public VBIB(IKeyValueCollection data) : this()
{
var vertexBuffers = data.GetArray("m_vertexBuffers");
foreach (var vb in vertexBuffers)
{
var vertexBuffer = BufferDataFromDATA(vb);
var decompressedSize = vertexBuffer.ElementCount * vertexBuffer.ElementSizeInBytes;
if (vertexBuffer.Data.Length != decompressedSize)
{
vertexBuffer.Data = MeshOptimizerVertexDecoder.DecodeVertexBuffer((int)vertexBuffer.ElementCount, (int)vertexBuffer.ElementSizeInBytes, vertexBuffer.Data);
}
VertexBuffers.Add(vertexBuffer);
}
var indexBuffers = data.GetArray("m_indexBuffers");
foreach (var ib in indexBuffers)
{
var indexBuffer = BufferDataFromDATA(ib);
var decompressedSize = indexBuffer.ElementCount * indexBuffer.ElementSizeInBytes;
if (indexBuffer.Data.Length != decompressedSize)
{
indexBuffer.Data = MeshOptimizerIndexDecoder.DecodeIndexBuffer((int)indexBuffer.ElementCount, (int)indexBuffer.ElementSizeInBytes, indexBuffer.Data);
}
IndexBuffers.Add(indexBuffer);
}
}
public override void Read(BinaryReader reader, Resource resource)
{
reader.BaseStream.Position = Offset;
var vertexBufferOffset = reader.ReadUInt32();
var vertexBufferCount = reader.ReadUInt32();
var indexBufferOffset = reader.ReadUInt32();
var indexBufferCount = reader.ReadUInt32();
reader.BaseStream.Position = Offset + vertexBufferOffset;
for (var i = 0; i < vertexBufferCount; i++)
{
var vertexBuffer = ReadOnDiskBufferData(reader);
var decompressedSize = vertexBuffer.ElementCount * vertexBuffer.ElementSizeInBytes;
if (vertexBuffer.Data.Length != decompressedSize)
{
vertexBuffer.Data = MeshOptimizerVertexDecoder.DecodeVertexBuffer((int)vertexBuffer.ElementCount, (int)vertexBuffer.ElementSizeInBytes, vertexBuffer.Data);
}
VertexBuffers.Add(vertexBuffer);
}
reader.BaseStream.Position = Offset + 8 + indexBufferOffset; //8 to take into account vertexOffset / count
for (var i = 0; i < indexBufferCount; i++)
{
var indexBuffer = ReadOnDiskBufferData(reader);
var decompressedSize = indexBuffer.ElementCount * indexBuffer.ElementSizeInBytes;
if (indexBuffer.Data.Length != decompressedSize)
{
indexBuffer.Data = MeshOptimizerIndexDecoder.DecodeIndexBuffer((int)indexBuffer.ElementCount, (int)indexBuffer.ElementSizeInBytes, indexBuffer.Data);
}
IndexBuffers.Add(indexBuffer);
}
}
public override void Read(BinaryReader reader, Resource resource)
{
reader.BaseStream.Position = Offset;
var vertexBufferOffset = reader.ReadUInt32();
var vertexBufferCount = reader.ReadUInt32();
var indexBufferOffset = reader.ReadUInt32();
var indexBufferCount = reader.ReadUInt32();
reader.BaseStream.Position = Offset + vertexBufferOffset;
for (var i = 0; i < vertexBufferCount; i++)
{
var vertexBuffer = default(VertexBuffer);
vertexBuffer.Count = reader.ReadUInt32(); //0
vertexBuffer.Size = reader.ReadUInt32(); //4
var decompressedSize = vertexBuffer.Count * vertexBuffer.Size;
var refA = reader.BaseStream.Position;
var attributeOffset = reader.ReadUInt32(); //8
var attributeCount = reader.ReadUInt32(); //12
//TODO: Read attributes in the future
var refB = reader.BaseStream.Position;
var dataOffset = reader.ReadUInt32(); //16
var totalSize = reader.ReadUInt32(); //20
vertexBuffer.Attributes = new List <VertexAttribute>();
reader.BaseStream.Position = refA + attributeOffset;
for (var j = 0; j < attributeCount; j++)
{
var previousPosition = reader.BaseStream.Position;
var attribute = default(VertexAttribute);
attribute.Name = reader.ReadNullTermString(Encoding.UTF8).ToUpperInvariant();
// Offset is always 40 bytes from the start
reader.BaseStream.Position = previousPosition + 36;
attribute.Type = (DXGI_FORMAT)reader.ReadUInt32();
attribute.Offset = reader.ReadUInt32();
// There's unusual amount of padding in attributes
reader.BaseStream.Position = previousPosition + 56;
vertexBuffer.Attributes.Add(attribute);
}
reader.BaseStream.Position = refB + dataOffset;
var vertexBufferBytes = reader.ReadBytes((int)totalSize);
if (totalSize == decompressedSize)
{
vertexBuffer.Buffer = vertexBufferBytes;
}
else
{
vertexBuffer.Buffer = MeshOptimizerVertexDecoder.DecodeVertexBuffer((int)vertexBuffer.Count, (int)vertexBuffer.Size, vertexBufferBytes);
}
VertexBuffers.Add(vertexBuffer);
reader.BaseStream.Position = refB + 4 + 4; //Go back to the vertex array to read the next iteration
}
reader.BaseStream.Position = Offset + 8 + indexBufferOffset; //8 to take into account vertexOffset / count
for (var i = 0; i < indexBufferCount; i++)
{
var indexBuffer = default(IndexBuffer);
indexBuffer.Count = reader.ReadUInt32(); //0
indexBuffer.Size = reader.ReadUInt32(); //4
var decompressedSize = indexBuffer.Count * indexBuffer.Size;
var unknown1 = reader.ReadUInt32(); //8
var unknown2 = reader.ReadUInt32(); //12
var refC = reader.BaseStream.Position;
var dataOffset = reader.ReadUInt32(); //16
var dataSize = reader.ReadUInt32(); //20
reader.BaseStream.Position = refC + dataOffset;
if (dataSize == decompressedSize)
{
indexBuffer.Buffer = reader.ReadBytes((int)dataSize);
}
else
{
indexBuffer.Buffer = MeshOptimizerIndexDecoder.DecodeIndexBuffer((int)indexBuffer.Count, (int)indexBuffer.Size, reader.ReadBytes((int)dataSize));
}
IndexBuffers.Add(indexBuffer);
reader.BaseStream.Position = refC + 4 + 4; //Go back to the index array to read the next iteration.
}
}
