制作一个承载想法的东西（三）——一些管理类和工具类

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首先来看一下，一些常用的管理类方法写成了一个简单的方法，方便调用，从这里出发就可以看到出现了两个管理类了，一个是EventManager管理类，负责的是减少脚本文件之间的相互引用也能相互传递信息。还有一个就是TriggerManager管理类，这个是负责一些Unity事件的触发和注册，比如点击、滑动等等。

local TriggerManager = require("Manager.TriggerManager")
local EventManager = require("Manager.EventManager")
function handler(target,func)
    return function(...)
        return func(target,...)
    end
end

function registTrigger(go,type,handler)
    TriggerManager:GetInstance():RegistEvent(go,type,handler)
end

function callTrigger(go,type,eventData)
    TriggerManager:GetInstance():CallEvent(go,type,eventData)
end

function registEvent(key,handler)
    return EventManager:GetInstance():RegistEvent(key,handler)
end

function callEvent(key,...)
    EventManager:GetInstance():CallEvent(key,...)
end

function removeEvent(key,handler)
    EventManager:GetInstance():RemoveEvent(key,handler)
end

local TriggerManager = require("Manager.TriggerManager")

local EventManager = require("Manager.EventManager")

function handler(target,func)

return function(...)

return func(target,...)

end

function registTrigger(go,type,handler)

TriggerManager:GetInstance():RegistEvent(go,type,handler)

end

function callTrigger(go,type,eventData)

TriggerManager:GetInstance():CallEvent(go,type,eventData)

end

function registEvent(key,handler)

return EventManager:GetInstance():RegistEvent(key,handler)

end

function callEvent(key,...)

EventManager:GetInstance():CallEvent(key,...)

end

function removeEvent(key,handler)

EventManager:GetInstance():RemoveEvent(key,handler)

end

先来看看EventManager吧，在需要接受其他类传递的信息时就可以注册一个事件，在别的类触发这个事件就可以了，比较简单就不多说了，直接看代码吧

--事件管理器，中心机制，完成类与类之间的交互解耦
local EventManager = class("Manager.EventManager")

function EventManager:ctor()
    self.events = {}
end

function EventManager:GetInstance()
    if self.instance == nil then
        self.instance = EventManager:new()
    end
    return self.instance
end

function EventManager:RegistEvent(key,handler)
    if not self.events[key] then
        self.events[key] = {}
    end
    table.insert(self.events[key],handler)
    return handler
end

function EventManager:CallEvent(key,...)
    local eves = self.events[key]
    if eves then
        for i,v in ipairs(eves) do
            v(...)
        end
    end
end

function EventManager:RemoveEvent(key,handler)
    local eves = self.events[key]
    if eves then
        for i,v in ipairs(eves) do
            if v == handler then
                table.remove(eves,i)
                return true
            end
        end
    end
end

return EventManager

--事件管理器，中心机制，完成类与类之间的交互解耦

local EventManager = class("Manager.EventManager")

function EventManager:ctor()

self.events = {}

end

function EventManager:GetInstance()

if self.instance == nil then

self.instance = EventManager:new()

end

return self.instance

end

function EventManager:RegistEvent(key,handler)

if not self.events[key] then

self.events[key] = {}

end

table.insert(self.events[key],handler)

return handler

end

function EventManager:CallEvent(key,...)

local eves = self.events[key]

if eves then

for i,v in ipairs(eves) do

v(...)

end

function EventManager:RemoveEvent(key,handler)

local eves = self.events[key]

if eves then

for i,v in ipairs(eves) do

if v == handler then

table.remove(eves,i)

return true

end

return EventManager

再来看看TriggerManager吧，说到这个就要将Unity那边的工具类EventTriggerListener了还有lua这边的工具类UtilityManager了，说起来好乱了，稍微整理一下流程吧。首先在场景中已经可以获取到UI的物体了，但是还不知道怎么触发点击等交互事件，此时Unity那边就需要一个监听这些事件了，那这个工具脚本EventTriggerListener就诞生了，对应的lua这边就需要TriggerManager就负责把那个c#脚本挂载到物体上，并记录打开事件开关，完成事件的监听了。好了，此时EventTriggerListener就可以触发相应的事件方法了，那么需要把事件的调用转移到lua虚拟机这边来，所以需要提供一个lua方法给c#那边，没错，那就是callTrigger方法了，他是通过工具类UtilityManager初始化方法中传递过去了。

EventTriggerListener在事件触发的时候会调用Main里面的InvokeEventCall，传递触发的物体和事件类型及触发参数过去。

public class EventTriggerListener : EventTrigger
{
    public int hashCode;
    public GameObject go;
    private Dictionary<string,bool> events = new Dictionary<string, bool>();

    public static EventTriggerListener Get(GameObject go)
    {
        EventTriggerListener listener = go.GetComponent<EventTriggerListener>();
        if (listener == null) listener = go.AddComponent<EventTriggerListener>();
        listener.go = go;
        listener.hashCode = go.GetHashCode();
        return listener;
    }

    public void RegistEvent(string eve)
    {
        events.Add(eve, true);
    }

    public void RemoveEvent(string eve)
    {
        if(CheckEvent(eve))
            events.Remove(eve);
    }

    private bool CheckEvent(string key)
    {
        if (events.ContainsKey(key)) return true;
        return false;
    }

    public override void OnPointerEnter(PointerEventData eventData)
    {
        if (CheckEvent("OnPointerEnter")) Main.Instance.InvokeEventCall(go, "OnPointerEnter", eventData);
    }

    public override void OnPointerExit(PointerEventData eventData)
    {
        if (CheckEvent("OnPointerExit")) Main.Instance.InvokeEventCall(go, "OnPointerExit", eventData);
    }

    public override void OnPointerDown(PointerEventData eventData)
    {
        if (CheckEvent("OnPointerDown")) Main.Instance.InvokeEventCall(go, "OnPointerDown", eventData);
    }

    public override void OnPointerUp(PointerEventData eventData)
    {
        if (CheckEvent("OnPointerUp")) Main.Instance.InvokeEventCall(go, "OnPointerUp", eventData);
    }

    public override void OnPointerClick(PointerEventData eventData)
    {
        if (CheckEvent("OnPointerClick")) Main.Instance.InvokeEventCall(go, "OnPointerClick", eventData);
    }

    public override void OnInitializePotentialDrag(PointerEventData eventData)
    {
        if (CheckEvent("OnInitializePotentialDrag")) Main.Instance.InvokeEventCall(go, "OnInitializePotentialDrag", eventData);
    }

    public override void OnBeginDrag(PointerEventData eventData)
    {
        if (CheckEvent("OnBeginDrag")) Main.Instance.InvokeEventCall(go, "OnBeginDrag", eventData);
    }

    public override void OnDrag(PointerEventData eventData)
    {
        if (CheckEvent("OnDrag")) Main.Instance.InvokeEventCall(go, "OnDrag", eventData);
    }

    public override void OnEndDrag(PointerEventData eventData)
    {
        if (CheckEvent("OnEndDrag")) Main.Instance.InvokeEventCall(go, "OnEndDrag", eventData);
    }

    public override void OnDrop(PointerEventData eventData)
    {
        if (CheckEvent("OnDrop")) Main.Instance.InvokeEventCall(go, "OnDrop", eventData);
    }

    public override void OnScroll(PointerEventData eventData)
    {
        if (CheckEvent("OnScroll")) Main.Instance.InvokeEventCall(go, "OnScroll", eventData);
    }

    public override void OnUpdateSelected(BaseEventData eventData)
    {
        if (CheckEvent("OnUpdateSelected")) Main.Instance.InvokeEventCall(go, "OnUpdateSelected", eventData);
    }

    public override void OnSelect(BaseEventData eventData)
    {
        if (CheckEvent("OnSelect")) Main.Instance.InvokeEventCall(go, "OnSelect", eventData);
    }

    public override void OnDeselect(BaseEventData eventData)
    {
        if (CheckEvent("OnDeselect")) Main.Instance.InvokeEventCall(go, "OnDeselect", eventData);
    }

    public override void OnMove(AxisEventData eventData)
    {
        if (CheckEvent("OnMove")) Main.Instance.InvokeEventCall(go, "OnMove", eventData);
    }

    public override void OnSubmit(BaseEventData eventData)
    {
        if (CheckEvent("OnSubmit")) Main.Instance.InvokeEventCall(go, "OnSubmit", eventData);
    }

    public override void OnCancel(BaseEventData eventData)
    {
        if (CheckEvent("OnCancel")) Main.Instance.InvokeEventCall(go, "OnCancel", eventData); ;
    }
}

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public class EventTriggerListener : EventTrigger

{

public int hashCode;

public GameObject go;

private Dictionary<string,bool> events = new Dictionary<string, bool>();

public static EventTriggerListener Get(GameObject go)

{

EventTriggerListener listener = go.GetComponent<EventTriggerListener>();

if (listener == null) listener = go.AddComponent<EventTriggerListener>();

listener.go = go;

listener.hashCode = go.GetHashCode();

return listener;

}

public void RegistEvent(string eve)

{

events.Add(eve, true);

}

public void RemoveEvent(string eve)

{

if(CheckEvent(eve))

events.Remove(eve);

}

private bool CheckEvent(string key)

{

if (events.ContainsKey(key)) return true;

return false;

}

public override void OnPointerEnter(PointerEventData eventData)

{

if (CheckEvent("OnPointerEnter")) Main.Instance.InvokeEventCall(go, "OnPointerEnter", eventData);

}

public override void OnPointerExit(PointerEventData eventData)

{

if (CheckEvent("OnPointerExit")) Main.Instance.InvokeEventCall(go, "OnPointerExit", eventData);

}

public override void OnPointerDown(PointerEventData eventData)

{

if (CheckEvent("OnPointerDown")) Main.Instance.InvokeEventCall(go, "OnPointerDown", eventData);

}

public override void OnPointerUp(PointerEventData eventData)

{

if (CheckEvent("OnPointerUp")) Main.Instance.InvokeEventCall(go, "OnPointerUp", eventData);

}

public override void OnPointerClick(PointerEventData eventData)

{

if (CheckEvent("OnPointerClick")) Main.Instance.InvokeEventCall(go, "OnPointerClick", eventData);

}

public override void OnInitializePotentialDrag(PointerEventData eventData)

{

if (CheckEvent("OnInitializePotentialDrag")) Main.Instance.InvokeEventCall(go, "OnInitializePotentialDrag", eventData);

}

public override void OnBeginDrag(PointerEventData eventData)

{

if (CheckEvent("OnBeginDrag")) Main.Instance.InvokeEventCall(go, "OnBeginDrag", eventData);

}

public override void OnDrag(PointerEventData eventData)

{

if (CheckEvent("OnDrag")) Main.Instance.InvokeEventCall(go, "OnDrag", eventData);

}

public override void OnEndDrag(PointerEventData eventData)

{

if (CheckEvent("OnEndDrag")) Main.Instance.InvokeEventCall(go, "OnEndDrag", eventData);

}

public override void OnDrop(PointerEventData eventData)

{

if (CheckEvent("OnDrop")) Main.Instance.InvokeEventCall(go, "OnDrop", eventData);

}

public override void OnScroll(PointerEventData eventData)

{

if (CheckEvent("OnScroll")) Main.Instance.InvokeEventCall(go, "OnScroll", eventData);

}

public override void OnUpdateSelected(BaseEventData eventData)

{

if (CheckEvent("OnUpdateSelected")) Main.Instance.InvokeEventCall(go, "OnUpdateSelected", eventData);

}

public override void OnSelect(BaseEventData eventData)

{

if (CheckEvent("OnSelect")) Main.Instance.InvokeEventCall(go, "OnSelect", eventData);

}

public override void OnDeselect(BaseEventData eventData)

{

if (CheckEvent("OnDeselect")) Main.Instance.InvokeEventCall(go, "OnDeselect", eventData);

}

public override void OnMove(AxisEventData eventData)

{

if (CheckEvent("OnMove")) Main.Instance.InvokeEventCall(go, "OnMove", eventData);

}

public override void OnSubmit(BaseEventData eventData)

{

if (CheckEvent("OnSubmit")) Main.Instance.InvokeEventCall(go, "OnSubmit", eventData);

}

public override void OnCancel(BaseEventData eventData)

{

if (CheckEvent("OnCancel")) Main.Instance.InvokeEventCall(go, "OnCancel", eventData); ;

}

InvokeEventCall调用的是通过RegisterEventCall传递过来的lua方法，这里还有一个方法是将byte数据保存为文件的，这里直接提及了。

using UnityEngine;
using LuaInterface;
using System;
using System.IO;

public class Main : MonoBehaviour
{

    public LuaState luaState = null;
    public static Main Instance = null;
    private LuaFunction onEventCall = null;
    private LuaLooper loop = null;

    private bool useRemoteRes = false;

    private void Awake()
    {
        Main.Instance = this;
        InitLuaEvn();
    }

    public void RegistEventCall(LuaFunction func)
    {
        this.onEventCall = func;
    }

    public void InvokeEventCall(GameObject go,string type,object o)
    {
        if (this.onEventCall != null)
        {
            this.onEventCall.BeginPCall();
            this.onEventCall.Push(go);
            this.onEventCall.Push(type);
            this.onEventCall.Push(o);
            this.onEventCall.PCall();
            this.onEventCall.EndPCall();
        }
    }
    
    public void SaveDownLoadData(string path,byte[] datas)
    {
        string s = path.Substring(0, path.LastIndexOf('/'));
        DirectoryInfo directoryInfo = new DirectoryInfo(s);
        if(!directoryInfo.Exists)
            Directory.CreateDirectory(s);

        FileInfo file = new FileInfo(@path);
        Stream sw;
        sw = file.Create(); //全部重下

        sw.Write(datas, 0, datas.Length);
        sw.Flush();
        sw.Close();
        sw.Dispose();
    }
}

using UnityEngine;

using LuaInterface;

using System;

using System.IO;

public class Main : MonoBehaviour

{

public LuaState luaState = null;

public static Main Instance = null;

private LuaFunction onEventCall = null;

private LuaLooper loop = null;

private bool useRemoteRes = false;

private void Awake()

{

Main.Instance = this;

InitLuaEvn();

}

public void RegistEventCall(LuaFunction func)

{

this.onEventCall = func;

}

public void InvokeEventCall(GameObject go,string type,object o)

{

if (this.onEventCall != null)

{

this.onEventCall.BeginPCall();

this.onEventCall.Push(go);

this.onEventCall.Push(type);

this.onEventCall.Push(o);

this.onEventCall.PCall();

this.onEventCall.EndPCall();

}

public void SaveDownLoadData(string path,byte[] datas)

{

string s = path.Substring(0, path.LastIndexOf('/'));

DirectoryInfo directoryInfo = new DirectoryInfo(s);

if(!directoryInfo.Exists)

Directory.CreateDirectory(s);

FileInfo file = new FileInfo(@path);

Stream sw;

sw = file.Create(); //全部重下

sw.Write(datas, 0, datas.Length);

sw.Flush();

sw.Close();

sw.Dispose();

}

可以看到注册到那边的lua方法就是callTrigger方法了，它实际调用的就是TriggerManager里面的方法了。同样的这里也提供了调用c#Main保存byte数据的方法。

--管理与c# Main 相关的东西
local UtilityManager = class("Manager.UtilityManager")

function UtilityManager:GetInstance()
    if self.instance == nil then
        self.instance = UtilityManager:new()
    end
    return self.instance
end

function UtilityManager:Init()
    Main.Instance:RegistEventCall(callTrigger)
end

function UtilityManager:SaveDownLoadData(savePath,saveData)
    Main.Instance:SaveDownLoadData(savePath,saveData)
end

function UtilityManager:GetUseRemoteRes()
    return useRemoteRes
end

return UtilityManager

--管理与c# Main 相关的东西

local UtilityManager = class("Manager.UtilityManager")

function UtilityManager:GetInstance()

if self.instance == nil then

self.instance = UtilityManager:new()

end

return self.instance

end

function UtilityManager:Init()

Main.Instance:RegistEventCall(callTrigger)

end

function UtilityManager:SaveDownLoadData(savePath,saveData)

Main.Instance:SaveDownLoadData(savePath,saveData)

end

function UtilityManager:GetUseRemoteRes()

return useRemoteRes

end

return UtilityManager

这个管理器干活最多的了，其他的也只是传递传递信息而已，这里在注册事件的时候会为注册事件的物体添加EventTriggerListerer组件，并打开事件开关，同时保存了事件的回调方法，在事件触发的时候，通过传回来的物体和事件类型辨别找到相应的回调并调用

--对标c#的 EventTriggerListener 管理交互事件的集合 并区别调用
--因为常用 所以写成全局的调用方法在 functions 里面 所以一般不引用
local TriggerManager = class("Manager.TriggerManager")
local EventTriggerListener = EventTriggerListener

function TriggerManager:ctor()
    self.triggerEvents = {}
end

function TriggerManager:GetInstance()
    if self.instance == nil then
        self.instance = TriggerManager:new()
    end
    return self.instance
end

function TriggerManager:RegistEvent(go,type,handler)
    local trigger = EventTriggerListener.Get(go)
    local hashCode = go:GetHashCode()
    if not self.triggerEvents[hashCode] then self.triggerEvents[hashCode] = {} end
    local event = {}
    event.type = type
    event.handler = handler
    self.triggerEvents[hashCode][type] = event
    trigger:RegistEvent(type)
end

function TriggerManager:RemoveEvent(go,type)
    local trigger = EventTriggerListener.Get(btn)
    local hashCode = go:GetHashCode()
    local events = self.triggerEvents[hashCode]

    if events and events[type] then
        events[type] = nil
    end

    trigger:RemoveEvent(type)
end

function TriggerManager:CallEvent(go,type,eventData)
    local code = go:GetHashCode()
    local events = self.triggerEvents[code]
    if events then
        local event = events[type]
        if event and event.handler then
            event.handler(go,eventData)
        end
    end
end

return TriggerManager

--对标c#的 EventTriggerListener 管理交互事件的集合并区别调用

--因为常用所以写成全局的调用方法在 functions 里面所以一般不引用

local TriggerManager = class("Manager.TriggerManager")

local EventTriggerListener = EventTriggerListener

function TriggerManager:ctor()

self.triggerEvents = {}

end

function TriggerManager:GetInstance()

if self.instance == nil then

self.instance = TriggerManager:new()

end

return self.instance

end

function TriggerManager:RegistEvent(go,type,handler)

local trigger = EventTriggerListener.Get(go)

local hashCode = go:GetHashCode()

if not self.triggerEvents[hashCode] then self.triggerEvents[hashCode] = {} end

local event = {}

event.type = type

event.handler = handler

self.triggerEvents[hashCode][type] = event

trigger:RegistEvent(type)

end

function TriggerManager:RemoveEvent(go,type)

local trigger = EventTriggerListener.Get(btn)

local hashCode = go:GetHashCode()

local events = self.triggerEvents[hashCode]

if events and events[type] then

events[type] = nil

end

trigger:RemoveEvent(type)

end

function TriggerManager:CallEvent(go,type,eventData)

local code = go:GetHashCode()

local events = self.triggerEvents[code]

if events then

local event = events[type]

if event and event.handler then

event.handler(go,eventData)

end

return TriggerManager

好了，写完了，有点乱，其实确实是很容易的东西，这里只是展示说明一下，后面的文章遇到这些也不好说这些东西，直接这里看看，后面遇到就不懵逼了。

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