Porting contained sprites and first custom item wave (#484)

Porting the contained sprite var from old code, allowing for less problems with icon storages in the future.

Custom items added:

Antique Pocket Watch - Eric Derringer - xelnagahunter
Mendoza's cap - Chance Mendoza - loow
Ziva's Bandana - Ziva Ta'Kim - sierrakomodo
Fancy Jacket - Zubari Akenzua - filthyfrankster (req_titles: Security Officer, Warden, Head of Security, Detective, Forensic Technician)
Heirloom Unathi Mantle - Sslazhir Yinzr - alberyk
Chich Eyewear - Roxy Wallace - nebulaflare
Data Chip - Roxy Wallace - nebulaflare
Sharpshooter Gloves - Hawk Silverstone - nebulaflare
Data Drive Pendant - Kyyir'ry'avii Mo'Taki - nebulaflare
Graphite's chassis - Grap..Null - dreamixpl
Skrell Purple Head Cloth - Shkor-Dyet Dom'Pesh - mofo1995
Pocket Altar - Kiara Branwen - nursiekitty
Brown Hat - Avery Bell - serveris6
Pinned Brown Coat - Avery Bell - serveris6

Also, adding old custom synth sprites from old code.

code/modules/customitems/item_defines.dm

@@ -0,0 +1,146 @@
+/// Aurora custom items ///
+// Add custom items to this file, their sprites into their own dmi. in the icons/obj/custom_items
+// Clothing items will probably require contained sprites
+
+/obj/item/clothing/accessory/fluff/antique_pocket_watch //Antique Pocket Watch - Eric Derringer - xelnagahunter - Done
+	name = "antique pocket watch"
+	icon = 'icons/obj/custom_items/pocket_watch.dmi'
+	icon_state = "pocket_watch_close"
+	item_state = "gold"
+	desc = "The design of this pocket watch signals its age, however it seems to retain its pristine quality. The cover is gold, and there appears to be an elegant crest on the outside of the lid."
+	w_class = 2
+
+/obj/item/clothing/accessory/fluff/antique_pocket_watch/attack_self(mob/user as mob)
+	switch(icon_state)
+		if("pocket_watch_open")
+			icon_state = "pocket_watch_close"
+			usr << "You close the [src]."
+			desc = "The design of this pocket watch signals its age, however it seems to retain its pristine quality. The cover is gold, and there appears to be an elegant crest on the outside of the lid."
+		if("pocket_watch_close")
+			icon_state = "pocket_watch_open"
+			usr << "You open the [src]."
+			desc = "Inside the pocket watch, there is a collection of numbers, displaying '[worldtime2text()]'. On the inside of the lid, there is another sequence of numbers etched into the lid itself."
+
+
+/obj/item/clothing/head/soft/sec/corp/fluff/mendoza_cap //Mendoza's cap - Chance Mendoza - loow - DONE
+	name = "Mendoza's corporate security cap"
+	desc = "A baseball hat in corporate colors.'C. Mendoza' is embroidered in fine print on the bill. On the underside of the cap, in dark ink, the phrase 'Gamble till you're Lucky!' is written in loopy cursive handwriting."
+
+
+/obj/item/clothing/head/fluff/ziva_bandana //Ziva's Bandana - Ziva Ta'Kim - sierrakomodo - DONE
+	name = "old bandana"
+	desc = "An old orange-ish-yellow bandana. It has a few stains from engine grease, and the color has been dulled."
+	icon = 'icons/obj/custom_items/motaki_bandana.dmi'
+	icon_state = "motaki_bandana"
+	contained_sprite = 1
+
+
+/obj/item/clothing/suit/armor/vest/fluff/zubari_jacket //Fancy Jacket - Zubari Akenzua - filthyfrankster - DONE
+	name = "fancy jacket"
+	desc = "A well tailored unathi styled armored jacket, fitted for one too."
+	icon = 'icons/obj/custom_items/zubari_jacket.dmi'
+	icon_state = "zubari_jacket"
+	contained_sprite = 1
+
+
+/obj/item/clothing/suit/unathi/mantle/fluff/yinzr_mantle //Heirloom Unathi Mantle - Sslazhir Yinzr - alberyk - DONE
+	name = "heirloom unathi mantle"
+	desc = "A withered mantle sewn from threshbeast's hides, the pauldrons that holds it on the shoulders seems to be the remains of some kind of old armor."
+	icon = 'icons/obj/custom_items/yinzr_mantle.dmi'
+	icon_state = "yinzr_mantle" //special thanks to Araskael
+	species_restricted = list("Unathi") //forged for lizardmen
+	contained_sprite = 1
+
+
+/obj/item/clothing/glasses/fluff/nebula_glasses	//chich eyewear - Roxy Wallace - nebulaflare - DONE
+	name = "chic eyewear"
+	desc = "A stylish pair of glasses. They look custom made."
+	icon = 'icons/obj/custom_items/nebula_glasses.dmi'
+	icon_state = "nebula_glasses"
+	contained_sprite = 1
+
+/obj/item/clothing/glasses/fluff/nebula_glasses/var/chip
+	/obj/item/clothing/glasses/fluff/nebula_glasses/New()
+		chip = new /obj/item/weapon/disk/fluff/nebula_chip()
+		..()
+
+/obj/item/clothing/glasses/fluff/nebula_glasses/attack_self(mob/user as mob)
+	if(chip)
+		user.put_in_hands(chip)
+		user << "\blue You eject a small, concealed data chip from a small slot in the frames of the [src]."
+		chip = null
+
+/obj/item/clothing/glasses/fluff/nebula_glasses/attackby(obj/item/weapon/W as obj, mob/user as mob)
+	if(istype(W, /obj/item/weapon/disk/fluff/nebula_chip) && !chip)
+		user.u_equip(W)
+		W.loc = src
+		chip = W
+		W.dropped(user)
+		W.add_fingerprint(user)
+		add_fingerprint(user)
+		user << "You slot the [W] back into its place in the frames of the [src]."
+
+/obj/item/weapon/disk/fluff/nebula_chip //data chip - Roxy Wallace - nebulaflare - DONE
+	name = "data chip"
+	desc = "A small green chip."
+	icon = 'icons/obj/custom_items/nebula_chip.dmi'
+	icon_state = "nebula_chip"
+	w_class = 1
+
+
+/obj/item/clothing/gloves/swat/fluff/hawk_gloves //Sharpshooter gloves - Hawk Silverstone - nebulaflare - DONE
+	name = "\improper sharpshooter gloves"
+	desc = "These tactical gloves are tailor made for a marksman."
+	icon = 'icons/obj/custom_items/hawk_gloves.dmi'
+	icon_state = "hawk_gloves"
+	item_state = "swat_gl"
+
+
+/obj/item/clothing/accessory/fluff/karima_datadrive //Data Drive Pendant -  Kyyir'ry'avii Mo'Taki - nebulaflare - DONE
+	name = "data drive"
+	desc = "A small necklace, the pendant flips open to reveal a data drive."
+	icon = 'icons/obj/custom_items/motaki_datadrive.dmi'
+	icon_state = "motaki_datadrive"
+	item_state = "holobadge-cord"
+	slot_flags = SLOT_MASK
+
+
+/obj/item/clothing/ears/skrell/fluff/doompesh_cloth // Skrell Purple Head Cloth - Shkor-Dyet Dom'Pesh - mofo1995 - DONE
+	name = "male skrell purple head cloth"
+	desc = "A purple cloth band worn by male skrell around their head tails."
+	icon = 'icons/obj/custom_items/doompesh_cloth.dmi'
+	icon_state = "dompesh_cloth"
+	contained_sprite = 1
+	
+
+/obj/item/weapons/fluff/kiara_altar // Pocket Altar - Kiara Branwen - nursiekitty - DONE
+	name = "pocket altar"
+	desc = "A black tin box with a symbol painted over it. It shimmers in the light."
+	icon = 'icons/obj/custom_items/kiara_altar.dmi'
+	icon_state = "kiara_altar1"
+	w_class = 2
+
+/obj/item/weapons/fluff/kiara_altar/attack_self(mob/user as mob)
+	if(src.icon_state == "kiara_altar1")
+		src.icon_state = "kiara_altar2"
+		user << "You open the pocket altar, revealing its contents."
+		desc = "A black tin box, you can see inside; a vial of herbs, a little bag of salt, some epoxy clay runes, a candle with match, a permanent marker and a tiny besom."
+	else
+		src.icon_state = "kiara_altar1"
+		user << "You close the pocket altar."
+		desc = "A black tin box with a symbol painted over it. It shimmers in the light."
+
+/obj/item/clothing/head/det_hat/fluff/bell_hat //Brown Hat - Avery Bell - serveris6 - DONE
+	name = "brown hat"
+	desc = "A worn mid 20th century brown hat. It seems to have aged very well."
+	icon = 'icons/obj/custom_items/bell_hat.dmi'
+	icon_state = "bell_hat"
+	contained_sprite = 1
+
+
+/obj/item/clothing/suit/storage/det_suit/fluff/bell_coat //Pinned Brown Coat - Avery Bell - serveris6 - DONE
+	name = "pinned brown coat"
+	desc = "A worn mid 20th century brown trenchcoat. If you look closely at the breast, you can see an ID flap stitched into the leather - 'Avery Bell, Silhouette Co.'."
+	icon = 'icons/obj/custom_items/bell_coat.dmi'
+	icon_state = "bell_coat"
+	contained_sprite = 1