public void ExtendExistingPatches()
{
if (MaxSpread != 177)
{
throw new Exception($"Unexpected value of MaxSpread={MaxSpread}");
}
var filenames = (new DirectoryInfo(LunarHorizon.HorizonsRoot)).EnumerateFiles("*.bin").Select(fi => fi.FullName).ToList();
foreach (var filename in filenames)
{
var patch = TerrainPatch.ReadFrom(filename);
var stopwatch = new Stopwatch();
stopwatch.Start();
Console.WriteLine($"Starting [{patch.Line},{patch.Sample}] ...");
patch.FillPointsAndMatrices(Terrain);
try
{
var far_field = new List <TerrainPatch>();
if (MapView != null)
{
MapView.ProcessingPatches = new List <TerrainPatch> {
patch
}
}
;
var options = new ParallelOptions {
MaxDegreeOfParallelism = MaxDegreeOfParallelism
};
for (var i = 1; i < MaxSpread; i++)
{
var other1 = patch.SurroundingPatches(i).Where(p => !patch.ShadowCasters.Contains(p.Id)).ToList();
Parallel.ForEach(other1, options, o => o.FillPoints(Terrain));
var other2 = other1.Where(patch.IsOverHorizon).ToList();
if (MapView != null)
{
far_field.AddRange(other2);
MapView.FarPatches = far_field;
MapView.Invalidate();
}
Parallel.ForEach(other2, options, o => patch.UpdateHorizon(o));
}
patch.Write();
patch.InitializeHorizons(); // Unload the horizon data (100MB)
stopwatch.Stop();
var seconds_per_patch = far_field.Count == 0 ? 0f : (stopwatch.ElapsedMilliseconds / 1000f) / far_field.Count;
Console.WriteLine($" Finished [{patch.Line},{patch.Sample}] time={stopwatch.Elapsed}. sec/patch={seconds_per_patch}");
}
catch (Exception e1)
{
Console.WriteLine(e1);
Console.WriteLine(e1.StackTrace);
}
}
}