private static VertexData GenerateVertexData(IExportContainer container, Mesh origin)
{
Vector3f[] normals = origin.Normals;
Vector4f[] tangents = origin.Tangents;
if (Mesh.HasTangentSpace(container.Version))
{
normals = TangentConverter.GenerateNormals(origin.TangentSpace);
tangents = TangentConverter.GenerateTangents(origin.TangentSpace);
}
VertexData instance = new VertexData();
bool hasVertices = origin.Vertices.Length > 0;
bool hasNormals = normals.Length > 0;
bool hasColors = origin.Colors.Length > 0;
bool hasUV0 = origin.UV.Length > 0;
bool hasUV1 = Mesh.HasUV1(container.Version) && origin.UV1.Length > 0;
bool hasTangents = tangents.Length > 0;
bool hasChannels = VertexData.HasChannels(container.ExportVersion);
if (hasChannels)
{
int channelCount = ShaderChannelExtensions.GetChannelCount(container.ExportVersion);
instance.Channels = new ChannelInfo[channelCount];
}
byte stride = 0;
BitArray curChannels = new BitArray(32);
if (hasVertices)
{
int index = ShaderChannel.Vertex.ToChannel(container.ExportVersion);
curChannels.Set(index, true);
if (hasChannels)
{
byte format = ShaderChannel.Vertex.GetVertexFormat(container.ExportVersion).ToFormat(container.ExportVersion);
byte dimention = ShaderChannel.Vertex.GetDimention(container.ExportVersion);
instance.Channels[index] = new ChannelInfo(0, stride, format, dimention);
}
stride += ShaderChannel.Vertex.GetStride(container.ExportVersion);
}
if (hasNormals)
{
int index = ShaderChannel.Normal.ToChannel(container.ExportVersion);
curChannels.Set(index, true);
if (hasChannels)
{
byte format = ShaderChannel.Normal.GetVertexFormat(container.ExportVersion).ToFormat(container.ExportVersion);
byte dimention = ShaderChannel.Normal.GetDimention(container.ExportVersion);
instance.Channels[index] = new ChannelInfo(0, stride, format, dimention);
}
stride += ShaderChannel.Normal.GetStride(container.ExportVersion);
}
if (hasColors)
{
int index = ShaderChannel.Color.ToChannel(container.ExportVersion);
curChannels.Set(index, true);
if (hasChannels)
{
byte format = ShaderChannel.Color.GetVertexFormat(container.ExportVersion).ToFormat(container.ExportVersion);
byte dimention = ShaderChannel.Color.GetDimention(container.ExportVersion);
instance.Channels[index] = new ChannelInfo(0, stride, format, dimention);
}
stride += ShaderChannel.Color.GetStride(container.ExportVersion);
}
if (hasUV0)
{
int index = ShaderChannel.UV0.ToChannel(container.ExportVersion);
curChannels.Set(index, true);
if (hasChannels)
{
byte format = ShaderChannel.UV0.GetVertexFormat(container.ExportVersion).ToFormat(container.ExportVersion);
byte dimention = ShaderChannel.UV0.GetDimention(container.ExportVersion);
instance.Channels[index] = new ChannelInfo(0, stride, format, dimention);
}
stride += ShaderChannel.UV0.GetStride(container.ExportVersion);
}
if (hasUV1)
{
int index = ShaderChannel.UV1.ToChannel(container.ExportVersion);
curChannels.Set(index, true);
if (hasChannels)
{
byte format = ShaderChannel.UV1.GetVertexFormat(container.ExportVersion).ToFormat(container.ExportVersion);
byte dimention = ShaderChannel.UV1.GetDimention(container.ExportVersion);
instance.Channels[index] = new ChannelInfo(0, stride, format, dimention);
}
stride += ShaderChannel.UV1.GetStride(container.ExportVersion);
}
if (hasTangents)
{
int index = ShaderChannel.Tangent.ToChannel(container.ExportVersion);
curChannels.Set(index, true);
if (hasChannels)
{
byte format = ShaderChannel.Tangent.GetVertexFormat(container.ExportVersion).ToFormat(container.ExportVersion);
byte dimention = ShaderChannel.Tangent.GetDimention(container.ExportVersion);
instance.Channels[index] = new ChannelInfo(0, stride, format, dimention);
}
stride += ShaderChannel.Tangent.GetStride(container.ExportVersion);
}
if (VertexData.HasCurrentChannels(container.ExportVersion))
{
instance.CurrentChannels = curChannels.ToUInt32();
}
instance.VertexCount = origin.Vertices.Length;
if (VertexData.HasStreams(container.ExportVersion))
{
StreamInfo info = new StreamInfo(instance.CurrentChannels, 0, stride);
if (VertexData.IsStreamStatic(container.ExportVersion))
{
instance.Streams = new StreamInfo[] { info, default, default, default, };
private static Vector4f[] GetTangents(IExportContainer container, Mesh origin)
{
return(Mesh.HasTangentSpace(container.Version) ? TangentConverter.GenerateTangents(origin.TangentSpace) : origin.Tangents.ToArray());
}