156 files changed, 1127 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..01a1fe5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+# temporary files
+*~
+
+# eclipse project files
+.project
+.settings
+.buildpath
diff --git a/copyright.txt b/copyright.txt
new file mode 100644
index 0000000..68fa549
--- /dev/null
+++ b/copyright.txt
@@ -0,0 +1,8 @@
+Most code and all textures by Vanessa Ezekowitz.
+
+Some code copied and modified from the game's default mods (especially 
+doors) and ironzorg's flowers mod.
+
+Licenses: 
+* For the lua code, BSD. 
+* For all images and everything else, WTFPL.
diff --git a/depends.txt b/depends.txt
new file mode 100644
index 0000000..abb8bd5
--- /dev/null
+++ b/depends.txt
@@ -0,0 +1,4 @@
+default
+intllib?
+screwdriver?
+keyword_interact?
diff --git a/init.lua b/init.lua
new file mode 100644
index 0000000..ce3e37a
--- /dev/null
+++ b/init.lua
@@ -0,0 +1,1090 @@
+-- This mod provides the visible text on signs library used by Home Decor
+-- and perhaps other mods at some point in the future.  Forked from thexyz's/
+-- PilzAdam's original text-on-signs mod and rewritten by Vanessa Ezekowitz
+-- and Diego Martinez
+
+-- textpos = {
+--		{ delta = {entity position for 0° yaw}, exact yaw expression }
+--		{ delta = {entity position for 180° yaw}, exact yaw expression }
+--		{ delta = {entity position for 270° yaw}, exact yaw expression }
+--		{ delta = {entity position for 90° yaw}, exact yaw expression }
+-- }
+
+-- CWz's keyword interact mod uses this setting.
+local current_keyword = minetest.setting_get("interact_keyword") or "iaccept"
+
+signs_lib = {}
+screwdriver = screwdriver or {}
+
+signs_lib.wallmounted_rotate = function(pos, node, user, mode, new_param2)
+	if mode ~= screwdriver.ROTATE_AXIS then return false end
+	minetest.swap_node(pos, {name = node.name, param2 = (node.param2 + 1) % 6})
+	for _, v in ipairs(minetest.get_objects_inside_radius(pos, 0.5)) do
+		local e = v:get_luaentity()
+		if e and e.name == "signs:text" then
+			v:remove()
+		end
+	end
+	signs_lib.update_sign(pos)
+	return true
+end
+
+signs_lib.modpath = minetest.get_modpath("signs_lib")
+
+signs_lib.regular_wall_sign_model = {
+	nodebox = {
+		type = "wallmounted",
+		wall_side =   { -0.5,    -0.25,   -0.4375, -0.4375,  0.375,  0.4375 },
+		wall_bottom = { -0.4375, -0.5,    -0.25,    0.4375, -0.4375, 0.375 },
+		wall_top =    { -0.4375,  0.4375, -0.375,   0.4375,  0.5,    0.25 }
+	},
+	textpos = {
+		nil,
+		nil,
+		{delta = {x =  0.43,  y = 0.07, z =  0     }, yaw = math.pi / -2},
+		{delta = {x = -0.43,  y = 0.07, z =  0     }, yaw = math.pi / 2},
+		{delta = {x =  0,     y = 0.07, z =  0.43  }, yaw = 0},
+		{delta = {x =  0,     y = 0.07, z = -0.43  }, yaw = math.pi},
+	}
+}
+
+signs_lib.metal_wall_sign_model = {
+	nodebox = {
+		type = "fixed",
+		fixed = {-0.4375, -0.25, 0.4375, 0.4375, 0.375, 0.5}
+	},
+	textpos = {
+		{delta = {x =  0,     y = 0.07, z =  0.43  }, yaw = 0},
+		{delta = {x =  0.43,  y = 0.07, z =  0     }, yaw = math.pi / -2},
+		{delta = {x =  0,     y = 0.07, z = -0.43  }, yaw = math.pi},
+		{delta = {x = -0.43,  y = 0.07, z =  0     }, yaw = math.pi / 2},
+	}
+}
+
+signs_lib.yard_sign_model = {
+	nodebox = {
+		type = "fixed",
+		fixed = {
+				{-0.4375, -0.25, -0.0625, 0.4375, 0.375, 0},
+				{-0.0625, -0.5, -0.0625, 0.0625, -0.1875, 0},
+		}
+	},
+	textpos = {
+		{delta = {x =  0,      y = 0.07, z = -0.068}, yaw = 0},
+		{delta = {x = -0.068,  y = 0.07, z =  0    }, yaw = math.pi / -2},
+		{delta = {x =  0,      y = 0.07, z =  0.068}, yaw = math.pi},
+		{delta = {x =  0.068,  y = 0.07, z =  0    }, yaw = math.pi / 2},
+	}
+}
+
+signs_lib.hanging_sign_model = {
+	nodebox = {
+		type = "fixed",
+		fixed = {
+				{-0.4375, -0.3125, -0.0625, 0.4375, 0.3125, 0},
+				{-0.4375, 0.25, -0.03125, 0.4375, 0.5, -0.03125},
+		}
+	},
+	textpos = {
+		{delta = {x =  0,      y = -0.02, z = -0.063}, yaw = 0},
+		{delta = {x = -0.063,  y = -0.02, z =  0    }, yaw = math.pi / -2},
+		{delta = {x =  0,      y = -0.02, z =  0.063}, yaw = math.pi},
+		{delta = {x =  0.063,  y = -0.02, z =  0    }, yaw = math.pi / 2},
+	}
+}
+
+signs_lib.sign_post_model = {
+	nodebox = {
+		type = "fixed",
+		fixed = {
+				{-0.4375, -0.25, -0.1875, 0.4375, 0.375, -0.125},
+				{-0.125, -0.5, -0.125, 0.125, 0.5, 0.125},
+		}
+	},
+	textpos = {
+		{delta = {x = 0,      y = 0.07, z = -0.188}, yaw = 0},
+		{delta = {x = -0.188, y = 0.07, z = 0     }, yaw = math.pi / -2},
+		{delta = {x = 0,      y = 0.07, z = 0.188 }, yaw = math.pi},
+		{delta = {x = 0.188,  y = 0.07, z = 0     }, yaw = math.pi / 2},
+	}
+}
+
+-- Boilerplate to support localized strings if intllib mod is installed.
+local S = rawget(_G, "intllib") and intllib.Getter() or function(s) return s end
+signs_lib.gettext = S
+
+-- the list of standard sign nodes
+
+signs_lib.sign_node_list = {
+		"default:sign_wall",
+		"signs:sign_yard",
+		"signs:sign_hanging",
+		"signs:sign_wall_green",
+		"signs:sign_wall_yellow",
+		"signs:sign_wall_red",
+		"signs:sign_wall_white_red",
+		"signs:sign_wall_white_black",
+		"signs:sign_wall_orange",
+		"signs:sign_wall_blue",
+		"signs:sign_wall_brown",
+		"locked_sign:sign_wall_locked"
+}
+
+--table copy
+
+function signs_lib.table_copy(t)
+    local nt = { };
+    for k, v in pairs(t) do
+        if type(v) == "table" then
+            nt[k] = signs_lib.table_copy(v)
+        else
+            nt[k] = v
+        end
+    end
+    return nt
+end
+
+-- infinite stacks
+
+if minetest.get_modpath("unified_inventory") or not minetest.setting_getbool("creative_mode") then
+	signs_lib.expect_infinite_stacks = false
+else
+	signs_lib.expect_infinite_stacks = true
+end
+
+-- CONSTANTS
+
+local MP = minetest.get_modpath("signs_lib")
+
+-- Used by `build_char_db' to locate the file.
+local FONT_FMT = "%s/hdf_%02x.png"
+
+-- Simple texture name for building text texture.
+local FONT_FMT_SIMPLE = "hdf_%02x.png"
+
+-- Path to the textures.
+local TP = MP.."/textures"
+
+local TEXT_SCALE = {x=0.8, y=0.5}
+
+-- Lots of overkill here. KISS advocates, go away, shoo! ;) -- kaeza
+
+local PNG_HDR = string.char(0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A)
+
+-- Read the image size from a PNG file.
+-- Returns image_w, image_h.
+-- Only the LSB is read from each field!
+local function read_image_size(filename)
+	local f = io.open(filename, "rb")
+	f:seek("set", 0x0)
+	local hdr = f:read(8)
+	if hdr ~= PNG_HDR then
+		f:close()
+		return
+	end
+	f:seek("set", 0x13)
+	local ws = f:read(1)
+	f:seek("set", 0x17)
+	local hs = f:read(1)
+	f:close()
+	return ws:byte(), hs:byte()
+end
+
+-- Set by build_char_db()
+local LINE_HEIGHT
+local SIGN_WIDTH
+local COLORBGW, COLORBGH
+
+-- Size of the canvas, in characters.
+-- Please note that CHARS_PER_LINE is multiplied by the average character
+-- width to get the total width of the canvas, so for proportional fonts,
+-- either more or fewer characters may fit on a line.
+local CHARS_PER_LINE = 30
+local NUMBER_OF_LINES = 6
+
+-- 6 rows, max 80 chars per, plus a bit of fudge to
+-- avoid excess trimming (e.g. due to color codes)
+
+local MAX_INPUT_CHARS = 600
+
+-- This holds the individual character widths.
+-- Indexed by the actual character (e.g. charwidth["A"])
+local charwidth
+
+-- helper functions to trim sign text input/output
+
+local function trim_input(text)
+	return text:sub(1, math.min(MAX_INPUT_CHARS, text:len()))
+end
+
+local function build_char_db()
+
+	charwidth = { }
+
+	-- To calculate average char width.
+	local total_width = 0
+	local char_count = 0
+
+	for c = 32, 126 do
+		local w, h = read_image_size(FONT_FMT:format(TP, c))
+		if w and h then
+			local ch = string.char(c)
+			charwidth[ch] = w
+			total_width = total_width + w
+			char_count = char_count + 1
+		end
+	end
+
+	COLORBGW, COLORBGH = read_image_size(TP.."/slc_n.png")
+	assert(COLORBGW and COLORBGH, "error reading bg dimensions")
+	LINE_HEIGHT = COLORBGH
+
+	-- XXX: Is there a better way to calc this?
+	SIGN_WIDTH = math.floor((total_width / char_count) * CHARS_PER_LINE)
+
+end
+
+local sign_groups = {choppy=2, dig_immediate=2}
+
+local fences_with_sign = { }
+
+-- some local helper functions
+
+local function split_lines_and_words_old(text)
+	local lines = { }
+	local line = { }
+	if not text then return end
+	for word in text:gmatch("%S+") do
+		if word == "|" then
+			table.insert(lines, line)
+			if #lines >= NUMBER_OF_LINES then break end
+			line = { }
+		elseif word == "\\|" then
+			table.insert(line, "|")
+		else
+			table.insert(line, word)
+		end
+	end
+	table.insert(lines, line)
+	return lines
+end
+
+local function split_lines_and_words(text)
+	if not text then return end
+	text = string.gsub(text, "@KEYWORD", current_keyword)
+	local lines = { }
+	for _, line in ipairs(text:split("\n")) do
+		table.insert(lines, line:split(" "))
+	end
+	return lines
+end
+
+local math_max = math.max
+
+local function fill_line(x, y, w, c)
+	c = c or "0"
+	local tex = { }
+	for xx = 0, math.max(0, w), COLORBGW do
+		table.insert(tex, (":%d,%d=slc_%s.png"):format(x + xx, y, c))
+	end
+	return table.concat(tex)
+end
+
+local function make_line_texture(line, lineno)
+
+	local width = 0
+	local maxw = 0
+
+	local words = { }
+
+	local cur_color = 0
+
+	-- We check which chars are available here.
+	for word_i, word in ipairs(line) do
+		local chars = { }
+		local ch_offs = 0
+		local word_l = #word
+		local i = 1
+		while i <= word_l  do
+			local c = word:sub(i, i)
+			if c == "#" then
+				local cc = tonumber(word:sub(i+1, i+1), 16)
+				if cc then
+					i = i + 1
+					cur_color = cc
+				end
+			else
+				local w = charwidth[c]
+				if w then
+					width = width + w + 1
+					if width >= (SIGN_WIDTH - charwidth[" "]) then
+						width = 0
+					else
+						maxw = math_max(width, maxw)
+					end
+					if #chars < MAX_INPUT_CHARS then
+						table.insert(chars, {
+							off=ch_offs,
+							tex=FONT_FMT_SIMPLE:format(c:byte()),
+							col=("%X"):format(cur_color),
+						})
+					end
+					ch_offs = ch_offs + w
+				end
+			end
+			i = i + 1
+		end
+		width = width + charwidth[" "] + 1
+		maxw = math_max(width, maxw)
+		table.insert(words, { chars=chars, w=ch_offs })
+	end
+
+	-- Okay, we actually build the "line texture" here.
+
+	local texture = { }
+
+	local start_xpos = math.floor((SIGN_WIDTH - maxw) / 2)
+
+	local xpos = start_xpos
+	local ypos = (LINE_HEIGHT * lineno)
+
+	cur_color = nil
+
+	for word_i, word in ipairs(words) do
+		local xoffs = (xpos - start_xpos)
+		if (xoffs > 0) and ((xoffs + word.w) > maxw) then
+			table.insert(texture, fill_line(xpos, ypos, maxw, "n"))
+			xpos = start_xpos
+			ypos = ypos + LINE_HEIGHT
+			lineno = lineno + 1
+			if lineno >= NUMBER_OF_LINES then break end
+			table.insert(texture, fill_line(xpos, ypos, maxw, cur_color))
+		end
+		for ch_i, ch in ipairs(word.chars) do
+			if ch.col ~= cur_color then
+				cur_color = ch.col
+				table.insert(texture, fill_line(xpos + ch.off, ypos, maxw, cur_color))
+			end
+			table.insert(texture, (":%d,%d=%s"):format(xpos + ch.off, ypos, ch.tex))
+		end
+		table.insert(texture, (":%d,%d=hdf_20.png"):format(xpos + word.w, ypos))
+		xpos = xpos + word.w + charwidth[" "]
+		if xpos >= (SIGN_WIDTH + charwidth[" "]) then break end
+	end
+
+	table.insert(texture, fill_line(xpos, ypos, maxw, "n"))
+	table.insert(texture, fill_line(start_xpos, ypos + LINE_HEIGHT, maxw, "n"))
+
+	return table.concat(texture), lineno
+end
+
+local function make_sign_texture(lines)
+	local texture = { ("[combine:%dx%d"):format(SIGN_WIDTH, LINE_HEIGHT * NUMBER_OF_LINES) }
+	local lineno = 0
+	for i = 1, #lines do
+		if lineno >= NUMBER_OF_LINES then break end
+		local linetex, ln = make_line_texture(lines[i], lineno)
+		table.insert(texture, linetex)
+		lineno = ln + 1
+	end
+	table.insert(texture, "^[makealpha:0,0,0")
+	return table.concat(texture, "")
+end
+
+local function set_obj_text(obj, text, new)
+	local split = new and split_lines_and_words or split_lines_and_words_old
+	obj:set_properties({
+		textures={make_sign_texture(split(text))},
+		visual_size = TEXT_SCALE,
+	})
+end
+
+signs_lib.construct_sign = function(pos, locked)
+    local meta = minetest.get_meta(pos)
+	meta:set_string(
+		"formspec",
+		"size[6,4]"..
+		"textarea[0,-0.3;6.5,3;text;;${text}]"..
+		"button_exit[2,3.4;2,1;ok;Write]"..
+		"background[-0.5,-0.5;7,5;bg_signs_lib.jpg]")
+	meta:set_string("infotext", "")
+end
+
+signs_lib.destruct_sign = function(pos)
+    local objects = minetest.get_objects_inside_radius(pos, 0.5)
+    for _, v in ipairs(objects) do
+		local e = v:get_luaentity()
+        if e and e.name == "signs:text" then
+            v:remove()
+        end
+    end
+end
+
+local function make_infotext(text)
+	text = trim_input(text)
+	local lines = split_lines_and_words(text) or {}
+	local lines2 = { }
+	for _, line in ipairs(lines) do
+		table.insert(lines2, (table.concat(line, " "):gsub("#[0-9a-fA-F]", ""):gsub("##", "#")))
+	end
+	return table.concat(lines2, "\n")
+end
+
+signs_lib.update_sign = function(pos, fields, owner)
+
+	-- First, check if the interact keyword from CWz's mod is being set,
+	-- or has been changed since the last restart...
+
+	local meta = minetest.get_meta(pos)
+	local stored_text = meta:get_string("text") or ""
+	current_keyword = rawget(_G, "mki_interact_keyword") or current_keyword
+
+	if fields then -- ...we're editing the sign.
+		if fields.text and string.find(dump(fields.text), "@KEYWORD") then
+			meta:set_string("keyword", current_keyword)
+		else
+			meta:set_string("keyword", nil)
+		end
+	elseif string.find(dump(stored_text), "@KEYWORD") then -- we need to check if the password is being set/changed
+
+		local stored_keyword = meta:get_string("keyword")
+		if stored_keyword and stored_keyword ~= "" and stored_keyword ~= current_keyword then
+			signs_lib.destruct_sign(pos)
+			meta:set_string("keyword", current_keyword)
+			local ownstr = ""
+			if owner then ownstr = "Locked sign, owned by "..owner.."\n" end
+			meta:set_string("infotext", ownstr..string.gsub(make_infotext(stored_text), "@KEYWORD", current_keyword).." ")
+		end
+	end
+
+	local new
+
+	if fields then
+
+		fields.text = trim_input(fields.text)
+
+		local ownstr = ""
+		if owner then ownstr = "Locked sign, owned by "..owner.."\n" end
+
+		meta:set_string("infotext", ownstr..string.gsub(make_infotext(fields.text), "@KEYWORD", current_keyword).." ")
+		meta:set_string("text", fields.text)
+		
+		meta:set_int("__signslib_new_format", 1)
+		new = true
+	else
+		new = (meta:get_int("__signslib_new_format") ~= 0)
+	end
+	local text = meta:get_string("text")
+	if text == nil then return end
+	local objects = minetest.get_objects_inside_radius(pos, 0.5)
+	local found
+	for _, v in ipairs(objects) do
+		local e = v:get_luaentity()
+		if e and e.name == "signs:text" then
+			if found then
+				v:remove()
+			else
+				set_obj_text(v, text, new)
+				found = true
+			end
+		end
+	end
+	if found then
+		return
+	end
+
+	-- if there is no entity
+	local sign_info
+	local signnode = minetest.get_node(pos)
+	if signnode.name == "signs:sign_yard" then
+		sign_info = signs_lib.yard_sign_model.textpos[minetest.get_node(pos).param2 + 1]
+	elseif signnode.name == "signs:sign_hanging" then
+		sign_info = signs_lib.hanging_sign_model.textpos[minetest.get_node(pos).param2 + 1]
+	elseif string.find(signnode.name, "sign_wall") then
+		if signnode.name == "default:sign_wall" 
+		  or signnode.name == "locked_sign:sign_wall_locked" then
+			sign_info = signs_lib.regular_wall_sign_model.textpos[minetest.get_node(pos).param2 + 1]
+		else
+			sign_info = signs_lib.metal_wall_sign_model.textpos[minetest.get_node(pos).param2 + 1]
+		end
+	else -- ...it must be a sign on a fence post.
+		sign_info = signs_lib.sign_post_model.textpos[minetest.get_node(pos).param2 + 1]
+	end
+	if sign_info == nil then
+		return
+	end
+	local text = minetest.add_entity({x = pos.x + sign_info.delta.x,
+										y = pos.y + sign_info.delta.y,
+										z = pos.z + sign_info.delta.z}, "signs:text")
+	text:setyaw(sign_info.yaw)
+end
+
+-- What kind of sign do we need to place, anyway?
+
+function signs_lib.determine_sign_type(itemstack, placer, pointed_thing, locked)
+	local name
+	name = minetest.get_node(pointed_thing.under).name
+	if fences_with_sign[name] then
+		if minetest.is_protected(pointed_thing.under, placer:get_player_name()) then
+			minetest.record_protection_violation(pointed_thing.under,
+				placer:get_player_name())
+			return itemstack
+		end
+	else
+		name = minetest.get_node(pointed_thing.above).name
+		local def = minetest.registered_nodes[name]
+		if not def.buildable_to then
+			return itemstack
+		end
+		if minetest.is_protected(pointed_thing.above, placer:get_player_name()) then
+			minetest.record_protection_violation(pointed_thing.above,
+				placer:get_player_name())
+			return itemstack
+		end
+	end
+
+	local node=minetest.get_node(pointed_thing.under)
+
+	if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
+		return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer, itemstack)
+	else
+		local above = pointed_thing.above
+		local under = pointed_thing.under
+		local dir = {x = under.x - above.x,
+					 y = under.y - above.y,
+					 z = under.z - above.z}
+
+		local wdir = minetest.dir_to_wallmounted(dir)
+
+		local placer_pos = placer:getpos()
+		if placer_pos then
+			dir = {
+				x = above.x - placer_pos.x,
+				y = above.y - placer_pos.y,
+				z = above.z - placer_pos.z
+			}
+		end
+
+		local fdir = minetest.dir_to_facedir(dir)
+
+		local pt_name = minetest.get_node(under).name
+		local signname = itemstack:get_name()
+
+		if fences_with_sign[pt_name] and signname == "default:sign_wall" then
+			minetest.add_node(under, {name = fences_with_sign[pt_name], param2 = fdir})
+		elseif wdir == 0 and signname == "default:sign_wall" then
+			minetest.add_node(above, {name = "signs:sign_hanging", param2 = fdir})
+		elseif wdir == 1 and signname == "default:sign_wall" then
+			minetest.add_node(above, {name = "signs:sign_yard", param2 = fdir})
+		elseif signname ~= "default:sign_wall"
+		  and signname ~= "locked_sign:sign_wall_locked" then -- it's a metal wall sign.
+			minetest.add_node(above, {name = signname, param2 = fdir})
+		else -- it must be a default or locked wooden wall sign
+			minetest.add_node(above, {name = signname, param2 = wdir }) -- note it's wallmounted here!
+			if locked then
+				local meta = minetest.get_meta(above)
+				local owner = placer:get_player_name()
+				meta:set_string("owner", owner)
+			end
+		end
+
+		if not signs_lib.expect_infinite_stacks then
+			itemstack:take_item()
+		end
+		return itemstack
+	end
+end
+
+function signs_lib.receive_fields(pos, formname, fields, sender, lock)
+	if minetest.is_protected(pos, sender:get_player_name()) then
+		minetest.record_protection_violation(pos,
+			sender:get_player_name())
+		return
+	end
+	local lockstr = lock and "locked " or ""
+	if fields and fields.text and fields.ok then
+		minetest.log("action", S("%s wrote \"%s\" to "..lockstr.."sign at %s"):format(
+			(sender:get_player_name() or ""),
+			fields.text,
+			minetest.pos_to_string(pos)
+		))
+		if lock then
+			signs_lib.update_sign(pos, fields, sender:get_player_name())
+		else
+			signs_lib.update_sign(pos, fields)
+		end
+	end
+end
+
+minetest.register_node(":default:sign_wall", {
+	description = S("Sign"),
+	inventory_image = "default_sign_wall.png",
+	wield_image = "default_sign_wall.png",
+	node_placement_prediction = "",
+	sunlight_propagates = true,
+	paramtype = "light",
+	paramtype2 = "wallmounted",
+	drawtype = "nodebox",
+	node_box = signs_lib.regular_wall_sign_model.nodebox,
+	tiles = {"signs_wall_sign.png"},
+	groups = sign_groups,
+
+	on_place = function(itemstack, placer, pointed_thing)
+		return signs_lib.determine_sign_type(itemstack, placer, pointed_thing)
+	end,
+	on_construct = function(pos)
+		signs_lib.construct_sign(pos)
+	end,
+	on_destruct = function(pos)
+		signs_lib.destruct_sign(pos)
+	end,
+	on_receive_fields = function(pos, formname, fields, sender)
+		signs_lib.receive_fields(pos, formname, fields, sender)
+	end,
+	on_punch = function(pos, node, puncher)
+		signs_lib.update_sign(pos)
+	end,
+	on_rotate = signs_lib.wallmounted_rotate
+})
+
+minetest.register_node(":signs:sign_yard", {
+    paramtype = "light",
+	sunlight_propagates = true,
+    paramtype2 = "facedir",
+    drawtype = "nodebox",
+    node_box = signs_lib.yard_sign_model.nodebox,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.4375, -0.5, -0.0625, 0.4375, 0.375, 0}
+	},
+    tiles = {"signs_top.png", "signs_bottom.png", "signs_side.png", "signs_side.png", "signs_back.png", "signs_front.png"},
+    groups = {choppy=2, dig_immediate=2},
+    drop = "default:sign_wall",
+
+    on_construct = function(pos)
+        signs_lib.construct_sign(pos)
+    end,
+    on_destruct = function(pos)
+        signs_lib.destruct_sign(pos)
+    end,
+	on_receive_fields = function(pos, formname, fields, sender)
+		signs_lib.receive_fields(pos, formname, fields, sender)
+	end,
+	on_punch = function(pos, node, puncher)
+		signs_lib.update_sign(pos)
+	end,
+})
+
+minetest.register_node(":signs:sign_hanging", {
+    paramtype = "light",
+	sunlight_propagates = true,
+    paramtype2 = "facedir",
+    drawtype = "nodebox",
+    node_box = signs_lib.hanging_sign_model.nodebox,
+    selection_box = {
+		type = "fixed",
+		fixed = {-0.45, -0.275, -0.049, 0.45, 0.5, 0.049}
+	},
+    tiles = {
+		"signs_hanging_top.png",
+		"signs_hanging_bottom.png",
+		"signs_hanging_side.png",
+		"signs_hanging_side.png",
+		"signs_hanging_back.png",
+		"signs_hanging_front.png"
+	},
+    groups = {choppy=2, dig_immediate=2},
+    drop = "default:sign_wall",
+
+    on_construct = function(pos)
+        signs_lib.construct_sign(pos)
+    end,
+    on_destruct = function(pos)
+        signs_lib.destruct_sign(pos)
+    end,
+	on_receive_fields = function(pos, formname, fields, sender)
+		signs_lib.receive_fields(pos, formname, fields, sender)
+	end,
+	on_punch = function(pos, node, puncher)
+		signs_lib.update_sign(pos)
+	end,
+})
+
+minetest.register_node(":signs:sign_post", {
+    paramtype = "light",
+	sunlight_propagates = true,
+    paramtype2 = "facedir",
+    drawtype = "nodebox",
+    node_box = signs_lib.sign_post_model.nodebox,
+    tiles = {
+		"signs_post_top.png",
+		"signs_post_bottom.png",
+		"signs_post_side.png",
+		"signs_post_side.png",
+		"signs_post_back.png",
+		"signs_post_front.png",
+	},
+    groups = {choppy=2, dig_immediate=2},
+    drop = {
+		max_items = 2,
+		items = {
+			{ items = { "default:sign_wall" }},
+			{ items = { "default:fence_wood" }},
+		},
+    },
+})
+
+-- Locked wall sign
+
+minetest.register_privilege("sign_editor", "Can edit all locked signs")
+
+minetest.register_node(":locked_sign:sign_wall_locked", {
+	description = S("Sign"),
+	inventory_image = "signs_locked_inv.png",
+	wield_image = "signs_locked_inv.png",
+	node_placement_prediction = "",
+	sunlight_propagates = true,
+	paramtype = "light",
+	paramtype2 = "wallmounted",
+	drawtype = "nodebox",
+	node_box = signs_lib.regular_wall_sign_model.nodebox,
+	tiles = { "signs_wall_sign_locked.png" },
+	groups = sign_groups,
+	on_place = function(itemstack, placer, pointed_thing)
+		return signs_lib.determine_sign_type(itemstack, placer, pointed_thing, true)
+	end,
+	on_construct = function(pos)
+		signs_lib.construct_sign(pos, true)
+	end,
+	on_destruct = function(pos)
+		signs_lib.destruct_sign(pos)
+	end,
+	on_receive_fields = function(pos, formname, fields, sender)
+		local meta = minetest.get_meta(pos)
+		local owner = meta:get_string("owner")
+		local pname = sender:get_player_name() or ""
+		if pname ~= owner and pname ~= minetest.setting_get("name")
+		  and not minetest.check_player_privs(pname, {sign_editor=true}) then
+			return
+		end
+		signs_lib.receive_fields(pos, formname, fields, sender, true)
+	end,
+	on_punch = function(pos, node, puncher)
+		signs_lib.update_sign(pos)
+	end,
+	can_dig = function(pos, player)
+		local meta = minetest.get_meta(pos)
+		local owner = meta:get_string("owner")
+		local pname = player:get_player_name()
+		return pname == owner or pname == minetest.setting_get("name")
+			or minetest.check_player_privs(pname, {sign_editor=true})
+	end,
+	on_rotate = signs_lib.wallmounted_rotate
+})
+
+-- metal, colored signs
+
+local sign_colors = { "green", "yellow", "red", "white_red", "white_black", "orange", "blue", "brown" }
+
+for _, color in ipairs(sign_colors) do
+	minetest.register_node(":signs:sign_wall_"..color, {
+		description = S("Sign ("..color..", metal)"),
+		inventory_image = "signs_"..color.."_inv.png",
+		wield_image = "signs_"..color.."_inv.png",
+		node_placement_prediction = "",
+		paramtype = "light",
+		sunlight_propagates = true,
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = signs_lib.metal_wall_sign_model.nodebox,
+		tiles = {
+			"signs_metal_tb.png",
+			"signs_metal_tb.png",
+			"signs_metal_sides.png",
+			"signs_metal_sides.png",
+			"signs_metal_back.png",
+			"signs_"..color.."_front.png"
+		},
+		groups = sign_groups,
+		on_place = function(itemstack, placer, pointed_thing)
+			return signs_lib.determine_sign_type(itemstack, placer, pointed_thing)
+		end,
+		on_construct = function(pos)
+			signs_lib.construct_sign(pos)
+		end,
+		on_destruct = function(pos)
+			signs_lib.destruct_sign(pos)
+		end,
+		on_receive_fields = function(pos, formname, fields, sender)
+			signs_lib.receive_fields(pos, formname, fields, sender)
+		end,
+		on_punch = function(pos, node, puncher)
+			signs_lib.update_sign(pos)
+		end,
+	})
+end
+
+local signs_text_on_activate
+
+signs_text_on_activate = function(self)
+	local meta = minetest.get_meta(self.object:getpos())
+	local text = meta:get_string("text")
+	local new = (meta:get_int("__signslib_new_format") ~= 0)
+	if text then
+		text = trim_input(text)
+		set_obj_text(self.object, text, new)
+	end
+end
+
+minetest.register_entity(":signs:text", {
+    collisionbox = { 0, 0, 0, 0, 0, 0 },
+    visual = "upright_sprite",
+    textures = {},
+
+	on_activate = signs_text_on_activate,
+})
+
+-- And the good stuff here! :-)
+
+function signs_lib.register_fence_with_sign(fencename, fencewithsignname)
+    local def = minetest.registered_nodes[fencename]
+    local def_sign = minetest.registered_nodes[fencewithsignname]
+    if not (def and def_sign) then
+        minetest.log("warning", "[signs_lib] Attempt to register unknown node as fence")
+        return
+    end
+    def = signs_lib.table_copy(def)
+    def_sign = signs_lib.table_copy(def_sign)
+    fences_with_sign[fencename] = fencewithsignname
+
+    def_sign.on_place = function(itemstack, placer, pointed_thing, ...)
+		local node_above = minetest.get_node_or_nil(pointed_thing.above)
+		local node_under = minetest.get_node_or_nil(pointed_thing.under)
+		local def_above = node_above and minetest.registered_nodes[node_above.name]
+		local def_under = node_under and minetest.registered_nodes[node_under.name]
+		local fdir = minetest.dir_to_facedir(placer:get_look_dir())
+		local playername = placer:get_player_name()
+
+		if minetest.is_protected(pointed_thing.under, playername) then
+			minetest.record_protection_violation(pointed_thing.under, playername)
+			return itemstack
+		end
+
+		if minetest.is_protected(pointed_thing.above, playername) then
+			minetest.record_protection_violation(pointed_thing.above, playername)
+			return itemstack
+		end
+
+		if def_under and def_under.on_rightclick then
+			return def_under.on_rightclick(pointed_thing.under, node_under, placer, itemstack) or itemstack
+		elseif def_under and def_under.buildable_to then
+			minetest.add_node(pointed_thing.under, {name = fencename, param2 = fdir})
+			if not signs_lib.expect_infinite_stacks then
+				itemstack:take_item()
+			end
+			placer:set_wielded_item(itemstack)
+		elseif def_above and def_above.buildable_to then
+			minetest.add_node(pointed_thing.above, {name = fencename, param2 = fdir})
+			if not signs_lib.expect_infinite_stacks then
+				itemstack:take_item()
+			end
+			placer:set_wielded_item(itemstack)
+		end
+		return itemstack
+	end
+	def_sign.on_construct = function(pos, ...)
+		signs_lib.construct_sign(pos)
+	end
+	def_sign.on_destruct = function(pos, ...)
+		signs_lib.destruct_sign(pos)
+	end
+	def_sign.on_receive_fields = function(pos, formname, fields, sender)
+		signs_lib.receive_fields(pos, formname, fields, sender)
+	end
+	def_sign.on_punch = function(pos, node, puncher, ...)
+		signs_lib.update_sign(pos)
+	end
+	local fencename = fencename
+	def_sign.after_dig_node = function(pos, node, ...)
+	    node.name = fencename
+	    minetest.add_node(pos, node)
+	end
+    def_sign.drop = "default:sign_wall"
+	minetest.register_node(":"..fencename, def)
+	minetest.register_node(":"..fencewithsignname, def_sign)
+	table.insert(signs_lib.sign_node_list, fencewithsignname)
+	minetest.log("debug", S("Registered %s and %s"):format(fencename, fencewithsignname))
+end
+
+build_char_db()
+
+minetest.register_alias("homedecor:fence_wood_with_sign", "signs:sign_post")
+minetest.register_alias("sign_wall_locked", "locked_sign:sign_wall_locked")
+
+signs_lib.register_fence_with_sign("default:fence_wood", "signs:sign_post")
+
+-- restore signs' text after /clearobjects and the like
+
+minetest.register_abm({
+	nodenames = signs_lib.sign_node_list,
+	interval = 15,
+	chance = 1,
+	action = function(pos, node, active_object_count, active_object_count_wider)
+		signs_lib.update_sign(pos)
+	end
+})
+
+-- locked sign
+
+minetest.register_craft({
+	output = "locked_sign:sign_wall_locked",
+	recipe = {
+		{"group:wood", "group:wood", "group:wood"},
+		{"group:wood", "group:wood", "default:steel_ingot"},
+		{"", "group:stick", ""},
+	}
+})
+
+--Alternate recipe.
+
+minetest.register_craft({
+    	output = "locked_sign:sign_wall_locked",
+    	recipe = {
+        	{"default:sign_wall"},
+        	{"default:steel_ingot"},
+    },
+})
+
+-- craft recipes for the metal signs
+
+minetest.register_craft( {
+        output = "signs:sign_wall_green 4",
+        recipe = {
+			{ "dye:dark_green", "dye:white", "dye:dark_green" },
+			{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_green 2",
+        recipe = {
+			{ "dye:dark_green", "dye:white", "dye:dark_green" },
+			{ "steel:sheet_metal", "steel:sheet_metal", "steel:sheet_metal" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_yellow 4",
+        recipe = {
+			{ "dye:yellow", "dye:black", "dye:yellow" },
+			{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_yellow 2",
+        recipe = {
+			{ "dye:yellow", "dye:black", "dye:yellow" },
+			{ "steel:sheet_metal", "steel:sheet_metal", "steel:sheet_metal" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_red 4",
+        recipe = {
+			{ "dye:red", "dye:white", "dye:red" },
+			{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_red 2",
+        recipe = {
+			{ "dye:red", "dye:white", "dye:red" },
+			{ "steel:sheet_metal", "steel:sheet_metal", "steel:sheet_metal" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_white_red 4",
+        recipe = {
+			{ "dye:white", "dye:red", "dye:white" },
+			{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_white_red 2",
+        recipe = {
+			{ "dye:white", "dye:red", "dye:white" },
+			{ "steel:sheet_metal", "steel:sheet_metal", "steel:sheet_metal" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_white_black 4",
+        recipe = {
+			{ "dye:white", "dye:black", "dye:white" },
+			{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_white_black 2",
+        recipe = {
+			{ "dye:white", "dye:black", "dye:white" },
+			{ "steel:sheet_metal", "steel:sheet_metal", "steel:sheet_metal" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_orange 4",
+        recipe = {
+			{ "dye:orange", "dye:black", "dye:orange" },
+			{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_orange 2",
+        recipe = {
+			{ "dye:orange", "dye:black", "dye:orange" },
+			{ "steel:sheet_metal", "steel:sheet_metal", "steel:sheet_metal" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_blue 4",
+        recipe = {
+			{ "dye:blue", "dye:white", "dye:blue" },
+			{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_blue 2",
+        recipe = {
+			{ "dye:blue", "dye:white", "dye:blue" },
+			{ "steel:sheet_metal", "steel:sheet_metal", "steel:sheet_metal" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_brown 4",
+        recipe = {
+			{ "dye:brown", "dye:white", "dye:brown" },
+			{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_brown 2",
+        recipe = {
+			{ "dye:brown", "dye:white", "dye:brown" },
+			{ "steel:sheet_metal", "steel:sheet_metal", "steel:sheet_metal" }
+        },
+})
+
+if minetest.setting_get("log_mods") then
+	minetest.log("action", S("signs loaded"))
+end
diff --git a/locale/de.txt b/locale/de.txt
new file mode 100644
index 0000000..8d43f77
--- /dev/null
+++ b/locale/de.txt
@@ -0,0 +1,9 @@
+# Translation by Xanthin
+
+Reading cached character database. = Lese zwischengespeicherte Buchstabendatenbank.
+Font seems to have changed. Rebuilding cache. = Schriftart scheint sich geaendert zu haben. Wiederaufbau des Zwischenspeichers.
+Could not find font line height in cached DB. Trying brute force. = Konnte die Schriftzeilenhoehe nicht in der zwischengespeicherten DB finden. Versuche Brute-Force.
+Sign = Schild
+%s wrote "%s" to sign at %s = %s schrieb "%s" auf das Schild bei %s
+Registered %s and %s = Registrierte %s und %s
+signs loaded = signs geladen
diff --git a/locale/template.txt b/locale/template.txt
new file mode 100644
index 0000000..c1851a8
--- /dev/null
+++ b/locale/template.txt
@@ -0,0 +1,9 @@
+#Template
+
+Reading cached character database. =
+Font seems to have changed. Rebuilding cache. =
+Could not find font line height in cached DB. Trying brute force. =
+Sign = 
+%s wrote "%s" to sign at %s = 
+Registered %s and %s = 
+signs loaded = 
diff --git a/textures/bg_signs_lib.jpg b/textures/bg_signs_lib.jpg
new file mode 100644
index 0000000..4b72268
--- /dev/null
+++ b/textures/bg_signs_lib.jpg
diff --git a/textures/hdf_20.png b/textures/hdf_20.png
new file mode 100644
index 0000000..465982d
--- /dev/null
+++ b/textures/hdf_20.png
diff --git a/textures/hdf_21.png b/textures/hdf_21.png
new file mode 100644
index 0000000..01929d4
--- /dev/null
+++ b/textures/hdf_21.png
diff --git a/textures/hdf_22.png b/textures/hdf_22.png
new file mode 100644
index 0000000..2acde25
--- /dev/null
+++ b/textures/hdf_22.png
diff --git a/textures/hdf_23.png b/textures/hdf_23.png
new file mode 100644
index 0000000..ace1437
--- /dev/null
+++ b/textures/hdf_23.png
diff --git a/textures/hdf_24.png b/textures/hdf_24.png
new file mode 100644
index 0000000..909b015
--- /dev/null
+++ b/textures/hdf_24.png
diff --git a/textures/hdf_25.png b/textures/hdf_25.png
new file mode 100644
index 0000000..30a7829
--- /dev/null
+++ b/textures/hdf_25.png
diff --git a/textures/hdf_26.png b/textures/hdf_26.png
new file mode 100644
index 0000000..d29936c
--- /dev/null
+++ b/textures/hdf_26.png
diff --git a/textures/hdf_27.png b/textures/hdf_27.png
new file mode 100644
index 0000000..9844e92
--- /dev/null
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diff --git a/textures/signs_metal_tb.png b/textures/signs_metal_tb.png
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--- /dev/null
+++ b/textures/signs_wall_sign_locked.png
diff --git a/textures/signs_white_black_front.png b/textures/signs_white_black_front.png
new file mode 100644
index 0000000..f4163f1
--- /dev/null
+++ b/textures/signs_white_black_front.png
diff --git a/textures/signs_white_black_inv.png b/textures/signs_white_black_inv.png
new file mode 100644
index 0000000..42bb014
--- /dev/null
+++ b/textures/signs_white_black_inv.png
diff --git a/textures/signs_white_red_front.png b/textures/signs_white_red_front.png
new file mode 100644
index 0000000..48216c9
--- /dev/null
+++ b/textures/signs_white_red_front.png
diff --git a/textures/signs_white_red_inv.png b/textures/signs_white_red_inv.png
new file mode 100644
index 0000000..52ac3c8
--- /dev/null
+++ b/textures/signs_white_red_inv.png
diff --git a/textures/signs_yellow_front.png b/textures/signs_yellow_front.png
new file mode 100644
index 0000000..4ce9082
--- /dev/null
+++ b/textures/signs_yellow_front.png
diff --git a/textures/signs_yellow_inv.png b/textures/signs_yellow_inv.png
new file mode 100644
index 0000000..86af53d
--- /dev/null
+++ b/textures/signs_yellow_inv.png
diff --git a/textures/slc_0.png b/textures/slc_0.png
new file mode 100644
index 0000000..17c6631
--- /dev/null
+++ b/textures/slc_0.png
diff --git a/textures/slc_1.png b/textures/slc_1.png
new file mode 100644
index 0000000..3cbbbe6
--- /dev/null
+++ b/textures/slc_1.png
diff --git a/textures/slc_2.png b/textures/slc_2.png
new file mode 100644
index 0000000..f86ae90
--- /dev/null
+++ b/textures/slc_2.png
diff --git a/textures/slc_3.png b/textures/slc_3.png
new file mode 100644
index 0000000..1938911
--- /dev/null
+++ b/textures/slc_3.png
diff --git a/textures/slc_4.png b/textures/slc_4.png
new file mode 100644
index 0000000..cdcb302
--- /dev/null
+++ b/textures/slc_4.png
diff --git a/textures/slc_5.png b/textures/slc_5.png
new file mode 100644
index 0000000..57ff7b5
--- /dev/null
+++ b/textures/slc_5.png
diff --git a/textures/slc_6.png b/textures/slc_6.png
new file mode 100644
index 0000000..de15f52
--- /dev/null
+++ b/textures/slc_6.png
diff --git a/textures/slc_7.png b/textures/slc_7.png
new file mode 100644
index 0000000..a38eb42
--- /dev/null
+++ b/textures/slc_7.png
diff --git a/textures/slc_8.png b/textures/slc_8.png
new file mode 100644
index 0000000..b0e5941
--- /dev/null
+++ b/textures/slc_8.png
diff --git a/textures/slc_9.png b/textures/slc_9.png
new file mode 100644
index 0000000..d2a0974
--- /dev/null
+++ b/textures/slc_9.png
diff --git a/textures/slc_A.png b/textures/slc_A.png
new file mode 100644
index 0000000..bed719c
--- /dev/null
+++ b/textures/slc_A.png
diff --git a/textures/slc_B.png b/textures/slc_B.png
new file mode 100644
index 0000000..f1f9d26
--- /dev/null
+++ b/textures/slc_B.png
diff --git a/textures/slc_C.png b/textures/slc_C.png
new file mode 100644
index 0000000..1822a5d
--- /dev/null
+++ b/textures/slc_C.png
diff --git a/textures/slc_D.png b/textures/slc_D.png
new file mode 100644
index 0000000..a9f06c4
--- /dev/null
+++ b/textures/slc_D.png
diff --git a/textures/slc_E.png b/textures/slc_E.png
new file mode 100644
index 0000000..d73776b
--- /dev/null
+++ b/textures/slc_E.png
diff --git a/textures/slc_F.png b/textures/slc_F.png
new file mode 100644
index 0000000..e59813b
--- /dev/null
+++ b/textures/slc_F.png
diff --git a/textures/slc_n.png b/textures/slc_n.png
new file mode 100644
index 0000000..8f59c9b
--- /dev/null
+++ b/textures/slc_n.png