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/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "BLI_math_matrix.h"
#include "BKE_geometry_set_instances.hh"
#include "BKE_instances.hh"
#include "UI_interface.h"
#include "UI_resources.h"
#include "node_geometry_util.hh"
namespace blender::nodes::node_geo_object_info_cc {
NODE_STORAGE_FUNCS(NodeGeometryObjectInfo)
static void node_declare(NodeDeclarationBuilder &b)
{
b.add_input<decl::Object>(N_("Object")).hide_label();
b.add_input<decl::Bool>(N_("As Instance"))
.description(N_("Output the entire object as single instance. "
"This allows instancing non-geometry object types"));
b.add_output<decl::Vector>(N_("Location"));
b.add_output<decl::Vector>(N_("Rotation"));
b.add_output<decl::Vector>(N_("Scale"));
b.add_output<decl::Geometry>(N_("Geometry"));
}
static void node_layout(uiLayout *layout, bContext * /*C*/, PointerRNA *ptr)
{
uiItemR(layout, ptr, "transform_space", UI_ITEM_R_EXPAND, nullptr, ICON_NONE);
}
static void node_geo_exec(GeoNodeExecParams params)
{
const NodeGeometryObjectInfo &storage = node_storage(params.node());
const bool transform_space_relative = (storage.transform_space ==
GEO_NODE_TRANSFORM_SPACE_RELATIVE);
Object *object = params.get_input<Object *>("Object");
const Object *self_object = params.self_object();
if (object == nullptr) {
params.set_default_remaining_outputs();
return;
}
const float4x4 &object_matrix = object->object_to_world;
const float4x4 transform = float4x4(self_object->world_to_object) * object_matrix;
if (transform_space_relative) {
params.set_output("Location", transform.translation());
params.set_output("Rotation", transform.to_euler());
params.set_output("Scale", transform.scale());
}
else {
params.set_output("Location", object_matrix.translation());
params.set_output("Rotation", object_matrix.to_euler());
params.set_output("Scale", object_matrix.scale());
}
if (params.output_is_required("Geometry")) {
if (object == self_object) {
params.error_message_add(NodeWarningType::Error,
TIP_("Geometry cannot be retrieved from the modifier object"));
params.set_default_remaining_outputs();
return;
}
GeometrySet geometry_set;
if (params.get_input<bool>("As Instance")) {
std::unique_ptr<bke::Instances> instances = std::make_unique<bke::Instances>();
const int handle = instances->add_reference(*object);
if (transform_space_relative) {
instances->add_instance(handle, transform);
}
else {
instances->add_instance(handle, float4x4::identity());
}
geometry_set = GeometrySet::create_with_instances(instances.release());
}
else {
geometry_set = bke::object_get_evaluated_geometry_set(*object);
if (transform_space_relative) {
transform_geometry_set(params, geometry_set, transform, *params.depsgraph());
}
}
params.set_output("Geometry", geometry_set);
}
}
static void node_node_init(bNodeTree * /*tree*/, bNode *node)
{
NodeGeometryObjectInfo *data = MEM_cnew<NodeGeometryObjectInfo>(__func__);
data->transform_space = GEO_NODE_TRANSFORM_SPACE_ORIGINAL;
node->storage = data;
}
} // namespace blender::nodes::node_geo_object_info_cc
void register_node_type_geo_object_info()
{
namespace file_ns = blender::nodes::node_geo_object_info_cc;
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_OBJECT_INFO, "Object Info", NODE_CLASS_INPUT);
ntype.initfunc = file_ns::node_node_init;
node_type_storage(
&ntype, "NodeGeometryObjectInfo", node_free_standard_storage, node_copy_standard_storage);
ntype.geometry_node_execute = file_ns::node_geo_exec;
ntype.draw_buttons = file_ns::node_layout;
ntype.declare = file_ns::node_declare;
nodeRegisterType(&ntype);
}
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