summaryrefslogtreecommitdiffstats
path: root/src/Protocol/Protocol17x.h
blob: ec948e8a1eb1a075360c9225b04d01659254c351 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341

// Protocol17x.h

/*
Declares the 1.7.x protocol classes:
	- cProtocol172
		- release 1.7.2 protocol (#4)
	- cProtocol176
		- release 1.7.6 protocol (#5)
*/





#pragma once

#include "Protocol.h"
#include "../ByteBuffer.h"

#ifdef _MSC_VER
	#pragma warning(push)
	#pragma warning(disable:4127)
	#pragma warning(disable:4244)
	#pragma warning(disable:4231)
	#pragma warning(disable:4189)
	#pragma warning(disable:4702)
#endif

#ifdef _MSC_VER
	#pragma warning(pop)
#endif

#include "PolarSSL++/AesCfb128Decryptor.h"
#include "PolarSSL++/AesCfb128Encryptor.h"





// fwd:
namespace Json
{
	class Value;
}





class cProtocol172 :
	public cProtocol
{
	typedef cProtocol super;
	
public:

	cProtocol172(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State);
	
	/** Called when client sends some data: */
	virtual void DataReceived(const char * a_Data, size_t a_Size) override;

	/** Sending stuff to clients (alphabetically sorted): */
	virtual void SendAttachEntity        (const cEntity & a_Entity, const cEntity * a_Vehicle) override;
	virtual void SendBlockAction         (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) override;
	virtual void SendBlockBreakAnim	     (int 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 SendChat                (const AString & a_Message) override;
	virtual void SendChat                (const cCompositeChat & a_Message) override;
	virtual void SendChunkData           (int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer) override;
	virtual void SendCollectEntity       (const cEntity & a_Entity, const cPlayer & a_Player) override;
	virtual void SendDestroyEntity       (const cEntity & a_Entity) override;
	virtual void SendDisconnect          (const AString & a_Reason) override;
	virtual void SendEditSign            (int a_BlockX, int a_BlockY, int a_BlockZ) override;  ///< Request the client to open up the sign editor for the sign (1.6+)
	virtual void SendEntityEffect        (const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration) override;
	virtual void SendEntityEquipment     (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) override;
	virtual void SendEntityHeadLook      (const cEntity & a_Entity) override;
	virtual void SendEntityLook          (const cEntity & a_Entity) override;
	virtual void SendEntityMetadata      (const cEntity & a_Entity) override;
	virtual void SendEntityProperties    (const cEntity & a_Entity) override;
	virtual void SendEntityRelMove       (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override;
	virtual void SendEntityRelMoveLook   (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override;
	virtual void SendEntityStatus        (const cEntity & a_Entity, char a_Status) override;
	virtual void SendEntityVelocity      (const cEntity & a_Entity) override;
	virtual void SendExplosion           (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) override;
	virtual void SendGameMode            (eGameMode a_GameMode) override;
	virtual void SendHealth              (void) override;
	virtual void SendInventorySlot       (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
	virtual void SendKeepAlive           (int a_PingID) override;
	virtual void SendLogin               (const cPlayer & a_Player, const cWorld & a_World) override;
	virtual void SendLoginSuccess        (void) override;
	virtual void SendMapColumn           (int a_ID, int a_X, int a_Y, const Byte * a_Colors, unsigned int a_Length) override;
	virtual void SendMapDecorators       (int a_ID, const cMapDecoratorList & a_Decorators) override;
	virtual void SendMapInfo             (int a_ID, unsigned int a_Scale) override;
	virtual void SendPaintingSpawn       (const cPainting & a_Painting) override;
	virtual void SendPickupSpawn         (const cPickup & a_Pickup) override;
	virtual void SendPlayerAbilities     (void) override;
	virtual void SendEntityAnimation     (const cEntity & a_Entity, char a_Animation) override;
	virtual void SendParticleEffect      (const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount) override;
	virtual void SendPlayerListItem      (const cPlayer & a_Player, bool a_IsOnline) override;
	virtual void SendPlayerMaxSpeed      (void) override;
	virtual void SendPlayerMoveLook      (void) override;
	virtual void SendPlayerPosition      (void) override;
	virtual void SendPlayerSpawn         (const cPlayer & a_Player) override;
	virtual void SendPluginMessage       (const AString & a_Channel, const AString & a_Message) override;
	virtual void SendRemoveEntityEffect  (const cEntity & a_Entity, int a_EffectID) override;
	virtual void SendRespawn             (eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) override;
	virtual void SendSoundEffect         (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) override;
	virtual void SendExperience          (void) override;
	virtual void SendExperienceOrb       (const cExpOrb & a_ExpOrb) override;
	virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override;
	virtual void SendScoreUpdate         (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override;
	virtual void SendDisplayObjective    (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) override;
	virtual void SendSoundParticleEffect (int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override;
	virtual void SendSpawnFallingBlock   (const cFallingBlock & a_FallingBlock) override;
	virtual void SendSpawnMob            (const cMonster & a_Mob) override;
	virtual void SendSpawnObject         (const cEntity & a_Entity, char a_ObjectType, int a_ObjectData, Byte a_Yaw, Byte a_Pitch) override;
	virtual void SendSpawnVehicle        (const cEntity & a_Vehicle, char a_VehicleType, char a_VehicleSubType) override;
	virtual void SendStatistics          (const cStatManager & a_Manager) override;
	virtual void SendTabCompletionResults(const AStringVector & a_Results) override;
	virtual void SendTeleportEntity      (const cEntity & a_Entity) override;
	virtual void SendThunderbolt         (int a_BlockX, int a_BlockY, int a_BlockZ) override;
	virtual void SendTimeUpdate          (Int64 a_WorldAge, Int64 a_TimeOfDay, bool a_DoDaylightCycle) override;
	virtual void SendUnloadChunk         (int a_ChunkX, int a_ChunkZ) override;
	virtual void SendUpdateBlockEntity   (cBlockEntity & a_BlockEntity) override;
	virtual void 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) override;
	virtual void SendUseBed              (const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ) override;
	virtual void SendWeather             (eWeather a_Weather) override;
	virtual void SendWholeInventory      (const cWindow & a_Window) override;
	virtual void SendWindowClose         (const cWindow & a_Window) override;
	virtual void SendWindowOpen          (const cWindow & a_Window) override;
	virtual void SendWindowProperty      (const cWindow & a_Window, int a_Property, int a_Value) override;

	virtual AString GetAuthServerID(void) override { return m_AuthServerID; }

protected:

	/** Composes individual packets in the protocol's m_OutPacketBuffer; sends them upon being destructed */
	class cPacketizer
	{
	public:
		cPacketizer(cProtocol172 & a_Protocol, UInt32 a_PacketType) :
			m_Protocol(a_Protocol),
			m_Out(a_Protocol.m_OutPacketBuffer),
			m_Lock(a_Protocol.m_CSPacket)
		{
			m_Out.WriteVarInt(a_PacketType);
		}
		
		~cPacketizer();

		void WriteBool(bool a_Value)
		{
			m_Out.WriteBool(a_Value);
		}
		
		void WriteByte(Byte a_Value)
		{
			m_Out.WriteByte(a_Value);
		}
		
		void WriteChar(char a_Value)
		{
			m_Out.WriteChar(a_Value);
		}
		
		void WriteShort(short a_Value)
		{
			m_Out.WriteBEShort(a_Value);
		}
		
		void WriteInt(int a_Value)
		{
			m_Out.WriteBEInt(a_Value);
		}
		
		void WriteInt64(Int64 a_Value)
		{
			m_Out.WriteBEInt64(a_Value);
		}
		
		void WriteFloat(float a_Value)
		{
			m_Out.WriteBEFloat(a_Value);
		}
		
		void WriteDouble(double a_Value)
		{
			m_Out.WriteBEDouble(a_Value);
		}
		
		void WriteVarInt(UInt32 a_Value)
		{
			m_Out.WriteVarInt(a_Value);
		}
		
		void WriteString(const AString & a_Value)
		{
			m_Out.WriteVarUTF8String(a_Value);
		}

		void WritePosition(const Vector3i a_Position)
		{
			WriteInt64(((Int64)a_Position.x & 0x3FFFFFF) << 38 | ((Int64)a_Position.y & 0xFFF) << 26 | ((Int64)a_Position.z & 0x3FFFFFF));
		}
		
		void WriteBuf(const char * a_Data, size_t a_Size)
		{
			m_Out.Write(a_Data, a_Size);
		}
		
		void WriteItem(const cItem & a_Item);
		void WriteByteAngle(double a_Angle);  // Writes the specified angle using a single byte
		void WriteFPInt(double a_Value);  // Writes the double value as a 27:5 fixed-point integer
		void WriteEntityMetadata(const cEntity & a_Entity);  // Writes the metadata for the specified entity, not including the terminating 0x7f
		void WriteMobMetadata(const cMonster & a_Mob);  // Writes the mob-specific metadata for the specified mob
		void WriteEntityProperties(const cEntity & a_Entity);  // Writes the entity properties for the specified entity, including the Count field
		void WriteBlockEntity(const cBlockEntity & a_BlockEntity);
		
	protected:
		cProtocol172 & m_Protocol;
		cByteBuffer & m_Out;
		cCSLock m_Lock;
	} ;

	AString m_ServerAddress;
	
	UInt16 m_ServerPort;
	
	AString m_AuthServerID;
	
	/** State of the protocol. 1 = status, 2 = login, 3 = game */
	UInt32 m_State;

	/** Buffer for the received data */
	cByteBuffer m_ReceivedData;
	
	/** Buffer for composing the outgoing packets, through cPacketizer */
	cByteBuffer m_OutPacketBuffer;
	
	/** Buffer for composing packet length (so that each cPacketizer instance doesn't allocate a new cPacketBuffer) */
	cByteBuffer m_OutPacketLenBuffer;
	
	bool m_IsEncrypted;
	
	cAesCfb128Decryptor m_Decryptor;
	cAesCfb128Encryptor m_Encryptor;

	/** The logfile where the comm is logged, when g_ShouldLogComm is true */
	cFile m_CommLogFile;
	
	/** The dimension that was last sent to a player in a Respawn or Login packet.
	Used to avoid Respawning into the same dimension, which confuses the client. */
	eDimension m_LastSentDimension;
	
	
	/** Adds the received (unencrypted) data to m_ReceivedData, parses complete packets */
	void AddReceivedData(const char * a_Data, size_t a_Size);
	
	/** Reads and handles the packet. The packet length and type have already been read.
	Returns true if the packet was understood, false if it was an unknown packet
	*/
	bool HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType);
	
	// Packet handlers while in the Status state (m_State == 1):
	void HandlePacketStatusPing(cByteBuffer & a_ByteBuffer);
	virtual void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer);
	
	// Packet handlers while in the Login state (m_State == 2):
	virtual void HandlePacketLoginEncryptionResponse(cByteBuffer & a_ByteBuffer);
	virtual void HandlePacketLoginStart(cByteBuffer & a_ByteBuffer);
	
	// Packet handlers while in the Game state (m_State == 3):
	void HandlePacketAnimation              (cByteBuffer & a_ByteBuffer);
	void HandlePacketBlockDig               (cByteBuffer & a_ByteBuffer);
	void HandlePacketBlockPlace             (cByteBuffer & a_ByteBuffer);
	void HandlePacketChatMessage            (cByteBuffer & a_ByteBuffer);
	void HandlePacketClientSettings         (cByteBuffer & a_ByteBuffer);
	void HandlePacketClientStatus           (cByteBuffer & a_ByteBuffer);
	void HandlePacketCreativeInventoryAction(cByteBuffer & a_ByteBuffer);
	void HandlePacketEntityAction           (cByteBuffer & a_ByteBuffer);
	void HandlePacketKeepAlive              (cByteBuffer & a_ByteBuffer);
	void HandlePacketPlayer                 (cByteBuffer & a_ByteBuffer);
	void HandlePacketPlayerAbilities        (cByteBuffer & a_ByteBuffer);
	void HandlePacketPlayerLook             (cByteBuffer & a_ByteBuffer);
	void HandlePacketPlayerPos              (cByteBuffer & a_ByteBuffer);
	void HandlePacketPlayerPosLook          (cByteBuffer & a_ByteBuffer);
	void HandlePacketPluginMessage          (cByteBuffer & a_ByteBuffer);
	void HandlePacketSlotSelect             (cByteBuffer & a_ByteBuffer);
	void HandlePacketSteerVehicle           (cByteBuffer & a_ByteBuffer);
	void HandlePacketTabComplete            (cByteBuffer & a_ByteBuffer);
	void HandlePacketUpdateSign             (cByteBuffer & a_ByteBuffer);
	void HandlePacketUseEntity              (cByteBuffer & a_ByteBuffer);
	void HandlePacketEnchantItem            (cByteBuffer & a_ByteBuffer);
	void HandlePacketWindowClick            (cByteBuffer & a_ByteBuffer);
	void HandlePacketWindowClose            (cByteBuffer & a_ByteBuffer);
	
	
	/** Writes an entire packet into the output stream. a_Packet is expected to start with the packet type; data length is prepended here. */
	void WritePacket(cByteBuffer & a_Packet);

	/** Sends the data to the client, encrypting them if needed. */
	virtual void SendData(const char * a_Data, size_t 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(cByteBuffer & a_ByteBuffer, cItem & a_Item);
	
	/** Parses item metadata as read by ReadItem(), into the item enchantments. */
	void ParseItemMetadata(cItem & a_Item, const AString & a_Metadata);
	
	void StartEncryption(const Byte * a_Key);
	
	/** Adds the chat part's style (represented by the part's stylestring) into the Json object. */
	void AddChatPartStyle(Json::Value & a_Value, const AString & a_PartStyle);
} ;





/** The version 5 lengthed protocol, used by 1.7.6 through 1.7.9. */
class cProtocol176 :
	public cProtocol172
{
	typedef cProtocol172 super;
	
public:
	cProtocol176(cClientHandle * a_Client, const AString & a_ServerAddress, UInt16 a_ServerPort, UInt32 a_State);
	
	// cProtocol172 overrides:
	virtual void SendPlayerSpawn(const cPlayer & a_Player) override;
	virtual void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) override;

} ;