Author: Anthony Cozzie
Date: 10:45:03 09/22/03
Go up one level in this thread
On September 22, 2003 at 13:27:54, Bo Persson wrote: >On September 22, 2003 at 12:54:26, Daniel Clausen wrote: > >>On September 22, 2003 at 12:14:04, Robert Hyatt wrote: >> >>[snip] >> >>>The transposition table is a natural. The opening book. The endgame tables. >>>The repetition history. The killer move list. >> >>While I agree with these suggestions for classes, I think such classes alone >>don't really make an engine OO. > >That's a matter of opinion. > >>What you basically mention so far is to replace >>"struct XYZ" with "class XYZ" and convert the functions which work with these >>structs closely (and typically take a pointer/reference to an object of XYZ) to >>member functions of the respective class. > >Yes. A very good idea. > >> >>If you do that, I'd call this a C++ engine but in the sense of a better C. > >That's the general idea of C++ in the first place. > >> I >>wouldn't call it an OO-engine though. > >Ok, I would. :-) > >>The design of the program is exactly the >>same. > >No, it is totally different. > >If you make the class' member variables protected, and collect the functions >acting on them inside the class, you have a much better abstraction. > >> >> >>>The only thing to avoid is constantly creating and destroying things. If you >>>avoid that, c++ is just as good as C. Note that Eugene's endgame probe code >>>is written in c++ with _no_ speed penalty. >> >>I didn't read that code carefully (it's not that easy to read, to say it this >>way ;) but AFAIK I'd call that "better C", not OO. > >Ok, so you are one of the "fundamentalists"? Dynamic allocations only and >everything virtual and polymorhic? > >Some of us belive that using objects is object oriented. YMMV. :-) > >> >>Sargon > >Bo Persson You are going to have a hard time convincing me that class a { public: foo1(); foo2(); }; is better than: struct a; foo1(a*, ...); foo2(a*, ...); etc. To me these are the same. If you prefer the C++ syntax, that is of course your option, of course. anthony
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