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ioq3quest/README
Tim Angus c7c2ee1b84 * Improve Makefile startup time 
+ Merge q3asm and q3lcc Makefiles into the core Makefile
  + Don't find .d files, create a list from .o
  + .asm files now depend on q3lcc
  + .qvm files now depend on q3asm
* IMPORTANT NOTE: do a "make distclean" if you have problems
2007-09-12 23:37:33 +00:00

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`---------- http://ioquake3.org --------'
The intent of this project is to provide a baseline Quake 3 which may be used
for further development. Some of the major features currently implemented are:
* SDL backend
* OpenAL sound API support (multiple speaker support and better sound
quality)
* Full x86_64 support on Linux
* MinGW compilation support on Windows and cross compilation support on Linux
* AVI video capture of demos
* Much improved console autocompletion
* Persistent console history
* Colorized terminal output
* Optional Ogg Vorbis support
* Much improved QVM tools
* Support for various esoteric operating systems (see
http://ioquake3.org/?page=status)
* cl_guid support
* HTTP/FTP download redirection (using cURL)
* Multiuser support on Windows systems (user specific game data
is stored in "%APPDATA%\Quake3")
* PNG support
* Many, many bug fixes
The map editor and associated compiling tools are not included. We suggest you
use a modern copy from http://www.qeradiant.com/.
The original id software readme that accompanied the Q3 source release has been
renamed to id-readme.txt so as to prevent confusion. Please refer to the
web-site for updated status.
--------------------------------------------- Compilation and installation -----
For *nix
1. Change to the directory containing this readme.
2. Run 'make'.
For Windows, using MinGW
1. Download and install MinGW and MSys from http://www.mingw.org/.
2. Open an MSys terminal, and follow the instructions for compiling on *nix.
For Mac OS X, building a Universal Binary
1. Install the MacOSX10.2.8.sdk and MacOSX10.4u.sdk which are included in
XCode 2.2 and newer.
2. Change to the directory containing this README file.
3. Run './make-macosx-ub.sh'
4. Copy the resulting ioquake3.app in /build/release-darwin-ub to your
/Applications/ioquake3 folder.
Installation, for *nix
1. Set the COPYDIR variable in the shell to be where you installed Quake 3
to. By default it will be /usr/local/games/quake3 if you haven't set it.
This is the path as used by the original Linux Q3 installer and subsequent
point releases.
2. Run 'make copyfiles'.
It is also possible to cross compile for Windows under *nix using MinGW. A
script is available to build a cross compilation environment from
http://www.libsdl.org/extras/win32/cross/build-cross.sh. The gcc/binutils
version numbers that the script downloads may need to be altered.
Alternatively, your distribution may have mingw32 packages available. On
debian/Ubuntu, these are mingw32, mingw32-runtime and mingw32-binutils. Cross
compiling is simply a case of using './cross-make-mingw.sh' in place of 'make',
though you may find you need to change the value of the variables in this
script to match your environment.
The following variables may be set, either on the command line or in
Makefile.local:
CFLAGS - use this for custom CFLAGS
V - set to show cc command line when building
DEFAULT_BASEDIR - extra path to search for baseq3 and such
BUILD_SERVER - build the 'ioq3ded' server binary
BUILD_CLIENT - build the 'ioquake3' client binary
BUILD_CLIENT_SMP - build the 'ioquake3-smp' client binary
BUILD_GAME_SO - build the game shared libraries
BUILD_GAME_QVM - build the game qvms
USE_OPENAL - use OpenAL where available
USE_OPENAL_DLOPEN - link with OpenAL at runtime
USE_CURL - use libcurl for http/ftp download support
USE_CURL_DLOPEN - link with libcurl at runtime
USE_CODEC_VORBIS - enable Ogg Vorbis support
USE_LOCAL_HEADERS - use headers local to ioq3 instead of system ones
COPYDIR - the target installation directory
The defaults for these variables differ depending on the target platform.
------------------------------------------------------------------ Console -----
New cvars
cl_autoRecordDemo - record a new demo on each map change
cl_aviFrameRate - the framerate to use when capturing video
cl_aviMotionJpeg - use the mjpeg codec when capturing video
s_useOpenAL - use the OpenAL sound backend if available
s_alPrecache - cache OpenAL sounds before use
s_alGain - the value of AL_GAIN for each source
s_alSources - the total number of sources (memory) to
allocate
s_alDopplerFactor - the value passed to alDopplerFactor
s_alDopplerSpeed - the value passed to alDopplerVelocity
s_alMinDistance - the value of AL_REFERENCE_DISTANCE for
each source
s_alMaxDistance - the maximum distance before sounds start
to become inaudible.
s_alRolloff - the value of AL_ROLLOFF_FACTOR for each
source
s_alGraceDistance - after having passed MaxDistance, length
until sounds are completely inaudible.
s_alDriver - which OpenAL library to use
s_alDevice - which OpenAL device to use
s_alAvailableDevices - list of available OpenAL devices
s_sdlBits - SDL bit resolution
s_sdlSpeed - SDL sample rate
s_sdlChannels - SDL number of channels
s_sdlDevSamps - SDL DMA buffer size override
s_sdlMixSamps - SDL mix buffer size override
com_ansiColor - enable use of ANSI escape codes in the tty
com_altivec - enable use of altivec on PowerPC systems
s_backend - read only, indicates the current sound
backend
s_muteWhenMinimized - mute sound when minimized
in_joystickNo - select which joystick to use
cl_consoleHistory - read only, stores the console history
cl_platformSensitivity - read only, indicates the mouse input
scaling
r_ext_texture_filter_anisotropic - anisotropic texture filtering
cl_guidServerUniq - makes cl_guid unique for each server
cl_cURLLib - filename of cURL library to load
sv_dlURL - the base of the HTTP or FTP site that
holds custom pk3 files for your server
New commands
video [filename] - start video capture (use with demo command)
stopvideo - stop video capture
------------------------------------------------------------ Miscellaneous -----
Using shared libraries instead of qvm
To force Q3 to use shared libraries instead of qvms run it with the following
parameters: +set sv_pure 0 +set vm_cgame 0 +set vm_game 0 +set vm_ui 0
Using Demo Data Files
Copy demoq3/pak0.pk3 from the demo installer to your baseq3 directory. The
qvm files in this pak0.pk3 will not work, so you have to use the native
shared libraries or qvms from this project. To use the new qvms, they must be
put into a pk3 file. A pk3 file is just a zip file, so any compression tool
that can create such files will work. The shared libraries should already be
in the correct place. Use the instructions above to use them.
Please bear in mind that you will not be able to play online using the demo
data, nor is it something that we like to spend much time maintaining or
supporting.
64bit mods
If you wish to compile external mods as shared libraries on a 64bit platform,
and the mod source is derived from the id Q3 SDK, you will need to modify the
interface code a little. Open the files ending in _syscalls.c and change
every instance of int to intptr_t in the declaration of the syscall function
pointer and the dllEntry function. Also find the vmMain function for each
module (usually in cg_main.c g_main.c etc.) and similarly replace the return
value in the prototype with intptr_t (arg0, arg1, ...stay int).
Add the following code snippet to q_shared.h:
#ifdef Q3_VM
typedef int intptr_t;
#else
#include <stdint.h>
#endif
Note if you simply wish to run mods on a 64bit platform you do not need to
recompile anything since by default Q3 uses a virtual machine system.
Creating mods compatible with Q3 1.32b
If you're using this package to create mods for the last official release of
Q3, it is necessary to pass the commandline option '-vq3' to your invocation
of q3asm. This is because by default q3asm outputs an updated qvm format that
is necessary to fix a bug involving the optimizing pass of the x86 vm JIT
compiler. See http://www.quakesrc.org/forums/viewtopic.php?t=5665 (if it
still exists when you read this) for more details.
cl_guid Support
cl_guid is a cvar which is part of the client's USERINFO string. Its value
is a 32 character string made up of [a-f] and [0-9] characters. This
value is pseudo-unique for every player. Id's Quake 3 Arena client also
sets cl_guid, but only if Punkbuster is enabled on the client.
If cl_guidServerUniq is non-zero (the default), then this value is also
pseudo-unique for each server a client connects to (based on IP:PORT of
the server).
The purpose of cl_guid is to add an identifier for each player on
a server. This value can be reset by the client at any time so it's not
useful for blocking access. However, it can have at least two uses in
your mod's game code:
1) improve logging to allow statistical tools to index players by more
than just name
2) granting some weak admin rights to players without requiring passwords
Using HTTP/FTP Download Support (Server)
You can enable redirected downloads on your server even if it's not
an ioquake3 server. You simply need to use the 'sets' command to put
the sv_dlURL cvar into your SERVERINFO string and ensure sv_allowDownloads
is set to 1
sv_dlURL is the base of the URL that contains your custom .pk3 files
the client will append both fs_game and the filename to the end of
this value. For example, if you have sv_dlURL set to
"http://ioquake3.org", fs_game is "baseq3", and the client is
missing "test.pk3", it will attempt to download from the URL
"http://ioquake3.org/baseq3/test.pk3"
sv_allowDownload's value is now a bitmask made up of the following
flags:
1 - ENABLE
2 - do not use HTTP/FTP downloads
4 - do not use UDP downloads
8 - do not ask the client to disconnect when using HTTP/FTP
Server operators who are concerned about potential "leeching" from their
HTTP servers from other ioquake3 servers can make use of the HTTP_REFERER
that ioquake3 sets which is "ioQ3://{SERVER_IP}:{SERVER_PORT}". For,
example, Apache's mod_rewrite can restrict access based on HTTP_REFERER.
Using HTTP/FTP Download Support (Client)
Simply setting cl_allowDownload to 1 will enable HTTP/FTP downloads
assuming ioquake3 was compiled with USE_CURL=1 (the default).
like sv_allowDownload, cl_allowDownload also uses a bitmask value
supporting the following flags:
1 - ENABLE
2 - do not use HTTP/FTP downloads
4 - do not use UDP downloads
When ioquake3 is built with USE_CURL_DLOPEN=1 (default on some platforms),
it will use the value of the cvar cl_cURLLib as the filename of the cURL
library to dynamically load.
Multiuser Support on Windows systems
On Windows, all user specific files such as autogenerated configuration,
demos, videos, screenshots, and autodownloaded pk3s are now saved in a
directory specific to the user who is running ioquake3.
On NT-based such as Windows XP, this is usually a directory named:
"C:\Documents and Settings\%USERNAME%\Application Data\Quake3\"
Windows 95, Windows 98, and Windows ME will use a directory like:
"C:\Windows\Application Data\Quake3"
in single-user mode, or:
"C:\Windows\Profiles\%USERNAME%\Application Data\Quake3"
if multiple logins have been enabled.
In order to access this directory more easily, the installer may create a
Shortcut which has its target set to:
"%APPDATA%\Quake3\"
This Shortcut would work for all users on the system regardless of the
locale settings. Unfortunately, this environment variable is only
present on Windows NT based systems.
You can revert to the old single-user behaviour by setting the fs_homepath
cvar to the directory where ioquake3 is installed. For example:
ioquake3.exe +set fs_homepath "c:\ioquake3"
Note that this cvar MUST be set as a command line parameter.
SDL Keyboard Differences
ioquake3 clients have different keyboard behaviour compared to the original
Quake3 clients.
* "Caps Lock" and "Num Lock" can not be used as normal binds since they
do not send a KEYUP event until the key is pressed again.
* SDL > 1.2.9 does not support disabling "Dead Key" recognition.
In order to send "Dead Key" characters (e.g. ~, ', `, and ^), you
must key a Space (or sometimes the same character again) after the
character to send it on many international keyboard layouts.
* The SDL client supports many more keys than the original Quake3 client.
For example the keys: "Windows", "SysReq", "ScrollLock", and "Break".
For non-US keyboards, all of the so called "World" keys are now
supported as well as F13, F14, F15, and the country-specific
mode/meta keys.
SDL's "Dead Key" behaviour makes the hard-coded toggleConsole binds ~ and `
annoying to use on many non-US keyboards. In response, an additional
toggleConsole bind has been added on the key combination Shift-Esc.
PNG support
ioquake3 supports the use of PNG (Portable Network Graphic) images as
textures. It should be noted that the use of such images in a map will
result in missing placeholder textures where the map is used with the id
Quake 3 client or earlier versions of ioquake3.
Recent versions of GtkRadiant and q3map2 support PNG images without
modification. However GtkRadiant is not aware that PNG textures are supported
by ioquake3. To change this behaviour open the file 'q3.game' in the 'games'
directory of the GtkRadiant base directory with an editor and change the
line:
texturetypes="tga jpg"
to
texturetypes="tga jpg png"
Restart GtkRadiant and PNG textures are now available.
------------------------------------------------------------- Contributing -----
Please send all patches to bugzilla (https://bugzilla.icculus.org), or join the
mailing list (quake3-subscribe@icculus.org) and submit your patch there. The
best case scenario is that you submit your patch to bugzilla, and then post the
URL to the mailing list. If you're too lazy for either method, then it would be
better if you emailed your patches to zakk@icculus.org directly than not at
all.
The focus for ioquake3 to develop a stable base suitable for further
development, and provide players with the same Quake 3 experience they've had
for years. As such ioq3 does not have any significant graphical enhancements
and none are planned at this time. However, improved graphics and sound
patches will be accepted as long as they are entirely optional, do not
require new media and are off by default.
--------------------------------------------- Building Official Installers -----
We need help getting automated installers on all the platforms that ioquake3
supports. We don't neccesarily care about all the installers being identical,
but we have some general guidelines:
* Please include the id patch pk3s in your installer, which are available
from http://ioquake3.org/?page=getdata subject to agreement to the id
EULA. Your installer shall also ask the user to agree to this EULA (which
is in the /web/include directory for your convenience) and subsequently
refuse to continue the installation of the patch pk3s and pak0.pk3 if they
do not.
* Please don't require pak0.pk3, since not everyone using the engine
plans on playing Quake 3 Arena on it. It's fine to (optionally) assist the
user in copying the file or tell them how.
* It is fine to just install the binaries without requiring id EULA agreement,
providing pak0.pk3 and the patch pk3s are not refered to or included in the
installer.
* Please include at least an SDL so/dylib on every platform.
* Please include an OpenAL so/dylib/dll, since every platform should be using
it by now.
* We'll bump the version to 1.34 as soon as we get enough people who can
demonstrate a competent build for Windows and Mac.
* Please contact the mailing list and/or zakk@timedoctor.org after you've
made your installer.
* Please be prepared to alter your installer on the whim of the maintainers.
* Your installer will be mirrored to an "official" directory, thus making it
a done deal.
------------------------------------------------------------------ Credits -----
Maintainers
Aaron Gyes <floam at sh dot nu>
Ludwig Nussel <ludwig.nussel@suse.de>
Thilo Schulz <arny@ats.s.bawue.de>
Tim Angus <tim@ngus.net>
Tony J. White <tjw@tjw.org>
Zachary J. Slater <zakk@timedoctor.org>
Significant contributions from
Ryan C. Gordon <icculus@icculus.org>
Andreas Kohn <andreas@syndrom23.de>
Joerg Dietrich <Dietrich_Joerg@t-online.de>
Stuart Dalton <badcdev@gmail.com>
Vincent S. Cojot <vincent at cojot dot name>
optical <alex@rigbo.se>
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