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 UnityEn

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\\";
    ///
    /// 批量修改
    ///
    [MenuItem("Custom/ModifyTexture/Texture Import Settings")]
    private static void Init()
    {
        LoopSetTexture2();
    }
    ///
    /// 获取贴图设置
    ///
    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;
    }
    ///
    /// 循环设置选择的贴图
    ///
    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);
        }
    }
    ///
    /// 获取Resources下的贴图
    ///
    ///
    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;
    }
    ///
    /// 获取指定后掇后的文件路径
    ///
    ///
    ///
    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;
    }
}

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