GeezerVison is showing github.com — tinyobjloader/python/bindings.cc at master · SCUTJoeham/tinyobjloader

Expand file tree

bindings.cc

Copy path

More file actions

Latest commit

History

133 lines (115 loc) · 5.16 KB

bindings.cc

Copy path

File metadata and controls

133 lines (115 loc) · 5.16 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

#include "pybind11/pybind11.h"

#include "pybind11/stl.h"

#include "pybind11/numpy.h"

#include <cstring>

// Use double precision for better python integration.

#define TINYOBJLOADER_USE_DOUBLE

// define some helper functions for pybind11

#define TINY_OBJ_LOADER_PYTHON_BINDING

#include "tiny_obj_loader.h"

namespace py = pybind11;

using namespace tinyobj;

PYBIND11_MODULE(tinyobjloader, tobj_module)

{

tobj_module.doc() = "Python bindings for TinyObjLoader.";

// register struct

py::class_<ObjReaderConfig>(tobj_module, "ObjReaderConfig")

.def(py::init<>())

.def_readwrite("triangulate", &ObjReaderConfig::triangulate);

// py::init<>() for default constructor

py::class_<ObjReader>(tobj_module, "ObjReader")

.def(py::init<>())

.def("ParseFromFile", &ObjReader::ParseFromFile, py::arg("filename"), py::arg("option") = ObjReaderConfig())

.def("ParseFromString", &ObjReader::ParseFromString, py::arg("obj_text"), py::arg("mtl_text"), py::arg("option") = ObjReaderConfig())

.def("Valid", &ObjReader::Valid)

.def("GetAttrib", &ObjReader::GetAttrib)

.def("GetShapes", &ObjReader::GetShapes)

.def("GetMaterials", &ObjReader::GetMaterials)

.def("Warning", &ObjReader::Warning)

.def("Error", &ObjReader::Error);

py::class_<attrib_t>(tobj_module, "attrib_t")

.def(py::init<>())

.def_readonly("vertices", &attrib_t::vertices)

.def_readonly("normals", &attrib_t::normals)

.def_readonly("texcoords", &attrib_t::texcoords)

.def_readonly("colors", &attrib_t::colors)

;

py::class_<shape_t>(tobj_module, "shape_t")

.def(py::init<>())

.def_readwrite("name", &shape_t::name)

.def_readwrite("mesh", &shape_t::mesh)

.def_readwrite("lines", &shape_t::lines)

.def_readwrite("points", &shape_t::points);

py::class_<index_t>(tobj_module, "index_t")

.def(py::init<>())

.def_readwrite("vertex_index", &index_t::vertex_index)

.def_readwrite("normal_index", &index_t::normal_index)

.def_readwrite("texcoord_index", &index_t::texcoord_index)

;

// NOTE(syoyo): It looks it is rather difficult to expose assignment by array index to

// python world for array variable.

// For example following python scripting does not work well.

// print(mat.diffuse)

// >>> [0.1, 0.2, 0.3]

// mat.diffuse[1] = 1.0

// print(mat.diffuse)

// >>> [0.1, 0.2, 0.3] # No modification

// https://github.com/pybind/pybind11/issues/1134

// so, we need to update array variable like this:

// diffuse = mat.diffuse

// diffuse[1] = 1.0

// mat.diffuse = diffuse

py::class_<material_t>(tobj_module, "material_t")

.def(py::init<>())

.def_readwrite("name", &material_t::name)

.def_property("ambient", &material_t::GetAmbient, &material_t::SetAmbient)

.def_property("diffuse", &material_t::GetDiffuse, &material_t::SetDiffuse)

.def_property("specular", &material_t::GetSpecular, &material_t::SetSpecular)

.def_property("transmittance", &material_t::GetTransmittance, &material_t::SetTransmittance)

.def_readwrite("shininess", &material_t::shininess)

.def_readwrite("ior", &material_t::ior)

.def_readwrite("dissolve", &material_t::dissolve)

.def_readwrite("illum", &material_t::illum)

.def_readwrite("ambient_texname", &material_t::ambient_texname)

.def_readwrite("diffuse_texname", &material_t::diffuse_texname)

.def_readwrite("specular_texname", &material_t::specular_texname)

.def_readwrite("specular_highlight_texname", &material_t::specular_highlight_texname)

.def_readwrite("bump_texname", &material_t::bump_texname)

.def_readwrite("displacement_texname", &material_t::displacement_texname)

.def_readwrite("alpha_texname", &material_t::alpha_texname)

.def_readwrite("reflection_texname", &material_t::reflection_texname)

// TODO(syoyo): Expose texture parameter

// PBR

.def_readwrite("roughness", &material_t::roughness)

.def_readwrite("metallic", &material_t::metallic)

.def_readwrite("sheen", &material_t::sheen)

.def_readwrite("clearcoat_thickness", &material_t::clearcoat_thickness)

.def_readwrite("clearcoat_roughness", &material_t::clearcoat_roughness)

.def_readwrite("anisotropy", &material_t::anisotropy)

.def_readwrite("anisotropy_rotation", &material_t::anisotropy_rotation)

.def_readwrite("roughness_texname", &material_t::roughness_texname)

.def_readwrite("metallic_texname", &material_t::metallic_texname)

.def_readwrite("sheen_texname", &material_t::sheen_texname)

.def_readwrite("emissive_texname", &material_t::emissive_texname)

.def_readwrite("normal_texname", &material_t::normal_texname)

.def("GetCustomParameter", &material_t::GetCustomParameter)

;

py::class_<mesh_t>(tobj_module, "mesh_t")

.def(py::init<>())

.def_readonly("indices", &mesh_t::indices)

.def("numpy_indices", [] (mesh_t &instance) {

auto ret = py::array_t<int>(instance.indices.size() * 3);

py::buffer_info buf = ret.request();

memcpy(buf.ptr, instance.indices.data(), instance.indices.size() * 3 * sizeof(int));

return ret;

});

py::class_<lines_t>(tobj_module, "lines_t")

.def(py::init<>());

py::class_<points_t>(tobj_module, "points_t")

.def(py::init<>());

}