public async static Task <byte[][]> hdt(MCTransferAsync data, int worldX, int worldZ)
{
var w = new WorldVoxelEx()
{
R = 1, X = worldX, Z = worldZ
};
byte[][] map = new byte[2][];
var hd = new byte[512 * 512];
var hdt = $"r.{w.Xs}.{w.Zs}.hdt";
using (var mem = new MemoryStream())
{
if (await data.TransferNext(hdt, mem, TxRx.RECEIVE))
{
mem.Position = 0;
mem.Read(hd, 0, 512 * 512);
map[0] = hd;
hd = new byte[512 * 512];
mem.Read(hd, 0, 512 * 512);
map[1] = hd;
}
else
{
map[0] = new byte[512 * 512];
map[1] = new byte[512 * 512];
}
}
return(map);
}
public static async Task StitchAsync(WorldVoxelEx wv, string ImgPath, MCTransferAsync Tiles, MCTransferAsync Maps, int Regions = 2, bool TransferBack = true)
{
var map = wv.CopyToWorld(Regions);
async Task MakeImage(string ImgType)
{
try
{
using (var ms1 = new MemoryStream())
using (var ms2 = new MemoryStream())
{
var FileName = $"{ImgType}{map.BaseFilename()}.png";
var LocalFileName = Path.Combine(ImgPath, FileName);
var b = await GetImgAsync(ms1, Maps, ImgPath, FileName, new Size(512, 512));
var g = Graphics.FromImage(b);
var img = wv.CopyToWorld(Regions);
var pix = WorldVoxelEx.PixelSize(img.R, wv.R);
var p = await GetImgAsync(ms2, (wv.R == 1)?Tiles : Maps, ImgPath, $"{ImgType}{wv.BaseFilename()}.png", new Size(pix, pix));
g.DrawImage(p, img.Xo, img.Zo, pix, pix);
p.Dispose();
b.Save(LocalFileName);
if (TransferBack == true)
{
using (var mem = new MemoryStream())
{
b.Save(mem, System.Drawing.Imaging.ImageFormat.Png);
mem.Position = 0;
await Maps.TransferNext(FileName, mem, TxRx.SEND);
}
}
b.Dispose();
g.Dispose();
}
}
catch (Exception ex)
{
}
}
await Task.WhenAll(MakeImage("tile"), MakeImage("topo"));
}
public static async Task <Bitmap> GetImgAsync(MemoryStream ms, MCTransferAsync transfer, string ImgPath, string filename, Size Scale)
{
Bitmap fb;
Bitmap b;
var localFileName = Path.Combine(ImgPath, filename);
if (File.Exists(localFileName))
{
using (var fs = File.Open(localFileName, FileMode.Open))
{
fs.CopyTo(ms);
ms.Position = 0;
}
fb = new Bitmap(ms);
b = new Bitmap(fb, Scale);
fb.Dispose();
return(b);
}
if (true == await transfer.TransferNext(filename, ms, TxRx.RECEIVE))
{
fb = new Bitmap(ms);
b = new Bitmap(fb, Scale);
fb.Dispose();
}
else
{
b = new Bitmap(Scale.Width, Scale.Height);
}
return(b);
}