ICode (AI For Mecanim 2.0)

Hello Zerano,

Is there something I have to do to get the Root Motion to work? other than the tick box. When ticked my character just runs forward and stops following anything.

Also, I'm trying to add 2 transitions going to the same state, 1 with Distance Greater and Distance Less and one with Distance Greater Distance Less and FOV. This doesn't seam to work correctly. Is there a restriction on doing this?

Cheers!

 

Yes, you need to handle the rotation by yourself/actions using GetAngleVelocity in the latest version. In the next version it will be called GetAngularVelocity.
The Apply Root Motion tick box only stops the rotation on the NavMeshAgent, applies the rotation from the animator and updates the velocity of the NavMeshAgent from root motion deltaPosition. I am very sorry that the tutorials are coming so slow, i only do this as a hobby in my free time, so i am not realy that fast as others.

Could you tell me what FOV is?

 

Ahh thanks that makes sense and thankyou for the great asset by the way, its saving me allot of time and I'm getting my head around the way things work now I think!

FOV = Field Of View

I'm trying to make an AI that can see a Longer Distance with a FOV but will react no matter where its looking if you get to close. I've added Two distances to each transition one transition set to kick off closer than the other. I then add a FOV to the longer distance one. It doesn't seem to work though. I'll keep fiddling

 

There are no restrictions for this.

I know that this asset is going to be more complicated as i first thought. In the next version you can recreate all states with actions, but i want still keep the pre defined states so you have less settings todo if you just want to create fast an ai, otherwise i would recommend to use actions where you can do the most customization.

 

Zerano,

I have upgraded from version 1.2 to 1.3.1 Now I am getting the following error.

"The type or namespace name `CustomCondition' could not be found. Are you missing a using directive or an assembly" in my playerHealthCondition.cs script.

Also do I have to re-write the AI Controller. It seems pretty messed up when I tried to open the AI Controller. All my conditions look empty.

Thanks

 

Hello, yes i am very sorry, custom conditions are handled in the same way now as the regular conditions. You would need to derive from BaseCondition.

 

Zerano,

I am started to write my AI Controller again. Do you think 1.3.1 is stable enough to begin or there is some major release coming that will break the controller. It will be nice to have away to upgrade it without having to re-write from scratch. I had it working since I wanted to use the latest version which looks to have more features and much more streamlined. Wish me luck.

Thanks

 

I renamed a few things for the next version, so you would need to update some actions by hand, but there will be no such a big jump like it was from 1.2 to 1.3. Most of the things that will be new in 1.3.2 are more actions and some optimized states.

 

I've got a problem: My AIControllers have no properties
To recreate the problem I do the following steps
1. Create a new empty project (with no assets)
2. Open the window to the asset store and import the AI For Mechaninim v1.3.1 Beta
3. Double click Install Examples.

When they've installed
4. Create a plane
5. Drag the Ratkin model in
6. Right click in the Project Window and select create AIController
*Note it always creates it in the Assets folder (not the sub folder I have highlighted)


The AIController has no properties
and when I double click to open it I get the right side with the State but no left hand side with the properties.
I've created a little video to show whats happening

Also when I add the AI Runtime Controller it doesn't automatically add the Nav Mesh Agent

I am unable to do anything without the properties and dont know what to do

Roy

------------------------- some time later ---------------
Update:

I opened an old project where I had used Mechanim AI in the past and the properties on the AIController were fine ??
So I Right clicked in Project
Selected Export Package
Unticked everything
Then Ticked everything Starting Assets/AI
and exported to my loacal disk called "old mech AI"

Then I Imported "old mech AI" into a new project and it worked !!

So To summerise

If I download it from the asset Store it doesn't work cant use it.
If I use an old version which is the same version I think seeing as it hasn't been updated (officially) it works

Also when Install Examples (on the version from the asset store) I get a new menu option "Mobile Input"

What is going on? am I going mad??

Anyways I've got a work around I can continue for now.
But we need a stable update soon please.

 

From your video it is all working fine. Please checkout the included documentation file, there are also video tutorials to get started. The properties are for each state. So creating a new state for example Follow and selecting the state will show you properties that you can set in the inspector. I removed the automatic adding of NavMeshAgent, because this system can be also used without this component for 2D stuff, and soon also just with other things like Rigidbody and Character Controller(without pathfinding).

 

Yeah, I bought that script pack some time ago and I still have some of the files imported (the Attribute file is one of them). I'll delete it and see if it works.

Thank you very much!

 

It's working now!

Thanks Zerano and Mmmpies!

 

Wow I know how the confusion happened

I don't watch Youtube videos online I download the useful ones to my PC so I can scrub through and jump to any point in the video instantly without streaming.

So I have a large video tutorial library with a folder for Mechanim AI and I have the following HD videos:
Mecanim AI System.mp4
AI System - Enemy Damage.mp4
AI System - Custom Condition.mp4
AI System - Basic Information.mp4

Now I know everything is "in the cloud" these days but youtube has got slower over the years and is annoying when you want to find a particular point in a video.

I cant find the above videos on youtube anymore so I presume they've been removed, which is Good because there is nothing worse than an out of date video tutorial for causing confusion.

This is why I asked the question "is there a new version out? " on page 15 of this thread.

So it seems the PDF has changed which I didn't realise and therefore didn't re-read, and my video tutorials are out of date.

And you've fixed the Editor window bug !

It seems like there was a new version after all and it happened between page 13 and page 15 on this thread.

 

Ahh okay yes, i have reworked the pdf and added new tutorial links for youtube. The next version will also not contain the examples but you will get the links to the examples in the pdf. I decided to do it this way, because with each example the unitypackage gets bigger and if you not need them you should not download them for waste.

 

Ohh WOW - you've re-done the video tutorials, that's fantastic

I am very happy you are updating the documentation with your product (many developers don't) and it gives me great confidence in your software.

I can see now it was my fault for being a luddite and not reading things properly

Thanks for your great support.

 

I have a question and wondered if anyone had any ideas:

I want to use lineOfSight when the enemy is following the player
But I don't want the enemy to stop when it looses line of sight, I want it to go to the location vector of the player the last time it saw them.

In essence I want to follow state not to be following the player but going to the place it last saw the player.
So I think its a case of storing the vector 3 of the player each time line of sight is true.

Could that be done in AI for mechanim or do I need to write a script and reference it in AI for mechanim

My Reason
I want the player to be able to run around a couple of corners and hide, and the enemy to loose the player and give up the chase.

any help greatly appreciated.

 

Hello, it will be possible in the next version, i already added actions for this. The last thing i want to put in version 1.3.2 is the patrol option we spoke about a few pages back, then i can submit the update.

 

Hello folks,

I'm having an issue with my character sliding forward for another 1-2 seconds while in its Idle state after its transitioned from a follow state. It doesn't happen all the time but maybe 50% of the time. Any ideas what this could be due to?

Edit: Ok so I think its Nav mesh related, the red nav mesh line forces the character to walk to its end point when it looses view of the target, even when it has transitioned into idle. Is this a bug or any way to get round it?

Is there a way to test velocity in conditions? I can GetProjectedVelocity but have no way of using that value with Conditions?

 

Zerano,

I have written a custom condition to check the player health in 1.2. How do you achieve this in 1.3.1. ? Is there any simple way to do this ?

note : AIController is on the enemy.

Thanks

 

It is not possible in this version, but i already added this, i hope to submit the update tommorow.

 

You can just write translate your custom conditon. You need just to derive from BaseConditon and not from CustomCondition.I have not worked on it yet, but i will try to find a way to get/set properties in a generic way.

 

I’m having a similar issue. About 30% of the time, my enemy AI is skating when transitioning from Follow to Attack (via Idle). This causes it to end up on top of the target character whie it executes the Attack animation.

It does seem to be related to the navmesh. If the target only runs a short distance in a straight line, it doesn’t seem to happen - the enemy AI stops at the correct distance before attacking.

Any ideas? This behaviour occurs even if I just paste the Ratkin Slave into my scene (i.e. using its Mecanim animator and AI controller).

 

Sometimes an arrow icon for a transition is not drawn.

See the following:



Repainting with moving the Idle or MoveTo state makes the arrows to be shown again.

[NOTE]
It's not a AssetStore version but the svn version.


-Kim

 

There is null reference exception with adding AIRuntimeController without assigning an AIController asset.



Got the following error:

It may need to check null value of the AIContorller instance, see the patch:

Code (csharp):

1.  
2. Index: AIEditorWindow.cs
3. ===================================================================
4. --- AIEditorWindow.cs   (revision 3)
5. +++ AIEditorWindow.cs   (working copy)
6. @@ -19,6 +19,9 @@
7.  
8.     public static void Init (AIController controller)
9.     {
10. +       if (controller == null)
11. +           return;
12. +
13.         editor = (AIEditorWindow)EditorWindow.GetWindow (typeof(AIEditorWindow));
14.         editor.controller = controller;
15.         editor.title = controller.name;
16.  

It's not a AssetStore version but from svn repository one.


-Kim

 

I am going to take a closer look at it today.

Can you please update your local copy, because i can remember that i fixed this already. Please let me know if the bug happens on the latest version.

 

Hi Zerano

Just to help you out this is a simple setup that replicates the sliding in idle state.

<--------- should be an image

As the player moves out of range the AI will transition to idle but will 50% of the time carry on moving/sliding to the last place it saw the player.

Hope this helps!

 

You have very strange conditions, in the idle you check if the distance is less then 4 -> transition to follow. Then in the follow state you check if the distance is greater then 10 -> transition into idle state. This combination will will make the enemy walk into the player.
Maybe you want to stop the movement if the distance is less then 4. Then you have to set this condition in the follow state.

Are you trying to make maybe something like this? Sorry the gui changed a little bit, but the conditions gui is the same.

 

Hi Zerano,

Thanks for looking at this I'm trying to get the AI to only follow if it gets within range and to "lose interest" if it gets to far away. Your example is not what I was going for, it'll just follow the player until it gets within range?
I guess I am using the conditions in a way that was not anticipated

I might try using triggers instead to get the same effect.

 

This is fully possible, you would need to create an "or" condition. Simply make a second transition from follow to idle.

 

Although when the condition "distance greater than 10" is met and it goes to idle I'll get the same issue with the enemyAI sliding in "Idle" to the last target position 50% of the time.
The example I posted was a test to show the issue I was describing in the simplest way possible. The AI I've done works the way you suggest and actually works quite well I just have the sliding issue that I was trying to solve.

 

I played my and your example many times and could not reproduce it, but i used not version 1.3.1 .

 

Ah, ok well there's got to be something I'm doing differently then. Cheers for the checking it out, I'll hack something together to stop it from happening

Edit: I fixed it by putting a blank Follow state in between my Main Follow and idle states, I guess this resets the navmesh and forces it to stop

 

Here are some new information(please note that the documentation is still work in progress)

IK Examples
Ratkin Examples
NavMeshAgent Examples
UFPS Example
AStar Example

Documentation
Contact
Support Forum
Asset Store
AI For Mecanim on my Website

In future i would like to ask you to use the support forum for questions, because new users will get better results when they do a search.
I uploaded version 1.3.2 to my store and submitted to the asset store.

 

Where do you want it to be uploaded?

My account for the svn repository is limited to write the changes, it is only possible to read.

Anyway, I'll drop the patch file via your freenet.de email account.


Regards,


-Kim

 

Hey thank you, but i wanted to know if the error still exists if you update your svn to the latest version.

 

Hey kotor, i do not know if you have svn access, but this is possible out of the box now with the GetProperty action. You can get more information about it here. If you do not have svn access contact me and i can send you the update or give you svn access.

 

Thats great. Thank you. I will try it.

 

Where is the link to get to svn ?

 

I don't see Mecanim parameter name Example on screen below.

 

Request for UFPS Tutorial / Example:

I'm trying to get the damage working with UFPS and AI for Mechanim
I've done the following
Create a new layer at position 30 and call it LocalPlayer. Use this layer in the LineOfSight condition mask.
Disable hasCollisionTrigger in the Vp_FPController script under the physics.
Add a new Capsule Collider tot he player and set isTrigger to true
Add UFPSDamageReceiver to all enemies that should reduce an attribute.
it is not working the rat tries to hit me but causes no damage.

Also there is no damage in the UFPS Example
I was hoping to see how it was done in The UFPS Example but it isn't working anymore
I've created a new project
Installed UFPS
Installed AI System
Clicked install UFPS Example
Clicked install Examples
Loaded up the AI Example scene and I get the following problems.
Animator has not been initialized on the 3 Bots (missing animator controller warning) (not a problem I can remove from the scene)
The Robot Kyle chases and shoots at me causing NO damage
Also if I get too close to Robot Kyle I get an error MissingReferenceException: The object of type 'GameObject' has been destroyed but you are still trying to access it.

I can damage the Robot Kyle with my mace
I can take damage from explosions

So I'm a bit stuck

 

This is an external system, please pm me a username/password that you would like to use and i will add you and send you the link where you can check out it.

Well the problem here is then that your animator controller does not contain an integer parameter. i know i need to add a message and will do so. Maybe you are trying to set a float?

 

No... My character controller has integers, booleans, floats... Still parameter name no showing...

 

Zerano,

I have created a EnemyDwarf AI Controller. I want to use the same AI Controller in my different scenes. I Can't use it since the patrol points will be different in different scenes. The only way I can use it to copy it and use a different patrol points. Do you have any other suggestion ?

Thanks

 

Ohh okay i will look into it. Does it work with SetFloat or SetBool?

Currently this is the only way to work with when working with patrol

I realy would like to ask you to post your questions or bugs in the support forum.

 

Unfortunately no

 

Where is the support forum? I looked for one, I do apologise if I posted my question in the wrong place. Is this the support forum?
I'm a little bit confused.

 

Here is new information:
IK Examples
Ratkin Examples
NavMeshAgent Examples
UFPS Example
AStar Example

Documentation
Contact
Support Forum
Asset Store
AI For Mecanim on my Website

 

I've checked the bug with 1.3.2b from the svn's latest code.

It's gone now, thanks for your proceeding.


-Kim

 

I have recorded 2 new video tutorials on how to apply damage to the player from a projectile and from a meele attack in UFPS.
Forum Post

 

Great Zerano and Mmmpies!
I had same problem because also in the code that I had developed I had a Attribute class that was incompatible with the System.Attribute class; adding System.Attribute like Zerano had suggested works!
Better solution and a "best practice" is adding a namespace for all code that I developed..