diff options
Diffstat (limited to 'source/blender/nodes/geometry/nodes/node_geo_triangulate.cc')
-rw-r--r-- | source/blender/nodes/geometry/nodes/node_geo_triangulate.cc | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/source/blender/nodes/geometry/nodes/node_geo_triangulate.cc b/source/blender/nodes/geometry/nodes/node_geo_triangulate.cc new file mode 100644 index 00000000000..cec717e4a61 --- /dev/null +++ b/source/blender/nodes/geometry/nodes/node_geo_triangulate.cc @@ -0,0 +1,79 @@ +/* + * 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 "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_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); + + /* #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", 0, 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; + nodeRegisterType(&ntype); +} |