public byte[] Load( Stream stream, Game game, out int width, out int height, out int length )
{
byte[] map = null;
width = 0;
height = 0;
length = 0;
LocalPlayer p = game.LocalPlayer;
p.Spawn = Vector3.Zero;
GZipHeaderReader gsHeader = new GZipHeaderReader();
while( !gsHeader.ReadHeader( stream ) ) { }
using( DeflateStream gs = new DeflateStream( stream, CompressionMode.Decompress ) ) {
reader = new BinaryReader( gs );
ClassDescription obj = ReadData();
for( int i = 0; i < obj.Fields.Length; i++ ) {
FieldDescription field = obj.Fields[i];
if( field.FieldName == "width" )
width = (int)field.Value;
else if( field.FieldName == "height" )
length = (int)field.Value;
else if( field.FieldName == "depth" )
height = (int)field.Value;
else if( field.FieldName == "blocks" )
map = (byte[])field.Value;
else if( field.FieldName == "xSpawn" )
p.Spawn.X = (int)field.Value;
else if( field.FieldName == "ySpawn" )
p.Spawn.Y = (int)field.Value;
else if( field.FieldName == "zSpawn" )
p.Spawn.Z = (int)field.Value;
}
}
return map;
}
public byte[] Load( Stream stream, Game game, out int width, out int height, out int length )
{
GZipHeaderReader gsHeader = new GZipHeaderReader();
while( !gsHeader.ReadHeader( stream ) ) { }
using( DeflateStream gs = new DeflateStream( stream, CompressionMode.Decompress ) ) {
BinaryReader r = new BinaryReader( gs );
ushort header = r.ReadUInt16();
width = header == Version ? r.ReadUInt16() : header;
length = r.ReadUInt16();
height = r.ReadUInt16();
LocalPlayer p = game.LocalPlayer;
p.Spawn.X = r.ReadUInt16();
p.Spawn.Z = r.ReadUInt16();
p.Spawn.Y = r.ReadUInt16();
p.SpawnYaw = (float)Utils.PackedToDegrees( r.ReadByte() );
p.SpawnPitch = (float)Utils.PackedToDegrees( r.ReadByte() );
if( header == Version )
r.ReadUInt16(); // pervisit and perbuild perms
byte[] blocks = new byte[width * height * length];
int read = gs.Read( blocks, 0, blocks.Length );
ConvertPhysicsBlocks( blocks );
if( gs.ReadByte() != 0xBD ) return blocks;
ReadCustomBlocks( gs, width, height, length, blocks );
return blocks;
}
}
public byte[] Load( Stream stream, Game game, out int width, out int height, out int length )
{
GZipHeaderReader gsHeader = new GZipHeaderReader();
while( !gsHeader.ReadHeader( stream ) ) { }
using( DeflateStream gs = new DeflateStream( stream, CompressionMode.Decompress ) ) {
reader = new BinaryReader( gs );
if( reader.ReadByte() != (byte)NbtTagType.Compound )
throw new InvalidDataException( "Nbt file must start with Tag_Compound" );
this.game = game;
map = game.World;
file = new NbtFile( reader );
NbtTag root = file.ReadTag( (byte)NbtTagType.Compound, true );
NbtCompound children = (NbtCompound)root.Value;
if( children.ContainsKey( "Metadata" ) )
ParseMetadata( children );
NbtCompound spawn = (NbtCompound)children["Spawn"].Value;
LocalPlayer p = game.LocalPlayer;
p.Spawn.X = (short)spawn["X"].Value;
p.Spawn.Y = (short)spawn["Y"].Value;
p.Spawn.Z = (short)spawn["Z"].Value;
if( spawn.ContainsKey( "H" ) )
p.SpawnYaw = (float)Utils.PackedToDegrees( (byte)spawn["H"].Value );
if( spawn.ContainsKey( "P" ) )
p.SpawnPitch = (float)Utils.PackedToDegrees( (byte)spawn["P"].Value );
map.Uuid = new Guid( (byte[])children["UUID"].Value );
width = (short)children["X"].Value;
height = (short)children["Y"].Value;
length = (short)children["Z"].Value;
// Older versions incorrectly multiplied spawn coords by * 32, so we check for that.
if( p.Spawn.X < 0 || p.Spawn.X >= width || p.Spawn.Y < 0 ||
p.Spawn.Y >= height || p.Spawn.Z < 0 || p.Spawn.Z >= length ) {
p.Spawn.X /= 32; p.Spawn.Y /= 32; p.Spawn.Z /= 32;
}
return (byte[])children["BlockArray"].Value;
}
}
internal void HandleLevelDataChunk()
{
// Workaround for some servers that send LevelDataChunk before LevelInit
// due to their async packet sending behaviour.
if (gzipStream == null)
{
HandleLevelInit();
}
int usedLength = reader.ReadInt16();
gzippedMap.Position = 0;
gzippedMap.Offset = reader.index;
gzippedMap.SetLength(usedLength);
if (gzipHeader.done || gzipHeader.ReadHeader(gzippedMap))
{
if (mapSizeIndex < 4)
{
mapSizeIndex += gzipStream.Read(mapSize, mapSizeIndex, 4 - mapSizeIndex);
}
if (mapSizeIndex == 4)
{
if (map == null)
{
int size = mapSize[0] << 24 | mapSize[1] << 16 | mapSize[2] << 8 | mapSize[3];
map = new byte[size];
}
mapIndex += gzipStream.Read(map, mapIndex, map.Length - mapIndex);
}
}
reader.Skip(1025); // also skip progress since we calculate client side
float progress = map == null ? 0 : (float)mapIndex / map.Length;
game.WorldEvents.RaiseMapLoading(progress);
}
