== Command line parameters ==

This is a full list of the supported command line parameters. A number of
additional parameters are supported in addition to those present in the DOS
version.

=== General options ===

  -config <file>        Load main configuration from the specified file,
                        instead of the default.

  -extraconfig <file>   Load additional configuration from the specified file,
                        instead of the default.

  -file <files>         Load the specified PWAD files. Each succeeding
                        argument is treated as a PWAD file name until one
                        starts with a dash or the argument list is exhausted.

  -iwad <file>          Specify an IWAD file to use.

  -nomusic              Disable music.

  -nomusicpacks         Disable substitution music packs.

  -nosfx                Disable sound effects.

  -nosound              Disable all sound output.

  -ravpic               Take screenshots when F1 is pressed.

  -response <file>      Load extra command-line arguments from the given
                        response file. Arguments read from the file are
                        inserted into the command line, replacing this
                        argument. A response file can also be loaded using the
                        abbreviated syntax '@file.rsp'.

  -savedir <directory>  Specify a path from which to load and save games. If
                        the directory does not exist then it will
                        automatically be created.

  -version              Print the program version and exit.

=== Game start options ===

  -autohealth     Automatic use of Quartz flasks and Mystic urns.

  -fast           Fast monsters. This option is not allowed when recording a
                  demo, playing back a demo or when starting a network game.

  -loadgame <s>   Load the game in savegame slot s.

  -moremana       Mana pickups give 50% more mana. This option is not allowed
                  when recording a demo, playing back a demo or when starting
                  a network game.

  -nomonsters     Disable monsters.

  -respawn        Monsters respawn after being killed.

  -skill <skill>  Set the game skill, 1-5 (1: easiest, 5: hardest). A skill of
                  0 disables all monsters.

  -warp x         Start a game immediately, warping to MAPx.

=== Display options ===

  -1               Don't scale up the screen. Implies -window.

  -2               Double up the screen to 2x its normal size. Implies
                   -window.

  -3               Double up the screen to 3x its normal size. Implies
                   -window.

  -display <x>     Specify the display number on which to show the screen.

  -fullscreen      Run in fullscreen mode.

  -geometry <WxH>  Specify the dimensions of the window. Implies -window.

  -height <H>      Specify the screen height, in pixels. Implies -window.

  -noblit          Disable blitting the screen.

  -nograbmouse     Don't grab the mouse when running in windowed mode.

  -nomouse         Disable the mouse.

  -width <W>       Specify the screen width, in pixels. Implies -window.

  -window          Run in a window.

=== Networking options ===

  -autojoin           Automatically search the local LAN for a multiplayer
                      server and join it.

  -class <n>          Specify player class: 0=fighter, 1=cleric, 2=mage,
                      3=pig.

  -connect <address>  Connect to a multiplayer server running on the given
                      address.

  -deathmatch         Start a deathmatch game.

  -dup <n>            Reduce the resolution of the game by a factor of n,
                      reducing the amount of network bandwidth needed.

  -extratics <n>      Send n extra tics in every packet as insurance against
                      dropped packets.

  -nodes <n>          Autostart the netgame when n nodes (clients) have joined
                      the server.

  -oldsync            Use original network client sync code rather than the
                      improved sync code.

  -port <n>           Use the specified UDP port for communications, instead
                      of the default (2342).

  -privateserver      When running a server, don't register with the global
                      master server. Implies -server.

  -randclass          In deathmatch mode, change a player's class each time
                      the player respawns.

  -server             Start a multiplayer server, listening for connections.

  -servername <name>  When starting a network server, specify a name for the
                      server.

  -solo-net           Start the game playing as though in a netgame with a
                      single player. This can also be used to play back single
                      player netgame demos.

  -timer <n>          For multiplayer games: exit each level after n minutes.

=== Dehacked and WAD merging ===

  -aa <files>        Equivalent to "-af <files> -as <files>".

  -af <files>        Simulates the behavior of NWT's -af option, merging flats
                     into the main IWAD directory. Multiple files may be
                     specified.

  -as <files>        Simulates the behavior of NWT's -as option, merging
                     sprites into the main IWAD directory. Multiple files may
                     be specified.

  -deh <files>       Load the given dehacked patch(es)

  -merge <files>     Simulates the behavior of deutex's -merge option, merging
                     a PWAD into the main IWAD. Multiple files may be
                     specified.

  -noautoload        Disable auto-loading of .wad files.

  -nocheats          Ignore cheats in dehacked files.

  -nwtmerge <files>  Simulates the behavior of NWT's -merge option. Multiple
                     files may be specified.

=== Demo options ===

  -longtics                           Record or playback a demo with high
                                      resolution turning.

  -maxdemo <size>                     Specify the demo buffer size (KiB)

  -nodemoextend                       Record or playback a demo, automatically
                                      quitting after either level exit or
                                      player respawn.

  -noshortticfix                      Don't smooth out low resolution turning
                                      when recording a demo.

  -playdemo <demo>                    Play back the demo named demo.lmp.

  -record <x>                         Record a demo named x.lmp.

  -recordfrom <save-num> <demo-name>  Load a game from the given savegame slot
                                      and record a demo from it. Equivalent to
                                      -loadgame <save-num> -record
                                      <demo-name>.

  -strictdemos                        When recording or playing back demos,
                                      disable any extensions of the vanilla
                                      demo format - record demos as vanilla
                                      would do, and play back demos as vanilla
                                      would do.

  -timedemo <demo>                    Play back the demo named demo.lmp,
                                      determining the framerate of the screen.

=== Compatibility ===

  -gameversion <version>  Emulate a specific version of Hexen. Valid values
                          are "1.1" and "1.1r2".

  -setmem <version>       Specify DOS version to emulate for NULL pointer
                          dereference emulation. Supported versions are:
                          dos622, dos71, dosbox. The default is to emulate DOS
                          7.1 (Windows 98).

  -v10override            If provided, the check for the v1.0 IWAD file is
                          disabled, even though it will almost certainly cause
                          the game to crash.

=== Obscure and less-used options ===

  -artiskip                Don't allow artifacts to be used when the run key
                           is held down.

  -cdrom                   Save configuration data and savegames in
                           c:\hexndata, allowing play from CD. (windows only)

  -dumpsubstconfig <file>  Read all MIDI files from loaded WAD files, dump an
                           example substitution music config file to the
                           specified file, and quit.

  -mb <mb>                 Specify the heap size, in MiB.

  -mmap                    Use the OS's virtual memory subsystem to map WAD
                           files directly into memory.

  -nogui                   If specified, don't show a GUI window for error
                           messages when the game exits with an error.

  -scripts <path>          Development option to specify path to level
                           scripts.

