private static bool TryFindAssetReferencesAsGameObject(Object unityObject, HashSet <Object> searchedAsset,
ReferenceDictionary dictionary)
{
var gameObject = unityObject as GameObject;
if (gameObject == null)
{
return(false);
}
dictionary.AddReference(gameObject);
var prefabStatus = PrefabUtility.GetPrefabInstanceStatus(gameObject);
if (prefabStatus == PrefabInstanceStatus.Connected)
{
var prefabRoot = PrefabUtility.GetNearestPrefabInstanceRoot(gameObject);
if (prefabRoot == gameObject)
{
var prefabPath = PrefabUtility.GetPrefabAssetPathOfNearestInstanceRoot(gameObject);
var prefab = AssetDatabase.LoadAssetAtPath <GameObject>(prefabPath);
dictionary.AddReference(gameObject, prefab);
FindAssetReferencesRecursive(prefab, searchedAsset, dictionary);
}
}
foreach (var component in gameObject.GetComponents <Component>())
{
FindAssetReferencesRecursive(component, searchedAsset, dictionary);
}
return(true);
}
private static void FindSerializedObjectReferenceRecursive(Object unityObject, HashSet <Object> searchedAsset, ReferenceDictionary dictionary)
{
var serializedObject = new SerializedObject(unityObject);
var iterator = serializedObject.GetIterator();
while (iterator.NextVisible(true))
{
var property = iterator;
if (property.propertyType != SerializedPropertyType.ObjectReference)
{
continue;
}
var referredAsset = property.objectReferenceValue;
if (referredAsset == null)
{
continue;
}
dictionary.AddReference(unityObject, referredAsset);
FindAssetReferencesRecursive(referredAsset, searchedAsset, dictionary);
}
}
private UnityObjectReferenceChain(IEnumerable <Object> objects)
{
var hashSet = new HashSet <Object>();
var dictionary = new ReferenceDictionary();
foreach (var @object in objects)
{
dictionary.AddReference(@object);
FindAssetReferencesRecursive(@object, hashSet, dictionary);
}
Result = dictionary.CreateReadonlyDictionary();
}
private static void FindMaterialReferenceRecursive(Material material, ReferenceDictionary dictionary)
{
if (material.shader == null)
{
return;
}
//設定中のシェーダーに存在するプロパティの取得
var count = ShaderUtil.GetPropertyCount(material.shader);
var propertyNames = new string[count];
for (int i = 0; i < count; i++)
{
string propName = ShaderUtil.GetPropertyName(material.shader, i);
propertyNames[i] = propName;
}
var serializedObject = new SerializedObject(material);
var texturesProperty = serializedObject.FindProperty("m_SavedProperties.m_TexEnvs");
for (int i = 0; i < texturesProperty.arraySize; i++)
{
var textureContainerProperty = texturesProperty.GetArrayElementAtIndex(i);
var textureName = textureContainerProperty.FindPropertyRelative("first").stringValue;
// シェーダーに存在するテクスチャ指定プロパティ以外は無視
if (!propertyNames.Contains(textureName))
{
continue;
}
var texture = textureContainerProperty.FindPropertyRelative("second.m_Texture").objectReferenceValue;
if (texture == null)
{
continue;
}
dictionary.AddReference(material, texture);
}
}
