using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class EventCenter
{
private static Dictionary<EventDefine, Delegate> m_EventTable = new Dictionary<EventDefine, Delegate>();
private static void OnListenerAdding(EventDefine eventType, Delegate callBack)
{
if (!m_EventTable.ContainsKey(eventType))
{
m_EventTable.Add(eventType, null);
}
Delegate d = m_EventTable[eventType];
if (d != null && d.GetType() != callBack.GetType())
{
throw new Exception(string.Format("尝试为事件{0}添加不同类型的委托,当前事件所对应的委托是{1},要添加的委托类型为{2}", eventType, d.GetType(), callBack.GetType()));
}
}
private static void OnListenerRemoving(EventDefine eventType, Delegate callBack)
{
if (m_EventTable.ContainsKey(eventType))
{
Delegate d = m_EventTable[eventType];
if (d == null)
{
throw new Exception(string.Format("移除监听错误:事件{0}没有对应的委托", eventType));
}
else if (d.GetType() != callBack.GetType())
{
throw new Exception(string.Format("移除监听错误:尝试为事件{0}移除不同类型的委托,当前委托类型为{1},要移除的委托类型为{2}", eventType, d.GetType(), callBack.GetType()));
}
}
else
{
throw new Exception(string.Format("移除监听错误:没有事件码{0}", eventType));
}
}
private static void OnListenerRemoved(EventDefine eventType)
{
if (m_EventTable[eventType] == null)
{
m_EventTable.Remove(eventType);
}
}
//no parameters
public static void AddListener(EventDefine eventType, CallBack callBack)
{
OnListenerAdding(eventType, callBack);
m_EventTable[eventType] = (CallBack)m_EventTable[eventType] + callBack;
}
//Single parameters
public static void AddListener<T>(EventDefine eventType, CallBack<T> callBack)
{
OnListenerAdding(eventType, callBack);
m_EventTable[eventType] = (CallBack<T>)m_EventTable[eventType] + callBack;
}
//two parameters
public static void AddListener<T, X>(EventDefine eventType, CallBack<T, X> callBack)
{
OnListenerAdding(eventType, callBack);
m_EventTable[eventType] = (CallBack<T, X>)m_EventTable[eventType] + callBack;
}
//three parameters
public static void AddListener<T, X, Y>(EventDefine eventType, CallBack<T, X, Y> callBack)
{
OnListenerAdding(eventType, callBack);
m_EventTable[eventType] = (CallBack<T, X, Y>)m_EventTable[eventType] + callBack;
}
//four parameters
public static void AddListener<T, X, Y, Z>(EventDefine eventType, CallBack<T, X, Y, Z> callBack)
{
OnListenerAdding(eventType, callBack);
m_EventTable[eventType] = (CallBack<T, X, Y, Z>)m_EventTable[eventType] + callBack;
}
//five parameters
public static void AddListener<T, X, Y, Z, W>(EventDefine eventType, CallBack<T, X, Y, Z, W> callBack)
{
OnListenerAdding(eventType, callBack);
m_EventTable[eventType] = (CallBack<T, X, Y, Z, W>)m_EventTable[eventType] + callBack;
}
//no parameters
public static void RemoveListener(EventDefine eventType, CallBack callBack)
{
OnListenerRemoving(eventType, callBack);
m_EventTable[eventType] = (CallBack)m_EventTable[eventType] - callBack;
OnListenerRemoved(eventType);
}
//single parameters
public static void RemoveListener<T>(EventDefine eventType, CallBack<T> callBack)
{
OnListenerRemoving(eventType, callBack);
m_EventTable[eventType] = (CallBack<T>)m_EventTable[eventType] - callBack;
OnListenerRemoved(eventType);
}
//two parameters
public static void RemoveListener<T, X>(EventDefine eventType, CallBack<T, X> callBack)
{
OnListenerRemoving(eventType, callBack);
m_EventTable[eventType] = (CallBack<T, X>)m_EventTable[eventType] - callBack;
OnListenerRemoved(eventType);
}
//three parameters
public static void RemoveListener<T, X, Y>(EventDefine eventType, CallBack<T, X, Y> callBack)
{
OnListenerRemoving(eventType, callBack);
m_EventTable[eventType] = (CallBack<T, X, Y>)m_EventTable[eventType] - callBack;
OnListenerRemoved(eventType);
}
//four parameters
public static void RemoveListener<T, X, Y, Z>(EventDefine eventType, CallBack<T, X, Y, Z> callBack)
{
OnListenerRemoving(eventType, callBack);
m_EventTable[eventType] = (CallBack<T, X, Y, Z>)m_EventTable[eventType] - callBack;
OnListenerRemoved(eventType);
}
//five parameters
public static void RemoveListener<T, X, Y, Z, W>(EventDefine eventType, CallBack<T, X, Y, Z, W> callBack)
{
OnListenerRemoving(eventType, callBack);
m_EventTable[eventType] = (CallBack<T, X, Y, Z, W>)m_EventTable[eventType] - callBack;
OnListenerRemoved(eventType);
}
//no parameters
public static void Broadcast(EventDefine eventType)
{
Delegate d;
if (m_EventTable.TryGetValue(eventType, out d))
{
CallBack callBack = d as CallBack;
if (callBack != null)
{
callBack();
}
else
{
throw new Exception(string.Format("广播事件错误:事件{0}对应委托具有不同的类型", eventType));
}
}
}
//single parameters
public static void Broadcast<T>(EventDefine eventType, T arg)
{
Delegate d;
if (m_EventTable.TryGetValue(eventType, out d))
{
CallBack<T> callBack = d as CallBack<T>;
if (callBack != null)
{
callBack(arg);
}
else
{
throw new Exception(string.Format("广播事件错误:事件{0}对应委托具有不同的类型", eventType));
}
}
}
//two parameters
public static void Broadcast<T, X>(EventDefine eventType, T arg1, X arg2)
{
Delegate d;
if (m_EventTable.TryGetValue(eventType, out d))
{
CallBack<T, X> callBack = d as CallBack<T, X>;
if (callBack != null)
{
callBack(arg1, arg2);
}
else
{
throw new Exception(string.Format("广播事件错误:事件{0}对应委托具有不同的类型", eventType));
}
}
}
//three parameters
public static void Broadcast<T, X, Y>(EventDefine eventType, T arg1, X arg2, Y arg3)
{
Delegate d;
if (m_EventTable.TryGetValue(eventType, out d))
{
CallBack<T, X, Y> callBack = d as CallBack<T, X, Y>;
if (callBack != null)
{
callBack(arg1, arg2, arg3);
}
else
{
throw new Exception(string.Format("广播事件错误:事件{0}对应委托具有不同的类型", eventType));
}
}
}
//four parameters
public static void Broadcast<T, X, Y, Z>(EventDefine eventType, T arg1, X arg2, Y arg3, Z arg4)
{
Delegate d;
if (m_EventTable.TryGetValue(eventType, out d))
{
CallBack<T, X, Y, Z> callBack = d as CallBack<T, X, Y, Z>;
if (callBack != null)
{
callBack(arg1, arg2, arg3, arg4);
}
else
{
throw new Exception(string.Format("广播事件错误:事件{0}对应委托具有不同的类型", eventType));
}
}
}
//five parameters
public static void Broadcast<T, X, Y, Z, W>(EventDefine eventType, T arg1, X arg2, Y arg3, Z arg4, W arg5)
{
Delegate d;
if (m_EventTable.TryGetValue(eventType, out d))
{
CallBack<T, X, Y, Z, W> callBack = d as CallBack<T, X, Y, Z, W>;
if (callBack != null)
{
callBack(arg1, arg2, arg3, arg4, arg5);
}
else
{
throw new Exception(string.Format("广播事件错误:事件{0}对应委托具有不同的类型", eventType));
}
}
}
}