What happened to CharacterMotor in 3.4?

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New to Unity and still recovering from upgrading to 3.4.

I upgraded to 3.4 and then started Unity and selected my game to load.

Immediately got hit by a bunch of errors from standard asset scripts. Learned (with forum help) I had to delete and reimport them.

Now I have the following remaining error:

Assets/WCW/Scripts/Khelna_FPSController.js(1,21): BCE0018: The name 'CharacterMotor' does not denote a valid type ('not found'). Did you mean 'UnityEngine.CharacterJoint'?

Here is the line of code:

private var motor : CharacterMotor;

What happened to CharacterMotor in 3.4? Is there documentation that I have missed that tells me what I should do?

Thanks for any help.

Answer 1

Answer by aldonaletto · Aug 04, 2011 at 04:35 AM

This error indicates the script CharacterMotor.js was not found, or has not been compiled yet. When a script is compiled, Unity creates a new type with the same script name (but without quotes or extension), which is not being found at this compilation stage. Could it be caused by compilation order? (take a look here)

EDITED: To be more specific: CharacterMotor.js doesn't exist in your project, but the script Khelna_FPSController.js declares the variable motor with this type. (CharacterMotor.js is a script used in the Assets/Standard Assets/Character Controllers/First Person Controller).
At the end of 3.4 What's New, they mention that improved type checking could cause some scripts ok in 3.3 to produce errors in 3.4.
You have two alternatives: import the package Character Controller to your project (menu Assets/Import Package...) or remove the script Khelna_FPSController.js from the Assets folder, if you're not using it at all (every script in Assets or its subfolders is compiled and must be free of errors, even if you don't ever use it).

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rsud · Aug 05, 2011 at 05:03 AM 0

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This does not appear to be my issue. I can't find CharacterMotor.js in my 3.3 project (I saved a copy). And it is not in 3.4. I don't think this relates to a missing script.

aldonaletto · Aug 05, 2011 at 11:18 AM 0

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That's exactly the problem: you don't have CharacterMotor.js but Assets/WCW/Scripts/$$anonymous$$helna_FPSController.js declares a variable of type CharacterMotor. Take a look above: I edited my answer to give you more details.

rsud · Aug 08, 2011 at 03:24 PM 0

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Thanks for the further clarification.

I did re-import all the standard assests and standard assests (mobile) but took a bit and had to learn that right clicking and selecting reimport is not a reimport...

That got rid of a bunch of errors but this one remains. Isn't CharacterMotor a "standard" Unity object like transform, or gameobject, etc....?

aldonaletto · Aug 08, 2011 at 06:39 PM 0

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No, what is standard is the CharacterController, a kind of rigidbody+collider equivalent designed to be used in live creatures like the player, enemies, monsters etc. CharacterMotor is the script CharacterMotor.js (one of the Unity's First Person Controller prefab scripts), and the script $$anonymous$$helna_FPSController.js needs it. Are you using this $$anonymous$$helna-whatever script? If not, you can move it out of the Assets folder, and this will stop errors.
If you're not sure, however, import CharacterMotor.js by clicking the menu Assets/Import Package/Character Controller: a window named Importing Package will appear, and you will see the CharacterMotor.js among other itens - make sure it's checked and click the button Import.

What happened to CharacterMotor in 3.4?

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