public static DestinyItemArrangement Load(BinaryReader reader)
{
var arrangement = new DestinyItemArrangement();
// read bobs
int bobCount = reader.ReadInt32();
arrangement.Bobs = Enumerable.Range(0, bobCount)
.Select(i => DestinyItemBob.Load(reader)).ToList();
// read arrangement ID
arrangement.Id = reader.ReadString();
// read textures
int plateSetCount = reader.ReadInt32();
if (plateSetCount > 0)
{
arrangement.DiffuseTexture = reader.ReadBytes(reader.ReadInt32());
arrangement.NormalTexture = reader.ReadBytes(reader.ReadInt32());
arrangement.GearstackTexture = reader.ReadBytes(reader.ReadInt32());
}
return(arrangement);
}
public static DestinyItemBob Load(BinaryReader reader)
{
var bob = new DestinyItemBob();
// read texture coordinate scale and offset
var textureScale = new Vector2(reader.ReadSingle(), reader.ReadSingle());
var textureOffset = new Vector2(reader.ReadSingle(), reader.ReadSingle());
// read bob header
int bitCount = reader.ReadInt32();
if (bitCount == 0)
{
return(bob);
}
bob.IsTriangleList = reader.ReadInt32() == 3;
int vertexCount = reader.ReadInt32();
// read index buffer
int indexCount = reader.ReadInt32();
bob.Indices = Enumerable.Range(0, indexCount)
.Select(i => (int)reader.ReadInt16()).ToArray();
// read vertices
int vertexBufferCount = reader.ReadInt32();
bob.Vertices = Enumerable.Range(0, vertexCount)
.Select(i => new DestinyItemVertex()).ToArray();
for (int i = 0; i < vertexBufferCount; i++)
{
int elementCount = reader.ReadInt32();
var elements = Enumerable.Range(0, elementCount).Select(
e => DestinyItemStreamElement.Load(reader)).ToList();
foreach (var vertex in bob.Vertices)
{
foreach (var element in elements)
{
element.ModifyVertex(vertex, element.ReadValue(reader));
}
}
}
// post-process vertices
foreach (var vertex in bob.Vertices)
{
var normalizedUV = (vertex.UV * 2f) - Vector2.one;
var transformedUV = (normalizedUV * textureScale) + textureOffset;
vertex.SetUV(new Vector2(transformedUV.x, 1f - transformedUV.y));
}
// read bits
bob.Bits = Enumerable.Range(0, bitCount)
.Select(i => DestinyItemBit.Load(reader)).ToList();
return(bob);
}
