forked from bartvdbraak/blender
bmesh: inset tool, access from face menu (Ctrl+F)
- Even option (like solidify even option) - Relative option (insets based on lengths of surrounding edges) TODO: merge tares when 2+ face corners meet but don't form a contiguous region.
This commit is contained in:
parent
e508c2d9e1
commit
86796252da
@ -1757,11 +1757,11 @@ class VIEW3D_MT_edit_mesh_faces(Menu):
|
||||
layout.operator_context = 'INVOKE_REGION_WIN'
|
||||
|
||||
layout.operator("mesh.flip_normals")
|
||||
# layout.operator("mesh.bevel")
|
||||
# layout.operator("mesh.bevel")
|
||||
layout.operator("mesh.edge_face_add")
|
||||
layout.operator("mesh.fill")
|
||||
layout.operator("mesh.beautify_fill")
|
||||
layout.operator("mesh.inset")
|
||||
layout.operator("mesh.bevel")
|
||||
layout.operator("mesh.solidify")
|
||||
layout.operator("mesh.sort_faces")
|
||||
|
||||
|
@ -41,6 +41,7 @@ set(SRC
|
||||
operators/bmo_dupe.c
|
||||
operators/bmo_edgesplit.c
|
||||
operators/bmo_extrude.c
|
||||
operators/bmo_inset.c
|
||||
operators/bmo_join_triangles.c
|
||||
operators/bmo_mesh_conv.c
|
||||
operators/bmo_mirror.c
|
||||
|
@ -1076,6 +1076,23 @@ static BMOpDefine bmo_solidify_def = {
|
||||
0
|
||||
};
|
||||
|
||||
/*
|
||||
* Face Inset
|
||||
*
|
||||
* Extrudes faces individually.
|
||||
*/
|
||||
static BMOpDefine bmo_inset_def = {
|
||||
"inset",
|
||||
{{BMO_OP_SLOT_ELEMENT_BUF, "faces"}, /* input faces */
|
||||
{BMO_OP_SLOT_ELEMENT_BUF, "faceout"}, /* output faces */
|
||||
{BMO_OP_SLOT_BOOL, "use_even_offset"}, /* type of thickness calculation */
|
||||
{BMO_OP_SLOT_BOOL, "use_relative_offset"}, /* type of thickness calculation */
|
||||
{BMO_OP_SLOT_FLT, "thickness"},
|
||||
{0} /* null-terminating sentine */},
|
||||
bmo_inset_exec,
|
||||
0
|
||||
};
|
||||
|
||||
BMOpDefine *opdefines[] = {
|
||||
&bmo_split_def,
|
||||
&bmo_spin_def,
|
||||
@ -1142,6 +1159,7 @@ BMOpDefine *opdefines[] = {
|
||||
&bmo_triangle_fill_def,
|
||||
&bmo_bridge_loops_def,
|
||||
&bmo_solidify_def,
|
||||
&bmo_inset_def,
|
||||
};
|
||||
|
||||
int bmesh_total_ops = (sizeof(opdefines) / sizeof(void *));
|
||||
|
@ -98,5 +98,6 @@ void bmo_triangle_fill_exec(BMesh *bm, BMOperator *op);
|
||||
void bmo_create_circle_exec(BMesh *bm, BMOperator *op);
|
||||
void bmo_bridge_loops_exec(BMesh *bm, BMOperator *op);
|
||||
void bmo_solidify_face_region_exec(BMesh *bm, BMOperator *op);
|
||||
void bmo_inset_exec(BMesh *bm, BMOperator *op);
|
||||
|
||||
#endif /* __BMESH_OPERATORS_PRIVATE_H__ */
|
||||
|
331
source/blender/bmesh/operators/bmo_inset.c
Normal file
331
source/blender/bmesh/operators/bmo_inset.c
Normal file
@ -0,0 +1,331 @@
|
||||
/*
|
||||
* ***** BEGIN GPL LICENSE BLOCK *****
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
|
||||
* of the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||
*
|
||||
* Contributor(s): Campbell Barton
|
||||
*
|
||||
* ***** END GPL LICENSE BLOCK *****
|
||||
*/
|
||||
|
||||
#include "MEM_guardedalloc.h"
|
||||
|
||||
#include "BLI_math.h"
|
||||
|
||||
#include "bmesh.h"
|
||||
|
||||
#include "intern/bmesh_operators_private.h" /* own include */
|
||||
|
||||
#define ELE_NEW 1
|
||||
|
||||
static void edge_loop_tangent(BMEdge *e, BMLoop *e_loop, float r_no[3])
|
||||
{
|
||||
float tvec[3];
|
||||
BMVert *v1, *v2;
|
||||
BM_edge_ordered_verts_ex(e, &v1, &v2, e_loop);
|
||||
|
||||
sub_v3_v3v3(tvec, v1->co, v2->co); /* use for temp storage */
|
||||
cross_v3_v3v3(r_no, tvec, e_loop->f->no);
|
||||
normalize_v3(r_no);
|
||||
}
|
||||
|
||||
/**
|
||||
* functionality is as follows
|
||||
*
|
||||
* - set all faces as tagged/untagged based on selection.
|
||||
* - find all edges that have 1 tagged, 1 untagged face.
|
||||
* - separate these edges and tag vertices, set their index to point to the original edge.
|
||||
* - build faces between old/new edges.
|
||||
* - inset the new edges into their faces.
|
||||
*
|
||||
* TODO
|
||||
* - close tares when 2 corners touch.
|
||||
* - 'use_relative_offset' comparing edge length _while_ moving verts about is incorrect.
|
||||
*/
|
||||
|
||||
void bmo_inset_exec(BMesh *bm, BMOperator *op)
|
||||
{
|
||||
const int use_even_offset = BMO_slot_bool_get(op, "use_even_offset");
|
||||
const int use_even_boundry = use_even_offset; /* could make own option */
|
||||
const int use_relative_offset = BMO_slot_bool_get(op, "use_relative_offset");
|
||||
const float thickness = BMO_slot_float_get(op, "thickness");
|
||||
|
||||
const int bm_totedge_orig = bm->totedge;
|
||||
|
||||
BMIter iter;
|
||||
BMEdge **edge_arr;
|
||||
float (*edge_nor)[3];
|
||||
|
||||
BMVert *v;
|
||||
BMEdge *e, *e_new;
|
||||
BMFace *f;
|
||||
int i, j, k;
|
||||
|
||||
BM_mesh_elem_flag_disable_all(bm, BM_FACE, BM_ELEM_TAG);
|
||||
BMO_slot_buffer_hflag_enable(bm, op, "faces", BM_ELEM_TAG, BM_FACE, FALSE);
|
||||
|
||||
|
||||
/* fill in array and initialize tagging */
|
||||
edge_arr = MEM_mallocN(bm_totedge_orig * sizeof(BMEdge), __func__);
|
||||
BM_ITER_INDEX(e, &iter, bm, BM_EDGES_OF_MESH, NULL, i) {
|
||||
edge_arr[i] = e;
|
||||
BM_elem_index_set(e, i); /* set_inline */
|
||||
|
||||
/* tag */
|
||||
BM_elem_flag_disable(e->v1, BM_ELEM_TAG);
|
||||
BM_elem_flag_disable(e->v2, BM_ELEM_TAG);
|
||||
BM_elem_flag_disable(e, BM_ELEM_TAG);
|
||||
}
|
||||
bm->elem_index_dirty &= ~BM_EDGE;
|
||||
|
||||
|
||||
/* XXX be smarter!, we could allocate an array only for the tagged edges instead,
|
||||
* since this array will have mostly unused items */
|
||||
edge_nor = MEM_mallocN(bm_totedge_orig * sizeof(*edge_nor), __func__);
|
||||
|
||||
/* split off all boundary edges */
|
||||
for (i = 0; i < bm_totedge_orig; i++) {
|
||||
BMLoop *la;
|
||||
BMLoop *lb;
|
||||
|
||||
e = edge_arr[i];
|
||||
|
||||
if (BM_edge_loop_pair(e, &la, &lb)) {
|
||||
const int tag_a = BM_elem_flag_test(la->f, BM_ELEM_TAG);
|
||||
const int tag_b = BM_elem_flag_test(lb->f, BM_ELEM_TAG);
|
||||
|
||||
if (tag_a != tag_b) {
|
||||
BMLoop *l = tag_a ? la : lb;
|
||||
|
||||
edge_loop_tangent(e, l, edge_nor[i]); /* could call after splitting too */
|
||||
bmesh_edge_separate(bm, e, l);
|
||||
e_new = l->e;
|
||||
|
||||
/* store index back to original in 'edge_arr' */
|
||||
BM_elem_index_set(e_new, i);
|
||||
BM_elem_flag_enable(e_new, BM_ELEM_TAG);
|
||||
|
||||
BM_elem_flag_enable(e_new->v1, BM_ELEM_TAG);
|
||||
BM_elem_flag_enable(e_new->v2, BM_ELEM_TAG);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* show edge normals for debugging */
|
||||
#if 0
|
||||
BM_ITER_INDEX(e_new, &iter, bm, BM_EDGES_OF_MESH, NULL, i) {
|
||||
if (BM_elem_flag_test(e_new, BM_ELEM_TAG)) {
|
||||
float tvec[3];
|
||||
BMVert *v1, *v2;
|
||||
|
||||
e = edge_arr[BM_elem_index_get(e_new)];
|
||||
mid_v3_v3v3(tvec, e->v1->co, e->v2->co);
|
||||
|
||||
v1 = BM_vert_create(bm, tvec, NULL);
|
||||
v2 = BM_vert_create(bm, tvec, NULL);
|
||||
madd_v3_v3fl(v2->co, edge_nor[BM_elem_index_get(e_new)], 0.1f);
|
||||
BM_edge_create(bm, v1, v2, NULL, FALSE);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
/* execute the split and position verts, it would be most obvious to loop over verts
|
||||
* here but don't do this since we will be splitting them off (iterating stuff you modify is bad juju)
|
||||
* instead loop over edges then their verts */
|
||||
for (j = 0; j < bm_totedge_orig; j++) {
|
||||
for (k = 0; k < 2; k++) {
|
||||
v = (k == 0) ? edge_arr[j]->v1 : edge_arr[j]->v2;
|
||||
/* end confusinug part - just pretend this is a typical loop on verts */
|
||||
|
||||
|
||||
|
||||
/* only split of tagged verts - used by separated edges */
|
||||
|
||||
/* comment the first part because we know this verts in a tagged face */
|
||||
if (/* v->e && */BM_elem_flag_test(v, BM_ELEM_TAG)) {
|
||||
BMVert **vout;
|
||||
int r_vout_len = 0;
|
||||
|
||||
bmesh_vert_separate(bm, v, &vout, &r_vout_len);
|
||||
v = NULL; /* don't use again */
|
||||
|
||||
for (i = 0; i < r_vout_len; i++) {
|
||||
BMVert *v_split = vout[i]; /* only to avoid vout[i] all over */
|
||||
|
||||
/* need to check if this vertex is from a */
|
||||
BMIter itersub;
|
||||
int vert_edge_tag_tot = 0;
|
||||
int vecpair[2];
|
||||
|
||||
/* find adjacent */
|
||||
BM_ITER(e, &itersub, bm, BM_EDGES_OF_VERT, v_split) {
|
||||
if (BM_edge_is_boundary(e) && /* this will be true because bmesh_edge_separate() has run */
|
||||
BM_elem_flag_test(e, BM_ELEM_TAG) &&
|
||||
BM_elem_flag_test(e->l->f, BM_ELEM_TAG))
|
||||
{
|
||||
/* disable touching twice, this _will_ happen if the flags not disabled */
|
||||
BM_elem_flag_disable(v_split, BM_ELEM_TAG);
|
||||
|
||||
if (vert_edge_tag_tot < 2) {
|
||||
vecpair[vert_edge_tag_tot] = BM_elem_index_get(e);
|
||||
}
|
||||
|
||||
// BM_elem_flag_disable(e, BM_ELEM_SMOOTH); // testing only
|
||||
vert_edge_tag_tot++;
|
||||
}
|
||||
}
|
||||
|
||||
if (vert_edge_tag_tot != 0) {
|
||||
float tvec[3];
|
||||
|
||||
if (vert_edge_tag_tot >= 2) { /* 2 edge users - common case */
|
||||
const float *e_no_a = edge_nor[vecpair[0]];
|
||||
const float *e_no_b = edge_nor[vecpair[1]];
|
||||
|
||||
add_v3_v3v3(tvec, e_no_a, e_no_b);
|
||||
normalize_v3(tvec);
|
||||
|
||||
/* scale by edge angle */
|
||||
if (use_even_offset) {
|
||||
mul_v3_fl(tvec, shell_angle_to_dist(angle_normalized_v3v3(e_no_a, e_no_b) / 2.0f));
|
||||
}
|
||||
|
||||
/* scale relative to edge lengths */
|
||||
if (use_relative_offset) {
|
||||
mul_v3_fl(tvec,
|
||||
((BM_edge_length_calc(edge_arr[vecpair[0]]) +
|
||||
BM_edge_length_calc(edge_arr[vecpair[1]])) / 2.0f));
|
||||
}
|
||||
}
|
||||
else if (vert_edge_tag_tot == 1) { /* 1 edge user - boundary vert, not so common */
|
||||
const float *e_no_a = edge_nor[vecpair[0]];
|
||||
|
||||
if (use_even_boundry) {
|
||||
|
||||
/* This case where only one edge attached to v_split
|
||||
* is used - ei - the face to inset is on a boundary.
|
||||
*
|
||||
* We want the inset to align flush with the
|
||||
* boundary edge, not the normal of the interior
|
||||
* <--- edge which would give an unsligtly bump.
|
||||
* --+-------------------------+---------------+--
|
||||
* |^v_other ^e_other /^v_split |
|
||||
* | / |
|
||||
* | / |
|
||||
* | / <- tag split edge |
|
||||
* | / |
|
||||
* | / |
|
||||
* | / |
|
||||
* --+-----------------+-----------------------+--
|
||||
* | |
|
||||
* | |
|
||||
*
|
||||
* note, the fact we are doing location comparisons on verts that are moved about
|
||||
* doesnt matter becaise the direction will remain the same in this case.
|
||||
*/
|
||||
|
||||
BMEdge *e_other;
|
||||
BMVert *v_other;
|
||||
/* loop will always be either next of prev */
|
||||
BMLoop *l = v_split->e->l;
|
||||
if (l->prev->v == v_split) {
|
||||
l = l->prev;
|
||||
}
|
||||
else if (l->next->v == v_split) {
|
||||
l = l->next;
|
||||
}
|
||||
else if (l->v == v_split) {
|
||||
/* pass */
|
||||
}
|
||||
else {
|
||||
/* should never happen */
|
||||
BLI_assert(0);
|
||||
}
|
||||
|
||||
/* find the edge which is _not_ being split here */
|
||||
if (!BM_elem_flag_test(l->e, BM_ELEM_TAG)) {
|
||||
e_other = l->e;
|
||||
}
|
||||
else if (!BM_elem_flag_test(l->prev->e, BM_ELEM_TAG)) {
|
||||
e_other = l->prev->e;
|
||||
}
|
||||
else {
|
||||
BLI_assert(0);
|
||||
e_other = NULL;
|
||||
}
|
||||
|
||||
v_other = BM_edge_other_vert(e_other, v_split);
|
||||
sub_v3_v3v3(tvec, v_other->co, v_split->co);
|
||||
normalize_v3(tvec);
|
||||
|
||||
if (use_even_offset) {
|
||||
mul_v3_fl(tvec, shell_angle_to_dist(angle_normalized_v3v3(e_no_a, tvec)));
|
||||
}
|
||||
}
|
||||
else {
|
||||
copy_v3_v3(tvec, e_no_a);
|
||||
}
|
||||
|
||||
/* use_even_offset - doesn't apply here */
|
||||
|
||||
/* scale relative to edge length */
|
||||
if (use_relative_offset) {
|
||||
mul_v3_fl(tvec, BM_edge_length_calc(edge_arr[vecpair[0]]));
|
||||
}
|
||||
}
|
||||
else {
|
||||
/* should never happen */
|
||||
BLI_assert(0);
|
||||
zero_v3(tvec);
|
||||
}
|
||||
|
||||
madd_v3_v3fl(v_split->co, tvec, thickness);
|
||||
}
|
||||
}
|
||||
MEM_freeN(vout);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* create faces */
|
||||
BM_ITER_INDEX(e, &iter, bm, BM_EDGES_OF_MESH, NULL, i) {
|
||||
if (BM_elem_flag_test(e, BM_ELEM_TAG)) {
|
||||
BMVert *v1, *v2, *v3, *v4;
|
||||
e_new = edge_arr[BM_elem_index_get(e)];
|
||||
|
||||
/* get the verts in the correct order */
|
||||
BM_edge_ordered_verts(e_new, &v1, &v2);
|
||||
if (v1 == e_new->v1) {
|
||||
v3 = e->v2;
|
||||
v4 = e->v1;
|
||||
}
|
||||
else {
|
||||
v3 = e->v1;
|
||||
v4 = e->v2;
|
||||
}
|
||||
|
||||
/* no need to check doubles, we KNOW there wont be any */
|
||||
/* yes - reverse face is correct in fhis case */
|
||||
f = BM_face_create_quad_tri(bm, v4, v3, v2, v1, e_new->l->f, FALSE);
|
||||
BMO_elem_flag_enable(bm, f, ELE_NEW);
|
||||
}
|
||||
}
|
||||
|
||||
MEM_freeN(edge_nor);
|
||||
MEM_freeN(edge_arr);
|
||||
|
||||
/* we could flag new edges/verts too, is it useful? */
|
||||
BMO_slot_buffer_from_flag(bm, op, "faceout", ELE_NEW, BM_FACE);
|
||||
}
|
@ -4570,3 +4570,60 @@ void MESH_OT_bridge_edge_loops(wmOperatorType *ot)
|
||||
|
||||
RNA_def_boolean(ot->srna, "inside", 0, "Inside", "");
|
||||
}
|
||||
|
||||
|
||||
|
||||
static int mesh_inset_exec(bContext *C, wmOperator *op)
|
||||
{
|
||||
Object *obedit = CTX_data_edit_object(C);
|
||||
BMEditMesh *em = BMEdit_FromObject(obedit);
|
||||
BMOperator bmop;
|
||||
const int use_even_offset = RNA_boolean_get(op->ptr, "use_even_offset");
|
||||
const int use_relative_offset = RNA_boolean_get(op->ptr, "use_relative_offset");
|
||||
const float thickness = RNA_float_get(op->ptr, "thickness");
|
||||
|
||||
EDBM_InitOpf(em, &bmop, op, "inset faces=%hf use_even_offset=%b use_relative_offset=%b thickness=%f",
|
||||
BM_ELEM_SELECT, use_even_offset, use_relative_offset, thickness);
|
||||
|
||||
BMO_op_exec(em->bm, &bmop);
|
||||
|
||||
/* deselect original verts */
|
||||
EDBM_flag_disable_all(em, BM_ELEM_SELECT);
|
||||
|
||||
BMO_slot_buffer_hflag_enable(em->bm, &bmop, "faceout", BM_ELEM_SELECT, BM_FACE, TRUE);
|
||||
|
||||
if (!EDBM_FinishOp(em, &bmop, op, TRUE)) {
|
||||
return OPERATOR_CANCELLED;
|
||||
}
|
||||
else {
|
||||
DAG_id_tag_update(obedit->data, 0);
|
||||
WM_event_add_notifier(C, NC_GEOM|ND_DATA, obedit->data);
|
||||
|
||||
return OPERATOR_FINISHED;
|
||||
}
|
||||
}
|
||||
|
||||
void MESH_OT_inset(wmOperatorType *ot)
|
||||
{
|
||||
PropertyRNA *prop;
|
||||
|
||||
/* identifiers */
|
||||
ot->name = "Inset Faces";
|
||||
ot->idname = "MESH_OT_inset";
|
||||
|
||||
/* api callbacks */
|
||||
ot->exec = mesh_inset_exec;
|
||||
ot->poll = ED_operator_editmesh;
|
||||
ot->description = "";
|
||||
|
||||
/* flags */
|
||||
ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
|
||||
|
||||
/* properties */
|
||||
RNA_def_boolean(ot->srna, "use_even_offset", TRUE, "Even", "Scale the offset to give more even thickness");
|
||||
RNA_def_boolean(ot->srna, "use_relative_offset", FALSE, "Relative", "Scale the offset by surrounding geometry");
|
||||
|
||||
prop = RNA_def_float(ot->srna, "thickness", 0.01f, 0.0f, FLT_MAX, "thickness", "", 0.0f, 10.0f);
|
||||
/* use 1 rather then 10 for max else dragging the button moves too far */
|
||||
RNA_def_property_ui_range(prop, 0.0, 1.0, 0.01, 4);
|
||||
}
|
||||
|
@ -207,6 +207,7 @@ void MESH_OT_knifetool(struct wmOperatorType *ot);
|
||||
void MESH_OT_bevel(struct wmOperatorType *ot);
|
||||
|
||||
void MESH_OT_bridge_edge_loops(struct wmOperatorType *ot);
|
||||
void MESH_OT_inset(struct wmOperatorType *ot);
|
||||
|
||||
/* ******************* mesh_navmesh.c */
|
||||
void MESH_OT_navmesh_make(struct wmOperatorType *ot);
|
||||
|
@ -159,6 +159,7 @@ void ED_operatortypes_mesh(void)
|
||||
WM_operatortype_append(MESH_OT_select_next_loop);
|
||||
|
||||
WM_operatortype_append(MESH_OT_bridge_edge_loops);
|
||||
WM_operatortype_append(MESH_OT_inset);
|
||||
|
||||
#ifdef WITH_GAMEENGINE
|
||||
WM_operatortype_append(MESH_OT_navmesh_make);
|
||||
|
Loading…
Reference in New Issue
Block a user