redef fun write_into(text_sprites, text)
	do
		var dx = 0.0
		var dy = 0.0
		var text_width = 0.0
		var line_sprites = new Array[Sprite]
		var height = 0.0

		# Has the current line height been added to `height`?
		var line_height_counted = false

		# TextSprite customization
		var max_width = text_sprites.max_width
		var max_height = text_sprites.max_height
		var scale = text_sprites.scale

		# Font customization
		var line_height = desc.line_height * scale
		var partial_line_skip = line_height * partial_line_mod.to_f

		# Links data
		text_sprites.links.clear
		var in_link = false
		var link_sprites = new Array[Sprite]
		var link_name = ""

		# Loop over all characters
		var prev_char = null
		var i = -1
		while i < text.length - 1 do
			i += 1
			var c = text[i]

			# Special characters
			var word_break = false
			if c == '\n' then
				justify(line_sprites, text_sprites.align, dx)
				dy -= line_height
				if max_height != null and max_height < -dy + line_height then break
				dx = 0.0
				if not line_height_counted then
					# Force to account for empty lines
					height += line_height
				end
				line_height_counted = false
				prev_char = null
				continue
			else if c == pld then
				dy -= partial_line_skip
				height += partial_line_skip
				word_break = true
				continue
			else if c == plu then
				dy += partial_line_skip
				height -= partial_line_skip # We could keep two heights and return the max
				word_break = true
				continue
			else if c.is_whitespace then
				var space_advance = if desc.chars.keys.has(' ') then
						desc.chars[' '].xadvance
					else if desc.chars.keys.has('f') then
						desc.chars['f'].xadvance
					else 16.0
				dx += space_advance * scale
				word_break = true
			else if c == '[' then
				# Open link?
				if i + 1 < text.length and text[i+1] == '[' then
					# Escape if duplicated
					i += 1
				else
					in_link = true
					continue
				end
			else if c == ']' then
				# Close link?
				if i + 1 < text.length and text[i+1] == ']' then
					# Escape if duplicated
					i += 1
				else
					# If there's a () use it as link_name
					var j = i + 1
					if j < text.length and text[j] == '(' then
						var new_name
						new_name = ""
						loop
							j += 1
							if j > text.length then
								# No closing ), abort
								new_name = null
								break
							end

							var l = text[j]
							if l == ')' then break
							new_name += l.to_s
						end
						if new_name != null then
							link_name = new_name
							i = j
						end
					end

					# Register the link for the clients
					text_sprites.links[link_name] = link_sprites

					# Prepare next link
					in_link = false
					link_sprites = new Array[Sprite]
					link_name = ""
					continue
				end
			end

			if in_link then link_name += c.to_s

			# End of a word?
			if word_break then
				# If we care about line width, check for overflow
				if max_width != null then
					# Calculate the length of the next word
					var prev_w = null
					var word_len = 0.0
					for wi in [i+1..text.length[ do
						var w = text[wi]

						if w == '\n' or w == pld or w == plu or w.is_whitespace or (in_link and w == ']') then break

						if not desc.chars.keys.has(w) then
							var rc = replacement_char
							if rc == null then continue
							w = rc
						end

						word_len += advance(prev_w, w) * scale
						prev_w = w
					end

					# Would the line be too long?
					if dx + word_len > max_width then
						justify(line_sprites, text_sprites.align, dx)
						dy -= line_height
						if max_height != null and max_height < -dy + line_height then break
						dx = 0.0
						line_height_counted = false

						if not text_sprites.wrap then
							# Cut short, skip everything until the next new line
							while c != '\n' and i < text.length - 1 do
								i += 1
								c = text[i]
							end
						end
					end
				end

				prev_char = null
				continue
			end

			# Replace or skip unknown characters
			if not desc.chars.keys.has(c) then
				var rc = replacement_char
				if rc == null then continue
				c = rc
			end

			var char_info = desc.chars[c]
			var advance = char_info.xadvance
			var kerning = desc.kerning(prev_char, c)

			var x = dx + (char_info.width/2.0  + char_info.xoffset + kerning) * scale
			var y = dy - (char_info.height/2.0 + char_info.yoffset) * scale
			var pos = text_sprites.anchor.offset(x, y, 0.0)
			var s = new Sprite(char_info.subtexture, pos)
			s.scale = scale * char_info.scale
			text_sprites.sprites.add s
			line_sprites.add s
			if in_link then link_sprites.add s

			dx += (advance + kerning) * scale
			prev_char = c

			text_width = text_width.max(dx)

			if not line_height_counted then
				# Increase `height` only once per line iff there's a caracter
				line_height_counted = true
				height += line_height
			end
		end

		justify(line_sprites, text_sprites.align, dx)

		# valign
		if text_sprites.valign != 0.0 then
			var d = (-dy+line_height) * text_sprites.valign
			for s in text_sprites.sprites do s.center.y += d
		end

		text_sprites.width = text_width.max(dx)
		text_sprites.height = height
	end

	redef fun write_into(text_sprites, text)
	do
		# Build new sprites
		var dx = advance/2.0
		var dy = hspace.to_f/2.0
		for c in text do
			if c == '\n' then
				dy -= height.to_f + vspace.to_f
				dx = advance/2.0
				continue
			else if c == pld then
				dy -= (height.to_f + vspace.to_f) * partial_line_mod.to_f
				continue
			else if c == plu then
				dy += (height.to_f + vspace.to_f) * partial_line_mod.to_f
				continue
			else if c.is_whitespace then
				dx += advance
				continue
			end

			var tex = char(c)
			if tex == null then
				# Try to fallback to '?'
				tex = char('?')
				if tex == null then continue
			end

			text_sprites.sprites.add new Sprite(tex, text_sprites.anchor.offset(dx, dy, 0))
			dx += advance
		end
	end