Unity 使方法以按钮的形式在Inspector上-Toy模板网

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先看结果

using UnityEngine;

public class Test : MonoBehaviour
{
    [InspectorButton("测试方法1")]
    public void Test1()
    {
        Debug.Log("Test1 Invoke!");
    }

    [InspectorButton]
    public int Test2()
    {
        Debug.Log("Test2 Invoke!");
        return 100;
    }
}

Unity 使方法以按钮的形式在Inspector上

目录结构（置于非Editor文件夹中）

Unity 使方法以按钮的形式在Inspector上

InspectorButtonAttribute.cs

using UnityEngine;

[System.AttributeUsage(System.AttributeTargets.Method)]
public class InspectorButtonAttribute : PropertyAttribute
{
    public readonly string Name;

    public InspectorButtonAttribute()
    {
    }

    public InspectorButtonAttribute(string name)
    {
        Name = name;
    }
}

InspectorButton.cs

using System;
using System.Collections;
using System.Linq;
using System.Reflection;
using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(MonoBehaviour), true)]
[CanEditMultipleObjects]
public class InspectorButton : Editor
{
    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();

        var mono = target as MonoBehaviour;
        if (mono == null)
            return;

        var methods = mono.GetType()
            .GetMethods(
                BindingFlags.Public | BindingFlags.NonPublic |
                BindingFlags.Instance | BindingFlags.Static
            ).Where(method =>
                Attribute.IsDefined(method, typeof(InspectorButtonAttribute))
            ).ToArray();

        foreach (var method in methods)
        {
            var attr = method.GetCustomAttribute<InspectorButtonAttribute>();
            DrawButton(method, attr.Name);
        }
    }

    private void DrawButton(MethodInfo methodInfo, string methodName)
    {
        if (string.IsNullOrEmpty(methodName))
            methodName = methodInfo.Name;

        EditorGUILayout.BeginHorizontal();

        if (GUILayout.Button(
            methodName,
            GUILayout.ExpandWidth(true)
        ))
        {
            foreach (var targetObj in targets)
            {
                var mono = targetObj as MonoBehaviour;
                if (mono == null)
                    continue;

                var val = methodInfo.Invoke(mono, new object[] { });
                if (val is IEnumerator coroutine)
                    mono.StartCoroutine(coroutine);
                else if (val != null)
                    Debug.Log($"{methodName}调用结果: {val}");
            }
        }

        EditorGUILayout.EndHorizontal();
    }
}

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