private OnlineMapsGoogleDirections(Params p)
{
_status = OnlineMapsQueryStatus.downloading;
StringBuilder url = new StringBuilder();
url.Append("https://maps.googleapis.com/maps/api/directions/xml?sensor=false");
url.Append("&origin=");
if (p.origin is string)
{
url.Append(OnlineMapsWWW.EscapeURL(p.origin as string));
}
else if (p.origin is Vector2)
{
Vector2 o = (Vector2)p.origin;
url.Append(o.y).Append(",").Append(o.x);
}
else
{
throw new Exception("Origin must be string or Vector2.");
}
url.Append("&destination=");
if (p.destination is string)
{
url.Append(OnlineMapsWWW.EscapeURL(p.destination as string));
}
else if (p.destination is Vector2)
{
Vector2 d = (Vector2)p.destination;
url.Append(d.y).Append(",").Append(d.x);
}
else
{
throw new Exception("Destination must be string or Vector2.");
}
if (p.mode.HasValue && p.mode.Value != Mode.driving)
{
url.Append("&mode=").Append(Enum.GetName(typeof(Mode), p.mode.Value));
}
if (p.waypoints != null)
{
StringBuilder waypointStr = new StringBuilder();
bool isFirst = true;
int countWaypoints = 0;
foreach (object w in p.waypoints)
{
if (countWaypoints >= 8)
{
Debug.LogWarning("The maximum number of waypoints is 8.");
break;
}
if (!isFirst)
{
waypointStr = waypointStr.Append("|");
}
if (w is string)
{
waypointStr.Append(OnlineMapsWWW.EscapeURL(w as string));
}
else if (w is Vector2)
{
Vector2 v = (Vector2)w;
waypointStr.Append(v.y).Append(",").Append(v.x);
}
else
{
throw new Exception("Waypoints must be string or Vector2.");
}
countWaypoints++;
isFirst = false;
}
if (countWaypoints > 0)
{
url.Append("&waypoints=optimize:true|").Append(waypointStr);
}
}
if (p.alternatives)
{
url.Append("&alternatives=true");
}
if (p.avoid.HasValue && p.avoid.Value != Avoid.none)
{
url.Append("&avoid=").Append(Enum.GetName(typeof(Avoid), p.avoid.Value));
}
if (p.units.HasValue && p.units.Value != Units.metric)
{
url.Append("&units=").Append(Enum.GetName(typeof(Units), p.units.Value));
}
if (!string.IsNullOrEmpty(p.region))
{
url.Append("®ion=").Append(p.region);
}
if (p.departure_time != null)
{
url.Append("&departure_time=").Append(p.departure_time);
}
if (p.arrival_time.HasValue && p.arrival_time.Value > 0)
{
url.Append("&arrival_time=").Append(p.arrival_time.Value);
}
if (!string.IsNullOrEmpty(p.language))
{
url.Append("&language=").Append(p.language);
}
if (!string.IsNullOrEmpty(p.key))
{
url.Append("&key=").Append(p.key);
}
if (p.traffic_model.HasValue && p.traffic_model.Value != TrafficModel.bestGuess)
{
url.Append("&traffic_model=").Append(Enum.GetName(typeof(TrafficModel), p.traffic_model.Value));
}
if (p.transit_mode.HasValue)
{
OnlineMapsUtils.GetValuesFromEnum(url, "transit_mode", typeof(TransitMode), (int)p.transit_mode.Value);
}
if (p.transit_routing_preference.HasValue)
{
url.Append("&transit_routing_preference=").Append(Enum.GetName(typeof(TransitRoutingPreference), p.transit_routing_preference.Value));
}
www = OnlineMapsUtils.GetWWW(url);
www.OnComplete += OnRequestComplete;
}