public static GlobalGeometrySectionStructBlock LoadSectionData(
this GlobalGeometryBlockInfoStructBlock geometryInfo)
{
var resourceStream = geometryInfo.GetResourceFromCache( );
if (resourceStream == null)
{
return(default(GlobalGeometrySectionStructBlock));
}
var sectionBlock = new GlobalGeometrySectionStructBlock( );
using (var binaryReader = new BinaryReader(resourceStream))
{
sectionBlock.Read(binaryReader);
var vertexBufferResources = geometryInfo.Resources.Where(
x => x.Type == GlobalGeometryBlockResourceBlock.TypeEnum.VertexBuffer).ToArray( );
for (var i = 0;
i < sectionBlock.VertexBuffers.Length && i < vertexBufferResources.Length;
++i)
{
sectionBlock.VertexBuffers[i].VertexBuffer.Data =
resourceStream.GetResourceData(vertexBufferResources[i]);
}
}
return(sectionBlock);
}
public static ResourceStream GetResourceFromCache(this GlobalGeometryBlockInfoStructBlock blockInfo)
{
var ResourceLocation = blockInfo.ResourceLocation;
Stream source = null;
if (ResourceLocation == Halo2.ResourceSource.Local)
{
source = ActiveCache as CacheStream;
}
if (ResourceLocation == Halo2.ResourceSource.Shared)
{
source = ( Stream )Index.Caches.FirstOrDefault(IsCacheCalled("shared"));
}
if (ResourceLocation == Halo2.ResourceSource.SinglePlayerShared)
{
source = ( Stream )Index.Caches.FirstOrDefault(IsCacheCalled("single_player_shared"));
}
if (ResourceLocation == Halo2.ResourceSource.MainMenu)
{
source = ( Stream )Index.Caches.FirstOrDefault(IsCacheCalled("mainmenu"));
}
if (source == null)
{
return(null);
}
source.Position = blockInfo.ResourceOffset + 8;
var buffer = new byte[blockInfo.BlockSize - 8];
source.Read(buffer, 0, blockInfo.BlockSize - 8);
return(new ResourceStream(buffer, blockInfo));
}
