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php自己做网站访问量计算,每天4元代发广告,桂林广告设计制作公司,在网站设计中网页框架设计状态模式介绍设计模式定义案例问题堆积在哪里解决办法状态模式一个对象状态可以发生改变不同的状态又有不同的行为逻辑游戏角色加载不同的技能每个技能有不同的：攻击逻辑攻击范围动作等等1 状态很多 2 每个状态有自己的属性和逻辑每种状态单独写一个类角色…

状态模式

介绍

设计模式	定义	案例	问题堆积在哪里	解决办法
状态模式	一个对象状态可以发生改变不同的状态又有不同的行为逻辑	游戏角色加载不同的技能每个技能有不同的：攻击逻辑攻击范围动作等等	1 状态很多 2 每个状态有自己的属性和逻辑	每种状态单独写一个类角色需要那个状态就加载哪一个

类图

角色：

stateBase 抽象状态

stateA 具体状态A

stateB 具体状态B

stateC 具体状态C

FactoryState 状态工厂

代码

RoleContext

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class RoleContext
{string name;StateBase currentState = null;public RoleContext(){name = "独孤求败";}// 展示动作public void ShowAction(){if (null != currentState){currentState.Action();}}// 切换状态public void ChangeActionState(StateBase newState){currentState = newState;}
}

StateBase


public abstract class StateBase
{public abstract void Action();
}

StateA

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class StateA : StateBase
{string name = "普攻";public override void Action(){Debug.Log("释放-" + name);}
}

StateB

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class StateB : StateBase
{string name = "次元斩";public override void Action(){Debug.Log("释放-" + name);}
}

StateC

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class StateC:StateBase
{string name = "升龙击";public override void Action(){Debug.Log("释放-" + name);}
}

FactoryState

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class FactoryState
{// 单例static FactoryState  self = null;FactoryState() { }public static  FactoryState Instance(){if (null == self)self = new FactoryState();return self;}Dictionary<string, StateBase> dic = new Dictionary<string, StateBase>();// 获取实例public StateBase GetStateIns(string className){StateBase ins = null;switch (className){case "StateA":{if (false == dic.ContainsKey(className))ins = new StateA();elseins = dic[className];}break;case "StateB":{if (false == dic.ContainsKey(className))ins = new StateB();elseins = dic[className];}break;case "StateC":{if (false == dic.ContainsKey(className))ins = new StateC();elseins = dic[className];}break;default:Debug.Log("未发现该类！");break;}return ins;}
}

测试代码

using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class TestZT : MonoBehaviour
{void Start(){RoleContext role = new RoleContext();// 切换技能Arole.ChangeActionState(FactoryState.Instance().GetStateIns("StateA"));role.ShowAction();// 切换技能Brole.ChangeActionState(FactoryState.Instance().GetStateIns("StateB"));role.ShowAction();// 切换技能Crole.ChangeActionState(FactoryState.Instance().GetStateIns("StateC"));role.ShowAction();}}