mirror of
https://github.com/mt-mods/homedecor_modpack.git
synced 2024-12-22 16:10:18 +01:00
Add proper word-wrapping.
Also cleaned up a bit code.
This commit is contained in:
kaeza
parent
a963352793
commit
119f8fe494
116
signs_lib.lua
116
signs_lib.lua
@ -209,65 +209,80 @@ local fences_with_sign = { }
|
||||
|
||||
-- some local helper functions
|
||||
|
||||
local homedecor_create_lines = function(text)
|
||||
local tab = {}
|
||||
for line in text:gmatch("([^|]+)|?") do
|
||||
line = line:gsub("^%s*(.*)%s*$", "%1") -- Trim whitespace
|
||||
table.insert(tab, line)
|
||||
if #tab >= NUMBER_OF_LINES then break end
|
||||
local function split_lines_and_words(text)
|
||||
local lines = { }
|
||||
local line = { }
|
||||
for word in text:gmatch("%S+") do
|
||||
if word == "|" then
|
||||
table.insert(lines, line)
|
||||
if #lines >= NUMBER_OF_LINES then break end
|
||||
line = { }
|
||||
elseif word == "\\|" then
|
||||
table.insert(line, "|")
|
||||
else
|
||||
table.insert(line, word)
|
||||
end
|
||||
end
|
||||
return tab
|
||||
table.insert(lines, line)
|
||||
return lines
|
||||
end
|
||||
|
||||
local math_max = math.max
|
||||
|
||||
local homedecor_generate_line = function(s, lineno)
|
||||
local function make_line_texture(line, lineno)
|
||||
|
||||
local width = 0
|
||||
local maxw = 0
|
||||
|
||||
local chars = { }
|
||||
local words = { }
|
||||
|
||||
-- We check which chars are available here.
|
||||
for i = 1, #s do
|
||||
local c = s:sub(i, i)
|
||||
local w = charwidth[c]
|
||||
if w then
|
||||
width = width + w + 1
|
||||
if width >= SIGN_WIDTH then
|
||||
width = 0
|
||||
else
|
||||
maxw = math_max(width, maxw)
|
||||
for word_i, word in ipairs(line) do
|
||||
local chars = { }
|
||||
local ch_offs = 0
|
||||
for i = 1, #word do
|
||||
local c = word:sub(i, i)
|
||||
local w = charwidth[c]
|
||||
if w then
|
||||
width = width + w + 1
|
||||
if width >= SIGN_WIDTH then
|
||||
width = 0
|
||||
else
|
||||
maxw = math_max(width, maxw)
|
||||
end
|
||||
table.insert(chars, {
|
||||
off=ch_offs,
|
||||
tex=FONT_FMT_SIMPLE:format(c:byte())
|
||||
})
|
||||
ch_offs = ch_offs + w + 1
|
||||
end
|
||||
table.insert(chars, c)
|
||||
end
|
||||
width = width + charwidth[" "] + 1
|
||||
maxw = math_max(width, maxw)
|
||||
table.insert(words, { chars=chars, w=ch_offs })
|
||||
end
|
||||
|
||||
maxw = maxw - 1
|
||||
|
||||
-- Okay, we actually build the "line texture" here.
|
||||
|
||||
local start_xpos = math.floor((SIGN_WIDTH - maxw) / 2)
|
||||
local xpos = start_xpos
|
||||
local texture = { }
|
||||
local ypos = (LINE_HEIGHT * (lineno --[[+ 1]]))
|
||||
|
||||
width = 0
|
||||
local start_xpos = math.floor((SIGN_WIDTH - maxw) / 2)
|
||||
|
||||
for i = 1, #s do
|
||||
local c = s:sub(i, i)
|
||||
local w = charwidth[c]
|
||||
local tex = FONT_FMT_SIMPLE:format(c:byte())
|
||||
table.insert(texture, (":%d,%d=%s"):format(xpos, ypos, tex))
|
||||
xpos = xpos + w + 1
|
||||
width = width + w + 1
|
||||
if width > maxw then
|
||||
local xpos = start_xpos
|
||||
local ypos = (LINE_HEIGHT * lineno)
|
||||
|
||||
for word_i, word in ipairs(words) do
|
||||
local xoffs = (xpos - start_xpos)
|
||||
if (xoffs > 0) and ((xoffs + word.w) > maxw) then
|
||||
xpos = start_xpos
|
||||
ypos = ypos + (LINE_HEIGHT * LINE_SEP)
|
||||
width = 0
|
||||
lineno = lineno + 1
|
||||
if lineno >= NUMBER_OF_LINES then break end
|
||||
end
|
||||
if lineno >= NUMBER_OF_LINES then break end
|
||||
for ch_i, ch in ipairs(word.chars) do
|
||||
table.insert(texture, (":%d,%d=%s"):format(xpos + ch.off, ypos, ch.tex))
|
||||
end
|
||||
xpos = xpos + word.w + charwidth[" "]
|
||||
end
|
||||
|
||||
return table.concat(texture, ""), lineno
|
||||
@ -285,21 +300,21 @@ local function copy ( t )
|
||||
return nt
|
||||
end
|
||||
|
||||
local homedecor_generate_texture = function(lines)
|
||||
local texture = { ("[combine:%dx%d"):format(SIGN_WIDTH, LINE_HEIGHT * NUMBER_OF_LINES * LINE_SEP) }
|
||||
local lineno = 0
|
||||
for i = 1, #lines do
|
||||
local function make_sign_texture(lines)
|
||||
local texture = { ("[combine:%dx%d"):format(SIGN_WIDTH, LINE_HEIGHT * NUMBER_OF_LINES * LINE_SEP) }
|
||||
local lineno = 0
|
||||
for i = 1, #lines do
|
||||
if lineno >= NUMBER_OF_LINES then break end
|
||||
local linetex, ln = homedecor_generate_line(lines[i], lineno)
|
||||
table.insert(texture, linetex)
|
||||
lineno = ln + 1
|
||||
end
|
||||
return table.concat(texture, "")
|
||||
local linetex, ln = make_line_texture(lines[i], lineno)
|
||||
table.insert(texture, linetex)
|
||||
lineno = ln + 1
|
||||
end
|
||||
return table.concat(texture, "")
|
||||
end
|
||||
|
||||
local function set_obj_text(obj, text)
|
||||
obj:set_properties({
|
||||
textures={homedecor_generate_texture(homedecor_create_lines(text))},
|
||||
textures={make_sign_texture(split_lines_and_words(text))},
|
||||
visual_size = TEXT_SCALE,
|
||||
})
|
||||
end
|
||||
@ -319,10 +334,19 @@ homedecor.destruct_sign = function(pos)
|
||||
end
|
||||
end
|
||||
|
||||
local function make_infotext(text)
|
||||
local lines = split_lines_and_words(text)
|
||||
local lines2 = { }
|
||||
for _, line in ipairs(lines) do
|
||||
table.insert(lines2, table.concat(line, " "))
|
||||
end
|
||||
return table.concat(lines2, "\n")
|
||||
end
|
||||
|
||||
homedecor.update_sign = function(pos, fields)
|
||||
local meta = minetest.get_meta(pos)
|
||||
if fields then
|
||||
meta:set_string("infotext", table.concat(homedecor_create_lines(fields.text), "\n"))
|
||||
meta:set_string("infotext", make_infotext(fields.text))
|
||||
meta:set_string("text", fields.text)
|
||||
end
|
||||
local text = meta:get_string("text")
|
||||
|
||||
Loading…
Reference in New Issue
Block a user