private void RemoveDuplicateModels(QuadTreeNode node)
{
var GameObjectsToDestroy = new List <GameObject>();
var AncestorNodes = DataByNode.Keys.ToList();
AncestorNodes.RemoveAll(n => DataByNode[n].Features.Count == 0);
AncestorNodes.RemoveAll(n => n.Depth >= node.Depth);
AncestorNodes = GetNodesWithOverlappingBounds(node, AncestorNodes);
foreach (var AncestorNode in AncestorNodes)
{
foreach (var featurePosition in DataByNode[node].PositionByFeature)
{
var GameObjects = DataByNode[AncestorNode].GameObjects;
foreach (GameObject go in GameObjects)
{
if (featurePosition.Value.x == go.transform.position.x && featurePosition.Value.z == go.transform.position.z)
{
var model = go.GetComponent <Model>();
DataByNode[AncestorNode].Features.Add(model.Feature);
UnityEngine.Object.Destroy(model);
GameObjectsToDestroy.Add(go);
}
}
}
for (int i = 0, c = GameObjectsToDestroy.Count; i < c; ++i)
{
DataByNode[AncestorNode].GameObjects.Remove(GameObjectsToDestroy[i]);
//DataByNode[AncestorNode].LoadingGameObjects.Remove(GameObjectsToDestroy[i]);
LoadingGameObjects.Remove(GameObjectsToDestroy[i]);
UnityEngine.Object.Destroy(GameObjectsToDestroy[i]);
}
GameObjectsToDestroy.Clear();
}
}
private void ApplyElevation(QuadTreeNode tile)
{
var data = DataByTile[tile];
TileMatrix tileMatrix = ElevationTileMatrixSet[tile.Depth];
long zoomLevel = tile.Depth;
long matrixRow = (long)Mathf.Floor((float)(tile.GeographicBounds.MinimumCoordinates.Latitude - Elevation.MinY) / tileMatrix.TilesHigh);
long matrixColumn = (long)Mathf.Floor((float)(tile.GeographicBounds.MinimumCoordinates.Longitude - Elevation.MinX) / tileMatrix.TilesWide);
var elevation = Elevation.Tile(zoomLevel, matrixRow, matrixColumn);
//File.WriteAllBytes("D:/elevtest.dat", elevation.Bytes);
int meshDimension = (int)tileMatrix.TileWidth;
var array = TiffToFloatArray(elevation.Bytes, meshDimension);
int vertexIndex = 0;
for (int row = 0; row < meshDimension; ++row)
{
for (int column = 0; column < meshDimension; ++column, ++vertexIndex)
{
data.vertices[vertexIndex].y = array[vertexIndex];
}
}
}
////////////////////////////////////////////////////////////////////////////////
public void QuadTreeDataLoad(QuadTreeNode node) // QuadTreeDelegate
{
var token = node.TaskLoadToken.Token;
Task t = Task.Run(() => { TaskLoad(node); }, token);
}
////////////////////////////////////////////////////////////////////////////////
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);
}
}
}
public void QuadTreeDataUnload(QuadTreeNode tile) // QuadTreeDelegate
{
// TODO
//tile.gameObject.GetComponent<MeshFilter>().mesh = null;
}
public void QuadTreeDataLoad(QuadTreeNode tile) // QuadTreeDelegate
{
Task.Run(() => TaskLoad(tile));
}
public void QuadTreeDataUpdate(QuadTreeNode tile) // QuadTreeDelegate
{
// TODO: any update operations (regardless of state)
}
private void GenerateMesh(QuadTreeNode tile)
{
var data = DataByTile[tile];
TileMatrix tileMatrix = ElevationTileMatrixSet[tile.Depth];
int MeshDimension = (int)tileMatrix.TileWidth;
CartesianBounds cartesianBounds = tile.GeographicBounds.TransformedWith(Projection);
double spacingX = (cartesianBounds.MaximumCoordinates.X - cartesianBounds.MinimumCoordinates.X) / tileMatrix.TileWidth;
double spacingY = (cartesianBounds.MaximumCoordinates.Y - cartesianBounds.MinimumCoordinates.Y) / tileMatrix.TileHeight;
double originX = cartesianBounds.MinimumCoordinates.X;
double originY = cartesianBounds.MinimumCoordinates.Y;
// vertices
{
data.vertices = new Vector3[MeshDimension * MeshDimension];
int vertexIndex = 0;
for (int row = 0; row < MeshDimension; ++row)
{
for (int column = 0; column < MeshDimension; ++column, ++vertexIndex)
{
data.vertices[vertexIndex] = new Vector3((float)(originX + (column * spacingX)), 0.0f, (float)(originY + (row * spacingY)));
}
}
}
// triangles
{
data.triangles = new int[(MeshDimension - 1) * (MeshDimension - 1) * 6];
int triangleIndex = 0;
for (int row = 0; row < (MeshDimension - 1); ++row)
{
for (int column = 0; column < (MeshDimension - 1); ++column, triangleIndex += 6)
{
int vertexIndex = (row * MeshDimension) + column;
int lowerLeftIndex = vertexIndex;
int lowerRightIndex = lowerLeftIndex + 1;
int upperLeftIndex = lowerLeftIndex + MeshDimension;
int upperRightIndex = upperLeftIndex + 1;
data.triangles[triangleIndex + 0] = lowerLeftIndex;
data.triangles[triangleIndex + 1] = upperLeftIndex;
data.triangles[triangleIndex + 2] = upperRightIndex;
data.triangles[triangleIndex + 3] = lowerLeftIndex;
data.triangles[triangleIndex + 4] = upperRightIndex;
data.triangles[triangleIndex + 5] = lowerRightIndex;
}
}
}
// uvs
{
data.uv = new Vector2[data.vertices.Length];
int vertexIndex = 0;
for (int row = 0; row < MeshDimension; ++row)
{
for (int column = 0; column < MeshDimension; ++column, ++vertexIndex)
{
data.uv[vertexIndex] = new Vector2((float)column / (MeshDimension - 1), (float)row / (MeshDimension - 1));
}
}
}
}