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BMesh: join tris, split angle limit in two

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Use a separate limit for face-angle and shape comparisons.

There was no way to join non-rectangular, co-planer tries.
This commit is contained in:
Campbell Barton
2015-05-26 14:27:38 +10:00
parent 9ce20d3341
commit 8715fd0925
3 changed files with 67 additions and 29 deletions
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5
source/blender/bmesh/intern/bmesh_opdefines.c
View File

@@ -487,7 +487,7 @@ static BMOpDefine bmo_create_vert_def = {
* Join Triangles.
*
* Tries to intelligently join triangles according
* to various settings and stuff.
* to angle threshold and delimiters.
*/
static BMOpDefine bmo_join_triangles_def = {
"join_triangles",
@@ -498,7 +498,8 @@ static BMOpDefine bmo_join_triangles_def = {
{"cmp_uvs", BMO_OP_SLOT_BOOL},
{"cmp_vcols", BMO_OP_SLOT_BOOL},
{"cmp_materials", BMO_OP_SLOT_BOOL},
{"limit", BMO_OP_SLOT_FLT},
{"angle_face_threshold", BMO_OP_SLOT_FLT},
{"angle_shape_threshold", BMO_OP_SLOT_FLT},
{{'\0'}},
},
/* slots_out */

57
source/blender/bmesh/operators/bmo_join_triangles.c
View File

@@ -135,10 +135,13 @@ struct DelimitData {
unsigned int do_seam : 1;
unsigned int do_sharp : 1;
unsigned int do_mat : 1;
unsigned int do_angle : 1;
unsigned int do_angle_face : 1;
unsigned int do_angle_shape : 1;
float angle;
float angle__cos;
float angle_face;
float angle_face__cos;
float angle_shape;
struct DelimitData_CD cdata[4];
int cdata_len;
@@ -200,16 +203,23 @@ static float bm_edge_is_delimit(
goto fail;
}
if (delimit_data->do_angle) {
if (dot_v3v3(f_a->no, f_b->no) < delimit_data->angle__cos) {
if (delimit_data->do_angle_face) {
if (dot_v3v3(f_a->no, f_b->no) < delimit_data->angle_face__cos) {
goto fail;
}
}
if (delimit_data->do_angle_shape) {
const BMVert *verts[4];
bm_edge_to_quad_verts(e, verts);
/* if we're checking the shape at all, a flipped face is out of the question */
if (is_quad_flip_v3(verts[0]->co, verts[1]->co, verts[2]->co, verts[3]->co)) {
goto fail;
}
else {
const BMVert *verts[4];
float edge_vecs[4][3];
bm_edge_to_quad_verts(e, verts);
sub_v3_v3v3(edge_vecs[0], verts[0]->co, verts[1]->co);
sub_v3_v3v3(edge_vecs[1], verts[1]->co, verts[2]->co);
sub_v3_v3v3(edge_vecs[2], verts[2]->co, verts[3]->co);
@@ -220,10 +230,10 @@ static float bm_edge_is_delimit(
normalize_v3(edge_vecs[2]);
normalize_v3(edge_vecs[3]);
if ((fabsf(angle_normalized_v3v3(edge_vecs[0], edge_vecs[1]) - (float)M_PI_2) > delimit_data->angle) ||
(fabsf(angle_normalized_v3v3(edge_vecs[1], edge_vecs[2]) - (float)M_PI_2) > delimit_data->angle) ||
(fabsf(angle_normalized_v3v3(edge_vecs[2], edge_vecs[3]) - (float)M_PI_2) > delimit_data->angle) ||
(fabsf(angle_normalized_v3v3(edge_vecs[3], edge_vecs[0]) - (float)M_PI_2) > delimit_data->angle))
if ((fabsf(angle_normalized_v3v3(edge_vecs[0], edge_vecs[1]) - (float)M_PI_2) > delimit_data->angle_shape) ||
(fabsf(angle_normalized_v3v3(edge_vecs[1], edge_vecs[2]) - (float)M_PI_2) > delimit_data->angle_shape) ||
(fabsf(angle_normalized_v3v3(edge_vecs[2], edge_vecs[3]) - (float)M_PI_2) > delimit_data->angle_shape) ||
(fabsf(angle_normalized_v3v3(edge_vecs[3], edge_vecs[0]) - (float)M_PI_2) > delimit_data->angle_shape))
{
goto fail;
}
@@ -255,7 +265,7 @@ fail:
void bmo_join_triangles_exec(BMesh *bm, BMOperator *op)
{
float limit;
float angle_face, angle_shape;
BMIter iter;
BMOIter siter;
@@ -272,14 +282,23 @@ void bmo_join_triangles_exec(BMesh *bm, BMOperator *op)
delimit_data.do_sharp = BMO_slot_bool_get(op->slots_in, "cmp_sharp");
delimit_data.do_mat = BMO_slot_bool_get(op->slots_in, "cmp_materials");
limit = BMO_slot_float_get(op->slots_in, "limit");
if (limit < DEG2RADF(180.0f)) {
delimit_data.angle = limit;
delimit_data.angle__cos = cosf(limit);
delimit_data.do_angle = true;
angle_face = BMO_slot_float_get(op->slots_in, "angle_face_threshold");
if (angle_face < DEG2RADF(180.0f)) {
delimit_data.angle_face = angle_face;
delimit_data.angle_face__cos = cosf(angle_face);
delimit_data.do_angle_face = true;
}
else {
delimit_data.do_angle = false;
delimit_data.do_angle_face = false;
}
angle_shape = BMO_slot_float_get(op->slots_in, "angle_shape_threshold");
if (angle_shape < DEG2RADF(180.0f)) {
delimit_data.angle_shape = angle_shape;
delimit_data.do_angle_shape = true;
}
else {
delimit_data.do_angle_shape = false;
}
if (BMO_slot_bool_get(op->slots_in, "cmp_uvs") &&

34
source/blender/editors/mesh/editmesh_tools.c
View File

@@ -3760,19 +3760,29 @@ static int edbm_tris_convert_to_quads_exec(bContext *C, wmOperator *op)
Object *obedit = CTX_data_edit_object(C);
BMEditMesh *em = BKE_editmesh_from_object(obedit);
bool do_seam, do_sharp, do_uvs, do_vcols, do_materials;
float limit;
float angle_face_threshold, angle_shape_threshold;
PropertyRNA *prop;
/* When joining exactly 2 faces, no limit.
* this is useful for one off joins while editing. */
prop = RNA_struct_find_property(op->ptr, "limit");
prop = RNA_struct_find_property(op->ptr, "face_threshold");
if ((em->bm->totfacesel == 2) &&
(RNA_property_is_set(op->ptr, prop) == false))
{
limit = DEG2RADF(180.0f);
angle_face_threshold = DEG2RADF(180.0f);
}
else {
limit = RNA_property_float_get(op->ptr, prop);
angle_face_threshold = RNA_property_float_get(op->ptr, prop);
}
prop = RNA_struct_find_property(op->ptr, "shape_threshold");
if ((em->bm->totfacesel == 2) &&
(RNA_property_is_set(op->ptr, prop) == false))
{
angle_shape_threshold = DEG2RADF(180.0f);
}
else {
angle_shape_threshold = RNA_property_float_get(op->ptr, prop);
}
do_seam = RNA_boolean_get(op->ptr, "seam");
@@ -3784,8 +3794,10 @@ static int edbm_tris_convert_to_quads_exec(bContext *C, wmOperator *op)
if (!EDBM_op_call_and_selectf(
em, op,
"faces.out", true,
"join_triangles faces=%hf limit=%f cmp_seam=%b cmp_sharp=%b cmp_uvs=%b cmp_vcols=%b cmp_materials=%b",
BM_ELEM_SELECT, limit, do_seam, do_sharp, do_uvs, do_vcols, do_materials))
"join_triangles faces=%hf angle_face_threshold=%f angle_shape_threshold=%f "
"cmp_seam=%b cmp_sharp=%b cmp_uvs=%b cmp_vcols=%b cmp_materials=%b",
BM_ELEM_SELECT, angle_face_threshold, angle_shape_threshold,
do_seam, do_sharp, do_uvs, do_vcols, do_materials))
{
return OPERATOR_CANCELLED;
}
@@ -3799,8 +3811,14 @@ static void join_triangle_props(wmOperatorType *ot)
{
PropertyRNA *prop;
prop = RNA_def_float_rotation(ot->srna, "limit", 0, NULL, 0.0f, DEG2RADF(180.0f),
"Max Angle", "Angle Limit", 0.0f, DEG2RADF(180.0f));
prop = RNA_def_float_rotation(
ot->srna, "face_threshold", 0, NULL, 0.0f, DEG2RADF(180.0f),
"Max Face Angle", "Face angle limit", 0.0f, DEG2RADF(180.0f));
RNA_def_property_float_default(prop, DEG2RADF(40.0f));
prop = RNA_def_float_rotation(
ot->srna, "shape_threshold", 0, NULL, 0.0f, DEG2RADF(180.0f),
"Max Shape Angle", "Shape angle limit", 0.0f, DEG2RADF(180.0f));
RNA_def_property_float_default(prop, DEG2RADF(40.0f));
RNA_def_boolean(ot->srna, "uvs", 0, "Compare UVs", "");