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What is Anubis?

Anubis is a plugin/DLL manager that sits between the Half-Life Engine and an HL Game mod, allowing the mod-like DLL plugins to add functionality to the HL server or game mod. Its goal is to provide modern C++ API to interact with the engine as well as the game library.

Differences between Anubis and Metamod

• Wraps (Re)HLDS structs around C++ classes, conversion to C types happens under the hood
  • edict_t -> IEdict
  • cvar_t -> ICvar
  • ...
• Engine & Game funcs are based on the hookchains

  void someFunc(hookchain *hook, int param1, int param2)
  {
     // some pre stuff
     hook->callNext(param1, param2); // calls next hook in chain
     // some post stuff
  }

  void someFunc(hookchain *hook, int param1, int param2)
  {
     // some pre stuff
     hook->callOriginal(param1, param2); // omits next hooks and calls original game or engine func
     // some post stuff
  }

• Out-of-the-box support for game specific entities
  • Executing member functions of entities
  • Hooking the game entities' virtual functions
    • for Half-Life offsets of the entity virtual functions are used
    • for Counter-Strike and Counter-Strike:Condition Zero ReGameDLL_CS is used
    • for other games there's no support as of now, there's plan to add for Day of Defeat and Team Fortress Classic
  • Hooking non virtual member functions of entities (not ready yet)
• Exposes ReHLDS funcs
  • not all are currently exposed, more will be added later if neccessary