mirror of
https://github.com/bulletphysics/bullet3
synced 2024-12-15 06:00:12 +00:00
108 lines
3.4 KiB
C++
108 lines
3.4 KiB
C++
#include "tiny_obj_loader.h"
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#include <cstdio>
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#include <cstdlib>
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#include <cassert>
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#include <iostream>
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static bool
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TestLoadObj(
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const char* fileName,
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bool verbose
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)
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{
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const char* prefix[]={"./data/","../data/","../../data/","../../../data/","../../../../data/"};
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char fullPath[1024];
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int index=-1;
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{
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int numPrefixes = sizeof(prefix)/sizeof(char*);
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for (int i=0;i<numPrefixes;i++)
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{
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sprintf(fullPath,"%s%s",prefix[i],fileName);
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FILE* f;
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f = fopen(fullPath,"r");
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if (f)
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{
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index=i;
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fclose(f);
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break;
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}
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}
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}
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if (index<0)
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{
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printf("file not found %s\n", fileName);
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return false;
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}
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std::cout << "Loading " << fullPath << std::endl;
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std::vector<tinyobj::shape_t> shapes;
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std::string err = tinyobj::LoadObj(shapes, fullPath, prefix[index]);
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if (!err.empty()) {
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std::cerr << err << std::endl;
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return false;
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}
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std::cout << "# of shapes : " << shapes.size() << std::endl;
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if (verbose)
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{
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for (size_t i = 0; i < shapes.size(); i++) {
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printf("shape[%ld].name = %s\n", i, shapes[i].name.c_str());
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printf("shape[%ld].indices: %ld\n", i, shapes[i].mesh.indices.size());
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assert((shapes[i].mesh.indices.size() % 3) == 0);
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for (size_t f = 0; f < shapes[i].mesh.indices.size(); f++) {
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printf(" idx[%ld] = %d\n", f, shapes[i].mesh.indices[f]);
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}
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printf("shape[%ld].vertices: %ld\n", i, shapes[i].mesh.positions.size());
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assert((shapes[i].mesh.positions.size() % 3) == 0);
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for (size_t v = 0; v < shapes[i].mesh.positions.size() / 3; v++) {
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printf(" v[%ld] = (%f, %f, %f)\n", v,
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shapes[i].mesh.positions[3*v+0],
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shapes[i].mesh.positions[3*v+1],
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shapes[i].mesh.positions[3*v+2]);
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}
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printf("shape[%ld].material.name = %s\n", i, shapes[i].material.name.c_str());
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printf(" material.Ka = (%f, %f ,%f)\n", shapes[i].material.ambient[0], shapes[i].material.ambient[1], shapes[i].material.ambient[2]);
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printf(" material.Kd = (%f, %f ,%f)\n", shapes[i].material.diffuse[0], shapes[i].material.diffuse[1], shapes[i].material.diffuse[2]);
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printf(" material.Ks = (%f, %f ,%f)\n", shapes[i].material.specular[0], shapes[i].material.specular[1], shapes[i].material.specular[2]);
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printf(" material.Tr = (%f, %f ,%f)\n", shapes[i].material.transmittance[0], shapes[i].material.transmittance[1], shapes[i].material.transmittance[2]);
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printf(" material.Ke = (%f, %f ,%f)\n", shapes[i].material.emission[0], shapes[i].material.emission[1], shapes[i].material.emission[2]);
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printf(" material.Ns = %f\n", shapes[i].material.shininess);
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printf(" material.map_Ka = %s\n", shapes[i].material.ambient_texname.c_str());
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printf(" material.map_Kd = %s\n", shapes[i].material.diffuse_texname.c_str());
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printf(" material.map_Ks = %s\n", shapes[i].material.specular_texname.c_str());
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printf(" material.map_Ns = %s\n", shapes[i].material.normal_texname.c_str());
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std::map<std::string, std::string>::iterator it(shapes[i].material.unknown_parameter.begin());
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std::map<std::string, std::string>::iterator itEnd(shapes[i].material.unknown_parameter.end());
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for (; it != itEnd; it++) {
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printf(" material.%s = %s\n", it->first.c_str(), it->second.c_str());
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}
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printf("\n");
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}
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}
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return true;
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}
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int main( int argc, char **argv)
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{
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// assert(true == TestLoadObj("cornell_box.obj",true));
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// assert(true == TestLoadObj("cube.obj",true));
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assert(true==TestLoadObj("samurai_monastry.obj",false));
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assert(true==TestLoadObj("teddy2_VHACD_CHs.obj",true));
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return 0;
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}
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