\newcommand{\importchapter}[2]{% Load a chapter (#2) in a path (#1)
  \cleardoublepage% after a clear double page
  \graphicspath{{#1/figures/}}% with figures
  \glsresetall% reset the acronyms
  \includefrom{#1}{#2}% and relative paths \input in the chapter
}

\usepackage{titletoc} % Local table of contents
\titlecontents{section}
[0pt] % left margin
{\bfseries} % formatting
{\thecontentslabel\quad} % label format
{} % before code
{\titlerule*[.8pc]{.}\hspace{0.2em}\contentspage} % dots and page

\titlecontents{subsection}
[2.4em] % left margin
{} % formatting
{\thecontentslabel\quad} % label format
{} % before code
{\titlerule*[.8pc]{.}\hspace{0.2em}\contentspage} % dots and page

\newcommand{\chaptertoc}{% Print the table of contents for the chapter
  \hypersetup{linkcolor=black}%
  \vspace{-1em}%
  \horizontalrule%
  \vspace{-1.5em}%
  \section*{Contents}% Add a section title
  \vspace{-0.5em}%
  \startcontents% Start referencing the contents
  \printcontents{}{1}{}% Print the contents
  \horizontalrule%
  \vspace{2em}%
}

% Add chapter label as prefix to all other sub-labels
\NewCommandCopy{\oldlabel}{\label}
\newcommand{\labelprefix}{main}
\newcommand{\mainlabel}[1]{%
  \renewcommand{\labelprefix}{#1}%
  \oldlabel{\labelprefix}%
}
\renewcommand{\label}[1]{\oldlabel{\labelprefix:#1}}

% References
\newcommand{\chapref}[1]{Chapter~\ref{#1}}
\renewcommand{\eqref}[2][\labelprefix]{Equation~\ref{#1:eq:#2}}
\renewcommand{\figref}[2][\labelprefix]{Figure~\ref{#1:fig:#2}}
\newcommand{\partref}[1]{Part~\ref{#1}}
\renewcommand{\secref}[2][\labelprefix]{Section~\ref{#1:#2}}
\renewcommand{\tabref}[2][\labelprefix]{Table~\ref{#1:tab:#2}}

\NewEnvironmentCopy{oldequation}{equation}
\RenewDocumentEnvironment{equation}{m}{%
  \begin{oldequation}%
    \label{\labelprefix:eq:#1}%
  }{%
  \end{oldequation}%
}

% Images
% example: \fig[1]{universe}{The Universe}[Additional caption text, not shown in the list of figures]
% reference later with: \figref{universe}
% 1 = \linewidth = 150 mm
\RenewDocumentCommand{\fig}{O{1} O{htbp} m m O{}}{% #1 = width, #2 = position, #3 = filename, #4 = caption, #5 = additional caption
  \begin{figure}[#2]%
    \centering%
    \includegraphics[width=#1\linewidth]{#3}%
    \caption[#4]{#4#5}
    \label{fig:#3}%
  \end{figure}%
}

\RenewDocumentCommand{\figwide}{O{1} O{htbp} m m O{}}{% #1 = width, #2 = position, #3 = filename, #4 = caption, #5 = additional caption
  \begin{sidewaysfigure}[#2]
    \centering%
    \includegraphics[width=#1\linewidth]{#3}%
    \caption[#5]{#4#5}%
    \label{fig:#3}%
  \end{sidewaysfigure}%
}

% example:
% \begin{subfigs}{label}{Fig title}[Subfig titles]
%   \subfig{subfig1}%
%   \subfig[1][htbp]{subfig2}[caption]%
% \end{subfigs}
% reference later with: \figref{label}
\RenewDocumentEnvironment{subfigs}{O{htbp} m m o}{% #1 = position, #2 = label, #3 = filename, #4 = subfig titles
  \begin{figure}[#1]%
    \centering%
  }{%
    \caption[#3]{%
      #3%
      \IfValueTF{#4}{%
        \begin{enumerate*}[label=\textbf{(\alph*)}]%
          #4%
        \end{enumerate*}%
      }%
    }%
    \label{fig:#2}%
  \end{figure}%
}

\NewDocumentCommand{\subfigsheight}{m}{% Set the height of the subfigures
  \setkeys{Gin}{height=#1}%
}

\RenewDocumentCommand{\subfig}{o O{b} m}{% #1 = width, #2 = valign, #3 = filename
  \hfill%
  \subfloat[\label{fig:#3}]{%
    \IfValueTF{#1}{%
      \includegraphics[width=#1\linewidth, valign=#2, keepaspectratio]{#3}%
    }{%
      \includegraphics[valign=#2, keepaspectratio]{#3}%
    }%
  }%
  \hfill%
}

\captionsetup{%
  labelfont={sf,bf,up}, % sans-serif, bold, upright
}

% Tables
\RenewDocumentEnvironment{tab}{O{htbp} m m O{}}{% #1 = position, #2 = label, #3 = title, #4 = additional caption
  \begin{table}[#1]%
    \centering%
    \caption[#3]{#3#4}%
    \label{tab:#2}%
  }{%
  \end{table}%
}

\RenewDocumentEnvironment{tabwide}{O{htbp} m m O{}}{% #1 = position, #2 = label, #3 = title, #4 = additional caption
  \begin{sidewaystable}[#1]%
    \centering%
    \caption{#3#4}%
    \label{tab:#2}%
  }{%
  \end{sidewaystable}%
}