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A tool to let the user quickly duplicate their unity project without copying all the assets, for multiplayer testing


One method of quickly debugging multiplayer code is to run multiple unity editors of the same project, and inspect each instance as it works its way through the server/client functions. This is disabled by design for a unity project because of file IO concerns, so this tool lets you get around that by cloning your unity project and creating a series of hard links/junctions in your new cloned folder. These links point back to the original, which can let you edit code and see the results fairly quickly in each cloned unity.


There's a couple ways you can add this to a unity project:

  1. Place this code anywhere in your project!
  2. Check this project out somewhere else and point to it with your Unity package manifest: "com.hwaet.projectcloner": "file:../../../../[relative path from your manifest file to the package.json]"
  3. If you've got git installed on your machine, (and unity is > 2018.3.0b7) add a line in your package manifest that points straight here! "com.hwaet.projectcloner": ""


The new cloned project will be placed right next to the original. So your folder structure will look like:

  • Root/ProjectName
  • Root/ProjectName_clone

To open the window which allows to create a clone and manage it, in Unity Editor go to "Tools/Project Cloner". After the clone is created, you can launch it from the same window ("Open clone project" button will appear there). No need to add the clone to Unity Hub or anywhere else.

Future Plans:

  • I'm currently using a terminal command to create the folder links instead of kernel32, and that would be much wiser. So that'll be implemented in future passes of this.
  • Mac and linux suport would be swell.
  • Add multiple clones management functionality to GUI window. Currently it is possible to just do one clone, but it might be handy to be able to test multiple versions this way.


A tool to let the user to create a duplicate project that links back to the original, for multiplayer testing




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