Refactor mcl_throwing throw function

mods/mcl_throwing/init.lua

@@ -1,8 +1,8 @@
+mcl_throwing = {}
+
 dofile(minetest.get_modpath("mcl_throwing").."/arrow.lua")
 dofile(minetest.get_modpath("mcl_throwing").."/throwable.lua")
 
-mcl_throwing = {}
-
 local arrows = {
 	["mcl_throwing:arrow"] = "mcl_throwing:arrow_entity",
 }

mods/mcl_throwing/throwable.lua

@@ -3,12 +3,21 @@
 --
 
 local GRAVITY = tonumber(minetest.setting_get("movement_gravity"))
-local snowball_VELOCITY=22
-local egg_VELOCITY=22
-local pearl_VELOCITY=22
 
---Shoot item
-local throw_function = function (entity_name, velocity)
+local velocities = {
+	["mcl_throwing:snowball_entity"] = 22,
+	["mcl_throwing:egg_entity"] = 22,
+	["mcl_throwing:ender_pearl_entity"] = 22,
+}
+
+-- Throw item
+local throw_function = function(entity_name, velocity)
+	if velocity == nil then
+		velocity = velocities[entity_name]
+	end
+	if velocity == nil then
+		velocity = 22
+	end
 	local func = 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}, entity_name)
@@ -131,7 +140,7 @@ minetest.register_craftitem("mcl_throwing:snowball", {
 	description = "Snowball",
 	inventory_image = "mcl_throwing_snowball.png",
 	stack_max = 16,
-	on_use = throw_function("mcl_throwing:snowball_entity", snowball_VELOCITY),
+	on_use = throw_function("mcl_throwing:snowball_entity"),
 	on_construct = function(pos)
 	pos.y = pos.y - 1
 		if minetest.get_node(pos).name == "default:dirt_with_grass" then
@@ -145,7 +154,7 @@ minetest.register_craftitem("mcl_throwing:egg", {
 	description = "Egg",
 	inventory_image = "mcl_throwing_egg.png",
 	stack_max = 16,
-	on_use = throw_function("mcl_throwing:egg_entity", egg_VELOCITY),
+	on_use = throw_function("mcl_throwing:egg_entity"),
 	groups = { craftitem = 1 },
 })
 
@@ -155,6 +164,6 @@ minetest.register_craftitem("mcl_throwing:ender_pearl", {
 	wield_image = "mcl_throwing_ender_pearl.png",
 	inventory_image = "mcl_throwing_ender_pearl.png",
 	stack_max = 16,
-	on_use = throw_function("mcl_throwing:ender_pearl_entity", pearl_VELOCITY),
+	on_use = throw_function("mcl_throwing:ender_pearl_entity"),
 })