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chocolate-doom(6) Games Manual chocolate-doom(6) NAME chocolate-doom - historically compatible Doom engine SYNOPSIS chocolate-doom [options] DESCRIPTION Chocolate Doom is a port of Id Software's 1993 game Doom that is de- signed to behave as similarly to the original DOS version of Doom as is possible. GENERAL OPTIONS -config file Load main configuration from the specified file, instead of the default. -devparm Developer mode. F1 saves a screenshot in the current working di- rectory. -extraconfig file Load additional configuration from the specified file, instead of the default. -file file ... 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. -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 us- ing the abbreviated syntax '@file.rsp'. -savedir directory Specify a path from which to load and save games. If the direc- tory does not exist then it will automatically be created. -version Print the program version and exit. GAME START OPTIONS -episode n Start playing episode n (1-4). -fast Monsters move faster. -loadgame s Load the game in slot s. -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. -turbo x Turbo mode. The player's speed is multiplied by x%. If unspec- ified, x defaults to 200. Values are rounded up to 10 and down to 400. -warp [x y|xy] Start a game immediately, warping to ExMy (Doom 1) or MAPxy (Doom 2). 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. -nodraw Disable rendering the screen entirely. -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 -altdeath Start a deathmatch 2.0 game. Weapons do not stay in place and all items respawn after 30 seconds. -autojoin Automatically search the local LAN for a multiplayer server and join it. -avg Austin Virtual Gaming: end levels after 20 minutes. -connect address Connect to a multiplayer server running on the given address. -deathmatch Start a deathmatch game. -dedicated Start a dedicated server, routing packets but not participating in the game itself. -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. -left Run as the left screen in three screen mode. -localsearch Search the local LAN for running servers. -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. -query address Query the status of the server running on the given IP address. -right Run as the right screen in three screen mode. -search Query the Internet master server for a global list of active servers. -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 file ... Equivalent to "-af <files> -as <files>". -af file ... Simulates the behavior of NWT's -af option, merging flats into the main IWAD directory. Multiple files may be specified. -as file ... Simulates the behavior of NWT's -as option, merging sprites into the main IWAD directory. Multiple files may be specified. -deh file ... Load the given dehacked patch(es) -dehlump Load Dehacked patches from DEHACKED lumps contained in one of the loaded PWAD files. -merge file ... 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 and .deh files. -nocheats Ignore cheats in dehacked files. -nodeh Disable automatic loading of Dehacked patches for certain IWAD files. -nwtmerge file ... Simulates the behavior of NWT's -merge option. Multiple files may be specified. DEMO OPTIONS -longtics Record a high resolution "Doom 1.91" demo. -maxdemo size Specify the demo buffer size (KiB) -playdemo demo Play back the demo named demo.lmp. -record x Record a demo named x.lmp. -shorttics Play with low turning resolution to emulate demo recording. -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 -donut x y Use the specified magic values when emulating behavior caused by memory overruns from improperly constructed donuts. In Vanilla Doom this can differ depending on the operating system. The de- fault (if this option is not specified) is to emulate the behav- ior when running under Windows 98. -gameversion version Emulate a specific version of Doom. Valid values are "1.2", "1.5", "1.666", "1.7", "1.8", "1.9", "ultimate", "final", "fi- nal2", "hacx" and "chex". -pack pack Explicitly specify a Doom II "mission pack" to run as, instead of detecting it based on the filename. Valid values are: "doom2", "tnt" and "plutonia". -setmem version Specify DOS version to emulate for NULL pointer dereference emu- lation. Supported versions are: dos622, dos71, dosbox. The de- fault is to emulate DOS 7.1 (Windows 98). -spechit n Use the specified magic value when emulating spechit overruns. -statdump filename Dump statistics information to the specified file on the levels that were played. The output from this option matches the output from statdump.exe (see ctrlapi.zip in the /idgames archive). OBSCURE AND LESS-USED OPTIONS -cdrom [windows only] Save configuration data and savegames in c:\doom- data, allowing play from CD. -dumpsubstconfig file Read all MIDI files from loaded WAD files, dump an example sub- stitution 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. IWAD SEARCH PATHS To play, an IWAD file is needed. This is a large file containing all of the levels, graphics, sound effects, music and other material that make up the game. IWAD files are named according to the game; the standard names are: doom.wad, doom1.wad, doom2.wad, tnt.wad, plutonia.wad Doom, Doom II, Final Doom heretic.wad, hexen.wad, strife.wad Heretic, Hexen and Strife (commercial Doom engine games). hacx.wad, chex.wad Hacx and Chex Quest - more obscure games based on the Doom en- gine. freedm.wad, freedoom1.wad, freedoom2.wad The Freedoom open content IWAD files. The following directory paths are searched in order to find an IWAD: Current working directory Any IWAD files found in the current working directory will be used in preference to IWADs found in any other directories. DOOMWADDIR This environment variable can be set to contain a path to a sin- gle directory in which to look for IWAD files. This environment variable is supported by most Doom source ports. DOOMWADPATH This environment variable, if set, can contain a colon-separated list of directories in which to look for IWAD files, or alterna- tively full paths to specific IWAD files. $HOME/.local/share/games/doom Writeable directory in the user's home directory. The path can be overridden using the XDG_DATA_HOME environment variable (see the XDG Base Directory Specification). /usr/local/share/doom /usr/local/share/games/doom /usr/share/doom /usr/share/games/doom System-wide locations that can be accessed by all users. The path /usr/share/games/doom is a standard path that is supported by most Doom source ports. These paths can be overridden using the XDG_DATA_DIRS environment variable (see the XDG Base Direc- tory Specification). The above can be overridden on a one-time basis by using the -iwad com- mand line parameter to provide the path to an IWAD file to use.This pa- rameter can also be used to specify the name of a particular IWAD to use from one of the above paths. For example, "-iwad doom.wad" will search the above paths for the file doom.wad to use. ENVIRONMENT This section describes environment variables that control Chocolate Doom's behavior. DOOMWADDIR DOOMWADPATH See section "IWAD SEARCH PATHS" above. PCSOUND_DRIVER When running in PC speaker sound effect mode, this environment variable specifies a PC speaker driver to use for sound effect playback. Valid options are "Linux" for the Linux console mode driver, "BSD" for the NetBSD/OpenBSD PC speaker driver, and "SDL" for SDL-based emulated PC speaker playback (using the dig- ital output). OPL_DRIVER When using OPL MIDI playback, this environment variable speci- fies an OPL backend driver to use. Valid options are "SDL" for an SDL-based software emulated OPL chip, "Linux" for the Linux hardware OPL driver, and "OpenBSD" for the OpenBSD/NetBSD hard- ware OPL driver. Generally speaking, a real hardware OPL chip sounds better than software emulation; however, modern machines do not often in- clude one. If present, it may still require extra work to set up and elevated security privileges to access. FILES $HOME/.local/share/chocolate-doom/default.cfg The main configuration file for Chocolate Doom. See de- fault.cfg(5). $HOME/.local/share/chocolate-doom/chocolate-doom.cfg Extra configuration values that are specific to Chocolate Doom and not present in Vanilla Doom. See chocolate-doom.cfg(5). SEE ALSO chocolate-server(6), chocolate-setup(6), chocolate-heretic(6), choco- late-hexen(6), chocolate-strife(6) AUTHOR Chocolate Doom is written and maintained by Simon Howard. It is based on the LinuxDoom source code, released by Id Software. COPYRIGHT Copyright (C) id Software Inc. Copyright (C) 2005-2016 Simon Howard. This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/li- censes/gpl.html>. There is NO WARRANTY, to the extent permitted by law. Chocolate Doom 3.1.1 2018-01-09 chocolate-doom(6)
NAME | SYNOPSIS | DESCRIPTION | GENERAL OPTIONS | GAME START OPTIONS | DISPLAY OPTIONS | NETWORKING OPTIONS | DEHACKED AND WAD MERGING | DEMO OPTIONS | COMPATIBILITY | OBSCURE AND LESS-USED OPTIONS | IWAD SEARCH PATHS | ENVIRONMENT | FILES | SEE ALSO | AUTHOR | COPYRIGHT
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