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-rw-r--r--source/Protocol/Protocol17x.cpp157
-rw-r--r--source/Protocol/Protocol17x.h6
2 files changed, 138 insertions, 25 deletions
diff --git a/source/Protocol/Protocol17x.cpp b/source/Protocol/Protocol17x.cpp
index 2b3f3b613..9dc46d56b 100644
--- a/source/Protocol/Protocol17x.cpp
+++ b/source/Protocol/Protocol17x.cpp
@@ -26,7 +26,7 @@ Implements the 1.7.x protocol classes:
-#define HANDLE_PACKET_READ(Proc, Type, Var) \
+#define HANDLE_READ(Proc, Type, Var) \
Type Var; \
m_ReceivedData.Proc(Var);
@@ -34,6 +34,21 @@ Implements the 1.7.x protocol classes:
+#define HANDLE_PACKET_READ(Proc, Type, Var) \
+ Type Var; \
+ { \
+ if (!m_ReceivedData.Proc(Var)) \
+ { \
+ m_ReceivedData.CheckValid(); \
+ return false; \
+ } \
+ m_ReceivedData.CheckValid(); \
+ }
+
+
+
+
+
cProtocol172::cProtocol172(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State) :
super(a_Client),
m_ServerAddress(a_ServerAddress),
@@ -1060,8 +1075,8 @@ void cProtocol172::HandlePacketLoginStart(UInt32 a_RemainingBytes)
void cProtocol172::HandlePacketAnimation(UInt32 a_RemainingBytes)
{
- HANDLE_PACKET_READ(ReadBEInt, int, EntityID);
- HANDLE_PACKET_READ(ReadByte, Byte, Animation);
+ HANDLE_READ(ReadBEInt, int, EntityID);
+ HANDLE_READ(ReadByte, Byte, Animation);
m_Client->HandleAnimation(Animation);
}
@@ -1071,11 +1086,11 @@ void cProtocol172::HandlePacketAnimation(UInt32 a_RemainingBytes)
void cProtocol172::HandlePacketBlockDig(UInt32 a_RemainingBytes)
{
- HANDLE_PACKET_READ(ReadByte, Byte, Status);
- HANDLE_PACKET_READ(ReadBEInt, int, BlockX);
- HANDLE_PACKET_READ(ReadByte, Byte, BlockY);
- HANDLE_PACKET_READ(ReadBEInt, int, BlockZ);
- HANDLE_PACKET_READ(ReadByte, Byte, Face);
+ HANDLE_READ(ReadByte, Byte, Status);
+ HANDLE_READ(ReadBEInt, int, BlockX);
+ HANDLE_READ(ReadByte, Byte, BlockY);
+ HANDLE_READ(ReadBEInt, int, BlockZ);
+ HANDLE_READ(ReadByte, Byte, Face);
m_Client->HandleLeftClick(BlockX, BlockY, BlockZ, Face, Status);
}
@@ -1085,13 +1100,13 @@ void cProtocol172::HandlePacketBlockDig(UInt32 a_RemainingBytes)
void cProtocol172::HandlePacketBlockPlace(UInt32 a_RemainingBytes)
{
- HANDLE_PACKET_READ(ReadBEInt, int, BlockX);
- HANDLE_PACKET_READ(ReadByte, Byte, BlockY);
- HANDLE_PACKET_READ(ReadBEInt, int, BlockZ);
- HANDLE_PACKET_READ(ReadByte, Byte, Face);
- HANDLE_PACKET_READ(ReadByte, Byte, CursorX);
- HANDLE_PACKET_READ(ReadByte, Byte, CursorY);
- HANDLE_PACKET_READ(ReadByte, Byte, CursorZ);
+ HANDLE_READ(ReadBEInt, int, BlockX);
+ HANDLE_READ(ReadByte, Byte, BlockY);
+ HANDLE_READ(ReadBEInt, int, BlockZ);
+ HANDLE_READ(ReadByte, Byte, Face);
+ HANDLE_READ(ReadByte, Byte, CursorX);
+ HANDLE_READ(ReadByte, Byte, CursorY);
+ HANDLE_READ(ReadByte, Byte, CursorZ);
m_Client->HandleRightClick(BlockX, BlockY, BlockZ, Face, CursorX, CursorY, CursorZ, m_Client->GetPlayer()->GetEquippedItem());
}
@@ -1101,7 +1116,7 @@ void cProtocol172::HandlePacketBlockPlace(UInt32 a_RemainingBytes)
void cProtocol172::HandlePacketChatMessage(UInt32 a_RemainingBytes)
{
- HANDLE_PACKET_READ(ReadVarUTF8String, AString, Message);
+ HANDLE_READ(ReadVarUTF8String, AString, Message);
m_Client->HandleChat(Message);
}
@@ -1111,12 +1126,12 @@ void cProtocol172::HandlePacketChatMessage(UInt32 a_RemainingBytes)
void cProtocol172::HandlePacketClientSettings(UInt32 a_RemainingBytes)
{
- HANDLE_PACKET_READ(ReadVarUTF8String, AString, Locale);
- HANDLE_PACKET_READ(ReadByte, Byte, ViewDistance);
- HANDLE_PACKET_READ(ReadByte, Byte, ChatFlags);
- HANDLE_PACKET_READ(ReadByte, Byte, Unused);
- HANDLE_PACKET_READ(ReadByte, Byte, Difficulty);
- HANDLE_PACKET_READ(ReadByte, Byte, ShowCape);
+ HANDLE_READ(ReadVarUTF8String, AString, Locale);
+ HANDLE_READ(ReadByte, Byte, ViewDistance);
+ HANDLE_READ(ReadByte, Byte, ChatFlags);
+ HANDLE_READ(ReadByte, Byte, Unused);
+ HANDLE_READ(ReadByte, Byte, Difficulty);
+ HANDLE_READ(ReadByte, Byte, ShowCape);
// TODO: handle in m_Client
}
@@ -1126,7 +1141,7 @@ void cProtocol172::HandlePacketClientSettings(UInt32 a_RemainingBytes)
void cProtocol172::HandlePacketClientStatus(UInt32 a_RemainingBytes)
{
- HANDLE_PACKET_READ(ReadByte, Byte, ActionID);
+ HANDLE_READ(ReadByte, Byte, ActionID);
switch (ActionID)
{
case 0:
@@ -1156,7 +1171,13 @@ void cProtocol172::HandlePacketClientStatus(UInt32 a_RemainingBytes)
void cProtocol172::HandlePacketCreativeInventoryAction(UInt32 a_RemainingBytes)
{
- // TODO
+ HANDLE_READ(ReadBEShort, short, SlotNum);
+ cItem Item;
+ if (!ReadItem(Item))
+ {
+ return;
+ }
+ m_Client->HandleCreativeInventory(SlotNum, Item);
}
@@ -1165,7 +1186,10 @@ void cProtocol172::HandlePacketCreativeInventoryAction(UInt32 a_RemainingBytes)
void cProtocol172::HandlePacketEntityAction(UInt32 a_RemainingBytes)
{
- // TODO
+ HANDLE_READ(ReadBEInt, int, PlayerID);
+ HANDLE_READ(ReadByte, Byte, Action);
+ HANDLE_READ(ReadBEInt, int, JumpBoost);
+ m_Client->HandleEntityAction(PlayerID, Action);
}
@@ -1337,6 +1361,89 @@ void cProtocol172::SendData(const char * a_Data, int a_Size)
+bool cProtocol172::ReadItem(cItem & a_Item)
+{
+ HANDLE_PACKET_READ(ReadBEShort, short, ItemType);
+ if (ItemType == -1)
+ {
+ // The item is empty, no more data follows
+ a_Item.Empty();
+ return true;
+ }
+ a_Item.m_ItemType = ItemType;
+
+ HANDLE_PACKET_READ(ReadChar, char, ItemCount);
+ HANDLE_PACKET_READ(ReadBEShort, short, ItemDamage);
+ a_Item.m_ItemCount = ItemCount;
+ a_Item.m_ItemDamage = ItemDamage;
+ if (ItemCount <= 0)
+ {
+ a_Item.Empty();
+ }
+
+ HANDLE_PACKET_READ(ReadBEShort, short, MetadataLength);
+ if (MetadataLength <= 0)
+ {
+ return true;
+ }
+
+ // Read the metadata
+ AString Metadata;
+ if (!m_ReceivedData.ReadString(Metadata, MetadataLength))
+ {
+ return false;
+ }
+
+ ParseItemMetadata(a_Item, Metadata);
+ return true;
+}
+
+
+
+
+
+void cProtocol172::ParseItemMetadata(cItem & a_Item, const AString & a_Metadata)
+{
+ // Uncompress the GZIPped data:
+ AString Uncompressed;
+ if (UncompressStringGZIP(a_Metadata.data(), a_Metadata.size(), Uncompressed) != Z_OK)
+ {
+ AString HexDump;
+ CreateHexDump(HexDump, a_Metadata.data(), a_Metadata.size(), 16);
+ LOGWARNING("Cannot unGZIP item metadata (%u bytes):\n%s", a_Metadata.size(), HexDump.c_str());
+ return;
+ }
+
+ // Parse into NBT:
+ cParsedNBT NBT(Uncompressed.data(), Uncompressed.size());
+ if (!NBT.IsValid())
+ {
+ AString HexDump;
+ CreateHexDump(HexDump, Uncompressed.data(), Uncompressed.size(), 16);
+ LOGWARNING("Cannot parse NBT item metadata: (%u bytes)\n%s", Uncompressed.size(), HexDump.c_str());
+ return;
+ }
+
+ // Load enchantments from the NBT:
+ for (int tag = NBT.GetFirstChild(NBT.GetRoot()); tag >= 0; tag = NBT.GetNextSibling(tag))
+ {
+ if (
+ (NBT.GetType(tag) == TAG_List) &&
+ (
+ (NBT.GetName(tag) == "ench") ||
+ (NBT.GetName(tag) == "StoredEnchantments")
+ )
+ )
+ {
+ a_Item.m_Enchantments.ParseFromNBT(NBT, tag);
+ }
+ }
+}
+
+
+
+
+
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// cProtocol172::cPacketizer:
diff --git a/source/Protocol/Protocol17x.h b/source/Protocol/Protocol17x.h
index f63cd8187..8cfb74004 100644
--- a/source/Protocol/Protocol17x.h
+++ b/source/Protocol/Protocol17x.h
@@ -244,6 +244,12 @@ protected:
virtual void SendData(const char * a_Data, int a_Size) override;
void SendCompass(const cWorld & a_World);
+
+ /// Reads an item out of the received data, sets a_Item to the values read. Returns false if not enough received data
+ bool ReadItem(cItem & a_Item);
+
+ /// Parses item metadata as read by ReadItem(), into the item enchantments.
+ void ParseItemMetadata(cItem & a_Item, const AString & a_Metadata);
} ;