endoflame controller.lua

--[[User Config]]
local selfName = "Endoflame Controller" --Name to display at top of runtime
local fuelBurnTime = 360 --How long to close output signal
local fuelDropTime = 6.8 --How long to send output redstone signal
local redstoneCompareSide = "right" --Which side to input redstone override to
local redstoneOutputSide = "back" --Which side to output redstone control to
local masterSwitch = true --True starts the machine in the ON state, false starts in the OFF state
--[[]]

local switch = true --False = currently dropping items, true = not dropping items
local masterDict = {
    [true] = "Controller running.",
    [false] = "Controller paused. Manual control still available."
}
local dict = {
    [true] = "Burning fuel..",
    [false] = "Dropping fuel..",
    ["mana"] = "Mana full. Sleeping..."
}
local manaFull = rs.getInput(redstoneCompareSide)
local burnTimer
local dropTimer

local function checkRedstoneState() --Used to verify redstone signal change
    local newState = rs.getInput(redstoneCompareSide)
    if newState ~= manaFull then --If the state has changed
        manaFull = newState
        return true
    end
end

local function draw(arg) --Handles updating screen during runtime
    if arg ~= nil then arg = switch end
    term.clear()
    term.setCursorPos(1,1)
    write(selfName)
    write("\n\n" .. masterDict[masterSwitch])
    write("\n\n" .. dict[arg])
    write("\n\n\nPress spacebar to drop fuel.\n\nPress T to toggle the controller on or off.")
end

local function dropManual()
    switch = false
    draw()
    rs.setOutput(redstoneOutputSide, false)
end

local function dropOn()
    switch = false
    draw()
    rs.setOutput(redstoneOutputSide, false)
    dropTimer = os.startTimer(fuelDropTime)
end

local function dropOff()
    switch = true
    draw(switch)
    rs.setOutput(redstoneOutputSide, true)
    burnTimer = os.startTimer(fuelBurnTime)
end

local function masterToggle()
    masterSwitch = not masterSwitch
    if masterSwitch and switch then
        dropOn()
    end
end

function Main()
    if burnTimer == nil and dropTimer == nil and masterSwitch then --if we are initializing after first startup, and toggled controller ON
        dropOn()
    end
    local event, param1 = os.pullEvent()
    if event == "redstone" and checkRedstoneState() then --if redstone is updated..
        if not manaFull then --and it's not full, then start dropTimer
            dropOn()
        else
            draw("mana") --otherwise display full message in runtime
        end
    elseif event == "timer" and param1 == burnTimer and masterSwitch then --if burnTimer ends and the controller is running
        dropOn()
    elseif event == "timer" and param1 == dropTimer and masterSwitch then --if dropTimer ends and the controller is running
        dropOff()
    elseif event == "key" and param1 == 57 then --if Spacebar is pressed
        dropManual()
    elseif event == "key" and param1 == 20 then --if T is pressed
        masterToggle()
    end
    Main()
end

Main()