New Crate Visuals (#74636)

## About The Pull Request

Adds several new crate visuals. Adds a new lid overlay for several
crates. Re-names and re-designs bubblegum chest.

![image](https://user-images.githubusercontent.com/28636915/231009153-3abdc29b-1f47-4b7a-8725-97082b92b510.png)

![image](https://user-images.githubusercontent.com/28636915/231009170-40240220-45ed-4f9d-92b7-7925231a298b.png)

## Why It's Good For The Game

New crate visuals and lids not magically disappearing is cool.

## Changelog
🆑
add: New Lids for several crates.
imageadd: Several new Crate Visuals.
/🆑

---------

Co-authored-by: Jacquerel <hnevard@gmail.com>

code/game/objects/items/mail.dm

@@ -216,6 +216,9 @@
 	desc = "A certified post crate from CentCom."
 	icon_state = "mail"
 	can_install_electronics = FALSE
+	lid_icon_state = "maillid"
+	lid_x = -26
+	lid_y = 2
 
 /obj/structure/closet/crate/mail/update_icon_state()
 	. = ..()

code/game/objects/structures/crates_lockers/crates.dm

@@ -19,6 +19,14 @@
 	pass_flags_self = PASSSTRUCTURE | LETPASSTHROW
 	var/crate_climb_time = 20
 	var/obj/item/paper/fluff/jobs/cargo/manifest/manifest
+	/// Where the Icons for lids are located.
+	var/lid_icon = 'icons/obj/storage/crates.dmi'
+	/// Icon state to use for lid to display when opened. Leave undefined if there isn't one.
+	var/lid_icon_state
+	/// Controls the X value of the lid, allowing left and right pixel movement.
+	var/lid_x = 0
+	/// Controls the Y value of the lid, allowing up and down pixel movement.
+	var/lid_y = 0
 
 /obj/structure/closet/crate/Initialize(mapload)
 	. = ..()
@@ -95,6 +103,16 @@
 	manifest = null
 	update_appearance()
 
+/obj/structure/closet/crate/closet_update_overlays(list/new_overlays)
+	. = new_overlays
+	if(opened && lid_icon_state)
+		var/mutable_appearance/lid = mutable_appearance(icon = lid_icon, icon_state = lid_icon_state)
+		lid.pixel_x = lid_x
+		lid.pixel_y = lid_y
+		lid.layer = layer
+		. += lid
+	. += ..()
+
 /obj/structure/closet/crate/coffin
 	name = "coffin"
 	desc = "It's a burial receptacle for the dearly departed."

code/modules/mining/lavaland/necropolis_chests.dm

@@ -106,7 +106,13 @@
 	new /obj/item/crusher_trophy/tail_spike(src)
 
 /obj/structure/closet/crate/necropolis/bubblegum
-	name = "bubblegum chest"
+	name = "\improper Ancient Sarcophagus"
+	desc = "Once guarded by the King of Demons, this sarcophagus contains the relics of an ancient soldier."
+	icon_state = "necro_bubblegum"
+	lid_icon_state = "necro_bubblegum_lid"
+	lid_x = -26
+	lid_y = 2
+
 
 /obj/structure/closet/crate/necropolis/bubblegum/PopulateContents()
 	new /obj/item/clothing/suit/hooded/hostile_environment(src)