unity实现延迟回调工具
一个实用的计时器,可以计时延迟调用和延迟重复次数调用。
可以自己封装成单例模式挂在GameObject上使用,或者在另一个behavior的Update里执行这个类的OnUpdate()方法再使用。
为了更加安全的使用,建议在销毁MonoBehaviour时清理一下对应的所有计时器。
或者调用时可选择传入回调所在的MonoBehaviour,这样就可以自动清理了。
using System.Collections; using System; using System.Collections.Generic; using UnityEngine; public static class DelayCall { private static List<CallTimeObj> calltimes = new List<CallTimeObj>(); private static Dictionary<int, CallObj> callsort = new Dictionary<int, CallObj>(); private static int countid = 0; /// <summary> /// 生成id /// </summary> /// <returns>The new identifier.</returns> /// <param name="call">Call.</param> private static int getNewId(CallObj call) { countid++; if (countid >= int.MaxValue) { countid = 1; } while (callsort.ContainsKey(countid)) countid++; call.callid = countid; callsort.Add(countid, call); return countid; } public static void ClearAll() { calltimes.Clear(); callsort.Clear(); } /// <summary> /// 删除延迟执行. /// </summary> /// <param name='call'> /// Call. /// </param> public static void remove(int callid) { if (callid > 0 && callsort.ContainsKey(callid)) { CallObj call = callsort[callid]; callsort.Remove(callid); if (call != null) { calltimes.Remove((CallTimeObj)call); } } } public static int AddTime(float delayTime, object arg, int repeat = 1,Action<object> call) { var callobj = new CallTimeObj(); callobj.argsCall = call; callobj.arg = arg; callobj.repeat = repeat; callobj.time = Time.realtimeSinceStartup + delayTime; callobj.delayTime = delayTime; if (repeat == 0) { callobj.isloop = true; } calltimes.Add(callobj); getNewId(callobj); return callobj.callid; } /// <summary> /// 添加延迟执行 /// </summary> /// <param name="call">回调方法</param> /// <param name="delayTime">延迟时间</param> /// <param name="repeat">重复回调次数</param> /// <param name="mn">承载回掉函数的实例是否存在的判断</param> /// <param name="isUnique">是否是唯一的方法</param> /// <param name="isReplace">如果重复是否覆盖</param> /// <returns></returns> public static int AddTime(float delayTime, int repeat = 1, MonoBehaviour mn = null, bool isUnique = false, bool isReplace = false,Action call) { if (isUnique) { for (int i = 0; i < calltimes.Count; i++) { CallTimeObj call2 = calltimes[i]; if (call2.mn == mn && call2.call == call) { if (isReplace) { call2.time = Time.realtimeSinceStartup + delayTime; } return call2.callid; } } } var callobj = new CallTimeObj(); callobj.call = call; callobj.isMN = (mn != null); callobj.mn = mn; callobj.repeat = repeat; callobj.time = Time.realtimeSinceStartup + delayTime; callobj.delayTime = delayTime; if (repeat == 0) { callobj.isloop = true; } calltimes.Add(callobj); getNewId(callobj); return callobj.callid; } public static void OnUpdate() { //time call if (calltimes.Count != 0) for (int i = 0; i < calltimes.Count; ++i) { CallTimeObj call = calltimes[i]; if (call.time <= Time.realtimeSinceStartup) { if (call.isloop == false) { call.repeat--; if (call.repeat <= 0) { calltimes.RemoveAt(i); callsort.Remove(call.callid); --i; } else { //重新累加时间 call.time += call.delayTime; } } else { call.time += call.delayTime; } if (!call.isMN || call.mn != null) { try { if (call.argsCall != null) { call.argsCall.Invoke(call.arg); if (call.isloop == false) { if (call.repeat <= 0) { call.arg = null; call.argsCall = null; call.mn = null; } } } else { call.call(); } } catch (Exception e) { Debug.LogException(e); } } } } } private class CallObj { public Action call = null; public int frame; public bool isMN; public MonoBehaviour mn; public int callid = 0; } private class CallTimeObj : CallObj { public Action<object> argsCall = null; public float time; public int repeat = 1; public float delayTime = 0; public object arg; public bool isloop = false; } }
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