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NodeTree structures of materials and some other data blocks are effectively node group datablock objects that are contained inside the parent block. Thus, direct references to them are only valid while blender is running, and are lost on save. Fix Copy As New Driver to create a reference that goes through the owner datablock, by adding a new ID flag to mark private pseudo-datablocks. Also fix functions that return full paths to structures and properties, e.g. used in python tooltips. Functions for paths from ID to struct or property can't be changed because of Animation Data related code. Reviewers: mont29 Differential Revision: https://developer.blender.org/D5559
.. Keep this document short & concise, linking to external resources instead of including content in-line. See 'release/text/readme.html' for the end user read-me. Blender ======= Blender is the free and open source 3D creation suite. It supports the entirety of the 3D pipeline-modeling, rigging, animation, simulation, rendering, compositing, motion tracking and video editing. .. figure:: https://code.blender.org/wp-content/uploads/2018/12/springrg.jpg :scale: 50 % :align: center Project Pages ------------- - `Main Website <http://www.blender.org>`__ - `Reference Manual <https://docs.blender.org/manual/en/latest/index.html>`__ - `User Community <https://www.blender.org/community/>`__ Development ----------- - `Build Instructions <https://wiki.blender.org/wiki/Building_Blender>`__ - `Code Review & Bug Tracker <https://developer.blender.org>`__ - `Developer Forum <https://devtalk.blender.org>`__ - `Developer Documentation <https://wiki.blender.org>`__ License ------- Blender as a whole is licensed under the GNU Public License, Version 3. Individual files may have a different, but compatible license. See `blender.org/about/license <https://www.blender.org/about/license>`__ for details.