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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "BKE_mesh.h"
#include "BLI_math_matrix.h"
#include "node_geometry_util.hh"
static bNodeSocketTemplate geo_node_transform_in[] = {
{SOCK_GEOMETRY, N_("Geometry")},
{SOCK_VECTOR, N_("Translation"), 0.0f, 0.0f, 0.0f, 1.0f, -FLT_MAX, FLT_MAX, PROP_TRANSLATION},
{SOCK_VECTOR, N_("Rotation"), 0.0f, 0.0f, 0.0f, 1.0f, -FLT_MAX, FLT_MAX, PROP_EULER},
{SOCK_VECTOR, N_("Scale"), 1.0f, 1.0f, 1.0f, 1.0f, -FLT_MAX, FLT_MAX, PROP_XYZ},
{-1, ""},
};
static bNodeSocketTemplate geo_node_transform_out[] = {
{SOCK_GEOMETRY, N_("Geometry")},
{-1, ""},
};
namespace blender::nodes {
static void geo_transform_exec(bNode *UNUSED(node), GValueByName &inputs, GValueByName &outputs)
{
GeometryPtr geometry_in = inputs.extract<GeometryPtr>("Geometry");
GeometryPtr geometry_out;
if (!geometry_in.has_value()) {
outputs.move_in("Geometry", std::move(geometry_out));
return;
}
Mesh *mesh_in = geometry_in->mesh_get_for_read();
if (mesh_in == nullptr) {
outputs.move_in("Geometry", std::move(geometry_out));
return;
}
const float3 translation = inputs.extract<float3>("Translation");
const float3 rotation = inputs.extract<float3>("Rotation");
const float3 scale = inputs.extract<float3>("Scale");
geometry_out = GeometryPtr{new Geometry()};
Mesh *mesh_out = BKE_mesh_copy_for_eval(mesh_in, false);
/* Use only translation if rotation and scale are zero. */
if (translation.length() > 0.0f && rotation.length() == 0.0f && scale.length() == 0.0f) {
BKE_mesh_translate(mesh_out, translation, true);
}
else {
float mat[4][4];
loc_eul_size_to_mat4(mat, translation, rotation, scale);
BKE_mesh_transform(mesh_out, mat, true);
}
geometry_out->mesh_set_and_transfer_ownership(mesh_out);
outputs.move_in("Geometry", std::move(geometry_out));
}
} // namespace blender::nodes
void register_node_type_geo_transform()
{
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_TRANSFORM, "Transform", 0, 0);
node_type_socket_templates(&ntype, geo_node_transform_in, geo_node_transform_out);
ntype.geometry_node_execute = blender::nodes::geo_transform_exec;
nodeRegisterType(&ntype);
}
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