diff options
Diffstat (limited to 'source/blender/nodes/geometry/nodes/node_geo_edge_split.cc')
-rw-r--r-- | source/blender/nodes/geometry/nodes/node_geo_edge_split.cc | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/source/blender/nodes/geometry/nodes/node_geo_edge_split.cc b/source/blender/nodes/geometry/nodes/node_geo_edge_split.cc new file mode 100644 index 00000000000..22e75b3fe03 --- /dev/null +++ b/source/blender/nodes/geometry/nodes/node_geo_edge_split.cc @@ -0,0 +1,96 @@ +/* + * 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 "BLI_math_base.h" +#include "BLI_math_rotation.h" + +#include "DNA_modifier_types.h" + +#include "node_geometry_util.hh" + +extern "C" { +Mesh *doEdgeSplit(const Mesh *mesh, EdgeSplitModifierData *emd); +} + +static bNodeSocketTemplate geo_node_edge_split_in[] = { + {SOCK_GEOMETRY, N_("Geometry")}, + {SOCK_BOOLEAN, N_("Edge Angle"), true}, + {SOCK_FLOAT, + N_("Angle"), + DEG2RADF(30.0f), + 0.0f, + 0.0f, + 0.0f, + 0.0f, + DEG2RADF(180.0f), + PROP_ANGLE}, + {SOCK_BOOLEAN, N_("Sharp Edges")}, + {-1, ""}, +}; + +static bNodeSocketTemplate geo_node_edge_split_out[] = { + {SOCK_GEOMETRY, N_("Geometry")}, + {-1, ""}, +}; + +namespace blender::nodes { +static void geo_node_edge_split_exec(GeoNodeExecParams params) +{ + GeometrySet geometry_set = params.extract_input<GeometrySet>("Geometry"); + + if (!geometry_set.has_mesh()) { + params.set_output("Geometry", std::move(geometry_set)); + return; + } + + const bool use_sharp_flag = params.extract_input<bool>("Sharp Edges"); + const bool use_edge_angle = params.extract_input<bool>("Edge Angle"); + + if (!use_edge_angle && !use_sharp_flag) { + params.set_output("Geometry", std::move(geometry_set)); + return; + } + + const float split_angle = params.extract_input<float>("Angle"); + const Mesh *mesh_in = geometry_set.get_mesh_for_read(); + + /* Use modifier struct to pass arguments to the modifier code. */ + EdgeSplitModifierData emd; + memset(&emd, 0, sizeof(EdgeSplitModifierData)); + emd.split_angle = split_angle; + if (use_edge_angle) { + emd.flags = MOD_EDGESPLIT_FROMANGLE; + } + if (use_sharp_flag) { + emd.flags |= MOD_EDGESPLIT_FROMFLAG; + } + + Mesh *mesh_out = doEdgeSplit(mesh_in, &emd); + geometry_set.replace_mesh(mesh_out); + + params.set_output("Geometry", std::move(geometry_set)); +} +} // namespace blender::nodes + +void register_node_type_geo_edge_split() +{ + static bNodeType ntype; + + geo_node_type_base(&ntype, GEO_NODE_EDGE_SPLIT, "Edge Split", 0, 0); + node_type_socket_templates(&ntype, geo_node_edge_split_in, geo_node_edge_split_out); + ntype.geometry_node_execute = blender::nodes::geo_node_edge_split_exec; + nodeRegisterType(&ntype); +} |