public IList <KeyValuePair <uint, bool> > GetEdgesForConnectVertex(VertexEdgeItr vItr1, VertexEdgeItr vItr2)
{
IList <KeyValuePair <uint, bool> > eId2Dir = new List <KeyValuePair <uint, bool> >();;
uint uVId1 = vItr1.GetUseVertexId();
uint uVId2 = vItr2.GetUseVertexId();
if (!BRep.IsUseVertexId(uVId1))
{
return(eId2Dir);
}
if (!BRep.IsUseVertexId(uVId2))
{
return(eId2Dir);
}
if (uVId1 == uVId2)
{
return(eId2Dir);
}
if (vItr1.GetLoopId() != vItr2.GetLoopId())
{
return(eId2Dir);
}
uint hEId1 = vItr1.GetHalfEdgeId();
uint uLId1;
{
System.Diagnostics.Debug.Assert(BRep.IsHalfEdgeId(hEId1));
HalfEdge hE1 = BRep.GetHalfEdge(hEId1);
uLId1 = hE1.ULId;
System.Diagnostics.Debug.Assert(hE1.EId != 0);
}
uint hEId2 = vItr2.GetHalfEdgeId();
uint uLId2;
{
System.Diagnostics.Debug.Assert(BRep.IsHalfEdgeId(hEId2));
HalfEdge hE2 = BRep.GetHalfEdge(hEId2);
uLId2 = hE2.ULId;
System.Diagnostics.Debug.Assert(hE2.EId != 0);
}
if (uLId1 != uLId2)
{
return(eId2Dir);
}
uint hEId = hEId2;
while (true)
{
HalfEdge hE = BRep.GetHalfEdge(hEId);
eId2Dir.Add(new KeyValuePair <uint, bool>(hE.EId, hE.IsSameDir));
hEId = hE.FHEId;
if (hEId == hEId1)
{
break;
}
}
return(eId2Dir);
}
public ConnectVertexRes ConnectVertex(VertexEdgeItr vItr1, VertexEdgeItr vItr2, bool isLeftAddL)
{
ConnectVertexRes res = new ConnectVertexRes();
uint uVId1 = vItr1.GetUseVertexId();
uint uVId2 = vItr2.GetUseVertexId();
if (!BRep.IsUseVertexId(uVId1))
{
return(res);
}
if (!BRep.IsUseVertexId(uVId2))
{
return(res);
}
if (uVId1 == uVId2)
{
return(res);
}
res.VId1 = BRep.GetUseVertex(uVId1).VId;
res.VId2 = BRep.GetUseVertex(uVId2).VId;
if (vItr1.GetLoopId() != vItr2.GetLoopId())
{
return(res);
}
uint lId = vItr1.GetLoopId();
res.LId = lId;
uint hEId1 = vItr1.GetHalfEdgeId();
uint hEId2 = vItr2.GetHalfEdgeId();
uint uLId1;
bool isFloat1;
{
System.Diagnostics.Debug.Assert(BRep.IsHalfEdgeId(hEId1));
HalfEdge hE1 = BRep.GetHalfEdge(hEId1);
uLId1 = hE1.ULId;
System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(uLId1));
isFloat1 = (hE1.EId == 0);
}
uint uLId2;
bool isFloat2;
{
System.Diagnostics.Debug.Assert(BRep.IsHalfEdgeId(hEId2));
HalfEdge hE2 = BRep.GetHalfEdge(hEId2);
uLId2 = hE2.ULId;
System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(uLId2));
isFloat2 = (hE2.EId == 0);
}
if (uLId1 != uLId2)
{
if (isFloat1 && !isFloat2)
{
uint addHEId1;
if (!BRep.MEKLOneFloatingVertex(out addHEId1, hEId2, hEId1))
{
System.Diagnostics.Debug.Assert(false);
}
uint addEId = GetFreeKey(Edge2HalfEdge);
BRep.SetHalfEdgeEdgeId(addHEId1, addEId, false);
BRep.SetHalfEdgeEdgeId(hEId1, addEId, true);
Edge2HalfEdge.Add(addEId, hEId1);
System.Diagnostics.Debug.Assert(AssertValid());
res.AddEId = addEId;
return(res);
}
else if (isFloat2 && !isFloat1)
{
uint addHEId1;
if (!BRep.MEKLOneFloatingVertex(out addHEId1, hEId1, hEId2))
{
System.Diagnostics.Debug.Assert(false);
}
uint addEId = GetFreeKey(Edge2HalfEdge);
BRep.SetHalfEdgeEdgeId(addHEId1, addEId, true);
BRep.SetHalfEdgeEdgeId(hEId2, addEId, false);
Edge2HalfEdge.Add(addEId, addHEId1);
System.Diagnostics.Debug.Assert(AssertValid());
res.AddEId = addEId;
return(res);
}
else if (isFloat1 && isFloat2)
{
if (!BRep.MEKLTwoFloatingVertex(hEId1, hEId2))
{
System.Diagnostics.Debug.Assert(false);
}
uint addEId = GetFreeKey(Edge2HalfEdge);
BRep.SetHalfEdgeEdgeId(hEId1, addEId, true);
BRep.SetHalfEdgeEdgeId(hEId2, addEId, false);
Edge2HalfEdge.Add(addEId, hEId1);
System.Diagnostics.Debug.Assert(AssertValid());
res.AddEId = addEId;
return(res);
}
else
{
uint addHEId1;
uint addHEId2;
if (!BRep.MEKL(out addHEId1, out addHEId2, hEId1, hEId2))
{
System.Diagnostics.Debug.Assert(false);
}
uint addEId = GetFreeKey(Edge2HalfEdge);
BRep.SetHalfEdgeEdgeId(addHEId1, addEId, true);
BRep.SetHalfEdgeEdgeId(addHEId2, addEId, false);
Edge2HalfEdge.Add(addEId, addHEId1);
if (lId != 0)
{
uint parentULId1 = BRep.GetUseLoop(uLId1).ParentULId;
System.Diagnostics.Debug.Assert(parentULId1 != 0);
System.Diagnostics.Debug.Assert(Loop2UseLoop.ContainsKey(lId));
Loop2UseLoop[lId] = parentULId1;
}
else
{
}
System.Diagnostics.Debug.Assert(AssertValid());
res.AddEId = addEId;
return(res);
}
}
else if (uLId1 == uLId2)
{
uint addHEId1;
uint addHEId2;
uint addULId;
if (!BRep.MEL(out addHEId1, out addHEId2, out addULId, hEId1, hEId2))
{
System.Diagnostics.Debug.Assert(false);
}
System.Diagnostics.Debug.Assert(BRep.AssertValidUse() == 0);
uint addEId = GetFreeKey(Edge2HalfEdge);
BRep.SetHalfEdgeEdgeId(addHEId1, addEId, true);
BRep.SetHalfEdgeEdgeId(addHEId2, addEId, false);
Edge2HalfEdge.Add(addEId, addHEId1);
bool iflag = true;
if (lId == 0)
{
iflag = !isLeftAddL;
}
else
{
uint parentULId = Loop2UseLoop[lId];
if (uLId1 != parentULId)
{
if (isLeftAddL)
{
BRep.SwapUseLoop(addULId, uLId1);
BRep.SetUseLoopLoopId(addULId, lId);
BRep.AssertValidUse();
iflag = false;
}
else
{
}
}
else
{
}
}
uint addLId = GetFreeKey(Loop2UseLoop);
if (iflag)
{
Loop2UseLoop.Add(addLId, addULId);
BRep.SetUseLoopLoopId(addULId, addLId);
}
else
{
Loop2UseLoop.Add(addLId, uLId1);
BRep.SetUseLoopLoopId(uLId1, addLId);
}
System.Diagnostics.Debug.Assert(AssertValid());
res.AddEId = addEId;
res.AddLId = addLId;
res.IsLeftAddL = !iflag;
return(res);
}
System.Diagnostics.Debug.Assert(false);
return(res);
}