From 2e2ea4b49f9f3101b4e09b77cd33fefc93c9c3cf Mon Sep 17 00:00:00 2001
From: Philipp Gesang <pgesang@ix.urz.uni-heidelberg.de>
Date: Sun, 15 Aug 2010 01:39:09 +0200
Subject: drawing Wolfram automata (inefficient)

---
 simpleslides-s-Automaton.tex | 48 +++++++++++++++++++++++++++++++++++---------
 1 file changed, 38 insertions(+), 10 deletions(-)

(limited to 'simpleslides-s-Automaton.tex')

diff --git a/simpleslides-s-Automaton.tex b/simpleslides-s-Automaton.tex
index c1e3181..1fb4e08 100644
--- a/simpleslides-s-Automaton.tex
+++ b/simpleslides-s-Automaton.tex
@@ -19,9 +19,9 @@
 
 \startmodule[simpleslides-s-Automaton]
 
-\setupmodule[file=,rule=,extendxy=] % using defaults from lua config
+\setupmodule[mode=,file=,rule=,extendxy=] % using defaults from lua config
 
-\ctxlua{environment.loadluafile( "mplife" )}
+\ctxlua{environment.loadluafile( "automata" )}
 \ctxlua{mplife.slides = true}
 
 \unprotect
@@ -94,7 +94,21 @@
 
 \setupcolors[textcolor={simpleslides:textcolor}]
 
-%D Set the initial Game of Life snapshot (from file) and the rule, if given.
+%D Set the initial snapshot (from file) and the rule, if given.
+
+\doifsomethingelse{\moduleparameter{simpleslides}{mode}}
+{\ctxlua{
+mplife.setup.current.mode = "\luaescapestring{\moduleparameter{simpleslides}{mode}}"
+if mplife.setup.current.mode == "life" then
+    mplife.successive = mplife.gol_successive
+else
+    environment.loadluafile("eca")
+    mplife.successive = mplife.eca_successive
+end}}
+{\ctxlua{mplife.successive = mplife.gol_successive}}
+
+%D The number of dead cells to add left and right / before and after
+%D the initial frame.
 
 \doifsomething{\moduleparameter{simpleslides}{extendxy}}{\ctxlua
     {mplife.setup.current.extendx = tonumber("\luaescapestring{\moduleparameter{simpleslides}{extendxy}}")
@@ -106,13 +120,27 @@
 \doifsomething{\moduleparameter{simpleslides}{extendy}}{\ctxlua
     {mplife.setup.current.extendy = tonumber("\luaescapestring{\moduleparameter{simpleslides}{extendy}}") }}
 
-\doifsomething{\moduleparameter{simpleslides}{file}}{\ctxlua
-    {mplife.setup.current.file = "\luaescapestring{\moduleparameter{simpleslides}{file}}"
-     mplife.setup.current.init = gol.parse_file(mplife.setup.current.file)
-     mplife.setup.current.last = mplife.setup.current.init }}
-
-\doifsomething{\moduleparameter{simpleslides}{rule}}{\ctxlua
-    {mplife.setup.current.rule = gol.parse_rule("\luaescapestring{\moduleparameter{simpleslides}{rule}}") }}
+\doifsomething{\moduleparameter{simpleslides}{file}}{\ctxlua{
+mplife.setup.current.file = "\luaescapestring{\moduleparameter{simpleslides}{file}}"
+}}
+
+\startluacode
+if mplife.setup.current.mode == "life" then
+    mplife.setup.current.init = gol.parse_file(mplife.setup.current.file)
+    mplife.setup.current.last = mplife.setup.current.init
+else
+    mplife.setup.current.init = eca.parse_file(mplife.setup.current.file)
+    mplife.setup.current.framesize = math.floor(mplife.setup.current.aspect * mplife.setup.current.init:len())
+end
+\stopluacode
+
+\doifsomething{\moduleparameter{simpleslides}{rule}}{\ctxlua{
+if mplife.setup.current.mode == "life" then
+    mplife.setup.current.rule = gol.parse_rule("\luaescapestring{\moduleparameter{simpleslides}{rule}}") 
+else
+    mplife.setup.current.rule = eca.gen_rule(tonumber("\luaescapestring{\moduleparameter{simpleslides}{rule}}")) 
+end
+}}
 
 %D We also use \METAPOST\ to draw the horizontal and vertical page backgrounds.
 %D Backgrounds will be of solid color, the ornament gets the transparency.
-- 
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