public void OnButtonPressed(int buttonID)
 {
     if (currentNode.getNextNode() == -1)
     {
         if (currentNode.getEvent() != null)
         {
             currentNode.triggerEvent();
         }
         if (currentNode.getNumButtons() != 0)
         {
             currentNode = currentNode.getChildAt(buttonID);
             displayText(currentNode.getLine());
         }
         else
         {
             endDialogue();
         }
     }
     else
     {
         if (currentNode.getEvent() != null)
         {
             currentNode.triggerEvent();
         }
         currentNode = currentNode.getChildAt(currentNode.getNextNode());
         displayText(currentNode.getLine());
     }
 }
    ///<summary>Start a dialogue with the existing tree and without disabling anything.
    ///This is mostly used for colliders, where we still want them to have collision but we don't want it to stop interacting entirely
    ///</summary>
    public void startDialogue()
    {
        gameObject.GetComponent <Canvas>().enabled           = true;
        gameObject.GetComponent <GraphicRaycaster>().enabled = true;
        //Prevent the player from moving while they're in dialogue
        player.GetComponent <CustomPlatformer2DUserControl>().canControl = false;
        player.GetComponentInChildren <Animator>().SetFloat("Speed", 0f);
        player.GetComponent <Rigidbody2D>().velocity = Vector3.zero;

        currentNode         = dialogueTree.getNodeAtIndex(1);
        currentButtonLayout = null;
        displayText(currentNode.getLine());
    }
    public void startDialogue(TextAsset dialogue, Collider2D triggerToDisable, Sprite NPCSprite)
    {
        triggeredThis         = triggerToDisable;
        triggeredThis.enabled = false;
        gameObject.GetComponent <Canvas>().enabled           = true;
        gameObject.GetComponent <GraphicRaycaster>().enabled = true;

        //Prevent the player from moving while they're in dialogue
        player.GetComponent <CustomPlatformer2DUserControl>().canControl = false;
        player.GetComponentInChildren <Animator>().SetFloat("Speed", 0f);
        player.GetComponent <Rigidbody2D>().velocity = Vector3.zero;

        dialogueTextAsset   = dialogue;
        dialogueTree        = new dialogueTree(dialogue.text, dialogueEvent, NPCSprite);
        currentNode         = dialogueTree.getNodeAtIndex(1);
        currentButtonLayout = null;
        displayText(currentNode.getLine());
    }