diff options
Diffstat (limited to 'source/blender/nodes/geometry/nodes/node_geo_scale_elements.cc')
| -rw-r--r-- | source/blender/nodes/geometry/nodes/node_geo_scale_elements.cc | 158 |
1 files changed, 82 insertions, 76 deletions
diff --git a/source/blender/nodes/geometry/nodes/node_geo_scale_elements.cc b/source/blender/nodes/geometry/nodes/node_geo_scale_elements.cc index d674f611c9f..2ebbf88b8ad 100644 --- a/source/blender/nodes/geometry/nodes/node_geo_scale_elements.cc +++ b/source/blender/nodes/geometry/nodes/node_geo_scale_elements.cc @@ -147,14 +147,22 @@ static float4x4 create_single_axis_transform(const float3 ¢er, return transform; } -using GetVertexIndicesFn = - FunctionRef<void(const Mesh &mesh, int element_index, VectorSet<int> &r_vertex_indices)>; +using GetVertexIndicesFn = FunctionRef<void(Span<MEdge> edges, + Span<MPoly> polys, + Span<MLoop> loops, + int element_index, + VectorSet<int> &r_vertex_indices)>; static void scale_vertex_islands_uniformly(Mesh &mesh, const Span<ElementIsland> islands, const UniformScaleParams ¶ms, const GetVertexIndicesFn get_vertex_indices) { + MutableSpan<MVert> verts = mesh.verts_for_write(); + const Span<MEdge> edges = mesh.edges(); + const Span<MPoly> polys = mesh.polys(); + const Span<MLoop> loops = mesh.loops(); + threading::parallel_for(islands.index_range(), 256, [&](const IndexRange range) { for (const int island_index : range) { const ElementIsland &island = islands[island_index]; @@ -164,7 +172,7 @@ static void scale_vertex_islands_uniformly(Mesh &mesh, VectorSet<int> vertex_indices; for (const int poly_index : island.element_indices) { - get_vertex_indices(mesh, poly_index, vertex_indices); + get_vertex_indices(edges, polys, loops, poly_index, vertex_indices); center += params.centers[poly_index]; scale += params.scales[poly_index]; } @@ -175,7 +183,7 @@ static void scale_vertex_islands_uniformly(Mesh &mesh, center *= f; for (const int vert_index : vertex_indices) { - MVert &vert = mesh.mvert[vert_index]; + MVert &vert = verts[vert_index]; const float3 old_position = vert.co; const float3 new_position = transform_with_uniform_scale(old_position, center, scale); copy_v3_v3(vert.co, new_position); @@ -191,6 +199,11 @@ static void scale_vertex_islands_on_axis(Mesh &mesh, const AxisScaleParams ¶ms, const GetVertexIndicesFn get_vertex_indices) { + MutableSpan<MVert> verts = mesh.verts_for_write(); + const Span<MEdge> edges = mesh.edges(); + const Span<MPoly> polys = mesh.polys(); + const Span<MLoop> loops = mesh.loops(); + threading::parallel_for(islands.index_range(), 256, [&](const IndexRange range) { for (const int island_index : range) { const ElementIsland &island = islands[island_index]; @@ -201,7 +214,7 @@ static void scale_vertex_islands_on_axis(Mesh &mesh, VectorSet<int> vertex_indices; for (const int poly_index : island.element_indices) { - get_vertex_indices(mesh, poly_index, vertex_indices); + get_vertex_indices(edges, polys, loops, poly_index, vertex_indices); center += params.centers[poly_index]; scale += params.scales[poly_index]; axis += params.axis_vectors[poly_index]; @@ -219,7 +232,7 @@ static void scale_vertex_islands_on_axis(Mesh &mesh, const float4x4 transform = create_single_axis_transform(center, axis, scale); for (const int vert_index : vertex_indices) { - MVert &vert = mesh.mvert[vert_index]; + MVert &vert = verts[vert_index]; const float3 old_position = vert.co; const float3 new_position = transform * old_position; copy_v3_v3(vert.co, new_position); @@ -232,11 +245,14 @@ static void scale_vertex_islands_on_axis(Mesh &mesh, static Vector<ElementIsland> prepare_face_islands(const Mesh &mesh, const IndexMask face_selection) { + const Span<MPoly> polys = mesh.polys(); + const Span<MLoop> loops = mesh.loops(); + /* Use the disjoint set data structure to determine which vertices have to be scaled together. */ DisjointSet disjoint_set(mesh.totvert); for (const int poly_index : face_selection) { - const MPoly &poly = mesh.mpoly[poly_index]; - const Span<MLoop> poly_loops{mesh.mloop + poly.loopstart, poly.totloop}; + const MPoly &poly = polys[poly_index]; + const Span<MLoop> poly_loops = loops.slice(poly.loopstart, poly.totloop); for (const int loop_index : IndexRange(poly.totloop - 1)) { const int v1 = poly_loops[loop_index].v; const int v2 = poly_loops[loop_index + 1].v; @@ -252,8 +268,8 @@ static Vector<ElementIsland> prepare_face_islands(const Mesh &mesh, const IndexM /* Gather all of the face indices in each island into separate vectors. */ for (const int poly_index : face_selection) { - const MPoly &poly = mesh.mpoly[poly_index]; - const Span<MLoop> poly_loops{mesh.mloop + poly.loopstart, poly.totloop}; + const MPoly &poly = polys[poly_index]; + const Span<MLoop> poly_loops = loops.slice(poly.loopstart, poly.totloop); const int island_id = disjoint_set.find_root(poly_loops[0].v); const int island_index = island_ids.index_of_or_add(island_id); if (island_index == islands.size()) { @@ -266,10 +282,14 @@ static Vector<ElementIsland> prepare_face_islands(const Mesh &mesh, const IndexM return islands; } -static void get_face_vertices(const Mesh &mesh, int face_index, VectorSet<int> &r_vertex_indices) +static void get_face_verts(const Span<MEdge> /*edges*/, + const Span<MPoly> polys, + const Span<MLoop> loops, + int face_index, + VectorSet<int> &r_vertex_indices) { - const MPoly &poly = mesh.mpoly[face_index]; - const Span<MLoop> poly_loops{mesh.mloop + poly.loopstart, poly.totloop}; + const MPoly &poly = polys[face_index]; + const Span<MLoop> poly_loops = loops.slice(poly.loopstart, poly.totloop); for (const MLoop &loop : poly_loops) { r_vertex_indices.add(loop.v); } @@ -288,18 +308,14 @@ static AxisScaleParams evaluate_axis_scale_fields(FieldEvaluator &evaluator, return out; } -static void scale_faces_on_axis(MeshComponent &mesh_component, const AxisScaleFields &fields) +static void scale_faces_on_axis(Mesh &mesh, const AxisScaleFields &fields) { - Mesh &mesh = *mesh_component.get_for_write(); - mesh.mvert = static_cast<MVert *>( - CustomData_duplicate_referenced_layer(&mesh.vdata, CD_MVERT, mesh.totvert)); - - GeometryComponentFieldContext field_context{mesh_component, ATTR_DOMAIN_FACE}; + bke::MeshFieldContext field_context{mesh, ATTR_DOMAIN_FACE}; FieldEvaluator evaluator{field_context, mesh.totpoly}; AxisScaleParams params = evaluate_axis_scale_fields(evaluator, fields); Vector<ElementIsland> island = prepare_face_islands(mesh, params.selection); - scale_vertex_islands_on_axis(mesh, island, params, get_face_vertices); + scale_vertex_islands_on_axis(mesh, island, params, get_face_verts); } static UniformScaleParams evaluate_uniform_scale_fields(FieldEvaluator &evaluator, @@ -314,26 +330,24 @@ static UniformScaleParams evaluate_uniform_scale_fields(FieldEvaluator &evaluato return out; } -static void scale_faces_uniformly(MeshComponent &mesh_component, const UniformScaleFields &fields) +static void scale_faces_uniformly(Mesh &mesh, const UniformScaleFields &fields) { - Mesh &mesh = *mesh_component.get_for_write(); - mesh.mvert = static_cast<MVert *>( - CustomData_duplicate_referenced_layer(&mesh.vdata, CD_MVERT, mesh.totvert)); - - GeometryComponentFieldContext field_context{mesh_component, ATTR_DOMAIN_FACE}; + bke::MeshFieldContext field_context{mesh, ATTR_DOMAIN_FACE}; FieldEvaluator evaluator{field_context, mesh.totpoly}; UniformScaleParams params = evaluate_uniform_scale_fields(evaluator, fields); Vector<ElementIsland> island = prepare_face_islands(mesh, params.selection); - scale_vertex_islands_uniformly(mesh, island, params, get_face_vertices); + scale_vertex_islands_uniformly(mesh, island, params, get_face_verts); } static Vector<ElementIsland> prepare_edge_islands(const Mesh &mesh, const IndexMask edge_selection) { + const Span<MEdge> edges = mesh.edges(); + /* Use the disjoint set data structure to determine which vertices have to be scaled together. */ DisjointSet disjoint_set(mesh.totvert); for (const int edge_index : edge_selection) { - const MEdge &edge = mesh.medge[edge_index]; + const MEdge &edge = edges[edge_index]; disjoint_set.join(edge.v1, edge.v2); } @@ -344,7 +358,7 @@ static Vector<ElementIsland> prepare_edge_islands(const Mesh &mesh, const IndexM /* Gather all of the edge indices in each island into separate vectors. */ for (const int edge_index : edge_selection) { - const MEdge &edge = mesh.medge[edge_index]; + const MEdge &edge = edges[edge_index]; const int island_id = disjoint_set.find_root(edge.v1); const int island_index = island_ids.index_of_or_add(island_id); if (island_index == islands.size()) { @@ -357,39 +371,35 @@ static Vector<ElementIsland> prepare_edge_islands(const Mesh &mesh, const IndexM return islands; } -static void get_edge_vertices(const Mesh &mesh, int edge_index, VectorSet<int> &r_vertex_indices) +static void get_edge_verts(const Span<MEdge> edges, + const Span<MPoly> /*polys*/, + const Span<MLoop> /*loops*/, + int edge_index, + VectorSet<int> &r_vertex_indices) { - const MEdge &edge = mesh.medge[edge_index]; + const MEdge &edge = edges[edge_index]; r_vertex_indices.add(edge.v1); r_vertex_indices.add(edge.v2); } -static void scale_edges_uniformly(MeshComponent &mesh_component, const UniformScaleFields &fields) +static void scale_edges_uniformly(Mesh &mesh, const UniformScaleFields &fields) { - Mesh &mesh = *mesh_component.get_for_write(); - mesh.mvert = static_cast<MVert *>( - CustomData_duplicate_referenced_layer(&mesh.vdata, CD_MVERT, mesh.totvert)); - - GeometryComponentFieldContext field_context{mesh_component, ATTR_DOMAIN_EDGE}; + bke::MeshFieldContext field_context{mesh, ATTR_DOMAIN_EDGE}; FieldEvaluator evaluator{field_context, mesh.totedge}; UniformScaleParams params = evaluate_uniform_scale_fields(evaluator, fields); Vector<ElementIsland> island = prepare_edge_islands(mesh, params.selection); - scale_vertex_islands_uniformly(mesh, island, params, get_edge_vertices); + scale_vertex_islands_uniformly(mesh, island, params, get_edge_verts); } -static void scale_edges_on_axis(MeshComponent &mesh_component, const AxisScaleFields &fields) +static void scale_edges_on_axis(Mesh &mesh, const AxisScaleFields &fields) { - Mesh &mesh = *mesh_component.get_for_write(); - mesh.mvert = static_cast<MVert *>( - CustomData_duplicate_referenced_layer(&mesh.vdata, CD_MVERT, mesh.totvert)); - - GeometryComponentFieldContext field_context{mesh_component, ATTR_DOMAIN_EDGE}; + bke::MeshFieldContext field_context{mesh, ATTR_DOMAIN_EDGE}; FieldEvaluator evaluator{field_context, mesh.totedge}; AxisScaleParams params = evaluate_axis_scale_fields(evaluator, fields); Vector<ElementIsland> island = prepare_edge_islands(mesh, params.selection); - scale_vertex_islands_on_axis(mesh, island, params, get_edge_vertices); + scale_vertex_islands_on_axis(mesh, island, params, get_edge_verts); } static void node_geo_exec(GeoNodeExecParams params) @@ -410,42 +420,38 @@ static void node_geo_exec(GeoNodeExecParams params) } geometry.modify_geometry_sets([&](GeometrySet &geometry) { - if (!geometry.has_mesh()) { - return; - } - MeshComponent &mesh_component = geometry.get_component_for_write<MeshComponent>(); - switch (domain) { - case ATTR_DOMAIN_FACE: { - switch (scale_mode) { - case GEO_NODE_SCALE_ELEMENTS_UNIFORM: { - scale_faces_uniformly(mesh_component, {selection_field, scale_field, center_field}); - break; - } - case GEO_NODE_SCALE_ELEMENTS_SINGLE_AXIS: { - scale_faces_on_axis(mesh_component, - {selection_field, scale_field, center_field, axis_field}); - break; + if (Mesh *mesh = geometry.get_mesh_for_write()) { + switch (domain) { + case ATTR_DOMAIN_FACE: { + switch (scale_mode) { + case GEO_NODE_SCALE_ELEMENTS_UNIFORM: { + scale_faces_uniformly(*mesh, {selection_field, scale_field, center_field}); + break; + } + case GEO_NODE_SCALE_ELEMENTS_SINGLE_AXIS: { + scale_faces_on_axis(*mesh, {selection_field, scale_field, center_field, axis_field}); + break; + } } + break; } - break; - } - case ATTR_DOMAIN_EDGE: { - switch (scale_mode) { - case GEO_NODE_SCALE_ELEMENTS_UNIFORM: { - scale_edges_uniformly(mesh_component, {selection_field, scale_field, center_field}); - break; - } - case GEO_NODE_SCALE_ELEMENTS_SINGLE_AXIS: { - scale_edges_on_axis(mesh_component, - {selection_field, scale_field, center_field, axis_field}); - break; + case ATTR_DOMAIN_EDGE: { + switch (scale_mode) { + case GEO_NODE_SCALE_ELEMENTS_UNIFORM: { + scale_edges_uniformly(*mesh, {selection_field, scale_field, center_field}); + break; + } + case GEO_NODE_SCALE_ELEMENTS_SINGLE_AXIS: { + scale_edges_on_axis(*mesh, {selection_field, scale_field, center_field, axis_field}); + break; + } } + break; } - break; + default: + BLI_assert_unreachable(); + break; } - default: - BLI_assert_unreachable(); - break; } }); |