//called when the mission is completed
public void Complete()
{
AudioManager.Play(gameMgr.GetGeneralAudioSource(), completeAudio, false); //play the complete mission audio
gameMgr.ResourceMgr.UpdateRequiredResources(completeResources, true, GameManager.PlayerFactionID); //give the player's faction the complete resources
CurrAmount = targetAmount; //make sure the current amount doesn't exceed the max amount
gameMgr.MissionMgr.EnableNext(); //ask the manager to enable the next mission
CustomEvents.OnMissionComplete(this); //trigger custom event
completeEvent.Invoke();
}