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Multi-Objects: Select similar face SIMFACE_AREA and SIMFACE_PERIMETER 

Note: Not doing worldspace comparison for now. We would need to create new
BM_face_calc_area and BM_face_calc_perimeter equivalent functions for that.

Not sure if it is worth the trouble.
This commit is contained in:
Dalai Felinto 2018-09-25 17:36:37 -03:00
parent 3618646e71
commit c32b63f8fd
1 changed files with 47 additions and 4 deletions
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51
source/blender/editors/mesh/editmesh_select_similar.c
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@ -171,18 +171,19 @@ static bool select_similar_compare_float_tree(const KDTree *tree, const float le
/** \name Select Similar Face
* \{ */
/* TODO(dfelinto): `types` that should technically be compared in world space but are not:
* -SIMFACE_AREA
* -SIMFACE_PERIMETER
*/
static int similar_face_select_exec(bContext *C, wmOperator *op)
{
ViewLayer *view_layer = CTX_data_view_layer(C);
/* get the type from RNA */
const int type = RNA_enum_get(op->ptr, "type");
//const float thresh = RNA_float_get(op->ptr, "threshold");
const float thresh = RNA_float_get(op->ptr, "threshold");
const int compare = RNA_enum_get(op->ptr, "compare");
if (ELEM(type,
SIMFACE_AREA,
SIMFACE_PERIMETER,
SIMFACE_NORMAL,
SIMFACE_COPLANAR,
SIMFACE_SMOOTH,
@ -209,15 +210,21 @@ static int similar_face_select_exec(bContext *C, wmOperator *op)
return OPERATOR_CANCELLED;
}
KDTree *tree = NULL;
GSet *gset = NULL;
switch (type) {
case SIMFACE_AREA:
case SIMFACE_PERIMETER:
tree = BLI_kdtree_new(tot_faces_selected_all);
break;
case SIMFACE_SIDES:
case SIMFACE_MATERIAL:
gset = BLI_gset_ptr_new("Select similar face");
break;
}
int tree_index = 0;
for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
Object *ob = objects[ob_index];
BMEditMesh *em = BKE_editmesh_from_object(ob);
@ -256,11 +263,30 @@ static int similar_face_select_exec(bContext *C, wmOperator *op)
}
break;
}
case SIMFACE_AREA:
{
float area = BM_face_calc_area(face);
float dummy[3] = {area, 0.0f, 0.0f};
BLI_kdtree_insert(tree, tree_index++, dummy);
break;
}
case SIMFACE_PERIMETER:
{
float perimeter = BM_face_calc_perimeter(face);
float dummy[3] = {perimeter, 0.0f, 0.0f};
BLI_kdtree_insert(tree, tree_index++, dummy);
break;
break;
}
}
}
}
}
if (tree != NULL) {
BLI_kdtree_balance(tree);
}
for (uint ob_index = 0; ob_index < objects_len; ob_index++) {
Object *ob = objects[ob_index];
BMEditMesh *em = BKE_editmesh_from_object(ob);
@ -319,6 +345,22 @@ static int similar_face_select_exec(bContext *C, wmOperator *op)
}
break;
}
case SIMFACE_AREA:
{
float area = BM_face_calc_area(face);
if (select_similar_compare_float_tree(tree, area, thresh, compare)) {
select = true;
}
break;
}
case SIMFACE_PERIMETER:
{
float perimeter = BM_face_calc_perimeter(face);
if (select_similar_compare_float_tree(tree, perimeter, thresh, compare)) {
select = true;
}
break;
}
}
if (select) {
@ -335,6 +377,7 @@ static int similar_face_select_exec(bContext *C, wmOperator *op)
}
MEM_freeN(objects);
BLI_kdtree_free(tree);
if (gset != NULL) {
BLI_gset_free(gset, NULL);
}