tidy code, add special kitten spawn

kitten.lua

@@ -2,6 +2,12 @@
 local S = mobs.intllib_animal
 local hairball = minetest.settings:get("mobs_hairball")
 
+local kitten_types = {
+
+	{	nodes = {"farming:jackolantern_on"},
+		skins = {"mobs_kitten_black.png"}
+	}
+}
 
 -- Kitten by Jordach / BFD
 
@@ -59,6 +65,28 @@ mobs:register_mob("mobs_animal:kitten", {
 	},
 	view_range = 8,
 
+	-- check surrounding nodes and spawn a specific kitten
+	on_spawn = function(self)
+
+		local pos = self.object:get_pos() ; pos.y = pos.y - 1
+		local tmp
+
+		for n = 1, #kitten_types do
+
+			tmp = kitten_types[n]
+
+			if minetest.find_node_near(pos, 1, tmp.nodes) then
+
+				self.base_texture = tmp.skins
+				self.object:set_properties({textures = tmp.skins})
+
+				return true
+			end
+		end
+
+		return true -- run only once, false/nil runs every activation
+	end,
+
 	on_rightclick = function(self, clicker)
 
 		if mobs:feed_tame(self, clicker, 4, true, true) then return end
@@ -92,8 +120,7 @@ mobs:register_mob("mobs_animal:kitten", {
 		end
 		self.hairball_timer = 0
 
-		if self.child
-		or math.random(250) > 1 then
+		if self.child or math.random(250) > 1 then
 			return
 		end
 
@@ -102,10 +129,7 @@ mobs:register_mob("mobs_animal:kitten", {
 		minetest.add_item(pos, "mobs:hairball")
 
 		minetest.sound_play("default_dig_snappy", {
-			pos = pos,
-			gain = 1.0,
-			max_hear_distance = 5
-		})
+				pos = pos, gain = 1.0, max_hear_distance = 5}, true)
 	end
 })