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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 "DNA_node_types.h"
#include "RNA_enum_types.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "node_geometry_util.hh"
extern "C" {
Mesh *triangulate_mesh(Mesh *mesh,
const int quad_method,
const int ngon_method,
const int min_vertices,
const int flag);
}
static bNodeSocketTemplate geo_node_triangulate_in[] = {
{SOCK_GEOMETRY, N_("Geometry")},
{SOCK_INT, N_("Minimum Vertices"), 4, 0, 0, 0, 4, 10000},
{-1, ""},
};
static bNodeSocketTemplate geo_node_triangulate_out[] = {
{SOCK_GEOMETRY, N_("Geometry")},
{-1, ""},
};
static void geo_node_triangulate_layout(uiLayout *layout, bContext *UNUSED(C), PointerRNA *ptr)
{
uiItemR(layout, ptr, "quad_method", 0, "", ICON_NONE);
uiItemR(layout, ptr, "ngon_method", 0, "", ICON_NONE);
}
static void geo_triangulate_init(bNodeTree *UNUSED(ntree), bNode *node)
{
node->custom1 = GEO_NODE_TRIANGULATE_QUAD_SHORTEDGE;
node->custom2 = GEO_NODE_TRIANGULATE_NGON_BEAUTY;
}
namespace blender::nodes {
static void geo_node_triangulate_exec(GeoNodeExecParams params)
{
GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry");
const int min_vertices = std::max(params.extract_input<int>("Minimum Vertices"), 4);
GeometryNodeTriangulateQuads quad_method = static_cast<GeometryNodeTriangulateQuads>(
params.node().custom1);
GeometryNodeTriangulateNGons ngon_method = static_cast<GeometryNodeTriangulateNGons>(
params.node().custom2);
geometry_set = geometry_set_realize_instances(geometry_set);
/* #triangulate_mesh might modify the input mesh currently. */
Mesh *mesh_in = geometry_set.get_mesh_for_write();
if (mesh_in != nullptr) {
Mesh *mesh_out = triangulate_mesh(mesh_in, quad_method, ngon_method, min_vertices, 0);
geometry_set.replace_mesh(mesh_out);
}
params.set_output("Geometry", std::move(geometry_set));
}
} // namespace blender::nodes
void register_node_type_geo_triangulate()
{
static bNodeType ntype;
geo_node_type_base(&ntype, GEO_NODE_TRIANGULATE, "Triangulate", NODE_CLASS_GEOMETRY, 0);
node_type_socket_templates(&ntype, geo_node_triangulate_in, geo_node_triangulate_out);
node_type_init(&ntype, geo_triangulate_init);
ntype.geometry_node_execute = blender::nodes::geo_node_triangulate_exec;
ntype.draw_buttons = geo_node_triangulate_layout;
nodeRegisterType(&ntype);
}
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