private static void EnsureLoaded()
{
if (OodleLZ_Handle != IntPtr.Zero)
{
return;
}
// Can't use DllImport if I want to support multiple DLL versions. Resolve the exports by hand.
OodleLZ_Handle = LoadLibraryW("oo2core_7_win64.dll");
OodleLZ_Version = 7;
if (OodleLZ_Handle == IntPtr.Zero)
{
OodleLZ_Handle = LoadLibraryW("oo2core_3_win64.dll");
OodleLZ_Version = 3;
}
var decompressorFunc = GetProcAddress(OodleLZ_Handle, "OodleLZ_Decompress");
var compressorFunc = GetProcAddress(OodleLZ_Handle, "OodleLZ_Compress");
if (decompressorFunc == IntPtr.Zero || compressorFunc == IntPtr.Zero)
{
throw new Exception("A valid oo2core DLL couldn't be found in the program directory (oo2core_3_win64.dll, oo2core_7_win64.dll)");
}
OodleLZ_Decompress = Marshal.GetDelegateForFunctionPointer <OodleLZ_Decompress_Delegate>(decompressorFunc);
OodleLZ_Compress = Marshal.GetDelegateForFunctionPointer <OodleLZ_Compress_Delegate>(compressorFunc);
}
public static void LoadLibrary(string gamePath)
{
string libpath = Path.Combine(gamePath, "oo2ext_7_win64.dll");
Console.WriteLine("Loading compression library: " + libpath);
LibraryHandle = KernLoadLibrary(@libpath);
if (LibraryHandle == IntPtr.Zero)
{
throw new Exception("Failed to load oodle library");
}
OodleLZ_Decompress_Ptr = KernGetProcAddress(LibraryHandle, "OodleLZ_Decompress");
OodleLZ_GetCompressedBufferSizeNeeded_Ptr = KernGetProcAddress(LibraryHandle, "OodleLZ_GetCompressedBufferSizeNeeded");
OodleLZ_Compress_Ptr = KernGetProcAddress(LibraryHandle, "OodleLZ_Compress");
if (OodleLZ_Decompress_Ptr == IntPtr.Zero || OodleLZ_GetCompressedBufferSizeNeeded_Ptr == IntPtr.Zero || OodleLZ_Compress_Ptr == IntPtr.Zero)
{
throw new Exception("Compression functions not found in oodle library");
}
OodleLZ_Decompress = (OodleLZ_Decompress_Delegate)Marshal.GetDelegateForFunctionPointer(OodleLZ_Decompress_Ptr, typeof(OodleLZ_Decompress_Delegate));
}
