using System.Collections;
using System.Collections.Generic;
using TowerDefense.Agents;
using UnityEngine;
using UnityEngine.Rendering;
using UnityEngine.UI;

public class agentNumUI : MonoBehaviour
{
    /// <summary>
    /// 是否是敌方显示盘。
    /// </summary>
    public bool opponent;
    /// <summary>
    /// 所有可以显示的Agent图片数量.
    /// </summary>
    public List<Image> listAgentImg;

    protected int maxAgentImg;

    protected List<Agent> agentList = null;
    protected int lastAgNum = 0;

    // Start is called before the first frame update
    void Start()
    {
        maxAgentImg = this.listAgentImg.Count;
        for (int ti = 0; ti < maxAgentImg; ti++)
            listAgentImg[ti].enabled = false;
    }

    // Update is called once per frame
    void Update()
    {
        if( agentList == null)
        {
            if( opponent)
            {
                agentList = AgentInsManager.instance.oppoAgentList;
            }
            else
            {
                agentList = AgentInsManager.instance.agentList;
            }
        }

        // 根据agengList内的agent数目来显示相应的数据
        int agnum = agentList.Count;
        if (agnum > maxAgentImg)
            agnum = maxAgentImg;
        if (agnum == lastAgNum) return;
        if( agnum > lastAgNum)
        {
            for (int ti = lastAgNum; ti < agnum; ti++)
            {
                listAgentImg[ti].enabled = true;
            }
        }
        else
        {
            for( int ti = agnum;ti<lastAgNum;ti++)
            {
                listAgentImg[ti].enabled = false;
            }
        }
        lastAgNum = agnum;
    }



}