Unity的OnOpenAsset实用案例深入解析

using UnityEditor;
using UnityEngine;
public class MyEditor : Editor
{
    [UnityEditor.Callbacks.OnOpenAsset]
    public static bool OnOpenAsset(int instanceID, int lineNumber)
    {
        // 获取资源路径
        string assetPath = AssetDatabase.GetAssetPath(instanceID);
        // 判断资源类型
        if (assetPath.EndsWith(".txt"))
        {
            // 打开文本编辑器
            TextAsset asset = AssetDatabase.LoadAssetAtPath<TextAsset>(assetPath);
            UnityEditorInternal.InternalEditorUtility.OpenFileAtLineExternal(assetPath, lineNumber);
            return true;
        }
        // 返回false表示不处理该资源
        return false;
    }
}

using UnityEditor;
using UnityEngine;
public class SceneOpener : Editor
{
    [UnityEditor.Callbacks.OnOpenAsset]
    public static bool OnOpenAsset(int instanceID, int lineNumber)
    {
        // 获取资源路径
        string assetPath = AssetDatabase.GetAssetPath(instanceID);
        // 判断资源类型
        if (assetPath.EndsWith(".unity"))
        {
            // 打开场景文件
            EditorSceneManager.OpenScene(assetPath);
            return true;
        }
        // 返回false表示不处理该资源
        return false;
    }
}

using UnityEditor;
using UnityEngine;
public class ScriptOpener : Editor
{
    [UnityEditor.Callbacks.OnOpenAsset]
    public static bool OnOpenAsset(int instanceID, int lineNumber)
    {
        // 获取资源路径
        string assetPath = AssetDatabase.GetAssetPath(instanceID);
        // 判断资源类型
        if (assetPath.EndsWith(".cs"))
        {
            // 打开脚本文件
            MonoScript script = AssetDatabase.LoadAssetAtPath<MonoScript>(assetPath);
            AssetDatabase.OpenAsset(script);
            return true;
        }
        // 返回false表示不处理该资源
        return false;
    }
}

using UnityEditor;
using UnityEngine;
public class TextureOpener : Editor
{
    [UnityEditor.Callbacks.OnOpenAsset]
    public static bool OnOpenAsset(int instanceID, int lineNumber)
    {
        // 获取资源路径
        string assetPath = AssetDatabase.GetAssetPath(instanceID);
        // 判断资源类型
        if (assetPath.EndsWith(".png") || assetPath.EndsWith(".jpg"))
        {
            // 打开纹理文件
            Texture2D texture = AssetDatabase.LoadAssetAtPath<Texture2D>(assetPath);
            AssetDatabase.OpenAsset(texture);
            return true;
        }
        // 返回false表示不处理该资源
        return false;
    }
}