public StringTableHaloOnline(CacheVersion version, Stream stream)
{
Version = version;
Resolver = null;
if (CacheVersionDetection.Compare(Version, CacheVersion.HaloOnline700123) >= 0)
{
Resolver = new StringIdResolverMS30();
}
else if (CacheVersionDetection.Compare(Version, CacheVersion.HaloOnline498295) >= 0)
{
Resolver = new StringIdResolverMS28();
}
else
{
Resolver = new StringIdResolverMS23();
}
if (stream != null && stream.Length != 0)
{
Load(stream);
}
else
{
CreateFromStrings();
}
}
/// <summary>
/// Creates a vertex stream for a given engine version.
/// </summary>
/// <param name="version">The engine version.</param>
/// <param name="stream">The base stream.</param>
/// <returns>The created vertex stream.</returns>
public static IVertexStream Create(CacheVersion version, Stream stream)
{
if (CacheVersionDetection.Compare(version, CacheVersion.Halo3ODST) <= 0)
{
return(new VertexStreamXbox(stream));
}
if (CacheVersionDetection.Compare(version, CacheVersion.HaloOnline235640) >= 0)
{
return(new VertexStreamMS25(stream));
}
return(new VertexStreamMS23(stream));
}
private ResourceLocation FixResourceLocation(ResourceLocation location, CacheVersion srcVersion, CacheVersion destVersion)
{
if (CacheVersionDetection.Compare(destVersion, CacheVersion.HaloOnline235640) >= 0)
{
return(location);
}
switch (location)
{
case ResourceLocation.RenderModels:
return(ResourceLocation.Resources);
case ResourceLocation.Lightmaps:
return(ResourceLocation.Textures);
}
return(location);
}
private RenderGeometry ConvertGeometry(RenderGeometry geometry, GameCacheContextHaloOnline srcCacheContext, GameCacheContextHaloOnline destCacheContext)
{
if (geometry == null || geometry.Resource.HaloOnlinePageableResource == null || geometry.Resource.HaloOnlinePageableResource.Page.Index < 0 || !geometry.Resource.HaloOnlinePageableResource.GetLocation(out var location))
{
return(geometry);
}
// The format changed starting with version 1.235640, so if both versions are on the same side then they can be converted normally
var srcCompare = CacheVersionDetection.Compare(srcCacheContext.Version, CacheVersion.HaloOnline235640);
var destCompare = CacheVersionDetection.Compare(destCacheContext.Version, CacheVersion.HaloOnline235640);
if ((srcCompare < 0 && destCompare < 0) || (srcCompare >= 0 && destCompare >= 0))
{
geometry.Resource.HaloOnlinePageableResource = ConvertResource(geometry.Resource.HaloOnlinePageableResource, srcCacheContext, destCacheContext);
return(geometry);
}
Console.WriteLine("- Rebuilding geometry resource {0} in {1}...", geometry.Resource.HaloOnlinePageableResource.Page.Index, location);
using (MemoryStream inStream = new MemoryStream(), outStream = new MemoryStream())
{
// First extract the model data
srcCacheContext.ExtractResource(geometry.Resource.HaloOnlinePageableResource, inStream);
// Now open source and destination vertex streams
inStream.Position = 0;
var inVertexStream = VertexStreamFactory.Create(srcCacheContext.Version, inStream);
var outVertexStream = VertexStreamFactory.Create(destCacheContext.Version, outStream);
// Deserialize the definition data
var resourceContext = new ResourceSerializationContext(CacheContext, geometry.Resource.HaloOnlinePageableResource);
var definition = srcCacheContext.Deserializer.Deserialize <RenderGeometryApiResourceDefinition>(resourceContext);
// Convert each vertex buffer
foreach (var buffer in definition.VertexBuffers)
{
ConvertVertexBuffer(srcCacheContext, destCacheContext, buffer.Definition, inStream, inVertexStream, outStream, outVertexStream);
}
// Copy each index buffer over
foreach (var buffer in definition.IndexBuffers)
{
if (buffer.Definition.Data.Size == 0)
{
continue;
}
inStream.Position = buffer.Definition.Data.Address.Offset;
buffer.Definition.Data.Address = new CacheAddress(CacheAddressType.Data, (int)outStream.Position);
var bufferData = new byte[buffer.Definition.Data.Size];
inStream.Read(bufferData, 0, bufferData.Length);
outStream.Write(bufferData, 0, bufferData.Length);
StreamUtil.Align(outStream, 4);
}
// Update the definition data
destCacheContext.Serializer.Serialize(resourceContext, definition);
// Now inject the new resource data
var newLocation = FixResourceLocation(location, srcCacheContext.Version, destCacheContext.Version);
outStream.Position = 0;
geometry.Resource.HaloOnlinePageableResource.ChangeLocation(newLocation);
destCacheContext.AddResource(geometry.Resource.HaloOnlinePageableResource, outStream);
}
return(geometry);
}