BufferSystem
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Buff可以理解成是一种技能，这种技能加持在一个游戏对象身上，增加这种Buff所特有的属性，包括持续时间，次数等，常用语游戏里面的技能加减血，加减速度等
1.所有Buffer的类型基类
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using UnityEngine;using System.Collections;using System;//所有Buffer的类型基类,抽象类可以包含抽象方法和普通方法，//但是必须要在子类里实现所有基类里面的抽象方法public abstract class BufferStateBase{ // 1.当前状态控制的游戏对象是谁 public Transform CurrCtrl { get; set; } // 2.当前Buffer的类型 -> Buffer? Debuffer? PerBuffer? PerDeBuffer? public object CurrBufferType { get; set; } // 3.当前Buffer具体值 -> SpeedUp? Disarm? public object CurrBurrferState { get; set; } // 4.当前buffer的具体描述, 注意一个抽象方法，在继承它的子类里必须实现他一 public abstract string CurrBufferInfo { get; } // 5.当前Buffer所接受的具体参数，注意是BufferArgs（里面的参数有一个脚本来定义）类型的 public BufferArgs CurrArgs { set; get; } //一系列回调 public abstract bool OnEnter (); public abstract bool OnUpdate (); public abstract bool OnExit ();}2.当前Buffer所具有的具体参数
using UnityEngine;using System.Collections;public class BufferArgs{ // 是否允许重复添加? // false: 不允许重复添加, 但是更新持续时间,意思是当添加一个Buffer时， //如果已经添加了相同的Buffer，那么就只会重新刷新持续时间，而不会重复添加 // true: 允许重复添加, 两个相同的buffer同时发挥作用 public bool m_addition = false; // 如果是周期性的buffer, 每一次间隔是多少? public float m_Timer; // 如果是按次数计量 public int m_Times; // 能否被驱散 public bool m_Dispel; // 持续时间 public float m_ContinuousTime; // 是否结束 public bool isOver = false; //其他一些可能用到的参数 public float m_fValue1; public float m_fValue2; public float m_fValue3; public float m_fValue4; public string m_sValue1; public string m_sValue2; public string m_sValue3; public string m_sValue4; public bool m_bValue1; public bool m_bValue2; public bool m_bValue3; public bool m_bValue4;}3. 这个类中存放各种枚举的类型
public class BufferType{ // 正面buffer public enum Buffer { AllType, //加速的Buffer BufferSpeedUp, //无敌Buffer BufferInvincible, } // 负面buffer public enum DeBuffer { AllType, //减速的Buffer BufferSlowDown, //除装的Buffer BufferDisarm, } // 周期性的正面buffer public enum PerBuffer { AllType, //持续加血的Buffer BufferAddBlood, //持续加魔法值的Buffer BufferAddMagic, } // 周期性的负面buffer public enum PerDeBuffer { AllType, //持续减血的Buffer BufferCRBlood, }}4.加速的Buffer
using UnityEngine;using System.Collections;//继承自Buffer基类的，加速的Bufferpublic class BufferSpeedUp : BufferStateBase{ #region implemented abstract members of BufferStateBase //重写基类中进入Buffer的回调 public override bool OnEnter () { UnityEngine.Debug.Log ("进入加速Buffer"); return true; } //重写基类中Buffer持续的回调 public override bool OnUpdate () { //CurrArgs.m_ContinuousTime，表示buffer持续时间CurrArgs是BufferArgs类型的 UnityEngine.Debug.Log ("持续在加速Buffer中, 剩余时间:" + CurrArgs.m_ContinuousTime); if ((CurrArgs.m_ContinuousTime -= Time.deltaTime) <= 0) { CurrArgs.isOver = true; //表示会否结束，True表示结束 } return true; } //重写离开Buffer的回调 public override bool OnExit () { UnityEngine.Debug.Log ("离开了加速Buffer"); return true; } //当前Buffer的简述 public override string CurrBufferInfo { get { return "这是加速Buffer, 提速为:" + CurrArgs.m_fValue1; } } #endregion}5.Buffer控制器
using UnityEngine;using System.Collections.Generic;using System;//Buffer控制器public class BufferMgr{ // 1.该控制器不需要挂载到游戏对象身上 // 2.和人物控制不同, 不同的buffer之间可以同时工作 // 3.所以我们需要一个容器, 里面存放所有的buffer状态 // 4.我们在每一帧, 按照添加的顺序, 不停的调用每一个状态的OnUpdate方法 // 5.根据状态的m_addition条件来判断是否更新buffer的持续时间 // 公开的接口 // 受到buffer系统影响的游戏对象 public Transform CurrCtrl { get; set; } // 构造方法 public BufferMgr (Transform trans) { CurrCtrl = trans; } // Buffer容器 private List<BufferStateBase> m_bufferList = new List<BufferStateBase> (); // 以下方法是我们的设计, 面向用户的 // 尽可能的全, 并且易于理解和使用 // 1.添加一个新的Buffer(包括刷新或者重新添加) private BufferStateBase BufferCreate (object buffer, BufferArgs bufferArgs) { //直接创建BufferstateBase类型的变量，于BufferSpeedUp是一样的 //Activator.CreateInstance创建一个实例 BufferStateBase newBuffer = Activator.CreateInstance ( Type.GetType (buffer.ToString ()) ) as BufferStateBase; //具体参数赋值 newBuffer.CurrArgs = bufferArgs; // 控制的游戏对象（前面定义的Buffer影响到的游戏对象） newBuffer.CurrCtrl = CurrCtrl; //当前Buffer的类型，负面Buffer还是正面Buffer newBuffer.CurrBufferType = buffer.GetType (); //当前Buffer的具体值 newBuffer.CurrBurrferState = buffer; return newBuffer; } private void BufferAddBase (object buffer, BufferArgs bufferArgs) { // 实例化一个Buffer BufferStateBase newBuffer = BufferCreate (buffer, bufferArgs); // 判断该buffer是否应该添加到容器中 if (newBuffer.CurrArgs.m_addition == true) { // 添加到容器中 newBuffer.OnEnter (); m_bufferList.Add (newBuffer); } else { // 判断该状态在容器中是否存在 if (BufferCheckExistsBase (buffer)) { // 存在, 更新作用时间 //这样用到一个委托（一种缩写形式），在列表里找是否存在Buffer类型的Buffer，然后复制给oldBuffer BufferStateBase oldBuffer = m_bufferList.Find (delegate(BufferStateBase obj) { return obj.CurrBurrferState.Equals (buffer); }); //如果oldBuffer不为空，表示容器中存在了于该Buffer相同的Buffer if (oldBuffer != null) { //那么及更新一下作用时间，也就是重新赋一下值 oldBuffer.CurrArgs.m_ContinuousTime = newBuffer.CurrArgs.m_ContinuousTime; } } else { // 不存在, 直接添加进去 // 添加到容器中 newBuffer.OnEnter (); m_bufferList.Add (newBuffer); } } } public void BufferAdd (BufferType.Buffer buffer, BufferArgs bufferArgs) { // 根据buffer参数创建一个新的BufferStateBase对象 BufferAddBase (buffer, bufferArgs); } public void BufferAdd (BufferType.DeBuffer buffer, BufferArgs bufferArgs) { BufferAddBase (buffer, bufferArgs); } public void BufferAdd (BufferType.PerBuffer buffer, BufferArgs bufferArgs) { BufferAddBase (buffer, bufferArgs); } public void BufferAdd (BufferType.PerDeBuffer buffer, BufferArgs bufferArgs) { BufferAddBase (buffer, bufferArgs); } // 2.移除某一种Buffer, 或者某一类Buffer private void BufferRemoveBase (object bufferType = null) { if (bufferType == null) { m_bufferList.RemoveAll (delegate(BufferStateBase obj) { return (obj.OnExit () || true); }); return; } // 删除一类Buffer还是删除一个Buffer? if ((int)bufferType == 0) { m_bufferList.RemoveAll (delegate(BufferStateBase obj) { return obj.CurrBufferType.Equals (bufferType.GetType ()) && (obj.OnExit () || true); }); } else { m_bufferList.RemoveAll (delegate(BufferStateBase obj) { return obj.CurrBurrferState.Equals (bufferType) && (obj.OnExit () || true); }); } } public void BufferRemove (BufferType.Buffer buffer) { BufferRemoveBase (buffer); } public void BufferRemove (BufferType.DeBuffer buffer) { BufferRemoveBase (buffer); } public void BufferRemove (BufferType.PerBuffer buffer) { BufferRemoveBase (buffer); } public void BufferRemove (BufferType.PerDeBuffer buffer) { BufferRemoveBase (buffer); } public void BufferRemove () { BufferRemoveBase (); } // 3.检查某个Buffer是否存在 private bool BufferCheckExistsBase (object buffer) { BufferStateBase findBuffer = m_bufferList.Find (delegate(BufferStateBase obj) { return obj.CurrBurrferState.Equals (buffer); }); //三目运算符，判断是否存在，存在返回Ture，不存在返回False return findBuffer == null ? false : true; } public bool BufferCheckExists (BufferType.Buffer buffer) { return BufferCheckExistsBase (buffer); } public bool BufferCheckExists (BufferType.DeBuffer buffer) { return BufferCheckExistsBase (buffer); } public bool BufferCheckExists (BufferType.PerBuffer buffer) { return BufferCheckExistsBase (buffer); } public bool BufferCheckExists (BufferType.PerDeBuffer buffer) { return BufferCheckExistsBase (buffer); } // 4.驱动OnUpdate的方法 public void Updata () { // 调用每个Buffer的update方法 m_bufferList.Find (delegate(BufferStateBase obj) { return (obj.OnUpdate () || true); }); // 检查结束的Buffer, 然后移除之 m_bufferList.RemoveAll (delegate(BufferStateBase obj) { return obj.CurrArgs.isOver == true && (obj.OnExit () || true); }); }}6.Buffer管理，挂在游戏对象身上
using UnityEngine;using System.Collections;public class PlayerController : MonoBehaviour{ public BufferMgr m_bufferMgr; //接受一个Buffer控制器 void Start () { m_bufferMgr = new BufferMgr (transform); } void Update () { //每帧调用依次Update m_bufferMgr.Updata (); if (Input.GetKeyDown (KeyCode.Alpha1)) { BufferArgs args = new BufferArgs (); args.m_fValue1 = 0.2f; args.m_addition = false; args.m_ContinuousTime = 3; m_bufferMgr.BufferAdd (BufferType.Buffer.BufferSpeedUp, args); } if (Input.GetKeyDown (KeyCode.Alpha2)) { m_bufferMgr.BufferRemove (BufferType.Buffer.BufferSpeedUp); } if (Input.GetKeyDown (KeyCode.Alpha3)) { m_bufferMgr.BufferRemove (); } }} 0 0
- BufferSystem
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