load

local file = "abc.nft"




local frames = {}
local function getColourOf(hex)
  local value = tonumber(hex, 16)
  if not value then return nil end
  value = math.pow(2, value)
  return value
end

local function loadNFT(path)
        sFrame = 1
        frames[sFrame] = { }
        frames[sFrame].text = { }
        frames[sFrame].textcol = { }

        if fs.exists(path) then
                local file = io.open(path, "r")
                local sLine = file:read()
                local num = 1
                while sLine do
                        table.insert(frames[sFrame], num, {})
                        table.insert(frames[sFrame].text, num, {})
                        table.insert(frames[sFrame].textcol, num, {})

                        --As we're no longer 1-1, we keep track of what index to write to
                        local writeIndex = 1
                        --Tells us if we've hit a 30 or 31 (BG and FG respectively)- next char specifies the curr colour
                        local bgNext, fgNext = false, false
                        --The current background and foreground colours
                        local currBG, currFG = nil,nil
                        term.setCursorPos(1,1)
                        for i=1,#sLine do
                                local nextChar = string.sub(sLine, i, i)
                                if nextChar:byte() == 30 then
                                        bgNext = true
                                elseif nextChar:byte() == 31 then
                                        fgNext = true
                                elseif bgNext then
                                        currBG = getColourOf(nextChar)
                                        bgNext = false
                                elseif fgNext then
                                        currFG = getColourOf(nextChar)
                                        fgNext = false
                                else
                                        if nextChar ~= " " and currFG == nil then
                                                currFG = colours.white
                                        end
                                        frames[sFrame][num][writeIndex] = currBG
                                        frames[sFrame].textcol[num][writeIndex] = currFG
                                        frames[sFrame].text[num][writeIndex] = nextChar
                                        writeIndex = writeIndex + 1
                                end
                        end
                        num = num+1
                        sLine = file:read()
                end
                file:close()
        end
end

loadNFT(file)
term.clear()
term.setCursorPos(1,1)
for k, v in pairs(frames[1]) do
    if tonumber(k) then
        local n = 1
        repeat
            term.setBackgroundColor(frames[1][k][n])
            term.setTextColor(frames[1]["textcol"][k][n])
            write(frames[1]["text"][k][n])
            n = n+1
        until not frames[1][k][n+1]
    end
    write("\n")
end