tweak(customs): add optional patron requirement

code/__defines/donations_defines.dm

@@ -9,6 +9,7 @@
 #define PATREON_CULTIST   "cultist"
 #define PATREON_ASSISTANT "assistant"
 
+// IMPORTANT (!!!) KEEP THE ASCENDING ORDER (more benefits -> place it on the right) OTHERWISE IT BREAKS CUSTOM ITEMS ASSIGNATION
 #define PATREON_ALL_TIERS list(\
 	PATREON_NONE, PATREON_CARGO, PATREON_ENGINEER, \
 	PATREON_SCIENTIST, PATREON_HOS, PATREON_CAPTAIN, \

code/modules/client/preference_setup/loadout/lists/custom.dm

@@ -3,6 +3,7 @@
 	var/ckey // assigned ckey of custom item owner
 	var/required_access
 	var/datum/custom_item/item_data
+	var/patreon_type
 
 /datum/gear/custom_item/New(key, item_path, datum/custom_item/data)
 	var/obj/item/A = item_path
@@ -32,6 +33,9 @@
 	gear_tweaks += new /datum/gear_tweak/custom(item_data)
 
 /datum/gear/custom_item/is_allowed_to_display(mob/user)
+	var/list/patreon_all_tiers = PATREON_ALL_TIERS
+	if(patreon_type && patreon_all_tiers.Find(user?.client?.donator_info.patron_type) < patreon_all_tiers.Find(patreon_type))
+		return FALSE
 	return user.ckey == ckey
 
 /datum/gear/custom_item/is_allowed_to_equip(mob/user)

code/modules/customitems/item_spawning.dm

@@ -168,6 +168,7 @@
 			current_data.assoc_key = ckey
 			current_data.item_path = item_path
 			var/datum/gear/custom_item/G = new(ckey, item_path, current_data)
+			G.patreon_type = item_data["patreon_type"]
 
 			var/use_name = G.display_name
 			var/use_category = G.sort_category

config/schema/custom_items.schema.json

@@ -70,6 +70,10 @@
                 },
                 "additional_data": {
                   "type": "string"
+                },
+                "patreon_type": {
+                  "type": "string",
+                  "description": "If there's no nil string, it will be required to have this patreon type or higher to posses item."
                 }
               },
               "required": ["item"],