{"id":4971,"date":"2023-07-19T17:37:40","date_gmt":"2023-07-19T09:37:40","guid":{"rendered":"http:\/\/blog.coolcoding.cn\/?p=4971"},"modified":"2023-07-19T17:37:40","modified_gmt":"2023-07-19T09:37:40","slug":"unity%e8%87%aa%e5%8a%a8%e5%8c%96%e6%89%93%e5%9b%be%e9%9b%86","status":"publish","type":"post","link":"https:\/\/blog.coolcoding.cn\/?p=4971","title":{"rendered":"Unity\u81ea\u52a8\u5316\u6253\u56fe\u96c6"},"content":{"rendered":"<pre><code class=\"language-c#\">\/\/ \u521b\u5efa\u56fe\u96c6\u5bf9\u8c61\npublic static SpriteAtlas NewEmptySpriteAtlas(int maxTexSize = 2048)\n{\n    SpriteAtlas spriteAtlas = new SpriteAtlas();\n    SpriteAtlasPackingSettings packingSettings = new SpriteAtlasPackingSettings()\n    {\n        blockOffset = 1,\n        padding = 2,\n        enableRotation = false,\n        enableTightPacking = false,\n        enableAlphaDilation = true,\n    };\n\n    spriteAtlas.SetPackingSettings(packingSettings);\n\n    SpriteAtlasTextureSettings textureSettings = new SpriteAtlasTextureSettings()\n    {\n        readable = false,\n        generateMipMaps = false,\n        sRGB = true,\n        filterMode = FilterMode.Bilinear,\n    };\n    spriteAtlas.SetTextureSettings(textureSettings);\n\n    TextureImporterPlatformSettings defaultSetting = new TextureImporterPlatformSettings();\n    defaultSetting.maxTextureSize = maxTexSize;\n    defaultSetting.crunchedCompression = true;\n    defaultSetting.textureCompression = TextureImporterCompression.Compressed;\n    defaultSetting.format = TextureImporterFormat.Automatic;\n    spriteAtlas.SetPlatformSettings(defaultSetting);\n\n    TextureImporterPlatformSettings androidSetting = new TextureImporterPlatformSettings();\n    androidSetting.name = BuildPipeline.GetBuildTargetName(BuildTarget.Android);\n    androidSetting.overridden = true;\n    androidSetting.maxTextureSize = maxTexSize;\n    androidSetting.textureCompression = TextureImporterCompression.Compressed;\n    androidSetting.format = TextureImporterFormat.ASTC_6x6;\n    spriteAtlas.SetPlatformSettings(androidSetting);\n\n    TextureImporterPlatformSettings iosSetting = new TextureImporterPlatformSettings();\n    iosSetting.name = BuildPipeline.GetBuildTargetName(BuildTarget.iOS);\n    iosSetting.overridden = true;\n    iosSetting.maxTextureSize = maxTexSize;\n    iosSetting.textureCompression = TextureImporterCompression.Compressed;\n    iosSetting.format = TextureImporterFormat.ASTC_6x6;\n    spriteAtlas.SetPlatformSettings(iosSetting);\n\n    return spriteAtlas;\n}\n\n\/\/ \u6e05\u7a7a\u56fe\u96c6\u7f13\u5b58\uff0c\u6253\u56fe\u96c6\u524d\u5fc5\u987b\u6e05\u4e00\u4e0b\u7f13\u5b58\uff0c\u5426\u5219\u5404\u79cd\u5f02\u5e38\nprivate static void ClearAtlasCache()\n{\n    const string atlasCacheDir = &quot;Library\/AtlasCache\/&quot;;\n    var fullPath = System.IO.Path.GetFullPath(atlasCacheDir);\n    if (!System.IO.Directory.Exists(fullPath))\n    {\n        return;\n    }\n    var files = System.IO.Directory.GetFiles(fullPath, &quot;*.*&quot;, System.IO.SearchOption.AllDirectories);\n    foreach(var filename in files)\n    {\n        System.IO.File.Delete(filename);\n    }\n}\n\n\/\/ \u6267\u884c\u6253\u56fe\u96c6\u64cd\u4f5c\n\/\/ inputSpriteFiles \u8f93\u5165\u7684Sprite\u6587\u4ef6\u5217\u8868\n\/\/ outputAtlasFilename \u8f93\u51fa\u7684\u56fe\u96c6\u6587\u4ef6\u540d\nprivate static void DoPackSpriteAtlas(List&lt;string&gt; inputSpriteFiles, string outputAtlasFilename)\n{\n    ClearAtlasCache();\n\n    UnityEngine.Object[] LoadAssets()\n    {\n        List&lt;UnityEngine.Object&gt; objs = new List&lt;UnityEngine.Object&gt;();\n        foreach(var asset in inputSpriteFiles)\n        {\n            UnityEngine.Object obj = AssetDatabase.LoadAssetAtPath&lt;UnityEngine.Object&gt;(asset);\n            objs.Add(obj);\n        }\n        return objs.ToArray();\n    }\n\n    List&lt;SpriteAtlas&gt; atlasList = new List&lt;SpriteAtlas&gt;();\n    SpriteAtlas spobj = UISpriteAtlasCfgGroup.NewEmptySpriteAtlas();\n    spobj.Add( LoadAssets() );\n    atlasList.Add(spobj);\n    AssetDatabase.CreateAsset(spobj, outputAtlasFilename);\n    SpriteAtlasUtility.PackAtlases( atlasList.ToArray(), BuildTarget.StandaloneWindows64 );\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\/\/ \u521b\u5efa\u56fe\u96c6\u5bf9\u8c61 public static SpriteAtlas NewEmptySpriteAtlas [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=\/wp\/v2\/posts\/4971"}],"collection":[{"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4971"}],"version-history":[{"count":1,"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=\/wp\/v2\/posts\/4971\/revisions"}],"predecessor-version":[{"id":4972,"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=\/wp\/v2\/posts\/4971\/revisions\/4972"}],"wp:attachment":[{"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4971"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4971"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.coolcoding.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}