static bool FixupDelete(object obj, WeakRefField field, string src)
{
bool deleted = false;
foreach (var weakRefs in field.container.weakRefs)
{
var wref = (WeakAssetRef)weakRefs.GetValue(obj);
if (wref != null)
{
if (wref.InspectorConditionalAssetDeleted(src))
{
deleted = true;
}
}
}
// descend into other container fields.
foreach (var subField in field.subFields)
{
var val = subField.field.GetValue(obj);
if (val != null)
{
deleted = FixupDelete(val, subField, src) || deleted;
}
}
return(deleted);
}
static void Descend(Type type, HashSet <Type> inspected, Dictionary <Type, WeakRefContainer> containers, WeakRefField outer, FieldInfo outerField)
{
if (type.IsAbstract)
{
return;
}
if ((outer != null) && typeof(UnityEngine.Object).IsAssignableFrom(type))
{
// don't descend into member fields that point to unity objects
// if they are assets they will be dealt with as root level
// types
return;
}
var field = new WeakRefField();
field.field = outerField;
if (!inspected.Add(type))
{
if (containers.TryGetValue(type, out field.container))
{
if (outer != null)
{
outer.subFields.Add(field);
}
}
return;
}
field.container = new WeakRefContainer();
for (var innerType = type; (innerType != null) && (innerType != typeof(object)); innerType = innerType.BaseType)
{
var fields = innerType.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
foreach (var f in fields)
{
if (typeof(WeakAssetRef).IsAssignableFrom(f.FieldType))
{
field.container.weakRefs.Add(f);
}
else
{
Descend(f.FieldType, inspected, containers, field, f);
}
}
}
if ((field.container.weakRefs.Count > 0) || (field.subFields.Count > 0))
{
if (field.container.weakRefs.Count > 0)
{
containers.Add(type, field.container);
}
if (outer != null)
{
outer.subFields.Add(field);
}
else
{
_classes.Add(type, field);
}
}
}