49 lines
2.1 KiB
Groff
49 lines
2.1 KiB
Groff
To play, an IWAD file is needed. This is a large file containing all of the
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levels, graphics, sound effects, music and other material that make up the
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game. IWAD files are named according to the game; the standard names are:
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.TP
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\fBdoom.wad, doom1.wad, doom2.wad, tnt.wad, plutonia.wad\fR
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Doom, Doom II, Final Doom
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.TP
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\fBheretic.wad, heretic1.wad, hexen.wad, strife1.wad\fR
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Heretic, Hexen and Strife (commercial Doom engine games).
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.TP
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\fBhacx.wad, chex.wad\fR
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Hacx and Chex Quest - more obscure games based on the Doom engine.
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.TP
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\fBfreedm.wad, freedoom1.wad, freedoom2.wad\fR
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The Freedoom open content IWAD files.
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.LP
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The following directory paths are searched in order to find an IWAD:
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.TP
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\fBCurrent working directory\fR
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Any IWAD files found in the current working directory will be used in
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preference to IWADs found in any other directories.
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.TP
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\fBDOOMWADDIR\fR
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This environment variable can be set to contain a path to a single directory
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in which to look for IWAD files. This environment variable is supported by
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most Doom source ports.
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.TP
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\fBDOOMWADPATH\fR
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This environment variable, if set, can contain a colon-separated list of
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directories in which to look for IWAD files, or alternatively full paths to
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specific IWAD files.
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.TP
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\fB$HOME/.local/share/games/doom\fR
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Writeable directory in the user's home directory. The path can be overridden
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using the \fBXDG_DATA_HOME\fR environment variable (see the XDG Base Directory
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Specification).
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.TP
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\fB/usr/local/share/games/doom, /usr/share/games/doom\fR
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System-wide locations that can be accessed by all users. The path
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\fB/usr/share/games/doom\fR is a standard path that is supported by most
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Doom source ports. These paths can be overridden using the \fBXDG_DATA_DIRS\fR
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environment variable (see the XDG Base Directory Specification).
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.LP
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The above can be overridden on a one-time basis by using the \fB\-iwad\fR
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command line parameter to provide the path to an IWAD file to use. This
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parameter can also be used to specify the name of a particular IWAD to use
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from one of the above paths. For example, '\fB-iwad doom.wad\fR' will search
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the above paths for the file \fBdoom.wad\fR to use.
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