public static byte[] GetResourceFromCache(this IResourceBlock blockInfo, int index = 0)
{
Stream source = null;
var resourcePointer = blockInfo.GetResourcePointer(index);
var resourceLength = blockInfo.GetResourceLength(index);
if (resourcePointer.Source == Halo2.ResourceSource.Local)
{
source = ActiveCache as CacheStream;
}
if (resourcePointer.Source == Halo2.ResourceSource.Shared)
{
source = (Stream)Index.Caches.FirstOrDefault(IsCacheCalled("shared"));
}
if (resourcePointer.Source == Halo2.ResourceSource.SinglePlayerShared)
{
source = (Stream)Index.Caches.FirstOrDefault(IsCacheCalled("single_player_shared"));
}
if (resourcePointer.Source == Halo2.ResourceSource.MainMenu)
{
source = (Stream)Index.Caches.FirstOrDefault(IsCacheCalled("mainmenu"));
}
if (source == null)
{
return(null);
}
source.Position = resourcePointer.Address;
var buffer = new byte[resourceLength];
source.Read(buffer, 0, resourceLength);
return(buffer);
}
private void CopyIndexedResource(Stream outputStream, IResourceBlock resourceBlock, int resourceCount)
{
for (var i = 0; i < resourceCount; i++)
{
var address = resourceBlock.GetResourcePointer(i);
var length = resourceBlock.GetResourceLength(i);
switch (address.Source)
{
case Halo2.ResourceSource.Local:
CopyLocalResource(outputStream, resourceBlock, address, length, i);
break;
default:
// we don't need to do anything with external resources
continue;
}
}
}