public void ValueTest()
{
// write one named tag for every value type, and read it back
using (var ms = new MemoryStream()) {
var writer = new NbtWriter(ms, "root");
Assert.AreEqual(ms, writer.BaseStream);
{
writer.WriteByte("byte", 1);
writer.WriteShort("short", 2);
writer.WriteInt("int", 3);
writer.WriteLong("long", 4L);
writer.WriteFloat("float", 5f);
writer.WriteDouble("double", 6d);
writer.WriteByteArray("byteArray", new byte[] { 10, 11, 12 });
writer.WriteIntArray("intArray", new[] { 20, 21, 22 });
writer.WriteLongArray("longArray", new long[] { 200, 210, 220 });
writer.WriteString("string", "123");
}
Assert.IsFalse(writer.IsDone);
writer.EndCompound();
Assert.IsTrue(writer.IsDone);
writer.Finish();
ms.Position = 0;
var file = new NbtFile();
file.LoadFromStream(ms, NbtCompression.None);
TestFiles.AssertValueTest(file);
}
}
public void Serialize(MinecraftStream minecraftStream)
{
using var stream = new MinecraftStream();
using var dataStream = new MinecraftStream();
stream.WriteInt(Chunk.X);
stream.WriteInt(Chunk.Z);
stream.WriteBoolean(true); // full chunk
int chunkSectionY = 0, mask = 0;
foreach (var section in Chunk.Sections)
{
if ((changedSectionFilter & 1 << chunkSectionY) != 0)
{
mask |= 1 << chunkSectionY;
section.WriteTo(dataStream);
}
chunkSectionY++;
}
stream.WriteVarInt(mask);
Chunk.CalculateHeightmap();
var writer = new NbtWriter(stream, string.Empty);
foreach (var(type, heightmap) in Chunk.Heightmaps)
{
writer.WriteLongArray(type.ToString().ToSnakeCase().ToUpper(), heightmap.GetDataArray().Cast <long>().ToArray());
}
writer.EndCompound();
writer.Finish();
Chunk.BiomeContainer.WriteTo(stream);
dataStream.Position = 0;
stream.WriteVarInt((int)dataStream.Length);
dataStream.CopyTo(stream);
stream.WriteVarInt(0);
minecraftStream.Lock.Wait();
minecraftStream.WriteVarInt(Id.GetVarIntLength() + (int)stream.Length);
minecraftStream.WriteVarInt(Id);
stream.Position = 0;
stream.CopyTo(minecraftStream);
minecraftStream.Lock.Release();
}
public void ErrorTest()
{
byte[] dummyByteArray = { 1, 2, 3, 4, 5 };
int[] dummyIntArray = { 1, 2, 3, 4, 5 };
long[] dummyLongArray = { 1, 2, 3, 4, 5 };
MemoryStream dummyStream = new MemoryStream(dummyByteArray);
using (var ms = new MemoryStream()) {
// null constructor parameters, or a non-writable stream
Assert.Throws <ArgumentNullException>(() => new NbtWriter(null, "root"));
Assert.Throws <ArgumentNullException>(() => new NbtWriter(ms, null));
Assert.Throws <ArgumentException>(() => new NbtWriter(new NonWritableStream(), "root"));
var writer = new NbtWriter(ms, "root");
{
// use negative list size
Assert.Throws <ArgumentOutOfRangeException>(() => writer.BeginList("list", NbtTagType.Int, -1));
writer.BeginList("listOfLists", NbtTagType.List, 1);
Assert.Throws <ArgumentOutOfRangeException>(() => writer.BeginList(NbtTagType.Int, -1));
writer.BeginList(NbtTagType.Int, 0);
writer.EndList();
writer.EndList();
writer.BeginList("list", NbtTagType.Int, 1);
// invalid list type
Assert.Throws <ArgumentOutOfRangeException>(() => writer.BeginList(NbtTagType.End, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => writer.BeginList("list", NbtTagType.End, 0));
// call EndCompound when not in a compound
Assert.Throws <NbtFormatException>(writer.EndCompound);
// end list before all elements have been written
Assert.Throws <NbtFormatException>(writer.EndList);
// write the wrong kind of tag inside a list
Assert.Throws <NbtFormatException>(() => writer.WriteShort(0));
// write a named tag where an unnamed tag is expected
Assert.Throws <NbtFormatException>(() => writer.WriteInt("NamedInt", 0));
// write too many list elements
writer.WriteTag(new NbtInt());
Assert.Throws <NbtFormatException>(() => writer.WriteInt(0));
writer.EndList();
// write a null tag
Assert.Throws <ArgumentNullException>(() => writer.WriteTag(null));
// write an unnamed tag where a named tag is expected
Assert.Throws <NbtFormatException>(() => writer.WriteTag(new NbtInt()));
Assert.Throws <NbtFormatException>(() => writer.WriteInt(0));
// end a list when not in a list
Assert.Throws <NbtFormatException>(writer.EndList);
// unacceptable nulls: WriteString
Assert.Throws <ArgumentNullException>(() => writer.WriteString(null));
Assert.Throws <ArgumentNullException>(() => writer.WriteString("NullString", null));
// unacceptable nulls: WriteByteArray from array
Assert.Throws <ArgumentNullException>(() => writer.WriteByteArray(null));
Assert.Throws <ArgumentNullException>(() => writer.WriteByteArray(null, 0, 5));
Assert.Throws <ArgumentNullException>(() => writer.WriteByteArray("NullByteArray", null));
Assert.Throws <ArgumentNullException>(() => writer.WriteByteArray("NullByteArray", null, 0, 5));
// unacceptable nulls: WriteByteArray from stream
Assert.Throws <ArgumentNullException>(() => writer.WriteByteArray(null, 5));
Assert.Throws <ArgumentNullException>(() => writer.WriteByteArray(null, 5, null));
Assert.Throws <ArgumentNullException>(() => writer.WriteByteArray(dummyStream, 5, null));
Assert.Throws <ArgumentNullException>(() => writer.WriteByteArray("NullBuffer", dummyStream, 5, null));
Assert.Throws <ArgumentNullException>(() => writer.WriteByteArray("NullStream", null, 5));
Assert.Throws <ArgumentNullException>(
() => writer.WriteByteArray("NullStream", null, 5, dummyByteArray));
// unacceptable nulls: WriteIntArray
Assert.Throws <ArgumentNullException>(() => writer.WriteIntArray(null));
Assert.Throws <ArgumentNullException>(() => writer.WriteIntArray(null, 0, 5));
Assert.Throws <ArgumentNullException>(() => writer.WriteIntArray("NullIntArray", null));
Assert.Throws <ArgumentNullException>(() => writer.WriteIntArray("NullIntArray", null, 0, 5));
// unacceptable nulls: WriteIntArray
Assert.Throws <ArgumentNullException>(() => writer.WriteLongArray(null));
Assert.Throws <ArgumentNullException>(() => writer.WriteLongArray(null, 0, 5));
Assert.Throws <ArgumentNullException>(() => writer.WriteLongArray("NullLongArray", null));
Assert.Throws <ArgumentNullException>(() => writer.WriteLongArray("NullLongArray", null, 0, 5));
// non-readable streams are unacceptable
Assert.Throws <ArgumentException>(() => writer.WriteByteArray(new NonReadableStream(), 0));
Assert.Throws <ArgumentException>(
() => writer.WriteByteArray(new NonReadableStream(), 0, new byte[10]));
Assert.Throws <ArgumentException>(
() => writer.WriteByteArray("NonReadableStream", new NonReadableStream(), 0));
// trying to write array with out-of-range offset/count
Assert.Throws <ArgumentOutOfRangeException>(() => writer.WriteByteArray(dummyByteArray, -1, 5));
Assert.Throws <ArgumentOutOfRangeException>(() => writer.WriteByteArray(dummyByteArray, 0, -1));
Assert.Throws <ArgumentException>(() => writer.WriteByteArray(dummyByteArray, 0, 6));
Assert.Throws <ArgumentException>(() => writer.WriteByteArray(dummyByteArray, 1, 5));
Assert.Throws <ArgumentOutOfRangeException>(
() => writer.WriteByteArray("OutOfRangeByteArray", dummyByteArray, -1, 5));
Assert.Throws <ArgumentOutOfRangeException>(
() => writer.WriteByteArray("OutOfRangeByteArray", dummyByteArray, 0, -1));
Assert.Throws <ArgumentException>(
() => writer.WriteByteArray("OutOfRangeByteArray", dummyByteArray, 0, 6));
Assert.Throws <ArgumentException>(
() => writer.WriteByteArray("OutOfRangeByteArray", dummyByteArray, 1, 5));
Assert.Throws <ArgumentOutOfRangeException>(() => writer.WriteIntArray(dummyIntArray, -1, 5));
Assert.Throws <ArgumentOutOfRangeException>(() => writer.WriteIntArray(dummyIntArray, 0, -1));
Assert.Throws <ArgumentException>(() => writer.WriteIntArray(dummyIntArray, 0, 6));
Assert.Throws <ArgumentException>(() => writer.WriteIntArray(dummyIntArray, 1, 5));
Assert.Throws <ArgumentOutOfRangeException>(
() => writer.WriteIntArray("OutOfRangeIntArray", dummyIntArray, -1, 5));
Assert.Throws <ArgumentOutOfRangeException>(
() => writer.WriteIntArray("OutOfRangeIntArray", dummyIntArray, 0, -1));
Assert.Throws <ArgumentException>(
() => writer.WriteIntArray("OutOfRangeIntArray", dummyIntArray, 0, 6));
Assert.Throws <ArgumentException>(
() => writer.WriteIntArray("OutOfRangeIntArray", dummyIntArray, 1, 5));
Assert.Throws <ArgumentOutOfRangeException>(() => writer.WriteLongArray(dummyLongArray, -1, 5));
Assert.Throws <ArgumentOutOfRangeException>(() => writer.WriteLongArray(dummyLongArray, 0, -1));
Assert.Throws <ArgumentException>(() => writer.WriteLongArray(dummyLongArray, 0, 6));
Assert.Throws <ArgumentException>(() => writer.WriteLongArray(dummyLongArray, 1, 5));
Assert.Throws <ArgumentOutOfRangeException>(
() => writer.WriteLongArray("OutOfRangeLongArray", dummyLongArray, -1, 5));
Assert.Throws <ArgumentOutOfRangeException>(
() => writer.WriteLongArray("OutOfRangeLongArray", dummyLongArray, 0, -1));
Assert.Throws <ArgumentException>(
() => writer.WriteLongArray("OutOfRangeLongArray", dummyLongArray, 0, 6));
Assert.Throws <ArgumentException>(
() => writer.WriteLongArray("OutOfRangeLongArray", dummyLongArray, 1, 5));
// out-of-range values for stream-reading overloads of WriteByteArray
Assert.Throws <ArgumentOutOfRangeException>(() => writer.WriteByteArray(dummyStream, -1));
Assert.Throws <ArgumentOutOfRangeException>(() => writer.WriteByteArray("BadLength", dummyStream, -1));
Assert.Throws <ArgumentOutOfRangeException>(
() => writer.WriteByteArray(dummyStream, -1, dummyByteArray));
Assert.Throws <ArgumentOutOfRangeException>(
() => writer.WriteByteArray("BadLength", dummyStream, -1, dummyByteArray));
Assert.Throws <ArgumentException>(() => writer.WriteByteArray(dummyStream, 5, new byte[0]));
Assert.Throws <ArgumentException>(
() => writer.WriteByteArray("BadLength", dummyStream, 5, new byte[0]));
// trying to read from non-readable stream
Assert.Throws <ArgumentException>(
() => writer.WriteByteArray("ByteStream", new NonReadableStream(), 0));
// finish too early
Assert.Throws <NbtFormatException>(writer.Finish);
writer.EndCompound();
writer.Finish();
// write tag after finishing
Assert.Throws <NbtFormatException>(() => writer.WriteTag(new NbtInt()));
}
}
}
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();
}
public void ListTest()
{
// write short (1-element) lists of every possible kind
using (var ms = new MemoryStream()) {
var writer = new NbtWriter(ms, "Test");
writer.BeginList("LotsOfLists", NbtTagType.List, 12);
{
writer.BeginList(NbtTagType.Byte, 1);
writer.WriteByte(1);
writer.EndList();
writer.BeginList(NbtTagType.ByteArray, 1);
writer.WriteByteArray(new byte[] {
1
});
writer.EndList();
writer.BeginList(NbtTagType.Compound, 1);
writer.BeginCompound();
writer.EndCompound();
writer.EndList();
writer.BeginList(NbtTagType.Double, 1);
writer.WriteDouble(1);
writer.EndList();
writer.BeginList(NbtTagType.Float, 1);
writer.WriteFloat(1);
writer.EndList();
writer.BeginList(NbtTagType.Int, 1);
writer.WriteInt(1);
writer.EndList();
writer.BeginList(NbtTagType.IntArray, 1);
writer.WriteIntArray(new[] {
1
});
writer.EndList();
writer.BeginList(NbtTagType.List, 1);
writer.BeginList(NbtTagType.List, 0);
writer.EndList();
writer.EndList();
writer.BeginList(NbtTagType.Long, 1);
writer.WriteLong(1);
writer.EndList();
writer.BeginList(NbtTagType.Short, 1);
writer.WriteShort(1);
writer.EndList();
writer.BeginList(NbtTagType.String, 1);
writer.WriteString("ponies");
writer.EndList();
writer.BeginList(NbtTagType.LongArray, 1);
writer.WriteLongArray(new[] {
1L
});
writer.EndList();
}
writer.EndList();
Assert.IsFalse(writer.IsDone);
writer.EndCompound();
Assert.IsTrue(writer.IsDone);
writer.Finish();
ms.Position = 0;
var reader = new NbtReader(ms);
Assert.DoesNotThrow(() => reader.ReadAsTag());
}
}