Hack - Main

-- Hack OS - v0.19
-- By FoxWorn3365

maxw, maxh = term.getSize()
local function drawPixelInternal(xPos, yPos)
    term.setCursorPos(xPos, yPos)
    term.write(" ")
end

local tColourLookup = {}
for n = 1, 16 do
    tColourLookup[string.byte("0123456789abcdef", n, n)] = 2 ^ (n - 1)
end

function drawFilledBox(startX, startY, endX, endY, nColour)
    if type(startX) ~= "number" or type(startX) ~= "number" or type(endX) ~=
        "number" or type(endY) ~= "number" or
        (nColour ~= nil and type(nColour) ~= "number") then
        error("Expected startX, startY, endX, endY, colour", 2)
    end

    startX = math.floor(startX)
    startY = math.floor(startY)
    endX = math.floor(endX)
    endY = math.floor(endY)

    if nColour then term.setBackgroundColor(nColour) end
    if startX == endX and startY == endY then
        drawPixelInternal(startX, startY)
        return
    end

    local minX = math.min(startX, endX)
    if minX == startX then
        minY = startY
        maxX = endX
        maxY = endY
    else
        minY = endY
        maxX = startX
        maxY = startY
    end

    for x = minX, maxX do for y = minY, maxY do drawPixelInternal(x, y) end end
end

function clear()
    sfondo(colors.black)
    term.clear()
    term.setCursorPos(1, 1)
end

function clearRed()
    sfondo(colors.red)
    term.clear()
    term.setCursorPos(1, 1)
end

function titolo(testo)
    drawFilledBox(1, 1, maxw, 1, colors.blue)
    term.setCursorPos((maxw - #testo) / 2, 1)
    term.setTextColor(colors.white)
    term.write(testo)
end

function alarm(testo, colore, y)
    drawFilledBox(1, y, maxw, y, colors[colore])
    term.setCursorPos((maxw - #testo) / 2, y)
    term.setTextColor(colors.white)
    term.write(testo)
    no()
end


function bottone(color, text, x, y)
   term.setBackgroundColor(colors[color])
   term.setTextColor(colors.white)
   term.setCursorPos(x, y)
   print(text)
end

function no()
   term.setBackgroundColor(colors.white)
   term.setTextColor(colors.black)
end