Add Ukrainian localization (#36)

* Fix placing certain signs

This fixes https://github.com/mt-mods/signs_lib/issues/1 by removing node extensions before placing, just incase player got a hold of certain sign nodes they shouldnt have.

* fix typo

fix typo

api.lua

@@ -467,6 +467,15 @@ signs_lib.charwidth_wide32 = build_char_db(32)
 
 local math_max = math.max
 
+local function fill_line(x, y, w, c, font_size, colorbgw)
+	c = c or "0"
+	local tex = { }
+	for xx = x, w, colorbgw do
+		table.insert(tex, (":%d,%d=signs_lib_color_"..font_size.."px_%s.png"):format(xx, y, c))
+	end
+	return table.concat(tex)
+end
+
 -- make char texture file name
 -- if texture file does not exist use fallback texture instead
 local function char_tex(font_name, ch)
@@ -502,26 +511,6 @@ local function char_tex_wide(font_name, ch)
 	end
 end
 
--- sign colour table
-local colgrid = {
-	["0"] = "000000", -- black
-	["1"] = "000080", -- blue
-	["2"] = "008000", -- dark green
-	["3"] = "008080", -- dark cyan
-	["4"] = "800000", -- red
-	["5"] = "800080", -- purple
-	["6"] = "804000", -- brown
-	["7"] = "808080", -- light grey
-	["8"] = "404040", -- dark grey
-	["9"] = "8080ff", -- light blue
-	["A"] = "80ff80", -- green
-	["B"] = "80ffff", -- cyan
-	["C"] = "ff8080", -- skin pink
-	["D"] = "ff80ff", -- pink
-	["E"] = "ffff00", -- yellow
-	["F"] = "ffffff"  -- white
-}
-
 local function make_line_texture(line, lineno, pos, line_width, line_height, cwidth_tab, font_size, colorbgw, cwidth_tab_wide, force_unicode_font)
 	local width = 0
 	local maxw = 0
@@ -595,7 +584,7 @@ local function make_line_texture(line, lineno, pos, line_width, line_height, cwi
 				end
 				if w then
 					width = width + w
-					if width >= (line_width - cwidth_tab[" "]) then
+					if width > line_width then
 						width = 0
 					else
 						maxw = math_max(width, maxw)
@@ -618,6 +607,7 @@ local function make_line_texture(line, lineno, pos, line_width, line_height, cwi
 							off = ch_offs,
 							tex = tex,
 							col = ("%X"):format(cur_color),
+							w = w,
 						})
 					end
 					ch_offs = ch_offs + w
@@ -627,7 +617,7 @@ local function make_line_texture(line, lineno, pos, line_width, line_height, cwi
 				local w = cwidth_tab[c]
 				if w then
 					width = width + w
-					if width >= (line_width - cwidth_tab[" "]) then
+					if width > line_width then
 						width = 0
 					else
 						maxw = math_max(width, maxw)
@@ -637,6 +627,7 @@ local function make_line_texture(line, lineno, pos, line_width, line_height, cwi
 							off = ch_offs,
 							tex = char_tex(font_name, c),
 							col = ("%X"):format(cur_color),
+							w = w,
 						})
 					end
 					ch_offs = ch_offs + w
@@ -653,29 +644,43 @@ local function make_line_texture(line, lineno, pos, line_width, line_height, cwi
 
 	local texture = { }
 
-	local start_xpos = math.floor((line_width - maxw) / 2) + def.x_offset
+	local start_xpos = math.max(0, math.floor((line_width - maxw) / 2)) + def.x_offset
+	local end_xpos = math.min(start_xpos + maxw, line_width)
 
 	local xpos = start_xpos
 	local ypos = (line_height + def.line_spacing)* lineno + def.y_offset
 
+	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
+		if (xoffs > 0) and ((xoffs + word.w) > end_xpos) then
+			table.insert(texture, fill_line(xpos, ypos, end_xpos, "n", font_size, colorbgw))
 			xpos = start_xpos
 			ypos = ypos + line_height + def.line_spacing
 			lineno = lineno + 1
 			if lineno >= def.number_of_lines then break end
+			table.insert(texture, fill_line(xpos, ypos, end_xpos, cur_color, font_size, colorbgw))
 		end
 		for ch_i, ch in ipairs(word.chars) do
-
+			if xpos + ch.off + ch.w > end_xpos then
-			-- colorize character texture
+				table.insert(texture, fill_line(xpos + ch.off, ypos, end_xpos, "n", font_size, colorbgw))
-			local newtex = ch.tex .. '\\^[colorize\\:#' .. colgrid[ch.col]
+				break
-
-			table.insert(texture, (":%d,%d=%s"):format(xpos + ch.off, ypos, newtex))
 			end
-		xpos = xpos + word.w + cwidth_tab[" "]
+			if ch.col ~= cur_color then
-		if xpos >= (line_width + cwidth_tab[" "]) then break end
+				cur_color = ch.col
+				table.insert(texture, fill_line(xpos + ch.off, ypos, end_xpos, cur_color, font_size, colorbgw))
 			end
+			table.insert(texture, (":%d,%d=%s"):format(xpos + ch.off, ypos, ch.tex))
+		end
+		xpos = xpos + word.w
+		if xpos < end_xpos then
+			table.insert(texture, (":%d,%d="):format(xpos, ypos) .. char_tex(font_name, " "))
+			xpos = xpos + cwidth_tab[" "]
+		end
+	end
+
+	table.insert(texture, fill_line(xpos, ypos, end_xpos, "n", font_size, colorbgw))
 
 	return table.concat(texture), lineno
 end
@@ -721,7 +726,7 @@ function signs_lib.make_sign_texture(lines, pos)
 		table.insert(texture, linetex)
 		lineno = ln + 1
 	end
-
+	table.insert(texture, "^[makealpha:0,0,0")
 	return table.concat(texture, "")
 end
 
@@ -813,6 +818,9 @@ function signs_lib.update_sign(pos, fields)
 	local ownstr = ""
 	if owner ~= "" then ownstr = S("Locked sign, owned by @1\n", owner) end
 
+	-- Fix pasting from Windows: CR instead of LF
+	text = string.gsub(text, "\r\n?", "\n")
+
 	meta:set_string("text", text)
 	meta:set_string("infotext", ownstr..make_infotext(text).." ")
 
@@ -938,7 +946,13 @@ function signs_lib.after_place_node(pos, placer, itemstack, pointed_thing, locke
 	local controls = placer:get_player_control()
 
 	local signname = itemstack:get_name()
+
+	-- in case player has sign nodes they shouldn't, remove extensions for normal sign
 	local no_wall_name = string.gsub(signname, "_wall", "")
+	no_wall_name = string.gsub(no_wall_name, "_yard", "")
+	no_wall_name = string.gsub(no_wall_name, "_hanging", "")
+	no_wall_name = string.gsub(no_wall_name, "_onpole_horiz", "")
+	no_wall_name = string.gsub(no_wall_name, "_onpole", "")
 
 	local def = minetest.registered_items[signname]
 
@@ -1002,6 +1016,7 @@ end
 
 function signs_lib.register_sign(name, raw_def)
 	local def = table.copy(raw_def)
+	def.is_ground_content = false
 
 	if raw_def.entity_info == "standard" then
 		def.entity_info = {

encoding.lua

@@ -231,6 +231,7 @@ signs_lib.unicode_install({38,"26"})
 dofile(signs_lib.path.."/nonascii-de.lua")
 dofile(signs_lib.path.."/nonascii-fr.lua")
 dofile(signs_lib.path.."/nonascii-pl.lua")
+dofile(signs_lib.path.."/nonascii-ua.lua")
 
 local nmdc = {
 	[36] = "$",

locale/signs_lib.uk.tr

@@ -0,0 +1,14 @@
+# textdomain: signs_lib
+Signs Lib=Таблички Lib
+Adds signs with readable text.=Додає таблички з читабельним текстом.
+Locked sign, owned by @1@n=Захищена табличка (власник @1@n)
+Skims through all currently-loaded sign-bearing mapblocks, clears away any entities within each sign's node space, and regenerates their text entities, if any.=Перевіряє всі завантажені блоки з табличками, очищає їхній простір від об'єктів і відновлює текст, якщо потрібно.
+There are no signs in the currently-loaded terrain.=Не знайдено табличок на поточній провантаженій території.
+Found a total of @1 sign nodes across @2 blocks.=Загалом знайдено @1 табличок в @2 блоках.
+Regenerating sign entities ...=Регенерація сутностей табличок...
+Finished.=Завершено.
+Write=Записати
+Unicode font=Юнікод
+Wide font=Широкий
+Wooden Wall Sign=Дерев'яна табличка
+Steel Wall Sign=Сталева табличка

nonascii-ua.lua

@@ -0,0 +1,8 @@
+signs_lib.unicode_install({208,132,"0404"})
+signs_lib.unicode_install({208,134,"0406"})
+signs_lib.unicode_install({208,135,"0407"})
+signs_lib.unicode_install({209,148,"0454"})
+signs_lib.unicode_install({209,150,"0456"})
+signs_lib.unicode_install({209,151,"0457"})
+signs_lib.unicode_install({210,144,"0490"})
+signs_lib.unicode_install({210,145,"0491"})