/// <summary>
/// Returns the world data for the given Lat Lng rectangle.
/// This calls updates the server cache if new playable locations are found.
/// </summary>
/// <param name="worldDataRequest">World data request</param>
/// <param name="onSuccess">The callback invoked when the call returns successfully</param>
/// <param name="onError">The callback invoked if the call fails</param>
/// <returns>An enumerator for the coroutine function</returns>
public IEnumerator PostWorldData(
WorldDataRequest worldDataRequest,
Action <WorldData> onSuccess,
Action <string> onError)
{
string json = "";
if (worldDataRequest != null)
{
json = JsonMapper.ToJson(worldDataRequest);
}
using (UnityWebRequest webRequest =
new UnityWebRequest(SERVER_URL + "/worlds/" + GetUserId(), "POST"))
{
byte[] bodyRaw = Encoding.UTF8.GetBytes(json);
webRequest.uploadHandler = new UploadHandlerRaw(bodyRaw);
webRequest.downloadHandler = new DownloadHandlerBuffer();
webRequest.SetRequestHeader("Content-Type", "application/json");
yield return(webRequest.SendWebRequest());
if (webRequest.isNetworkError || webRequest.isHttpError)
{
onError?.Invoke(webRequest.error);
}
else
{
onSuccess?.Invoke(
JsonMapper.ToObject <WorldData>(webRequest.downloadHandler.text));
}
}
}
/// <summary>
/// Loads all playable locations within a round area centered on the player's
/// GPS position.
/// </summary>
/// <param name="currentPosition">The current lat lng of our avatar</param>
/// <param name="distance">The radius of the map area around us</param>
private void UpdateWorldData(LatLng currentPosition, float distance)
{
if (!_worldDataIsLoading)
{
_worldDataIsLoading = true;
Vector3 center = MapsService.Coords.FromLatLngToVector3(currentPosition);
Vector3 NorthEastCorner = center + new Vector3(distance, 0f, distance);
LatLng NorthEastLatLng = MapsService.Coords.FromVector3ToLatLng(NorthEastCorner);
Vector3 SouthWestCorner = center + new Vector3(-distance, 0f, -distance);
LatLng SouthWestLatLng = MapsService.Coords.FromVector3ToLatLng(SouthWestCorner);
WorldDataRequest wdr = new WorldDataRequest();
wdr.CopyFrom(SouthWestLatLng, NorthEastLatLng);
StartCoroutine(ServerManager.PostWorldData(wdr, OnWorldDataLoaded, OnError));
}
}