MC - CC eva

s = shell
t = term
c = colors
m = math

local function mittig(vtext, y)
    w, h = t.getSize()
    mitte = m.floor((w/2) - (string.len(vtext)/2))
    t.setCursorPos(mitte, y)
    t.write(vtext)
end

local function pruefeXY( x, y )
    if x < 0 then x = 0 end
    if x > 2 then x = 2 end
    if y < 0 then y = 0 end
    if y > 2 then y = 2 end
    return x, y
end

local function zeigeCode( vcode )
    mittig("| [ ] [ ] [ ] [ ] |", 9)
    for codeLaenge = 1, string.len(vcode), 1 do
        t.setTextColor(c.lightBlue)
        t.setCursorPos((w/2)-(13/2)+((codeLaenge-1)*4), 9)
        t.write(string.sub(vcode, codeLaenge, codeLaenge))
    end
    t.setTextColor(c.lightGray)
end

local function pinPad()
    x = 0
    y = 0
    w, h = t.getSize()
    code = ""

    t.setTextColor(c.lightGray)
    mittig("[    PASSWORT!    ]", 3)
    mittig("| --------------- |", 4)
    mittig("| [1]   [2]   [3] |", 5)
    mittig("| [4]   [5]   [6] |", 6)
    mittig("| [7]   [8]   [9] |", 7)
    mittig("| --------------- |", 8)
    mittig("| [ ] [ ] [ ] [ ] |", 9)
    mittig("| --------------- |", 10)
    mittig("| [    ENTER    ] |", 11)
    while true do
        ereignis, parameter = os.pullEvent("key")
        if ereignis == "key" then
            t.setCursorPos((w/2)-(15/2)+(x*6), 5 + y)
            t.write("[" .. math.floor((y*3) + (x+1)) .. "]")
            if parameter == 200 then -- Hoch
                y = y - 1
            end
            if parameter == 208 then -- Runter
                y = y + 1
            end
            if parameter == 203 then -- Links
                x = x - 1
            end
            if parameter == 205 then -- Rechts
                x = x + 1
            end
            x, y = pruefeXY(x,y) -- Rechnung für Zahl = (y*3) + (x+1)
            t.setCursorPos((w/2)-(15/2)+(x*6), 5 + y)
            t.setTextColor(c.magenta)
            t.write("[" .. math.floor((y*3) + (x+1)) .. "]")
            t.setTextColor(c.lightGray)
            if parameter == 57 then
                if string.len(code) < 4 then
                    code = code .. (y*3) + (x+1)
                    zeigeCode(code)
                end
            end
            if parameter == 14 then
                if string.len(code) >= 1 then
                    code = string.sub(code, 1, string.len(code) - 1)
                    zeigeCode(code)
                end
            end
            if parameter == 28 then
                if code == "4253" then
                    t.clear()
                    t.setTextColor(c.lime)
                    mittig("ACCESS GRANTED", 3)
                    t.setCursorPos(1, 5)
                    break
                end
            end
        end
    end
end

local function ladeBalken(w)
    balkenFarbe = {16384,2,16,32,32}
    for prozent = 0, 100, 1 do
        t.setTextColor(m.floor(balkenFarbe[m.floor(prozent/25)+1]))
        t.setCursorPos((w/2)-12, 8)
        lbalken = "["
        for gleichzeichen = 0, prozent/5, 1 do
            lbalken = lbalken .. "="
        end
        lbalken = lbalken .. ">"
        for leerzeichen = 0, 22-string.len(lbalken), 1 do
            lbalken = lbalken .. " "
        end
        lbalken = lbalken .. "]"
        t.write(lbalken)
        t.setCursorPos((w/2)-2, 9)
        t.write(prozent.." %")
        sleep(0.02)
    end
    t.setTextColor(c.white)
    t.setCursorPos(1, 9)
    t.clearLine()
    t.setCursorPos(1, 8)
    t.clearLine()
    t.setCursorPos((w/2)-6, 8)
    t.write("WILLKOMMEN!")
    sleep(1.5)
end

local function startBildschirm()
    t.clear()
    w, h = t.getSize()
    t.setCursorPos((w/2)-8, 5)
    t.setTextColor(c.green)
    t.write("Starte EVA v0.7a")
    ladeBalken(w)
end

startBildschirm()
pinPad()