Bulwark expression masks (#20152)

Adds expression masks to bulwarks. Confirmed by lore.
 
![Bulwark Mask
Export](https://github.com/user-attachments/assets/aa73fbf1-32a8-4eb3-8c8e-0bf3a18046a4)

---------

Co-authored-by: Stev-the-third <[email protected]>

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

@@ -49,18 +49,30 @@
 	build_from_parts = TRUE
 	worn_overlay = "face"
 	contained_sprite = TRUE
+	sprite_sheets = list(
+		BODYTYPE_VAURCA_BULWARK = 'icons/mob/species/bulwark/head.dmi'
+	)
+	species_restricted = list(BODYTYPE_VAURCA, BODYTYPE_VAURCA_BULWARK)
 
 /obj/item/clothing/head/expression/skrell
 	name = "skrell expression mask"
 	desc = "A mask that allows emotively challenged aliens to convey facial expressions. This one depicts a Skrell."
 	icon_state = "skrell_helmet"
 	item_state = "skrell_helmet"
+	sprite_sheets = list(
+		BODYTYPE_VAURCA_BULWARK = 'icons/mob/species/bulwark/head.dmi'
+	)
+	species_restricted = list(BODYTYPE_VAURCA, BODYTYPE_VAURCA_BULWARK)
 
 /obj/item/clothing/head/expression/unathi
 	name = "unathi expression mask"
 	desc = "A mask that allows emotively challenged aliens to convey facial expressions. This one depicts a Unathi."
 	icon_state = "unathi_helmet"
 	item_state = "unathi_helmet"
+	sprite_sheets = list(
+		BODYTYPE_VAURCA_BULWARK = 'icons/mob/species/bulwark/head.dmi'
+	)
+	species_restricted = list(BODYTYPE_VAURCA, BODYTYPE_VAURCA_BULWARK)
 
 /obj/item/clothing/head/shroud
 	name = "vaurcan shroud"

code/modules/client/preference_setup/loadout/items/xeno/vaurca.dm

@@ -26,7 +26,7 @@
 	path = /obj/item/clothing/head/expression
 	cost = 1
 	slot = slot_head
-	whitelisted = list(SPECIES_VAURCA_WORKER, SPECIES_VAURCA_WARRIOR, SPECIES_VAURCA_ATTENDANT)
+	whitelisted = list(SPECIES_VAURCA_WORKER, SPECIES_VAURCA_WARRIOR, SPECIES_VAURCA_ATTENDANT, SPECIES_VAURCA_BULWARK)
 	sort_category = "Xenowear - Vaurca"
 	flags = GEAR_HAS_NAME_SELECTION | GEAR_HAS_DESC_SELECTION | GEAR_HAS_COLOR_SELECTION
 

html/changelogs/Stev-the-third-bulwark_expression_mask.yml

@@ -0,0 +1,61 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes:
+#   bugfix
+#     - (fixes bugs)
+#   wip
+#     - (work in progress)
+#   qol
+#     - (quality of life)
+#   soundadd
+#     - (adds a sound)
+#   sounddel
+#     - (removes a sound)
+#   rscadd
+#     - (adds a feature)
+#   rscdel
+#     - (removes a feature)
+#   imageadd
+#     - (adds an image or sprite)
+#   imagedel
+#     - (removes an image or sprite)
+#   spellcheck
+#     - (fixes spelling or grammar)
+#   experiment
+#     - (experimental change)
+#   balance
+#     - (balance changes)
+#   code_imp
+#     - (misc internal code change)
+#   refactor
+#     - (refactors code)
+#   config
+#     - (makes a change to the config files)
+#   admin
+#     - (makes changes to administrator tools)
+#   server
+#     - (miscellaneous changes to server)
+#################################
+
+# Your name.
+author: Stev-the-third
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, this gets changed to [] after reading.  Just remove the brackets when you add new shit.
+# Please surround your changes in  double quotes ("). It works without them, but if you use certain characters it screws up compiling. The quotes will not show up in the changelog.
+changes:
+  - imageadd: "Added sprites for bulwark expression masks."
+  - rscadd: "Added expression masks to Vaurca bulwarks and the loadout."
+  - bugfix: "Re-aligned the face for human expression masks."
+