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Root of the issue is that point caches are added to the object's list on-demand, which often ends up with them being added only during depsgraph evaluation, i.e. on COW objects. This could result in having 'orig' data caches with invalid/unset stack index at some points (e.g. when reading a file and applying liboverrides), leading to discarding valid existing disk cache files. Fact that one of those index is signed, and the other not, does not help... While this is very weak, fixing broken PointCache code is out of the scope of a bug fix, so this patch merely: * Simplifies and factorizes the code generating the 'extension' part of caches filenames; * Ensures `BKE_object_insert_ptcache` is called when needed so that we always have a valid stack index to generate that filename extension. This is only a bandaid, but it is simple and should be safe enough for now. Related to T82503.
.. 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.