Use codepoints for charmap

mods/ITEMS/mcl_signs/API.md

@@ -64,4 +64,4 @@ The format expects 1 row with 3 columns per character:
 All character textures must be 12 pixels high and 5 or 6 pixels wide (5
 is preferred).
 
-Can be accessed by other mods via `mcl_signs.charmap["?"]`.
+Can be accessed by other mods via `mcl_signs.charmap[<utf-8 codepoint>]`.

mods/ITEMS/mcl_signs/README.md

@@ -4,7 +4,7 @@
 * Adapted for MineClone2 by Wuzzy
 * Later massively extended by Michieal
 * Mostly rewritten for Mineclonia and simplified by cora
-* Re-adapted for VoxeLibre and improved upon by rudzik8
+* Reworked for VoxeLibre with UTF-8 support by rudzik8
 
 
 ## Characters

mods/ITEMS/mcl_signs/api.lua

@@ -148,8 +148,7 @@ local function generate_line(codepoints, ypos)
 
 	for _, code in ipairs(codepoints) do
 		local file = "_rc"
-		local char = utf8.char(code)
-		if charmap[char] then file = charmap[char] end
+		if charmap[code] then file = charmap[code] end
 
 		width = width + printed_char_width
 		table.insert(parsed, file)

mods/ITEMS/mcl_signs/characters.tsv

@@ -303,12 +303,6 @@ _	_un	3
 
 А	_a_	7
 а	_a	5
-А̀	_a_grave_	7
-а̀	_a_grave	5
-А̂	_a_circumflex_	7
-а̂	_a_circumflex	5
-А̄	_a_macron_	7
-а̄	_a_macron	5
 Ӑ	_a_breve_	7
 ӑ	_a_breve	5
 Ӓ	_ae_	7

mods/ITEMS/mcl_signs/init.lua

@@ -14,7 +14,8 @@ for line in io.lines(modpath .. DIR_DELIM .. "characters.tsv") do
 	local split = line:split("\t")
 	if #split == 3 then
 		local char, img, _ = split[1], split[2], split[3] -- 3rd is ignored, reserved for width
-		charmap[char] = img
+		local code = utf8.codepoint(char)
+		charmap[code] = img
 	end
 end
 mcl_signs.charmap = charmap