施工中 ToLua学习笔记(十一) Example 11 Delegate

ToLua学习笔记(十一) Example 11 Delegate

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ToLua学习笔记十一 Example 11 Delegate
代码

这一周事情有点多~再加上去了一趟日本,今天才能继续开始更新.

这一篇文章主要是通过Example讲解searchpath,require,dofile.

代码

[NoToLuaAttribute]添加后方法不会导出到Wrap中

using UnityEngine;
using System;
using System.Collections.Generic;
using LuaInterface;

public class TestDelegate: MonoBehaviour
{
private string script =
@"
function DoClick1(go)
print('click1 gameObject is '..go.name)
end

function DoClick2(go)
print('click2 gameObject is '..go.name)
end

function AddClick1(listener)
if listener.onClick then
listener.onClick = listener.onClick + DoClick1
else
listener.onClick = DoClick1
end
end

function AddClick2(listener)
if listener.onClick then
listener.onClick = listener.onClick + DoClick2
else
listener.onClick = DoClick2
end
end

function SetClick1(listener)
if listener.onClick then
listener.onClick:Destroy()
end

listener.onClick = DoClick1
end

function RemoveClick1(listener)
if listener.onClick then
listener.onClick = listener.onClick - DoClick1
else
print('empty delegate')
end
end

function RemoveClick2(listener)
if listener.onClick then
listener.onClick = listener.onClick - DoClick2
else
print('empty delegate')
end
end

--测试重载问题
function TestOverride(listener)
listener:SetOnFinished(TestEventListener.OnClick(DoClick1))
listener:SetOnFinished(TestEventListener.VoidDelegate(DoClick2))
end

function TestEvent()
print('this is a event')
end

function AddEvent(listener)
listener.onClickEvent = listener.onClickEvent + TestEvent
end

function RemoveEvent(listener)
listener.onClickEvent = listener.onClickEvent - TestEvent
end
";

LuaState state = null;
TestEventListener listener = null;

LuaFunction SetClick1 = null;
LuaFunction AddClick1 = null;
LuaFunction AddClick2 = null;
LuaFunction RemoveClick1 = null;
LuaFunction RemoveClick2 = null;
LuaFunction TestOverride = null;
LuaFunction RemoveEvent = null;
LuaFunction AddEvent = null;

//需要删除的转LuaFunction为委托，不需要删除的直接加或者等于即可
void Awake()
{
state = new LuaState();
state.Start();
LuaBinder.Bind(state);
Bind(state);

state.LogGC = true;
state.DoString(script);
GameObject go = new GameObject("TestGo");
listener = (TestEventListener)go.AddComponent(typeof(TestEventListener));

SetClick1 = state.GetFunction("SetClick1");
AddClick1 = state.GetFunction("AddClick1");
AddClick2 = state.GetFunction("AddClick2");
RemoveClick1 = state.GetFunction("RemoveClick1");
RemoveClick2 = state.GetFunction("RemoveClick2");
TestOverride = state.GetFunction("TestOverride");
AddEvent = state.GetFunction("AddEvent");
RemoveEvent = state.GetFunction("RemoveEvent");
}

void Bind(LuaState L)
{
L.BeginModule(null);
TestEventListenerWrap.Register(state);
L.EndModule();

DelegateFactory.dict.Add(typeof(TestEventListener.OnClick), TestEventListener_OnClick);
DelegateFactory.dict.Add(typeof(TestEventListener.VoidDelegate), TestEventListener_VoidDelegate);
}

void CallLuaFunction(LuaFunction func)
{
func.BeginPCall();
func.Push(listener);
func.PCall();
func.EndPCall();
}

class TestEventListener_OnClick_Event : LuaDelegate
{
public TestEventListener_OnClick_Event(LuaFunction func) : base(func) { }

public void Call(UnityEngine.GameObject param0)
{
func.BeginPCall();
func.Push(param0);
func.PCall();
func.EndPCall();
}
}
public static Delegate TestEventListener_OnClick(LuaFunction func)
{
if (func == null)
{
TestEventListener.OnClick fn = delegate { };
return fn;
}

TestEventListener.OnClick d = (new TestEventListener_OnClick_Event(func)).Call;
return d;
}

class TestEventListener_VoidDelegate_Event : LuaDelegate
{
public TestEventListener_VoidDelegate_Event(LuaFunction func) : base(func) { }

public void Call(UnityEngine.GameObject param0)
{
func.BeginPCall();
func.Push(param0);
func.PCall();
func.EndPCall();
}
}

public static Delegate TestEventListener_VoidDelegate(LuaFunction func)
{
if (func == null)
{
TestEventListener.VoidDelegate fn = delegate { };
return fn;
}

TestEventListener.VoidDelegate d = (new TestEventListener_VoidDelegate_Event(func)).Call;
return d;
}

void OnGUI()
{
if (GUI.Button(new Rect(10, 10, 120, 40), " = OnClick1"))
{
CallLuaFunction(SetClick1);
}
else if (GUI.Button(new Rect(10, 60, 120, 40), " + Click1"))
{
CallLuaFunction(AddClick1);
}
else if (GUI.Button(new Rect(10, 110, 120, 40), " + Click2"))
{
CallLuaFunction(AddClick2);
}
else if (GUI.Button(new Rect(10, 160, 120, 40), " - Click1"))
{
CallLuaFunction(RemoveClick1);
}
else if (GUI.Button(new Rect(10, 210, 120, 40), " - Click2"))
{
CallLuaFunction(RemoveClick2);
}
else if (GUI.Button(new Rect(10, 260, 120, 40), "+ Click1 in C#"))
{
LuaFunction func = state.GetFunction("DoClick1");
TestEventListener.OnClick onClick = (TestEventListener.OnClick)DelegateFactory.CreateDelegate(typeof(TestEventListener.OnClick), func);
listener.onClick += onClick;
}
else if (GUI.Button(new Rect(10, 310, 120, 40), " - Click1 in C#"))
{
LuaFunction func = state.GetFunction("DoClick1");
listener.onClick = (TestEventListener.OnClick)DelegateFactory.RemoveDelegate(listener.onClick, func);
func.Dispose();
func = null;
}
else if (GUI.Button(new Rect(10, 360, 120, 40), "OnClick"))
{
if (listener.onClick != null)
{
listener.onClick(gameObject);
}
else
{
Debug.Log("empty delegate!!");
}
}
else if (GUI.Button(new Rect(10, 410, 120, 40), "Override"))
{
CallLuaFunction(TestOverride);
}
else if (GUI.Button(new Rect(10, 460, 120, 40), "Force GC"))
{
//自动gc log: collect lua reference name , id xxx in thread
state.LuaGC(LuaGCOptions.LUA_GCCOLLECT, 0);
GC.Collect();
}
else if (GUI.Button(new Rect(10, 510, 120, 40), "event +"))
{
CallLuaFunction(AddEvent);
}
else if (GUI.Button(new Rect(10, 560, 120, 40), "event -"))
{
CallLuaFunction(RemoveEvent);
}
else if (GUI.Button(new Rect(10, 610, 120, 40), "event call"))
{
listener.OnClickEvent(gameObject);
}
}

void Update()
{
state.Collect();
state.CheckTop();
}

void SafeRelease(ref LuaFunction luaRef)
{
if (luaRef != null)
{
luaRef.Dispose();
luaRef = null;
}
}

void OnDestroy()
{
SafeRelease(ref AddClick1);
SafeRelease(ref AddClick2);
SafeRelease(ref RemoveClick1);
SafeRelease(ref RemoveClick2);
SafeRelease(ref SetClick1);
SafeRelease(ref TestOverride);
state.Dispose();
state = null;
}
}