public PlayerEntity LoadPlayer(string name)
{
PlayerEntity entity = new PlayerEntity(Difficulty);
if (LevelDirectory == null || !File.Exists(Path.Combine(LevelDirectory, "players", name + ".dat")))
{
// Return default player entity
entity.Position = SpawnPoint;
entity.SpawnPoint = SpawnPoint;
entity.Position += new Vector3(0, PlayerEntity.Height, 0);
entity.GameMode = GameMode;
return entity;
}
NbtFile file = new NbtFile();
using (Stream stream = File.Open(Path.Combine(LevelDirectory, "players", name + ".dat"), FileMode.Open))
file.LoadFromStream(stream, NbtCompression.GZip, null);
var data = file.RootTag;
entity.OnGround = data.Get<NbtByte>("OnGround").Value == 1;
entity.Air = data.Get<NbtShort>("Air").Value;
entity.Health = data.Get<NbtShort>("Health").Value;
Dimension dimension = (Dimension)data.Get<NbtInt>("Dimension").Value; // TODO
entity.Food = (short)data.Get<NbtInt>("foodLevel").Value;
entity.XpLevel = data.Get<NbtInt>("XpLevel").Value;
entity.XpTotal = data.Get<NbtInt>("XpTotal").Value;
// TODO: Set velocity based on fall distance
entity.FoodExhaustion = data.Get<NbtFloat>("foodExhaustionLevel").Value;
entity.FoodSaturation = data.Get<NbtFloat>("foodSaturationLevel").Value;
entity.XpProgress = data.Get<NbtFloat>("XpP").Value;
var equipment = data.Get<NbtList>("Equipment");
var inventory = data.Get<NbtList>("Inventory");
var motion = data.Get<NbtList>("Motion");
var pos = data.Get<NbtList>("Pos");
var rotation = data.Get<NbtList>("Rotation");
var abilities = data.Get<NbtCompound>("abilities");
// Appears to be unused, is overriden by the inventory contents
// foreach (var item in equipment.Tags)
foreach (var item in inventory)
{
var slot = Slot.FromNbt((NbtCompound)item);
slot.Index = DataSlotToNetworkSlot(slot.Index);
entity.Inventory[slot.Index] = slot;
}
entity.Velocity = new Vector3(
((NbtDouble)motion[0]).Value,
((NbtDouble)motion[1]).Value,
((NbtDouble)motion[2]).Value);
entity.Position = new Vector3(
((NbtDouble)pos[0]).Value,
((NbtDouble)pos[1]).Value,
((NbtDouble)pos[2]).Value);
if (data.Get<NbtInt>("SpawnX") != null)
{
entity.SpawnPoint = new Vector3(
data.Get<NbtInt>("SpawnX").Value,
data.Get<NbtInt>("SpawnY").Value,
data.Get<NbtInt>("SpawnZ").Value);
}
entity.Yaw = ((NbtFloat)rotation[0]).Value;
entity.Pitch = ((NbtFloat)rotation[1]).Value;
// TODO: Abilities
return entity;
}
/// <summary>
/// Retrieves the requested chunk from the region, or
/// generates it if a world generator is provided.
/// </summary>
/// <param name="position">The position of the requested local chunk coordinates.</param>
public Chunk GetChunk(Vector3 position)
{
// TODO: This could use some refactoring
lock (Chunks)
{
if (!Chunks.ContainsKey(position))
{
if (regionFile != null)
{
// Search the stream for that region
lock (regionFile)
{
var chunkData = GetChunkFromTable(position);
if (chunkData == null)
{
if (WorldGenerator == null)
throw new ArgumentException("The requested chunk is not loaded.", "position");
Chunks.Add(position, WorldGenerator.GenerateChunk(position, this));
return Chunks[position];
}
regionFile.Seek(chunkData.Item1, SeekOrigin.Begin);
int length = new MinecraftStream(regionFile).ReadInt32(); // TODO: Avoid making new objects here, and in the WriteInt32
int compressionMode = regionFile.ReadByte();
switch (compressionMode)
{
case 1: // gzip
break;
case 2: // zlib
var nbt = new NbtFile();
nbt.LoadFromStream(regionFile, NbtCompression.ZLib, null);
var chunk = Chunk.FromNbt(position, nbt);
chunk.ParentRegion = this;
Chunks.Add(position, chunk);
break;
default:
throw new InvalidDataException("Invalid compression scheme provided by region file.");
}
}
}
else if (WorldGenerator == null)
throw new ArgumentException("The requested chunk is not loaded.", "position");
else
Chunks.Add(position, WorldGenerator.GenerateChunk(position, this));
}
return Chunks[position];
}
}
private void LoadFromFile(string directory)
{
NbtFile file = new NbtFile();
using (var stream = File.Open(Path.Combine(LevelDirectory, "level.dat"), FileMode.Open))
file.LoadFromStream(stream, NbtCompression.None, null);
var data = file.RootTag.Get<NbtCompound>("Data");
var serializer = new NbtSerializer(typeof(SavedLevel));
SavedLevel level = (SavedLevel)serializer.Deserialize(data);
Name = level.LevelName;
Time = level.Time;
GameMode = (GameMode)level.GameMode;
MapFeatures = level.MapFeatures;
Seed = level.Seed;
// Find world generator
string generatorName = level.GeneratorName;
WorldGenerator = GetGenerator(generatorName);
WorldGenerator.Seed = Seed;
GeneratorOptions = level.GeneratorOptions;
WorldGenerator.Initialize(this);
SpawnPoint = level.SpawnPoint;
World = new World(this, WorldGenerator, Path.Combine(directory, "region"));
}
