/// <summary>
/// RenderableObject abstract member (needed)
/// OBS: Worker thread (don't update UI directly from this thread)
/// </summary>
public override void Initialize(DrawArgs drawArgs)
{
if (!IsVisible(drawArgs.WorldCamera))
{
return;
}
if (meshFileName.StartsWith("http"))
{
Uri meshuri = new Uri(meshFileName);
string meshpath = meshuri.AbsolutePath;
string extension = Path.GetExtension(meshpath);
//download online mesh files to cache and
//update meshfilename to new name
if (meshuri.Scheme == Uri.UriSchemeHttp ||
meshuri.Scheme == Uri.UriSchemeHttps)
{
try
{
// Offline check
if (World.Settings.WorkOffline)
{
throw new Exception("Offline mode active.");
}
WebDownload request = new WebDownload(meshFileName);
string cachefilename = request.GetHashCode() + extension;
//HACK: Hard Coded Path
cachefilename =
Directory.GetParent(System.Windows.Forms.Application.ExecutablePath) +
"//Cache//Models//" + cachefilename;
if (!File.Exists(cachefilename))
{
request.DownloadFile(cachefilename);
}
meshFileName = cachefilename;
}
catch (Exception caught)
{
Utility.Log.Write(caught);
errorMsg = "Failed to download mesh from " + meshFileName;
}
}
}
string ext = Path.GetExtension(meshFileName);
try
{
lock (m_thisLock)
{
if (m_meshTable.ContainsKey(meshFileName))
{
m_meshTableElem = m_meshTable[meshFileName];
m_meshTableElem.referenceCount++;
m_meshElems = m_meshTableElem.meshElems;
}
else
{
if (ext.Equals(".x"))
{
LoadDirectXMesh(drawArgs);
}
else if (ext.Equals(".dae") || ext.Equals(".xml"))
{
LoadColladaMesh(drawArgs);
}
// if mesh loaded then add to the mesh table
if (m_meshElems != null)
{
m_meshTableElem = new MeshTableElem();
m_meshTableElem.meshFilePath = meshFileName;
m_meshTableElem.meshElems = m_meshElems;
m_meshTableElem.referenceCount = 1;
m_meshTable.Add(meshFileName, m_meshTableElem);
}
}
}
if (m_meshElems == null)
{
throw new InvalidMeshException();
}
//vertExaggeration = World.Settings.VerticalExaggeration;
//if (m_isElevationRelativeToGround == true)
// currentElevation = World.TerrainAccessor.GetElevationAt(Latitude, Longitude);
if (refreshTimer == null && m_refreshurl != null)
{
refreshTimer = new System.Timers.Timer(60000);
refreshTimer.Elapsed += new System.Timers.ElapsedEventHandler(refreshTimer_Elapsed);
refreshTimer.Start();
}
isInitialized = true;
}
catch (Exception caught)
{
Utility.Log.Write(caught);
errorMsg = "Failed to read mesh from " + meshFileName;
}
}
