7 files changed, 67 insertions, 1 deletions

diff --git a/src/Protocol/Protocol.h b/src/Protocol/Protocol.h
index 1da2a6fd7..3874307de 100644
--- a/src/Protocol/Protocol.h
+++ b/src/Protocol/Protocol.h
@@ -69,6 +69,7 @@ public:
 	virtual void SendBlockBreakAnim             (UInt32 a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) = 0;
 	virtual void SendBlockChange                (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) = 0;
 	virtual void SendBlockChanges               (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) = 0;
+	virtual void SendCameraSetTo                (const cEntity & a_Entity) = 0;
 	virtual void SendChat                       (const AString & a_Message, eChatType a_Type) = 0;
 	virtual void SendChat                       (const cCompositeChat & a_Message, eChatType a_Type, bool a_ShouldUseChatPrefixes) = 0;
 	virtual void SendChunkData                  (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) = 0;
diff --git a/src/Protocol/Protocol18x.cpp b/src/Protocol/Protocol18x.cpp
index c1018324f..d75ab3a5c 100644
--- a/src/Protocol/Protocol18x.cpp
+++ b/src/Protocol/Protocol18x.cpp
@@ -246,6 +246,16 @@ void cProtocol180::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockV
 
 
 
+void cProtocol180::SendCameraSetTo(const cEntity & a_Entity)
+{
+	cPacketizer Pkt(*this, 0x43);  // Camera Packet (Attach the camera of a player at another entity in spectator mode)
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+}
+
+
+
+
+
 void cProtocol180::SendChat(const AString & a_Message, eChatType a_Type)
 {
 	ASSERT(m_State == 3);  // In game mode?
@@ -2038,6 +2048,7 @@ bool cProtocol180::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType)
 				case 0x15: HandlePacketClientSettings         (a_ByteBuffer); return true;
 				case 0x16: HandlePacketClientStatus           (a_ByteBuffer); return true;
 				case 0x17: HandlePacketPluginMessage          (a_ByteBuffer); return true;
+				case 0x18: HandlePacketSpectate               (a_ByteBuffer); return true;
 			}
 			break;
 		}
@@ -2495,6 +2506,21 @@ void cProtocol180::HandlePacketSlotSelect(cByteBuffer & a_ByteBuffer)
 
 
 
+void cProtocol180::HandlePacketSpectate(cByteBuffer &a_ByteBuffer)
+{
+	AString playerUUID;
+	if (!a_ByteBuffer.ReadUUID(playerUUID))
+	{
+		return;
+	}
+
+	m_Client->HandleSpectate(playerUUID);
+}
+
+
+
+
+
 void cProtocol180::HandlePacketSteerVehicle(cByteBuffer & a_ByteBuffer)
 {
 	HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Sideways);
diff --git a/src/Protocol/Protocol18x.h b/src/Protocol/Protocol18x.h
index b8f9675ba..6fc2647ed 100644
--- a/src/Protocol/Protocol18x.h
+++ b/src/Protocol/Protocol18x.h
@@ -65,6 +65,7 @@ public:
 	virtual void SendBlockBreakAnim	            (UInt32 a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) override;
 	virtual void SendBlockChange                (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override;
 	virtual void SendBlockChanges               (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) override;
+	virtual void SendCameraSetTo                (const cEntity & a_Entity) override;
 	virtual void SendChat                       (const AString & a_Message, eChatType a_Type) override;
 	virtual void SendChat                       (const cCompositeChat & a_Message, eChatType a_Type, bool a_ShouldUseChatPrefixes) override;
 	virtual void SendChunkData                  (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) override;
@@ -210,6 +211,7 @@ protected:
 	void HandlePacketPlayerPosLook          (cByteBuffer & a_ByteBuffer);
 	void HandlePacketPluginMessage          (cByteBuffer & a_ByteBuffer);
 	void HandlePacketSlotSelect             (cByteBuffer & a_ByteBuffer);
+	void HandlePacketSpectate               (cByteBuffer & a_ByteBuffer);
 	void HandlePacketSteerVehicle           (cByteBuffer & a_ByteBuffer);
 	void HandlePacketTabComplete            (cByteBuffer & a_ByteBuffer);
 	void HandlePacketUpdateSign             (cByteBuffer & a_ByteBuffer);
diff --git a/src/Protocol/Protocol19x.cpp b/src/Protocol/Protocol19x.cpp
index 6791da8cd..6e26b2012 100644
--- a/src/Protocol/Protocol19x.cpp
+++ b/src/Protocol/Protocol19x.cpp
@@ -255,6 +255,16 @@ void cProtocol190::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockV
 
 
 
+void cProtocol190::SendCameraSetTo(const cEntity & a_Entity)
+{
+	cPacketizer Pkt(*this, 0x36);  // Camera Packet (Attach the camera of a player at another entity in spectator mode)
+	Pkt.WriteVarInt32(a_Entity.GetUniqueID());
+}
+
+
+
+
+
 void cProtocol190::SendChat(const AString & a_Message, eChatType a_Type)
 {
 	ASSERT(m_State == 3);  // In game mode?
@@ -2058,7 +2068,7 @@ bool cProtocol190::HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType)
 				case 0x18: HandlePacketCreativeInventoryAction(a_ByteBuffer); return true;
 				case 0x19: HandlePacketUpdateSign             (a_ByteBuffer); return true;
 				case 0x1a: HandlePacketAnimation              (a_ByteBuffer); return true;
-				case 0x1b: break;  // Spectate?
+				case 0x1b: HandlePacketSpectate               (a_ByteBuffer); return true;
 				case 0x1c: HandlePacketBlockPlace             (a_ByteBuffer); return true;
 				case 0x1d: HandlePacketUseItem                (a_ByteBuffer); return true;
 			}
@@ -2551,6 +2561,21 @@ void cProtocol190::HandlePacketSlotSelect(cByteBuffer & a_ByteBuffer)
 
 
 
+void cProtocol190::HandlePacketSpectate(cByteBuffer & a_ByteBuffer)
+{
+	AString playerUUID;
+	if (!a_ByteBuffer.ReadUUID(playerUUID))
+	{
+		return;
+	}
+
+	m_Client->HandleSpectate(playerUUID);
+}
+
+
+
+
+
 void cProtocol190::HandlePacketSteerVehicle(cByteBuffer & a_ByteBuffer)
 {
 	HANDLE_READ(a_ByteBuffer, ReadBEFloat, float, Sideways);
diff --git a/src/Protocol/Protocol19x.h b/src/Protocol/Protocol19x.h
index 79180e3a7..d46da2a0f 100644
--- a/src/Protocol/Protocol19x.h
+++ b/src/Protocol/Protocol19x.h
@@ -71,6 +71,7 @@ public:
 	virtual void SendBlockBreakAnim	            (UInt32 a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) override;
 	virtual void SendBlockChange                (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override;
 	virtual void SendBlockChanges               (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) override;
+	virtual void SendCameraSetTo                (const cEntity & a_Entity) override;
 	virtual void SendChat                       (const AString & a_Message, eChatType a_Type) override;
 	virtual void SendChat                       (const cCompositeChat & a_Message, eChatType a_Type, bool a_ShouldUseChatPrefixes) override;
 	virtual void SendChunkData                  (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) override;
@@ -219,6 +220,7 @@ protected:
 	void HandlePacketPluginMessage          (cByteBuffer & a_ByteBuffer);
 	void HandlePacketSlotSelect             (cByteBuffer & a_ByteBuffer);
 	void HandlePacketSteerVehicle           (cByteBuffer & a_ByteBuffer);
+	void HandlePacketSpectate               (cByteBuffer & a_ByteBuffer);
 	void HandlePacketTabComplete            (cByteBuffer & a_ByteBuffer);
 	void HandlePacketUpdateSign             (cByteBuffer & a_ByteBuffer);
 	void HandlePacketUseEntity              (cByteBuffer & a_ByteBuffer);
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp
index ca0d05c51..be97279a9 100644
--- a/src/Protocol/ProtocolRecognizer.cpp
+++ b/src/Protocol/ProtocolRecognizer.cpp
@@ -170,6 +170,15 @@ void cProtocolRecognizer::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSe
 
 
 
+void cProtocolRecognizer::SendCameraSetTo(const cEntity & a_Entity)
+{
+	ASSERT(m_Protocol != nullptr);
+	m_Protocol->SendCameraSetTo(a_Entity);
+}
+
+
+
+
 
 void cProtocolRecognizer::SendChat(const AString & a_Message, eChatType a_Type)
 {
diff --git a/src/Protocol/ProtocolRecognizer.h b/src/Protocol/ProtocolRecognizer.h
index 6390b6289..24e3e214e 100644
--- a/src/Protocol/ProtocolRecognizer.h
+++ b/src/Protocol/ProtocolRecognizer.h
@@ -56,6 +56,7 @@ public:
 	virtual void SendBlockBreakAnim             (UInt32 a_EntityID, int a_BlockX, int a_BlockY, int a_BlockZ, char a_Stage) override;
 	virtual void SendBlockChange                (int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) override;
 	virtual void SendBlockChanges               (int a_ChunkX, int a_ChunkZ, const sSetBlockVector & a_Changes) override;
+	virtual void SendCameraSetTo                (const cEntity & a_Entity) override;
 	virtual void SendChat                       (const AString & a_Message, eChatType a_Type) override;
 	virtual void SendChat                       (const cCompositeChat & a_Message, eChatType a_Type, bool a_ShouldUseChatPrefixes) override;
 	virtual void SendChunkData                  (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) override;