Implement entity metadata protocol handling

This commit is contained in:
ReinforceZwei 2020-08-14 21:07:21 +08:00
parent c3ace103c6
commit 44270ab394
6 changed files with 154 additions and 1 deletions

View file

@ -2111,6 +2111,16 @@ namespace MinecraftClient
{
DispatchBotEvent(bot => bot.OnUpdateScore(entityname, action, objectivename, value));
}
/// <summary>
/// Called when entity metadata added/updated
/// </summary>
/// <param name="entityID">Target entity's ID</param>
/// <param name="metadata">Metadata</param>
public void OnEntityMetadata(int entityID, Dictionary<int, object> metadata)
{
}
#endregion
}
}

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@ -494,6 +494,126 @@ namespace MinecraftClient.Protocol.Handlers
}
}
public Dictionary<int, object> ReadNextMetadata(Queue<byte> cache)
{
Dictionary<int, object> data = new Dictionary<int, object>();
byte Key = ReadNextByte(cache);
while (Key != 0xff)
{
int Type = ReadNextVarInt(cache);
// Value's data type is depended on Type
object Value = null;
// We need to go through every data in order to get all fields in the packet
// Store the value as needed
switch (Type)
{
case 0: // byte
Value = ReadNextByte(cache);
break;
case 1: // VarInt
Value = ReadNextVarInt(cache);
break;
case 2: // Float
Value = ReadNextFloat(cache);
break;
case 3: // String
Value = ReadNextString(cache);
break;
case 4: // Chat
Value = ReadNextString(cache);
break;
case 5: // Optional Chat
if (ReadNextBool(cache))
{
Value = ReadNextString(cache);
}
break;
case 6: // Slot
Value = ReadNextItemSlot(cache);
break;
case 7: // Boolean
Value = ReadNextBool(cache);
break;
case 8: // Rotation (3x floats)
List<float> t = new List<float>();
t.Add(ReadNextFloat(cache));
t.Add(ReadNextFloat(cache));
t.Add(ReadNextFloat(cache));
Value = t;
break;
case 9: // Position
Value = ReadNextLocation(cache);
break;
case 10: // Optional Position
if (ReadNextBool(cache))
{
Value = ReadNextLocation(cache);
}
break;
case 11: // Direction (VarInt)
Value = ReadNextVarInt(cache);
break;
case 12: // Optional UUID
if (ReadNextBool(cache))
{
Value = ReadNextUUID(cache);
}
break;
case 13: // Optional BlockID (VarInt)
if (ReadNextBool(cache))
{
Value = ReadNextVarInt(cache);
}
break;
case 14: // NBT
Value = ReadNextNbt(cache);
break;
case 15: // Particle
// Currecutly not handled. Reading data only
int ParticleID = ReadNextVarInt(cache);
switch (ParticleID)
{
case 3:
ReadNextVarInt(cache);
break;
case 14:
ReadNextFloat(cache);
ReadNextFloat(cache);
ReadNextFloat(cache);
ReadNextFloat(cache);
break;
case 23:
ReadNextVarInt(cache);
break;
case 32:
ReadNextItemSlot(cache);
break;
}
break;
case 16: // Villager Data (3x VarInt)
List<int> d = new List<int>();
d.Add(ReadNextVarInt(cache));
d.Add(ReadNextVarInt(cache));
d.Add(ReadNextVarInt(cache));
Value = d;
break;
case 17: // Optional VarInt
if (ReadNextBool(cache))
{
Value = ReadNextVarInt(cache);
}
break;
case 18: // Pose
Value = ReadNextVarInt(cache);
break;
}
data.Add(Key, Value);
Key = ReadNextByte(cache);
}
return data;
}
/// <summary>
/// Build an uncompressed Named Binary Tag blob for sending over the network
/// </summary>

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@ -47,6 +47,7 @@ namespace MinecraftClient.Protocol.Handlers
EntityEquipment,
EntityVelocity,
EntityEffect,
EntityMetadata,
TimeUpdate,
UpdateHealth,
SetExperience,

View file

@ -861,6 +861,14 @@ namespace MinecraftClient.Protocol.Handlers
handler.OnEntityProperties(EntityID, keys);
}
break;
case PacketIncomingType.EntityMetadata:
if (handler.GetEntityHandlingEnabled())
{
int EntityID = dataTypes.ReadNextVarInt(packetData);
Dictionary<int, object> metadata = dataTypes.ReadNextMetadata(packetData);
handler.OnEntityMetadata(EntityID, metadata);
}
break;
case PacketIncomingType.TimeUpdate:
long WorldAge = dataTypes.ReadNextLong(packetData);
long TimeOfday = dataTypes.ReadNextLong(packetData);

View file

@ -109,6 +109,7 @@ namespace MinecraftClient.Protocol.Handlers
case 0x3B: return PacketIncomingType.EntityVelocity;
case 0x3C: return PacketIncomingType.EntityEquipment;
case 0x4B: return PacketIncomingType.EntityEffect;
case 0x39: return PacketIncomingType.EntityMetadata;
case 0x44: return PacketIncomingType.TimeUpdate;
case 0x3E: return PacketIncomingType.UpdateHealth;
case 0x3D: return PacketIncomingType.SetExperience;
@ -157,6 +158,7 @@ namespace MinecraftClient.Protocol.Handlers
case 0x3D: return PacketIncomingType.EntityVelocity;
case 0x3E: return PacketIncomingType.EntityEquipment;
case 0x4E: return PacketIncomingType.EntityEffect;
case 0x3B: return PacketIncomingType.EntityMetadata;
case 0x46: return PacketIncomingType.TimeUpdate;
case 0x40: return PacketIncomingType.UpdateHealth;
case 0x3F: return PacketIncomingType.SetExperience;
@ -205,6 +207,7 @@ namespace MinecraftClient.Protocol.Handlers
case 0x3E: return PacketIncomingType.EntityVelocity;
case 0x3F: return PacketIncomingType.EntityEquipment;
case 0x4F: return PacketIncomingType.EntityEffect;
case 0x3C: return PacketIncomingType.EntityMetadata;
case 0x47: return PacketIncomingType.TimeUpdate;
case 0x41: return PacketIncomingType.UpdateHealth;
case 0x40: return PacketIncomingType.SetExperience;
@ -253,6 +256,7 @@ namespace MinecraftClient.Protocol.Handlers
case 0x41: return PacketIncomingType.EntityVelocity;
case 0x42: return PacketIncomingType.EntityEquipment;
case 0x53: return PacketIncomingType.EntityEffect;
case 0x3F: return PacketIncomingType.EntityMetadata;
case 0x4A: return PacketIncomingType.TimeUpdate;
case 0x44: return PacketIncomingType.UpdateHealth;
case 0x43: return PacketIncomingType.SetExperience;
@ -301,6 +305,7 @@ namespace MinecraftClient.Protocol.Handlers
case 0x41: return PacketIncomingType.EntityVelocity;
case 0x46: return PacketIncomingType.EntityEquipment;
case 0x59: return PacketIncomingType.EntityEffect;
case 0x43: return PacketIncomingType.EntityMetadata;
case 0x4E: return PacketIncomingType.TimeUpdate;
case 0x48: return PacketIncomingType.UpdateHealth;
case 0x47: return PacketIncomingType.SetExperience;
@ -349,6 +354,7 @@ namespace MinecraftClient.Protocol.Handlers
case 0x46: return PacketIncomingType.EntityVelocity;
case 0x47: return PacketIncomingType.EntityEquipment;
case 0x5A: return PacketIncomingType.EntityEffect;
case 0x44: return PacketIncomingType.EntityMetadata;
case 0x4F: return PacketIncomingType.TimeUpdate;
case 0x49: return PacketIncomingType.UpdateHealth;
case 0x48: return PacketIncomingType.SetExperience;
@ -361,7 +367,7 @@ namespace MinecraftClient.Protocol.Handlers
}
} else {
switch (packetID)
switch (packetID) // MC 1.16+
{
case 0x20: return PacketIncomingType.KeepAlive;
case 0x25: return PacketIncomingType.JoinGame;
@ -396,6 +402,7 @@ namespace MinecraftClient.Protocol.Handlers
case 0x46: return PacketIncomingType.EntityVelocity;
case 0x47: return PacketIncomingType.EntityEquipment;
case 0x59: return PacketIncomingType.EntityEffect;
case 0x44: return PacketIncomingType.EntityMetadata;
case 0x4E: return PacketIncomingType.TimeUpdate;
case 0x49: return PacketIncomingType.UpdateHealth;
case 0x48: return PacketIncomingType.SetExperience;

View file

@ -192,6 +192,13 @@ namespace MinecraftClient.Protocol
/// <param name="prop">Dictionary of properties</param>
void OnEntityProperties(int entityID, Dictionary<string, Double> prop);
/// <summary>
/// Called when entity metadata added/updated
/// </summary>
/// <param name="entityID">Target entity's ID</param>
/// <param name="metadata">Metadata</param>
void OnEntityMetadata(int entityID, Dictionary<int, object> metadata);
/// <summary>
/// Called when the world age has been updated
/// </summary>