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using PixelCrushers.QuestMachine;

public class QuestGiverCustom : QuestGiver
{
    private UnityUIQuestDialogueUI dialogueUI;

    public override void Start()
    {
        base.Start();
        dialogueUI = QuestMachine.defaultQuestDialogueUI as UnityUIQuestDialogueUI;
    }

    protected override void ShowActiveQuest(Quest quest)
    {
        base.ShowActiveQuest(quest);
        // Disable the Close button's default event (Hide) and call our custom method instead.
        dialogueUI.closeButton.onClick.SetPersistentListenerState(0, UnityEngine.Events.UnityEventCallState.Off);
        dialogueUI.closeButton.onClick.AddListener(OnCloseActiveQuest);
    }

    protected void OnCloseActiveQuest()
    {
        // Re-enable the Close button's default event and remove out custom method.
        dialogueUI.closeButton.onClick.SetPersistentListenerState(0, UnityEngine.Events.UnityEventCallState.RuntimeOnly);
        dialogueUI.closeButton.onClick.RemoveListener(OnCloseActiveQuest);

        // Check if there are any new offerable quests. If so, show it. Otherwise close.
        RecordQuestsByState();
        if (offerableQuests.Count > 0)
        {
            StartMostRelevantDialogue();
        }
        else
        {
            dialogueUI.closeButton.onClick.Invoke();
        }
    }
}