/// <summary>
/// NATURAL
/// Support for Natural like map elements
/// TODO:
/// - Trees: rows, woods.
/// - other naturals
/// </summary>
/// <returns></returns>
public IEnumerable <Natural> Natural()
{
var nodes = (from e in Xdoc.Descendants("node")
where e.Attribute("visible").Value == "true"
from t in e.Descendants("tag")
where t.Attribute("k").Value == "natural" && t.Attribute("v").Value == "tree"
select new
{
Id = e.Attribute("id").Value,
Name = t.Attribute("v").Value,
Lat = Convert.ToDouble(e.Attribute("lat").Value),
Long = Convert.ToDouble(e.Attribute("lon").Value),
Element = e
});
foreach (var node in nodes)
{
NaturalData data = default(NaturalData);
data.circumference = DefaultTreeCircumference;
data.height = DefaultTreeHeight;
foreach (var tag in node.Element.Descendants("tag"))
{
switch (tag.Attribute("k").Value.ToLower())
{
case "genus":
data.genus = tag.Attribute("v").Value;
break;
case "leaf_type":
data.leaf_type = tag.Attribute("v").Value;
break;
case "circumference":
MatchFloat(tag.Attribute("v").Value, out data.circumference);
break;
case "height":
MatchFloat(tag.Attribute("v").Value, out data.height);
break;
}
}
var pos = MercatorHelper.ToMeters(node.Lat, node.Long);
yield return(new Natural(node.Id, new Vector2(pos.X - Tile.Center.X, pos.Y - Tile.Center.Y), data));
}
}
public Natural(string id, Vector2 anchor, NaturalData data)
: base(id, Color.Green)
{
Anchor = anchor;
Data = data;
}
