/// <summary>
/// Creates and configures default traffic the input junction
/// </summary>
/// <param name="nodeId">input junction</param>
/// <returns>true if successful</returns>
public static ErrorResult Setup(ushort nodeId)
{
if (tlsMan.HasTimedSimulation(nodeId))
{
return(ErrorResult.TTLExists);
}
// issue #575: Support level crossings.
NetNode.Flags flags = Singleton <NetManager> .instance.m_nodes.m_buffer[nodeId].m_flags;
if ((flags & NetNode.Flags.LevelCrossing) != 0)
{
return(ErrorResult.NotSupported);
}
var segList = ArrangedSegments(nodeId);
int n = segList.Count;
if (n < 3)
{
return(ErrorResult.NotSupported);
}
if (!Add(nodeId))
{
return(ErrorResult.Other);
}
if (SeparateLanes)
{
SeparateTurningLanesUtil.SeparateNode(nodeId, out _);
}
//Is it special case:
{
var segList2Way = TwoWayRoads(segList, out int n2);
if (n2 < 2)
{
return(ErrorResult.NotSupported);
}
bool b = HasIncommingOneWaySegment(nodeId);
if (n2 == 2 && !b)
{
return(SetupSpecial(nodeId, segList2Way));
}
}
for (int i = 0; i < n; ++i)
{
ITimedTrafficLightsStep step = TimedLight(nodeId).AddStep(
minTime: 3,
maxTime: 8,
changeMetric: StepChangeMetric.Default,
waitFlowBalance: 0.3f,
makeRed: true);
SetupHelper(step, nodeId, segList[i], GreenDir.AllGreen);
ushort nextSegmentId = segList[(i + 1) % n];
if (NeedsShortOnly(nextSegmentId, nodeId))
{
SetupHelper(step, nodeId, nextSegmentId, GreenDir.ShortOnly);
}
else
{
SetupHelper(step, nodeId, nextSegmentId, GreenDir.AllRed);
}
for (int j = 2; j < n; ++j)
{
SetupHelper(step, nodeId, segList[(i + j) % n], GreenDir.AllRed);
}
}
Sim(nodeId).Housekeeping();
TimedLight(nodeId).Start();
return(ErrorResult.Success);
}
