Reactor v2.2.2

reactors = {peripheral.find("BigReactors-Reactor")}
reactor = reactors[1]
reactors = nil
--reactor.setActive(false)
minBuffer = 1000000
--maxBuffer = 9000000
reactorActive = reactor.getActive()
monitor1 = peripheral.wrap("top")
line = 1
w,h = monitor1.getSize()
bufferFullness = 0

numberOfCells = 0
energyCells = {peripheral.find("tile_thermalexpansion_cell_resonant_name")}
for _ in pairs(energyCells) do numberOfCells = numberOfCells + 1 end
maxEnergy = 10000000 + numberOfCells * 80000000 --80m per cell and 10m for the reactor

maxBuffer = maxEnergy - 1000000

--run this each loop before getBackground
function getTotalEnergy()
    local en = 0
    en = en + reactor.getEnergyStored()
    for i = 1, numberOfCells, 1 do
        en = en + energyCells[i].getEnergyStored()
    end
    return en
end

totalEnergy = getTotalEnergy()

--returns background when given x position
function getCharacterBackground(pos)
    if pos > w * totalEnergy / maxEnergy then
        return "4"
    else
        return "5"
    end
end

--calculates the background for word at a specific position, returns a string
function getBackground(first, last)
    local bg = ""
    local i = first
    repeat
        bg = bg .. getCharacterBackground(i)
        i = i + 1
    until i > last
    return bg
end

function fillSpace(first, last)
    local spaces = ""
    local charClr = ""
    local i = first
    repeat
        spaces = spaces .. " "
        charClr = charClr .. "0"
        i = i + 1
    until i > last
    monitor1.blit(spaces, charClr, getBackground(first, last))
end

function finishLine()
    local x,y = monitor1.getCursorPos()
    fillSpace(x, w)
end

function textWithBackground(lnStr)
    local x,y = monitor1.getCursorPos()
    local charClr = ""
    for i = 1, string.len(lnStr), 1 do
        charClr = charClr .. "f"
    end
    bg = getBackground(x, x + string.len(lnStr) - 1)
    monitor1.blit(lnStr, charClr, bg)
end

function fullLine(lnStr)
    textWithBackground(lnStr)
    finishLine()
end

lineStr = ""

print("Starting up...")

while true do
    line = 0
    monitor1.clear()

    totalEnergy = getTotalEnergy()
    print(totalEnergy)

    monitor1.setCursorPos(1, 1 + line)
    monitor1.write("Reactor Status: ")
    if (reactorActive) then
        monitor1.blit("ACTIVE", "dddddd", "ffffff")
    else
        monitor1.blit("INACTIVE", "eeeeeeee", "ffffffff")
    end
    line = line + 1

    monitor1.setCursorPos(1, 1 + line)
    monitor1.write("Energy: " .. totalEnergy .. "/" .. maxEnergy .. " RF")
    line = line + 1

    monitor1.setCursorPos(1, 1 + line)
    textWithBackground("Test!")
    finishLine()
    line = line + 1

    monitor1.setCursorPos(1, 1 + line)
    fullLine("IT IS ALIVE!")


    --monitor1.setCursorPos(1, 1 + line)
    --bufferFullness = 10 * totalEnergy / maxEnergy
    --for i = 1, bufferFullness, 1 do
    --    monitor1.blit(" ","5","5")
    --end
    --for i = 1, 10 - bufferFullness, 1 do
    --    monitor1.blit(" ","4","4")
    --end
    --line = line + 1

    if (reactorActive) then
        if (totalEnergy > maxBuffer) then
            reactor.setActive(false)
            reactorActive = false
            print("Buffer full, shutting down")
            monitor1.setCursorPos(w / 2 - 6, h / 2)
            monitor1.blit("Shutting Down...", "dddddddddddddddd", "0000000000000000")
            os.sleep(10)
        end
    else
        if (totalEnergy < minBuffer) then
            reactor.setActive(true)
            reactorActive = true
            print("Buffer empty, restarting reactor")
            monitor1.setCursorPos(w / 2 - 6, h / 2)
            monitor1.blit("Starting Up...", "dddddddddddddd", "00000000000000")
            os.sleep(10)
        end
    end

    os.sleep(5)
end