Added -osarch parameter

DepotDownloader/ContentDownloader.cs

@@ -386,7 +386,7 @@ namespace DepotDownloader
 
             if ( details.hcontent_file > 0 )
             {
-                await DownloadAppAsync( details.consumer_appid, details.consumer_appid, details.hcontent_file, DEFAULT_BRANCH, null, null, false, true );
+                await DownloadAppAsync( details.consumer_appid, details.consumer_appid, details.hcontent_file, DEFAULT_BRANCH, null, null, null, false, true );
             }
             else
             {
@@ -394,7 +394,7 @@ namespace DepotDownloader
             }
         }
 
-        public static async Task DownloadAppAsync( uint appId, uint depotId, ulong manifestId, string branch, string os, string language, bool lv, bool isUgc )
+        public static async Task DownloadAppAsync( uint appId, uint depotId, ulong manifestId, string branch, string os, string arch, string language, bool lv, bool isUgc )
         {
             // Load our configuration data containing the depots currently installed
             string configPath = ContentDownloader.Config.InstallDirectory;
@@ -465,6 +465,14 @@ namespace DepotDownloader
                                         continue;
                                 }
 
+                                if ( depotConfig["osarch"] != KeyValue.Invalid &&
+                                    !string.IsNullOrWhiteSpace( depotConfig["osarch"].Value ) )
+                                {
+                                    var depotArch = depotConfig["osarch"].Value;
+                                    if ( depotArch != ( arch ?? Util.GetSteamArch() ) )
+                                        continue;
+                                }
+
                                 if ( !Config.DownloadAllLanguages &&
                                     depotConfig["language"] != KeyValue.Invalid &&
                                     !string.IsNullOrWhiteSpace( depotConfig["language"].Value ) )

DepotDownloader/Program.cs

@@ -165,6 +165,9 @@ namespace DepotDownloader
                     Console.WriteLine("Error: Cannot specify -os when -all-platforms is specified.");
                     return 1;
                 }
+
+                string arch = GetParameter<string>( args, "-osarch", null );
+
                 ContentDownloader.Config.DownloadAllLanguages = HasParameter( args, "-all-languages" );
                 string language = GetParameter<string>( args, "-language", null );
 
@@ -207,7 +210,7 @@ namespace DepotDownloader
                 {
                     try
                     {
-                        await ContentDownloader.DownloadAppAsync( appId, depotId, manifestId, branch, os, language, lv, isUGC ).ConfigureAwait( false );
+                        await ContentDownloader.DownloadAppAsync( appId, depotId, manifestId, branch, os, arch, language, lv, isUGC ).ConfigureAwait( false );
                     }
                     catch ( Exception ex ) when (
                         ex is ContentDownloaderException

DepotDownloader/Util.cs

@@ -28,6 +28,11 @@ namespace DepotDownloader
             return "unknown";
         }
 
+        public static string GetSteamArch()
+        {
+            return Environment.Is64BitOperatingSystem ? "64" : "32";
+        }
+
         public static string ReadPassword()
         {
             ConsoleKeyInfo keyInfo;