/// <summary>
/// Called when a car approaches neighboring traffic voxels.
/// </summary>
public void onCarApproaching(TrafficVoxel v)
{
// method needs to be public so that the delegate can be serialized
// redraw this voxel
World.world.onVoxelUpdated(owner);
registerTimer();
}
/// <summary>
/// Gets a car that occupies the specified place, if any. Or null otherwise.
/// </summary>
public static Car get(Location loc)
{
TrafficVoxel v = TrafficVoxel.get(loc);
if (v == null)
{
return(null);
}
else
{
return(v.car);
}
}
private void setupHandler(TrafficVoxel neighbor, Direction d)
{
RailRoad rr = neighbor.railRoad;
if (rr != null && rr.hasRail(d.opposite))
{
// connected?
neighbor.onCarChanged += new TrafficVoxelHandler(onCarApproaching);
}
else
{
// disconnected?
neighbor.onCarChanged -= new TrafficVoxelHandler(onCarApproaching);
}
}
private void onRailRoadChanged(TrafficVoxel v)
{
// if relevant voxels are affected,
TrafficVoxel n1 = neighbor1;
TrafficVoxel n2 = neighbor2;
if (v == n1)
{
setupHandler(n1, owner.railRoad.dir1);
}
if (v == n2)
{
setupHandler(n2, owner.railRoad.dir2);
}
}
public RRCrossing(TrafficVoxel _owner)
{
this.owner = _owner;
this.railDirIndex = owner.railRoad.dir1.isParallelToY?0:1;
TrafficVoxel.onRailRoadChanged += new TrafficVoxelHandler(onRailRoadChanged);
neighbor1Location = owner.location + owner.railRoad.dir1;
neighbor2Location = owner.location + owner.railRoad.dir2;
if (neighbor1 != null)
{
onRailRoadChanged(neighbor1);
}
if (neighbor2 != null)
{
onRailRoadChanged(neighbor2);
}
}