Differential D13292 Diff 45005 source/blender/nodes/geometry/nodes/node_geo_transfer_attribute.cc

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source/blender/nodes/geometry/nodes/node_geo_transfer_attribute.cc

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using namespace blender::bke::mesh_surface_sample;		using namespace blender::bke::mesh_surface_sample;
using blender::fn::GArray;		using blender::fn::GArray;

namespace blender::nodes {		namespace blender::nodes {

static void geo_node_transfer_attribute_declare(NodeDeclarationBuilder &b)		static void geo_node_transfer_attribute_declare(NodeDeclarationBuilder &b)
{		{
b.add_input<decl::Geometry>(N_("Target"))		b.add_input<decl::Geometry>(N_("Target"))
.only_realized_data()		.supported_type({GEO_COMPONENT_TYPE_MESH,
.supported_type(		GEO_COMPONENT_TYPE_POINT_CLOUD,
{GEO_COMPONENT_TYPE_MESH, GEO_COMPONENT_TYPE_POINT_CLOUD, GEO_COMPONENT_TYPE_CURVE});		GEO_COMPONENT_TYPE_CURVE,
		GEO_COMPONENT_TYPE_INSTANCES});

b.add_input<decl::Vector>(N_("Attribute")).hide_value().supports_field();		b.add_input<decl::Vector>(N_("Attribute")).hide_value().supports_field();
b.add_input<decl::Float>(N_("Attribute"), "Attribute_001").hide_value().supports_field();		b.add_input<decl::Float>(N_("Attribute"), "Attribute_001").hide_value().supports_field();
b.add_input<decl::Color>(N_("Attribute"), "Attribute_002").hide_value().supports_field();		b.add_input<decl::Color>(N_("Attribute"), "Attribute_002").hide_value().supports_field();
b.add_input<decl::Bool>(N_("Attribute"), "Attribute_003").hide_value().supports_field();		b.add_input<decl::Bool>(N_("Attribute"), "Attribute_003").hide_value().supports_field();
b.add_input<decl::Int>(N_("Attribute"), "Attribute_004").hide_value().supports_field();		b.add_input<decl::Int>(N_("Attribute"), "Attribute_004").hide_value().supports_field();

b.add_input<decl::Vector>(N_("Source Position")).implicit_field();		b.add_input<decl::Vector>(N_("Source Position")).implicit_field();
▲ Show 20 Lines • Show All 533 Lines • ▼ Show 20 Lines	private:
}		}
};		};

static const GeometryComponent *find_target_component(const GeometrySet &geometry,		static const GeometryComponent *find_target_component(const GeometrySet &geometry,
const AttributeDomain domain)		const AttributeDomain domain)
{		{
/* Choose the other component based on a consistent order, rather than some more complicated		/* Choose the other component based on a consistent order, rather than some more complicated
* heuristic. This is the same order visible in the spreadsheet and used in the ray-cast node. */		* heuristic. This is the same order visible in the spreadsheet and used in the ray-cast node. */
static const Array<GeometryComponentType> supported_types = {		static const Array<GeometryComponentType> supported_types = {GEO_COMPONENT_TYPE_MESH,
GEO_COMPONENT_TYPE_MESH, GEO_COMPONENT_TYPE_POINT_CLOUD, GEO_COMPONENT_TYPE_CURVE};		GEO_COMPONENT_TYPE_POINT_CLOUD,
		GEO_COMPONENT_TYPE_CURVE,
		GEO_COMPONENT_TYPE_INSTANCES};
for (const GeometryComponentType src_type : supported_types) {		for (const GeometryComponentType src_type : supported_types) {
if (component_is_available(geometry, src_type, domain)) {		if (component_is_available(geometry, src_type, domain)) {
return geometry.get_component_for_read(src_type);		return geometry.get_component_for_read(src_type);
}		}
}		}

return nullptr;		return nullptr;
}		}
▲ Show 20 Lines • Show All 126 Lines • ▼ Show 20 Lines	static void geo_node_transfer_attribute_exec(GeoNodeExecParams params)

auto return_default = [&]() {		auto return_default = [&]() {
attribute_math::convert_to_static_type(data_type, [&](auto dummy) {		attribute_math::convert_to_static_type(data_type, [&](auto dummy) {
using T = decltype(dummy);		using T = decltype(dummy);
output_attribute_field(params, fn::make_constant_field<T>(T()));		output_attribute_field(params, fn::make_constant_field<T>(T()));
});		});
};		};

/* Since the instances are not used, there is no point in keeping
* a reference to them while the field is passed around. */
geometry.remove(GEO_COMPONENT_TYPE_INSTANCES);

GField output_field;		GField output_field;
switch (mapping) {		switch (mapping) {
case GEO_NODE_ATTRIBUTE_TRANSFER_NEAREST_FACE_INTERPOLATED: {		case GEO_NODE_ATTRIBUTE_TRANSFER_NEAREST_FACE_INTERPOLATED: {
const Mesh *mesh = geometry.get_mesh_for_read();		const Mesh *mesh = geometry.get_mesh_for_read();
if (mesh == nullptr) {		if (mesh == nullptr) {
if (!geometry.is_empty()) {		if (!geometry.is_empty()) {
params.error_message_add(NodeWarningType::Error,		params.error_message_add(NodeWarningType::Error,
TIP_("The target geometry must contain a mesh"));		TIP_("The target geometry must contain a mesh"));
▲ Show 20 Lines • Show All 64 Lines • Show Last 20 Lines