ERT riot helmet improvements (#5077)

ERT Civil Protection helmets now have more appropriate sprites and include sprites for having the visor both up and down, as well as the mechanical ability to raise and lower their visors.

code/modules/clothing/head/helmet.dm

@@ -124,6 +124,23 @@
 	desc = "A full helmet made of highly advanced ceramic materials, complete with a jetblack visor. Shines with a mirror sheen."
 	icon_state = "erthelmet_peacekeeper"
 	item_state = "erthelmet_peacekeeper"
+	body_parts_covered = HEAD|FACE|EYES //face shield
+	flags_inv = HIDEEARS
+	action_button_name = "Toggle Visor"
+
+/obj/item/clothing/head/helmet/swat/peacekeeper/attack_self(mob/user as mob)
+	if (use_check(user))
+		return
+
+	if(src.icon_state == initial(icon_state))
+		src.icon_state = "[icon_state]-up"
+		user << "You raise the visor on \the [src]."
+		body_parts_covered = HEAD
+	else
+		src.icon_state = initial(icon_state)
+		user << "You lower the visor on \the [src]."
+		body_parts_covered = HEAD|FACE|EYES
+	update_clothing_icon()
 
 /obj/item/clothing/head/helmet/thunderdome
 	name = "\improper Thunderdome helmet"

html/changelogs/doc-erthelms.yml

@@ -0,0 +1,6 @@
+author: TheDocOct
+
+delete-after: True
+
+changes: 
+  - rscadd: "Updated the ERT Civil Protection helmets to look nicer, and added visor raising/lowering to them."