completed_tasks_bag.ttslua

win_cube_GUID = "506978"
completed_task_counter_GUID = "21e8f6"

function onLoad()
    completed_task_value = 0
    completed_task_counter = getObjectFromGUID(completed_task_counter_GUID)
    win_cube = getObjectFromGUID(win_cube_GUID)
end

function onUpdate()
   local num_mission_cards = count_mission_cards(self) -- expensive!
   local missions_to_complete = Global.getVar('MISSIONS_TO_COMPLETE')
   if missions_to_complete ~= nil then
      completed_task_counter.setValue(missions_to_complete - num_mission_cards)
   end
end

function filterObjectEnter(obj)
    -- consumes an object trying to get into the bag and returns
    -- true if the object's a taskcard, false otherwise.
    return Global.call("is_taskcard_p", obj)
end

function count_mission_cards(self)
   -- consumes self (a bag) and counts the number of mission cards I hold
   -- expensive, ish.
   object_descs = self.getObjects()
   count = 0
   for _, desc in ipairs(object_descs) do
      if Global.call("is_taskcard_desc_p", desc) then
         count = count + 1
      end
   end
   return count
end