Unreal Engine Simple NPC Tutorial

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Hello everyone. This is a quick Tutorial, how to create a simple NPC System.
I used the Version 4.27.2 of the Unreal Engine for this one.
Discord: / discord
Level: www.unrealengine.com/marketpl...
State Machine: • Unreal Engine State Ma...
Animations: www.mixamo.com/#/?page=1&type...
Timestamps:
0:00 - Intro
0:19 - Import Characters
0:37 - Create the NPC
2:03 - Create the State Machine
3:40 - Create NPC Animations
7:24 - Event Graph
10:00 - Setup the Target Points
13:42 - Outro

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Опубликовано:

5 июл 2024

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Комментарии : 129

@mjesensky2760 Год назад

Very clear, easy to understand tutorial. Thank you so much for this excellent video!

@glitchysparx Год назад

Thank you so much, man! Your tutorial really helped me!

@dreambadger Год назад

Cheers, this is helping me figure out my work flow.

@VitaliySunny Год назад

Very cool looking tutorial!

@tanyacc2004 11 дней назад

Merciii !! Learning a lot with you

@yaschan99 Год назад

Love the tutorial. Really nice work. I used UE5 to test this. It works perfectly except the character runs constantly for some reason. It has a different Walk/Run state and a groundspeed variable. Goes beyond my ability to understand what determines the speed actually in this case.

@Seredias. Год назад

To adjust the Walking Speed of the NPC go the Character Movement -> Details. Search for "Max Walk Speed". This is the same as in UE4.

@supremebeme Год назад

great tutorial going to try this in UE5

@nand-studios Год назад

Bestes Tutorial für NPCs! ❤

@navneet2649 Год назад

I am a beginner in this domain, can someone pls clarify what NPC stands for? Non Playable character or Non Programmable character? or something else?

@RSProduxx Год назад

@@navneet2649 Non player/ playable character

@navneet2649 Год назад

@@RSProduxx thanks a lot 🙏🏻❤️

@maestrobondz7696 8 месяцев назад

You helped me a lot! :)

@unknow4399 2 года назад

Thank you man 🙏💙

@moaedgaming861 2 года назад

always the best

@BlackPara11 5 месяцев назад

love!!! ❤❤

@ollerkrauterich Год назад

thank you so much!

@Furiac. Год назад

helpful, thanks

@PascalNocquet Год назад

Very informative, thank you! How would you set up a path for the characters to follow to reach a destination?

@Seredias. Год назад

With Target Points. And I think this could help as well to understand the System: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-fYSEshgc8WU.html

@AverageDev 2 года назад

Man..you are just freaking awesome

@Leon-zc4ft 2 года назад

Helpful!!!!!!!!! Thanks!

@laurentiupolesciuc2817 2 года назад

you can make a video about pedestrians, that if the car rides on them so that they dodge, as is done in Driver San Francisco

@Seredias. 2 года назад

That's actually pretty easy, so you put a collision box around the AI, than cast to the Car. On begin overlap set the State to the "Dodge" State. I would combine it with a Boolean to check if the Car is Driving.

@Simul8Gaming 3 месяца назад

Thanks! This worked for me. However, for me the actor isn't facing the direction they are walking in, is there way to fix this?

@Seredias. 3 месяца назад

Sounds like the Animation is wrong or the NPC has the wrong direction in generell. Compare it with the Third Person Character Template.

@langsungintinya6191 2 года назад

I love your lighting set, can you make tutorial please

@Seredias. 2 года назад

Since I am not the Creator of the Map, it wouldn't be fair. But you can get this Map from the Marketplace: www.unrealengine.com/marketplace/en-US/product/modular-houses

@langsungintinya6191 2 года назад

@@Seredias. thank you very much man

@godofvideoss 3 месяца назад

I followed the tutorial identically. Very nice How do I adjust the distance time to the target?

@Seredias. 3 месяца назад

With the Max Walk Speed inside the Character Movement of the NPC

@Starlit43 2 года назад

How do you make a character move it’s month for talking

@reaalex Год назад

Hi Thanks for this tutorial! I have a question. When following your tutorial, from target you say to add in Int + int but the option is not there? Every other option you have displayed is fine except the int section. Have you any ideas?

@Seredias. Год назад

I guess you're using UE5? In this Case you just search for + and connect it. Unreal changed the Math Functions in UE5.

@reaalex Год назад

This is at 8:31 and I don't get the same options as under the subheading increment as you do, any thoughts? :)

@Seredias. Год назад

@@reaalex I know which one you mean. If you go from the Target and search for + you will find the function "add". Do you use UE5?

@reaalex Год назад

Thanks for your help that worked! I have actually went through the tutorial and when I click play as the AI moves to the desination points the client just freezes. I suspect it has to do with the The event graph in UE5.1 is different to the version you are using at 4:46. I tried to stitch things together what looked right but I think it's come back to haunt me :)

@reaalex Год назад

It may be because the mannequins have updated

@CaptainWeirdBeard1 7 месяцев назад

Hi, Thanks for yout great tutorials! In this one I have gone over everything and cant figure out why my character wont move to the point. The character will face and look at where it needs to go but wont move. The nav mesh is fine but I can see it wont get past 'AI move to node' in the logic. Using 5.3. Any help would be greatly appreciated.

@Seredias. 7 месяцев назад

Usually the Nav Mesh Bounds Volume is the Problem. So if you press "P", the Character and the Target should be in the Green Area. As well there needs to be a possible way (Green) between the Character and the Target. Did you use a Custom Character? If you yes, try to copy the default Third Person Character and try it with that.

@CaptainWeirdBeard1 7 месяцев назад

@Seredias. thanks so much for your quick reply! Yeah everything is good and in the green. It turned out to be a hidden mesh under the floor that was messing with it. ugh.

@yukisohma19 10 месяцев назад

would be nice if this included the details from the other video, or if this video made it more clear there is a prerequisite video. I'm totally stopped at 5:46 because I have no idea how to make this graph and no idea which video of yours it's in.

@Seredias. 10 месяцев назад

Well there is no prerequisite video. I explain everything necessary inside this Tutorial. At 5:46 the State is just the condition for the matching Animation State, which was created at 2:05. The Graph itself is the default Animation Graph from the Third Person Template.

@miladsasha5330 Год назад

HELLO, I wonder to know how we can set our target points random, thus the pedestrian moves randomly, Thanks in advance

@Seredias. Год назад

Yes, that's possible. Between the "AI Move to" and the Target Point, you can place a "Get Random Reachable Point In Radius".

@DanielsWacher 11 месяцев назад

It's me again, now that I have the target points all set up and looking nicely/working as intended, I want to mix things up and give the character more actions. For example, walk to target point 1-2-3 and at target point 5 idle for a period of time, target point 6 walk, target point 7 get on the phone, etc. Is there a way to change the state on a set target point? I hope I'm explaining it right...

@Seredias. 11 месяцев назад

Sure, you just need to change the State Machine. In your Case: "Walk" State to 1-2-3, than "Normal" State on Success, delay (period of time), than "Walk" State to 6-7, than "Phone" State.

@DanielsWacher 11 месяцев назад

@@Seredias. I'll do my best to figure out how to do that. Don't suppose there's a tutorial on it on your channel, is there? I've only been tinkering for about 1 week with unreal, still have a lot to figure out.

@Seredias. 11 месяцев назад

@@DanielsWacher Well the tutorial you are currently commenting under shows all the steps you requested. And what I wrote was a step-by-step description. But I can also understand that it's not easy for a beginner since my tutorials are advanced. If you want you can join the Discord Server, so the community can help.

@miladsasha5330 Год назад

how we can get character animation blueprints the mixamo gives us only the animation sequence which is not available as a anim class

@Seredias. Год назад

There is a link in the Description, how to convert the Mixamo Animations to Unreal Engine

@Mr.President107 Год назад

0:02 npc just taking a casual stroll in the background

@Lora-Line Год назад

hello, thanks for the tuto ! but I have a problem. My character doesn't go to my target point, the AI Move To always fail. I have checked the nav mesh, it's good, and i don't know why it can't move

@Seredias. Год назад

Okay so I guess your Character is a copy of the Third Person Character. And the "Nav Mesh Bounds Volume" include the Character and the Target Point, right?

@Lora-Line Год назад

@@Seredias. yes

@Lora-Line Год назад

I solved my problem ! I had a recast nav mesh or something in the sky and i deleted it. Thanks anyway for answering

@fxy201 7 месяцев назад

Please tell me, can I use this system with characters with Meta Humans?

@Seredias. 7 месяцев назад

Yes, you can. As long as you import them right: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-IJVxpsS1nVo.html

@Shnuvi1793 2 года назад

What is the use of nav mesh bounds volume?

@Seredias. 2 года назад

It is the Space where the AI is able to move. The Green is the possible Area.

@beb_zone1359 Год назад

Hello. pls help me. When i want to start playing my game i cant because i have an error like this : Infinite loop detedcted. Pls help me it is very important for me

@Seredias. Год назад

In which function was the infinity loop detected?

@dudsbboa3261 17 часов назад

can find int + int - at the minure 8:30. In my unreal engine 5.1 , only apears the option - increment int.

@Seredias. 8 часов назад

In UE5 they changed the Math-Functions. So its just "+" or "-".

@DanielsWacher 11 месяцев назад

For some reason my NPC just stops after reaching the first point... There are 3 of them added. Any clues?

@DanielsWacher 11 месяцев назад

Using unreal 5.2

@Seredias. 11 месяцев назад

So the loop at 9:40 needs to be correctly and the Target Points need to be set 11:10

@DanielsWacher 11 месяцев назад

@@Seredias. Everything in the BP is exactly like in the video and Target points are set. For some reason it can only go to 1 point without continuing to the others, regardless of order or distance, let alone loop or anything like that. So I can set in index 0 point 1 or 2 or 4 and it will go to them, but it will not move past index 0, it will not follow the other target points.

@DanielsWacher 11 месяцев назад

@@Seredias. Never mind , found the issue. The target points were above ground, just had to use "end" key to drop them to the ground and now it works like a charm. Thanks for the awesome tutorial!

@tiandao93 4 месяца назад

Thank you Dude! I wouldn't have figured it out myself@@DanielsWacher

@diogonz7777 Год назад

is there a way or do you have a video that i can be the npc, like changing into it and then playing with the so called npc?

@Seredias. Год назад

What do you mean by that. You know that NPC means Non-Player Character. So a Character that is not a Player, to make the World more realistic.

@diogonz7777 Год назад

@@Seredias. Yeah i mean like followers or the onea that are mostly in your tribe or clan or whatever. The ones you can recruit to fight by you side in some games and use them as guards, followers etc.

@Seredias. Год назад

@@diogonz7777 Ah now I know what you mean. Yes, that make sense. Good Idea, I will make a Tutorial about it.

@diogonz7777 Год назад

@@Seredias. Thank you very much. i will subscribe and hope i will see it soon.

@T-UserGames Год назад

Which Animation asset do you use?

@Seredias. Год назад

I imported all of them from Mixamo (link in the Description).

@Lingosaft 2 года назад

Hey, Great video! I'm new to UE4. I have an issue when the loop of the animation is done, then the AI goes back to the position when i started playing. This results in the AI talking a few steps then it repeats so he doesn't continue to the target point. Do you know what might cause this?

@Seredias. 2 года назад

Did you use the Standard Animation or a custom one?

@Lingosaft 2 года назад

@@Seredias. I used the animation pack that you linked in the description, but I used the standard skeletal mesh. I used the MOB1_Walk_F. I did create the animationBP from scratch since I couldn't figure out how to change the skeletal mesh, maybe the problem could be there?

@Seredias. 2 года назад

@@Lingosaft Yes, definitely the Problem came from there. Please try out the Standard Animation, to see if that works.

@peter486 2 года назад

yes your caracters are sliding .)

@navneet2649 Год назад

I am a beginner in this domain, can someone pls clarify what NPC stands for? Non Playable character or Non Programmable character? or something else?

@Seredias. Год назад

Non-Player-Character

@navneet2649 Год назад

@@Seredias. Ohh so "P" stands for "Player"😯 Thnaks😇

@lordfishgaming 11 месяцев назад

hello friend do you have a video on ai crowd avoidance?

@Seredias. 10 месяцев назад

Not yet, but since I currently work with MetaHumans, I will try to integrate this.

@lordfishgaming 10 месяцев назад

your amassing sounds great@@Seredias.

@rohanphadnis6812 11 месяцев назад

good tutorial, but in UE5 the animations don't seem to work. that npc moves without playing its animation. and I have followed your every step.

@Seredias. 11 месяцев назад

Did you use the Original UE5 Third Person Character or a custom one?

@lexxrelaxx2016 Год назад

But how to connect to animations transition?

@Seredias. Год назад

You can just use the State Machine for this. Just set the State in different Situations to switch the Animation.

@lexxrelaxx2016 Год назад

@@Seredias. thanks man ill try

@madclowninc.4233 2 года назад

hi the walking is working but the phone is not for some reason

@Seredias. 2 года назад

Did you setup everything inside the Animation Blueprint 5:30?

@MagicxReal-Studio 26 дней назад

i did this works perfect except walking state he just plays animation on the spot but is not moving

@Seredias. 26 дней назад

Did you placed the Nav Mesh Bounds Volume, corretly? So that the Start and Target is inside the Green Area?

@MagicxReal-Studio 26 дней назад

Yea, i have one for the whole map, i have other npcs that walk randomly around as well as ai enemies that also chase and attack me , is just this one that doesnt move, i will try tomorrow after work to move him somewhere else on the map and see how it performs else i will wait for my freelancer to debug and fix it for me 🙏 ill get back with feedback after i move him somewhere else on the map😊

@fxy201 7 месяцев назад

Where should I get Blueprint?

@Seredias. 7 месяцев назад

Which Blueprint?

@mysticx6226 2 года назад

the character goes to the first point and then stays there, any help?

@Seredias. 2 года назад

Please debug this function 9:50 to see if its continue after the first Point.

@mysticx6226 2 года назад

nevermind, my code was worng

@romancolaneri3087 Год назад

@@Seredias. Excellent and totally clear tutorial, thanks so much!! *EDIT* I had the same problem, In my case it happened because I put the targetpoints a little bit above the ground and they must be stick for some reason. Now everything works perfect. I love it :)

@voicubogdan4339 Год назад

this did not work, instead of walking straight forward, my npc goes to the right, and won t go to the next target point.

@Seredias. Год назад

I would recommand to check the Event Graph again 7:30 Does you NavMeshBoundsVolume include all Target Points?

@freedomhindi4949 9 месяцев назад

player not move please tell me what i do

@Seredias. 9 месяцев назад

Did you placed the Nav Mesh Bounds Volume 11:30 and is the Target Point in the Range of the this Volume?

@freedomhindi4949 9 месяцев назад

Nav mesh bounds I try apply but not working,😭😭😭

@Seredias. 9 месяцев назад

@@freedomhindi4949 With "P" you can see the range of the Volume. The Target Points have to be in the green range.

@freedomhindi4949 9 месяцев назад

I do

@Seredias. 9 месяцев назад

@@freedomhindi4949 And did you set the Variables of the NPC 11:00?

@mikedegraaff44 Год назад

My character likes to hover across the map add top speed in idle animation😂 Ive watched the vid 10 time finding the problem but i cant figure it out

@Seredias. Год назад

Did you use the Unreal Mannequin or a custom Character?

@mikedegraaff44 Год назад

@@Seredias. i duplicated the third person character and replaced the mesh

@RSProduxx Год назад

@@mikedegraaff44 that never seems to work for me either.

@denexx222 Год назад

Hi Seredias, cool video. Thanks for sharing that. I am working on an Al engine that describes human behavior. I believe it can also be used for games. I seek an expert opinion on that. Would you be open for exchange?

@Seredias. Год назад

I am glad that my Tutorial helps and by the way I plan to make a hole Tutorial-Series about it.