/// <summary>
/// Caches the waypoint data.
/// </summary>
public static void CacheWaypointData()
{
if (lastCacheUpdate == UnityEngine.Time.fixedTime)
{
return;
}
lastCacheUpdate = UnityEngine.Time.fixedTime;
bool changed = false;
// Add new waypoints
foreach (Waypoint w in WaypointManager.AllWaypoints())
{
if (w != null && w.isNavigatable)
{
WaypointData wpd;
// Update values that are only cached once
if (!waypointData.ContainsKey(w))
{
wpd = new WaypointData();
wpd.waypoint = w;
wpd.celestialBody = Util.GetBody(w.celestialName);
// Shouldn't normally happens, but who knows (Util.GetBody will throw a warning)
if (wpd.celestialBody == null)
{
continue;
}
// Figure out the terrain height
wpd.waypoint.height = Util.WaypointHeight(w, wpd.celestialBody);
// Add to waypoint data
waypointData[w] = wpd;
changed = true;
}
else
{
wpd = waypointData[w];
}
// Update values that change every frame
wpd.lastChecked = UnityEngine.Time.fixedTime;
if (FlightGlobals.ActiveVessel != null && wpd.celestialBody == FlightGlobals.ActiveVessel.mainBody)
{
wpd.distanceToActive = Util.GetDistanceToWaypoint(wpd);
// Get information about whether the waypoint is occluded
Vector3 pos = wpd.celestialBody.GetWorldSurfacePosition(wpd.waypoint.latitude, wpd.waypoint.longitude, wpd.waypoint.height + wpd.waypoint.altitude);
wpd.isOccluded = IsOccluded(wpd.celestialBody, FlightCamera.fetch.transform.position, pos, wpd.waypoint.height + wpd.waypoint.altitude);
Vector3 vHeading = FlightGlobals.ActiveVessel.transform.up;
double vesselLat = FlightGlobals.ActiveVessel.latitude / 180.0 * Math.PI;
double vesselLon = FlightGlobals.ActiveVessel.longitude / 180.0 * Math.PI;
double wpLat = wpd.waypoint.latitude / 180.0 * Math.PI;
double wpLon = wpd.waypoint.longitude / 180.0 * Math.PI;
double y = Math.Sin(wpLon - vesselLon) * Math.Cos(wpLat);
double x = (Math.Cos(vesselLat) * Math.Sin(wpLat)) - (Math.Sin(vesselLat) * Math.Cos(wpLat) * Math.Cos(wpLon - vesselLon));
double requiredHeading = Math.Atan2(y, x) * 180.0 / Math.PI;
wpd.heading = (requiredHeading + 360.0) % 360.0;
}
}
}
// Remove unused waypoints
foreach (KeyValuePair <Waypoint, WaypointData> p in waypointData.Where(p => p.Value.lastChecked != UnityEngine.Time.fixedTime).ToArray())
{
changed = true;
waypointData.Remove(p.Key);
}
if (changed || customWaypoints.waypointByContract.Count != WaypointManager.customWaypoints.Count())
{
// Clear the by contract list
foreach (ContractContainer cc in contractMap.Values)
{
cc.waypointByContract.Clear();
}
customWaypoints.waypointByContract.Clear();
// Rebuild the by contract list
foreach (WaypointData wpd in waypointData.Values)
{
if (wpd.waypoint.contractReference != null)
{
if (!contractMap.ContainsKey(wpd.waypoint.contractReference.ContractID))
{
contractMap[wpd.waypoint.contractReference.ContractID] = new ContractContainer(wpd.waypoint.contractReference);
}
contractMap[wpd.waypoint.contractReference.ContractID].waypointByContract.Add(wpd);
}
else
{
customWaypoints.waypointByContract.Add(wpd);
}
}
// Remove any unused contracts
foreach (ContractContainer cc in contractMap.Values.ToList())
{
if (cc.waypointByContract.Count == 0)
{
contractMap.Remove(cc.contract.ContractID);
}
}
// Rebuild the by Celestial Body list
waypointByBody.Clear();
foreach (WaypointData wpd in waypointData.Values)
{
if (!waypointByBody.ContainsKey(wpd.celestialBody))
{
waypointByBody[wpd.celestialBody] = new List <WaypointData>();
}
waypointByBody[wpd.celestialBody].Add(wpd);
}
}
}
