CC_DraconicStorage

local screen = peripheral.wrap('monitor_7')
local storage = peripheral.wrap('top')
local maxStore = storage.getMaxEnergyStored()
local storeOld = 0

local paints = { title = colors.orange,
                 percent = colors.yellow,
                 background = colors.cyan,
                 rft = colors.yellow }

function setText(txt,x,y,color)
    screen.setCursorPos(x,y)
    screen.clearLine()
    screen.setTextColor(color)
    screen.write(txt)
end

function check()
    local store = storage.getEnergyStored()
    local percent = math.floor((store*100)/maxStore)
    local effective = math.floor((store - storeOld)/20)
    storeOld = store
    if effective > 0 then
        effColor, effEquals = colors.lime, '+'
    else
        effColor, effEquals = colors.red, ''
    end
    setText('--'..tostring(percent)..'%--',3,3,paints.percent)
    setText(effEquals..tostring(effective),1,5,effColor)
    screen.setTextColor(paints.rft)
    screen.write('Rf/t')
end

screen.setBackgroundColor(paints.background)
screen.setTextScale(2.5)
screen.clear()
setText('DracStore',2,1,paints.title)

while true do
    pcall(check)
    os.sleep(1)
end