diff options
Diffstat (limited to 'source/blender/nodes/geometry/nodes/node_geo_input_instance_scale.cc')
-rw-r--r-- | source/blender/nodes/geometry/nodes/node_geo_input_instance_scale.cc | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/source/blender/nodes/geometry/nodes/node_geo_input_instance_scale.cc b/source/blender/nodes/geometry/nodes/node_geo_input_instance_scale.cc new file mode 100644 index 00000000000..f2abc592f72 --- /dev/null +++ b/source/blender/nodes/geometry/nodes/node_geo_input_instance_scale.cc @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include "node_geometry_util.hh" + +namespace blender::nodes::node_geo_input_instance_scale_cc { + +static void node_declare(NodeDeclarationBuilder &b) +{ + b.add_output<decl::Vector>(N_("Scale")).field_source(); +} + +class VectorFieldInput final : public GeometryFieldInput { + public: + VectorFieldInput() : GeometryFieldInput(CPPType::get<float3>(), "Scale") + { + } + + GVArray get_varray_for_context(const GeometryComponent &component, + const eAttrDomain domain, + IndexMask mask) const final + { + if (component.type() != GEO_COMPONENT_TYPE_INSTANCES) { + return {}; + } + + const InstancesComponent &instance_component = static_cast<const InstancesComponent &>( + component); + + auto scale_fn = [&](const int i) -> float3 { + return instance_component.instance_transforms()[i].scale(); + }; + + return VArray<float3>::ForFunc(instance_component.instances_num(), scale_fn); + } + + uint64_t hash() const override + { + return 8346343; + } + + bool is_equal_to(const fn::FieldNode &other) const override + { + return dynamic_cast<const VectorFieldInput *>(&other) != nullptr; + } +}; + +static void node_geo_exec(GeoNodeExecParams params) +{ + Field<float3> scale{std::make_shared<VectorFieldInput>()}; + params.set_output("Scale", std::move(scale)); +} + +} // namespace blender::nodes::node_geo_input_instance_scale_cc + +void register_node_type_geo_input_instance_scale() +{ + namespace file_ns = blender::nodes::node_geo_input_instance_scale_cc; + + static bNodeType ntype; + geo_node_type_base(&ntype, GEO_NODE_INPUT_INSTANCE_SCALE, "Instance Scale", NODE_CLASS_INPUT); + ntype.geometry_node_execute = file_ns::node_geo_exec; + ntype.declare = file_ns::node_declare; + nodeRegisterType(&ntype); +} |