Initial commit

depends.txt

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+ 

init.lua

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

readme.txt

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+ 
+### mpd Mod for Minetest
+(c) 2017 orwell96
+This mod is licensed under the WTFPL.
+
+Adds an easy but powerful background music backend.
+
+Music credits:
+
+StrangelyBeautifulShort	3:01	0.7
+AvalonShort		2:58	1.4
+eastern_feeling		3:51	1.0
+EtherealShort		3:04	0.7
+FarawayShort		3:05	0.7
+dark_ambiance		0:44	1.0
+-> see the [ambience] mod for copyright info, I couldn't find any.
+
+bensound_deepblue	4:48	1.0
+bensound_ofeliasdream	4:59	1.0
+-> (c) bensound (AFAIK public domain)
+
+rainymemory		2:10	1.0
+anonnp4014		2:30	1.6
+-> (c) Deemo collection (game music collection)

songs.txt

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+#Name			Time	Gain
+StrangelyBeautifulShort	3:01	0.7
+AvalonShort		2:58	1.4
+eastern_feeling		3:51	1.0
+EtherealShort		3:04	0.7
+FarawayShort		3:05	0.7
+bensound_deepblue	4:48	1.0
+bensound_ofeliasdream	4:59	1.0
+bensound_slowmotion	3:26	1.0
+rainymemory		2:10	1.0
+anonnp4014		2:30	1.6