144 lines
4.7 KiB
C#
144 lines
4.7 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using DG.Tweening;
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using UnityEngine;
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using UnityEngine.UI;
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namespace AibisDream.Framework
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{
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[AttributeUsage(AttributeTargets.Field, AllowMultiple = false)]
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public class FindComponentAttribute : Attribute
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{
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public readonly string goName;
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public readonly bool getChild;
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/// <summary>
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/// 查找游戏物体组件的特性
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/// </summary>
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/// <param name="goName">游戏物体名字</param>
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/// <param name="getChild">
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/// true => 查找对应名字对象的下一级子物体 通常名字为父物体名字 类型为子物体
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/// false => 查找对应名字的对象 通常会将类型和名字对应</param>
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public FindComponentAttribute(string goName = null, bool getChild = false)
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{
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this.goName = goName;
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this.getChild = getChild;
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}
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}
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[AttributeUsage(AttributeTargets.Field, AllowMultiple = false)]
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public class FindComponentsInChildrenAttribute : Attribute
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{
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/// 空类
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/// 直接获取下层所有组件
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}
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public static class UnityTool
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{
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/// <summary>
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/// 查找所有带标记的组件
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/// 与FindComponent特性配合使用
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/// </summary>
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public static void FindComponents(this Component mono)
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{
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Dictionary<Type, Component[]> dic = new();
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var flags = BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance;
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foreach (var field in mono.GetType().GetFields(flags))
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{
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Attribute attribute = GetFindCompAttribute(field);
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if (attribute == null) continue;
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Type type = field.FieldType;
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var components = GetComponentsByType(mono, type, dic);
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switch (attribute)
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{
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case FindComponentAttribute componentAttribute:
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HandleFindComponent(mono, field, components, componentAttribute);
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break;
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case FindComponentsInChildrenAttribute:
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HandleFindComponentsInChildren(mono, field, components);
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break;
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}
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}
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}
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private static Attribute GetFindCompAttribute(FieldInfo field)
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{
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var attr1 = field.GetCustomAttribute<FindComponentAttribute>();
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if (attr1 != null)
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{
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return attr1;
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}
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var attr2 = field.GetCustomAttribute<FindComponentsInChildrenAttribute>();
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return attr2;
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}
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private static void HandleFindComponent(Component mono, FieldInfo field, Component[] components,
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FindComponentAttribute attribute)
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{
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if (string.IsNullOrEmpty(attribute.goName))
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{
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field.SetValue(mono, components[0]);
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return;
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}
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if (attribute.getChild)
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{
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foreach (var component in components)
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{
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if (component.transform.parent.name == attribute.goName)
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{
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field.SetValue(mono, component);
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break;
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}
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}
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}
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else
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{
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foreach (var component in components)
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{
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if (component.name != attribute.goName) continue;
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field.SetValue(mono, component);
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break;
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}
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}
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}
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private static void HandleFindComponentsInChildren(Component mono, FieldInfo field, Component[] components)
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{
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field.SetValue(mono, components);
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}
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private static Component[] GetComponentsByType(Component mono, Type type, Dictionary<Type, Component[]> dic)
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{
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if (dic.TryGetValue(type, out var components)) return components;
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if (type.IsArray)
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{
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type = type.GetElementType();
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}
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var selfComponent = mono.GetComponent(type);
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var childrenComponents = mono.GetComponentsInChildren(type, true);
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components = selfComponent != null
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? new[] { selfComponent }.Concat(childrenComponents).ToArray()
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: childrenComponents;
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if (components == null || components.Length == 0)
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{
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#if UNITY_EDITOR
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Debug.Log($"无法找到{type}对象");
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#endif
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return null;
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}
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dic.Add(type, components);
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return components;
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}
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}
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} |