tgui: Interface improvements (#990)

Co-authored-by: Arkatos1 <43862960+Arkatos1@users.noreply.github.com>
Co-authored-by: Azarak <azarak10@gmail.com>

code/modules/shuttle/computer.dm

@@ -49,6 +49,8 @@
 				data["status"] = "Igniting"
 			if(SHUTTLE_IDLE)
 				data["status"] = "Idle"
+			if(SHUTTLE_RECHARGING)
+				data["status"] = "Recharging"
 			else
 				data["status"] = "In Transit"
 	for(var/obj/docking_port/stationary/S in SSshuttle.stationary)
@@ -70,6 +72,15 @@
 		data["status"] = "Locked"
 	return data
 
+/**
+  * Checks if we are allowed to launch the shuttle, for special cases
+  *
+  * Arguments:
+  * * user - The mob trying to initiate the launch
+  */
+/obj/machinery/computer/shuttle/proc/launch_check(mob/user)
+	return TRUE
+
 /obj/machinery/computer/shuttle/ui_act(action, params)
 	. = ..()
 	if(.)
@@ -80,6 +91,8 @@
 
 	switch(action)
 		if("move")
+			if(!launch_check(usr))
+				return
 			var/obj/docking_port/mobile/M = SSshuttle.getShuttle(shuttleId)
 			if(M.launch_status == ENDGAME_LAUNCHED)
 				to_chat(usr, "<span class='warning'>You've already escaped. Never going back to that place again!</span>")