Allows clients to reload their UI assets

code/modules/client/client defines.dm

@@ -92,3 +92,6 @@
 	var/next_keysend_reset = 0
 	var/next_keysend_trip_reset = 0
 	var/keysend_tripped = FALSE
+
+	// Last world.time that the player tried to request their resources.
+	var/last_ui_resource_send = 0

code/modules/client/client procs.dm

@@ -906,3 +906,33 @@
 	return TRUE
 
 #undef SSD_WARNING_TIMER
+
+/client/verb/resend_ui_resources()
+	set name = "Reload UI Resources"
+	set desc = "Reload your UI assets if they are not working"
+	set category = "Special Verbs"
+
+	var/choice = alert(usr, "This will reload your NanoUI and TGUI resources. If you have any open UIs this may break them. Are you sure?", "Resource Reloading", "Yes", "No")
+	if(choice == "Yes")
+		// 600 deciseconds = 1 minute
+		if((last_ui_resource_send) < world.time)
+			last_ui_resource_send = world.time + 600
+
+			// Close their open UIs
+			SSnanoui.close_user_uis(usr)
+			SStgui.close_user_uis(usr)
+
+			// Resend the resources
+			var/datum/asset/nano_assets = get_asset_datum(/datum/asset/nanoui)
+			nano_assets.register()
+
+			var/datum/asset/tgui_assets = get_asset_datum(/datum/asset/simple/tgui)
+			tgui_assets.register()
+
+			// Clear the user's cache so they get resent.
+			// This is not fully clearing their BYOND cache, just their assets sent from the server this round
+			cache = list()
+
+			to_chat(usr, "<span class='notice'>UI resource files resent successfully</span>")
+		else
+			to_chat(usr, "<span class='warning'>You requested your UI resource files too quickly. Please try again in [(last_ui_resource_send - world.time)/10] seconds.</span>")