private void TaskLoad(QuadTreeNode node)
{
try
{
var featureData = new GSFeatureDataNode();
DataByNode[node] = featureData;
featureData.Features = ReadFeatures(node);
foreach (var feature in featureData.Features)
{
var geographicCoordinates = new GeographicCoordinates(feature.Geometry.Centroid.Y, feature.Geometry.Centroid.X);
var cartesianCoordinates = geographicCoordinates.TransformedWith(Database.Projection);
float elev = Database.TerrainElevationAtLocation(geographicCoordinates);
Vector3 position = new Vector3((float)cartesianCoordinates.X, elev, (float)cartesianCoordinates.Y);
featureData.PositionByFeature[feature] = position;
}
}
catch (Exception e)
{
Debug.LogException(e);
}
node.IsLoaded = true;
node.IsLoading = false;
}
////////////////////////////////////////////////////////////////////////////////
public void QuadTreeDataUnload(QuadTreeNode node) // QuadTreeDelegate
{
GSFeatureDataNode featureData = null;
if (!DataByNode.TryGetValue(node, out featureData))
{
return;
}
foreach (var gameObj in featureData.GameObjects)
{
GameObject.Destroy(gameObj);
}
lock (featureData.Features)
{
featureData.Features.Clear();
}
featureData.CDBTileByFeature.Clear();
featureData.GameObjects.Clear();
}
////////////////////////////////////////////////////////////////////////////////
public void QuadTreeDataUpdate(QuadTreeNode node) // QuadTreeDelegate
{
#if UNITY_EDITOR
if (node.IsActive)
{
var sw = node.GeographicBounds.MinimumCoordinates;
var ne = node.GeographicBounds.MaximumCoordinates;
var se = new GeographicCoordinates(sw.Latitude, ne.Longitude);
var nw = new GeographicCoordinates(ne.Latitude, sw.Longitude);
var swc = sw.TransformedWith(Database.Projection);
var sec = se.TransformedWith(Database.Projection);
var nwc = nw.TransformedWith(Database.Projection);
var nec = ne.TransformedWith(Database.Projection);
var elev = 100.0f;
var swv = new Vector3((float)swc.X, elev, (float)swc.Y);
var sev = new Vector3((float)sec.X, elev, (float)sec.Y);
var nwv = new Vector3((float)nwc.X, elev, (float)nwc.Y);
var nev = new Vector3((float)nec.X, elev, (float)nec.Y);
Debug.DrawLine(swv, sev);
Debug.DrawLine(swv, nwv);
Debug.DrawLine(nwv, nev);
Debug.DrawLine(sev, nev);
}
#endif
if (!node.IsActive)
{
return;
}
if (!node.IsLoaded)
{
return;
}
if (Database.SystemMemoryLimitExceeded)
{
return;
}
//if (HasLoadedDecendents(node))
// return;
var maxdist = Database.LODSwitchByObject[this].MaxDistance * Database.Projection.Scale;
GSFeatureDataNode featureData = null;
if (!DataByNode.TryGetValue(node, out featureData))
{
return;
}
for (int i = 0; i < 1; ++i)
{
if (featureData.Features.Count < 1)
{
return;
}
if (Time.frameCount % 10 != 0)
{
var tempList = new List <GameObject>();
foreach (var go in featureData.LoadingGameObjects)
{
if (!go.GetComponent <Model>().Loaded)
{
tempList.Add(go);
}
}
featureData.LoadingGameObjects = tempList;
}
if (featureData.LoadingGameObjects.Count > 4)
{
return;
}
int index = featureData.Features.Count - 1;
var feature = featureData.Features[index];
var dist2 = (featureData.PositionByFeature[feature] - featureData.CameraPosition).sqrMagnitude;
if (dist2 > maxdist * maxdist)
{
return;
}
lock (featureData.Features)
{
featureData.Features.RemoveAt(index);
}
try
{
var modelGameObject = GenerateModel(node, feature);
if (modelGameObject != null)
{
featureData.GameObjects.Add(modelGameObject);
featureData.LoadingGameObjects.Add(modelGameObject);
}
}
catch (Exception e)
{
Debug.LogException(e);
}
}
}