adds support for non-standard underwear (#405)

code/modules/client/preferences.dm

@@ -1594,7 +1594,7 @@ var/const/MAX_SAVE_SLOTS = 10
 				if("underwear")
 					var/list/underwear_options = gender == MALE ? GLOB.underwear_m : GLOB.underwear_f
 					var/old_gender = gender
-					var/new_underwear = tgui_input_list(user, "Choose your character's underwear:", "Character Preference", underwear_options)
+					var/new_underwear = tgui_input_list(user, "Choose your character's underwear:", "Character Preference", underwear_options-GLOB.underwear_restricted)
 					if(old_gender != gender)
 						return
 					if(new_underwear)
@@ -1604,7 +1604,7 @@ var/const/MAX_SAVE_SLOTS = 10
 				if("undershirt")
 					var/list/undershirt_options = gender == MALE ? GLOB.undershirt_m : GLOB.undershirt_f
 					var/old_gender = gender
-					var/new_undershirt = tgui_input_list(user, "Choose your character's undershirt:", "Character Preference", undershirt_options)
+					var/new_undershirt = tgui_input_list(user, "Choose your character's undershirt:", "Character Preference", undershirt_options-GLOB.undershirt_restricted)
 					if(old_gender != gender)
 						return
 					if(new_undershirt)

code/modules/mob/new_player/preferences_setup.dm

@@ -16,8 +16,10 @@
 	randomize_hair_color("facial")
 	randomize_eyes_color()
 	randomize_skin_color()
-	underwear = gender == MALE ? pick(GLOB.underwear_m) : pick(GLOB.underwear_f)
-	undershirt = gender == MALE ? pick(GLOB.undershirt_m) : pick(GLOB.undershirt_f)
+	var/list/undershirt_options = gender == MALE ? GLOB.undershirt_m : GLOB.undershirt_f
+	undershirt = pick(undershirt_options-GLOB.undershirt_restricted)
+	var/list/underwear_options = gender == MALE ? GLOB.underwear_m : GLOB.underwear_f
+	underwear = pick(underwear_options-GLOB.underwear_restricted)
 	backbag = 2
 	age = rand(AGE_MIN,AGE_MAX)
 	if(H)

code/modules/mob/new_player/sprite_accessories/undershirt.dm

@@ -1,12 +1,15 @@
 GLOBAL_LIST_INIT_TYPED(undershirt_m, /datum/sprite_accessory/undershirt, setup_undershirt(MALE))
 GLOBAL_LIST_INIT_TYPED(undershirt_f, /datum/sprite_accessory/undershirt, setup_undershirt(FEMALE))
+GLOBAL_LIST_INIT_TYPED(undershirt_restricted, /datum/sprite_accessory/undershirt, setup_undershirt(null, TRUE))
 
-/proc/setup_undershirt(restricted_gender)
+/proc/setup_undershirt(restricted_gender, restricted)
 	var/list/undershirt_list = list()
 	for(var/undershirt_type in subtypesof(/datum/sprite_accessory/undershirt))
 		var/datum/sprite_accessory/undershirt/undershirt_datum = new undershirt_type
 		if(restricted_gender && undershirt_datum.gender != restricted_gender && (undershirt_datum.gender == MALE || undershirt_datum.gender == FEMALE))
 			continue
+		if(restricted && !undershirt_datum.restricted)
+			continue
 		if(undershirt_datum.camo_conforming)
 			undershirt_list["[undershirt_datum.name] (Camo Conforming)"] = undershirt_datum
 			var/datum/sprite_accessory/undershirt/classic_datum = new undershirt_type
@@ -28,6 +31,7 @@ GLOBAL_LIST_INIT_TYPED(undershirt_f, /datum/sprite_accessory/undershirt, setup_u
 /datum/sprite_accessory/undershirt
 	icon = 'icons/mob/humans/undershirt.dmi'
 	var/camo_conforming = FALSE
+	var/restricted = FALSE
 
 /datum/sprite_accessory/undershirt/proc/get_image(mob_gender)
 	var/selected_icon_state = icon_state
@@ -117,3 +121,10 @@ GLOBAL_LIST_INIT_TYPED(undershirt_f, /datum/sprite_accessory/undershirt, setup_u
 	icon_state = "strapless"
 	gender = FEMALE
 	camo_conforming = TRUE
+
+// Restricted
+/datum/sprite_accessory/undershirt/telnyashka
+	name = "Telnyashka"
+	icon_state = "telnyashka"
+	gender = NEUTER
+	restricted = TRUE

code/modules/mob/new_player/sprite_accessories/underwear.dm

@@ -1,12 +1,15 @@
 GLOBAL_LIST_INIT_TYPED(underwear_m, /datum/sprite_accessory/underwear, setup_underwear(MALE))
 GLOBAL_LIST_INIT_TYPED(underwear_f, /datum/sprite_accessory/underwear, setup_underwear(FEMALE))
+GLOBAL_LIST_INIT_TYPED(underwear_restricted, /datum/sprite_accessory/underwear, setup_underwear(null, TRUE))
 
-/proc/setup_underwear(restricted_gender)
+/proc/setup_underwear(restricted_gender, restricted)
 	var/list/underwear_list = list()
 	for(var/underwear_type in subtypesof(/datum/sprite_accessory/underwear))
 		var/datum/sprite_accessory/underwear/underwear_datum = new underwear_type
 		if(restricted_gender && underwear_datum.gender != restricted_gender && (underwear_datum.gender == MALE || underwear_datum.gender == FEMALE))
 			continue
+		if(restricted && !underwear_datum.restricted)
+			continue
 		if(underwear_datum.camo_conforming)
 			underwear_list["[underwear_datum.name] (Camo Conforming)"] = underwear_datum
 			var/datum/sprite_accessory/underwear/classic_datum = new underwear_type
@@ -28,6 +31,7 @@ GLOBAL_LIST_INIT_TYPED(underwear_f, /datum/sprite_accessory/underwear, setup_und
 /datum/sprite_accessory/underwear
 	icon = 'icons/mob/humans/underwear.dmi'
 	var/camo_conforming = FALSE
+	var/restricted = FALSE
 
 /datum/sprite_accessory/underwear/proc/get_image(mob_gender)
 	var/selected_icon_state = icon_state