static void RunOptions(Options opts)
{
Console.WriteLine($"PlayerMover {Assembly.GetExecutingAssembly().GetName().Version}\n");
// validate position
try
{
var _ = opts.NewPos;
}
catch (Exception)
{
Console.WriteLine("Failed to parse position argument");
return;
}
// validate rotation
try
{
var _ = opts.NewRot;
}
catch (Exception)
{
Console.WriteLine("Failed to parse rotation argument");
return;
}
// log settings
Console.WriteLine($"Playerdata dir: {opts.DataDir}");
Console.WriteLine($"Moving players in world: {opts.FromWorldUUID}");
Console.WriteLine($"Moving players to world: DIM: {opts.Dimension} {opts.ToWorldName}/{opts.ToWorldUUID} at ({opts.NewPos}) / ({opts.NewRot})");
// confirm
Console.WriteLine("\nPLEASE MAKE A BACKUP OF YOUR WORLD BEFORE RUNNING THIS SOFTWARE - PRESS Y TO CONTINUE, OR ANY OTHER KEY TO QUIT\n");
if (!new char[] { 'y', 'Y' }.Contains(Console.ReadKey(true).KeyChar))
{
return; // force user to enter y
}
// load files
string[] files = Directory.GetFiles(opts.DataDir, "*.dat");
if (opts.Verbose)
{
Console.WriteLine($"\nLoaded {files.Length} player files");
}
// open stream to the output file for putting uuids
using StreamWriter sw = new StreamWriter(File.OpenWrite("MovedPlayers.txt"));
foreach (var fileName in files)
{
if (opts.Verbose)
{
Console.WriteLine($"\nLoading file: {fileName}");
}
var myFile = new NbtFile(fileName);
// read uuid bytes
var worldLeast = myFile.RootTag.Get <NbtLong>("WorldUUIDLeast");
var worldMost = myFile.RootTag.Get <NbtLong>("WorldUUIDMost");
// verify uuid bytes
if (worldLeast == null || worldMost == null)
{
throw new Exception($"NBT File {fileName} does not contain a valid world UUID");
}
var uuid = UUID.Read(worldMost.Value, worldLeast.Value);
if (opts.Verbose)
{
Console.WriteLine($"Existing world UUID: {uuid}");
}
// are we moving the player?
if (uuid.Equals(opts.FromWorldUUID))
{
//read player's uuid
var uuidLeast = myFile.RootTag.Get <NbtLong>("UUIDLeast");
var uuidMost = myFile.RootTag.Get <NbtLong>("UUIDMost");
// verify uuid bytes
if (worldLeast == null || worldMost == null)
{
throw new Exception($"NBT File {fileName} does not contain a valid player UUID");
}
var playerUuid = UUID.Read(uuidMost.Value, uuidLeast.Value);
Console.WriteLine($"Moving {playerUuid}");
// change world
(var newWorldMost, var newWorldLeast) = UUID.GetLongs(opts.ToWorldUUID);
worldMost.Value = newWorldMost;
worldLeast.Value = newWorldLeast;
// set spawn world
var spawnWorld = myFile.RootTag.Get <NbtString>("SpawnWorld");
if (spawnWorld != null)
{
spawnWorld.Value = opts.ToWorldName;
}
// set position
var pos = myFile.RootTag.Get <NbtList>("Pos");
pos[0] = new NbtDouble(opts.NewPos.X);
pos[1] = new NbtDouble(opts.NewPos.Y);
pos[2] = new NbtDouble(opts.NewPos.Z);
// set rotation
var rot = myFile.RootTag.Get <NbtList>("Rotation");
rot[0] = new NbtFloat(opts.NewRot.Yaw);
rot[1] = new NbtFloat(opts.NewRot.Roll);
// set velocity to 0
var motion = myFile.RootTag.Get <NbtList>("Motion");
for (int i = 0; i < motion.Count; i++)
{
motion[i] = new NbtDouble(0d);
}
// set fall distance to 0
myFile.RootTag.Get <NbtFloat>("FallDistance").Value = 0f;
// set on ground to true
myFile.RootTag.Get <NbtByte>("OnGround").Value = 0x01;
// write back to file with existing compression
myFile.SaveToFile(fileName, myFile.FileCompression);
if (opts.Verbose)
{
Console.WriteLine("Done updating NBT");
}
sw.WriteLine(playerUuid.ToString());
}
else
{
if (opts.Verbose)
{
Console.WriteLine("Move not required");
}
}
}
Console.WriteLine($"\nLog of moved players' UUIDs stored in {Path.Combine(Environment.CurrentDirectory, "MovedPlayers.txt")}");
}
