private bool IsLateAttributeField(object obj, FieldInfo field, out FieldInfo targetField, bool performChecks)
{
targetField = null;
LateAttribute lazyAttribute = Attribute.GetCustomAttribute(field, typeof(LateAttribute)) as LateAttribute;
if (lazyAttribute == null)
{
return(false);
}
string targetIdField = lazyAttribute.TargetIdField ?? (field.Name + (field.FieldType.IsArray ? "Ids" : "Id"));
targetField = obj.GetType().GetField(targetIdField, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
if (targetField == null)
{
throw new UnityException(FormatTargetFieldErrorMessage("does not exist", obj, field, lazyAttribute.TargetIdField));
}
if (performChecks)
{
if (ScanningUtils.IsSerializableArray(field.FieldType))
{
if (!typeof(UnityEngine.Object).IsAssignableFrom(ScanningUtils.GetSerializableArrayType(field.FieldType)))
{
throw new UnityException(FormatLateFieldErrorMessage("is not an UnityEngine.Object assignable array", obj, field.Name));
}
if (ScanningUtils.GetSerializableArrayType(targetField.FieldType) != typeof(string))
{
throw new UnityException(FormatTargetFieldErrorMessage("is not a string array", obj, field, targetIdField));
}
}
else
{
if (!typeof(UnityEngine.Object).IsAssignableFrom(field.FieldType))
{
throw new UnityException(FormatLateFieldErrorMessage("is not an UnityEngine.Object assignable", obj, field.Name));
}
if (targetField.FieldType != typeof(string))
{
throw new UnityException(FormatTargetFieldErrorMessage("is not a string", obj, field, targetIdField));
}
}
if (!targetField.IsPublic && Attribute.GetCustomAttribute(targetField, typeof(SerializeField)) == null)
{
throw new UnityException(FormatTargetFieldErrorMessage("is not public or have [SerializeField] attribute", obj, field, lazyAttribute.TargetIdField));
}
if (targetField.IsPublic && Attribute.GetCustomAttribute(targetField, typeof(HideInInspector)) == null)
{
Debug.LogWarning(FormatTargetFieldErrorMessage("is public but don't have the [HideInInspector] attribute, " +
"this field is not meant to be editable by users", obj, field, lazyAttribute.TargetIdField));
}
}
return(true);
}
private bool DetargetLateAttributeField(object obj, FieldInfo field)
{
FieldInfo targetField;
if (IsLateAttributeField(obj, field, out targetField, true))
{
if (ScanningUtils.IsSerializableArray(field.FieldType))
{
IList referencesArray = (IList)field.GetValue(obj);
var idsArray = new string[referencesArray.Count];
for (int i = 0; i < referencesArray.Count; i++)
{
UnityEngine.Object val = (UnityEngine.Object)referencesArray[i];
idsArray[i] = AssetId.FromObject(val);
referencesArray[i] = null;
}
targetField.SetValue(obj, (object)idsArray);
}
else
{
UnityEngine.Object val = (UnityEngine.Object)field.GetValue(obj);
targetField.SetValue(obj, (object)AssetId.FromObject(val));
field.SetValue(obj, null);
}
return(true);
}
return(false);
}
private bool RetargetLateAttributeField(object obj, FieldInfo field)
{
FieldInfo targetField;
if (IsLateAttributeField(obj, field, out targetField, false))
{
if (ScanningUtils.IsSerializableArray(field.FieldType))
{
IList idsArray = (IList)targetField.GetValue(obj);
UnityEngine.Object[] referencesArray = (UnityEngine.Object[])Activator.CreateInstance(field.FieldType, new object[] { idsArray.Count });
for (int i = 0; i < idsArray.Count; i++)
{
referencesArray[i] = AssetId.FromId((string)idsArray[i], ScanningUtils.GetSerializableArrayType(field.FieldType));
}
field.SetValue(obj, (object)referencesArray);
#if !DEBUG_KEEP_IDS
targetField.SetValue(obj, null);
#endif
}
else
{
#if !KEEP_BROKEN_LINKS
string val = (string)targetField.GetValue(obj);
field.SetValue(obj, (object)AssetId.FromId(val, field.FieldType));
#endif
#if !DEBUG_KEEP_IDS
targetField.SetValue(obj, null);
#endif
}
return(true);
}
return(false);
}