/// <summary>
/// Draws all the given trade routes.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DrawTradeRoutes(object sender, HexagonGridDrawEventArgs e)
{
TradeRoute[] routes;
PointF start = new PointF();
PointF end = new PointF();
using (SectorContext db = new SectorContext())
{
if (db.routes.Count() > 0)
{
//routes = (from r in db.routes
// select r).ToArray();
routes = db.routes.ToArray();
}
else
{
routes = null;
//throw new Exception("Route count is zero!");
}
}
if (routes != null)
{
foreach (TradeRoute r in routes)
{
RegularHexagon hex1 = e.grid.Hexagons[r.star1Y, r.star1X];
RegularHexagon hex2 = e.grid.Hexagons[r.star2Y, r.star2X];
start = PointBetween(hex1.center, hex2.center, routePercentFromCenter);
end = PointBetween(hex2.center, hex1.center, routePercentFromCenter);
e.gr.DrawLine(routePen, start, end);
}
}
}
/// <summary>
/// Draw a title after the grid was completed.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DrawTitle(object sender, HexagonGridDrawEventArgs e)
{
// Get the distance between the leftmost and rightmost vertices
float x = (e.grid.Hexagons[0, 0].vertices[0].X + e.grid.Hexagons[0, e.grid.columns - 1].vertices[3].X) / 2;
// Label the Grid
using (StringFormat sf = new StringFormat())
{
sf.Alignment = StringAlignment.Center;
sf.LineAlignment = StringAlignment.Near;
e.gr.DrawString(title, titleFont, Brushes.Black, x, 0, sf);
}
}
/// <summary>
/// Draw a solid background for the grid.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DrawBackground(object sender, HexagonGridDrawEventArgs e)
{
e.gr.Clear(backgroundColor);
}
