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Chocolate Doom installation
===========================
These are instructions for how to install and set up Chocolate Doom
for play.
#ifn PRECOMPILED
Building Chocolate Doom
-----------------------
Before you can play Chocolate Doom, you need to compile a binary that
you can run. For compilation, Chocolate Doom requires the following
to be installed:
* A C compiler (gcc is recommended)
* make (GNU make is recommended)
* LibSDL (see http://www.libsdl.org/)
* SDL_mixer (see http://www.libsdl.org/projects/SDL_mixer/)
* SDL_net (see http://www.libsdl.org/projects/SDL_net/)
* Python (optional)
Follow the standard instructions for installing an autotools-based
package:
1. Run './configure' to initialize the package.
2. Run 'make' to compile the package.
3. Run 'make install' to install the package.
An automated build script is available that installs the necessary
dependencies and builds the source code automatically. See the build
instructions on the website.
Advanced topics such as cross-compilation are beyond the scope of this
document. Please see the GNU autoconf / automake documentation for more
information.
#endif
Obtaining an IWAD file
----------------------
To play Doom, you need an IWAD file. This file contains the game data
that is used in gameplay (graphics, sounds, etc). The full versions of
the Doom games are proprietary and need to be bought. The IWAD file
has one of the following names:
doom1.wad (Shareware Doom)
doom.wad (Registered / Ultimate Doom)
doom2.wad (Doom 2)
tnt.wad (Final Doom: TNT: Evilution)
plutonia.wad (Final Doom: Plutonia Experiment)
chex.wad (Chex Quest)
If you don't have a copy of the commercial version, you can download
the shareware version (extract the file named doom1.wad):
* http://www.doomworld.com/idgames/index.php?id=7053
(idstuff/doom/win95/doom95.zip in your nearest /idgames mirror)
If you have a commercial version, obtaining the IWAD file may be slightly
complicated. The method depends on how you obtained your copy of the
game:
#if _WIN32
* The Doom games are available to buy for download on Steam
(http://www.steampowered.com/). Chocolate Doom will autodetect
IWADs installed by Steam and you do not need to do anything.
#else
* The Doom games are available to buy for download on Steam
(http://www.steampowered.com/). To find the IWAD files on a
Windows system, look in the Steam directory (usually within
"Program Files"), under the "steamapps/common" path.
#endif
* There have been several CD-based versions of Doom. Generally, the
IWAD files can be found on the CD and copied off directly.
#if _WIN32
* If the IWAD files are not directly available on the CD, or you have
a floppy disk version, you will need to run the install program to
install the game to your hard disk. As the installer is DOS-based,
you may not be able to do this on 64-bit versions of Windows. In
this case, the best suggestion is to use a DOS emulator (such as
DOSbox) to run the installer.
#else
* If the IWAD files are not directly available on the CD, or you have
a floppy disk version, installation is more difficult. The best
suggestion is to use a DOS emulator (such as DOSbox) to run the
installer.
#endif
* As an alternative to using an emulator, it is possible to extract
the files manually. On the install disk(s), you will find several
files with numbered extensions (with CD versions there may be a
single large file with the extension .1, eg. "resource.1").
From the command line it is possible to combine these files into a
single large file, using a command similar to the following:
#if _WIN32
copy doom_se.1+doom_se.2+doom_se.3+doom_se.4+doom_se.5 doom_se.lha
#else
cat doom_se.1 doom_se.2 doom_se.3 doom_se.4 doom_se.5 > doom_se.lha
#endif
The resulting file is an LHA archive file, and it can be extracted
using an LHA archive tool (there is one available for almost every
operating system).
Running the game
----------------
#if __MACOSX__
Once you have an IWAD file, you can specify its location within the
graphical launcher program. Click the "Configure..." button, and then
click "Set..." for each IWAD location to choose its location. From
the main launcher dialog you can then choose which game you want to
play and click the "Launch" button to start the game.
If you are an advanced user and like to run Doom from the command
line, you can use the "Open Terminal..." menu item to open a command
line terminal. The DOOMWADPATH environment variable is preconfigured
to point to the locations of the IWAD files set within the launcher.
You can launch the game with a specific IWAD file by typing, for
example:
chocolate-doom -iwad tnt.wad
#else
Chocolate Doom needs to know where to find your IWAD file. To do this,
do one of the following:
#if _WIN32
* Within Explorer, simply place the IWAD file in the same folder as
the Chocolate Doom files, and double-click chocolate-doom.exe.
* Set the environment variable DOOMWADDIR to the location of a
directory containing your IWAD files.
* If you have multiple IWADs in different directories, set the
environment variable DOOMWADPATH to be a semicolon-separated list
of directories to search (similar to the PATH environment
variable).
* Run Chocolate Doom from the command prompt with the '-iwad' command
line parameter to specify the IWAD file to use, eg.
chocolate-doom -iwad c:\games\doom2.wad
#else
* Put the file into one of the following directories:
/usr/share/games/doom
/usr/local/share/games/doom
* Set the environment variable DOOMWADDIR to specify the path to a
directory containing your IWAD files.
* If you have multiple IWADs in different directories, set the
environment variable DOOMWADPATH to be a colon-separated list of
directories to search (similar to the Unix PATH environment
variable).
* Run Chocolate Doom from the Unix console with the '-iwad' command
line parameter to specify the IWAD file to use, eg.
chocolate-doom -iwad /root/doom2.wad
#endif
#endif
Playing with Chex Quest
-----------------------
Chex Quest is a game based on Doom with some minor modifications that
was distributed with boxes of Chex cereal in 1997. It is possible to
play Chex Quest using Chocolate Doom. To do this, the following files
are needed:
* The IWAD file 'chex.wad', from the Chex Quest CD.
* The dehacked patch 'chex.deh', which can be found in the /idgames
repository in utils/exe_edit/patches/chexdeh.zip.
Copy these files into a directory together and use the '-iwad' command
line parameter to specify the Chex Quest IWAD file:
chocolate-doom -iwad chex.wad
Installing upgrades
-------------------
Chocolate Doom requires a version 1.9 IWAD file. Generally, if you
install a recent version of Doom you should have a version 1.9 IWAD.
However, if you are installing from a very old CD version or from
floppy disks, you might find you have an older version.
The most obvious symptom of an out of date IWAD file is that the game
will exit at the title screen before the demo starts, with the message
"Demo is from a different game version!". If this happens, your IWAD
file is out of date and you need to upgrade.
Id Software released upgrade patches that will update your game to
version 1.9. The following sites have the patches:
http://www.doomworld.com/files/patches.shtml
http://www.doom2.net/doom2/utils.html
ftp://ftp.idsoftware.com/idstuff/doom2
#if _WIN32
As the patches are binary patches that run as DOS executables, on
recent 64-bit versions of Windows you will need to use a DOS emulator
(such as DOSBox) to run them.
#else
As the patches are binary patches that run as DOS executables, you
will need to use a DOS emulator (such as DOSBox) to run them.
#endif
Music support
-------------
Chocolate Doom includes OPL emulation code that accurately reproduces
the way that the in-game music sounded under DOS when using an
Adlib/Soundblaster card. This is, however, not to everyone's taste.
#if _WIN32
Better quality MIDI playback is possible by using Windows' native
MIDI synthesizer that is part of the operating system. Select "Native
MIDI" within the sound dialog in the setup tool.
#endif
#if __MACOSX__
High quality MIDI playback is possible by using Mac OS X's native MIDI
synthesizer that is part of the operating system. Select "Native MIDI"
within the sound dialog in the setup tool.
#endif
As an alternative it is possible to use Timidity for high quality MIDI
playback:
http://timidity.sourceforge.net/
A good set of patches for Timidity is the eawpats collection, which can
be found here:
http://www.doomworld.com/idgames/index.php?id=13928
(Doom idgames archive, /sounds/eawpats.zip)
#ifn PRECOMPILED
When compiling from source, be sure to compile and install timidity
before installing SDL_mixer.
#endif
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