/// <summary>
/// Set ForwardItem and BackwardItem in TsNodes
/// </summary>
private void SetForwardBackward()
{
foreach (var node in Nodes)
{
TsItem item = null;
if (Items.TryGetValue(node.Value.ForwardItemUID, out item))
{
node.Value.ForwardItem = item;
}
item = null;
if (Items.TryGetValue(node.Value.BackwardItemUID, out item))
{
node.Value.BackwardItem = item;
}
}
}
public TsNode NodeIteminPrefab(TsMapper _mapper, TsItem item)
{
foreach (var nodePId in this.Nodes)
{
var nodeP = _mapper.GetNodeByUid(nodePId);
if (nodeP.ForwardItem == item)
{
return(nodeP);
}
if (nodeP.BackwardItem == item)
{
return(nodeP);
}
}
return(null);
}
// Can be useful for A* Algorithm
public float HeuristicDistance(TsItem item)
{
return(Math.Abs(this.X - item.X) + Math.Abs(this.Z - item.Z));
}
/// <summary>
/// Loads navigation inside TsItem objects
/// </summary>
private void LoadNavigation()
{
foreach (var prefab in Prefabs)
{
foreach (var nodeStr in prefab.Nodes)
{
var node = GetNodeByUid(nodeStr);
TsItem road = null;
TsNode precnode = node;
TsItem precitem = prefab;
TsNode nextnode;
TsItem nextitem;
List <TsItem> roads = new List <TsItem>();
var totalLength = 0.0f;
if (node.ForwardItem != null && node.ForwardItem.Type == TsItemType.Road)
{
road = node.ForwardItem;
}
else if (node.BackwardItem != null && node.BackwardItem.Type == TsItemType.Road)
{
road = node.BackwardItem;
}
if (road != null)
{
int direction = 0;
if (road.EndNodeUid == node.Uid)
{
direction = 1;
}
while (road != null && road.Type != TsItemType.Prefab && !road.Hidden)
{
var length = (float)Math.Sqrt(Math.Pow(GetNodeByUid(road.StartNodeUid).X - GetNodeByUid(road.EndNodeUid).X, 2) + Math.Pow(GetNodeByUid(road.StartNodeUid).Z - GetNodeByUid(road.EndNodeUid).Z, 2));
TsRoadItem roadObj = (TsRoadItem)road;
totalLength += length / roadObj.RoadLook.GetWidth();
/*if (roadObj.RoadLook.IsHighway) totalLength += (length / 2) / roadObj.RoadLook.GetWidth();
* else if (roadObj.RoadLook.IsLocal) totalLength += (length / 1.75f) / roadObj.RoadLook.GetWidth();
* else if (roadObj.RoadLook.IsExpress) totalLength += (length / 1.25f) / roadObj.RoadLook.GetWidth();
* else length += length * 2;*/
roads.Add(road);
if (GetNodeByUid(road.StartNodeUid) == precnode)
{
nextnode = GetNodeByUid(road.EndNodeUid);
precnode = GetNodeByUid(road.EndNodeUid);
}
else
{
nextnode = GetNodeByUid(road.StartNodeUid);
precnode = GetNodeByUid(road.StartNodeUid);
}
if (nextnode.BackwardItem == road || nextnode.BackwardItem == precitem)
{
nextitem = nextnode.ForwardItem;
precitem = nextnode.ForwardItem;
}
else
{
nextitem = nextnode.BackwardItem;
precitem = nextnode.BackwardItem;
}
road = nextitem;
}
if (road != null && !road.Hidden)
{
TsPrefabItem prevPrefab = (TsPrefabItem)prefab;
TsPrefabItem nextPrefab = (TsPrefabItem)road;
TsRoadLook look = ((TsRoadItem)roads.LastOrDefault()).RoadLook;
if (prevPrefab.Hidden || nextPrefab.Hidden)
{
continue;
}
if (prevPrefab.Navigation.ContainsKey(nextPrefab) == false && (look.IsBidirectional() || direction == 0))
{
prevPrefab.Navigation.Add(nextPrefab, new Tuple <float, List <TsItem> >(totalLength, roads));
}
if (nextPrefab.Navigation.ContainsKey(prevPrefab) == false && (look.IsBidirectional() || direction == 1))
{
var reverse = new List <TsItem>(roads);
reverse.Reverse();
nextPrefab.Navigation.Add(prevPrefab, new Tuple <float, List <TsItem> >(totalLength, reverse));
}
}
}
else if (node.ForwardItem != null && node.BackwardItem != null)
{
TsPrefabItem forwardPrefab = (TsPrefabItem)node.ForwardItem;
TsPrefabItem backwardPrefab = (TsPrefabItem)node.BackwardItem;
if (forwardPrefab.Hidden || backwardPrefab.Hidden)
{
continue;
}
if (forwardPrefab.Navigation.ContainsKey(backwardPrefab) == false)
{
forwardPrefab.Navigation.Add(backwardPrefab, new Tuple <float, List <TsItem> >(0, null));
}
if (backwardPrefab.Navigation.ContainsKey(forwardPrefab) == false)
{
backwardPrefab.Navigation.Add(forwardPrefab, new Tuple <float, List <TsItem> >(0, null));
}
}
}
}
Dictionary <ulong, TsPrefabItem> ferryToPrefab = new Dictionary <ulong, TsPrefabItem>();
foreach (var port in FerryConnections)
{
float min = float.MaxValue;
TsPrefabItem closerPrefab = null;
foreach (var prefab in Prefabs)
{
float distance = (float)Math.Sqrt(Math.Pow(port.X - prefab.X, 2) + Math.Pow(port.Z - prefab.Z, 2));
if (distance < min && prefab.Navigation.Count > 1 && !prefab.Hidden)
{
min = distance;
closerPrefab = prefab;
}
}
ferryToPrefab[port.FerryPortId] = closerPrefab;
}
foreach (var port in FerryConnections)
{
foreach (var connection in LookupFerryConnection(port.FerryPortId))
{
var ports = new List <TsItem>();
ports.Add(FerryPortbyId[connection.StartPortToken]);
ports.Add(FerryPortbyId[connection.EndPortToken]);
ferryToPrefab[connection.StartPortToken].Navigation.Add(ferryToPrefab[connection.EndPortToken], new Tuple <float, List <TsItem> >(connection.Distance, ports));
ports.Reverse();
ferryToPrefab[connection.EndPortToken].Navigation.Add(ferryToPrefab[connection.StartPortToken], new Tuple <float, List <TsItem> >(connection.Distance, ports));
}
}
}