diff options
Diffstat (limited to 'source/blender/editors/curves/intern/curves_ops.cc')
| -rw-r--r-- | source/blender/editors/curves/intern/curves_ops.cc | 645 |
1 files changed, 513 insertions, 132 deletions
diff --git a/source/blender/editors/curves/intern/curves_ops.cc b/source/blender/editors/curves/intern/curves_ops.cc index 5588f7440a8..f4d1c8046f1 100644 --- a/source/blender/editors/curves/intern/curves_ops.cc +++ b/source/blender/editors/curves/intern/curves_ops.cc @@ -6,19 +6,26 @@ #include <atomic> +#include "BLI_devirtualize_parameters.hh" #include "BLI_utildefines.h" +#include "BLI_vector_set.hh" #include "ED_curves.h" #include "ED_object.h" #include "ED_screen.h" +#include "ED_select_utils.h" #include "WM_api.h" +#include "BKE_attribute_math.hh" #include "BKE_bvhutils.h" #include "BKE_context.h" #include "BKE_curves.hh" +#include "BKE_geometry_set.hh" #include "BKE_layer.h" +#include "BKE_lib_id.h" #include "BKE_mesh.h" +#include "BKE_mesh_legacy_convert.h" #include "BKE_mesh_runtime.h" #include "BKE_object.h" #include "BKE_paint.h" @@ -37,8 +44,11 @@ #include "RNA_access.h" #include "RNA_define.h" +#include "RNA_enum_types.h" #include "RNA_prototypes.h" +#include "GEO_reverse_uv_sampler.hh" + /** * The code below uses a suffix naming convention to indicate the coordinate space: * `cu`: Local space of the curves object that is being edited. @@ -49,6 +59,41 @@ namespace blender::ed::curves { +static bool object_has_editable_curves(const Main &bmain, const Object &object) +{ + if (object.type != OB_CURVES) { + return false; + } + if (!ELEM(object.mode, OB_MODE_SCULPT_CURVES, OB_MODE_EDIT)) { + return false; + } + if (!BKE_id_is_editable(&bmain, static_cast<const ID *>(object.data))) { + return false; + } + return true; +} + +VectorSet<Curves *> get_unique_editable_curves(const bContext &C) +{ + VectorSet<Curves *> unique_curves; + + const Main &bmain = *CTX_data_main(&C); + + Object *object = CTX_data_active_object(&C); + if (object && object_has_editable_curves(bmain, *object)) { + unique_curves.add_new(static_cast<Curves *>(object->data)); + } + + CTX_DATA_BEGIN (&C, Object *, object, selected_objects) { + if (object_has_editable_curves(bmain, *object)) { + unique_curves.add(static_cast<Curves *>(object->data)); + } + } + CTX_DATA_END; + + return unique_curves; +} + using bke::CurvesGeometry; namespace convert_to_particle_system { @@ -143,25 +188,20 @@ static void try_convert_single_object(Object &curves_ob, } Mesh &surface_me = *static_cast<Mesh *>(surface_ob.data); + BVHTreeFromMesh surface_bvh; + BKE_bvhtree_from_mesh_get(&surface_bvh, &surface_me, BVHTREE_FROM_LOOPTRI, 2); + BLI_SCOPED_DEFER([&]() { free_bvhtree_from_mesh(&surface_bvh); }); + const Span<float3> positions_cu = curves.positions(); - const VArray<int> looptri_indices = curves.surface_triangle_indices(); const Span<MLoopTri> looptris{BKE_mesh_runtime_looptri_ensure(&surface_me), BKE_mesh_runtime_looptri_len(&surface_me)}; - /* Find indices of curves that can be transferred to the old hair system. */ - Vector<int> curves_indices_to_transfer; - for (const int curve_i : curves.curves_range()) { - const int looptri_i = looptri_indices[curve_i]; - if (looptri_i >= 0 && looptri_i < looptris.size()) { - curves_indices_to_transfer.append(curve_i); - } - else { - *r_could_not_convert_some_curves = true; - } + if (looptris.is_empty()) { + *r_could_not_convert_some_curves = true; } - const int hairs_num = curves_indices_to_transfer.size(); - if (hairs_num == 0) { + const int hair_num = curves.curves_num(); + if (hair_num == 0) { return; } @@ -187,13 +227,13 @@ static void try_convert_single_object(Object &curves_ob, psys_changed_type(&surface_ob, particle_system); MutableSpan<ParticleData> particles{ - static_cast<ParticleData *>(MEM_calloc_arrayN(hairs_num, sizeof(ParticleData), __func__)), - hairs_num}; + static_cast<ParticleData *>(MEM_calloc_arrayN(hair_num, sizeof(ParticleData), __func__)), + hair_num}; /* The old hair system still uses #MFace, so make sure those are available on the mesh. */ BKE_mesh_tessface_calc(&surface_me); - /* Prepare utility data structure to map hair roots to mfaces. */ + /* Prepare utility data structure to map hair roots to #MFace's. */ const Span<int> mface_to_poly_map{ static_cast<const int *>(CustomData_get_layer(&surface_me.fdata, CD_ORIGINDEX)), surface_me.totface}; @@ -204,22 +244,25 @@ static void try_convert_single_object(Object &curves_ob, } /* Prepare transformation matrices. */ - const float4x4 curves_to_world_mat = curves_ob.obmat; - const float4x4 surface_to_world_mat = surface_ob.obmat; - const float4x4 world_to_surface_mat = surface_to_world_mat.inverted(); - const float4x4 curves_to_surface_mat = world_to_surface_mat * curves_to_world_mat; + const bke::CurvesSurfaceTransforms transforms{curves_ob, &surface_ob}; - for (const int new_hair_i : curves_indices_to_transfer.index_range()) { - const int curve_i = curves_indices_to_transfer[new_hair_i]; + for (const int new_hair_i : IndexRange(hair_num)) { + const int curve_i = new_hair_i; const IndexRange points = curves.points_for_curve(curve_i); - const int looptri_i = looptri_indices[curve_i]; + const float3 &root_pos_cu = positions_cu[points.first()]; + const float3 root_pos_su = transforms.curves_to_surface * root_pos_cu; + + BVHTreeNearest nearest; + nearest.dist_sq = FLT_MAX; + BLI_bvhtree_find_nearest( + surface_bvh.tree, root_pos_su, &nearest, surface_bvh.nearest_callback, &surface_bvh); + BLI_assert(nearest.index >= 0); + + const int looptri_i = nearest.index; const MLoopTri &looptri = looptris[looptri_i]; const int poly_i = looptri.poly; - const float3 &root_pos_cu = positions_cu[points.first()]; - const float3 root_pos_su = curves_to_surface_mat * root_pos_cu; - const int mface_i = find_mface_for_root_position( surface_me, poly_to_mface_map[poly_i], root_pos_su); const MFace &mface = surface_me.mface[mface_i]; @@ -248,7 +291,7 @@ static void try_convert_single_object(Object &curves_ob, for (const int key_i : hair_keys.index_range()) { const float3 &key_pos_cu = positions_cu[points[key_i]]; - const float3 key_pos_su = curves_to_surface_mat * key_pos_cu; + const float3 key_pos_su = transforms.curves_to_surface * key_pos_cu; const float3 key_pos_ha = surface_to_hair_mat * key_pos_su; HairKey &key = hair_keys[key_i]; @@ -422,7 +465,6 @@ static int curves_convert_from_particle_system_exec(bContext *C, wmOperator *UNU } Object *ob_new = BKE_object_add(&bmain, &view_layer, OB_CURVES, psys_eval->name); - ob_new->dtx |= OB_DRAWBOUNDOX; /* TODO: Remove once there is actual drawing. */ Curves *curves_id = static_cast<Curves *>(ob_new->data); BKE_object_apply_mat4(ob_new, ob_from_orig->obmat, true, false); bke::CurvesGeometry::wrap(curves_id->geometry) = particles_to_curves(*ob_from_eval, *psys_eval); @@ -475,133 +517,169 @@ static bool snap_curves_to_surface_poll(bContext *C) return true; } -static int snap_curves_to_surface_exec(bContext *C, wmOperator *op) +static void snap_curves_to_surface_exec_object(Object &curves_ob, + const Object &surface_ob, + const AttachMode attach_mode, + bool *r_invalid_uvs, + bool *r_missing_uvs) { - const AttachMode attach_mode = static_cast<AttachMode>(RNA_enum_get(op->ptr, "attach_mode")); + Curves &curves_id = *static_cast<Curves *>(curves_ob.data); + CurvesGeometry &curves = CurvesGeometry::wrap(curves_id.geometry); - std::atomic<bool> found_invalid_looptri_index = false; + Mesh &surface_mesh = *static_cast<Mesh *>(surface_ob.data); - CTX_DATA_BEGIN (C, Object *, curves_ob, selected_objects) { - if (curves_ob->type != OB_CURVES) { - continue; - } - Curves &curves_id = *static_cast<Curves *>(curves_ob->data); - CurvesGeometry &curves = CurvesGeometry::wrap(curves_id.geometry); - if (curves_id.surface == nullptr) { - continue; - } - Object &surface_ob = *curves_id.surface; - if (surface_ob.type != OB_MESH) { - continue; - } - Mesh &surface_mesh = *static_cast<Mesh *>(surface_ob.data); - - MutableSpan<float3> positions_cu = curves.positions_for_write(); - MutableSpan<int> surface_triangle_indices = curves.surface_triangle_indices_for_write(); - MutableSpan<float2> surface_triangle_coords = curves.surface_triangle_coords_for_write(); - - const Span<MLoopTri> surface_looptris = {BKE_mesh_runtime_looptri_ensure(&surface_mesh), - BKE_mesh_runtime_looptri_len(&surface_mesh)}; - - const float4x4 curves_to_world_mat = curves_ob->obmat; - const float4x4 world_to_curves_mat = curves_to_world_mat.inverted(); - const float4x4 surface_to_world_mat = surface_ob.obmat; - const float4x4 world_to_surface_mat = surface_to_world_mat.inverted(); - const float4x4 curves_to_surface_mat = world_to_surface_mat * curves_to_world_mat; - const float4x4 surface_to_curves_mat = world_to_curves_mat * surface_to_world_mat; - - switch (attach_mode) { - case AttachMode::Nearest: { - BVHTreeFromMesh surface_bvh; - BKE_bvhtree_from_mesh_get(&surface_bvh, &surface_mesh, BVHTREE_FROM_LOOPTRI, 2); - BLI_SCOPED_DEFER([&]() { free_bvhtree_from_mesh(&surface_bvh); }); - - threading::parallel_for(curves.curves_range(), 256, [&](const IndexRange curves_range) { - for (const int curve_i : curves_range) { - const IndexRange points = curves.points_for_curve(curve_i); - const int first_point_i = points.first(); - const float3 old_first_point_pos_cu = positions_cu[first_point_i]; - const float3 old_first_point_pos_su = curves_to_surface_mat * old_first_point_pos_cu; - - BVHTreeNearest nearest; - nearest.index = -1; - nearest.dist_sq = FLT_MAX; - BLI_bvhtree_find_nearest(surface_bvh.tree, - old_first_point_pos_su, - &nearest, - surface_bvh.nearest_callback, - &surface_bvh); - const int looptri_index = nearest.index; - if (looptri_index == -1) { - continue; - } - - const float3 new_first_point_pos_su = nearest.co; - const float3 new_first_point_pos_cu = surface_to_curves_mat * new_first_point_pos_su; - const float3 pos_diff_cu = new_first_point_pos_cu - old_first_point_pos_cu; - - for (float3 &pos_cu : positions_cu.slice(points)) { - pos_cu += pos_diff_cu; - } - - surface_triangle_indices[curve_i] = looptri_index; + VArraySpan<float2> surface_uv_map; + if (curves_id.surface_uv_map != nullptr) { + const bke::AttributeAccessor surface_attributes = bke::mesh_attributes(surface_mesh); + surface_uv_map = surface_attributes + .lookup(curves_id.surface_uv_map, ATTR_DOMAIN_CORNER, CD_PROP_FLOAT2) + .typed<float2>(); + } + + MutableSpan<float3> positions_cu = curves.positions_for_write(); + MutableSpan<float2> surface_uv_coords = curves.surface_uv_coords_for_write(); + + const Span<MLoopTri> surface_looptris = {BKE_mesh_runtime_looptri_ensure(&surface_mesh), + BKE_mesh_runtime_looptri_len(&surface_mesh)}; + + const bke::CurvesSurfaceTransforms transforms{curves_ob, &surface_ob}; + + switch (attach_mode) { + case AttachMode::Nearest: { + BVHTreeFromMesh surface_bvh; + BKE_bvhtree_from_mesh_get(&surface_bvh, &surface_mesh, BVHTREE_FROM_LOOPTRI, 2); + BLI_SCOPED_DEFER([&]() { free_bvhtree_from_mesh(&surface_bvh); }); + + threading::parallel_for(curves.curves_range(), 256, [&](const IndexRange curves_range) { + for (const int curve_i : curves_range) { + const IndexRange points = curves.points_for_curve(curve_i); + const int first_point_i = points.first(); + const float3 old_first_point_pos_cu = positions_cu[first_point_i]; + const float3 old_first_point_pos_su = transforms.curves_to_surface * + old_first_point_pos_cu; + + BVHTreeNearest nearest; + nearest.index = -1; + nearest.dist_sq = FLT_MAX; + BLI_bvhtree_find_nearest(surface_bvh.tree, + old_first_point_pos_su, + &nearest, + surface_bvh.nearest_callback, + &surface_bvh); + const int looptri_index = nearest.index; + if (looptri_index == -1) { + continue; + } + const float3 new_first_point_pos_su = nearest.co; + const float3 new_first_point_pos_cu = transforms.surface_to_curves * + new_first_point_pos_su; + const float3 pos_diff_cu = new_first_point_pos_cu - old_first_point_pos_cu; + + for (float3 &pos_cu : positions_cu.slice(points)) { + pos_cu += pos_diff_cu; + } + + if (!surface_uv_map.is_empty()) { const MLoopTri &looptri = surface_looptris[looptri_index]; - const float3 &p0_su = surface_mesh.mvert[surface_mesh.mloop[looptri.tri[0]].v].co; - const float3 &p1_su = surface_mesh.mvert[surface_mesh.mloop[looptri.tri[1]].v].co; - const float3 &p2_su = surface_mesh.mvert[surface_mesh.mloop[looptri.tri[2]].v].co; + const int corner0 = looptri.tri[0]; + const int corner1 = looptri.tri[1]; + const int corner2 = looptri.tri[2]; + const float2 &uv0 = surface_uv_map[corner0]; + const float2 &uv1 = surface_uv_map[corner1]; + const float2 &uv2 = surface_uv_map[corner2]; + const float3 &p0_su = surface_mesh.mvert[surface_mesh.mloop[corner0].v].co; + const float3 &p1_su = surface_mesh.mvert[surface_mesh.mloop[corner1].v].co; + const float3 &p2_su = surface_mesh.mvert[surface_mesh.mloop[corner2].v].co; float3 bary_coords; interp_weights_tri_v3(bary_coords, p0_su, p1_su, p2_su, new_first_point_pos_su); - surface_triangle_coords[curve_i] = bke::curves::encode_surface_bary_coord(bary_coords); + const float2 uv = attribute_math::mix3(bary_coords, uv0, uv1, uv2); + surface_uv_coords[curve_i] = uv; } - }); + } + }); + break; + } + case AttachMode::Deform: { + if (surface_uv_map.is_empty()) { + *r_missing_uvs = true; break; } - case AttachMode::Deform: { - threading::parallel_for(curves.curves_range(), 256, [&](const IndexRange curves_range) { - for (const int curve_i : curves_range) { - const IndexRange points = curves.points_for_curve(curve_i); - const int first_point_i = points.first(); - const float3 old_first_point_pos_cu = positions_cu[first_point_i]; - - const int looptri_index = surface_triangle_indices[curve_i]; - if (!surface_looptris.index_range().contains(looptri_index)) { - found_invalid_looptri_index = true; - continue; - } - - const MLoopTri &looptri = surface_looptris[looptri_index]; + using geometry::ReverseUVSampler; + ReverseUVSampler reverse_uv_sampler{surface_uv_map, surface_looptris}; + + threading::parallel_for(curves.curves_range(), 256, [&](const IndexRange curves_range) { + for (const int curve_i : curves_range) { + const IndexRange points = curves.points_for_curve(curve_i); + const int first_point_i = points.first(); + const float3 old_first_point_pos_cu = positions_cu[first_point_i]; + + const float2 uv = surface_uv_coords[curve_i]; + ReverseUVSampler::Result lookup_result = reverse_uv_sampler.sample(uv); + if (lookup_result.type != ReverseUVSampler::ResultType::Ok) { + *r_invalid_uvs = true; + continue; + } - const float3 bary_coords = bke::curves::decode_surface_bary_coord( - surface_triangle_coords[curve_i]); + const MLoopTri &looptri = *lookup_result.looptri; + const float3 &bary_coords = lookup_result.bary_weights; - const float3 &p0_su = surface_mesh.mvert[surface_mesh.mloop[looptri.tri[0]].v].co; - const float3 &p1_su = surface_mesh.mvert[surface_mesh.mloop[looptri.tri[1]].v].co; - const float3 &p2_su = surface_mesh.mvert[surface_mesh.mloop[looptri.tri[2]].v].co; + const float3 &p0_su = surface_mesh.mvert[surface_mesh.mloop[looptri.tri[0]].v].co; + const float3 &p1_su = surface_mesh.mvert[surface_mesh.mloop[looptri.tri[1]].v].co; + const float3 &p2_su = surface_mesh.mvert[surface_mesh.mloop[looptri.tri[2]].v].co; - float3 new_first_point_pos_su; - interp_v3_v3v3v3(new_first_point_pos_su, p0_su, p1_su, p2_su, bary_coords); - const float3 new_first_point_pos_cu = surface_to_curves_mat * new_first_point_pos_su; + float3 new_first_point_pos_su; + interp_v3_v3v3v3(new_first_point_pos_su, p0_su, p1_su, p2_su, bary_coords); + const float3 new_first_point_pos_cu = transforms.surface_to_curves * + new_first_point_pos_su; - const float3 pos_diff_cu = new_first_point_pos_cu - old_first_point_pos_cu; - for (float3 &pos_cu : positions_cu.slice(points)) { - pos_cu += pos_diff_cu; - } + const float3 pos_diff_cu = new_first_point_pos_cu - old_first_point_pos_cu; + for (float3 &pos_cu : positions_cu.slice(points)) { + pos_cu += pos_diff_cu; } - }); - break; - } + } + }); + break; } + } + + DEG_id_tag_update(&curves_id.id, ID_RECALC_GEOMETRY); +} + +static int snap_curves_to_surface_exec(bContext *C, wmOperator *op) +{ + const AttachMode attach_mode = static_cast<AttachMode>(RNA_enum_get(op->ptr, "attach_mode")); - DEG_id_tag_update(&curves_id.id, ID_RECALC_GEOMETRY); + bool found_invalid_uvs = false; + bool found_missing_uvs = false; + + CTX_DATA_BEGIN (C, Object *, curves_ob, selected_objects) { + if (curves_ob->type != OB_CURVES) { + continue; + } + Curves &curves_id = *static_cast<Curves *>(curves_ob->data); + if (curves_id.surface == nullptr) { + continue; + } + if (curves_id.surface->type != OB_MESH) { + continue; + } + snap_curves_to_surface_exec_object( + *curves_ob, *curves_id.surface, attach_mode, &found_invalid_uvs, &found_missing_uvs); } CTX_DATA_END; - if (found_invalid_looptri_index) { + if (found_missing_uvs) { + BKE_report(op->reports, + RPT_ERROR, + "Curves do not have attachment information that can be used for deformation"); + } + if (found_invalid_uvs) { BKE_report(op->reports, RPT_INFO, "Could not snap some curves to the surface"); } - WM_main_add_notifier(NC_OBJECT | ND_DRAW, nullptr); + /* Refresh the entire window to also clear eventual modifier and nodes editor warnings.*/ + WM_event_add_notifier(C, NC_WINDOW, nullptr); return OPERATOR_FINISHED; } @@ -645,6 +723,305 @@ static void CURVES_OT_snap_curves_to_surface(wmOperatorType *ot) "How to find the point on the surface to attach to"); } +bool selection_operator_poll(bContext *C) +{ + const Object *object = CTX_data_active_object(C); + if (object == nullptr) { + return false; + } + if (object->type != OB_CURVES) { + return false; + } + if (!BKE_id_is_editable(CTX_data_main(C), static_cast<const ID *>(object->data))) { + return false; + } + return true; +} + +namespace set_selection_domain { + +static int curves_set_selection_domain_exec(bContext *C, wmOperator *op) +{ + const eAttrDomain domain = eAttrDomain(RNA_enum_get(op->ptr, "domain")); + + for (Curves *curves_id : get_unique_editable_curves(*C)) { + if (curves_id->selection_domain == domain && (curves_id->flag & CV_SCULPT_SELECTION_ENABLED)) { + continue; + } + + const eAttrDomain old_domain = eAttrDomain(curves_id->selection_domain); + curves_id->selection_domain = domain; + curves_id->flag |= CV_SCULPT_SELECTION_ENABLED; + + CurvesGeometry &curves = CurvesGeometry::wrap(curves_id->geometry); + bke::MutableAttributeAccessor attributes = curves.attributes_for_write(); + + if (old_domain == ATTR_DOMAIN_POINT && domain == ATTR_DOMAIN_CURVE) { + VArray<float> curve_selection = curves.adapt_domain( + curves.selection_point_float(), ATTR_DOMAIN_POINT, ATTR_DOMAIN_CURVE); + curve_selection.materialize(curves.selection_curve_float_for_write()); + attributes.remove(".selection_point_float"); + } + else if (old_domain == ATTR_DOMAIN_CURVE && domain == ATTR_DOMAIN_POINT) { + VArray<float> point_selection = curves.adapt_domain( + curves.selection_curve_float(), ATTR_DOMAIN_CURVE, ATTR_DOMAIN_POINT); + point_selection.materialize(curves.selection_point_float_for_write()); + attributes.remove(".selection_curve_float"); + } + + /* Use #ID_RECALC_GEOMETRY instead of #ID_RECALC_SELECT because it is handled as a generic + * attribute for now. */ + DEG_id_tag_update(&curves_id->id, ID_RECALC_GEOMETRY); + WM_event_add_notifier(C, NC_GEOM | ND_DATA, curves_id); + } + + WM_main_add_notifier(NC_SPACE | ND_SPACE_VIEW3D, nullptr); + + return OPERATOR_FINISHED; +} + +} // namespace set_selection_domain + +static void CURVES_OT_set_selection_domain(wmOperatorType *ot) +{ + PropertyRNA *prop; + + ot->name = "Set Select Mode"; + ot->idname = __func__; + ot->description = "Change the mode used for selection masking in curves sculpt mode"; + + ot->exec = set_selection_domain::curves_set_selection_domain_exec; + ot->poll = selection_operator_poll; + + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + ot->prop = prop = RNA_def_enum( + ot->srna, "domain", rna_enum_attribute_curves_domain_items, 0, "Domain", ""); + RNA_def_property_flag(prop, (PropertyFlag)(PROP_HIDDEN | PROP_SKIP_SAVE)); +} + +namespace disable_selection { + +static int curves_disable_selection_exec(bContext *C, wmOperator *UNUSED(op)) +{ + for (Curves *curves_id : get_unique_editable_curves(*C)) { + curves_id->flag &= ~CV_SCULPT_SELECTION_ENABLED; + + /* Use #ID_RECALC_GEOMETRY instead of #ID_RECALC_SELECT because it is handled as a generic + * attribute for now. */ + DEG_id_tag_update(&curves_id->id, ID_RECALC_GEOMETRY); + WM_event_add_notifier(C, NC_GEOM | ND_DATA, curves_id); + } + + WM_main_add_notifier(NC_SPACE | ND_SPACE_VIEW3D, nullptr); + + return OPERATOR_FINISHED; +} + +} // namespace disable_selection + +static void CURVES_OT_disable_selection(wmOperatorType *ot) +{ + ot->name = "Disable Selection"; + ot->idname = __func__; + ot->description = "Disable the drawing of influence of selection in sculpt mode"; + + ot->exec = disable_selection::curves_disable_selection_exec; + ot->poll = selection_operator_poll; + + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; +} + +static bool varray_contains_nonzero(const VArray<float> &data) +{ + bool contains_nonzero = false; + devirtualize_varray(data, [&](const auto array) { + for (const int i : data.index_range()) { + if (array[i] != 0.0f) { + contains_nonzero = true; + break; + } + } + }); + return contains_nonzero; +} + +bool has_anything_selected(const Curves &curves_id) +{ + const CurvesGeometry &curves = CurvesGeometry::wrap(curves_id.geometry); + switch (curves_id.selection_domain) { + case ATTR_DOMAIN_POINT: + return varray_contains_nonzero(curves.selection_point_float()); + case ATTR_DOMAIN_CURVE: + return varray_contains_nonzero(curves.selection_curve_float()); + } + BLI_assert_unreachable(); + return false; +} + +static bool any_point_selected(const CurvesGeometry &curves) +{ + return varray_contains_nonzero(curves.selection_point_float()); +} + +static bool any_point_selected(const Span<Curves *> curves_ids) +{ + for (const Curves *curves_id : curves_ids) { + if (any_point_selected(CurvesGeometry::wrap(curves_id->geometry))) { + return true; + } + } + return false; +} + +namespace select_all { + +static void invert_selection(MutableSpan<float> selection) +{ + threading::parallel_for(selection.index_range(), 2048, [&](IndexRange range) { + for (const int i : range) { + selection[i] = 1.0f - selection[i]; + } + }); +} + +static int select_all_exec(bContext *C, wmOperator *op) +{ + int action = RNA_enum_get(op->ptr, "action"); + + VectorSet<Curves *> unique_curves = get_unique_editable_curves(*C); + + if (action == SEL_TOGGLE) { + action = any_point_selected(unique_curves) ? SEL_DESELECT : SEL_SELECT; + } + + for (Curves *curves_id : unique_curves) { + CurvesGeometry &curves = CurvesGeometry::wrap(curves_id->geometry); + if (action == SEL_SELECT) { + /* As an optimization, just remove the selection attributes when everything is selected. */ + bke::MutableAttributeAccessor attributes = curves.attributes_for_write(); + attributes.remove(".selection_point_float"); + attributes.remove(".selection_curve_float"); + } + else { + MutableSpan<float> selection = curves_id->selection_domain == ATTR_DOMAIN_POINT ? + curves.selection_point_float_for_write() : + curves.selection_curve_float_for_write(); + if (action == SEL_DESELECT) { + selection.fill(0.0f); + } + else if (action == SEL_INVERT) { + invert_selection(selection); + } + } + + /* Use #ID_RECALC_GEOMETRY instead of #ID_RECALC_SELECT because it is handled as a generic + * attribute for now. */ + DEG_id_tag_update(&curves_id->id, ID_RECALC_GEOMETRY); + WM_event_add_notifier(C, NC_GEOM | ND_DATA, curves_id); + } + + return OPERATOR_FINISHED; +} + +} // namespace select_all + +static void SCULPT_CURVES_OT_select_all(wmOperatorType *ot) +{ + ot->name = "(De)select All"; + ot->idname = __func__; + ot->description = "(De)select all control points"; + + ot->exec = select_all::select_all_exec; + ot->poll = selection_operator_poll; + + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; + + WM_operator_properties_select_all(ot); +} + +namespace surface_set { + +static bool surface_set_poll(bContext *C) +{ + const Object *object = CTX_data_active_object(C); + if (object == nullptr) { + return false; + } + if (object->type != OB_MESH) { + return false; + } + return true; +} + +static int surface_set_exec(bContext *C, wmOperator *op) +{ + Main *bmain = CTX_data_main(C); + Scene *scene = CTX_data_scene(C); + + Object &new_surface_ob = *CTX_data_active_object(C); + + Mesh &new_surface_mesh = *static_cast<Mesh *>(new_surface_ob.data); + const char *new_uv_map_name = CustomData_get_active_layer_name(&new_surface_mesh.ldata, + CD_MLOOPUV); + + CTX_DATA_BEGIN (C, Object *, selected_ob, selected_objects) { + if (selected_ob->type != OB_CURVES) { + continue; + } + Object &curves_ob = *selected_ob; + Curves &curves_id = *static_cast<Curves *>(curves_ob.data); + + MEM_SAFE_FREE(curves_id.surface_uv_map); + if (new_uv_map_name != nullptr) { + curves_id.surface_uv_map = BLI_strdup(new_uv_map_name); + } + + bool missing_uvs; + bool invalid_uvs; + snap_curves_to_surface::snap_curves_to_surface_exec_object( + curves_ob, + new_surface_ob, + snap_curves_to_surface::AttachMode::Nearest, + &invalid_uvs, + &missing_uvs); + + /* Add deformation modifier if necessary. */ + blender::ed::curves::ensure_surface_deformation_node_exists(*C, curves_ob); + + curves_id.surface = &new_surface_ob; + ED_object_parent_set( + op->reports, C, scene, &curves_ob, &new_surface_ob, PAR_OBJECT, false, true, nullptr); + + DEG_id_tag_update(&curves_ob.id, ID_RECALC_TRANSFORM); + WM_event_add_notifier(C, NC_GEOM | ND_DATA, &curves_id); + + /* Required for deformation. */ + new_surface_ob.modifier_flag |= OB_MODIFIER_FLAG_ADD_REST_POSITION; + DEG_id_tag_update(&new_surface_ob.id, ID_RECALC_GEOMETRY); + } + CTX_DATA_END; + + DEG_relations_tag_update(bmain); + + return OPERATOR_FINISHED; +} + +} // namespace surface_set + +static void CURVES_OT_surface_set(wmOperatorType *ot) +{ + ot->name = "Set Curves Surface Object"; + ot->idname = __func__; + ot->description = + "Use the active object as surface for selected curves objects and set it as the parent"; + + ot->exec = surface_set::surface_set_exec; + ot->poll = surface_set::surface_set_poll; + + ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; +} + } // namespace blender::ed::curves void ED_operatortypes_curves() @@ -653,4 +1030,8 @@ void ED_operatortypes_curves() WM_operatortype_append(CURVES_OT_convert_to_particle_system); WM_operatortype_append(CURVES_OT_convert_from_particle_system); WM_operatortype_append(CURVES_OT_snap_curves_to_surface); + WM_operatortype_append(CURVES_OT_set_selection_domain); + WM_operatortype_append(SCULPT_CURVES_OT_select_all); + WM_operatortype_append(CURVES_OT_disable_selection); + WM_operatortype_append(CURVES_OT_surface_set); } |