Unreal Gameplay Ability System - FULL COURSE

[@UngaBungian]

you my man are the best thing to ever happen for the gas system. thank you for the vids! really helped streamline my learning🗿🍷

[@thegamedevcave]

Glad to help

[@armanelgudzhyan192]

Surprised this has only 2K views! Great video, super helpful and probably the best one I've seen so far

[@thegamedevcave]

i'm glad you think so! it's only been up for a little while so i'm sure it'll gain more views as time goes on ;) Hopefully I can help make GAS more accessible for some people because it's a brilliant system!

[@klidoes3d]

For those of you that are learning GAS in 5.3+ Tag section of Gameplay Effect have been Deprecated, so don't be confused if they are not there for you. (Like the ones at 1:42:15) There may be other part of the code that is deprecated and look different in BP post 5.3. Best way to see notes regarding these changes, are to open up the BP's C++ parent, and search for certain missing terms that you see in the video. Epic have been keeping up with their comments in C++ to note things that are deprecated. Cheers.

[@machaelmus3843]

The tags section is not deprecated. Its buried further inside the gameplay effect menu.

[@johnrex7108]

Been wanting to know more about GAS, will definitely watch this when I have more time.

[@EpiKnightz]

Great video! Btw, if anyone want a random abilities by tag you can just implement it in C++, the logic for it is pretty simple.

[@alefet.8861]

Great video even after learning the GAS basics, I still come here to catch some concepts.

[@UnrealG99]

im completely lost , ive fallowed everything in the video up unit 8:40 but when i open my character BP theres no ability system component , any idea why that might be?

[@KB-nt7eg]

In the first 15 seconds of the video it shows you have to enable the gameplay ability system plugin. And once you do you can add the gameplay ability system component to your character blueprint. However if this is the issue for you you should probably go read up a little bit more on other aspects of Unreal engine before jumping into the gameplay ability system.

[@ethanjdev]

Thank you for this wonderful guide to using GAS!! 🥳

[@sams_3d_stuff]

Best video on GAS 🎉 Thank you!!!

[@thegamedevcave]

Glad you think so!

[@olliverkatana4168]

Thank you very much for such a clear tutorial, now I can say that I"ve got some ability to understand abilities.

[@noinoinoi2095]

I'm still at 33:30 but this system seems extremely promising. I've started learning game dev and have setup a simple hp / stamina / mp and damage system using blueprint but GAS seems to sort of enable all the functions necessary for combat gameplay. I'm wondering which would accelerate my learning, should I learn GAS first or write it out on blueprint first to grasp the flow of certain gameplay logic. If some one has any advice 👋

[@thegamedevcave]

if you're having no trouble following along then you should feel free to keep going! having a general understanding of unreal engine or programming in general will help but if you feel like youre not running into problems while following this, keep on going :)

[@Zatellia]

I am trying to follow along however I can't get past the error at 8:18 where the includes are showing an error. I have followed your steps and have even restarted a couple of times to make sure i didnt do something different. When i open my thirdperson character it doesnt have the ability system either. Any ideas?

[@thegamedevcave]

make sure you properly build from visual studio, not just use live coding. Aside from that, what does that error say when you try to build?

[@Zatellia]

@@thegamedevcave No errors except the #includes (cannot open source file "AbilitySystemInterface.h and AbilitySystemCompnet.h) and the fact the ability components are not showing up on the character. I did rebuild. I am using 5.4 but i just restarted with 5.3 to see if that makes a difference

[@Zatellia]

Made no difference if its 5.3 or 5.4

[@Zatellia]

Well I got the includes for the AbilitySystemInterface.h working but now the includes for TestCharacter.generated.h and TestCharacter.h are 'cannot open source file

[@Zatellia]

Disregard, stupid mistake on my end lol

[@Growing_With_Twist]

Why don't I get generate visual studio files on my pc?

[@joaquinroyer9947]

do you have visual studio installed?

[@maiworld_]

super hyped for this. i know zero cpp but im hoping this will help

[@thegamedevcave]

a quick peek through my CPP course playlist might help out at times where you feel like you're having trouble. most of this course will be blueprints luckily, just a little CPP for some required setup and some more advanced uses

[@nkasch503]

great video - at the start a little bit hard to follow but after this is totaly fine!

[@thegamedevcave]

setting up for GAS is the biggest pain for most people, once you have things set up the rest of the framework is pretty nice (for the most part)

[@seligfay7497]

What plugin you use to make so good code suggestion from ide?

[@thegamedevcave]

github copilot

[@matheusalexandre4167]

Nice course! can you make a video on how to setup the visual studio like this? your intelli sense works pretty well. Thanks for the course, it really helped me.

[@thegamedevcave]

that's github Copilot, not just Intellisense. it's a simple plugin for VSCode if you have a subsription for github :) I believe there's some free alternatives out there too though

[@matheusalexandre4167]

@@thegamedevcave thanks, I will subscribe to copilot

[@yourboyjboy]

@@thegamedevcave would you have a specific recommendation for an alternative to copilot? Not sure which would be best for UE5 coding

[@wildbard4112]

Is it possible to create an upgrade system with this?

[@sandy00]

Is there any advantage to using PlayMontageAndWait vs PlayAnimAndWait? PlayAnimAndWait node has adjustable blend in and blend out time

[@thegamedevcave]

if youre just playing a single animation as a montage i dont think it matters, you can probably stick with play animAndWait. I assume that will just override your animation blueprint and force it to play that animation. Play montage is nice for when you have more complex montages or when you want to be sure that it plays it as part of your animation blueprint so it can follow the logic you set up in there

[@DeadSurfaceGerbil]

Hey! This is awesome, thanks! I want to have an ability with a chance to apply (like bleeding when the target is hit with a slashing weapon). I've added the chance to apply field, but it only gives me a float field and a curve, with no way to set the float field. How would I do that?

[@thegamedevcave]

where did you make the "chance to apply" field? the way i owuld do this is inside whatever ability this effect belongs to, apply a normal damage gameplay effect and then in the ability have a chance to add another gameplay effect that does the bleed damage. it sounds like youre trying to do both in 1 gameplay effect at the moment if I understand if correct, that's probably not a great way of doing it. If you make a chance to apply value on the ability and enable the little eye icon, it will be visible to edit in any child blueprints you make off that ability.

[@DeadSurfaceGerbil]

@@thegamedevcave There's a Component for Chance To Apply This Effect in Ability Effects. I'm currently just applying SlashingDamage as an effect, and then ALWAYS adding LightBleeding as an effect as well. On the LightBleeding effect, however, I add the component for chance to apply, but it only has a 0-1 value field input and a curvetable input. I see no way to set the chance of application. If I understand you correctly, you're suggesting instead of directly applying a GE, I let it apply an Ability first which takes in some values and then determines whether to apply only SlashingDamage, or SlashingDamage and LightBleeding?

[@thegamedevcave]

@@DeadSurfaceGerbil something like that, adding an effectand then having the ffect itself decide if it should do something isn't really the best way to do this, yu probably need to do it the other way around, have whatever code adds the effect be the thing to decide if the bleeding effect should be applied in the first place

[@DeadSurfaceGerbil]

@@thegamedevcave Ok awesome, thanks!

[@wildbard4112]

I'm trying to understand the block tag part. I have it set up where the enemy has a damage player effect class and the target blocked tag is player. Invincible, so whenever the player receives damage they get a short time of invincibility. But my player still takes damage for some reason. The invincibility ability class even has block abilities tag event.damage.

[@thegamedevcave]

what you explain sounds like it should work. How are you applying the tag? as part of an invincibility gameplay effect? that would be the recommended way to do things I believe. Make an effect that applies a tag to the player, and set that effect to have a duration, that way it will apply the tag, last for X time and remove the tag at the end of the invincibility effect.

[@wildbard4112]

@@thegamedevcave Yes that's how I have it set up

[@thegamedevcave]

@@wildbard4112 if you have discord, you can join the server linked in the video description so you can provide some screenshots, i believe based on what you've told here that it should work, but maybe there's an issue elsewhere that might be causing problems. It's hard to diagnose issues without seeing the blueprints themselves

[@wildbard4112]

@@thegamedevcave Ok I'll do that when I have the time

[@wildbard4112]

@@thegamedevcave It appears the discord invite is invalid for me.

[@wildbard4112]

I have a question. I'm making a Metroid Roguelike and I have it set up so that the projectiles from your gun deal damage using the gameplay event system. And I want to set it up so that the gameplay abilities spawn the projectile but I need information from the gun component such as location and what projectile to spawn. How would I do this? Any help would be appreciated.

[@thegamedevcave]

if it's not an ability that's reused anywhere else, simply cast and create a function that returns that information. if the ability is something you'll want to reuse for other characters ( like the enemies), set up an interface with a function that'll return that info.

[@wildbard4112]

@@thegamedevcave Gotcha, thanks!

[@KB-nt7eg]

I'm trying to figure out why you're adding the modules to the private array and not the public array in the games build.cs. Why wouldnt you want it to be accessible by other modules?

[@thegamedevcave]

Pretty much the same reasons you dont make every variable public, for the most part, that's usually not needed, pretty much anything to to with GAS exists in it's own little bubble that doesn't tend to interact too much with other stuff. Of course, if there's any reason that other modules need to be able to interact with it, you can add it to the public dependencies too!

[@michaelperrigo]

Bookmarking and binging!

[@christopherfrancique9912]

extremely helpful. Thanks.

[@seznova]

What autocomplete settings/plugins are you using?

[@thegamedevcave]

github copilot

[@driedpotatoes]

This is wonderful!

[@nkasch503]

is it possible that something in the gameplay effect section changes? i use 5.4 and i am missing a lot of windows

[@thegamedevcave]

there are some changes to do with tags and gamplay effects, i believe they are now modifiers instead of having their own section

[@nkasch503]

@@thegamedevcave thank you so much for the fast response - i try to figure it out - otherwise i Maybe have to book a lesson with you 😉

[@nkasch503]

@@thegamedevcave I browsed through the documentation a bit. Things like 'chance to apply' are now in the components array and need to be equipped separately. They haven't removed anything, just moved things to different locations.

[@thegamedevcave]

@@nkasch503 if you have discord you can join the server, i can try to help you with some screenshots, should be easy enough to figure out! (later though, i am about to start streaming XD)

[@nkasch503]

@@thegamedevcave Thank you very much! I've joined for future support if I get stuck anywhere! Thanks for the super quick assistance! You're a great creator - you definitely have my Patreon subscription!

[@velikanskaglava2087]

Hey does anyone know how could a gamer within a game create assets, to be saved and used later?

[@velikanskaglava2087]

@@alex-qn5xp Usually in games a gamer can pick/choose already available assets, would it be possible to create assets that did not preexist in the game. Let's say a gamer wants to paint or sculpt or create a piece of armour that is absolutely unique not just in name but in color, size, but most importantly in shape! And then not only would he be able to use it in the game but also export it as a .obj for example. Similarly as in Blender a user can create new things...

[@KB-nt7eg]

What? ​@@velikanskaglava2087

[@finesseandstyle]

Hi before I start this, is this multiplayer focused?

[@thegamedevcave]

Gameplay Ability system is made to support multiplayer easily, this course doesn't focus on anything specific to that though, only the basics of the framework to get you started. most multiplayer stuff is handled by the plugin though.

[@KB-nt7eg]

The term you're looking for is replicated and the gameplay ability system can easily be replicated.

[@henrybottomsworth]

comment for algorithm

[@thegamedevcave]

always apricated!

[@henrybottomsworth]

how do i follow along with this video if im making a top down RTS multiplayer game rather than a 3rd person game @@thegamedevcave

[@RomanSherin-lm9cs]

nobody wants CPP

[@thegamedevcave]

i mean... i'm not a fan of it being REQUIRED for anything... but lots of people prefer it over messy blueprints...