private ChunkCacheBitmap ProcessChunk(ChunkColumn chunk)
{
var items = new List <ChunkCacheBlockItem>();
byte[] bitmapMemory = new byte[16 * 16 * 4];
for (int z = 0; z < 16; z++)
{
for (int x = 0; x < 16; x++)
{
//var y = chunk.GetHeight(x, z);
var y = GetHeightFix(chunk, x, z);
var biomeId = chunk.GetBiome(x, z);
var i = (int)((16 * z * 4) + (4 * x));
var biomeColor = GetBiomeColor(biomeId);
//var c = SharpDX.Color.FromRgba(((255 << 24) & 0xFF) | ((y << 16) & 0xFF) | ((y << 8) & 0xFF) | (y & 0xFF));
var c = new SharpDX.Color(biomeColor.R, biomeColor.G, biomeColor.B, (byte)255);
//c = SharpDX.Color.Scale(c, ((y / 256f) * 0.6f) + 0.4f);
c *= (y / 255f);
//c = SharpDX.Color.Clamp(c, _minColor, _maxColor);
bitmapMemory[i] = c.B;
bitmapMemory[i + 1] = c.G;
bitmapMemory[i + 2] = c.R;
bitmapMemory[i + 3] = 255;
}
}
return(new ChunkCacheBitmap
{
X = chunk.x,
Z = chunk.z,
BitmapMemory = bitmapMemory
});
var v = items.GroupBy(ks => ks.BiomeId).Select(vs => new ChunkCacheItem()
{
BiomeId = vs.Key,
Items = vs.ToArray().ToArray(),
X = chunk.x,
Z = chunk.z
});
}
private static Task GenerateHeightmap(ChunkColumn[] columns, int chunks, bool chunkHeight)
{
return(Task.Run(() =>
{
Bitmap bitmap = new Bitmap(chunks * 16, chunks * 16);
for (int x = 0; x < chunks; x++)
{
for (int z = 0; z < chunks; z++)
{
ChunkColumn column = columns[(x * chunks) + z];
for (int cx = 0; cx < 16; cx++)
{
var rx = (x * 16) + cx;
for (int cz = 0; cz < 16; cz++)
{
var rz = (z * 16) + cz;
// var height = column.GetHeight(cx, cz);
// var temp = (int) Math.Max((byte)0,
// Math.Min((byte)255, height));
var height = 0;
if (!chunkHeight)
{
height = column.GetHeight(cx, cz);
}
else
{
var biome = BiomeUtils.GetBiomeById(column.GetBiome(cx, cz));
height = (int)Math.Max(0,
Math.Min(255, (255 * MathUtils.ConvertRange(-2f, 2f, 0f, 1f, ((biome.MinHeight + biome.MaxHeight) / 2f)))));
}
bitmap.SetPixel(rx, rz, Color.FromArgb(height, height, height));
}
}
}
}
bitmap.Save(chunkHeight ? "chunkHeight.png" : "height.png", ImageFormat.Png);
}));
}
public ChunkDataPacket(Client client, ChunkColumn column) : base(client)
{
PacketId = 0x22;
MCSerializer serializer = new MCSerializer();
serializer.WriteInt(column.X);
serializer.WriteInt(column.Z);
serializer.WriteBool(true);
serializer.WriteVarInt(column.SectionMask);
NbtWriter heightmapWriter = new NbtWriter(serializer.Stream, "root");
BitStorage heightmapStorage = new BitStorage(9, 256);
for (int y = 0; y < 256; y++)
{
for (int z = 0; z < 16; z++)
{
for (int x = 0; x < 16; x++)
{
if (column.GetBlock(x, y, z).StateId != 0)
{
heightmapStorage.Set(ChunkColumn.GetHeightmapIdx(x, z), y);
}
}
}
}
heightmapWriter.WriteLongArray("MOTION_BLOCKING", heightmapStorage.Data);
heightmapWriter.EndCompound();
heightmapWriter.Finish();
for (int y = 0; y < 256; y += 4)
{
for (int z = 0; z < 16; z += 4)
{
for (int x = 0; x < 16; x += 4)
{
serializer.WriteInt((int)column.GetBiome(x, y, z));
}
}
}
MCSerializer dataSerializer = new MCSerializer();
int primaryBitMask = column.SectionMask;
for (int y = 0; y < 16; y++)
{
if ((primaryBitMask & 0b1) == 1)
{
column.Sections[y].Write(dataSerializer);
}
primaryBitMask >>= 1;
}
byte[] encodedChunkData = dataSerializer.GetBytes();
serializer.WriteVarInt(encodedChunkData.Length);
serializer.WriteBytes(encodedChunkData);
// TODO: Block Entities
serializer.WriteVarInt(0);
Data = serializer.GetBytes();
}
