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