FSControler v0.2

local mon = peripheral.wrap("top")
local selected = 0
local names = {"Anti","Gau","Xun","Ninjuni"}
local cableSide = "back"

local XunSwitchIn = colors.pink
local XunToggleOut = colors.red
local FSMainSwitchOut = colors.black

local FSMainSwitchState = false

function SetColor(row)
    if ( selected == row ) then
        mon.setTextColor(colors.black)
        mon.setBackgroundColor(colors.white)
    else
        mon.setTextColor(colors.white)
        mon.setBackgroundColor(colors.black)
    end
end

function CheckSwitch(color)
    local state = rs.getBundledInput(cableSide)
    return colors.test(state,color)
end

function getSelected()
    if ( FSMainSwitchState == false ) then return 2 end
    if ( CheckSwitch(XunSwitchIn) ) then return 3 end
    return 4
end

function FindSelected()
    selected = getSelected()
end

function DrawScreen()
    if ( selected == 0 ) then FindSelected() end
    mon.clear()
    for row = 1,#names do
        mon.setCursorPos(1,row)
        SetColor(row)
        mon.write(names[row])
    end
    SetColor(-1)
end

function pulse(color)
    local oldColor = rs.getBundledOutput(cableSide)
    local newColor = colors.combine(color,oldColor)
    rs.setBundledOutput(cableSide,newColor)
    os.sleep(0.2)
    rs.setBundledOutput(cableSide,oldColor)

end

function SetTrack(FSnew,XunNew)
    FSMainSwitchState = FSnew

    if ( XunNew ~= CheckSwitch(XunSwitchIn) ) then pulse(XunToggleOut) end

    if ( FSMainSwitchState ) then rs.setBundledOutput(cableSide,FSMainSwitchOut)
    else rs.setBundledOutput(cableSide,0) end

end

function NewTrack(row)
    if ( row > #names ) then return end
    if ( row == selected ) then return end

    if ( row == 1 or row == 4 ) then
        SetTrack(true,false)
    end
    if ( row == 2 ) then
        SetTrack(false,false)
    end
    if ( row == 3 ) then
        SetTrack(true,true)
    end
    selected = row
    DrawScreen()
end


print("Railcontroler. Right click on monitor name to select track")
DrawScreen()
while true do
    event,p1,p2,p3 = os.pullEvent()
    if ( event == "monitor_touch" ) then NewTrack(p3) end
    if ( event == "redstone" ) then
        FindSelected()
        DrawScreen()
    end

end