public ToastTile(int level, int x, int y, IImageSet dataset, Tile parent)
{
this.level = level;
this.x = x;
this.y = y;
this.dataset = dataset;
topDown = !dataset.BottomsUp;
demSize = 513;
if (dataset.MeanRadius != 0)
{
DemScaleFactor = dataset.MeanRadius;
}
else
{
if (dataset.DataSetType == ImageSetType.Earth)
{
DemScaleFactor = 6371000;
}
else
{
DemScaleFactor = 3396010;
}
}
ComputeQuadrant();
ComputeBoundingSphere( parent, parent !=null ? parent.demAverage : 0);
insideOut = Dataset.DataSetType == ImageSetType.Sky || Dataset.DataSetType == ImageSetType.Panorama;
}
public override bool Draw3D(RenderContext11 renderContext, float transparancy, Tile parent)
{
RenderedGeneration = CurrentRenderGeneration;
TilesTouched++;
InViewFrustum = true;
if (!ReadyToRender)
{
TileCache.AddTileToQueue(this);
return false;
}
TilesInView++;
if (!CreateGeometry(renderContext, true))
{
return false;
}
renderContext.SetVertexBuffer(vertexBuffer);
renderContext.MainTexture = texture;
renderContext.SetIndexBuffer( indexBuffer[0]);
int partCount = this.TriangleCount;
TrianglesRendered += partCount;
renderContext.devContext.DrawIndexed(indexBuffer[0].Count, 0, 0);
return true;
}
public PlotTile(int level, int x, int y, IImageSet Imageimageset, Tile parent)
{
this.level = level;
this.x = x;
this.y = y;
dataset = Imageimageset;
InViewFrustum = true;
}
public TangentTile(int level, int x, int y, IImageSet dataset, Tile parent)
{
this.level = level;
this.x = x;
this.y = y;
this.dataset = dataset;
topDown = !dataset.BottomsUp;
ComputeBoundingSphere(parent);
VertexCount = ((SubDivisions + 1) * (SubDivisions + 1));
}
public SphericalTile(int level, int x, int y, IImageSet dataset, Tile parent)
{
this.level = level;
this.x = x;
this.y = y;
this.dataset = dataset;
this.topDown = !dataset.BottomsUp;
ComputeBoundingSphere();
VertexCount = ((subDivisionsX + 1) * (subDivisionsY + 1));
}
public EquirectangularTile(int level, int x, int y, IImageSet dataset, Tile parent)
{
this.level = level;
this.x = x;
this.y = y;
this.dataset = dataset;
topDown = !dataset.BottomsUp;
ComputeBoundingSphere(parent);
VertexCount = ((SubDivisions + 1) * (SubDivisions + 1));
insideOut = Dataset.DataSetType == ImageSetType.Sky || Dataset.DataSetType == ImageSetType.Panorama;
}
public SkyImageTile(int level, int x, int y, IImageSet dataset, Tile parent)
{
this.level = level;
this.x = x;
this.y = y;
this.dataset = dataset;
demSize = 513;
DemScaleFactor = 800000;
GetParameters();
Height = 0;
Width = 0;
}
public static bool AddTileToQueue(Tile tile)
{
queueMutex.WaitOne();
int hitValue;
hitValue = 256;
if (!tile.TextureReady)
{
if (queue.ContainsKey(tile.Key))
{
((Tile)queue[tile.Key]).RequestHits += hitValue;
}
else
{
tile.RequestHits = hitValue;
queue[tile.Key] = tile;
}
}
queueMutex.ReleaseMutex();
return true;
}
public static void RemoveTile(Tile tile)
{
tile.CleanUp(true);
tileMutex.WaitOne();
tiles.Remove(tile.Key);
tileMutex.ReleaseMutex();
}
public MercatorTile(int level, int x, int y, IImageSet dataset, Tile parent)
{
this.level = level;
this.x = x;
this.y = y;
this.dataset = dataset;
if (dataset.MeanRadius != 0)
{
DemScaleFactor = dataset.MeanRadius;
}
else
{
if (dataset.DataSetType == ImageSetType.Earth)
{
DemScaleFactor = 6371000;
}
else
{
DemScaleFactor = 3396000;
}
}
if (parent != null)
{
ComputeBoundingSphere(parent as MercatorTile, parent.demAverage);
}
else
{
ComputeBoundingSphere(parent as MercatorTile, 0);
}
VertexCount = ((SubDivisions + 1) * (SubDivisions + 1));
}
protected void ComputeBoundingSphere(Tile parent)
{
if (!topDown)
{
ComputeBoundingSphereBottomsUp(parent);
return;
}
var tileDegrees = (float)dataset.BaseTileDegrees / ((float)Math.Pow(2, level));
var latMin = (float)((dataset.BaseTileDegrees / 2 - (((double)y) * tileDegrees)) + dataset.OffsetY);
var latMax = (float)((dataset.BaseTileDegrees / 2 - (((double)(y + 1)) * tileDegrees)) + dataset.OffsetY);
var lngMin = (float)((((double)x * tileDegrees) - (float)dataset.BaseTileDegrees / dataset.WidthFactor) + dataset.OffsetX);
var lngMax = (float)(((((double)(x + 1)) * tileDegrees) - (float)dataset.BaseTileDegrees / dataset.WidthFactor) + dataset.OffsetX);
var latCenter = (latMin + latMax) / 2.0;
var lngCenter = (lngMin + lngMax) / 2.0;
sphereCenter = GeoTo3d(latCenter, lngCenter, false);
TopLeft = GeoTo3d(latMin, lngMin, false);
BottomRight = GeoTo3d(latMax, lngMax, false);
TopRight = GeoTo3d(latMin, lngMax, false);
BottomLeft = GeoTo3d(latMax, lngMin, false);
var distVect = GeoTo3d(latMin, lngMin, false);
distVect.Subtract(sphereCenter);
sphereRadius = distVect.Length();
tileDegrees = lngMax - lngMin;
if (level == 0)
{
localCenter = sphereCenter;
}
else
{
localCenter = parent.localCenter;
}
}
protected void ComputeBoundingSphereBottomsUp(Tile parent)
{
var tileDegrees = dataset.BaseTileDegrees / Math.Pow(2, level);
var latMin = (dataset.BaseTileDegrees / 2 + ((y + 1) * tileDegrees)) + dataset.OffsetY;
var latMax = (dataset.BaseTileDegrees / 2 + (y * tileDegrees)) + dataset.OffsetY;
var lngMin = ((x * tileDegrees) - dataset.BaseTileDegrees / dataset.WidthFactor) + dataset.OffsetX;
var lngMax = (((x + 1) * tileDegrees) - dataset.BaseTileDegrees / dataset.WidthFactor) + dataset.OffsetX;
var latCenter = (latMin + latMax) / 2.0;
var lngCenter = (lngMin + lngMax) / 2.0;
sphereCenter = GeoTo3d(latCenter, lngCenter, false);
TopLeft = GeoTo3d(latMin, lngMin, false);
BottomRight = GeoTo3d(latMax, lngMax, false);
TopRight = GeoTo3d(latMin, lngMax, false);
BottomLeft = GeoTo3d(latMax, lngMin, false);
var distVect = TopLeft;
distVect.Subtract(sphereCenter);
sphereRadius = distVect.Length();
tileDegrees = lngMax - lngMin;
if (level == 0)
{
localCenter = sphereCenter;
}
else
{
localCenter = parent.localCenter;
}
}
public static Tile GetNewTile(IImageSet imageset, int level, int x, int y, Tile parent)
{
switch (imageset.Projection)
{
case ProjectionType.Mercator:
{
var newTile = new MercatorTile(level, x, y, imageset, parent);
return newTile;
}
case ProjectionType.Equirectangular:
{
return new EquirectangularTile(level, x, y, imageset, parent);
}
case ProjectionType.Spherical:
{
return new SphericalTile(level, x, y, imageset, parent);
}
case ProjectionType.Toast:
{
return new ToastTile(level, x, y, imageset, parent);
}
case ProjectionType.SkyImage:
{
return new SkyImageTile(level, x, y, imageset, parent);
}
case ProjectionType.Plotted:
{
return new PlotTile(level, x, y, imageset, parent);
}
default:
case ProjectionType.Tangent:
{
var newTile = new TangentTile(level, x, y, imageset, parent);
return newTile;
}
}
}
public override bool Draw3D(RenderContext11 renderContext, float transparancy, Tile parent)
{
InViewFrustum = true;
transparancy = transparancy / 100;
if (transparancy > 1f)
{
transparancy = 1.0f;
}
if (transparancy < 0f)
{
transparancy = 0;
}
if (!ReadyToRender)
{
TileCache.AddTileToQueue(this);
if (texture == null)
{
return false;
}
}
if (!CreateGeometry(renderContext, true))
{
return false;
}
renderContext.MainTexture = texture;
renderContext.SetVertexBuffer(vertexBuffer);
renderContext.SetIndexBuffer(indexBuffer);
renderContext.PreDraw();
renderContext.devContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.TriangleList;
renderContext.devContext.DrawIndexed(6, 0, 0);
return true;
}
public virtual bool Draw3D(RenderContext11 renderContext, float opacity, Tile parent)
{
RenderedGeneration = CurrentRenderGeneration;
TilesTouched++;
AccessCount = TileCache.AccessID++;
if (errored)
{
return false;
}
int xMax = 2;
InViewFrustum = true;
if (!ReadyToRender)
{
if (fastLoad)
{
TextureReady = true;
DemReady = true;
if (!CreateGeometry(renderContext, false))
{
TextureReady = false;
DemReady = false;
TileCache.AddTileToQueue(this);
return false;
}
}
else
{
TileCache.AddTileToQueue(this);
return false;
}
}
int childIndex = 0;
int yOffset = 0;
if (dataset.Mercator || dataset.BottomsUp )
{
yOffset = 1;
}
int xOffset = 0;
if (PurgeRefresh)
{
PurgeTextureAndDemFiles();
}
Matrix3d savedWorld = renderContext.World;
Matrix3d savedView = renderContext.View;
bool usingLocalCenter = false;
if (localCenter != Vector3d.Empty)
{
usingLocalCenter = true;
Vector3d temp = localCenter;
renderContext.World = Matrix3d.Translation(temp) * renderContext.WorldBase * Matrix3d.Translation(-renderContext.CameraPosition);
renderContext.View = Matrix3d.Translation(renderContext.CameraPosition) * renderContext.ViewBase;
}
try
{
bool anythingToRender = false;
bool childRendered = false;
for (int y1 = 0; y1 < 2; y1++)
{
for (int x1 = 0; x1 < xMax; x1++)
{
// if (level < (demEnabled ? 12 : dataset.Levels))
if (level < dataset.Levels)
{
Tile child = TileCache.GetTile(level + 1, x * 2 + ((x1 + xOffset) % 2), y * 2 + ((y1 + yOffset) % 2), dataset, this);
childrenId[childIndex] = child.Key;
if (child.IsTileInFrustum(renderContext.Frustum))
{
InViewFrustum = true;
if (child.IsTileBigEnough(renderContext))
{
renderPart[childIndex].TargetState = !child.Draw3D(renderContext, opacity, this);
if (renderPart[childIndex].TargetState)
{
childRendered = true;
}
}
else
{
renderPart[childIndex].TargetState = true;
}
}
else
{
renderPart[childIndex].TargetState = renderPart[childIndex].State = false;
}
if (renderPart[childIndex].TargetState == true || !blendMode)
{
renderPart[childIndex].State = renderPart[childIndex].TargetState;
}
}
else
{
renderPart[childIndex].State = true;
}
if (renderPart[childIndex].State == true)
{
anythingToRender = true;
}
childIndex++;
}
}
if (childRendered || anythingToRender)
{
RenderedAtOrBelowGeneration = CurrentRenderGeneration;
if (parent != null)
{
parent.RenderedAtOrBelowGeneration = RenderedAtOrBelowGeneration;
}
}
if (!anythingToRender)
{
return true;
}
if (!CreateGeometry(renderContext, true))
{
return false;
}
TilesInView++;
if ( wireFrame)
{
renderContext.MainTexture = null;
}
else
{
renderContext.MainTexture = texture;
}
renderContext.SetVertexBuffer(vertexBuffer);
accomidation = ComputeAccomidation();
for (int i = 0; i < 4; i++)
{
if (blendMode) //|| ShowElevation == false)
{
if ((renderPart[i].State && opacity == 1.0) || renderPart[i].TargetState)
{
renderContext.LocalCenter = localCenter;
renderContext.PreDraw();
if (dataset.DataSetType == ImageSetType.Sky)
{
HDRPixelShader.constants.opacity = renderPart[i].Opacity * opacity;
HDRPixelShader.Use(renderContext.devContext);
}
RenderPart(renderContext, i, renderPart[i].Opacity * opacity, false);
}
}
else
{
if (renderPart[i].TargetState)
{
renderContext.LocalCenter = localCenter;
renderContext.PreDraw();
if (dataset.DataSetType == ImageSetType.Sky)
{
HDRPixelShader.constants.opacity = opacity;
HDRPixelShader.Use(renderContext.devContext);
}
RenderPart(renderContext, i, opacity, false);
}
}
}
}
finally
{
if (usingLocalCenter)
{
renderContext.World = savedWorld;
renderContext.View = savedView;
}
}
return true;
}
public static Tile GetTileNow(int level, int x, int y, IImageSet dataset, Tile parent)
{
if (level < dataset.BaseLevel)
{
return null;
}
Tile retTile = null;
long tileKey = ImageSetHelper.GetTileKey(dataset, level, x, y);
try
{
if (!tiles.ContainsKey(tileKey))
{
retTile = ImageSetHelper.GetNewTile(dataset, level, x, y, parent);
tileMutex.WaitOne();
tiles.Add(tileKey, retTile);
tileMutex.ReleaseMutex();
}
else
{
retTile = tiles[tileKey];
}
}
catch
{
if (Earth3d.Logging) { Earth3d.WriteLogMessage("GetTile: Exception"); }
}
finally
{
//todoperf get rid of this write for GC
retTile.AccessCount = AccessID++;
}
// Create if not ready to render
if (!retTile.ReadyToRender)
{
TileCache.GetTileFromWeb(retTile, false);
retTile.CreateGeometry(Earth3d.MainWindow.RenderContext11, false);
}
return retTile;
}
public static Tile GetTile(int level, int x, int y, IImageSet dataset, Tile parent)
{
if (level < dataset.BaseLevel)
{
return null;
}
Tile retTile = null;
long tileKey = ImageSetHelper.GetTileKey(dataset, level, x, y);
try
{
if (!tiles.ContainsKey(tileKey))
{
retTile = ImageSetHelper.GetNewTile(dataset, level, x, y, parent);
tileMutex.WaitOne();
tiles.Add(tileKey, retTile);
tileMutex.ReleaseMutex();
}
else
{
retTile = tiles[tileKey];
}
}
catch
{
if (Earth3d.Logging) { Earth3d.WriteLogMessage("GetTile: Exception"); }
}
finally
{
//todoperf get rid of this write for GC
retTile.AccessCount = AccessID++;
}
return retTile;
}
protected void ComputeBoundingSphere(Tile parent, double altitude)
{
InitializeGrids();
var pointList = BufferPool11.GetVector3dBuffer(vertexList.Count);
var scaleFactor = (1 + (altitude / DemScaleFactor));
if (DemEnabled)
{
for (var i = 0; i < vertexList.Count; i++)
{
pointList[i] = Vector3d.Scale(vertexList[i].Position, scaleFactor);
}
}
else
{
for (var i = 0; i < vertexList.Count; i++)
{
pointList[i] = vertexList[i].Position;
}
}
TopLeft = new Vector3d(Vector3d.Scale(bounds[0, 0].Position, scaleFactor));
BottomRight = new Vector3d(Vector3d.Scale(bounds[2, 2].Position, scaleFactor));
TopRight = new Vector3d(Vector3d.Scale(bounds[2, 0].Position, scaleFactor));
BottomLeft = new Vector3d(Vector3d.Scale(bounds[0, 2].Position, scaleFactor));
CalcSphere(pointList);
BufferPool11.ReturnVector3dBuffer(pointList);
if (Level == 5 || Level == 12)
{
localCenter = sphereCenter;
localCenter.Round();
}
else if (Level > 5)
{
localCenter = parent.localCenter;
}
ReturnBuffers();
}
//todoperf this needs to be pointer free
protected void RemoveChild(Tile child)
{
//We are pointer free so this is not needed
}
public static Tile GetCachedTile(int level, int x, int y, IImageSet dataset, Tile parent)
{
if (level < dataset.BaseLevel)
{
return null;
}
Tile retTile = null;
long tileKey = ImageSetHelper.GetTileKey(dataset, level, x, y);
try
{
if (!tiles.ContainsKey(tileKey))
{
return null;
}
else
{
retTile = tiles[tileKey];
}
}
catch
{
if (Earth3d.Logging) { Earth3d.WriteLogMessage("Tile Initialize: Exception"); }
}
return retTile;
}
protected void ComputeBoundingSphereBottomsUp(Tile parent)
{
var tileDegrees = dataset.BaseTileDegrees / Math.Pow(2, level);
var latMin = (-90 + ((y + 1) * tileDegrees));
var latMax = (-90 + (y * tileDegrees));
var lngMin = ((x * tileDegrees) - 180.0);
var lngMax = (((x + 1) * tileDegrees) - 180.0);
var latCenter = (latMin + latMax) / 2.0;
var lngCenter = (lngMin + lngMax) / 2.0;
if (level == 12 || level == 19)
{
var temp = Coordinates.GeoTo3dDouble(latCenter, lngCenter);
localCenter = new Vector3d(temp.X, temp.Y, temp.Z);
}
else if (level > 12)
{
localCenter = parent.localCenter;
}
sphereCenter = GeoTo3d(latCenter, lngCenter, false);
TopLeft = GeoTo3dWithAltitude(latMin, lngMin, false);
BottomRight = GeoTo3dWithAltitude(latMax, lngMax, false);
TopRight = GeoTo3dWithAltitude(latMin, lngMax, false);
BottomLeft = GeoTo3dWithAltitude(latMax, lngMin, false);
var distVect = TopLeft;
distVect.Subtract(sphereCenter);
sphereRadius = distVect.Length();
tileDegrees = lngMax - lngMin;
}
public static void GetDemTileFromWeb(Tile retTile)
{
string directory = retTile.DemDirectory;
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
string filename = retTile.DemFilename;
FileInfo fi = new FileInfo(filename);
bool exists = fi.Exists;
if (exists)
{
if (fi.Length != 2178 && fi.Length != 1026 && fi.Length != 2052 && (retTile.Dataset.Projection != ProjectionType.Mercator))
{
try
{
File.Delete(filename);
}
catch
{
}
exists = false;
}
}
if (!exists)
{
try
{
WebClient Client = new WebClient();
Client.Headers.Add("User-Agent", "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)");
string dlFile = string.Format("{0}.tmp{1}", filename, NodeID);
Client.DownloadFile(CacheProxy.GetCacheUrl(retTile.DemURL), dlFile);
try
{
if (File.Exists(dlFile))
{
if (File.Exists(filename))
{
File.Delete(filename);
}
File.Move(dlFile, filename);
}
}
catch
{
}
fi = new FileInfo(filename);
exists = fi.Exists;
}
catch
{
if (Earth3d.Logging) { Earth3d.WriteLogMessage("Dem Download: Exception"); }
exists = false;
}
}
retTile.DemReady = true;
retTile.demFileExists = exists;
return;
}
protected void ComputeBoundingSphereBottomsUp(Tile parent)
{
double tileDegrees = (double)this.dataset.BaseTileDegrees / ((double)Math.Pow(2, this.level));
double latMin = ((double)this.dataset.BaseTileDegrees / 2 + (((double)(this.y + 1)) * tileDegrees)) + dataset.OffsetY;
double latMax = ((double)this.dataset.BaseTileDegrees / 2 + (((double)this.y) * tileDegrees)) + dataset.OffsetY;
double lngMin = (((double)this.x * tileDegrees) - this.dataset.BaseTileDegrees / dataset.WidthFactor) + dataset.OffsetX;
double lngMax = ((((double)(this.x + 1)) * tileDegrees) - this.dataset.BaseTileDegrees / dataset.WidthFactor) + dataset.OffsetX;
double latCenter = (latMin + latMax) / 2.0;
double lngCenter = (lngMin + lngMax) / 2.0;
this.sphereCenter = GeoTo3d(latCenter, lngCenter, false);
TopLeft = GeoTo3d(latMin, lngMin, false);
BottomRight = GeoTo3d(latMax, lngMax, false);
TopRight = GeoTo3d(latMin, lngMax, false);
BottomLeft = GeoTo3d(latMax, lngMin, false);
Vector3d distVect = TopLeft;
distVect.Subtract(sphereCenter);
this.sphereRadius = distVect.Length();
tileDegrees = lngMax - lngMin;
if (level == 0)
{
localCenter = sphereCenter;
}
else
{
localCenter = parent.localCenter;
}
}
public static Tile GetTileFromWeb(Tile retTile, bool Initialize)
{
WebClient Client = null;
if (retTile.Dataset.Projection == ProjectionType.SkyImage && retTile.Dataset.Url.EndsWith("/screenshot.png"))
{
SkyImageTile tile = retTile as SkyImageTile;
Client = new WebClient();
string url = tile.URL;
tile.ImageData = Client.DownloadData(url);
retTile.DemReady = true;
retTile.FileExists = true;
retTile.ReadyToRender = true;
retTile.TextureReady = true;
//retTile.CreateGeometry(Tile.prepDevice);
Client.Dispose();
return retTile;
}
Tile parent = retTile.Parent;
if (retTile.DemEnabled && (parent == null || (parent != null && parent.DemGeneration == 0)))
{
GetDemTileFromWeb(retTile);
}
else
{
retTile.DemReady = true;
}
if (retTile.Dataset.WcsImage != null && retTile.Dataset.WcsImage is FitsImage)
{
retTile.TextureReady = true;
InitializeTile(retTile);
return retTile;
}
string directory = retTile.Directory;
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
string filename = retTile.FileName;
Client = new WebClient();
FileInfo fi = new FileInfo(filename);
bool exists = fi.Exists;
if (exists)
{
if (fi.Length != 8 && fi.Length < 100 || retTile.Volitile)
{
try
{
File.Delete(filename);
}
catch
{
}
exists = false;
}
}
if (!exists)
{
try
{
if (retTile.Dataset.IsMandelbrot)
{
retTile.ComputeMandel();
fi = new FileInfo(filename);
exists = fi.Exists;
}
else
{
Client.Headers.Add("User-Agent", "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)");
string url = retTile.URL;
if (string.IsNullOrEmpty(url))
{
retTile.errored = true;
}
else
{
string dlFile = string.Format("{0}.tmp{1}",filename,NodeID);
Client.DownloadFile(CacheProxy.GetCacheUrl(url), dlFile);
try
{
if (File.Exists(dlFile))
{
if (File.Exists(filename))
{
File.Delete(filename);
}
File.Move(dlFile, filename);
}
}
catch
{
// UiTools.ShowMessageBox("File Download collision catch");
}
fi = new FileInfo(filename);
exists = fi.Exists;
}
// Code for drawing tile it onto tile for debuggin
//if (retTile.Dataset.Projection == ProjectionType.Toast)
//{
// //Bitmap bmpText = new Bitmap(filename);
// Bitmap bmpText = UiTools.LoadBitmap(filename);
// Graphics g = Graphics.FromImage(bmpText);
// g.DrawString(retTile.Key, UiTools.StandardRegular, UiTools.StadardTextBrush, new RectangleF(0, 0, 255, 255), UiTools.StringFormatCenterCenter);
// g.Flush();
// g.Dispose();
// bmpText.Save(filename);
// bmpText.Dispose();
//}
}
}
catch
{
//todo retry login on non - HTTP failuers.
if (Earth3d.Logging) { Earth3d.WriteLogMessage("Tile Download: Exception" ); }
retTile.errored = true;
}
}
try
{
if (exists)
{
if (fi.Length < 100 || (fi.Length == 1033))
{
retTile.errored = true;
return retTile;
}
}
// todo 3d Cities remove support for 3d Cities for now
if (retTile.Dataset.Projection == ProjectionType.Mercator && Properties.Settings.Default.Show3dCities)
{
string tileID = retTile.GetTileID();
//check coverage cache before downloading
int gen = CoverageMap.GetCoverage(tileID);
if (gen > 0)
{
//try downloading mesh
try
{
string meshFilename = retTile.FileName + ".mesh";
if (!File.Exists(meshFilename))
{
Client.Headers.Add("User-Agent", "Win8Microsoft.BingMaps.3DControl/2.214.2315.0 (;;;;x64 Windows RT)");
string dlFile = string.Format("{0}.tmp{1}", meshFilename, NodeID);
Client.DownloadFile(string.Format("http://ak.t{1}.tiles.virtualearth.net/tiles/mtx{0}?g={2}", tileID, Tile.GetServerID(retTile.X, retTile.Y), gen.ToString()), dlFile);
try
{
if (File.Exists(dlFile))
{
if (File.Exists(meshFilename))
{
File.Delete(meshFilename);
}
File.Move(dlFile, meshFilename);
}
}
catch
{
// UiTools.ShowMessageBox("File Download collision catch");
}
}
}
catch
{
}
}
}
retTile.FileExists = true;
retTile.TextureReady = true;
if (Initialize)
{
InitializeTile(retTile);
}
}
catch (System.Exception)
{
if (Earth3d.Logging) { Earth3d.WriteLogMessage("Tile Initialize: Exception"); }
retTile.errored = true;
}
return retTile;
}
public override bool Draw3D(RenderContext11 renderContext, float opacity, Tile parent)
{
InViewFrustum = true;
RenderedGeneration = CurrentRenderGeneration;
if (!ReadyToRender)
{
TileCache.AddTileToQueue(this);
return false;
}
InViewFrustum = true;
if (starVertexBuffer == null)
{
starProfile = Texture11.FromBitmap( Resources.StarProfile);
var count = stars.Count;
var index = 0;
starCount = count;
starVertexBuffer = new PositionColorSizeVertexBuffer11(count, RenderContext11.PrepDevice);
var points = (PositionColorSize[])starVertexBuffer.Lock(0, 0); // Lock the buffer (which will return our structs)
foreach (var star in stars)
{
var pos = Coordinates.RADecTo3d(star.RA + 12, star.Dec, 1f);
points[index].Position = pos.Vector3;
points[index].Color = star.Col;
var radDec = (.5) / Math.Pow(1.6, star.Magnitude);
points[index].size = (float)radDec;
index++;
}
starVertexBuffer.Unlock();
}
renderContext.SetVertexBuffer(starVertexBuffer);
renderContext.BlendMode = BlendMode.Additive;
renderContext.DepthStencilMode = DepthStencilMode.Off;
renderContext.setRasterizerState(TriangleCullMode.Off);
var mvp = (renderContext.World * renderContext.View * renderContext.Projection).Matrix11;
mvp.Transpose();
PointSpriteShader11.WVPMatrix = mvp;
PointSpriteShader11.Color = Color.White;
var adjustedScale = (float)(1 / (Earth3d.MainWindow.ZoomFactor / 360));
PointSpriteShader11.ViewportScale = new Vector2((2.0f / renderContext.ViewPort.Width) * adjustedScale, (2.0f / renderContext.ViewPort.Height) * adjustedScale);
PointSpriteShader11.PointScaleFactors = new Vector3(0.0f, 0.0f, 10000.0f);
PointSpriteShader11.Use(renderContext.Device.ImmediateContext);
renderContext.Device.ImmediateContext.PixelShader.SetShaderResource(0, starProfile.ResourceView);
renderContext.devContext.InputAssembler.PrimitiveTopology = PrimitiveTopology.PointList;
renderContext.devContext.Draw(starCount, 0);
renderContext.Device.ImmediateContext.GeometryShader.Set(null);
// Reset blend mode so we don't mess up subsequent sky layer rendering
renderContext.BlendMode = BlendMode.Alpha;
return true;
}
public static void InitializeTile(Tile tile)
{
bool loaded = false;
while (!loaded && TileCache.running)
{
WaitingTileQueueMutex.WaitOne();
if (CountToLoad > 0)
{
CountToLoad--;
CountToLoad = Math.Max(0, CountToLoad);
// CountToLoad = 0;
loaded = true;
}
WaitingTileQueueMutex.ReleaseMutex();
if (loaded)
{
if (tile != null)
{
tile.CreateGeometry(Earth3d.MainWindow.RenderContext11, false);
tilesLoadedThisFrame++;
}
}
else
{
WaitingTileQueueEvent.WaitOne();
}
}
}
protected void ComputeBoundingSphereBottomsUp(Tile parent)
{
double tileDegrees = (double)this.dataset.BaseTileDegrees / ((double)Math.Pow(2, this.level));
double latMin = (-90 + (((double)(this.y + 1)) * tileDegrees));
double latMax = (-90 + (((double)this.y) * tileDegrees));
double lngMin = (((double)this.x * tileDegrees) - 180.0);
double lngMax = ((((double)(this.x + 1)) * tileDegrees) - 180.0);
double latCenter = (latMin + latMax) / 2.0;
double lngCenter = (lngMin + lngMax) / 2.0;
if (level == 12 || level == 19)
{
Vector3d temp = Coordinates.GeoTo3dDouble(latCenter, lngCenter);
localCenter = new Vector3d(temp.X, temp.Y, temp.Z);
}
else if (level > 12)
{
localCenter = parent.localCenter;
}
this.sphereCenter = GeoTo3d(latCenter, lngCenter, false);
TopLeft = GeoTo3dWithAltitude(latMin, lngMin, false);
BottomRight = GeoTo3dWithAltitude(latMax, lngMax, false);
TopRight = GeoTo3dWithAltitude(latMin, lngMax, false);
BottomLeft = GeoTo3dWithAltitude(latMax, lngMin, false);
Vector3d distVect = TopLeft;
distVect.Subtract(sphereCenter);
this.sphereRadius = distVect.Length();
tileDegrees = lngMax - lngMin;
}