protected virtual KeyValuePair <Object, AutoBindFieldInfo> getGenInfoFromFieldInfo(FieldInfo field)
{
if (field.FieldType != typeof(GameObject) &&//不是GameObject
!field.FieldType.IsSubclassOf(typeof(Component)) //也不是组件
)
{
return(default(KeyValuePair <Object, AutoBindFieldInfo>));
}
AutoCompoAttribute autoCompoAttr = field.getAttribute <AutoCompoAttribute>();
if (autoCompoAttr != null)
{
//先用InstanceID找
GameObject gameObject = findGameObjectByInstanceID(_gameObject, autoCompoAttr.instanceID);
if (gameObject != null)
{
if (field.FieldType != typeof(GameObject))
{
Component component = gameObject.GetComponent(field.FieldType);
if (component != null)
{
return(new KeyValuePair <Object, AutoBindFieldInfo>(component, new AutoBindFieldInfo(autoCompoAttr.instanceID, autoCompoAttr.path, field.FieldType, null, field.Name)));
}
return(default(KeyValuePair <Object, AutoBindFieldInfo>));
}
return(new KeyValuePair <Object, AutoBindFieldInfo>(gameObject, new AutoBindFieldInfo(autoCompoAttr.instanceID, autoCompoAttr.path, field.FieldType, null, field.Name)));
}
//再用路径找
if (!string.IsNullOrEmpty(autoCompoAttr.path))
{
Transform transform = _gameObject.transform.Find(autoCompoAttr.path);
if (transform != null)
{
gameObject = transform.gameObject;
if (field.FieldType != typeof(GameObject))
{
Component component = gameObject.GetComponent(field.FieldType);
if (component != null)
{
return(new KeyValuePair <Object, AutoBindFieldInfo>(component, new AutoBindFieldInfo(autoCompoAttr.instanceID, autoCompoAttr.path, field.FieldType, null, field.Name)));
}
return(default(KeyValuePair <Object, AutoBindFieldInfo>));
}
return(new KeyValuePair <Object, AutoBindFieldInfo>(gameObject, new AutoBindFieldInfo(autoCompoAttr.instanceID, autoCompoAttr.path, field.FieldType, null, field.Name)));
}
}
//存在但是损失的数据
return(new KeyValuePair <Object, AutoBindFieldInfo>(null, new AutoBindFieldInfo(autoCompoAttr.instanceID, autoCompoAttr.path, field.FieldType, null, field.Name)));
}
else
{
Component autoComponent = _gameObject.GetComponent(_type);
if (autoComponent == null)
{
return(default(KeyValuePair <Object, AutoBindFieldInfo>));
}
foreach (MonoScript autoScript in _autoScripts)
{
if (autoScript.text.Contains(field.FieldType.Name + " " + field.Name))
{
//在自动生成的代码中存在字段声明，查找对应的属性
foreach (var property in _type.GetProperties())
{
//类型与名字相同则认为是对应属性
if (property.PropertyType != field.FieldType || !field.Name.Equals("_" + property.Name, StringComparison.CurrentCultureIgnoreCase))
{
continue;
}
Object obj = null;
try
{
obj = property.GetValue(autoComponent, new object[0]) as Object;
}
catch (Exception e)
{
//存在对应属性，但是对应属性获取不到对应值了
Debug.LogError("获取字段" + field.Name + "对应的值时发生异常：" + e);
return(new KeyValuePair <Object, AutoBindFieldInfo>(null, new AutoBindFieldInfo(true, null, field.FieldType, null, field.Name)));
}
if (obj == null)
{
//存在对应属性，但是对应属性获取不到对应值了
return(new KeyValuePair <Object, AutoBindFieldInfo>(null, new AutoBindFieldInfo(true, null, field.FieldType, null, field.Name)));
}
if (obj is GameObject)
{
GameObject gameObject = obj as GameObject;
return(new KeyValuePair <Object, AutoBindFieldInfo>(gameObject,
new AutoBindFieldInfo(true, _gameObject.transform.getChildPath(gameObject.transform), typeof(GameObject), null, field.Name)));
}
else if (obj is Component)
{
Component component = obj as Component;
return(new KeyValuePair <Object, AutoBindFieldInfo>(component,
new AutoBindFieldInfo(true, _gameObject.transform.getChildPath(component.transform), field.FieldType, null, field.Name)));
}
}
}
}
return(default(KeyValuePair <Object, AutoBindFieldInfo>));
}
//return default(KeyValuePair<Object, AutoBindFieldInfo>);
}
/// <summary>
/// 尝试查找当前生成物体上已经存在的自动生成脚本。
/// </summary>
/// <param name="gameObject"></param>
/// <param name="script"></param>
/// <param name="willBeOverride"></param>
/// <returns></returns>
protected virtual bool tryFindExistScript(GameObject gameObject, out MonoScript script, out bool willBeOverride)
{
//对所有脚本进行筛选
var scripts = AssetDatabase.FindAssets("t:MonoScript")
.Select(g => AssetDatabase.GUIDToAssetPath(g))
.Select(p => AssetDatabase.LoadAssetAtPath <MonoScript>(p))
.Where(s => s != null);
List <MonoScript> scriptList = new List <MonoScript>();
foreach (var s in scripts)
{
//不是MonoBehaviour则跳过
Type type = s.GetClass();
if (type == null)
{
continue;
}
AutoCompoAttribute autoCompo = type.getAttribute <AutoCompoAttribute>();
int instanceID = gameObject.GetInstanceID();
if (autoCompo != null && autoCompo.instanceID == instanceID)
{
//如果脚本上有AutoCompo特性说明它是该物体的脚本，则返回这个脚本
script = s;
willBeOverride = false;
return(true);
}
if ((type.IsSubclassOf(typeof(MonoBehaviour)) || type.IsSubclassOf(typeof(Component))) &&//如果这个脚本是组件
gameObject.GetComponent(type) != null //并且在当前物体上存在这个脚本的实例
)
{
//先添加到列表中，随后选出最适合作为目标脚本的脚本
scriptList.Add(s);
}
}
if (scriptList.Count < 1)
{
//不存在符合的脚本
script = null;
willBeOverride = false;
return(false);
}
else if (scriptList.Count > 1)
{
//存在超过一个脚本，先查找其中自动生成的脚本
MonoScript autoGenScript = scriptList.FirstOrDefault(s => s.text.Contains("<auto-generated>"));
if (autoGenScript == null)
{
//不存在自动生成的脚本
script = null;
willBeOverride = false;
return(false);
}
//获取自动生成的类型，优先选择其中不是自动生成的脚本
Type type = autoGenScript.GetClass();
script = null;
foreach (var s in scriptList)
{
Type t = s.GetClass();
if (t == type && !s.text.Contains("<auto-generated>"))
{
script = s;
break;
}
}
if (script == null)
{
//全是自动生成的，则返回第一个
script = scriptList[0];
}
willBeOverride = true;
return(true);
}
else
{
//只有一个脚本，如果是自动生成的则返回这个脚本
script = scriptList[0];
if (script.text.Contains("<auto-generated>"))
{
willBeOverride = true;
return(true);
}
else
{
script = null;
willBeOverride = false;
return(false);
}
}
}