Differential D16858 Diff 58916 source/blender/nodes/geometry/nodes/node_geo_instance_on_points.cc

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source/blender/nodes/geometry/nodes/node_geo_instance_on_points.cc

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#include "node_geometry_util.hh"		#include "node_geometry_util.hh"

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

static void node_declare(NodeDeclarationBuilder &b)		static void node_declare(NodeDeclarationBuilder &b)
{		{
b.add_input<decl::Geometry>(N_("Points")).description(N_("Points to instance on"));		b.add_input<decl::Geometry>(N_("Points")).description(N_("Points to instance on"));
b.add_input<decl::Bool>(N_("Selection")).default_value(true).supports_field().hide_value();		b.add_input<decl::Bool>(N_("Selection")).default_value(true).field_on_auto().hide_value();
b.add_input<decl::Geometry>(N_("Instance"))		b.add_input<decl::Geometry>(N_("Instance"))
.description(N_("Geometry that is instanced on the points"));		.description(N_("Geometry that is instanced on the points"));
b.add_input<decl::Bool>(N_("Pick Instance"))		b.add_input<decl::Bool>(N_("Pick Instance"))
.supports_field()		.field_on_auto()
.description(N_("Choose instances from the \"Instance\" input at each point instead of "		.description(N_("Choose instances from the \"Instance\" input at each point instead of "
"instancing the entire geometry"));		"instancing the entire geometry"));
b.add_input<decl::Int>(N_("Instance Index"))		b.add_input<decl::Int>(N_("Instance Index"))
.implicit_field(implicit_field_inputs::id_or_index)		.implicit_field(implicit_field_inputs::id_or_index)
.description(		.description(
N_("Index of the instance used for each point. This is only used when Pick Instances "		N_("Index of the instance used for each point. This is only used when Pick Instances "
"is on. By default the point index is used"));		"is on. By default the point index is used"));
b.add_input<decl::Vector>(N_("Rotation"))		b.add_input<decl::Vector>(N_("Rotation"))
.subtype(PROP_EULER)		.subtype(PROP_EULER)
.supports_field()		.field_on_auto()
.description(N_("Rotation of the instances"));		.description(N_("Rotation of the instances"));
b.add_input<decl::Vector>(N_("Scale"))		b.add_input<decl::Vector>(N_("Scale"))
.default_value({1.0f, 1.0f, 1.0f})		.default_value({1.0f, 1.0f, 1.0f})
.subtype(PROP_XYZ)		.subtype(PROP_XYZ)
.supports_field()		.field_on_auto()
.description(N_("Scale of the instances"));		.description(N_("Scale of the instances"));

b.add_output<decl::Geometry>(N_("Instances"));		b.add_output<decl::Geometry>(N_("Instances")).propagate_from_auto();
}		}

static void add_instances_from_component(		static void add_instances_from_component(
bke::Instances &dst_component,		bke::Instances &dst_component,
const GeometryComponent &src_component,		const GeometryComponent &src_component,
const GeometrySet &instance,		const GeometrySet &instance,
const GeoNodeExecParams &params,		const GeoNodeExecParams &params,
const Map<AttributeIDRef, AttributeKind> &attributes_to_propagate)		const Map<AttributeIDRef, AttributeKind> &attributes_to_propagate)
▲ Show 20 Lines • Show All 140 Lines • ▼ Show 20 Lines	if (dst_instances == nullptr) {
dst_instances = new bke::Instances();		dst_instances = new bke::Instances();
instances_component.replace(dst_instances);		instances_component.replace(dst_instances);
}		}

const Array<GeometryComponentType> types{		const Array<GeometryComponentType> types{
GEO_COMPONENT_TYPE_MESH, GEO_COMPONENT_TYPE_POINT_CLOUD, GEO_COMPONENT_TYPE_CURVE};		GEO_COMPONENT_TYPE_MESH, GEO_COMPONENT_TYPE_POINT_CLOUD, GEO_COMPONENT_TYPE_CURVE};

Map<AttributeIDRef, AttributeKind> attributes_to_propagate;		Map<AttributeIDRef, AttributeKind> attributes_to_propagate;
geometry_set.gather_attributes_for_propagation(		geometry_set.gather_attributes_for_propagation(types,
types, GEO_COMPONENT_TYPE_INSTANCES, false, attributes_to_propagate);		GEO_COMPONENT_TYPE_INSTANCES,
		false,
		params.get_output_propagation_info("Instances"),
		attributes_to_propagate);
attributes_to_propagate.remove("position");		attributes_to_propagate.remove("position");

for (const GeometryComponentType type : types) {		for (const GeometryComponentType type : types) {
if (geometry_set.has(type)) {		if (geometry_set.has(type)) {
add_instances_from_component(*dst_instances,		add_instances_from_component(*dst_instances,
*geometry_set.get_component_for_read(type),		*geometry_set.get_component_for_read(type),
instance,		instance,
params,		params,
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