Adds Vision Flags for Helmets

code/modules/clothing/clothing.dm

@@ -241,6 +241,9 @@ BLIND     // can't see anything
 	var/blockTracking // Do we block AI tracking?
 	var/flash_protect = 0
 	var/tint = 0
+	var/HUDType = 0
+	var/vision_flags = 0
+	var/see_darkness = 1
 
 //Mask
 /obj/item/clothing/mask

code/modules/clothing/head/helmet.dm

@@ -13,6 +13,35 @@
 	siemens_coefficient = 0.7
 	loose = 4 // generally well seated
 
+/obj/item/clothing/head/helmet/visor
+	name = "visor helmet"
+	desc = "A helmet with a built-in visor. It doesn't seem to do anything, but it sure looks cool!"
+	icon_state = "helmetgoggles"
+
+/obj/item/clothing/head/helmet/thermal
+	name = "thermal visor helmet"
+	desc = "A helmet with a built-in thermal scanning visor."
+	icon_state = "helmetthermals"
+	vision_flags = SEE_MOBS
+
+/obj/item/clothing/head/helmet/meson
+	name = "meson visor helmet"
+	desc = "A helmet with a built-in meson scanning visor."
+	icon_state = "helmetmesons"
+	vision_flags = SEE_TURFS
+
+/obj/item/clothing/head/helmet/material
+	name = "material visor helmet"
+	desc = "A helmet with a built-in material scanning visor."
+	icon_state = "helmetmaterials"
+	vision_flags = SEE_OBJS
+
+/obj/item/clothing/head/helmet/night
+	name = "night-vision helmet"
+	desc = "A helmet with a built-in pair of night vision goggles."
+	icon_state = "helmetNVG"
+	see_darkness = 0
+
 /obj/item/clothing/head/helmet/alt
 	name = "bulletproof helmet"
 	desc = "A bulletproof helmet that excels in protecting the wearer against traditional projectile weaponry and explosives to a minor extent."

code/modules/clothing/spacesuits/miscellaneous.dm

@@ -29,6 +29,9 @@
 	siemens_coefficient = 0.2
 	max_heat_protection_temperature = FIRE_IMMUNITY_HELM_MAX_TEMP_PROTECT
 	unacidable = 1
+	vision_flags = SEE_MOBS
+	see_darkness = 0
+	HUDType = MEDHUD
 
 /obj/item/clothing/suit/space/deathsquad
 	name = "deathsquad suit"
@@ -46,7 +49,6 @@
 	desc = "An armored beret commonly used by special operations officers."
 	icon_state = "beret_badge"
 	armor = list(melee = 65, bullet = 55, laser = 35,energy = 20, bomb = 30, bio = 30, rad = 30)
-	flags = STOPSPRESSUREDMAGE
 	siemens_coefficient = 0.9
 
 /obj/item/clothing/suit/space/deathsquad/officer