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\begin{document}

\begin{center}
\Large{\textbf{Enigma Level API II}} \\
\large{\textbf{Syntax sheet with examples}} \\
\small{Compiled from Enigma 1.21 reference manual by Raoul}
\end{center}

\begin{center}
\rule{0.8\linewidth}{0.25pt}
\end{center}

\section*{Position}

\subsection*{Position Addition and Subtraction}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = pos <+|-> <pos | obj | cpos | polist>
result = <pos | obj | cpos | polist> <+|-> pos
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newpos = po(3, 4) + {1, 2}              -- = po(4, 6)
newpos = myobject - po(1, 5)
newpolist = po(2, 3) + NEIGHBORS_4      -- po(1, 3) .. po(2, 4) .. po(3, 3) .. po(2, 2)
newpolist = po["myfloor#*"] - po(3, 0)
\end{verbatim}
\end{minipage}

\subsection*{Position Multiplication and Division}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = pos <*|/> number
result = number * pos
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newpos = 3 * po(3, 4)   -- = po(9, 12)
newpos = po(2, 3) / 2   -- = po(1, 1.5)
\end{verbatim}
\end{minipage}

\subsection*{Position Sign}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = -pos
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newpos = -po(3, 4)   -- = po(-3, -4)
\end{verbatim}
\end{minipage}

\subsection*{Center}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = #pos
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newpos = #po(3, 4)   -- = po(3.5, 4.5)
\end{verbatim}
\end{minipage}

\subsection*{Position Comparison}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = pos1 <==|~=> pos2
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
bool = po(3, 4) == po({3, 4})  -- = true
bool = po(3, 4) == po(4, 3)    -- = false
bool = po(3, 4) ~= po(4, 3)    -- = true
\end{verbatim}
\end{minipage}

\subsection*{Position Concatenation}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = pos1 .. <pos2 | polist>
result = <pos1 | polist> .. pos2
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newpolist = po(3, 4) .. po(4, 4)
\end{verbatim}
\end{minipage}

\subsection*{Position Coordinate Access}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = pos["x"]
result = pos["y"]
result1, result2 = pos:xy()
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
number = po(3, 4)["x"]            -- = 3
number = po(3, 4).x               -- = 3
number = po(3, 4)["y"]            -- = 4
number = po(3, 4).y               -- = 4
number1, number2 = po(3, 4):xy()  -- = 3, 4
\end{verbatim}
\end{minipage}

\subsection*{Position Grid Rounding}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = pos:grid()
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newpos = po(3.2, 4.7):grid()    -- = 3, 4
newpos = po(-2.4, -5.0):grid()  -- = -3, -5
\end{verbatim}
\end{minipage}

\subsection*{Position Existence}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = pos:exists()
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
boolean = po(3.2, 4.7):exists()
\end{verbatim}
\end{minipage}

\begin{center}
\rule{0.8\linewidth}{0.25pt}
\end{center}

\section*{Object}

\subsection*{Object Attribute Access}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = obj["attributename"]
obj["attributename"] = value
obj:set({attributename1=value1, attributename2=value2, ...})
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
value = obj["color"]
value = obj.color
obj["color"] = BLACK
obj.color = BLACK
obj:set({target=mydoor, action="open"})
\end{verbatim}
\end{minipage}

\subsection*{Object Messaging}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = obj:message("msg", value)
result = obj:msg(value)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
value = obj:message("open")
value = obj:open()
value = obj:message("signal", 1)
value = obj:signal(1)
\end{verbatim}
\end{minipage}

\subsection*{Object Comparison}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = obj1 <==|~=> obj2
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
bool = obj1 == obj1  -- = true
bool = obj1 == obj2  -- = false, if two different objects
bool = obj1 ~= obj2  -- = true, if two different objects
\end{verbatim}
\end{minipage}

\subsection*{Object Existence}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = -obj
result = obj:exists()
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
bool = -obj
bool = obj:exists()
\end{verbatim}
\end{minipage}

\subsection*{Object Kill}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
obj:kill()
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
obj:kill()
\end{verbatim}
\end{minipage}

\subsection*{Object Kind Check}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = obj:is("kind")
result = obj:kind()
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
bool = obj:is("st_chess")
string = obj:kind()
\end{verbatim}
\end{minipage}

\subsection*{Object Coordinate Access}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = obj["x"]
result = obj["y"]
result1, result2 = obj:xy()
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
number = obj["x"]
number = obj.x
number = obj["y"]
number = obj.y
number1, number2 = obj:xy()
\end{verbatim}
\end{minipage}

\subsection*{Object Addition and Subtraction}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = obj <+|-> <pos | obj | cpos | polist>
result = <pos | obj | cpos | polist> <+|-> obj
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newpos = obj + {1, 2}
newpos = myobject - obj
newpolist = obj + NEIGHBORS_4
newpolist = po["myfloor#*"] - obj
\end{verbatim}
\end{minipage}

\subsection*{Object Center}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = #obj
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newpos = #obj   -- e.g. po(3.5, 4.5)
\end{verbatim}
\end{minipage}

\subsection*{Object Join}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = obj + group
result = group + obj
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newgroup = obj1 + grp(obj2, obj3, obj1)   -- = grp(obj1, obj2, obj3)
newgroup = grp(obj2, obj3) + obj1         -- = grp(obj2, obj3, obj1)
\end{verbatim}
\end{minipage}

\subsection*{Object Intersection}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = obj * group
result = group * obj
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newgroup = obj1 * grp(obj1, obj2)  -- = grp(obj1)
newgroup = grp(obj2) * obj1         -- = grp()
\end{verbatim}
\end{minipage}

\subsection*{Object Difference}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = obj - group
result = group - obj
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newgroup = obj1 - grp(obj2, obj1)  -- = grp()
newgroup = grp(obj1, obj2) - obj1  -- = grp(obj2)
\end{verbatim}
\end{minipage}

% too rarely used, see refman for details
% \subsection*{Object Sound}
% \begin{minipage}[t]{0.5\textwidth}
% \begin{verbatim}
% result = obj:sound("name", volume)
% \end{verbatim}
% \end{minipage}
% \noindent
% \begin{minipage}[t]{0.5\textwidth}
% \begin{verbatim}
% obj:sound("quake")
% obj:sound("quake", 2)
% \end{verbatim}
% \end{minipage}

\begin{center}
\rule{0.8\linewidth}{0.25pt}
\end{center}

\section*{Group}

\subsection*{Group Messaging}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = group:message("msg", value)
result = group:msg(value)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
value = group:message("open")
value = group:open()
value = group:message("signal", 1)
value = group:signal(1)
value = group:kill()
\end{verbatim}
\end{minipage}

\subsection*{Group Attribute Write}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
group["attributename"] = value
group:set({attributename1=value1, attributename2=value2, ...})
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
group["color"] = BLACK
group.color = BLACK
group:set({target=mydoor, action="open"})
\end{verbatim}
\end{minipage}

\subsection*{Group Comparison}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = group1 <==|~=> group2
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
bool = grp(obj1, obj2) == grp(obj2, obj1)  -- = true
bool = grp(obj1, obj2) == grp(obj1, obj3)  -- = false, if different object contents
bool = grp(obj1) ~= grp(obj2, obj1)        -- = true, if different object contents
\end{verbatim}
\end{minipage}

\subsection*{Group Length}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = #group
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
number = #grp(obj1, obj2)         -- = 2
for i = 1, #group do obj = group[i] ... end
\end{verbatim}
\end{minipage}

\subsection*{Group Member Access}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = group[index]
result = group[obj]
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
object = grp(obj1, obj2)[2]     -- = obj2
object = grp(obj1, obj2)[-1]    -- = obj2
object = grp(obj1, obj2)[0]     -- = NULL object
for i = 1, #group do obj = group[i] ... end
number = grp(obj1, obj2)[obj2]  -- = 2
number = grp(obj1, obj2)[obj3]  -- = nil
\end{verbatim}
\end{minipage}

\subsection*{Group Loop}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
for obj in group do ... end
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
for obj in group do obj:toggle() end
\end{verbatim}
\end{minipage}

\subsection*{Group Join}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = group + <obj | group>
result = <obj | group> + group
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newgroup = obj1 + grp(obj2, obj3, obj1)   -- = grp(obj1, obj2, obj3)
newgroup = grp(obj2, obj3) + grp(obj1, obj3)   -- = grp(obj2, obj3, obj1)
\end{verbatim}
\end{minipage}

\subsection*{Group Intersection}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = <obj | group> * group
result = group * <obj | group>
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newgroup = obj1 * grp(obj2, obj1)  -- = grp(obj1)
newgroup = grp(obj1, obj2) * grp(obj2, obj1, obj3)  -- = grp(obj1, obj2)
\end{verbatim}
\end{minipage}

\subsection*{Group Difference}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = <obj | group> - group
result = group - <obj | group>
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newgroup = obj1 - grp(obj2, obj1)  -- = grp()
newgroup = grp(obj1, obj2, obj3) - grp(obj2, obj4)  -- = grp(obj1, obj3)
\end{verbatim}
\end{minipage}

\subsection*{Group Shuffle}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = group:shuffle()
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newgroup = grp(obj1, obj2)
\end{verbatim}
\end{minipage}

\subsection*{Group Sorting}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = group:sort("circular")
result = group:sort("linear" <, direction>)
result = group:sort()
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newgroup = grp(obj1, obj2, obj3):sort("linear", po(2,1))
newgroup = grp(obj1, obj2, obj3):sort("circular")
newgroup = grp(obj1, obj2, obj3):sort()
\end{verbatim}
\end{minipage}

\subsection*{Group Subset}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = group:sub(number)
result = group:sub(start, end)
result = group:sub(start, -number)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newgroup = grp(obj1, obj2, obj3, obj4):sub(2)     -- = grp(obj1, obj2)
newgroup = grp(obj1, obj2, obj3, obj4):sub(-2)    -- = grp(obj3, obj4)
newgroup = grp(obj1, obj2, obj3, obj4):sub(2, 4)  -- = grp(obj2, obj3, obj4)
newgroup = grp(obj1, obj2, obj3, obj4):sub(2, -2) -- = grp(obj2, obj3)
\end{verbatim}
\end{minipage}

\subsection*{Group Nearest Object}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = group:nearest(obj)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newobject = grp(obj1, obj2, obj3):nearest(obj4)
\end{verbatim}
\end{minipage}

\begin{center}
\rule{0.8\linewidth}{0.25pt}
\end{center}

\section*{NamedObjects}

\subsection*{NamedObjects Repository Request}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = no["name"]
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
obj = no["mydoor"]       -- exact name match
group = no["mydoors#*"]  -- any suffix
group = no["mydoor?"]    -- just one char suffix
group = no["mydoors?#*"] -- matches e.g. "mydoorsA#123435", "mydoorsB#1213"
\end{verbatim}
\end{minipage}

\subsection*{NamedObjects Object Naming}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
no["name"] = obj
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
no["myobject"] = obj
\end{verbatim}
\end{minipage}

\begin{center}
\rule{0.8\linewidth}{0.25pt}
\end{center}

\section*{PositionList}

\subsection*{PositionList Comparison}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = polist1 <==|~=> polist2
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
bool = (po(2,3).. po(5,7)) == (po(2,3) .. po(5,7))  -- = true
bool = (po(2,3).. po(5,7)) == (po(4,0) .. po(5,7))  -- = false, different positions
bool = (po(2,3).. po(5,7)) == (po(5,7) .. po(2,3))  -- = false, different sequence
\end{verbatim}
\end{minipage}

\subsection*{PositionList Length}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = #polist
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
number = #(po(2,3) .. po(5,7)) -- = 2
for i = 1, #polist do pos = polist[i] ... end
\end{verbatim}
\end{minipage}

\subsection*{PositionList Member Access}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = group[index]
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
pos = (po(2,3) .. po(5,7))[2]     -- = po(5,7)
pos = (po(2,3) .. po(5,7))[-1]    -- = po(5,7)
pos = (po(2,3) .. po(5,7))[0]     -- = nil
for i = 1, #polist do pos = polist[i] ... end
\end{verbatim}
\end{minipage}

\subsection*{PositionList Concatenation}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = polist1 .. <pos | polist2>
result = <pos | polist1> .. polist2
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newpolist = po(po(2,3), po(5,7)) .. po(4, 4) -- = (2,3),(5,7),(4,4)
\end{verbatim}
\end{minipage}

\subsection*{PositionList Translation}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = polist <+|-> <pos | obj | cpos>
result = <pos | obj | cpos> <+|-> polist
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newpolist = po(2, 3) + NEIGHBORS_4      -- po(1, 3) .. po(2, 4) .. po(3, 3) .. po(2, 2)
newpolist = po["myfloor#*"] - po(3, 0)
\end{verbatim}
\end{minipage}

\subsection*{PositionList Stretching}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = polist * number
result = number * polist
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newpolist = 2 * NEIGHBORS_4              -- = po(9, 12)
newpolist = (po(2,4) .. po(6,7)) * 1/2   -- = (1, 2), (3, 3.5)
\end{verbatim}
\end{minipage}

\begin{center}
\rule{0.8\linewidth}{0.25pt}
\end{center}

\section*{Positions Repository}

\subsection*{Positions Repository Request}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = po["name"]
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
pos = po["mydoor"]        -- exact name match
polist = po["mydoors#*"]  -- any suffix
polist = po["mydoor?"]    -- just one char suffix
polist = po["mydoors?#*"] -- matches e.g. "mydoorsA#123435", "mydoorsB#1213"
\end{verbatim}
\end{minipage}

\subsection*{Positions Repository Storage}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
po["name"] = obj
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
po["mypos"] = pos
\end{verbatim}
\end{minipage}

\subsection*{Position Convertion}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = po(<obj | pos | {x,y} | x,y>)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
pos = po(pos2)
pos = po(obj)
pos = po({2, 4})
pos = po(3, 7)
\end{verbatim}
\end{minipage}

\subsection*{PositionList Convertion}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = po(group | {pos1, pos2, pos3})
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
polist = po(group)
polist = po({po(3, 7), po(2, 6)})
\end{verbatim}
\end{minipage}

\begin{center}
\rule{0.8\linewidth}{0.25pt}
\end{center}

\section*{Tile and Object Declaration}

\subsection*{Tile concat}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = tile .. <tile | odecl>
result = <tile | odecl> .. tile
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newtile = ti{st_chess"} .. {"fl_sahara"}
newtile = ti{st_chess"} .. {"fl_sahara"} .. {"it_cherry"}   -- Lua error due to right to left evaluation
newtile = (ti{st_chess"} .. {"fl_sahara"}) .. {"it_cherry"} -- evaluation order fixed
newtile = ti{st_chess"} .. {"fl_sahara"} .. ti{"it_cherry"} -- converted one of the two critical declarations
\end{verbatim}
\end{minipage}

\begin{center}
\rule{0.8\linewidth}{0.25pt}
\end{center}

\section*{Tiles Repository}

\subsection*{Tiles Storage}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
ti["key"] = <tile | odecl>
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
ti["#"] = tile
ti["$"] = {st_chess"}
ti["$"] = {st_switch"}   -- error of key reassignment
ti["anykey"] = {st_chess"}
\end{verbatim}
\end{minipage}

\subsection*{Tiles Request}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = ti["key"]
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
tile = ti["#"]
\end{verbatim}
\end{minipage}

\subsection*{Tile Convertion}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = ti(odecl)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
tile = ti({"st_chess"})
\end{verbatim}
\end{minipage}

\begin{center}
\rule{0.8\linewidth}{0.25pt}
\end{center}

\section*{World}

\subsection*{World Creation}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
width, height = wo(topresolver, defaultkey, map)
width, height = wo(topresolver, libmap)
width, height = wo(topresolver, defaultkey, width, height)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
w, h = wo(ti, "  ", 20, 13)
w, h = wo(resolver, " ", {
       "                    ",
       ...
       "                    "})
w, h = wo(ti, mylibmap)
\end{verbatim}
\end{minipage}

\subsection*{add}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo:add(tile_declarations)
wo:add(target, tile_declarations)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo:add({"ot_rubberband", anchor1="a1", anchor2="w", length=2, strength=80, threshold=0})
wo:add(ti["r"] .. {"ot_wire", anchor1="w1", anchor2="w2"})
wo:add(YIN, {"it_magicwand})
wo:add(no["mybag"], {"it_magicwand} .. ti["h"] .. ti["c"])
\end{verbatim}
\end{minipage}

\subsection*{World Tile Set}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo[<object | position | table | group | polist>] = tile_declarations
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo[no["myobjectname"]] = {"st_chess"}
wo[po(3, 4)] = ti["x"]
wo[{2, 5}] = ti["x"] .. ti["y"]
wo[no["floorgroup#*"]] = {"it_burnable_oil"}
wo[no["myobjectname"] + NEIGHBORS_4] = ti["x"]
\end{verbatim}
\end{minipage}

\subsection*{Global Attribute Set}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo["attritbutename"] = value
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo["ConserveLevel"] = true
\end{verbatim}
\end{minipage}

\subsection*{Global Attribute Get}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
var = wo["attritbutename"]
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
var = wo["IsDifficult"]
\end{verbatim}
\end{minipage}

\subsection*{drawBorder}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo:drawBorder(upperleft_edge, lowerright_edge, <tile | key, resolver>)
wo:drawBorder(upperleft_edge, width, height, <tile | key, resolver>)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo:drawBorder(po(0, 0), wo["Width"], wo["Height"], ti["#"])
wo:drawBorder(no["myRectUL"], no["myRectLR"], {"st_grate1"})
wo:drawBorder(no["myRectUL"], no["myRectLR"], {"fl_water"} .. ti["X"])
wo:drawBorder(no["myRectUL"], no["myRectLR"], "x", myresolver)
\end{verbatim}
\end{minipage}

\subsection*{drawMap}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo:drawMap(resolver, anchor, ignore, map, [readdir])
wo:drawMap(resolver, anchor, libmap-map, [readdir])
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo:drawMap(ti, po(5, 7), "-", {"abcabc"})
wo:drawMap(ti, anchor_object, "--", {"--##--##","##--##"})
wo:drawMap(ti, {12, 5}, " ", {"122  221"}, MAP_ROT_CW)
\end{verbatim}
\end{minipage}

\subsection*{drawRect}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo:drawRect(upperleft_edge, lowerright_edge, <tile | key, resolver>)
wo:drawRect(upperleft_edge, width, height, <tile | key, resolver>)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo:drawRect(po(0, 0), wo["Width"], wo["Height"], ti[" "])
wo:drawRect(no["myRectUL"], no["myRectLR"], {"fl_water"})
wo:drawRect(no["myRectUL"], no["myRectLR"], {"fl_water"} .. ti["#"])
wo:drawRect(no["myRectUL"], no["myRectLR"], "x", myresolver)
\end{verbatim}
\end{minipage}

\subsection*{world floor}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = wo:fl(<pos| {x,y} | x,y | obj | group | polist>)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
use fl(...) instead
\end{verbatim}
\end{minipage}

\subsection*{world item}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = wo:it(<pos | {x,y} | x,y | obj | group | polist>)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
use it(...) instead
\end{verbatim}
\end{minipage}

\subsection*{shuffleOxyd}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo:shuffleOxyd(rules)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
wo:shuffleOxyd()
wo:shuffleOxyd({no["borderoxyds#*"]:sort("circular"), circular=true})
wo:shuffleOxyd({"leftoxyds#*","rightoxyds#*", min=3}, {"islandoxyds#*", max=0})
\end{verbatim}
\end{minipage}

\subsection*{world stone}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = wo:st(<pos | {x,y} | x,y | obj | group | polist>)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
use st(...) instead
\end{verbatim}
\end{minipage}

\begin{center}
\rule{0.8\linewidth}{0.25pt}
\end{center}

\section*{Functions}

\subsection*{cond}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
cond(condition, iftrue, iffalse)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
ti["x"] = cond(wo["IsDifficult"], {"st_death"}, ti["#"])
ti["D"] = cond(wo["IsDifficult"], {"st_death"}, {"nil"})
\end{verbatim}
\end{minipage}

\subsection*{fl}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = fl(<pos | {x,y} | x,y | obj | group| polist>)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
floor = fl(po(3, 5))
floor = fl({3, 5})
floor = fl(3, 5)
floor = fl(mystone)
group = fl(no["door#*"])
group = fl(po(3, 5)..po(4, 2))
\end{verbatim}
\end{minipage}

\subsection*{grp}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
grp(<{obj1,obj2,...} | obj1,obj2,... | group>)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
newgroup = grp(obj1, obj2, obj3)
newgroup = grp({obj1,obj2})
newgroup = grp{}            -- empty group
newgroup = grp(group)       -- a copy of group cleaned of invalid ‘NULL’ objects
\end{verbatim}
\end{minipage}

\subsection*{it}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = it(<pos | {x,y} | x,y | obj | group | polist>)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
item = it(po(3, 5))
item = it({3, 5})
item = it(3, 5)
item = it(mystone)
group = it(no["door#*"])
group = it(po(3, 5)..po(4, 2))
\end{verbatim}
\end{minipage}

\subsection*{ORI2DIR}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = ORI2DIR[orientation]
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
direction = ORI2DIR[NORTH]      -- N  = po(0, -1)
direction = ORI2DIR[SOUTHEAST]  -- SE = po(1,  1)
direction = ORI2DIR[NODIR]      --      po(0,  0)
\end{verbatim}
\end{minipage}

\subsection*{random}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = random(< | n | l,u>)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
float = random()          -- e.g. 0.402834
integer = random(20)      -- e.g. 13
integer = random(5, 10)   -- e.g. 5
\end{verbatim}
\end{minipage}

\subsection*{st}
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
result = st(<pos | {x,y} | x,y | obj | group | polist>)
\end{verbatim}
\end{minipage}
\noindent
\begin{minipage}[t]{0.5\textwidth}
\begin{verbatim}
stone = st(po(3, 5))
stone = st({3, 5})
stone = st(3, 5)
stone = st(myfloor)
group = st(no["cherry#*"])
group = st(po(3, 5)..po(4, 2))
\end{verbatim}
\end{minipage}

\begin{center}
\rule{0.8\linewidth}{0.25pt}
\end{center}

\end{document}
