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// Protocol125.h

// Interfaces to the cProtocol125 class representing the release 1.2.5 protocol (#29)





#pragma once

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





class cProtocol125 :
	public cProtocol
{
	typedef cProtocol super;
public:
	cProtocol125(cClientHandle * a_Client);
	
	/// 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, unsigned int m_Scale) override;
	virtual void SendMapDecorators              (int a_ID, const cMapDecoratorList & a_Decorators, unsigned int m_Scale) override;
	virtual void SendMapInfo                    (int a_ID, unsigned int a_Scale) 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_ParticleAmount) override;
	virtual void SendPaintingSpawn              (const cPainting & a_Painting) override;
	virtual void SendPickupSpawn                (const cPickup & a_Pickup) override;
	virtual void SendPlayerAbilities            (void) override {}  // This protocol doesn't support such message
	virtual void SendEntityAnimation            (const cEntity & a_Entity, char a_Animation) override;
	virtual void SendPlayerListAddPlayer        (const cPlayer & a_Player) override;
	virtual void SendPlayerListRemovePlayer     (const cPlayer & a_Player) override;
	virtual void SendPlayerListUpdateGameMode   (const cPlayer & a_Player) override;
	virtual void SendPlayerListUpdatePing       (const cPlayer & a_Player) override;
	virtual void SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_OldListName) 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 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 {}  // This protocol doesn't support such message
	virtual void SendDisplayObjective           (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display)                              override {}  // This protocol doesn't support such message
	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 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;
	
protected:
	/// Results of packet-parsing:
	enum eParseResult
	{
		PARSE_OK         =  1,
		PARSE_ERROR      = -1,
		PARSE_UNKNOWN    = -2,
		PARSE_INCOMPLETE = -3,
	} ;
	
	cByteBuffer m_ReceivedData;  ///< Buffer for the received data
	
	AString m_Username;  ///< Stored in ParseHandshake(), compared to Login username

	/** 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;
	
	virtual void SendData(const char * a_Data, size_t a_Size) override;
	
	/// Sends the Handshake packet
	void SendHandshake(const AString & a_ConnectionHash);

	/// Parse the packet of the specified type from m_ReceivedData (switch into ParseXYZ())
	virtual int ParsePacket(unsigned char a_PacketType);

	// Specific packet parsers:
	virtual int ParseArmAnim                (void);
	virtual int ParseBlockDig               (void);
	virtual int ParseBlockPlace             (void);
	virtual int ParseChat                   (void);
	virtual int ParseCreativeInventoryAction(void);
	virtual int ParseDisconnect             (void);
	virtual int ParseEntityAction           (void);
	virtual int ParseHandshake              (void);
	virtual int ParseKeepAlive              (void);
	virtual int ParseLogin                  (void);
	virtual int ParsePing                   (void);
	virtual int ParsePlayerAbilities        (void);
	virtual int ParsePlayerLook             (void);
	virtual int ParsePlayerMoveLook         (void);
	virtual int ParsePlayerOnGround         (void);
	virtual int ParsePlayerPosition         (void);
	virtual int ParsePluginMessage          (void);
	virtual int ParseRespawn                (void);
	virtual int ParseSlotSelected           (void);
	virtual int ParseUpdateSign             (void);
	virtual int ParseUseEntity              (void);
	virtual int ParseEnchantItem            (void);
	virtual int ParseWindowClick            (void);
	virtual int ParseWindowClose            (void);
	
	// Utility functions:
	/// Writes a "pre-chunk" packet
	void SendPreChunk(int a_ChunkX, int a_ChunkZ, bool a_ShouldLoad);
	
	/// Writes a "set window items" packet with the specified params
	void SendWindowSlots(char a_WindowID, int a_NumItems, const cItem * a_Items);
	
	/// Writes one item, "slot" as the protocol wiki calls it
	virtual void WriteItem(const cItem & a_Item);
	
	/// Parses one item, "slot" as the protocol wiki calls it, from m_ReceivedData; returns the usual ParsePacket() codes
	virtual int  ParseItem(cItem & a_Item);
	
	/// Writes the COMMON entity metadata
	void WriteCommonMetadata(const cEntity & a_Entity);

	/// Writes normal entity metadata
	void WriteEntityMetadata(const cEntity & a_Entity);

	/// Writes mobile entity metadata
	void WriteMobMetadata(const cMonster & a_Mob);
} ;