/// <summary>
/// Constructor
/// </summary>
/// <param name="node">The original trainpath node</param>
/// <param name="isAFromNode">In a reconnect path, is this the junction from which to connect, or the junction to which to connect</param>
/// <param name="isConnectingForward">Is this node connecting forwards (along the path) or not</param>
public ConnectableNode(TrainpathNode node, bool isAFromNode, bool isConnectingForward)
{
OriginalNode = node;
IsFrom = isAFromNode;
IsConnectingForward = isConnectingForward;
DetermineJunction();
}
/// <summary>
/// Link the various nodes to each other. Do some initial processing on the path, like finding linking TVNs
/// and determining whether junctions are facing or not.
/// </summary>
/// <param name="patFile">Patfile object containing the various unprocessed Track Path Nodes</param>
/// <param name="Nodes">The list of as-of-yet unlinked processed path nodes</param>
static private void LinkNodes(PathFile patFile, List <TrainpathNode> Nodes)
{
// Connect the various nodes to each other
for (int i = 0; i < Nodes.Count; i++)
{
TrainpathNode node = Nodes[i];
TrPathNode tpn = patFile.TrPathNodes[i];
// find TvnIndex to next main node.
if (tpn.HasNextMainNode)
{
node.NextMainNode = Nodes[(int)tpn.nextMainNode];
node.NextMainNode.PrevNode = node;
node.NextMainTvnIndex = node.FindTvnIndex(node.NextMainNode);
}
// find TvnIndex to next siding node
if (tpn.HasNextSidingNode)
{
node.NextSidingNode = Nodes[(int)tpn.nextSidingNode];
if (node.NextSidingNode.PrevNode == null)
{
node.NextSidingNode.PrevNode = node;
}
node.NextSidingTvnIndex = node.FindTvnIndex(node.NextSidingNode);
}
if (node.NextMainNode != null && node.NextSidingNode != null)
{
node.NodeType = TrainpathNodeType.SidingStart;
}
}
}
/// <summary>
/// Can a node in a path be reversed without breaking something?
/// </summary>
/// <param name="node"></param>
/// <returns></returns>
private static bool CanReverse(TrainpathNode node)
{
bool outgoingAllowsReversal;
if (node.NextSidingNode != null)
{ // if there is a siding node, this is a siding start (probably) and things become too complex
outgoingAllowsReversal = false;
}
else
{
if (node.NextMainNode == null)
{ // no next main node, so we are fine with reversing
outgoingAllowsReversal = true;
}
else
{
outgoingAllowsReversal = node.NextMainNode.IsBroken || (node.NextMainTvnIndex == -1);
}
}
bool incomingAllowsReversal;
if (node.PrevNode == null)
{
incomingAllowsReversal = true;
}
else
{
incomingAllowsReversal = node.PrevNode.IsBroken || (node.PrevNode.NextMainTvnIndex == -1);
}
return(incomingAllowsReversal && outgoingAllowsReversal);
}
/// <summary>
/// Calculate the number of this node in the total path. FirstNode is 1.
/// </summary>
/// <param name="node">Node for which to calculate the number</param>
/// <returns>The sequential number of the node in the path. -1 if not found</returns>
public int GetNodeNumber(TrainpathNode node)
{
// first backup till we are on main track.
int nodesOnSidingPath = 0;
while (node.NextMainNode == null)
{
node = node.PrevNode;
nodesOnSidingPath++;
if (node == null)
{
return(-1);
}
}
int nodesOnMainPath = 1;
TrainpathNode mainNode = FirstNode;
while (mainNode != null && mainNode != node)
{
nodesOnMainPath++;
mainNode = mainNode.NextMainNode;
}
if (mainNode == null)
{
return(-1);
}
return(nodesOnSidingPath + nodesOnMainPath);
}
/// <summary>
/// Determine the orientation of the current node, by using the previousNode as well as the TVN that links the
/// previous node with this node.
/// </summary>
/// <param name="previousNode">previouse node</param>
/// <param name="linkingTvnIndex">the index of the Track Vector Node linking the previous node to this node</param>
public override void DetermineOrientation(TrainpathNode previousNode, int linkingTvnIndex)
{
// the TVN is from the previous node, so backwards. Therefore:reverse
if (DetermineOrientationSucceeded(linkingTvnIndex, true))
{
return;
}
// if it did not succeed, most likely previous node is broken.
// Retry with next main or siding TVN. This will fail for the last node, so be it.)
if (NextSidingNode != null)
{
linkingTvnIndex = NextSidingTvnIndex;
}
if (NextMainNode != null)
{
linkingTvnIndex = NextMainTvnIndex;
} // might override result from previous line
if (DetermineOrientationSucceeded(linkingTvnIndex, false)) // no reverse needed
{
return;
}
// nothing seems to work. Get default value, unless it is broken
if (IsBroken)
{
return;
}
DetermineOrientationSucceeded(TrailingTvn, IsFacingPoint);
}
/// <summary>
/// Constructor where location is copied from the given traveller
/// </summary>
/// <param name="otherNode">just another node to have access to trackDB and tsectiondat</param>
/// <param name="traveller">The traveller that contains the exact location and distance on track to initialize the node</param>
public TrainpathVectorNode(TrainpathNode otherNode, Traveller traveller)
: base(otherNode)
{
CopyDataFromTraveller(traveller);
Location = traveller.WorldLocation; // Not part of CopyDataFromTraveller
ForwardOriented = true; // only initial setting
}
/// <summary>
/// Try to fix all broken nodes. Even if a node cannot be fixed, do try to fix the others.
/// </summary>
/// <returns>Whether all nodes were fixed and hence the path is now fine</returns>
public bool AutoFixAllBrokenNodes()
{
bool fixSucceeded = true;
int nodeToTry = 0;
Collection <TrainpathNode> brokenNodes = CurrentTrainPath.GetBrokenNodes();
EditorActionAutoFixBrokenNodes actionFixBroken = new EditorActionAutoFixBrokenNodes();
EditorActionFixInvalidNode actionFixInvalid = new EditorActionFixInvalidNode();
while (CurrentTrainPath.IsBroken && (nodeToTry < brokenNodes.Count))
{
brokenNodes = CurrentTrainPath.GetBrokenNodes();
TrainpathNode nodeToFix = brokenNodes[nodeToTry];
bool canExecuteBroken = actionFixBroken.MenuState(CurrentTrainPath, nodeToFix, null, UpdateAfterEdits, 0, 0);
bool canExecuteInvalid = actionFixInvalid.MenuState(CurrentTrainPath, nodeToFix, null, UpdateAfterEdits, 0, 0);
if (canExecuteBroken)
{
actionFixBroken.DoAction();
brokenNodes = CurrentTrainPath.GetBrokenNodes();
}
else if (canExecuteInvalid)
{
actionFixInvalid.DoAction();
brokenNodes = CurrentTrainPath.GetBrokenNodes();
}
else
{
fixSucceeded = false;
nodeToTry++;
}
}
return(fixSucceeded);
}
/// <summary>
/// Try to find the index of the vector node connecting this path node to the (given) nextNode.
/// </summary>
/// <returns>The index of the vector node connection, or -1</returns>
public override int FindTvnIndex(TrainpathNode nextNode)
{
TrainpathVectorNode nextAsVectorNode = nextNode as TrainpathVectorNode;
if (nextAsVectorNode != null)
{ // from junction to vector node.
if (this.ConnectsToTrack(nextAsVectorNode.TvnIndex))
{
return(nextAsVectorNode.TvnIndex);
}
else
{ //node is perhaps not broken, but connecting track is
return(-1);
}
}
//both this node and the next node are junctions: find the vector node connecting them.
//Probably this can be faster, by just finding the TrPins from this and next junction and find the common one.
int nextJunctionIndex = (nextNode as TrainpathJunctionNode).JunctionIndex;
for (int i = 0; i < TrackDB.TrackNodes.Count(); i++)
{
TrackNode tn = TrackDB.TrackNodes[i];
if (tn == null || tn.TrVectorNode == null)
{
continue;
}
if ((tn.JunctionIndexAtStart() == this.JunctionIndex && tn.JunctionIndexAtEnd() == nextJunctionIndex) ||
(tn.JunctionIndexAtEnd() == this.JunctionIndex && tn.JunctionIndexAtStart() == nextJunctionIndex))
{
return(i);
}
}
return(-1);
}
/// <summary>
/// Make sure the junction nodes of have the exact location of the junctions in the track database.
/// This is to make sure changes in the track database are taken over in the path
/// </summary>
void SnapAllJunctionNodes()
{
TrainpathNode mainNode = CurrentTrainPath.FirstNode;
while (mainNode != null)
{
//siding path. For this routine we do not care if junctions are done twice
TrainpathNode sidingNode = mainNode.NextSidingNode;
while (sidingNode != null)
{
TrainpathJunctionNode sidingNodeAsJunction = sidingNode as TrainpathJunctionNode;
if ((sidingNodeAsJunction != null) && !sidingNode.IsBroken)
{
sidingNode.Location = DrawTrackDB.UidLocation(trackDB.TrackNodes[sidingNodeAsJunction.JunctionIndex].UiD);
}
sidingNode = sidingNode.NextSidingNode;
}
TrainpathJunctionNode mainNodeAsJunction = mainNode as TrainpathJunctionNode;
if ((mainNodeAsJunction != null) && !mainNode.IsBroken)
{
mainNode.Location = DrawTrackDB.UidLocation(trackDB.TrackNodes[mainNodeAsJunction.JunctionIndex].UiD);
}
mainNode = mainNode.NextMainNode;
}
}
/// <summary>
/// Add an additional node, from the current last node along the next TrackNodeVector (given by index)
/// The added node will always be a junction node.
/// </summary>
/// <param name="lastNode">Currently last node of path</param>
/// <param name="nextTvnIndex">TrackNodeVector index along which to place the track</param>
/// <param name="isMainPath">Are we adding a node on the main path (alternative is passing path)</param>
/// <returns>The newly created junction path node</returns>
TrainpathJunctionNode AddAdditionalJunctionNode(TrainpathNode lastNode, int nextTvnIndex, bool isMainPath)
{
// we add a new activeNodeAsJunction
TrainpathJunctionNode newNode = new TrainpathJunctionNode(lastNode);
if (TrackExtensions.TrackNode(nextTvnIndex) == null)
{
return(null); // apparently there is some issue in the track.
}
newNode.JunctionIndex = lastNode.GetNextJunctionIndex(nextTvnIndex);
newNode.SetLocationFromTrackNode();
// simple linking
newNode.PrevNode = lastNode;
if (isMainPath)
{
lastNode.NextMainTvnIndex = nextTvnIndex;
lastNode.NextMainNode = newNode;
}
else
{
lastNode.NextSidingTvnIndex = nextTvnIndex;
lastNode.NextSidingNode = newNode;
}
newNode.SetFacingPoint();
newNode.DetermineOrientation(lastNode, nextTvnIndex);
NetNodesAdded++;
return(newNode);
}
/// <summary>
/// Find all nodes that are the end of a siding (so where main path and siding path come together again)
/// </summary>
private void FindSidingEnds()
{
TrainpathNode curSidingEnd = null; // if we are still looking for a sidingEnd
for (TrainpathNode curMainNode = FirstNode; curMainNode != null; curMainNode = curMainNode.NextMainNode)
{
if (curSidingEnd != null)
{
if (curMainNode == curSidingEnd)
{ // end of siding
curSidingEnd = null;
}
else
{
curMainNode.HasSidingPath = true;
}
}
TrainpathNode curSidingNode = curMainNode.NextSidingNode;
while (curSidingNode != null && curSidingNode.NextSidingNode != null)
{
curSidingNode = curSidingNode.NextSidingNode;
}
if (curSidingNode != null)
{
curSidingEnd = curSidingNode;
curSidingEnd.NodeType = TrainpathNodeType.SidingEnd;
curMainNode.HasSidingPath = true;
}
}
}
/// <summary>
/// Create the initial list of nodes from the patFile. No linking or preoccessing
/// </summary>
/// <param name="patFile">Patfile object containing the various unprocessed Track Path Nodes</param>
/// <param name="Nodes">The list that is going to be filled with as-of-yet unlinked and almost unprocessed path nodes</param>
private void CreateNodes(PathFile patFile, List <TrainpathNode> Nodes)
{
foreach (TrPathNode tpn in patFile.TrPathNodes)
{
Nodes.Add(TrainpathNode.CreatePathNode(tpn, patFile.TrackPDPs[(int)tpn.fromPDP], trackDB, tsectionDat));
}
FirstNode = Nodes[0];
FirstNode.NodeType = TrainpathNodeType.Start;
}
/// <summary>
/// Add zero or more additional main nodes
/// </summary>
/// <param name="lastNode">currently last node</param>
/// <param name="numberOfNodesToAdd">The number of nodes to add</param>
public void AddAdditionalMainNodes(TrainpathNode lastNode, int numberOfNodesToAdd)
{
int wantedNetNodesAdded = NetNodesAdded + numberOfNodesToAdd;
while (NetNodesAdded < wantedNetNodesAdded && lastNode != null)
{
lastNode = AddAdditionalNode(lastNode, true);
}
}
/// <summary>
/// Add the fromNode and toNode to the list of drawn nodes indexed for the trackindex
/// </summary>
/// <param name="fromNode">The starting node of a drawn path-section</param>
/// <param name="toNode">The end node of a drawn path-section</param>
public void NoteAsDrawn(TrainpathNode fromNode, TrainpathNode toNode)
{
if (!DrawnTrackIndexes.ContainsKey(fromNode.NextMainTvnIndex))
{
DrawnTrackIndexes[fromNode.NextMainTvnIndex] = new List<TrainpathNode>();
}
DrawnTrackIndexes[fromNode.NextMainTvnIndex].Add(fromNode);
DrawnTrackIndexes[fromNode.NextMainTvnIndex].Add(toNode);
}
/// <summary>
/// Find all broken nodes of a path
/// </summary>
/// <returns>A collection of the broken nodes</returns>
public Collection <TrainpathNode> GetBrokenNodes()
{
var brokenNodes = new Collection <TrainpathNode>();
if (FirstNode == null)
{
return(brokenNodes);
}
TrainpathNode currentMainNode = FirstNode;
while (currentMainNode.NextMainNode != null)
{
if (currentMainNode.IsBroken)
{
brokenNodes.Add(currentMainNode);
}
else if (currentMainNode.NextMainTvnIndex == -1)
{
brokenNodes.Add(currentMainNode.NextMainNode);
}
else
{
// For siding paths, it is difficult to get the right main node to draw until
// Most important however is that at least IsBroken is set correctly
TrainpathNode currentSidingNode = currentMainNode;
while (currentSidingNode.NextSidingNode != null)
{
if (currentSidingNode.NextSidingNode.IsBroken)
{
brokenNodes.Add(currentMainNode.NextMainNode); // we cannot draw until a sidingNode
}
if (currentSidingNode.NextSidingTvnIndex == -1)
{
brokenNodes.Add(currentMainNode.NextMainNode);
}
currentSidingNode = currentSidingNode.NextSidingNode;
if (currentSidingNode.NextSidingNode == null &&
currentSidingNode.NodeType != TrainpathNodeType.SidingEnd)
{ // The end of a siding track while still not on siding end
brokenNodes.Add(currentMainNode.NextMainNode);
}
}
}
currentMainNode = currentMainNode.NextMainNode;
}
if (currentMainNode.IsBroken)
{ //for last node
brokenNodes.Add(currentMainNode);
}
return(brokenNodes);
}
/// <summary>
/// Add information from Trainpaths
/// </summary>
/// <param name="trackViewer"></param>
private void AddTrainpathStatus(TrackViewer trackViewer)
{
if (Properties.Settings.Default.statusShowTrainpath && (trackViewer.PathEditor != null))
{
if (trackViewer.PathEditor.HasValidPath)
{
//gather some info on path status
List <string> statusItems = new List <string>();
if (trackViewer.PathEditor.HasEndingPath)
{
statusItems.Add("good end");
}
if (trackViewer.PathEditor.HasBrokenPath)
{
statusItems.Add("broken");
}
if (trackViewer.PathEditor.HasModifiedPath)
{
statusItems.Add("modified");
}
if (trackViewer.PathEditor.HasStoredTail)
{
statusItems.Add("stored tail");
}
string pathStatus = String.Join(", ", statusItems.ToArray());
ORTS.TrackViewer.Editing.TrainpathNode curNode = trackViewer.PathEditor.CurrentNode;
statusAdditional.Text += string.Format(System.Globalization.CultureInfo.CurrentCulture,
" {0} ({4}): TVNs=[{1} {2}] (type={3})",
trackViewer.PathEditor.FileName, curNode.NextMainTvnIndex, curNode.NextSidingTvnIndex,
curNode.NodeType, pathStatus);
if (curNode.IsBroken)
{
statusAdditional.Text += string.Format(System.Globalization.CultureInfo.CurrentCulture,
" Broken: {0} ", curNode.BrokenStatusString());
}
TrainpathVectorNode curVectorNode = curNode as TrainpathVectorNode;
if (curVectorNode != null && curNode.NodeType == TrainpathNodeType.Stop)
{
statusAdditional.Text += string.Format(System.Globalization.CultureInfo.CurrentCulture,
" (wait-time={0}s)",
curVectorNode.WaitTimeS);
}
}
else
{
statusAdditional.Text += "Invalid path";
}
}
}
/// <summary>
/// Reverse the path, including the metadata.
/// Assumption is that it is not broken, and that both start and end are given
/// </summary>
public void ReversePath()
{
this.PathId = "new";
string oldStart = this.PathStart;
this.PathStart = this.PathEnd;
this.PathEnd = oldStart;
this.PathName += " (reversed)";
List <TrainpathNode> mainNodes = new List <TrainpathNode>();
// Create list of nodes, in new order
TrainpathNode currentMainNode = this.FirstNode;
mainNodes.Add(currentMainNode);
while (currentMainNode.NextMainNode != null)
{
mainNodes.Add(currentMainNode.NextMainNode);
currentMainNode = currentMainNode.NextMainNode;
}
mainNodes.Reverse();
int lastIndex = mainNodes.Count() - 1; // we now this is at least 1
//new start
this.FirstNode = mainNodes[0];
mainNodes[0].NextMainNode = mainNodes[1];
mainNodes[0].NextMainTvnIndex = mainNodes[1].NextMainTvnIndex; // note main TVN index was in reverse direction
mainNodes[0].PrevNode = null;
mainNodes[0].ReverseOrientation();
mainNodes[0].NodeType = TrainpathNodeType.Start;
//all intermediate nodes
for (int i = 1; i < lastIndex; i++)
{
mainNodes[i].NextMainNode = mainNodes[i + 1];
mainNodes[i].NextMainTvnIndex = mainNodes[i + 1].NextMainTvnIndex; // note main TVN index was in reverse direction
mainNodes[i].PrevNode = mainNodes[i - 1];
if (mainNodes[i].NodeType != TrainpathNodeType.Reverse)
{ // reverse nodes have input and output swapped, but they are not changed themselves!
mainNodes[i].ReverseOrientation();
}
if (mainNodes[i].NodeType == TrainpathNodeType.SidingStart)
{
ReverseSidingPath(mainNodes[i]);
}
}
//new end
mainNodes[lastIndex].NextMainNode = null;
mainNodes[lastIndex].PrevNode = mainNodes[lastIndex - 1];
mainNodes[lastIndex].ReverseOrientation();
mainNodes[lastIndex].NodeType = TrainpathNodeType.End;
}
/// <summary>
/// Draw the tail, and the connection to the tail from the last drawn node
/// </summary>
/// <param name="drawArea">Area to draw upon</param>
/// <param name="colors">Colors to use for drawing</param>
/// <param name="lastDrawnNode">Last drawn node, used as a starting point of connecting dashed line. Can be null</param>
/// <param name="firstTailNode">Node where the tail starts</param>
private void DrawTail(DrawArea drawArea, ColorScheme colors, TrainpathNode lastDrawnNode, TrainpathNode firstTailNode)
{
if (firstTailNode == null) return;
if (lastDrawnNode != null)
{
drawArea.DrawDashedLine(1f, colors.BrokenPath, lastDrawnNode.Location, firstTailNode.Location);
}
DrawNodeItself(drawArea, firstTailNode);
drawArea.DrawTexture(firstTailNode.Location, "ring", 8f, 7, colors.BrokenPath);
}
/// <summary>
/// Perform a deep copy of a path consisting of linked nodes
/// </summary>
/// <param name="curFirstNode">First node of the current path</param>
/// <returns>First node of the copied path</returns>
static TrainpathNode DeepCopyOfLinkedNodes(TrainpathNode curFirstNode)
{
if (curFirstNode == null)
{
return(null);
}
TrainpathNode newFirstNode = curFirstNode.ShallowCopyNoLinks();
TrainpathNode curMainNode = curFirstNode;
TrainpathNode newMainNode = newFirstNode;
TrainpathNode curSidingNode = null;
TrainpathNode newSidingNode = null;
TrainpathNode newNextMainNode;
while (curMainNode.NextMainNode != null)
{
// in case there is a passing path, follow that first.
// At the end of the path, curSidingNode will be the main Node to link again to
if (curMainNode.NextSidingNode != null)
{
curSidingNode = curMainNode;
newSidingNode = newMainNode;
while (curSidingNode.NextSidingNode != null)
{
newSidingNode.NextSidingNode = curSidingNode.NextSidingNode.ShallowCopyNoLinks();
newSidingNode.NextSidingNode.PrevNode = newSidingNode;
curSidingNode = curSidingNode.NextSidingNode;
newSidingNode = newSidingNode.NextSidingNode;
}
}
if (curSidingNode == curMainNode.NextMainNode)
{
// We need to relink to the end of a siding path. The corresponding node has already been created
newNextMainNode = newSidingNode;
curSidingNode = null; // no linking needed anymore
}
else
{
newNextMainNode = curMainNode.NextMainNode.ShallowCopyNoLinks();
}
newNextMainNode.PrevNode = newMainNode;
newMainNode.NextMainNode = newNextMainNode;
curMainNode = curMainNode.NextMainNode;
newMainNode = newMainNode.NextMainNode;
}
return(newFirstNode);
}
/// <summary>
/// Check the next and the previous nodes on whether they are disambiguity node, and if yes, remove them.
/// </summary>
/// <param name="keepNode">The (vector) node to keep</param>
public void CleanAmbiguityNodes(TrainpathNode keepNode)
{
TrainpathNode[] nodesToCheck = { keepNode.PrevNode, keepNode.NextMainNode };
foreach (TrainpathNode node in nodesToCheck)
{
if (node != null &&
node.NodeType == TrainpathNodeType.Other &&
node is TrainpathVectorNode)
{
RemoveIntermediatePoint(node);
}
}
}
/// <summary>
/// Try to find a connection between two given nodes. Depth-first search via main track at junctions.
/// Also reversing the start or reconnectNode is tried, in case one of these nodes has a non-defined orientation
/// because both before and after the node the path is broken.
/// </summary>
/// <param name="fromNode">Node at which the reconnection should start</param>
/// <param name="toNode">Node at which the reconnection should end</param>
/// <param name="firstTvnIndex">In case defined, the index of the first TVN the path has to follow</param>
/// <returns>True if a connection has been found</returns>
public bool FindConnection(TrainpathNode fromNode, TrainpathNode toNode, int?firstTvnIndex)
{
// We try to find a connection between two non-broken nodes.
// We store the connection as a stack of linking tvns (track-node-vector-indexes)
// The connection will only contain junctions (apart from maybe start and end=reconnect nodes)
autoConnectFromNode = new ConnectableNode(fromNode, true, true);
autoConnectToNodeOptions = new ReconnectNodeOptions(true);
autoConnectToNodeOptions.AddNode(toNode, false); // only one option here
return(FindConnectionFromTo(firstTvnIndex, false));
}
/// <summary>
/// Draw the current path node texture, showing what kind of node it is
/// </summary>
/// <param name="drawArea">area to Draw upon</param>
/// <param name="trainpathNode">current node for which we need to draw our texture</param>
/// <param name="isLastNode">Is this the last node that will be drawn?</param>
private void DrawNodeItself(DrawArea drawArea, TrainpathNode trainpathNode, bool isLastNode)
{
float pathPointSize = 7f; // in meters
int minPixelSize = 7;
int maxPixelSize = 24;
float angle = trainpathNode.TrackAngle;
Color colorMain = isLastNode ? this.ColorSchemeLast.TrackStraight : ColorSchemeMain.TrackStraight;
Color colorSiding = this.ColorSchemeSiding.TrackStraight;
Color colorBroken = this.ColorSchemeMain.BrokenNode;
switch (trainpathNode.NodeType)
{
case TrainpathNodeType.Start:
// first node; texture is not rotated
drawArea.DrawTexture(trainpathNode.Location, "pathStart", pathPointSize, minPixelSize, maxPixelSize, colorMain);
break;
case TrainpathNodeType.End:
// formal end node; texture is not rotated
drawArea.DrawTexture(trainpathNode.Location, "pathEnd", pathPointSize, minPixelSize, maxPixelSize, colorMain);
break;
case TrainpathNodeType.Reverse:
drawArea.DrawTexture(trainpathNode.Location, "pathReverse", pathPointSize, minPixelSize, maxPixelSize, colorMain, angle);
break;
case TrainpathNodeType.Stop:
drawArea.DrawTexture(trainpathNode.Location, "pathWait", pathPointSize, minPixelSize, maxPixelSize, colorMain);
break;
case TrainpathNodeType.Temporary:
drawArea.DrawTexture(trainpathNode.Location, "crossedRing", pathPointSize, minPixelSize, maxPixelSize, colorBroken);
break;
default:
bool isSidingNode = (trainpathNode.NextMainNode == null) &&
((trainpathNode.NextSidingNode != null) || trainpathNode.IsBroken); // The IsBroken condition should indicate a dangling siding node
Color normalColor = (isSidingNode) ? colorSiding : colorMain;
drawArea.DrawTexture(trainpathNode.Location, "pathNormal", pathPointSize, minPixelSize, maxPixelSize, normalColor, angle);
break;
}
if (trainpathNode.IsBroken)
{
drawArea.DrawTexture(trainpathNode.Location, "crossedRing", pathPointSize, minPixelSize, maxPixelSize, colorBroken);
}
//drawArea.DrawExpandingString(trainpathNode.Location, trainpathNode.NodeType.ToString()); //debug only
}
/// <summary>
/// Remove a intermediate vector node. Possibly add a disambiguity node if needed.
/// </summary>
/// <param name="currentNode">Node to be removed</param>
public void RemoveIntermediatePoint(TrainpathNode currentNode)
{
TrainpathNode prevNode = currentNode.PrevNode;
prevNode.NextMainNode = currentNode.NextMainNode;
prevNode.NextSidingNode = null; // should not be needed
//lastNodeSidingPath.NextMainTvnIndex should be the same still
if (prevNode.NextMainNode != null)
{ // there might not be a next node.
prevNode.NextMainNode.PrevNode = prevNode;
}
NetNodesAdded--;
AddDisambiguityNodeIfNeeded(prevNode);
}
/// <summary>
/// Add a new vector node at the given location in the middle of a path
/// </summary>
/// <param name="nodeCandidate"></param>
/// <returns>The just created node</returns>
public TrainpathVectorNode AddIntermediateMainNode(TrainpathVectorNode nodeCandidate)
{
TrainpathNode prevNode = nodeCandidate.PrevNode;
TrainpathNode nextNode = prevNode.NextMainNode;
TrainpathVectorNode newNode = AddAdditionalVectorNode(prevNode, nodeCandidate, true);
newNode.NextMainNode = nextNode;
newNode.NextSidingNode = null; // should not be needed
nextNode.PrevNode = newNode;
CleanAmbiguityNodes(newNode);
return(newNode);
}
/// <summary>
/// Determine whether this node is earlier on a track than the given otherNode. Earlier here is defined
/// in terms of the track orientation itself (so not in terms of the direction of a path).
/// </summary>
/// <param name="otherNode">Other node to compare against</param>
/// <returns>true if this node is earlier on the track.</returns>
public bool IsEarlierOnTrackThan(TrainpathNode otherNode)
{
TrainpathJunctionNode otherJunctionNode = otherNode as TrainpathJunctionNode;
if (otherJunctionNode != null)
{
return(otherJunctionNode.JunctionIndex == TrackDB.TrackNodes[TvnIndex].JunctionIndexAtEnd());
}
TrainpathVectorNode otherVectorNode = otherNode as TrainpathVectorNode;
return((TrackVectorSectionIndex < otherVectorNode.TrackVectorSectionIndex) ||
((TrackVectorSectionIndex == otherVectorNode.TrackVectorSectionIndex) &&
(TrackSectionOffset < otherVectorNode.TrackSectionOffset)));
}
/// <summary>
/// Check if after this node a disambiguity node needs to be added
/// </summary>
/// <param name="currentNode"></param>
public void AddDisambiguityNodeIfNeeded(TrainpathNode currentNode)
{
//Check if we need to add an disambiguity node
TrainpathJunctionNode currentNodeAsJunction = currentNode as TrainpathJunctionNode;
if ((currentNodeAsJunction != null) &&
(currentNode.NextMainNode != null) &&
(currentNode.NextMainNode is TrainpathJunctionNode) &&
(currentNodeAsJunction.IsSimpleSidingStart())
)
{
TrainpathVectorNode halfwayNode = CreateHalfWayNode(currentNodeAsJunction, currentNodeAsJunction.NextMainTvnIndex);
halfwayNode.PrevNode = currentNode;
AddIntermediateMainNode(halfwayNode);
}
}
/// <summary>
/// Determine the orientation of the current node, by using the previousNode as well as the TVN that links the
/// previous node with this node.
/// </summary>
/// <param name="previousNode">previouse node</param>
/// <param name="linkingTvnIndex">the index of the Track Vector Node linking the previous node to this node</param>
public override void DetermineOrientation(TrainpathNode previousNode, int linkingTvnIndex)
{
if (IsBroken)
{ // do not update the orientation. Just use default
return;
}
// this is a non-junction node. linkingTvnIndex should be the same as TvnIndex.
ForwardOriented = !this.IsEarlierOnTrackThan(previousNode);
if (NodeType == TrainpathNodeType.Reverse)
{ // since direction is determined from previous node, after a reversal the direction is changed
// needs to be done after checking with previous node
ReverseOrientation();
}
}
/// <summary>
/// Add a single TrPathNode. Make sure the pdp's are updated as needed.
/// </summary>
/// <param name="node">path node, needed for location, and various flags</param>
/// <param name="nextMainIndex">Index of the next main node</param>
/// <param name="nextSidingIndex">Index of the next siding node</param>
private static void AddNode(TrainpathNode node, uint nextMainIndex, uint nextSidingIndex)
{
int pdpIndex;
string trackPDPstart = String.Format(System.Globalization.CultureInfo.InvariantCulture,
"\tTrackPDP ( {0,6:D} {1,6:D} {2,9} {3,9:F3} {4,9:F3}",
node.Location.TileX, node.Location.TileZ,
node.Location.Location.X.ToString("F3", System.Globalization.CultureInfo.CreateSpecificCulture("en-US")),
node.Location.Location.Y.ToString("F3", System.Globalization.CultureInfo.CreateSpecificCulture("en-US")),
node.Location.Location.Z.ToString("F3", System.Globalization.CultureInfo.CreateSpecificCulture("en-US")));
pdpIndex = trackPDPs.Count(); // default PDP index
TrainpathJunctionNode nodeAsJunction = node as TrainpathJunctionNode;
if (nodeAsJunction != null)
{
int junctionIndex = nodeAsJunction.JunctionIndex;
if (!node.IsBroken && pdpOfJunction.ContainsKey(junctionIndex))
{
//this junction is already in the list of PDPs, so use another PDP index;
pdpIndex = pdpOfJunction[junctionIndex];
}
else
{
trackPDPs.Add(String.Format(System.Globalization.CultureInfo.InvariantCulture,
"{0} {1} {2} )", trackPDPstart, 2, 0));
pdpOfJunction[junctionIndex] = pdpIndex;
}
}
else
{ // TrainpathVectorNode
if (node.NodeType == TrainpathNodeType.Start || node.NodeType == TrainpathNodeType.End)
{
trackPDPs.Add(String.Format(System.Globalization.CultureInfo.InvariantCulture,
"{0} {1} {2} )", trackPDPstart, 1, 0));
}
else
{
trackPDPs.Add(String.Format(System.Globalization.CultureInfo.InvariantCulture,
"{0} {1} {2} )", trackPDPstart, 1, 1));
}
}
trpathnodes.Add(String.Format(System.Globalization.CultureInfo.InvariantCulture,
"\t\tTrPathNode ( {0} {1} {2} {3} )",
node.FlagsToString(), nextMainIndex, nextSidingIndex, pdpIndex));
}
/// <summary>
/// Actually create the path by linking nodes following the stored linking tvns.
/// </summary>
/// <param name="modificationTools">The tool set that is used to actually modify the path</param>
/// <param name="isMainPath">Do we add the node to the main path or not</param>
/// <param name="isFromNodeDirectionOK">Set this to true when the FromNode has already been set to correct orientation elsewhere</param>
public void CreateFoundConnection(ModificationTools modificationTools, bool isMainPath, bool isFromNodeDirectionOK)
{
ConnectableNode autoConnectToNode = autoConnectToNodeOptions.ActualReconnectNode;
if (FromNodeNeedsReverse && !isFromNodeDirectionOK)
{
autoConnectFromNode.ReverseOrientation();
}
if (ToNodeNeedsReverse)
{
autoConnectToNode.ReverseOrientation();
}
if (!autoConnectToNode.IsConnectingForward)
{
linkingTvns.Reverse();
ConnectableNode swap = autoConnectToNode;
autoConnectToNode = autoConnectFromNode;
autoConnectFromNode = swap;
}
TrainpathNode currentNode = autoConnectFromNode.OriginalNode;
if ((currentNode is TrainpathVectorNode) && !sameTrackConnect)
{ // in case the first node is a vector node (and not a direct connect), go to its junction first
currentNode = modificationTools.AddAdditionalNode(currentNode, isMainPath);
}
//create the new path using the stored Tvns
foreach (int tvn in linkingTvns)
{
currentNode = modificationTools.AddAdditionalNode(currentNode, tvn, isMainPath);
while (currentNode is TrainpathVectorNode)
{ // apparently a disambiguity node has been added.
currentNode = modificationTools.AddAdditionalNode(currentNode, tvn, isMainPath);
}
}
//make the final connections
TrainpathNode toNode = autoConnectToNode.OriginalNode;
modificationTools.StitchTwoPaths(currentNode, toNode, isMainPath);
}
//static Dictionary<bool, Drawing.DebugWindow> debugWindows = new Dictionary<bool, Drawing.DebugWindow>();
//static ContinuousAutoConnecting()
//{
// debugWindows[true] = new Drawing.DebugWindow(10, 40);
// debugWindows[false] = new Drawing.DebugWindow(10, 60);
//}
//private string debugString = String.Empty;
/// <summary>
/// Constructor. This will also find store the candidates for reconnecting
/// </summary>
/// <param name="startNode">The node to start from for reconnection. Only used for initial determination of possible reconnection nodes</param>
/// <param name="isConnectingForward">Is this node connecting forwards (along the path) or not</param>
public ContinuousAutoConnecting(TrainpathNode startNode, bool isConnectingForward)
{
isForward = isConnectingForward;
List <TrainpathNode> reconnectNodes = this.FindReconnectNodeCandidates(startNode, isConnectingForward, true);
autoConnectToNodeOptions = new ReconnectNodeOptions(isConnectingForward);
int count = 0;
foreach (TrainpathNode node in reconnectNodes)
{
autoConnectToNodeOptions.AddNode(node, false);
//debugString += node.ToStringShort();
if (count++ > maxNumberNodesToCheckForAutoFix)
{
break;
}
}
}
