diff options
Diffstat (limited to 'source/blender/editors/lattice/editlattice_select.c')
| -rw-r--r-- | source/blender/editors/lattice/editlattice_select.c | 558 |
1 files changed, 558 insertions, 0 deletions
diff --git a/source/blender/editors/lattice/editlattice_select.c b/source/blender/editors/lattice/editlattice_select.c new file mode 100644 index 00000000000..d0d64b85195 --- /dev/null +++ b/source/blender/editors/lattice/editlattice_select.c @@ -0,0 +1,558 @@ +/* + * ***** 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. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * Contributor(s): Blender Foundation + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/editors/lattice/editlattice_select.c + * \ingroup edlattice + */ + +#include <stdlib.h> + +#include "MEM_guardedalloc.h" + +#include "BLI_listbase.h" +#include "BLI_math.h" +#include "BLI_utildefines.h" +#include "BLI_rand.h" +#include "BLI_bitmap.h" + +#include "DNA_curve_types.h" +#include "DNA_lattice_types.h" +#include "DNA_meshdata_types.h" +#include "DNA_object_types.h" +#include "DNA_scene_types.h" + +#include "RNA_access.h" +#include "RNA_define.h" +#include "RNA_enum_types.h" + +#include "BKE_context.h" +#include "BKE_lattice.h" +#include "BKE_report.h" + +#include "ED_screen.h" +#include "ED_lattice.h" +#include "ED_view3d.h" + +#include "WM_api.h" +#include "WM_types.h" + +#include "lattice_intern.h" + +/* -------------------------------------------------------------------- */ +/** \name Utility Functions + * \{ */ + +static void bpoint_select_set(BPoint *bp, bool select) +{ + if (select) { + if (!bp->hide) { + bp->f1 |= SELECT; + } + } + else { + bp->f1 &= ~SELECT; + } +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Select Random Operator + * \{ */ + +static int lattice_select_random_exec(bContext *C, wmOperator *op) +{ + Object *obedit = CTX_data_edit_object(C); + Lattice *lt = ((Lattice *)obedit->data)->editlatt->latt; + + const float randfac = RNA_float_get(op->ptr, "percent") / 100.0f; + const int seed = WM_operator_properties_select_random_seed_increment_get(op); + const bool select = (RNA_enum_get(op->ptr, "action") == SEL_SELECT); + + RNG *rng = BLI_rng_new_srandom(seed); + + int tot; + BPoint *bp; + + tot = lt->pntsu * lt->pntsv * lt->pntsw; + bp = lt->def; + while (tot--) { + if (!bp->hide) { + if (BLI_rng_get_float(rng) < randfac) { + bpoint_select_set(bp, select); + } + } + bp++; + } + + if (select == false) { + lt->actbp = LT_ACTBP_NONE; + } + + BLI_rng_free(rng); + + WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data); + + return OPERATOR_FINISHED; +} + +void LATTICE_OT_select_random(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Select Random"; + ot->description = "Randomly select UVW control points"; + ot->idname = "LATTICE_OT_select_random"; + + /* api callbacks */ + ot->exec = lattice_select_random_exec; + ot->poll = ED_operator_editlattice; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + /* props */ + WM_operator_properties_select_random(ot); +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Select Mirror Operator + * \{ */ + +static void ed_lattice_select_mirrored(Lattice *lt, const int axis, const bool extend) +{ + const int tot = lt->pntsu * lt->pntsv * lt->pntsw; + int i; + BPoint *bp; + BLI_bitmap *selpoints; + + bool flip_uvw[3] = {false}; + flip_uvw[axis] = true; + + /* we could flip this too */ + if (!extend) { + lt->actbp = LT_ACTBP_NONE; + } + + /* store "original" selection */ + selpoints = BLI_BITMAP_NEW(tot, __func__); + BKE_lattice_bitmap_from_flag(lt, selpoints, SELECT, false, false); + + /* actual (de)selection */ + for (i = 0; i < tot; i++) { + const int i_flip = BKE_lattice_index_flip(lt, i, flip_uvw[0], flip_uvw[1], flip_uvw[2]); + bp = <->def[i]; + if (!bp->hide) { + if (BLI_BITMAP_TEST(selpoints, i_flip)) { + bp->f1 |= SELECT; + } + else { + if (!extend) { + bp->f1 &= ~SELECT; + } + } + } + } + + + MEM_freeN(selpoints); +} + +static int lattice_select_mirror_exec(bContext *C, wmOperator *op) +{ + Object *obedit = CTX_data_edit_object(C); + Lattice *lt = ((Lattice *)obedit->data)->editlatt->latt; + const int axis_flag = RNA_enum_get(op->ptr, "axis"); + const bool extend = RNA_boolean_get(op->ptr, "extend"); + + for (int axis = 0; axis < 3; axis++) { + if ((1 << axis) & axis_flag) { + ed_lattice_select_mirrored(lt, axis, extend); + } + } + + WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data); + + return OPERATOR_FINISHED; +} + +void LATTICE_OT_select_mirror(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Select Mirror"; + ot->description = "Select mirrored lattice points"; + ot->idname = "LATTICE_OT_select_mirror"; + + /* api callbacks */ + ot->exec = lattice_select_mirror_exec; + ot->poll = ED_operator_editlattice; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + /* props */ + RNA_def_enum_flag(ot->srna, "axis", rna_enum_axis_flag_xyz_items, (1 << 0), "Axis", ""); + + RNA_def_boolean(ot->srna, "extend", false, "Extend", "Extend the selection"); +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Select More/Less Operator + * \{ */ + +static bool lattice_test_bitmap_uvw(Lattice *lt, BLI_bitmap *selpoints, int u, int v, int w, const bool selected) +{ + if ((u < 0 || u >= lt->pntsu) || + (v < 0 || v >= lt->pntsv) || + (w < 0 || w >= lt->pntsw)) + { + return false; + } + else { + int i = BKE_lattice_index_from_uvw(lt, u, v, w); + if (lt->def[i].hide == 0) { + return (BLI_BITMAP_TEST(selpoints, i) != 0) == selected; + } + return false; + } +} + +static int lattice_select_more_less(bContext *C, const bool select) +{ + Object *obedit = CTX_data_edit_object(C); + Lattice *lt = ((Lattice *)obedit->data)->editlatt->latt; + BPoint *bp; + const int tot = lt->pntsu * lt->pntsv * lt->pntsw; + int u, v, w; + BLI_bitmap *selpoints; + + lt->actbp = LT_ACTBP_NONE; + + selpoints = BLI_BITMAP_NEW(tot, __func__); + BKE_lattice_bitmap_from_flag(lt, selpoints, SELECT, false, false); + + bp = lt->def; + for (w = 0; w < lt->pntsw; w++) { + for (v = 0; v < lt->pntsv; v++) { + for (u = 0; u < lt->pntsu; u++) { + if ((bp->hide == 0) && (((bp->f1 & SELECT) == 0) == select)) { + if (lattice_test_bitmap_uvw(lt, selpoints, u + 1, v, w, select) || + lattice_test_bitmap_uvw(lt, selpoints, u - 1, v, w, select) || + lattice_test_bitmap_uvw(lt, selpoints, u, v + 1, w, select) || + lattice_test_bitmap_uvw(lt, selpoints, u, v - 1, w, select) || + lattice_test_bitmap_uvw(lt, selpoints, u, v, w + 1, select) || + lattice_test_bitmap_uvw(lt, selpoints, u, v, w - 1, select)) + { + SET_FLAG_FROM_TEST(bp->f1, select, SELECT); + } + } + bp++; + } + } + } + + MEM_freeN(selpoints); + + WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data); + return OPERATOR_FINISHED; +} + +static int lattice_select_more_exec(bContext *C, wmOperator *UNUSED(op)) +{ + return lattice_select_more_less(C, true); +} + +static int lattice_select_less_exec(bContext *C, wmOperator *UNUSED(op)) +{ + return lattice_select_more_less(C, false); +} + +void LATTICE_OT_select_more(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Select More"; + ot->description = "Select vertex directly linked to already selected ones"; + ot->idname = "LATTICE_OT_select_more"; + + /* api callbacks */ + ot->exec = lattice_select_more_exec; + ot->poll = ED_operator_editlattice; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; +} + +void LATTICE_OT_select_less(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Select Less"; + ot->description = "Deselect vertices at the boundary of each selection region"; + ot->idname = "LATTICE_OT_select_less"; + + /* api callbacks */ + ot->exec = lattice_select_less_exec; + ot->poll = ED_operator_editlattice; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Select All Operator + * \{ */ + +void ED_lattice_flags_set(Object *obedit, int flag) +{ + Lattice *lt = obedit->data; + BPoint *bp; + int a; + + bp = lt->editlatt->latt->def; + + a = lt->editlatt->latt->pntsu * lt->editlatt->latt->pntsv * lt->editlatt->latt->pntsw; + lt->editlatt->latt->actbp = LT_ACTBP_NONE; + + while (a--) { + if (bp->hide == 0) { + bp->f1 = flag; + } + bp++; + } +} + +static int lattice_select_all_exec(bContext *C, wmOperator *op) +{ + Object *obedit = CTX_data_edit_object(C); + Lattice *lt = obedit->data; + BPoint *bp; + int a; + int action = RNA_enum_get(op->ptr, "action"); + + if (action == SEL_TOGGLE) { + action = SEL_SELECT; + + bp = lt->editlatt->latt->def; + a = lt->editlatt->latt->pntsu * lt->editlatt->latt->pntsv * lt->editlatt->latt->pntsw; + + while (a--) { + if (bp->hide == 0) { + if (bp->f1 & SELECT) { + action = SEL_DESELECT; + break; + } + } + bp++; + } + } + + switch (action) { + case SEL_SELECT: + ED_lattice_flags_set(obedit, 1); + break; + case SEL_DESELECT: + ED_lattice_flags_set(obedit, 0); + break; + case SEL_INVERT: + bp = lt->editlatt->latt->def; + a = lt->editlatt->latt->pntsu * lt->editlatt->latt->pntsv * lt->editlatt->latt->pntsw; + lt->editlatt->latt->actbp = LT_ACTBP_NONE; + + while (a--) { + if (bp->hide == 0) { + bp->f1 ^= SELECT; + } + bp++; + } + break; + } + + WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data); + + return OPERATOR_FINISHED; +} + +void LATTICE_OT_select_all(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "(De)select All"; + ot->description = "Change selection of all UVW control points"; + ot->idname = "LATTICE_OT_select_all"; + + /* api callbacks */ + ot->exec = lattice_select_all_exec; + ot->poll = ED_operator_editlattice; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + WM_operator_properties_select_all(ot); +} + +/** \} */ + +/* -------------------------------------------------------------------- */ +/** \name Select Ungrouped Verts Operator + * \{ */ + +static int lattice_select_ungrouped_exec(bContext *C, wmOperator *op) +{ + Object *obedit = CTX_data_edit_object(C); + Lattice *lt = ((Lattice *)obedit->data)->editlatt->latt; + MDeformVert *dv; + BPoint *bp; + int a, tot; + + if (BLI_listbase_is_empty(&obedit->defbase) || lt->dvert == NULL) { + BKE_report(op->reports, RPT_ERROR, "No weights/vertex groups on object"); + return OPERATOR_CANCELLED; + } + + if (!RNA_boolean_get(op->ptr, "extend")) { + ED_lattice_flags_set(obedit, 0); + } + + dv = lt->dvert; + tot = lt->pntsu * lt->pntsv * lt->pntsw; + + for (a = 0, bp = lt->def; a < tot; a++, bp++, dv++) { + if (bp->hide == 0) { + if (dv->dw == NULL) { + bp->f1 |= SELECT; + } + } + } + + WM_event_add_notifier(C, NC_GEOM | ND_SELECT, obedit->data); + + return OPERATOR_FINISHED; +} + +void LATTICE_OT_select_ungrouped(wmOperatorType *ot) +{ + /* identifiers */ + ot->name = "Select Ungrouped"; + ot->idname = "LATTICE_OT_select_ungrouped"; + ot->description = "Select vertices without a group"; + + /* api callbacks */ + ot->exec = lattice_select_ungrouped_exec; + ot->poll = ED_operator_editlattice; + + /* flags */ + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + RNA_def_boolean(ot->srna, "extend", false, "Extend", "Extend the selection"); +} + +/** \} */ + + +/* -------------------------------------------------------------------- */ +/** \name Select Picking API + * + * Here actual select happens, + * Gets called via generic mouse select operator. + * \{ */ + + +static void findnearestLattvert__doClosest(void *userData, BPoint *bp, const float screen_co[2]) +{ + struct { BPoint *bp; float dist; int select; float mval_fl[2]; } *data = userData; + float dist_test = len_manhattan_v2v2(data->mval_fl, screen_co); + + if ((bp->f1 & SELECT) && data->select) + dist_test += 5.0f; + + if (dist_test < data->dist) { + data->dist = dist_test; + + data->bp = bp; + } +} + +static BPoint *findnearestLattvert(ViewContext *vc, const int mval[2], int sel) +{ + /* (sel == 1): selected gets a disadvantage */ + /* in nurb and bezt or bp the nearest is written */ + /* return 0 1 2: handlepunt */ + struct { BPoint *bp; float dist; int select; float mval_fl[2]; } data = {NULL}; + + data.dist = ED_view3d_select_dist_px(); + data.select = sel; + data.mval_fl[0] = mval[0]; + data.mval_fl[1] = mval[1]; + + ED_view3d_init_mats_rv3d(vc->obedit, vc->rv3d); + lattice_foreachScreenVert(vc, findnearestLattvert__doClosest, &data, V3D_PROJ_TEST_CLIP_DEFAULT); + + return data.bp; +} + +bool ED_lattice_select_pick(bContext *C, const int mval[2], bool extend, bool deselect, bool toggle) +{ + ViewContext vc; + BPoint *bp = NULL; + Lattice *lt; + + ED_view3d_viewcontext_init(C, &vc); + lt = ((Lattice *)vc.obedit->data)->editlatt->latt; + bp = findnearestLattvert(&vc, mval, true); + + if (bp) { + if (extend) { + bp->f1 |= SELECT; + } + else if (deselect) { + bp->f1 &= ~SELECT; + } + else if (toggle) { + bp->f1 ^= SELECT; /* swap */ + } + else { + ED_lattice_flags_set(vc.obedit, 0); + bp->f1 |= SELECT; + } + + if (bp->f1 & SELECT) { + lt->actbp = bp - lt->def; + } + else { + lt->actbp = LT_ACTBP_NONE; + } + + WM_event_add_notifier(C, NC_GEOM | ND_SELECT, vc.obedit->data); + + return true; + } + + return false; +} + +/** \} */ |