Rework throwing code, add egg

mods/default/functions.lua

@@ -658,50 +658,6 @@ minetest.register_abm({
 })
 
 
--- 
--- Snowballs
---
-
-snowball_GRAVITY=9
-snowball_VELOCITY=19
-
---Shoot snowball.
-snow_shoot_snowball=function (item, player, pointed_thing)
-	local playerpos=player:getpos()
-	local obj=minetest.add_entity({x=playerpos.x,y=playerpos.y+1.5,z=playerpos.z}, "default:snowball_entity")
-	local dir=player:get_look_dir()
-	obj:setvelocity({x=dir.x*snowball_VELOCITY, y=dir.y*snowball_VELOCITY, z=dir.z*snowball_VELOCITY})
-	obj:setacceleration({x=dir.x*-3, y=-snowball_GRAVITY, z=dir.z*-3})
-	item:take_item()
-	return item
-end
-
---The snowball Entity
-snowball_ENTITY={
-	physical = false,
-	timer=0,
-	textures = {"default_snowball.png"},
-	lastpos={},
-	collisionbox = {0,0,0,0,0,0},
-}
-
---Snowball_entity.on_step()--> called when snowball is moving.
-snowball_ENTITY.on_step = function(self, dtime)
-	self.timer=self.timer+dtime
-	local pos = self.object:getpos()
-	local node = minetest.get_node(pos)
-
-	--Become item when hitting a node.
-	if self.lastpos.x~=nil then --If there is no lastpos for some reason.
-		if node.name ~= "air" then
-			self.object:remove()
-		end
-	end
-	self.lastpos={x=pos.x, y=pos.y, z=pos.z} -- Set lastpos-->Node will be added at last pos outside the node
-end
-
-minetest.register_entity("default:snowball_entity", snowball_ENTITY)
-
 -- Global environment step function
 function on_step(dtime)
 	-- print("on_step")