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cuberite-2a/src/Protocol/Protocol.h

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// Protocol.h
// Interfaces to the cProtocol class representing the generic interface that a protocol
// parser and serializer must implement
#pragma once
#include "../Defines.h"
#include "../Scoreboard.h"
#include "../ByteBuffer.h"
#include "../EffectID.h"
#include "../World.h"
class cMap;
class cExpOrb;
class cPlayer;
class cEntity;
class cWindow;
class cPainting;
class cWorld;
class cMonster;
class cCompositeChat;
class cStatManager;
class cPacketizer;
class cProtocol
{
public:
cProtocol(cClientHandle * a_Client) :
m_Client(a_Client),
m_OutPacketBuffer(64 KiB),
m_OutPacketLenBuffer(20) // 20 bytes is more than enough for one VarInt
{
}
virtual ~cProtocol() {}
/** Logical types of outgoing packets.
These values get translated to on-wire packet IDs in GetPacketID(), specific for each protocol.
This is mainly useful for protocol sub-versions that re-number the packets while using mostly the same packet layout. */
enum ePacketType
{
pktAttachEntity = 0,
pktBlockAction,
pktBlockBreakAnim,
pktBlockChange,
pktBlockChanges,
pktBossBar,
pktCameraSetTo,
pktChatRaw,
pktCollectEntity,
pktDestroyEntity,
pktDifficulty,
pktDisconnectDuringLogin,
pktDisconnectDuringGame,
pktDisplayObjective,
pktEditSign,
pktEncryptionRequest,
pktEntityAnimation,
pktEntityEffect,
pktEntityEquipment,
pktEntityHeadLook,
pktEntityLook,
pktEntityMeta,
pktEntityProperties,
pktEntityRelMove,
pktEntityRelMoveLook,
pktEntityStatus,
pktEntityVelocity,
pktExperience,
pktExplosion,
pktGameMode,
pktHeldItemChange,
pktInventorySlot,
pktJoinGame,
pktKeepAlive,
pktLeashEntity,
pktLoginSuccess,
pktMapData,
pktParticleEffect,
pktPingResponse,
pktPlayerAbilities,
pktPlayerList,
pktPlayerListHeaderFooter,
pktPlayerMoveLook,
pktPluginMessage,
pktRemoveEntityEffect,
pktResourcePack,
pktRespawn,
pktScoreboardObjective,
pktSpawnObject,
pktSoundEffect,
pktSoundParticleEffect,
pktSpawnExperienceOrb,
pktSpawnGlobalEntity,
pktSpawnMob,
pktSpawnOtherPlayer,
pktSpawnPainting,
pktSpawnPosition,
pktStartCompression,
pktStatistics,
pktStatusResponse,
pktTabCompletionResults,
pktTeleportEntity,
pktTimeUpdate,
pktTitle,
pktUnloadChunk,
pktUnlockRecipe,
pktUpdateBlockEntity,
pktUpdateHealth,
pktUpdateScore,
pktUpdateSign,
pktUseBed,
pktWeather,
pktWindowItems,
pktWindowClose,
pktWindowOpen,
pktWindowProperty
};
enum class EntityMetadata
{
EntityFlags,
EntityAir,
EntityCustomName,
EntityCustomNameVisible,
EntitySilent,
EntityNoGravity,
EntityPose,
PotionThrown,
FallingBlockPosition,
AreaEffectCloudRadius,
AreaEffectCloudColor,
AreaEffectCloudSinglePointEffect,
AreaEffectCloudParticleId,
AreaEffectCloudParticleParameter1,
AreaEffectCloudParticleParameter2,
ArrowFlags,
TippedArrowColor,
BoatLastHitTime,
BoatForwardDirection,
BoatDamageTaken,
BoatType,
BoatLeftPaddleTurning,
BoatRightPaddleTurning,
BoatSplashTimer,
EnderCrystalBeamTarget,
EnderCrystalShowBottom,
WitherSkullInvulnerable,
FireworkInfo,
FireworkBoostedEntityId,
ItemFrameItem,
ItemFrameRotation,
ItemItem,
LivingActiveHand,
LivingHealth,
LivingPotionEffectColor,
LivingPotionEffectAmbient,
LivingNumberOfArrows,
PlayerAdditionalHearts,
PlayerScore,
PlayerDisplayedSkinParts,
PlayerMainHand,
ArmorStandStatus,
ArmorStandHeadRotation,
ArmorStandBodyRotation,
ArmorStandLeftArmRotation,
ArmorStandRightArmRotation,
ArmorStandLeftLegRotation,
ArmorStandRightLegRotation,
InsentientFlags,
BatHanging,
AgeableIsBaby,
AbstractHorseFlags,
AbstractHorseOwner,
HorseVariant,
HorseArmour,
ChestedHorseChested,
LlamaStrength,
LlamaCarpetColor,
LlamaVariant,
PigHasSaddle,
PigTotalCarrotOnAStickBoost,
RabbitType,
PolarBearStanding,
SheepFlags,
TameableAnimalFlags,
TameableAnimalOwner,
OcelotType,
WolfDamageTaken,
WolfBegging,
WolfCollarColour,
VillagerProfession,
IronGolemPlayerCreated,
ShulkerFacingDirection,
ShulkerAttachmentFallingBlockPosition,
ShulkerShieldHeight,
BlazeOnFire,
CreeperState,
CreeperPowered,
CreeperIgnited,
GuardianStatus,
GuardianTarget,
IllagerFlags,
SpeIlagerSpell,
VexFlags,
AbstractSkeletonArmsSwinging,
SpiderClimbing,
WitchAggresive,
WitherFirstHeadTarget,
WitherSecondHeadTarget,
WitherThirdHeadTarget,
WitherInvulnerableTimer,
ZombieIsBaby,
ZombieUnusedWasType,
ZombieHandsRisedUp,
ZombieVillagerConverting,
ZombieVillagerProfession,
EndermanCarriedBlock,
EndermanScreaming,
EnderDragonDragonPhase,
GhastAttacking,
SlimeSize,
MinecartShakingPower,
MinecartShakingDirection,
MinecartShakingMultiplier,
MinecartBlockIDMeta,
MinecartBlockY,
MinecartShowBlock,
MinecartCommandBlockCommand,
MinecartCommandBlockLastOutput,
MinecartFurnacePowered,
TNTPrimedFuseTime
};
enum class EntityMetadataType
{
Byte,
VarInt,
Float,
String,
Chat,
OptChat,
Item,
Boolean,
Rotation,
Position,
OptPosition,
Direction,
OptUUID,
OptBlockID,
NBT,
Particle,
VillagerData,
OptVarInt,
Pose
};
enum class Version
{
v1_8_0 = 47,
v1_9_0 = 107,
v1_9_1 = 108,
v1_9_2 = 109,
v1_9_4 = 110,
v1_10_0 = 210,
v1_11_0 = 315,
v1_11_1 = 316,
v1_12 = 335,
v1_12_1 = 338,
v1_12_2 = 340,
v1_13 = 393,
v1_13_1 = 401,
v1_13_2 = 404, // TODO: this constant should be in WebServer
v1_14 = 477
};
enum State
{
Status = 1,
Login = 2,
Game = 3,
};
/** Called to process them, when client sends some data.
The protocol uses the provided buffers for storage and processing, and must have exclusive access to them. */
virtual void DataReceived(cByteBuffer & a_Buffer, ContiguousByteBuffer && a_Data) = 0;
// Sending stuff to clients (alphabetically sorted):
virtual void SendAttachEntity (const cEntity & a_Entity, const cEntity & a_Vehicle) = 0;
virtual void SendBlockAction (int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType) = 0;
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 SendBossBarAdd (UInt32 a_UniqueID, const cCompositeChat & a_Title, float a_FractionFilled, BossBarColor a_Color, BossBarDivisionType a_DivisionType, bool a_DarkenSky, bool a_PlayEndMusic, bool a_CreateFog) = 0;
virtual void SendBossBarRemove (UInt32 a_UniqueID) = 0;
virtual void SendBossBarUpdateHealth (UInt32 a_UniqueID, float a_FractionFilled) = 0;
virtual void SendBossBarUpdateFlags (UInt32 a_UniqueID, bool a_DarkenSky, bool a_PlayEndMusic, bool a_CreateFog) = 0;
virtual void SendBossBarUpdateStyle (UInt32 a_UniqueID, BossBarColor a_Color, BossBarDivisionType a_DivisionType) = 0;
virtual void SendBossBarUpdateTitle (UInt32 a_UniqueID, const cCompositeChat & a_Title) = 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 SendChatRaw (const AString & a_MessageRaw, eChatType a_Type) = 0;
virtual void SendChunkData (ContiguousByteBufferView a_ChunkData) = 0;
virtual void SendCollectEntity (const cEntity & a_Collected, const cEntity & a_Collector, unsigned a_Count) = 0;
virtual void SendDestroyEntity (const cEntity & a_Entity) = 0;
virtual void SendDetachEntity (const cEntity & a_Entity, const cEntity & a_PreviousVehicle) = 0;
virtual void SendDisconnect (const AString & a_Reason) = 0;
virtual void SendEditSign (int a_BlockX, int a_BlockY, int a_BlockZ) = 0; ///< 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, int a_Duration) = 0;
virtual void SendEntityAnimation (const cEntity & a_Entity, EntityAnimation a_Animation) = 0;
virtual void SendEntityEquipment (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) = 0;
virtual void SendEntityHeadLook (const cEntity & a_Entity) = 0;
virtual void SendEntityLook (const cEntity & a_Entity) = 0;
virtual void SendEntityMetadata (const cEntity & a_Entity) = 0;
virtual void SendEntityPosition (const cEntity & a_Entity) = 0;
virtual void SendEntityProperties (const cEntity & a_Entity) = 0;
virtual void SendEntityVelocity (const cEntity & a_Entity) = 0;
virtual void SendExplosion (Vector3f a_Position, float a_Power) = 0;
virtual void SendGameMode (eGameMode a_GameMode) = 0;
virtual void SendHealth (void) = 0;
virtual void SendHeldItemChange (int a_ItemIndex) = 0;
virtual void SendHideTitle (void) = 0;
virtual void SendInventorySlot (char a_WindowID, short a_SlotNum, const cItem & a_Item) = 0;
virtual void SendKeepAlive (UInt32 a_PingID) = 0;
virtual void SendLeashEntity (const cEntity & a_Entity, const cEntity & a_EntityLeashedTo) = 0;
virtual void SendLogin (const cPlayer & a_Player, const cWorld & a_World) = 0;
virtual void SendLoginSuccess (void) = 0;
virtual void SendMapData (const cMap & a_Map, int a_DataStartX, int a_DataStartY) = 0;
virtual void SendPaintingSpawn (const cPainting & a_Painting) = 0;
virtual void SendPlayerAbilities (void) = 0;
virtual void SendParticleEffect (const AString & a_SoundName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmount) = 0;
virtual void SendParticleEffect (const AString & a_SoundName, Vector3f a_Src, Vector3f a_Offset, float a_ParticleData, int a_ParticleAmount, std::array<int, 2> a_Data) = 0;
virtual void SendPlayerListAddPlayer (const cPlayer & a_Player) = 0;
virtual void SendPlayerListHeaderFooter (const cCompositeChat & a_Header, const cCompositeChat & a_Footer) = 0;
virtual void SendPlayerListRemovePlayer (const cPlayer & a_Player) = 0;
virtual void SendPlayerListUpdateGameMode (const cPlayer & a_Player) = 0;
virtual void SendPlayerListUpdatePing () = 0;
virtual void SendPlayerListUpdateDisplayName(const cPlayer & a_Player, const AString & a_CustomName) = 0;
virtual void SendPlayerMoveLook (void) = 0;
virtual void SendPlayerPosition (void) = 0;
virtual void SendPlayerSpawn (const cPlayer & a_Player) = 0;
virtual void SendPluginMessage (const AString & a_Channel, ContiguousByteBufferView a_Message) = 0;
virtual void SendRemoveEntityEffect (const cEntity & a_Entity, int a_EffectID) = 0;
virtual void SendResetTitle (void) = 0;
virtual void SendResourcePack (const AString & a_ResourcePackUrl) = 0;
virtual void SendRespawn (eDimension a_Dimension) = 0;
virtual void SendExperience (void) = 0;
virtual void SendExperienceOrb (const cExpOrb & a_ExpOrb) = 0;
virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) = 0;
virtual void SendScoreUpdate (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) = 0;
virtual void SendDisplayObjective (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) = 0;
virtual void SendSetSubTitle (const cCompositeChat & a_SubTitle) = 0;
virtual void SendSetRawSubTitle (const AString & a_SubTitle) = 0;
virtual void SendSetTitle (const cCompositeChat & a_Title) = 0;
virtual void SendSetRawTitle (const AString & a_Title) = 0;
virtual void SendSoundEffect (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) = 0;
virtual void SendSoundParticleEffect (const EffectID a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) = 0;
virtual void SendSpawnEntity (const cEntity & a_Entity) = 0;
virtual void SendSpawnMob (const cMonster & a_Mob) = 0;
virtual void SendStatistics (const cStatManager & a_Manager) = 0;
virtual void SendTabCompletionResults (const AStringVector & a_Results) = 0;
virtual void SendThunderbolt (int a_BlockX, int a_BlockY, int a_BlockZ) = 0;
virtual void SendTitleTimes (int a_FadeInTicks, int a_DisplayTicks, int a_FadeOutTicks) = 0;
virtual void SendTimeUpdate (cTickTimeLong a_WorldAge, cTickTimeLong a_WorldDate, bool a_DoDaylightCycle) = 0;
virtual void SendUnleashEntity (const cEntity & a_Entity) = 0;
virtual void SendUnloadChunk (int a_ChunkX, int a_ChunkZ) = 0;
virtual void SendUpdateBlockEntity (cBlockEntity & a_BlockEntity) = 0;
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) = 0;
virtual void SendUnlockRecipe (UInt32 a_RecipeID) = 0;
virtual void SendInitRecipes (UInt32 a_RecipeID) = 0;
virtual void SendWeather (eWeather a_Weather) = 0;
virtual void SendWholeInventory (const cWindow & a_Window) = 0;
virtual void SendWindowClose (const cWindow & a_Window) = 0;
virtual void SendWindowOpen (const cWindow & a_Window) = 0;
virtual void SendWindowProperty (const cWindow & a_Window, size_t a_Property, short a_Value) = 0;
/** Returns the ServerID used for authentication through session.minecraft.net */
virtual AString GetAuthServerID(void) = 0;
protected:
friend class cPacketizer;
cClientHandle * m_Client;
/** Provides synchronization for sending the entire packet at once.
Each SendXYZ() function must acquire this CS in order to send the whole packet at once.
Automated via cPacketizer class. */
cCriticalSection m_CSPacket;
/** 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;
/** Returns the protocol-specific packet ID given the protocol-agnostic packet enum. */
virtual UInt32 GetPacketID(ePacketType a_Packet) const = 0;
/** Returns the current protocol's version, for handling status requests. */
virtual Version GetProtocolVersion() const = 0;
/** A generic data-sending routine, all outgoing packet data needs to be routed through this so that descendants may override it. */
virtual void SendData(ContiguousByteBufferView a_Data) = 0;
/** Sends a single packet contained within the cPacketizer class.
The cPacketizer's destructor calls this to send the contained packet; protocol may transform the data (compression in 1.8 etc). */
virtual void SendPacket(cPacketizer & a_Packet) = 0;
} ;
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