public TransportPathfindResult FindShortestPath(TransportPathfindOptions options)
{
var optionsInterop = options.ToInterop();
var pathfindResultInterop = NativeTransportApi_FindShortestPath(NativePluginRunner.API, ref optionsInterop);
if (pathfindResultInterop.IsPathFound)
{
// alloc and pin buffers
var pathDirectedEdgeIdsBuffer = new TransportDirectedEdgeIdInterop[pathfindResultInterop.PathDirectedEdgesSize];
var pathDirectedEdgeIdsBufferGCHandle = GCHandle.Alloc(pathDirectedEdgeIdsBuffer, GCHandleType.Pinned);
pathfindResultInterop.PathDirectedEdges = pathDirectedEdgeIdsBufferGCHandle.AddrOfPinnedObject();
var pathPointsBuffer = new DoubleVector3[pathfindResultInterop.PathPointsSize];
var pathPointsBufferGCHandle = GCHandle.Alloc(pathPointsBuffer, GCHandleType.Pinned);
pathfindResultInterop.PathPoints = pathPointsBufferGCHandle.AddrOfPinnedObject();
var pathPointParamsBuffer = new double[pathfindResultInterop.PathPointsSize];
var pathPointParamsBufferGCHandle = GCHandle.Alloc(pathPointParamsBuffer, GCHandleType.Pinned);
pathfindResultInterop.PathPointParams = pathPointParamsBufferGCHandle.AddrOfPinnedObject();
var result = PopulateAndReleaseTransportPathfindResult(pathDirectedEdgeIdsBuffer, pathPointsBuffer, pathPointParamsBuffer, ref pathfindResultInterop);
pathDirectedEdgeIdsBufferGCHandle.Free();
pathPointsBufferGCHandle.Free();
pathPointParamsBufferGCHandle.Free();
return(result);
}
else
{
var failedResult = new TransportPathfindResult();
return(failedResult);
}
}
private IList <TransportDirectedEdge> BuildDirectedEdgesForCell(
TransportNetworkType transportNetworkType,
TransportCellKey cellKey
)
{
var cellKeyInterop = cellKey.ToInterop();
int directedEdgeCount = NativeTransportApi_GetDirectedEdgeCountForNetworkInCell(NativePluginRunner.API, transportNetworkType, cellKeyInterop);
if (directedEdgeCount <= 0)
{
return(new List <TransportDirectedEdge>());
}
// alloc and pin buffers
var directedEdgeIdInteropBuffer = new TransportDirectedEdgeIdInterop[directedEdgeCount];
var directedEdgeIdInteropBufferGCHandle = GCHandle.Alloc(directedEdgeIdInteropBuffer, GCHandleType.Pinned);
var directedEdgeIdInteropBufferPtr = directedEdgeIdInteropBufferGCHandle.AddrOfPinnedObject();
// populate buffers from C++ api
var directedEdgeSuccess = NativeTransportApi_TryGetDirectedEdgeIdsForNetworkInCell(NativePluginRunner.API, transportNetworkType, cellKeyInterop, directedEdgeCount, directedEdgeIdInteropBufferPtr);
if (!directedEdgeSuccess)
{
throw new System.ArgumentOutOfRangeException("incorrect buffer size passed for directed edge ids");
}
var directedEdges = FetchDirectedEdges(directedEdgeIdInteropBuffer);
// free buffer
directedEdgeIdInteropBufferGCHandle.Free();
return(directedEdges);
}
private bool TryFetchNode(TransportNodeIdInterop nodeIdInterop, out TransportNode node)
{
int incidentDirectedEdgeCount = NativeTransportApi_GetIncidentDirectedEdgeCountForNode(NativePluginRunner.API, nodeIdInterop);
if (incidentDirectedEdgeCount < 0)
{
node = TransportNode.MakeEmpty();
return(false);
}
var incidentDirectedEdgeIdInteropBuffer = new TransportDirectedEdgeIdInterop[incidentDirectedEdgeCount];
var incidentDirectedEdgeIdInteropBufferGCHandle = GCHandle.Alloc(incidentDirectedEdgeIdInteropBuffer, GCHandleType.Pinned);
var incidentDirectedEdgeIdInteropPtr = incidentDirectedEdgeIdInteropBufferGCHandle.AddrOfPinnedObject();
var nodeInterop = new TransportNodeInterop()
{
Id = nodeIdInterop,
IncidentDirectedEdgeIdsSize = incidentDirectedEdgeCount,
IncidentDirectedEdgeIds = incidentDirectedEdgeIdInteropPtr
};
bool success = NativeTransportApi_TryGetNode(NativePluginRunner.API, ref nodeInterop);
if (!success)
{
node = TransportNode.MakeEmpty();
return(false);
}
var incidedDirectedEdgeIds = incidentDirectedEdgeIdInteropBuffer.Select(_x => _x.FromInterop()).ToList();
node = new TransportNode(
nodeInterop.Id.FromInterop(),
nodeInterop.Point,
incidedDirectedEdgeIds
);
incidentDirectedEdgeIdInteropBufferGCHandle.Free();
return(true);
}
private IList <TransportDirectedEdgeIdInterop> FetchDirectedEdgeIdsForNetworkInCell(TransportNetworkType transportNetwork, MortonKeyInterop cellKeyInterop)
{
int directedEdgeCount = NativeTransportApi_GetDirectedEdgeCountForNetworkInCell(NativePluginRunner.API, transportNetwork, cellKeyInterop);
if (directedEdgeCount <= 0)
{
return(new List <TransportDirectedEdgeIdInterop>());
}
var directedEdgeIdInteropBuffer = new TransportDirectedEdgeIdInterop[directedEdgeCount];
var directedEdgeIdInteropBufferGCHandle = GCHandle.Alloc(directedEdgeIdInteropBuffer, GCHandleType.Pinned);
var directedEdgeIdInteropBufferPtr = directedEdgeIdInteropBufferGCHandle.AddrOfPinnedObject();
var directedEdgeSuccess = NativeTransportApi_TryGetDirectedEdgeIdsForNetworkInCell(NativePluginRunner.API, transportNetwork, cellKeyInterop, directedEdgeCount, directedEdgeIdInteropBufferPtr);
if (!directedEdgeSuccess)
{
throw new System.ArgumentOutOfRangeException("incorrect buffer size passed for directed edge ids");
}
directedEdgeIdInteropBufferGCHandle.Free();
return(directedEdgeIdInteropBuffer);
}
private bool TryFetchDirectedEdge(TransportDirectedEdgeIdInterop directedEdgeIdInterop, out TransportDirectedEdge directedEdge)
{
var directedEdgeInterop = new TransportDirectedEdgeInterop()
{
Id = directedEdgeIdInterop
};
bool success = NativeTransportApi_TryGetDirectedEdge(NativePluginRunner.API, ref directedEdgeInterop);
if (!success)
{
directedEdge = TransportDirectedEdge.MakeEmpty();
return(false);
}
directedEdge = new TransportDirectedEdge(
directedEdgeInterop.Id.FromInterop(),
directedEdgeInterop.NodeIdA.FromInterop(),
directedEdgeInterop.NodeIdB.FromInterop(),
directedEdgeInterop.WayId.FromInterop(),
directedEdgeInterop.IsWayReversed
);
return(true);
}