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Fix #27176: Creating a new UV layer in edit mode fails to copy previous one

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Implemented copying data from active MTFACE layer to newly created.
Also, fixed the same bug with vertex colors layer.
This commit is contained in:
Sergey Sharybin
2011-04-27 08:35:03 +00:00
parent bc6828426d
commit da9d559f36
1 changed files with 19 additions and 0 deletions
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19
source/blender/editors/mesh/mesh_data.c
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@@ -163,6 +163,17 @@ static void delete_customdata_layer(bContext *C, Object *ob, CustomDataLayer *la
}
}
static void copy_editface_active_customdata(EditMesh *em, int type, int index)
{
EditFace *efa;
int n= CustomData_get_active_layer(&em->fdata, type);
for(efa= em->faces.first; efa; efa= efa->next) {
void *data= CustomData_em_get_n(&em->fdata, efa->data, type, n);
CustomData_em_set_n(&em->fdata, efa->data, type, index, data);
}
}
int ED_mesh_uv_texture_add(bContext *C, Mesh *me, const char *name, int active_set)
{
EditMesh *em;
@@ -176,6 +187,10 @@ int ED_mesh_uv_texture_add(bContext *C, Mesh *me, const char *name, int active_s
return 0;
EM_add_data_layer(em, &em->fdata, CD_MTFACE, name);
if(layernum) /* copy data from active UV */
copy_editface_active_customdata(em, CD_MTFACE, layernum);
if(active_set || layernum==0)
CustomData_set_layer_active(&em->fdata, CD_MTFACE, layernum);
}
@@ -234,6 +249,10 @@ int ED_mesh_color_add(bContext *C, Scene *scene, Object *ob, Mesh *me, const cha
return 0;
EM_add_data_layer(em, &em->fdata, CD_MCOL, name);
if(layernum) /* copy data from active vertex color layer */
copy_editface_active_customdata(em, CD_MCOL, layernum);
if(active_set || layernum==0)
CustomData_set_layer_active(&em->fdata, CD_MCOL, layernum);
}