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Add protocol mob ID remapping (#4538)

This commit is contained in:
Mat 2020-03-29 18:54:37 +03:00 committed by GitHub
parent aa9a16b0c6
commit 31ace87d28
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GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 217 additions and 5 deletions
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5
src/Protocol/Protocol.h
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@ -14,6 +14,7 @@
#include "../Scoreboard.h"
#include "../ByteBuffer.h"
#include "../EffectID.h"
#include "../World.h"
@ -236,7 +237,6 @@ public:
/** Returns the ServerID used for authentication through session.minecraft.net */
virtual AString GetAuthServerID(void) = 0;
protected:
friend class cPacketizer;
@ -257,6 +257,9 @@ protected:
/** Returns the protocol-specific packet ID given the protocol-agnostic packet enum. */
virtual UInt32 GetPacketID(ePacketType a_Packet) = 0;
/** Converts eMonsterType to protocol-specific mob types */
virtual UInt32 GetProtocolMobType(eMonsterType a_MobType) = 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(const char * a_Data, size_t a_Size) = 0;

9
src/Protocol/ProtocolRecognizer.cpp
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@ -1010,6 +1010,15 @@ AString cProtocolRecognizer::GetAuthServerID(void)
UInt32 cProtocolRecognizer::GetProtocolMobType(eMonsterType a_MobType)
{
return 0;
}
void cProtocolRecognizer::SendData(const char * a_Data, size_t a_Size)
{
// This is used only when handling the server ping

4
src/Protocol/ProtocolRecognizer.h
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@ -141,7 +141,6 @@ public:
virtual void SendData(const char * a_Data, size_t a_Size) override;
protected:
/** The recognized protocol */
@ -156,6 +155,9 @@ protected:
/** Returns the protocol-specific packet ID given the protocol-agnostic packet enum. */
virtual UInt32 GetPacketID(ePacketType a_PacketType) override;
/** Converts eMonsterType to protocol-specific mob types */
virtual UInt32 GetProtocolMobType(eMonsterType a_MobType) override;
// Packet handlers while in status state (m_InPingForUnrecognizedVersion == true)
void HandlePacketStatusRequest();
void HandlePacketStatusPing();

47
src/Protocol/Protocol_1_11.cpp
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@ -388,7 +388,7 @@ void cProtocol_1_11_0::SendSpawnMob(const cMonster & a_Mob)
// TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now.
Pkt.WriteBEUInt64(0);
Pkt.WriteBEUInt64(a_Mob.GetUniqueID());
Pkt.WriteVarInt32(static_cast<UInt32>(a_Mob.GetMobType()));
Pkt.WriteVarInt32(GetProtocolMobType(a_Mob.GetMobType()));
Vector3d LastSentPos = a_Mob.GetLastSentPos();
Pkt.WriteBEDouble(LastSentPos.x);
Pkt.WriteBEDouble(LastSentPos.y);
@ -539,6 +539,51 @@ void cProtocol_1_11_0::SendTitleTimes(int a_FadeInTicks, int a_DisplayTicks, int
UInt32 cProtocol_1_11_0::GetProtocolMobType(eMonsterType a_MobType)
{
switch (a_MobType)
{
// Map invalid type to Giant for easy debugging (if this ever spawns, something has gone very wrong)
case mtInvalidType: return 52;
case mtBat: return 65;
case mtBlaze: return 61;
case mtCaveSpider: return 59;
case mtChicken: return 93;
case mtCow: return 92;
case mtCreeper: return 50;
case mtEnderDragon: return 63;
case mtEnderman: return 58;
case mtGhast: return 56;
case mtGiant: return 53;
case mtGuardian: return 68;
case mtHorse: return 100;
case mtIronGolem: return 99;
case mtMagmaCube: return 62;
case mtMooshroom: return 96;
case mtOcelot: return 98;
case mtPig: return 90;
case mtRabbit: return 101;
case mtSheep: return 91;
case mtSilverfish: return 60;
case mtSkeleton: return 51;
case mtSlime: return 55;
case mtSnowGolem: return 97;
case mtSpider: return 52;
case mtSquid: return 94;
case mtVillager: return 120;
case mtWitch: return 66;
case mtWither: return 64;
case mtWolf: return 95;
case mtZombie: return 54;
case mtZombiePigman: return 57;
}
UNREACHABLE("Unsupported mob type");
}
void cProtocol_1_11_0::HandlePacketBlockPlace(cByteBuffer & a_ByteBuffer)
{
int BlockX, BlockY, BlockZ;

3
src/Protocol/Protocol_1_11.h
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@ -37,6 +37,9 @@ public:
protected:
/** Converts eMonsterType to protocol-specific mob IDs */
virtual UInt32 GetProtocolMobType(eMonsterType a_MobType) override;
virtual void HandlePacketBlockPlace (cByteBuffer & a_ByteBuffer) override;
virtual void HandlePacketStatusRequest(cByteBuffer & a_ByteBuffer) override;

46
src/Protocol/Protocol_1_13.cpp
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@ -26,6 +26,7 @@ Implements the 1.13 protocol classes:
#include "../ClientHandle.h"
#include "../Root.h"
#include "../Server.h"
#include "../World.h"
#include "../Bindings/PluginManager.h"
@ -395,6 +396,51 @@ void cProtocol_1_13::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity)
UInt32 cProtocol_1_13::GetProtocolMobType(eMonsterType a_MobType)
{
switch (a_MobType)
{
// Map invalid type to Giant for easy debugging (if this ever spawns, something has gone very wrong)
case mtInvalidType: return 27;
case mtBat: return 3;
case mtBlaze: return 4;
case mtCaveSpider: return 6;
case mtChicken: return 7;
case mtCow: return 9;
case mtCreeper: return 10;
case mtEnderDragon: return 17;
case mtEnderman: return 18;
case mtGhast: return 26;
case mtGiant: return 27;
case mtGuardian: return 28;
case mtHorse: return 29;
case mtIronGolem: return 80;
case mtMagmaCube: return 38;
case mtMooshroom: return 47;
case mtOcelot: return 48;
case mtPig: return 51;
case mtRabbit: return 56;
case mtSheep: return 58;
case mtSilverfish: return 61;
case mtSkeleton: return 62;
case mtSlime: return 64;
case mtSnowGolem: return 66;
case mtSpider: return 69;
case mtSquid: return 70;
case mtVillager: return 79;
case mtWitch: return 82;
case mtWither: return 83;
case mtWolf: return 86;
case mtZombie: return 87;
case mtZombiePigman: return 53;
}
UNREACHABLE("Unsupported mob type");
}
bool cProtocol_1_13::ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item, size_t a_KeepRemainingBytes)
{
HANDLE_PACKET_READ(a_ByteBuffer, ReadBEInt16, Int16, ItemType);

4
src/Protocol/Protocol_1_13.h
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@ -15,6 +15,7 @@ Declares the 1.13 protocol classes:
#pragma once
#include "Protocol_1_12.h"
#include "../World.h"
@ -72,6 +73,9 @@ protected:
virtual void SendTabCompletionResults (const AStringVector & a_Results) override;
virtual void SendUpdateBlockEntity (cBlockEntity & a_BlockEntity) override;
/** Converts eMonsterType to protocol-specific mob types */
virtual UInt32 GetProtocolMobType(eMonsterType a_MobType) override;
virtual bool ReadItem(cByteBuffer & a_ByteBuffer, cItem & a_Item, size_t a_KeepRemainingBytes) override;
virtual void WriteItem(cPacketizer & a_Pkt, const cItem & a_Item) override;
virtual void WriteEntityMetadata(cPacketizer & a_Pkt, const cEntity & a_Entity) override;

48
src/Protocol/Protocol_1_8.cpp
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@ -23,6 +23,7 @@ Implements the 1.8 protocol classes:
#include "../CompositeChat.h"
#include "../Statistics.h"
#include "../UUID.h"
#include "../World.h"
#include "../WorldStorage/FastNBT.h"
#include "../WorldStorage/EnchantmentSerializer.h"
@ -1347,7 +1348,7 @@ void cProtocol_1_8_0::SendSpawnMob(const cMonster & a_Mob)
cPacketizer Pkt(*this, pktSpawnMob);
Pkt.WriteVarInt32(a_Mob.GetUniqueID());
Pkt.WriteBEUInt8(static_cast<Byte>(a_Mob.GetMobType()));
Pkt.WriteBEUInt8(static_cast<Byte>(GetProtocolMobType(a_Mob.GetMobType())));
Vector3d LastSentPos = a_Mob.GetLastSentPos();
Pkt.WriteFPInt(LastSentPos.x);
Pkt.WriteFPInt(LastSentPos.y);
@ -1827,6 +1828,51 @@ int cProtocol_1_8_0::GetParticleID(const AString & a_ParticleName)
UInt32 cProtocol_1_8_0::GetProtocolMobType(eMonsterType a_MobType)
{
switch (a_MobType)
{
// Map invalid type to Giant for easy debugging (if this ever spawns, something has gone very wrong)
case mtInvalidType: return 52;
case mtBat: return 65;
case mtBlaze: return 61;
case mtCaveSpider: return 59;
case mtChicken: return 93;
case mtCow: return 92;
case mtCreeper: return 50;
case mtEnderDragon: return 63;
case mtEnderman: return 58;
case mtGhast: return 56;
case mtGiant: return 53;
case mtGuardian: return 68;
case mtHorse: return 100;
case mtIronGolem: return 99;
case mtMagmaCube: return 62;
case mtMooshroom: return 96;
case mtOcelot: return 98;
case mtPig: return 90;
case mtRabbit: return 101;
case mtSheep: return 91;
case mtSilverfish: return 60;
case mtSkeleton: return 51;
case mtSlime: return 55;
case mtSnowGolem: return 97;
case mtSpider: return 52;
case mtSquid: return 94;
case mtVillager: return 120;
case mtWitch: return 66;
case mtWither: return 64;
case mtWolf: return 95;
case mtZombie: return 54;
case mtZombiePigman: return 57;
}
UNREACHABLE("Unsupported mob type");
}
void cProtocol_1_8_0::FixItemFramePositions(int a_ObjectData, double & a_PosX, double & a_PosZ, double & a_Yaw)
{
switch (a_ObjectData)

4
src/Protocol/Protocol_1_8.h
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@ -15,6 +15,7 @@ Declares the 1.8 protocol classes:
#include "Protocol.h"
#include "../ByteBuffer.h"
#include "../World.h"
#include "../mbedTLS++/AesCfb128Decryptor.h"
#include "../mbedTLS++/AesCfb128Encryptor.h"
@ -164,6 +165,9 @@ protected:
/** Nobody inherits 1.8, so it doesn't use this method */
virtual UInt32 GetPacketID(ePacketType a_Packet) override;
/** Converts eMonsterType to protocol-specific mob types */
virtual UInt32 GetProtocolMobType(eMonsterType a_MobType) override;
/** 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
*/

48
src/Protocol/Protocol_1_9.cpp
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@ -27,6 +27,7 @@ Implements the 1.9 protocol classes:
#include "../StringCompression.h"
#include "../CompositeChat.h"
#include "../Statistics.h"
#include "../World.h"
#include "../WorldStorage/FastNBT.h"
@ -1408,7 +1409,7 @@ void cProtocol_1_9_0::SendSpawnMob(const cMonster & a_Mob)
// TODO: Bad way to write a UUID, and it's not a true UUID, but this is functional for now.
Pkt.WriteBEUInt64(0);
Pkt.WriteBEUInt64(a_Mob.GetUniqueID());
Pkt.WriteBEUInt8(static_cast<Byte>(a_Mob.GetMobType()));
Pkt.WriteBEUInt8(static_cast<Byte>(GetProtocolMobType(a_Mob.GetMobType())));
Vector3d LastSentPos = a_Mob.GetLastSentPos();
Pkt.WriteBEDouble(LastSentPos.x);
Pkt.WriteBEDouble(LastSentPos.y);
@ -1883,6 +1884,51 @@ int cProtocol_1_9_0::GetParticleID(const AString & a_ParticleName)
UInt32 cProtocol_1_9_0::GetProtocolMobType(eMonsterType a_MobType)
{
switch (a_MobType)
{
// Map invalid type to Giant for easy debugging (if this ever spawns, something has gone very wrong)
case mtInvalidType: return 52;
case mtBat: return 65;
case mtBlaze: return 61;
case mtCaveSpider: return 59;
case mtChicken: return 93;
case mtCow: return 92;
case mtCreeper: return 50;
case mtEnderDragon: return 63;
case mtEnderman: return 58;
case mtGhast: return 56;
case mtGiant: return 53;
case mtGuardian: return 68;
case mtHorse: return 100;
case mtIronGolem: return 99;
case mtMagmaCube: return 62;
case mtMooshroom: return 96;
case mtOcelot: return 98;
case mtPig: return 90;
case mtRabbit: return 101;
case mtSheep: return 91;
case mtSilverfish: return 60;
case mtSkeleton: return 51;
case mtSlime: return 55;
case mtSnowGolem: return 97;
case mtSpider: return 52;
case mtSquid: return 94;
case mtVillager: return 120;
case mtWitch: return 66;
case mtWither: return 64;
case mtWolf: return 95;
case mtZombie: return 54;
case mtZombiePigman: return 57;
}
UNREACHABLE("Unsupported mob type");
}
void cProtocol_1_9_0::FixItemFramePositions(int a_ObjectData, double & a_PosX, double & a_PosZ, double & a_Yaw)
{
switch (a_ObjectData)

4
src/Protocol/Protocol_1_9.h
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@ -21,6 +21,7 @@ Declares the 1.9 protocol classes:
#include "Protocol.h"
#include "../ByteBuffer.h"
#include "../World.h"
#include "../mbedTLS++/AesCfb128Decryptor.h"
#include "../mbedTLS++/AesCfb128Encryptor.h"
@ -174,6 +175,9 @@ protected:
/** Get the packet ID for a given packet */
virtual UInt32 GetPacketID(ePacketType a_Packet) override;
/** Converts eMonsterType to protocol-specific mob IDs */
virtual UInt32 GetProtocolMobType(eMonsterType a_MobType) override;
/** 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. */
virtual bool HandlePacket(cByteBuffer & a_ByteBuffer, UInt32 a_PacketType);