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unity-guid-regenerator

(★ 245)

:id: GUID regenerator for Unity assets

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Download Latest Version (.zip)

- FUNDING.yml
- DemoScriptMeta.png
- DemoScriptMeta.png.meta
- instructions-1.png
- instructions-1.png.meta
- README.md
- README.md.meta
- AssetGUIDRegenerator.cs
- AssetGUIDRegenerator.cs.meta
- jeffjadulco.guidregenerator.editor.asmdef
- jeffjadulco.guidregenerator.editor.asmdef.meta
.gitignore
assets.meta
CHANGELOG.md
CHANGELOG.md.meta
Documentation.meta
Editor.meta
LICENSE.md
LICENSE.md.meta
package.json
package.json.meta
README.md
README.md.meta

# Installation Guide

1. Get the code

git clone https://github.com/jeffjadulco/unity-guid-regenerator

Downloads the entire project code from GitHub to your computer.

cd unity-guid-regenerator

Moves into the project folder you just downloaded.

2. Node.js

Easy Recommended

Prerequisites

Git Needed to download the project code from GitHub.
Node.js Node.js must be installed to use npm. The LTS version is recommended.

npm install

Downloads and installs the libraries listed in package.json.

npm start

Starts the development/run server.

✅ After running the command, open the address shown in the terminal (usually something like http://localhost:3000) in your browser.

// repository documentation

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# :id: Unity GUID Regenerator
[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT) [![No Maintenance Intended](http://unmaintained.tech/badge.svg)](http://unmaintained.tech/)

A Unity editor tool to regenerate GUID for your assets

> :warning: **Disclaimer**: Only use this if needed. Intentionally modifying the GUID of an asset is not recommended unless certain files are problematic

## What is GUID in Unity?
GUID is a unique hash that is automatically generated and assigned when creating a new asset. This GUID is used when a serialized asset references another asset.

![GUID](https://raw.githubusercontent.com/jeffjadulco/unity-guid-regenerator/master/assets/DemoScriptMeta.png)

It is stored in an asset's meta file. Manually you can open and view a meta file in a text editor to get the GUID. However, Unity has its [AssetDatabase](https://docs.unity3d.com/ScriptReference/AssetDatabase.html) API that is useful for accessing and performing operations on assets.

## Why regenerate a GUID?
When you work on multiple projects that are based on existing projects, chances are most of the assets have the same GUID. This can cause some issues later on when you add more assets from existing projects. Unity won't be able to distinguish the difference between assets with same GUID even they have different file name and contents. This can cause Unity to associate references to the wrong asset.

The simplest workaround for this is to duplicate the asset. The newly created asset will have its own GUID assigned by Unity. However, you will need to manually replace all its references in the Scene, prefabs, etc.

## Installation
1. Unity Editor > Windows > Package Manager
2. Add package from git URL...
3. Enter `https://github.com/jeffjadulco/unity-guid-regenerator.git`

## Usage
![inst](https://raw.githubusercontent.com/jeffjadulco/unity-guid-regenerator/master/assets/instructions-1.png)
1. Select one or multiple assets (folders are not supported)
2. Right click > **Generate GUID**
3. A modal will show to warn and confirm the action. **Click Proceed**.
4. Wait for the operation to complete. *Note that this will take a long time on larger projects.*
5. A report will be logged in the console detailling what assets are updated/skipped.

## Notes
- Scenes are always skipped as this corrupts the scene.

## Author
- [Jeff Jadulco](https://github.com/jeffjads)

## License
This project is open source and available under the [MIT License](LICENSE).