Minetest/VoxeLibre
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Insert WRAP_CODEPOINT as 16th character on word_wrap

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This commit is contained in:
Mikita Wiśniewski 2025-02-03 16:33:04 +07:00
parent f568996169
commit d532f83806
2 changed files with 10 additions and 7 deletions
mods/ITEMS/mcl_signs
README.mdapi.lua

1
mods/ITEMS/mcl_signs/README.md
View file

@ -5,6 +5,7 @@
* Later massively extended by Michieal
* Mostly rewritten for Mineclonia and simplified by cora
* Reworked for VoxeLibre with UTF-8 support by rudzik8
* Word wrap algorithm improved by kno10
## Characters

16
mods/ITEMS/mcl_signs/api.lua
View file

@ -15,11 +15,11 @@ local CHAR_WIDTH = 5
local SIGN_GLOW_INTENSITY = 14
local LINE_BREAK = {
local NEWLINE = {
[0x000A] = true,
[0x000B] = true,
[0x000C] = true,
-- [0x000D] = true,
-- U+000D (CR) is dropped on U-string conversion
[0x0085] = true,
[0x2028] = true,
[0x2029] = true,
@ -211,7 +211,7 @@ if wrap_mode == "word_break" then
for _, code in ipairs(ustr) do
if #lines >= NUMBER_OF_LINES then break end
if LINE_BREAK[code]
if NEWLINE[code]
or WHITESPACE[code] and #line >= (LINE_LENGTH - 1) then
table.insert(lines, line)
line = {}
@ -237,12 +237,14 @@ elseif wrap_mode == "word_wrap" then
if WHITESPACE[code] or HYPHEN[code] then
stop = cursor
elseif LINE_BREAK[code] then
elseif NEWLINE[code] then
table.insert(lines, subseq(ustr, start, cursor - 1))
start, stop = cursor + 1, cursor + 1
elseif cursor - start + 1 > LINE_LENGTH then
elseif cursor - start + 1 >= LINE_LENGTH then
if stop <= start then -- forced break, no space in word
table.insert(lines, subseq(ustr, start, cursor))
local line = subseq(ustr, start, cursor)
table.insert(line, WRAP_CODEPOINT)
table.insert(lines, line)
start, stop = cursor + 1, cursor + 1
else
table.insert(lines, subseq(ustr, start, stop + (HYPHEN[ustr[stop]] and 0 or -1)))
@ -265,7 +267,7 @@ elseif wrap_mode == "truncate" then
for _, code in ipairs(ustr) do
if #lines >= NUMBER_OF_LINES then break end
if LINE_BREAK[code] then
if NEWLINE[code] then
table.insert(lines, line)
line = {}
elseif #line == LINE_LENGTH then