214 lines
6 KiB
Lua
214 lines
6 KiB
Lua
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mpd={}
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mpd.pause_between_songs=minetest.settings:get("mpd.pause_between_songs") or 30
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--end config
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mpd.modpath=minetest.get_modpath("mpd")
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if not mpd.modpath then
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error("mpd mod folder has to be named 'mpd'!")
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end
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--{name, length, gain~1}
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mpd.songs = {}
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local sfile, sfileerr=io.open(mpd.modpath..DIR_DELIM.."songs.txt")
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if not sfile then error("Error opening songs.txt: "..sfileerr) end
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for linent in sfile:lines() do
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-- trim leading and trailing spaces away
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local line = string.match(linent, "^%s*(.-)%s*$")
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if line~="" and string.sub(line,1,1)~="#" then
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local name, timeMinsStr, timeSecsStr, gainStr, title = string.match(line, "^(%S+)%s+(%d+):([%d%.]+)%s+([%d%.]+)%s*(.*)$")
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local timeMins, timeSecs, gain = tonumber(timeMinsStr), tonumber(timeSecsStr), tonumber(gainStr)
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if title=="" then title = name end
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if name and timeMins and timeSecs and gain then
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mpd.songs[#mpd.songs+1]={name=name, length=timeMins*60+timeSecs, lengthhr=timeMinsStr..":"..timeSecsStr, gain=gain, title=title}
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else
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minetest.log("warning", "[mpd] Misformatted song entry in songs.txt: "..line)
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end
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end
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end
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sfile:close()
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if #mpd.songs==0 then
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print("[mpd]no songs registered, not doing anything")
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return
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end
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mpd.storage = minetest.get_mod_storage()
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mpd.handles={}
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mpd.playing=false
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mpd.id_playing=nil
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mpd.song_time_left=nil
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mpd.time_next=10 --sekunden
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mpd.id_last_played=nil
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minetest.register_globalstep(function(dtime)
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if mpd.playing then
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if mpd.song_time_left<=0 then
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mpd.stop_song()
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mpd.time_next=mpd.pause_between_songs
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else
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mpd.song_time_left=mpd.song_time_left-dtime
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end
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elseif mpd.time_next then
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if mpd.time_next<=0 then
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mpd.next_song()
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else
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mpd.time_next=mpd.time_next-dtime
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end
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end
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end)
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mpd.play_song=function(id)
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if mpd.playing then
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mpd.stop_song()
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end
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local song=mpd.songs[id]
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if not song then return end
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for _,player in ipairs(minetest.get_connected_players()) do
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local pname=player:get_player_name()
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local pvolume=tonumber(mpd.storage:get_string("vol_"..pname))
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if not pvolume then pvolume=1 end
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if pvolume>0 then
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local handle = minetest.sound_play(song.name, {to_player=pname, gain=song.gain*pvolume})
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if handle then
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mpd.handles[pname]=handle
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end
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end
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end
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mpd.playing=id
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--adding 2 seconds as security
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mpd.song_time_left = song.length + 2
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end
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mpd.stop_song=function()
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for pname, handle in pairs(mpd.handles) do
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minetest.sound_stop(handle)
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end
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mpd.id_last_played=mpd.playing
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mpd.playing=nil
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mpd.handles={}
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mpd.time_next=nil
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end
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mpd.next_song=function()
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local next
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repeat
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next=math.random(1,#mpd.songs)
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until #mpd.songs==1 or next~=mpd.id_last_played
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mpd.play_song(next)
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end
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mpd.song_human_readable=function(id)
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if not tonumber(id) then return "<error>" end
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local song=mpd.songs[id]
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if not song then return "<error>" end
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return id..": "..song.title.." ["..song.lengthhr.."]"
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end
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minetest.register_privilege("mpd", "may control the music player daemon (mpd) mod")
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minetest.register_chatcommand("mpd_stop", {
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params = "",
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description = "Stop the song currently playing",
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privs = {mpd=true},
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func = function(name, param)
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mpd.stop_song()
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end,
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})
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minetest.register_chatcommand("mpd_list", {
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params = "",
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description = "List all available songs and their IDs",
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privs = {mpd=true},
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func = function(name, param)
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for k,v in ipairs(mpd.songs) do
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minetest.chat_send_player(name, mpd.song_human_readable(k))
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end
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end,
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})
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minetest.register_chatcommand("mpd_play", {
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params = "<id>",
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description = "Play the songs with the given ID (see ids with /mpd_list)",
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privs = {mpd=true},
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func = function(name, param)
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if param=="" then
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mpd.next_song()
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return true,"Playing: "..mpd.song_human_readable(mpd.playing)
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end
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id=tonumber(param)
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if id and id>0 and id<=#mpd.songs then
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mpd.play_song(id)
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return true,"Playing: "..mpd.song_human_readable(id)
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end
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return false, "Invalid song ID!"
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end,
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})
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minetest.register_chatcommand("mpd_what", {
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params = "",
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description = "Display the currently played song.",
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privs = {mpd=true},
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func = function(name, param)
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if not mpd.playing then
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if mpd.time_next and mpd.time_next~=0 then
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return true,"Nothing playing, "..math.floor(mpd.time_next or 0).." sec. left until next song."
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else
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return true,"Nothing playing."
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end
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end
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return true,"Playing: "..mpd.song_human_readable(mpd.playing).."\nTime Left: "..math.floor(mpd.song_time_left or 0).." sec."
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end,
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})
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minetest.register_chatcommand("mpd_next", {
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params = "[seconds]",
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description = "Start the next song, either immediately (no parameters) or after n seconds.",
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privs = {mpd=true},
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func = function(name, param)
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mpd.stop_song()
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if param and tonumber(param) then
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mpd.time_next=tonumber(param)
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return true,"Next song in "..param.." seconds!"
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else
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mpd.next_song()
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return true,"Next song started!"
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end
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end,
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})
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minetest.register_chatcommand("mvolume", {
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params = "[volume level (0-1)]",
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description = "Set your background music volume. Use /mvolume 0 to turn off background music for you. Without parameters, show your current setting.",
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privs = {},
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func = function(pname, param)
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if not param or param=="" then
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local pvolume=tonumber(mpd.storage:get_string("vol_"..pname))
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if not pvolume then pvolume=0.5 end
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if pvolume>0 then
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return true, "Your music volume is set to "..pvolume.."."
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else
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if mpd.handles[pname] then
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minetest.sound_stop(mpd.handles[pname])
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end
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return true, "Background music is disabled for you. Use '/mvolume 1' to enable it again."
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end
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end
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local pvolume=tonumber(param)
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if not pvolume then
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return false, "Invalid usage: /mvolume [volume level (0-1)]"
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end
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pvolume = math.min(pvolume, 1)
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pvolume = math.max(pvolume, 0)
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mpd.storage:set_string("vol_"..pname, pvolume)
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if pvolume>0 then
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return true, "Music volume set to "..pvolume..". Change will take effect when the next song starts."
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else
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if mpd.handles[pname] then
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minetest.sound_stop(mpd.handles[pname])
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end
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return true, "Disabled background music for you. Use /mvolume to enable it again."
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end
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end,
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})
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if vote then
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dofile(mpd.modpath..DIR_DELIM.."vote.lua")
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end
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