Merge pull request #4616 from Citadel-Station-13/upstream-merge-33950

[MIRROR] Fixes thermals, also drops the see invisible from thermals.

code/modules/clothing/glasses/_glasses.dm

@@ -11,7 +11,7 @@
 	materials = list(MAT_GLASS = 250)
 	var/vision_flags = 0
 	var/darkness_view = 2//Base human is 2
-	var/invis_view = SEE_INVISIBLE_LIVING
+	var/invis_view = SEE_INVISIBLE_LIVING	//admin only for now
 	var/invis_override = 0 //Override to allow glasses to set higher than normal see_invis
 	var/lighting_alpha
 	var/list/icon/current = list() //the current hud icons
@@ -261,7 +261,7 @@
 	icon_state = "thermal"
 	item_state = "glasses"
 	vision_flags = SEE_MOBS
-	invis_view = 2
+	lighting_alpha = LIGHTING_PLANE_ALPHA_MOSTLY_VISIBLE
 	flash_protect = 0
 	glass_colour_type = /datum/client_colour/glass_colour/red
 

code/modules/clothing/glasses/hud.dm

@@ -174,7 +174,7 @@
 	icon_state = "thermal"
 	hud_type = DATA_HUD_SECURITY_ADVANCED
 	vision_flags = SEE_MOBS
-	invis_view = 2
+	lighting_alpha = LIGHTING_PLANE_ALPHA_MOSTLY_VISIBLE
 	glass_colour_type = /datum/client_colour/glass_colour/red
 
 /obj/item/clothing/glasses/hud/toggle/thermal/attack_self(mob/user)