const Material MaterialLoader::loadFromXML(const std::string &path) {
std::string dir = path.substr(0, path.find_last_of("/\\"));
XMLDocument doc;
XMLError error = doc.LoadFile((Environment::getDataDir() + "/textures/" + path + ".gmd").c_str());
if (error != XML_NO_ERROR) {
System::Log(Error, "MaterialLoader") << "XML Error " << doc.ErrorID() << ": " <<
doc.ErrorName() << " in " << path;
}
XMLHandle docHandle(&doc);
XMLElement *root = docHandle.FirstChildElement().ToElement();
XMLHandle rootH(root);
std::string name = root->Attribute("name");
std::string fancyname = root->Attribute("fancyname");
Material mat;
mat.name = name;
mat.fancyname = fancyname;
XMLElement *diffE = rootH.FirstChildElement("diffuse").ToElement();
if (diffE) {
std::string diffP = diffE->Attribute("path");
if (diffP.length() > 0) {
diffP = dir + "/" + diffP;
System::Log(Debug, "MaterialLoader") << mat.name << ": load " << diffP;
mat.diffuse = TextureLoader::getTexture(diffP);
}
} else {
mat.diffuse = TextureLoader::getEmptyDiffuse();
}
XMLElement *normE = rootH.FirstChildElement("normal").ToElement();
if (normE) {
std::string normP = normE->Attribute("path");
if (normP.length() > 0) {
normP = dir + "/" + normP;
System::Log(Debug, "MaterialLoader") << mat.name << ": load " << normP;
mat.normal = TextureLoader::getTexture(normP);
}
} else {
mat.normal = TextureLoader::getEmptyNormal();
}
XMLElement *specE = rootH.FirstChildElement("specular").ToElement();
if (specE) {
std::string specP = specE->Attribute("path");
if (specP.length() > 0) {
specP = dir + "/" + specP;
System::Log(Debug, "MaterialLoader") << mat.name << ": load " << specP;
mat.specular = TextureLoader::getTexture(specP);
}
specE->QueryFloatAttribute("shininess", &mat.shininess);
} else {
mat.specular = TextureLoader::getEmptySpecular();
}
XMLElement *surfaceE = rootH.FirstChildElement("surface").ToElement();
mat.portalable = false;
if (surfaceE) {
surfaceE->QueryBoolAttribute("portalable", &mat.portalable);
}
XMLElement *scaleE = rootH.FirstChildElement("scale").ToElement();
if (scaleE) {
scaleE->QueryFloatAttribute("u", &mat.scaleU);
scaleE->QueryFloatAttribute("v", &mat.scaleV);
}
XMLElement *kindE = rootH.FirstChildElement("kind").ToElement();
if (kindE) {
mat.kind = std::string(kindE->GetText());
}
XMLElement *tagsE = rootH.FirstChildElement("tags").ToElement();
if (tagsE) {
std::string tagStr(tagsE->GetText());
size_t start = 0;
size_t index = tagStr.find(",", start);
while (index != std::string::npos) {
mat.tags.push_back(tagStr.substr(start, index - start));
start = index + 1;
index = tagStr.find(",", start);
}
if (start != std::string::npos) {
mat.tags.push_back(tagStr.substr(start));
}
}
// TODO
return mat;
}
