Differential D16029 Diff 56262 source/blender/nodes/geometry/nodes/node_geo_field_at_index.cc

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source/blender/nodes/geometry/nodes/node_geo_field_at_index.cc

/* SPDX-License-Identifier: GPL-2.0-or-later */		/* SPDX-License-Identifier: GPL-2.0-or-later */

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

#include "UI_interface.h"		#include "UI_interface.h"
#include "UI_resources.h"		#include "UI_resources.h"

#include "BKE_attribute_math.hh"		#include "BKE_attribute_math.hh"

#include "BLI_task.hh"		#include "BLI_task.hh"

#include "NOD_socket_search_link.hh"		#include "NOD_socket_search_link.hh"

		namespace blender::nodes {

		FieldAtIndexInput::FieldAtIndexInput(Field<int> index_field,
		GField value_field,
		eAttrDomain value_field_domain)
		: bke::GeometryFieldInput(value_field.cpp_type(), "Field at Index"),
		index_field_(std::move(index_field)),
		value_field_(std::move(value_field)),
		value_field_domain_(value_field_domain)
		{
		}

		GVArray FieldAtIndexInput::get_varray_for_context(const bke::GeometryFieldContext &context,
		const IndexMask mask) const
		{
		const std::optional<AttributeAccessor> attributes = context.attributes();
		if (!attributes) {
		return {};
		}
		JacquesLuckeUnsubmitted Done Inline Actions Don't do that, because `attributes()` may return none. JacquesLucke: Don't do that, because `attributes()` may return none.
		HooglyBooglyAuthorUnsubmitted Done Inline Actions This is all copied, but I'll fix it here. HooglyBoogly: This is all copied, but I'll fix it here.

		const bke::GeometryFieldContext value_field_context{
		context.geometry(), context.type(), value_field_domain_};
		FieldEvaluator value_evaluator{value_field_context,
		attributes->domain_size(value_field_domain_)};
		value_evaluator.add(value_field_);
		value_evaluator.evaluate();
		const GVArray &values = value_evaluator.get_evaluated(0);

		FieldEvaluator index_evaluator{context, &mask};
		index_evaluator.add(index_field_);
		index_evaluator.evaluate();
		const VArray<int> indices = index_evaluator.get_evaluated<int>(0);

		GVArray output_array;
		attribute_math::convert_to_static_type(*type_, [&](auto dummy) {
		using T = decltype(dummy);
		Array<T> dst_array(mask.min_array_size());
		VArray<T> src_values = values.typed<T>();
		threading::parallel_for(mask.index_range(), 1024, [&](const IndexRange range) {
		for (const int i : mask.slice(range)) {
		const int index = indices[i];
		if (src_values.index_range().contains(index)) {
		dst_array[i] = src_values[index];
		}
		else {
		dst_array[i] = {};
		}
		}
		});
		output_array = VArray<T>::ForContainer(std::move(dst_array));
		});

		return output_array;
		}

		} // namespace blender::nodes

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

static void node_declare(NodeDeclarationBuilder &b)		static void node_declare(NodeDeclarationBuilder &b)
{		{
b.add_input<decl::Int>(N_("Index")).min(0).supports_field();		b.add_input<decl::Int>(N_("Index")).min(0).supports_field();

b.add_input<decl::Float>(N_("Value"), "Value_Float").hide_value().supports_field();		b.add_input<decl::Float>(N_("Value"), "Value_Float").hide_value().supports_field();
b.add_input<decl::Int>(N_("Value"), "Value_Int").hide_value().supports_field();		b.add_input<decl::Int>(N_("Value"), "Value_Int").hide_value().supports_field();
▲ Show 20 Lines • Show All 62 Lines • ▼ Show 20 Lines	if (type && *type != CD_PROP_STRING) {
params.add_item(IFACE_("Value"), [node_type, type](LinkSearchOpParams &params) {		params.add_item(IFACE_("Value"), [node_type, type](LinkSearchOpParams &params) {
bNode &node = params.add_node(node_type);		bNode &node = params.add_node(node_type);
node.custom2 = *type;		node.custom2 = *type;
params.update_and_connect_available_socket(node, "Value");		params.update_and_connect_available_socket(node, "Value");
});		});
}		}
}		}

class FieldAtIndex final : public bke::GeometryFieldInput {
private:
Field<int> index_field_;
GField value_field_;
eAttrDomain value_field_domain_;

public:
FieldAtIndex(Field<int> index_field, GField value_field, eAttrDomain value_field_domain)
: bke::GeometryFieldInput(value_field.cpp_type(), "Field at Index"),
index_field_(std::move(index_field)),
value_field_(std::move(value_field)),
value_field_domain_(value_field_domain)
{
}

GVArray get_varray_for_context(const bke::GeometryFieldContext &context,
const IndexMask mask) const final
{
const bke::GeometryFieldContext value_field_context{
context.geometry(), context.type(), value_field_domain_};
FieldEvaluator value_evaluator{value_field_context,
context.attributes()->domain_size(value_field_domain_)};
value_evaluator.add(value_field_);
value_evaluator.evaluate();
const GVArray &values = value_evaluator.get_evaluated(0);

FieldEvaluator index_evaluator{context, &mask};
index_evaluator.add(index_field_);
index_evaluator.evaluate();
const VArray<int> indices = index_evaluator.get_evaluated<int>(0);

GVArray output_array;
attribute_math::convert_to_static_type(*type_, [&](auto dummy) {
using T = decltype(dummy);
Array<T> dst_array(mask.min_array_size());
VArray<T> src_values = values.typed<T>();
threading::parallel_for(mask.index_range(), 1024, [&](const IndexRange range) {
for (const int i : mask.slice(range)) {
const int index = indices[i];
if (src_values.index_range().contains(index)) {
dst_array[i] = src_values[index];
}
else {
dst_array[i] = {};
}
}
});
output_array = VArray<T>::ForContainer(std::move(dst_array));
});

return output_array;
}

std::optional<eAttrDomain> preferred_domain(
const GeometryComponent & /component/) const override
{
return value_field_domain_;
}
};

static StringRefNull identifier_suffix(eCustomDataType data_type)		static StringRefNull identifier_suffix(eCustomDataType data_type)
{		{
switch (data_type) {		switch (data_type) {
case CD_PROP_BOOL:		case CD_PROP_BOOL:
return "Bool";		return "Bool";
case CD_PROP_FLOAT:		case CD_PROP_FLOAT:
return "Float";		return "Float";
case CD_PROP_INT32:		case CD_PROP_INT32:
Show All 14 Lines	static void node_geo_exec(GeoNodeExecParams params)
const eAttrDomain domain = eAttrDomain(node.custom1);		const eAttrDomain domain = eAttrDomain(node.custom1);
const eCustomDataType data_type = eCustomDataType(node.custom2);		const eCustomDataType data_type = eCustomDataType(node.custom2);

Field<int> index_field = params.extract_input<Field<int>>("Index");		Field<int> index_field = params.extract_input<Field<int>>("Index");
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);
static const std::string identifier = "Value_" + identifier_suffix(data_type);		static const std::string identifier = "Value_" + identifier_suffix(data_type);
Field<T> value_field = params.extract_input<Field<T>>(identifier);		Field<T> value_field = params.extract_input<Field<T>>(identifier);
Field<T> output_field{		Field<T> output_field{std::make_shared<FieldAtIndexInput>(
std::make_shared<FieldAtIndex>(std::move(index_field), std::move(value_field), domain)};		std::move(index_field), std::move(value_field), domain)};
params.set_output(identifier, std::move(output_field));		params.set_output(identifier, std::move(output_field));
});		});
}		}

} // namespace blender::nodes::node_geo_field_at_index_cc		} // namespace blender::nodes::node_geo_field_at_index_cc

void register_node_type_geo_field_at_index()		void register_node_type_geo_field_at_index()
{		{
Show All 13 Lines