More newb friendly getting started. about 2d-extras HOT 4 OPEN

For any other newbs (like me) who find this, it seems like all you have to do is:

1. pull down the code
2. copy the Tilemap directory out of the assets folder from the downloaded project and paste it into the assets folder of your project.
3. right click in the asset window hover over create and see the tiles and brushes options.
   

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I feel like a moron, but this isn't working for me. If I just copy Assets->Assets I get two errors:
Assets/Tilemap/Brushes/GameObject Brush/Scripts/Editor/GameObjectBrush.cs(182,51): error CS0117: UnityEditor.PrefabUtility' does not contain a definition for GetCorrespondingObjectFromSource'
Assets/Tilemap/Brushes/GameObject Brush/Scripts/Editor/GameObjectBrush.cs(394,31): error CS0117: UnityEditor.PrefabUtility' does not contain a definition for IsPartOfPrefabAsset'

This happens whether I'm installing it into an existing project or a new one and I can't find any information about it. Help?

from 2d-extras.

@Dantzes If you got the master branch, you will need to use Unity 2018.3 and above. The errors you get are from new APIs for Nested Prefabs in Unity 2018.3.

If you are using Unity 2018.2, you can try the 2018.2 branch. Otherwise, it will be the 2017.1 branch.

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I am having this issue with unity 2019.3.0a2, I did however just update my project from the most recent unity 2018 build. That said I had not used the 2d-extras before I updated I am going to try loading a update backup in unity 2018 with the branch for 2018 and hope that works but I was looking forward to using some other new features in unity 2019

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