//const int maxNameLength = 40;
//static void AppendName(ref string name1, string name2)
//{
// if (name1.Length < maxNameLength)
// {
// name1 = name1 + " + " + name2;
// if (name1.Length >= maxNameLength) //no more append
// name1 += " + ...";
// }
//}
//void MergeGeometriesByMaterials()
//{
// int mergedCount = 0;
// for (int i = 0; i < Geometries.Count; i++)
// {
// MeshData g1 = Geometries[i];
// if(g1 == null)
// continue;
// for (int j = i + 1; j < Geometries.Count; j++)
// {
// MeshData g2 = Geometries[j];
// if (g2 != null && g1.MaterialIndex == g2.MaterialIndex && g1.VertexComponents == g2.VertexComponents && g1.PolygonSize == g2.PolygonSize)
// {
// var newVertices = new VertexInfo[g1.Vertices.Length + g2.Vertices.Length];
// g1.Vertices.CopyTo(newVertices, 0);
// g2.Vertices.CopyTo(newVertices, g1.Vertices.Length);
// g1.Vertices = newVertices;
// g1.ClearCache(); //No longer valid
// AppendName(ref g1.Name, g2.Name);
// //m1.NormalsSource remains from first
// Geometries[j] = null;
// mergedCount++;
// }
// }
// }
// int count = Geometries.Count - mergedCount;
// var res = new List<MeshData>(count);
// for (int i = 0; i < count; i++)
// if (Geometries[i] != null)
// res.Add(Geometries[i]);
// Geometries = res;
//}
static void FillBoneAssignments(MeshData data, Skeleton skeleton)
{
if (skeleton == null)
{
for (int i = 0; i < data.Vertices.Length; i++)
{
data.Vertices[i].Vertex.BlendIndices = new Vector4I(-1, -1, -1, -1);
}
}
data.VertexComponents |= StandardVertex.Components.BlendIndices | StandardVertex.Components.BlendWeights;
Dictionary <int, BoneAssignment> boneAssignments = ProcessSkeleton.GetBoneAssignments(data.Mesh, skeleton);
if (boneAssignments != null)
{
for (int i = 0; i < data.Vertices.Length; i++)
{
ref VertexInfo v = ref data.Vertices[i];
if (boneAssignments.TryGetValue(v.ControlPointIndex, out BoneAssignment ba))
{
FbxMath.ConvertBoneAssignment(ref ba, out v.Vertex.BlendIndices, out v.Vertex.BlendWeights);
}
else
{
v.Vertex.BlendIndices = new Vector4I(-1, -1, -1, -1);
}
}
}
static void ReadColor(MeshData data)
{
FbxLayerElementVertexColor pVertexColors = data.Mesh.GetElementVertexColor();
if (pVertexColors == null)
{
for (int i = 0; i < data.Vertices.Length; i++)
{
data.Vertices[i].Vertex.Color = new ColorValue(1, 1, 1);
}
return;
}
var mappingMode = pVertexColors.GetMappingMode();
if (!CheckPolygonVertexOrControlPoint(mappingMode))
{
FbxImportLog.LogWarning(data.Node, $"has unsupported VertexColors mapping mode: {pVertexColors.GetMappingMode()}");
return;
}
data.VertexComponents |= StandardVertex.Components.Color;
var indexArray = pVertexColors.GetReferenceMode() != FbxLayerElement.EReferenceMode.eDirect ? pVertexColors.GetIndexArray() : null;
var directArray = pVertexColors.GetDirectArray();
for (int i = 0; i < data.Vertices.Length; i++)
{
ref VertexInfo vertex = ref data.Vertices[i];
FbxColor color = null;
switch (pVertexColors.GetMappingMode())
{
case FbxLayerElement.EMappingMode.eByPolygonVertex:
color = directArray.GetAt(indexArray?.GetAt(vertex.PolygonVertexIndex) ?? vertex.PolygonVertexIndex);
break;
case FbxLayerElement.EMappingMode.eByControlPoint:
color = directArray.GetAt(indexArray?.GetAt(vertex.ControlPointIndex) ?? vertex.ControlPointIndex);
break;
}
data.Vertices[i].Vertex.Color = color?.ToColorValue() ?? new ColorValue(1, 1, 1);
}
