#archived-code-advanced

1 messages · Page 41 of 1

errant plinth
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I'm pretty much only using 1 scene. Have a couple of others scenes for various debugging stuff.

undone coral
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i suppose you could just put all your prefab content into your scene and bake it.

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and then it will Just Work

gaunt mantle
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you'd have to put all the prefabs in the scene and bake it

undone coral
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yeah

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sounds tough. sounds like, i don't know, 5 minutes of work

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5 minutes is horrible

gaunt mantle
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it would all be on top of each other and wouldn't bake

undone coral
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i guess you'd have to space it out or something

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might be another horrible 5 minutes

gaunt mantle
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then it can't move

undone coral
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🥺

gaunt mantle
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can't instantiate it elsewhere

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it's baked in the scene at its location

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vs just putting your environment content in a scene, loadlevel additive async, then unload when you're done

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and you're in the same hub scene

formal lichen
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I guess scenes are useful insofar as it's a tool that's already in place to use for static environment loading/unloading

undone coral
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i don't really want to litigate lightmapping. unity's lightmapper sucks, there's not much to say about it

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it is almost as bad as scenes

gaunt mantle
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you cna split a giant environment into cells and load/unload nearby ones as you move around

kindred remnant
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So, in conclusion: people have learnt to do things different ways, both work, both have benefits, and both take at least 10 horrible minutes to setup

formal lichen
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and it'd be a huge pain from an artists perspective to work outside of scenes since they allow you to view what's going on in the level vs procedurally working on individual items

undone coral
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if you are on a team of 10 people or fewer, and you're the engineer, it's really your decision

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you're the Actor in the hollywood movie metaphor for video game development

kindred remnant
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yeah, I cant imagine a project with 1 scene would go down well in a large team - I wouldn't know thuogh

undone coral
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if you want to constantly work around scenes go for it

undone coral
#

they have superior features, like variants, that make more sense to everyone anyway

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besides, large teams in unity... are we talking about engineers? artists? level designers? people who don't know how to use git? you will have bigger problems

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it's not scenes

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do what you need to do

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i've never heard of LifetimeScope

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once i heard it i knew you were like

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in bad code smell territory

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i just want to help you

kindred remnant
# undone coral if you are on a team of 10 people or fewer, and you're the engineer, it's really...

Thanks - I'll be sticking to VContainer. It has it's drawbacks - and also the first time I'm using DI in a project after vehemently steering clear of it - but I'm a fan of learning new ways of doing things. The company I currently work for also handles DI using a similar framework, and I feel like learning about what's actually going on there will be a benefit in the long run. Appreciate you though

undone coral
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well in my experience dependency injection has never added value in a unity application

formal lichen
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Well I for one am still thinking about the differences

undone coral
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you only have 1 implementation of everything

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and you own all the code

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you can make changes to anything you want

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an access modifier is essentially documentation, for example - since you have all the source, go ahead and modify the access from private to public if you want

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DI in unity is a code smell

formal lichen
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I like removing the cross scene references. Trying to think of drawbacks to using just prefabs

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Other than having to make a manager that loads/unloads your prefabs for you

undone coral
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you eventually, somewhere, have to write code that decides what is on screen

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it doesn't matter if that thing is a scene or a prefab

hushed fable
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Was tracking of instantiated objects already mentioned?

formal lichen
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new scenes let you start out at a position 0 location, if you're in 1 scene you might hit integer imprecision eventually

kindred remnant
undone coral
errant plinth
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How do people typically implement mod support in Unity games?

formal lichen
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True, just trying to think of what I can

undone coral
kindred remnant
errant plinth
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Thank you

kindred remnant
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doctorpangloss, I'll be back eventually to tell you that this was a shitshow and I won't be touching DI again, I'm almost sure of it

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but you can't learn what to steer clear of and why unless you do it

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at least I can't, lmao

undone coral
undone coral
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yeah that makes sense

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the greatest feature of prefabs is prefab variants

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it obsoletes "scriptable object architecture", scenes, etc.

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it makes a ton of sense

kindred remnant
undone coral
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yeah...

kindred remnant
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you'll have to show me some stuff one day

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i am interested, but currently trying to tackle DI, networking, and the new UGS stuff in my spare time. If I bring another design architecture on board, I'll breakdown and move to UE

undone coral
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okay well i think a lot of this stuff exists because it helps people think, not because it's a good way to engineer a program

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that's definitely beneficial

errant plinth
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I had some trouble with getting my networking flow + scene changes to work

undone coral
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but like, not in the long term

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like scenes are mostly used organizationally

errant plinth
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Took the lazy route and just went with 1 scene

undone coral
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even though it makes no sense to have a menu, lobby, game scene

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there is a huge amount of busywork to make those things work together

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due to scenes

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same with SOA - it truly makes no sense, but it does help people to think

undone coral
gaunt mantle
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photons pretty easy

kindred remnant
undone coral
#

well, what i mean is, there's no sdk for realtime networked multiplayer that compares to the ease of use of e.g. starcraft 2 map editor

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where you don't have to think about networking at all

kindred remnant
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I just like that there's finally something dedicated to DGS rather than P2P. honestly sick to death of all the shit out there that teaches networking, but only in the context of P2P

gaunt mantle
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yeah it still takes a lot of knowledge

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but their cloud thing was really easy to use

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easy to hack too but yeah

kindred remnant
undone coral
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my technology streams stadia-style each user in a shared executable, so to make a networked multiplayer game in this architecture, you don't have to think about networking at all

gaunt mantle
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PUN2

undone coral
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and it's obviously networked

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in the sense that you and i are in different physical places

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but from an engineering point of view, it's local multiplayer

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same as sc2

kindred remnant
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im a networking noob, so nothing you said makes much sense to me at all

errant plinth
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Biggest issue with P2P is the prevalence of carrier-grade NATs. Gotta have some sort of backup relay system even with turn

hushed fable
errant plinth
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or use a service that provide the relay for you as needed

undone coral
kindred remnant
undone coral
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which shows rigidbodies interacting with each other

gaunt mantle
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it's like webrtc

undone coral
gaunt mantle
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mobile has crap internet

undone coral
gaunt mantle
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*potential

undone coral
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it's optimized for mobile cellular

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in fact these are all multitouch demos

gaunt mantle
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like driving down the highway, I'm on wifi atm

undone coral
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lol

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okay well... i don't know if you should be playing games in your car

hushed fable
undone coral
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anyway i spend a lot of time think about this stuff

gaunt mantle
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we had to make a prototype VR in a car flying down the road, nightmare

undone coral
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yeah

gaunt mantle
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generating stuff around you with mapbox

undone coral
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and then... for what audience?

gaunt mantle
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mobile carrier

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they wanted to sell this 5G device for your car and prototypes to show off potential

undone coral
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yeah

gaunt mantle
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terrible idea

undone coral
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exactly

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i don't think about how to make good technology for terrible ideas lol

gaunt mantle
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these non technical hype driven product developers at companies are nuts, but come through with budget

undone coral
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well the people who use that streaming tech you see does make sense, has an audience and has a budget

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but it's still very hard

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in fact the problem is good ideas, not good opportunities

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like i would love a good multiplayer game demo

errant plinth
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How does the input lag feel?
I tried playing an FPS using a friend's Steam Link

undone coral
errant plinth
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While the ping was pretty good the video lag meant that you didn't get snappy responses you'd normally get due to the client simulation

undone coral
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yeah, i mean this is not a suitable approach for FPSes

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but the world does not need more FPS experiences

errant plinth
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Oh right, expectations are different for phone interactions. Thanks for the info ^^

undone coral
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but generally, we don't need more walking simulators

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even as an indie game developer

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i hope that this approach, where you don't have to think about networking but get a networked experience, means people can do innovative stuff

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especially since unity's superpower is making games built around physics

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and you would need an Overwatch sized budget to make good networked physics

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using this approach, you Just Get Networked Physics For Free

errant plinth
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Looks like quite the interesting approach

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Good luck with the project ^^

misty glade
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Anyone using UIParticle (the coffee library) and ShaderGraph materials successfully? I'm trying to debug this guys code and I'm just.. lost as to what he's doing, and the library is behaving badly. Can't even tell if it's just editor stuff or in-game stuff. Like, particles are "overwriting" the material in the shader? I have no idea how or why or where to even start debugging this one...

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that's from the windows build.. exact same code in the editor doesn't even render particles (or it does but they slowly darken??? over time)

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(the "flickering" is normal, but the streaking of the background particles "wiping" the material vertically is not normal)

wooden cedar
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That's a very interesting framework to look at

slender bolt
#

My code is:
characterPrefabs.Add(Resources.LoadAll("CharacterPack1").Cast<GameObject>());
characterPrefabs is a list and I'm trying to add all prefabs in "CharacterPack1" folder to it.

I get the following error:
cannot convert from 'System.Collections.Generic.IEnumerable<UnityEngine.GameObject>' to 'UnityEngine.GameObject

Any help?

late olive
sly grove
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not Add

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If you want to add multiple things at once to a list

undone coral
misty glade
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@undone coral What version of unity are you using? I'm on 2021* lts and it's just firing zillions of errors into the console

undone coral
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2022 is scary

misty glade
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sorry, 2021

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typo

undone coral
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oh

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i don't think i've used it since 2018 lol

misty glade
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2021.3.16f1

undone coral
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hmm

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i wonder what spellsource uses

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i haven't see spellsource ui particle effects in a while since upgrading

misty glade
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I can't decipher this library's editor code so.. aside from a superficial look, I'm not even really going to try

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But you're using the same lib? by mob-sakai?

undone coral
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yeah it uses coffee

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that's the one

misty glade
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As far as I can see, he's disappeared from the planet a few months ago, maybe

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looks like he's there, right? but..... his activity is in this repo

image.png image.png
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some sort of github auto activity thing? i dunno 🤷‍♂️

image.png
undone coral
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it's working correctly in spellsource

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those are UIParticle particles

Screenshot_2023-01-31_at_8.39.32_PM.png
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@misty glade i use 3.3.5 so an older version

misty glade
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I tried to look at the git blame around where the errors are going back to 3.3.5 and unfortunately, there's just too many changes for me to easily see what the issue is.. Basically it's throwing dozens (one for every particle system in the game, it seems?) for every editor ongui.. so yeah, moving my mouse around even generates hundreds/thousands of lines in the console. I'm sort of at wits end with this library though and tempted to just find another.. there's at least 2 more that I surfaced in a quick google.

I just hate refactoring in/out libraries like this.. let alone the work in getting all my particle system prefabs into the new system.. and we are aiming to launch in 11 days

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I'm just turning off this particle effect for now and gonna dump this on some other future-me to deal with later. 😦

slender bolt
slender bolt
mint kettle
#

Does anyone know how to test a script that gets data from an API without using an API

midnight violet
mint kettle
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Yeah its json

midnight violet
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Then just save an example API response, put it in a stringfield in your inspector and use that instead of requesting the webrequest resposne

mint kettle
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Alright ty

flint geyser
#

Created this Scriptable Tile:

[CreateAssetMenu(menuName = "2D/Tiles/QuestionMarkTile")]
    public class QuestionMarkTile : Tile
    {
        [SerializeField] private Sprite spriteAfterTrigger;

        private Vector3Int _pos;
        private ITilemap _tilemap;
        private QuestionMarkTileMB _mb;
        private bool _triggered;

        public override bool StartUp(Vector3Int position, ITilemap tilemap, GameObject go)
        {
            _pos = position;
            _tilemap = tilemap;
            _mb = go.GetComponent<QuestionMarkTileMB>();
            _mb.OnTriggered += OnTrigger;
            return base.StartUp(position, tilemap, go);
        }

        private void OnTrigger()
        {
            Debug.Log("Sussesssssfullly trihhered");
            _triggered = true;
            _mb.OnTriggered -= OnTrigger;
            RefreshTile(_pos, _tilemap);
        }


        public override void GetTileData(Vector3Int position, ITilemap tilemap, ref TileData tileData)
        {
            tileData.sprite = _triggered ? spriteAfterTrigger : sprite;
            base.GetTileData(position, tilemap, ref tileData);
        }
    }```
 The problem is that it appears to be used for all of the tiles created under its name, meaning that if I do something in it, it happens on all tiles based on it. How do I change it so that there is a separate instance of this script for each Tile on the screen?
stiff hornet
# flint geyser Created this Scriptable Tile: ```cs [CreateAssetMenu(menuName = "2D/Tiles/Questi...

I don't think you can easily. Scriptable objects (like tiles) are supposed to be used for immutable data and share an instance.
You'd have to instantiate a copy of QuestionMarkTile tile for each tile at runtime and then set the tile to the new instance, this is not really what the tilemap system was designed for so i imagine this could have performance implications if you have a lot of different tiles active at once.

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As an alternative you could have a dictionary with the position as the key and then the QuestionMarkTileMB as the value (or some class/struct of data), and trigger the right MB through it since you should know the triggered position

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Though i'm not sure how that'd work with your sprite change
(you might need to change it to a different tile instead of changing the sprite since that would effect all tiles of the same type)

crystal galleon
#

I don't think I would ever do that type.GetType() mistake, but you never know...
I think I fixed it. Basically I have a static ctor that mimics an OnUnityLoad or OnUnityBoot (with SessionState) behaviours. That static ctor had a bunch of methods, some that apparently were not supported in a static ctor context. I just shifted those methods that created some objects to the custom framework's editor window script.

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I usually can debug things. But this error was new to me and had no real explanation. ChatGPT was just insisting in static ctor examples and so I reviewed all my static ctors

crystal galleon
#

A copy method example:

public Tile Copy(Tile tileToCopy)
{
    var newTile = new Tile();
    newTile.position = tileToClone.position;
    newTile.subClass = tileToClone.subClass.Copy();
    newTile.owner = this;
//  ...
    return newTile;
}```
vocal dagger
#

Any idea why this always returns a "null" quaternion? The queternion resulted from the lerp operation only contains nanf's

image.png
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Any i dont have any clue why

midnight violet
vocal dagger
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c# and dots

midnight violet
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oh, dots, alright, never touched that.

tawny bear
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Wait

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That one

midnight violet
#

Anyways, is netRot actually a valid quaternion if you log it?

vocal dagger
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yeah its not nanf atleast

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quaternion(0f, -0,6618526f, 0f, 0,749634f) this is valid right?

devout hare
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Log the rotation quaternion before applying the lerp

sly grove
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also speed / time - make sure these aren't NaN either

vocal dagger
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Alright one sec

midnight violet
#

you sure you can math.lerp on a rotation?

vocal dagger
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Im pretty sure you can lerp quaternions ^^ but one sec

midnight violet
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Oh, yeah, its all dots, forget my questions about syntax here 😄

#

I thought Quaternion.Lerp would be the right thing to do

vocal dagger
#

So before applying :

BEFORE: quaternion(NaNf, NaNf, NaNf, NaNf) and quaternion(0f, 0,9978189f, 0f, -0,0660108f)
The first quaternion is the rotation, second the network rotation
#

Cant we lerp a nanf quaternion, is this the issue? So do we need to ensure that two valid quaternions are lerped?

midnight violet
sly grove
#

you need to start with a valid quat, yes

vocal dagger
#

Ah i see, thanks ^^
Well i also found the issue, nanf quaternion is returned when we nlerp two identity quaternions... is this a valid issue? If so how do we normally solve this, thought identity quaternions are like the default value.

sly grove
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I'm also not familair with what nlerp is though

midnight violet
#

but identity is Vector3.zero anyway, right?

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in euler angles

sly grove
vocal dagger
#

Im gonna try using slerp to see if the issue persist ^^
I was recommeded nlerp ages ago since its "faster".

sly grove
vocal dagger
#

Atleast if looks like nlerp causes the issue... before two identity quaternions, after the nlerp only nanf

sly grove
#

Maybe your t is NaN

devout hare
#

Those are also invalid quaternions

sly grove
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and yeah

devout hare
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at least one of the values should be 1

sly grove
#

0,0,0,0 is not the identity quaternion

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there's probably a divide by zero happening when you use 0,0,0,0

vocal dagger
#

Hmmm this makes sense, im gonna investigate one sec

undone coral
#

might be a red herring

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i use the latest 2021 LTS which is like 18 or something

misty glade
#

Appreciate it.. Not sure what I want to do about it though. It's probably polish the game doesn't need (the shader effect, not the particle effects). I'm not sure what's not playing nice but it appears to be having issues on baking meshes, something I know nothing about and it's not really required

#

and also yeah i think when he went to 4.0 the scale change was a breaking change

topaz horizon
#

uuuuh I made some score that will change by adding
0.1f right?

#

why the hell the result sometimes is something like 3.99999999

sly grove
topaz horizon
#

lol

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fix?

sly grove
#

use fixed point math (int etc), or use a number that can be represented perfectly in binary, or just do approximate checks

topaz horizon
#

ok i have an idea

sly grove
#

btw this is similar to the way that 1/3 cannot be represented perfectly in decimal

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it's an infinite repeating decimal (0.33333...)

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which cannot be stored in a finite amount of space

topaz horizon
#

yes

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true

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ok I think I fixed it

sly grove
#

In general it's risky business to rely on floating point math operations to be perfectly accurate

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there is always going to be some level of inaccuracy/imprecision when doing floating point arithmetic

crystal galleon
# topaz horizon fix?

Or check if a float has changed within an acceptable difference value, if that works for you

using System;

namespace TG.Utilities
{
    public static class FloatExtensions
    {
        /// <summary>Checks if float changed</summary>
        public static bool HasFloatChanged(this float thisFloat, float previousFloat)
        {
            return Math.Abs(thisFloat - previousFloat) > TGConstants.FLOAT_DIFF_THRESHOLD;
        }
    }
}```
undone coral
crystal galleon
#

Before I answer, why do you ask? 😂

undone coral
crystal galleon
#

Rider suggests things like this, but this one was 100% written by me.

sage wadi
#

I am using the code from this video https://youtu.be/sJSA5Zyg7WM for procedural animation and it works for the small 4 leg spider I have. But my problem is I am trying to use it for a big 8 legged spider and the legs work and everything it just everything is spinning and it seems that the targets keep getting teleported around. I need some help because I have tried so many things for this. If I turn off the rotation for the spider body everything still works so it's something with the rotation

YouTube
giists
Procedural animation spider tutorial Pt 2 | Walking on walls

Ironstar Interactive: https://www.youtube.com/watch?v=AHAswF9kvc0&t=171s
Thank you for watching. Comment what kind of content you want to see next.

0:00 Intro
0:20 Wall script
23:10 Setting the values
27:50 fixing some things
38:28 bonus feature

▶ Play video
#

I have tried using it with just four of the legs and it still spins. I even used the exact same setup for the smaller spider but scaled it for the big one and it still spins

dusty wigeon
#

What you might want to do is ask yourself:
What can I do to better understand the code ?

#

There is multiple way of doing something like that.

Here a non exhaustive list:

  • Scientific Method
  • Isolation
  • Start from something that works
  • Algorithm Trace
sage wadi
#

I mostly understand the concept I'm just confused because it works on the smaller one but Is spinning on the larger one even when I use the same values

burnt egret
#

just posting some useful code cause im proud of it, feedback welcome

 public static void SetToLocalizedText(this TMPro.TextMeshProUGUI text, string key, string dictionary)
        {
            IEnumerator AsyncOp(TMPro.TextMeshProUGUI t, string k, string d)
            {
                var asyncOperationHandle = LocalizationSettings.StringDatabase.GetLocalizedStringAsync(dictionary, key);
                while (!asyncOperationHandle.IsDone)
                    yield return asyncOperationHandle;
                text.text = asyncOperationHandle.Result;
            }
            text.StartCoroutine(AsyncOp(text,key,dictionary));
        }
#

this allows you to, on any textmeshprougui object, ask for the localized text you're looking for, and it can easily be extended to strings if need be

#

it does rely on your text object being active in the scene, so if you need to get around that, just make a top level coroutine in your extensions/utils class and call StartCoroutine on the game object you call it from

sly grove
#

also you don't seem to be using the k and d parameters at all

#

so you could remove those

dusty wigeon
#

I think you can also remove the while (!asyncOperationHandle.IsDone)

#

And you can also have a even approach which may be better. I didnt use the assets, but it seem to have already an "Event System" with the event Completed:
https://github.com/nhnpro/unity.localization/blob/master/Documentation~/localization.md


When an Asset is not immediately available, the localization system returns an IAsyncOperation. The IAsyncOperation provides a Completed event that notifies Unity when the operation has finished. It calls this during LateUpdate. If the request has already been completed, such as when the requested data is already loaded from a previous request or during preloading, then the IsDone property can be used to check for immediate access, alternative the Completed event still occurs in the LateUpdate, allowing for all code to follow the same path. You can also yield on an IAsyncOperation inside of a coroutine.```
#

You would need to investigate by yourself.

#

asyncOperationHandle.Completed += (asyncOperationHandle) => Debug.Log(op.Result);

burnt egret
burnt egret
dusty wigeon
burnt egret
#

oh, yeah i guess that is true

#

looks much cleaner now, thanks! (added optional callback for further text manipulation after its localized)

public static void SetToLocalizedText(this TMPro.TextMeshProUGUI text, string key, string dictionary, Action<string> TextOp = null)
        {
            void SetText(AsyncOperationHandle<string> handle)
            {
                text.text = handle.Result;
                if (TextOp != null)
                    TextOp(text.text);
            }

            var asyncOperationHandle = LocalizationSettings.StringDatabase.GetLocalizedStringAsync(dictionary, key);
            if (!asyncOperationHandle.IsDone)
                asyncOperationHandle.Completed += SetText;
            else
                SetText(asyncOperationHandle);
        }```
proper sigil
#

Hey all, Quick question: I'm trying to make a "custom" wheel controller for a monster truck tire. I'm at the point now where I'm trying to get all of the tangents from any contact points on the wheel, but where I'm struggling is trying to find the correct normal that is pointing "clockwise" around the wheel.

in the screenshots, you can see I have the tangent of the contact point on a circle. (Long story short, the collider is a sphere and the contact point creates its own circle/slice of the sphere collider, so just assume it's a 2D circle). The two normals are colored green and red following the tangent of the circles. My issue now is trying to find the direction of each normal, whether it's clockwise around that circle or counter clockwise.

Again in the screenshot example, You can see the ground contact has a green normal line facing "backwards" (to the right), showing what would happen on a real-life wheel when it moves forward. The red line is facing "forwards" to show the opposite or stopping of the wheel. Anyways, the tilted plank above the wheel, touching the top should have its normals reversed. where green is pointing towards the front of the vehicle and red the back since that would be the direction the wheel is turning.

I can show code if required, I just don't want to clutter this any more than I already am.

image.png image.png
worthy coyote
#

So I want to have a 3d character stuck to the side of a 3d cube but be able to move 2d around the cube, how would I do that?

muted root
#

Hi everybody! Would anybody know the best formula to have a relative speed based on actual speed and amplitude of a motion? For example, a moving hand back and forth at a speed of 10cm/s. I'm using an amplitude as percent from 0 to 1, same for speed. Then I have max amplitude which would be 10 (distance in cm) and a max speed which would be 1 (seconds required to cover the max amplitude). If we reduce the amplitude factor by half, the new ratio is 5 cm/s but this makes the hand speed move twice as fast. I want the relative speed of the hand to be unaffected by the amplitude factor. I've tried to multiply the speed by the amplitude factor but I doesn't seem to achieve the result I want, the hands still moves too fast. What's the usual way and formula to deal with this case ?

#

Not sure if I make sense lol

sly grove
muted root
#

Linear at the moment but now that you mention it, the animation would be better with sinusoidal. But I think the logic is the same for both.

sly grove
#

what do you mean by "relative speed"? not sure I understand that part

muted root
#

Well, it would be the speed to cover the current amplitude.

sly grove
#

well the amount of time to "cover" the amplitude is just the period of the wave

#

aka the inverse of the frequency

#

if you want to keep the same "actual" speed while decreasing the amplitude, I think you'd need to proportionally increase the frequency

muted root
#

Ok, I had forgotten this from my highschool physics classes lol

sly grove
#

so if you cut amplitude from 10 to 5, you'd have to double the frequency i'd guess

#

if you want to maintain the same actual speed

muted root
#

Yes, that's what I though

#

So that would be to use the invert of my amplitude factor I guess

#

Since 1/0.5f is 2

sly grove
#

If you think in terms of period rather than frequency then it's just proportional

#

so if you cut the amplitude in half, you cut the period in half

#

same thing, different perspective

#

I guess step one is to make sure your code is just taking amplitude and period (or frequency) as the inputs to create the motion

#

then all you have to do is make sure you adjust those things in proportion whenever you change one

muted root
#

Yes, that's what I felt like when coding the stuff, but when I tried, it didn't work. I'm applying the result on the timeDelta like this:

#

`
public float Amplitude()
{
return amplitudeFactor * amplitude;
}

public float Speed()
{
    if (amplitude == 0)
        return 0;
    return maxSpeed * speed / amplitude;
}

IEnumerator MoveObject(Vector3 startPos, Vector3 endPos)
{
    float i = 0.0f;
    while (i < 1.0f)
    {
        i += Time.deltaTime * Speed();
        pos = Vector3.Lerp(startPos, endPos, i);
        transform.localPosition = pos;
        yield return null;
    }
}

`

#

It's a simple coroutine which goes back and forth between two transform positions

#

But for some reason, even when I divide the speed by the amplitude factor, the hand still moves super fast at slow speed the lower the amplitude is.

#

I'm thinking maybe the deltaTime would make the logic different ?

#

If I want the speed factor to be related to the time in seconds to reach the current amplitude (back and forth), I think deltatime might not be the variable I need here ?

#

But I have no idea what else to use :x

#

Similar to Rigidbody.velocity actually which is 10 units per s

keen gust
#

looking for a way to create a wifi controller , from my android to webgl game, tryna find the right way to approach this ,and i literally cant find any unity asset for a wifi controller!

sly grove
#

you'd have to show the code in question

mint kettle
#

For college I have to make a project, I have to launch my unity on 3 different screens all displaying something else. It has to retrieve data from an API and then launch on the screens.

Although i might just suck at google searching but i cant find any information to use. Can anyone link me to any useful arricles

muted root
#

Hi again, I'm having a bit of a math question. I have 3 positions Vector3: A, B and C. I want to find the directional Vector3 A to C as well as the B angle in the triangle ABC. What would be the formulas ?

hardy sentinel
mint kettle
#

Ty

#

🙏🏻

hardy sentinel
#

yw, gl

hardy sentinel
hardy sentinel
mint kettle
#

any downsides to it?

hardy sentinel
#

no, and it should be the recommended/standard option

mint kettle
#

Oh aight, and when you set the display you can call whatever you need from an API right to show onto the screen, i assume altleast

hardy sentinel
#

it's just an option for what display the camera should render unto

#

once you set up 3 cameras (one per display), you can handle the rest from other code

mint kettle
#

OH okay

#

Thnx

hardy sentinel
#

np

muted root
hardy sentinel
#

np

muted root
# hardy sentinel ```cs var dir = (c - a).normalized var deg = Vector3.Angle(b - a, c - a); ```

Is there a way to get the axis needed for the rotation to move A to C from B's perspective? I'm not sure how it works. The idea is that I have an orbital camera (A) around a point (B) at a random distance and a random angle. I'd like to set the position and rotation of the camera based on an angle and a distance relative to B. So let's say I want to move that an angle of (20, 90, 0) (Let's call it R) and a distance (D) of 2 units, I would need to figure out the position of the third position (C).

#

So far, I use this to get C:
C = B + R.normalized * D

#

Then I try to rotate the camera:
A.RotateAround(B, ??, Vector3.Angle(B - A, C - A))

#

I'm missing the axis parameter, not sure how to calculate it

#

Or maybe I should split it in 3 operations, one for each axis?

hardy sentinel
#

not sure about the proper way if you want the euler angles to perform that rotation.. maybe someone else could help with this

muted root
#

Ok thanks 😉

dusty wigeon
mint kettle
#

How would one go about putting a json image into my unity scene. I got code to retrieve it already. I just dont know how to make it appear

dusty wigeon
#

What is a json image...?

#

Json does not hold an image traditionally.

mint kettle
#

Sorry i mean, a json file with an image link inside it

#

Php

#

PHP file with a link to an image, i encoded it as json and im using UnityWebRequest to retrieve it from a local server.

long ivy
#

so what's the issue? another web request to fetch the image

split folio
undone coral
undone coral
#

you can build il2cpp with full stack traces

#

which may help

blazing verge
#

Hey, is there any way of finding out a list of scripts that changed rotation in current frame? Something like hooking a Debug.Log(StackTrace) to a setter of transform.rotation?

#

Basically, what I want to do is see what changes transform's properties for some object

undone coral
blazing verge
#

I have several components that change rotation of one object. For some reason, when component1 changes rotation, it's applied correctly, but then when component2 changes object's rotation, the changes seem to be ignored for some werd reason. When logging rotation right after component2 does it's changes, it outputs correct rotation

#

But in inspector the value is not the same

#

So, my guess is that something else changes it

#

I'm trying to figure out what changes it

crystal galleon
#

is it possible 2 different rotation changes happen in the same frame?

blazing verge
#

I don't see why not, they're both just multiplications

#

First component does Quaternion.Slerp from current rotation to target, the other one rotates current rotation on set offset

undone coral
#

you can set a breakpoint on the property's setter

#

i don't think this is going to illuminate much for you

#

what is the effect you are trying to achieve?

#

it sounds like you should be using an aim or multi-aim constraint

blazing verge
#

that's the whole problem

crystal galleon
#

you can extend Transform and AddComponent

undone coral
#

have you tried?

#

it certainly works in rider

#

you can have it log the breakpoint instead of breaking

#

anyway, good luck on this journey. i can help you out if youy tell me what the effect is

#

i don't think you need to debug this, you just need to approach your effect the right way

blazing verge
#

I haven't tried it, I though it wouldn't work on decompiled sources, let me check

#

Oh lol it really works

#

cool

#

never thought it would

crystal galleon
#

Me neither. Good to know!

blazing verge
#

Rider is a godsend

dusty wigeon
#

I confirm that you cant with visual studio 2022 😦

#

Or you need other Unity version then 2021.3 or you have to do some extra setup

undone coral
#

kind of low ROI to have me give IDE tips

blazing verge
#

I thought I wrote an explanation, I'm trying to find out which scripts change transform.rotation of a certain game object...

undone coral
#

c'mon i'm repeating myself

#

for example "i am trying to make a turret that tracks a target"

#

xyproblem yada yada

rotund citrus
#

I don't remember if there is a specific quick way to debug which script affects an object movement but you should try and see what is causing the movement and than find the component that could be doing it

blazing verge
#

Yeah, there's no rigidbodies, and I'm working on a huge project, and this object has tons of components, that's why I'm trying to do it without manually checking all of my components

#

Ok, nvm, did it though rider's conditional break points

#

That's not it

#

God damn it

rotund citrus
#

did you find it?

blazing verge
#

Yeah, I just did this and it showed me all rotation changes through property for certain game object

image.png
rotund citrus
#

nice! goodluck on your project!

potent shoal
#

Moving this to advanced.
I am making a chatbox, and I'm attempting to get it to scroll to the bottom. It is not solved with the standard answers, and the reason is because of this:
For my chat box, each item is a Text component, and each text component has a ContentSizeFitter, so that the component resizes according to the length of the chat message. Further, the parent panel, being the content panel, also has a content size fitter.

So when a new child object is added by instantiation, the scrollbar does not calculate the new changes to the scrollrect.

I would appreciate any tips or advise on this. Canvas.ForceUpdateCanvas does not solve this issue.

#

As we see in my spam, the last message is "mre"

image.png
#

However, the last message should actually say "whyyy"

image.png
sly grove
#

Doesn't seem like a code question 🤔🤔

potent shoal
#

here is my current code.

public void AddMessage(string username, string message) 
    {
        string format = $"<color=#C5DFFF><u>{username}:</u></color> {message}";
        var item = Instantiate(_itemPrefab, _contentPanel);

        var script = item.GetComponent<TextMeshProUGUI>();
        script.text = format;
        LayoutRebuilder.ForceRebuildLayoutImmediate(_scrollRect.GetComponent<RectTransform>());
        ForceScrollDown();
    }

    // Called at the end of instantiation function.
    IEnumerator ForceScrollDown()
    {
        // Wait for end of frame AND force update all canvases before setting to bottom.
        yield return new WaitForEndOfFrame();
        _scrollRect.verticalNormalizedPosition = 0f;
    }```
sly grove
#

Also WaitForEndOfFrame should just be yield return null

#

And you should just do the ForceLayoutCanvases thing instead of waiting a frame anyway

potent shoal
#

ForceLayoutCanvases does not correct the sizing issue.
The ForceScrolldown bit I have covered. my issue is that I do not see all content when the scrollbar is at the bottom.

sly grove
#

ForceScrollDown(); this line of code does nothing

#

You have to actually start the coroutine

potent shoal
#

Thank you for pointing out that I didn't start the Coroutine, but that is not the issue to any capacity. The line this function executes only moves the scrollbar. I am currently, manually moving it, and the scrollbar at the bottom position cannot see all of the content, due to resizing.

#

I made the coroutine execute it's function now, and the scrollbar will work automatically (thank you), but I still do not see all of the content.

sly grove
potent shoal
#

I see. Thank you.

abstract folio
#

Playing with a sample project, and trying to reference a sample- monobehavior from a new custom monobehavior. But it just doesn't accept the namespace. Note that the sample code appears in a separate "project" in the solution. I suspect I need to reference THAT project from the main project, but how do I do that?

image.png
thin mesa
abstract folio
#

no- I usually let unity do all that stuff as it

#

is always recreating the solution/project files

thin mesa
#

does the error appear only in visual studio or does it appear in the unity console as well?

abstract folio
#

both

thin mesa
#

and you're certain that's the correct namespace?

abstract folio
#

copy=pasted it from the sample cs file iteself, so yes

lime vine
#

Hey guys, I'm working on a server reconciliation feature and I need to apply few user inputs to an object. I'm thinking about calling Update multiple times, but I'm not sure it's possible.

abstract folio
#

the error itself: Severity Code Description Project File Line Suppression State
Error CS0234 The type or namespace name 'Samples' does not exist in the namespace 'UnityEngine.InputSystem' (are you missing an assembly reference?) Assembly-CSharp C:\Data\Unity Projects\InputBindingTester\Assets\BuildActionRemapList.cs 5 Active

thin mesa
#

regenerate project files and restart visual studio. if that doesn't fix it, you could try deleting the Library folder in your project and restart Unity (delete the folder with the editor closed)

abstract folio
#

good idea, I'll give that go

abstract folio
abstract folio
thin mesa
#

if you imported it through the package manager like you should have then it shouldn't be a problem unless you are using asmdef in your project in which case you need to make sure to reference the assembly

abstract folio
#

not sure about the asmdef (how do I check that?), but yes, this is a sample project imported from the package manager...

image.png
#

well, I think I actually created the project manually- then imported that circled thing

thin mesa
#

you would know if you are using asmdefs in your project because it's something that you would have had to set up

abstract folio
#

ah- then unless it was included in that import, no

thin mesa
#

well that sample project does use them, but if you are not using them for your code then it wouldn't make a difference

abstract folio
#

hmmm, perhaps I NEED to create one to reference the sample project stuff?

thin mesa
#

if you are not using them for your code then it wouldn't make a difference

abstract folio
#

hmm. possible worth noting.. I CAN use UnityEngine.InputSystem it only craps out at UnityEngine.InputSystem.Samples

#

the code files are located here:

image.png
#

and my problem script is in the assets folder (root)

abstract folio
#

🤷🏻‍♀️

thin mesa
#

just downloaded it myself to check, turns out they have the "Auto Reference" property disabled on the asmdef for whatever reason

agile dagger
#

How do I properly resize a texture asset from an Editor script? I obtain the texture from AssetDatabase.LoadAssetAtPath<Texture3D>(path) but there doesn’t appear to be a way to change the size directly. If I create a new texture with a new size and save it with AssetDatabase.CreateAsset(texture, path); Unity doesn’t use the existing meta, it creates a new one causing the texture to unlink from my project, so that doesn’t seem to be a solution. In a worse case hack, I’m considering making a copy of the .meta file, creating a new texture, and then replacing the meta file, but it seems so hacky. Surely, there must be some way to do this right?

agile dagger
#

Actually looking into this more, the meta file isn't changing, but Unity still shows the file as "Missing" in the editor fields. However, if I restart Unity it shows up correctly again. So maybe I need to do another kind of refresh? Using a combination of AssetDatabase.SaveAssets(); AssetDatabase.Refresh(); AssetDatabase.ImportAsset(path) doesn't seem to change anything. Or maybe this is just a Unity bug?

jolly token
agile dagger
jolly token
#

It'd be same as how you'd do with external image editor

agile dagger
jolly token
agile dagger
jolly token
still kiln
#

Anyone here good with 3D math? I have a problem that I'm not even sure how to search. I have two objects in world space, and I want to "glue" them together based on "anchor" points as child objects with local transforms, parenting one object to the other and giving a local transform that aligns the position and rotation of the anchor point with the target anchor on the other object. How would I calculate that final local transform? Here's a visual of what I want for reference where the colored arrows represent the anchor points with the before on the left and the after on the right:

image.png
#

I thought that once the second object is parented to the first, multiplying the local transform of the two anchor points together would give me the result I wanted and it's pretty close but it fails when certain transforms are applied to the anchors and I'm not quite sure why.

#

I'm thinking it might have to do with that fact that I want to not just align the anchor points, but align a specific axis of the anchor point (Z, in blue) in a specific way (+Zs together, facing in opposite directions)

sly grove
#

make sure the attached object's pivot is in the right place of course...

#

Or I guess you're wanting to go anchor-to-anchor?

still kiln
#

Yep! Need to take both anchor transforms into account

#

That's where it seems to get tricky haha

#

There's also the matter of aligning the axis. For example I have an anchor that has a (-90,0,0) rotation and when moving it along its local Z, it ends up changing the alignment of the object along the original Z axis (which is now the object's Y)

#

At least, that's what it's doing with my current method of just multiplying the whole transform

#

I also tried getting a rotation quaternion that makes the second object look along the first anchor's -Z to align them, then matching the positions but that didn't take into account the second anchor's rotation UnityChanThink

#

I feel like there needs to be an inverse in here somewhere, but matrix and quarternion math just makes my head hurt

sly grove
#

if we get rotation working then position will be next

#

Once rotation is working this should work for the position:

Vector3 diff = otherAnchor.position - myAnchor.position;
transform.position += diff;```
rare pagoda
#

anyone have any better idea on how to have colliders to stop players walking on an area im not lighting, the base idea im working towards is the player moves objects in the level to change where the shadows are cast to allow them to make it to the end and progress to the next stage, this is currently taking data from a render texture, converting to a texture2D, then taking the greyscale float, normalising it to either be 1 or 0 height , then setting terrain to match this

hardy sentinel
#

hey guys humor me for a sec but how do I create an AI that can create games? 🙂

sly grove
errant plinth
#

Step 1: Create a tool that given an input creates a game
Step 2: Connect the output of an AI to the input of the tool from step 1

random dust
hardy sentinel
#

how so?

random dust
#

Because ChatGPT is as close as an AI is that could do it, and it sucks at it

#

Maybe Google's variant will be better 🤷

hardy sentinel
#

oh the devs actually tried putting it to test to do that? cool

random dust
#

No

#

You can just ask it to do it

#

And there is a pretty big chance some/most of the code will be wrong

#

Because it has been trained to think the code is valid

#

Might be less worse with Unity but it is really good at assuming certain packages are real when it comes to typescript, when it's not

hardy sentinel
#

well when it comes to code gen AI I think MS's intelliCode thing has got the lead

random dust
#

Either way, it can't create a fully fletched game anyway since it will either break or error after 3 questions, which forces you to wait an hour before you can retry it all again 😛

#

Maybe when the high demand settles down you can try it

flint sage
#

I mean chatGPT is meant to be coherent and linguistically correct, not so much correct on content

#

So definitely not intended to create games

hardy sentinel
#

nah I would expect some working interface like this for the AI to pass the game creation tests:

void CreateSinglePlayerGame(GameGenre genre, int dimensions, int estimatedLengthInMinutes,           //dimensions >= 2
                              List<(string Name, byte[] Model, byte[] Texture)> ModelsAndOrTextures, //null model for 2D
                              bool allowGeneratingMissingModelsOrTextures = false);                  //generate missing art if true
dusty wigeon
# rare pagoda anyone have any better idea on how to have colliders to stop players walking on ...

Raycast from your light source to your player. Only allow movement when at least one raycast succeed. It would prevent the player from moving, but not push him.

For the pushing part, you could:

  • Find the closest valid spot by doing random raycast from the light source to a random location around your player then push your player in that direction.
  • Use the movement of the light and reproduce it on the player.

You may want to consider:

  • What happens if there is no valid light spot around the characters ?
dusty wigeon
# hardy sentinel hey guys humor me for a sec but how do I create an AI that can create games? 🙂

There is multiple factor you need to take in consideration when making an AI. The first one, being what type of problem you are working with and what solution you want to achieve. Depending on that, you may want to use Machine Learning, Behaviour Tree, Minimax Algorithm, Expectimax Algorithm or any other algorithm that can solve the problem for you.

In game development, we usually use Behaviour Tree as they are flexible and easy to use. One of the down side is that the AI won't be really "intelligent". This method is still considered AI and could be use to construct a game.

#

In other word, if you define what is the problem (Game with given code part and meshes) and the solution you want to achieve (Minecraft Game), you can create a game with AI.

#

In that preservative, Procedural Generation would also be a way for AI to make a game.

#

If you want to create a more complex AI able to create game from scratch you would have to create a network of AI.

#

Each one of the AI could then use appropriate method to generate the require content. One AI would be specialise in creating code while another would be specialise in Mesh generation. You could then have one AI being the one in charge of putting the piece together.

hardy sentinel
#

*play the games/review the code/art/whatever.. the point is that feedback would be needed for it to learn.. in which case it might as well just be faster for me to jump in the code and manually make changes I find good xD

rare pagoda
still kiln
#

@sly grove Thank you for the help! I ended up calling it a night and came back with a fresh brain this morning. Using your hint and thinking it through I figured out that I could take the inverse transform of anchor "B" to put it at the object's origin, then added the inverse of anchor "A"'s rotation (to flip the forward axis) and the normal translation to get the exact transformation I want in local space 🥳

wraith snow
#

Hey all, has anyone here worked with photon fusion for networking? Or knows a good video on it?

thin mesa
autumn locust
#

and rotation would be the face normal i guess?
of center of triangle to gluepoint

#

never mind, i misunderstood you question

still kiln
#

It was a tricky one 😄

#

It's working great for randomly connecting rooms together though

autumn locust
#

what was the solution? predefined, prealigned anchors and just overlap those?

undone coral
gilded palm
#

PropertyInfo[] properties = typeof(MonoBehaviour).GetProperties(); //Returns all properties of every component, but All I want is Script public properties on the gameObject that the script is attached to

#

Help please

sly grove
#

can you rephrase/explain that better?

#

typeof(MonoBehaviour).GetProperties() will give you properties for the MonoBehaviour class specifically

gilded palm
#

Im trying to get every script inside a gameObject and get its properties too

sly grove
#

and when you say "script" how are you defining that?
Any Component?

#

Just MonoBehaviours?

#

and finally - why are you doing this?

gilded palm
#

Script components

gilded palm
sly grove
gilded palm
#

runtime serilaization

sly grove
#

for what

#

a save system?

gilded palm
#

yes

sly grove
#

Reflection is a pretty poor way to do it

gilded palm
#

which way would you suggest then?

sly grove
#

or rather

#

Why are you doing your own reflection?

#

Why aren't you using an existing serializer?

#

Like JsonUtility, or JSON.NET or something

gilded palm
#

is there an article or fourm about that for runtime

sly grove
#

there are hundreds of JSON save system tutorials yes

#

in general though the common thing is that generically serializing MonoBehaviours is not a great idea

#

you want to identify the actual information you want/need to save in order to restore the game state

#

and only serialize that

#

generally by creating a separate GameData object

gilded palm
#

ok

still kiln
vale nova
#

I try to use ScriptableObject to tag some gameobjects without hardcoding anything. I think it's a good practice but I've had multiple situations where I want to access a specific tag from within code. The only way so far is to create a serialized field that holds a reference to the scriptableobject but it feels redundant.

image.png
#

Is there a best practice to hardcode some scriptableboject references?

sly grove
#

but actually that first one could be kinda nice - you could make a "SignalDictionary" and key them by an enum or a string name or something

vale nova
#

I was thinking of making an addressable pack with all the signals in it but at the end of the day I'm hardcoding the string "OnCastCompleted" and if I ever change in the editor the SO, i'm screwed

#

I realize there's no other way really ^^ Maybe I can create a dicitonary like you said with all the values I expect to be hardcoded, while still leaving me open for modular design

undone coral
#

this is not a great way to do a "gameplay ability system"

vale nova
#

How so? Seems to be working pretty good for me so far. Maybe I didn't explain myself correctly:

image.png
#

I only use scriptable objects to identify different signals between my ability modules.

undone coral
vale nova
#

Never touched unreal!

undone coral
#

well

#

this idea has a long ancestry that is primarily reacting to how horrible programming is

#

you don't actually want to program in the inspector

vale nova
#

You're suggesting a more code oriented approach? I like the idea of building abilities in the editor

undone coral
#

because C# is way easier to program in

#

than the inspector

#

whereas in the whole of the history of game traditions, programming int eh game engine is generally horrible

#

so for example, instead of all of this, you can do

class FireballAbility : BaseAbility /* : MonoBehaviour */ {
 protected override UniTask OnCast(AbilityContext context) {
  // at this point, the user has clicked the fireball ability button
  // first ask for a target
  // lots of ways to do this. here are two examples
  var target = await context.RequestTarget(
      new ConditionalTargetFilter(new WithinRangeCondition(5f, context.caster)));
  // or
  var target = await context.RequestTarget(targetingContext => {
    return targetingContext.target != null && (targetingContext.target.transform.position - context.caster.transform.position).magnitude < 5f;
  });

  // can be cancelled using built in Task features! so we might not get this far.
  context.BeginCasting();

  // now shoot the fireball
  var fireball = Instantiate(fireballPrefab, context.caster.transform.position);
  ...
  await fireball.DOMove(...);
  Instantiate(fireballCollisionParticles, ...);
  await context.Damage(target, 100f);
  context.EndCasting();
  ...
 }
}
#

@vale nova obviously if C# 8.0+ existed through 1990-2010 when all these huge multiplayer gameplay ability systems were made, this is how people would do it

#

but it didn't, people used C++, which is horrible, and programming stresses people out, even though you're still programming just with the far inferior inspector and hierarchy

#

if the fireball needs animations or whatever you add that to its prefab

#

and like, write code.

undone coral
#

you're still programming

#

you're just programming in a half-complete LISP you came up with, splayed out in the hierarchy and the inspector

#

that's your approach right now

#

that's how it works in the SC2/WC3 editor

#

i am not saying these things don't get the job done. they are inferior to the clarity, succinctness and correctness of doing your programming in C#

#

i wouldn't say the same if it was C++!

#

programming in a half complete LISP is better than doing anything in C++

#

but that's the context of the tradition you are doing

vale nova
#

I tend to agree, I really love C# and I would be able to program abilities like you've demonstrated...

undone coral
#

you are going to be reinventing stacks, a vm, etc.

#

there's a lot to do to make a LISP

#

whether you like it or not, that's what you are doing

#

you can certainly have something that gives you the psychic experience of being productive

#

but it will be buggy as hell until you essentially reinvent async/await

#

whereas just from my one example, my one code snippet, you can probably fill in many of those blanks

#

and it will pretty much be working 100% out of the gate without bugs

#

anyway tha't smy perspective

vale nova
#

There's no tradition on my end really I kind of went in that direction on my own after multiple attempt without much research, I'm not sure why I preferred to go like this rather than code. In my head I should use the power of the inspector to allow modularity in my systems. (Not that I couldn't do it without).

undone coral
#

i see what you mean

vale nova
#

You are definitely making me reconsider tho, I love programming and the idea of scripting abilities like that sound more streamlined

undone coral
#

but use it for stuff like, the amount of damage the fireball deals

#

and which prefab should be particle effect(sort of what you are doing)

#

don't do it to configure the targeting and sequence stuff

scenic forge
#

If a problem can be solved by programming, the only time I wouldn't go for that is if I need to cooperate with a non programmer.

undone coral
#

i am happy to share more examples with you @vale nova looks like you already have a lot of the right goals in mind

#

just from looking at the hierarchy i figured you knew what you were doing

scenic forge
#

I'd argue an ability shouldn't even be touched by non programmer, at most they do things like effects icons texts etc.

vale nova
#

Okay but long term I have a hard time seeing it. For reference my mental image is WoW abilities. Is it really easier to program each ability as a singular script? What about when I want to make small variations of damage, range, changing icons, target types?

#

What about single-responsibility classes?

#

So your structure would be Prefab->AbilityScript(WithParameters)

undone coral
# vale nova Okay but long term I have a hard time seeing it. For reference my mental image i...

Is it really easier to program each ability as a singular script?
at least when i last saw the LoL codebase, this was the case, the abilities were in code. many huge teams actually wind up doing blueprints and creating a lisp, AND implementing in code, AND making a duality between them.

What about when I want to make small variations of damage, range, changing icons, target types?
you can still expose that stuff as variables you modify on an ability prefab in the editor

#

yes

vale nova
#

Then make a prefab variant when I change some parameters?

undone coral
#

that's one of many great ways to use prefab variants

#

lemme show you a more complete picture

vale nova
#

But what if there's a fundamental logic variation.

#

I have to rewrite the whole script

#

I do appreciate the insight, this isn't a perspective I had. Bit bummed that I spent many hours on this xD

scenic forge
#

What would the alternative be, invent your own equivalent programming language that can be done in editor so you can drag and drop to "rewrite the logic" except slower and worse?

vale nova
#

Isn't there an argument for component based architecture at least? Cause in your solution there is no components at all really

vale nova
#

Also, where do you draw the line? My characters have stats, abilities, buffs... should all this be in one huge monobehaviour???

#

^ careful graphic content

dusty wigeon
undone coral
# 
public class GameplayAbilitySystem : MonoBehaviour {
 public Button castButton;

 void Start() {
  castButton.OnPointerClickedAsObservable().Subscribe(_ => {
   var ability = Instantiate(castButton.GetComponent<AssignedAbility>().abilityPrefab);
   var castingContext = new Context() {
    caster = GameController.instance.currentPlayer,
    ...
   }
   castingContext.Cast(ability);
  });
 }
}

...
public InputActionReference cancelCastAction;

async UniTask Cast(Ability ability) {
 var cancellation = new CancellationTokenSource();
 cancelCastAction.action.performed += _ => cancellation.Cancel();
 this.currentCancellation = cancellation;
 // this might be delegated to the ability instead, like after a target has actually been chosen.
 // lots of ways to skin this cat
 this.caster.mana -= ability.manaCost;

 try {
  await ability.OnCast(this);
 } catch (OperationCancelledException) {
  // rollback effects or UI changes?
 }

}


async UniTask<GameObject> RequestTarget(...) {
 while (!this.currentCancellation.IsCancellationRequested) {
  var targetUnderPointer = ...
  if (TargetingRuleEvaluation(targetUnderPointer)) return targetUnderPointer;
  await UniTask.Yield(PlayerLoopTimings.NextFrame);
  ...
 }

 // was cancelled if we reached here
 // e.g. do not spend the mana
 throw OperationCancelledException();
}
undone coral
#

i do this in my own game

vale nova
#

Yeah I guess

undone coral
#

you can compose the abilities

#

really depends what they are

#

but compose them by instantiating things

#

java doesn't have async await

#

so it's much more painful

vale nova
#

Yeah I get the idea. I understand how to build them. I just have a hard time seeing where they fit in the Unity ecosystem

undone coral
#

c# is much better fo rthis

#

you can use the editor to set up the animations on the prefab

#

and to tweak the values

#

wherever your game involves metaprogramming, for example "double the range of all your spells"

#

then you're going to be really happy you did this in code

#

there are many ways to skin that cat

#

but to do it bug free, you'll need C#

vale nova
#

So is it better to have a big cast spell logic that checks some modular interfaces in your spell script? For example fireball is IRange, ISingleTarget, IDamage

undone coral
#

the editor idea is not well suited for stuff like "double the range of all your spells"

#

traditionally the engineer just writes a really complex thing to implement that within the context of the LISP they created for designers

vale nova
#

then if spell is IRange... check range -- if spell is IDamage... damage target

undone coral
#

whereas if you minimize the amount of LISP, it's easier

undone coral
#

context.Damage

#

you turn into methods whatever snippets you find yourself repeating

#

then await context.Damage(...)

#

AbilityContext is the current state of an executing ability, and it holds all the code for the english language words written on the card

#

like "Deal Damage" or "Whenever you take damage..."

#

and you can progressively support smaller pieces of enlgish language text as you get there

#

so you can do await context.OnCasterTakesDamage first, and then when you come up with an ability that reads "Whenever your oppponent takes damage" you can make that method more abstract into await context.OnTakesDamage(Actor damagedActor)...

#

you only use the type hierarchy very sparingly

#

it is low yield

#

you can use interfaces for helping the UI visualize stuff

vale nova
#

And just so I understand, how does it look on other types of systems? Characters and stats? For example for character movement, do I use a unity component or is it a POCO system inside my character script?

undone coral
#

so it's really IAbilityDescription and your ui elements can read it

undone coral
vale nova
#

but my poco system has no awareness of transform

#

unless I pass it to it I guess

#

It really shatters my perspective of unity, I'll have to think about all that

#

I've been coding in my corner for a long time

undone coral
#

for example

class Movement : MonoBehaviour {
 private Actor actor;
 void Awake() { actor = GetComponent<Actor>(); }
 void Update() {
  var context = GameAbilitySystem.BeginUpdate(this.actor);
  // tempting, but don't jump into this deep end right away
  this.maxSpeed = context.GetAttributeValue(Attributes.Speed);
  // instead, start with
  this.maxSpeed = context.GetMaxSpeed();

  context.Dispose();
  // or
  context.EndUpdate();
}
#

does that make sense?

#

lots of ways to skin this cat

#

they are all acceptable

#

this is also tremendously more debuggable

#

since your C# stacks are your game stacks

#

suffice it to say AbilityContext will be a huge file

#

full of stateless, static methods

#

but that's Good

vale nova
#

oy oy oy

undone coral
vale nova
#

Why do every single unity article point to component based systems then

undone coral
#

just only very lightly for gameplay logic

#

these things tend to be so strongly coupled

#

and algorithmic that it's easier to express in code

#

unity articles tend to talk about stuff that get the most eyeballs

#

which is generally not programming

vale nova
#

Fair point

undone coral
#

normal people Fear Programming

#

as you can see in that line i referenced, all the rules that are common to casting a spell

#

there are a lot of them

#

you can't decouple that stuff

#

you can even see comments about implementing cards in this hearthstone-esque game

#

it's complicated

#

and to do it bug free you're best off using code

vale nova
#

Yeah I'm looking at it

#

That stuff looks absolutely disgusting to me hahaha

undone coral
#

i mean it's from a live game that people play and actually works

#

i can also show you deulyst's code

#

which is much worse

vale nova
#

But that's like all the game in 1 script

#

Wtf

undone coral
#

not really

#

there's lots of code that implements this game lol

#

there are many more files

#

this is a complex game that has been evolved over many years, but cirtically has hardly any known bugs

#

it supports writing cards in a LISP and also in java

#

c# is more powerful, a lot of this can be simplified

#

in C#

#

it's also commented. there are a lot of rules

vale nova
#

yeah its a neat repo

undone coral
#

and rules bugs are kind of the bane of LISPing it

#

you don't wanna LISP it if you don't have to

#

civilization V is implemented very similarly. they use python instead of a LISP to implement their core game rules

#

it's smart

#

and it has a lot of Rules

#

WoW predated that level of game science. it is also a multiplayer game like Civ V

#

i'm sure if they could do it all over again

vale nova
#

I'm fucking depressed lmao I've been fucking around with components for so long

undone coral
#

they'd do it differently

#

lol

#

well in my game i have prefabs for many of the visual effects

#

i haven't even shown you the C# code

vale nova
#

I understand using async for cast times etc, but why do you use async for dealing damage

#

In case there's animations and stuff?

undone coral
#

in these sorts of games there's like, a million things that could interrupt control

#

or require a user decision or something

#

or something that happens over the network or whatever

#

unlike Golang, C# requires you to "color" functions... i don't wanna get too theoretical, but as a matter of safety, everything is async until proven otherwise

#

for example, in spellsource there are cards that read

#

i'll translate it into hearthstonese

#

Legacy: Remembered across matches.

"Battlecry: Summon nothing. Legacy: Summon the last minion this destroyed instead"

#

implementing that could cause a database lookup

#

after that card kills a minion Ardent Defender, the text will now say

#

"Battlecry: Summon an Ardent Defender. Legacy: Summon the last minion this destroyed instead"

#

so the decsription text is also async

#

do you see what i mean?

vale nova
#

Definitely

#

I don't see how I don't end up with monster scripts with dozens of parameters

undone coral
#

would you rather deal with that complexity in the editor

#

or in code

vale nova
#

Do you have an example of where you draw the line? What is a component, what isn't?

undone coral
#

if i were doing this all from scratch

#

insofar as a WoW ability is like a card, and there's text on the card (this is how Blizzard prototypes this stuff anyway)

#

everything that is printed on the card is 1 component. it may derive from a base ability that has a string name and a string GetDescription()

vale nova
#

yup yup

#

So entities kindof

undone coral
#

yeah

#

if i find myself doing the same animations over and over again

vale nova
#

Characters are 1, Abilities are 1, buffs are 1

undone coral
#

yeah so there would be a Fireball and a Mage

#

that's all fine

#

the individual algorithmic pieces of the card text - that stuff is code

#

in all senses of the word

vale nova
#

Got it

undone coral
#

where it lives is a stylistic choice

#

it can live in a gigafile

#

it can live spread out in different places

#

i wouldn't overthink it. i just wouldn't have an array of sub abilities or whatever

#

i don't want to program in the inspector

#

so if i want to make a general damage implementation, it's a function somewhere, or maybe it's a new DamageEffect().Cast() or whatever

vale nova
#

To be fair it's not a far cry from what I have. I've just been abstracting some of these systems in components rather than POCOs

undone coral
#

but it's not subAbilities.ForEach(x => await x.Cast())

#

yeah

#

but you have slots and the slots are like

#

OnDamage

#

and i would keep using those but for animations

#

not for game logic

#

use it for stuff where if it's broken it doesn't matter lol

#

i wouldn't have a

[SerializeField] private AbstractAbility OnDamage
#

that's programming through the inspector

#

i would do

# 
class LavaGiant : AbstractCharacter {
 override async UniTask OnSpawn(Context context) {
  var trigger = context.AddTrigger(this, new OnDamageTrigger(async damageValue => ...));

  trigger.RemoveFromPlayWhen(context, context.AddTrigger(new DestroyedTrigger(this)));
  // or, since this will be repetative, let's DRY it!
  trigger.RemoveFromPlayWhenDestroyed(context, this);
 }
}
#

do you see how we can always turn some lispy thing (context.addtrigger(new destroyedtrigger...)) into something that reads like what the english language description of the character/ability says?

#

that's the goal

vale nova
#

Yeah I like it acutally

undone coral
#

you want to write code that sounds like the text of what the ability does, since that stuff is already algorithmic

#

you will find yourself repeating some lispy stuff, then you can turn it into a method

#

you can progressively make things more expressive

#

you don't have to do it all up front right away

#

"Lava Giant: Whenever this takes more than 5 damage, summon a Lava Elemental" - you can stick amountOfDamage as a field on LavaGiant

#

if you have multiple cards that have almost lava giant's exact text

#

great... you can subclass it

#

it's all very progressive

#

declare a virtual and start subclassing

#

nbd

#

you can also prefab-variant its effects and animations

#

it still interacts with unity's most powerful feature (prefab variants) very well

vale nova
# 
class Fireball : Spell
  float damage, cooldown, range, castTime;
  
  override void OnCast()
  {
    await CastWithoutMoving(castTime)
    await Damage(damage)
    await SetOnCooldown(cooldown)
  }
undone coral
#

BlueLavaGiant GreenLavaGiant

#

maybe they summon different stuff and then you'd add a reference to a prefab of the thing it summons

#

yea

#

this makes a ton of sense to me

vale nova
#

I want to be able to identify spells that have cooldowns, range etc

#

Do I use like interfaces?

undone coral
#

sure, anything you want to visualize in the UI

#

IHasCooldown

#

you shouldn't use it for game logic necessarily

vale nova
#

well what about a buff that reduces all cooldowns

undone coral
#

but you're right that lisps are easier to introspect

#

i just wouldn't overthink it

vale nova
#

is the reduciton in my SetOnCooldown()?

undone coral
#

you can always do IUIDescribable { string description { get; }} and the thing writes its own description

vale nova
#

but then my tooltip wouldnt show the real cooldown

undone coral
#

this is why i think you wind up putting all the rules in one big file

#

they are strongly coupled

undone coral
#

you can make it easier when you need to

#

i have one tooltip class

#

that introspects everything

vale nova
#

yeah that's the goal

#

well thanks I appreciate the discussion

#

I'll take a crack at it and see how it goes

undone coral
#

do you see how you just like

#

know what the tooltips are

#

by looking at this

#

you don't want a bajillion little shits everywhere

vale nova
# 
            {
                tooltips.Add("<b>Supremacy</b>: Whenever this attacks and kills a unit, do this.");
            }```
undone coral
#

tooltips are a coupled concern

#

yeah i mean, it's that simple

#

why not

#

the text is algorithmic

#

if a keyword is printed on the card, people will want to know what the keyword means

vale nova
#

yeah no that's fair that's not doing what I thought it would

#

Althought my brain would try to abstract it in a Keyword class lol

undone coral
#

yeah but... not here

#

because it doesn't matter

vale nova
#

yeah so you wouldnt want to couple your keywords with tooltips by having your Keywords implement ITooltipable

undone coral
#

you CAN do that

#

and maybe eventually this WILL do that

#

but i only have limited time lol

#

so that's why i keep emphasizing that this approach is progressive

vale nova
#

That's fair lol I like the sound of that

undone coral
#

migrating gameobject hierarchies is a huge chore

#

changing the code is not that bad

vale nova
#

You've sold me

#

But also made me lose my whole week

#

hahaha

#

I'm certain I shall return with more questions

kindred remnant
#

sorry for digging that up! just reading it through, found it very interesting

compact ingot
cosmic crypt
#

How do I split a integer number into individual digits for example 100 into 1 0 0? I'm trying to do a sprite based damage popup system instead of using texts

long ivy
#

repeated modulo 10 or convert to string and look at individual chars

noble blaze
#

I have a problem with LoadSceneAsync. It worked sometimes, but often will cause my entire editor to freeze and require me to kill it. After much debugging, I finally have narrowed it down to only happen if I haven't opened (looked at) the scene since starting Unity. Anyone know why that is or any fix to keep me from double-clicking every scene in the game every time I start Unity?

lofty inlet
#

what's the difference between "On End Edit (string)" vs "Deselect (string)" for Unity's inputfields?

#

would end edit just be after each letter?

austere jewel
#

Deselect would not be fired on submit

lofty inlet
#

is submit just pressing enter

austere jewel
#

Yes

lofty inlet
#

cool thanks

stuck onyx
#

in terms of performance its the same to disable a gameobject with a meshrenderer inside than disabling the meshrenderer?

hushed fable
#

Depends. Activating a whole gameobject and a single component naturally have differences, but generally I would just choose based on whether I want to hide or logically disable a gameobject.

#

If you are in a situation where the details matter, probably just want to run some quick tests. Changing this after the fact shouldn't be a huge undertaking

stuck onyx
#

i've just read it's faster to disable the MR , so i think im taking that one 😄

glass lily
#

My program creates a bunch of textures. But if I create too many, Unity crashes with a message like “Unity out of memory”. Of course, it’s better to try not creating so many textures. But is there a way to know if I’m nearing the GPU’s memory limit? Like query current GPU memory? Thanks.

honest hull
#

is there ANY way to get a bindless texture functionality in unity for compute shaders?

regal olive
#

Hello i got this error in Google Play Console After trying to upload an aab file:

APK or Android App Bundle which has an activity, activity alias, service, or broadcast receiver with intent filter, but without the 'android: exported' property set. This file can't be installed on Android 12 or higher. See developer.android.com/about/versions/12/behavior-changes-12#exported

narrow cargo
sly grove
narrow cargo
#

They don't help

sly grove
#

yes "they" do

#

this is not the channel for basic compile errors

ripe creek
#

Guys anyone can help me with photon?

dusty wigeon
vast lagoon
#

why doesn't the dots forum have a proper discussion channel instead of the forum mode

sage radish
regal olive
#

Hello i got this error in Google Play Console After trying to upload an aab file:

APK or Android App Bundle which has an activity, activity alias, service, or broadcast receiver with intent filter, but without the 'android: exported' property set. This file can't be installed on Android 12 or higher. See developer.android.com/about/versions/12/behavior-changes-12#exported

warm stump
regal olive
velvet rock
#

Okay question, why should I use PropertyName when strings are immutable in memory and have very efficient look ups since you aren't checking every character, but the memory location of the strings?
Like comparing memory addresses is just as fast as comparing ints. Even at that now you are adding a hash to get the int value of the string!

#

Like the comment on PropertyName is

// Summary:
    //     Represents a string as an int for efficient lookup and comparison. Use this for
    //     common PropertyNames. Internally stores just an int to represent the string.
    //     A PropertyName can be created from a string but can not be converted back to
    //     a string. The same string always results in the same int representing that string.
    //     Thus this is a very efficient string representation in both memory and speed
    //     when all you need is comparison. PropertyName is serializable. ToString() is
    //     only implemented for debugging purposes in the editor it returns "theName:3737"
    //     in the player it returns "Unknown:3737".
#

which indecates to me either some tomfoolery going between C++ and C#. Or someone who doesn't understand how strings work in C#.

#

Even if it is going between c++ and C# why not just pass the string address to c++!

dusty wigeon
#

Comparing multiple memory address/values is not as fast comparing 1 int ...? I don't really know how string memory is managed, but it seems to me that you may be talking about String.Intern which is not done on every string. In the event that the string is interned, it would be, like you said, better to do a reference comparison. Otherwise, we still require to compare the individual character of the string. Look into the following for more information: https://learn.microsoft.com/en-us/dotnet/api/system.string.intern?view=net-7.0

#

Also, immutable in memory does not mean that something is placed in a lookup table.

velvet rock
#

Also a pointer comparison should be the same performance as an int comparison, as they both are 32bits in memory. And both the string pointer and int would be on the stack.

dusty wigeon
#

What you are trying to point out with your reference ? I'm not really sure I get what you want to show.

velvet rock
#

Also strings instances are stored in the heap, if you try to mutate a string(aka make a new string) it doesn't change the current string on the heap, but creates a new string. This process is less performant, which is why in .net 7+ they created a new way of spliting strings by making sub pointers to the strings on the heap.

velvet rock
dusty wigeon
#

Except that the string wont be the same object if the are not interned.

# 
string s1 = "MyTest"; 
string s2 = new StringBuilder().Append("My").Append("Test").ToString(); 
string s3 = String.Intern(s2); 
Console.WriteLine((Object)s2==(Object)s1); // Different references.
Console.WriteLine((Object)s3==(Object)s1); // The same reference.```
velvet rock
#

okay, so why make a weird internal logic when there is already implemented logic that is just as good?

dusty wigeon
#

Because there is a cost in interning a string ?

velvet rock
#

there is a cost to hashing a string

dusty wigeon
#

Less then interning

velvet rock
#

have you benchmarked that?

dusty wigeon
#

Could you ? I'm following the documentation.

velvet rock
#

That is a great article

#

So small small performance increase, abasically over engineering.

#

wait that doesn't include the overhead of hashing strings

#

Also hashing does have collisions where true string reference comparison won't.

dusty wigeon
#

I'm not sure I'm seeing what you want to show. It does not compare hash values vs interned string values.

#

You also need to take in consideration memory.

#

Most string are not interned which means that you would need to create a reference in the lookup table for each string.

#

Each string, being multiple bytes

#

Where with an hash, you could hold a single int.

velvet rock
#

By the time memory would be an issue for either you would be facing much bigger problems on both sides.

#

Also

Figure 2 shows the times for searching for the known string. All the times are pretty small for these collection sizes, but the growths are clear.
dusty wigeon
#

Not really, each application do have a lot of unique string in use.

dusty wigeon
velvet rock
#

for 600,000 look ups it was only 22ns

#

wait sorry for normal strings

#

for intern it was 4ns

dusty wigeon
#

It sure is close, but is there any reason to use intern and all of its down side when you could use an hashset which is better ?

velvet rock
#

the difference of making the Lists was greater than that for favor if intern strings

dusty wigeon
#

Which is a significant cost if we are working with unique string.

velvet rock
#

There are work arounds to the issue you are seeing in strings also. I see a code smell making people interact with a made up type just to have simple hash(why not just ask for the user to hash the string). For example if string size is your main complaint just have it change the strings on compile to smaller unique strings, which wouldn't have the collision issue of hash.

#

Though my main complaint is that this is a code smell, and over engineering.

dusty wigeon
#

It is an engine, being use by a lot and a lot of people. We want it to be over engineering. I would agree, if it was intern to your company being use on one 1 project, but we are talking about something that will be use by millions of people, we do not have the same values.

#

The issue you have, is that the PropertyName is being limited in size ?

velvet rock
#

The people interacting with this on coding side all know what hashing a string is, I had to look at the backworkings of your "Simple" solution to just come to the conclusion it is a hash.

dusty wigeon
#

I'm not sure to follow you, because I have not face any issue about this particular thing. I did not even know it was something before.

velvet rock
dusty wigeon
#

Because I want to learn. You were pointing some element which I found interesting and I wanted to know more.

#

In what component PropertyName are use ? In animation state name ?

velvet rock
velvet rock
dusty wigeon
#

Which is the backend of the animator. I see. What issue did you face with them ?

velvet rock
dusty wigeon
#

You can use the int version in the animator, I'm sure with the Playables API.

velvet rock
dusty wigeon
#

I see. You are frustrated because you cannot control the type of your ID. It is understandable.

velvet rock
dusty wigeon
#

In fact, it could be the inverse if you are following the principle of Primitive Obsession.

gilded sonnet
#

Hey, is there somebody who could tell me how to get the 'visual' centroid point of an 2D concave shape?

#

By visual I rather mean the point inside the shape, which is visually the center of that shape

velvet rock
dusty wigeon
#

All ID are susceptible to primitive obsession.

velvet rock
dusty wigeon
gilded sonnet
velvet rock
# dusty wigeon All ID are susceptible to primitive obsession.

Because now when ever someone needs to know what my code is doing they need to understand what a PropertyName is, as like even you didn't know what it was, and with it being a struct they may make changes to it that break my functionality in the future, when ultimately it is just a wrapper of a hash.

fallen magnet
#

Sorry to butt in. Is there a way to define a type as the public fields of a class? I'm trying to create a data container that can override the data in another instance of the container. User will be able to choose what to override. I'm thinking of just using a list of fields that are overridden and would like some static typing

dusty wigeon
dusty wigeon
gilded sonnet
#

If you treat the black area as the room I would say the top & bottom meets the criteria. Knowing the label has it's width and height the left-right bars would not fit the rectangle without rotating

dusty wigeon
dusty wigeon
gilded sonnet
dusty wigeon
regal glade
#

Not sure where this goes as it's not directly shader related but:
Say I'm doing all rendering with a compute shader, the only step after that is plastering a renderTex on a quad and putting it in front of the camera, how much unnecessary work do you think unity's render pipeline is doing? I don't know if it's worth looking into doing a custom pipeline or not.

fallen magnet
# dusty wigeon Not sure what you mean. You can define nested class as public.

I define my enemy AI with a scriptableobject. That AI is a state machine and some states will have modified properties, but I want most to be shared. So, I want to define state specific parameters as an override so the designer can easily whip up new enemies by defining a base settings file and then overriding individual values. For example, by default, the enemy's move speed could be 5, but an enemy that's chasing the player will need to move faster, so the pursuit state will have an override of 10 but the rest of the settings will carry over from the default.

Screenshot_2023-02-04_200353.png
#

How do we know what the user wants to override? My idea right now is to store the name of the property in a list. I can use a list of strings, but I'd prefer type safety

dusty wigeon
#

You are describing a prefab.

#

Where it is true you would want to use Scriptable Object, a prefab would be what you need to rapidly solve your issue.

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Otherwise, I would work an editor that would copy the behaviour of a prefab

fallen magnet
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I'm creating an editor for it

supple gulch
#

asking this again bc I haven't been able to find an answer in the last few days:
is there a way to create a computeBuffer whose element count depends on the contents of a shader value/buffer? Something like indirect args but for compute buffers.

fallen magnet
#

The override logic is a solved problem

dusty wigeon
fallen magnet
#

For the editor, I want a dropdown where the designers can select the property they want to override. I want to populate that dropdown with all public fields of a class and while I can get that via reflection, I'd like type safety if possible. So I'm asking whether I can create a type or an enum that is "all public fields of class X"

dusty wigeon
#

Create a partial class.

#

From the editor, reads the property by reflection.

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Then write them in the class.

fallen magnet
#

that sounds like it would work really well. Can you show me some documentation for the relevant classes?

dusty wigeon
fallen magnet
#

beautiful, thank you so much!

dusty wigeon
dusty wigeon
supple gulch
#

to me this seems similar to the system of indirect args buffers for dispatching compute shaders, where the GPU is instructed to use the contents of a buffer already on it to determine the number of thread groups

dusty wigeon
#

It is possible to send arguments to a compute shader. Is this what you want to do ?

supple gulch
#

not really. I want to be able to allocate a vertex/index buffer whose element count is determined by the value of a shader variable/buffer

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so that I'm able to compact my vertex/index buffers

dusty wigeon
#

You want to allocate a buffer for vertex/index for mesh that has been generated or that will be generated ?

supple gulch
#

will be generated

dusty wigeon
#

You then want to use the data from the shader

supple gulch
#

yes

#

is there a way to readback a single shader value to the CPU then?

dusty wigeon
#

Is the operation done in loading ?

supple gulch
#

I'm not sure what you mean by "operation" or "in loading"

dusty wigeon
#

Is all the mesh generated before hand, before the player interacts with them.

supple gulch
#

yes, the compute shader is run once, then the data is read back to the CPU

dusty wigeon
#

If I remember correctly, cube marshing is a finite amount of meshes ?

supple gulch
#

it is, however each tile can have a different amount of vertices and triangles. there's two approaches to allocating buffers that I've seen, but both seem inadequate.

  1. set a maximum number of vertices/indices per tile, and calculate where to write them based on the tile index (oops wrote triangle instead of tile)

  2. set a maximum number of vertices/indices overall, and use a counter buffer to track where to write the next element

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I'd like to use a parallel scan to determine which index to write at (not important to this issue) but this requires me to read back a shader value in order to allocate each buffer without overestimating

dusty wigeon
#

If I remember correctly, we can generate all the meshes before hand then assign the correct meshes in runtime without needing to do anything special.

I would generate all the meshes before hand (before runtime).
Combine them in one meshes.
Use the appropriate meshes given a value on the shader.

No need to do any transfer from a compute shader to a shader. (I don't think it is possible)

#

I never done something like that, but knowing that static bashing is a thing, I wouldnt be surprise you can do that or something similar. Maybe you would need to make your draw call thought.

#

You could always use the meshrendering component of unity.

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You also could use instancing (which should be better) for your batching and not combine them .

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All of that, given that I remember correctly cube marshing.

#

Oh, and your compute shader would only serve in defining which mesh to use.

kindred remnant
#

I'm building my first multiplayer card game and not sure how best to design how cards are referenced by the server (@undone coral, i recall you have a lot of experience in this area).

at the moment, cards are SOs that contain a type reference to its effect/controller - I then have a card pool SO with a list of these cards.
when a client wants to play a card, it sends that card's ID to the server. The server then searches the card pool for that card's ID, does some validation, and then activates an instance of that card's controller to play it.

I feel like my approach is not the most performant or the cleanest - namely, iterating through the card pool and using reflection to grab it's controller. I've thought about the server sorting the card pool by ID on game load so it can then use an index instead, but that doesn't solve the reflection issue, and also feels like I might be digging deeper into the wrong approach rather than finding a more suitable one

cursive horizon
kindred remnant
cursive horizon
kindred remnant
cursive horizon
#

I'm just trying to understand how you get around having an SO per card

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because without that piece I have no idea what you're doing

kindred remnant
#

I have an SO instance per card, but they all share the same SO

cursive horizon
#

they share the same...class?

kindred remnant
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Yes

sly grove
#

That doesn't mean they have shared data

kindred remnant