UI设置

血条、暴击提示、伤害血量提示都在一个UIPrefab里面，场景中的每个Entity都动态地在UI中分配一个血条。

如下图，每一个Entity都动态添加一个Item Entity HP。

血条Prefab

ItemEntityHP脚本

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using TMPro;

namespace DarknessWarGodLearning
{
    public class ItemEntityHP : MonoBehaviour
    {
        #region UIDefine
        [SerializeField] Image imgHPGray;
        [SerializeField] Image imgHPRed;

        [SerializeField] Animation criticalAni;
        [SerializeField] TextMeshProUGUI txtCritical;

        [SerializeField] Animation dodgeAni;

        [SerializeField] Animation hpAni;
        [SerializeField] TextMeshProUGUI txtHp;
        #endregion


        public void SetCritical(int critical)
        {
            criticalAni.Stop();
            txtCritical.text = critical.ToString();
            criticalAni.Play();
        }
        public void SetDodge()
        {
            dodgeAni.Stop();
            dodgeAni.Play();
        }
        public void SetHurt(int hpDamage)
        {
            hpAni.Stop();
            txtCritical.text = "-" + hpDamage.ToString();
            hpAni.Play();
        }
        private bool HpChanged = false;
        private float duration = 1f;
        private float startTIme;
        private float targetPrg;
        public void SetHPBar(float hpPrg)
        {
            imgHPRed.fillAmount = hpPrg;
            targetPrg = hpPrg;
            startTIme = Time.time;
            HpChanged = true;
        }
        
        private void Update()
        {
            if (HpChanged)
            {
                float t = (Time.time - startTIme) / duration;
                imgHPGray.fillAmount = Mathf.SmoothStep(imgHPGray.fillAmount, targetPrg,t);
                if(t > 1)
                {
                    HpChanged=false;
                }
            }
        }
       /* // 测试平滑
        private float prg = 1;
        private void OnGUI()
        {
            if (GUILayout.Button("+"))
            {
                prg += 0.2f;
                SetHPBar(prg);
                SetDodge();
            }
            else if (GUILayout.Button("-"))
            {
                prg -= 0.2f;
                SetHPBar(prg);
                SetCritical(696);
                SetHurt(336);
            }
        }*/
    }
}

修改DynamicWnd脚本

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public Transform hpItemRoot;
private Dictionary<string,ItemEntityHP> itemDic = new Dictionary<string,ItemEntityHP>();
public void AddHpItemInfo(string key,Transform trans, int hp)//trans指的是血条UI的显示位置
{
    ItemEntityHP item = null;
    if(itemDic.TryGetValue(key, out item))
    {
        return;
    }
    else
    {
        var itemHp = resSvc.LoadPrefab(PathDefine.EntityHpItemPrefab, true);
        itemHp.transform.SetParent(hpItemRoot);
        itemHp.transform.SetPositionAndRotation(new Vector3(-1000, 0, 0),Quaternion.identity);
        ItemEntityHP ieh = itemHp.GetComponent<ItemEntityHP>();
        ieh.InitItemInfo(trans,hp);
        itemDic.Add(key, ieh);
    }
}

修改Controller，让它能够获取Prefab中预先放进去的血条显示位置

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public Transform hpRoot;//放一个引用即可

在BattleMgr加载Monster时加载血条：

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public void LoadMonsterByWaveID(int waveID)
{
    for (int i = 0; i < mapCfg.monsterList.Count; i++)
    {
        MonsterData md = mapCfg.monsterList[i];
        if(md.mWave == waveID)
        {
            //...
            m.SetActive(false);
            entityMonsterDic.Add(m.name, em);
            GameRoot.Instance.dynamicWnd.AddHpItemInfo(m.name,mc.hpRoot, em.HP);
        }
    }
}

修改GameRoot内的Bug

我们的DynamicWnd在游戏一开始初始化时就是开着的，但是DynamicWnd初始化时各个System还没初始化好：

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void Start()
{
    Instance = this;
    ClearUIRoot();//此时DynamicWnd已经初始化了

    Init();//此时各个System才初始化
    DontDestroyOnLoad(this);
}
private void ClearUIRoot()
{
    Transform canvas = transform.Find("Canvas");
    for (int i = 0; i < canvas.childCount; i++)
    {
        canvas.GetChild(i).gameObject.SetActive(false);
    }
    dynamicWnd.SetWndState();
}

我们将上面的dynamicWnd.SetWndState();放在GameRoot.Init方法体内

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private void Init()
{
    //...各个系统初始化
    dynamicWnd.SetWndState();
    //...
}