private static BlendShapeData MergeBlendShapes([NotNull, ItemNotNull] IReadOnlyList <PrettyMesh> meshes)
{
var vertices = new List <BlendShapeVertex>();
var shapes = new List <MeshBlendShape>();
var channels = new List <MeshBlendShapeChannel>();
var weights = new List <float>();
uint meshVertexIndexStart = 0;
var totalFrameCount = 0;
uint totalVertexCount = 0;
foreach (var mesh in meshes)
{
var meshShape = mesh.Shape;
if (meshShape != null)
{
var channelFrameCount = 0;
foreach (var channel in meshShape.Channels)
{
var chan = new MeshBlendShapeChannel(channel.Name, channel.NameHash, channel.FrameIndex + totalFrameCount, channel.FrameCount);
channelFrameCount += channel.FrameCount;
channels.Add(chan);
}
totalFrameCount += channelFrameCount;
weights.AddRange(meshShape.FullWeights);
uint shapeVertexCount = 0;
foreach (var s in meshShape.Shapes)
{
var shape = new MeshBlendShape(s.FirstVertex + totalVertexCount, s.VertexCount, s.HasNormals, s.HasTangents);
shapeVertexCount += s.VertexCount;
shapes.Add(shape);
}
totalVertexCount += shapeVertexCount;
foreach (var v in meshShape.Vertices)
{
var vertex = new BlendShapeVertex(v.Vertex, v.Normal, v.Tangent, v.Index + meshVertexIndexStart);
vertices.Add(vertex);
}
}
meshVertexIndexStart += (uint)mesh.VertexCount;
}
return(new BlendShapeData(vertices.ToArray(), shapes.ToArray(), channels.ToArray(), weights.ToArray()));
}
internal BlendShapeData([NotNull] AssetStudio.BlendShapeData data)
{
{
var vertexCount = data.vertices.Length;
var vertices = new BlendShapeVertex[vertexCount];
for (var i = 0; i < vertexCount; i += 1)
{
vertices[i] = new BlendShapeVertex(data.vertices[i]);
}
Vertices = vertices;
}
{
var shapeCount = data.shapes.Length;
var shapes = new MeshBlendShape[shapeCount];
for (var i = 0; i < shapeCount; i += 1)
{
shapes[i] = new MeshBlendShape(data.shapes[i]);
}
Shapes = shapes;
}
{
var channelCount = data.channels.Length;
var channels = new MeshBlendShapeChannel[channelCount];
for (var i = 0; i < channelCount; i += 1)
{
channels[i] = new MeshBlendShapeChannel(data.channels[i]);
}
Channels = channels;
}
FullWeights = (float[])data.fullWeights.Clone();
}