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-rw-r--r--src/Protocol/Protocol17x.cpp207
1 files changed, 199 insertions, 8 deletions
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index 5b3a79555..9bb2cfbf0 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -1,4 +1,3 @@
-
// Protocol17x.cpp
/*
@@ -16,6 +15,7 @@ Implements the 1.7.x protocol classes:
#include "../Server.h"
#include "../World.h"
#include "../WorldStorage/FastNBT.h"
+#include "../WorldStorage/EnchantmentSerializer.h"
#include "../StringCompression.h"
#include "../Entities/ExpOrb.h"
#include "../Entities/Minecart.h"
@@ -24,6 +24,7 @@ Implements the 1.7.x protocol classes:
#include "../Entities/Player.h"
#include "../Mobs/IncludeAllMonsters.h"
#include "../UI/Window.h"
+#include "../BlockEntities/CommandBlockEntity.h"
@@ -52,6 +53,16 @@ Implements the 1.7.x protocol classes:
+// fwd: main.cpp:
+extern bool g_ShouldLogComm;
+
+
+
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// cProtocol172:
+
cProtocol172::cProtocol172(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) :
super(a_Client),
m_ServerAddress(a_ServerAddress),
@@ -62,6 +73,13 @@ cProtocol172::cProtocol172(cClientHandle * a_Client, const AString & a_ServerAdd
m_OutPacketLenBuffer(20), // 20 bytes is more than enough for one VarInt
m_IsEncrypted(false)
{
+ // Create the comm log file, if so requested:
+ if (g_ShouldLogComm)
+ {
+ cFile::CreateFolder("CommLogs");
+ AString FileName = Printf("CommLogs/%x__%s.log", (unsigned)time(NULL), a_Client->GetIPString().c_str());
+ m_CommLogFile.Open(FileName, cFile::fmWrite);
+ }
}
@@ -72,11 +90,11 @@ void cProtocol172::DataReceived(const char * a_Data, int a_Size)
{
if (m_IsEncrypted)
{
- byte Decrypted[512];
+ Byte Decrypted[512];
while (a_Size > 0)
{
int NumBytes = (a_Size > sizeof(Decrypted)) ? sizeof(Decrypted) : a_Size;
- m_Decryptor.ProcessData(Decrypted, (byte *)a_Data, NumBytes);
+ m_Decryptor.ProcessData(Decrypted, (Byte *)a_Data, NumBytes);
AddReceivedData((const char *)Decrypted, NumBytes);
a_Size -= NumBytes;
a_Data += NumBytes;
@@ -122,7 +140,7 @@ void cProtocol172::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, cha
void cProtocol172::SendBlockBreakAnim(int a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage)
{
cPacketizer Pkt(*this, 0x25); // Block Break Animation packet
- Pkt.WriteInt(a_EntityID);
+ Pkt.WriteVarInt(a_EntityID);
Pkt.WriteInt(a_BlockX);
Pkt.WriteInt(a_BlockY);
Pkt.WriteInt(a_BlockZ);
@@ -705,6 +723,46 @@ void cProtocol172::SendExperienceOrb(const cExpOrb & a_ExpOrb)
+void cProtocol172::SendScoreboardObjective(const AString & a_Name, const AString & a_DisplayName, Byte a_Mode)
+{
+ cPacketizer Pkt(*this, 0x3B);
+ Pkt.WriteString(a_Name);
+ Pkt.WriteString(a_DisplayName);
+ Pkt.WriteByte(a_Mode);
+}
+
+
+
+
+
+void cProtocol172::SendScoreUpdate(const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode)
+{
+ cPacketizer Pkt(*this, 0x3C);
+ Pkt.WriteString(a_Player);
+ Pkt.WriteByte(a_Mode);
+
+ if (a_Mode != 1)
+ {
+ Pkt.WriteString(a_Objective);
+ Pkt.WriteInt((int) a_Score);
+ }
+}
+
+
+
+
+
+void cProtocol172::SendDisplayObjective(const AString & a_Objective, cScoreboard::eDisplaySlot a_Display)
+{
+ cPacketizer Pkt(*this, 0x3D);
+ Pkt.WriteByte((int) a_Display);
+ Pkt.WriteString(a_Objective);
+}
+
+
+
+
+
void cProtocol172::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch) // a_Src coords are Block * 8
{
cPacketizer Pkt(*this, 0x29); // Sound Effect packet
@@ -892,6 +950,28 @@ void cProtocol172::SendUnloadChunk(int a_ChunkX, int a_ChunkZ)
+void cProtocol172::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity)
+{
+ cPacketizer Pkt(*this, 0x35); // Update tile entity packet
+ Pkt.WriteInt(a_BlockEntity.GetPosX());
+ Pkt.WriteShort(a_BlockEntity.GetPosY());
+ Pkt.WriteInt(a_BlockEntity.GetPosZ());
+
+ Byte Action = 0;
+ switch (a_BlockEntity.GetBlockType())
+ {
+ case E_BLOCK_MOB_SPAWNER: Action = 1; break; // Update mob spawner spinny mob thing
+ case E_BLOCK_COMMAND_BLOCK: Action = 2; break; // Update command block text
+ default: ASSERT(!"Unhandled or unimplemented BlockEntity update request!"); break;
+ }
+ Pkt.WriteByte(Action);
+
+ Pkt.WriteBlockEntity(a_BlockEntity);
+}
+
+
+
+
void cProtocol172::SendUpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4)
{
@@ -1002,6 +1082,29 @@ void cProtocol172::SendWindowProperty(const cWindow & a_Window, short a_Property
void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
{
+ // Write the incoming data into the comm log file:
+ if (g_ShouldLogComm)
+ {
+ if (m_ReceivedData.GetReadableSpace() > 0)
+ {
+ AString AllData;
+ int OldReadableSpace = m_ReceivedData.GetReadableSpace();
+ m_ReceivedData.ReadAll(AllData);
+ m_ReceivedData.ResetRead();
+ m_ReceivedData.SkipRead(m_ReceivedData.GetReadableSpace() - OldReadableSpace);
+ AString Hex;
+ CreateHexDump(Hex, AllData.data(), AllData.size(), 16);
+ m_CommLogFile.Printf("Incoming data, %d (0x%x) bytes unparsed already present in buffer:\n%s\n",
+ AllData.size(), AllData.size(), Hex.c_str()
+ );
+ }
+ AString Hex;
+ CreateHexDump(Hex, a_Data, a_Size, 16);
+ m_CommLogFile.Printf("Incoming data: %d (0x%x) bytes: \n%s\n",
+ a_Size, a_Size, Hex.c_str()
+ );
+ }
+
if (!m_ReceivedData.Write(a_Data, a_Size))
{
// Too much data in the incoming queue, report to caller:
@@ -1037,6 +1140,22 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
return;
}
+ // Log the packet info into the comm log file:
+ if (g_ShouldLogComm)
+ {
+ AString PacketData;
+ bb.ReadAll(PacketData);
+ bb.ResetRead();
+ bb.ReadVarInt(PacketType);
+ ASSERT(PacketData.size() > 0);
+ PacketData.resize(PacketData.size() - 1);
+ AString PacketDataHex;
+ CreateHexDump(PacketDataHex, PacketData.data(), PacketData.size(), 16);
+ m_CommLogFile.Printf("Next incoming packet is type %u (0x%x), length %u (0x%x) at state %d. Payload:\n%s\n",
+ PacketType, PacketType, PacketLen, PacketLen, m_State, PacketDataHex.c_str()
+ );
+ }
+
if (!HandlePacket(bb, PacketType))
{
// Unknown packet, already been reported, but without the length. Log the length here:
@@ -1053,6 +1172,12 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
LOGD("Packet contents:\n%s", Out.c_str());
#endif // _DEBUG
+ // Put a message in the comm log:
+ if (g_ShouldLogComm)
+ {
+ m_CommLogFile.Printf("^^^^^^ Unhandled packet ^^^^^^\n\n\n");
+ }
+
return;
}
@@ -1062,6 +1187,16 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
LOGWARNING("Protocol 1.7: Wrong number of bytes read for packet 0x%x, state %d. Read %u bytes, packet contained %u bytes",
PacketType, m_State, bb.GetUsedSpace() - bb.GetReadableSpace(), PacketLen
);
+
+ // Put a message in the comm log:
+ if (g_ShouldLogComm)
+ {
+ m_CommLogFile.Printf("^^^^^^ Wrong number of bytes read for this packet (exp %d left, got %d left) ^^^^^^\n\n\n",
+ 1, bb.GetReadableSpace()
+ );
+ m_CommLogFile.Flush();
+ }
+
ASSERT(!"Read wrong number of bytes!");
m_Client->PacketError(PacketType);
}
@@ -1601,11 +1736,11 @@ void cProtocol172::SendData(const char * a_Data, int a_Size)
{
if (m_IsEncrypted)
{
- byte Encrypted[8192]; // Larger buffer, we may be sending lots of data (chunks)
+ Byte Encrypted[8192]; // Larger buffer, we may be sending lots of data (chunks)
while (a_Size > 0)
{
int NumBytes = (a_Size > sizeof(Encrypted)) ? sizeof(Encrypted) : a_Size;
- m_Encryptor.ProcessData(Encrypted, (byte *)a_Data, NumBytes);
+ m_Encryptor.ProcessData(Encrypted, (Byte *)a_Data, NumBytes);
m_Client->SendData((const char *)Encrypted, NumBytes);
a_Size -= NumBytes;
a_Data += NumBytes;
@@ -1696,7 +1831,7 @@ void cProtocol172::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata)
)
)
{
- a_Item.m_Enchantments.ParseFromNBT(NBT, tag);
+ EnchantmentSerializer::ParseFromNBT(a_Item.m_Enchantments, NBT, tag);
}
else if ((NBT.GetType(tag) == TAG_Compound) && (NBT.GetName(tag) == "display")) // Custom name and lore tag
{
@@ -1744,6 +1879,17 @@ cProtocol172::cPacketizer::~cPacketizer()
m_Out.ReadAll(DataToSend);
m_Protocol.SendData(DataToSend.data(), DataToSend.size());
m_Out.CommitRead();
+
+ // Log the comm into logfile:
+ if (g_ShouldLogComm)
+ {
+ AString Hex;
+ ASSERT(DataToSend.size() > 0);
+ CreateHexDump(Hex, DataToSend.data() + 1, DataToSend.size() - 1, 16);
+ m_Protocol.m_CommLogFile.Printf("Outgoing packet: type %d (0x%x), length %u (0x%x), state %d. Payload:\n%s\n",
+ DataToSend[0], DataToSend[0], PacketLen, PacketLen, m_Protocol.m_State, Hex.c_str()
+ );
+ }
}
@@ -1781,7 +1927,7 @@ void cProtocol172::cPacketizer::WriteItem(const cItem & a_Item)
if (!a_Item.m_Enchantments.IsEmpty())
{
const char * TagName = (a_Item.m_ItemType == E_ITEM_BOOK) ? "StoredEnchantments" : "ench";
- a_Item.m_Enchantments.WriteToNBTCompound(Writer, TagName);
+ EnchantmentSerializer::WriteToNBTCompound(a_Item.m_Enchantments,Writer, TagName);
}
if (!a_Item.IsBothNameAndLoreEmpty())
{
@@ -1819,6 +1965,51 @@ void cProtocol172::cPacketizer::WriteItem(const cItem & a_Item)
+void cProtocol172::cPacketizer::WriteBlockEntity(const cBlockEntity & a_BlockEntity)
+{
+ cFastNBTWriter Writer;
+
+ switch (a_BlockEntity.GetBlockType())
+ {
+ case E_BLOCK_COMMAND_BLOCK:
+ {
+ cCommandBlockEntity & CommandBlockEntity = (cCommandBlockEntity &)a_BlockEntity;
+
+ Writer.AddByte("TrackOutput", 1); // Neither I nor the MC wiki has any idea about this
+ Writer.AddInt("SuccessCount", CommandBlockEntity.GetResult());
+ Writer.AddInt("x", CommandBlockEntity.GetPosX());
+ Writer.AddInt("y", CommandBlockEntity.GetPosY());
+ Writer.AddInt("z", CommandBlockEntity.GetPosZ());
+ Writer.AddString("Command", CommandBlockEntity.GetCommand().c_str());
+ // You can set custom names for windows in Vanilla
+ // For a command block, this would be the 'name' prepended to anything it outputs into global chat
+ // MCS doesn't have this, so just leave it @ '@'. (geddit?)
+ Writer.AddString("CustomName", "@");
+ Writer.AddString("id", "Control"); // "Tile Entity ID" - MC wiki; vanilla server always seems to send this though
+
+ if (!CommandBlockEntity.GetLastOutput().empty())
+ {
+ AString Output;
+ Printf(Output, "{\"text\":\"%s\"}", CommandBlockEntity.GetLastOutput().c_str());
+
+ Writer.AddString("LastOutput", Output.c_str());
+ }
+ break;
+ }
+ default: break;
+ }
+
+ Writer.Finish();
+
+ AString Compressed;
+ CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed);
+ WriteShort(Compressed.size());
+ WriteBuf(Compressed.data(), Compressed.size());
+}
+
+
+
+
void cProtocol172::cPacketizer::WriteByteAngle(double a_Angle)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-10 23:50:39 +0200