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#define VOXELIZER_IMPLEMENTATION
#include "voxelizer.h"
#define TINYOBJLOADER_IMPLEMENTATION
#include "../../tiny_obj_loader.h"
bool Voxelize(const char* filename, float voxelsizex, float voxelsizey, float voxelsizez, float precision)
{
tinyobj::attrib_t attrib;
std::vector<tinyobj::shape_t> shapes;
std::vector<tinyobj::material_t> materials;
std::string err;
bool ret = tinyobj::LoadObj(&attrib, &shapes, &materials, &err, filename);
if (!err.empty()) {
printf("err: %s\n", err.c_str());
}
if (!ret) {
printf("failed to load : %s\n", filename);
return false;
}
if (shapes.size() == 0) {
printf("err: # of shapes are zero.\n");
return false;
}
// Only use first shape.
{
vx_mesh_t* mesh;
vx_mesh_t* result;
mesh = vx_mesh_alloc(attrib.vertices.size(), shapes[0].mesh.indices.size());
for (size_t f = 0; f < shapes[0].mesh.indices.size(); f++) {
mesh->indices[f] = shapes[0].mesh.indices[f].vertex_index;
}
for (size_t v = 0; v < attrib.vertices.size() / 3; v++) {
mesh->vertices[v].x = attrib.vertices[3*v+0];
mesh->vertices[v].y = attrib.vertices[3*v+1];
mesh->vertices[v].z = attrib.vertices[3*v+2];
}
result = vx_voxelize(mesh, voxelsizex, voxelsizey, voxelsizez, precision);
printf("Number of vertices: %ld\n", result->nvertices);
printf("Number of indices: %ld\n", result->nindices);
}
return true;
}
int
main(
int argc,
char** argv)
{
if (argc < 4) {
printf("Usage: voxelize input.obj voxelsizex voxelsizey voxelsizez precision\n");
exit(-1);
}
const char* filename = argv[1];
float voxelsizex = atof(argv[2]);
float voxelsizey = atof(argv[3]);
float voxelsizez = atof(argv[4]);
float prec = atof(argv[5]);
bool ret = Voxelize(filename, voxelsizex, voxelsizey, voxelsizez, prec);
return ret ? EXIT_SUCCESS : EXIT_FAILURE;
}
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