music player power usage fix

diff --git a/music_player.lua b/music_player.lua
index 72adee145ca9e01b93bd5d843bdabe53984be8dd..5b5c65005a7d27868ee6e16d8cdc79b17b4ff675 100644 (file)
--- a/music_player.lua
+++ b/music_player.lua
@@ -1,4 +1,3 @@
-
 minetest.register_alias("music_player", "technic:music_player")
 minetest.register_craft({
        output = 'technic:music_player',
@@ -33,6 +32,7 @@ minetest.register_node("technic:music_player", {
        internal_EU_buffer=0,
        internal_EU_buffer_size=5000,
        music_player_on=0,
+       music_playing =0,
        music_handle = 0,
        music_player_current_track =1,
        on_construct = function(pos)
@@ -63,11 +63,13 @@ minetest.register_node("technic:music_player", {
        if fields.track9 then music_player_current_track=9 end
        meta:set_float("music_player_current_track",music_player_current_track)
        if fields.play and player_on==1 then  
-       minetest.sound_stop(music_handle)
+       if music_handle then minetest.sound_stop(music_handle) end
        music_handle=minetest.sound_play("technic_track"..music_player_current_track, {pos = pos, gain = 1.0,loop = true, max_hear_distance = 72,})     
+       meta:set_float("music_playing",1)
        end
        if fields.stop then  
-       minetest.sound_stop(music_handle)
+       meta:set_float("music_playing",0)
+       if music_handle then minetest.sound_stop(music_handle) end
        end
        meta:set_float("music_handle",music_handle)
        end,
@@ -86,13 +88,13 @@ minetest.register_abm({
        local play_cost=80
        
        if charge>play_cost then 
-               charge=charge-play_cost;
+               if meta:get_float("music_playing")==1 then charge=charge-play_cost end
                meta:set_float("internal_EU_buffer",charge)
                meta:set_float("music_player_on",1)
        else 
-               player_on=0
+               meta:set_float("music_playing",0)
                meta:set_float("music_player_on",0)
-               minetest.sound_stop(music_handle)
+               if music_handle then minetest.sound_stop(music_handle) end
        end
        local load = math.floor((charge/max_charge)*100)
        meta:set_string("formspec",