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%%%
% Squaro
%%%
\setKVdefault[Squaro]{Solution=false,Longueur=8,Largeur=8,Echelle=8mm,Nom=Jeu1,Graines=false}
\defKV[Squaro]{Graine=\setKV[Squaro]{Graines}}%

\NewDocumentCommand\SquarO{o}{%
  \useKVdefault[Squaro]%
  \setKV[Squaro]{#1}%
  \BuildSquaro%
}%

\def\BuildSquarobase{%
  numeric Longueur,Largeur;
  Longueur=\useKV[Squaro]{Longueur};
  Largeur=\useKV[Squaro]{Largeur};
  boolean Solution,Graines;
  Solution=\useKV[Squaro]{Solution};
  Graines=\useKV[Squaro]{Graines};
  if Graines:
  randomseed:=\useKV[Squaro]{Graine};
  fi;
  %
  u:=\useKV[Squaro]{Echelle};
  %
  p:=0;
  pair A[];%centre des carrés.
  boolean Allume[][];
}

\NewDocumentCommand\BuildSquaro{}{%
  \ifluatex
  \mplibforcehmode
  \begin{mplibcode}
    \BuildSquarobase
    for k=0 upto Longueur-1:
    for l=0 upto Largeur-1:
    p:=p+1;
    A[p]=u*(k,-l);
    trace (unitsquare scaled u) shifted A[p];
    endfor;
    endfor;

    for k=0 upto Largeur:
    for l=0 upto Longueur:
    m:=uniformdeviate(1);
    if m<0.5:
    Allume[k][l]=true;
    fill cercles(u*(l,-k+1),1mm) if Solution=false:withcolor white fi;
    else:
    Allume[k][l]=false;
    fill cercles(u*(l,-k+1),1mm) withcolor white;
    fi;
    trace cercles(u*(l,-k+1),1mm);
    endfor;
    endfor;

    for k=0 upto Largeur-1:
    for l=0 upto Longueur-1:
    Retiens:=0;
    if Allume[k][l]:Retiens:=Retiens+1 fi;
    if Allume[k][l+1]:Retiens:=Retiens+1 fi;
    if Allume[k+1][l]:Retiens:=Retiens+1 fi;
    if Allume[k+1][l+1]:Retiens:=Retiens+1 fi;
    label(TEX(decimal(Retiens)),u*(l+0.5,-k+0.5));
    endfor;
    endfor;
  \end{mplibcode}
  \else
  \begin{mpost}[mpsettings={\BuildSquarobase}]
    for k=0 upto Longueur-1:
    for l=0 upto Largeur-1:
    p:=p+1;
    A[p]=u*(k,-l);
    trace (unitsquare scaled u) shifted A[p];
    endfor;
    endfor;

    for k=0 upto Largeur:
    for l=0 upto Longueur:
    m:=uniformdeviate(1);
    if m<0.5:
    Allume[k][l]=true;
    fill cercles(u*(l,-k+1),1mm) if Solution=false:withcolor white fi;
    else:
    Allume[k][l]=false;
    fill cercles(u*(l,-k+1),1mm) withcolor white;
    fi;
    trace cercles(u*(l,-k+1),1mm);
    endfor;
    endfor;

    for k=0 upto Largeur-1:
    for l=0 upto Longueur-1:
    Retiens:=0;
    if Allume[k][l]:Retiens:=Retiens+1 fi;
    if Allume[k][l+1]:Retiens:=Retiens+1 fi;
    if Allume[k+1][l]:Retiens:=Retiens+1 fi;
    if Allume[k+1][l+1]:Retiens:=Retiens+1 fi;
    label(LATEX(decimal(Retiens)),u*(l+0.5,-k+0.5));
    endfor;
    endfor;
  \end{mpost}
 \fi
}%