caojiawei
/
BambuStudio
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
BambuStudio/libslic3r/Format/objparser.cpp

866 lines
26 KiB
C++
Raw Blame History

#include <stdlib.h>
#include <string.h>
#include <boost/log/trivial.hpp>
#include <boost/nowide/cstdio.hpp>
#include "objparser.hpp"
#include "libslic3r/LocalesUtils.hpp"
namespace ObjParser {
#define EATWS() while (*line == ' ' || *line == '\t') ++line
static bool obj_parseline(const char *line, ObjData &data)
{
if (*line == 0)
return true;
assert(Slic3r::is_decimal_separator_point());
// Ignore whitespaces at the beginning of the line.
//FIXME is this a good idea?
EATWS();
char c1 = *line ++;
switch (c1) {
case '#':
// Comment, ignore the rest of the line.
break;
case 'v':
{
// Parse vertex geometry (position, normal, texture coordinates)
char c2 = *line ++;
switch (c2) {
case 't':
{
// vt - vertex texture parameter
// u v [w], w == 0 (or w == 1)
char c2 = *line ++;
if (c2 != ' ' && c2 != '\t')
return false;
EATWS();
char *endptr = 0;
double u = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t'))
return false;
line = endptr;
EATWS();
double v = 0;
if (*line != 0) {
v = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0))
return false;
line = endptr;
EATWS();
}
/*double w = 0;
if (*line != 0) {
w = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0))
return false;
line = endptr;
EATWS();
}*/
if (*line != 0)
return false;
data.textureCoordinates.push_back((float)u);
data.textureCoordinates.push_back((float)v);
//data.textureCoordinates.push_back((float)w);
break;
}
case 'n':
{
// vn - vertex normal
// x y z
char c2 = *line ++;
if (c2 != ' ' && c2 != '\t')
return false;
EATWS();
char *endptr = 0;
double x = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t'))
return false;
line = endptr;
EATWS();
double y = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t'))
return false;
line = endptr;
EATWS();
double z = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0))
return false;
line = endptr;
EATWS();
if (*line != 0)
return false;
data.normals.push_back((float)x);
data.normals.push_back((float)y);
data.normals.push_back((float)z);
break;
}
case 'p':
{
// vp - vertex parameter
char c2 = *line ++;
if (c2 != ' ' && c2 != '\t')
return false;
EATWS();
char *endptr = 0;
double u = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0))
return false;
line = endptr;
EATWS();
double v = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0))
return false;
line = endptr;
EATWS();
double w = 0;
if (*line != 0) {
w = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0))
return false;
line = endptr;
EATWS();
}
if (*line != 0)
return false;
data.parameters.push_back((float)u);
data.parameters.push_back((float)v);
data.parameters.push_back((float)w);
break;
}
default:
{
// v - vertex geometry
if (c2 != ' ' && c2 != '\t')
return false;
EATWS();
char *endptr = 0;
double x = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t'))
return false;
line = endptr;
EATWS();
double y = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t'))
return false;
line = endptr;
EATWS();
double z = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0))
return false;
line = endptr;
EATWS();
double color_x = 0.0, color_y = 0.0, color_z = 0.0, color_w = 0.0;//undefine color
if (*line != 0) {
if (!data.has_vertex_color) {
data.has_vertex_color = true;
}
color_x = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0))
return false;
line = endptr;
EATWS();
color_y = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0))
return false;
line = endptr;
EATWS();
color_z = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0))
return false;
line = endptr;
EATWS();
color_w = 1.0;//default define alpha = 1.0
if (*line != 0) {
color_w = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0)) return false;
line = endptr;
EATWS();
}
}
// the following check is commented out because there may be obj files containing extra data, as those generated by Meshlab,
// see https://dev.prusa3d.com/browse/SPE-1019 for an example,
// and this would lead to a crash because no vertex would be stored
// if (*line != 0)
// return false;
data.coordinates.push_back((float)x);
data.coordinates.push_back((float)y);
data.coordinates.push_back((float)z);
data.coordinates.push_back((float) color_x);
data.coordinates.push_back((float) color_y);
data.coordinates.push_back((float) color_z);
data.coordinates.push_back((float) color_w);
break;
}
}
break;
}
case 'f':
{
// face
EATWS();
if (*line == 0)
return false;
// current vertex to be parsed
ObjVertex vertex;
char *endptr = 0;
while (*line != 0) {
// Parse a single vertex reference.
vertex.coordIdx = 0;
vertex.normalIdx = 0;
vertex.textureCoordIdx = 0;
vertex.coordIdx = strtol(line, &endptr, 10);
// Coordinate has to be defined
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != '/' && *endptr != 0))
return false;
line = endptr;
if (*line == '/') {
++ line;
// Texture coordinate index may be missing after a 1st slash, but then the normal index has to be present.
if (*line != '/') {
// Parse the texture coordinate index.
vertex.textureCoordIdx = strtol(line, &endptr, 10);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != '/' && *endptr != 0))
return false;
line = endptr;
}
if (*line == '/') {
// Parse normal index.
++ line;
vertex.normalIdx = strtol(line, &endptr, 10);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0))
return false;
line = endptr;
}
}
if (vertex.coordIdx < 0)
vertex.coordIdx += (int) data.coordinates.size() / OBJ_VERTEX_LENGTH;
else
-- vertex.coordIdx;
if (vertex.normalIdx < 0)
vertex.normalIdx += (int)data.normals.size() / 3;
else
-- vertex.normalIdx;
if (vertex.textureCoordIdx < 0)
vertex.textureCoordIdx += (int)data.textureCoordinates.size() / 3;
else
-- vertex.textureCoordIdx;
data.vertices.push_back(vertex);
EATWS();
}
if (data.usemtls.size() > 0) {
data.usemtls.back().vertexIdxEnd = (int) data.vertices.size();
}
if (data.usemtls.size() > 0) {
int face_index_count = 0;
for (int i = data.vertices.size() - 1; i >= 0; i--) {
if (data.vertices[i].coordIdx == -1) {
break;
}
face_index_count++;
}
if (face_index_count == 3) {//tri
data.usemtls.back().face_end++;
} else if (face_index_count == 4) {//quad
data.usemtls.back().face_end++;
data.usemtls.back().face_end++;
}
}
vertex.coordIdx = -1;
vertex.normalIdx = -1;
vertex.textureCoordIdx = -1;
data.vertices.push_back(vertex);
break;
}
case 'm':
{
if (*(line ++) != 't' ||
*(line ++) != 'l' ||
*(line ++) != 'l' ||
*(line ++) != 'i' ||
*(line ++) != 'b')
return false;
// mtllib [external .mtl file name]
// printf("mtllib %s\r\n", line);
EATWS();
data.mtllibs.push_back(std::string(line));
break;
}
case 'u':
{
if (*(line ++) != 's' ||
*(line ++) != 'e' ||
*(line ++) != 'm' ||
*(line ++) != 't' ||
*(line ++) != 'l')
return false;
// usemtl [material name]
// printf("usemtl %s\r\n", line);
EATWS();
if (data.usemtls.size()>0) {
data.usemtls.back().vertexIdxEnd = (int) data.vertices.size();
}
ObjUseMtl usemtl;
usemtl.vertexIdxFirst = (int)data.vertices.size();
usemtl.name = line;
data.usemtls.push_back(usemtl);
if (data.usemtls.size() == 1) {
data.usemtls.back().face_start = 0;
}
else {//>=2
auto count = data.usemtls.size();
auto& last_usemtl = data.usemtls[count-1];
auto& last_last_usemtl = data.usemtls[count - 2];
last_usemtl.face_start = last_last_usemtl.face_end + 1;
}
data.usemtls.back().face_end = data.usemtls.back().face_start - 1;
break;
}
case 'o':
{
// o [object name]
EATWS();
while (*line != ' ' && *line != '\t' && *line != 0)
++ line;
// copy name to line.
EATWS();
if (*line != 0)
return false;
ObjObject object;
object.vertexIdxFirst = (int)data.vertices.size();
object.name = line;
data.objects.push_back(object);
break;
}
case 'g':
{
// g [group name]
// printf("group %s\r\n", line);
ObjGroup group;
group.vertexIdxFirst = (int)data.vertices.size();
group.name = line;
data.groups.push_back(group);
break;
}
case 's':
{
// s 1 / off
char c2 = *line ++;
if (c2 != ' ' && c2 != '\t')
return false;
EATWS();
char *endptr = 0;
long g = strtol(line, &endptr, 10);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0))
return false;
line = endptr;
EATWS();
if (*line != 0)
return false;
ObjSmoothingGroup group;
group.vertexIdxFirst = (int)data.vertices.size();
group.smoothingGroupID = g;
data.smoothingGroups.push_back(group);
break;
}
default:
BOOST_LOG_TRIVIAL(error) << "ObjParser: Unknown command: " << c1;
break;
}
return true;
}
static std::string cur_mtl_name = "";
static bool mtl_parseline(const char *line, MtlData &data)
{
if (*line == 0) return true;
assert(Slic3r::is_decimal_separator_point());
// Ignore whitespaces at the beginning of the line.
// FIXME is this a good idea?
EATWS();
char c1 = *line++;
switch (c1) {
case '#': {// Comment, ignore the rest of the line.
break;
}
case 'n': {
if (*(line++) != 'e' || *(line++) != 'w' || *(line++) != 'm' || *(line++) != 't' || *(line++) != 'l')
return false;
EATWS();
ObjNewMtl new_mtl;
cur_mtl_name = line;
data.new_mtl_unmap[cur_mtl_name] = std::make_shared<ObjNewMtl>();
break;
}
case 'm': {
if (*(line++) != 'a' || *(line++) != 'p' || *(line++) != '_' || *(line++) != 'K' || *(line++) != 'd') return false;
EATWS();
if (data.new_mtl_unmap.find(cur_mtl_name) != data.new_mtl_unmap.end()) {
data.new_mtl_unmap[cur_mtl_name]->map_Kd = line;
}
break;
}
case 'N': {
char cur_char = *(line++);
if (cur_char == 's') {
EATWS();
char * endptr = 0;
double ns = strtod(line, &endptr);
if (data.new_mtl_unmap.find(cur_mtl_name) != data.new_mtl_unmap.end()) {
data.new_mtl_unmap[cur_mtl_name]->Ns = (float) ns;
}
} else if (cur_char == 'i') {
EATWS();
char * endptr = 0;
double ni = strtod(line, &endptr);
if (data.new_mtl_unmap.find(cur_mtl_name) != data.new_mtl_unmap.end()) {
data.new_mtl_unmap[cur_mtl_name]->Ni = (float) ni;
}
}
break;
}
case 'K': {
char cur_char = *(line++);
if (cur_char == 'a') {
EATWS();
char * endptr = 0;
double x = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t')) return false;
line = endptr;
EATWS();
double y = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t')) return false;
line = endptr;
EATWS();
double z = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0)) return false;
line = endptr;
EATWS();
if (data.new_mtl_unmap.find(cur_mtl_name) != data.new_mtl_unmap.end()) {
data.new_mtl_unmap[cur_mtl_name]->Ka[0] = x;
data.new_mtl_unmap[cur_mtl_name]->Ka[1] = y;
data.new_mtl_unmap[cur_mtl_name]->Ka[2] = z;
}
} else if (cur_char == 'd') {
EATWS();
char * endptr = 0;
double x = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t')) return false;
line = endptr;
EATWS();
double y = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t')) return false;
line = endptr;
EATWS();
double z = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0)) return false;
line = endptr;
EATWS();
if (data.new_mtl_unmap.find(cur_mtl_name) != data.new_mtl_unmap.end()) {
data.new_mtl_unmap[cur_mtl_name]->Kd[0] = x;
data.new_mtl_unmap[cur_mtl_name]->Kd[1] = y;
data.new_mtl_unmap[cur_mtl_name]->Kd[2] = z;
}
} else if (cur_char == 's') {
EATWS();
char * endptr = 0;
double x = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t')) return false;
line = endptr;
EATWS();
double y = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t')) return false;
line = endptr;
EATWS();
double z = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0)) return false;
line = endptr;
EATWS();
if (data.new_mtl_unmap.find(cur_mtl_name) != data.new_mtl_unmap.end()) {
data.new_mtl_unmap[cur_mtl_name]->Ks[0] = x;
data.new_mtl_unmap[cur_mtl_name]->Ks[1] = y;
data.new_mtl_unmap[cur_mtl_name]->Ks[2] = z;
}
} else if (cur_char == 'e') {
EATWS();
char * endptr = 0;
double x = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t')) return false;
line = endptr;
EATWS();
double y = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t')) return false;
line = endptr;
EATWS();
double z = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0)) return false;
line = endptr;
EATWS();
if (data.new_mtl_unmap.find(cur_mtl_name) != data.new_mtl_unmap.end()) {
data.new_mtl_unmap[cur_mtl_name]->Ke[0] = x;
data.new_mtl_unmap[cur_mtl_name]->Ke[1] = y;
data.new_mtl_unmap[cur_mtl_name]->Ke[2] = z;
}
}
break;
}
case 'i': {
if (*(line++) != 'l' || *(line++) != 'l' || *(line++) != 'u' || *(line++) != 'm')
return false;
EATWS();
char * endptr = 0;
double illum = strtod(line, &endptr);
if (data.new_mtl_unmap.find(cur_mtl_name) != data.new_mtl_unmap.end()) {
data.new_mtl_unmap[cur_mtl_name]->illum = (float) illum;
}
break;
}
case 'd': {
EATWS();
char * endptr = 0;
double d = strtod(line, &endptr);
if (data.new_mtl_unmap.find(cur_mtl_name) != data.new_mtl_unmap.end()) {
data.new_mtl_unmap[cur_mtl_name]->d = (float) d;
}
break;
}
case 'T': {
char cur_char = *(line++);
if (cur_char == 'r') {
EATWS();
char * endptr = 0;
double tr = strtod(line, &endptr);
if (data.new_mtl_unmap.find(cur_mtl_name) != data.new_mtl_unmap.end()) {
data.new_mtl_unmap[cur_mtl_name]->Tr = (float) tr;
}
break;
} else if (cur_char == 'f') {
EATWS();
char * endptr = 0;
double x = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t')) return false;
line = endptr;
EATWS();
double y = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t')) return false;
line = endptr;
EATWS();
double z = strtod(line, &endptr);
if (endptr == 0 || (*endptr != ' ' && *endptr != '\t' && *endptr != 0)) return false;
line = endptr;
EATWS();
if (data.new_mtl_unmap.find(cur_mtl_name) != data.new_mtl_unmap.end()) {
data.new_mtl_unmap[cur_mtl_name]->Tf[0] = x;
data.new_mtl_unmap[cur_mtl_name]->Tf[1] = y;
data.new_mtl_unmap[cur_mtl_name]->Tf[2] = z;
}
break;
}
}
}
return true;
}
bool objparse(const char *path, ObjData &data)
{
Slic3r::CNumericLocalesSetter locales_setter;
FILE *pFile = boost::nowide::fopen(path, "rt");
if (pFile == 0)
return false;
try {
char buf[65536 * 2];
size_t len = 0;
size_t lenPrev = 0;
while ((len = ::fread(buf + lenPrev, 1, 65536, pFile)) != 0) {
len += lenPrev;
size_t lastLine = 0;
for (size_t i = 0; i < len; ++ i)
if (buf[i] == '\r' || buf[i] == '\n') {
buf[i] = 0;
char *c = buf + lastLine;
while (*c == ' ' || *c == '\t')
++ c;
//FIXME check the return value and exit on error?
// Will it break parsing of some obj files?
obj_parseline(c, data);
lastLine = i + 1;
}
lenPrev = len - lastLine;
if (lenPrev > 65536) {
BOOST_LOG_TRIVIAL(error) << "ObjParser: Excessive line length";
::fclose(pFile);
return false;
}
memmove(buf, buf + lastLine, lenPrev);
}
}
catch (std::bad_alloc&) {
BOOST_LOG_TRIVIAL(error) << "ObjParser: Out of memory";
}
::fclose(pFile);
return true;
}
bool mtlparse(const char *path, MtlData &data)
{
Slic3r::CNumericLocalesSetter locales_setter;
FILE *pFile = boost::nowide::fopen(path, "rt");
if (pFile == 0) return false;
cur_mtl_name = "";
try {
char buf[65536 * 2];
size_t len = 0;
size_t lenPrev = 0;
while ((len = ::fread(buf + lenPrev, 1, 65536, pFile)) != 0) {
len += lenPrev;
size_t lastLine = 0;
for (size_t i = 0; i < len; ++i)
if (buf[i] == '\r' || buf[i] == '\n') {
buf[i] = 0;
char *c = buf + lastLine;
while (*c == ' ' || *c == '\t') ++c;
// FIXME check the return value and exit on error?
// Will it break parsing of some obj files?
mtl_parseline(c, data);
lastLine = i + 1;
}
lenPrev = len - lastLine;
if (lenPrev > 65536) {
BOOST_LOG_TRIVIAL(error) << "MtlParser: Excessive line length";
::fclose(pFile);
return false;
}
memmove(buf, buf + lastLine, lenPrev);
}
} catch (std::bad_alloc &) {
BOOST_LOG_TRIVIAL(error) << "MtlParser: Out of memory";
}
::fclose(pFile);
return true;
}
bool objparse(std::istream &stream, ObjData &data)
{
Slic3r::CNumericLocalesSetter locales_setter;
try {
char buf[65536 * 2];
size_t len = 0;
size_t lenPrev = 0;
while ((len = size_t(stream.read(buf + lenPrev, 65536).gcount())) != 0) {
len += lenPrev;
size_t lastLine = 0;
for (size_t i = 0; i < len; ++ i)
if (buf[i] == '\r' || buf[i] == '\n') {
buf[i] = 0;
char *c = buf + lastLine;
while (*c == ' ' || *c == '\t')
++ c;
obj_parseline(c, data);
lastLine = i + 1;
}
lenPrev = len - lastLine;
memmove(buf, buf + lastLine, lenPrev);
}
}
catch (std::bad_alloc&) {
BOOST_LOG_TRIVIAL(error) << "ObjParser: Out of memory";
return false;
}
return true;
}
template<typename T>
bool savevector(FILE *pFile, const std::vector<T> &v)
{
size_t cnt = v.size();
::fwrite(&cnt, 1, sizeof(cnt), pFile);
//FIXME sizeof(T) works for data types leaving no gaps in the allocated vector because of alignment of the T type.
if (! v.empty())
::fwrite(&v.front(), 1, sizeof(T) * cnt, pFile);
return true;
}
bool savevector(FILE *pFile, const std::vector<std::string> &v)
{
size_t cnt = v.size();
::fwrite(&cnt, 1, sizeof(cnt), pFile);
for (size_t i = 0; i < cnt; ++ i) {
size_t len = v[i].size();
::fwrite(&len, 1, sizeof(cnt), pFile);
::fwrite(v[i].c_str(), 1, len, pFile);
}
return true;
}
template<typename T>
bool savevectornameidx(FILE *pFile, const std::vector<T> &v)
{
size_t cnt = v.size();
::fwrite(&cnt, 1, sizeof(cnt), pFile);
for (size_t i = 0; i < cnt; ++ i) {
::fwrite(&v[i].vertexIdxFirst, 1, sizeof(int), pFile);
size_t len = v[i].name.size();
::fwrite(&len, 1, sizeof(cnt), pFile);
::fwrite(v[i].name.c_str(), 1, len, pFile);
}
return true;
}
template<typename T>
bool loadvector(FILE *pFile, std::vector<T> &v)
{
v.clear();
size_t cnt = 0;
if (::fread(&cnt, sizeof(cnt), 1, pFile) != 1)
return false;
//FIXME sizeof(T) works for data types leaving no gaps in the allocated vector because of alignment of the T type.
if (cnt != 0) {
v.assign(cnt, T());
if (::fread(&v.front(), sizeof(T), cnt, pFile) != cnt)
return false;
}
return true;
}
bool loadvector(FILE *pFile, std::vector<std::string> &v)
{
v.clear();
size_t cnt = 0;
if (::fread(&cnt, sizeof(cnt), 1, pFile) != 1)
return false;
v.reserve(cnt);
for (size_t i = 0; i < cnt; ++ i) {
size_t len = 0;
if (::fread(&len, sizeof(len), 1, pFile) != 1)
return false;
std::string s(" ", len);
if (::fread(s.data(), 1, len, pFile) != len)
return false;
v.push_back(std::move(s));
}
return true;
}
template<typename T>
bool loadvectornameidx(FILE *pFile, std::vector<T> &v)
{
v.clear();
size_t cnt = 0;
if (::fread(&cnt, sizeof(cnt), 1, pFile) != 1)
return false;
v.assign(cnt, T());
for (size_t i = 0; i < cnt; ++ i) {
if (::fread(&v[i].vertexIdxFirst, sizeof(int), 1, pFile) != 1)
return false;
size_t len = 0;
if (::fread(&len, sizeof(len), 1, pFile) != 1)
return false;
v[i].name.assign(" ", len);
if (::fread(v[i].name.data(), 1, len, pFile) != len)
return false;
}
return true;
}
bool objbinsave(const char *path, const ObjData &data)
{
FILE *pFile = boost::nowide::fopen(path, "wb");
if (pFile == 0)
return false;
size_t version = 1;
::fwrite(&version, 1, sizeof(version), pFile);
bool result =
savevector(pFile, data.coordinates) &&
savevector(pFile, data.textureCoordinates) &&
savevector(pFile, data.normals) &&
savevector(pFile, data.parameters) &&
savevector(pFile, data.mtllibs) &&
savevectornameidx(pFile, data.usemtls) &&
savevectornameidx(pFile, data.objects) &&
savevectornameidx(pFile, data.groups) &&
savevector(pFile, data.smoothingGroups) &&
savevector(pFile, data.vertices);
::fclose(pFile);
return result;
}
bool objbinload(const char *path, ObjData &data)
{
FILE *pFile = boost::nowide::fopen(path, "rb");
if (pFile == 0)
return false;
data.version = 0;
if (::fread(&data.version, sizeof(data.version), 1, pFile) != 1)
return false;
if (data.version != 1)
return false;
bool result =
loadvector(pFile, data.coordinates) &&
loadvector(pFile, data.textureCoordinates) &&
loadvector(pFile, data.normals) &&
loadvector(pFile, data.parameters) &&
loadvector(pFile, data.mtllibs) &&
loadvectornameidx(pFile, data.usemtls) &&
loadvectornameidx(pFile, data.objects) &&
loadvectornameidx(pFile, data.groups) &&
loadvector(pFile, data.smoothingGroups) &&
loadvector(pFile, data.vertices);
::fclose(pFile);
return result;
}
template<typename T>
bool vectorequal(const std::vector<T> &v1, const std::vector<T> &v2)
{
if (v1.size() != v2.size())
return false;
for (size_t i = 0; i < v1.size(); ++ i)
if (! (v1[i] == v2[i]))
return false;
return true;
}
bool vectorequal(const std::vector<std::string> &v1, const std::vector<std::string> &v2)
{
if (v1.size() != v2.size())
return false;
for (size_t i = 0; i < v1.size(); ++ i)
if (v1[i].compare(v2[i]) != 0)
return false;
return true;
}
extern bool objequal(const ObjData &data1, const ObjData &data2)
{
//FIXME ignore version number
// version;
return
vectorequal(data1.coordinates, data2.coordinates) &&
vectorequal(data1.textureCoordinates, data2.textureCoordinates) &&
vectorequal(data1.normals, data2.normals) &&
vectorequal(data1.parameters, data2.parameters) &&
vectorequal(data1.mtllibs, data2.mtllibs) &&
vectorequal(data1.usemtls, data2.usemtls) &&
vectorequal(data1.objects, data2.objects) &&
vectorequal(data1.groups, data2.groups) &&
vectorequal(data1.vertices, data2.vertices);
}
} // namespace ObjParser
Reference in New Issue View Git Blame Copy Permalink