Unity3D 全局逻辑事件/消息派发 实现

1.先看下怎么使用的

1）脚本中注册逻辑事件

        void Start () 
        {
            m_pGUICanvasObj = GameObject.Find("Canvas");
            if(m_pGUICanvasObj != null)
            {
                m_pGUICanvasObj.SetActive(false);
            }
　　　　　　　//为当前MonoBehaviour脚本注册对于MENU_VISIBLE_CHANGED事件的监听器
            EventDispatchModule.GetSingletonInstance().RegisterEventHandler(LOGIC_EVENT_ID.MENU_VISIBLE_CHANGED,this);
        }

2）脚本销毁时移除

        void OnDestroy() 
        {
　　　　　　　//当脚本销毁时，移除监听器
            EventDispatchModule.GetSingletonInstance().RemoveEventHandler(LOGIC_EVENT_ID.MENU_VISIBLE_CHANGED,this);
        }

3）发送全局逻辑事件

        public void Btn_BackToGame()
        {
            m_bShowMenu = false;
            //这里全局逻辑事件传递的参数可以是任意类型的，以引用传递
            EventDispatchModule.SendWrap<bool>(LOGIC_EVENT_ID.MENU_VISIBLE_CHANGED,ref m_bShowMenu);
        }

4）响应逻辑事件（这里暂时比较挫，没有以回调的形式体现，后面再改）

        public bool HandMessage(LOGIC_EVENT_ID iLogicEventID, ref object obj)
        {
            switch(iLogicEventID)
            {
            case LOGIC_EVENT_ID.MENU_VISIBLE_CHANGED:
            {
                OnMenuVisibleChanged();
                return true;//return true 表示其它监听器可以继续处理该事件，false表示吞噬事件
            }
            default:
                break;
            }
            return true;
        }

2.实现细节

1）所有需要监听消息的类，实现EventListener接口

public interface EventListener
{
    //return true-continue.
    //return false-end.
    bool HandMessage(LOGIC_EVENT_ID iLogicEventID,ref object obj);
}

2）附上上文的XCraft.CtrlScript脚本代码

 

using UnityEngine;
using System.Collections;
using XCraft.HighLevelManager;
using XCraft.Module;
namespace XCraft.CtrlScript
{
    public class GUICtrl : MonoBehaviour ,EventListener{
        private bool m_bShowMenu = false;
        private GameObject m_pGUICanvasObj = null;

        public bool HandMessage(LOGIC_EVENT_ID iLogicEventID, ref object obj)
        {
            switch(iLogicEventID)
            {
            case LOGIC_EVENT_ID.MENU_VISIBLE_CHANGED:
            {
                OnMenuVisibleChanged();
                return true;
            }
            default:
                break;
            }
            return true;
        }

        void OnDestroy() 
        {
            EventDispatchModule.GetSingletonInstance().RemoveEventHandler(LOGIC_EVENT_ID.MENU_VISIBLE_CHANGED,this);
        }

        // Use this for initialization
        void Start () 
        {
            m_pGUICanvasObj = GameObject.Find("Canvas");
            if(m_pGUICanvasObj != null)
            {
                m_pGUICanvasObj.SetActive(false);
            }

            EventDispatchModule.GetSingletonInstance().RegisterEventHandler(LOGIC_EVENT_ID.MENU_VISIBLE_CHANGED,this);
        }
        
        // Update is called once per frame
        void Update () 
        {
            ApplicationManager.GetSingletonInstance().UpdateInstances(Time.deltaTime);

            if(Input.GetKeyDown(KeyCode.Escape))
            {
                m_bShowMenu = !m_bShowMenu;

                EventDispatchModule.SendWrap<bool>(LOGIC_EVENT_ID.MENU_VISIBLE_CHANGED,ref m_bShowMenu);
            }
        }

        private void OnMenuVisibleChanged()
        {
            if(m_bShowMenu == true)
            {
                Debug.Log("Show Menu");
                if(m_pGUICanvasObj != null)
                {
                    m_pGUICanvasObj.SetActive(true);
                }

            }
            else
            {
                Debug.Log("Close Menu");
                if(m_pGUICanvasObj != null)
                {
                    m_pGUICanvasObj.SetActive(false);
                }
            }
        }

        public void Btn_BackToGame()
        {
            m_bShowMenu = false;

            EventDispatchModule.SendWrap<bool>(LOGIC_EVENT_ID.MENU_VISIBLE_CHANGED,ref m_bShowMenu);
        }

        public void Btn_SaveAndReturn()
        {
            Application.LoadLevel("TitleScene");
        }

    }
}
    

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