void
ObjModelLoader::parseMtl(fs::path file)
{
//TODO parse Mtl-File and put the materials into the (hash)map
// within the model.
// remember: 1 object = 1 material = 1 vbo
// mööööp -wrong!
if (!exists(file))
cerr << "Material-File '" << file.string() << "' does not exist!"
<< endl;
Material* matPtr = 0;
fs::ifstream mtlFile;
mtlFile.open(file, ios::in);
char line[200];
vector<string> tokens;
while (mtlFile.getline(line, 200)) {
tokens = splitSpace(string(line));
if (tokens[0] == ("newmtl")) {
string longName("");
for (unsigned int i = 1; i < tokens.size(); ++i) {
longName.append(tokens[i]);
longName.append(" ");
}
longName.erase(longName.end() - 1);
matPtr = new Material();
matPtr->kdR = ooctools::defaultColorF.getX();
matPtr->kdG = ooctools::defaultColorF.getY();
matPtr->kdB = ooctools::defaultColorF.getZ();
mPriMatMap.insert(make_pair(longName, matPtr));
// cout << "found MaterialDefinition '" << tokens[1] << "'!" << endl;
}
else if (!strcasecmp("kd", tokens[0].c_str())) {
matPtr->kdR = atof(tokens[1].c_str());
matPtr->kdG = atof(tokens[2].c_str());
matPtr->kdB = atof(tokens[3].c_str());
}
}
mtlFile.close();
}
static libmaus::autoarray::AutoArray<libmaus::bambam::BamRange::unique_ptr_type> parse(std::string const & ranges, libmaus::bambam::BamHeader const & header)
{
std::vector < std::string > const outertokens = splitSpace(ranges);
libmaus::autoarray::AutoArray<libmaus::bambam::BamRange::unique_ptr_type> A(outertokens.size());
for ( uint64_t i = 0; i < outertokens.size(); ++i )
{
std::string const & outertoken = outertokens[i];
uint64_t sempos = outertoken.size();
for ( uint64_t j = 0; j < outertoken.size(); ++j )
if ( outertoken[j] == ':' )
sempos = j;
if ( sempos == outertoken.size() )
{
libmaus::bambam::BamRange::unique_ptr_type tAi(new libmaus::bambam::BamRangeChromosome(outertoken,header));
A[i] = UNIQUE_PTR_MOVE(tAi);
}
else
{
std::string const refname = outertoken.substr(0,sempos);
std::string const rest = outertoken.substr(sempos+1);
// std::cerr << "refname=" << refname << " rest=" << rest << std::endl;
uint64_t dashpos = rest.size();
for ( uint64_t j = 0; j < rest.size(); ++j )
if ( rest[j] == '-' )
dashpos = j;
if ( dashpos == rest.size() )
{
int64_t num = 0;
for ( uint64_t j = 0; j < rest.size(); ++j )
if ( isdigit(rest[j]) )
{
num *= 10;
num += rest[j]-'0';
}
else if ( rest[j] == ',' )
{
}
else
{
libmaus::exception::LibMausException se;
se.getStream() << "Found invalid range character in " << rest << std::endl;
se.finish();
throw se;
}
libmaus::bambam::BamRange::unique_ptr_type tAi(new libmaus::bambam::BamRangeHalfOpen(refname,num-1,header));
A[i] = UNIQUE_PTR_MOVE(tAi);
}
else
{
std::string const sstart = rest.substr(0,dashpos);
std::string const send = rest.substr(dashpos+1);
int64_t start = 0;
for ( uint64_t j = 0; j < sstart.size(); ++j )
if ( isdigit(sstart[j]) )
{
start *= 10;
start += sstart[j]-'0';
}
else if ( sstart[j] == ',' )
{
}
else
{
libmaus::exception::LibMausException se;
se.getStream() << "Found invalid range character in " << sstart << std::endl;
se.finish();
throw se;
}
int64_t end = 0;
for ( uint64_t j = 0; j < send.size(); ++j )
if ( isdigit(send[j]) )
{
end *= 10;
end += send[j]-'0';
}
else if ( send[j] == ',' )
{
}
else
{
libmaus::exception::LibMausException se;
se.getStream() << "Found invalid range character in " << send << std::endl;
se.finish();
throw se;
}
libmaus::bambam::BamRange::unique_ptr_type tAi(new libmaus::bambam::BamRangeInterval(refname,start-1,end,header));
A[i] = UNIQUE_PTR_MOVE(tAi);
}
}
}
return A;
}
static std::vector < std::string > splitSpace(std::string const & s)
{
libmaus::fastx::SpaceTable const ST;
return splitSpace(s,ST);
}
void
ObjModelLoader::secondPass()
{
string lastType = "";
int grpId = -1;
mPriModelPtr->setCurrentGrp(mPriModelPtr->getGrpStart()->first);
fs::path my_path(mPriFName);
fs::ifstream objFile;
objFile.open(my_path, ios::out);
char line[200];
vector<string> tokens;
while (objFile.getline(line, 200)) {
tokens = splitSpace(string(line));
if (tokens[0] == ("g")) {
// removeSpecialCharsFromName(tokens[1]);
++grpId;
lastType = "g";
string longname("");
for (unsigned int i = 1; i < tokens.size(); ++i) {
longname.append(tokens[i]);
longname.append("_");
}
longname.erase(longname.end() - 1);
mPriModelPtr->setCurrentGrp(longname);
//cout << _model.getCurrentGrpPtr()->name << endl;
}
else if (tokens[0] == ("v")) {
lastType = "v";
}
// moved material assignment to 2nd pass because it references a group.
// But only at end of 1st pass we know our groups
else if (tokens[0] == ("usemtl")) {
// cout << "found material reference " << tokens[1] << " in obj-file" << endl;
string longName("");
for (unsigned int i = 1; i < tokens.size(); ++i) {
longName.append(tokens[i]);
longName.append(" ");
}
longName.erase(longName.end() - 1);
if (mPriMatMap.find(longName) != mPriMatMap.end())
mPriModelPtr->getCurrentGrpPtr()->setMat(*mPriMatMap[longName]);
lastType = "usemtl";
}
else if (tokens[0] == ("f")) {
//cout << "Number of Components per face: " << tokens.size()-1 << endl;
Face* f = new Face();
f->norm = false;
f->vert = false;
f->matIdx = 0;
f->tex = 0;
f->fNormal = 0;
string::size_type loc = tokens[1].find("/", 0);
if (loc != string::npos) {
for (string::size_type i = 1; i < tokens.size(); ++i) {
vector<int> comp = extractFaceComponents(tokens[i]);
// vertices
if ((comp[0] & 4)) {
V3f* vtx = mPriModelPtr->getVPtr(comp[1] - 1);
f->vertexPtrList.push_back(vtx);
vtx->addFaceRef(f);
f->vert = true;
mPriModelPtr->getCurrentGrpPtr()->nVertices++;
mPriModelPtr->incVCount();
mPriModelPtr->getCurrentGrpPtr()->bb->expand(*vtx);
}
// textures
if ((comp[0] & 2)) {
f->texturePtrList.push_back(mPriModelPtr->getTPtr(
comp[2] - 1));
++f->tex;
mPriModelPtr->getCurrentGrpPtr()->nTextureCoords++;
mPriModelPtr->incTCount();
}
// normals
if ((comp[0] & 1)) {
f->normalPtrList.push_back(mPriModelPtr->getNPtr(
comp[3] - 1));
f->norm = true;
mPriModelPtr->getCurrentGrpPtr()->nNormals++;
mPriModelPtr->incNCount();
}
comp.clear();
}
}
else {
V3f* vtx = mPriModelPtr->getVPtr(atoi(tokens[1].c_str()) - 1);
f->vertexPtrList.push_back(vtx);
mPriModelPtr->getCurrentGrpPtr()->bb->expand(*vtx);
vtx = mPriModelPtr->getVPtr(atoi(tokens[2].c_str()) - 1);
f->vertexPtrList.push_back(vtx);
mPriModelPtr->getCurrentGrpPtr()->bb->expand(*vtx);
vtx = mPriModelPtr->getVPtr(atoi(tokens[3].c_str()) - 1);
f->vertexPtrList.push_back(vtx);
mPriModelPtr->getCurrentGrpPtr()->bb->expand(*vtx);
f->vert = true;
mPriModelPtr->getCurrentGrpPtr()->nVertices += 3;
mPriModelPtr->incVCount(3);
}
mPriModelPtr->addFPtrToCurrent(f);
lastType = "f";
}
}
objFile.close();
}
void
ObjModelLoader::firstPass()
{
string lastType = "";
fs::path my_path(mPriFName);
fs::ifstream objFile;
objFile.open(my_path, ios::in);
char line[200];
vector<string> tokens;
while (objFile.getline(line, 200)) {
tokens = splitSpace(string(line));
if (tokens[0] == ("o")) {
//++grpCount;
lastType = "o";
}
else if (tokens[0] == ("g")) {
// removeSpecialCharsFromName(tokens[1]);
string longname("");
for (unsigned int i = 1; i < tokens.size(); ++i) {
longname.append(tokens[i]);
longname.append("_");
}
longname.erase(longname.end() - 1);
mPriModelPtr->addGrpPtr(new MetaGroup(longname));
lastType = "g";
}
else if (tokens[0] == ("mtllib")) {
string longname("");
for (unsigned int i = 1; i < tokens.size(); ++i) {
longname.append(tokens[i]);
longname.append(" ");
}
longname.erase(longname.end() - 1);
parseMtl(fs::path(my_path.parent_path() / longname));
lastType = "mtllib";
}
else if (tokens[0] == ("v")) {
V3f* v = new V3f(atof(tokens[1].c_str()), atof(tokens[2].c_str()),
atof(tokens[3].c_str()));
mPriModelPtr->addVPtr(v);
lastType = "v";
}
else if (tokens[0] == ("vt")) {
V3f* t = new V3f(atof(tokens[1].c_str()), atof(tokens[2].c_str()),
atof(tokens[3].c_str()));
mPriModelPtr->addTPtr(t);
lastType = "vt";
}
else if (tokens[0] == ("vn")) {
V3b *n = new V3b((char) 127.0f * atof(tokens[1].c_str()),
(char) 127.0f * atof(tokens[2].c_str()), (char) 127.0f * atof(tokens[3].c_str()));
mPriModelPtr->addNPtr(n);
lastType = "vn";
}
else if (tokens[0] == ("f")) {
lastType = "f";
}
}
objFile.close();
// if we have not read any groups in, create a default group
if (mPriModelPtr->getGrpCount() < 1) {
mPriModelPtr->addGrpPtr(new MetaGroup());
}
}
