Philipp Oeser 16e4eeb9c0 Text objects: make CharInfo mat_nr zero-based
For text objects, the CharInfo mat_nr material index used to start at 1
(not at zero like for meshes or nurbs).
Code was mostly considering this (but not in all places, so material
index handling (removing/moving) could still go wrong.

As an alternative to !109746 (where it was made sure all places would
make the right assumption about mat_nr starting at 1), this PR now
changes the mat_nr to be zero-based.

This is more in line with other places handling material indices.

Versioning code is in place to properly convert old files.

Fixes #109491

Pull Request: https://projects.blender.org/blender/blender/pulls/112954
2023-09-28 11:46:52 +02:00
2023-08-30 22:36:36 +02:00
2023-09-28 14:23:11 +10:00
2023-09-27 23:45:10 +02:00
2023-08-29 15:09:05 +10:00
2023-08-16 19:29:47 +02:00

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