Add water node sounds

CREDITS.md

@@ -122,7 +122,7 @@ All levels by Wuzzy.
 - `lzr_laser_barricade_break.ogg`:
 	- By kevinkace <https://freesound.org/people/kevinkace/sounds/66780/>
 	- License: CC0
-- `lzr_sounds_footstep_stone.*.ogg`, `default_dirt_footstep.*.ogg`, `lzr_sounds_footstep_leaves.*.ogg`, `lzr_sounds_dug_grass.*.ogg`:
+- `lzr_sounds_footstep_stone.*.ogg`, `default_dirt_footstep.*.ogg`, `lzr_sounds_footstep_leaves.*.ogg`, `lzr_sounds_dug_grass.*.ogg`, `lzr_sounds_dug_water.*.ogg`, `lzr_sounds_footstep_water.*.ogg`, `lzr_sounds_place_water.*.ogg`:
 	- by Wuzzy
 	- License: MIT
 - `lzr_protection_inventory_full.ogg`:

mods/lzr_core/nodes.lua

@@ -225,6 +225,7 @@ minetest.register_node("lzr_core:water_source", {
 	liquids_pointable = true,
 	post_effect_color = {a = 128, r = 17, g = 69, b = 135},
 	groups = {water = 3, liquid = 3},
+	sounds = lzr_sounds.node_sound_water_defaults(),
 })
 
 -- Mostly the same as lzr_core:water_source except it waves.
@@ -271,6 +272,7 @@ minetest.register_node("lzr_core:ocean_water_source", {
 	-- More opaque than the normal water
 	post_effect_color = {a = 192, r = 17, g = 69, b = 135},
 	groups = {water = 3, liquid = 3, laser_incompatible = 1, not_in_creative_inventory = 1},
+	sounds = lzr_sounds.node_sound_water_defaults(),
 })
 
 -- For invisible level borders

mods/lzr_sounds/init.lua

@@ -99,3 +99,16 @@ function lzr_sounds.node_sound_metal_defaults(table)
 	lzr_sounds.node_sound_defaults(table)
 	return table
 end
+
+function lzr_sounds.node_sound_water_defaults(table)
+	table = table or {}
+	table.footstep = table.footstep or
+			{name = "lzr_sounds_footstep_water", gain = 1.0}
+	table.dug = table.dug or
+			{name = "lzr_sounds_dug_water", gain = 0.9}
+	table.place = table.place or
+			{name = "lzr_sounds_place_water", gain = 0.3}
+	lzr_sounds.node_sound_defaults(table)
+	return table
+end
+