private UnityEngine.Object getValue(Rect position, SerializedProperty property, SerializedProperty idProp, SerializedProperty pathProp)
{
UnityEngine.Object obj = null;
if (idProp.intValue > 0)
{
InstanceManager manager = (property.serializedObject.targetObject as Component).gameObject.scene.findInstance <InstanceManager>();
if (manager != null)
{
SavableInstance instance = manager.getInstanceById(idProp.intValue);
if (!string.IsNullOrEmpty(pathProp.stringValue))
{
GameObject child = instance.findChild(pathProp.stringValue);
if (child != null)
{
if (_refType == typeof(GameObject))
{
obj = child;
}
else
{
obj = child.GetComponent(_refType);
}
}
}
else
{
if (_refType == typeof(GameObject))
{
obj = instance.gameObject;
}
else
{
obj = instance.GetComponent(_refType);
}
}
}
else
{
GUI.Box(position, "场景里没有" + nameof(InstanceManager));
obj = null;
}
}
else if (!string.IsNullOrEmpty(pathProp.stringValue))
{
Scene scene = (property.serializedObject.targetObject as Component).gameObject.scene;
GameObject child = scene.findGameObjectAt(pathProp.stringValue);
if (child != null)
{
if (_refType == typeof(GameObject))
{
obj = child;
}
else
{
obj = child.GetComponent(_refType);
}
}
}
return(obj);
}
public InstanceReference(Component component)
{
if (component != null)
{
path = component.gameObject.name;
for (Transform parent = component.gameObject.transform.parent; parent != null; parent = parent.parent)
{
SavableInstance instance = parent.GetComponent <SavableInstance>();
if (instance == null)
{
path = parent.gameObject.name + '/' + path;
}
else
{
id = instance.id;
break;
}
}
}
else
{
id = 0;
path = "";
}
}
public static SavableInstance create(Scene scene, string path, int id)
{
SavableInstance instance = scene.newGameObjectAt(path).AddComponent <SavableInstance>();
instance._id = id;
return(instance);
}
protected void Update()
{
if (manager != null)
{
if (id <= 0)
{
//没有注册，注册ID。
id = manager.allocate(this);
_checked = true;
}
else if (!_checked)
{
//已经注册，没有检查，检查是否实际上丢失了注册。
SavableInstance other = manager.getInstanceById(id);
if (other == null)
{
//有ID但是丢失引用，重新分配引用
manager.reallocate(id, this);
}
else if (other != this)
{
//引用被别人占据了，重新注册
id = manager.allocate(this);
}
}
}
}
public void dellocate(SavableInstance instance)
{
if (instance != null)
{
_data.idPool.Add(instance.id);
int index = _registrations.FindIndex(e => { return(e.id == instance.id); });
if (index > 0)
{
_registrations.RemoveAt(index);
}
}
}
public ILoadableData save()
{
cleanNullRegistrations();
//保存实例
_data.instances = new SavableInstanceData[_registrations.Count];
for (int i = 0; i < _data.instances.Length; i++)
{
SavableInstance instance = _registrations[i].instance;
_data.instances[i] = new SavableInstanceData(instance.id, instance.path);
}
return(_data);
}
private void resetValue(SerializedProperty idProp, SerializedProperty pathProp, UnityEngine.Object obj)
{
if (obj != null)
{
GameObject go = null;
if (obj is GameObject)
{
go = (obj as GameObject);
}
else if (obj is Component)
{
go = (obj as Component).gameObject;
}
else
{
idProp.intValue = 0;
pathProp.stringValue = string.Empty;
return;
}
SavableInstance instance = go.GetComponentInParent <SavableInstance>();
if (instance != null)
{
idProp.intValue = instance.id;
pathProp.stringValue = go.name;
for (Transform parent = go.transform.parent; parent != null; parent = parent.parent)
{
if (parent != instance.transform)
{
pathProp.stringValue = parent.gameObject.name + '/' + pathProp.stringValue;
}
else
{
break;
}
}
}
else
{
idProp.intValue = 0;
pathProp.stringValue = go.name;
for (Transform parent = go.transform.parent; parent != null; parent = parent.parent)
{
pathProp.stringValue = parent.gameObject.name + '/' + pathProp.stringValue;
}
}
}
else
{
idProp.intValue = 0;
pathProp.stringValue = string.Empty;
}
}
public int allocate(SavableInstance instance)
{
int id = 0;
if (_data.idPool.Count > 0)
{
id = _data.idPool[_data.idPool.Count - 1];
_data.idPool.RemoveAt(_data.idPool.Count - 1);
}
else
{
id = _registrations.Count + 1;
}
_registrations.Add(new SavableInstanceRegistration(id, instance));
return(id);
}
/// <summary>
/// 重新分配ID
/// </summary>
/// <param name="id"></param>
/// <param name="instance"></param>
public void reallocate(int id, SavableInstance instance)
{
SavableInstanceRegistration r = _registrations.Find(e => { return(e.id == id); });
if (r != null)
{
r.instance = instance;
}
else
{
if (data.idPool.Remove(id))
{
_registrations.Add(new SavableInstanceRegistration(id, instance));
}
else
{
//从来都没分配过这样的ID，那么你说有就有吧。
_registrations.Add(new SavableInstanceRegistration(id, instance));
}
}
}
public T findInstanceIn <T>(InstanceManager manager)
{
if (id > 0)
{
SavableInstance instance = manager.getInstanceById(id);
if (string.IsNullOrEmpty(path))
{
return(instance.GetComponent <T>());
}
else
{
string[] names = path.Split('/');
Transform child = instance.transform;
for (int i = 0; i < names.Length; i++)
{
child = child.Find(names[i]);
}
if (child != null)
{
return(child.GetComponent <T>());
}
else
{
return(default);
public SavableInstanceRegistration(int id, SavableInstance instance)
{
this.id = id;
this.instance = instance;
}
