Fix ice not melting properly by non-Sun light

mods/ITEMS/mcl_core/functions.lua

@@ -1175,7 +1175,11 @@ minetest.register_abm({
 	chance = 8,
 	action = function(pos, node)
 		if minetest.get_node_light(pos, 0) >= 12 then
-			minetest.remove_node(pos)
+			if node.name == "mcl_core:ice" then
+				mcl_core.melt_ice(pos)
+			else
+				minetest.remove_node(pos)
+			end
 		end
 	end
 })
@@ -1206,6 +1210,19 @@ function mcl_core.check_vines_supported(pos, node)
 	return supported
 end
 
+-- Melt ice at pos. mcl_core:ice MUST be a post if you call this!
+function mcl_core.melt_ice(pos)
+	-- Create a water source if ice is destroyed and there was something below it
+	local below = {x=pos.x, y=pos.y-1, z=pos.z}
+	local belownode = minetest.get_node(below)
+	local dim = mcl_worlds.pos_to_dimension(below)
+	if dim ~= "nether" and belownode.name ~= "air" and belownode.name ~= "ignore" and belownode.name ~= "mcl_core:void" then
+		minetest.set_node(pos, {name="mcl_core:water_source"})
+	else
+		minetest.remove_node(pos)
+	end
+end
+
 ---- FUNCTIONS FOR SNOWED NODES ----
 -- These are nodes which change their appearence when they are below a snow cover
 -- and turn back into “normal” when the snow cover is removed.

mods/ITEMS/mcl_core/nodes_base.lua

@@ -781,13 +781,7 @@ minetest.register_node("mcl_core:ice", {
 	sounds = mcl_sounds.node_sound_glass_defaults(),
 	node_dig_prediction = "mcl_core:water_source",
 	after_dig_node = function(pos, oldnode)
-		-- Create a water source if ice is destroyed and there was something below it
-		local below = {x=pos.x, y=pos.y-1, z=pos.z}
-		local belownode = minetest.get_node(below)
-		local dim = mcl_worlds.pos_to_dimension(below)
-		if dim ~= "nether" and belownode.name ~= "air" and belownode.name ~= "ignore" and belownode.name ~= "mcl_core:void" then
-			minetest.set_node(pos, {name="mcl_core:water_source"})
-		end
+		mcl_core.melt_ice(pos)
 	end,
 	_mcl_blast_resistance = 2.5,
 	_mcl_hardness = 0.5,