M.U.G.E.N is a 2D fighting
game engine designed by Elecbyte
starting in 1999. Elecbyte distributed
beta versions that ran under
DOS,
Linux, and
Windows. The engine allows for
anyone to create characters, stages, and
other game objects through interpreted
text files and graphics and sound
compilations, and it also supports
MP3 background music during gameplay.
The engine is very powerful and
flexible, allowing for the same type of
functionality found in most any
commercial 2D
fighting game, such as the
Street Fighter games produced by
Capcom or the
King of Fighters games produced by
SNK.
M.U.G.E.N history
From 1999 to 2001, there were several incremental
releases of the M.U.G.E.N engine for
DOS. Development of the DOS version was
ceased when Elecbyte switched to the
Linux platform in late 2001. An
unprecedented number of donations to the
Elecbyte site soon followed, as many
users would much rather have a Windows
version instead. The new Linux releases
added features that the DOS version does
not have. There were then promises of a
Windows port of the engine, but the
development group decided to discontinue
the project in
2003, apparently due to leaks of a
private WinMugen beta that was provided
to donators. The WinMugen beta contained
a two-character roster limit, locked
game modes, and nag screens. A "no limit"
hack that removes these limitations was
made available in
2004. This Windows version is
functionally the same as the last Linux
release and is the most widely used
version of M.U.G.E.N today, despite some
controversies - modifications made on
the actual engine are sometimes seen as
analogue to those made on the creations
developed for it, and this is a
recurrent topic of discussion among
M.U.G.E.N fans (see
Fork (software development)). Since
development of the engine was halted,
and no
source code has been made available
by Elecbyte, there are now some projects
in the works to make a clone of the
engine from scratch. Some of which may
present Online capabilities, a much
sought-after feature. Today, many
examples of Mugen can be found in combo
videos on the video hosting site..
Legality of M.U.G.E.N
Be advised that previous license
agreements for usage of MUGEN from
Elecbyte have expired, and it appears
that a new license agreement will never
be granted. Thus, any current
distribution of MUGEN has not been
authorized by Elecbyte and is
technically illegal, although Elecbyte
has never taken any legal action; it has
simply disappeared without explanation.
Many people chose to continue using
MUGEN despite the lack of a new license.
Creations such as characters and stages
for use with MUGEN are not a part of
Elecbyte's license, but only the
software itself is. So, it is up to each
individual whether or not to violate
Elecbyte's license by using MUGEN.
Elecbyte itself has not made a public
statement since 2003, when they stated
that the project had "hit a snag".
Most characters and stages are of
dubious legality as well, as most are
made using sprites and sounds ripped
from copyrighted games. For this reason,
some standing communities enforced a
loose "time-release" rule, where they do
not allow linking to characters made
from recent games. While this has no
actual impact on the legality of the
materials in question, it has presumably
served to help avoid any legal pressure
from the copyright holders. But some
copyright holders, such as
Capcom are said to understand that
it is just a fanart work and don't care
about it. The work material has two
categories: the content of the SFF (sprite
format, based on
PCX images) and SND (audio format
based on
WAV) files are copyrighted by the
respective owners (like
Capcom,
SNK, etc); the other files, like CMD
(command file), AIR (animation file) and
CNS (constant and state definitions, the
main file of a Mugen character) are
copyrighted by the author of the
character or the stage. Elecbyte stated
that the reason why the code files were
text-based and directly processed by the
engine in this manner was so that users
could learn from each other, yet there
has been a great deal of controversy
regarding permission (or lack thereof)
between coders.
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