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Optimize create_lines() by using patterns, and prevent truncation of infotext.

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kaeza 2013-10-16 14:47:16 -02:00
parent 7219f6cd49
commit 6b09ea3a6f
1 changed files with 4 additions and 45 deletions
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47
signs_lib.lua
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@ -317,54 +317,13 @@ local NUMBER_OF_LINES = 4
local LINE_HEIGHT = 14
local CHAR_WIDTH = 5
homedecor.string_to_array = function(str)
local tab = {}
for i=1,string.len(str) do
table.insert(tab, string.sub(str, i,i))
end
return tab
end
homedecor.string_to_word_array = function(str)
local tab = {}
local current = 1
tab[1] = ""
for _,char in ipairs(homedecor.string_to_array(str)) do
if char ~= " " then
tab[current] = tab[current]..char
else
current = current+1
tab[current] = ""
end
end
return tab
end
homedecor.create_lines = function(text)
local line = ""
local line_num = 1
local tab = {}
for _,word in ipairs(homedecor.string_to_word_array(text)) do
if string.len(line)+string.len(word) < LINE_LENGTH and word ~= "|" then
if line ~= "" then
line = line.." "..word
else
line = word
end
else
for line in text:gmatch("([^|]+)|?") do
line = line:gsub("^%s*(.*)%s*$", "%1") -- Trim whitespace
table.insert(tab, line)
if word ~= "|" then
line = word
else
line = ""
if #tab >= NUMBER_OF_LINES then break end
end
line_num = line_num+1
if line_num > NUMBER_OF_LINES then
return tab
end
end
end
table.insert(tab, line)
return tab
end