tweaked kitten, added hairball item

kitten.lua

@@ -32,6 +32,7 @@ reach = 1,
 		random = "mobs_kitten",
 	},
 	walk_velocity = 0.6,
+	walk_chance = 15,
 	run_velocity = 2,
 	runaway = true,
 	jump = false,
@@ -47,15 +48,54 @@ reach = 1,
 		stand_end = 192,
 		walk_start = 0,
 		walk_end = 96,
+		stoodup_start = 0,
+		stoodup_end = 0,
 	},
 	follow = {"mobs_animal:rat", "ethereal:fish_raw", "mobs_fish:clownfish", "mobs_fish:tropical"},
 	view_range = 8,
+
 	on_rightclick = function(self, clicker)
 
 		if mobs:feed_tame(self, clicker, 4, true, true) then return end
 		if mobs:protect(self, clicker) then return end
 		if mobs:capture_mob(self, clicker, 50, 50, 90, false, nil) then return end
-	end
+
+		-- by right-clicking owner can switch between staying and walking
+		if self.owner and self.owner == clicker:get_player_name() then
+
+			if self.order ~= "stand" then
+				self.order = "stand"
+				mobs:set_animation(self, "stand")
+			else
+				self.order = ""
+				mobs:set_animation(self, "stoodup")
+			end
+		end
+	end,
+
+	do_custom = function(self, dtime)
+
+		self.hairball_timer = (self.hairball_timer or 0) + dtime
+		if self.hairball_timer < 10 then
+			return
+		end
+		self.hairball_timer = 0
+
+		if self.child
+		or math.random(1, 10) > 1 then
+			return
+		end
+
+		local pos = self.object:get_pos()
+
+		minetest.add_item(pos, "mobs:hairball")
+
+		minetest.sound_play("default_dig_snappy", {
+			pos = pos,
+			gain = 1.0,
+			max_hear_distance = 5,
+		})
+	end,
 })
 
 
@@ -73,7 +113,7 @@ mobs:spawn({
 	interval = 60,
 	chance = 10000, -- 22000
 	min_height = 5,
-	max_height = 200,
+	max_height = 50,
 	day_toggle = true,
 })
 
@@ -82,3 +122,37 @@ mobs:register_egg("mobs_animal:kitten", S("Kitten"), "mobs_kitten_inv.png", 0)
 
 
 mobs:alias_mob("mobs:kitten", "mobs_animal:kitten") -- compatibility
+
+
+local hairball_items = {
+	"default:stick", "default:coal_lump", "default:dry_shrub", "flowers:rose",
+	"mobs_animal:rat", "default:grass_1", "farming:seed_wheat", "dye:green",
+	"farming:seed_cotton", "default:flint", "default:sapling", "dye:white",
+	"default:clay_lump", "default:paper", "default:dry_grass_1", "dye:red",
+	"farming:string", "mobs:chicken_feather", "default:acacia_bush_sapling",
+	"default:bush_sapling", "default:copper_lump", "default:iron_lump",
+}
+
+minetest.register_craftitem(":mobs:hairball", {
+	description = S("Hairball"),
+	inventory_image = "mobs_hairball.png",
+	on_use = function(itemstack, user, pointed_thing)
+
+		local pos = user:get_pos()
+		local dir = user:get_look_dir()
+		local newpos = {x = pos.x + dir.x, y = pos.y + dir.y + 1.5, z = pos.z + dir.z}
+		local item = hairball_items[math.random(1, #hairball_items)]
+
+		minetest.add_item(newpos, {name = item})
+
+		minetest.sound_play("default_place_node_hard", {
+			pos = newpos,
+			gain = 1.0,
+			max_hear_distance = 5,
+		})
+
+		itemstack:take_item()
+
+		return itemstack
+	end,
+})