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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "node_geometry_util.hh"
#include "UI_interface.h"
#include "UI_resources.h"
#include "BKE_attribute_math.hh"
#include "BLI_task.hh"
#include "NOD_socket_search_link.hh"
namespace blender::nodes::node_geo_interpolate_domain_cc {
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Float>(N_("Value"), "Value_Float").supports_field();
b.add_input<decl::Int>(N_("Value"), "Value_Int").supports_field();
b.add_input<decl::Vector>(N_("Value"), "Value_Vector").supports_field();
b.add_input<decl::Color>(N_("Value"), "Value_Color").supports_field();
b.add_input<decl::Bool>(N_("Value"), "Value_Bool").supports_field();
b.add_output<decl::Float>(N_("Value"), "Value_Float").field_source();
b.add_output<decl::Int>(N_("Value"), "Value_Int").field_source();
b.add_output<decl::Vector>(N_("Value"), "Value_Vector").field_source();
b.add_output<decl::Color>(N_("Value"), "Value_Color").field_source();
b.add_output<decl::Bool>(N_("Value"), "Value_Bool").field_source();
}
static void node_layout(uiLayout *layout, bContext * /*C*/, PointerRNA *ptr)
{
uiItemR(layout, ptr, "data_type", 0, "", ICON_NONE);
uiItemR(layout, ptr, "domain", 0, "", ICON_NONE);
}
static void node_init(bNodeTree * /*tree*/, bNode *node)
{
node->custom1 = ATTR_DOMAIN_POINT;
node->custom2 = CD_PROP_FLOAT;
}
static void node_update(bNodeTree *ntree, bNode *node)
{
const eCustomDataType data_type = eCustomDataType(node->custom2);
bNodeSocket *sock_in_float = static_cast<bNodeSocket *>(node->inputs.first);
bNodeSocket *sock_in_int = sock_in_float->next;
bNodeSocket *sock_in_vector = sock_in_int->next;
bNodeSocket *sock_in_color = sock_in_vector->next;
bNodeSocket *sock_in_bool = sock_in_color->next;
bNodeSocket *sock_out_float = static_cast<bNodeSocket *>(node->outputs.first);
bNodeSocket *sock_out_int = sock_out_float->next;
bNodeSocket *sock_out_vector = sock_out_int->next;
bNodeSocket *sock_out_color = sock_out_vector->next;
bNodeSocket *sock_out_bool = sock_out_color->next;
nodeSetSocketAvailability(ntree, sock_in_float, data_type == CD_PROP_FLOAT);
nodeSetSocketAvailability(ntree, sock_in_int, data_type == CD_PROP_INT32);
nodeSetSocketAvailability(ntree, sock_in_vector, data_type == CD_PROP_FLOAT3);
nodeSetSocketAvailability(ntree, sock_in_color, data_type == CD_PROP_COLOR);
nodeSetSocketAvailability(ntree, sock_in_bool, data_type == CD_PROP_BOOL);
nodeSetSocketAvailability(ntree, sock_out_float, data_type == CD_PROP_FLOAT);
nodeSetSocketAvailability(ntree, sock_out_int, data_type == CD_PROP_INT32);
nodeSetSocketAvailability(ntree, sock_out_vector, data_type == CD_PROP_FLOAT3);
nodeSetSocketAvailability(ntree, sock_out_color, data_type == CD_PROP_COLOR);
nodeSetSocketAvailability(ntree, sock_out_bool, data_type == CD_PROP_BOOL);
}
static void node_gather_link_searches(GatherLinkSearchOpParams ¶ms)
{
const bNodeType &node_type = params.node_type();
const std::optional<eCustomDataType> type = node_data_type_to_custom_data_type(
(eNodeSocketDatatype)params.other_socket().type);
if (type && *type != CD_PROP_STRING) {
params.add_item(IFACE_("Value"), [node_type, type](LinkSearchOpParams ¶ms) {
bNode &node = params.add_node(node_type);
node.custom2 = *type;
params.update_and_connect_available_socket(node, "Value");
});
}
}
class InterpolateDomain final : public bke::GeometryFieldInput {
private:
GField src_field_;
eAttrDomain src_domain_;
public:
InterpolateDomain(GField field, eAttrDomain domain)
: bke::GeometryFieldInput(field.cpp_type(), "Interpolate Domain"),
src_field_(std::move(field)),
src_domain_(domain)
{
}
GVArray get_varray_for_context(const bke::GeometryFieldContext &context,
IndexMask /*mask*/) const final
{
const bke::AttributeAccessor attributes = *context.attributes();
const bke::GeometryFieldContext other_domain_context{
context.geometry(), context.type(), src_domain_};
const int64_t src_domain_size = attributes.domain_size(src_domain_);
GArray<> values(src_field_.cpp_type(), src_domain_size);
FieldEvaluator value_evaluator{other_domain_context, src_domain_size};
value_evaluator.add_with_destination(src_field_, values.as_mutable_span());
value_evaluator.evaluate();
return attributes.adapt_domain(
GVArray::ForGArray(std::move(values)), src_domain_, context.domain());
}
std::optional<eAttrDomain> preferred_domain(
const GeometryComponent & /*component*/) const override
{
return src_domain_;
}
};
static StringRefNull identifier_suffix(eCustomDataType data_type)
{
switch (data_type) {
case CD_PROP_BOOL:
return "Bool";
case CD_PROP_FLOAT:
return "Float";
case CD_PROP_INT32:
return "Int";
case CD_PROP_COLOR:
return "Color";
case CD_PROP_FLOAT3:
return "Vector";
default:
BLI_assert_unreachable();
return "";
}
}
static void node_geo_exec(GeoNodeExecParams params)
{
const bNode &node = params.node();
const eAttrDomain domain = eAttrDomain(node.custom1);
const eCustomDataType data_type = eCustomDataType(node.custom2);
attribute_math::convert_to_static_type(data_type, [&](auto dummy) {
using T = decltype(dummy);
static const std::string identifier = "Value_" + identifier_suffix(data_type);
Field<T> src_field = params.extract_input<Field<T>>(identifier);
Field<T> dst_field{std::make_shared<InterpolateDomain>(std::move(src_field), domain)};
params.set_output(identifier, std::move(dst_field));
});
}
} // namespace blender::nodes::node_geo_interpolate_domain_cc
void register_node_type_geo_interpolate_domain()
{
namespace file_ns = blender::nodes::node_geo_interpolate_domain_cc;
static bNodeType ntype;
geo_node_type_base(
&ntype, GEO_NODE_INTERPOLATE_DOMAIN, "Interpolate Domain", NODE_CLASS_CONVERTER);
ntype.geometry_node_execute = file_ns::node_geo_exec;
ntype.declare = file_ns::node_declare;
ntype.draw_buttons = file_ns::node_layout;
ntype.initfunc = file_ns::node_init;
ntype.updatefunc = file_ns::node_update;
ntype.gather_link_search_ops = file_ns::node_gather_link_searches;
nodeRegisterType(&ntype);
}
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