splits the two vars in research datums

code/__DEFINES/misc.dm

@@ -162,9 +162,10 @@
 #define MATRIX_NVG 1
 #define MATRIX_WIDE 2
 
-#define RESEARCH_UPGRADE_NULL null
+#define RESEARCH_UPGRADE_NOTHING_TO_PASS null
 #define RESEARCH_UPGRADE_EXCLUDE_BUY -2
 #define RESEARCH_UPGRADE_CATEGORY -1 //lord forgive me
+#define RESEARCH_UPGRADE_ITEM 1
 #define RESEARCH_UPGRADE_TIER_1 1
 #define RESEARCH_UPGRADE_TIER_2 2
 #define RESEARCH_UPGRADE_TIER_3 3

code/datums/research_upgrade_datum.dm

@@ -3,8 +3,10 @@
 	var/name = "Upgrade."
 	///name of upgrades, not items. Items are at research_upgrades.dm somewhere in item folder.
 	var/desc = "something is broken. yippee!!"
-	///which behavior should this type follow. Should this be completely excluded from the buy menu? should it be one of the dropdown options? This is also what gets passed to the initizialize of an item, this can be any number *but* it cannot be -1 or -2, as it messes with the buy menu.
+	///which behavior should this type follow. Should this be completely excluded from the buy menu? should it be one of the dropdown options? or a normal item?
 	var/behavior = RESEARCH_UPGRADE_EXCLUDE_BUY // should this be on the list?
+	//This is what gets passed to the initizialize of an item, RESEARCH_UPGRADE_NOTHING_TO_PASS to not pass anything.
+	var/on_init_argument = RESEARCH_UPGRADE_NOTHING_TO_PASS
 	/// the price of the upgrade, refer to this: 500 is a runner, 8k is queen. T3 is usually 3k, woyer is 2k.
 	var/value_upgrade = 1000
 	/// actual path to the item.(upgrade)
@@ -33,36 +35,41 @@
 /datum/research_upgrades/machinery/autodoc/internal_bleed
 	name = "AutoDoc Internal Bleeding Repair"
 	desc = "A data and instruction set for the AutoDoc, making it capable of rapidly fixing internal bleeding."
-	behavior = RESEARCH_UPGRADE_TIER_1
+	on_init_argument = RESEARCH_UPGRADE_TIER_1
+	behavior = RESEARCH_UPGRADE_ITEM
 	value_upgrade = 200
 	clearance_req = 1
 
 /datum/research_upgrades/machinery/autodoc/broken_bone
 	name = "AutoDoc Bone Fracture Repair"
 	desc = "A data instruction set for the AutoDoc, making it capable of setting fractures and applying bonegel."
-	behavior = RESEARCH_UPGRADE_TIER_2
+	on_init_argument = RESEARCH_UPGRADE_TIER_2
+	behavior = RESEARCH_UPGRADE_ITEM
 	value_upgrade = 2000
 	clearance_req = 3
 
 /datum/research_upgrades/machinery/autodoc/organ_damage
 	name = "AutoDoc Broken Organ Repair"
 	desc = "A data and instruction set for the AutoDoc, making it capable of fixing organ damage."
-	behavior = RESEARCH_UPGRADE_TIER_3
+	on_init_argument = RESEARCH_UPGRADE_TIER_3
+	behavior = RESEARCH_UPGRADE_ITEM
 	value_upgrade = 1500
 	clearance_req = 2
 
 /datum/research_upgrades/machinery/autodoc/larva_removal
 	name = "AutoDoc Embryo Removal"
 	desc = "Data and instruction set for AutoDoc making it mildly proficient in removing parasites left by unknown organism."
-	behavior = RESEARCH_UPGRADE_TIER_4
+	on_init_argument = RESEARCH_UPGRADE_TIER_4
+	behavior = RESEARCH_UPGRADE_ITEM
 	value_upgrade = 4000
 	clearance_req = 6
 
 
 /datum/research_upgrades/machinery/sleeper
 	name = "Sleeper Upgrade"
 	desc = "Research upgrade for Sleeper system, technology on this disk is used on a sleeper to allow wider spectrum of chemicals to be administered, as well as upgrading dialysis software."
-	behavior = RESEARCH_UPGRADE_TIER_1
+	on_init_argument = RESEARCH_UPGRADE_NOTHING_TO_PASS
+	behavior = RESEARCH_UPGRADE_ITEM
 	value_upgrade = 500
 	item_reference = /obj/item/research_upgrades/sleeper
 	upgrade_type = ITEM_MACHINERY_UPGRADE
@@ -77,7 +84,8 @@
 	desc = "Sell the data acquired to the nearest Weyland-Yutani Science division team for 8 or 9 points."
 	value_upgrade = 2000
 	item_reference = /obj/item/research_upgrades/credits
-	behavior = RESEARCH_UPGRADE_TIER_1
+	on_init_argument = RESEARCH_UPGRADE_NOTHING_TO_PASS
+	behavior = RESEARCH_UPGRADE_ITEM
 	upgrade_type = ITEM_ACCESSORY_UPGRADE
 	change_purchase = 500
 	maximum_price = 5000
@@ -88,7 +96,8 @@
 	desc = "An advanced, robust version of the normal scalpel, allowing it to pierce through thick skin and chitin alike with extreme ease."
 	value_upgrade = 3000
 	item_reference = /obj/item/tool/surgery/scalpel/laser/advanced
-	behavior = RESEARCH_UPGRADE_TIER_1
+	on_init_argument = RESEARCH_UPGRADE_NOTHING_TO_PASS
+	behavior = RESEARCH_UPGRADE_ITEM
 	upgrade_type = ITEM_ACCESSORY_UPGRADE
 	clearance_req = 3
 
@@ -97,7 +106,8 @@
 	desc = "A true extension of the surgeon's body, this marvel instantly and completely prepares an incision, allowing for the immediate commencement of therapeutic steps."
 	value_upgrade = 3000
 	item_reference = /obj/item/tool/surgery/scalpel/manager
-	behavior = RESEARCH_UPGRADE_TIER_1
+	on_init_argument = RESEARCH_UPGRADE_NOTHING_TO_PASS
+	behavior = RESEARCH_UPGRADE_ITEM
 	upgrade_type = ITEM_ACCESSORY_UPGRADE
 	clearance_req = 4
 
@@ -109,7 +119,8 @@
 	change_purchase = -200
 	minimum_price = 200
 	item_reference = /obj/item/stack/medical/splint/nano/research
-	behavior = RESEARCH_UPGRADE_TIER_5 //adjust this to change amount of nanosplints in a stack, cant be higher than five, go change max_amount in the nanosplint itself, then change it.
+	on_init_argument = RESEARCH_UPGRADE_TIER_5 //adjust this to change amount of nanosplints in a stack, cant be higher than five, go change max_amount in the nanosplint itself, then change it.
+	behavior = RESEARCH_UPGRADE_ITEM
 	upgrade_type = ITEM_ACCESSORY_UPGRADE
 
 /datum/research_upgrades/item/flamer_tank
@@ -121,7 +132,8 @@
 	minimum_price = 100
 	maximum_price = 1000
 	item_reference = /obj/item/ammo_magazine/flamer_tank/custom/upgraded
-	behavior = RESEARCH_UPGRADE_NULL
+	on_init_argument = RESEARCH_UPGRADE_NOTHING_TO_PASS
+	behavior = RESEARCH_UPGRADE_ITEM
 	upgrade_type = ITEM_ACCESSORY_UPGRADE
 
 /datum/research_upgrades/item/flamer_tank/smoke
@@ -142,7 +154,8 @@
 	name = "Universal Translator Plate"
 	desc = "A uniform-attachable plate capable of translating any unknown language heard by the wearer."
 	value_upgrade = 2000
-	behavior = RESEARCH_UPGRADE_TIER_1
+	on_init_argument = RESEARCH_UPGRADE_NOTHING_TO_PASS
+	behavior = RESEARCH_UPGRADE_ITEM
 	clearance_req = 6
 	upgrade_type = ITEM_ARMOR_UPGRADE
 	item_reference = /obj/item/clothing/accessory/health/research_plate/translator
@@ -152,7 +165,8 @@
 	name = "Active Blood Coagulator Plate"
 	desc = "A uniform-attachable plate capable of coagulating any bleeding wounds the user possesses."
 	value_upgrade = 1200
-	behavior = RESEARCH_UPGRADE_TIER_1
+	on_init_argument = RESEARCH_UPGRADE_NOTHING_TO_PASS
+	behavior = RESEARCH_UPGRADE_ITEM
 	clearance_req = 2
 	change_purchase = -200
 	minimum_price = 200
@@ -164,7 +178,8 @@
 	desc = "A medical plate with two buttons on the sides and a hefty chemical tank. Attached to a uniform and on a simultaneous press, it injects an emergency dose of medical chemicals much larger than a normal emergency autoinjector. Single time use and is recycled in biomass printer. Features overdose protection."
 	value_upgrade = 250
 	clearance_req = 1
-	behavior = RESEARCH_UPGRADE_TIER_1
+	on_init_argument = RESEARCH_UPGRADE_NOTHING_TO_PASS
+	behavior = RESEARCH_UPGRADE_ITEM
 	change_purchase = -100
 	minimum_price = 100
 	upgrade_type = ITEM_ARMOR_UPGRADE
@@ -175,18 +190,20 @@
 	desc = "A strong trauma plate, able to protect the user from a large amount of bullets. Completely useless against sharp objects."
 	value_upgrade = 500
 	clearance_req = 4
-	behavior = RESEARCH_UPGRADE_TIER_1
+	on_init_argument = RESEARCH_UPGRADE_NOTHING_TO_PASS
+	behavior = RESEARCH_UPGRADE_ITEM
 	upgrade_type = ITEM_ARMOR_UPGRADE
 	change_purchase = -50
 	minimum_price = 200
 	item_reference = /obj/item/clothing/accessory/health/ceramic_plate
 
 /datum/research_upgrades/armor/preservation
 	name = "Death Preservation Plate"
-	desc = "preservation plate which activates once the user is dead, uses variety of different substances and sensors to slow down the decay and increase the time before the user is permanently dead, due to small tank of preservatives, it needs to be replaced on each death. Extends time to permadeath by around four minutes."
+	desc = "Preservation plate which activates once the user is dead, uses variety of different substances and sensors to slow down the decay and increase the time before the user is permanently dead, due to small tank of preservatives, it needs to be replaced on each death. Extends time to permadeath by around four minutes."
 	value_upgrade = 500
 	clearance_req = 4
-	behavior = RESEARCH_UPGRADE_TIER_1
+	on_init_argument = RESEARCH_UPGRADE_NOTHING_TO_PASS
+	behavior = RESEARCH_UPGRADE_ITEM
 	upgrade_type = ITEM_ARMOR_UPGRADE
 	change_purchase = -100
 	minimum_price = 100

code/modules/reagents/chemistry_machinery/xenomorph_analyzer.dm

@@ -96,7 +96,7 @@
 		data["upgrades"] += list(list(
 			"name" = capitalize_first_letters(upgrade.name),
 			"desc" = upgrade.desc,
-			"vari" = upgrade.behavior,
+			"vari" = upgrade.on_init_argument,
 			"cost" = price_adjustment,
 			"ref" = upgrade.item_reference,
 			"category" = upgrade.upgrade_type,
@@ -158,7 +158,7 @@
 		upgrade = datum_upgrades
 		if(upgrade.behavior == RESEARCH_UPGRADE_CATEGORY || upgrade.behavior == RESEARCH_UPGRADE_EXCLUDE_BUY)
 			continue
-		if(produce_path == upgrade.item_reference && upgrade.behavior == variation)
+		if(produce_path == upgrade.item_reference && upgrade.on_init_argument == variation)
 			path_exists = TRUE
 			break
 	if(!path_exists)
@@ -178,5 +178,8 @@
 
 /obj/structure/machinery/xenoanalyzer/proc/print_upgrade(produce_path, variation)
 	busy = FALSE
-	new produce_path(get_turf(src), variation)
+	if(variation != RESEARCH_UPGRADE_NOTHING_TO_PASS)
+		new produce_path(get_turf(src), variation)
+		return
+	new produce_path(get_turf(src))