public static void Serialize(this SerializingContainer2 sc, ref SkeletalMeshVertexBuffer svb)
{
if (sc.IsLoading)
{
svb = new SkeletalMeshVertexBuffer();
}
if (sc.Game == MEGame.UDK)
{
sc.Serialize(ref svb.NumTexCoords);
}
sc.Serialize(ref svb.bUseFullPrecisionUVs);
if (svb.bUseFullPrecisionUVs)
{
throw new Exception($"SkeletalMesh is using Full precision UVs! Mesh in: {sc.Pcc.FilePath}");
}
if (sc.Game >= MEGame.ME3)
{
sc.Serialize(ref svb.bUsePackedPosition);
if (svb.bUseFullPrecisionUVs)
{
throw new Exception($"SkeletalMesh is using PackedPosition vertices! Mesh in: {sc.Pcc.FilePath}");
}
sc.Serialize(ref svb.MeshExtension);
sc.Serialize(ref svb.MeshOrigin);
}
int elementSize = 32;
sc.Serialize(ref elementSize);
sc.Serialize(ref svb.VertexData, Serialize);
}
public static void Serialize(this SerializingContainer2 sc, ref SkeletalMeshVertexBuffer svb)
{
if (sc.IsLoading)
{
svb = new SkeletalMeshVertexBuffer();
}
if (sc.Game == MEGame.UDK)
{
svb.bUsePackedPosition = true;
}
else
{
svb.bUsePackedPosition = false;
svb.bUseFullPrecisionUVs = false;
}
if (sc.Game == MEGame.UDK)
{
svb.NumTexCoords = 1;
sc.Serialize(ref svb.NumTexCoords);
}
else if (sc.IsLoading)
{
svb.NumTexCoords = 1;
}
sc.Serialize(ref svb.bUseFullPrecisionUVs);
if (sc.Game >= MEGame.ME3)
{
sc.Serialize(ref svb.bUsePackedPosition);
sc.Serialize(ref svb.MeshExtension);
sc.Serialize(ref svb.MeshOrigin);
}
int elementSize = 32;
sc.Serialize(ref elementSize);
//vertexData
int count = svb.VertexData?.Length ?? 0;
sc.Serialize(ref count);
if (sc.IsLoading)
{
svb.VertexData = new GPUSkinVertex[count];
}
for (int j = 0; j < count; j++)
{
ref GPUSkinVertex gsv = ref svb.VertexData[j];
if (sc.IsLoading)
{
gsv = new GPUSkinVertex();
}
if (sc.Game == MEGame.ME2)
{
sc.Serialize(ref gsv.Position);
}
sc.Serialize(ref gsv.TangentX);
sc.Serialize(ref gsv.TangentZ);
for (int i = 0; i < 4; i++)
{
sc.Serialize(ref gsv.InfluenceBones[i]);
}
for (int i = 0; i < 4; i++)
{
sc.Serialize(ref gsv.InfluenceWeights[i]);
}
if (sc.Game >= MEGame.ME3)
{
if (false)
{
if (sc.IsLoading)
{
uint packedPos = sc.ms.ReadUInt32();
gsv.Position = new Vector3(packedPos.bits(31, 21) / 1023f,
packedPos.bits(20, 10) / 1023f,
packedPos.bits(9, 0) / 1023f) * svb.MeshExtension + svb.MeshOrigin;
}
else
{
Vector3 pos = (gsv.Position - svb.MeshOrigin) - svb.MeshExtension; //puts values in -1.0 to 1.0 range
uint x;
uint y;
uint z;
unchecked
{
x = (uint)Math.Truncate(pos.X * 1023.0).ToInt32().Clamp(-1023, 1023) << 21;
y = (uint)Math.Truncate(pos.Y * 1023.0).ToInt32().Clamp(-1023, 1023) << 21 >> 11;
z = (uint)Math.Truncate(pos.Z * 1023.0).ToInt32().Clamp(-1023, 1023) << 22 >> 22;
}
sc.ms.WriteUInt32(x | y | z);
}
}
else
{
sc.Serialize(ref gsv.Position);
}
}
if (svb.bUseFullPrecisionUVs)
{
Vector2 fullUV = gsv.UV;
sc.Serialize(ref fullUV);
gsv.UV = fullUV;
}
else
{
sc.Serialize(ref gsv.UV);
}
if (svb.NumTexCoords > 1)
{
if (sc.IsLoading)
{
sc.ms.Skip((svb.NumTexCoords - 1) * (svb.bUseFullPrecisionUVs ? 8 : 4));
}
else
{
throw new Exception("Should never be saing more than one UV!");
}
}
}
