ccGenericPrimitive* ccGenericPrimitive::finishCloneJob(ccGenericPrimitive* primitive) const
{
if (primitive)
{
//'clone' vertices (everything but the points that are already here)
if (primitive->m_associatedCloud && m_associatedCloud && m_associatedCloud->size() == primitive->m_associatedCloud->size())
{
primitive->m_associatedCloud = m_associatedCloud->clone(primitive->m_associatedCloud);
primitive->m_associatedCloud->setName(m_associatedCloud->getName());
}
primitive->showNormals(normalsShown());
primitive->showColors(colorsShown());
primitive->showSF(sfShown());
//primitive->showMaterials(materialsShown());
//primitive->setName(getName()+QString(".clone"));
primitive->setVisible(isVisible());
primitive->setEnabled(isEnabled());
}
else
{
//if the calling primitive provide a null pointer, it means that the cloned version creation failed!
ccLog::Warning("[ccGenericPrimitive::clone] Not enough memory!");
}
return primitive;
}
void ccDrawableObject::getDrawingParameters(glDrawParams& params) const
{
//color override
if (isColorOverriden())
{
params.showColors=true;
params.showNorms=hasNormals() && normalsShown()/*false*/;
params.showSF=false;
}
else
{
params.showNorms = hasNormals() && normalsShown();
params.showSF = hasDisplayedScalarField() && sfShown();
//colors are not displayed if scalar field is displayed
params.showColors = !params.showSF && hasColors() && colorsShown();
}
}
void ccDrawableObject::toggleNormals()
{
showNormals(!normalsShown());
}
ccSubMesh* ccSubMesh::createNewSubMeshFromSelection(bool removeSelectedFaces, IndexMap* indexMap/*=0*/)
{
ccGenericPointCloud* vertices = getAssociatedCloud();
assert(vertices && m_associatedMesh);
if (!vertices || !m_associatedMesh)
{
return NULL;
}
ccGenericPointCloud::VisibilityTableType* verticesVisibility = vertices->getTheVisibilityArray();
if (!verticesVisibility || !verticesVisibility->isAllocated())
{
ccLog::Error(QString("[Sub-mesh %1] Internal error: vertex visibility table not instantiated!").arg(getName()));
return NULL;
}
//we count the number of remaining faces
unsigned triNum = m_triIndexes->currentSize();
unsigned visibleFaces = 0;
{
for (unsigned i=0; i<triNum; ++i)
{
const unsigned& globalIndex = m_triIndexes->getValue(i);
const CCLib::VerticesIndexes* tsi = m_associatedMesh->getTriangleVertIndexes(globalIndex);
//triangle is visible?
if ( verticesVisibility->getValue(tsi->i1) == POINT_VISIBLE
&& verticesVisibility->getValue(tsi->i2) == POINT_VISIBLE
&& verticesVisibility->getValue(tsi->i3) == POINT_VISIBLE)
{
++visibleFaces;
}
}
}
//nothing to do
if (visibleFaces == 0)
{
if (indexMap) //we still have to translate global indexes!
{
for (unsigned i=0; i<triNum; ++i)
{
unsigned globalIndex = m_triIndexes->getValue(i);
globalIndex = indexMap->getValue(globalIndex);
m_triIndexes->setValue(i,globalIndex);
}
}
return 0;
}
ccSubMesh* newSubMesh = new ccSubMesh(m_associatedMesh);
if (!newSubMesh->reserve(size()))
{
ccLog::Error("[ccSubMesh::createNewSubMeshFromSelection] Not enough memory!");
return NULL;
}
//create sub-mesh
{
unsigned lastTri = 0;
for (unsigned i=0; i<triNum; ++i)
{
unsigned globalIndex = m_triIndexes->getValue(i);
const CCLib::VerticesIndexes* tsi = m_associatedMesh->getTriangleVertIndexes(globalIndex);
if (indexMap) //translate global index?
globalIndex = indexMap->getValue(globalIndex);
//triangle is visible?
if ( verticesVisibility->getValue(tsi->i1) == POINT_VISIBLE
&& verticesVisibility->getValue(tsi->i2) == POINT_VISIBLE
&& verticesVisibility->getValue(tsi->i3) == POINT_VISIBLE)
{
newSubMesh->addTriangleIndex(globalIndex);
}
else if (removeSelectedFaces) //triangle is not visible? It stays in the original mesh!
{
//we replace the current triangle by the 'last' valid one
assert(lastTri <= i);
m_triIndexes->setValue(lastTri++,globalIndex);
}
}
//resize original mesh
if (removeSelectedFaces && lastTri < triNum)
{
if (lastTri == 0)
m_triIndexes->clear(true);
else
resize(lastTri);
m_bBox.setValidity(false);
notifyGeometryUpdate();
}
}
if (newSubMesh->size())
{
newSubMesh->setName(getName()+QString(".part"));
newSubMesh->resize(newSubMesh->size());
newSubMesh->setDisplay(getDisplay());
newSubMesh->showColors(colorsShown());
newSubMesh->showNormals(normalsShown());
newSubMesh->showMaterials(materialsShown());
newSubMesh->showSF(sfShown());
newSubMesh->enableStippling(stipplingEnabled());
newSubMesh->showWired(isShownAsWire());
}
else
{
assert(false);
delete newSubMesh;
newSubMesh = 0;
}
return newSubMesh;
}
