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Render: Update lightgroup membership in objects and world if lightgroup is renamed

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As discussed, this only updates objects in and the world of the scene to which the view layer belongs, which also avoids the problem of not having a BMain available.

Differential Revision: https://developer.blender.org/D14740
This commit is contained in:
Lukas Stockner
2022-05-16 10:52:49 +02:00
committed by Lukas Stockner
parent f7d5aaa365
commit 6db059e3d7
3 changed files with 29 additions and 3 deletions
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27
source/blender/blenkernel/intern/layer.c
View File

@@ -39,6 +39,7 @@
#include "DNA_view3d_types.h"
#include "DNA_windowmanager_types.h"
#include "DNA_workspace_types.h"
#include "DNA_world_types.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_debug.h"
@@ -2588,12 +2589,36 @@ ViewLayer *BKE_view_layer_find_with_lightgroup(struct Scene *scene,
return NULL;
}
void BKE_view_layer_rename_lightgroup(ViewLayer *view_layer,
void BKE_view_layer_rename_lightgroup(Scene *scene,
ViewLayer *view_layer,
ViewLayerLightgroup *lightgroup,
const char *name)
{
char old_name[64];
BLI_strncpy_utf8(old_name, lightgroup->name, sizeof(old_name));
BLI_strncpy_utf8(lightgroup->name, name, sizeof(lightgroup->name));
viewlayer_lightgroup_make_name_unique(view_layer, lightgroup);
if (scene != NULL) {
/* Update objects in the scene to refer to the new name instead. */
FOREACH_SCENE_OBJECT_BEGIN (scene, ob) {
if (!ID_IS_LINKED(ob) && ob->lightgroup != NULL) {
LightgroupMembership *lgm = ob->lightgroup;
if (STREQ(lgm->name, old_name)) {
BLI_strncpy_utf8(lgm->name, lightgroup->name, sizeof(lgm->name));
}
}
}
FOREACH_SCENE_OBJECT_END;
/* Update the scene's world to refer to the new name instead. */
if (scene->world != NULL && !ID_IS_LINKED(scene->world) && scene->world->lightgroup != NULL) {
LightgroupMembership *lgm = scene->world->lightgroup;
if (STREQ(lgm->name, old_name)) {
BLI_strncpy_utf8(lgm->name, lightgroup->name, sizeof(lgm->name));
}
}
}
}
void BKE_lightgroup_membership_get(struct LightgroupMembership *lgm, char *name)