add speed potion

bottles.lua

@@ -157,3 +157,29 @@ minetest.register_node("magical_potion:fly_huge", {
 	end,
 })
 
+minetest.register_node("magical_potion:speed", {
+	description = "Bottle of Speed",
+	drawtype = "plantlike",
+	tiles = {"speed_bottle.png"},
+	wield_image = "speed_bottle.png",
+	paramtype = "light",
+	stack_max = 1,
+	is_ground_content = false,
+	walkable = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.25, -0.5, -0.25, 0.25, 0.4, 0.25}
+	},
+	groups = {vessel=1,dig_immediate=3,attached_node=1, potion=1},
+	sounds = default.node_sound_glass_defaults(),
+	inventory_image = "speed_bottle.png",
+	on_use = function(itemstack, player)
+	playereffects.apply_effect_type("speed_bottle", 120, player)
+	if minetest.get_modpath("vessels") then
+        player:get_inventory():add_item("main", "vessels:glass_bottle")
+    end
+    itemstack:take_item(1)
+    return itemstack
+	end,
+})
+

functions.lua

@@ -14,3 +14,13 @@ function(effect, player)
 end,
 false,
 false)
+
+
+playereffects.register_effect_type("speed_bottle", "High speed", "pep_speedplus.png", {"speed"},
+function(player)
+    player:set_physics_override({speed=2})
+end,
+function(effect, player)
+    player:set_physics_override({speed=1})
+end
+)