Thermal/NVG changes.

Thermals/NVGs can now be toggled on/off from the GUI action bar, same as mesons.
Adds charge sound for special goggles.

code/game/antagonist/outsider/raider.dm

@@ -30,8 +30,8 @@ var/datum/antagonist/raider/raiders
 
 	var/list/raider_glasses = list(
 		/obj/item/clothing/glasses/thermal,
-		/obj/item/clothing/glasses/thermal/eyepatch,
-		/obj/item/clothing/glasses/thermal/monocle
+		/obj/item/clothing/glasses/thermal/plain/eyepatch,
+		/obj/item/clothing/glasses/thermal/plain/monocle
 		)
 
 	var/list/raider_helmets = list(

code/modules/admin/verbs/debug.dm

@@ -590,7 +590,7 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 			M.equip_to_slot_or_del(new /obj/item/clothing/shoes/black(M), slot_shoes)
 
 			M.equip_to_slot_or_del(new /obj/item/clothing/suit/storage/det_suit(M), slot_wear_suit)
-			M.equip_to_slot_or_del(new /obj/item/clothing/glasses/thermal/monocle(M), slot_glasses)
+			M.equip_to_slot_or_del(new /obj/item/clothing/glasses/thermal/plain/monocle(M), slot_glasses)
 			M.equip_to_slot_or_del(new /obj/item/clothing/head/det_hat(M), slot_head)
 
 			M.equip_to_slot_or_del(new /obj/item/weapon/cloaking_device(M), slot_r_store)
@@ -660,7 +660,7 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 			M.equip_to_slot_or_del(new /obj/item/clothing/mask/gas/clown_hat(M), slot_wear_mask)
 			M.equip_to_slot_or_del(new /obj/item/clothing/head/chaplain_hood(M), slot_head)
 			M.equip_to_slot_or_del(new /obj/item/device/radio/headset(M), slot_l_ear)
-			M.equip_to_slot_or_del(new /obj/item/clothing/glasses/thermal/monocle(M), slot_glasses)
+			M.equip_to_slot_or_del(new /obj/item/clothing/glasses/thermal/plain/monocle(M), slot_glasses)
 			M.equip_to_slot_or_del(new /obj/item/clothing/suit/chaplain_hoodie(M), slot_wear_suit)
 			M.equip_to_slot_or_del(new /obj/item/weapon/bikehorn(M), slot_r_store)
 
@@ -681,7 +681,7 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 			M.equip_to_slot_or_del(new /obj/item/clothing/mask/surgical(M), slot_wear_mask)
 			M.equip_to_slot_or_del(new /obj/item/clothing/head/welding(M), slot_head)
 			M.equip_to_slot_or_del(new /obj/item/device/radio/headset(M), slot_l_ear)
-			M.equip_to_slot_or_del(new /obj/item/clothing/glasses/thermal/monocle(M), slot_glasses)
+			M.equip_to_slot_or_del(new /obj/item/clothing/glasses/thermal/plain/monocle(M), slot_glasses)
 			M.equip_to_slot_or_del(new /obj/item/clothing/suit/apron(M), slot_wear_suit)
 			M.equip_to_slot_or_del(new /obj/item/weapon/kitchenknife(M), slot_l_store)
 			M.equip_to_slot_or_del(new /obj/item/weapon/scalpel(M), slot_r_store)
@@ -832,7 +832,7 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 			M.equip_to_slot_or_del(new /obj/item/clothing/shoes/combat(M), slot_shoes)
 			M.equip_to_slot_or_del(new /obj/item/clothing/gloves/combat(M), slot_gloves)
 			M.equip_to_slot_or_del(new /obj/item/device/radio/headset/heads/captain(M), slot_l_ear)
-			M.equip_to_slot_or_del(new /obj/item/clothing/glasses/thermal/eyepatch(M), slot_glasses)
+			M.equip_to_slot_or_del(new /obj/item/clothing/glasses/thermal/plain/eyepatch(M), slot_glasses)
 			M.equip_to_slot_or_del(new /obj/item/clothing/mask/smokable/cigarette/cigar/havana(M), slot_wear_mask)
 			M.equip_to_slot_or_del(new /obj/item/clothing/head/helmet/space/deathsquad/beret(M), slot_head)
 			M.equip_to_slot_or_del(new /obj/item/weapon/gun/energy/pulse_rifle/M1911(M), slot_belt)
@@ -888,7 +888,7 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 			M.equip_to_slot_or_del(new /obj/item/clothing/shoes/combat(M), slot_shoes)
 			M.equip_to_slot_or_del(new /obj/item/clothing/gloves/combat(M), slot_gloves)
 			M.equip_to_slot_or_del(new /obj/item/device/radio/headset/heads/captain(M), slot_l_ear)
-			M.equip_to_slot_or_del(new /obj/item/clothing/glasses/thermal/eyepatch(M), slot_glasses)
+			M.equip_to_slot_or_del(new /obj/item/clothing/glasses/thermal/plain/eyepatch(M), slot_glasses)
 			M.equip_to_slot_or_del(new /obj/item/clothing/suit/hgpirate(M), slot_wear_suit)
 			M.equip_to_slot_or_del(new /obj/item/weapon/storage/backpack/satchel(M), slot_back)
 			M.equip_to_slot_or_del(new /obj/item/weapon/gun/projectile/revolver/mateba(M), slot_belt)

code/modules/clothing/glasses/glasses.dm

@@ -10,7 +10,9 @@
 	//var/invisa_view = 0
 	var/prescription = 0
 	var/toggleable = 0
+	var/off_state = "degoggles"
 	var/active = 1
+	var/activation_sound = 'sound/items/goggles_charge.ogg'
 	var/obj/screen/overlay = null
 	body_parts_covered = EYES
 
@@ -18,13 +20,15 @@
 	if(toggleable)
 		if(active)
 			active = 0
-			icon_state = "degoggles"
+			icon_state = off_state
 			user.update_inv_glasses()
 			usr << "You deactivate the optical matrix on the [src]."
 		else
 			active = 1
 			icon_state = initial(icon_state)
 			user.update_inv_glasses()
+			if(activation_sound)
+				usr << activation_sound
 			usr << "You activate the optical matrix on the [src]."
 
 /obj/item/clothing/glasses/meson
@@ -51,6 +55,8 @@
 	desc = "The goggles do nothing!"
 	icon_state = "purple"
 	item_state = "glasses"
+	toggleable = 1
+	icon_action_button = "action_science"
 
 /obj/item/clothing/glasses/science/New()
 	..()
@@ -63,6 +69,9 @@
 	item_state = "glasses"
 	origin_tech = "magnets=2"
 	darkness_view = 7
+	toggleable = 1
+	icon_action_button = "action_nvg"
+	off_state = "denight"
 
 /obj/item/clothing/glasses/night/New()
 	..()
@@ -208,6 +217,7 @@
 	item_state = "glasses"
 	origin_tech = "magnets=3"
 	toggleable = 1
+	icon_action_button = "action_thermal"
 	vision_flags = SEE_MOBS
 	invisa_view = 2
 
@@ -218,9 +228,11 @@
 			if(M.glasses == src)
 				M.eye_blind = 3
 				M.eye_blurry = 5
-				M.disabilities |= NEARSIGHTED
-				spawn(100)
-					M.disabilities &= ~NEARSIGHTED
+				// Don't cure being nearsighted
+				if(!(M.disabilities & NEARSIGHTED))
+					M.disabilities |= NEARSIGHTED
+					spawn(100)
+						M.disabilities &= ~NEARSIGHTED
 		..()
 
 /obj/item/clothing/glasses/thermal/New()
@@ -231,28 +243,30 @@
 	name = "Optical Meson Scanner"
 	desc = "Used for seeing walls, floors, and stuff through anything."
 	icon_state = "meson"
-	icon_action_button = "action_meson"
 	origin_tech = "magnets=3;syndicate=4"
 
-/obj/item/clothing/glasses/thermal/monocle
+/obj/item/clothing/glasses/thermal/plain
+	toggleable = 0
+	activation_sound = null
+	icon_action_button = ""
+
+/obj/item/clothing/glasses/thermal/plain/monocle
 	name = "Thermoncle"
 	desc = "A monocle thermal."
 	icon_state = "thermoncle"
 	flags = null //doesn't protect eyes because it's a monocle, duh
-	toggleable = 0
+
 	body_parts_covered = 0
 
-/obj/item/clothing/glasses/thermal/eyepatch
+/obj/item/clothing/glasses/thermal/plain/eyepatch
 	name = "Optical Thermal Eyepatch"
 	desc = "An eyepatch with built-in thermal optics"
 	icon_state = "eyepatch"
 	item_state = "eyepatch"
-	toggleable = 0
 	body_parts_covered = 0
 
-/obj/item/clothing/glasses/thermal/jensen
+/obj/item/clothing/glasses/thermal/plain/jensen
 	name = "Optical Thermal Implants"
 	desc = "A set of implantable lenses designed to augment your vision"
 	icon_state = "thermalimplants"
 	item_state = "syringe_kit"
-	toggleable = 0