private int WriteMetadata([NotNull] Stream stream, [NotNull] Map map)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (map == null)
{
throw new ArgumentNullException("map");
}
BinaryWriter writer = new BinaryWriter(stream);
int metaCount = 0;
lock (map.Metadata.SyncRoot)
{
foreach (var entry in map.Metadata)
{
WriteMetadataEntry(entry.Group, entry.Key, entry.Value, writer);
metaCount++;
}
}
//extensions
if (_extensions.Count > 0)
{
metaCount += _extensions.Values.Sum(ex => ex.Serialize(map, stream, this));
}
return(metaCount);
}
public Map Load([NotNull] string fileName)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
using (FileStream mapStream = File.OpenRead(fileName)) {
BinaryReader reader = new BinaryReader(mapStream);
Map map = LoadHeaderInternal(reader);
// read the layer index
int layerCount = reader.ReadByte();
if (layerCount < 1)
{
throw new MapFormatException("No data layers found.");
}
mapStream.Seek(25 * layerCount, SeekOrigin.Current);
// read metadata
int metaSize = reader.ReadInt32();
using (DeflateStream ds = new DeflateStream(mapStream, CompressionMode.Decompress)) {
BinaryReader br = new BinaryReader(ds);
for (int i = 0; i < metaSize; i++)
{
string group = ReadLengthPrefixedString(br).ToLowerInvariant();
string key = ReadLengthPrefixedString(br).ToLowerInvariant();
string newValue = ReadLengthPrefixedString(br);
string oldValue;
IConverterExtension ex;
if (_extensions.TryGetValue(group, out ex))
{
ex.Deserialize(group, key, newValue, map);
}
else
{
if (map.Metadata.TryGetValue(key, group, out oldValue) && oldValue != newValue)
{
Logger.Log(LogType.Warning,
"MapFCMv3.LoadHeader: Duplicate metadata entry found for [{0}].[{1}]. " +
"Old value (overwritten): \"{2}\". New value: \"{3}\"",
group, key, oldValue, newValue);
}
map.Metadata[group, key] = newValue;
}
}
map.Blocks = new byte[map.Volume];
ds.Read(map.Blocks, 0, map.Blocks.Length);
//map.RemoveUnknownBlocktypes();
}
return(map);
}
}
public Map LoadHeader([NotNull] string fileName)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
Map map = Load(fileName);
map.Blocks = null;
return(map);
}
public bool Save([NotNull] Map mapToSave, [NotNull] string fileName)
{
if (mapToSave == null)
{
throw new ArgumentNullException("mapToSave");
}
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
throw new NotImplementedException();
}
static void LoadBlocks([NotNull] Map map, [NotNull] Stream mapStream)
{
mapStream.Seek(0, SeekOrigin.Begin);
// Setup a GZipStream to decompress and read the map file
GZipStream gs = new GZipStream(mapStream, CompressionMode.Decompress, true);
BinaryReader bs = new BinaryReader(gs);
int blockCount = IPAddress.HostToNetworkOrder(bs.ReadInt32());
if (blockCount != map.Volume)
{
throw new Exception("Map dimensions in the metadata do not match dimensions of the block array.");
}
map.Blocks = new byte[blockCount];
bs.Read(map.Blocks, 0, map.Blocks.Length);
//map.RemoveUnknownBlocktypes();
}
static Map LoadHeaderInternal([NotNull] Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
BinaryReader bs = new BinaryReader(stream);
// Read in the magic number
if (bs.ReadByte() != 0xbe || bs.ReadByte() != 0xee || bs.ReadByte() != 0xef)
{
throw new MapFormatException("MinerCPP map header is incorrect.");
}
// Read in the map dimesions
// Saved in big endian for who-know-what reason.
// XYZ(?)
int width = IPAddress.NetworkToHostOrder(bs.ReadInt16());
int height = IPAddress.NetworkToHostOrder(bs.ReadInt16());
int length = IPAddress.NetworkToHostOrder(bs.ReadInt16());
// ReSharper disable UseObjectOrCollectionInitializer
Map map = new Map(null, width, length, height, false);
// ReSharper restore UseObjectOrCollectionInitializer
// Read in the spawn location
// XYZ(?)
map.Spawn = new Position {
X = IPAddress.NetworkToHostOrder(bs.ReadInt16()),
Z = IPAddress.NetworkToHostOrder(bs.ReadInt16()),
Y = IPAddress.NetworkToHostOrder(bs.ReadInt16()),
R = bs.ReadByte(),
L = bs.ReadByte()
};
// Skip over the block count, totally useless
bs.ReadInt32();
return(map);
}
public bool Save([NotNull] Map mapToSave, [NotNull] string fileName)
{
if (mapToSave == null)
{
throw new ArgumentNullException("mapToSave");
}
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
using (FileStream mapStream = File.Create(fileName)) {
using (GZipStream gs = new GZipStream(mapStream, CompressionMode.Compress)) {
BinaryWriter bs = new BinaryWriter(gs);
// Write out the magic number
bs.Write(new byte[] { 0xbe, 0xee, 0xef });
// Save the map dimensions
// XYZ(?)
bs.Write((ushort)IPAddress.HostToNetworkOrder((short)mapToSave.Width));
bs.Write((ushort)IPAddress.HostToNetworkOrder((short)mapToSave.Height));
bs.Write((ushort)IPAddress.HostToNetworkOrder((short)mapToSave.Length));
// Save the spawn location
bs.Write(IPAddress.HostToNetworkOrder(mapToSave.Spawn.X));
bs.Write(IPAddress.HostToNetworkOrder(mapToSave.Spawn.Z));
bs.Write(IPAddress.HostToNetworkOrder(mapToSave.Spawn.Y));
// Save the spawn orientation
bs.Write(mapToSave.Spawn.R);
bs.Write(mapToSave.Spawn.L);
// Write out the block count (which is totally useless, can't stress that enough.)
bs.Write(IPAddress.HostToNetworkOrder(mapToSave.Blocks.Length));
// Write out the map data
MapUtility.WriteAll(mapToSave.Blocks, bs);
return(true);
}
}
}
static Map LoadMeta([NotNull] Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
INIFile metaFile = new INIFile(stream);
if (metaFile.IsEmpty)
{
throw new Exception("Metadata file is empty or incorrectly formatted.");
}
if (!metaFile.Contains("size", "x", "y", "z"))
{
throw new Exception("Metadata file is missing map dimensions.");
}
int width = Int32.Parse(metaFile["size", "x"]);
int length = Int32.Parse(metaFile["size", "z"]);
int height = Int32.Parse(metaFile["size", "y"]);
Map map = new Map(null, width, length, height, false);
if (!map.ValidateHeader())
{
throw new MapFormatException("One or more of the map dimensions are invalid.");
}
if (metaFile.Contains("spawn", "x", "y", "z", "h"))
{
map.Spawn = new Position {
X = (short)(Int16.Parse(metaFile["spawn", "x"]) * 32 + 16),
Y = (short)(Int16.Parse(metaFile["spawn", "z"]) * 32 + 16),
Z = (short)(Int16.Parse(metaFile["spawn", "y"]) * 32 + 16),
R = Byte.Parse(metaFile["spawn", "h"]),
L = 0
};
}
return(map);
}
static Map LoadHeaderInternal([NotNull] BinaryReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
if (reader.ReadInt32() != Identifier || reader.ReadByte() != Revision)
{
throw new MapFormatException();
}
// read dimensions
int width = reader.ReadInt16();
int height = reader.ReadInt16();
int length = reader.ReadInt16();
// ReSharper disable UseObjectOrCollectionInitializer
Map map = new Map(null, width, length, height, false);
// ReSharper restore UseObjectOrCollectionInitializer
// read spawn
map.Spawn = new Position {
X = (short)reader.ReadInt32(),
Z = (short)reader.ReadInt32(),
Y = (short)reader.ReadInt32(),
R = reader.ReadByte(),
L = reader.ReadByte()
};
// read modification/creation times
map.DateModified = DateTimeUtil.ToDateTimeLegacy(reader.ReadUInt32());
map.DateCreated = DateTimeUtil.ToDateTimeLegacy(reader.ReadUInt32());
// read UUID
map.Guid = new Guid(reader.ReadBytes(16));
return(map);
}
public Map Load([NotNull] string fileName)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
using (FileStream mapStream = File.OpenRead(fileName)) {
GZipStream gs = new GZipStream(mapStream, CompressionMode.Decompress, true);
NBTag tag = NBTag.ReadStream(gs);
NBTag mapTag = tag["Map"];
// ReSharper disable UseObjectOrCollectionInitializer
Map map = new Map(null,
mapTag["Width"].GetShort(),
mapTag["Length"].GetShort(),
mapTag["Height"].GetShort(),
false);
map.Spawn = new Position {
X = mapTag["Spawn"][0].GetShort(),
Z = mapTag["Spawn"][1].GetShort(),
Y = mapTag["Spawn"][2].GetShort(),
R = 0,
L = 0
};
// ReSharper restore UseObjectOrCollectionInitializer
if (!map.ValidateHeader())
{
throw new MapFormatException("One or more of the map dimensions are invalid.");
}
map.Blocks = mapTag["Blocks"].GetBytes();
//map.RemoveUnknownBlocktypes();
return(map);
}
}
public Map Load([NotNull] string fileName)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
using (FileStream mapStream = File.OpenRead(fileName)) {
// Setup a GZipStream to decompress and read the map file
using (GZipStream gs = new GZipStream(mapStream, CompressionMode.Decompress, true)) {
Map map = LoadHeaderInternal(gs);
if (!map.ValidateHeader())
{
throw new MapFormatException("One or more of the map dimensions are invalid.");
}
// Read in the map data
map.Blocks = new byte[map.Volume];
mapStream.Read(map.Blocks, 0, map.Blocks.Length);
return(map);
}
}
}
public bool Save([NotNull] Map mapToSave, [NotNull] string fileName)
{
if (mapToSave == null)
{
throw new ArgumentNullException("mapToSave");
}
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
using (FileStream mapStream = File.Create(fileName)) {
BinaryWriter writer = new BinaryWriter(mapStream);
writer.Write(Identifier);
writer.Write(Revision);
writer.Write((short)mapToSave.Width);
writer.Write((short)mapToSave.Height);
writer.Write((short)mapToSave.Length);
writer.Write((int)mapToSave.Spawn.X);
writer.Write((int)mapToSave.Spawn.Z);
writer.Write((int)mapToSave.Spawn.Y);
writer.Write(mapToSave.Spawn.R);
writer.Write(mapToSave.Spawn.L);
mapToSave.DateModified = DateTime.UtcNow;
writer.Write((uint)mapToSave.DateModified.ToUnixTimeLegacy());
writer.Write((uint)mapToSave.DateCreated.ToUnixTimeLegacy());
writer.Write(mapToSave.Guid.ToByteArray());
writer.Write((byte)1); // layer count
// skip over index and metacount
long indexOffset = mapStream.Position;
writer.Seek(29, SeekOrigin.Current);
byte[] blocksCache = mapToSave.Blocks;
int metaCount, compressedLength;
long offset;
using (DeflateStream ds = new DeflateStream(mapStream, CompressionMode.Compress, true)) {
using (BufferedStream bs = new BufferedStream(ds)) {
// write metadata
metaCount = WriteMetadata(bs, mapToSave);
offset = mapStream.Position;
bs.Flush();
MapUtility.WriteAll(blocksCache, bs);
compressedLength = (int)(mapStream.Position - offset);
}
}
// come back to write the index
writer.BaseStream.Seek(indexOffset, SeekOrigin.Begin);
writer.Write((byte)0); // data layer type (Blocks)
writer.Write(offset); // offset, in bytes, from start of stream
writer.Write(compressedLength); // compressed length, in bytes
writer.Write(0); // general purpose field
writer.Write(1); // element size
writer.Write(blocksCache.Length); // element count
writer.Write(metaCount);
return(true);
}
}
