Support Zlib compression (#4)

* Support Zlib compression Allow config file to specify path to zlib DLL * Remove preprocessor conditional return for zlib check failure * Fixup after merge conflict (provider initialization) * Update BlueprintToCpp/Program.cs authored-by: Ross Adamson
Krowe-moh · Jan 31, 2025 · 3fa3ad9 · 3fa3ad9
1 parent aaa7382
commit 3fa3ad9
Show file tree

Hide file tree

Showing 2 changed files with 11 additions and 2 deletions.
diff --git a/BlueprintToCpp/Program.cs b/BlueprintToCpp/Program.cs
@@ -88,6 +88,8 @@ public static async Task Main(string[] args)     {
                 return;
             }
 
+            string zlibPath = config.ZlibPath;
+
             EGame version = config.Version;
             if (string.IsNullOrEmpty(version.ToString()) || version.ToString().Length < 1)
             {
@@ -97,7 +99,7 @@ public static async Task Main(string[] args)     {
 
             string exeDirectory = AppDomain.CurrentDomain.BaseDirectory;
 
-            var provider = InitializeProvider(pakFolderPath, usmapPath, oodlePath, version);
+            var provider = InitializeProvider(pakFolderPath, usmapPath, oodlePath, zlibPath, version);
             provider.ReadScriptData = true;
             await LoadAesKeysAsync(provider,
                 "https://fortnitecentral.genxgames.gg/api/v1/aes"); // allow users to change the aes url?
@@ -559,10 +561,15 @@ gameplayTagsInArray.StructType is
         }
     }
 
-    static DefaultFileProvider InitializeProvider(string pakFolderPath, string usmapPath, string oodlePath, EGame version)
+    static DefaultFileProvider InitializeProvider(string pakFolderPath, string usmapPath, string oodlePath, string zlibPath, EGame version)
     {
         OodleHelper.Initialize(oodlePath);
 
+        if (!string.IsNullOrEmpty(zlibPath) && zlibPath.Length > 0)
+        {
+            ZlibHelper.Initialize(zlibPath);
+        }
+
         var provider = new DefaultFileProvider(pakFolderPath, SearchOption.TopDirectoryOnly, true, new VersionContainer(version))
         {
             MappingsContainer = new FileUsmapTypeMappingsProvider(usmapPath)

diff --git a/BlueprintToCpp/Utils/Properties.cs b/BlueprintToCpp/Utils/Properties.cs
@@ -12,6 +12,7 @@ public class Config
     public string PakFolderPath { get; set; }
     public string BlueprintPath { get; set; }
     public string OodlePath { get; set; }
+    public string ZlibPath { get; set; }
     public string UsmapPath { get; set; }
 
     [JsonConverter(typeof(StringEnumConverter))]
@@ -29,6 +30,7 @@ public static Config LoadConfig(string path)
                 PakFolderPath = "",
                 BlueprintPath = "",
                 OodlePath = "",
+                ZlibPath = "",
                 UsmapPath = "",
                 Version = EGame.GAME_UE5_LATEST
             };