copy all standard Dreambuilder mods in from the old subgame

(exactly as last supplied there, updates to these mods will follow later)

55 files changed, 2577 insertions, 0 deletions

diff --git a/nixie_tubes/LICENSE b/nixie_tubes/LICENSE
new file mode 100644
index 0000000..801d59d
--- /dev/null
+++ b/nixie_tubes/LICENSE
@@ -0,0 +1,191 @@
+(This file copied from Digilines mod)
+
+The LGPLv3 applies to all code in this project.
+The WTFPL applies to textures and any other content in this project which is
+not source code.
+
+=============================================================
+
+GNU LESSER GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+
+  This version of the GNU Lesser General Public License incorporates
+the terms and conditions of version 3 of the GNU General Public
+License, supplemented by the additional permissions listed below.
+
+  0. Additional Definitions.
+
+  As used herein, "this License" refers to version 3 of the GNU Lesser
+General Public License, and the "GNU GPL" refers to version 3 of the GNU
+General Public License.
+
+  "The Library" refers to a covered work governed by this License,
+other than an Application or a Combined Work as defined below.
+
+  An "Application" is any work that makes use of an interface provided
+by the Library, but which is not otherwise based on the Library.
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+of using an interface provided by the Library.
+
+  A "Combined Work" is a work produced by combining or linking an
+Application with the Library.  The particular version of the Library
+with which the Combined Work was made is also called the "Linked
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+  You may convey a covered work under sections 3 and 4 of this License
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+  2. Conveying Modified Versions.
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+facility refers to a function or data to be supplied by an Application
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+   function or data, the facility still operates, and performs
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+
+   b) under the GNU GPL, with none of the additional permissions of
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+  3. Object Code Incorporating Material from Library Header Files.
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+  The object code form of an Application may incorporate material from
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+   a) Give prominent notice with each copy of the object code that the
+   Library is used in it and that the Library and its use are
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+  You may convey a Combined Work under terms of your choice that,
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+   the Library is used in it and that the Library and its use are
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+   d) Do one of the following:
+
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+       recombine or relink the Application with a modified version of
+       the Linked Version to produce a modified Combined Work, in the
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+       Corresponding Source.
+
+       1) Use a suitable shared library mechanism for linking with the
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+       a copy of the Library already present on the user's computer
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+   on the Library, uncombined with any other library facilities,
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+   is a work based on the Library, and explaining where to find the
+   accompanying uncombined form of the same work.
+
+  6. Revised Versions of the GNU Lesser General Public License.
+
+  The Free Software Foundation may publish revised and/or new versions
+of the GNU Lesser General Public License from time to time. Such new
+versions will be similar in spirit to the present version, but may
+differ in detail to address new problems or concerns.
+
+  Each version is given a distinguishing version number. If the
+Library as you received it specifies that a certain numbered version
+of the GNU Lesser General Public License "or any later version"
+applies to it, you have the option of following the terms and
+conditions either of that published version or of any later version
+published by the Free Software Foundation. If the Library as you
+received it does not specify a version number of the GNU Lesser
+General Public License, you may choose any version of the GNU Lesser
+General Public License ever published by the Free Software Foundation.
+
+  If the Library as you received it specifies that a proxy can decide
+whether future versions of the GNU Lesser General Public License shall
+apply, that proxy's public statement of acceptance of any version is
+permanent authorization for you to choose that version for the
+Library.
+
+
+=============================================================
+
+
+ DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE 
+                    Version 2, December 2004 
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net> 
+
+ Everyone is permitted to copy and distribute verbatim or modified 
+ copies of this license document, and changing it is allowed as long 
+ as the name is changed. 
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE 
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
diff --git a/nixie_tubes/README.md b/nixie_tubes/README.md
new file mode 100644
index 0000000..46b6f39
--- /dev/null
+++ b/nixie_tubes/README.md
@@ -0,0 +1,33 @@
+# nixie_tubes mod 
+
+*by Vanessa Ezekowitz*
+
+This mod provides a set of classic Nixie tubes, and a set of alphanumeric 15-segment tubes similar to Burroughs B-7971, controlled by Mesecons' Digilines mod.
+
+Simply place a tube, right-click it, and set a channel.
+
+Then send a character or one of several control words to that channel from a Mesecons Lua Controller and the tube will try to display it.
+
+The classic tubes are numeric with colon and period symbols, and hence will respond to the literal numbers 0-9, and the words "colon", "period", and "off".  Any other symbol or word is ignored.
+
+The alphanumeric tubes respond to characters from the standard 7-bit ASCII character set, along with these messages:
+
+* "off", "colon" and "period" act the same as on the numeric tubes.  Note that neither a colon nor a period actually look all that great on a 15-segment
+  display, so use a classic tube for those, if you can.
+* "del" or character code 127 displays an all-on square, but without segment #15 (the bottom, chevron-shaped one).
+* "allon" or character code 128 will display an all-on square, with segment #15 lit also.
+* "cursor" or character code 129 will display just segment 15.
+
+Any unrecognized word or symbol outside the 32-129 range is ignored.
+
+The Decatron tubes respond to 0-9 and "off", same as the others, along with the following actions:
+
+* "inc" will increment the tube's current number value. If the value overflows from 9 back to 0, the tube will generate a "carry" message.
+* "dec" will decrement the current value. If the value wraps from 0 back to 9, the tube will send out a "borrow" message.
+* "get" will query the current state of the tube, responding with a single digit 0-9 or the word "off".
+
+Tubes emit a small amount of light when displaying something.
+
+Nixies can only be mounted on the floor, while Decatrons can be mounted on a wall (or a ceiling if so desired).
+
+A Decatron has a small grey spot on its internal insulator to mark the "0" position.
diff --git a/nixie_tubes/depends.txt b/nixie_tubes/depends.txt
new file mode 100644
index 0000000..2cec86e
--- /dev/null
+++ b/nixie_tubes/depends.txt
@@ -0,0 +1,2 @@
+default
+digilines
diff --git a/nixie_tubes/description.txt b/nixie_tubes/description.txt
new file mode 100644
index 0000000..e93f904
--- /dev/null
+++ b/nixie_tubes/description.txt
@@ -0,0 +1 @@
+This mod provides a set of classic Nixie tubes, and a set of alphanumeric 15-segment tubes similar to Burroughs B-7971, controlled by Mesecons' Digilines mod.
diff --git a/nixie_tubes/init.lua b/nixie_tubes/init.lua
new file mode 100644
index 0000000..97bbd68
--- /dev/null
+++ b/nixie_tubes/init.lua
@@ -0,0 +1,413 @@
+-- simple nixie tubes mod
+-- by Vanessa Ezekowitz
+
+nixie_tubes = {}
+
+local S
+if minetest.get_modpath("intllib") then
+	S = intllib.Getter()
+else
+	S = function(s) return s end
+end
+
+local nixie_types = {
+	"1",
+	"2",
+	"3",
+	"4",
+	"5",
+	"6",
+	"7",
+	"8",
+	"9",
+	"0",
+	"colon",
+	"period",
+	"off"
+}
+
+local tube_cbox = {
+	type = "fixed",
+	fixed = { -11/32, -8/16, -11/32, 11/32, 8/16, 11/32 }
+}
+
+-- the following functions based on the so-named ones in Jeija's digilines mod
+
+local reset_meta = function(pos)
+	minetest.get_meta(pos):set_string("formspec", "field[channel;Channel;${channel}]")
+end
+
+local on_digiline_receive_std = function(pos, node, channel, msg)
+	local meta = minetest.get_meta(pos)
+	local setchan = meta:get_string("channel")
+	if setchan ~= channel then return end
+	local num = tonumber(msg)
+	if msg == "colon" or msg == "period" or msg == "off" or (num and (num >= 0 and num <= 9)) then
+		minetest.swap_node(pos, { name = "nixie_tubes:tube_"..msg, param2 = node.param2})
+	end
+end
+
+local on_digiline_receive_deca = function(pos, node, channel, msg)
+
+	local meta = minetest.get_meta(pos)
+	local setchan = meta:get_string("channel")
+	if setchan ~= channel then return end
+	local tubenum = string.gsub(node.name, "nixie_tubes:decatron_", "")
+	local num = tonumber(msg)
+
+	if msg == "off" or (num and (num >= 0 and num <= 9)) then
+		minetest.swap_node(pos, { name = "nixie_tubes:decatron_"..msg, param2 = node.param2})
+
+	elseif msg == "inc" then
+		num = (tonumber(tubenum) or 0) + 1
+		if num > 9 then
+			num = 0
+			digiline:receptor_send(pos, digiline.rules.default, channel, "carry")
+		end
+		minetest.swap_node(pos, { name = "nixie_tubes:decatron_"..num, param2 = node.param2})
+
+	elseif msg == "dec" then
+		num = (tonumber(tubenum) or 0) - 1
+		if num < 0 then
+			num = 9
+			digiline:receptor_send(pos, digiline.rules.default, channel, "borrow")
+		end
+		minetest.swap_node(pos, { name = "nixie_tubes:decatron_"..num, param2 = node.param2})
+
+	elseif msg == "get" then
+		digiline:receptor_send(pos, digiline.rules.default, channel, tubenum)
+
+	end
+end
+
+-- the nodes:
+
+for _,tube in ipairs(nixie_types) do
+	local groups = { cracky = 2, not_in_creative_inventory = 1}
+	local light = LIGHT_MAX-4
+	local light2 = LIGHT_MAX-5
+	local description = S("Nixie Tube ("..tube..")")
+	local description2 = S("Decatron ("..tube..")")
+	local cathode = "nixie_tube_cathode_off.png^nixie_tube_cathode_"..tube..".png"
+	local cathode2 = "decatron_cathode_"..tube..".png"
+
+	if tube == "off" then
+		groups = {cracky = 2}
+		light = nil
+		light2 = nil
+		description = S("Nixie Tube")
+		description2 = S("Decatron")
+		cathode = "nixie_tube_cathode_off.png"
+		cathode2 = "nixie_tube_blank.png"
+	end
+
+	minetest.register_node("nixie_tubes:tube_"..tube, {
+		description = description,
+		drawtype = "mesh",
+		mesh = "nixie_tube.obj",
+		tiles = {
+			"nixie_tube_base.png",
+			"nixie_tube_backing.png",
+			cathode,
+			"nixie_tube_anode.png",
+			"nixie_tube_glass.png",
+		},
+		use_texture_alpha = true,
+		groups = groups,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		light_source = light,
+		selection_box = tube_cbox,
+		collision_box = tube_cbox,
+		on_construct = function(pos)
+			reset_meta(pos)
+		end,
+		on_receive_fields = function(pos, formname, fields, sender)
+			if (fields.channel) then
+				minetest.get_meta(pos):set_string("channel", fields.channel)
+			end
+		end,
+		digiline = {
+			receptor = {},
+			effector = {
+				action = on_digiline_receive_std
+			},
+		},
+		drop = "nixie_tubes:tube_off"
+	})
+
+	if tube ~= "colon" and tube ~= "period" then
+		minetest.register_node("nixie_tubes:decatron_"..tube, {
+			description = description2,
+			drawtype = "mesh",
+			mesh = "decatron.obj",
+			tiles = {
+				"nixie_tube_base.png",
+				"decatron_internals.png",
+				"decatron_anode.png",
+				"decatron_cathode_pins.png",
+				cathode2,
+				"nixie_tube_glass.png",
+			},
+			use_texture_alpha = true,
+			groups = groups,
+			paramtype = "light",
+			paramtype2 = "facedir",
+			light_source = light2,
+			selection_box = tube_cbox,
+			collision_box = tube_cbox,
+			after_place_node = function(pos, placer, itemstack, pointed_thing)
+				minetest.set_node(pos, { name = "air"})
+				minetest.rotate_node(itemstack, placer, pointed_thing)
+				if minetest.get_node(pos).param2 == 12 then
+					minetest.set_node(pos, { name = "nixie_tubes:decatron_off", param2 = 15 })
+				end
+			end,
+			on_construct = function(pos)
+				reset_meta(pos)
+			end,
+			on_receive_fields = function(pos, formname, fields, sender)
+				if (fields.channel) then
+					minetest.get_meta(pos):set_string("channel", fields.channel)
+				end
+			end,
+			digiline = {
+				receptor = {},
+				effector = {
+					action = on_digiline_receive_deca
+				},
+			},
+			drop = "nixie_tubes:decatron_off"
+		})
+	end
+end
+
+-- Alpha-numeric tubes (Burroughs B-7971 or similar)
+
+--[[
+
+Map of display wires:
+
+      --1------
+     |\   |8  /|
+    6| \  |  / |2
+     | 7\ | /9 |
+     |   \|/   |
+14--> ---- ---- <--10
+     |   /|\   |
+     |13/ | \11|
+    5| /  |  \ |3
+     |/ 12|   \|
+      ------4--
+          _
+      --¯¯ ¯¯-- <--15
+
+-- Wire positions in table:
+-- char = { 1, 2, 3, 4, .... , 13, 14, 15 }
+
+]]--
+
+local alnum_chars = {
+	{ " ",	{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } },	-- 32
+	{ "!",	{ 0,0,0,0,1,1,0,0,0,0,0,0,0,0,0 } },
+	{ '"',	{ 0,0,0,0,0,1,0,1,0,0,0,0,0,0,0 } },
+	{ "#",	{ 0,1,1,1,0,0,0,1,0,1,0,1,0,1,0 } },
+	{ "$",	{ 1,0,1,1,0,1,0,1,0,1,0,1,0,1,0 } },
+	{ "%",	{ 0,0,1,0,0,1,0,0,1,0,0,0,1,0,0 } },
+	{ "&",	{ 1,0,0,1,1,0,1,0,1,0,1,0,0,1,0 } },
+	{ "'",	{ 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0 } },
+	{ "(",	{ 0,0,0,0,0,0,0,0,1,0,1,0,0,0,0 } },
+	{ ")",	{ 0,0,0,0,0,0,1,0,0,0,0,0,1,0,0 } },
+	{ "*",	{ 0,0,0,0,0,0,1,1,1,1,1,1,1,1,0 } },
+	{ "+",	{ 0,0,0,0,0,0,0,1,0,1,0,1,0,1,0 } },
+	{ ",",	{ 0,0,0,0,0,0,0,0,0,0,0,0,1,0,0 } },
+	{ "-",	{ 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0 } },
+	{ ".",	{ 0,0,0,0,1,0,0,0,0,0,0,0,0,0,0 } },
+	{ "/",	{ 0,0,0,0,0,0,0,0,1,0,0,0,1,0,0 } },
+	{ "0",	{ 1,1,1,1,1,1,0,0,1,0,0,0,1,0,0 } },	-- 48
+	{ "1",	{ 0,1,1,0,0,0,0,0,1,0,0,0,0,0,0 } },
+	{ "2",	{ 1,1,0,1,0,0,0,0,0,1,0,0,1,0,0 } },
+	{ "3",	{ 1,1,1,1,0,0,0,0,0,1,0,0,0,0,0 } },
+	{ "4",	{ 0,1,1,0,0,1,0,0,0,1,0,0,0,1,0 } },
+	{ "5",	{ 1,0,1,1,0,1,0,0,0,1,0,0,0,1,0 } },
+	{ "6",	{ 1,0,1,1,1,1,0,0,0,1,0,0,0,1,0 } },
+	{ "7",	{ 1,0,0,0,0,0,0,0,1,0,0,1,0,0,0 } },
+	{ "8",	{ 1,1,1,1,1,1,0,0,0,1,0,0,0,1,0 } },
+	{ "9",	{ 1,1,1,0,0,1,0,0,0,1,0,0,0,1,0 } },
+	{ ":",	{ 0,0,0,0,0,0,0,1,0,0,0,1,0,0,0 } },	-- 58
+	{ ";",	{ 0,0,0,0,0,0,0,1,0,0,0,0,1,0,0 } },
+	{ "<",	{ 0,0,0,0,0,0,0,0,1,0,1,0,0,1,0 } },
+	{ "=",	{ 0,0,0,1,0,0,0,0,0,1,0,0,0,1,0 } },
+	{ ">",	{ 0,0,0,0,0,0,1,0,0,1,0,0,1,0,0 } },
+	{ "?",	{ 1,1,0,0,0,0,0,0,0,1,0,1,0,0,0 } },
+	{ "@",	{ 1,1,0,1,1,1,0,1,0,1,0,0,0,0,0 } },	-- 64
+	{ "A",	{ 1,1,1,0,1,1,0,0,0,1,0,0,0,1,0 } },
+	{ "B",	{ 1,1,1,1,0,0,0,1,0,1,0,1,0,0,0 } },
+	{ "C",	{ 1,0,0,1,1,1,0,0,0,0,0,0,0,0,0 } },
+	{ "D",	{ 1,1,1,1,0,0,0,1,0,0,0,1,0,0,0 } },
+	{ "E",	{ 1,0,0,1,1,1,0,0,0,0,0,0,0,1,0 } },
+	{ "F",	{ 1,0,0,0,1,1,0,0,0,0,0,0,0,1,0 } },
+	{ "G",	{ 1,0,1,1,1,1,0,0,0,1,0,0,0,0,0 } },
+	{ "H",	{ 0,1,1,0,1,1,0,0,0,1,0,0,0,1,0 } },
+	{ "I",	{ 1,0,0,1,0,0,0,1,0,0,0,1,0,0,0 } },
+	{ "J",	{ 0,1,1,1,1,0,0,0,0,0,0,0,0,0,0 } },
+	{ "K",	{ 0,0,0,0,1,1,0,0,1,0,1,0,0,1,0 } },
+	{ "L",	{ 0,0,0,1,1,1,0,0,0,0,0,0,0,0,0 } },
+	{ "M",	{ 0,1,1,0,1,1,1,0,1,0,0,0,0,0,0 } },
+	{ "N",	{ 0,1,1,0,1,1,1,0,0,0,1,0,0,0,0 } },
+	{ "O",	{ 1,1,1,1,1,1,0,0,0,0,0,0,0,0,0 } },
+	{ "P",	{ 1,1,0,0,1,1,0,0,0,1,0,0,0,1,0 } },
+	{ "Q",	{ 1,1,1,1,1,1,0,0,0,0,1,0,0,0,0 } },
+	{ "R",	{ 1,1,0,0,1,1,0,0,0,1,1,0,0,1,0 } },
+	{ "S",	{ 1,0,1,1,0,1,0,0,0,1,0,0,0,1,0 } },
+	{ "T",	{ 1,0,0,0,0,0,0,1,0,0,0,1,0,0,0 } },
+	{ "U",	{ 0,1,1,1,1,1,0,0,0,0,0,0,0,0,0 } },
+	{ "V",	{ 0,0,0,0,1,1,0,0,1,0,0,0,1,0,0 } },
+	{ "W",	{ 0,1,1,0,1,1,0,0,0,0,1,0,1,0,0 } },
+	{ "X",	{ 0,0,0,0,0,0,1,0,1,0,1,0,1,0,0 } },
+	{ "Y",	{ 0,0,0,0,0,0,1,0,1,0,0,1,0,0,0 } },
+	{ "Z",	{ 1,0,0,1,0,0,0,0,1,0,0,0,1,0,0 } },
+	{ "[",	{ 1,0,0,1,1,1,0,0,0,0,0,0,0,0,0 } },	-- 91
+	{ "\\",	{ 0,0,0,0,0,0,1,0,0,0,1,0,0,0,0 } },
+	{ "]",	{ 1,1,1,1,0,0,0,0,0,0,0,0,0,0,0 } },
+	{ "^",	{ 0,0,0,0,0,0,0,0,0,0,1,0,1,0,0 } },
+	{ "_",	{ 0,0,0,1,0,0,0,0,0,0,0,0,0,0,0 } },
+	{ "`",	{ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0 } },
+	{ "a",	{ 1,1,1,1,0,0,0,0,0,1,0,0,1,0,0 } },	-- 97
+	{ "b",	{ 0,0,0,1,1,1,0,0,0,0,1,0,0,1,0 } },
+	{ "c",	{ 0,0,0,1,1,0,0,0,0,1,0,0,0,1,0 } },
+	{ "d",	{ 0,1,1,1,0,0,0,0,0,1,0,0,1,0,0 } },
+	{ "e",	{ 0,0,0,1,1,0,0,0,0,0,0,0,1,1,0 } },
+	{ "f",	{ 1,0,0,0,1,1,0,0,0,0,0,0,0,1,0 } },
+	{ "g",	{ 1,1,1,1,0,0,1,0,0,1,0,0,0,0,0 } },
+	{ "h",	{ 0,0,0,0,1,1,0,0,0,0,1,0,0,1,0 } },
+	{ "i",	{ 0,0,0,0,0,0,0,0,0,0,0,1,0,0,0 } },
+	{ "j",	{ 0,1,1,1,0,0,0,0,0,0,0,0,0,0,0 } },
+	{ "k",	{ 0,0,0,0,0,0,0,1,1,0,1,1,0,0,0 } },
+	{ "l",	{ 0,0,0,0,0,0,0,1,0,0,0,1,0,0,0 } },
+	{ "m",	{ 0,0,1,0,1,0,0,0,0,1,0,1,0,1,0 } },
+	{ "n",	{ 0,0,0,0,1,0,0,0,0,0,1,0,0,1,0 } },
+	{ "o",	{ 0,0,1,1,1,0,0,0,0,1,0,0,0,1,0 } },
+	{ "p",	{ 1,0,0,0,1,1,0,0,1,0,0,0,0,1,0 } },
+	{ "q",	{ 1,1,1,0,0,0,1,0,0,1,0,0,0,0,0 } },
+	{ "r",	{ 0,0,0,0,1,0,0,0,0,0,0,0,0,1,0 } },
+	{ "s",	{ 0,0,0,1,0,0,0,0,0,1,1,0,0,0,0 } },
+	{ "t",	{ 0,0,0,1,1,1,0,0,0,0,0,0,0,1,0 } },
+	{ "u",	{ 0,0,1,1,1,0,0,0,0,0,0,0,0,0,0 } },
+	{ "v",	{ 0,0,0,0,1,0,0,0,0,0,0,0,1,0,0 } },
+	{ "w",	{ 0,0,1,0,1,0,0,0,0,0,1,0,1,0,0 } },
+	{ "x",	{ 0,0,0,0,0,0,1,0,1,0,1,0,1,0,0 } },
+	{ "y",	{ 0,0,0,0,0,0,1,0,1,0,0,0,1,0,0 } },
+	{ "z",	{ 0,0,0,4,0,0,0,0,0,0,0,0,1,1,0 } },
+	{ "{",	{ 1,0,0,1,0,0,1,0,0,0,0,0,1,1,0 } },
+	{ "|",	{ 0,0,0,0,0,0,0,1,0,0,0,1,0,0,0 } },
+	{ "}",	{ 1,0,0,1,0,0,0,0,1,1,1,0,0,0,0 } },
+	{ "~",	{ 0,1,0,0,0,1,1,0,0,1,0,0,0,0,0 } },
+	{ string.char(127),	{ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,0 } },	-- "DEL"
+	{ string.char(128),	{ 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1 } },	-- all-on
+	{ string.char(129),	{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } },	-- "cursor" segment
+}
+
+local on_digiline_receive_alnum = function(pos, node, channel, msg)
+	local meta = minetest.get_meta(pos)
+	local setchan = meta:get_string("channel")
+	if setchan ~= channel then return end
+	if msg and msg ~= "" then
+		local asc = string.byte(msg)
+		if msg == "off" then
+			minetest.swap_node(pos, { name = "nixie_tubes:alnum_32", param2 = node.param2})
+		elseif msg == "colon" then
+			minetest.swap_node(pos, { name = "nixie_tubes:alnum_58", param2 = node.param2})
+		elseif msg == "period" then
+			minetest.swap_node(pos, { name = "nixie_tubes:alnum_46", param2 = node.param2})
+		elseif msg == "del" then
+			minetest.swap_node(pos, { name = "nixie_tubes:alnum_127", param2 = node.param2})
+		elseif msg == "allon" then
+			minetest.swap_node(pos, { name = "nixie_tubes:alnum_128", param2 = node.param2})
+		elseif msg == "cursor" then
+			minetest.swap_node(pos, { name = "nixie_tubes:alnum_129", param2 = node.param2})
+		elseif asc > 31 and alnum_chars[asc - 31] then
+			minetest.swap_node(pos, { name = "nixie_tubes:alnum_"..asc, param2 = node.param2})
+		end
+	end
+end
+
+for i in ipairs(alnum_chars) do
+	local char = alnum_chars[i][1]
+	local bits = alnum_chars[i][2]
+
+	local groups = { cracky = 2, not_in_creative_inventory = 1}
+	local light = LIGHT_MAX-4
+	local description = S("Alphanumeric Nixie Tube ("..char..")")
+
+	local wires = "nixie_tube_alnum_wires.png"
+	for j = 1, 15 do
+		if bits[j] == 1 then
+			wires = wires.."^nixie_tube_alnum_seg_"..j..".png"
+		end
+	end
+
+	if char == " " then
+		groups = {cracky = 2}
+		light = nil
+		description = S("Alphanumeric Nixie Tube")
+		wires = "nixie_tube_alnum_wires.png"
+	end
+
+	minetest.register_node("nixie_tubes:alnum_"..string.byte(char), {
+		description = description,
+		drawtype = "mesh",
+		mesh = "nixie_tube.obj",
+		tiles = {
+			"nixie_tube_base.png",
+			"nixie_tube_backing.png",
+			wires,
+			"nixie_tube_anode.png",
+			"nixie_tube_glass.png",
+		},
+		use_texture_alpha = true,
+		groups = groups,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		light_source = light,
+		selection_box = tube_cbox,
+		collision_box = tube_cbox,
+		on_construct = function(pos)
+			reset_meta(pos)
+		end,
+		on_receive_fields = function(pos, formname, fields, sender)
+			if (fields.channel) then
+				minetest.get_meta(pos):set_string("channel", fields.channel)
+			end
+		end,
+		digiline = {
+			receptor = {},
+			effector = {
+				action = on_digiline_receive_alnum
+			},
+		},
+		drop = "nixie_tubes:alnum_32"
+	})
+end
+
+-- crafts
+
+minetest.register_craft({
+	output = "nixie_tubes:tube_off 4",
+	recipe = {
+		{ "", "default:glass", "" },
+		{ "default:glass", "default:sign_wall", "default:glass" },
+		{ "default:glass", "default:mese_crystal_fragment", "default:glass" }
+	},
+})
+
+
+minetest.register_craft({
+	output = "nixie_tubes:alnum_32 4",
+	recipe = {
+		{ "", "default:glass", "" },
+		{ "default:glass", "default:sign_wall", "default:glass" },
+		{ "default:glass", "default:mese_crystal", "default:glass" }
+	},
+})
+
diff --git a/nixie_tubes/models/decatron.obj b/nixie_tubes/models/decatron.obj
new file mode 100644
index 0000000..27b71d7
--- /dev/null
+++ b/nixie_tubes/models/decatron.obj
@@ -0,0 +1,1225 @@
+# Blender v2.73 (sub 0) OBJ File: 'decatron.blend'
+# www.blender.org
+o nixie_Cylinder.009
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diff --git a/nixie_tubes/models/nixie_tube.obj b/nixie_tubes/models/nixie_tube.obj
new file mode 100644
index 0000000..e2d8f8d
--- /dev/null
+++ b/nixie_tubes/models/nixie_tube.obj
@@ -0,0 +1,712 @@
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diff --git a/nixie_tubes/screenshot.png b/nixie_tubes/screenshot.png
new file mode 100644
index 0000000..38523ac
--- /dev/null
+++ b/nixie_tubes/screenshot.png
diff --git a/nixie_tubes/textures/decatron_anode.png b/nixie_tubes/textures/decatron_anode.png
new file mode 100644
index 0000000..98ad8c7
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