//Loads an OBJ file into this mesh
//Does not currently account for textures
void Mesh::loadOBJ(std::string fileName) {
std::vector<glm::vec3> vertices;
std::vector<glm::vec2> uvs;
std::vector<glm::vec3> normals;
std::ifstream objFile(fileName, std::ios::in);
if (!objFile.is_open()) {
std::cout << "Failed to open the file " << fileName << std::endl;
}
std::string line;
while (getline(objFile,line)) {
if (line.length() == 0) { //Line was empty, for some reason
continue;
}
std::stringstream lineStream(line); //Possible performance issues
std::string lineType;
lineStream >> lineType;
if (lineType == "v") { //We're dealing with a vertex
float x,y,z;
lineStream >> x >> y >> z;
vertices.push_back(glm::vec3(x,y,z));
}
else if (lineType == "vt") { //"" UV
void NewAreaDialog::confirm() {
name = nameEdit->text();
tile = tileEdit->text();
obj = objEdit->text();
width = widthEdit->text().toInt();
height = heightEdit->text().toInt();
if(name.isEmpty() || name.isNull()) {
QMessageBox::information(this, "Error", "Name is invalid");
return;
}
QFile tileFile(tile);
tileFile.open(QFile::ReadOnly);
if(!tileFile.exists() || !tileFile.isOpen()) {
QMessageBox::information(this, "Error", "Terrain sheet is invalid");
return;
}
QFile objFile(obj);
objFile.open(QFile::ReadOnly);
if(!objFile.exists() || !objFile.isOpen()) {
QMessageBox::information(this, "Error", "Object sheet is invalid");
return;
}
accept();
}
void GeometryLoader::loadFromFile(const std::string& filename)
{
std::ifstream objFile(filename);
if (objFile.is_open())
{
processFile(objFile);
objFile.close();
printStatistics(filename);
}
else
{
std::cout << "ERROR: cannot open a file\n";
}
}
void Mesh::writeObj(Mesh mesh, string filename)
{
std::ofstream objFile(filename);
for (const auto& v : mesh.vertex) {
//objFile << "v " << v.position[0] << " " << v.position[1] << " " << v.position[2] << std::endl;
objFile << "v " << v.position[0] << " " << v.position[1] << " " << v.position[2] << " " << v.color[0] << " " << v.color[1] << " " << v.color[2] << " " << std::endl;
}
for (const auto& v : mesh.tvi) {
objFile << "f " << v[0]+1 << " " << v[1]+1 << " " << v[2]+1 << std::endl;
}
objFile.close();
return;
// obj starts counting triangles at 1
}
WaveFrontObj WaveFrontUtils::LoadObj(const char * path)
{
WaveFrontObj obj;
ifstream objFile(path,std::ifstream::in);
if(objFile.is_open()){ // Verifica se arquivo esta aberto
while(objFile.good() && !objFile.eof()){
string linha;
getline(objFile, line);
if(linha.front() == 'v'){ // linha de vertex
vector<float> vertex = Utils::SplitStringToFloat(' ', linha);
obj.addVertex(vertex);
}
}
objFile.close();
}
return obj;
}
/// Yus.
bool Mesh::SaveObj(String path)
{
if (!path.Contains(".obj"))
path = path + ".obj";
File objFile(path);
bool ok = objFile.OpenForWritingText();
if (!ok)
return false;
std::fstream & fstream = objFile.GetStream();
fstream<<"o "<<name;
for (int i = 0; i < vertices.Size(); ++i)
{
Vector3f & v = vertices[i];
fstream<<"\nv "<<v;
}
for (int i = 0; i < uvs.Size(); ++i)
{
Vector2f & uv = uvs[i];
fstream<<"\nvt "<<uv;
}
for (int i = 0; i < normals.Size(); ++i)
{
Vector3f & n = normals[i];
fstream<<"\nvn "<<n;
}
for (int i = 0; i < faces.Size(); ++i)
{
MeshFace & f = faces[i];
fstream<<"\nf";
for (int i = 0; i < f.vertices.Size(); ++i)
{
fstream<<" "<<(f.vertices[i]+1);
if (f.normals.Size() || f.uvs.Size())
fstream<<"/";
if (f.uvs.Size())
fstream<<(f.uvs[i]+1);
if (f.normals.Size())
fstream<<"/"<<(f.normals[i]+1);
}
}
objFile.Close();
return true;
}
void OBJBaker::bakeOBJ() {
// Read the OBJ file
QFile objFile(_originalModelFilePath);
if (!objFile.open(QIODevice::ReadOnly)) {
handleError("Error opening " + _originalModelFilePath + " for reading");
return;
}
QByteArray objData = objFile.readAll();
bool combineParts = true; // set true so that OBJReader reads material info from material library
OBJReader reader;
auto geometry = reader.readOBJ(objData, QVariantHash(), combineParts, _modelURL);
// Write OBJ Data as FBX tree nodes
createFBXNodeTree(_rootNode, *geometry);
checkIfTexturesFinished();
}
void ObjModel::ReadFile(string fileName)
{
Reset();
int t1 = fileName.find_last_of('/');
if (t1 == string::npos)
{
path = "";
}
else
{
path = fileName.substr(0, t1 + 1);
}
string temp;
char c, buf[256];
ifstream objFile(fileName);
if (!objFile.is_open())
{
cout << fileName << " couldn't be opened.\n";
system("pause");
exit(1);
}
c = objFile.peek();
while (c == '#' || c == '\n' || c == ' ')
{
objFile.getline(buf, 255);
c = objFile.peek();
}
c = objFile.peek();
if (c == 'm')
{
objFile >> temp;
objFile >> temp;
}
int main(int argc, char** argv)
{
#define MAX_OBJ_FILENAME 500;
std::string modelName;
if (argc != 2) {
std::cerr << "Usage: " << argv[0] << " <model.obj>" << std::endl;
#if _DEBUG
modelName = std::string("test.obj");
#else
return -1;
#endif
} else {
modelName = std::string(argv[1]);
}
std::cout << "Loading " << modelName << std::endl;
std::string modelPath(MODEL_DIRECTORY);
modelPath += std::string(DIRECTORY_SEPARATOR) + modelName;
std:: ifstream objFile(modelPath.c_str());
#if _MSC_VER
std::cerr << "MSVC detected" << std::endl;
#else
if (false == objFile.is_open())
{
std::cerr << "Unable to load " << modelPath << std::endl;
return -2;
}
#endif
MyGLApp objViewer(modelName.c_str());
objViewer.start();
SDL_Quit();
return 0;
}
Material ModelLoader::loadMaterialFromMTL( string p_materialFileName )
{
Material material;
MaterialStruct mtrStruct;
fstream objFile(p_materialFileName);
if(objFile)
{
string line;
string prefix;
while(objFile.eof() == false)
{
prefix = "NULL"; //leave nothing from the previous iteration
stringstream lineStream;
getline(objFile, line);
lineStream << line;
lineStream >> prefix;
if(prefix == "map_Kd")
{
string materialTextureName;
lineStream >> materialTextureName;
wstring name (materialTextureName.begin(), materialTextureName.end());
D3DTexture* texture = new D3DTexture(m_pDevice, m_pDeviceContext);
texture->createTexture(&name, NULL, false);
material.setTexture(texture);
//m_material->m_textureResource = createTexture(materialTextureName);
}
else if(prefix == "Ns")
{
int nShininess;
lineStream >> nShininess;
mtrStruct.m_ambient.w = nShininess;
}
int Model_OBJ::Load(std::string filename)
{
string line;
ifstream objFile (filename + ".obj");
if (objFile.is_open()) // If obj file is open, continue
{
objFile.seekg (0, ios::end); // Go to end of the file,
long fileSize = objFile.tellg(); // get file size
objFile.seekg (0, ios::beg); // we'll use this to register memory for our 3d model
vertexBuffer = (float*) malloc (fileSize); // Allocate memory for the verteces
Faces_Triangles = (float*) malloc(fileSize*sizeof(float)); // Allocate memory for the triangles
normals = (float*) malloc(fileSize*sizeof(float)); // Allocate memory for the normals
int triangle_index = 0; // Set triangle index to zero
int normal_index = 0; // Set normal index to zero
while (! objFile.eof() ) // Start reading file data
{
getline (objFile,line); // Get line from file
if (line.c_str()[0] == 'v') // The first character is a v: on this line is a vertex stored.
{
line[0] = ' '; // Set first character to 0. This will allow us to use sscanf
sscanf(line.c_str(),"%f %f %f ", // Read floats from the line: v X Y Z
&vertexBuffer[TotalConnectedPoints],
&vertexBuffer[TotalConnectedPoints+1],
&vertexBuffer[TotalConnectedPoints+2]);
TotalConnectedPoints += POINTS_PER_VERTEX; // Add 3 to the total connected points
}
if (line.c_str()[0] == 'f') // The first character is an 'f': on this line is a point stored
{
line[0] = ' '; // Set first character to 0. This will allow us to use sscanf
int vertexNumber[4] = { 0, 0, 0 };
sscanf(line.c_str(),"%i%i%i", // Read integers from the line: f 1 2 3
&vertexNumber[0], // First point of our triangle. This is an
&vertexNumber[1], // pointer to our vertexBuffer list
&vertexNumber[2] ); // each point represents an X,Y,Z.
vertexNumber[0] -= 1; // OBJ file starts counting from 1
vertexNumber[1] -= 1; // OBJ file starts counting from 1
vertexNumber[2] -= 1; // OBJ file starts counting from 1
/********************************************************************
* Create triangles (f 1 2 3) from points: (v X Y Z) (v X Y Z) (v X Y Z).
* The vertexBuffer contains all verteces
* The triangles will be created using the verteces we read previously
*/
int tCounter = 0;
for (int i = 0; i < POINTS_PER_VERTEX; i++)
{
Faces_Triangles[triangle_index + tCounter ] = vertexBuffer[3*vertexNumber[i] ];
Faces_Triangles[triangle_index + tCounter +1 ] = vertexBuffer[3*vertexNumber[i]+1 ];
Faces_Triangles[triangle_index + tCounter +2 ] = vertexBuffer[3*vertexNumber[i]+2 ];
tCounter += POINTS_PER_VERTEX;
}
/*********************************************************************
* Calculate all normals, used for lighting
*/
float coord1[3] = { Faces_Triangles[triangle_index], Faces_Triangles[triangle_index+1],Faces_Triangles[triangle_index+2]};
float coord2[3] = {Faces_Triangles[triangle_index+3],Faces_Triangles[triangle_index+4],Faces_Triangles[triangle_index+5]};
float coord3[3] = {Faces_Triangles[triangle_index+6],Faces_Triangles[triangle_index+7],Faces_Triangles[triangle_index+8]};
float *norm = this->calculateNormal( coord1, coord2, coord3 );
tCounter = 0;
for (int i = 0; i < POINTS_PER_VERTEX; i++)
{
normals[normal_index + tCounter ] = norm[0];
normals[normal_index + tCounter +1] = norm[1];
normals[normal_index + tCounter +2] = norm[2];
tCounter += POINTS_PER_VERTEX;
}
triangle_index += TOTAL_FLOATS_IN_TRIANGLE;
normal_index += TOTAL_FLOATS_IN_TRIANGLE;
TotalConnectedTriangles += TOTAL_FLOATS_IN_TRIANGLE;
}
}
objFile.close(); // Close OBJ file
}
else
{
cout << "Unable to open file";
}
//loads color;
ifstream colFile (filename + ".txt");
if (colFile.is_open()) {
colFile >> color[0];
colFile >> color[1];
colFile >> color[2];
colFile.close();
}
void SphereGenerator::output()
{
// texture = cv::imread(sTexture.toStdString().c_str());
// QDateTime currTime = QDateTime::currentDateTime();
// long long timeStamp = currTime.toMSecsSinceEpoch();
std::ofstream out(sObj.toStdString().c_str());
// for usemtl
QString keyWords = "wire_sphere";
out << "# created by h005 SphereGenerator" << std::endl;
out << std::endl;
// mtl file
QFileInfo objFile(sObj);
QString mtlFile(objFile.absolutePath());
mtlFile.append("/");
mtlFile.append(objFile.baseName());
mtlFile.append(".mtl");
QFileInfo mtlFileInfo(mtlFile);
out << "mtllib "<< mtlFileInfo.fileName().toStdString() <<std::endl;
for(int i=0;i<centerList.size();i++)
out << "v "<< centerList.at(i).x
<< " " << centerList.at(i).y
<< " " << centerList.at(i).z << std::endl;
out << "# "<< centerList.size() << " vertices" << std::endl;
if(isCircle)
sZ++;
float uStep = 1.0 / (float)(sX-1);
float vStep = 1.0 / (float)(sZ-1);
// float u = 1.0f,v = 1.0f;
float u = 0.f, v = 1.0f;
for(int i=0;i<sX;i++)
{
v = 1.0f;
for(int j=0;j<sZ;j++)
{
out << "vt " << u << " " << v << std::endl;
v -= vStep;
if( v < 0.f)
v = 0.f;
}
u += uStep;
if(u > 1.f)
u = 1.f;
}
out << "# "<< centerList.size() << " texture coords" << std::endl;
out << "g " << "Sphere 001"<< std::endl;
// out << "usemtl " << keyWords.toStdString() << std::endl;
out << "s 1" << std::endl;
if(!isCircle)
{
for(int i=0;i<sX-1;i++)
{
for(int j=1;j<sZ;j++)
{
out << "f " << i * sZ + j << "/" << i * sZ + j << " ";
out << (i+1) * sZ + j << "/" << (i+1) * sZ + j << " ";
out << (i+1) * sZ + j + 1 << "/" << (i+1) * sZ + j + 1 << " ";
out << i * sZ + j + 1 << "/" << i * sZ + j + 1 << std::endl;
}
}
out << "# "<<(sX-1)*(sZ-1)<<" polygons"<<std::endl;
}
else
{
// 先完成环的那部分
sZ--;
for(int i=0;i<sX-1;i++)
{
for(int j=1;j<sZ;j++)
{
out << "f " << i * sZ + j << "/" << i * (sZ + 1) + j << " ";
out << (i+1) * sZ + j << "/" << (i+1) * (sZ + 1) + j << " ";
out << (i+1) * sZ + j + 1 << "/" << (i+1) * (sZ + 1) + j + 1 << " ";
out << i * sZ + j + 1 << "/" << i * (sZ + 1) + j + 1 << std::endl;
}
}
// 将环给衔接起来
for(int i=0;i<sX-1;i++)
{
out << "f " << i * sZ + 1 << "/" << (i + 1) * (sZ + 1) << " ";
out << (i+1) * sZ << "/" << (i+1) * (sZ + 1) - 1 << " ";
out << (i+2) * sZ << "/" << (i+2) * (sZ + 1) - 1 << " ";
out << (i+1) * sZ + 1 << "/" << (i+2) * (sZ + 1) << std::endl;
}
out << "# "<<(sX)*(sZ-1)<<" polygons"<<std::endl;
}
out.close();
std::cout << "mtlFile "<<mtlFile.toStdString() << std::endl;
out.open(mtlFile.toStdString().c_str());
out << "# created by h005 SphereGenerator" << std::endl;
out << "newmtl wire_plane" << std::endl;
out << " Ns 32"<< std::endl;
out << " d 1"<< std::endl;
out << " Tr 0" << std::endl;
out << " Tf 1 1 1"<< std::endl;
out << " illum 2" << std::endl;
out << " Ka 0.7765 0.8824 0.3412"<< std::endl;
out << " Kd 0.7765 0.8824 0.3412"<< std::endl;
out << " Ks 0.3500 0.3500 0.3500"<< std::endl;
QFileInfo textureInfo(sTexture);
out << " map_Ka "<< textureInfo.fileName().toStdString() << std::endl;
out << " map_Kd "<< textureInfo.fileName().toStdString() << std::endl;
out.close();
}
DWORD PE::AddSection(LPBYTE pBuffer,DWORD dwSize,PCHAR pszSectionName)
{
//修改文件头中的区段数量
m_pNt->FileHeader.NumberOfSections++;
//增加区段表项
memset(m_pLastSection,0,sizeof(IMAGE_SECTION_HEADER));
//写入区段名
strcpy_s((char*)m_pLastSection->Name,IMAGE_SIZEOF_SHORT_NAME,pszSectionName);
//区段虚拟大小
DWORD dwVirtualSize=0;
//区段文件大小
DWORD dwSizeOfRawData=0;
//把文件加载到内存所需要的大小
DWORD dwSizeOfImage=m_pNt->OptionalHeader.SizeOfImage;
//取余 查看内存是否对齐
if (dwSizeOfImage%m_dwMemAlign)
{
// 取商再原来基础上+1 比如说dwSizeOfImage=1726 对齐粒度m_dwMemAlign=200
//此时dwSizeOfImage=1800
dwSizeOfImage=(dwSizeOfImage/m_dwMemAlign+1)*m_dwMemAlign;
}
else
{
dwSizeOfImage=(dwSizeOfImage/m_dwMemAlign)*m_dwMemAlign;
}
//区段对齐后的RVA(dwSize) /内存对齐粒度 m_dwMemAlign
if (dwSize%m_dwMemAlign)
{
dwVirtualSize=(dwSize/m_dwMemAlign+1)*m_dwMemAlign;
}
else
{
dwVirtualSize=(dwSize/m_dwMemAlign)*m_dwMemAlign;
}
//区段对齐后的RVA(dwSize) /文件对齐粒度 m_dwMemAlign
if (dwSize%m_dwFileAlign)
{
dwSizeOfRawData=(dwSize/m_dwFileAlign+1)*m_dwFileAlign;
}
else
{
dwSizeOfRawData=(dwSize/m_dwFileAlign)*m_dwFileAlign;
}
//获取到新的相对虚拟地址 RVA
m_pLastSection->VirtualAddress=(m_pLastSection[-1].VirtualAddress+(dwSize/m_dwMemAlign)*m_dwMemAlign);
//区段在文件中的偏移
m_pLastSection->PointerToRawData=m_dwFileSize;
//区段在文件中大小
m_pLastSection->SizeOfRawData=dwSizeOfRawData;
//区段在内存中大小
m_pLastSection->Misc.VirtualSize=dwVirtualSize;
//区段属性
m_pLastSection->Characteristics=0Xe0000040;
//增加 文件大小 创建文件 添加代码段 确定入口点
m_pNt->OptionalHeader.SizeOfImage=dwSizeOfImage+dwVirtualSize;
m_pNt->OptionalHeader.AddressOfEntryPoint=m_dwNewOEP+m_pLastSection->VirtualAddress;
//生成输出文件路径
CString strPath=m_objFIle.GetFilePath();
TCHAR SzOutPath[MAX_PATH]={0};
//获取文件后缀名
LPWSTR strSuffix=PathFindExtension(strPath);
//目标文件路径到SzOutPath
wcsncpy_s(SzOutPath,MAX_PATH,strPath,wcslen(strPath));
//移除后缀名
PathRemoveExtension(SzOutPath);
// 在路径最后附加“_1”
wcscat_s(SzOutPath,MAX_PATH,L"_1");
// 在路径最后附加刚刚保存的后缀名
wcscat_s(SzOutPath, MAX_PATH, strSuffix);
//创建文件
CFile objFile(SzOutPath,CFile::modeCreate|CFile::modeReadWrite);
objFile.Write(m_pFileBase,(DWORD)m_objFIle.GetLength());
//移到文件尾
objFile.SeekToEnd();
//将pBuffer 按照大小dwSize 写入文件
objFile.Write(pBuffer,dwSize);
//返回操作完成后的最后一个区段的相对虚拟地址 RAV
return m_pLastSection->VirtualAddress;
}
void ObjGPUData::loadObject(const char* fileName)
{
std::string folderName = fileName;
for(int i = folderName.size() - 1; i >= 0; i--)
{
if(folderName[i] == '/' || folderName[i] == '\\')
{
folderName = folderName.substr(0, i+1);
break;
}
if(i == 0)
folderName = "";
}
std::string objFileName = fileName;
std::string mtlFileName = fileName;
objFileName += ".obj";
mtlFileName += ".mtl";
std::ifstream mtlFile(mtlFileName.c_str(), std::ios::in);
if(!mtlFile.is_open())
{
printf("Failed to open object %s\n", objFileName.c_str());
exit(1);
}
std::string dataTypeString;
float xVal, yVal, zVal;
std::string valString;
std::stringstream valStream;
int iVal;
while(mtlFile >> dataTypeString)
{
mtlDataType mtlDataTypeVal = getMtlDataType(dataTypeString);
switch(mtlDataTypeVal)
{
case mtlDataType::mtlDataNEWMTL:
mtlFile >> valString;
materials.push_back(Material(valString));
valString.clear();
break;
case mtlDataType::mtlDataNS:
mtlFile >> xVal;
materials.back().shine = xVal;
break;
case mtlDataType::mtlDataKA:
mtlFile >> xVal;
mtlFile >> yVal;
mtlFile >> zVal;
materials.back().Ka = glm::vec3(xVal, yVal, zVal);
break;
case mtlDataType::mtlDataKD:
mtlFile >> xVal;
mtlFile >> yVal;
mtlFile >> zVal;
materials.back().Kd = glm::vec3(xVal, yVal, zVal);
break;
case mtlDataType::mtlDataKS:
mtlFile >> xVal;
mtlFile >> yVal;
mtlFile >> zVal;
materials.back().Ks = glm::vec3(xVal, yVal, zVal);
break;
case mtlDataType::mtlDataMAP:
{
if(materials.back().textureSet)
break;
getline(mtlFile, valString);
int fileNameLocation = valString.find_last_of("/\\");
if(fileNameLocation != -1)
valString = valString.substr(fileNameLocation + 1);
while(valString[0] == ' ' || valString[0] == '\t')
valString = valString.substr(1);
if(valString.size() < 4 || valString.substr(valString.size() - 4) != ".dds")
{
valString = valString.substr(0, valString.find_last_of('.') + 1);
valString += "dds";
}
materials.back().textureName = valString;
bool textureExists = false;
for(int i = 0; i < materials.size() - 1; i++)
{
if(materials[i].textureName == valString)
{
textureExists = true;
materials.back().texture = materials[i].texture;
break;
}
}
if(textureExists)
{
valString.clear();
break;
}
materials.back().texture = loadImage((folderName + valString).c_str());
materials.back().textureSet = true;
valString.clear();
break;
}
case mtlDataType::mtlDataBUMP:
{
if(materials.back().bumpSet)
break;
getline(mtlFile, valString);
int fileNameLocation = valString.find_last_of("/\\");
if(fileNameLocation != -1)
valString = valString.substr(fileNameLocation + 1);
while(valString[0] == ' ' || valString[0] == '\t')
valString = valString.substr(1);
if(valString.size() < 4 || valString.substr(valString.size() - 4) != ".dds")
{
valString = valString.substr(0, valString.find_last_of('.') + 1);
valString += "dds";
}
materials.back().bumpName = valString;
bool bumpExists = false;
for(int i = 0; i < materials.size() - 1; i++)
{
if(materials[i].bumpName == valString)
{
bumpExists = true;
materials.back().bump = materials[i].bump;
break;
}
}
if(bumpExists)
{
valString.clear();
break;
}
materials.back().bump = loadImage((folderName + valString).c_str());
materials.back().bumpSet = true;
valString.clear();
break;
}
default:
break;
}
}
mtlFile.close();
printf("Loading object %s... ", objFileName.c_str());
std::ifstream objFile(objFileName.c_str(), std::ios::in);
if(!objFile.is_open())
{
printf("Failed to open object %s\n", objFileName.c_str());
exit(1);
}
std::vector<glm::vec3> vList_in;
std::vector<glm::vec2> vTextureList_in;
std::vector<glm::vec3> vNormalList_in;
std::vector<GLuint> iVertex;
std::vector<GLuint> iTexture;
std::vector<GLuint> iNormal;
std::vector<unsigned int> materialIndices_in;
while(objFile >> dataTypeString)
{
dataType dataTypeVal = getDataType(dataTypeString);
switch(dataTypeVal)
{
case dataType::dataV:
objFile >> xVal;
objFile >> yVal;
objFile >> zVal;
vList_in.push_back(glm::vec3(xVal, yVal, zVal));
break;
case dataType::dataVT:
objFile >> xVal;
objFile >> yVal;
vTextureList_in.push_back(glm::vec2(xVal, yVal));
break;
case dataType::dataVN:
objFile >> xVal;
objFile >> yVal;
objFile >> zVal;
vNormalList_in.push_back(glm::vec3(xVal, yVal, zVal));
break;
case dataType::dataUSEMTL:
{
int index = -1;
objFile >> valString;
for(int i = 0; i < materials.size(); i++)
{
if(materials[i].materialName == valString)
{
index = i;
break;
}
}
if(index == -1)
exit(1);
valString.clear();
materialIndices_in.push_back(iVertex.size());
materialIndices_in.push_back(index);
break;
}
case dataType::dataF:
{
char lastChar;
for(int i = 0; i < 3; i++)
{
getline(objFile, valString, '/');
valStream << valString;
valString.clear();
valStream >> iVal;
valStream.str(std::string());
valStream.clear();
iVertex.push_back(iVal);
getline(objFile, valString, '/');
valStream << valString;
valString.clear();
valStream >> iVal;
valStream.str(std::string());
valStream.clear();
iTexture.push_back(iVal);
objFile >> iVal;
iNormal.push_back(iVal);
lastChar = objFile.get();
}
if(lastChar != '\n')
{
while(objFile.peek() == ' ' || objFile.peek() == '\t')
{
objFile.get();
}
if(objFile.peek() == '\n')
break;
iVertex.push_back(iVertex[iVertex.size() - 3]);
iTexture.push_back(iTexture[iTexture.size() - 3]);
iNormal.push_back(iNormal[iNormal.size() - 3]);
iVertex.push_back(iVertex[iVertex.size() - 2]);
iTexture.push_back(iTexture[iTexture.size() - 2]);
iNormal.push_back(iNormal[iNormal.size() - 2]);
getline(objFile, valString, '/');
valStream << valString;
valString.clear();
valStream >> iVal;
valStream.str(std::string());
valStream.clear();
iVertex.push_back(iVal);
getline(objFile, valString, '/');
valStream << valString;
valString.clear();
valStream >> iVal;
valStream.str(std::string());
valStream.clear();
iTexture.push_back(iVal);
objFile >> iVal;
iNormal.push_back(iVal);
}
break;
}
default:
break;
}
}
objFile.close();
int first, last;
std::map<FullVertex,unsigned int> vertexToOutIndex;
for(int k = 0; k < materialIndices_in.size()/2; ++k)
{
first = materialIndices_in[2*k];
if((2*k + 2) > (materialIndices_in.size() - 1))
last = iVertex.size();
else
last = materialIndices_in[2*k + 2];
materialIndices.push_back(fList.size());
materialIndices.push_back(materialIndices_in[2*k + 1]);
for(int i = first; i < last; i++)
{
FullVertex nextVertex = {vList_in[iVertex[i] - 1], vTextureList_in[iTexture[i] - 1], vNormalList_in[iNormal[i] - 1]};
std::map<FullVertex,unsigned int>::iterator vLocation = vertexToOutIndex.find(nextVertex);
if(vLocation == vertexToOutIndex.end())
{
vList.push_back(vList_in[iVertex[i]-1]);
vTextureList.push_back(vTextureList_in[iTexture[i]-1]);
vNormalList.push_back(vNormalList_in[iNormal[i]-1]);
vertexToOutIndex[nextVertex] = vList.size() - 1;
fList.push_back(vList.size() - 1);
}
else
{
fList.push_back(vLocation->second);
}
}
}
// Invert all texture v-coordinates for use with DXT compression textures
for(int i = 0; i < vTextureList.size(); i++)
{
vTextureList[i][1] = 1 - vTextureList[i][1];
}
// Generate tangent vectors for normals
// Sourced from http://www.terathon.com/code/tangent.html
std::vector<glm::vec3> tan1(vList.size());
std::vector<glm::vec3> tan2(vList.size());
for (unsigned int a = 0; a < fList.size(); a+=3)
{
GLuint i1 = fList[a + 0];
GLuint i2 = fList[a + 1];
GLuint i3 = fList[a + 2];
glm::vec3 v1 = vList[i1];
glm::vec3 v2 = vList[i2];
glm::vec3 v3 = vList[i3];
glm::vec2 w1 = vTextureList[i1];
glm::vec2 w2 = vTextureList[i2];
glm::vec2 w3 = vTextureList[i3];
float x1 = v2.x - v1.x;
float x2 = v3.x - v1.x;
float y1 = v2.y - v1.y;
float y2 = v3.y - v1.y;
float z1 = v2.z - v1.z;
float z2 = v3.z - v1.z;
float s1 = w2.x - w1.x;
float s2 = w3.x - w1.x;
float t1 = w2.y - w1.y;
float t2 = w3.y - w1.y;
float r = 1.0f / (s1 * t2 - s2 * t1);
glm::vec3 sdir((t2 * x1 - t1 * x2) * r, (t2 * y1 - t1 * y2) * r, (t2 * z1 - t1 * z2) * r);
glm::vec3 tdir((s1 * x2 - s2 * x1) * r, (s1 * y2 - s2 * y1) * r, (s1 * z2 - s2 * z1) * r);
tan1[i1] += sdir;
tan1[i2] += sdir;
tan1[i3] += sdir;
tan2[i1] += tdir;
tan2[i2] += tdir;
tan2[i3] += tdir;
}
for (unsigned int a = 0; a < vList.size(); a++)
{
glm::vec3 n = vNormalList[a];
glm::vec3 t = tan1[a];
// Gram-Schmidt orthogonalize
glm::vec4 tangent = glm::vec4(glm::normalize(t - n * glm::dot(n, t)), 0.0f);
// Calculate handedness
tangent.w = (glm::dot(glm::cross(n, t), tan2[a]) < 0.0f) ? -1.0f : 1.0f;
vTangentList.push_back(tangent);
}
printf("DONE\n");
return;
}
/**
* MyFrame::Compile
* This function compiles given src file. It calls MyFrame::GetCompileData to
* receave data.
* @param index about file from buffer list
* @return int 0 on success, 1 on failure
*/
int MyFrame::Compile ( int index ) {
//Safety checks
if ( !stc )
return 1;
if ( ProcessIsRunning )
return 1;
// these are used to get the first error
bool isFirstErrorFound = false;
wxString strFirstErrorFile;
int intFirstErrorLine;
// File that we are about to compile
wxFileName objFile( bufferList[ index ]->GetFileName() );
objFile.Normalize();
// Get compiler cmdline and check it. if empty return.
wxString strCompile( GetCompileData( index ) );
if( !strCompile.Len() )
return 1;
// Log compiler output and input
strCompilerOutput.Empty();
strCompilerOutput.Add("[bold]Command executed:[/bold]");
strCompilerOutput.Add(strCompile);
// If Active path is activated then set current working path
// to show to the location of the src file.
if( Prefs.ActivePath )
::wxSetWorkingDirectory( objFile.GetPath() );
// Execute fbc and retreave results.
wxArrayString arrOutput, arrErrOutput;
int intCompileResult = wxExecute( strCompile, arrOutput, arrErrOutput );
// if there was any output from fbc then get output messages and put them
// into console area
if ( arrOutput.Count() || arrErrOutput.Count() ) {
// define variables
wxString strOutput;
wxString strTemp;
wxFileName objOutputFile;
long intOutput;
long intLine;
int intBraceStart;
int intBraceEnd;
bool isOutputHeader = false;
wxString strDebug;
// Becouse fbc returns Outputs via both std and error channels,
// we need to join them here.
WX_APPEND_ARRAY( arrOutput, arrErrOutput );
// Putput logging:
strCompilerOutput.Add( "" );
strCompilerOutput.Add( "[bold]Compiler output:[/bold]" );
// Loop through arrOutput
for ( unsigned int cnt = 0; cnt < arrOutput.Count(); cnt++ ) {
if ( arrOutput[cnt].IsEmpty() )
continue;
// Log compiler output
strCompilerOutput.Add( arrOutput[cnt] );
intBraceStart = arrOutput[cnt].First( '(' );
intBraceEnd = arrOutput[cnt].First( ')' );
// if intBraceStart is not -1 then probably line number was found.
// as fbc returns things: file(linenumber): Error|Warning nr: Output message
// As it might be any message then test if first part is a filename.
// colon[:] - win32
// slash[/] -linux
#ifdef __WXMSW__
if( intBraceStart != -1 && intBraceEnd != -1 && arrOutput[cnt].GetChar(1) == ':' ) {
#else
if( intBraceStart != -1 && intBraceEnd != -1 && arrOutput[cnt].GetChar(0) == '/' ) {
#endif
// Get possible line and error number.
strTemp = arrOutput[cnt].Mid( intBraceStart + 1, intBraceEnd - intBraceStart - 1);
// if this is a number:
if ( strTemp.IsNumber() ) {
strTemp.ToLong( &intLine );
// Get possible file name and check if it is indeed a filename
objOutputFile = arrOutput[cnt].Left( intBraceStart );
objOutputFile.Normalize();
if ( objOutputFile.IsOk() && objOutputFile.FileExists() ) {
//Now that it's indeed is a filename, get line, error/warning number
//and Output message on that line
strTemp = arrOutput[cnt].Mid( intBraceEnd + 4 );
strTemp = strTemp.Mid( strTemp.Find( ' ' ) + 1 );
strOutput = strTemp.Mid( strTemp.Find( ':' ) + 2 );
strTemp = strTemp.Left( strTemp.Find( ':' ) );
strTemp.ToLong( &intOutput );
isOutputHeader = true;
}
}
}
// If is Output header ( includes filename, Output number and line number then
// add generated values. Else just add original message.
if( isOutputHeader ) {
isOutputHeader = false;
if ( intOutput == 0 )
intOutput = -1;
if ( !isFirstErrorFound ) {
strFirstErrorFile = objOutputFile.GetFullPath();
intFirstErrorLine = intLine;
isFirstErrorFound = true;
}
AddListItem(intLine, intOutput, objOutputFile.GetFullPath(), strOutput);
}
else {
// Replace all tabs.
arrOutput[cnt].Replace( "\t", " " );
AddListItem(-1, -1, "", arrOutput[cnt]);
}
}
// Open console area
if ( !HSplitter->IsSplit() ) {
HSplitter->SplitHorizontally( FBCodePanel, FBConsole, ConsoleSize );
FB_View->Check(Menu_Result, true);
}
}
else {
// Since there was no output then close console area
// -if no error then it is not needed.
if ( HSplitter->IsSplit() ) {
sptr(Resource) DecoderOBJ::decode(const std::string &path)
{
clear();
TextFile objFile(path);
std::string line;
do
{
line = objFile.getLine();
if (line == "END_OF_FILE")
break;
if (line.find("vt") != std::string::npos)
{ }
if (line.find("vn") != std::string::npos)
appendNormal(line);
if (line.find("vp") != std::string::npos)
{ }
if (line.at(0) == 'v')
appendVertex(line);
if (line.at(0) == 'f')
appendFace(line);
line.clear();
} while (line.empty());
if (faces.empty() || vertexList.empty())
{
syslog << "Unable to parse .obj file" << path << logwarn;
return sptr(Resource)();
}
auto newMesh = std::make_shared<rend::Mesh>();
triangulateModel();
rend::VertexBuffer vb;
vb.setType(rend::VertexBuffer::INDEXEDTRIANGLELIST);
vb.appendVertices(vertexList, resultTrianglesIndices, !normalsList.empty());
auto material = std::make_shared<rend::Material>();
material->plainColor = rend::Color3(255, 255, 255);
material->ambientColor = rend::Color3(255, 255, 255);
material->diffuseColor = rend::Color3(255, 255, 255);
material->shadeMode = rend::Material::SM_FLAT;
material->sideType = rend::Material::ONE_SIDE;
vb.setMaterial(material);
newMesh->appendSubmesh(vb);
auto newObject = std::make_shared<rend::SceneObject>(newMesh);
std::tr2::sys::path p(path);
newObject->setName(p.filename());
syslog << "Decoded obj-model \"" << newObject->getName()
<< "\". Number of vertices:" << newMesh->numVertices()
<< ". Number of faces:" << faces.size() << logmess;
return newObject;
}
int main(int argc, char** argv)
{
float scale = 0.1f;
float scaleTexV = -1.f;
std::vector<Object> objects;
std::ifstream inputFile(argv[1]);
if (!inputFile.is_open())
{
printf("Failed to open %s", argv[1]);
return -1;
}
if (argc != 3)
{
printf("Missing scene name");
return -1;
}
std::string sceneName = argv[2];
char line[1024];
std::vector<Vec3> positions;
std::vector<Vec3> normals;
std::vector<Vec2> texcoords;
Object* pActiveObj = nullptr;
SubObject* pActiveSubObject = nullptr;
int lineNum = 0;
while (inputFile.getline(line, 1024))
{
++lineNum;
char* context = nullptr;
char* tok = strtok_s(line, " ", &context);
if (!tok)
continue;
if (strcmp(tok, "v") == 0)
{
// Position
Vec3 pos;
pos.x = scale * (float)atof(strtok_s(nullptr, " ", &context));
pos.y = scale * (float)atof(strtok_s(nullptr, " ", &context));
pos.z = scale * (float)atof(strtok_s(nullptr, " ", &context));
positions.push_back(pos);
}
else if (strcmp(tok, "vn") == 0)
{
// Normal
Vec3 norm;
norm.x = (float)atof(strtok_s(nullptr, " ", &context));
norm.y = (float)atof(strtok_s(nullptr, " ", &context));
norm.z = (float)atof(strtok_s(nullptr, " ", &context));
normals.push_back(norm);
}
else if (strcmp(tok, "vt") == 0)
{
// Tex coord
Vec2 uv;
uv.x = (float)atof(strtok_s(nullptr, " ", &context));
uv.y = (float)atof(strtok_s(nullptr, " ", &context)) * scaleTexV;
texcoords.push_back(uv);
}
else if (strcmp(tok, "f") == 0)
{
// Face
Vertex faceVerts[4];
int numVerts = 0;
while (context[0] != 0)
{
Vertex& rVert = faceVerts[numVerts];
rVert.pos = atoi(strtok_s(nullptr, "/ ", &context)) - 1;
rVert.uv = atoi(strtok_s(nullptr, "/ ", &context)) - 1;
rVert.norm = atoi(strtok_s(nullptr, "/ ", &context)) - 1;
++numVerts;
}
if (numVerts == 3)
{
pActiveSubObject->verts.push_back(faceVerts[0]);
pActiveSubObject->verts.push_back(faceVerts[1]);
pActiveSubObject->verts.push_back(faceVerts[2]);
}
else if (numVerts == 4)
{
pActiveSubObject->verts.push_back(faceVerts[0]);
pActiveSubObject->verts.push_back(faceVerts[1]);
pActiveSubObject->verts.push_back(faceVerts[2]);
pActiveSubObject->verts.push_back(faceVerts[0]);
pActiveSubObject->verts.push_back(faceVerts[2]);
pActiveSubObject->verts.push_back(faceVerts[3]);
}
else
{
assert(false);
}
}
else if (strcmp(tok, "g") == 0)
{
objects.emplace_back();
pActiveObj = &objects.back();
pActiveObj->name = strtok_s(nullptr, " ", &context);
}
else if (strcmp(tok, "usemtl") == 0)
{
pActiveObj->subobjects.emplace_back();
pActiveSubObject = &pActiveObj->subobjects.back();
pActiveSubObject->material = strtok_s(nullptr, " ", &context);
}
}
Json::StyledStreamWriter jsonWriter;
Json::Value jSceneRoot(Json::objectValue);
// Camera
{
Json::Value jCamera(Json::objectValue);
Json::Value jPos(Json::arrayValue);
jPos[0] = 0.f;
jPos[1] = 5.f;
jPos[2] = 0.f;
jCamera["position"] = jPos;
Json::Value jRot(Json::arrayValue);
jRot[0] = 0.f;
jRot[1] = 0.f;
jRot[2] = 0.f;
jCamera["rotation"] = jRot;
jSceneRoot["camera"] = jCamera;
}
jSceneRoot["sky"] = "cloudy";
jSceneRoot["lights"] = Json::Value(Json::arrayValue);
Json::Value& jSceneObjects = jSceneRoot["objects"] = Json::Value(Json::arrayValue);
int numObjects = (int)objects.size();
for (int i = 0; i < numObjects; ++i)
{
const Object& obj = objects[i];
Vec3 minExtents = { FLT_MAX, FLT_MAX, FLT_MAX };
Vec3 maxExtents = { -FLT_MAX, -FLT_MAX, -FLT_MAX };
char str[256];
for (unsigned int n = 0; n < obj.subobjects.size(); ++n)
{
const SubObject& subobj = obj.subobjects[n];
for (unsigned int k = 0; k < subobj.verts.size(); ++k)
{
const Vertex& vert = subobj.verts[k];
const Vec3& pos = positions[vert.pos];
minExtents.x = min(minExtents.x, pos.x);
minExtents.y = min(minExtents.y, pos.y);
minExtents.z = min(minExtents.z, pos.z);
maxExtents.x = max(maxExtents.x, pos.x);
maxExtents.y = max(maxExtents.y, pos.y);
maxExtents.z = max(maxExtents.z, pos.z);
}
}
Vec3 center = { (maxExtents.x + minExtents.x) * 0.5f, minExtents.y, (maxExtents.z + minExtents.z) * 0.5f };
std::string objFilename = "output/" + obj.name + ".obj";
createDirectoryTreeForFile(objFilename);
std::ofstream objFile(objFilename);
assert(objFile.is_open());
int posCount = 0;
int uvCount = 0;
int normCount = 0;
for (unsigned int n = 0; n < obj.subobjects.size(); ++n)
{
const SubObject& subobj = obj.subobjects[n];
// Build the obj file
int posStart = INT_MAX;
int posEnd = 0;
int uvStart = INT_MAX;
int uvEnd = 0;
int normStart = INT_MAX;
int normEnd = 0;
for (unsigned int k = 0; k < subobj.verts.size(); ++k)
{
const Vertex& vert = subobj.verts[k];
posStart = min(posStart, vert.pos);
posEnd = max(posEnd, vert.pos);
uvStart = min(uvStart, vert.uv);
uvEnd = max(uvEnd, vert.uv);
normStart = min(normStart, vert.norm);
normEnd = max(normEnd, vert.norm);
}
// write positions
for (int k = posStart; k <= posEnd; ++k)
{
const Vec3& pos = positions[k];
sprintf_s(str, "v %f %f %f\n", (pos.x - center.x), (pos.y - center.y), (pos.z - center.z));
objFile.write(str, strlen(str));
}
// write uvs
for (int k = uvStart; k <= uvEnd; ++k)
{
const Vec2& uv = texcoords[k];
sprintf_s(str, "vt %f %f\n", uv.x, uv.y);
objFile.write(str, strlen(str));
}
// write normals
for (int k = normStart; k <= normEnd; ++k)
{
const Vec3& normal = normals[k];
sprintf_s(str, "vn %f %f %f\n", normal.x, normal.y, normal.z);
objFile.write(str, strlen(str));
}
// write material to use for this subobject
std::string materialName = sceneName + "/" + subobj.material;
sprintf_s(str, "usemtl %s\n", materialName.c_str());
objFile.write(str, strlen(str));
// write faces
for (unsigned int k = 0; k < subobj.verts.size(); k += 3)
{
const Vertex& vert1 = subobj.verts[k + 0];
const Vertex& vert2 = subobj.verts[k + 1];
const Vertex& vert3 = subobj.verts[k + 2];
sprintf_s(str, "f %d/%d/%d %d/%d/%d %d/%d/%d\n",
posCount + (vert1.pos - posStart + 1), uvCount + (vert1.uv - uvStart + 1), normCount + (vert1.norm - normStart + 1),
posCount + (vert2.pos - posStart + 1), uvCount + (vert2.uv - uvStart + 1), normCount + (vert2.norm - normStart + 1),
posCount + (vert3.pos - posStart + 1), uvCount + (vert3.uv - uvStart + 1), normCount + (vert3.norm - normStart + 1));
objFile.write(str, strlen(str));
}
posCount += (posEnd - posStart) + 1;
uvCount += (uvEnd - uvStart) + 1;
normCount += (normEnd - normStart) + 1;
}
objFile.close();
// Add instance to scene
Json::Value& jObj = jSceneObjects.append(Json::objectValue);
jObj["model"] = sceneName + "/" + obj.name;
Json::Value& jPos = jObj["position"] = Json::arrayValue;
jPos[0] = center.x; jPos[1] = center.y; jPos[2] = center.z;
Json::Value& jRot = jObj["rotation"] = Json::arrayValue;
jRot[0] = 0.f; jRot[1] = 0.f; jRot[2] = 0.f;
Json::Value& jScale = jObj["scale"] = Json::arrayValue;
jScale[0] = 1.f; jScale[1] = 1.f; jScale[2] = 1.f;
}
std::ofstream sceneFile("output/" + sceneName + ".scene");
jsonWriter.write(sceneFile, jSceneRoot);
}
void OBJExporter::Write( const char* relativePath, const char* basePath )
{
idStrStatic< MAX_OSPATH > convertedFileName = relativePath;
convertedFileName.SetFileExtension( ".obj" );
idFileLocal objFile( fileSystem->OpenFileWrite( convertedFileName, basePath ) );
convertedFileName.SetFileExtension( ".mtl" );
idFileLocal mtlFile( fileSystem->OpenFileWrite( convertedFileName, basePath ) );
int totalVerts = 0;
for( int g = 0; g < groups.Num(); g++ )
{
const OBJGroup& group = groups[g];
objFile->Printf( "g %s\n", group.name.c_str() );
for( int o = 0; o < group.objects.Num(); o++ )
{
const OBJObject& geometry = group.objects[o];
//objFile->Printf( "g %s\n", group.name.c_str() );
//objFile->Printf( "o %s\n", geometry.name.c_str() );
for( int i = 0; i < geometry.faces.Num(); i++ )
{
const OBJFace& face = geometry.faces[i];
for( int j = 0; j < face.verts.Num(); j++ )
{
const idVec3& v = face.verts[j].xyz;
objFile->Printf( "v %1.6f %1.6f %1.6f\n", v.x, v.y, v.z );
}
for( int j = 0; j < face.verts.Num(); j++ )
{
const idVec2& vST = face.verts[j].GetTexCoord();
objFile->Printf( "vt %1.6f %1.6f\n", vST.x, vST.y );
}
for( int j = 0; j < face.verts.Num(); j++ )
{
const idVec3& n = face.verts[j].GetNormal();
objFile->Printf( "vn %1.6f %1.6f %1.6f\n", n.x, n.y, n.z );
}
//objFile->Printf( "g %s\n", group.name.c_str() );
//objFile->Printf( "o %s\n", geometry.name.c_str() );
objFile->Printf( "usemtl %s\n", face.material->GetName() );
objFile->Printf( "f " );
//for( int j = 0; j < face.indexes.Num(); j++ )
// flip order for OBJ
for( int j = face.indexes.Num() - 1; j >= 0; j-- )
{
objFile->Printf( "%i/%i/%i ",
face.indexes[j] + 1 + totalVerts,
face.indexes[j] + 1 + totalVerts,
face.indexes[j] + 1 + totalVerts );
}
objFile->Printf( "\n\n" );
}
for( int i = 0; i < geometry.faces.Num(); i++ )
{
const OBJFace& face = geometry.faces[i];
totalVerts += face.verts.Num();
}
}
}
for( int i = 0; i < materials.Num(); i++ )
{
const idMaterial* material = materials[i];
mtlFile->Printf( "newmtl %s\n", material->GetName() );
if( material->GetFastPathDiffuseImage() )
{
idStr path = material->GetFastPathDiffuseImage()->GetName();
path.SlashesToBackSlashes();
path.DefaultFileExtension( ".tga" );
mtlFile->Printf( "\tmap_Kd //..\\..\\..\\%s\n", path.c_str() );
}
else if( material->GetEditorImage() )
{
idStr path = material->GetEditorImage()->GetName();
path.SlashesToBackSlashes();
path.DefaultFileExtension( ".tga" );
mtlFile->Printf( "\tmap_Kd //..\\..\\..\\%s\n", path.c_str() );
}
mtlFile->Printf( "\n" );
}
}
bool MeshManager::importObjMesh(const char* filename)
{
QElapsedTimer timer;
timer.start();
QFile objFile(filename);
if (!objFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
std::cerr << "could not find file: " << filename;
return false;
}
QTextStream stream(&objFile);
std::shared_ptr<GenericDataArray<float> > vertices = std::make_shared<GenericDataArray<float> >();
std::shared_ptr<GenericDataArray<unsigned int> > faces = std::make_shared<GenericDataArray<unsigned int> >();
std::shared_ptr<GenericDataArray<float> > uniqueNormals = std::make_shared<GenericDataArray<float> >();
std::vector<int> normalIndices;
while (!stream.atEnd()) {
QString linePrefix;
stream >> linePrefix;
QString line(stream.readLine());
if (linePrefix != "#") {
QStringList elements = line.split(' ', QString::SkipEmptyParts);
//read vertices
if (linePrefix == "v") {
GenericDataArray<float>::value_type vertexPosition;
vertexPosition[0] = elements.takeFirst().toFloat();
vertexPosition[1] = elements.takeFirst().toFloat();
vertexPosition[2] = elements.takeFirst().toFloat();
vertices->push_back(vertexPosition);
}
//read normals
if (linePrefix == "vn") {
GenericDataArray<float>::value_type normal;
normal[0] = elements.takeFirst().toFloat();
normal[1] = elements.takeFirst().toFloat();
normal[2] = elements.takeFirst().toFloat();
uniqueNormals->push_back(normal);
}
//read faces
else if (linePrefix == "f"){
GenericDataArray<unsigned int>::value_type face;
int i = 0;
while (!elements.isEmpty() && i < 3) {
QStringList faceElements = elements.takeFirst().split('/', QString::SkipEmptyParts);
if (faceElements.size() == 2) {
face[i] = faceElements.takeFirst().toInt() - 1;
normalIndices.push_back(faceElements.takeFirst().toInt() - 1);
}
else {
face[i] = faceElements.takeFirst().toInt() - 1;
}
++i;
}
faces->push_back(face);
}
}
}
std::shared_ptr<GenericDataArray<float> > normals;
//rearrange normals so that they can be accessed by the same index as vertices
if (!uniqueNormals->empty()) {
normals = std::make_shared<GenericDataArray<float> >(vertices->length());
for (unsigned int i = 0; i < faces->length(); ++i) {
for (unsigned int j = 0; j < 3; ++j) {
int vertexIndex = faces->at(i, j);
int normalIndex = normalIndices[i * 3 + j];
normals->at(vertexIndex) = uniqueNormals->at(normalIndex);
}
}
}
else {
normals = generateNormals(vertices, faces);
}
m_geomRoot = std::make_shared<sg::GroupNode>();
m_geomRoot->addChild(createGeometryNode(vertices, normals, faces));
std::cout << "Time: " << timer.elapsed() / 1000.0 << std::endl;
std::cout << "Vertices: " << vertices->length() << std::endl;
std::cout << "Faces: " << faces->length() << std::endl;
return true;
}
// CreateDynamicObjectNode
//------------------------------------------------------------------------------
bool ObjectListNode::CreateDynamicObjectNode( NodeGraph & nodeGraph, Node * inputFile, const AString & baseDir, bool isUnityNode, bool isIsolatedFromUnityNode )
{
const AString & fileName = inputFile->GetName();
// Transform src file to dst object path
// get file name only (no path, no ext)
const char * lastSlash = fileName.FindLast( NATIVE_SLASH );
lastSlash = lastSlash ? ( lastSlash + 1 ) : fileName.Get();
const char * lastDot = fileName.FindLast( '.' );
lastDot = lastDot && ( lastDot > lastSlash ) ? lastDot : fileName.GetEnd();
// if source comes from a directory listing, use path relative to dirlist base
// to replicate the folder hierearchy in the output
AStackString<> subPath;
if ( baseDir.IsEmpty() == false )
{
ASSERT( NodeGraph::IsCleanPath( baseDir ) );
if ( PathUtils::PathBeginsWith( fileName, baseDir ) )
{
// ... use everything after that
subPath.Assign( fileName.Get() + baseDir.GetLength(), lastSlash ); // includes last slash
}
}
else
{
if ( !m_BaseDirectory.IsEmpty() && PathUtils::PathBeginsWith( fileName, m_BaseDirectory ) )
{
// ... use everything after that
subPath.Assign( fileName.Get() + m_BaseDirectory.GetLength(), lastSlash ); // includes last slash
}
}
AStackString<> fileNameOnly( lastSlash, lastDot );
AStackString<> objFile( m_CompilerOutputPath );
objFile += subPath;
objFile += m_CompilerOutputPrefix;
objFile += fileNameOnly;
objFile += GetObjExtension();
// Create an ObjectNode to compile the above file
// and depend on that
Node * on = nodeGraph.FindNode( objFile );
if ( on == nullptr )
{
// determine flags - TODO:B Move DetermineFlags call out of build-time
const bool usingPCH = ( m_PrecompiledHeader != nullptr );
uint32_t flags = ObjectNode::DetermineFlags( m_Compiler, m_CompilerArgs, false, usingPCH );
if ( isUnityNode )
{
flags |= ObjectNode::FLAG_UNITY;
}
if ( isIsolatedFromUnityNode )
{
flags |= ObjectNode::FLAG_ISOLATED_FROM_UNITY;
}
uint32_t preprocessorFlags = 0;
if ( m_Preprocessor )
{
// determine flags - TODO:B Move DetermineFlags call out of build-time
preprocessorFlags = ObjectNode::DetermineFlags( m_Preprocessor, m_PreprocessorArgs, false, usingPCH );
}
on = nodeGraph.CreateObjectNode( objFile, inputFile, m_Compiler, m_CompilerArgs, m_CompilerArgsDeoptimized, m_PrecompiledHeader, flags, m_CompilerForceUsing, m_DeoptimizeWritableFiles, m_DeoptimizeWritableFilesWithToken, m_AllowDistribution, m_AllowCaching, m_Preprocessor, m_PreprocessorArgs, preprocessorFlags );
}
else if ( on->GetType() != Node::OBJECT_NODE )
{
FLOG_ERROR( "Node '%s' is not an ObjectNode (type: %s)", on->GetName().Get(), on->GetTypeName() );
return false;
}
else
{
ObjectNode * other = on->CastTo< ObjectNode >();
if ( inputFile != other->GetSourceFile() )
{
FLOG_ERROR( "Conflicting objects found:\n"
" File A: %s\n"
" File B: %s\n"
" Both compile to: %s\n",
inputFile->GetName().Get(),
other->GetSourceFile()->GetName().Get(),
objFile.Get() );
return false;
}
}
m_DynamicDependencies.Append( Dependency( on ) );
return true;
}
//parse file, send vertices and indices to node's mesh using setVertices and setIndices
objLoader::objLoader(string file, Node* node) {
ifstream objFile(file);
if (!objFile.is_open()) {
cout << "Could not open obj file." << endl;
}
else {
//only need to handle the lines starting with v/vn/f
while (!objFile.eof()) {
std::string line;
std::getline(objFile, line);
if (line.size() > 0) {
// vertices
if (line[0] == 'v' && line[1] == ' ') {
float vx, vy, vz;
sscanf_s(line.c_str() + 2, "%f %f %f", &vx, &vy, &vz);
vertices_obj.push_back(glm::vec3(vx, vy, vz));
}
// normals
if (line[0] == 'v' && line[1] == 'n') {
float nx, ny, nz;
sscanf_s(line.c_str() + 3, "%f %f %f", &nx, &ny, &nz);
normals_obj.push_back(glm::vec3(nx, ny, nz));
}
// triangular faces: v/vt, v/vt/vn, or v//vn
if (line[0] == 'f') {
//f v/vt v/vt v/vt
if (count(line.begin(), line.end(), '/') == 3) {
int v1, v2, v3;
int t1, t2, t3;
sscanf_s(line.c_str() + 2, "%i/%i %i/%i %i/%i",
&v1, &t1, &v2, &t2, &v3, &t3);
indices_obj.push_back(v1-1);
indices_obj.push_back(v2-1);
indices_obj.push_back(v3-1);
}
else {
std::size_t found = line.find("//");
//f v/vt/vn v/vt/vn v/vt/vn
if (found == std::string::npos) {
int v1, v2, v3;
int t1, t2, t3;
int n1, n2, n3;
sscanf_s(line.c_str() + 2, "%f/%f/%f %f/%f/%f %f/%f/%f",
&v1, &t1, &n1, &v2, &t2, &n2, &v3, &t3, &n3);
indices_obj.push_back(v1-1);
indices_obj.push_back(v2-1);
indices_obj.push_back(v3-1);
norm_indices_obj.push_back(n1-1);
norm_indices_obj.push_back(n2-1);
norm_indices_obj.push_back(n3-1);
}
//f v//vn v//vn v//vn
else {
int v1, v2, v3;
int n1, n2, n3;
sscanf_s(line.c_str() + 2, "%f//%f %f//%f %f//%f",
&v1, &n1, &v2, &n2, &v3, &n3);
indices_obj.push_back(v1-1);
indices_obj.push_back(v2-1);
indices_obj.push_back(v3-1);
norm_indices_obj.push_back(n1-1);
norm_indices_obj.push_back(n2-1);
norm_indices_obj.push_back(n3-1);
}
}
}
}
}
}
if (node->getGeometry()->getGeometryType() == 3) {
Mesh* shape = new Mesh();
shape->setVertices(vertices_obj);
shape->setIndices(indices_obj);
shape->setNormIndices(norm_indices_obj);
shape->buildGeometry();
node->setGeometry(shape);
}
}