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Fix T82810: UV Editor, Crash with switching between single image and UDIM tile 

Active tile could be NULL when it was on the second tile before
switching back and forth between the Image/UDIM.

In the future we might also check that the active_tile_index is always
valid.
This commit is contained in:
Jeroen Bakker 2020-11-18 13:12:19 +01:00
parent 4b55abc335
commit 549a1cac88
Notes: blender-bot 2023-02-13 22:20:49 +01:00 
Referenced by issue #82810, UV Editor, Crash with switching between single image and UDIM tile
1 changed files with 7 additions and 5 deletions
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12
source/blender/draw/engines/overlay/overlay_edit_uv.c
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@ -268,11 +268,13 @@ void OVERLAY_edit_uv_cache_init(OVERLAY_Data *vedata)
if (pd->edit_uv.do_tiled_image_overlay) {
/* Active tile border */
ImageTile *active_tile = BLI_findlink(&image->tiles, image->active_tile_index);
obmat[3][0] = (float)((active_tile->tile_number - 1001) % 10);
obmat[3][1] = (float)((active_tile->tile_number - 1001) / 10);
grp = DRW_shgroup_create(sh, psl->edit_uv_tiled_image_borders_ps);
DRW_shgroup_uniform_vec4_copy(grp, "color", selected_color);
DRW_shgroup_call_obmat(grp, geom, obmat);
if (active_tile) {
obmat[3][0] = (float)((active_tile->tile_number - 1001) % 10);
obmat[3][1] = (float)((active_tile->tile_number - 1001) / 10);
grp = DRW_shgroup_create(sh, psl->edit_uv_tiled_image_borders_ps);
DRW_shgroup_uniform_vec4_copy(grp, "color", selected_color);
DRW_shgroup_call_obmat(grp, geom, obmat);
}
}
}