Added the ability to place a sign onto a brass or wrought iron fence

uses code from PilzAdam's rework of thexyz's signs mod.

characters

@@ -0,0 +1,279 @@
+A
+_a_
+7
+B
+_b_
+5
+C
+_c_
+6
+D
+_d_
+6
+E
+_e_
+5
+F
+_f_
+5
+G
+_g_
+6
+H
+_h_
+6
+I
+_i_
+1
+J
+_j_
+4
+K
+_k_
+5
+L
+_l_
+4
+M
+_m_
+7
+N
+_n_
+6
+O
+_o_
+6
+P
+_p_
+5
+Q
+_q_
+7
+R
+_r_
+5
+S
+_s_
+5
+T
+_t_
+5
+U
+_u_
+6
+V
+_v_
+7
+W
+_w_
+9
+X
+_x_
+5
+Y
+_y_
+7
+Z
+_z_
+5
+a
+_a
+5
+b
+_b
+5
+c
+_c
+4
+d
+_d
+5
+e
+_e
+4
+f
+_f
+4
+g
+_g
+5
+h
+_h
+5
+i
+_i
+1
+j
+_j
+1
+k
+_k
+4
+l
+_l
+1
+m
+_m
+7
+n
+_n
+5
+o
+_o
+5
+p
+_p
+5
+q
+_q
+5
+r
+_r
+3
+s
+_s
+4
+t
+_t
+3
+u
+_u
+4
+v
+_v
+5
+w
+_w
+7
+x
+_x
+5
+y
+_y
+4
+z
+_z
+4
+ 
+_sp
+2
+0
+_0
+4
+1
+_1
+2
+2
+_2
+4
+3
+_3
+4
+4
+_4
+4
+5
+_5
+4
+6
+_6
+4
+7
+_7
+4
+8
+_8
+4
+9
+_9
+4
+(
+_bl
+2
+)
+_br
+2
+{
+_cl
+3
+}
+_cr
+3
+[
+_sl
+2
+]
+_sr
+2
+'
+_ap
+1
+!
+_ex
+1
+?
+_qu
+4
+@
+_at
+5
+#
+_hs
+5
+$
+_dl
+4
+%
+_pr
+5
+^
+_ca
+3
+&
+_am
+5
+*
+_as
+3
+_
+_un
+3
++
+_ps
+3
+-
+_mn
+3
+=
+_eq
+3
+;
+_sm
+1
+,
+_cm
+2
+"
+_qo
+3
+/
+_dv
+5
+~
+_tl
+4
+<
+_lt
+3
+>
+_gt
+3
+\
+_re
+5
+|
+_vb
+1
+.
+_dt
+1

crafts.lua

@@ -1321,6 +1321,29 @@ minetest.register_craft( {
         },
 })
 
+-- the version of brass/wrought iron fences with signs attached
+
+
+minetest.register_craft( {
+	type = "shapeless",
+        output = 'homedecor:fence_brass_with_sign',
+	recipe = {
+		'homedecor:fence_brass',
+		'default:sign_wall',
+	},
+})
+
+minetest.register_craft( {
+	type = "shapeless",
+        output = 'homedecor:fence_wrought_iron_with_sign',
+	recipe = {
+		'homedecor:fence_wrought_iron',
+		'default:sign_wall',
+	},
+})
+
+-- other types of fences/gates
+
 minetest.register_craft( {
         output = "homedecor:fence_picket 6",
         recipe = {

fences.lua

@@ -7,7 +7,6 @@ minetest.register_node("homedecor:fence_brass", {
 	inventory_image = "homedecor_fence_brass.png",
 	wield_image = "homedecor_pole_brass.png",
 	paramtype = "light",
-        is_ground_content = true,
 	selection_box = {
 	        type = "fixed",
 	        fixed = {-1/7, -1/2, -1/7, 1/7, 1/2, 1/7},
@@ -17,6 +16,7 @@ minetest.register_node("homedecor:fence_brass", {
 	walkable = true,
 })
 
+
 minetest.register_node("homedecor:fence_wrought_iron", {
 	description = "Wrought Iron Fence/railing",
 	drawtype = "fencelike",
@@ -24,7 +24,6 @@ minetest.register_node("homedecor:fence_wrought_iron", {
 	inventory_image = "homedecor_fence_wrought_iron.png",
 	wield_image = "homedecor_pole_wrought_iron.png",
 	paramtype = "light",
-        is_ground_content = true,
 	selection_box = {
 	        type = "fixed",
 	        fixed = {-1/7, -1/2, -1/7, 1/7, 1/2, 1/7},
@@ -34,6 +33,116 @@ minetest.register_node("homedecor:fence_wrought_iron", {
 	walkable = true,
 })
 
+-- brass/wrought iron with signs:
+
+minetest.register_node("homedecor:fence_brass_with_sign", {
+	description = "Brass Fence/railing with sign",
+	drawtype = "nodebox",
+	tiles = {
+		"homedecor_sign_brass_post_top.png",
+		"homedecor_sign_brass_post_bottom.png",
+		"homedecor_sign_brass_post_side.png",
+		"homedecor_sign_brass_post_side.png",
+		"homedecor_sign_brass_post_back.png",
+		"homedecor_sign_brass_post_front.png",
+	},
+	inventory_image = "homedecor_sign_brass_post.png",
+	wield_image = "homedecor_sign_brass_post.png",
+	paramtype = "light",
+	paramtype2 = "facedir",
+	node_box = {
+		type = "fixed",
+		fixed = { 
+			{ -0.125, -0.5, -0.125, 0.125, 0.5, 0.125 },
+			{ -0.45, -0.1875, -0.225, 0.45, 0.4375, -0.125 },
+		}
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = { 
+			{ -0.125, -0.5, -0.125, 0.125, 0.5, 0.125 },
+			{ -0.45, -0.1875, -0.225, 0.45, 0.4375, -0.125 },
+		}
+	},
+	groups = {snappy=3},
+	sounds = default.node_sound_wood_defaults(),
+	walkable = true,
+	drop = {
+		max_items = 2,
+		items = {
+			{ items = { "default:sign_wall" }},
+			{ items = { "homedecor:fence_brass" }},
+		},
+	},
+	on_construct = function(pos)
+		homedecor_construct_sign(pos)
+	end,
+	on_destruct = function(pos)
+		homedecor_destruct_sign(pos)
+	end,
+	on_receive_fields = function(pos, formname, fields, sender)
+		homedecor_update_sign(pos, fields)
+	end,
+	on_punch = function(pos, node, puncher)
+		homedecor_update_sign(pos)
+	end,
+})
+
+minetest.register_node("homedecor:fence_wrought_iron_with_sign", {
+	description = "Wrought Iron Fence/railing with sign",
+	drawtype = "nodebox",
+		tiles = {
+		"homedecor_sign_wrought_iron_post_top.png",
+		"homedecor_sign_wrought_iron_post_bottom.png",
+		"homedecor_sign_wrought_iron_post_side.png",
+		"homedecor_sign_wrought_iron_post_side.png",
+		"homedecor_sign_wrought_iron_post_back.png",
+		"homedecor_sign_wrought_iron_post_front.png",
+	},
+	inventory_image = "homedecor_sign_wrought_iron_post.png",
+	wield_image = "homedecor_sign_wrought_iron_post.png",
+	paramtype = "light",
+	paramtype2 = "facedir",
+	node_box = {
+		type = "fixed",
+		fixed = { 
+			{ -0.125, -0.5, -0.125, 0.125, 0.5, 0.125 },
+			{ -0.45, -0.1875, -0.225, 0.45, 0.4375, -0.125 },
+		}
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = { 
+			{ -0.125, -0.5, -0.125, 0.125, 0.5, 0.125 },
+			{ -0.45, -0.1875, -0.225, 0.45, 0.4375, -0.125 },
+		}
+	},
+	groups = {snappy=3},
+	sounds = default.node_sound_wood_defaults(),
+	walkable = true,
+	drop = {
+		max_items = 2,
+		items = {
+			{ items = { "default:sign_wall" }},
+			{ items = { "homedecor:fence_wrought_iron" }},
+		},
+	},
+	on_construct = function(pos)
+		homedecor_construct_sign(pos)
+	end,
+	on_destruct = function(pos)
+		homedecor_destruct_sign(pos)
+	end,
+	on_receive_fields = function(pos, formname, fields, sender)
+		homedecor_update_sign(pos, fields)
+	end,
+	on_punch = function(pos, node, puncher)
+		homedecor_update_sign(pos)
+	end,
+})
+
+-- other types of fences
+
 minetest.register_node("homedecor:fence_picket", {
 	drawtype = "nodebox",
         description = "Unpainted Picket Fence",

init.lua

@@ -793,8 +793,10 @@ end
 dofile(minetest.get_modpath("homedecor").."/door_models.lua")
 dofile(minetest.get_modpath("homedecor").."/door_nodes.lua")
 
-dofile(minetest.get_modpath("homedecor").."/lighting.lua")
+dofile(minetest.get_modpath("homedecor").."/signs_lib.lua")
 dofile(minetest.get_modpath("homedecor").."/fences.lua")
+
+dofile(minetest.get_modpath("homedecor").."/lighting.lua")
 dofile(minetest.get_modpath("homedecor").."/kitchen_cabinet.lua")
 dofile(minetest.get_modpath("homedecor").."/refrigerator.lua")
 dofile(minetest.get_modpath("homedecor").."/oven.lua")

signs_lib.lua

@@ -0,0 +1,191 @@
+-- This code was borrowed from Pilzadam's rework of thexyz's signs mod
+
+-- Font: 04.jp.org
+
+-- load characters map
+local chars_file = io.open(minetest.get_modpath("homedecor").."/characters", "r")
+local charmap = {}
+local max_chars = 16
+if not chars_file then
+    print("[homedecor] E: character map file not found")
+else
+    while true do
+        local char = chars_file:read("*l")
+        if char == nil then
+            break
+        end
+        local img = chars_file:read("*l")
+        chars_file:read("*l")
+        charmap[char] = img
+    end
+end
+
+local signs_post = {
+    {delta = {x = 0, y = 0, z = -0.226}, yaw = 0},
+    {delta = {x = -0.226, y = 0, z = 0}, yaw = math.pi / -2},
+    {delta = {x = 0, y = 0, z = 0.226}, yaw = math.pi},
+    {delta = {x = 0.226, y = 0, z = 0}, yaw = math.pi / 2},
+}
+
+homedecor_construct_sign = function(pos)
+    local meta = minetest.env:get_meta(pos)
+	meta:set_string("formspec", "field[text;;${text}]")
+	meta:set_string("infotext", "")
+end
+
+homedecor_destruct_sign = function(pos)
+    local objects = minetest.env:get_objects_inside_radius(pos, 0.5)
+    for _, v in ipairs(objects) do
+        if v:get_entity_name() == "homedecor:sign_text" then
+            v:remove()
+        end
+    end
+end
+
+homedecor_update_sign = function(pos, fields)
+    local meta = minetest.env:get_meta(pos)
+	meta:set_string("infotext", "")
+	if fields then
+		meta:set_string("text", fields.text)
+	end
+    local text = meta:get_string("text")
+    local objects = minetest.env:get_objects_inside_radius(pos, 0.5)
+    for _, v in ipairs(objects) do
+        if v:get_entity_name() == "homedecor:sign_text" then
+            v:set_properties({textures={homedecor_generate_texture(homedecor_create_lines(text))}})
+			return
+        end
+    end
+	
+	-- if there is no entity
+	local sign_info
+	if minetest.env:get_node(pos).name == "homedecor:fence_brass_with_sign" 
+	    or minetest.env:get_node(pos).name == "homedecor:fence_wrought_iron_with_sign" then
+		sign_info = signs_post[minetest.env:get_node(pos).param2 + 1]
+	end
+	if sign_info == nil then
+		return
+	end
+	local text = minetest.env:add_entity({x = pos.x + sign_info.delta.x,
+						y = pos.y + sign_info.delta.y,
+						z = pos.z + sign_info.delta.z}, "homedecor:sign_text")
+	text:setyaw(sign_info.yaw)
+end
+
+minetest.register_entity("homedecor:sign_text", {
+    collisionbox = { 0, 0, 0, 0, 0, 0 },
+    visual = "upright_sprite",
+    textures = {},
+
+    on_activate = function(self)
+        local meta = minetest.env:get_meta(self.object:getpos())
+        local text = meta:get_string("text")
+        self.object:set_properties({textures={homedecor_generate_texture(homedecor_create_lines(text))}})
+    end
+})
+
+-- CONSTANTS
+local SIGN_WITH = 110
+local SIGN_PADDING = 8
+
+local LINE_LENGTH = 16
+local NUMBER_OF_LINES = 4
+
+local LINE_HEIGHT = 14
+local CHAR_WIDTH = 5
+
+homedecor_string_to_array = function(str)
+	local tab = {}
+	for i=1,string.len(str) do
+		table.insert(tab, string.sub(str, i,i))
+	end
+	return tab
+end
+
+homedecor_string_to_word_array = function(str)
+	local tab = {}
+	local current = 1
+	tab[1] = ""
+	for _,char in ipairs(homedecor_string_to_array(str)) do
+		if char ~= " " then
+			tab[current] = tab[current]..char
+		else
+			current = current+1
+			tab[current] = ""
+		end
+	end
+	return tab
+end
+
+homedecor_create_lines = function(text)
+	local line = ""
+	local line_num = 1
+	local tab = {}
+	for _,word in ipairs(homedecor_string_to_word_array(text)) do
+		if string.len(line)+string.len(word) < LINE_LENGTH and word ~= "|" then
+			if line ~= "" then
+				line = line.." "..word
+			else
+				line = word
+			end
+		else
+			table.insert(tab, line)
+			if word ~= "|" then
+				line = word
+			else
+				line = ""
+			end
+			line_num = line_num+1
+			if line_num > NUMBER_OF_LINES then
+				return tab
+			end
+		end
+	end
+	table.insert(tab, line)
+	return tab
+end
+
+homedecor_generate_texture = function(lines)
+    local texture = "[combine:"..SIGN_WITH.."x"..SIGN_WITH
+    local ypos = 12
+    for i = 1, #lines do
+        texture = texture..homedecor_generate_line(lines[i], ypos)
+        ypos = ypos + LINE_HEIGHT
+    end
+    return texture
+end
+
+homedecor_generate_line = function(s, ypos)
+    local i = 1
+    local parsed = {}
+    local width = 0
+    local chars = 0
+    while chars < max_chars and i <= #s do
+        local file = nil
+        if charmap[s:sub(i, i)] ~= nil then
+            file = charmap[s:sub(i, i)]
+            i = i + 1
+        elseif i < #s and charmap[s:sub(i, i + 1)] ~= nil then
+            file = charmap[s:sub(i, i + 1)]
+            i = i + 2
+        else
+            print("[homedecor] W: unknown symbol in '"..s.."' at "..i.." (probably "..s:sub(i, i)..")")
+            i = i + 1
+        end
+        if file ~= nil then
+            width = width + CHAR_WIDTH
+            table.insert(parsed, file)
+            chars = chars + 1
+        end
+    end
+    width = width - 1
+
+    local texture = ""
+    local xpos = math.floor((SIGN_WITH - 2 * SIGN_PADDING - width) / 2 + SIGN_PADDING)
+    for i = 1, #parsed do
+        texture = texture..":"..xpos..","..ypos.."="..parsed[i]..".png"
+        xpos = xpos + CHAR_WIDTH + 1
+    end
+    return texture
+end
+