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Fix T103564: creating a color attribute doesn't make it active 

This was the case when done via the py-API.

Now also set active_color_attribute / default_color_attribute on newly
created attributes (in case none exist yet).

Maniphest Tasks: T103564

Differential Revision: https://developer.blender.org/D16898
This commit is contained in:
Philipp Oeser 2023-01-02 15:27:00 +01:00
parent e438e8e04e
commit 101d04f41f
Notes: blender-bot 2024-02-16 15:39:38 +01:00 
Referenced by issue #103761, Regression: Creating the first vertex color on a mesh does not always make it active/default
Referenced by issue #103564, Scripting: creating a corner-domain color attribute doesn't make it active
Referenced by pull request #105020, Fix #103761: creating a color attribute doesn't make it active
Referenced by commit acfafeed88, Fix #103761: creating a color attribute doesn't make it active
Referenced by pull request #109910, Fix #103410: name collisions between vertex groups and attributes
Referenced by commit 12ef20990b, Fix #103410: name collisions between vertex groups and attributes
Referenced by pull request #118378, Fix #107228: AttributeGroup.new crash when layer cannot be created
Referenced by commit 745d2e18dc, Fix #107228: AttributeGroup.new crash when layer cannot be created
1 changed files with 11 additions and 0 deletions
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11
source/blender/makesrna/intern/rna_attribute.c
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@ -389,6 +389,17 @@ static PointerRNA rna_AttributeGroup_new(
ID *id, ReportList *reports, const char *name, const int type, const int domain)
{
CustomDataLayer *layer = BKE_id_attribute_new(id, name, type, domain, reports);
if ((GS(id->name) == ID_ME) && ELEM(layer->type, CD_PROP_COLOR, CD_PROP_BYTE_COLOR)) {
Mesh *mesh = (Mesh *)id;
if (!mesh->active_color_attribute) {
mesh->active_color_attribute = BLI_strdup(layer->name);
}
if (!mesh->default_color_attribute) {
mesh->default_color_attribute = BLI_strdup(layer->name);
}
}
DEG_id_tag_update(id, ID_RECALC_GEOMETRY);
WM_main_add_notifier(NC_GEOM | ND_DATA, id);