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%%%%%%%%%%%%%%%%%%%%%%%% othello.sty %%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Othello package written by Michiel le Comte michiel.le.comte@zonnet.nl
% This package has been created using (mutilating?) the Go package written by
% Hanna Kolodziejska (version 0.05 : November 1991) as basis
% Remark: if someone can fix a switch in the pos thingie, please notify me.
% A nicer metafont definition for the letter X and C (ot1neu.mf, digit[10] and
% digit[11]) is also welcome.
%
% For a short introduction how to use this package, look at the othello.tex file,
% it contains a short manual at the end.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\catcode`@=11
\newbox\@gobox \newdimen\@godimen
\def\gofontsize#1{
\font\gofont=ot#1 at #1truept
\font\blackfontOne=ot1bla#1 at #1truept
\font\whitefontOne=ot1whi#1 at #1truept
\font\neutralfontOne=ot1neu#1 at #1truept
\ifnum #1=10 \font\letterfont=cmr10 at 10truept\else
\ifnum #1=15 \font\letterfont=cmr10 at 14.4truept\else
\ifnum #1=20 \font\letterfont=cmr10 at 17.28truept\fi\fi\fi
\setbox\@gobox=\hbox{\gofont\char0}
\@godimen=\wd\@gobox
}
\gofontsize{10} % initialization <---
\def\newgoline{\hfill\break}
\def\empty{\gofont\char1}
\def\lftborder{\gofont\char2}
\def\rtborder{\gofont\char3}
\def\topborder{\gofont\char4}
\def\botborder{\gofont\char5}
\def\lfttopcorner{\gofont\char6}
\def\rttopcorner{\gofont\char7}
\def\lftbotcorner{\gofont\char8}
\def\rtbotcorner{\gofont\char9}
\newcount\n
\newcount\@beglet \newcount\@endlet
\newcount\@lettercount
\def\@letternumber#1{\relax
\ifx #1a\@lettercount=1\else
\ifx #1b\@lettercount=2\else
\ifx #1c\@lettercount=3\else
\ifx #1d\@lettercount=4\else
\ifx #1e\@lettercount=5\else
\ifx #1f\@lettercount=6\else
\ifx #1g\@lettercount=7\else
\ifx #1h\@lettercount=8\else
\ifx #1i\@lettercount=9\else
\errmessage{Row label must be letter!}
\fi\fi\fi\fi\fi\fi\fi\fi\fi
}
\def\inidiagram#1-#2:#3-#4 {\relax
\ifnum #3>#4 \errmessage{Invalid column numbers!} \fi
\@letternumber{#1} \@beglet=\@lettercount
\@letternumber{#2} \@endlet=\@lettercount
\def\@inirow##1##2{{\n=#3
\loop
\expandafter\let\csname @##1\romannumeral\n \endcsname=0\relax
\edef\@@inirow{\global
\def\csname @##1\romannumeral\n \endcsname{##2}}\@@inirow
\ifnum \n<#4 \advance \n by 1
\repeat
}}\relax
\loop
\ifcase\@beglet\relax\or
\@inirow{a}{\topborder}\relax
\ifnum #3=1 \global\def\@ai{\lfttopcorner}\fi
\ifnum #4=9 \global\def\@aix{\rttopcorner}\fi \or
\@inirow{b}{\empty}\relax
\ifnum #3=1 \global\def\@bi{\lftborder}\fi
\ifnum #4=9 \global\def\@bix{\rtborder}\fi \or
\@inirow{c}{\empty}\relax
\ifnum #3=1 \global\def\@ci{\lftborder}\fi
\ifnum #4=9 \global\def\@cix{\rtborder}\fi \or
\@inirow{d}{\empty}\relax
\ifnum #3=1 \global\def\@di{\lftborder}\fi
\ifnum #4=9 \global\def\@dix{\rtborder}\fi \or
\@inirow{e}{\empty}
\ifnum #3=1 \global\def\@ei{\lftborder}\fi
\ifnum #4=9 \global\def\@eix{\rtborder}\fi \or
\@inirow{f}{\empty}
\ifnum #3=1 \global\def\@fi{\lftborder}\fi
\ifnum #4=9 \global\def\@fix{\rtborder}\fi \or
\@inirow{g}{\empty}
\ifnum #3=1 \global\def\@gi{\lftborder}\fi
\ifnum #4=9 \global\def\@gix{\rtborder}\fi \or
\@inirow{h}{\empty}
\ifnum #3=1 \global\def\@hi{\lftborder}\fi
\ifnum #4=9 \global\def\@hix{\rtborder}\fi \or
\@inirow{i}{\botborder}
\ifnum #3=1 \global\def\@ii{\lftbotcorner}\fi
\ifnum #4=9 \global\def\@iix{\rtbotcorner}\fi
\fi
\ifnum \@beglet<\@endlet \advance \@beglet by 1
\repeat
}
\def\inifulldiagram{\inidiagram a-i:1-9 }
\inifulldiagram % initialization
\def\showdiagram#1-#2:#3-#4 {\vbox{\offinterlineskip\noindent
\ifnum #3>#4 \errmessage{Invalid column numbers!} \fi
\hsize=\@godimen
\n=#4\advance\n by-#3\advance\n by1
\multiply\hsize by\n
\@letternumber{#1} \@beglet=\@lettercount
\@letternumber{#2} \@endlet=\@lettercount
\def\@showrow##1{{\n=#3
\loop
\edef\@@showrow{\csname @##1\romannumeral\n \endcsname}\@@showrow
\ifnum \n<#4 \advance \n by 1
\repeat
}}\relax
\loop
\ifcase\@beglet\relax\or
\@showrow{a}\or
\@showrow{b}\or
\@showrow{c}\or
\@showrow{d}\or
\@showrow{e}\or
\@showrow{f}\or
\@showrow{g}\or
\@showrow{h}\or
\@showrow{i}
\fi
\ifnum \@beglet<\@endlet
\newgoline \advance \@beglet by 1
\repeat
}}
\def\showfulldiagram{\showdiagram a-i:1-9 }
\def\pos#1#2=#3#4{\relax
\ifcat #1a\relax \else \errmessage{Row label must be a letter!}\fi
\ifnum #2<1 \errmessage{Column number less than 1?}\fi
\ifnum #2>9 \errmessage{Column number greater than 9?}\fi
\edef\@fourth{#4}\relax
\ifx .#4\ifx #3\empty\edef\@fourth{}\else \edef\@fourth{0}\fi\fi
\edef\@borders{\relax
\ifx #1a \ifnum #2=1 \gofont\char6 \else
\ifnum #2=9 \gofont\char7 \else
\gofont\topborder
\fi\fi
\else
\ifx #1i \ifnum #2=1 \gofont\char17 \else
\ifnum #2=9 \gofont\char18 \else
\gofont\char14 \fi\fi
\else
\ifnum #2=1 \lftborder
\else
\ifnum #2=9 \gofont\char12
\else
\gofont\char1
\fi\fi\fi\fi
}\relax
\expandafter\let\csname @#1\romannumeral#2\endcsname=0\relax
\edef\@pos{\def\csname @#1\romannumeral#2\endcsname{#3{\@fourth}}}\@pos
\ignorespaces
}
\newcount\nr
\def\black#1{\relax
\ifx \triangle#1{\rlap{\triangle}\@borders}\else
\ifx \square#1{\rlap{\square}\@borders}\else
\ifnum #1<0 \errmessage{Negative White's move?}\else
\ifnum #1>64 \errmessage{White's move too big!}\else
\ifnum #1<65 {\blackfontOne\rlap{\char#1}\@borders}\fi\fi\fi\fi\fi}
\def\white#1{\relax
\ifx \triangle#1{\rlap{\triangle}\@borders}\else
\ifx \square#1{\rlap{\square}\@borders}\else
\ifnum #1<0 \errmessage{Negative White's move?}\else
\ifnum #1>64 \errmessage{White's move too big!}\else
\ifnum #1<65 {\whitefontOne\rlap{\char#1}\@borders}\fi\fi\fi\fi\fi}
\def\neutral#1{\relax
\ifx \triangle#1{\rlap{\triangle}\@borders}\else
\ifx \square#1{\rlap{\square}\@borders}\else
\ifnum #1<0 \errmessage{A negative move?}\else
\ifnum #1>66 \errmessage{There are only 64 moves to make!}\else
\ifnum #1<67 {\neutralfontOne\rlap{\char#1}\@borders}\fi\fi\fi\fi\fi}
\def\textblack#1{\def\@borders{\hskip\wd\@gobox}\relax
\ifx .#1\lower.2\wd\@gobox\hbox{\black{0}}\else
\lower.2\wd\@gobox\hbox{\black{#1}}\fi}
\def\textwhite#1{\def\@borders{\hskip\wd\@gobox}\relax
\ifx .#1\lower.2\wd\@gobox\hbox{\white{0}}\else
\lower.2\wd\@gobox\hbox{\white{#1}}\fi}
\newbox\@letterbox \newdimen\@letterdim
\catcode`@=12
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