/* Sometimes it happens that we split the road too close to another segment. If that occur, the roads do glitch. In that case
* we remove one more segment up the road. This method is still glitchy, would need improvement. */
/* intersection - node outside the ellipse */
private bool nextSegmentInfo(WrappedSegment closeSegmentW, ref WrappedNode outerNodeW, ref Vector3 endDirection)
{
NetSegment closeSegment = closeSegmentW.Get;
//outerNodeId = 0;
//directions = new Vector3(0,0,0);
NetNode node = outerNodeW.Get;
int segmentcount = node.CountSegments();
/* If there is an intersection right behind the ellipse, we can't go on as we can merge only segments which are in fact
* only one road without an intersection. */
if (segmentcount != 2)
{
//Debug.Log("Ambiguous node.");
return(false);
}
/*string debugString = "Close segment id: " + closeSegmentId + "; ";
* for(int i = 0; i < 8; i++)
* {
* debugString += node.GetSegment(i) + ", ";
* }
* Debug.Log(debugString);*/
ushort nextSegmentId = NetUtil.GetNonzeroSegment(node, 0);
/* We need the segment that goes away from the ellipse, not the one we already have. */
if (closeSegmentW.Id == nextSegmentId)
{
//Debug.Log("Taking the other of the two segments. " + node.GetSegment(1));
nextSegmentId = NetUtil.GetNonzeroSegment(node, 1);
if (nextSegmentId == 0)
{
return(false);
}
}
NetSegment nextSegment = NetUtil.Segment(nextSegmentId);
ushort outerNodeId = nextSegment.m_startNode;
Vector3 directions = nextSegment.m_startDirection;
/* We need the node further away */
if (outerNodeId == outerNodeW.Id)
{
//Debug.Log("Taking the other of the nodes.");
outerNodeId = nextSegment.m_endNode;
directions = nextSegment.m_endDirection;
if (outerNodeId == 0)
{
return(false);
}
}
WrappedSegment nextSegmentW = networkDictionary.RegisterSegment(nextSegmentId);
// Release old
ToBeReleasedNodes.Add(outerNodeW);
ToBeReleasedSegments.Add(nextSegmentW);
// Return values
outerNodeW = networkDictionary.RegisterNode(outerNodeId);
endDirection = directions;
/* After merging the roads, we release the segment and intersection inbetween. When I was debugging this method, I tried to release them after
* everything is done. It might not be necessary.*/
return(true);
}
