How to Make an Enemy AI Using Behavior Trees in Unreal Engine 5 #2 - Attack Player

[@ZimCrusher]

you are one of the clearest teachers ever. Love you, man

[@GorkaGames]

thank you so much!! I really appreciate it!

[@thomashealy5990]

@@GorkaGames trying this as a reply so you might actually see it. you didn't tell us how to make the AI roam around again after its done attacking if i die and respawn or if i leave and re enter nav mesh the AI stays still and is only able to damage me when directly in front of it. it will not resume chase nor roam around. the commenters solutions have not fixed this for me.

[@theempireofstud]

Yay a new video and it is very interesting!

[@GorkaGames]

💯 I'm glad you like my videos!

[@joeyfromthefuture]

I really appreciate your video style man - you actually explain the 'why' behind things and I'm finally learning rather than just copying. I am having an issue with one part though, I can't get the AI's attack delay to work and it continuously spams the attack. I have tried several different methods but all I've attempted either broke the attack or did nothing to solve the issue..

[@wolfiedgr8t]

Great stuff man, thanks. I love your tutorials ❤

[@GorkaGames]

thank you as always!!

[@krasnavin]

Excellent tutorial. I enjoy hearing your comments. Adding to my new game.

[@chameleonedm]

Those discord noises had me checking my own discord, probably not the intended effect. Thanks for the tutorial though

[@killerthepro756]

will you expand this series to at least 7 or 8 more episodes to the series talking about it more and how you can use it like some shooter AI or a Horror AI that hunts you down i would love to see it

[@CheshireTheLiar]

Everything is working great except if I break the line of sight, the enemy AI won't return to roaming around or chasing the player again if they see them. Any suggestions? Love your videos and clear instructions. Your making dreams come true!

[@3DChaddd]

I managed to remedy this by copying and pasting another "Set Value As Bool" at the end of the "On See Pawn" Event with a 3 second delay between them. Make sure to set the Second "Set Value as Bool" to False (Uncheck the bool value) and the AI will go back to Roaming around after 3 seconds of not seeing the player.

[@cyberdesigner2724]

@@3DChaddd Can confirm that this works well as long as you use a Retriggerable Delay node.

[@Pwnclips]

I used a pimp slap zombie anim that takes a few from start to finish so i moved your delay over and put it between "Attack Player' & "Finish Execute" which solved the delay the ai had to began starting the attack and starting the 2nd attack.

[@giftheck]

This has been very helpful! Any chance you could add a part 3, showing us how to make an enemy that can do both ranged and close attacks? IE like a shooter that shoots at distance but then punches you when you're close?

[@arthurmarquis764]

Awesome video tutorial @Gorka Games, but how would I set an attack speed that can be modified on the instance of the AI that would update the task? I am struggling. I tried this: 1. In your Blueprint EnemyAI, create a new public variable that you want to share with your Blackboard task. 2. In your AI controller blueprint, add a new "Blackboard Component". 3. In the "Blackboard Component" settings, create a new "Object" key called "Enemy AI". 4. In your "Event Begin Play" event of your AI controller blueprint, get a reference to your Blueprint EnemyAI and set it to the "Enemy AI" blackboard key. 5. In your Blackboard task, use a "Blackboard" node to access the "Enemy AI" key. 6. In the "Blackboard" node settings, set the "Object Type" to your Blueprint EnemyAI class. 7. Use a "Get Actor" node to get a reference to your Blueprint EnemyAI from the "Enemy AI" key. 8. Use a "Cast To" node to cast your reference to your Blueprint EnemyAI class. 9. From the "As [Blueprint EnemyAI]" output, you can access the public variable and use it in your task.

[@Pwnclips]

Would have loved for more advance ai stuff.

[@XPol555]

18:25 he flew away!! :D

[@GorkaGames]

🤣🤣

[@DigeL-el6uo]

Really good and helpful videos :) Thank you!

[@heavenseek]

MAGNIFICENT!!

[@GorkaGames]

🙏😄😄

[@kryogenicgames]

nice one, very handy

[@GorkaGames]

thanks

[@GrimsinxGaming]

Thank you bro for this your ledgend I just started using ue5 got most of it down packed but your tutorials help so much keep it up bro💯💯🇦🇺

[@AliBounds]

Awesome video

[@GorkaGames]

thanks!

[@uchihakidd9026]

yeah i dunno why but my sphere trace doesn't appear on my enemy. it runs up as normal but no green and red line to indicate that its doing anything. The visiblity is one so i dont know whats happening with it

[@uchihakidd9026]

I actually fixed it myself I'm proud lol. Apparently, all I needed to do was switch the simple parallel function in the behavior tree to a sequence in case anyone else has issues with it as well

[@raregodb]

@@uchihakidd9026 dont u know why parallel func doesnt work properly? it fixed my issue too, but its strange

[@LaceUpBrah]

You fucking legend, I tried that myself but it didn't work because I had to switch the attack player on the left side & chase on the right side but your comment made me give it another try and it worked!

[@austinwhiteted8231]

I found out clicking on the paralell you can switch it from immediate execution to after and it works!

[@uchihakidd9026]

@@raregodb im still trying to understand behavior trees, but the fact that a small change like that worked is insane to me

[@trayvonray9614]

Great video

[@yessnowww5345]

great man !! 👌✌ Thx for tutoriels

[@IN-terestShorts]

AI animation tutorial please

[@rankot399]

how do I make a mission where I chase the enemy along a pre-defined path, where the enemy jumps over obstacles and runs?

[@Im_Derivative]

Do you have a simple tutorial for damaging the AI back? I am using a custom spawner to spawn multiple AI that I can battle, and it works great, but I cannot damage them yet. Trying to come up with a simple solution for now.

[@PlayItAgainGames2023]

everything works but the AI gets stuck in attack player if you get away from them and then go back. Also if they get stuck on a wall the AI just stops and doesn't move again.

[@BigDaddyZhandt]

After applying the Animation Montage, I checked to see if it worked. The AI character chases me, hits me once and then just stands there. If I move, he will move. If I run away, he will chase me and hit me only once when catching up to me. Any ideas on how to fix this? All help is appreciated.

[@traincontain8778]

how do i make it that i can see the sphear traceres when im playing.

[@Mbb2220]

Thanks alot!!!!!

[@GorkaGames]

my pleasure!!

[@heavenseek]

Thanks! I'm on your Discord, now too. May I submit a proposal for some specific tutorials towards a basic mixed genre game? I'll send you an outline and I believe these would add nicely to your existing channel playlists, so everyone on here can benefit from some slightly different logic / actions that other channels don't explore (involving vehicle interaction, swapping characters, etc).

[@GorkaGames]

Thank you so much for your support again Heavenseek!! I really appreciate it 🙏 Absolutely, I would love to hear more feedback on how I can improve! Now that you mention it, yeah it would be really cool to have vehicle interaction tutorials etc. Looking forward into making those soon!

[@heavenseek]

@@GorkaGames Yes, my pleasure! This project is one storyline that uses bits / mechanics from gta, horror, managing companion morale, and combat. Each bit can be super basic for now. It would just be fascinating to access such different actions from one story - hub. Viewers could customize the setup to fit their own ideas / genres. I'll provide all assets/ fbx's that you may need... I can send the outline, if you like, and discuss payment for each tutorial

[@CrimysteryMate]

hey man, i appreciate your efforts for this video. just a quick question can you please tell me how can i disable those path lines that is coming out from the enemy while running?

[@Periland2]

Amazing Video loved it works all good but how do i make the circles dissapear in game and how do i make him to start roaming around after he stops seeing me

[@Periland2]

also after he gets to the random point in radios he just stands there forever until he sees a player how do i make him patrol forever until he sees someone instead of doing it once and standing still

[@bluegizmo1983]

AI behavior trees?! ... I haven't even figured out regular trees yet! 😂

[@rideaway40]

is there a free punch animation or something i can use for my game?

[@Birdscolony211]

How to make him fight with us only when we start the fight first ? Else he will be normal npc

[@sirmanbeard910]

Hey brother, question. Can you just duplicate this AI to make multiple of them chasing and attacking you? If so, how? I have it setup but once a second one gets to me, none of them attack anymore. Ideas?

[@jeromeb7973]

I put a "get player charecter" and plugged one into the "Get actor Location" and one into to "get actor rotation" and it worked for me.

[@blacktecno]

Just in case someone can help me, Ive got a pawn cube which I want to be attacked by the AI. The AI does chase it, but it fails to cast to the BP Box (the pawn) to later play the attack animation (or do any damage afterwards). If I make the animation play on failed cast it does play once, but never repeat.

[@meesheuij]

soimeonbe able to help me ?, my simple parralel does not work. when i try with one task at the time it works but when its in the paralel the atack does nothing

[@alefet.8861]

Amazing Tutorial. Still a bit strange how sometimes the AI takes time to attack the player i.e. at first sight if the player runs at the AI, but still great video!

[@magnificunt]

For some reason when the enemy is attacking, my editor freezes, but from the audio I can still hear I'm walking around.

[@magnificunt]

Nevermind, the issue was the Sphere Trace for Objects, I changed the debug mode to none and now it's fine.

[@ClassicJoog]

Could you make one of these for when the ai is attacking with a gun or grenade??

[@mate1_dev]

How to make it so that on lost focus the AI will just switch to its original task? My AI just stands there when its not in the range of the pawnsensing and I already checked everything like 3 times

[@beachsberiding2370]

How would you make the AI start to roam again after losing sight of the player? I saw someone comment that you can copy the "Set Value as Bool" node and paste it at the end and put a retriggerable delay between the two nodes. No matter what I tried, this did not work, and my AI still followed the player infinitely.

[@B31L]

cool 👍👍👍👍

[@GorkaGames]

😄 thanks!

[@imkeyi]

I have a death sequence in animation blue print, i find out that if my character killed the AI while AI in attacking montage, the AI will finish the attacking montage then play death animation, how do i set the AI instant die even in attacking montage pls?

[@notgamingwithfaz]

When I leave the area by going up high like jumping up on a platform it breaks and the ai won’t move after that can anyone help me

[@sisitech]

Everything works when I put the Delay duration on under 0,4, but when I put it on 1 second the entire attack system just stops working. Doesn't make any sense to me

[@sisitech]

To make it even weirder, when I put the damage on 0, the enemy will attack me multiple times when standing still. But when I put it any higher than 0, it will only attack me once and then stop. I have no idea how to fix it, because there doesnt seem to be any logic behind it.

[@magegames6202]

can you do a tutorial covering if you thow a grenade and kill multi enemies it conts the kill count it only works for my bullets rn

[@timboslice5351]

Hey Gorka! Amazing stuff as always. Everything works as it should, but I was wondering how you would go about multiple enemies? I work with an Enemy Wave Spawner and my two enemy types are accidentally dealing damage to each other, cause they're all pawns. Am I missing something? Thx in advance

[@The1111Dark]

Run a check on the class of the pawn being hit, if it's not the player's class then don't deal the damage

[@hoodeez]

5:19 there is no break option on my end and i replay every step so that im doing exactly what youre doing in the video but my ue5 is probably a newer update since this is over a year old

[@RileyMacfarlane-cg3or]

I am having the same issue! Did you manage to sort this?

[@SpicyBandit_tv1]

@@RileyMacfarlane-cg3or Well boys??

[@SpicyBandit_tv1]

Fixed this and hope you did too!

[@jbober123]

But how to turn again Roam Around?

[@elijahpm]

Can i control the area of damage? i think it is a little too big

[@girlx7706]

Why don't you use Notify?

[@realleglesslizard]

where can I get the animation for attacking?

[@BerserkDestroyer]

mixamo lol

[@realleglesslizard]

@@BerserkDestroyer thanks lmao (i quit game making like 6 months ago)

[@tableshoe7776]

How do I remove the Green spheres after I'm done using it?

[@cyanwaffles]

turn draw debug type to none

[@johndoe35717]

the zombie is so easy to break, jump and it stops following you and just stands there

[@madeeasy7148]

AI is hell to implement

[@QuadDamage3]

While video is nice as always, actual resulting AI is godawful. I wish you'd put more thought and care into this.

[@lukagamer2011]

Bro you can to make really good game for this and you can to be to popular because you can to make game this is not easy but you know how to make and this is to good

[@Theshadowclaw3000]

what are you smoking bruh ?

[@Periland2]

@@Theshadowclaw3000 xDDD

[@gameflix7510]

👌👍👍✌

[@GorkaGames]

😄

[@chrisslender8385]

Not working

[@kIDNEYKid-xt9uc]

my AI stays in idle when it gets close to me. anyone else having this problem?

[@lilbon6073]

same, did you solve it?

[@kIDNEYKid-xt9uc]

@@lilbon6073 my particular issue was having 2 character meshes in the character blueprint.

[@francoiscaillaud5275]

same problem here, did you find a solution?

[@kIDNEYKid-xt9uc]

@@francoiscaillaud5275 do you have 2 meshes in your bot's blueprint?

[@francoiscaillaud5275]

@@kIDNEYKid-xt9uc yes it’s a metuhuman BP

[@Titan-xx1zn]

Not sure if there were any recent updates but when I setup the simple parallel, only the left branch of chase player gets run even if the AI is standing and facing the player. Followed the steps in both tutorials and not sure how to get the right branch to fire for attacking. I did try changing the finish mode on the parrel to 'Delayed' and that seem to work only for the AI to get stuck attacking even if the player moves away. Anyone else run into this issue?

[@Titan-xx1zn]

I got rid of the simple parallel and it works fine just going off chase player sequence, for anyone else!

[@thecodingkeet]

This helped alot thanks! @@Titan-xx1zn