several minor changes, flowing water now makes noise

minetest.conf

@@ -50,6 +50,9 @@ testing_enable = false
 hunger_enable = true
 hunger_step = 2
 
+# ambience noises
+flowing_water_sounds = true
+
 # server(user stuff)
 max_users = 16
 # player_transfer_distance = 1 DOES ANYBODY HAVE ANY IDEA WHAT THIS DOES

mods/default/functions.lua

@@ -301,4 +301,21 @@ minetest.register_abm( -- weak torchs burn out and die after ~3 minutes
 	       end
    })
 
+if minetest.setting_getbool("flowing_water_sounds") then
+   minetest.register_abm( -- river water makes gurgling noises
+      {
+	 nodenames = {"group:flowing_water"},
+	 interval = 1,
+	 chance = 12,
+	 action = function(pos, node)
+		     minetest.sound_play(
+			"default_water",
+			{
+			   pos = pos,
+			   gain = 0.2,
+			})
+		  end
+      })
+end
+
 default.log("functions", "loaded")

mods/default/nodes.lua

@@ -671,7 +671,7 @@ minetest.register_node(
       liquid_alternative_source = "default:water_source",
       liquid_viscosity = default.WATER_VISC,
       post_effect_color = {a=90, r=40, g=40, b=100},
-      groups = {water=1, liquid=1},
+      groups = {water=1, flowing_water = 1, liquid=1},
    })
 
 minetest.register_node(
@@ -735,7 +735,7 @@ minetest.register_node(
       liquid_renewable = false,
       liquid_range = 2,
       post_effect_color = {a=40, r=40, g=70, b=100},
-      groups = {water=1, liquid=1},
+      groups = {water=1, flowing_water = 1, river_water = 1, liquid=1},
    })
 
 minetest.register_node(
@@ -765,7 +765,7 @@ minetest.register_node(
       liquid_renewable = false,
       liquid_range = 2,
       post_effect_color = {a=40, r=40, g=70, b=100},
-      groups = {water=1, liquid=1},
+      groups = {water = 1, river_water = 1, liquid = 1},
    })
 
 minetest.register_node(

mods/music/init.lua

@@ -36,7 +36,7 @@ if minetest.setting_getbool("music_enable") then
 	       music.default_track,
 	       {
 		  pos = pos,
-		  gain = 0.3,
+		  gain = 0.8,
 	       }),
 	    ["timer"] = 0,
 	    ["pos"] = pos,
@@ -48,7 +48,7 @@ if minetest.setting_getbool("music_enable") then
 	    music.default_track,
 	    {
 	       pos = pos,
-	       gain = 0.3,
+	       gain = 0.8,
 	    })
       end
    end