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UV: support edge-selection for box/circle/lasso select

This commit is contained in:
Campbell Barton 2020-05-04 19:01:00 +10:00
parent 88b9505b84
commit 411c5238a2
Notes: blender-bot 2023-11-20 12:14:32 +01:00 
Referenced by commit d9e2adaaf9, Fix T80728: UV edge select splits UV's for lasso/box/circle select
Referenced by issue #76351, UV editor tools not selecting edges when click drag.
1 changed files with 161 additions and 19 deletions
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180
source/blender/editors/uvedit/uvedit_select.c
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@ -2495,6 +2495,9 @@ static int uv_box_select_exec(bContext *C, wmOperator *op)
const bool use_face_center = ((ts->uv_flag & UV_SYNC_SELECTION) ?
(ts->selectmode == SCE_SELECT_FACE) :
(ts->uv_selectmode == UV_SELECT_FACE));
const bool use_edge = ((ts->uv_flag & UV_SYNC_SELECTION) ?
(ts->selectmode == SCE_SELECT_EDGE) :
(ts->uv_selectmode == UV_SELECT_EDGE));
/* get rectangle from operator */
WM_operator_properties_border_to_rctf(op, &rectf);
@ -2550,6 +2553,41 @@ static int uv_box_select_exec(bContext *C, wmOperator *op)
uv_select_flush_from_tag_face(sima, scene, obedit, select);
}
}
else if (use_edge && !pinned) {
changed = true;
BM_mesh_elem_hflag_disable_all(em->bm, BM_VERT, BM_ELEM_TAG, false);
BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
if (!uvedit_face_visible_test(scene, obedit, ima, efa)) {
continue;
}
BMLoop *l_prev = BM_FACE_FIRST_LOOP(efa)->prev;
MLoopUV *luv_prev = BM_ELEM_CD_GET_VOID_P(l_prev, cd_loop_uv_offset);
bool luv_select_prev = uvedit_uv_select_test(scene, l_prev, cd_loop_uv_offset);
BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) {
luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
const bool luv_select = uvedit_uv_select_test(scene, l, cd_loop_uv_offset);
if ((select != luv_select) || (select != luv_select_prev)) {
if (BLI_rctf_isect_pt_v(&rectf, luv->uv) &&
BLI_rctf_isect_pt_v(&rectf, luv_prev->uv)) {
uvedit_uv_select_set(em, scene, l, select, false, cd_loop_uv_offset);
uvedit_uv_select_set(em, scene, l_prev, select, false, cd_loop_uv_offset);
BM_elem_flag_enable(l->v, BM_ELEM_TAG);
BM_elem_flag_enable(l_prev->v, BM_ELEM_TAG);
}
}
l_prev = l;
luv_prev = luv;
luv_select_prev = luv_select;
}
}
if (sima->sticky == SI_STICKY_VERTEX) {
uvedit_vertex_select_tagged(em, scene, select, cd_loop_uv_offset);
}
}
else {
/* other selection modes */
changed = true;
@ -2637,13 +2675,33 @@ void UV_OT_select_box(wmOperatorType *ot)
/** \name Circle Select Operator
* \{ */
static int uv_inside_circle(const float uv[2], const float offset[2], const float ellipse[2])
static int uv_circle_select_is_point_inside(const float uv[2],
const float offset[2],
const float ellipse[2])
{
/* normalized ellipse: ell[0] = scaleX, ell[1] = scaleY */
float x, y;
x = (uv[0] - offset[0]) * ellipse[0];
y = (uv[1] - offset[1]) * ellipse[1];
return ((x * x + y * y) < 1.0f);
const float co[2] = {
(uv[0] - offset[0]) * ellipse[0],
(uv[1] - offset[1]) * ellipse[1],
};
return len_squared_v2(co) < 1.0f;
}
static int uv_circle_select_is_edge_inside(const float uv_a[2],
const float uv_b[2],
const float offset[2],
const float ellipse[2])
{
/* normalized ellipse: ell[0] = scaleX, ell[1] = scaleY */
const float co_a[2] = {
(uv_a[0] - offset[0]) * ellipse[0],
(uv_a[1] - offset[1]) * ellipse[1],
};
const float co_b[2] = {
(uv_b[0] - offset[0]) * ellipse[0],
(uv_b[1] - offset[1]) * ellipse[1],
};
return dist_squared_to_line_segment_v2((const float[2]){0.0f, 0.0f}, co_a, co_b) < 1.0f;
}
static int uv_circle_select_exec(bContext *C, wmOperator *op)
@ -2666,6 +2724,9 @@ static int uv_circle_select_exec(bContext *C, wmOperator *op)
const bool use_face_center = ((ts->uv_flag & UV_SYNC_SELECTION) ?
(ts->selectmode == SCE_SELECT_FACE) :
(ts->uv_selectmode == UV_SELECT_FACE));
const bool use_edge = ((ts->uv_flag & UV_SYNC_SELECTION) ?
(ts->selectmode == SCE_SELECT_EDGE) :
(ts->uv_selectmode == UV_SELECT_EDGE));
/* get operator properties */
x = RNA_int_get(op->ptr, "x");
@ -2715,7 +2776,7 @@ static int uv_circle_select_exec(bContext *C, wmOperator *op)
if (select != uvedit_face_select_test(scene, efa, cd_loop_uv_offset)) {
float cent[2];
uv_poly_center(efa, cent, cd_loop_uv_offset);
if (uv_inside_circle(cent, offset, ellipse)) {
if (uv_circle_select_is_point_inside(cent, offset, ellipse)) {
BM_elem_flag_enable(efa, BM_ELEM_TAG);
changed = true;
}
@ -2727,6 +2788,40 @@ static int uv_circle_select_exec(bContext *C, wmOperator *op)
uv_select_flush_from_tag_face(sima, scene, obedit, select);
}
}
else if (use_edge) {
BM_mesh_elem_hflag_disable_all(em->bm, BM_VERT, BM_ELEM_TAG, false);
BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
if (!uvedit_face_visible_test(scene, obedit, ima, efa)) {
continue;
}
BMLoop *l_prev = BM_FACE_FIRST_LOOP(efa)->prev;
MLoopUV *luv_prev = BM_ELEM_CD_GET_VOID_P(l_prev, cd_loop_uv_offset);
bool luv_select_prev = uvedit_uv_select_test(scene, l_prev, cd_loop_uv_offset);
BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) {
luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
const bool luv_select = uvedit_uv_select_test(scene, l, cd_loop_uv_offset);
if ((select != luv_select) || (select != luv_select_prev)) {
if (uv_circle_select_is_edge_inside(luv->uv, luv_prev->uv, offset, ellipse)) {
changed = true;
uvedit_uv_select_set(em, scene, l, select, false, cd_loop_uv_offset);
uvedit_uv_select_set(em, scene, l_prev, select, false, cd_loop_uv_offset);
BM_elem_flag_enable(l->v, BM_ELEM_TAG);
BM_elem_flag_enable(l_prev->v, BM_ELEM_TAG);
}
}
l_prev = l;
luv_prev = luv;
luv_select_prev = luv_select;
}
}
if (sima->sticky == SI_STICKY_VERTEX) {
uvedit_vertex_select_tagged(em, scene, select, cd_loop_uv_offset);
}
}
else {
BM_mesh_elem_hflag_disable_all(em->bm, BM_VERT, BM_ELEM_TAG, false);
@ -2738,7 +2833,7 @@ static int uv_circle_select_exec(bContext *C, wmOperator *op)
BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) {
if ((select) != (uvedit_uv_select_test(scene, l, cd_loop_uv_offset))) {
luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
if (uv_inside_circle(luv->uv, offset, ellipse)) {
if (uv_circle_select_is_point_inside(luv->uv, offset, ellipse)) {
changed = true;
uvedit_uv_select_set(em, scene, l, select, false, cd_loop_uv_offset);
BM_elem_flag_enable(l->v, BM_ELEM_TAG);
@ -2801,6 +2896,23 @@ void UV_OT_select_circle(wmOperatorType *ot)
/** \name Lasso Select Operator
* \{ */
static bool do_lasso_select_mesh_uv_is_point_inside(ARegion *region,
const rcti *clip_rect,
const int mcoords[][2],
const int mcoords_len,
const float co_test[2])
{
int co_screen[2];
if (UI_view2d_view_to_region_clip(
&region->v2d, co_test[0], co_test[1], &co_screen[0], &co_screen[1]) &&
BLI_rcti_isect_pt_v(clip_rect, co_screen) &&
BLI_lasso_is_point_inside(
mcoords, mcoords_len, co_screen[0], co_screen[1], V2D_IS_CLIPPED)) {
return true;
}
return false;
}
static bool do_lasso_select_mesh_uv(bContext *C,
const int mcords[][2],
short moves,
@ -2816,6 +2928,10 @@ static bool do_lasso_select_mesh_uv(bContext *C,
const bool use_face_center = ((ts->uv_flag & UV_SYNC_SELECTION) ?
(ts->selectmode == SCE_SELECT_FACE) :
(ts->uv_selectmode == UV_SELECT_FACE));
const bool use_edge = ((ts->uv_flag & UV_SYNC_SELECTION) ?
(ts->selectmode == SCE_SELECT_EDGE) :
(ts->uv_selectmode == UV_SELECT_EDGE));
const bool select = (sel_op != SEL_OP_SUB);
const bool use_pre_deselect = SEL_OP_USE_PRE_DESELECT(sel_op);
@ -2823,7 +2939,6 @@ static bool do_lasso_select_mesh_uv(bContext *C,
BMFace *efa;
BMLoop *l;
int screen_uv[2];
float limit[2];
bool changed_multi = false;
rcti rect;
@ -2857,12 +2972,7 @@ static bool do_lasso_select_mesh_uv(bContext *C,
if (select != uvedit_face_select_test(scene, efa, cd_loop_uv_offset)) {
float cent[2];
uv_poly_center(efa, cent, cd_loop_uv_offset);
if (UI_view2d_view_to_region_clip(
&region->v2d, cent[0], cent[1], &screen_uv[0], &screen_uv[1]) &&
BLI_rcti_isect_pt_v(&rect, screen_uv) &&
BLI_lasso_is_point_inside(
mcords, moves, screen_uv[0], screen_uv[1], V2D_IS_CLIPPED)) {
if (do_lasso_select_mesh_uv_is_point_inside(region, &rect, mcords, moves, cent)) {
BM_elem_flag_enable(efa, BM_ELEM_TAG);
changed = true;
}
@ -2874,6 +2984,42 @@ static bool do_lasso_select_mesh_uv(bContext *C,
uv_select_flush_from_tag_face(sima, scene, obedit, select);
}
}
else if (use_edge) {
BM_mesh_elem_hflag_disable_all(em->bm, BM_VERT, BM_ELEM_TAG, false);
BM_ITER_MESH (efa, &iter, em->bm, BM_FACES_OF_MESH) {
if (!uvedit_face_visible_test(scene, obedit, ima, efa)) {
continue;
}
BMLoop *l_prev = BM_FACE_FIRST_LOOP(efa)->prev;
MLoopUV *luv_prev = BM_ELEM_CD_GET_VOID_P(l_prev, cd_loop_uv_offset);
bool luv_select_prev = uvedit_uv_select_test(scene, l_prev, cd_loop_uv_offset);
BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) {
MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
const bool luv_select = uvedit_uv_select_test(scene, l, cd_loop_uv_offset);
if ((select != luv_select) || (select != luv_select_prev)) {
if (do_lasso_select_mesh_uv_is_point_inside(region, &rect, mcords, moves, luv->uv) &&
do_lasso_select_mesh_uv_is_point_inside(
region, &rect, mcords, moves, luv_prev->uv)) {
uvedit_uv_select_set(em, scene, l, select, false, cd_loop_uv_offset);
uvedit_uv_select_set(em, scene, l_prev, select, false, cd_loop_uv_offset);
changed = true;
BM_elem_flag_enable(l->v, BM_ELEM_TAG);
BM_elem_flag_enable(l_prev->v, BM_ELEM_TAG);
}
}
l_prev = l;
luv_prev = luv;
luv_select_prev = luv_select;
}
}
if (sima->sticky == SI_STICKY_VERTEX) {
uvedit_vertex_select_tagged(em, scene, select, cd_loop_uv_offset);
}
}
else { /* Vert Sel */
BM_mesh_elem_hflag_disable_all(em->bm, BM_VERT, BM_ELEM_TAG, false);
@ -2885,11 +3031,7 @@ static bool do_lasso_select_mesh_uv(bContext *C,
BM_ITER_ELEM (l, &liter, efa, BM_LOOPS_OF_FACE) {
if ((select) != (uvedit_uv_select_test(scene, l, cd_loop_uv_offset))) {
MLoopUV *luv = BM_ELEM_CD_GET_VOID_P(l, cd_loop_uv_offset);
if (UI_view2d_view_to_region_clip(
&region->v2d, luv->uv[0], luv->uv[1], &screen_uv[0], &screen_uv[1]) &&
BLI_rcti_isect_pt_v(&rect, screen_uv) &&
BLI_lasso_is_point_inside(
mcords, moves, screen_uv[0], screen_uv[1], V2D_IS_CLIPPED)) {
if (do_lasso_select_mesh_uv_is_point_inside(region, &rect, mcords, moves, luv->uv)) {
uvedit_uv_select_set(em, scene, l, select, false, cd_loop_uv_offset);
changed = true;
BM_elem_flag_enable(l->v, BM_ELEM_TAG);