migrate all /obj/item from /New() to /Initialize() (#31232)

* migrate all /obj/item from /New() to /Initialize()

* move GLOB.chemical_reagents_list creation to /world/New()

* review

* oops

* autodoc a smart var

code/modules/projectiles/ammunition.dm

@@ -30,8 +30,8 @@
 
 	scatter_distance = 10
 
-/obj/item/ammo_casing/New()
-	..()
+/obj/item/ammo_casing/Initialize(mapload)
+	. = ..()
 	if(projectile_type)
 		BB = new projectile_type(src)
 	scatter_atom()

code/modules/projectiles/ammunition/ammo_casings.dm

@@ -299,8 +299,8 @@
 	muzzle_flash_strength = MUZZLE_FLASH_STRENGTH_NORMAL
 	muzzle_flash_range = MUZZLE_FLASH_RANGE_NORMAL
 
-/obj/item/ammo_casing/shotgun/dart/New()
-	..()
+/obj/item/ammo_casing/shotgun/dart/Initialize(mapload)
+	. = ..()
 	create_reagents(30)
 
 /obj/item/ammo_casing/shotgun/dart/attackby__legacy__attackchain()
@@ -309,8 +309,8 @@
 /obj/item/ammo_casing/shotgun/dart/bioterror
 	desc = "A shotgun dart filled with deadly toxins."
 
-/obj/item/ammo_casing/shotgun/dart/bioterror/New()
-	..()
+/obj/item/ammo_casing/shotgun/dart/bioterror/Initialize(mapload)
+	. = ..()
 	reagents.add_reagent("neurotoxin", 6)
 	reagents.add_reagent("spore", 6)
 	reagents.add_reagent("capulettium_plus", 6) //;HELP OPS IN MAINT

code/modules/projectiles/ammunition/energy_lens.dm

@@ -163,8 +163,8 @@
 	fire_sound = 'sound/weapons/pulse3.ogg'
 	var/temp = 300
 
-/obj/item/ammo_casing/energy/temp/New()
-	..()
+/obj/item/ammo_casing/energy/temp/Initialize(mapload)
+	. = ..()
 	BB = null
 
 /obj/item/ammo_casing/energy/temp/newshot()
@@ -234,7 +234,7 @@
 	select_name = "blue"
 	harmful = FALSE
 
-/obj/item/ammo_casing/energy/wormhole/New(obj/item/gun/energy/wormhole_projector/wh)
+/obj/item/ammo_casing/energy/wormhole/Initialize(mapload, obj/item/gun/energy/wormhole_projector/wh)
 	gun = wh
 	return ..()
 
@@ -348,8 +348,8 @@
 	select_name = "teleport beam"
 	var/teleport_target
 
-/obj/item/ammo_casing/energy/teleport/New()
-	..()
+/obj/item/ammo_casing/energy/teleport/Initialize(mapload)
+	. = ..()
 	BB = null
 
 /obj/item/ammo_casing/energy/teleport/newshot()
@@ -362,8 +362,8 @@
 	select_name = "gun mimic"
 	var/mimic_type
 
-/obj/item/ammo_casing/energy/mimic/New()
-	..()
+/obj/item/ammo_casing/energy/mimic/Initialize(mapload)
+	. = ..()
 	BB = null
 
 /obj/item/ammo_casing/energy/mimic/newshot()

code/modules/projectiles/guns/energy_guns.dm

@@ -115,7 +115,7 @@
 	select = clamp(select, 1, length(ammo_type)) // If we decrease ammo types while selecting a removed one, we want to make sure it doesnt try to select an out of bounds index
 	for(var/i = 1, i <= length(ammo_type), i++)
 		var/shottype = ammo_type[i]
-		shot = new shottype(src)
+		shot = new shottype(src, src)
 		ammo_type[i] = shot
 	shot = ammo_type[select]
 	fire_sound = shot.fire_sound

code/modules/projectiles/guns/magic.dm

@@ -54,7 +54,7 @@
 /obj/item/gun/magic/Initialize(mapload)
 	. = ..()
 	charges = max_charges
-	chambered = new ammo_type(src)
+	chambered = new ammo_type(src, src)
 	if(can_charge)
 		START_PROCESSING(SSobj, src)