RnD & Cat fixes (#1913)

changes:

bugfix: "Fixed an issue where some objects could not be deconstructed with RnD."
bugfix: "Helmet lights now actually display the powered-on sprite."
bugfix: "Cats on heads no longer magically turn invisible."
bugfix: "Cyborgs' portable destructive analyzer can no longer steal intercoms or the captain's safe."
imageadd: "Duffle (duffel?) bags now have in-hand sprites."
Fixes #1158 
Fixes #1662

code/game/objects/items/weapons/circuitboards/computer/holodeckcontrol.dm

@@ -5,7 +5,7 @@
 /obj/item/weapon/circuitboard/holodeckcontrol
 	name = T_BOARD("holodeck control console")
 	build_path = /obj/machinery/computer/HolodeckControl
-	origin_tech = "programming=2;bluespace=2"
+	origin_tech = list(TECH_DATA = 2, TECH_BLUESPACE = 2)
 	var/last_to_emag
 	var/linkedholodeck_area
 	var/list/supported_programs

code/game/objects/items/weapons/material/knives.dm

@@ -58,7 +58,7 @@
 	edge = 1
 	force_divisor = 0.15 // 9 when wielded with hardness 60 (steel)
 	matter = list(DEFAULT_WALL_MATERIAL = 12000)
-	origin_tech = "materials=1"
+	origin_tech = list(TECH_MATERIAL = 1)
 	attack_verb = list("slashed", "stabbed", "sliced", "torn", "ripped", "diced", "cut")
 	unbreakable = 1
 

code/game/objects/items/weapons/material/misc.dm

@@ -18,7 +18,7 @@
 	w_class = 2
 	sharp = 1
 	edge = 1
-	origin_tech = "materials=2;combat=1"
+	origin_tech = list(TECH_MATERIAL = 2, TECH_COMBAT = 1)
 	attack_verb = list("chopped", "torn", "cut")
 	applies_material_colour = 0
 
@@ -61,5 +61,5 @@
 	throw_range = 3
 	w_class = 4
 	slot_flags = SLOT_BACK
-	origin_tech = "materials=2;combat=2"
+	origin_tech = list(TECH_MATERIAL = 2, TECH_COMBAT = 2)
 	attack_verb = list("chopped", "sliced", "cut", "reaped")

code/game/objects/items/weapons/storage/backpack.dm

@@ -329,11 +329,19 @@
 	name = "duffel bag"
 	desc = "A spacious duffel bag."
 	icon_state = "duffel-norm"
+	item_state_slots = list(
+		slot_l_hand_str = "duffle",
+		slot_r_hand_str = "duffle"
+	)
 
 /obj/item/weapon/storage/backpack/duffel/cap
 	name = "captain's duffel bag"
 	desc = "A rare and special duffel bag for only the most air-headed of Nanotrasen personnel."
 	icon_state = "duffel-captain"
+	item_state_slots = list(
+		slot_l_hand_str = "duffle_captain",
+		slot_r_hand_str = "duffle_captain"
+	)
 
 /obj/item/weapon/storage/backpack/duffel/hyd
 	name = "botanist's duffel bag"
@@ -344,16 +352,28 @@
 	name = "virology duffel bag"
 	desc = "A sterilized duffel bag suited to those about to unleash pathogenic havoc upon the world."
 	icon_state = "duffel-virology"
+	item_state_slots = list(
+		slot_l_hand_str = "duffle_med",
+		slot_r_hand_str = "duffle_med"
+	)
 
 /obj/item/weapon/storage/backpack/duffel/med
 	name = "medical duffel bag"
 	desc = "A sterilized duffel bag for the young, upcoming lesbayan."
 	icon_state = "duffel-medical"
+	item_state_slots = list(
+		slot_l_hand_str = "duffle_med",
+		slot_r_hand_str = "duffle_med"
+	)
 
 /obj/item/weapon/storage/backpack/duffel/eng
 	name = "industrial duffel bag"
 	desc = "A rough and tumble duffel bag for the hard working wrench-monkey of tomorrow."
 	icon_state = "duffel-engineering"
+	item_state_slots = list(
+		slot_l_hand_str = "duffle_eng",
+		slot_r_hand_str = "duffle_eng"
+	)
 
 /obj/item/weapon/storage/backpack/duffel/tox
 	name = "scientist's duffel bag"
@@ -374,11 +394,19 @@
 	name = "chemistry duffel bag"
 	desc = "Spice up the love life a little."
 	icon_state = "duffel-chemistry"
+	item_state_slots = list(
+		slot_l_hand_str = "duffle_med",
+		slot_r_hand_str = "duffle_med"
+	)
 
 /obj/item/weapon/storage/backpack/duffel/syndie
 	name = "syndicate duffel bag"
 	desc = "A snazzy black and red duffel bag, perfect for smuggling C4 and Parapens."
 	icon_state = "duffel-syndie"
+	item_state_slots = list(
+		slot_l_hand_str = "duffle_syndie",
+		slot_r_hand_str = "duffle_syndie"
+	)
 
 /obj/item/weapon/storage/backpack/duffel/wizard
 	name = "wizardly duffel bag"

code/game/objects/items/weapons/stunbaton.dm

@@ -208,7 +208,7 @@
 	item_state = "stunrod"
 	force = 20
 	baton_color = "#75ACFF"
-	origin_tech = "combat=4,illegal=2"
+	origin_tech = list(TECH_COMBAT = 4, TECH_ILLEGAL = 2)
 	contained_sprite = 1
 
 /obj/item/weapon/melee/baton/stunrod/New()

code/game/objects/items/weapons/tools.dm

@@ -166,7 +166,7 @@
 	desc = "A welding tool with an extended-capacity built-in fuel tank, standard issue for engineers."
 	max_fuel = 40
 	matter = list(DEFAULT_WALL_MATERIAL = 100, "glass" = 60)
-	origin_tech = "engineering=2"
+	origin_tech = list(TECH_ENGINEERING = 2)
 	base_iconstate = "ind_welder"
 
 
@@ -176,7 +176,7 @@
 	max_fuel = 80
 	w_class = 2.0
 	matter = list(DEFAULT_WALL_MATERIAL = 200, "glass" = 120)
-	origin_tech = "engineering=3"
+	origin_tech = list(TECH_ENGINEERING = 3)
 	base_iconstate = "adv_welder"
 
 
@@ -187,7 +187,7 @@
 	max_fuel = 40
 	w_class = 2.0
 	matter = list(DEFAULT_WALL_MATERIAL = 100, "glass" = 120)
-	origin_tech = "engineering=4;biotech=4"
+	origin_tech = list(TECH_ENGINEERING = 4, TECH_BIO = 4)
 	base_iconstate = "exp_welder"
 	base_itemstate = "exp_welder"
 

code/game/objects/items/weapons/traps.dm

@@ -8,7 +8,7 @@
 	desc = "A mechanically activated leg trap. Low-tech, but reliable. Looks like it could really hurt if you set it off."
 	throwforce = 0
 	w_class = 3
-	origin_tech = "materials=1"
+	origin_tech = list(TECH_MATERIAL = 1)
 	matter = list(DEFAULT_WALL_MATERIAL = 18750)
 	var/deployed = 0