stuff there too

#

I tried setting start to shotgun location too, just makes it shoot straight

plush yew Sep 6, 2019, 12:16 AM

#

@grim ore Mh, I have still a problem to resolve. I worked on a test project and a simple I don't know"Move to Location" function. Now, in my game project, I have an "AI Move To" function :

#

https://gyazo.com/5b472b56b2792f93b8650a155dcba7d3

Gyazo

#

And I don't know how to implement the "Filter Class" parameter in the "AI Move To" node ... 🤔

scarlet birch Sep 6, 2019, 12:17 AM

#

You have to use one of the other move nodes that has it

warped tangle Sep 6, 2019, 12:18 AM

#

theres multiple move to nodes, check them all out

#

@azure shore have you gotten it to work with just 1 trace with no random vector added to it?

#

to see if that functions as expected?

azure shore Sep 6, 2019, 12:19 AM

#

nope

#

I skipped out the spread thing and it still does it wrong

warped tangle Sep 6, 2019, 12:19 AM

#

I would strip that other stuff out and focus on getting that to work

#

look in to....screen to world location or something like that

plush yew Sep 6, 2019, 12:20 AM

#

@scarlet birch Oh, right... That's why you and Mathew told about differents Move To earlier ! Ok, I know...

warped tangle Sep 6, 2019, 12:20 AM

#

can't remember the node exactly

azure shore Sep 6, 2019, 12:20 AM

#

yeah I tried just having the start as the shotgun location and the end as the player camera manager thing and yet it still shoots straight forward

warped tangle Sep 6, 2019, 12:20 AM

#

I would think you would want to trace from barrel to your crosshair projected in to world space

scarlet birch Sep 6, 2019, 12:21 AM

#

Sort of, but you only want to do that for a shorter distance

warped tangle Sep 6, 2019, 12:21 AM

#

fair

scarlet birch Sep 6, 2019, 12:22 AM

#

at some arbitrary point you let the trace from the camera win.

warped tangle Sep 6, 2019, 12:23 AM

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so trace to x distance from muzzle to camera, if no hit then fall back to camera. Is that what you're getting at

scarlet birch Sep 6, 2019, 12:24 AM

#

Trace from camera to crosshair, then trace from muzzle to that hit for some distance to ensure that the path isn't blocked by an obstacle the camera can see around, if the second trace hits something then that's the hit for the shot, if not then the first trace is the hit for the shot

warped tangle Sep 6, 2019, 12:25 AM

#

Fair. I work mostly VR so the aiming is far simpler lol. but that makes sense

#

And I read the article you posted, good stuff

azure shore Sep 6, 2019, 12:25 AM

#

is this more effort than its worth, I mean - well no I have to do this

#

I cant have no shoulderview in third person, but the shoulderview allows you to shoot around walls

warped tangle Sep 6, 2019, 12:26 AM

#

DJ, the purpose of the 2 (or 3 if you take heed of what the article is telling you about clipping the muzzle through the wall) is to stop shooting around corners

#

You trace from camera, and trace from muzzle to camera, if muzzle to camera hits something, then something was in front of the muzzle and thus that's your hit, otherwise your camera trace is your hit

azure shore Sep 6, 2019, 12:27 AM

#

yeah, I just still cant really visualise that

#

sorry if its a lot to ask, but do you think you could do a rough image of it like top down or something?

warped tangle Sep 6, 2019, 12:27 AM

#

let me mock something up

scarlet birch Sep 6, 2019, 12:29 AM

#

In the left half of the image the trace is from the camera only.

📎 Tank_Covered_Shot-1024x417.png

#

A second trace is done from the muzzle towards the hit of the first trace, that trace would hit the wall in front of the blue player and that is where the shot should stop

warped tangle Sep 6, 2019, 12:30 AM

#

📎 unknown.png

#

not the greatest but should serve to illustrate what we're talking about

#

the line from the camera is the camera trace, the line from the muzzle is the muzzle->camera trace. Notice the muzzle->camera trace hits the block, thus that's your valid hit, otherwise your camera hit is valid

azure shore Sep 6, 2019, 12:33 AM

#

but how does this muzzle trace even relate to the camera

#

all I can see is it just hitting the block, I dont know how it communicates anything to the camera

scarlet birch Sep 6, 2019, 12:33 AM

#

You use the camera hit as the end point,

warped tangle Sep 6, 2019, 12:33 AM

#

your trace start is the muzzle location (use a socket or arrow component or something), the end is the camera hit

#

yep

scarlet birch Sep 6, 2019, 12:34 AM

#

or not

#

Really you just trace from the muzzle forward for some distance to make sure there is nothing in the way,

warped tangle Sep 6, 2019, 12:35 AM

#

I would imagine tracing from the muzzle to the camera hit would be better at the extremes of looking up/down (depending on the aim offset setup) right?

scarlet birch Sep 6, 2019, 12:36 AM

#

probably, it really just depends on what feels right in the game,

azure shore Sep 6, 2019, 12:36 AM

#

OH I might understand something from this

warped tangle Sep 6, 2019, 12:36 AM

#

yep

azure shore Sep 6, 2019, 12:37 AM

#

so basically if the trace from the gun hits a wall, it disables the one from the camera, if it hits nothing, its good to fire that

warped tangle Sep 6, 2019, 12:37 AM

#

for quick testing, take out all the additive random vector stuff you have, and focus on getting the muzzle forward trace working, and the camera hit trace working

azure shore Sep 6, 2019, 12:37 AM

#

so actually youre not even tracing from the gun location to the camera centre aiming point

warped tangle Sep 6, 2019, 12:38 AM

#

you can do it either way, either just use the muzzle forward and trace out to whatever distance you decide to check for corners/obstacles

#

or you can trace from muzzle to camera hit

azure shore Sep 6, 2019, 12:39 AM

#

so am I right in thinking it would actually impossible to link the gun trace to wherever the camera trace would hit

#

must be, because it doesnt really exist like that

warped tangle Sep 6, 2019, 12:39 AM

#

what do you mean, like have the trace from the muzzle hit exactly where the camera trace hits?

azure shore Sep 6, 2019, 12:39 AM

#

yeah, from how it looks thats not possible, so you kinda have to fake it

warped tangle Sep 6, 2019, 12:40 AM

#

literally game dev motto

scarlet birch Sep 6, 2019, 12:40 AM

#

You take the hit location from the camera, if there is one, and plug it into the end point for the muzzle trace

azure shore Sep 6, 2019, 12:42 AM

#

thanks, I think Im FINALLY understanding a bit of this

warped tangle Sep 6, 2019, 12:42 AM

#

remember when you were in school and your teacher said you were going to use math....and you thought naaaaaaah forget math.... lol

azure shore Sep 6, 2019, 12:43 AM

#

hah I must admit, I failed maths by 7 marks

warped tangle Sep 6, 2019, 12:44 AM

#

Vector math still took me a bit to get used to, but once you pick it up it's fairly straightforward

azure shore Sep 6, 2019, 12:47 AM

#

I THINK IT WORKS

#

I think

#

yeah probably not

#

at least I think I might know what to do from here

#

anyway thanks a lot, I couldnt have done this without help

warped tangle Sep 6, 2019, 12:57 AM

#

good luck

plush yew Sep 6, 2019, 1:01 AM

#

Ok, I'm trying to replace the "AI Move To" node of my BP by a "Move To Location" node because the latter have a Filter Class that the other haven't

#

The AI Move To is downstairs and the Move To Location upstairs :

#

https://gyazo.com/00a2f88b1b8640f7057771e83a56e854

Gyazo

serene sorrel Sep 6, 2019, 1:03 AM

#

instead of tracing, you should spawn an actual bullet that has actual physics collisions just like the "RL"

plush yew Sep 6, 2019, 1:03 AM

#

My biggest problem is that the "Move To Location" node has not "On Success" and "On Fail" outputs...

warped tangle Sep 6, 2019, 1:04 AM

#

@serene sorrel That's a different discussion, that's a gameplay style decision. Projectile != Trace

azure shore Sep 6, 2019, 1:05 AM

#

yeah and its a shotgun too

#

I know its still doable with projectiles, but switching that now would mess everything up

serene sorrel Sep 6, 2019, 1:05 AM

#

rust spawns a real projectile for every shotgun pellet

azure shore Sep 6, 2019, 1:05 AM

#

I mean thats a super realistic game

#

and actually my enemies use projectiles for damage

warped tangle Sep 6, 2019, 1:06 AM

#

We've had a similar conversation before.....just because "x" game does it 1 way, and you happen to like that, doesn't mean that's how it should be done

#

He's trying to trace, if nothing else he'll learn the mechanics of it, and maybe decide to do projectiles later

serene sorrel Sep 6, 2019, 1:06 AM

#

of course, just its more realistic, depends on the type of game you are making. Wouldnt really fit into a quake style game

azure shore Sep 6, 2019, 1:06 AM

#

tbh I would probably prefer to use projectiles, but I think its harder to make them feel natural and work well

serene sorrel Sep 6, 2019, 1:07 AM

#

has anyone done real projectiles in unreal engine? Dont know what ark uses but it can obviously bring up physics problems

warped tangle Sep 6, 2019, 1:07 AM

#

Honestly, you can get the same feel of a projectile with traces, without physics

serene sorrel Sep 6, 2019, 1:07 AM

#

go on

azure shore Sep 6, 2019, 1:08 AM

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great, Ive bloody gone and broken the shotgun spread now, of COURSE I would

warped tangle Sep 6, 2019, 1:08 AM

#

tick or timer based, move forward, calculate gravity/drag/windage, trace forward, and do it again

#

I have a system like that, fairly accurate. Honestly I got the most accuracy using set physics linear velocity on beginplay, but the trace system isn't physics based which is nice

#

and is relatively framerate independent

serene sorrel Sep 6, 2019, 1:10 AM

#

hmm

#

isnt that framerate dependent then

warped tangle Sep 6, 2019, 1:11 AM

#

basically every tick oyu trace forward your intended muzzle velocity * deltatime (if using tick) + environmental variables (gravity, drag, etc)

serene sorrel Sep 6, 2019, 1:12 AM

#

i think something like that would be fine if you could set a reliable tick rate yeah

warped tangle Sep 6, 2019, 1:13 AM

#

Yes and no, by multiplying your environmentals by deltatime, you're moving forward the proper amount per tick based on your framerate

serene sorrel Sep 6, 2019, 1:13 AM

#

right, but different frame rates, different results

#

for accurate shooting that could be annoying

scarlet birch Sep 6, 2019, 1:13 AM

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No

#

That's why you use delta time

warped tangle Sep 6, 2019, 1:14 AM

#

^^^

serene sorrel Sep 6, 2019, 1:14 AM

#

so you dont think the arc of a bullet changes with 10 updates vs 60 updates ? even if the general shape is similar?

warped tangle Sep 6, 2019, 1:14 AM

#

delta time is the time between ticks

scarlet birch Sep 6, 2019, 1:14 AM

#

That's why you use delta time

#

it gives you the amount of change between frames

warped tangle Sep 6, 2019, 1:14 AM

#

If I want to move 1000m/s, and my delta time is .01, I'm going to move 1000 * .01

scarlet birch Sep 6, 2019, 1:14 AM

#

so it is consistent at any framerate

warped tangle Sep 6, 2019, 1:15 AM

#

if my delta time is .02 (half framerate) I'm going to move 1000* .02

serene sorrel Sep 6, 2019, 1:15 AM

#

it changes the path of the bullet depending upon the updates, even if you use delta time

floral carbon Sep 6, 2019, 1:15 AM

#

who designed the way the camera moves around. it is impressively unintuitive. were all the better navigation methods copyrighted or did the UE crew just want to be different. (noob complaint)

warped tangle Sep 6, 2019, 1:15 AM

#

yes it will slightly change the fidelity of the arc, but at anything above 30 fps its unnoticeable

#

remember about the frame times we're talking about

#

60 being the standard

serene sorrel Sep 6, 2019, 1:16 AM

#

yeah i donno, you can get frame drops to single digits "Sometimes" due to background processes, in cases like that it would be significantly different

warped tangle Sep 6, 2019, 1:16 AM

#

If you framerate is single digits, you have WAY bigger issues than "hey my bullet arc isn't right"

scarlet birch Sep 6, 2019, 1:16 AM

#

This is video game 101

serene sorrel Sep 6, 2019, 1:17 AM

#

different pcs, sometimes just turning around can take you from 60fps to 30fps depending upon scene complexity, that changes bullet path vs having a pretty fixed "bullet update" rate

warped tangle Sep 6, 2019, 1:18 AM

#

your argument that using physics based projectiles is less framerate dependent than using a trace and deltatime?

serene sorrel Sep 6, 2019, 1:18 AM

#

if you can have a fixed update rate in physics (can you in UE?)

#

its at least reliable

scarlet birch Sep 6, 2019, 1:18 AM

#

this is painful

warped tangle Sep 6, 2019, 1:19 AM

#

He likes to argue, we had a good one about edge scrolling in RTS's not too long ago

scarlet birch Sep 6, 2019, 1:19 AM

#

But he usually states stuff that is less than half accurate as fact,

warped tangle Sep 6, 2019, 1:19 AM

#

Agreed

#

@azure shore back to your thing, keep going with the traces, doesn't hurt to experiment with projectiles as well, as that will end up being a gameplay feel decision on your part. Either way, it's good to get a handle on doing these traces, as you won't solely use them for projectiles in the future

serene sorrel Sep 6, 2019, 1:21 AM

#

using variable rate delta time physics for important gameplay items like bullet physics just is a bad idea. More so for a multiplayer game but it would be annoying having the bullets act different based on your frame rate and using human subjective terms like "you cant notice it" isnt a good answer. The fact is its different

scarlet birch Sep 6, 2019, 1:21 AM

#

It really comes down to the type of weapon, and it's rate of fire

#

instant hit weapons like machine guns use a trace

warped tangle Sep 6, 2019, 1:21 AM

#

@serene sorrel FFS, DeltaTime bro. Look it up

scarlet birch Sep 6, 2019, 1:22 AM

#

weapons like gernades and rockets probably use projectile movement

warped tangle Sep 6, 2019, 1:22 AM

#

Yep

serene sorrel Sep 6, 2019, 1:22 AM

#

the key world there kharvey is "delta" do you know what that means

ripe saffron Sep 6, 2019, 1:22 AM

#

yeah cause they are slow

warped tangle Sep 6, 2019, 1:23 AM

#

Yes, the delta is what makes it framerate independent. It's the change in time between the 2 frames

scarlet birch Sep 6, 2019, 1:23 AM

#

@serene sorrel Your way off base

serene sorrel Sep 6, 2019, 1:23 AM

#

it means a bullet would literally be on a different path if the delta is different, even if its approximately similar. Different. And if your gameplay revolves around realistic gun play having different results for your bullets depending upon client frame rate is silly

warped tangle Sep 6, 2019, 1:23 AM

#

You're in the minority here bro, sorry. You can do things howeeeeeeeeeever you want. That's the joy of development, but stop stating things as fact that you are being told by multiple people is wrong

#

Holy shit somebody take over here

#

I can't anymore. He doesn't understand basic math

scarlet birch Sep 6, 2019, 1:24 AM

#

Physics uses something very much like delta time for the same purpose, you substep

serene sorrel Sep 6, 2019, 1:25 AM

#

you would usually have a fixed amount of steps per second when doing anything like that, so the result is always very very similar

ripe saffron Sep 6, 2019, 1:25 AM

#

brick wall ..head ...and start banging

azure shore Sep 6, 2019, 1:25 AM

#

projectile does feel more limited tbh, my enemies use projectiles and its difficult playing with their collisions but that could just be me

warped tangle Sep 6, 2019, 1:25 AM

#

@ripe saffron LOL

#

@azure shore Projectiles have their place, and they do get used for primary weapon mechanics, but mostly get used for, as Mike stated, grenades, rockets, etc

azure shore Sep 6, 2019, 1:26 AM

#

yeah

serene sorrel Sep 6, 2019, 1:26 AM

#

@scarlet birch do the math yourself, 10 steps vs 20 steps for a ball being thrown. plot them and youll see the interpolated points on the 10 step version is different. This is basic math bro

plush yew Sep 6, 2019, 1:27 AM

#

Is there a way to replace the "On Success" and "On Fail" outputs of a "AI Move To" node by real nodes ? Because i'm using a "Move to Location" node and it don't have the "On Success" and "On Fail" outputs...

scarlet birch Sep 6, 2019, 1:27 AM

#

@serene sorrel I understand. You need to stop

warped tangle Sep 6, 2019, 1:28 AM

#

@plush yew any reason you're not using a BT?

ripe saffron Sep 6, 2019, 1:28 AM

#

@serene sorrel are you making a simulation for the army ? or a game ?

azure shore Sep 6, 2019, 1:29 AM

#

one benefit I can think of for projectiles is slow motion, but I guess theres a workaround for tracers

serene sorrel Sep 6, 2019, 1:29 AM

#

@ripe saffron reliable gunplay in a gun game is just basic stuff. This isnt hard which is why you have fixed steps per second so the bullets act the same regardless of framerate

azure shore Sep 6, 2019, 1:29 AM

#

its cool to do bullet dodges and stuff which I think works best with projectiles

serene sorrel Sep 6, 2019, 1:29 AM

#

even in a singleplayer game that would be annoying to me

warped tangle Sep 6, 2019, 1:30 AM

#

Then don't play any major games out there nowadays other than your BFF Rust, becuase you're reaaaaaaaaaally going to get annoyed

weary basalt Sep 6, 2019, 1:30 AM

#

@plush yew Not in Blueprint, C++ allows you to do that, its a custom node setup

scarlet birch Sep 6, 2019, 1:31 AM

#

@plush yew use the enum output and a switch

serene sorrel Sep 6, 2019, 1:31 AM

#

look its fine if you do it your way, i just brought up that theres issues with that. Instead of pretending there are none you could have just said "yeah i know" if you did know. Then there doesnt have to be a debate

warped tangle Sep 6, 2019, 1:31 AM

#

There's issues with every method. He was doing traces, and asking how to do them, and you come along telling him that he's effectively wrong and needs to use projectiles

scarlet birch Sep 6, 2019, 1:32 AM

#

@plush yew The results are output as an enum putting that on a switch will give you the same three execution setup

serene sorrel Sep 6, 2019, 1:32 AM

#

nah i just offered an opinion that he could do it that way. then we went into your way of doing things which i found interesting. Again if you know what i said in the future just say i know because you acted like you didnt and that you were getting educated with what i was saying

warped tangle Sep 6, 2019, 1:33 AM

#

I can guarantee you I have not been educated by anything you have said here today

serene sorrel Sep 6, 2019, 1:33 AM

#

You may want to work on your communication then

warped tangle Sep 6, 2019, 1:33 AM

#

Lol

warm swift Sep 6, 2019, 1:34 AM

#

Softball question most likely: I'm looking to make a complex volume that triggers state changes for my pawn. Everything I've tried so far triggers begin AND end overlap simply by crossing fully into or out of the volume.

Is it possible to create a custom volume that functions like the simpler collision volumes, or is this only possible with dot math and other logic to detect location?

plush yew Sep 6, 2019, 1:34 AM

#

@scarlet birch I'm gonna try it...

scarlet birch Sep 6, 2019, 1:35 AM

#

just drag off the green dot, right click and type switch

serene sorrel Sep 6, 2019, 1:35 AM

#

@warm swift is there some reason you want it like the simpler version? Think it will be performance problem or?

warm swift Sep 6, 2019, 1:36 AM

#

Performance and flexibility. I worry that some Shapes may throw the math out of whack.

#

My knowledge is limited with regard to c++ going on behind the scenes. But I assume the currently available out of the box triggers use similar math to what I'm thinking

serene sorrel Sep 6, 2019, 1:39 AM

#

From what ive seen the volume stuff is pretty performant, usually its best to worry about that if it becomes a problem rather than prematurely optimize something

#

you could do your own volumes with simple box collisions and such if you want to go that route

#

Bit of a shame chaos physics in 4.23 still has to be compiled

plush yew Sep 6, 2019, 1:43 AM

#

@scarlet birch Is it this ? 🤔

#

📎 Switch.jpg

scarlet birch Sep 6, 2019, 1:43 AM

#

yes

plush yew Sep 6, 2019, 1:44 AM

#

Ok cool

plush yew Sep 6, 2019, 2:01 AM

#

Mh, I have an error message...

#

https://gyazo.com/0b3095545a9cf0a01d5330359ec8a219

Gyazo

#

Apparently, this Move To needs imperatively a location

#

But in my case, I don't want a location, I want that it follow the main character... 😦

scarlet birch Sep 6, 2019, 2:04 AM

#

get the character, get its location, plug it in

warped tangle Sep 6, 2019, 2:08 AM

#

@plush yew there's a move to actor function as well as the move to location

plush yew Sep 6, 2019, 2:11 AM

#

Oh, fuck ! You're right ! And it has this "Filter Class" too !

#

I change it !

warped tangle Sep 6, 2019, 2:11 AM

#

They both basically do the same, you can use the move to location, and do what Mike said, just get the actors location and feed that in to the Dest

plush yew Sep 6, 2019, 2:17 AM

#

Ok

#

I changed though

#

I've just do a simulation and I have an error : https://gyazo.com/2e74c0a8fe1cca8e8ef4e1d31c98c368

Gyazo

#

( My NPC don't follow the main character )

#

My BP : https://gyazo.com/1c5ad914ecfc893f01f255895ee2f7af

Gyazo

#

Uh ! I forget to connect 2 nodes !

dim plover Sep 6, 2019, 2:22 AM

#

I'm not sure where to ask this,
but when traveling (seamless), do the GameState's properties get transferred from the old GameState to the new one?
Because I'm pretty sure this is happening and I don't know where to look to confirm this.

plush yew Sep 6, 2019, 2:23 AM

#

( Fuck ! Same error... It doesn't change nothing... 😕 )

warped tangle Sep 6, 2019, 2:24 AM

#

did you give it a reference to your playerchar

#

also, you're not executing the switch statement

scarlet birch Sep 6, 2019, 2:26 AM

#

Make sure you're checking that the reference is valid

#

and that you're setting the reference

warped tangle Sep 6, 2019, 2:26 AM

#

yeah according to that screenshot there's no goal actor

scarlet birch Sep 6, 2019, 2:27 AM

#

and you are using it only after the AI controller possess the pawn. Ideally the AI stuff would be in the controller

warped tangle Sep 6, 2019, 2:27 AM

#

^^

plush yew Sep 6, 2019, 2:30 AM

#

Ah !

#

It's because it was a "Pawn" pin in my first "Move To" (the "AI Move To") :

#

https://gyazo.com/00a2f88b1b8640f7057771e83a56e854

Gyazo

#

But there is not on the "Move To Actor" ............

warped tangle Sep 6, 2019, 2:33 AM

#

📎 unknown.png

#

Move to actor has a goal actor...you have to tell it where to go

plush yew Sep 6, 2019, 2:34 AM

#

oh you're right ! It's same ! What an idiot ! 😆

warped tangle Sep 6, 2019, 2:35 AM

#

And as mike suggested, you may want to do an isvalid on the player pawn reference (and make sure you're actually setting that reference somewhere)

#

you can also right click on the reference and convert to validated get

plush yew Sep 6, 2019, 2:37 AM

#

I presume that I must to do a Cast To also ? (because the main char is in another BP ?

scarlet birch Sep 6, 2019, 2:37 AM

#

no

#

You're not trying to access anything that is specific to the child class so no need to cast

plush yew Sep 6, 2019, 2:38 AM

#

I see

#

.. but I see only "Cast To" to go towards my main character (his BP is named "ThirdPersonCharacter") :

#

📎 Goal.jpg

warped tangle Sep 6, 2019, 2:43 AM

#

If you make the variable of type "Actor", you don't need to cast

#

I'm assuming you're variable type is "ThirdPersonCharacter"

#

also, you can't right click in the event graph and search for "ThirdPersonCharacter"

#

you need to do getplayerpawn or something along those lines to get a reference to the player pawn

plush yew Sep 6, 2019, 2:49 AM

#

Ok

#

So..

#

I've just created this variable (with a type of "Character object reference")

warped tangle Sep 6, 2019, 2:52 AM

#

It needs to be actor reference. If you want to make it of type thirdpersoncharacter you can, you just have to cast to thirdpersoncharacter in that case

plush yew Sep 6, 2019, 2:54 AM

#

Ok

#

Let's go for an actor reference

#

So I just put it in the goal's pin of the Move To :

#

https://gyazo.com/7058b2db5a709cfc6de8816cd41be8d0

Gyazo

#

I also must do add the "getplayerpawn" ?

scarlet birch Sep 6, 2019, 2:56 AM

#

I'd move that acceptance radius up to at least the same as the player capsule or even 2-4x that.

warped tangle Sep 6, 2019, 2:56 AM

#

I'm going to repeat this to save you some headache, you need to be getting an actual reference to the playerpawn and setting that variable or it's not going to work

scarlet birch Sep 6, 2019, 2:57 AM

#

Just plug in a "get player pawn and be done

warped tangle Sep 6, 2019, 2:57 AM

#

lol yeah

plush yew Sep 6, 2019, 2:59 AM

#

@scarlet birch Like that ? https://gyazo.com/1c707a0ec7dbc30c19f7666753f1b95f

Gyazo

scarlet birch Sep 6, 2019, 3:00 AM

#

sure

plush yew Sep 6, 2019, 3:00 AM

#

But I can't connect the "Third Person Character" to the Get Player Pawn

scarlet birch Sep 6, 2019, 3:00 AM

#

You don't need to

plush yew Sep 6, 2019, 3:00 AM

#

So the Player Index pin stays like this, ok !

warped tangle Sep 6, 2019, 3:01 AM

#

that will work for the first local player pawn

scarlet birch Sep 6, 2019, 3:01 AM

#

Player index is the index for the player controller for this it will be 0

plush yew Sep 6, 2019, 3:02 AM

#

Ok, I understand

#

Let's test it !

#

Ok, still the same error message : https://gyazo.com/bc2f0e4b4ad93b8547b98e5685230a51

Gyazo

#

I presume it's because I don't set the variable

warped tangle Sep 6, 2019, 3:04 AM

#

you're not using the variable though right? You plugged get playerpawn right in

#

are you simulating or playing?

scarlet birch Sep 6, 2019, 3:04 AM

#

It's saying it's not getting an ai controller

#

Do you have one?

warped tangle Sep 6, 2019, 3:04 AM

#

how can you read that lol

plush yew Sep 6, 2019, 3:04 AM

#

playing

warped tangle Sep 6, 2019, 3:04 AM

#

ignore my question, Mike knows whats up

plush yew Sep 6, 2019, 3:05 AM

#

ok ^^

scarlet birch Sep 6, 2019, 3:05 AM

#

I'm not sure I do

warped tangle Sep 6, 2019, 3:05 AM

#

If that's what the error is saying then there's probably not an ai controller, or the AI actor isn't set to use the ai controller

plush yew Sep 6, 2019, 3:09 AM

#

I have the Move To which says "Target is AIController" (this was not written with my old AI Move To)

#

and I added "Get AI Controller" to the target

warped tangle Sep 6, 2019, 3:10 AM

#

but is that AI actor told to use an ai controller?

#

📎 unknown.png

scarlet birch Sep 6, 2019, 3:12 AM

#

Ah, look at the old screen shot, you have followed actor -> get ai controller

#

probably needs to be a ref to self or something

warped tangle Sep 6, 2019, 3:12 AM

#

is followed actor a reference to self? you can just use self -> getaicontroller

plush yew Sep 6, 2019, 3:16 AM

#

this "followed actor" variable is a way to make the BP more, mh... "versatile" (not sure of the word in english ^^)

#

smart...

#

but yeah

#

guess it's more simple to just to getaicontroller > self

warped tangle Sep 6, 2019, 3:17 AM

#

you have it backwards, it would be self -> getaicontroller

plush yew Sep 6, 2019, 3:17 AM

#

( someone helped me to do this code 😉 )

#

Is it correct ? :

#

https://gyazo.com/da2ac609eead988bd5aba46550ddc760

Gyazo

warped tangle Sep 6, 2019, 3:20 AM

#

just right click and type self or this

#

not sure what that self actor variable is

plush yew Sep 6, 2019, 3:22 AM

#

I have only this...

#

📎 Self.jpg

warped tangle Sep 6, 2019, 3:24 AM

#

are you dragging off something? you should have something like this

#

📎 unknown.png

plush yew Sep 6, 2019, 3:25 AM

#

Oh I see

#

that's because you uncheck Context Sensitive

#

I have too 😉

mellow gale Sep 6, 2019, 3:26 AM

#

I want to have a surface, an in-game screen, play a live stream from twitch, and I'm not sure how to go about it.

warped tangle Sep 6, 2019, 3:26 AM

#

it will work with context sensitivity on as well

#

📎 unknown.png

plush yew Sep 6, 2019, 3:29 AM

#

You're right... It was because I was dragging the pin

#

but ...

#

📎 Self_2.jpg

#

I can"t connect the pin... 😫

warped tangle Sep 6, 2019, 3:30 AM

#

...what class does your AI actor inherit from?

#

in the top right corner, what does it say

📎 unknown.png

plush yew Sep 6, 2019, 3:31 AM

#

Mh

#

In fact

#

The BP of the bot itself is an actor component but I have a "complementary" BP (with the following function) in "actor component"

untold epoch Sep 6, 2019, 3:33 AM

#

Hello, Is it possitble to control the pawn in a transition map?

warped tangle Sep 6, 2019, 3:33 AM

#

It should inherit from Pawn at minimum

plush yew Sep 6, 2019, 3:33 AM

#

🤔

warped tangle Sep 6, 2019, 3:34 AM

#

I don't believe Actors can be possessed by AI controllers, just as they can't be possessed by a player controller

plush yew Sep 6, 2019, 3:36 AM

#

Mh... Well... I've just try with the "Self ACTOR"

#

https://gyazo.com/3ef4f2399e18af8a4edc974713ebc0ef

Gyazo

▶ Play video

#

... and it seems to work... o_O

warped tangle Sep 6, 2019, 3:37 AM

#

there you go then

plush yew Sep 6, 2019, 3:37 AM

#

cool !

warped tangle Sep 6, 2019, 3:37 AM

#

obviously I don't know the layout of your BPs

plush yew Sep 6, 2019, 3:37 AM

#

(I don't still tested the NavFilter though ^^ )

#

( it worked with the Move To Location but I still must see with this Move To Actor ... )

#

@warped tangle Yeah, it's the my "CompagnonComponent" BP which manage my bot, in fact

#

but I could have some difficulties to explain this myself

warped tangle Sep 6, 2019, 3:41 AM

#

well as long as it works

plush yew Sep 6, 2019, 3:41 AM

#

Yeah, cool !

#

Thanks to you and @scarlet birch 🙂

#

It's left for me to add the NavModifier and the filters but I will do tomorow ^^

warped tangle Sep 6, 2019, 3:43 AM

#

@mellow gale You're probably looking for the Web Browser plugin. You have to enable it, then you get access in UMG

plush yew Sep 6, 2019, 3:44 AM

#

👋

mellow gale Sep 6, 2019, 3:44 AM

#

I'm really new at UE4. I was using the source engine, but this seems to be a better, more capable choice.

warped tangle Sep 6, 2019, 3:47 AM

#

look in to the web browser plugin and 3d widget component. That should give you what you're looking for

lavish glacier Sep 6, 2019, 3:54 AM

#

chaos is pretty cool

mellow gale Sep 6, 2019, 3:58 AM

#

Thanks!

chilly gale Sep 6, 2019, 4:41 AM

#

Kia ora

Can somebody explain this please, it tends to happen if I rename a level

Can't save U:/Unreal Projects/Data/Annwyn_Island 4.13/Content/_Data/Scenes/Annwyn_Map.umap: Graph is linked to private object(s) in an external package.
External Object(s):
Texture2D_130_BaseColor
Texture2D_141_BaseColor
Texture2D_154_BaseColor
Texture2D_166_BaseColor
Texture2D_179_BaseColor
...

Try to find the chain of references to that object (may take some time)?

copper elk Sep 6, 2019, 5:42 AM

#

I am trying to make a healing potion that will only activate if the player isn't on max health, but I cannot figure it out. I will send some screenshots in a few hours as I have skl

warped tangle Sep 6, 2019, 5:46 AM

#

where is your health variable stored, just get a reference to that, check if it's != to maxHealth or whatever

scarlet birch Sep 6, 2019, 7:19 AM

#

Anyone know what might cause some trees placed with procedural foliage to not render in PIE? Their collision is still there but nothing is rendered.

#

I'm crashing soon. If anyone has any ideas please mention me so I see it.

lunar depot Sep 6, 2019, 7:58 AM

#

New: Storing Custom Per-Primitive Data
We now support storing data on a per-primitive level instead of per-Material Instance, enabling primitives to be automatically considered for dynamic instance drawing.

Storing data with Use Custom Primitive Data per-primitive has the advantage of lowering the number of draw calls required for similar geometry, even if each primitive were to have to have its own custom data.

#

this is new feature in ue 4.23

#

how do I use this ??

#

how do i save per primitve data ??

warped tangle Sep 6, 2019, 8:08 AM

#

@scarlet birch draw distance? about the only thing I can think of off hand

placid arrow Sep 6, 2019, 8:58 AM

#

last night i learned: blueprint interface definitions rock. that is all.

#

i managed to build a unified AI system that works with any skeleton, with a complex animation blueprint, and by putting an interface onto the animation blueprints, any differing type of skeletal mesh and set of animations can present the same set of functions and be identified easily as supporting it.

#

@scarlet birch there are many causes. you could have a set of nodes in the material that fade it out over distance

#

or, you could have a cull distance volume

#

or there could just be a delay

#

on my machine, foliage thats rendered immediately when in editor editing, takes upwards of 30 seconds to actually appear in game when i run PIE

#

its been that way for me since 4.8

polar viper Sep 6, 2019, 9:04 AM

#

Any advice on getting the best static collisions? I'm playing around with a old enviroment model from 2003 and the models collisions aren't the best when i did max hulls etc

silent frost Sep 6, 2019, 9:09 AM

#

Any ideas please on why the collision fails when hitting from the side, but not straight on, and causing the player to ride up and over? Stumped 😦

📎 2019-09-06_09-56-45_Trim.mp4

low valve Sep 6, 2019, 9:12 AM

#

Where can i find the quixel megascans plugin for UE4?

wary wave Sep 6, 2019, 9:16 AM

#

https://github.com/Quixel/Megascans-UE4LiveLink

GitHub

Quixel/Megascans-UE4LiveLink

The Megascans LiveLink for UE4 lets you easily integrate Megascans into your pipeline by providing out-of-the-box material setups, automatic imports, custom blend materials, and more. - Quixel/Meg...

#

that took 2 seconds in google?

low valve Sep 6, 2019, 9:18 AM

#

i found that, but i wasnt sure if it was the official one to use or not

#

since i also found this https://support.quixel.se/hc/en-us/articles/206750179-Is-there-a-UE4-plugin-

Quixel Suite

Is there a UE4 plugin?

The UE4 plugin is currently not part of the build (it's being revamped). It will come back shortly!

Tags: SUITE, UE4, Unreal Engine 4, Plugin, Coming Soon

wary wave Sep 6, 2019, 9:19 AM

#

yeah, seems like it's not included in their software by default, but you should still be able to use the Github thingo

low valve Sep 6, 2019, 9:20 AM

#

cool, thanks

static raft Sep 6, 2019, 9:26 AM

#

Hey guys, anyone that can help me with a few questions about force/rotation using physics on a static mesh? 😄

cloud cobalt Sep 6, 2019, 9:57 AM

#

Depends on what it's doing, but no, it doesn't have to be opt in if it's not personal data

copper flicker Sep 6, 2019, 10:06 AM

#

so I tried bringing my old menu system into my new project..

#

and a bunch of children don't open up cuz they lost their parent.

#

so I guess I'm making a new menu system..

#

and I was wondering if there's a way to use the cursor hover and click with Gamepads

#

I'd like to simplify the madness from my prev project, and have hover-based menus

#

it might be nice if I could move the cursor with the gamepad..

#

but then.. I guess the trickier thing would be to click

#

without a mouse..

#

O o

#

does anyone know if this is possible?

dim merlin Sep 6, 2019, 10:35 AM

#

Hi, im placing meshes at runtime, and when creating a new one, it takes a little time to load, is there any way to preload these assets?

dim arch Sep 6, 2019, 10:37 AM

#

well it depends on the use case

#

you could spawn one, set it hidden in game, and then unhide it when it's used, it's always going to take time to spawn a new actor and draw it

#

not sure what the tradeoff is between just unhiding an already existing actor and creating a new one but its probably a bit quicker

north monolith Sep 6, 2019, 10:47 AM

#

I have a silly question. Is it harder to create/implement games like fornite, at that size, for mobile or is it easier to create it for PC?

serene birch Sep 6, 2019, 10:50 AM

#

everything is harder for mobile

#

unless your game is touch screen oriented I guess

green phoenix Sep 6, 2019, 10:51 AM

#

Guys I'm having so much troubles with a project I'm working on, I don't want to spam the chat so I made a google doc with my question, if any of you want to have a look, I would really apreciate any kind of help, here is the link: https://docs.google.com/document/d/10fix9IbHtMke1PhMAhBxmoGYnZHB83HbSXuiYXbtmAA/edit?usp=sharing

Google Docs

question

I’m trying to create a tool that paints information from waypoints, so basically I want to use it to paint a mask/texture that follows the roads. I’ve achieved this result so far, I’m able to read the waypoints and paint a mask in one color, depending on the format of ...

#

feel free to dm me, I'm so lost! hahaha

plush yew Sep 6, 2019, 10:55 AM

#

wait how do i use that new destruction system i have v23

#

im kinda dumb

warped tangle Sep 6, 2019, 10:58 AM

#

google it, there's info out there

plush yew Sep 6, 2019, 11:03 AM

#

oh

#

ty i found it

#

https://docs.unrealengine.com/en-US/Engine/Chaos/ChaosDestruction/ChaosDestructionOverview/index.html

Chaos Destruction Overview

Overview of the Chaos Destruction tools that are available and how they work together to create destruction in UE4.

#

or not

warped tangle Sep 6, 2019, 11:09 AM

#

📎 unknown.png

#

that's probably where your hang up is

plush yew Sep 6, 2019, 11:09 AM

#

wait

#

is this the right page?

#

https://github.com/EpicGames/UnrealEngine

#

cause i dont see the same files

warped tangle Sep 6, 2019, 11:10 AM

#

haven't done it myself yet, so not sure

plush yew Sep 6, 2019, 11:10 AM

#

rip

#

cant wait to test it

#

looks better than bfv

#

lmao i cant even edit my cs

#

got it workin

mint sequoia Sep 6, 2019, 11:24 AM

#

So I reported the bug where if you have a BP exposed TArray<FMyStruct> where FMyStruct has a TMap<anything,anything> it crashes the editor in 4.23 but as expected they can't reproduce it. They asked me for sample code/project and I'm just like... how much time do I need to invest so you can fix your engine when you really should be escalating such a critical bug to someone who can fix it

#

How does anyone without UDN access expect to report bugs and stay sane

serene birch Sep 6, 2019, 11:27 AM

#

bug triage is pretty standard

#

you can't have engineers spend THAT much time hunting for a bug they cannot even reproduce

mint sequoia Sep 6, 2019, 11:28 AM

#

What engineers, lol, if they were 'engineers' they would be able to make a C++ actor, struct, and TMap

#

Without asking me to do it

mossy nymph Sep 6, 2019, 11:29 AM

#

that assumes that the bug doesn't involve a blueprint and upgrading a UE version

mint sequoia Sep 6, 2019, 11:29 AM

#

I've already gone through the hoops, this makes a total of 3 severe bugs I've reported where they just leave them in the engine because the people are gatekeeping you from actual support

serene birch Sep 6, 2019, 11:29 AM

#

yeah, if they cannot reproduce it, it means they don't have enough info/are missing something crucial

mint sequoia Sep 6, 2019, 11:29 AM

#

Or don't know what they're doing and exist solely to prevent you getting to people who do

mossy nymph Sep 6, 2019, 11:30 AM

#

all of the bugs i eventually had to work around involved blueprint serialization in some way

#

and most of them happened after version upgrades

mint sequoia Sep 6, 2019, 11:33 AM

#

@mossy nymph I don't have the original reproduction steps I gave them since you don't get a copy of the report, but it went something like this

Make a blank C++ project in UE4.23 (release, not preview)
Subclass AActor and add a BP exposed struct to that same file
Add a UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Actor) TMap<int32, float> to the struct
Add a UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Actor) TArray of the new struct
Compile, open the editor
Make a blueprint from your new actor
Open it up and click the + for TArray and then the TMap, editor crashes

#

The guy didn't even say what his trouble was

#

He didn't tell me "I did the steps and there was no crash" or anything like that

plush yew Sep 6, 2019, 11:37 AM

#

i got the destruction thing on but wont show

plain gazelle Sep 6, 2019, 12:08 PM

#

Anyone else having issues creating projects based on the Epic game examples, like shooter game and vehicle game?

wary wave Sep 6, 2019, 12:10 PM

#

yes, everyone - you're like the fourth or fifth person to mention it today :p

#

something is broken

plain gazelle Sep 6, 2019, 12:11 PM

#

ok, I'm glad I'm not alone.

loud knoll Sep 6, 2019, 12:38 PM

#

easy question: I want to bring my color palette over to 4.23 from previous version of the engine where is that file located so I dont have create all the colors again?

wary wave Sep 6, 2019, 12:38 PM

#

I would assume it's in the config files somewhere

plain gazelle Sep 6, 2019, 12:40 PM

#

Config of Content, is it part of the engine or the project?

wary wave Sep 6, 2019, 12:41 PM

#

project

loud knoll Sep 6, 2019, 12:46 PM

#

@wary wave Not sure I have looked all over to see a way to export it or find something with an updated time stamp based on adding another color to the list

willow void Sep 6, 2019, 12:56 PM

#

Any idea whats wrong GWseremePeepoThink After build

📎 adadadadaadad.PNG

warped tangle Sep 6, 2019, 12:57 PM

#

Anybody gotten this DX12 crash before? I'm opening a material in a marketplace asset. Crashes every time

📎 unknown.png

#

Only thing I could find on the google was DX12 with forward shading can cause it

loud knoll Sep 6, 2019, 1:02 PM

#

DX12 is and RT is all WIP code all bets are off.

mighty field Sep 6, 2019, 1:05 PM

#

@willow void lightmap resolution on the ground is too low

cloud cobalt Sep 6, 2019, 1:06 PM

#

@warped tangle You'd need to install the engine debug symbols to know more

#

But really, you should take it up to the author.

warped tangle Sep 6, 2019, 1:06 PM

#

I'm going to, for the time being I'm using a material instance with no issues while I build my own material for it

cloud cobalt Sep 6, 2019, 1:07 PM

#

In any case, I wouldn't use DX12 on forward

#

There's no point, is it ?

warped tangle Sep 6, 2019, 1:07 PM

#

valid, I suppose I could force DX11

cloud cobalt Sep 6, 2019, 1:08 PM

#

What do you mean force ?

#

It's the default

#

DX11 is more stable, faster, and DX12 brings nothing in forward rendering

warped tangle Sep 6, 2019, 1:10 PM

#

changing the default RHI from "Default" to DX11, no more crash

#

📎 unknown.png

loud knoll Sep 6, 2019, 1:13 PM

#

@warped tangle You have made a wise choice. DX12 was added to force people to switch over to windows 10 most people cant even fully take advantage of DX11 advanced features.

warped tangle Sep 6, 2019, 1:13 PM

#

I'll be completely honest, I didn't even pay attention to that nor realize that it defaulted to DX12. This is the first crash I have gotten with DX12 referenced anywhere

#

Learn something new every....~5-10 minutes lol

loud knoll Sep 6, 2019, 1:14 PM

#

@warped tangle That is the magic of game development 🙂

warped tangle Sep 6, 2019, 1:14 PM

#

Solo Dev Life

#

And I love it

#

can I expect performance improvements with DX11?

loud knoll Sep 6, 2019, 1:15 PM

#

I just learned that I should turn on the output log when I am running my game to see BP errors

quartz lion Sep 6, 2019, 1:16 PM

#

In UE4 I have 256 UProceduralMeshComponents, which render slowly. But 1 big mesh which is all 256 stuck together, renders pretty fast. Is that to be expected? 256 doesn't seem like a lot to me.

warped tangle Sep 6, 2019, 1:16 PM

#

Yep I have that up all the time

loud knoll Sep 6, 2019, 1:17 PM

#

@quartz lion Not sure does each mesh component create a new draw call? If so 256 extra might be putting you over the limit not sure

#

1 Object of made up of 256 seperate objects might be treated as one draw call.

quartz lion Sep 6, 2019, 1:18 PM

#

hmm, I dunno. Not sure I can get that low level

#

it's 1 actor with 256 components.

#

quite a lot of vertices overall

loud knoll Sep 6, 2019, 1:19 PM

#

you might want to ask in rendering I am not sure how those objects are treated

quartz lion Sep 6, 2019, 1:19 PM

#

okie dokes

loud knoll Sep 6, 2019, 1:20 PM

#

You might want to see if you see improvement if you group the 256 into 128 then 64 see if you see progress that is my designer way of figuring out things like that.

quartz lion Sep 6, 2019, 1:22 PM

#

I have. It gets faster the fewer components I use. But that gets slower to update.

potent wing Sep 6, 2019, 1:48 PM

#

Need help, i cannot click on buttons on my main menu widget?

#

I already tried set game mode to game and ui only

#

Its still not working

warped tangle Sep 6, 2019, 1:49 PM

#

need way more info, was it working before and stopped working? Is this the first time you've gotten the main menu up?

potent wing Sep 6, 2019, 1:50 PM

#

It doesnt work at all, and no this is not my first time doing main menu stuff

warped tangle Sep 6, 2019, 1:53 PM

#

@loud knoll here's one for you....since switching the default RHI to DX11, I'm getting 10 or less FPS, but I have no bottleneck and my scene time is 7.72ms

#

📎 unknown.png

#

It worked fine the first few times, now I'm getting odd behavior

thorn vector Sep 6, 2019, 1:55 PM

#

hey guys i thinking of buying this system for my project and what you guys opinion of it https://www.unrealengine.com/marketplace/en-US/slug/arpg-inventory-system# and is there a better version or better kit

Action RPG Inventory System by Vanguard Interactive in Blueprints ...

The Action RPG Inventory System is a multiplayer supported inventory management system featuring equip-able and usable items. It can be used in single-player and multiplayer projects, regardless of your game theme and UI design.

#

im trying to get the best bang for the bucks

static viper Sep 6, 2019, 1:57 PM

#

yee pirate made a good system

thorn vector Sep 6, 2019, 1:57 PM

#

what u mean by pirate?

static viper Sep 6, 2019, 1:57 PM

#

thats the name of the author

thorn vector Sep 6, 2019, 1:58 PM

#

ouh i thought u said the kit is piraating from another project

potent wing Sep 6, 2019, 1:58 PM

#

@thorn vector to be honest, you can take the inventory system of DYNAMIC COMBAT SYSTEM which is the last free for the month asset, or you can just build complete inventory system yourself, theres tons of tutorial on youtubes

static viper Sep 6, 2019, 1:58 PM

#

the best thing todo is to write it all by yourself.

thorn vector Sep 6, 2019, 1:58 PM

#

i saw lots of comment in the store page telling its really hard and really confusing to merge in their own project and the doc isnt well documented

static viper Sep 6, 2019, 1:59 PM

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these people are stupid then

#

100% stupid

#

its an highly advanced inventory system

#

ofc it isnt easy to merge...

warped tangle Sep 6, 2019, 1:59 PM

#

well let's go with 99.9% stupid....

#

and .1% insane

static viper Sep 6, 2019, 1:59 PM

#

ok 99%.

#

yee 1% tryhards.

thorn vector Sep 6, 2019, 1:59 PM

#

does the creator have a discord group would like to get his guidance on my journey merging in my project

warped tangle Sep 6, 2019, 1:59 PM

#

LOL

#

I thought it was spelled "blowhard"

static viper Sep 6, 2019, 2:00 PM

#

just take what ever system yo9u have khai

#

and delete it.

#

then put this system in your project

#

and start working on it

#

thia is not "click your game together"

warped tangle Sep 6, 2019, 2:00 PM

#

and don't just toss it in and expect it to work, learn how it works

static viper Sep 6, 2019, 2:01 PM

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and i know the author. Hes a nice dude.

thorn vector Sep 6, 2019, 2:01 PM

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yeah that what i expect to do of course 🙂

#

does he have a discord group for his product or do u know his discord tag?

static viper Sep 6, 2019, 2:02 PM

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^^ it says in the description of the asset.

#

have fun.

thorn vector Sep 6, 2019, 2:02 PM

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do u guys have experience using the kit?

static viper Sep 6, 2019, 2:03 PM

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there is a whole marketplace thread about it.

#

there you can ask questions

thorn vector Sep 6, 2019, 2:03 PM

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ouh thanks man now im really convinced to buy it

#

😅

static viper Sep 6, 2019, 2:04 PM

#

you can always refund it man

thorn vector Sep 6, 2019, 2:07 PM

#

just bought it now i wanna dive in @static viper i sent u a friend request

static viper Sep 6, 2019, 2:07 PM

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dont sent me friend requests again ^^ i hate people

warped tangle Sep 6, 2019, 2:08 PM

#

you're saltier than a cup-of-noodles

thorn vector Sep 6, 2019, 2:11 PM

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crying tears

plush yew Sep 6, 2019, 2:12 PM

#

yo

static viper Sep 6, 2019, 2:12 PM

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its not personal.

plush yew Sep 6, 2019, 2:12 PM

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yo is ue 4 . 23 stable

#

is it okay if i down it now

warped tangle Sep 6, 2019, 2:12 PM

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if it says anything under .2 at the end, probably no

plush yew Sep 6, 2019, 2:12 PM

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sorry for the noob q

loud knoll Sep 6, 2019, 2:13 PM

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I found where the colors are stored for your project so you ever lose them or switch engine just check Saved/Config/Windows/EditorPerProjectUserSettings.ini

potent wing Sep 6, 2019, 2:17 PM

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What is the difference between "clicked" and "pressed"? I just fix my problem, and the problem is i use click instead of pressed? Im so confused now, i think i use "click" every single time and its all working fine

loud knoll Sep 6, 2019, 2:17 PM

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Looks like a UMG question

static viper Sep 6, 2019, 2:20 PM

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pressed means you click on it and then hold

#

click mean you click

#

one happens on release

#

one on touch

polar viper Sep 6, 2019, 2:29 PM

#

Any advice on getting the best static collisions? I'm playing around with a old enviroment model from 2003 and the models collisions aren't the best when i did max hulls etc

loud knoll Sep 6, 2019, 2:56 PM

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@polar viper you can use prims and manually edit them or you can use complex collision

#

Testing 4.23 I clicked quality low in the editor preview settings and triggered rebuilding all shaders I dont remember this happening before in previous versions.

#

Only happens the first time

grim ore Sep 6, 2019, 3:00 PM

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it does, its normal as the difference between low and high normally require a recompile

loud knoll Sep 6, 2019, 3:01 PM

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@grim ore Roger that! How is the hero of the people doing today? When are we getting some Chaos tutorials?

polar viper Sep 6, 2019, 3:09 PM

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@loud knoll would high or low poly models make any difference or quad or tris?

loud knoll Sep 6, 2019, 3:09 PM

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Everything should be converted to tris when it is exported

#

so you dont have to worry about that

#

if it is in the engine it is tris

polar viper Sep 6, 2019, 3:10 PM

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Okay. I'm doing my honors degree and my lecturer talked me into using ue4 as another skill to learn

#

So i have to model my environment then put it into ue4

loud knoll Sep 6, 2019, 3:11 PM

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You have made a wise choice

polar viper Sep 6, 2019, 3:12 PM

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My renders last year took 20 computers and 2 weeks 🙃

loud knoll Sep 6, 2019, 3:12 PM

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The collision that you are getting automaticly generated should be good enough for environment how tight and clean it is depends on how it is being used, Spheres are the fast to calcuate over any others so if you can use Spheres for everything you are saving processing power

#

Yeah you want that to be rendering 60 x per second now so it is a great thing to learn

polar viper Sep 6, 2019, 3:15 PM

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I would rather do complex just so it's much better to walk around in without any glitches

I'm made to render at 25fps and i like 25 fps

mortal cedar Sep 6, 2019, 3:16 PM

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you might want to post on the official unreal forums, or make a bug report or something haha

#

maybe make a post to the answerhub under "everything else"

loud knoll Sep 6, 2019, 3:18 PM

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@polar viper if you are producing a movie that is great but 60FPS has much better feel for the user.

polar viper Sep 6, 2019, 3:18 PM

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It's going to be a animation and a game so the animation will be 25fps and game is 60

loud knoll Sep 6, 2019, 3:18 PM

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@polar viper you have a link for your previous movie you rendered out?

#

pm me with it if you dont want it public

#

@polar viper yeah that makes sense

polar viper Sep 6, 2019, 3:22 PM

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I need to find it first 😂

loud knoll Sep 6, 2019, 3:22 PM

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I am amazed by the progress of Unreal being used for previz and movies when I was at dreamworks I was using Unreal 3 and the tools are so much better now, I wouldnt have to break the models to get them to render.

polar viper Sep 6, 2019, 3:23 PM

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I'm surprised with the rendering

#

It can take me 4 hours to render 1 frame

ember cliff Sep 6, 2019, 3:24 PM

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What is the process for reporting a bug that was fixed but has reappeared? https://issues.unrealengine.com/issue/UE-16688

polar viper Sep 6, 2019, 3:24 PM

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Or 90 for 1 frame

loud knoll Sep 6, 2019, 3:25 PM

#

I spent days trying to get each part of the model under the poly limit to then rebuild the entire scene in the engine to figure out how to get movie content into a game engine but eventually we had command line linux commands that would just break it up by scene and then make a nice package to do previz but it took about a year to get that all working

#

@ember cliff Post it on the Epic site bug reporting you might has well create a new bug and reference the old one.

#

Nobody here can help you

ember cliff Sep 6, 2019, 3:26 PM

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I figured, I was hoping there was an easy way to get attention to the bug without creating a new report.

#

Thanks

polar viper Sep 6, 2019, 3:27 PM

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Wow. I kinda want the hull count, max hull vert and hull precision to go higher

loud knoll Sep 6, 2019, 3:28 PM

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@ember cliff I am not sure I just reported a bug in the Epic Unreal content in 4.23 so something got missed it is in the Toturial

ember cliff Sep 6, 2019, 3:28 PM

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?

loud knoll Sep 6, 2019, 3:29 PM

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@ember cliff It dosen't surprise me that bugs that were fixed are repearing

copper elk Sep 6, 2019, 3:30 PM

#

I am trying to make a healing potion that will only activate if the player isn't on max health, but I cannot figure it out.

#

I also want to make it so the longer you hold down E the more you get healed

#

but there is a cap on how long you can hold it down for

#

I will send screenshots in a few minutes

#

📎 unknown.png

#

📎 unknown.png

#

📎 unknown.png

#

📎 unknown.png

#

I have Z to make it so I get -10 HP and it works

#

displays in HUD and its updated and all that

#

but I cannot get it to heal

#

📎 unknown.png

mint sequoia Sep 6, 2019, 3:54 PM

#

"May not be prioritized or fixed soon" - is this something they say by default when filing a bug report? Because.. its pretty damn serious https://issues.unrealengine.com/issue/UE-79917

wary wave Sep 6, 2019, 3:57 PM

#

it means they're not going to fix it any time soon

#

if at all

mint sequoia Sep 6, 2019, 3:57 PM

#

So we've just lost the ability to have a TArray of structs containing TMaps, that's hilarious

scarlet birch Sep 6, 2019, 3:58 PM

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@copper elk Select the first branch in your ability1 and press F9 to add a break, then try it out. If the break triggers then you know it made it to that branch. Push F9 on the node again to remove the break and go to the next branch and do the same process. Once you find a point it is not making it to then figure out why

mint sequoia Sep 6, 2019, 3:58 PM

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They just broke a significant amount of games

#

😐

wary wave Sep 6, 2019, 3:58 PM

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yup

mint sequoia Sep 6, 2019, 3:58 PM

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Stone walled <=4.22

wary wave Sep 6, 2019, 3:58 PM

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I'm glad you caught it before we did in one of the projects here :p

#

now that code can be rewritten prior to updating

mint sequoia Sep 6, 2019, 4:00 PM

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I basically just emailed him back and told him he should prioritize it lol

#

Its pretty 🤦

copper elk Sep 6, 2019, 4:04 PM

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@scarlet birch I have fixed it and everything is working

#

but yesterday I made a progress bar in my HUD and I would like to Cap the healing but Idk how

#

this is my HUD binding to my progress bar

#

📎 unknown.png

#

and im not sure what to do from there

#

I want it capped at 500

scarlet birch Sep 6, 2019, 4:05 PM

#

progress bars are normally scaled from 0 to 1

copper elk Sep 6, 2019, 4:05 PM

#

I know that

#

I tried dividing by 500 yesterday and it was working fine but now that the heal is fixed I need it capped

#

wait

scarlet birch Sep 6, 2019, 4:07 PM

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Current health/ max health = bar fill? I'm not sure I get what you're missing

copper elk Sep 6, 2019, 4:07 PM

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nvm

#

thats not the issue

#

sos Im braindead

scarlet birch Sep 6, 2019, 4:07 PM

#

It happens

copper elk Sep 6, 2019, 4:07 PM

#

basically I have an ability right

#

so its a progress bar

#

and I have another ability that works just fine so I sorta know what Im doing

#

but Im stuff on the first ability

#

after realising the cooldown starts

#

and the progress bar is not filling up until it hits the 1 - 0 mark

#

this is what I mean

#

📎 unknown.png

#

the right ability is the one that works fine

scarlet birch Sep 6, 2019, 4:10 PM

#

can you show where you set the fill value

copper elk Sep 6, 2019, 4:10 PM

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its at 10 seconds and its going down at the right rate

#

but the lft one doesnt

#

here u go

#

📎 unknown.png

#

📎 unknown.png

#

its a binding

scarlet birch Sep 6, 2019, 4:11 PM

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What's it bound to?

copper elk Sep 6, 2019, 4:11 PM

#

📎 unknown.png

#

📎 unknown.png

#

the left one

#

the broken one

scarlet birch Sep 6, 2019, 4:12 PM

#

I've not used that binding before, is it bound to a function result? if so can you share that function

copper elk Sep 6, 2019, 4:13 PM

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its a progress bar

#

and its bound to a function yes

scarlet birch Sep 6, 2019, 4:13 PM

#

I mean I have always bound to a variable and the symbol looked like a function

abstract relic Sep 6, 2019, 4:14 PM

#

A rather interesting approach setting a character var in a binding

radiant haven Sep 6, 2019, 4:14 PM

#

Hey guys, can someone help me that AI moves to player after I trigger a trigger

copper elk Sep 6, 2019, 4:15 PM

#

but my HP is above 100 so I need to divide it by 500 to display it properly and that works but now that the heal is implemented the timer has broken and the bar only fills up when the value is at the 1 to 0 mark

scarlet birch Sep 6, 2019, 4:15 PM

#

Can you share the function?

#

I'm not seeing anything that will let me say, ah there's the issue. Like where the fill percent value is set, how the timer works, Nothing you've shared shows that.

copper elk Sep 6, 2019, 4:17 PM

#

the timer is the current health value

#

the "return Node" in the binding

#

is the timer

scarlet birch Sep 6, 2019, 4:20 PM

#

I understand that you haven't shown the actual function

grim ore Sep 6, 2019, 4:21 PM

#

well that's a neato new node, instead of having to do Get All Actors of Class then -> Get 0 from the array we have an easier Get Actor of Class node which just returns the first one found. yay 4.23

low valve Sep 6, 2019, 4:21 PM

#

Hey, im having an issue trying to get world displacement to work on a terrain material. i dont get any displacement. and sometimes if i use an extra lerp node with constants of 0 and 1 in it all my textures vanish.

scarlet birch Sep 6, 2019, 4:21 PM

#

I've never found a case to use get all actors of class

summer turret Sep 6, 2019, 4:22 PM

#

can someone tell me why all my shadows are pitch black everything looks ugly

📎 unknown.png

low valve Sep 6, 2019, 4:23 PM

#

@summer turret problem with skylight?

radiant haven Sep 6, 2019, 4:24 PM

#

@summer turret REbuild Lightning

summer turret Sep 6, 2019, 4:24 PM

#

i rebuild everything

grim ore Sep 6, 2019, 4:24 PM

#

it's actually night time and the world is on fire?

summer turret Sep 6, 2019, 4:24 PM

#

idk what the problem could be

grim ore Sep 6, 2019, 4:25 PM

#

it's really hard to tell just based on a screenshot. Does it look the same in editor or just when playing?

#

are you using anything weird like DXR

#

do you have the default lighting or what did you change

#

are you using custom post processing

#

etc.. etc..

#

is this static or dynamic lighting

summer turret Sep 6, 2019, 4:26 PM

#

looks the same in editor, i am only using chameleon for the sharpening

#

lemme show u my sky light

#

📎 unknown.png

radiant haven Sep 6, 2019, 4:27 PM

#

Hey guys, can someone help me that AI moves to player after I trigger a trigger

summer turret Sep 6, 2019, 4:29 PM

#

i get this when i finish lighting build

📎 unknown.png

radiant haven Sep 6, 2019, 4:30 PM

#

???

grim ore Sep 6, 2019, 4:31 PM

#

yep those errors would do it

radiant haven Sep 6, 2019, 4:31 PM

#

@summer turret rebuild everything, look for MObileHDR if its disabled and create your light source new

#

lmaoo

grim ore Sep 6, 2019, 4:31 PM

#

you have bad lightmapping UV's so it's just going to be black in those spots

summer turret Sep 6, 2019, 4:31 PM

#

bruh what is even that lol

radiant haven Sep 6, 2019, 4:32 PM

#

@grim ore u mena lightmap LODs?

summer turret Sep 6, 2019, 4:32 PM

#

i have rtx card should i switch to raytracingÉ

#

*?

scarlet birch Sep 6, 2019, 4:32 PM

#

If you're using baked lighting then it uses UV maps to make the light maps. It's telling you your lightmap UVs are fubar

summer turret Sep 6, 2019, 4:33 PM

#

is there a way to make them not fubar? coz im using free assets from epic monthly drops

solid rose Sep 6, 2019, 4:33 PM

#

Good day everyone ! I'm outputting my viewport render from Unreal to Spout using Spout plugin.
Unfortunately, when I'm changing my window focus from Unreal to something else, it drops a ton of performance and start to stutter.
I try the only solution that I've found around the web "going to Edit->Editor Preferences->Miscellaneous and disabling the Use Less CPU When in Background option" but it doesn't help.
Any idea to solve this issue ?

inner cloak Sep 6, 2019, 4:34 PM

#

hi guys, is it possible to export a model as FBX from UE4? My project is 4.22.3 but 4.23 has a better datasmith importer so i would import in 4.23, save as FBX (or any better option) and load in 4.22.

scarlet birch Sep 6, 2019, 4:34 PM

#

You have to either generate them in engine, which is iffy , or make them in a modeling program

grim ore Sep 6, 2019, 4:34 PM

#

which assets are you using?

summer turret Sep 6, 2019, 4:34 PM

#

wow nvm then

#

its called environment set

copper elk Sep 6, 2019, 4:34 PM

#

@scarlet birch here

scarlet birch Sep 6, 2019, 4:34 PM

#

You could switch to dynamic lighting for now

#

I don't think you ussually bake the lighting for trees anyway

copper elk Sep 6, 2019, 4:35 PM

#

@scarlet birch Im actually braindead it happened again

#

I was looking at the wrong thing

summer turret Sep 6, 2019, 4:35 PM

#

is that easy to switch to? or do i have to go into another program and edit things for that too?

scarlet birch Sep 6, 2019, 4:35 PM

#

Those are all trees that are giving you issues

#

Change your directional light to movable

grim ore Sep 6, 2019, 4:36 PM

#

Video card crashed while compiling UE4... that... uh.... seems odd lol

scarlet birch Sep 6, 2019, 4:36 PM

#

...

low valve Sep 6, 2019, 4:37 PM

#

im trying to follow this tutorial https://www.youtube.com/watch?v=W1MRDXUWID4&list=PL7wN36Cx4-DPT4zS0vCc3QJQ0yvNgYPyE&index=4&t=0s .... however when i plug into world displacement i go from this...

📎 unknown.png

YouTube

Mind Games Interactive

Landscape Material Tutorial - Adding Tessellation (Unreal Engine 4)

In this tutorial Series we are going to create a Landscape Material that features advanced heightmap blends, tessellation and procedural puddles. This third ...

▶ Play video

scarlet birch Sep 6, 2019, 4:37 PM

#

@grim ore Par for the course here. Every time I switch to a new version I get weird video card driver crashes

low valve Sep 6, 2019, 4:37 PM

#

to this

📎 unknown.png

#

and i get no displacement

grim ore Sep 6, 2019, 4:38 PM

#

It's been happening since I got a new card. I assumed it was the card but now I am thinking the power supply might be randy lol @scarlet birch

scarlet birch Sep 6, 2019, 4:38 PM

#

Sorry wrong mention

low valve Sep 6, 2019, 4:38 PM

#

np

inner cloak Sep 6, 2019, 4:39 PM

#

is it ok to repost a question in here?

low valve Sep 6, 2019, 4:39 PM

#

it does not happen if i skip the final lerp node, but i never get any actual displacement on my landscape

summer turret Sep 6, 2019, 4:39 PM

#

okay i think i fixed it, all i had to do was remove skylight and add a new one

#

thanks for the help

grim ore Sep 6, 2019, 4:40 PM

#

displacement is very subtle most of the time, did you look at it close?

scarlet birch Sep 6, 2019, 4:40 PM

#

@summer turret You likely switched it to dynamic lighting when you changed the light.

low valve Sep 6, 2019, 4:40 PM

#

yeah i looked close but didnt see anything, maybe its so much so you cant see it

grim ore Sep 6, 2019, 4:41 PM

#

plus it's possible you are hitting the texture sampler limit which is why the material is not showing up anymore?

scarlet birch Sep 6, 2019, 4:41 PM

#

It uses dynamic lighting to preview

plain gazelle Sep 6, 2019, 4:42 PM

#

What causes focus issues in game but not in the editor?

low valve Sep 6, 2019, 4:42 PM

#

hmm, ok maybe, is there a workarround for that kind of thing? im using 3 layers on a landscape. thats the only thing in the scene

plain gazelle Sep 6, 2019, 4:42 PM

#

I turned off depth of field.

wary wing Sep 6, 2019, 4:42 PM

#

@low valve Is it just me or can I see color way out on the far LOD of your landscape?

low valve Sep 6, 2019, 4:43 PM

#

@wary wing yes there are some squares that keep the texture

scarlet birch Sep 6, 2019, 4:43 PM

#

@grim ore I've noticed I have a lot fewer random issues since upgrading my UPS

low valve Sep 6, 2019, 4:43 PM

#

the rest is plain, i also tried multiplying displacement, it appears on the material preview but not on the landscape still

grim ore Sep 6, 2019, 4:44 PM

#

@low valve go to each of your textures in the materials and change the sampler source to shared

low valve Sep 6, 2019, 4:44 PM

#

i have done

#

they are all set to shared: wrap

grim ore Sep 6, 2019, 4:45 PM

#

😦

wary wing Sep 6, 2019, 4:45 PM

#

If you go over to those squares do they still have it?

#

As in is it the far LOD, or just the layer combination on those bits of your landscape?

low valve Sep 6, 2019, 4:45 PM

#

they still have it when close up

#

but squares around it turn black

wary wing Sep 6, 2019, 4:46 PM

#

Those parts have fewer layers I presume?

grim ore Sep 6, 2019, 4:46 PM

#

man I just checked and those trees by default have overlapping UV's. That's kinda not a good thing to have in a MP asset 😦

wary wing Sep 6, 2019, 4:46 PM

#

Like fewer with weights that aren't 0?

#

Ah I was just loading up that pack to check those @grim ore, thanks

grim ore Sep 6, 2019, 4:48 PM

#

they do have overlapping in 0 which is fine, and they do have a 1 but the models are set to use 0 for the lightmap instead of 1 for some bad reason

obsidian wasp Sep 6, 2019, 4:49 PM

#

I can't get the Set Collision Response to Channel to work... Am I doing something weird?

I've got a custom trace channel called "Mouse", and its default response is "Ignore". In a construction script, I call "Set Collision Response to Channel", plug in a Static Mesh Component, and set the "Mouse" channel to "Block". However, when I do a LineTraceByChannel on the Trace Channel "Mouse", it doesn't generate a hit when I click on the mesh.

I know the mouse tracing is accurate, because if I set the Default Response to "Block", everything provides hit data. What do I do?

Seems similar to: https://answers.unrealengine.com/questions/362622/set-collision-response-to-channel-not-working.html but there don't seem to be any solutions posted there?

wary wing Sep 6, 2019, 4:49 PM

#

Hmm that ain't great

scarlet birch Sep 6, 2019, 4:50 PM

#

@obsidian wasp is the mesh instanced?

obsidian wasp Sep 6, 2019, 4:50 PM

#

It's a static mesh component

#

Should I be using an Instanced Static Mesh instead?

scarlet birch Sep 6, 2019, 4:51 PM

#

No, they have the same issue that's why I asked that

#

Have you tried changing the channel after the constructor?

autumn elbow Sep 6, 2019, 4:52 PM

#

it doesn't work with Instanced Static Mesh instead (just to add on)

obsidian wasp Sep 6, 2019, 4:53 PM

#

What would be the best way to do that, Mike? Haven't really gotten past working with construction scripts and some super basic Event Graph stuff...

scarlet birch Sep 6, 2019, 4:54 PM

#

I don't know. You can likely brute force it to work by calling ReregisterAllComponents in C++, but I'm not sure why it won't work for you. I've had similar problems off and on.