public override TerrainDescriptor GetTerrainDescriptor()
{
TerrainDescriptor td = new TerrainDescriptor();
td.heightMap = terrain.terrainData.heightmapTexture;
td.normalMap = terrain.normalmapTexture;
if (perPixelNormal != null)
{
td.normalMap = perPixelNormal;
}
td.heightMapScale = terrain.terrainData.heightmapScale;
return(td);
}
public virtual short[,] FetchTerrain(PointF startingLongLat, Rectangle regionInPixels)
{
TerrainDescriptor desc = new TerrainDescriptor() { longLat = startingLongLat, regionInPixels = regionInPixels };
if (TerrainMemory.Contains(desc))
return TerrainMemory.Get(desc);
Point location = CalculatePixelLocationInCombinedFileMap(startingLongLat);
location = Point.Add(location, new Size(regionInPixels.Left, -regionInPixels.Top));
location = Point.Subtract(location, new Size(regionInPixels.Width / 2, regionInPixels.Height / 2));
regionInPixels = new Rectangle(location, regionInPixels.Size);
//Console.WriteLine("region: " + regionInPixels);
coarseRegion = CalculateCoarseRegion(regionInPixels);
//Console.WriteLine("regionPixels: " + regionInPixels+", coarseRegion: "+coarseRegion);
sizeInPixels = regionInPixels.Size;
short[,] array = new short[sizeInPixels.Height, sizeInPixels.Width];
Point arrayOffset = new Point();
Rectangle subregionInPixels = new Rectangle();
for (int y = 0; y <= coarseRegion.Height; y += LatDiffBetweenFiles)
{
arrayOffset.X = 0;
for (int x = 0; x <= coarseRegion.Width; x += LongDiffBetweenFiles)
{
Point cp = UpdateCoarsePoint(y, x);
Point coarsePoint = CalculatePixelLocationInCombinedFileMap(cp);
string filename = GetFilenameFromLongLat(cp.X, cp.Y);
subregionInPixels = CalculateRegionInFile(regionInPixels, CalculatePixelLocationInCombinedFileMap(cp));
//Console.WriteLine("cp: "+cp+", coarsePoint: " + coarsePoint + ", filename: " + filename + ", subregion: " + subregionInPixels);
ReadHgtFile(array, filename, arrayOffset, subregionInPixels);
arrayOffset.X += subregionInPixels.Width;
}
arrayOffset.Y += subregionInPixels.Height;
}
TerrainMemory.Add(desc, array);
return array;
}
