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Cache character textures

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This commit is contained in:
cheapie 2018-11-21 18:49:13 -06:00
parent b057341a07
commit c199a33bb8
1 changed files with 14 additions and 6 deletions
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20
init.lua
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@ -26,6 +26,9 @@ signs_lib.gettext = S
-- text encoding
dofile(signs_lib.path .. "/encoding.lua");
-- Initialize character texture cache
local ctexcache = {}
local wall_dir_change = {
[0] = 4,
@ -362,14 +365,19 @@ end
-- make char texture file name
-- if texture file does not exist use fallback texture instead
local function char_tex(font_name, ch)
local c = ch:byte()
local exists, tex = file_exists(CHAR_PATH:format(font_name, c))
if exists and c ~= 14 then
tex = CHAR_FILE:format(font_name, c)
if ctexcache[font_name..ch] then
return ctexcache[font_name..ch], true
else
tex = CHAR_FILE:format(font_name, 0x0)
local c = ch:byte()
local exists, tex = file_exists(CHAR_PATH:format(font_name, c))
if exists and c ~= 14 then
tex = CHAR_FILE:format(font_name, c)
else
tex = CHAR_FILE:format(font_name, 0x0)
end
ctexcache[font_name..ch] = tex
return tex, exists
end
return tex, exists
end
local function make_line_texture(line, lineno, pos)