public void CreatePipe(IWorldNode target, PipeBlueprint.Orientation orientation)
{
NextLinkedNodes.Add(target);
var p = new LevelNodePipe(Owner, this, target, orientation);
OutgoingPipes.Add(p);
Manager.AddEntity(p);
}
public LevelNodePipe(GameScreen scrn, IWorldNode start, IWorldNode end, PipeBlueprint.Orientation orientation)
: base(scrn, GDConstants.ORDER_MAP_PIPE_ON)
{
NodeSource = start;
NodeSink = end;
Position = FPoint.MiddlePoint(start.Position, end.Position);
DrawingBoundingBox = FSize.Diff(start.Position, end.Position) + new FSize(THICKNESS, THICKNESS);
curvature = GetCurve(start, end, orientation);
InitCurvature();
}
private void ManhattanLine(Graphics g, float x1, float y1, float x2, float y2, PipeBlueprint.Orientation o)
{
var dx = x2 - x1;
var dy = y2 - y1;
var p = new Pen(Color.SeaGreen, 24);
if (o == PipeBlueprint.Orientation.Direct)
{
g.DrawLine(p, x1, y1, x2, y2); //D
return;
}
if (dx < 0 && dy < 0)
{
if (o == PipeBlueprint.Orientation.Auto || o == PipeBlueprint.Orientation.Clockwise)
{
g.DrawLine(p, x1, y1, x2, y1); //H
g.DrawLine(p, x2, y1, x2, y2); //V
return;
}
else
{
g.DrawLine(p, x1, y1, x1, y2); //V
g.DrawLine(p, x1, y2, x2, y2); //H
return;
}
}
if (dx >= 0 && dy < 0)
{
if (o == PipeBlueprint.Orientation.Auto || o == PipeBlueprint.Orientation.Counterclockwise)
{
g.DrawLine(p, x1, y1, x2, y1); //H
g.DrawLine(p, x2, y1, x2, y2); //V
return;
}
else
{
g.DrawLine(p, x1, y1, x1, y2); //V
g.DrawLine(p, x1, y2, x2, y2); //H
return;
}
}
if (dx < 0 && dy >= 0)
{
if (o == PipeBlueprint.Orientation.Auto || o == PipeBlueprint.Orientation.Counterclockwise)
{
g.DrawLine(p, x1, y1, x2, y1); //H
g.DrawLine(p, x2, y1, x2, y2); //V
return;
}
else
{
g.DrawLine(p, x1, y1, x1, y2); //V
g.DrawLine(p, x1, y2, x2, y2); //H
return;
}
}
if (dx >= 0 && dy >= 0)
{
if (o == PipeBlueprint.Orientation.Auto || o == PipeBlueprint.Orientation.Clockwise)
{
g.DrawLine(p, x1, y1, x2, y1); //H
g.DrawLine(p, x2, y1, x2, y2); //V
return;
}
else
{
g.DrawLine(p, x1, y1, x1, y2); //V
g.DrawLine(p, x1, y2, x2, y2); //H
return;
}
}
throw new ArgumentException();
}
public void CreatePipe(IWorldNode target, PipeBlueprint.Orientation orientation)
{
throw new NotSupportedException();
}
private FlatCurve13 GetCurve(IWorldNode start, IWorldNode end, PipeBlueprint.Orientation o)
{
var cw = (o == PipeBlueprint.Orientation.Clockwise);
var ccw = (o == PipeBlueprint.Orientation.Counterclockwise);
var auto = (o == PipeBlueprint.Orientation.Auto);
var direct = (o == PipeBlueprint.Orientation.Direct);
if (FloatMath.EpsilonEquals(start.Position.X, end.Position.X))
{
if (start.Position.Y < end.Position.Y)
{
return(FlatCurve13.DOWN);
}
if (start.Position.Y > end.Position.Y)
{
return(FlatCurve13.UP);
}
return(FlatCurve13.POINT);
}
if (FloatMath.EpsilonEquals(start.Position.Y, end.Position.Y))
{
if (start.Position.X < end.Position.X)
{
return(FlatCurve13.RIGHT);
}
if (start.Position.X > end.Position.X)
{
return(FlatCurve13.LEFT);
}
return(FlatCurve13.POINT);
}
if (start.Position.X < end.Position.X)
{
if (direct)
{
return(FlatCurve13.DIRECT);
}
if (start.Position.Y < end.Position.Y)
{
return((auto || cw) ? FlatCurve13.RIGHT_DOWN : FlatCurve13.DOWN_RIGHT);
}
else if (start.Position.Y > end.Position.Y)
{
return((auto || ccw) ? FlatCurve13.RIGHT_UP : FlatCurve13.UP_RIGHT);
}
}
if (start.Position.X > end.Position.X)
{
if (direct)
{
return(FlatCurve13.DIRECT);
}
if (start.Position.Y < end.Position.Y)
{
return((auto || ccw) ? FlatCurve13.LEFT_DOWN : FlatCurve13.DOWN_LEFT);
}
else if (start.Position.Y > end.Position.Y)
{
return((auto || cw) ? FlatCurve13.LEFT_UP : FlatCurve13.UP_LEFT);
}
}
throw new Exception("Invalid curvature found");
}
