using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class tuio_event : MonoBehaviour
{
    // Start is called before the first frame update
    public GameObject img;
    public GameObject canvas;
    public UltraCombos.GlobalMKHookInput tuio_input;

    List<int> cur_ids = new List<int>();
    List<int> pre_ids = new List<int>();

    int pre_count;
    int cur_count;

    void Start()
    {
        cur_count = 0;
    }

    // Update is called once per frame
    void Update()
    {
        pre_count = cur_count;
        pre_ids.Clear();
        cur_ids.ForEach(i => pre_ids.Add(i));
       
        cur_count = tuio_input.touchCount;
        cur_ids.Clear();

        for (int i = 0; i < cur_count; i++)
        {
            cur_ids.Add(tuio_input.GetTouch(i).fingerId);
        }
        
        if (cur_count > pre_count) // Add
        {
            //Debug.Log("Add");
            for (int i = 0; i < cur_count; i++)
            {
                int _id = tuio_input.GetTouch(i).fingerId;
                bool isOldTouch = pre_ids.Contains(_id);
                if (isOldTouch == false)
                {
                    GameObject g = Instantiate(img, canvas.GetComponent<Transform>());
                    g.name = _id.ToString();
                    //g.GetComponent<movieController>().id = i;
                }
            }
        }
        else if (cur_count < pre_count) // Remove
        {
            //Debug.Log("Remove"); 
            for (int i = 0; i < pre_count; i++)
            {
                int _id = pre_ids[i];
                bool isExitTouch = !cur_ids.Contains(_id);
                if (isExitTouch)
                {
                    //GameObject.Find(_id.ToString()).GetComponent<movieController>().stat = 2;
                    Destroy(GameObject.Find(_id.ToString()));
                }
            }    
        }
        reset_id();
    }

    void reset_id()
    {
        GameObject[] objs = GameObject.FindGameObjectsWithTag("onFoot");
        Debug.Log(objs.Length);
        for (int i = 0; i < objs.Length; i++)
        {
            objs[i].GetComponent<movieController>().id = i - 1;
        }
    }
}