//data loading
bool ModelData::LoadIn(QString filepath)
{
bool loaderReady;
bool abort;
STLTri* pLoadedTri = NULL;
Triangle3D newtri;
this->filepath = filepath;
if(filepath.isEmpty())
return false;
//extract filename from path!
filename = QFileInfo(filepath).fileName();
B9ModelLoader mLoader(filepath,loaderReady,NULL);
if(loaderReady == false)//error opening model data
{
//display Loader Error
QMessageBox msgBox;
msgBox.setText(mLoader.GetError());
msgBox.exec();
return false;
}
//make a progress bar and connect it to
LoadingBar loadbar(0,100);
loadbar.useCancelButton(false);
loadbar.setDescription("Importing: " + filename);
QObject::connect(&mLoader,SIGNAL(PercentCompletedUpdate(qint64,qint64)),
&loadbar,SLOT(setProgress(qint64,qint64)));
//now we are ready to walk the loader through reading each triangle
//and copying it into the this model data.
while(mLoader.LoadNextTri(pLoadedTri,abort))
{
if(abort)
{
//display Loader abort error
QMessageBox msgBox;
msgBox.setText(mLoader.GetError());
msgBox.exec();
return false;
}
else
{
//newtri.normal.setX(pLoadedTri->nx);
//newtri.normal.setY(pLoadedTri->ny);
//newtri.normal.setZ(pLoadedTri->nz);
newtri.vertex[0].setX(pLoadedTri->x0);
newtri.vertex[0].setY(pLoadedTri->y0);
newtri.vertex[0].setZ(pLoadedTri->z0);
newtri.vertex[1].setX(pLoadedTri->x1);
newtri.vertex[1].setY(pLoadedTri->y1);
newtri.vertex[1].setZ(pLoadedTri->z1);
newtri.vertex[2].setX(pLoadedTri->x2);
newtri.vertex[2].setY(pLoadedTri->y2);
newtri.vertex[2].setZ(pLoadedTri->z2);
//use right hand rule for importing normals - ignore file normals..
newtri.UpdateNormalFromGeom();
delete pLoadedTri;
newtri.UpdateBounds();
triList.push_back(newtri);
}
}
qDebug() << "Loaded triangles: " << triList.size();
//now center it!
CenterModel();
//generate a normal display lists.
int displaySuccess = FormNormalDisplayLists();
if(displaySuccess)
return true;
else
return false;
}
//data loading
bool ModelData::LoadIn(QString filepath)
{
unsigned int m;
unsigned int t;
unsigned int i;
Triangle3D newtri;
const struct aiFace* face;
this->filepath = filepath;
if(filepath.isEmpty())
return false;
//extract filename from path!
filename = QFileInfo(filepath).baseName();
//AI_CONFIG_PP_FD_REMOVE = aiPrimitiveType_POINTS | aiPrimitiveType_LINES;
pScene = aiImportFile(filepath.toAscii(), aiProcess_Triangulate);// | aiProcess_JoinIdenticalVertices); //trian
if(pScene == NULL)//assimp cant handle the file - lets try our own reader.
{
//display Assimp Error
QMessageBox msgBox;
msgBox.setText("Assimp Error: " + QString().fromAscii(aiGetErrorString()));
msgBox.exec();
aiReleaseImport(pScene);
return false;
}
qDebug() << "Model imported with " << pScene->mMeshes[0]->mNumFaces << " faces.";
for (m = 0; m < pScene->mNumMeshes; m++)
{
const aiMesh* mesh = pScene->mMeshes[m];
for (t = 0; t < mesh->mNumFaces; t++)
{
face = &mesh->mFaces[t];
if(face->mNumIndices == 3)
{
for(i = 0; i < face->mNumIndices; i++)
{
int index = face->mIndices[i];
newtri.normal.setX(mesh->mNormals[index].x);
newtri.normal.setY(mesh->mNormals[index].y);
newtri.normal.setZ(mesh->mNormals[index].z);
newtri.vertex[i].setX(mesh->mVertices[index].x);
newtri.vertex[i].setY(mesh->mVertices[index].y);
newtri.vertex[i].setZ(mesh->mVertices[index].z);
}
newtri.UpdateBounds();
triList.push_back(newtri);
}
}
}
aiReleaseImport(pScene);
qDebug() << "Loaded triangles: " << triList.size();
//now center it!
CenterModel();
//generate a displaylist
int displayerror = FormDisplayList();
//check for errors in display list creation (if its a large model the card may run out of memory.
if(displayerror){
while(displayerror)//loop and see if there are additional errors as well.
{
//display Assimp Error
qDebug() << "Display List Error: " << displayerror; //write to log as well.
QMessageBox msgBox;
switch(displayerror)
{
case GL_OUT_OF_MEMORY:
msgBox.setText("OpenGL Error: GL_OUT_OF_MEMORY\nModel is too large to render on your graphics card.");
break;
case GL_INVALID_ENUM:
msgBox.setText("OpenGL Error: GL_INVALID_ENUM");
break;
case GL_INVALID_VALUE:
msgBox.setText("OpenGL Error: GL_INVALID_VALUE");
break;
case GL_INVALID_FRAMEBUFFER_OPERATION:
msgBox.setText("OpenGL Error: GL_INVALID_FRAMEBUFFER_OPERATION");
break;
case GL_STACK_UNDERFLOW:
msgBox.setText("OpenGL Error: GL_STACK_UNDERFLOW");
break;
case GL_STACK_OVERFLOW:
msgBox.setText("OpenGL Error: GL_STACK_OVERFLOW");
break;
default:
break;
}
msgBox.exec();
displayerror = glGetError();
}
return false;
}
return true;
}