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Current Donation Goals
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Current MonthRaised 23.00 EUR of 65.00 EUR target
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I'm rebuilding the Metin2 server (TMP4) in Rust – here's where I am
Do you intend on sharing this? Maybe a git repo? Not that i will use this but i find this interesting and im a little curious, at least i'd like to check it. -
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[M2Dev] Advanced Files To Build Your Server: Src & Server Files & Client [x64 / DX9Ex / CMake / Python3.14 / FreeType / XChaCha20-Poly1305]
Kind of late for this probably, but i actually found some mismatch in packets. Server was using 64bit packet definitions and client was expecting 32bit. I can't say wich packet it was specifically, it was 2 weeks ago that i found this, fixed it and only now that i was reading the comments i saw this and remembered to mention. Btw, the client im using is the one you have on git. Also, i did not look into this with attention, but... EterLib/StateManager.cpp: void CStateManager::SetPixelShaderConstant(DWORD dwRegister, CONST void* pConstantData, DWORD dwConstantCount) { m_lpD3DDev->SetVertexShaderConstantF(dwRegister, (const float*)pConstantData, dwConstantCount); } This is calling SetVertexShaderConstantF inside SetPixelShaderConstant(). Shouldn't it be using SetPixelShaderConstantF()? -
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I'm rebuilding the Metin2 server (TMP4) in Rust – here's where I am
Hi everyone! I'd like to share a project I'm working on: a complete rewrite of the TMP4 game server in the Rust programming language. What is this, in simple words? A Metin2 private server has two parts: The client: the game you launch on your PC. The server: the program that handles accounts, monsters, fights, items, quests and saving your character. TMP4 is a well-known server base written in C++. I'm rewriting that server in Rust, a modern and safer language. Same client: you keep the normal, unmodified TMP4 client and play as usual. Same data: maps, quests, items, monsters and the MySQL database all come from TMP4. Same behaviour: every system is copied from the original TMP4 code, with the same formulas, drops and messages. The goal is to reach 100% of what TMP4 does first, then improve from there. TMP4 vs Rust: stability and security Bad packets sent by cheaters TMP4: a badly formed packet can crash the server Rust: every packet is checked. All 55 client packet types were tested with random garbage, and nothing crashed. Memory bugs (a classic source of crashes and exploits) TMP4: possible anywhere in the code, and compiler warnings are turned off Rust: impossible by design. Only 4 small "unsafe" spots exist, all in the Lua quest bridge. Database hacking (SQL injection) TMP4: about 30 database queries are built by hand from text Rust: every query is protected automatically Passwords TMP4: old MySQL hashing Rust: modern hashing (argon2) A bug during one player's action TMP4: can take the whole server down Rust: only that player is disconnected, and everyone else keeps playing Item duplication when saving TMP4: depends on a separate cache program Rust: every item keeps a fixed ID, and saves stay safe even when many players log out at once (0 errors in my tests) Where it runs TMP4: FreeBSD only, 32 bits, so 4 GB of memory at most Rust: Windows and Linux, 64 bits How to build it TMP4: complex Makefiles and old libraries Rust: one command, cargo build Is it fast? I tested it with 500 fake players (bots) on one PC with a Ryzen 9 (8 cores). The server, the database and the bots all ran on that same PC. I made the test hard on purpose: around 250 players packed into each starting village, all walking, attacking and chatting at the same time. 11 ms reaction time for 95% of actions (anything under 50 ms feels instant) 29 ms at worst About 300 MB of memory used 0 disconnects or errors 1.6 seconds to start with all 65 maps and ~52,000 monsters 7.5 ms to save a character with 100 items To be honest: I couldn't run the original TMP4 on the same PC, because it needs 32-bit FreeBSD. So there is no measured speed comparison yet. A fair side-by-side test on the same hardware is planned. What already works? done · partly done · not yet Login and characters Login, character creation / deletion / rename, empire choice Guild emblems (upload and display) The world All 65 maps, walls, safe zones in towns, portals All monster spawns (~52,000 monsters) Monsters chase you and use skills Archers and mages attack from range Bosses have their special abilities Dungeons: flame dungeon, catacombs, devil tower, spider queen, heaven's cave… Quests All 237 TMP4 quests work, from the tutorial to the level 99+ story Your character Stats, all bonuses, buffs, level-up, exp All 77 skills, including training up to Perfect Master PvP duels, PK mode, alignment Polymorph (marbles), horse (visible, feed it, ride it), pets Items Inventory with real item sizes, belt inventory Drops, upgrades +0 to +9, bonuses up to 7, stones in sockets NPC shops, your own private shop, trading, storage, item mall Crafting (cube), full Dragon Soul, fishing, mining Playing with others Party with exp sharing and roles Guild ranks, skills and exp donations Guild wars with scores, spectators and bets Guild land and buildings Friends list, private messages, shout Marriage: engagement, wedding ceremony, couple bonuses Events GM event flags (bonus exp / drop / gold) Event drops (Halloween, Easter, Christmas…) OX quiz, duel arena, three-kingdoms war Castle siege, Blue Dragon boss Monarch (emperor) system: written, being integrated and tested Server administration GM commands: the main ones work, some specialised ones are still missing Full action logs (gold, item and login history) Account and IP bans All of TMP4's configuration options Multi-channel: each channel is separate for now, so you can't whisper a friend on another channel yet How do I know it works? About 2,100 automatic tests Many of them simulate real players connecting with the real TMP4 data: dungeons, weddings, guild wars, fishing, trading, logging out and back in Every change must pass all of them before it goes in What's next? Finish integrating the monarch system Remaining GM commands, logs, bans and config options Multi-channel A fair speed comparison against TMP4 on the same PC An open test with real players Questions, ideas and feedback are very welcome, especially if you know TMP4's weird little behaviours! -
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The 2004 client has been recovered: 倚天II second Chinese closed beta
Thank you guys, great stuff @ Macromango @shadowofthelove- 1
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The 2004 client has been recovered: 倚天II second Chinese closed beta
I’ve been searching for these files for a very long time—this is truly an amazing discovery! I started a thread on this forum about this period (as those in the know are aware), and finally, the search for this era has begun! I’ve looked everywhere but could never find them—it’s great that you found them! I’m eagerly awaiting the files.- 1
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The 2004 client has been recovered: 倚天II second Chinese closed beta
Crazy story. Chinese cd look dope though- 1
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The 2004 client has been recovered: 倚天II second Chinese closed beta
This is better than whatever official will do with the 20 years of metin anniversary.- 2
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official Official Unpacked Updates Metin2 - No Spam
Dump 26.1.14 Alternative download links → MEGA Includes Cython module dumps. Python module metadata (built-in and script modules). Unpacked and dumped binary.- 27
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