批量处理Unity中的图片资源

发表于2018-04-19
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每种资源导入都有相应的 Importer 来处理,图片使用的是 TextureImporter,下面就和大家介绍下在unity中批量处理图片资源的代码。

代码如下:
using UnityEngine;
using UnityEditor;
// /////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Batch Texture import settings modifier.
//
// Modifies all selected textures in the project window and applies the requested modification on the 
// textures. Idea was to have the same choices for multiple files as you would have if you open the 
// import settings of a single texture. Put this into Assets/Editor and once compiled by Unity you find
// the new functionality in Custom -> Texture. Enjoy! :-)
// 
// Based on the great work of benblo in this thread: 
// http://forum.unity3d.com/viewtopic.php?t=16079&start=0&postdays=0&postorder=asc&highlight=textureimporter
// 
// Developed by Martin Schultz, Decane in August 2009
// e-mail: ms@decane.net
//
// Updated for Unity 3.0 by col000r in August 2010
// http://col000r.blogspot.com
//
// /////////////////////////////////////////////////////////////////////////////////////////////////////////
public class ChangeTextureImportSettingsUnity3 : ScriptableObject
{
    [MenuItem("Custom/Texture/Normal Format")]
    static void NormalFormat()
    {
        ChangeTextureFormat_AutoTruecolor ();
        ChangeMipMap_Off ();
        SelectedChangeMaxTextureSize (1024);
    }
    [MenuItem("Custom/Texture/Change Texture Format/Auto Compressed")]
    static void ChangeTextureFormat_AutoCompressed()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.AutomaticCompressed);
    }
    [MenuItem("Custom/Texture/Change Texture Format/Auto 16bit")]
    static void ChangeTextureFormat_Auto16Bit()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.Automatic16bit);
    }
    [MenuItem("Custom/Texture/Change Texture Format/Auto Truecolor")]
    static void ChangeTextureFormat_AutoTruecolor()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.AutomaticTruecolor);
    }
    [MenuItem("Custom/Texture/Change Texture Format/RGB Compressed DXT1")]
    static void ChangeTextureFormat_RGB_DXT1()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.DXT1);
    }
    [MenuItem("Custom/Texture/Change Texture Format/RGB Compressed DXT5")]
    static void ChangeTextureFormat_RGB_DXT5()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.DXT5);
    }
    [MenuItem("Custom/Texture/Change Texture Format/RGB 16 bit")]
    static void ChangeTextureFormat_RGB_16bit()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.RGB16);
    }
    [MenuItem("Custom/Texture/Change Texture Format/RGB 24 bit")]
    static void ChangeTextureFormat_RGB_24bit()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.RGB24);
    }
    [MenuItem("Custom/Texture/Change Texture Format/Alpha 8 bit")]
    static void ChangeTextureFormat_Alpha_8bit()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.Alpha8);
    }
    [MenuItem("Custom/Texture/Change Texture Format/ARGB 16 bit")]
    static void ChangeTextureFormat_RGBA_16bit()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.ARGB16);
    }
    [MenuItem("Custom/Texture/Change Texture Format/RGBA 32 bit")]
    static void ChangeTextureFormat_RGBA_32bit()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.RGBA32);
    }
    [MenuItem("Custom/Texture/Change Texture Format/ARGB 32 bit")]
    static void ChangeTextureFormat_ARGB_32bit()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.ARGB32);
    }
    [MenuItem("Custom/Texture/Change Texture Format/RGB PVRTC 2bit")]
    static void ChangeTextureFormat_RGB_PVRTC_2bit()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.PVRTC_RGB2);
    }
    [MenuItem("Custom/Texture/Change Texture Format/RGBA PVRTC 2bit")]
    static void ChangeTextureFormat_RGBA_PVRTC_2bit()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.PVRTC_RGBA2);
    }
    [MenuItem("Custom/Texture/Change Texture Format/RGB PVRTC 4bit")]
    static void ChangeTextureFormat_RGB_PVRTC_4bit()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.PVRTC_RGB4);
    }
    [MenuItem("Custom/Texture/Change Texture Format/RGBA PVRTC 4bit")]
    static void ChangeTextureFormat_RGBA_PVRTC_4bit()
    {
        SelectedChangeTextureFormatSettings(TextureImporterFormat.PVRTC_RGBA4);
    }
    // ----------------------------------------------------------------------------
    [MenuItem("Custom/Texture/Change Texture Size/Change Max Texture Size/32")]
    static void ChangeTextureSize_32()
    {
        SelectedChangeMaxTextureSize(32);
    }
    [MenuItem("Custom/Texture/Change Texture Size/Change Max Texture Size/64")]
    static void ChangeTextureSize_64()
    {
        SelectedChangeMaxTextureSize(64);
    }
    [MenuItem("Custom/Texture/Change Texture Size/Change Max Texture Size/128")]
    static void ChangeTextureSize_128()
    {
        SelectedChangeMaxTextureSize(128);
    }
    [MenuItem("Custom/Texture/Change Texture Size/Change Max Texture Size/256")]
    static void ChangeTextureSize_256()
    {
        SelectedChangeMaxTextureSize(256);
    }
    [MenuItem("Custom/Texture/Change Texture Size/Change Max Texture Size/512")]
    static void ChangeTextureSize_512()
    {
        SelectedChangeMaxTextureSize(512);
    }
    [MenuItem("Custom/Texture/Change Texture Size/Change Max Texture Size/1024")]
    static void ChangeTextureSize_1024()
    {
        SelectedChangeMaxTextureSize(1024);
    }
    [MenuItem("Custom/Texture/Change Texture Size/Change Max Texture Size/2048")]
    static void ChangeTextureSize_2048()
    {
        SelectedChangeMaxTextureSize(2048);
    }
    // ----------------------------------------------------------------------------
    [MenuItem("Custom/Texture/Change MipMap/Enable MipMap")]
    static void ChangeMipMap_On()
    {
        SelectedChangeMimMap(true);
    }
    [MenuItem("Custom/Texture/Change MipMap/Disable MipMap")]
    static void ChangeMipMap_Off()
    {
        SelectedChangeMimMap(false);
    }
    // ----------------------------------------------------------------------------
    [MenuItem("Custom/Texture/Change Non Power of 2/None")]
    static void ChangeNPOT_None()
    {
        SelectedChangeNonPowerOf2(TextureImporterNPOTScale.None);
    }
    [MenuItem("Custom/Texture/Change Non Power of 2/ToNearest")]
    static void ChangeNPOT_ToNearest()
    {
        SelectedChangeNonPowerOf2(TextureImporterNPOTScale.ToNearest);
    }
    [MenuItem("Custom/Texture/Change Non Power of 2/ToLarger")]
    static void ChangeNPOT_ToLarger()
    {
        SelectedChangeNonPowerOf2(TextureImporterNPOTScale.ToLarger);
    }
    [MenuItem("Custom/Texture/Change Non Power of 2/ToSmaller")]
    static void ChangeNPOT_ToSmaller()
    {
        SelectedChangeNonPowerOf2(TextureImporterNPOTScale.ToSmaller);
    }
    // ----------------------------------------------------------------------------
    [MenuItem("Custom/Texture/Change Is Readable/Enable")]
    static void ChangeIsReadable_Yes()
    {
        SelectedChangeIsReadable(true);
    }
    [MenuItem("Custom/Texture/Change Is Readable/Disable")]
    static void ChangeIsReadable_No()
    {
        SelectedChangeIsReadable(false);
    }
    // ----------------------------------------------------------------------------
    static void SelectedChangeIsReadable(bool enabled)
    {
        Object[] textures = GetSelectedTextures();
        Selection.objects = new Object[0];
        foreach (Texture2D texture in textures)
        {
            string path = AssetDatabase.GetAssetPath(texture);
            TextureImporter textureImporter = AssetImporter.GetAtPath(path) as TextureImporter;
            textureImporter.isReadable = enabled;
            AssetDatabase.ImportAsset(path);
        }
    }
    static void SelectedChangeNonPowerOf2(TextureImporterNPOTScale npot)
    {
        Object[] textures = GetSelectedTextures();
        Selection.objects = new Object[0];
        foreach (Texture2D texture in textures)
        {
            string path = AssetDatabase.GetAssetPath(texture);
            TextureImporter textureImporter = AssetImporter.GetAtPath(path) as TextureImporter;
            textureImporter.npotScale = npot;
            AssetDatabase.ImportAsset(path);
        }
    }
    static void SelectedChangeMimMap(bool enabled)
    {
        Object[] textures = GetSelectedTextures();
        Selection.objects = new Object[0];
        foreach (Texture2D texture in textures)
        {
            string path = AssetDatabase.GetAssetPath(texture);
            TextureImporter textureImporter = AssetImporter.GetAtPath(path) as TextureImporter;
            textureImporter.mipmapEnabled = enabled;
            AssetDatabase.ImportAsset(path);
        }
    }
    static void SelectedChangeMaxTextureSize(int size)
    {
        Object[] textures = GetSelectedTextures();
        Selection.objects = new Object[0];
        foreach (Texture2D texture in textures)
        {
            string path = AssetDatabase.GetAssetPath(texture);
            TextureImporter textureImporter = AssetImporter.GetAtPath(path) as TextureImporter;
            textureImporter.maxTextureSize = size;
            AssetDatabase.ImportAsset(path);
        }
    }
    static void SelectedChangeTextureFormatSettings(TextureImporterFormat newFormat)
    {
        Object[] textures = GetSelectedTextures();
        Selection.objects = new Object[0];
        foreach (Texture2D texture in textures)
        {
            string path = AssetDatabase.GetAssetPath(texture);
            //Debug.Log("path: " + path);
            TextureImporter textureImporter = AssetImporter.GetAtPath(path) as TextureImporter;
            textureImporter.textureFormat = newFormat;
            AssetDatabase.ImportAsset(path);
        }
    }
    static Object[] GetSelectedTextures()
    {
        return Selection.GetFiltered(typeof(Texture2D), SelectionMode.DeepAssets);
    }
}

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