using UnityEditor;
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using UnityEditor.U2D;
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using UnityEngine;
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/// <summary>
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/// 批量设置贴图和图集的平台压缩格式：
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/// - PC(Standalone)：不设置覆盖，保持默认
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/// - Android：ETC2（有Alpha→RGBA8 / 无Alpha→RGB4）
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/// - iPhone：ASTC_6x6
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/// - WebGL：ASTC_6x6
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///
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/// 图集只设置 SpriteAtlas 自身格式，不触碰其中的 Sprite。
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///
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/// 菜单：程序/Sprite/批量设置贴图平台格式
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/// </summary>
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public class BatchTexturePlatformSettings
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{
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private static readonly string TARGET_FOLDER = TexturePlatformFormatHelper.TARGET_FOLDER;
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[MenuItem("程序/Sprite/批量设置贴图平台格式(全部)")]
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public static void SetAll()
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{
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SetTextures();
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SetSpriteAtlases();
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AssetDatabase.SaveAssets();
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AssetDatabase.Refresh();
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}
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[MenuItem("程序/Sprite/批量设置贴图平台格式(仅贴图)")]
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public static void SetTexturesOnly()
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{
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SetTextures();
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AssetDatabase.SaveAssets();
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AssetDatabase.Refresh();
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}
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[MenuItem("程序/Sprite/批量设置贴图平台格式(仅图集)")]
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public static void SetAtlasesOnly()
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{
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SetSpriteAtlases();
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AssetDatabase.SaveAssets();
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AssetDatabase.Refresh();
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}
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// ============================================================
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// 贴图
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// ============================================================
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static void SetTextures()
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{
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var guids = AssetDatabase.FindAssets("t:Texture2D", new[] { TARGET_FOLDER });
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int total = guids.Length;
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int converted = 0;
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int skipped = 0;
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for (int i = 0; i < total; i++)
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{
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var assetPath = AssetDatabase.GUIDToAssetPath(guids[i]);
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EditorUtility.DisplayProgressBar("批量设置贴图平台格式", $"[{i + 1}/{total}] {assetPath}", (float)i / total);
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var importer = AssetImporter.GetAtPath(assetPath) as TextureImporter;
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if (importer == null) { skipped++; continue; }
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if (TexturePlatformFormatHelper.ApplyTexturePlatformSettings(importer))
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{
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importer.SaveAndReimport();
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converted++;
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Debug.Log($"[BatchTex] 贴图: {assetPath}");
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}
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else
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{
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skipped++;
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}
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}
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EditorUtility.ClearProgressBar();
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Debug.Log($"[BatchTex] 贴图完成：转换 {converted}，跳过 {skipped}，共 {total}");
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EditorUtility.DisplayDialog("贴图格式设置完成",
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$"转换 {converted} 个，跳过 {skipped} 个，共 {total} 个贴图。\nAndroid → ETC2\niPhone → ASTC_6x6\nWebGL → ASTC_6x6\nPC → 默认",
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"OK");
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}
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// ============================================================
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// 图集
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// ============================================================
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static void SetSpriteAtlases()
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{
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var guids = AssetDatabase.FindAssets("t:SpriteAtlas", new[] { TARGET_FOLDER });
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int total = guids.Length;
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int converted = 0;
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int skipped = 0;
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for (int i = 0; i < total; i++)
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{
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var assetPath = AssetDatabase.GUIDToAssetPath(guids[i]);
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EditorUtility.DisplayProgressBar("批量设置图集平台格式", $"[{i + 1}/{total}] {assetPath}", (float)i / total);
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try
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{
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var importer = SpriteAtlasImporter.GetAtPath(assetPath) as SpriteAtlasImporter;
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if (importer == null) { skipped++; continue; }
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if (TexturePlatformFormatHelper.ApplyAtlasPlatformSettings(importer))
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{
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importer.SaveAndReimport();
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converted++;
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Debug.Log($"[BatchTex] 图集: {assetPath}");
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}
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else
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{
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skipped++;
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}
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}
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catch (System.Exception ex)
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{
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Debug.LogError($"[BatchTex] 图集失败 {assetPath}: {ex.Message}");
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}
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}
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EditorUtility.ClearProgressBar();
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Debug.Log($"[BatchTex] 图集完成：转换 {converted}，跳过 {skipped}，共 {total}");
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EditorUtility.DisplayDialog("图集格式设置完成",
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$"转换 {converted} 个，跳过 {skipped} 个，共 {total} 个图集。\nAndroid → ETC2_RGBA8\niPhone → ASTC_6x6\nWebGL → ASTC_6x6\nPC → 默认",
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"OK");
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}
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}
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