// extracts the data of all listeners of the event.
public static IEnumerable <ListenerData> GetListenerData(UnityEventBase ev, SerializedProperty eventProp)
{
int numListeners = ev.GetPersistentEventCount();
for (int i = 0; i < numListeners; i++)
{
Object target = ev.GetPersistentTarget(i);
string method = ev.GetPersistentMethodName(i);
ListenerCallArgument methodArg = GetEventArgumentObject(eventProp, i);
yield return(new ListenerData()
{
target = target,
method = method,
argument = methodArg
});
}
}
// Unity's API does not provide access to event arguments. this is a workaround
public static ListenerCallArgument GetEventArgumentObject(SerializedProperty eventProp, int index)
{
var argument = new ListenerCallArgument();
var persCallsProp = eventProp.FindPropertyRelative("m_PersistentCalls");
var callsProp = persCallsProp.FindPropertyRelative("m_Calls");
var callProp = callsProp.GetArrayElementAtIndex(index);
var callArgProp = callProp.FindPropertyRelative("m_Arguments");
var modeProp = callProp.FindPropertyRelative("m_Mode");
argument.mode = (PersistentListenerMode)modeProp.enumValueIndex;
switch (argument.mode)
{
case PersistentListenerMode.Object:
var objectArgProp = callArgProp.FindPropertyRelative("m_ObjectArgument");
argument.objValue = objectArgProp.objectReferenceValue;
//var objectArgTypeName = callArgProp.FindPropertyRelative( "m_ObjectArgumentAssemblyTypeName" );
break;
case PersistentListenerMode.Int:
argument.intValue = callArgProp.FindPropertyRelative("m_IntArgument").intValue;
break;
case PersistentListenerMode.Float:
argument.floatValue = callArgProp.FindPropertyRelative("m_FloatArgument").floatValue;
break;
case PersistentListenerMode.Bool:
argument.boolValue = callArgProp.FindPropertyRelative("m_BoolArgument").boolValue;
break;
case PersistentListenerMode.String:
argument.stringValue = callArgProp.FindPropertyRelative("m_StringArgument").stringValue;
break;
case PersistentListenerMode.Void:
case PersistentListenerMode.EventDefined:
// do nothing
break;
default:
throw new System.Exception("unhandled mode: " + argument.mode);
}
return(argument);
}
// Unity's API does not provide access to event arguments. this is a workaround
public static ListenerCallArgument GetEventArgumentObject( SerializedProperty eventProp, int index )
{
var argument = new ListenerCallArgument();
var persCallsProp = eventProp.FindPropertyRelative( "m_PersistentCalls" );
var callsProp = persCallsProp.FindPropertyRelative( "m_Calls" );
var callProp = callsProp.GetArrayElementAtIndex( index );
var callArgProp = callProp.FindPropertyRelative( "m_Arguments" );
var modeProp = callProp.FindPropertyRelative( "m_Mode" );
argument.mode = (PersistentListenerMode) modeProp.enumValueIndex;
switch ( argument.mode )
{
case PersistentListenerMode.Object:
var objectArgProp = callArgProp.FindPropertyRelative( "m_ObjectArgument" );
argument.objValue = objectArgProp.objectReferenceValue;
//var objectArgTypeName = callArgProp.FindPropertyRelative( "m_ObjectArgumentAssemblyTypeName" );
break;
case PersistentListenerMode.Int:
argument.intValue = callArgProp.FindPropertyRelative( "m_IntArgument" ).intValue;
break;
case PersistentListenerMode.Float:
argument.floatValue = callArgProp.FindPropertyRelative( "m_FloatArgument" ).floatValue;
break;
case PersistentListenerMode.Bool:
argument.boolValue = callArgProp.FindPropertyRelative( "m_BoolArgument" ).boolValue;
break;
case PersistentListenerMode.String:
argument.stringValue = callArgProp.FindPropertyRelative( "m_StringArgument" ).stringValue;
break;
case PersistentListenerMode.Void:
case PersistentListenerMode.EventDefined:
// do nothing
break;
default:
throw new System.Exception( "unhandled mode: " + argument.mode );
}
return argument;
}