219 lines
8.6 KiB
Text
219 lines
8.6 KiB
Text
Quake2 3.20 For Linux
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---------------------
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Please see the readme.txt file included for general information about the
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game. This file contains Linux specific information.
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Please see the file 3.20_Changes.txt for changes from previous versions.
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Requirements
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------------
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Quake2 for Linux supports the following video subsystems:
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- SVGALib Console Graphics (ref_soft.so)
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- Requires SVGALib 1.2.0 or later
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- X11 Window Graphics (ref_softx.so)
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- X11R5 or later, XShm shared memory extension supported
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- 3DFX fxMesa with Mesa 3-D or 3DFX Miniport (ref_gl.so)
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- Mesa 3-D 2.6 or later, specifically compiled for 3DFX support
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Mesa 3-D 2.6 compiled with 3DFX support is provided with this archive.
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- Generic glX (X11) based OpenGL (ref_glx.so)
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- Requires a glX based hardware accelerated OpenGL implementation.
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Mesa 3-D 2.6 supports this on 3DFX hardware.
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Also included is a specific 3DFX mini-OpenGL implementation for running Quake2
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on 3DFX hardware.
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Installation
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------------
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Make sure you have the appropirate hardware, drivers and libraries installed
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for the renderer you are going to play on.
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Quake2 for Linux supports the following renderers:
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- ref_soft
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Software rendering under SVGALib (console only). SVGALib 1.2.10 or later
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is required. Note that SVGALib 1.2.11 supports the ability to run a
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SVGALib application under X11 as it will automatically allocate a new
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console. The default mode is 320x240 (ModeX) since that is the lowest
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resolution supported by Quake2. If SVGALib supports your video card, higher
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resolution modes such as 640x480 and 800x600 are also supported.
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Please note that you may need to configure your mouse for SVGALib in
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/etc/vga/libvga.config (or /etc/libvga.config).
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- ref_softx
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Software rendering under X11. This uses the MITSHM Extension and should
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work will virtually all Linux X Servers. **NOTE: Do not resize the window
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under X11. You must use the Video menu to change resolution/window size.
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By default, the mouse will not be 'tied' to the Quake2 window. To cause
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Quake2 to grab the mouse, select 'Windowed Mouse' from the video menu,
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or type '_windowed_mouse 0' at the console. Do the reverse to release it.
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You can bind keys to grab and release the mouse in the console, like so:
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bind i "_windowed_mouse 1"
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bind o "_windowed_mouse 0"
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Then "i" will grab the mouse and "o" will release it.
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- ref_gl
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This render can be run with two different OpenGL drivers: Mesa 3-D
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ontop of Linux GLIDE, or 3DFX's mini-OpenGL Quake driver.
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For Mesa 3-D, the necessary libMesaGL.so.2.6 is included with this archive.
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You must copy it to /usr/lib or /usr/local/lib and run ldconfig (as root)
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in order to use it. You can do this as follows:
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tar cf - lib*GL* | (cd /usr/lib; tar xf -)
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You should use tar to keep the symlinks intact. Once you copy them over
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run ldconfig.
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You must also download and install the Linux GLIDE drivers at
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http://www.3dfx.com/software/download_glidel.html
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And install them as instructed.
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RPMs for GLIDE are available at :
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http://glide.xxedgexx.com/3DfxRPMS.html
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With version 3.20, the GL library is entirely runtime loaded. This means
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you can specify what shared object to load for GL display.
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To use Mesa 3-D GL (console), run quake with:
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./quake2 +set vid_ref gl +set gl_driver libMesaGL.so.2
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To use the 3DFX OpenGL Miniport, run the included quake2.3dfxgl:
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./quake2 +set vid_ref gl +set gl_driver lib3dfxgl.so
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The gl_driver cvar indicates the name of the library to load for GL
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functions. It can be in any directory listed in /etc/ld.so.conf
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or in /etc/quake2.conf
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**NOTE: There is a problem on libc5 systems where a vid_restart (causing
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a reload of the video system) will crash. There doesn't seem to be a
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solution to this yet. It looks to be some sort of ld.so dynamic loading
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interaction with SVGALib and ref_gl.so. A work around is to start in
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software mode (./quake2 +set vid_ref soft), then use the menu to set your
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mode and a vid_restart will work when going from software to GL. Exit
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out then and save your video mode settings.
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This problem does not occur on libc6 (glibc) based systems; vid_restart
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works fine on there.
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- ref_glx
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ref_glx should run on many different hardward OpenGL implementations under
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Linux and X11. This binary is an X11 application and must be run under
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X11. It will work with Mesa 3-D as a standard glX based OpenGL
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applications. If the Mesa 3-D library is compiled with 3DFX support,
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you can have Mesa 3-D support 3DFX hardware under X11 by setting the
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enviroment variable "MESA_GLX_FX" to "fullscreen" for fullscreen mode
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and "window" for windowed mode, eg. "export MESA_GLX_FX=fullscreen" for sh
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or "setenv MESA_GLX_FX fullscreen" for csh.
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As with ref_gl, the "gl_driver" cvar indicates the shared library to load
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for OpenGL functions (the glX functions must provided in that library
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as well).
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To install the Quake2 data files, mount your Quake2 CD and copy
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the directory install/data to the location where you want Quake2. You
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can also symlink it, but I don't recommend that. Around 200MB of disk
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space is required for a full installation.
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For example:
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cp -r /mnt/cdrom/install/data/* /usr/games/quake2
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Permissions
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-----------
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Quake2 requires root permissions to use the software (SVGALib) and GL (MesaGL
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w/3dfx) renders. In order to make this secure, some special considerations
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must be made.
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Quake2 should get setuid root:
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chown root quake2
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chmod 4711 quake2
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And the ref_soft.so and ref_gl.so files must owned by root.
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The file /etc/quake2.conf must be installed. This file contains a single
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line with the path of where the ref shared libraries can be found.
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A sample one is included that lists /usr/games/quake2 as the default
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path. The libraries are only loaded out of the directory listed in
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/etc/quake2.conf for security considerations.
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Special permissions are not required for the softx renderer, but quake2 may
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still need to be setuid root to open the sound device (quake2 will give up
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setuid root permissions before loading softx).
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NOTE: If you use a setuid quake2 binary and run it as a normal user, it
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will NOT be able to switch renderers on the fly because root permissions
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are given up after the renderer is loaded. You can switch renderers on the
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fly if you run quake2 as root (su or log in as root).
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NOTE: When the quake2 binary is run in dedicated server mode
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(+set dedicated 1), no special permissions are required and
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/etc/quake2.conf is not read since no renderer is loaded.
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----
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The first time you run Quake2, it will use ref_soft or ref_softx based
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on whether a DISPLAY environment variable exists.
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To force the loading of a specific renderer at load time, use the following
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command lines:
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./quake2 +set vid_ref soft
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./quake2 +set vid_ref softx
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./quake2 +set vid_ref gl
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./quake2 +set vid_ref glx
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Linux Specific Cvars
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--------------------
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To set this, use +set on the command line, i.e.:
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./quake2 +set cd_dev /dev/hdc +set sndmono 1
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nocdaudio (defaults to 0)
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Do not enable cd audio if not zero
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sndbits (defaults to 16)
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Set sound bit sample size.
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sndspeed (defaults to 0)
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Set sound speed. Usual values are 8000, 11025, 22051 and 44100.
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If set to zero, causes the sound driver to attempt speeds in the following
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order: 11025, 22051, 44100, 8000.
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sndchannels (defaults to 2)
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Indicates stereo or mono sound. Defaults to 2 (stereo). Use 1 for mono.
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nostdout (defaults to 0)
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Whether to output console msgs to standard out. Non-zero is cease output.
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Dedicated server
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----------------
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To run Linux Quake2 as a dedicated server, just run it as follows:
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./quake2 +set dedicated 1
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You can also set dmflags, timelimit, etc. in a config file, like so:
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set timelimit 20
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set fraglimit 25
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set dmflags 532
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map fact3
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Then exec that config file on load, like so:
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./quake2 +set dedicated 1 +exec server.cfg
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If you use a config file, you must put a 'map' command in it or the
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server won't load a map.
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To run a dedicated server in the background, use this;
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nohup ./quake2 +set dedicated 1 +exec server.cfg &
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A better way is to run Quake2 on a tty via screen. screen can be found
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at ftp://prep.ai.mit.edu/pub/gnu/screen-3.7.4.tar.gz, but it comes with
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most modern Linux installations now.
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-----------------------------------------------------------------------------
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Linux Quake2 is an unsupported product. Usage of this product is bound by
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the legal notice found on the distribution Quake2 CDROM.
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/// Zoid
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zoid@idsoftware.com
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