diff options
Diffstat (limited to 'source/blender/nodes/geometry/nodes/node_geo_join_geometry.cc')
| -rw-r--r-- | source/blender/nodes/geometry/nodes/node_geo_join_geometry.cc | 101 |
1 files changed, 95 insertions, 6 deletions
diff --git a/source/blender/nodes/geometry/nodes/node_geo_join_geometry.cc b/source/blender/nodes/geometry/nodes/node_geo_join_geometry.cc index 857b60dfb93..adfd924f185 100644 --- a/source/blender/nodes/geometry/nodes/node_geo_join_geometry.cc +++ b/source/blender/nodes/geometry/nodes/node_geo_join_geometry.cc @@ -14,9 +14,11 @@ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ +#include "BKE_material.h" #include "BKE_mesh.h" #include "BKE_mesh_runtime.h" #include "BKE_pointcloud.h" +#include "BKE_spline.hh" #include "DNA_mesh_types.h" #include "DNA_meshdata_types.h" @@ -56,6 +58,8 @@ static Mesh *join_mesh_topology_and_builtin_attributes(Span<const MeshComponent int64_t cd_dirty_edge = 0; int64_t cd_dirty_loop = 0; + VectorSet<Material *> materials; + for (const MeshComponent *mesh_component : src_components) { const Mesh *mesh = mesh_component->get_for_read(); totverts += mesh->totvert; @@ -66,12 +70,22 @@ static Mesh *join_mesh_topology_and_builtin_attributes(Span<const MeshComponent cd_dirty_poly |= mesh->runtime.cd_dirty_poly; cd_dirty_edge |= mesh->runtime.cd_dirty_edge; cd_dirty_loop |= mesh->runtime.cd_dirty_loop; + + for (const int slot_index : IndexRange(mesh->totcol)) { + Material *material = mesh->mat[slot_index]; + materials.add(material); + } } const Mesh *first_input_mesh = src_components[0]->get_for_read(); Mesh *new_mesh = BKE_mesh_new_nomain(totverts, totedges, 0, totloops, totpolys); BKE_mesh_copy_settings(new_mesh, first_input_mesh); + for (const int i : IndexRange(materials.size())) { + Material *material = materials[i]; + BKE_id_material_eval_assign(&new_mesh->id, i + 1, material); + } + new_mesh->runtime.cd_dirty_vert = cd_dirty_vert; new_mesh->runtime.cd_dirty_poly = cd_dirty_poly; new_mesh->runtime.cd_dirty_edge = cd_dirty_edge; @@ -87,6 +101,13 @@ static Mesh *join_mesh_topology_and_builtin_attributes(Span<const MeshComponent continue; } + Array<int> material_index_map(mesh->totcol); + for (const int i : IndexRange(mesh->totcol)) { + Material *material = mesh->mat[i]; + const int new_material_index = materials.index_of(material); + material_index_map[i] = new_material_index; + } + for (const int i : IndexRange(mesh->totvert)) { const MVert &old_vert = mesh->mvert[i]; MVert &new_vert = new_mesh->mvert[vert_offset + i]; @@ -112,6 +133,13 @@ static Mesh *join_mesh_topology_and_builtin_attributes(Span<const MeshComponent MPoly &new_poly = new_mesh->mpoly[poly_offset + i]; new_poly = old_poly; new_poly.loopstart += loop_offset; + if (old_poly.mat_nr >= 0 && old_poly.mat_nr < mesh->totcol) { + new_poly.mat_nr = material_index_map[new_poly.mat_nr]; + } + else { + /* The material index was invalid before. */ + new_poly.mat_nr = 0; + } } vert_offset += mesh->totvert; @@ -242,12 +270,30 @@ static void join_components(Span<const PointCloudComponent *> src_components, Ge static void join_components(Span<const InstancesComponent *> src_components, GeometrySet &result) { InstancesComponent &dst_component = result.get_component_for_write<InstancesComponent>(); - for (const InstancesComponent *component : src_components) { - const int size = component->instances_amount(); - Span<InstancedData> instanced_data = component->instanced_data(); - Span<float4x4> transforms = component->transforms(); - for (const int i : IndexRange(size)) { - dst_component.add_instance(instanced_data[i], transforms[i]); + + int tot_instances = 0; + for (const InstancesComponent *src_component : src_components) { + tot_instances += src_component->instances_amount(); + } + dst_component.reserve(tot_instances); + + for (const InstancesComponent *src_component : src_components) { + Span<InstanceReference> src_references = src_component->references(); + Array<int> handle_map(src_references.size()); + for (const int src_handle : src_references.index_range()) { + handle_map[src_handle] = dst_component.add_reference(src_references[src_handle]); + } + + Span<float4x4> src_transforms = src_component->instance_transforms(); + Span<int> src_ids = src_component->instance_ids(); + Span<int> src_reference_handles = src_component->instance_reference_handles(); + + for (const int i : src_transforms.index_range()) { + const int src_handle = src_reference_handles[i]; + const int dst_handle = handle_map[src_handle]; + const float4x4 &transform = src_transforms[i]; + const int id = src_ids[i]; + dst_component.add_instance(dst_handle, transform, id); } } } @@ -260,6 +306,48 @@ static void join_components(Span<const VolumeComponent *> src_components, Geomet UNUSED_VARS(src_components, dst_component); } +static void join_curve_components(MutableSpan<GeometrySet> src_geometry_sets, GeometrySet &result) +{ + Vector<CurveComponent *> src_components; + for (GeometrySet &geometry_set : src_geometry_sets) { + if (geometry_set.has_curve()) { + /* Retrieving with write access seems counterintuitive, but it can allow avoiding a copy + * in the case where the input spline has no other users, because the splines can be + * moved from the source curve rather than copied from a read-only source. Retrieving + * the curve for write will make a copy only when it has a user elsewhere. */ + CurveComponent &component = geometry_set.get_component_for_write<CurveComponent>(); + src_components.append(&component); + } + } + + if (src_components.size() == 0) { + return; + } + if (src_components.size() == 1) { + result.add(*src_components[0]); + return; + } + + CurveComponent &dst_component = result.get_component_for_write<CurveComponent>(); + CurveEval *dst_curve = new CurveEval(); + for (CurveComponent *component : src_components) { + CurveEval *src_curve = component->get_for_write(); + for (SplinePtr &spline : src_curve->splines()) { + dst_curve->add_spline(std::move(spline)); + } + } + + /* For now, remove all custom attributes, since they might have different types, + * or an attribute might not exist on all splines. */ + dst_curve->attributes.reallocate(dst_curve->splines().size()); + CustomData_reset(&dst_curve->attributes.data); + for (SplinePtr &spline : dst_curve->splines()) { + CustomData_reset(&spline->attributes.data); + } + + dst_component.replace(dst_curve); +} + template<typename Component> static void join_component_type(Span<GeometrySet> src_geometry_sets, GeometrySet &result) { @@ -290,6 +378,7 @@ static void geo_node_join_geometry_exec(GeoNodeExecParams params) join_component_type<PointCloudComponent>(geometry_sets, geometry_set_result); join_component_type<InstancesComponent>(geometry_sets, geometry_set_result); join_component_type<VolumeComponent>(geometry_sets, geometry_set_result); + join_curve_components(geometry_sets, geometry_set_result); params.set_output("Geometry", std::move(geometry_set_result)); } |