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code/modules/client/preferences.dm

@@ -357,17 +357,25 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 			dat += "<HR>"
 
 			dat += "<center>"
-			var/client_file = user.client.Import()
+			var/savefile/client_file = user.client.Import()
 			var/savefile_name
-			if(client_file)
-				var/savefile/cache_savefile = new(user.client.Import())
-				if(!cache_savefile["deleted"] || savefile_needs_update(cache_savefile) != -2)
-					cache_savefile["real_name"] >> savefile_name
+			if(istype(client_file, /savefile))
+				if(!client_file["deleted"] || savefile_needs_update(client_file) != -2)
+					client_file["real_name"] >> savefile_name
 			dat += "Local storage: [savefile_name ? savefile_name : "Empty"]"
 			dat += "<br />"
 			dat += "<a href='?_src_=prefs;preference=export_slot'>Export current slot</a>"
 			dat += "<a [savefile_name ? "href='?_src_=prefs;preference=import_slot' style='white-space:normal;'" : "class='linkOff'"]>Import into current slot</a>"
 			dat += "<a href='?_src_=prefs;preference=delete_local_copy' style='white-space:normal;background:#eb2e2e;'>Delete locally saved character</a>"
+			dat += "<br />"
+			dat += "<a href='?_src_=prefs;preference=give_slot' [offer ? "style='white-space:normal;background:#eb2e2e;'" : ""]>[offer ? "Cancel offer" : "Offer slot"]</a>"
+			dat += "<a href='?_src_=prefs;preference=retrieve_slot'>Retrieve offered character</a>"
+			if(offer)
+				dat += "<br />"
+				dat += "The redemption code is <b>[offer.redemption_code]</b>"
+				dat += "<br />"
+				dat += "The offer will automatically be cancelled if there is an error, or if someone takes it"
+
 			dat += "</center>"
 
 			dat += "<HR>"
@@ -3469,6 +3477,7 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 					if(istype(S, /savefile))
 						if(istype(load_character(provided = S), /savefile))
 							tgui_alert_async(user, "Successfully loaded character slot.")
+							save_character(TRUE)
 						else
 							tgui_alert_async(user, "Failed loading character slot")
 							return
@@ -3480,6 +3489,63 @@ GLOBAL_LIST_EMPTY(preferences_datums)
 					user.client.clear_export()
 					tgui_alert_async(user, "Local save data erased.")
 
+				if("give_slot")
+					if(!QDELETED(offer))
+						var/datum/character_offer_instance/offer_datum = LAZYACCESS(GLOB.character_offers, offer.redemption_code)
+						if(!offer_datum)
+							return
+						qdel(offer_datum)
+					else
+						var/savefile/S = save_character(export = TRUE)
+						if(istype(S, /savefile))
+							var/datum/character_offer_instance/offer_datum = new(usr.ckey, S)
+							if(QDELETED(offer_datum))
+								tgui_alert_async(usr, "Could not set up offer, try again later")
+								return
+							offer_datum.RegisterSignal(usr, COMSIG_MOB_CLIENT_LOGOUT, TYPE_PROC_REF(/datum/character_offer_instance, on_quit))
+							offer = offer_datum
+							tgui_alert_async(usr, "The redemption code is [offer_datum.redemption_code], give it to the receiver")
+
+				if("retrieve_slot")
+					if(!LAZYLEN(GLOB.character_offers))
+						tgui_alert_async(usr, "There are no active offers")
+						return
+					var/retrieve_code = input(usr, "Input the 5 digit redemption code") as text|null
+					if(!retrieve_code)
+						return
+					if(!text2num(retrieve_code))
+						tgui_alert_async(usr, "Only numbers allowed")
+						return
+					if(length(retrieve_code) != 5)
+						tgui_alert_async(usr, "Exactly 5 digits, no less, no more, try again")
+						return
+					var/datum/character_offer_instance/offer_datum = LAZYACCESS(GLOB.character_offers, retrieve_code)
+					if(!offer_datum)
+						tgui_alert_async(usr, "This is an invalid code!")
+						return
+					var/savefile/savefile = offer_datum.character_savefile
+					var/mob/living/the_owner = get_mob_by_ckey(offer_datum.owner_ckey)
+					if(savefile_needs_update(savefile) == -2)
+						tgui_alert_async(usr, "Something's wrong, this savefile is corrupted.")
+						to_chat(the_owner, span_boldwarning("Something went wrong with the trade, it's been canceled."))
+						qdel(offer_datum)
+						return
+					var/character_name = savefile["real_name"]
+					if(tgui_alert(usr, "You are overwriting the currently selected slot with the character [character_name]", "Are you sure?", buttons = list("Yes, load this character deleting the currently selected slot", "No")) == "No")
+						return
+					if(QDELETED(offer_datum))
+						tgui_alert_async(usr, "This character is no longer available, such a shame!")
+						return
+					to_chat(the_owner, span_boldwarning("[usr.key] has retrieved your character, [character_name]!"))
+					if(!load_character(provided = savefile))
+						tgui_alert_async(usr, "Something went wrong loading the savefile, even though it has already been checked, please report this issue!")
+						to_chat(the_owner, span_boldwarning("Something went wrong at the final step of the trade, report this."))
+						qdel(offer_datum)
+						return
+					tgui_alert_async(usr, "Successfully received [character_name]!")
+					save_character(TRUE)
+					qdel(offer_datum)
+
 	if(href_list["preference"] == "gear")
 		if(href_list["clear_loadout"])
 			loadout_data["SAVE_[loadout_slot]"] = list()