public void OnPlayerDigging(IMinecraftUser user, IMinecraftPacket packet)
{
var status = (DiggingType)packet.ReadVarInt32();
var position = packet.ReadPosition();
var face = (BlockFaceType)packet.ReadByte();
_logger.LogTrace($"Status={status};Position={position};Face={face}");
if (user.Player.GameMode is ServerGameModeType.Creative)
{
IBlock previousBlock = user.Player.Map.GetBlock(position);
if (previousBlock.IsAir)
{
throw new InvalidOperationException($"Cannot dig air blocks ({position})");
}
using var playerDiggingAck = new AcknowledgePlayerDiggingPacket(position, previousBlock, DiggingType.Started);
user.Player.SendPacketToVisibleEntities(playerDiggingAck);
using var blockChange = new BlockChangePacket(BlockType.Air, position);
user.Player.SendPacketToVisibleEntities(blockChange);
IBlock block = user.Player.Map.SetBlock(BlockType.Air, position);
using var chunkPacket = new ChunkDataPacket(block.Chunk);
user.Player.SendPacketToVisibleEntities(chunkPacket, includeEntity: true);
}
else
{
// TODO: other modes
}
}
public void OnPlayerBlockPlacement(IMinecraftUser user, IMinecraftPacket packet)
{
var handType = (HandType)packet.ReadVarInt32();
Position blockPosition = packet.ReadPosition();
var blockFace = (BlockFaceType)packet.ReadVarInt32();
float cursorX = packet.ReadSingle();
float cursorY = packet.ReadSingle();
float cursorZ = packet.ReadSingle();
bool isInsideBlock = packet.ReadBoolean();
// TODO: check if the current player is interacting with an interactable object.
// Like: Chest, anvil, crafting table.
IItemSlot currentHeldItem = user.Player.HotBar.SelectedSlot;
if (currentHeldItem.HasItem)
{
BlockData block = _registry.Blocks.FirstOrDefault(x => x.ItemId == currentHeldItem.ItemId);
BlockType blockToPlace = block.Type;
if (blockToPlace is not BlockType.Air)
{
Position realBlockPosition = blockFace switch
{
BlockFaceType.Bottom => new Position(blockPosition.X, blockPosition.Y - 1, blockPosition.Z),
BlockFaceType.Top => new Position(blockPosition.X, blockPosition.Y + 1, blockPosition.Z),
BlockFaceType.North => new Position(blockPosition.X, blockPosition.Y, blockPosition.Z - 1),
BlockFaceType.South => new Position(blockPosition.X, blockPosition.Y, blockPosition.Z + 1),
BlockFaceType.West => new Position(blockPosition.X - 1, blockPosition.Y, blockPosition.Z),
BlockFaceType.East => new Position(blockPosition.X + 1, blockPosition.Y, blockPosition.Z),
_ => throw new InvalidOperationException("Invalid block face type.")
};
_logger.LogDebug($"Placing block '{blockToPlace}' at position {realBlockPosition}");
user.Player.Map.SetBlock(blockToPlace, (int)realBlockPosition.X, (int)realBlockPosition.Y, (int)realBlockPosition.Z);
using var blockChangePacket = new BlockChangePacket(blockToPlace, blockPosition);
user.Player.SendPacketToVisibleEntities(blockChangePacket);
using var chunkDataPacket = new ChunkDataPacket(user.Player.Chunk);
user.Player.SendPacketToVisibleEntities(chunkDataPacket);
}
}
}
}
/// <summary>
/// Gets a packet from the server and returns it.
/// </summary>
/// <returns>The received packet.</returns>
public Packet GetPacket()
{
var packetID = (byte)_stream.ReadByte();
//_log.Debug("Got packet ID: " + packetID); // Spammy debug message
if (!Enum.IsDefined(typeof(PacketType), (int)packetID))
{
return(null);
}
var type = (PacketType)packetID;
Packet pack = null;
switch (type)
{
case PacketType.KeepAlive:
pack = new KeepAlivePacket(_tools.ReadInt32());
break;
case PacketType.LoginRequest:
pack = new LoginRequestPacketSC
{
EntityID = _tools.ReadInt32(),
NotUsed = _tools.ReadString(),
LevelType = _tools.ReadString(),
Gamemode = _tools.ReadInt32(),
Dimension = _tools.ReadInt32(),
Difficulty = _tools.ReadSignedByte(),
WorldHeight = _tools.ReadByte(), // Not Used
MaxPlayers = _tools.ReadByte()
};
break;
case PacketType.Handshake:
pack = new HandshakePacketSC(_tools.ReadString());
break;
case PacketType.ChatMessage:
pack = new ChatMessagePacket(_tools.ReadString());
break;
case PacketType.TimeUpdate:
pack = new TimeUpdatePacket(_tools.ReadInt32());
break;
case PacketType.EntityEquipment:
pack = new EntityEquipmentPacket(_tools.ReadInt32(), _tools.ReadInt16(), _tools.ReadInt16(), _tools.ReadInt16());
break;
case PacketType.SpawnPosition:
pack = new SpawnPositionPacket(_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32());
break;
case PacketType.UseEntity:
pack = new UseEntityPacket(_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadBoolean());
break;
case PacketType.UpdateHealth:
pack = new UpdateHealthPacket(_tools.ReadInt16(), _tools.ReadInt16(), _tools.ReadSingle());
break;
case PacketType.Respawn:
pack = new RespawnPacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(),
_tools.ReadInt16(), _tools.ReadString());
break;
case PacketType.Player:
pack = new PlayerPacket(_tools.ReadBoolean());
break;
case PacketType.PlayerPosition:
pack = new PlayerPositionPacket(_tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadDouble(),
_tools.ReadBoolean());
break;
case PacketType.PlayerLook:
pack = new PlayerLookPacket(_tools.ReadSingle(), _tools.ReadSingle(), _tools.ReadBoolean());
break;
case PacketType.PlayerPositionAndLook:
pack = new PlayerPositionAndLookPacket(_tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadDouble(),
_tools.ReadDouble(), _tools.ReadSingle(), _tools.ReadSingle(),
_tools.ReadBoolean());
break;
case PacketType.PlayerDigging:
pack = new PlayerDiggingPacket(_tools.ReadSignedByte(), _tools.ReadInt32(), _tools.ReadSignedByte(),
_tools.ReadInt32(), _tools.ReadSignedByte());
break;
case PacketType.PlayerBlockPlacement:
pack = new PlayerBlockPlacementPacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32(),
_tools.ReadSignedByte(), _tools.ReadSlotData());
break;
case PacketType.UseBed:
pack = new UseBedPacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32(), _tools.ReadSignedByte(),
_tools.ReadInt32());
break;
case PacketType.Animation:
pack = new AnimationPacket(_tools.ReadInt32(), _tools.ReadSignedByte());
break;
case PacketType.NamedEntitySpawn:
pack = new NamedEntitySpawnPacket(_tools.ReadInt32(), _tools.ReadString(), _tools.ReadInt32(), _tools.ReadInt32(),
_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(),
_tools.ReadInt16());
break;
case PacketType.PickupSpawn:
pack = new PickupSpawnPacket(_tools.ReadInt32(), _tools.ReadInt16(), _tools.ReadSignedByte(), _tools.ReadInt16(),
_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadSignedByte(),
_tools.ReadSignedByte(), _tools.ReadSignedByte());
break;
case PacketType.CollectItem:
pack = new CollectItemPacket(_tools.ReadInt32(), _tools.ReadInt32());
break;
case PacketType.AddObjectVehicle:
pack = new AddObjectVehiclePacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32(),
_tools.ReadInt32(), _tools.ReadInt32());
var ftEid = _tools.ReadInt32(); ((AddObjectVehiclePacket)pack).FireballThrowerID = ftEid;
if (ftEid > 0)
{
var aovpPack = (AddObjectVehiclePacket)pack;
aovpPack.SpeedX = _tools.ReadInt16();
aovpPack.SpeedY = _tools.ReadInt16();
aovpPack.SpeedZ = _tools.ReadInt16();
pack = aovpPack;
}
break;
case PacketType.HoldingChange:
pack = new HoldingChangePacket(_tools.ReadInt16());
break;
case PacketType.MobSpawn:
pack = new MobSpawnPacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32(), _tools.ReadInt32(),
_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(),
_tools.ReadSignedByte(), _tools.ReadEntityMetadata());
break;
case PacketType.EntityPainting:
pack = new EntityPaintingPacket(_tools.ReadInt32(), _tools.ReadString(), _tools.ReadInt32(),
_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32());
break;
case PacketType.ExperienceOrb:
pack = new ExperienceOrbPacket(_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32(),
_tools.ReadInt32(), _tools.ReadInt16());
break;
case PacketType.EntityVelocity:
pack = new EntityVelocityPacket(_tools.ReadInt32(), _tools.ReadInt16(), _tools.ReadInt16(), _tools.ReadInt16());
break;
case PacketType.DestroyEntity:
pack = new DestroyEntityPacket(_tools.ReadInt32());
break;
case PacketType.Entity:
pack = new EntityPacket(_tools.ReadInt32());
break;
case PacketType.EntityRelativeMove:
pack = new EntityRelativeMovePacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(),
_tools.ReadSignedByte());
break;
case PacketType.EntityLook:
pack = new EntityLookPacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte());
break;
case PacketType.EntityLookAndRelativeMove:
pack = new EntityLookAndRelativeMovePacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(),
_tools.ReadSignedByte(), _tools.ReadSignedByte(),
_tools.ReadSignedByte());
break;
case PacketType.EntityTeleport:
pack = new EntityTeleportPacket(_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadInt32(),
_tools.ReadSignedByte(), _tools.ReadSignedByte());
break;
case PacketType.EntityHeadLook:
pack = new EntityHeadLookPacket(_tools.ReadInt32(), _tools.ReadSignedByte());
break;
case PacketType.EntityStatus:
pack = new EntityStatusPacket(_tools.ReadInt32(), _tools.ReadSignedByte());
break;
case PacketType.AttachEntity:
pack = new AttachEntityPacket(_tools.ReadInt32(), _tools.ReadInt32());
break;
case PacketType.EntityMetadata:
var entityMetadataPacket = new EntityMetadataPacket(_tools.ReadInt32());
var metaData = new List <sbyte>();
var b = true;
while (b)
{
var value = _tools.ReadSignedByte();
if (value == 127)
{
b = false;
}
metaData.Add(value);
}
entityMetadataPacket.Metadata = metaData.ToArray();
break;
case PacketType.EntityEffect:
pack = new EntityEffectPacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadSignedByte(),
_tools.ReadInt16());
break;
case PacketType.RemoveEntityEffect:
pack = new RemoveEntityEffectPacket(_tools.ReadInt32(), _tools.ReadSignedByte());
break;
case PacketType.Experience:
pack = new ExperiencePacket(_tools.ReadSingle(), _tools.ReadInt16(), _tools.ReadInt16());
break;
case PacketType.PreChunk:
pack = new PreChunkPacket(_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadBoolean());
break;
case PacketType.MapChunk:
var mapChunkPacket = new MapChunkPacket(_tools.ReadInt32(), _tools.ReadInt16(), _tools.ReadInt32(),
_tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadSignedByte());
mapChunkPacket.CompressedSize = _tools.ReadInt32();
mapChunkPacket.CompressedData = _tools.ReadSignedBytes(mapChunkPacket.CompressedSize);
pack = mapChunkPacket;
break;
case PacketType.MultiBlockChange:
var multiBlockChangePacket = new MultiBlockChangePacket(_tools.ReadInt32(), _tools.ReadInt32());
var arraySize = _tools.ReadInt16();
multiBlockChangePacket.ArraySize = arraySize;
var coordinates = new short[arraySize, 3];
for (short i = 0; i < arraySize; i++)
{
coordinates[i, 0] = _tools.ReadInt16();
coordinates[i, 1] = _tools.ReadInt16();
coordinates[i, 2] = _tools.ReadInt16();
}
multiBlockChangePacket.Coordinates = coordinates;
var types = new sbyte[arraySize];
for (short i = 0; i < arraySize; i++)
{
types[i] = _tools.ReadSignedByte();
}
multiBlockChangePacket.Types = types;
var metadata = new sbyte[arraySize];
for (short i = 0; i < arraySize; i++)
{
metadata[i] = _tools.ReadSignedByte();
}
multiBlockChangePacket.Metadata = metadata;
pack = multiBlockChangePacket;
break;
case PacketType.BlockChange:
pack = new BlockChangePacket(_tools.ReadInt32(), _tools.ReadSignedByte(), _tools.ReadInt32(),
_tools.ReadSignedByte(), _tools.ReadSignedByte());
break;
case PacketType.BlockAction:
pack = new BlockActionPacket(_tools.ReadInt32(), _tools.ReadInt16(), _tools.ReadInt32(), _tools.ReadSignedByte(),
_tools.ReadSignedByte());
break;
case PacketType.Explosion:
var explosionPacket = new ExplosionPacket(_tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadDouble(), _tools.ReadSingle());
var recordCount = _tools.ReadInt32();
explosionPacket.Count = recordCount;
var records = new sbyte[recordCount, 3];
for (var i = 0; i < recordCount; i++)
{
records[i, 0] = _tools.ReadSignedByte();
records[i, 1] = _tools.ReadSignedByte();
records[i, 2] = _tools.ReadSignedByte();
}
explosionPacket.Records = records;
pack = explosionPacket;
break;
case PacketType.SoundParticleEffect:
pack = new SoundParticleEffectPacket(_tools.ReadInt32(), _tools.ReadInt32(), _tools.ReadSignedByte(),
_tools.ReadInt32(), _tools.ReadInt32());
break;
case PacketType.NewInvalidState:
pack = new NewInvalidStatePacket(_tools.ReadSignedByte(), _tools.ReadSignedByte());
break;
case PacketType.Thunderbolt:
pack = new ThunderboltPacket(_tools.ReadInt32(), _tools.ReadBoolean(), _tools.ReadInt32(), _tools.ReadInt32(),
_tools.ReadInt32());
break;
case PacketType.OpenWindow:
pack = new OpenWindowPacket(_tools.ReadSignedByte(), _tools.ReadSignedByte(), _tools.ReadString(),
_tools.ReadSignedByte());
break;
case PacketType.CloseWindow:
pack = new CloseWindowPacket(_tools.ReadSignedByte());
break;
case PacketType.SetSlot:
pack = new SetSlotPacket(_tools.ReadSignedByte(), _tools.ReadInt16(), _tools.ReadSlotData());
break;
case PacketType.WindowItems:
var windowItemsPacket = new WindowItemsPacket(_tools.ReadSignedByte());
var count = _tools.ReadInt16();
windowItemsPacket.Count = count;
var slotData = new SlotData[count];
for (short i = 0; i < count; i++)
{
slotData[i] = _tools.ReadSlotData();
}
windowItemsPacket.SlotData = slotData;
pack = windowItemsPacket;
break;
case PacketType.UpdateWindowProperty:
pack = new UpdateWindowPropertyPacket(_tools.ReadSignedByte(), _tools.ReadInt16(), _tools.ReadInt16());
break;
case PacketType.Transaction:
pack = new TransactionPacket(_tools.ReadSignedByte(), _tools.ReadInt16(), _tools.ReadBoolean());
break;
case PacketType.CreativeInventoryAction:
pack = new CreativeInventoryActionPacket(_tools.ReadInt16(), _tools.ReadSlotData());
break;
case PacketType.UpdateSign:
pack = new UpdateSignPacket(_tools.ReadInt32(), _tools.ReadInt16(), _tools.ReadInt32(), _tools.ReadString(),
_tools.ReadString(), _tools.ReadString(), _tools.ReadString());
break;
case PacketType.ItemData:
pack = new ItemDataPacket(_tools.ReadInt16(), _tools.ReadInt16());
byte len = _tools.ReadByte();
((ItemDataPacket)pack).Length = len;
((ItemDataPacket)pack).Text = _tools.ReadSignedBytes(len);
break;
case PacketType.IncrementStatistic:
pack = new IncrementStatisticPacket(_tools.ReadInt32(), _tools.ReadSignedByte());
break;
case PacketType.PlayerListItem:
pack = new PlayerListItemPacket(_tools.ReadString(), _tools.ReadBoolean(), _tools.ReadInt16());
break;
case PacketType.PluginMessage:
pack = new PluginMessagePacket(_tools.ReadString());
var length = _tools.ReadInt16(); ((PluginMessagePacket)pack).Length = length;
((PluginMessagePacket)pack).Data = _tools.ReadSignedBytes(length);
break;
case PacketType.DisconnectKick:
pack = new DisconnectKickPacket(_tools.ReadString());
break;
}
return(pack);
}
public static void ReadBlockChange(TestClient client, PacketReader reader)
{
BlockChangePacket bc = new BlockChangePacket();
bc.Read(reader);
}
public void Handle(int id, MemoryStream ms)
{
if (_loginSucces)
{
IPacket packet = null;
switch (id)
{
case BlockChangePacket.PACKET_ID:
packet = new BlockChangePacket(ms);
break;
case ChatMessagePacket.PACKET_ID:
packet = new ChatMessagePacket(ms);
break;
case UpdateHealthPacket.PACKET_ID:
packet = new UpdateHealthPacket(ms);
break;
case ChunkDataPacket.PACKET_ID:
packet = new ChunkDataPacket(ms);
break;
case DisconnectPacket.PACKET_ID:
packet = new DisconnectPacket(ms);
break;
case KeepAlivePacket.PACKET_ID:
packet = new KeepAlivePacket(ms);
break;
case PlayerAbilitiesPacket.PACKET_ID:
packet = new PlayerAbilitiesPacket(ms);
break;
case PlayerPositionAndLookPacket.PACKET_ID:
packet = new PlayerPositionAndLookPacket(ms);
break;
case SpawnExperienceOrbPacket.PACKET_ID:
packet = new SpawnExperienceOrbPacket(ms);
break;
case SpawnGlobalEntityPacket.PACKET_ID:
packet = new SpawnGlobalEntityPacket(ms);
break;
case SpawnObjectPacket.PACKET_ID:
packet = new SpawnObjectPacket(ms);
break;
case UnloadChunkPacket.PACKET_ID:
packet = new UnloadChunkPacket(ms);
break;
case SpawnPositionPacket.PACKET_ID:
packet = new SpawnPositionPacket(ms);
break;
}
if (packet != null && PlayPacketReceivedEvent != null)
{
this.PlayPacketReceivedEvent(packet);
}
}
else
{
IPacket packet = null;
switch (id)
{
case Packet.Clientbound.Login.DisconnectPacket.PACKET_ID:
packet = new Packet.Clientbound.Login.DisconnectPacket(ms);
break;
case Packet.Clientbound.Login.LoginSuccessPacket.PACKET_ID:
packet = new Packet.Clientbound.Login.LoginSuccessPacket(ms);
break;
case Packet.Clientbound.Login.SetCompressionPacket.PACKET_ID:
packet = new Packet.Clientbound.Login.SetCompressionPacket(ms);
break;
}
if (packet != null && LoginPacketReceivedEvent != null)
{
this.LoginPacketReceivedEvent(packet);
}
}
ms.Dispose();
}
