fix: 更新 packFormat 字段为可选

Author: ChouChiu

src/main/java/i18nupdatemod/core/ResourcePackConverter.java

@@ -32,7 +32,7 @@ public ResourcePackConverter(List<ResourcePack> resourcePack, String filename) {
         this.tmpFilePath = FileUtil.getTemporaryPath(filename);
     }
 
-    public void convert(int packFormat, Integer minFormat, Integer maxFormat, String description) throws Exception {
+    public void convert(Integer packFormat, Integer minFormat, Integer maxFormat, String description) throws Exception {
         Set<String> fileList = new HashSet<>();
         try (ZipOutputStream zos = new ZipOutputStream(
                 Files.newOutputStream(tmpFilePath),
@@ -74,13 +74,13 @@ public void convert(int packFormat, Integer minFormat, Integer maxFormat, String
         }
     }
 
-    private byte[] convertPackMeta(InputStream is, int packFormat, Integer minFormat, Integer maxFormat, String description) {
+    private byte[] convertPackMeta(InputStream is, Integer packFormat, Integer minFormat, Integer maxFormat, String description) {
         PackMeta meta = GSON.fromJson(new InputStreamReader(is, StandardCharsets.UTF_8), PackMeta.class);
-        // 从 pack_format 69 (1.21.9) 开始，只用 min_format/max_format，不再使用 pack_format
-        if (packFormat >= 69) {
+        // 1.21.9+ 使用 min_format/max_format，不再使用 pack_format
+        if (minFormat != null && maxFormat != null) {
             meta.pack.pack_format = null;
-            meta.pack.min_format = minFormat != null ? minFormat : packFormat;
-            meta.pack.max_format = maxFormat != null ? maxFormat : packFormat;
+            meta.pack.min_format = minFormat;
+            meta.pack.max_format = maxFormat;
         } else {
             meta.pack.pack_format = packFormat;
             meta.pack.min_format = null;

src/main/java/i18nupdatemod/entity/GameAssetDetail.java

@@ -4,9 +4,9 @@
 
 public class GameAssetDetail {
     public List<AssetDownloadDetail> downloads;
-    public Integer covertPackFormat;
-    public Integer minFormat;  // pack.mcmeta min_format，用于 pack_format >= 69
-    public Integer maxFormat;  // pack.mcmeta max_format，用于 pack_format >= 69
+    public Integer covertPackFormat;   // 旧格式 pack_format
+    public Integer minFormat;          // 新格式 min_format
+    public Integer maxFormat;          // 新格式 max_format
     public String covertFileName;
 
     public static class AssetDownloadDetail {

src/main/java/i18nupdatemod/entity/GameMetaData.java

@@ -4,8 +4,8 @@
 
 public class GameMetaData {
     public String gameVersions;
-    public int packFormat;
-    public Integer minFormat;  // 可选，用于 pack_format >= 69 的版本范围
-    public Integer maxFormat;  // 可选，用于 pack_format >= 69 的版本范围
+    public Integer packFormat;     // 旧格式，用于 1.21.8 及之前
+    public Integer minFormat;      // 新格式，用于 1.21.9 及之后
+    public Integer maxFormat;      // 新格式，用于 1.21.9 及之后
     public List<String> convertFrom;
 }