mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-11-27 22:10:06 +00:00
124 lines
3.7 KiB
C++
124 lines
3.7 KiB
C++
//
|
|
// Copyright 2013 Pixar
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "Apache License")
|
|
// with the following modification; you may not use this file except in
|
|
// compliance with the Apache License and the following modification to it:
|
|
// Section 6. Trademarks. is deleted and replaced with:
|
|
//
|
|
// 6. Trademarks. This License does not grant permission to use the trade
|
|
// names, trademarks, service marks, or product names of the Licensor
|
|
// and its affiliates, except as required to comply with Section 4(c) of
|
|
// the License and to reproduce the content of the NOTICE file.
|
|
//
|
|
// You may obtain a copy of the Apache License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the Apache License with the above modification is
|
|
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
// KIND, either express or implied. See the Apache License for the specific
|
|
// language governing permissions and limitations under the Apache License.
|
|
//
|
|
|
|
#ifndef SHAPE_UTILS_H
|
|
#define SHAPE_UTILS_H
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
#include <map>
|
|
|
|
//------------------------------------------------------------------------------
|
|
enum Scheme {
|
|
kBilinear=0,
|
|
kCatmark,
|
|
kLoop
|
|
};
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
struct Shape {
|
|
// full(er) spec here: http://paulbourke.net/dataformats/mtl/
|
|
struct material {
|
|
|
|
material();
|
|
|
|
std::string name;
|
|
|
|
float ka[3], // ambient
|
|
kd[3], // diffuse
|
|
ks[3], // specular
|
|
ns, // specular exponent
|
|
ni, // optical density (1.0=no refraction, glass=1.5)
|
|
sharpness, // reflection sharpness
|
|
tf[3], // transimission filter
|
|
d; // dissolve factor (1.0 = opaque)
|
|
|
|
int illum;
|
|
};
|
|
|
|
struct tag {
|
|
|
|
static tag * parseTag(char const * stream);
|
|
|
|
std::string genTag() const;
|
|
|
|
std::string name;
|
|
std::vector<int> intargs;
|
|
std::vector<float> floatargs;
|
|
std::vector<std::string> stringargs;
|
|
};
|
|
|
|
static Shape * parseObj(char const * Shapestr, Scheme schme,
|
|
bool isLeftHanded=false, int axis=1, bool parsemtl=false);
|
|
|
|
void parseMtllib(char const * stream);
|
|
|
|
std::string genShape(char const * name) const;
|
|
|
|
std::string genObj() const;
|
|
|
|
std::string genRIB() const;
|
|
|
|
Shape() : scheme(kCatmark), isLeftHanded(false) { }
|
|
|
|
~Shape();
|
|
|
|
int GetNumVertices() const { return (int)verts.size()/3; }
|
|
|
|
int GetNumFaces() const { return (int)nvertsPerFace.size(); }
|
|
|
|
bool HasUV() const { return not (uvs.empty() or faceuvs.empty()); }
|
|
|
|
int GetFVarWidth() const { return HasUV() ? 2 : 0; }
|
|
|
|
std::vector<float> verts;
|
|
std::vector<float> uvs;
|
|
std::vector<float> normals;
|
|
std::vector<int> nvertsPerFace;
|
|
std::vector<int> faceverts;
|
|
std::vector<int> faceuvs;
|
|
std::vector<int> facenormals;
|
|
std::vector<tag *> tags;
|
|
Scheme scheme;
|
|
bool isLeftHanded;
|
|
|
|
char FindMaterial(char const * name) {
|
|
for (int i=0; i<(int)mtls.size(); ++i) {
|
|
if (mtls[i]->name==name) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
std::string mtllib;
|
|
std::vector<unsigned short> mtlbind;
|
|
std::vector<material *> mtls;
|
|
};
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
#endif /* SHAPE_UTILS_H */
|