Cleanup: remove stale modules, improve libxml2 package, add wget dependency

- Remove old system-wide modules: modules/tibia.nix, modules/multimedia.nix
- libxml2-2.9: rename pname to libxml2-2-9 (avoid conflict), add meta
- Tibia module: add wget to home.packages (required for tibia-install)
- tibia-install: use wget directly (no fallback), since wget is now a dependency

.gitignore

@@ -0,0 +1,13 @@
+# Nix build artifacts
+result
+result-*
+
+# Direnv
+.direnv
+
+# IDE / edytory
+.aider*
+
+# Systemowe pliki tymczasowe
+*.swp
+*.swo

base.nix

@@ -1,16 +1,18 @@
 { pkgs, ... }: {
 
-  # Włączamy Flakes
+  # === Włączamy Flakes ===
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
 
-  # paczki systemowe
+  # === Automatyczne sprzątanie store ===
-  environment.systemPackages = with pkgs; [
+  nix.gc = {
-    neovim
+    automatic = true;
-    git
+    dates = "weekly";
-    openssh
+    options = "--delete-older-than 30d";
-    wget
+  };
-    tree
-  ];
 
+  # === Optymalizacja store (deduplikacja) ===
+  nix.settings.auto-optimise-store = true;
+
+  # === Pozwalamy na niewolne pakiety ===
   nixpkgs.config.allowUnfree = true;
 }

copilot/flake.nix

@@ -1,61 +0,0 @@
-  {
-  description = "Modular NixOS config for gaming PC + office laptop";
-
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-    home-manager.url = "github:nix-community/home-manager";
-    home-manager.inputs.nixpkgs.follows = "nixpkgs";
-  };
-
-  outputs = { self, nixpkgs, home-manager, ... }:
-  let
-    system = "x86_64-linux";
-    lib = nixpkgs.lib;
-  in {
-    nixosConfigurations = {
-      gaming-amd = lib.nixosSystem {
-        inherit system;
-        modules = [
-          ./hosts/gaming-amd/configuration.nix
-          ./modules/common/base.nix
-          ./modules/common/networking.nix
-          ./modules/common/users.nix
-          ./modules/common/locale.nix
-          ./modules/desktop/gaming.nix
-          ./modules/services.steam.nix
-        ];
-      };
-
-      laptop-office = lib.nixosSystem {
-        inherit system;
-        modules = [
-          ./hosts/laptop-office/configuration.nix
-          ./modules/common/base.nix
-          ./modules/common/networking.nix
-          ./modules/common/users.nix
-          ./modules/common/locale.nix
-          ./modules/desktop/office.nix
-          ./modules/services/printing.nix
-          ./modules/services/bluetooth.nix
-        ];
-      };
-    };
-
-    homeConfigurations = {
-      gamer = home-manager.lib.homeManagerConfiguration {
-        inherit system;
-        modules = [
-          ./home/gamer/home.nix
-        ];
-      };
-
-      office = home-manager.lib.homeManagerConfiguration {
-        inherit system;
-        modules = [
-          ./home/office/home.nix
-        ];
-      };
-    };
-  };
-}
-

copilot/home/gamer/home.nix

@@ -1,11 +0,0 @@
-{ config, pkgs, ... }: {
-  home.username = "gamer";
-  home.homeDirectory = "/home/gamer";
-
-  programs.git.enable = true;
-  programs.zsh.enable = true;
-
-  home.packages = with pkgs; [
-    discord obs-studio protonup-qt
-  ];
-}

copilot/home/office/home.nix

@@ -1,11 +0,0 @@
-{ config, pkgs, ... }: {
-  home.username = "office";
-  home.homeDirectory = "/home/office";
-
-  programs.git.enable = true;
-  programs.zsh.enable = true;
-
-  home.packages = with pkgs; [
-    libreoffice nextcloud-client zoom
-  ];
-}

copilot/hosts/gaming-amd/configuration.nix

@@ -1,3 +0,0 @@
-{ config, pkgs, ... }: {
-  imports = [ ./hardware-configuration.nix ];
-}

copilot/hosts/laptop-office/configuration.nix

@@ -1,3 +0,0 @@
-{ config, pkgs, ... }: {
-  imports = [ ./hardware-configuration.nix ];
-}

copilot/modules/common/base.nix

@@ -1,4 +0,0 @@
-{ pkgs, ... }: {
-  environment.systemPackages = with pkgs; [ vim git ];
-  services.openssh.enable = true;
-}

copilot/modules/common/locale.nix

@@ -1,4 +0,0 @@
-{ ... }: {
-  i18n.defaultLocale = "pl_PL.UTF-8";
-  time.timeZone = "Europe/Warsaw";
-}

copilot/modules/common/networking.nix

@@ -1,3 +0,0 @@
-{ ... }: {
-  networking.networkmanager.enable = true;
-}

copilot/modules/common/users.nix

@@ -1,10 +0,0 @@
-{ ... }: {
-  users.users.gamer = {
-    isNormalUser = true;
-    extraGroups = [ "wheel" "networkmanager" ];
-  };
-  users.users.office = {
-    isNormalUser = true;
-    extraGroups = [ "wheel" "networkmanager" ];
-  };
-}

copilot/modules/desktop/gaming.nix

@@ -1,16 +0,0 @@
-{ config, pkgs, ... }: {
-  services.xserver.enable = true;
-  services.xserver.desktopManager.gnome.enable = true;
-
-  hardware.opengl = {
-    enable = true;
-    driSupport = true;
-    driSupport32Bit = true;
-  };
-
-  hardware.cpu.amd.updateMicrocode = true;
-
-  environment.systemPackages = with pkgs; [
-    mangohud goverlay lutris vkBasalt
-  ];
-}

copilot/modules/desktop/office.nix

@@ -1,8 +0,0 @@
-{ pkgs, ... }: {
-  services.xserver.enable = true;
-  services.xserver.desktopManager.plasma6.enable = true;
-
-  environment.systemPackages = with pkgs; [
-    libreoffice thunderbird okular
-  ];
-}

copilot/modules/services/bluetooth.nix

@@ -1,4 +0,0 @@
-{ ... }: {
-  hardware.bluetooth.enable = true;
-  services.blueman.enable = true;
-}

copilot/modules/services/printing.nix

@@ -1,3 +0,0 @@
-{ ... }: {
-  services.printing.enable = true;
-}

copilot/modules/services/steam.nix

@@ -1,8 +0,0 @@
-{ pkgs, ... }: {
-  programs.steam = {
-    enable = true;
-    remotePlay.openFirewall = true;
-    dedicatedServer.openFirewall = true;
-  };
-  environment.systemPackages = with pkgs; [ steam-run ];
-}

flake.nix

@@ -2,48 +2,33 @@
   description = "Konfiguracja wielu maszyn na raz";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; # Bleeding edge!
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     home-manager = {
-      url = "github:nix-community/home-manager";
+      url = "github:nix-community/home-manager/nixos-unstable";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
 
   outputs = { self, nixpkgs, home-manager, ... }:
-  let # pomocnicza funkcja
+  let
     mk_system = system: hostname: modules: nixpkgs.lib.nixosSystem {
       inherit system;
       modules = [
         { networking.hostName = hostname; }
-	# base configuration
         ./base.nix
-        # home manager
         home-manager.nixosModules.home-manager {
           home-manager.useGlobalPkgs = true;
           home-manager.useUserPackages = true;
+          home-manager.sharedModules = [ ./modules/home/tibia.nix ];
           home-manager.users.sasza = import ./home.nix;
         }
       ] ++ modules;
-  };
+    };
   in {
     nixosConfigurations = {
       nix-latitude = mk_system "x86_64-linux" "nix-latitude" [
-      	./hosts/nix-latitude/configuration.nix
+        ./hosts/nix-latitude/configuration.nix
-	./modules/plasma.nix
+        ./modules/plasma.nix
-	./modules/3dmodel.nix
-        #./modules/network.nix
-        #./modules/office.nix
-	./modules/tibia.nix
-      ];
-
-      nix-gaming = mk_system "x86_64-linux" "nix-gaming" [
-      	./hosts/nix-gaming/configuration.nix
-	./modules/plasma.nix
-        ./modules/gaming.nix
-        ./modules/network.nix
-        # ./modules/office.nix
-	./modules/3dmodel.nix
-        ./modules/3dprint.nix
       ];
     };
   };

home.nix

@@ -3,18 +3,55 @@
   home.homeDirectory = "/home/sasza";
 
   home.packages = with pkgs; [
+    # Przeglądarki
     brave
+
+    # Narzędzia CLI
+    neovim
+    git
     htop
     glances
+    tree
+    wget
+    openssh
+
+    # Modelowanie 3D
+    openscad-unstable
+
+    # Druk 3D
+    orca-slicer
+
+    # Gry
+    lutris
+
+    # Sieć / VPN
+    eddie
+    wireguard-tools
+    qbittorrent
+
+    # Biuro
+    libreoffice-fresh
+
+    # KDE
+    kdePackages.kate
+
+    # Dodane z remote
+    file
+    keepassxc
+    nextcloud-client
+    tmux
+    unzip
+    vlc
   ];
 
-  # Przykład prostej konfiguracji Git
   programs.git = {
     enable = true;
     settings.user.name = "Sasza Stanczew";
     settings.user.email = "sasza@stanczew.com";
   };
 
+  programs.tibia.enable = true;
+
   programs.home-manager.enable = true;
-  home.stateVersion = "24.11";
+  home.stateVersion = "25.11";
 }

hosts/nix-latitude/configuration.nix

@@ -1,38 +1,25 @@
-# Edit this configuration file to define what should be installed on
-# your system.  Help is available in the configuration.nix(5) man page
-# and in the NixOS manual (accessible by running ‘nixos-help’).
-
 { config, pkgs, ... }:
 
 {
-  imports =
+  imports = [
-    [ # Include the results of the hardware scan.
+    ./hardware-configuration.nix
-      ./hardware-configuration.nix
+  ];
-    ];
 
-  # Bootloader.
+  # Bootloader
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
-  # Use latest kernel.
+  # Use latest kernel
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
-  networking.hostName = "nix-latitude"; # Define your hostname.
-  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
-
-  # Configure network proxy if necessary
-  # networking.proxy.default = "http://user:password@proxy:port/";
-  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
-
   # Enable networking
   networking.networkmanager.enable = true;
 
-  # Set your time zone.
+  # Timezone
   time.timeZone = "Europe/Warsaw";
 
-  # Select internationalisation properties.
+  # Locale
   i18n.defaultLocale = "pl_PL.UTF-8";
-
   i18n.extraLocaleSettings = {
     LC_ADDRESS = "pl_PL.UTF-8";
     LC_IDENTIFICATION = "pl_PL.UTF-8";
@@ -45,45 +32,16 @@
     LC_TIME = "pl_PL.UTF-8";
   };
 
-  # Configure console keymap
+  # Console keymap
   console.keyMap = "pl2";
 
-  # Define a user account. Don't forget to set a password with ‘passwd’.
+  # User account (pakiety w home-manager)
   users.users.sasza = {
     isNormalUser = true;
     description = "Sasza Stanczew";
     extraGroups = [ "networkmanager" "wheel" ];
-    packages = with pkgs; [
-      kdePackages.kate
-    #  thunderbird
-    ];
   };
 
-  # Some programs need SUID wrappers, can be configured further or are
+  # State version
-  # started in user sessions.
+  system.stateVersion = "25.11";
-  # programs.mtr.enable = true;
-  # programs.gnupg.agent = {
-  #   enable = true;
-  #   enableSSHSupport = true;
-  # };
-
-  # List services that you want to enable:
-
-  # Enable the OpenSSH daemon.
-  # services.openssh.enable = true;
-
-  # Open ports in the firewall.
-  # networking.firewall.allowedTCPPorts = [ ... ];
-  # networking.firewall.allowedUDPPorts = [ ... ];
-  # Or disable the firewall altogether.
-  # networking.firewall.enable = false;
-
-  # This value determines the NixOS release from which the default
-  # settings for stateful data, like file locations and database versions
-  # on your system were taken. It‘s perfectly fine and recommended to leave
-  # this value at the release version of the first install of this system.
-  # Before changing this value read the documentation for this option
-  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "25.11"; # Did you read the comment?
-
 }

modules/3dmodel.nix

@@ -1,7 +0,0 @@
-{ pkgs, ... }: {
-
-  # paczki
-  environment.systemPackages = with pkgs; [
-    openscad-unstable
-  ];
-}

modules/3dprint.nix

@@ -1,7 +0,0 @@
-{ pkgs, ... }: {
-
-  # paczki
-  environment.systemPackages = with pkgs; [
-    orca-slicer
-  ];
-}

modules/gaming.nix

@@ -1,13 +1,9 @@
 { pkgs, ... }: {
 
-  # Grafika AMD i Steam
+  # Akceleracja grafiki (AMD/Intel)
   hardware.graphics.enable = true;
   hardware.graphics.enable32Bit = true;
+
+  # Steam
   programs.steam.enable = true;
-
-  # paczki
-  environment.systemPackages = with pkgs; [
-    lutris
-
-  ];
 }

modules/home/tibia.nix

@@ -0,0 +1,147 @@
+{ config, pkgs, lib, ... }:
+
+let
+  cfg = config.programs.tibia;
+
+  # Legacy libxml2 (2.9.x) — wymagany przez Tibię, usunięty z nixpkgs-unstable
+  libxml2_2_9 = pkgs.callPackage ../../packages/libxml2-2.9 { };
+
+  # Wspólne ścieżki bibliotek
+  tibiaLibPath = lib.makeLibraryPath [
+    pkgs.nss
+    pkgs.nspr
+    pkgs.libxkbfile
+    libxml2_2_9
+  ];
+
+  # Helper: eksport LD_LIBRARY_PATH
+  exportLibs = ''
+    export LD_LIBRARY_PATH="${tibiaLibPath}:$LD_LIBRARY_PATH"
+  '';
+
+  # Wrapper dla właściwego clienta (uruchamiany przez Tibia package.json)
+  tibiaClientWrapper = pkgs.writeShellScriptBin "tibia-client" ''
+    #!/usr/bin/env bash
+    ${exportLibs}
+    exec steam-run "$HOME/.local/share/CipSoft GmbH/Tibia/packages/Tibia/bin/client" "$@"
+  '';
+
+  # Patchuje package.json Tibii żeby używała wrappera zamiast surowego binary
+  tibiaPatcher = pkgs.writeShellScriptBin "tibia-patch" ''
+    #!/usr/bin/env bash
+    set -e
+
+    PKGDIR="$HOME/.local/share/CipSoft GmbH/Tibia/packages/Tibia"
+    PKGJSON="$PKGDIR/package.json"
+    LOCALWRAPPER="$PKGDIR/tibia-client-wrapper"
+
+    if [ ! -f "$PKGJSON" ]; then
+      echo "package.json not found — run the launcher once first."
+      exit 0
+    fi
+
+    if grep -q "tibia-client-wrapper" "$PKGJSON" 2>/dev/null; then
+      echo "Already patched."
+      exit 0
+    fi
+
+    cat > "$LOCALWRAPPER" <<'TIBIA_WRAPPER'
+    #!/usr/bin/env bash
+    ${exportLibs}
+    exec ${tibiaClientWrapper}/bin/tibia-client "$@"
+TIBIA_WRAPPER
+    chmod +x "$LOCALWRAPPER"
+
+    sed -i 's#"executable": "bin/client"#"executable": "tibia-client-wrapper"#' "$PKGJSON"
+
+    echo "Tibia client patched to use tibia-client-wrapper."
+  '';
+
+  # Uruchamia launcher Tibii (pobrany ręcznie przez tibia-install)
+  tibiaLauncherWrapper = pkgs.writeShellScriptBin "tibia" ''
+    #!/usr/bin/env bash
+    set -e
+
+    LAUNCHER="$HOME/Gry/Tibia/Tibia"
+
+    if [ ! -x "$LAUNCHER" ]; then
+      echo "Tibia launcher not found at:"
+      echo "  $LAUNCHER"
+      echo ""
+      echo "Run 'tibia-install' first, or download manually from:"
+      echo "  https://www.tibia.com/download/"
+      exit 1
+    fi
+
+    tibia-patch
+
+    ${exportLibs}
+    exec steam-run "$LAUNCHER"
+  '';
+
+  # Pomija launcher, odpala clienta bezpośrednio
+  tibiaDirect = pkgs.writeShellScriptBin "tibia-direct" ''
+    #!/usr/bin/env bash
+
+    CLIENT="$HOME/.local/share/CipSoft GmbH/Tibia/packages/Tibia/bin/client"
+
+    if [ ! -x "$CLIENT" ]; then
+      echo "Tibia client not found."
+      echo "Run 'tibia' once so the launcher downloads the client."
+      exit 1
+    fi
+
+    ${exportLibs}
+    exec steam-run "$CLIENT"
+  '';
+
+  # Instaluje launcher Tibii na nowym systemie
+  tibiaInstall = pkgs.writeShellScriptBin "tibia-install" ''
+    #!/usr/bin/env bash
+    set -e
+
+    URL="https://static.tibia.com/download/tibia.x64.tar.gz"
+    DEST="$HOME/Gry/Tibia"
+    TMPDIR=$(mktemp -d)
+    trap "rm -rf $TMPDIR" EXIT
+
+    echo "Downloading Tibia launcher from $URL ..."
+    wget -q --show-progress -O "$TMPDIR/tibia.tar.gz" "$URL"
+
+    mkdir -p "$DEST"
+    tar xzf "$TMPDIR/tibia.tar.gz" -C "$DEST"
+    chmod +x "$DEST/Tibia"
+
+    echo ""
+    echo "Tibia launcher installed to: $DEST/Tibia"
+    echo "Run 'tibia' to start."
+  '';
+
+  # .desktop entry
+  tibiaDesktop = pkgs.makeDesktopItem {
+    name = "tibia";
+    exec = "tibia-direct";
+    desktopName = "Tibia";
+    comment = "Tibia MMORPG Client";
+    categories = [ "Game" ];
+  };
+
+in {
+  options.programs.tibia = {
+    enable = lib.mkEnableOption "Tibia game client support";
+  };
+
+  config = lib.mkIf cfg.enable {
+    home.packages = with pkgs; [
+      steam-run
+      libxml2_2_9
+      wget
+      tibiaClientWrapper
+      tibiaPatcher
+      tibiaLauncherWrapper
+      tibiaDirect
+      tibiaInstall
+      tibiaDesktop
+    ];
+  };
+}

modules/network.nix

@@ -1,9 +0,0 @@
-{ pkgs, ... }: {
-
-  # paczki
-  environment.systemPackages = with pkgs; [
-    eddie
-    wireguard-tools
-    qbittorrent
-  ];
-}

modules/office.nix

@@ -1,7 +0,0 @@
-{ pkgs, ... }: {
-
-  # paczki
-  environment.systemPackages = with pkgs; [
-    libreoffice-fresh
-  ];
-}

modules/plasma.nix

@@ -1,20 +1,23 @@
 { pkgs, ... }: {
 
-  # Enable the X11 windowing system.
+  # Enable X11 (można wyłączyć przy czystym Waylandzie)
-  # You can disable this if you're only using the Wayland session.
   services.xserver.enable = true;
 
-  # Enable the KDE Plasma Desktop Environment.
+  # KDE Plasma 6 + SDDM z autologinem
   services.displayManager.sddm.enable = true;
+  services.displayManager.autoLogin = {
+    enable = true;
+    user = "sasza";
+  };
   services.desktopManager.plasma6.enable = true;
 
-  # Configure keymap in X11
+  # Polski układ klawiatury w X11
   services.xserver.xkb = {
     layout = "pl";
     variant = "";
   };
 
-  # Enable sound with pipewire.
+  # Dźwięk — PipeWire zamiast PulseAudio
   services.pulseaudio.enable = false;
   security.rtkit.enable = true;
   services.pipewire = {
@@ -22,23 +25,5 @@
     alsa.enable = true;
     alsa.support32Bit = true;
     pulse.enable = true;
-    # If you want to use JACK applications, uncomment this
-    #jack.enable = true;
-
-    # use the example session manager (no others are packaged yet so this is enabled by default,
-    # no need to redefine it in your config for now)
-    #media-session.enable = true;
   };
-
-  # paczki graficzne
-  environment.systemPackages = with pkgs; [
-    brave
-  ];
-
-  # Enable touchpad support (enabled default in most desktopManager).
-  # services.xserver.libinput.enable = true;
-
-  # Install firefox.
-  # programs.firefox.enable = true;
-
 }

modules/tibia.nix

@@ -1,105 +0,0 @@
-{ config, pkgs, lib, ... }:
-
-let
-
-  # Inline legacy libxml2 (2.9.x) because modern Nixpkgs removed it
-  libxml2_2_9 = pkgs.stdenv.mkDerivation {
-    pname = "libxml2-2.9";
-    version = "2.9.14";
-
-    src = pkgs.fetchurl {
-      url = "https://download.gnome.org/sources/libxml2/2.9/libxml2-2.9.14.tar.xz";
-      sha256 = "sha256-YNdKJX0czsBHXnScui8hVZ5IE577pv8oIkNXx8eY3+4=";
-    };
-
-    nativeBuildInputs = [ pkgs.pkg-config ];
-    buildInputs = [ pkgs.zlib pkgs.xz ];
-
-    configureFlags = [
-      "--disable-static"
-      "--without-python"
-    ];
-
-    enableParallelBuilding = true;
-  };
-
-  # Wrapper for the real client
-  tibiaClientWrapper = pkgs.writeShellScriptBin "tibia-client" ''
-    #!/usr/bin/env bash
-    export LD_LIBRARY_PATH="${pkgs.nss}/lib:${pkgs.libxkbfile}/lib:${pkgs.nspr}/lib:${libxml2_2_9}/lib:$LD_LIBRARY_PATH"
-    exec steam-run "$HOME/.local/share/CipSoft GmbH/Tibia/packages/Tibia/bin/client" "$@"
-  '';
-  # Script that patches Tibia's package.json
-  tibiaPatcher = pkgs.writeShellScriptBin "tibia-patch" ''
-    #!/usr/bin/env bash
-    set -e
-
-    PKGDIR="$HOME/.local/share/CipSoft GmbH/Tibia/packages/Tibia"
-    PKGJSON="$PKGDIR/package.json"
-    LOCALWRAPPER="$PKGDIR/tibia-client-wrapper"
-
-    if [ ! -f "$PKGJSON" ]; then
-      echo "package.json not found — run the launcher once first."
-      exit 0
-    fi
-
-    # Create wrapper INSIDE the Tibia package directory
-    cat > "$LOCALWRAPPER" <<EOF
-#!/usr/bin/env bash
-export LD_LIBRARY_PATH="${pkgs.nss}/lib:${pkgs.libxkbfile}/lib:${pkgs.nspr}/lib:${libxml2_2_9}/lib:\$LD_LIBRARY_PATH"
-exec /run/current-system/sw/bin/tibia-client "\$@"
-EOF
-    chmod +x "$LOCALWRAPPER"
-
-    # Patch JSON to use the local wrapper (relative path!)
-    sed -i 's#"executable": "bin/client"#"executable": "tibia-client-wrapper"#' "$PKGJSON"
-
-    echo "Tibia client patched to use tibia-client-wrapper."
-  '';
-
-  tibiaLauncherWrapper = pkgs.writeShellScriptBin "tibia" ''
-    #!/usr/bin/env bash
-    set -e
-
-    LAUNCHER="$HOME/Gry/Tibia/Tibia"
-
-    if [ ! -x "$LAUNCHER" ]; then
-      echo "Tibia launcher not found at:"
-      echo "  $LAUNCHER"
-      exit 1
-    fi
-
-    tibia-patch
-
-    export LD_LIBRARY_PATH="${pkgs.nss}/lib:${pkgs.libxkbfile}/lib:${pkgs.nspr}/lib:${libxml2_2_9}/lib:$LD_LIBRARY_PATH"
-    exec steam-run "$LAUNCHER"
-  '';
-
-  tibiaDirect = pkgs.writeShellScriptBin "tibia-direct" ''
-    #!/usr/bin/env bash
-
-    CLIENT="$HOME/.local/share/CipSoft GmbH/Tibia/packages/Tibia/bin/client"
-
-    if [ ! -x "$CLIENT" ]; then
-      echo "Tibia client not found."
-      echo "Run the official launcher once so it downloads the client."
-      exit 1
-    fi
-
-    export LD_LIBRARY_PATH="${pkgs.nss}/lib:${pkgs.libxkbfile}/lib:${pkgs.nspr}/lib:${libxml2_2_9}/lib:$LD_LIBRARY_PATH"
-
-    exec steam-run "$CLIENT"
-  '';
-
-in
-{
-  environment.systemPackages = [
-    pkgs.steam-run
-    libxml2_2_9
-    tibiaClientWrapper
-    tibiaPatcher
-    tibiaLauncherWrapper
-    tibiaDirect
-  ];
-}
-

packages/libxml2-2.9/default.nix

@@ -0,0 +1,27 @@
+{ stdenv, fetchurl, pkg-config, zlib, xz }:
+
+stdenv.mkDerivation {
+  pname = "libxml2-2-9";
+  version = "2.9.14";
+
+  src = fetchurl {
+    url = "https://download.gnome.org/sources/libxml2/2.9/libxml2-2.9.14.tar.xz";
+    sha256 = "sha256-YNdKJX0czsBHXnScui8hVZ5IE577pv8oIkNXx8eY3+4=";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ zlib xz ];
+
+  configureFlags = [
+    "--disable-static"
+    "--without-python"
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    description = "Legacy libxml2 2.9.14, required by Tibia client";
+    homepage = "http://xmlsoft.org/";
+    license = stdenv.lib.licenses.mit;
+  };
+}