/// <summary>
/// Renders this world to the current context.
/// </summary>
public void Render(Rectangle Bounds, double Extent)
{
ZoneIndex bl = _GetZone(Bounds.BottomLeft);
ZoneIndex tr = _GetZone(Bounds.TopRight);
bl.X -= 1; tr.X += 1;
bl.Y -= 1; tr.Y += 1;
int zonecount = (tr.X - bl.X) * (tr.Y - bl.Y);
Render r;
Atlas.Begin(out r);
List<Stone> selected = new List<Stone>();
if (zonecount < this._Zones.Count)
{
for (int x = bl.X; x <= tr.X; x++)
for (int y = bl.Y; y <= tr.Y; y++)
{
List<Stone> zone;
if (this._Zones.TryGetValue(new ZoneIndex(x, y), out zone))
this._DrawZone(r, zone, Extent, selected);
}
}
else
{
foreach (var kvp in this._Zones)
{
ZoneIndex index = kvp.Key;
int x = index.X;
int y = index.Y;
if (x >= bl.X && x <= tr.X && y >= bl.Y && y <= tr.Y)
this._DrawZone(r, kvp.Value, Extent, selected);
}
}
foreach (Stone stone in selected)
Atlas.DrawStone(r, stone, Extent);
Atlas.End(r);
}
/// <summary>
/// Applies this transform to a bounding rectangle.
/// </summary>
public Rectangle Project(Rectangle Source)
{
Vector tl = this.Project(Source.TopLeft);
Vector tr = this.Project(Source.TopRight);
Vector bl = this.Project(Source.BottomLeft);
Vector br = this.Project(Source.BottomRight);
return new Rectangle(
Math.Min(tl.X, Math.Min(tr.X, Math.Min(bl.X, br.X))),
Math.Max(tl.Y, Math.Max(tr.Y, Math.Max(bl.Y, br.Y))),
Math.Max(tl.X, Math.Max(tr.X, Math.Max(bl.X, br.X))),
Math.Min(tl.Y, Math.Min(tr.Y, Math.Min(bl.Y, br.Y))));
}
