REDSToneKeyReceive

-- Basic RSRPrint - by Mikk809h
-- Redstone Signal Receive Print --
-- mode
local mode = 1
-- 1 = redstone signal. 2 = rednet signal. 3 = key signal.

-- Variables --
local AcceptMsg = false
local AcceptkeyMsg = false


    -- if mode is 1 then only edit this.
local moreSides = {"top", "bottom", "right", "left", "front", "back"};
    -- input side. delete the sides that you dont want to use.
local message = "No signal"; -- if no signal received.
local message2 = "Signal Received"; -- if signal received.


    -- if mode is 2 then only edit this.
local modemSide = {"top"};
    -- leave, if all sides has a modem. (xD)
    -- Turn Signal On When Message Is Received
local messageToReceive = "Hello";
    -- edit the "" to the message you want. like:
    -- if you want it to turn the signal to true, when receiving the message "Hello" then
    -- change(messageToReceive) = "Hello"
local message3 = "No signal received";
local message4 = "Signal received";


    -- if mode is 3 then only edit this.
local chars = {keys.enter, keys.tab, keys.space, keys.backspace}    -- add keys.key (key is the name of the letter/key.)
-- Signal is received when one of thoose chars is pressed/used.
local message5 = "No signal received";
local message6 = "Signal received";
local messageRec = "Key: " -- a little hotbar at bottom of screen which shows which key is pressed.



--
-- Main
--

    -- If you want to return back to shell when done edit this to true.
local stopWhenReceivingSignal = true

-- clear screen
term.clear();
term.setCursorPos(1,1) ;

-- loop/main
while true do -- loops the checker + the printed text.
    if mode == 1 then
        for k,v in pairs(moreSides) do -- checks all sides in the "moreSides" table.
            if rs.getInput(v) ~= true then -- if the side does not equals to true, then ...
                term.setCursorPos(1,1) ;
                term.clearLine() ;
                term.write(message) ; -- prints the message you want, when it does NOT receive a signal.
            else
                term.setCursorPos(1,1) ;
                term.clearLine() ;
                term.write(message2) ; -- prints the message you want, when it receives a signal.
                AcceptMsg = true
                if stopWhenReceivingSignal then -- if you want it to return back to shell after it receives a signal.
                    return false -- breaks the loop and returns to shell.
                end
            end
        end
    elseif mode == 2 then -- if the mods is for rednet then...
        for k,v in pairs(modemSide) do -- checks all sides in the "modemSide" table.
            if v then
                rednet.open(v) ; -- opens the sides you have declaired in the modemSide table.
            end
        end
        if AcceptMsg == false then
            term.setCursorPos(1,1) ;
            term.clearLine() ;
            term.write(message3) ;
        end
        local event, id, msg = os.pullEvent("rednet_message") -- make a pull event.

        if event == "rednet_message" then
            if msg == messageToReceive then -- if it receives the message.
                term.setCursorPos(1,1) ;
                term.clearLine() ;
                term.write(message4) ; -- prints the message you want, when it does receive a signal.
                sleep(4)
                AcceptMsg = true
                if stopWhenReceivingSignal then -- if you want it to return back to shell after it receives a signal.
                    return false -- breaks the loop and returns to shell.
                end
            else
                term.setCursorPos(1,1) ;
                term.clearLine() ;
                term.write(message3) ; -- prints the message you want, when it does not receive a signal.
            end
        else
            term.setCursorPos(1,1) ;
            term.write(message3) ;
        end
    elseif mode == 3 then -- if mode is the key event.
        if AcceptkeyMsg == false then
            term.setCursorPos(1,1) ;
            term.clearLine() ;
            term.write(message5) ;
        end
        local event, key = os.pullEvent("key")
        term.setCursorPos(1,19)
        term.clearLine()
        term.write(messageRec)
        term.write(key)
        if event == "key" then
            for k,v in pairs(chars) do
                if key == chars[k] then
                    term.setCursorPos(1,1) ;
                    term.clearLine() ;
                    term.write(message6) ; -- prints the message you want, when it does receive a signal.
                    AcceptkeyMsg = true
                    if stopWhenReceivingSignal then -- if you want it to return back to shell after it receives a signal.
                        return false -- breaks the loop and returns to shell.
                    else
                        sleep(1)
                        AcceptkeyMsg = false
                    end
                else
                    term.setCursorPos(1,1) ;
                    term.clearLine() ;
                    term.write(message5) ; -- prints the message you want, when it does not receive a signal.
                end
            end
        else
            term.setCursorPos(1,1) ;
            term.clearLine() ;
            term.write(message5) ; -- prints the message you want, when it does not receive a signal.
        end
    else
        return false
    end
    sleep(0) ;  -- sleeps 0 seconds so it wouldnt return "too long without yielding..."
end
term.clear()
term.setCursorPos(1,1)
print("Thanks for using RedStoneKey Receive-Print!\n\n")