forked from mtcontrib/homedecor_modpack
Fixed offset bug in sign entities.
Existing signs' text will not be moved - this fix only applies to newly-placed signs (or at leasty, newly-spawned text entities e.g. after /clearobjects followed by punching). Also, made a few functions local that didn't really need to be global, some minor re-arranging of the code to accommodate the above and to tidy it up a bit.
This commit is contained in:
Vanessa Ezekowitz
parent
e6e8cf04e8
commit
ce09d71c4f
253
signs_lib.lua
253
signs_lib.lua
@ -1,5 +1,47 @@
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-- Font: 04.jp.org
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-- CONSTANTS
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local SIGN_WIDTH = 110
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local SIGN_PADDING = 8
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local LINE_LENGTH = 16
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local NUMBER_OF_LINES = 4
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local LINE_HEIGHT = 14
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local CHAR_WIDTH = 5
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local signs = {
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{delta = {x = -0.06, y = 0, z = 0.399}, yaw = 0},
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{delta = {x = 0.399, y = 0, z = 0.06}, yaw = math.pi / -2},
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{delta = {x = 0.06, y = 0, z = -0.399}, yaw = math.pi},
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{delta = {x = -0.399, y = 0, z = -0.06}, yaw = math.pi / 2},
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}
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local signs_yard = {
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{delta = {x = -0.06, y = 0, z = -0.05}, yaw = 0},
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{delta = {x = -0.05, y = 0, z = 0.06}, yaw = math.pi / -2},
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{delta = {x = 0.06, y = 0, z = 0.05}, yaw = math.pi},
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{delta = {x = 0.05, y = 0, z = -0.06}, yaw = math.pi / 2},
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}
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local signs_post = {
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{delta = {x = -0.06, y = 0, z = -0.226}, yaw = 0},
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{delta = {x = -0.226, y = 0, z = 0.06}, yaw = math.pi / -2},
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{delta = {x = 0.06, y = 0, z = 0.226}, yaw = math.pi},
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{delta = {x = 0.226, y = 0, z = -0.06}, yaw = math.pi / 2},
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}
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local sign_groups = {choppy=2, dig_immediate=2}
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local fences_with_sign = { }
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-- Misc variables
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local chars_file = io.open(minetest.get_modpath("homedecor").."/characters", "r")
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local charmap = {}
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local max_chars = 16
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-- Boilerplate to support localized strings if intllib mod is installed.
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local S
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if homedecor.intllib_modpath then
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@ -9,10 +51,92 @@ else
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S = function ( s ) return s end
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end
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-- some local helper functions
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local homedecor_create_lines = function(text)
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local tab = {}
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for line in text:gmatch("([^|]+)|?") do
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line = line:gsub("^%s*(.*)%s*$", "%1") -- Trim whitespace
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table.insert(tab, line)
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if #tab >= NUMBER_OF_LINES then break end
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end
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return tab
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end
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local math_max = math.max
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local homedecor_generate_line = function(s, ypos)
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local i = 1
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local parsed = {}
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local width = 0
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local maxw = 0
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local chars = 0
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while i <= #s do
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local file = nil
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if charmap[s:sub(i, i)] ~= nil then
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file = charmap[s:sub(i, i)]
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i = i + 1
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elseif i < #s and charmap[s:sub(i, i + 1)] ~= nil then
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file = charmap[s:sub(i, i + 1)]
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i = i + 2
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else
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print("[signs] W: unknown symbol in '"..s.."' at "..i.." (probably "..s:sub(i, i)..")")
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i = i + 1
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end
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if file ~= nil then
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width = width + CHAR_WIDTH
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maxw = math_max(width, maxw)
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chars = chars + 1
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if chars > max_chars then
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width = 0
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end
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table.insert(parsed, file)
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end
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end
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maxw = maxw - 1
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local texture = { }
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local start_xpos = math.floor((SIGN_WIDTH - 2 * SIGN_PADDING - maxw) / 2 + SIGN_PADDING)
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local xpos = start_xpos
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local linepos = 0
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for i = 1, #parsed do
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table.insert(texture, (":%d,%d=%s.png"):format(xpos, ypos, parsed[i]))
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xpos = xpos + CHAR_WIDTH + 1
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linepos = linepos + 1
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if linepos > max_chars then
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xpos = start_xpos
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linepos = 0
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ypos = ypos + LINE_HEIGHT
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end
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end
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return table.concat(texture, ""), ypos
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end
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local function copy ( t )
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local nt = { };
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for k, v in pairs(t) do
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if type(v) == "table" then
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nt[k] = copy(v)
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else
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nt[k] = v
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end
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end
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return nt
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end
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local homedecor_generate_texture = function(lines)
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local texture = { ("[combine:%dx%d"):format(SIGN_WIDTH, SIGN_WIDTH) }
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local ypos = 12
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for i = 1, #lines do
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local linetex, yp = homedecor_generate_line(lines[i], ypos)
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table.insert(texture, linetex)
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ypos = yp + LINE_HEIGHT
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end
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return table.concat(texture, "")
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end
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-- load characters map
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local chars_file = io.open(minetest.get_modpath("homedecor").."/characters", "r")
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local charmap = {}
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local max_chars = 16
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if not chars_file then
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print("[signs] "..S("E: character map file not found"))
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else
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@ -27,31 +151,6 @@ else
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end
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end
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local signs = {
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{delta = {x = 0, y = 0, z = 0.399}, yaw = 0},
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{delta = {x = 0.399, y = 0, z = 0}, yaw = math.pi / -2},
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{delta = {x = 0, y = 0, z = -0.399}, yaw = math.pi},
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{delta = {x = -0.399, y = 0, z = 0}, yaw = math.pi / 2},
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}
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local signs_yard = {
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{delta = {x = 0, y = 0, z = -0.05}, yaw = 0},
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{delta = {x = -0.05, y = 0, z = 0}, yaw = math.pi / -2},
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{delta = {x = 0, y = 0, z = 0.05}, yaw = math.pi},
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{delta = {x = 0.05, y = 0, z = 0}, yaw = math.pi / 2},
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}
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local signs_post = {
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{delta = {x = 0, y = 0, z = -0.226}, yaw = 0},
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{delta = {x = -0.226, y = 0, z = 0}, yaw = math.pi / -2},
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{delta = {x = 0, y = 0, z = 0.226}, yaw = math.pi},
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{delta = {x = 0.226, y = 0, z = 0}, yaw = math.pi / 2},
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}
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local sign_groups = {choppy=2, dig_immediate=2}
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local fences_with_sign = { }
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homedecor.construct_sign = function(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("formspec", "field[text;;${text}]")
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@ -70,14 +169,14 @@ end
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homedecor.update_sign = function(pos, fields)
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local meta = minetest.get_meta(pos)
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if fields then
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meta:set_string("infotext", table.concat(homedecor.create_lines(fields.text), "\n"))
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meta:set_string("infotext", table.concat(homedecor_create_lines(fields.text), "\n"))
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meta:set_string("text", fields.text)
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end
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local text = meta:get_string("text")
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local objects = minetest.get_objects_inside_radius(pos, 0.5)
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for _, v in ipairs(objects) do
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if v:get_entity_name() == "signs:text" then
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v:set_properties({textures={homedecor.generate_texture(homedecor.create_lines(text))}})
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v:set_properties({textures={homedecor_generate_texture(homedecor_create_lines(text))}})
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return
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end
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end
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@ -290,7 +389,7 @@ if not homedecor.disable_signs then
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signs_text_on_activate = function(self)
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local meta = minetest.get_meta(self.object:getpos())
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local text = meta:get_string("text")
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self.object:set_properties({textures={homedecor.generate_texture(homedecor.create_lines(text))}})
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self.object:set_properties({textures={homedecor_generate_texture(homedecor_create_lines(text))}})
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end
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else
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signs_text_on_activate = function(self)
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@ -307,97 +406,7 @@ minetest.register_entity(":signs:text", {
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on_activate = signs_text_on_activate,
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})
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-- CONSTANTS
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local SIGN_WIDTH = 110
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local SIGN_PADDING = 8
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local LINE_LENGTH = 16
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local NUMBER_OF_LINES = 4
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local LINE_HEIGHT = 14
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local CHAR_WIDTH = 5
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homedecor.create_lines = function(text)
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local tab = {}
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for line in text:gmatch("([^|]+)|?") do
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line = line:gsub("^%s*(.*)%s*$", "%1") -- Trim whitespace
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table.insert(tab, line)
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if #tab >= NUMBER_OF_LINES then break end
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end
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return tab
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end
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homedecor.generate_texture = function(lines)
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local texture = { ("[combine:%dx%d"):format(SIGN_WIDTH, SIGN_WIDTH) }
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local ypos = 12
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for i = 1, #lines do
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local linetex, yp = homedecor.generate_line(lines[i], ypos)
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table.insert(texture, linetex)
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ypos = yp + LINE_HEIGHT
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end
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return table.concat(texture, "")
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end
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local math_max = math.max
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homedecor.generate_line = function(s, ypos)
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local i = 1
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local parsed = {}
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local width = 0
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local maxw = 0
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local chars = 0
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while i <= #s do
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local file = nil
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if charmap[s:sub(i, i)] ~= nil then
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file = charmap[s:sub(i, i)]
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i = i + 1
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elseif i < #s and charmap[s:sub(i, i + 1)] ~= nil then
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file = charmap[s:sub(i, i + 1)]
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i = i + 2
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else
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print("[signs] W: unknown symbol in '"..s.."' at "..i.." (probably "..s:sub(i, i)..")")
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i = i + 1
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end
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if file ~= nil then
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width = width + CHAR_WIDTH
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maxw = math_max(width, maxw)
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chars = chars + 1
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if chars > max_chars then
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width = 0
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end
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table.insert(parsed, file)
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end
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end
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maxw = maxw - 1
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local texture = { }
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local start_xpos = math.floor((SIGN_WIDTH - 2 * SIGN_PADDING - maxw) / 2 + SIGN_PADDING)
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local xpos = start_xpos
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local linepos = 0
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for i = 1, #parsed do
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table.insert(texture, (":%d,%d=%s.png"):format(xpos, ypos, parsed[i]))
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xpos = xpos + CHAR_WIDTH + 1
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linepos = linepos + 1
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if linepos > max_chars then
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xpos = start_xpos
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linepos = 0
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ypos = ypos + LINE_HEIGHT
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end
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end
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return table.concat(texture, ""), ypos
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end
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local function copy ( t )
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local nt = { };
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for k, v in pairs(t) do
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if type(v) == "table" then
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nt[k] = copy(v)
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else
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nt[k] = v
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end
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end
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return nt
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end
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-- And the good stuff here! :-)
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function homedecor.register_fence_with_sign(fencename, fencewithsignname)
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local def = minetest.registered_nodes[fencename]
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