public bool canBeBuilt(Location loc)
{
TrafficVoxel voxel = TrafficVoxel.get(loc);
if (voxel == null)
{
return(false);
}
RailRoad rr = voxel.railRoad;
if (rr == null)
{
return(false);
}
RailPattern rp = rr.getPattern();
if (rp.numberOfRails != 2)
{
return(false);
}
if (!rp.hasRail(rr.dir1.opposite))
{
return(false);
}
return(rr.dir1.isSharp);
}
public override void drawVoxel(QuarterViewDrawer view, DrawContextEx canvas, Location loc, Point pt)
{
if (base.currentPos != loc)
{
return;
}
if (!contribution.canBeBuilt(loc))
{
return;
}
int x;
RailPattern rp = TrafficVoxel.get(loc).railRoad.getPattern();
if (rp.hasRail(Direction.NORTH))
{
x = 1;
}
else
{
x = 0;
}
contribution.sprites[x, 0].drawAlpha(canvas.surface, pt);
contribution.sprites[x, 1].drawAlpha(canvas.surface, pt);
}
/// <summary>
/// Create a new electric pole at the specified location.
/// </summary>
/// <param name="loc"></param>
public void create(Location loc)
{
Debug.Assert(canBeBuilt(loc));
int x;
RailPattern rp = TrafficVoxel.get(loc).railRoad.getPattern();
if (rp.hasRail(Direction.NORTH))
{
x = 1;
}
else
{
x = 0;
}
new ElectricPole(TrafficVoxel.get(loc), this, x);
}
/// <summary>
/// Check if this voxel should have a rail road crossing.
/// </summary>
/// <returns></returns>
private bool shouldHaveCrossing()
{
if (_railRoad == null || _road == null)
{
return(false);
}
RailPattern rp = _railRoad.getPattern();
Direction rdir1 = _railRoad.dir1;
if (rp.numberOfRails != 2 || !rp.hasRail(rdir1.opposite))
{
return(false); // the rail must be going straight.
}
if (!rdir1.isSharp)
{
return(false); // rail must be paralell to X-axis or Y-axis.
}
if (!_road.hasRoad(rdir1.left90) || !_road.hasRoad(rdir1.right90))
{
return(false); // road must be orthogonal to rail road
}
return(true);
}