private void UpdateClipmaps()
{
// This avoids the clipmap from overruning and going bad
if (m_sectorsToWorkParallel.Count > 0)
{
return;
}
Vector3D camera = MySector.MainCamera.Position - PlanetTranslation;
double distance = camera.Length();
// Update only if relevant
if (distance > Planet.AverageRadius + m_clipmaps[0].FaceHalf && Proxies.Count == 0)
{
return;
}
distance = Math.Abs(Planet.Provider.Shape.GetDistanceToSurfaceCacheless(camera));
// Get cubemap coordinates
Vector2D texcoords;
int direction;
MyPlanetCubemapHelper.ProjectToCube(ref camera, out direction, out texcoords);
// Update each clipmap accordingly.
for (int face = 0; face < 6; ++face)
{
ActiveFace = face;
ActiveClipmap = m_clipmaps[face];
Vector2D localCoords;
MyPlanetCubemapHelper.TranslateTexcoordsToFace(ref texcoords, direction, face, out localCoords);
Vector3D pos;
pos.X = localCoords.X * ActiveClipmap.FaceHalf;
pos.Y = localCoords.Y * ActiveClipmap.FaceHalf;
if ((face ^ direction) == 1)
{
pos.Z = distance + Planet.AverageRadius * 2;
}
else
{
pos.Z = distance;
}
//pos.Z = 0;
ActiveClipmap.Update(pos);
EvaluateOperations(); // Enqueue operations from this clipmap.
}
ActiveFace = -1;
}
public MyEnvironmentSector GetSectorForPosition(Vector3D positionWorld)
{
var positionLocal = positionWorld - PlanetTranslation;
int face;
Vector2D texcoords;
MyPlanetCubemapHelper.ProjectToCube(ref positionLocal, out face, out texcoords);
texcoords *= m_clipmaps[face].FaceHalf;
var handler = m_clipmaps[face].GetHandler(texcoords);
if (handler != null)
{
return(handler.EnvironmentSector);
}
return(null);
}