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%%
%% This is file `nimsticks.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% nimsticks.dtx  (with options: `nimsticks')
%% Copyright (c) 2020 Peter Rowlett
%% 
%% Permission is hereby granted, free of charge, to any person obtaining a copy
%% of this software and associated documentation files (the "Software"), to deal
%% in the Software without restriction, including without limitation the rights
%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
%% copies of the Software, and to permit persons to whom the Software is
%% furnished to do so, subject to the following conditions:
%% 
%% The above copyright notice and this permission notice shall be included in all
%% copies or substantial portions of the Software.
%% 
%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
%% SOFTWARE.
%% 

\ProvidesPackage{nimsticks}[2020/07/19 nimsticks 1.1]
\RequirePackage[first=-100,last=100,seed=0]{lcg}
\RequirePackage{tikz}
\RequirePackage{ifthen}
\@ifundefined{drawnimstick}{}
    {\PackageWarning{nimsticks}{Command `drawnimstick' already defined}}
\@ifundefined{nimgame}{}
    {\PackageWarning{nimsticks}{Command `nimgame' already defined}}
\@ifundefined{listofgames}{}
    {\PackageWarning{nimsticks}{Command `listofgames' already defined}}
\@ifundefined{c@topx}{}
    {\PackageWarning{nimsticks}{Counter `topx' already defined}}
\@ifundefined{topx}{}
    {\PackageWarning{nimsticks}{Existing command `topx' conflicts with counter `topx'}}
\@ifundefined{c@botx}{}
    {\PackageWarning{nimsticks}{Counter `botx' already defined}}
\@ifundefined{botx}{}
    {\PackageWarning{nimsticks}{Existing command `botx' conflicts with counter `botx'}}
\@ifundefined{c@heap}{}
    {\PackageWarning{nimsticks}{Counter `heap' already defined}}
\@ifundefined{heap}{}
    {\PackageWarning{nimsticks}{Existing command `heap' conflicts with counter `heap'}}
\@ifundefined{c@heapindex}{}
    {\PackageWarning{nimsticks}{Counter `heapindex' already defined}}
\@ifundefined{heapindex}{}
    {\PackageWarning{nimsticks}{Existing command `heapindex' conflicts with counter `heapindex'}}
\newcommand{\drawnimstick}{%
    \rand\pgfmathsetmacro{\topx}{(\the\value{rand})/1000}%
    \rand\pgfmathsetmacro{\botx}{(\the\value{rand})/1000}%
    \begin{tikzpicture}%
         \draw[very thick] (\topx,0) -- (\botx,0.5);%
    \end{tikzpicture}%
}
\newcommand{\nimgame}[2][block]{%
    \ifthenelse{\equal{#1}{inline}}{}{\begin{center}}%
        \def\listofgames{#2}%
        \foreach \heap in \listofgames {%
            \foreach \heapindex in {1, ..., \heap} {%
                \drawnimstick\hspace{0.5mm}%
            }%
            \hspace{10mm}%
        }%
    \ifthenelse{\equal{#1}{inline}}{}{\end{center}}%
}
\endinput
%%
%% End of file `nimsticks.sty'.