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77 lines
2.5 KiB
77 lines
2.5 KiB
4 years ago
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using UnityEngine;
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using System;
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#if UNITY_EDITOR
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using UnityEditor;
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using System.Reflection;
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using System.Collections.Generic;
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#endif
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/// <summary>
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/// 重命名属性
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/// </summary>
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[AttributeUsage(AttributeTargets.Field)]
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public class RenameAttribute : PropertyAttribute
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{
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public string name;
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public RenameAttribute(string name)
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{
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this.name = name;
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}
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}
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#if UNITY_EDITOR
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//重命名属性绘制器
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[CustomPropertyDrawer(typeof(RenameAttribute))]
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public class RenameDrawer : PropertyDrawer
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{
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
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{
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//替换属性名称
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RenameAttribute rename = (RenameAttribute)attribute;
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label.text = rename.name;
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//重绘GUI
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SerializedPropertyType type = property.propertyType;
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if (type == SerializedPropertyType.Enum)
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{
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redrawEnums(position, property, label);
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}
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else
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{
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EditorGUI.PropertyField(position, property, label);
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}
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}
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//枚举类型键值
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Dictionary<string, string> map = new Dictionary<string, string>();
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//重绘枚举类型
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private void redrawEnums(Rect position, SerializedProperty property, GUIContent label)
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{
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EditorGUI.BeginChangeCheck();
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string[] names = property.enumNames;
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//获取所有标记rename的属性
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object[] attrs = fieldInfo.GetCustomAttributes(typeof(RenameAttribute), false);
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for (int i = 0; i < attrs.Length; i++)
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{
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Type field = fieldInfo.FieldType;
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//循环所有枚举名称
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for (int j = 0; j < names.Length; j++)
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{
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//不重复记录键值
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string name = names[j];
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if (map.ContainsKey(name)) continue;
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//属性为null 继续
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FieldInfo info = field.GetField(name);
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if (info == null) continue;
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//记录枚举键值
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RenameAttribute[] enumValues = (RenameAttribute[])info.GetCustomAttributes(typeof(RenameAttribute), false);
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string value = enumValues[0].name;
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map.Add(name, value);
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}
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}
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//重绘GUI
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List<string> list = new List<string>(map.Values);
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string[] values = list.ToArray();
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int index = EditorGUI.Popup(position, label.text, property.enumValueIndex, values);
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if (EditorGUI.EndChangeCheck() && index != -1) property.enumValueIndex = index;
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}
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}
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#endif
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