a4b8d214c6
Related commit:82aa300e1c/5596f7982182aa300e1cmade it so that if only linked images are used, painting would be prohibited. But since painting in Material mode actualy paints across all materials it could happen that one particular image is linked whereas another image isnt. In this case, painting on the linked image would not be prohibited. Two issues: - [1] logic in above commit(s) seems slightly wrong, we could still pass the check for linked images (also no image here should also not result in a positive check I think). - [2] code in `project_paint_prepare_all_faces` would still work with linked images in slots, so -- `ProjPaintState` -> `image_tot` was incremented -- `ProjPaintImage` was created -- this then ends up in the undo push - and crashes on undo So now [1] is rectified and for [2] we skip faces with associated linked images. In addition, slots with linked images are now also greyed out in the UI (`VIEW3D_PT_slots_projectpaint`) to give some sort of hint. For the future it would probably also be good to dissallow selection of such paint slots, but that is for another commit. Pull Request: https://projects.blender.org/blender/blender/pulls/115263
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