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b288d8a399
xorshift* PRNG This needs testing to ensure I didn't mess anything up switching function names around. Our PRNG sucks. This is probably obvious. I wish I had known better at the time I implemented it, but oh well. The replacement is an xorshift* PRNG variant with period 2^32 - 1 (meaning that the PRNG state will loop after four billion calls ... that's not likely to happen), versus the old PRNG's period of about 2^22 (?). The output is also much more random and less predictable; the old PRNG would fall into a predictable loop of output after about 4000 numbers were generated, which isn't much. The PRNG here also outputs numbers as fixed point from [0,1) (that's 0 to FRACUNIT-1, in other words) instead of single bytes at a time. This makes it much easier to calculate things for, say, P_RandomRange and P_RandomKey. A new macro, P_RandomChance(p), is now in use that returns true _p_ percent of the time, where _p_ is a fixed_t probability from 0 (0%) to FRACUNIT (100%). This doesn't affect netgames at all; the code for seed saving and restoring is identical (aside from a check to prevent seed being set to 0, which breaks xorshift PRNGs). Demos break, but A: _duh_ and B: they're already broken by all the changes to physics to accommodate slopes. P_Random is deprecated in Lua, as the function was renamed to P_RandomByte. Aside from that, nothing special. See merge request !64 |
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| android | ||
| assets | ||
| bin | ||
| cmake/Modules | ||
| debian | ||
| doc | ||
| extras | ||
| libs | ||
| objs | ||
| src | ||
| tools | ||
| .gitattributes | ||
| .gitignore | ||
| .travis.yml | ||
| Android.mk | ||
| appveyor.yml | ||
| CMakeLists.txt | ||
| comptime.bat | ||
| comptime.mk | ||
| comptime.sh | ||
| cpdebug.mk | ||
| Doxyfile | ||
| LICENSE | ||
| readme.txt | ||
| srb2-vc9.sln | ||
| srb2-vc10.sln | ||
| SRB2.cbp | ||
| Srb2.dev | ||
| srb2.png | ||
Here it is! SRB2 v2.1.14 source code!
(why do we keep the version number up to date
when everything else in this file is hilariously old?
- Inuyasha)
Win32 with Visual C (6SP6+Processor Pack OR 7)
~~~
2 VC++ 6.0 project files are included:
Win32/DirectX/FMOD
src\win32\wLegacy.dsw
You'll need FMOD to compile this version (www.fmod.org)
or
Win32/SDL/SDL_mixer
src\sdl\Win32SDL.dsp
You'll need SDL and SDL_mixer for this version (www.libsdl.org)
Both needs NASM (http://sourceforge.net/projects/nasm)
For PNG screenshot, libPNG, and Zlib (from http://gnuwin32.sourceforge.net/)
No warranty, support, etc. of any kind is offered,
just plain old as is.
Some bits of code are still really scary.
Go nuts!
Win32 with Dev-C++ (http://bloodshed.net/ free!)
~~~
2 Dev-C++ project files are included:
Win32/DirectX/FMOD
src\win32\SRB2.dev
or
Win32/SDL/SDL_mixer
src\sdl\Win32SDL.dev
You'll need SDL and SDL_mixer for this version (www.libsdl.org)
libPNG and Zlib (from http://gnuwin32.sourceforge.net/)
Note there are precompiled libpng.a and libz.a for Mingw
you will need NASM for both SDL/SDL_mixer and DirectX/FMOD
and you need DirectX 6 (or up) Dev-Paks to compile DirectX version
GNU/Linux
~~~
Dependencies:
SDL 1.2.7 or better (from libsdl.org)
SDL_Mixer 1.2.2(.7 for file-less music playback) (from libsdl.org)
Nasm (use NOASM=1 if you don't have it or have an non-i386 system, I think)
libPNG 1.2.7
Zlib 1.2.3
The Xiph.org libogg and libvorbis libraries
The OpenGL headers (from Mesa, usually shipped with your X.org or XFree
installation, so you needn't worry, most likely)
GCC 3.x toolchain and binutils
GNU Make
Build instructions:
make -C src LINUX=1
Build instructions (64 bit):
make -C src LINUX64=1
Build instructions to build for Wii Linux/SRB2Wii on a PowerPC system,
follow cross-compiling instructions for cross-compiling on a x86 system:
make -C src LINUX=1 WIILINUX=1
Build instructions to build for Pandora (Linux) on a ARM system,
follow cross-compiling instructions for cross-compiling on a x86 system:
make -C src PANDORA=1
Solaris
~~~
Dependencies:
SDL 1.2.5 or better (from libsdl.org)
SDL_Mixer 1.2.2(.7 for file-less music playback) (from libsdl.org)
libPNG 1.2.7
Zlib 1.2.3
The Xiph.org libogg and libvorbis libraries
The OpenGL headers (from Mesa, usually shipped with your X.org or XFree
installation, so you needn't worry, most likely)
GCC 3.x toolchain and binutils
GNU Make
You can get all these programs/libraries from the Companion CD (except SDL_mixer and OpenGL)
Build instructions:
gmake -C src SOLARIS=1
FreeBSD
~~~
Dependencies:
SDL 1.2.7 or better (from libsdl.org)
SDL_Mixer 1.2.2(.7 for file-less music playback) (from libsdl.org)
Nasm (use NOASM=1 if you don't have it or have an non-i386 system, I think)
libPNG 1.2.7
Zlib 1.2.3
The Xiph.org libogg and libvorbis libraries
The OpenGL headers (from Mesa, usually shipped with your X.org or XFree
installation, so you needn't worry, most likely)
GCC 3.x toolchain and binutils
GNU Make
Build instructions:
gmake -C src FREEBSD=1
DJGPP/DOS
~~~
Dependencies:
Allegro 3.12 game programming library, (from
http://alleg.sourceforge.net/index.html)
Nasm (use NOASM=1 if you don't have it)
libsocket (from http://homepages.nildram.co.uk/~phekda/richdawe/lsck/) or
Watt-32 (from http://www.bgnett.no/~giva/)
GCC 3.x toolchain and binutils
GNU Make
Build instructions:
make -C src # to link with Watt-32, add WATTCP=1
# for remote debugging over the COM port, add RDB=1
Notes:
use tools\djgpp\all313.diff to update Allegro to a "more usable" version ;)
Example: E:\djgpp\allegro>patch -p# < D:\SRB2Code\1.1\srb2\tools\djgpp\all313.diff
Windows CE
~~~
Dependencies:
SDL 1.27
Build instructions:
use src\SDL\WinCE\SRB2CE.vcw
-------------------------------------------------------------------------------
binaries will turn in up in bin/
note: read the src/makefile for more options
- Sonic Team Junior
http://www.srb2.org