Change default windows state dir

Default windows state dir now is C:\ProgramData\Epic\Zen\Data.  Also functional for Windows Service unlike the MyDocuments directory.  No longer attempt search for largest drive if MyDocuments is not available.

1 files changed, 9 insertions, 42 deletions

diff --git a/zenserver/config.cpp b/zenserver/config.cpp
index eb10420c8..4cb949b0e 100644
--- a/zenserver/config.cpp
+++ b/zenserver/config.cpp
@@ -32,52 +32,19 @@ std::filesystem::path
 PickDefaultStateDirectory()
 {
 	// Pick sensible default
-
-	WCHAR	myDocumentsDir[MAX_PATH];
-	HRESULT hRes = SHGetFolderPathW(NULL,
-									CSIDL_PERSONAL /*  My Documents */,
-									NULL,
-									SHGFP_TYPE_CURRENT,
-									/* out */ myDocumentsDir);
+	PWSTR programDataDir = nullptr;
+	HRESULT hRes = SHGetKnownFolderPath(FOLDERID_ProgramData,
+										 0,
+										 NULL,
+										 &programDataDir);
 
 	if (SUCCEEDED(hRes))
 	{
-		wcscat_s(myDocumentsDir, L"\\zen");
-
-		return myDocumentsDir;
-	}
+		std::filesystem::path finalPath(programDataDir);
+		finalPath /= L"Epic\\Zen\\Data";
+		::CoTaskMemFree(programDataDir);
 
-	int			   CandidateDriveLetterOffset = -1;
-	ULARGE_INTEGER CandidateDriveSize;
-	CandidateDriveSize.QuadPart = 0L;
-	DWORD LogicalDrives			= GetLogicalDrives();
-	char  CandidateDriveName[]	= "A:\\";
-	for (int DriveLetterOffset = 0; DriveLetterOffset < 32; ++DriveLetterOffset)
-	{
-		if ((LogicalDrives & (1 << DriveLetterOffset)) != 0)
-		{
-			CandidateDriveName[0] = (char)('A' + DriveLetterOffset);
-			if (GetDriveTypeA(CandidateDriveName) == DRIVE_FIXED)
-			{
-				ULARGE_INTEGER FreeBytesAvailableToCaller;
-				ULARGE_INTEGER TotalNumberOfBytes;
-				if (0 != GetDiskFreeSpaceExA(CandidateDriveName, &FreeBytesAvailableToCaller, &TotalNumberOfBytes, nullptr))
-				{
-					if ((FreeBytesAvailableToCaller.QuadPart > 0) && (TotalNumberOfBytes.QuadPart > CandidateDriveSize.QuadPart))
-					{
-						CandidateDriveLetterOffset = DriveLetterOffset;
-						CandidateDriveSize		   = TotalNumberOfBytes;
-					}
-				}
-			}
-		}
-	}
-
-	if (CandidateDriveLetterOffset >= 0)
-	{
-		char RootZenFolderName[] = "A:\\zen";
-		RootZenFolderName[0]	 = (char)('A' + CandidateDriveLetterOffset);
-		return RootZenFolderName;
+		return finalPath;
 	}
 
 	return L"";