GLC_3DRep GLC_Factory::createPointCloud(const QList<GLC_Point3df>& pointList, const QColor& color)
{
GLC_PointCloud* pPointCloud= new GLC_PointCloud();
pPointCloud->addPoint(pointList);
pPointCloud->setWireColor(color);
return GLC_3DRep(pPointCloud);
}
GLC_3DRep GLC_Factory::createPointCloud(const GLfloatVector& data, const QColor& color)
{
GLC_PointCloud* pPointCloud= new GLC_PointCloud();
pPointCloud->addPoint(data);
pPointCloud->setWireColor(color);
return GLC_3DRep(pPointCloud);
}
//! Create 3DRep from a Lib3dsNode
GLC_3DRep GLC_3dsToWorld::create3DRep(Lib3dsMesh* p3dsMesh)
{
QString meshName(p3dsMesh->name);
if (m_LoadedMeshes.contains(meshName))
{
// This mesh as been already loaded
QList<GLC_3DViewInstance*> instancesList(m_pWorld->collection()->instancesHandle());
GLC_3DViewInstance* pCurrentInstance= NULL;
int currentIndex= -1;
do
{
pCurrentInstance= instancesList[++currentIndex];
} while (pCurrentInstance->name() != meshName);
// return an instance.
//qDebug() << "instance";
return pCurrentInstance->representation();
}
GLC_Mesh * pMesh= new GLC_Mesh();
pMesh->setName(p3dsMesh->name);
// The mesh normals
const int normalsNumber= p3dsMesh->faces * 3;
Lib3dsVector *normalL= new Lib3dsVector[normalsNumber];
lib3ds_mesh_calculate_normals(p3dsMesh, normalL);
// Position vector
QVector<float> position(normalsNumber * 3);
// Normal Vector
QVector<float> normal(normalsNumber * 3);
memcpy((void*)normal.data(), normalL, normalsNumber * 3 * sizeof(float));
// Texel Vector
QVector<float> texel;
if (p3dsMesh->texels > 0)
{
texel.resize(normalsNumber * 2);
}
int normalIndex= 0;
for (unsigned int i= 0; i < p3dsMesh->faces; ++i)
{
IndexList triangleIndex;
Lib3dsFace *p3dsFace=&p3dsMesh->faceL[i];
for (int i=0; i < 3; ++i)
{
triangleIndex.append(normalIndex);
// Add vertex coordinate
memcpy((void*)&(position.data()[normalIndex * 3]), &p3dsMesh->pointL[p3dsFace->points[i]], 3 * sizeof(float));
// Add texel
if (p3dsMesh->texels > 0)
{
memcpy((void*)&(texel.data()[normalIndex * 2]), &p3dsMesh->texelL[p3dsFace->points[i]], 2 * sizeof(float));
}
++normalIndex;
}
// Load the material
// The material current face index
GLC_Material* pCurMaterial= NULL;
if (p3dsFace->material[0])
{
Lib3dsMaterial* p3dsMat=lib3ds_file_material_by_name(m_pLib3dsFile, p3dsFace->material);
if (NULL != p3dsMat)
{
// Check it this material as already been loaded
const QString materialName(p3dsFace->material);
if (!m_Materials.contains(materialName))
{ // Material not already loaded, load it
loadMaterial(p3dsMat);
}
pCurMaterial= m_Materials.value(materialName);
}
}
pMesh->addTriangles(pCurMaterial, triangleIndex);
}
pMesh->addVertice(position);
pMesh->addNormals(normal);
if (p3dsMesh->texels > 0)
{
pMesh->addTexels(texel);
}
// free normal memmory
delete[] normalL;
// Compute loading progress
++m_CurrentMeshNumber;
m_CurrentQuantumValue = static_cast<int>((static_cast<double>(m_CurrentMeshNumber) / m_NumberOfMeshes) * (100 - m_InitQuantumValue)) + m_InitQuantumValue;
if (m_CurrentQuantumValue > m_PreviousQuantumValue)
{
emit currentQuantum(m_CurrentQuantumValue);
}
m_PreviousQuantumValue= m_CurrentQuantumValue;
pMesh->finish();
return GLC_3DRep(pMesh);
}
