Multiblock objects can be cloned.

Author: SteveMaas1978

GeomLib/GMultiBox.cpp

@@ -49,6 +49,9 @@ GMultiBox::GMultiBox(GObject *po) : GObject(GMULTI_BLOCK)
 	// copy the name
 	SetName(po->GetName());
 
+	// copy the transform
+	GetTransform() = po->GetTransform();
+
 	// creating a new object has increased the object counter
 	// so we need to decrease it again
 	GItem_T<GBaseObject>::DecreaseCounter();
@@ -64,7 +67,7 @@ GMultiBox::GMultiBox(GObject *po) : GObject(GMULTI_BLOCK)
 	bool b = mb->BuildMultiBlock(); assert(b);
 
 	// copy it to the multiblock mesh
-	mbMesher->SetMultiBlockMesh(*mb);
+	mbMesher->CopyFrom(*mb);
 
 	// next, we pull the geometry info from the multiblock 
 	// --- Nodes ---
@@ -306,11 +309,16 @@ bool GMultiBox::DeletePart(GPart* pg)
 	FEMultiBlockMesher* mbMesher = dynamic_cast<FEMultiBlockMesher*>(GetFEMesher()); assert(mbMesher);
 
 	// Get the multiblock mesh
-	FEMultiBlockMesh& mb = mbMesher->GetMultiBlockMesh();
-	mb.DeleteBlock(lid);
+	mbMesher->DeleteBlock(lid);
 
 	// rebuild the GMesh
 	BuildGMesh();
 
 	return true;
 }
+
+GObject* GMultiBox::Clone()
+{
+	GMultiBox* clone = new GMultiBox(this);
+	return clone;
+}

GeomLib/GMultiBox.h

@@ -43,4 +43,5 @@ class GMultiBox : public GObject
 
 	FEMeshBase* GetEditableMesh() override;
 
+	GObject* Clone() override;
 };

MeshTools/FEMultiBlockMesh.cpp

@@ -79,7 +79,7 @@ void FEMultiBlockMesh::operator = (const FEMultiBlockMesh& mb)
 //-----------------------------------------------------------------------------
 void FEMultiBlockMesh::CopyFrom(const FEMultiBlockMesh& mb)
 {
-	Clear();
+	ClearMB();
 	m_MBNode = mb.m_MBNode;
 	m_MBEdge = mb.m_MBEdge;
 	m_MBFace = mb.m_MBFace;
@@ -1747,22 +1747,18 @@ FEMultiBlockMesher::FEMultiBlockMesher(GMultiBox* po) : m_po(po)
 	AddIntParam(0, "elem", "Element Type")->SetEnumNames("Hex8\0Hex20\0Hex27\0");
 }
 
-void FEMultiBlockMesher::SetMultiBlockMesh(const FEMultiBlockMesh& mb)
+bool FEMultiBlockMesher::BuildMultiBlock()
 {
-	m_mb = mb;
-}
-
-FEMultiBlockMesh& FEMultiBlockMesher::GetMultiBlockMesh()
-{
-	return m_mb;
+	// we assume that the MB is valid
+	return true;
 }
 
 FEMesh* FEMultiBlockMesher::BuildMesh()
 {
 	if (m_po == nullptr) return nullptr;
 	GMultiBox& o = *m_po;
 
-	FEMultiBlockMesh& mb = m_mb;
+	FEMultiBlockMesh& mb = *this;
 	int nd = GetIntValue(DIVS);
 	for (int i = 0; i < mb.Blocks(); ++i)
 	{
@@ -1787,5 +1783,5 @@ FEMesh* FEMultiBlockMesher::BuildMesh()
 		assert(false);
 	}
 
-	return m_mb.BuildMesh();
+	return FEMultiBlockMesh::BuildMesh();
 }

MeshTools/FEMultiBlockMesh.h

@@ -395,19 +395,17 @@ class Sampler1D
 
 class GMultiBox;
 
-class FEMultiBlockMesher : public FEMesher
+class FEMultiBlockMesher : public FEMultiBlockMesh
 {
 	enum { DIVS, ELEM_TYPE };
 
 public:
 	FEMultiBlockMesher(GMultiBox* po);
 
-	void SetMultiBlockMesh(const FEMultiBlockMesh& mb);
-
-	FEMultiBlockMesh& GetMultiBlockMesh();
-
 	// build the mesh
-	FEMesh* BuildMesh();
+	FEMesh* BuildMesh() override;
+
+	bool BuildMultiBlock() override;
 
 private:
 	GMultiBox* m_po;