Citadel of Mo, the last remaining place where humans can be safe from army
of vicious Tyrannosaurus led by allmighty Morkus Rex. What awaits young Adam,
prince of Mo, who just came of age and want to travel across the world?
Will he be able to restore long lost friendship between dinosaurus and humans?


This is SCUMMVM reimplementation of Cryo's Lost Eden game engine. In order to
stay as close as possible to original game and minimize number of bugs
introduced during code reconstruction, in its current state this project is
a straight reverse-engineered game code hooked up to SCUMMVM framework.
Because of that, this code in no way represent the quality or coding practices
of SCUMMVM itself. Essentially, this is how the game was originally written.

There are several Lost Eden game versions known to exists.

- Non-interactive PC demo version. Basically, a number of video files played
  in a loop with FM music in background. Google for "ANCIBUR2.HNM" file to
  find it.

- Interactive PC demo version. Allows to play through whole Citadel of Mo
  then shows "Coming Soon" banner.
  Can be found here: http://www.ag.ru/games/lost-eden/demos/2677
  Download is a self-extracting archive, unpack it with 7zip or similar tool.

- PC version. Main version of the game. Written in assembly and partially based
  on Dune's game code.
  Runs in real-mode DOS environment, uses VGA 320x200 graphics and digitized
  sounds/music. Allows to select several languages for in-game subtitles. It is
  rumored that bootleg Russian translation also exists. Has 3 predefined slots
  for game save/load. Uses two different video codecs for HNM files.

- MAC version. Almost identical to PC version. Has slightly modified UI. Such
  as exta spaces on the inventory bar, resized subtitles overlay and different
  implementation of mouse cursor (which is worse than the original one). Looks
  like screen transition effects are also changed / rearranged. Also comes with
  updated game script.
  This version has no limit on save game slots. Standard system file selection
  dialogs are used instead. All screen hot-spots coordinates loaded from the
  main resource file instead of hard-coded values used in PC version.

- 3DO version. Uses completely different resource formats.

- CDI version. Uses completely different resource formats.

- CD32 version. Mentioned in PC demo version, but never released?


This reimplementation project is based on MAC version, since it's much easier
to work with than any other versions.

At this moment Mac version of the game is fully playabe/completeable. List of
currently discovered bugs can be found in bugs.txt file. None of those are
critical or game-breaking. Only single game save/load slot is supported and
saves are not cross-platform compatible. Also, no game restart feature work
due to the way it's implemented.

PC versions (Demo and Full) are supported as well, but have a number of more
severe glitches.

Because of limited development environment, this code is only tested on
MSVS2013 32-bit compiler. There may be some issues with GCC/LLVM compilers
or on 64-bit platforms. As mentioned above, this code is neither pretty or
bug-free (aka it's a can of worms). Several original bugs, various oddities
and problematic areas are marked with TODO comment in the source code. There
are number of variables with non-descripitve names like byte_1234, those
purpose is yet to be clearly understood. To make code debugging easier,
some commands have been added in the debugger. Some parts, like image
drawing routines, can be simplified/generalized.

Because parts of this code (mainly decompression and video playback) used
by other Cryo's games, it might be worthy to make them reusable by future
engines.