%%%
% Mots croisés
%%%
\setKVdefault[ClesCroises]{Lignes=6,Colonnes=8,Solution=false,Croises=false,Couleur=gray,Largeur=1em}

\newcounter{PfCLettreHorizontal}

\newcommand\MotsCroises[2][]{%
  \useKVdefault[ClesCroises]%
  \setKV[ClesCroises]{#1}%
  \setcounter{PfCLettreHorizontal}{0}%
  \setsepchar[*]{§*,*/}%
  \readlist*\ListeCasesCroises{#2}%
  \begin{NiceTabular}{*{\fpeval{\useKV[ClesCroises]{Colonnes}}}{p{\useKV[ClesCroises]{Largeur}}}}[first-row,first-col]%
    \xintFor* ##1 in {\xintSeq{1}{\fpeval{\useKV[ClesCroises]{Colonnes}}}}\do{%
      &\ifboolKV[ClesCroises]{Croises}{\stepcounter{PfCLettreHorizontal}\footnotesize\Alph{PfCLettreHorizontal}}{}
    }\\
    \xintFor* ##1 in {\xintSeq{1}{\fpeval{\useKV[ClesCroises]{Lignes}}}}\do{%
      \ifboolKV[ClesCroises]{Croises}{\footnotesize##1}{}\xintFor* ##2 in {\xintSeq{1}{\fpeval{\useKV[ClesCroises]{Colonnes}}}}\do{%
        &\IfStrEq{\ListeCasesCroises[##1,##2,1]}{!}{%
        }{%
          \IfStrEq{\ListeCasesCroises[##1,##2,1]}{*}{%
            \Block[draw,fill=black]{}{\PfCTBstrut}}{%
            \IfStrEq{\ListeCasesCroises[##1,##2,1]}{+}{%
              \Block[draw,fill=\useKV[ClesCroises]{Couleur}]{}{%
                \PfCTBstrut\ifboolKV[ClesCroises]{Solution}{%
                  \ListeCasesCroises[##1,##2,2]%
                }{}%
              }
            }{%
              \Block[draw]{}{\PfCTBstrut\ifboolKV[ClesCroises]{Solution}{%
                  \ListeCasesCroises[##1,##2,2]}{}%
              }%
            }%
          }%
        }%
      }\\
    }%
    \CodeAfter
    \xintFor* ##1 in {\xintSeq{1}{\fpeval{\useKV[ClesCroises]{Lignes}}}}\do{%
      \xintFor* ##2 in {\xintSeq{1}{\fpeval{\useKV[ClesCroises]{Colonnes}}}}\do{%
        \IfStrEq{\ListeCasesCroises[##1,##2,1]}{!}{%
        }{%
          \IfStrEq{\ListeCasesCroises[##1,##2,1]}{*}{%
          }{%
            \IfStrEq{\ListeCasesCroises[##1,##2,1]}{+}{%
            }{%
              \xintifboolexpr{\fpeval{\ListeCasesCroises[##1,##2,1]}>0}{\tikz\node[transform canvas={xshift=1mm,yshift=-1mm}] at (\fpeval{##1}-|\fpeval{##2}){\tiny\ListeCasesCroises[##1,##2,1]};}{}%
            }%
          }%
        }%
      }%
    }%
  \end{NiceTabular}%
  \setsepchar{,}%
}%