Eggs can be thrown and spawn sometimes a new chicken

chicken/egg.lua

@@ -0,0 +1,72 @@
+--= Chicken for Creatures MOB-Engine (cme) =--
+-- Copyright (c) 2015 BlockMen <blockmen2015@gmail.com>
+--
+-- egg.lua
+--
+-- This software is provided 'as-is', without any express or implied warranty. In no
+-- event will the authors be held liable for any damages arising from the use of
+-- this software.
+--
+-- Permission is granted to anyone to use this software for any purpose, including
+-- commercial applications, and to alter it and redistribute it freely, subject to the
+-- following restrictions:
+--
+-- 1. The origin of this software must not be misrepresented; you must not
+-- claim that you wrote the original software. If you use this software in a
+-- product, an acknowledgment in the product documentation is required.
+-- 2. Altered source versions must be plainly marked as such, and must not
+-- be misrepresented as being the original software.
+-- 3. This notice may not be removed or altered from any source distribution.
+--
+
+
+
+local function timer(step, entity)
+	if not entity then
+		return
+	end
+
+	if entity.physical_state == false then
+		if entity.ref then
+			if math.random(1, 20) == 5 then
+				core.add_entity(entity.ref:getpos(), "creatures:chicken")
+			end
+			entity.ref:remove()
+		end
+	else
+		core.after(step, timer, step, entity)
+	end
+end
+
+function throw_egg(player, strength)
+	local pos = player:getpos()
+	pos.y = pos.y + 1.5
+	local dir = player:get_look_dir()
+	pos.x = pos.x + dir.x
+	pos.z = pos.z + dir.z
+	local obj = minetest.add_item(pos, "creatures:egg")
+	if obj then
+		local entity = obj:get_luaentity()
+		entity.ref = obj
+		entity.mergeable = false
+		obj:setvelocity({x = dir.x * strength, y = -3, z = dir.z * strength})
+		obj:setacceleration({x = dir.x * -5 + dir.y, y = -13, z = dir.z * -5 + dir.y})
+		timer(0.1, entity)
+		return true
+	end
+	return false
+end
+
+core.register_craftitem(":creatures:egg", {
+	description = "Egg",
+	inventory_image = "creatures_egg.png",
+	on_use = function(itemstack, user, pointed_thing)
+		--if pointed_thing.type ~= "none" then
+		--	return
+		--end
+		if throw_egg(user, 12) then
+			itemstack:take_item()
+		end
+		return itemstack
+	end,
+})

chicken/init.lua

@@ -21,12 +21,7 @@
 
 
 
-
-core.register_craftitem(":creatures:egg", {
-	description = "Egg",
-	inventory_image = "creatures_egg.png"
-})
-
+dofile(core.get_modpath("chicken") .. "/egg.lua")
 local function dropEgg(obj)
   local pos = obj:getpos()
   if pos then