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using UnityEngine;
using UnityEditor;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Reflection;
using UniToolsEditor;
namespace AdvancedInspector
{
public class ObjectEditor : FieldEditor
{
private static Texture picker;
private static Texture pickerPro;
private static Texture Picker
{
get
{
if (EditorGUIUtility.isProSkin)
{
if (pickerPro == null)
pickerPro = Helper.Load(EditorResources.PickerPro);
return pickerPro;
}
else
{
if (picker == null)
picker = Helper.Load(EditorResources.Picker);
return picker;
}
}
}
private static int s_ObjectFieldHash = "s_ObjectFieldHash".GetHashCode();
private static Type validator = null;
private static MethodInfo doObjectField = null;
public override bool EditDerived
{
get { return true; }
}
public override Type[] EditedTypes
{
get { return new Type[] { typeof(UnityEngine.Object) }; }
}
public override void Draw(InspectorField field, GUIStyle style)
{
if (field.GetAttribute<NoPicker>() != null)
{
object obj = field.GetValue();
if (field.Mixed)
GUILayout.Label("---");
else if (obj == null)
GUILayout.Label("None");
else if (field.OverloadToString)
GUILayout.Label(obj.ToString());
else if (field.Type != null)
GUILayout.Label(field.Type.Name);
return;
}
if (field.DisplayAsParent)
return;
if (validator == null)
validator = typeof(EditorGUI).GetNestedType("ObjectFieldValidator", BindingFlags.NonPublic);
if (doObjectField == null)
doObjectField = typeof(EditorGUI).GetMethod("DoObjectField", BindingFlags.NonPublic | BindingFlags.Static, null, new Type[] { typeof(Rect), typeof(Rect), typeof(int),
typeof(UnityEngine.Object), typeof(Type), typeof(SerializedProperty), validator, typeof(bool), typeof(GUIStyle) }, null);
DontAllowSceneObjectAttribute dontAllow = field.GetAttribute<DontAllowSceneObjectAttribute>(); ;
UnityEngine.Object value = (UnityEngine.Object)GetValue(field);
EditorGUILayout.BeginHorizontal();
EditorGUI.BeginChangeCheck();
Type type = field.Type;
UnityEngine.Object result = null;
if (type.IsInterface)
{
Rect position = EditorGUILayout.GetControlRect(false, 16f);
int id = GUIUtility.GetControlID(s_ObjectFieldHash, EditorGUIUtility.native, position);
Delegate validation = Delegate.CreateDelegate(validator, typeof(ObjectEditor).GetMethod("ValidateObjectFieldAssignment", BindingFlags.NonPublic | BindingFlags.Static));
result = doObjectField.Invoke(null, new object[] { position, position, id, value, type, null, validation, dontAllow == null, EditorStyles.objectField } ) as UnityEngine.Object;
}
else
result = EditorGUILayout.ObjectField(value, type, dontAllow == null);
if (EditorGUI.EndChangeCheck())
field.SetValue(result);
if (dontAllow == null && (field.Type == typeof(GameObject) ||
typeof(Component).IsAssignableFrom(field.Type) || field.Type.IsAssignableFrom(typeof(Component))))
if (GUILayout.Button(Picker, GUIStyle.none, GUILayout.Width(18), GUILayout.Height(18)))
InspectorEditor.StartPicking(Picked, field);
EditorGUILayout.EndHorizontal();
DrawObjectSelector(field);
}
private static UnityEngine.Object ValidateObjectFieldAssignment(UnityEngine.Object[] references, Type objType, SerializedProperty property)
{
if (references.Length > 0)
{
if (((references[0] != null) && (references[0].GetType() == typeof(GameObject))))
{
foreach (UnityEngine.Object obj in ((GameObject)references[0]).GetComponents(typeof(Component)))
{
if ((obj != null) && objType.IsAssignableFrom(obj.GetType()))
{
return obj;
}
}
}
}
return null;
}
private void Picked(GameObject go, object tag)
{
InspectorField field = tag as InspectorField;
if (field == null)
return;
if (field.Type == typeof(GameObject))
field.SetValue(go);
else if (typeof(Component).IsAssignableFrom(field.Type))
field.SetValue(go.GetComponent(field.Type));
}
public override void OnLabelDoubleClick(InspectorField field)
{
UnityEngine.Object target = field.GetValue() as UnityEngine.Object;
if (target == null)
return;
if (!string.IsNullOrEmpty(AssetDatabase.GetAssetPath(target)))
EditorGUIUtility.PingObject(target);
else
{
SceneView view = SceneView.lastActiveSceneView;
Quaternion rotation = view.camera.transform.rotation;
if (target is GameObject)
SceneView.lastActiveSceneView.LookAt(((GameObject)target).transform.position, rotation, 10);
else if (target is Component)
SceneView.lastActiveSceneView.LookAt(((Component)target).transform.position, rotation, 10);
}
}
private void DrawObjectSelector(InspectorField field)
{
MonoBehaviour behaviour = field.GetValue() as MonoBehaviour;
if (behaviour == null)
return;
List<Component> components = new List<Component>(behaviour.gameObject.GetComponents(field.BaseType));
if (components.Count == 1)
return;
int index = components.IndexOf(behaviour);
string[] texts = new string[components.Count];
for (int i = 0; i < components.Count; i++)
texts[i] = i.ToString() + " : " + components[i].ToString();
EditorGUILayout.BeginHorizontal();
int selection = EditorGUILayout.Popup(index, texts);
EditorGUILayout.EndHorizontal();
if (selection == index)
return;
field.SetValue(components[selection]);
}
}
}
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