unity3d 批量修改Texture属性 两种方式加载贴图

批量修改Texture属性

两种方式加载贴图，通过Resources.LoadAll  Directoy   

获取项目路径：Application.dataPath;

using UnityEngine;

using System.Collections;

using UnityEditor;

using System.IO;

public class ModifyTextureType : AssetPostprocessor

{

    private static string PATH = "E:\\tcb\\program\\tcb\\tcbclient\\";

    /// <summary>

    /// 批量修改

    /// </summary>

    [MenuItem("Custom/ModifyTexture/Texture Import Settings")]

    private static void Init()

    {

        LoopSetTexture2();

    }

    /// <summary>

    /// 获取贴图设置

    /// </summary>

    public static TextureImporter GetTextureSettings(string path)

    {

        TextureImporter textureImporter = AssetImporter.GetAtPath(path) as TextureImporter;

        //Texture Type

        textureImporter.textureType = TextureImporterType.Advanced;

        //Non power of2

        textureImporter.npotScale = TextureImporterNPOTScale.ToNearest;

        //PlatformTextureSettings

        textureImporter.SetPlatformTextureSettings("iPhone", 1024, TextureImporterFormat.PVRTC_RGBA4);

        textureImporter.SetPlatformTextureSettings("Android", 1024, TextureImporterFormat.ETC2_RGBA8);

        return textureImporter;

    }

    /// <summary>

    /// 循环设置选择的贴图

    /// </summary>

    private static void LoopSetTexture()

    {

        Object[] textures = GetSelectedTextures();

        foreach (Texture2D texture in textures)

        {

            //获取资源路径

            string path = AssetDatabase.GetAssetPath(texture);

            TextureImporter texImporter = GetTextureSettings(path);

            TextureImporterSettings tis = new TextureImporterSettings();

            texImporter.ReadTextureSettings(tis);

            texImporter.SetTextureSettings(tis);

            AssetDatabase.ImportAsset(path);

        }

    }

    /// <summary>

    /// 获取Resources下的贴图

    /// </summary>

    /// <returns></returns>

    private static Object[] GetSelectedTextures()

    {

        Object[] textureAll;

        var textures = Resources.LoadAll("", typeof(Texture2D));

        int countAll = textures.Length;

        textureAll = new Object[countAll];

        for (int i = 0; i < countAll; i++)

        {

            textureAll[i] = textures[i] as Object;

        }

        return textureAll;

    }

    private static void LoopSetTexture2()

    {

        string[] fileInfo = GetTexturePath();

        int length = fileInfo.Length;

        for (int i = 0; i < length; i++)

        {

            //获取资源路径

            string path = fileInfo[i];

            TextureImporter texImporter = GetTextureSettings(path);

            TextureImporterSettings tis = new TextureImporterSettings();

            texImporter.ReadTextureSettings(tis);

            texImporter.SetTextureSettings(tis);

            AssetDatabase.ImportAsset(path);

        }

    }

    private static string[] GetTexturePath()

    {

        //jpg

        ArrayList jpgList = GetResourcesPath("*.jpg");

        int jpgLength = jpgList.Count;

        //png

        ArrayList pngList = GetResourcesPath("*.png");

        int pngLength = pngList.Count;

        //tga

        ArrayList tgaList = GetResourcesPath("*.tga");

        int tgaLength = tgaList.Count;

        string[] filePath = new string[jpgLength + pngLength + tgaLength];

        for (int i = 0; i < jpgLength; i++)

        {

            filePath[i] = jpgList[i].ToString();

        }

        for (int i = 0; i < pngLength; i++)

        {

            filePath[i + jpgLength] = pngList[i].ToString();

        }

        for (int i = 0; i < tgaLength; i++)

        {

            filePath[i + jpgLength + pngLength] = tgaList[i].ToString();

        }

        return filePath;

    }

    /// <summary>

    /// 获取指定后掇后的文件路径

    /// </summary>

    /// <param name="fileType"></param>

    /// <returns></returns>

    private static ArrayList GetResourcesPath(string fileType)

    {

        DirectoryInfo directoryInfo = new DirectoryInfo(PATH + "Assets\\Resources");

        ArrayList filePath = new ArrayList();

        foreach (FileInfo fi in directoryInfo.GetFiles(fileType, SearchOption.AllDirectories))

        {

            string path = fi.DirectoryName + "\\" + fi.Name;

            path = path.Remove(0, PATH.Length);

            path = path.Replace("\\", "/");

            filePath.Add(path);

        }

        return filePath;

    }

}

http://blog.csdn.net/highning0007/article/details/37991287