Mirrorlandia_minetest/digiscreen
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Performance improvements

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This commit is contained in:
cheapie 2024-08-23 12:25:24 -05:00
parent 7570b4f5a5
commit 18b293cec8
1 changed files with 5 additions and 22 deletions
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27
init.lua
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@ -18,32 +18,15 @@ local function generateTexture(pos,serdata)
minetest.log("error","[digiscreen] Failed to deserialize display data at "..minetest.pos_to_string(pos,0))
return
end
local bincolors = ""
for y=1,16,1 do
if type(data[y]) ~= "table" then
minetest.log("error","[digiscreen] Invalid row "..y.." at "..minetest.pos_to_string(pos,0))
return
end
if type(data[y]) ~= "table" then data[y] = {} end
for x=1,16,1 do
if type(data[y][x]) ~= "string" or string.len(data[y][x]) ~= 6 then
minetest.log("error","[digiscreen] Missing/wrong length display data for X="..x.." Y="..y.." at "..minetest.pos_to_string(pos,0))
return
end
for i=1,6,1 do
if not tonumber(string.sub(data[y][x],i,i),16) then
minetest.log("error","[digiscreen] Invalid digit in display data for X="..x.." Y="..y.." at "..minetest.pos_to_string(pos,0))
return
end
end
bincolors = bincolors..minetest.colorspec_to_bytes(data[y][x] or "000000")
end
end
local ret = "[combine:16x16"
for y=1,16,1 do
for x=1,16,1 do
ret = ret..string.format(":%d,%d=(digiscreen_pixel.png\\^[colorize\\:#%s\\:255)",x-1,y-1,data[y][x])
end
end
return ret
local img = minetest.encode_png(16,16,bincolors,0)
return "[png:"..minetest.encode_base64(img)
end
local function updateDisplay(pos)