int ED_mesh_uv_texture_add(bContext *C, Scene *scene, Object *ob, Mesh *me)
{
EditMesh *em;
int layernum;
if(me->edit_mesh) {
em= me->edit_mesh;
layernum= CustomData_number_of_layers(&em->fdata, CD_MTFACE);
if(layernum >= MAX_MTFACE)
return OPERATOR_CANCELLED;
EM_add_data_layer(em, &em->fdata, CD_MTFACE);
CustomData_set_layer_active(&em->fdata, CD_MTFACE, layernum);
}
else {
layernum= CustomData_number_of_layers(&me->fdata, CD_MTFACE);
if(layernum >= MAX_MTFACE)
return OPERATOR_CANCELLED;
if(me->mtface)
CustomData_add_layer(&me->fdata, CD_MTFACE, CD_DUPLICATE, me->mtface, me->totface);
else
CustomData_add_layer(&me->fdata, CD_MTFACE, CD_DEFAULT, NULL, me->totface);
CustomData_set_layer_active(&me->fdata, CD_MTFACE, layernum);
mesh_update_customdata_pointers(me);
}
DAG_id_flush_update(&me->id, OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GEOM|ND_DATA, me);
return 1;
}
int ED_mesh_color_add(bContext *C, Scene *UNUSED(scene), Object *UNUSED(ob), Mesh *me, const char *name, int active_set)
{
EditMesh *em;
MCol *mcol;
int layernum;
if(me->edit_mesh) {
em= me->edit_mesh;
layernum= CustomData_number_of_layers(&em->fdata, CD_MCOL);
if(layernum >= MAX_MCOL)
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);
}
else {
layernum= CustomData_number_of_layers(&me->fdata, CD_MCOL);
if(layernum >= MAX_MCOL)
return 0;
mcol= me->mcol;
if(me->mcol)
CustomData_add_layer_named(&me->fdata, CD_MCOL, CD_DUPLICATE, me->mcol, me->totface, name);
else
CustomData_add_layer_named(&me->fdata, CD_MCOL, CD_DEFAULT, NULL, me->totface, name);
if(active_set || layernum==0)
CustomData_set_layer_active(&me->fdata, CD_MCOL, layernum);
mesh_update_customdata_pointers(me);
}
DAG_id_tag_update(&me->id, 0);
WM_event_add_notifier(C, NC_GEOM|ND_DATA, me);
return 1;
}
int ED_mesh_uv_texture_add(bContext *C, Mesh *me, const char *name, int active_set)
{
EditMesh *em;
int layernum;
if(me->edit_mesh) {
em= me->edit_mesh;
layernum= CustomData_number_of_layers(&em->fdata, CD_MTFACE);
if(layernum >= MAX_MTFACE)
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);
}
else {
layernum= CustomData_number_of_layers(&me->fdata, CD_MTFACE);
if(layernum >= MAX_MTFACE)
return 0;
if(me->mtface)
CustomData_add_layer_named(&me->fdata, CD_MTFACE, CD_DUPLICATE, me->mtface, me->totface, name);
else
CustomData_add_layer_named(&me->fdata, CD_MTFACE, CD_DEFAULT, NULL, me->totface, name);
if(active_set || layernum==0)
CustomData_set_layer_active(&me->fdata, CD_MTFACE, layernum);
mesh_update_customdata_pointers(me);
}
DAG_id_tag_update(&me->id, 0);
WM_event_add_notifier(C, NC_GEOM|ND_DATA, me);
return 1;
}
int ED_mesh_color_add(bContext *C, Scene *scene, Object *ob, Mesh *me)
{
EditMesh *em;
MCol *mcol;
int layernum;
if(me->edit_mesh) {
em= me->edit_mesh;
layernum= CustomData_number_of_layers(&em->fdata, CD_MCOL);
if(layernum >= MAX_MCOL)
return 0;
EM_add_data_layer(em, &em->fdata, CD_MCOL);
CustomData_set_layer_active(&em->fdata, CD_MCOL, layernum);
}
else {
layernum= CustomData_number_of_layers(&me->fdata, CD_MCOL);
if(layernum >= MAX_MCOL)
return 0;
mcol= me->mcol;
if(me->mcol)
CustomData_add_layer(&me->fdata, CD_MCOL, CD_DUPLICATE, me->mcol, me->totface);
else
CustomData_add_layer(&me->fdata, CD_MCOL, CD_DEFAULT, NULL, me->totface);
CustomData_set_layer_active(&me->fdata, CD_MCOL, layernum);
mesh_update_customdata_pointers(me);
if(!mcol)
shadeMeshMCol(scene, ob, me);
}
DAG_id_flush_update(&me->id, OB_RECALC_DATA);
WM_event_add_notifier(C, NC_GEOM|ND_DATA, me);
return 1;
}
void BKE_editmesh_update_linked_customdata(BMEditMesh *em)
{
BMesh *bm = em->bm;
int act;
if (CustomData_has_layer(&bm->pdata, CD_MTEXPOLY)) {
act = CustomData_get_active_layer(&bm->pdata, CD_MTEXPOLY);
CustomData_set_layer_active(&bm->ldata, CD_MLOOPUV, act);
act = CustomData_get_render_layer(&bm->pdata, CD_MTEXPOLY);
CustomData_set_layer_render(&bm->ldata, CD_MLOOPUV, act);
act = CustomData_get_clone_layer(&bm->pdata, CD_MTEXPOLY);
CustomData_set_layer_clone(&bm->ldata, CD_MLOOPUV, act);
act = CustomData_get_stencil_layer(&bm->pdata, CD_MTEXPOLY);
CustomData_set_layer_stencil(&bm->ldata, CD_MLOOPUV, act);
}
}
static void delete_customdata_layer(bContext *C, Object *ob, CustomDataLayer *layer)
{
Mesh *me = ob->data;
CustomData *data= (me->edit_mesh)? &me->edit_mesh->fdata: &me->fdata;
void *actlayerdata, *rndlayerdata, *clonelayerdata, *stencillayerdata, *layerdata=layer->data;
int type= layer->type;
int index= CustomData_get_layer_index(data, type);
int i, actindex, rndindex, cloneindex, stencilindex;
/* ok, deleting a non-active layer needs to preserve the active layer indices.
to do this, we store a pointer to the .data member of both layer and the active layer,
(to detect if we're deleting the active layer or not), then use the active
layer data pointer to find where the active layer has ended up.
this is necassary because the deletion functions only support deleting the active
layer. */
actlayerdata = data->layers[CustomData_get_active_layer_index(data, type)].data;
rndlayerdata = data->layers[CustomData_get_render_layer_index(data, type)].data;
clonelayerdata = data->layers[CustomData_get_clone_layer_index(data, type)].data;
stencillayerdata = data->layers[CustomData_get_stencil_layer_index(data, type)].data;
CustomData_set_layer_active(data, type, layer - &data->layers[index]);
if(me->edit_mesh) {
EM_free_data_layer(me->edit_mesh, data, type);
}
else {
CustomData_free_layer_active(data, type, me->totface);
mesh_update_customdata_pointers(me);
}
if(!CustomData_has_layer(data, type) && (type == CD_MCOL && (ob->mode & OB_MODE_VERTEX_PAINT)))
ED_object_toggle_modes(C, OB_MODE_VERTEX_PAINT);
/* reconstruct active layer */
if (actlayerdata != layerdata) {
/* find index */
actindex = CustomData_get_layer_index(data, type);
for (i=actindex; i<data->totlayer; i++) {
if (data->layers[i].data == actlayerdata) {
actindex = i - actindex;
break;
}
}
/* set index */
CustomData_set_layer_active(data, type, actindex);
}
if (rndlayerdata != layerdata) {
/* find index */
rndindex = CustomData_get_layer_index(data, type);
for (i=rndindex; i<data->totlayer; i++) {
if (data->layers[i].data == rndlayerdata) {
rndindex = i - rndindex;
break;
}
}
/* set index */
CustomData_set_layer_render(data, type, rndindex);
}
if (clonelayerdata != layerdata) {
/* find index */
cloneindex = CustomData_get_layer_index(data, type);
for (i=cloneindex; i<data->totlayer; i++) {
if (data->layers[i].data == clonelayerdata) {
cloneindex = i - cloneindex;
break;
}
}
/* set index */
CustomData_set_layer_clone(data, type, cloneindex);
}
if (stencillayerdata != layerdata) {
/* find index */
stencilindex = CustomData_get_layer_index(data, type);
for (i=stencilindex; i<data->totlayer; i++) {
if (data->layers[i].data == stencillayerdata) {
stencilindex = i - stencilindex;
break;
}
}
/* set index */
CustomData_set_layer_stencil(data, type, stencilindex);
}
}
