public MetadataHeader(DependencyReader reader)
{
reader.RegisterInstance(this);
Header = reader.ReadObject <TagHeader>();
Dependencies = reader.ReadEnumerable <TagDependency>(Header.DependencyCount).ToList();
DataBlocks = reader.ReadEnumerable <DataBlock>(Header.DataBlockCount).ToList();
StructureDefinitions = reader.ReadEnumerable <TagStructureDefinition>(Header.TagStructureCount).ToList();
DataReferences = reader.ReadEnumerable <DataBlockReference>(Header.DataReferenceCount).ToList();
TagReferences = reader.ReadEnumerable <TagBlockReference>(Header.TagReferenceCount).ToList();
StringIds = reader.ReadEnumerable <StringId>(Header.StringIdCount).ToList();
stringTable = new List <string>(StringIds.Count);
stringsByOffset = new Dictionary <int, int>(StringIds.Count);
stringsByHash = new Dictionary <uint, int>(StringIds.Count);
var startPos = reader.BaseStream.Position;
while (reader.BaseStream.Position < startPos + Header.StringTableSize)
{
var relative = reader.BaseStream.Position - startPos;
var currentValue = reader.ReadNullTerminatedString();
stringsByOffset.Add((int)relative, stringTable.Count);
var hash = MurMur3.Hash32(currentValue);
if (!stringsByHash.ContainsKey(hash))
{
stringsByHash.Add(hash, stringTable.Count);
}
stringTable.Add(currentValue);
}
}
private IEnumerable <GeometryMesh> ReadPCMeshes(DependencyReader reader)
{
var tagIndex = cache.TagIndex as ITagIndexGen1;
if (tagIndex == null)
{
throw new NotSupportedException();
}
foreach (var section in Sections)
{
var indices = new List <int>();
var vertices = new List <UncompressedVertex>();
var submeshes = new List <IGeometrySubmesh>();
foreach (var submesh in section.Submeshes)
{
var gSubmesh = new GeometrySubmesh
{
MaterialIndex = submesh.ShaderIndex,
IndexStart = indices.Count,
IndexLength = submesh.IndexCount + 2
};
submeshes.Add(gSubmesh);
reader.Seek(tagIndex.VertexDataOffset + tagIndex.IndexDataOffset + submesh.IndexOffset, SeekOrigin.Begin);
indices.AddRange(reader.ReadEnumerable <ushort>(gSubmesh.IndexLength).Select(i => i + vertices.Count));
reader.Seek(tagIndex.VertexDataOffset + submesh.VertexOffset, SeekOrigin.Begin);
var vertsTemp = reader.ReadEnumerable <UncompressedVertex>(submesh.VertexCount).ToList();
if (UScale != 1 || VScale != 1)
{
vertsTemp.ForEach((v) =>
{
var vec = v.TexCoords;
vec.X *= UScale;
vec.Y *= VScale;
v.TexCoords = vec;
});
}
if (Flags.HasFlag(ModelFlags.UseLocalNodes))
{
var address = section.Submeshes.Pointer.Address;
address += section.Submeshes.IndexOf(submesh) * 132;
reader.Seek(address + 107, SeekOrigin.Begin);
var nodeCount = reader.ReadByte();
var nodes = reader.ReadEnumerable <byte>(nodeCount).ToArray();
vertsTemp.ForEach((v) =>
{
v.NodeIndex1 = nodes[v.NodeIndex1];
v.NodeIndex2 = nodes[v.NodeIndex2];
});
}
vertices.AddRange(vertsTemp);
}
yield return(new GeometryMesh
{
IndexFormat = IndexFormat.TriangleStrip,
VertexWeights = VertexWeights.Skinned,
Indicies = indices.ToArray(),
Vertices = vertices.ToArray(),
Submeshes = submeshes
});
}
}
private IEnumerable <GeometryMesh> ReadXboxMeshes(DependencyReader reader)
{
var tagIndex = cache.TagIndex as ITagIndexGen1;
if (tagIndex == null)
{
throw new NotSupportedException();
}
foreach (var section in Sections)
{
var indices = new List <int>();
var vertices = new List <CompressedVertex>();
var submeshes = new List <IGeometrySubmesh>();
foreach (var submesh in section.Submeshes)
{
if (submesh.IndexCount == 0 || submesh.VertexCount == 0)
{
continue;
}
try
{
var gSubmesh = new GeometrySubmesh
{
MaterialIndex = submesh.ShaderIndex,
IndexStart = indices.Count,
IndexLength = submesh.IndexCount + 2
};
submeshes.Add(gSubmesh);
reader.Seek(submesh.IndexOffset - tagIndex.Magic, SeekOrigin.Begin);
reader.ReadInt32();
reader.Seek(reader.ReadInt32() - tagIndex.Magic, SeekOrigin.Begin);
var indicesTemp = reader.ReadEnumerable <ushort>(gSubmesh.IndexLength).ToList();
indices.AddRange(indicesTemp.Select(i => i + vertices.Count));
reader.Seek(submesh.VertexOffset - tagIndex.Magic, SeekOrigin.Begin);
reader.ReadInt32();
reader.Seek(reader.ReadInt32() - tagIndex.Magic, SeekOrigin.Begin);
var vertsTemp = new List <CompressedVertex>();
for (int i = 0; i < submesh.VertexCount; i++)
{
vertsTemp.Add(new CompressedVertex(reader));
}
if (UScale != 1 || VScale != 1)
{
vertsTemp.ForEach((v) =>
{
var vec = v.TexCoords;
vec.X *= UScale;
vec.Y *= VScale;
v.TexCoords = vec;
});
}
//if (Flags.HasFlag(ModelFlags.UseLocalNodes))
//{
// var address = section.Submeshes.Pointer.Address;
// address += section.Submeshes.IndexOf(submesh) * 208;
// reader.Seek(address + 107, SeekOrigin.Begin);
// var nodeCount = reader.ReadByte();
// var nodes = reader.ReadEnumerable<byte>(nodeCount).ToArray();
// vertsTemp.ForEach((v) =>
// {
// v.NodeIndex1 = nodes[v.NodeIndex1];
// v.NodeIndex2 = nodes[v.NodeIndex2];
// });
//}
vertices.AddRange(vertsTemp);
}
catch { }
}
yield return(new GeometryMesh
{
IndexFormat = IndexFormat.TriangleStrip,
VertexWeights = VertexWeights.Skinned,
Indicies = indices.ToArray(),
Vertices = vertices.ToArray(),
Submeshes = submeshes
});
}
}
