Add different music for different dimensions

mods/PLAYER/mcl_music/init.lua

@@ -1,7 +1,15 @@
 local modname = minetest.get_current_modname()
 local modpath = minetest.get_modpath(modname)
 
-local pianowtune = "diminixed-pianowtune01"
+local pianowtune  = "diminixed-pianowtune01"
+local end_tune    = "diminixed-ambientwip"
+local nether_tune = "horizonchris96-traitor"
+
+local dimension_to_base_track = {
+	["overworld"] = pianowtune,
+	["nether"]    = nether_tune,
+	["end"]       = end_tune,
+}
 
 local listeners = {}
 
@@ -25,54 +33,68 @@ local function stop()
 end
 
 local function play()
-	local spec = {
-		name  = pianowtune,
-		gain  = 0.3,
-		pitch = 1.0,
-	}
 	local new_weather_state = mcl_weather.get_weather()
 	local was_good_weather = weather_state == "none" or weather_state == "clear"
 	weather_state = new_weather_state
 	local is_good_weather = weather_state == "none" or weather_state == "clear"
 	local is_weather_changed = weather_state ~= new_weather_state
-	if is_weather_changed or not is_good_weather then
-		stop()
-		minetest.after(20, play)
-		return
-	end
 	local time = minetest.get_timeofday()
 	if time < 0.25 or time >= 0.75 then
 		stop()
 		minetest.after(10, play)
 		return
 	end
+	local day_count = minetest.get_day_count()
 	for _, player in pairs(minetest.get_connected_players()) do
 		local player_name = player:get_player_name()
 		local hp          = player:get_hp()
 		local pos         = player:get_pos()
-		local listener    = listeners[player_name]
-		local old_hp      = listener and listener.hp
 		local dimension   = mcl_worlds.pos_to_dimension(pos)
-		local is_hp_changed = old_hp and math.abs(old_hp - hp) > 0.00001
+
+		local listener      = listeners[player_name]
+		local old_hp        = listener and listener.hp
+		local old_dimension = listener and listener.dimension
+
+		local is_dimension_changed = old_dimension and (old_dimension ~= dimension) or false
+		local is_hp_changed = old_hp and (math.abs(old_hp - hp) > 0.00001) or false
 		local handle = listener and listener.handle
-		if is_hp_changed then
+
+		local track = dimension_to_base_track[dimension]
+
+		if is_hp_changed
+			or is_dimension_changed
+			or (dimension == "overworld" and (is_weather_changed or not is_good_weather))
+			or not track
+			or (listener and (listener.day_count == day_count))
+			then
+			minetest.chat_send_all("here! dc = "..tostring(is_dimension_changed))
 			stop_music_for_listener_name(player_name)
+			if not listeners[player_name] then
+				listeners[player_name] = {}
+			end
 			listeners[player_name].hp = hp
-		elseif dimension ~= "overworld" then
-			stop_music_for_listener_name(player_name)
+			listeners[player_name].dimension = dimension
 		elseif not handle then
+			local spec = {
+				name  = track,
+				gain  = 0.3,
+				pitch = 1.0,
+			}
 			local parameters = {
 				to_player = player_name,
 				gain      = 1.0,
 				fade      = 0.0,
 				pitch     = 1.0,
 			}
+
 			handle = minetest.sound_play(spec, parameters, false)
 			listeners[player_name] = {
 				spec       = spec,
 				parameters = parameters,
 				handle     = handle,
 				hp         = hp,
+				dimension  = dimension,
+				day_count  = day_count,
 			}
 		end
 	end