Adds pathology goggles and their variants

_maps/RandomRuins/LavaRuins/lavaland_surface_syndicate_base1.dmm

@@ -2359,7 +2359,7 @@
 /obj/item/pen/red,
 /obj/item/hand_labeler,
 /obj/item/restraints/handcuffs,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
 /obj/item/storage/box/monkeycubes/mousecubes,
 /obj/item/storage/box/monkeycubes/mousecubes,
 /turf/open/floor/iron/white/side{

_maps/map_files/Blueshift/Blueshift.dmm

@@ -27002,7 +27002,7 @@
 /obj/item/clothing/gloves/latex,
 /obj/item/healthanalyzer,
 /obj/item/clothing/glasses/hud/health,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
 /obj/machinery/light_switch/directional/south,
 /obj/structure/cable,
 /obj/structure/disposalpipe/segment{

_maps/map_files/BoxStation/BoxStation.dmm

@@ -20407,7 +20407,7 @@
 /obj/item/hand_labeler,
 /obj/item/reagent_containers/spray/cleaner,
 /obj/item/radio/headset/headset_med,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
 /obj/item/extrapolator,
 /obj/item/device/antibody_scanner,
 /obj/item/device/antibody_scanner,
@@ -68395,7 +68395,7 @@
 /obj/item/hand_labeler,
 /obj/item/reagent_containers/spray/cleaner,
 /obj/item/radio/headset/headset_med,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
 /obj/item/extrapolator,
 /obj/item/device/antibody_scanner,
 /obj/item/device/antibody_scanner,

_maps/map_files/Deltastation/DeltaStation2.dmm

@@ -74688,7 +74688,7 @@
 	pixel_y = 3
 	},
 /obj/item/clothing/gloves/latex,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
 /obj/item/clothing/glasses/hud/health,
 /obj/item/device/antibody_scanner,
 /obj/item/device/antibody_scanner,

_maps/map_files/Graveyard/Graveyard.dmm

@@ -9706,9 +9706,9 @@
 /area/graveyard/bunker/science)
 "dIY" = (
 /obj/machinery/light/directional/west,
-/obj/item/clothing/glasses/science,
-/obj/item/clothing/glasses/science,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
+/obj/item/clothing/glasses/pathology,
+/obj/item/clothing/glasses/pathology,
 /obj/item/clothing/gloves/latex,
 /obj/item/clothing/gloves/latex,
 /obj/item/clothing/gloves/latex,

_maps/map_files/IceBoxStation/IceBoxStation.dmm

@@ -36651,7 +36651,7 @@
 /obj/structure/extinguisher_cabinet/directional/south,
 /obj/machinery/light/directional/south,
 /obj/structure/table/glass,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
 /obj/item/clothing/glasses/hud/health,
 /obj/item/healthanalyzer,
 /obj/item/clothing/gloves/latex,

_maps/map_files/MetaStation/MetaStation.dmm

@@ -32389,9 +32389,9 @@
 /obj/structure/closet/secure_closet/wall/directional/west{
 	name = "Pathologist Equipment"
 	},
-/obj/item/clothing/glasses/science,
-/obj/item/clothing/glasses/science,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
+/obj/item/clothing/glasses/pathology,
+/obj/item/clothing/glasses/pathology,
 /obj/item/clothing/gloves/latex,
 /obj/item/clothing/gloves/latex,
 /obj/item/clothing/gloves/latex,

_maps/map_files/Ouroboros/Ouroboros.dmm

@@ -24313,7 +24313,7 @@
 /obj/effect/turf_decal/bot,
 /obj/structure/table/glass,
 /obj/item/clothing/gloves/latex,
-/obj/item/clothing/glasses/science{
+/obj/item/clothing/glasses/pathology{
 	pixel_y = 6
 	},
 /obj/item/clothing/glasses/hud/health,

_maps/map_files/Theseus/Theseus.dmm

@@ -73219,9 +73219,9 @@
 /obj/item/clothing/gloves/latex,
 /obj/item/clothing/gloves/latex,
 /obj/item/clothing/gloves/latex,
-/obj/item/clothing/glasses/science,
-/obj/item/clothing/glasses/science,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
+/obj/item/clothing/glasses/pathology,
+/obj/item/clothing/glasses/pathology,
 /obj/effect/turf_decal/trimline/green/filled/line,
 /obj/effect/turf_decal/tile/neutral/half/contrasted{
 	dir = 1

_maps/map_files/Voidraptor/VoidRaptor.dmm

@@ -5058,9 +5058,9 @@
 /obj/structure/closet/secure_closet/wall/directional/west{
 	name = "Pathologist Equipment"
 	},
-/obj/item/clothing/glasses/science,
-/obj/item/clothing/glasses/science,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
+/obj/item/clothing/glasses/pathology,
+/obj/item/clothing/glasses/pathology,
 /obj/item/clothing/gloves/latex,
 /obj/item/clothing/gloves/latex,
 /obj/item/clothing/gloves/latex,

_maps/map_files/generic/CentCom.dmm

@@ -8059,7 +8059,7 @@
 	pixel_y = 3
 	},
 /obj/item/plant_analyzer,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
 /obj/item/reagent_containers/spray/chemsprayer/bioterror{
 	pixel_x = -6;
 	pixel_y = 10

_maps/map_files/tramstation/tramstation.dmm

@@ -47314,8 +47314,8 @@
 /obj/item/reagent_containers/cup/tube,
 /obj/item/reagent_containers/cup/tube,
 /obj/item/reagent_containers/cup/tube,
-/obj/item/clothing/glasses/science,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
+/obj/item/clothing/glasses/pathology,
 /obj/item/clothing/glasses/hud/health,
 /obj/item/reagent_containers/syringe/antiviral,
 /obj/item/reagent_containers/syringe/antiviral,

_maps/templates/lazy_templates/nukie_base.dmm

@@ -1746,7 +1746,7 @@
 	pixel_y = 3
 	},
 /obj/item/plant_analyzer,
-/obj/item/clothing/glasses/science,
+/obj/item/clothing/glasses/pathology,
 /obj/item/reagent_containers/spray/chemsprayer/bioterror{
 	pixel_x = -6;
 	pixel_y = 10

code/__DEFINES/traits/monkestation/declarations.dm

@@ -123,6 +123,8 @@
 #define TRAIT_TRASH_ITEM			"trash_item"
 /// This item came from a gift.
 #define TRAIT_GIFT_ITEM				"gift_item"
+/// The mob can see pathogen clouds and such.
+#define TRAIT_VIRUS_SCANNER "virus_scanner"
 
 // /atom/movable
 /// Things with this trait can pass through wooden barricades.

code/_globalvars/traits/_traits.dm

@@ -510,6 +510,7 @@ GLOBAL_LIST_INIT(traits_by_type, list(
 		"TRAIT_VENTCRAWLER_NUDE" = TRAIT_VENTCRAWLER_NUDE,
 		"TRAIT_VIRUSIMMUNE" = TRAIT_VIRUSIMMUNE,
 		"TRAIT_VIRUS_RESISTANCE" = TRAIT_VIRUS_RESISTANCE,
+		"TRAIT_VIRUS_SCANNER" = TRAIT_VIRUS_SCANNER,
 		"TRAIT_VORACIOUS" = TRAIT_VORACIOUS,
 		"TRAIT_WAS_EVOLVED" = TRAIT_WAS_EVOLVED,
 		"TRAIT_WATER_BREATHING" = TRAIT_WATER_BREATHING,

code/modules/mob/dead/observer/observer.dm

@@ -34,6 +34,7 @@ GLOBAL_VAR_INIT(observer_default_invisibility, INVISIBILITY_OBSERVER)
 	var/ghostvision = 1 //is the ghost able to see things humans can't?
 	var/mob/observetarget = null //The target mob that the ghost is observing. Used as a reference in logout()
 	var/data_huds_on = 0 //Are data HUDs currently enabled?
+	var/disease_view = FALSE //Is disease view currently enabled? (Init signals is on living and I'm not poking that bear.) MONKESTATION EDIT
 	var/health_scan = FALSE //Are health scans currently enabled?
 	var/chem_scan = FALSE //Are chem scans currently enabled?
 	var/gas_scan = FALSE //Are gas scans currently enabled?
@@ -784,6 +785,22 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 		to_chat(src, span_notice("Data HUDs enabled."))
 		data_huds_on = 1
 
+// MONKESTATION ADDITION START
+/mob/dead/observer/verb/toggle_disease_view()
+	set name = "Toggle Disease View"
+	set desc = "Toggles whether you see disease infection vectors. (dormant, blood, contact and airborne)"
+	set category = "Ghost"
+
+	if(disease_view)
+		RemoveElement(/datum/element/virus_viewer)
+		to_chat(src, span_notice("Disease view disabled."))
+	else
+		AddElement(/datum/element/virus_viewer)
+		to_chat(src, span_notice("Disease view enabled."))
+
+	disease_view = !disease_view
+// MONKESTATION ADDITION END
+
 /mob/dead/observer/verb/toggle_health_scan()
 	set name = "Toggle Health Scan"
 	set desc = "Toggles whether you health-scan living beings on click"

code/modules/research/techweb/all_nodes.dm

@@ -1295,6 +1295,7 @@
 		"diagnostic_hud",
 		"health_hud",
 		"scigoggles",
+		"pathology_goggles", // monkestation edit
 		"security_hud",
 	)
 	research_costs = list(TECHWEB_POINT_TYPE_GENERIC = 1500)
@@ -1310,6 +1311,7 @@
 		"night_visision_goggles",
 		"nvgmesons",
 		"nv_scigoggles",
+		"nv_pathology_goggles", // monkestation edit
 		"security_hud_night",
 		"mech_light_amplification",
 	)

monkestation/code/datums/actions/items/toggles.dm

@@ -0,0 +1,2 @@
+/datum/action/item_action/toggle_virus_view
+	name = "Toggle Viral Analyzer"

monkestation/code/datums/components/crafting/tailoring.dm

@@ -0,0 +1,20 @@
+
+/datum/crafting_recipe/virus_analyzer_glasses
+	name = "Viral Analyzer Glasses"
+	result = /obj/item/clothing/glasses/sunglasses/pathology
+	time = 2 SECONDS
+	tool_behaviors = list(TOOL_SCREWDRIVER, TOOL_WIRECUTTER)
+	reqs = list(
+		/obj/item/clothing/glasses/pathology = 1,
+		/obj/item/clothing/glasses/sunglasses = 1,
+		/obj/item/stack/cable_coil = 5
+	)
+	category = CAT_EQUIPMENT
+
+/datum/crafting_recipe/virus_analyzer_removal
+	name = "Viral Analyzer removal"
+	result = /obj/item/clothing/glasses/sunglasses
+	time = 2 SECONDS
+	tool_behaviors = list(TOOL_SCREWDRIVER, TOOL_WIRECUTTER)
+	reqs = list(/obj/item/clothing/glasses/sunglasses/pathology = 1)
+	category = CAT_EQUIPMENT

monkestation/code/datums/components/pathology_glasses.dm

@@ -0,0 +1,118 @@
+// This is a component for glasses that makes them able to see pathogens and also toggle viewing them.
+// Mainly used by "viral analyzer goggles", "viral analyzer glasses" and "night vision viral analyzer goggles", but works with any type of glasses.
+
+/datum/component/pathology_glasses
+	var/icon_state_on = null
+	var/icon_state_off = null
+
+	var/worn_icon_state_on = null
+	var/worn_icon_state_off = null
+
+	var/glass_color_type_on = /datum/client_colour/glass_colour/lightgreen
+	var/glass_color_type_off = /datum/client_colour/glass_colour/lightpurple
+	var/use_glass_color = FALSE
+
+	var/color_cutoffs_on = null
+	var/color_cutoffs_off = null
+	var/use_color_cutoffs = FALSE
+
+	var/enabled = TRUE
+
+	var/action = /datum/action/item_action/toggle_virus_view
+
+/datum/component/pathology_glasses/Initialize(icon_state_on, icon_state_off, worn_icon_state_on = icon_state_on, worn_icon_state_off = icon_state_off, glass_color_type_on, glass_color_type_off, use_glass_color = FALSE, color_cutoffs_on, color_cutoffs_off, use_color_cutoffs = FALSE)
+	var/obj/item/clothing/glasses/glasses = parent
+
+	if(!istype(glasses))
+		return COMPONENT_INCOMPATIBLE
+
+	src.icon_state_on = icon_state_on
+	src.icon_state_off = icon_state_off
+	src.worn_icon_state_on = worn_icon_state_on
+	src.worn_icon_state_off = worn_icon_state_off
+	src.use_glass_color = use_glass_color
+	src.use_color_cutoffs = use_color_cutoffs
+
+	if(use_glass_color)
+		src.glass_color_type_on ||= glass_color_type_on
+		src.glass_color_type_off ||= glass_color_type_off
+		glasses.glass_colour_type = glass_color_type_on
+
+	if(use_color_cutoffs)
+		src.color_cutoffs_on = color_cutoffs_on
+		src.color_cutoffs_off = color_cutoffs_off
+		glasses.color_cutoffs = color_cutoffs_on
+
+	action = glasses.add_item_action(action) // Doing it after setting the icon state vars makes sure the item action has the correct sprite.
+
+/datum/component/pathology_glasses/RegisterWithParent()
+	RegisterSignal(parent, COMSIG_ITEM_UI_ACTION_CLICK, PROC_REF(on_action_click))
+	RegisterSignal(parent, COMSIG_ITEM_EQUIPPED, PROC_REF(on_equipped))
+
+/datum/component/pathology_glasses/UnregisterFromParent()
+	UnregisterSignal(parent, list(COMSIG_ITEM_UI_ACTION_CLICK, COMSIG_ITEM_EQUIPPED))
+
+/datum/component/pathology_glasses/proc/on_action_click(datum/source, mob/living/user, datum/action/action)
+	SIGNAL_HANDLER
+
+	if(src.action != action)
+		return
+
+	if(enabled)
+		disable(user)
+	else
+		enable(user)
+
+/datum/component/pathology_glasses/proc/on_equipped(datum/source, mob/living/user, slot)
+	SIGNAL_HANDLER
+
+	if(!(slot & ITEM_SLOT_EYES))
+		return
+
+	if(enabled)
+		ADD_CLOTHING_TRAIT(user, TRAIT_VIRUS_SCANNER)
+
+	RegisterSignal(user, COMSIG_MOB_UNEQUIPPED_ITEM, PROC_REF(on_item_unequipped))
+
+/datum/component/pathology_glasses/proc/on_item_unequipped(mob/living/user, obj/item/item)
+	SIGNAL_HANDLER
+
+	if(item != parent)
+		return
+
+	if(enabled)
+		REMOVE_CLOTHING_TRAIT(user, TRAIT_VIRUS_SCANNER)
+
+	UnregisterSignal(user, COMSIG_MOB_UNEQUIPPED_ITEM)
+
+/datum/component/pathology_glasses/proc/enable(mob/living/user)
+	enabled = TRUE
+	update_icon_states(user)
+
+	ADD_CLOTHING_TRAIT(user, TRAIT_VIRUS_SCANNER)
+
+	playsound(get_turf(parent), 'sound/machines/click.ogg', vol = 30, vary = TRUE)
+
+/datum/component/pathology_glasses/proc/disable(mob/living/user)
+	enabled = FALSE
+	update_icon_states(user)
+
+	REMOVE_CLOTHING_TRAIT(user, TRAIT_VIRUS_SCANNER)
+
+	playsound(get_turf(parent), 'sound/machines/click.ogg', vol = 30, vary = TRUE)
+
+/datum/component/pathology_glasses/proc/update_icon_states(mob/living/user)
+	var/obj/item/clothing/glasses/glasses = parent
+
+	glasses.icon_state = enabled ? icon_state_on : icon_state_off
+	glasses.worn_icon_state = enabled ? worn_icon_state_on : worn_icon_state_off
+
+	if(use_glass_color)
+		glasses.change_glass_color(user, enabled ? glass_color_type_on : glass_color_type_off)
+
+	if(use_color_cutoffs)
+		glasses.color_cutoffs = enabled ? color_cutoffs_on : color_cutoffs_off
+		user.update_sight()
+
+	user.update_worn_glasses()
+	glasses.update_item_action_buttons()