private void ProccessLoopByPhase(KeyValuePair <long, bool[]> loopInfo)
{
for (byte phaseIndex = 0; phaseIndex < 3; phaseIndex++)
{
if (loopInfo.Value[phaseIndex])
{
long rightBranchLid = loopInfo.Key;
CVisitedBranch rightBranch = visitedBranches[rightBranchLid];
long downNodeLid = (long)rightBranch.DownNode[phaseIndex];
CVisitedNode downNode = visitedNodes[downNodeLid];
downNode.Loop = true;
long leftBranchLid = downNode.Parents[phaseIndex].First();
CVisitedBranch leftBranch = visitedBranches[leftBranchLid];
//Pronadji konturu
CContourScanner contourIterator = new CContourScanner();
contourIterator.Begin();
contourIterator.MarkContour(phaseIndex, leftBranch, rightBranch, visitedBranches, visitedNodes);
//Markiranje leve i desne strane petlje
CVisitedBranch branch; CVisitedNode node;
while (contourIterator.Next(out branch, out node, visitedNodes, phaseIndex) == true)
{
branch.Loop = true;
node.Loop = true;
}
}
}
}
public bool Next(out CVisitedBranch branch, out CVisitedNode node, Dictionary <long, CVisitedNode> visitedNodes, byte phaseIndex)
{
switch (sideOfContour)
{
case (sbyte)EContourSide.LEFT:
{
branch = branchInContour[0][index];
node = visitedNodes[branch.UpNode[phaseIndex]];
if (index < branchInContour[0].Count - 1)
{
index++;
}
else
{
sideOfContour = EContourSide.RIGHT;
index = branchInContour[1].Count - 1;
}
return(true);
}
case EContourSide.RIGHT:
{
branch = branchInContour[1][index];
node = visitedNodes[branch.UpNode[phaseIndex]];
if (index > 0)
{
index--;
}
else
{
sideOfContour = EContourSide.UNKNOWN;
}
return(true);
}
default:
{
node = null;
branch = null;
return(false);
}
}
}
private List <long> ProcessNodeInIsland(long upNodeInd, long phaseIndex)
{
// Dobavljaju se susedne grane i cvorovi iz odgovarajuceg reda matrice
List <Neighbour> neighbours = GetNeighboursFromMatrix(upNodeInd);
List <long> unvisitedNeighbours = new List <long>(neighbours.Count);
foreach (var neighbour in neighbours)
{
long branchLid = neighbour.Branch; //susedni cvor //grana koja spaja ta dva cvora
long downNodeLid = INDtoLID[(int)(neighbour.NodeIndex - phaseIndex)]; //susedni cvor
CVisitedBranch visitedBranch;
if (!visitedBranches.TryGetValue(branchLid, out visitedBranch)) // kreiraj ukoliko ne postoji
{
visitedBranch = new CVisitedBranch(branchLid);
visitedBranches.Add(branchLid, visitedBranch);
}
if (visitedBranch.Visited[phaseIndex]) // proveri da li je grana prethodno posecena
{
continue;
}
visitedBranch.Visited[phaseIndex] = true; // poseti granu u toj fazi
CVisitedNode visitedNode;
if (!visitedNodes.TryGetValue(downNodeLid, out visitedNode)) // u koliko cvor do sada nije uopste posecivan
{
visitedNode = new CVisitedNode(downNodeLid);
visitedNodes.Add(downNodeLid, visitedNode);
}
if (!visitedNode.Visited[phaseIndex]) //u koliko cvor do sada nije posecivan u fazi po kojoj se obradjuje
{
visitedNode.Visited[phaseIndex] = true; //poseti cvor
unvisitedNeighbours.Add(neighbour.NodeIndex); //susedi koji jos nisu procesuirani dodaju se u listu za obradu
}
}
return(unvisitedNeighbours);
}
public void MarkContour(byte phaseIndex, CVisitedBranch leftBranch, CVisitedBranch rightBranch, Dictionary <long, CVisitedBranch> visitedBranches, Dictionary <long, CVisitedNode> visitedNodes)
{
//LEVI KRAJ PETLJE
CVisitedBranch tempBranch = leftBranch;
branchInContour[0].Add(tempBranch);
CVisitedNode tempNode = visitedNodes[tempBranch.UpNode[phaseIndex]];
while (!(tempNode.Parents[phaseIndex].Count == 0))
{
tempBranch = visitedBranches[tempNode.Parents[phaseIndex].First()];
branchInContour[0].Add(tempBranch);
tempNode = visitedNodes[tempBranch.UpNode[phaseIndex]];
}
//DESNI KRAJ PETLJE
tempBranch = rightBranch;
branchInContour[1].Add(tempBranch);
tempNode = visitedNodes[tempBranch.UpNode[phaseIndex]];
while (!(tempNode.Parents[phaseIndex].Count == 0))
{
tempBranch = visitedBranches[tempNode.Parents[phaseIndex].First()];
tempNode = visitedNodes[tempBranch.UpNode[phaseIndex]];
if (!branchInContour[0].Contains(tempBranch))
{
branchInContour[1].Add(tempBranch);
}
else
{
int firstIndex = branchInContour[0].LastIndexOf(tempBranch);
int count = branchInContour[0].Count - firstIndex;
branchInContour[0].RemoveRange(firstIndex, count);
break;
}
}
}
private List <long> ProcessNeighboursInRoot(long upNodeInd, long phaseIndex, long rootLid)
{
// Dobavljaju se susedne grane i cvorovi iz odgovarajuceg reda matrice
List <Neighbour> neighbours = GetNeighboursFromMatrix(upNodeInd);
List <long> unvisitedNeigbours = new List <long>(neighbours.Count); // Neposeceni susedi datog cvora i faznost koju nose
foreach (var neighbour in neighbours)
{
long upNodeLid = INDtoLID[(int)(upNodeInd - phaseIndex)]; // Polazni cvor
long branchLid = neighbour.Branch; // Susedni cvor
long downNodeLid = INDtoLID[(int)(neighbour.NodeIndex - phaseIndex)]; // Grana koja spaja ta dva cvora
CVisitedBranch visitedBranch;
if (!visitedBranches.TryGetValue(branchLid, out visitedBranch)) // Ukoliko grana ne postoji u evidenciji
{
visitedBranch = new CVisitedBranch(branchLid);
visitedBranches.Add(branchLid, visitedBranch); // tada ju je potrebno dodati
}
if (visitedBranch.Visited[phaseIndex]) // Provera da li je grana prethodno posecena
{
continue;
}
// Proverava se da sused nije korenski cvor
CheckAndReportRootsInParallel(downNodeLid, rootLid);
// Obrada susedne grane
visitedBranch.Visited[phaseIndex] = true; // Poseti granu za tu fazu
visitedBranch.OwnerCircuit[phaseIndex] = rootLid; // Obelezi koren kome pripada
visitedBranch.UpNode[phaseIndex] = upNodeLid; // Odredi gornji i donji cvor grane
visitedBranch.DownNode[phaseIndex] = downNodeLid;
visitedBranch.PrevInRoot[phaseIndex] = previousBranch[phaseIndex].Lid; // Povezi prethodnu i narednu granu u sloju
previousBranch[phaseIndex].NextInRoot[phaseIndex] = branchLid;
previousBranch[phaseIndex] = visitedBranch; // Trenutna grana ce biti prethodna grana narednoj grani
CVisitedNode visitedNode;
if (!visitedNodes.TryGetValue(downNodeLid, out visitedNode)) // Ukoliko cvor ne postoji u evidenciji...
{
visitedNode = new CVisitedNode(downNodeLid);
visitedNodes.Add(downNodeLid, visitedNode); // ...tada ga je potrebno dodati
}
//DODAVANJE NEOBRADJENOG CVORA U GRUPU
if (!visitedNode.Visited[phaseIndex]) // Ukoliko susedni cvor do sada nije posecivan u fazi po kojoj se obradjuje
{
visitedNode.Visited[phaseIndex] = true; // Poseti cvor
visitedNode.OwnerCircuit[phaseIndex] = rootLid; // Obelezi koren kojem pripada
unvisitedNeigbours.Add(neighbour.NodeIndex); //susedi koji jos nisu do sada procesuirani se dodaju u listu za obradu
}
//OBELEZAVANJE PETLJI
//Ukoliko je cvor vec ranije posecen preko iste faze to je jasan pokazatelj postojanja petlje (cvor smo vec prethodno posetili preko neke druge grane)
else
{
ReportLoop(branchLid, phaseIndex);
}
// Zabelezi susedne grane za gornji i donji cvor
visitedNode.Parents[phaseIndex].Add(branchLid);
visitedNodes[upNodeLid].Children[phaseIndex].Add(branchLid);
}
return(unvisitedNeigbours);
}