StringArray ModuleDescription::getDependencies() const
{
auto deps = StringArray::fromTokens (moduleInfo ["dependencies"].toString(), " \t;,", "\"'");
deps.trim();
deps.removeEmptyStrings();
return deps;
}
std::shared_ptr<ILoadableObject> MtlLoader::load(AssetManager *assetMgr, AssetInfo &asset)
{
std::shared_ptr<MaterialList> mtlList(new MaterialList());
std::string line;
while (std::getline(*asset.getStream(), line))
{
vector<string> tokens = split(line, ' ');
tokens = removeEmptyStrings(tokens);
if (tokens.size() == 0 || strcmp(tokens[0].c_str(), "#") == 0)
{
}
else if (!strcmp(tokens[0].c_str(), "newmtl"))
{
string name = tokens[1];
Material mtl;
mtl.setString(Material::STRING_NAME, name);
mtlList->addMaterial(mtl);
}
else if (!strcmp(tokens[0].c_str(), "Kd"))
{
float r = atof(tokens[1].c_str());
float g = atof(tokens[2].c_str());
float b = atof(tokens[3].c_str());
Vector4f col(r, g, b, 1.0f);
mtlList->getLastMaterial().setVector4f(Material::COLOR_DIFFUSE, col);
}
else if (!strcmp(tokens[0].c_str(), "Ka"))
{
/*float r = atof(tokens[1].c_str());
float g = atof(tokens[2].c_str());
float b = atof(tokens[3].c_str());
Vector4f col(r, g, b, 1.0f);
mtlList->getLastMaterial().setVector4f(Material::COLOR_AMBIENT, col);*/
}
else if (!strcmp(tokens[0].c_str(), "Ks"))
{
/*float r = atof(tokens[1].c_str());
float g = atof(tokens[2].c_str());
float b = atof(tokens[3].c_str());
Vector4f col(r, g, b, 1.0f);
mtlList->getLastMaterial().setVector4f(Material::COLOR_SPECULAR, col);*/
}
else if (!strcmp(tokens[0].c_str(), "Ns"))
{
string spec = tokens[1];
float fSpec = atof(spec.c_str());
mtlList->getLastMaterial().setVector4f(Material::FLOAT_SHININESS, fSpec * 0.001f);
}
else if (!strcmp(tokens[0].c_str(), "map_Kd"))
{
string texName = tokens[tokens.size() - 1];
std::string currentDir = std::string(asset.getFilePath());
currentDir = currentDir.substr(0, currentDir.find_last_of("\\/"));
if (!contains(currentDir, "/") && !contains(currentDir, "\\")) // the file path is just current file name,
{ // so just make the string empty
currentDir = "";
}
currentDir += "/" + texName;
shared_ptr<Texture2D> tex = assetMgr->loadAs<Texture2D>(currentDir.c_str());
mtlList->getLastMaterial().setTexture(Material::TEXTURE_DIFFUSE, tex);
}
else if (!strcmp(tokens[0].c_str(), "map_bump"))
{
string texName = tokens[tokens.size() - 1];
std::string currentDir = std::string(asset.getFilePath());
currentDir = currentDir.substr(0, currentDir.find_last_of("\\/"));
if (!contains(currentDir, "/") && !contains(currentDir, "\\")) // the file path is just current file name,
{ // so just make the string empty
currentDir = "";
}
currentDir += "/" + texName;
shared_ptr<Texture2D> tex = assetMgr->loadAs<Texture2D>(currentDir.c_str());
mtlList->getLastMaterial().setTexture(Material::TEXTURE_NORMAL, tex);
}
}
return std::static_pointer_cast<ILoadableObject>(mtlList);
}
std::shared_ptr<ILoadableObject> ObjLoader::load(AssetManager *assetMgr, AssetInfo &asset)
{
shared_ptr<Node> node(new Node());
std::string currentDir = std::string(asset.getFilePath());
std::string nodeFileName = currentDir.substr(currentDir.find_last_of("\\/")+1);
nodeFileName = nodeFileName.substr(0, nodeFileName.find_first_of(".")); // trim extension
node->setName(nodeFileName);
std::string line;
while (std::getline(*asset.getStream(), line))
{
vector<string> tokens = split(line, ' ');
tokens = removeEmptyStrings(tokens);
if (tokens.size() == 0 || strcmp(tokens[0].c_str(), "#") == 0)
{
}
else if (strcmp(tokens[0].c_str(), "v") == 0)
{
float x = parse<float>(tokens[1]);
float y = parse<float>(tokens[2]);
float z = parse<float>(tokens[3]);
Vector3f vec(x, y, z);
positions.push_back(vec);
}
else if (strcmp(tokens[0].c_str(), "vn") == 0)
{
float x = parse<float>(tokens[1]);
float y = parse<float>(tokens[2]);
float z = parse<float>(tokens[3]);
Vector3f vec(x, y, z);
normals.push_back(vec);
}
else if (strcmp(tokens[0].c_str(), "vt") == 0)
{
float x = parse<float>(tokens[1]);
float y = parse<float>(tokens[2]);
Vector2f vec(x, y);
texCoords.push_back(vec);
}
else if (strcmp(tokens[0].c_str(), "f") == 0)
{
vector<ObjIndex> *c_idx = currentList();
for (int i = 0; i < tokens.size() - 3; i++)
{
c_idx->push_back(parseObjIndex(tokens[1]));
c_idx->push_back(parseObjIndex(tokens[2 + i]));
c_idx->push_back(parseObjIndex(tokens[3 + i]));
}
}
else if (strcmp(tokens[0].c_str(), "mtllib") == 0)
{
string libLoc = tokens[1];
std::string currentDir = std::string(asset.getFilePath());
currentDir = currentDir.substr(0, currentDir.find_last_of("\\/"));
if (!contains(currentDir, "/") && !contains(currentDir, "\\")) // the file path is just current file name,
{ // so just make the string empty
currentDir = "";
}
currentDir += "/" + libLoc;
std::shared_ptr<MaterialList> mtlList = assetMgr->loadAs<MaterialList>(currentDir.c_str());
this->mtlList = *mtlList.get();
}
else if (strcmp(tokens[0].c_str(), "usemtl") == 0)
{
string matname = tokens[1];
newMesh(matname);
}
}
for (int i = 0; i < objIndices.size(); i++)
{
vector<ObjIndex> *c_idx = objIndices[i];
vector<Vertex> vertices;
for (int j = 0; j < c_idx->size(); j++)
{
Vertex vert(positions[(*c_idx)[j].vertex_idx],
(hasTexCoords ? texCoords[(*c_idx)[j].texcoord_idx] : Vector2f()),
(hasNormals ? normals[(*c_idx)[j].normal_idx] : Vector3f()));
vertices.push_back(vert);
}
shared_ptr<Mesh> mesh(new Mesh());
mesh->setVertices(vertices);
if (hasNormals)
mesh->getAttributes().setAttribute(VertexAttributes::NORMALS);
if (hasTexCoords)
mesh->getAttributes().setAttribute(VertexAttributes::TEXCOORDS0);
shared_ptr<Geometry> geom(new Geometry());
geom->setName(names[i]);
geom->setMesh(mesh);
geom->setMaterial(materialWithName(namesMtl[i]));
node->add(geom);
delete c_idx;
}
return std::static_pointer_cast<ILoadableObject>(node);
}
