Add snowball item and snowball node drops

init.lua

@@ -453,6 +453,11 @@ pedology.register_sucky_group("gravel_coarse", "coarse gravel", "big stone",
 	2, 0, 1, 1, {500, 750, 1000}, 1, sound_gravel_coarse, { crumbly = 1, sun_dry = 1 })
 
 --[[ snow and ice ]]
+minetest.register_craftitem("pedology:lump_snow", {
+	description = "snow ball",
+	wield_image = "pedology_lump_snow.png",
+	inventory_image = "pedology_lump_snow.png",
+})
 
 -- TODO: slushy snow is very instable snow; it should be destroyed when touched
 minetest.register_node("pedology:snow_slush", {
@@ -461,6 +466,7 @@ minetest.register_node("pedology:snow_slush", {
 	sounds = { footstep = { name = "pedology_snow_soft_footstep", gain = 1 } },
 	is_ground_content = true,
 	groups = { crumbly = 1, level = 1, melts = 1, falling_node = 1},
+	drop = "",
 	freezemelt = "pedology:water_fresh_source",
 })
 
@@ -470,6 +476,7 @@ minetest.register_node("pedology:snow_soft", {
 	sounds = { footstep = { name = "pedology_snow_soft_footstep", gain = 1 } },
 	is_ground_content = true,
 	groups = { crumbly = 2, level = 2, melts = 1, falling_node = 1 },
+	drop = "pedology:lump_snow 1",
 	freezemelt = "pedology:water_fresh_source",
 })
 
@@ -479,6 +486,7 @@ minetest.register_node("pedology:snow", {
 	sounds = { footstep = { name = "pedology_snow_footstep", gain = 0.9 } },
 	is_ground_content = true,
 	groups = { crumbly = 3, level = 3, melts = 1, falling_node = 1 },
+	drop = "pedology:lump_snow 2",
 	freezemelt = "pedology:water_fresh_source",
 })
 
@@ -488,6 +496,7 @@ minetest.register_node("pedology:snow_packing", {
 	sounds = { footstep = { name = "pedology_snow_footstep", gain = 1 } },
 	is_ground_content = true,
 	groups = { crumbly = 3, level = 3, melts = 1 },
+	drop = "pedology:lump_snow 3",
 	freezemelt = "pedology:water_fresh_source",
 })
 
@@ -497,6 +506,7 @@ minetest.register_node("pedology:snow_firn", {
 	sounds = { footstep = { name = "pedology_ice_white_footstep", gain = 0.7 } },
 	is_ground_content = true,
 	groups = { crumbly = 2, cracky = 2, level = 4, melts = 1 },
+	drop = "pedology:lump_snow 4",
 	freezemelt = "pedology:water_fresh_source",
 })