MPclient

local version = 1.4
local filename = "music"
local paste = "CSEcjQ7n"
local curTimer = nil
local playing = false

local function update()
    local url = "http://pastebin.com/raw.php?i="..paste
    local temp = http.get(url)
    local ver = temp.readLine()
    if tonumber(string.sub(ver, 17)) ~= version then
        fs.delete(filename)
        shell.run("pastebin get "..paste.." "..filename)
        shell.run(filename)
        return true
    end
    return false
end

local test = update()
if test == true then
    error()
end
rednet.open("top")
local times = {}
times.blocks = 345
times.far = 174
times.mall = 197
times.strad = 188
times.wait = 238

local songs = {"blocks", "far", "mall", "strad", "wait"}
local CurrentSong = 0

local function clearSong()
    term.setCursorPos(2,5)
    write("                                                ")
end

local function writeSong()
    clearSong()
    term.setCursorPos(17,5)
    write("-"..songs[CurrentSong].."-")
end

local function pasteScreen()
    shell.run("clear")
    print("version: "..version)
    print("+----------~Computercraft Music Player~----------+")
    print("|                                                |")
    print("|       Current Song:                            |")
    print("|                                                |")
    print("|                                                |")
    print("|       <-Previous      >Play       Next->       |")
    print("|                                                |")
    print("+------------------------------------------------+")
end

local function previousSong()
    if CurrentSong == 1 or CurrentSong == 0 then
        CurrentSong = 5
    else
        CurrentSong = CurrentSong - 1
    end
    writeSong()
    rednet.broadcast(songs[CurrentSong])
    curTimer = os.startTimer(times[songs[CurrentSong]])
end

local function nextSong()
    if CurrentSong == 5 or CurrentSong == 0 then
        CurrentSong = 1
    else
        CurrentSong = CurrentSong + 1
    end
    writeSong()
    rednet.broadcast(songs[CurrentSong])
    curTimer = os.startTimer(times[songs[CurrentSong]])
end

local function togglePlay()
    if CurrentSong == 0 then
        CurrentSong = 1
    end
    writeSong()
    rednet.broadcast(songs[CurrentSong])
    curTimer = os.startTimer(times[songs[CurrentSong]])
end

pasteScreen()
while true do
    local e, p1, x, y = os.pullEvent()
    if e == "mouse_click" then
        if y == 7 then
            if x >= 9 and x <= 18 then
                previousSong()
            elseif x >= 25 and x <= 29 then
                togglePlay()
            elseif x >= 37 and x <= 42 then
                nextSong()
            end
        end
    end
    if e == "timer" and p1 == curTimer then
        nextSong()
    end
end