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Will it work for GOD H5 Client Protocol 140?? -
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In this guide we will cover how to understand and implement the packages belonging to the Lineage 2 UI. More specifically the Essence version UI. Required UTPT (Unreal Tournament Package Tool) : https://github.com/l2jsourcecode/ut-package-tool File : InterfaceClassic.U The packages are embedded into the interface, specifically located in the InterfaceClassic.u file. Some key classes include: UIPacket.uc (defines package structure) UIProtocol.uc (defines package opcode) The packages are split into two main types: Client to Server (prefix: C) Server to Client (prefix: S) For example, in the UIProtocol class: const C_EX_COSTUME_LOCK = 573; // packet from client to server const S_EX_COSTUME_LOCK = 785; // packet from server to client We’ll use this package as a case study to delve deeper. Understanding Client to Server Packets Let's examine a packet from the client with an opcode of 573. On the server side, opcodes are converted into hexadecimal values using a formula: opcode - C_MAX where C_MAX is an opcode defined in UIProtocol. Recently, C_MAX has been set to 209. For instance: 573 - 209 = 364 364 -> hex = 16C This hexadecimal value (16C) corresponds to the opcode for the Java class. Understanding Server to Client Packets For server packets, we also use hexadecimal conversion but with a different opcode: S_MAX = 255 S_MAX is applied to packages with an opcode above 255. For values below this, simply convert the number to hex. For example: const S_EX_COSTUME_LOCK = 785; 785 - 255 = 530 530 -> hex = 212 = 0xFE:0x212 Here, 0xFE represents S_MAX. Packet Structure Finally, let’s look at the packet structure. Open UIPacket.uc and locate the C_EX_COSTUME_LOCK to examine its structure in detail. struct _C_EX_COSTUME_LOCK { var int nCostumeId; var int nLockState; }; We observe two integer variables, representing the structure of the package transmitted to the server. By continuing our search within this file, we find the following code: static function bool Encode_C_EX_COSTUME_LOCK(out array<byte> stream, _C_EX_COSTUME_LOCK packet) { if(!EncodeInt(stream, packet.nCostumeId)) { return false; } if(!EncodeChar(stream, packet.nLockState)) { return false; } return true; } This function encodes the packet structure for transmission. As discussed earlier, the data types within the packet are crucial. Specifically: EncodeInt corresponds to an integer. EncodeChar is treated as a short in Java, typically read using readC, while readD is used for EncodeInt. Having examined the client-to-server packet structure, let's now explore the structure expected by the client from the server. The process is similar. We locate _S_EX_COSTUME_LOCK within UIPacket: struct _S_EX_COSTUME_LOCK { var byte bResult; var int nCostumeId; var int nLockState; }; Data Decryption The corresponding decryption function is: static function bool Decode_S_EX_COSTUME_LOCK(out _S_EX_COSTUME_LOCK packet) { if(!DecodeBool(packet.bResult)) { return false; } if(!DecodeInt(packet.nCostumeId)) { return false; } if(!DecodeChar(packet.nLockState)) { return false; } return true; } Here, the variables are decoded as follows: bResult is decoded as a Bool. nCostumeId is decoded as an Int. nLockState is decoded as a Char. This consistent approach to encoding and decoding ensures reliable data transmission between the client and server. Example usage : https://imgur.com/a/zVZHVzq Credits : L2j West Coast Custom ( https://discord.gg/n2c8meMN )
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loverplus_kr
[ERROR] BUILD ERROR
[iNFO] ------------------------------------------------------------------------
[iNFO] Failed to resolve artifact.
Missing:
----------
1) l2emuproject:l2emu-commons:jar:1.0.3
Try downloading the file manually from the project website.
Then, install it using the command:
mvn install:install-file -DgroupId=l2emuproject -DartifactId=l2emu-commons -Dversion=1.0.3 -Dpackaging=jar -Dfile=/path/to/file
Alternatively, if you host your own repository you can deploy the file there:
mvn deploy:deploy-file -DgroupId=l2emuproject -DartifactId=l2emu-commons -Dversion=1.0.3 -Dpackaging=jar -Dfile=/path/to/file -Durl= -DrepositoryId=[id]
Path to dependency:
1) l2emuproject:l2emu-game:jar:1.0.3
2) l2emuproject:l2emu-commons:jar:1.0.3
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1 required artifact is missing.
for artifact:
l2emuproject:l2emu-game:jar:1.0.3
from the specified remote repositories:
apache.snapshots (http://people.apache.org/repo/m2-snapshot-repository),
central (http://repo1.maven.org/maven2),
L2-Emu Repository (http://svn-l2emu.no-ip.org/maven/),
mevenide repo (http://mevenide.codehaus.org/repository),
central L2Emu Project (http://ns360719.ovh.net/maven),
Maven Snapshots (http://snapshots.maven.codehaus.org/maven2),
Central L2Emu Project (http://svn-l2emu.no-ip.org/maven/),
maven 2 (default) (http://repo1.maven.org/maven2),
ibiblio maven2 (http://www.ibiblio.org/maven2)
[iNFO] ------------------------------------------------------------------------
[iNFO] For more information, run Maven with the -e switch
[iNFO] ------------------------------------------------------------------------
[iNFO] Total time: 35 seconds
[iNFO] Finished at: Wed Jun 24 16:51:19 KST 2009
[iNFO] Final Memory: 8M/14M
[iNFO] ------------------------------------------------------------------------
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