public static PointObservation Load(XmlReader reader, Dictionary <Observation, string> observers)
{
PointObservation shape = new PointObservation();
LoadPositionalData(shape, reader);
shape.Position = ManeuveringBoard.ParseXmlPoint(reader.GetStringAttribute("position"));
observers.Add(shape, reader.GetAttribute("observer"));
return(shape);
}
public override void Render(Graphics graphics)
{
if (ShouldRender)
{
float scale = (float)Board.ZoomFactor, x = (float)Position.X * scale, y = -(float)Position.Y * scale;
// TODO: only draw a line back to the parent unit if the parent unit is functioning as a first observation
int index = Parent.Children.IndexOf(this) - 1;
PointObservation previousObservation = index >= 0 ? Parent.Children[index] as PointObservation : null;
Shape previousShape = previousObservation != null && previousObservation.Observer == Observer ? previousObservation : Parent;
float prevX = (float)previousShape.Position.X * scale, prevY = -(float)previousShape.Position.Y * scale;
graphics.DrawArrow(Board.observationPen, prevX, prevY, x, y);
graphics.DrawCircle(Pen, x, y, 6);
RenderTime(graphics, x, y + 8);
}
}
public static Shape Load(XmlReader reader, Dictionary <Observation, string> observers, Dictionary <string, UnitShape> unitsById)
{
Shape shape;
switch (reader.LocalName)
{
case "circle": shape = CircleShape.Load(reader); break;
case "line": shape = LineShape.Load(reader); break;
case "unit": shape = UnitShape.Load(reader, observers, unitsById); break;
case "bearingObservation": shape = BearingObservation.Load(reader, observers); break;
case "pointObservation": shape = PointObservation.Load(reader, observers); break;
case "waypoint": shape = Waypoint.Load(reader); break;
default: throw new System.IO.InvalidDataException("Unknown shape tag: " + reader.LocalName);
}
reader.Read();
return(shape);
}