[SDL] OT - A-Star pathfinder algoritm (neil at cloudsprinter.com)

[Patricia Curtis]

Hi Neil
     Try this link http://www.policyalmanac.org/games/aStarTutorial.htm , on
there somewhere there is a link to a blits basic version but in the zip
http://www.blitzcoder.com/cgi-bin/showcase/showcase_showentry.pl?id=turtle177604062002002208&comments=no
there
is c++ version too, but having gone through the code there is no ++ about it
its not doing anything clever++.

I took this code and changed the many arrays to use structs so my gcost and
acost are all in one array not many and if anyone wants my undocumented
version then please mail me

Trish
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