/// <summary>
/// Create an instance of type
/// Works with values, list, array, scriptableObject, string
/// Components are ignored.
///
/// The owner MonoBeahviour is used in case of the creation of a ComponentMonoBehaviour for its internal binding.
/// </summary>
public static object CreateInstance(Type type, UnityEngine.Object owner = null)
{
if (typeof(GameObject).IsAssignableFrom(type))
{
return(null);
}
else if (typeof(ComponentMonoBehaviour).IsAssignableFrom(type) && owner != null && owner is MonoBehaviour)
{
ComponentMonoBehaviour component = ((MonoBehaviour)owner).gameObject.AddComponent(type) as ComponentMonoBehaviour;
component.Owner = owner as MonoBehaviour;
return(component);
}
else if (typeof(ScriptableComponent).IsAssignableFrom(type) && owner != null && owner is ScriptableObject)
{
ScriptableComponent component = ScriptableObject.CreateInstance(type) as ScriptableComponent;
component.Owner = owner as ScriptableObject;
string path = AssetDatabase.GetAssetPath(owner);
if (string.IsNullOrEmpty(path))
{
return(null);
}
AssetDatabase.AddObjectToAsset(component, path);
return(component);
}
else if (typeof(Component).IsAssignableFrom(type))
{
if (owner is GameObject)
{
return(((GameObject)owner).AddComponent(type));
}
return(null);
}
else if (typeof(ScriptableObject).IsAssignableFrom(type))
{
return(null);
}
else if (typeof(UnityEngine.Object).IsAssignableFrom(type))
{
return(null);
}
else if (type.IsArray)
{
return(Array.CreateInstance(type.GetElementType(), 0));
}
else if (type == typeof(string))
{
return("");
}
else
{
return(Activator.CreateInstance(type, true));
}
}
/// <summary>
/// Called when the inspector is about to destroy this one.
/// Loop in all the internal and destroy sub-components.
/// </summary>
public void Erase()
{
foreach (FieldInfo info in GetFields(GetType(), false))
{
object value = info.GetValue(this);
if (value is ComponentMonoBehaviour)
{
ComponentMonoBehaviour component = value as ComponentMonoBehaviour;
if (component.Owner == Owner)
{
component.Erase();
}
}
}
DestroyImmediate(this, true);
}
private static void Validate(GameObject go)
{
ComponentMonoBehaviour[] components = go.GetComponents <ComponentMonoBehaviour>();
for (int i = components.Length - 1; i >= 0; i--)
{
ComponentMonoBehaviour component = components[i];
if (component == null)
{
return;
}
tested.Clear();
component.hideFlags = HideFlags.HideInInspector;
if (component.Owner == null || !component.Owner || !Referenced(component.Owner, component))
{
Debug.Log("Destroying " + component.ToString() + " because it is orphant.");
component.Erase();
continue;
}
}
}
private static ComponentMonoBehaviour CopyComponent(GameObject go, MonoBehaviour owner, ComponentMonoBehaviour original)
{
Type type = original.GetType();
ComponentMonoBehaviour copy = go.AddComponent(original.GetType()) as ComponentMonoBehaviour;
foreach (FieldInfo info in GetFields(type, false))
{
if (info.IsLiteral)
continue;
info.SetValue(copy, CopyObject(go, copy, info.GetValue(original)));
}
copy.Owner = owner;
return copy;
}
private static object DeepCopy(object data, UnityEngine.Object owner)
{
if (!pairs.ContainsKey(owner))
{
pairs.Add(owner, owner);
}
if (data == null || (data is UnityEngine.Object && !((UnityEngine.Object)data)))
{
return(null);
}
if (pairs.ContainsKey(data))
{
return(pairs[data]);
}
Type type = data.GetType();
object copy = null;
if (typeof(ComponentMonoBehaviour).IsAssignableFrom(type))
{
MonoBehaviour parent = owner as MonoBehaviour;
if (parent == null)
{
return(data);
}
ComponentMonoBehaviour component = Clipboard.CreateInstance(type, owner) as ComponentMonoBehaviour;
pairs.Add(data, component);
IterateObject(data, component, parent);
component.Owner = parent;
return(component);
}
else if (typeof(Component).IsAssignableFrom(type) || typeof(GameObject).IsInstanceOfType(type) || type.Namespace == "System")
{
return(data);
}
else if (data is AnimationCurve)
{
AnimationCurve original = data as AnimationCurve;
AnimationCurve animationCopy = new AnimationCurve();
animationCopy.keys = original.keys;
animationCopy.preWrapMode = original.preWrapMode;
animationCopy.postWrapMode = original.postWrapMode;
return(animationCopy);
}
else if (data is string)
{
return(((string)data).Clone());
}
else if (type.IsArray)
{
copy = Array.CreateInstance(type.GetElementType(), ((Array)data).Length);
for (int i = 0; i < ((Array)data).Length; i++)
{
((Array)copy).SetValue(DeepCopy(((Array)data).GetValue(i), owner), i);
}
}
else if (typeof(IList).IsAssignableFrom(type))
{
copy = CreateInstance(type);
foreach (object o in ((IList)data))
{
((IList)copy).Add(DeepCopy(o, owner));
}
}
else if (typeof(IDictionary).IsAssignableFrom(type))
{
copy = CreateInstance(type);
foreach (DictionaryEntry entry in ((IDictionary)data))
{
((IDictionary)copy).Add(DeepCopy(entry.Key, owner), DeepCopy(entry.Value, owner));
}
}
else if (typeof(UnityEngine.Object).IsAssignableFrom(type))
{
copy = (UnityEngine.Object)CreateInstance(type);
if (copy == null)
{
return(data);
}
EditorUtility.CopySerialized((UnityEngine.Object)data, (UnityEngine.Object)copy);
}
else
{
copy = CreateInstance(type);
pairs.Add(data, copy);
IterateObject(data, copy, owner);
}
return(copy);
}
private static bool Referenced(object owner, ComponentMonoBehaviour target)
{
if (owner == null || tested.Contains(owner))
{
return(false);
}
else
{
tested.Add(owner);
}
Type type = owner.GetType();
foreach (FieldInfo info in Clipboard.GetFields(type))
{
if (typeof(UnityEngine.Object).IsAssignableFrom(info.FieldType) && !info.FieldType.IsAssignableFrom(target.GetType()))
{
continue;
}
object value = info.GetValue(owner);
if (typeof(IList).IsAssignableFrom(info.FieldType))
{
IList list = value as IList;
if (list != null)
{
foreach (object item in list)
{
if (ReferenceEquals(item, target))
{
return(true);
}
if (item != null && item.GetType().IsClass&& Referenced(item, target))
{
return(true);
}
}
}
}
else if (typeof(IDictionary).IsAssignableFrom(info.FieldType))
{
IDictionary dictionary = value as IDictionary;
if (dictionary != null)
{
foreach (DictionaryEntry entry in dictionary)
{
if (ReferenceEquals(entry.Key, target))
{
return(true);
}
if (ReferenceEquals(entry.Value, target))
{
return(true);
}
if (entry.Key != null && entry.Key.GetType().IsClass&& Referenced(entry.Key, target))
{
return(true);
}
if (entry.Value != null && entry.Value.GetType().IsClass&& Referenced(entry.Value, target))
{
return(true);
}
}
}
}
else if (info.FieldType.Namespace == "System" || info.FieldType.Namespace == "UnityEngine")
{
continue;
}
else if (info.FieldType.IsAssignableFrom(target.GetType()))
{
if (ReferenceEquals(value, target))
{
return(true);
}
}
else if (info.FieldType.IsClass && Referenced(value, target))
{
return(true);
}
}
return(false);
}
