/// <summary>将序列化的UnityEvent转化为委托链</summary>
internal static Delegate[] ConvertDelegateList(UnityEvent unityEvent)
{
int eventCount = unityEvent.GetPersistentEventCount();
Delegate[] delegateList = new Delegate[eventCount];
for (int i = 0; i < eventCount; i++)
{
UnityEngine.Object target = unityEvent.GetPersistentTarget(i);
string methodName = unityEvent.GetPersistentMethodName(i);
View view = target as View;
if (view == null)
{
throw new CoreException(string.Format("[ViewBaseEventHandler.ConvertDelegateList]Target object : {0} is not a Core.View component", target.name));
}
MethodInfo viewMethodInfo = view.GetType().GetMethod(methodName, BindingFlags.Public | BindingFlags.Instance, null, Type.EmptyTypes, null);
if (viewMethodInfo == null)
{
throw new CoreException(string.Format("[ViewBaseEventHandler.ConvertDelegateList]NotImplemented viewEvent method : {0} in {1}", methodName, view.GetType().Name));
}
ImplementedInControllerAttribute attributeInfo = viewMethodInfo.GetCustomAttribute(typeof(ImplementedInControllerAttribute)) as ImplementedInControllerAttribute;
if (attributeInfo == null)
{
throw new CoreException(string.Format("[ViewBaseEventHandler.ConvertDelegateList]The viewEvent method : {0} in {1} doesn't has ImplementedInControllerAttribute", viewMethodInfo.Name, view.GetType().Name));
}
Controller controller = view.GetController();
MethodInfo methodInfo = controller.GetType().GetMethod(attributeInfo.IsCustomMethodName ? attributeInfo.MethodName : methodName, BindingFlags.Public | BindingFlags.Instance, null, Type.EmptyTypes, null);
if (methodInfo == null)
{
throw new CoreException(string.Format("[ViewBaseEventHandler.ConvertDelegateList]NotImplemented viewEvent method : {0} in {1}", attributeInfo.MethodName, controller.GetType().Name));
}
Delegate action = methodInfo.CreateDelegate(typeof(Action), controller);
delegateList[i] = action;
}
return(delegateList);
}
internal static Delegate[] ConvertDelegateList <TParameter>(UnityEvent <TParameter> unityEvent)
{
int eventCount = unityEvent.GetPersistentEventCount();
Delegate[] delegateList = new Delegate[eventCount];
for (int i = 0; i < eventCount; i++)
{
UnityEngine.Object target = unityEvent.GetPersistentTarget(i);
string methodName = unityEvent.GetPersistentMethodName(i);
View view = target as View;
if (view == null)
{
throw new CoreException(string.Format("[ViewBaseEventHandler.ConvertDelegateList]Target object : {0} is not a Core.View component", target.name));
}
Controller controller = view.GetController();
MethodInfo methodInfo = controller.GetType().GetMethod(methodName, BindingFlags.Public | BindingFlags.Instance);
if (methodInfo == null)
{
throw new CoreException(string.Format("[ViewBaseEventHandler.ConvertDelegateList]NotImplemented viewEvent method : {0} in {1}", methodInfo.Name, controller.GetType().Name));
}
ParameterInfo[] parameterInfos = methodInfo.GetParameters();
if (parameterInfos.Length != 1 || parameterInfos[0].ParameterType != typeof(TParameter)) //只有一个对应类型参
{
throw new CoreException(string.Format("[ViewBaseEventHandler.ConvertDelegateList]The illegal method : {0}.{1} its parameter is not match the Type : {2}", controller.GetType().Name, methodInfo.Name, typeof(TParameter).Name));
}
if (methodInfo.ReturnType != typeof(void)) //无返回值
{
throw new CoreException(string.Format("[ViewBaseEventHandler.ConvertDelegateList]The illegal method : {0}.{1} It's not supported to return value", controller.GetType().Name, methodInfo.Name));
}
Delegate action = methodInfo.CreateDelegate(typeof(Action <TParameter>), controller);
delegateList[i] = action;
}
return(delegateList);
}