private Submesh3D ImportSubmesh(FbxSubmesh meshAttribute, FbxImporter.FbxNode node)
{
var sm = new Submesh3D();
sm.Mesh = new Mesh <Mesh3D.Vertex> {
Vertices = meshAttribute.Vertices,
Indices = meshAttribute.Indices.Select(index => checked ((ushort)index)).ToArray(),
AttributeLocations = new[] {
ShaderPrograms.Attributes.Pos1,
ShaderPrograms.Attributes.Color1,
ShaderPrograms.Attributes.UV1,
ShaderPrograms.Attributes.BlendIndices,
ShaderPrograms.Attributes.BlendWeights,
ShaderPrograms.Attributes.Normal
}
};
sm.Material = meshAttribute.MaterialIndex != -1 ?
CreateLimeMaterial(node.Materials[meshAttribute.MaterialIndex], path, target) : FbxMaterial.Default;
if (meshAttribute.Bones.Length > 0)
{
foreach (var bone in meshAttribute.Bones)
{
sm.BoneNames.Add(bone.Name);
sm.BoneBindPoses.Add(bone.Offset);
}
}
return(sm);
}
public FbxScene(IntPtr ptr) : base(ptr)
{
var r = FbxSceneGetRootNode(NativePtr);
if (r == IntPtr.Zero)
{
throw new FbxImportException("An error has occured while parsing root node");
}
Root = new FbxNode(r);
Animations = new FbxSceneAnimations(ptr);
}
private Lime.Node ImportNodes(FbxNode root, Node parent = null)
{
Node3D node = null;
if (root == null)
{
return(null);
}
switch (root.Attribute.Type)
{
case FbxNodeAttribute.FbxNodeType.Mesh:
var meshAttribute = root.Attribute as FbxMeshAttribute;
var mesh = new Mesh3D {
Id = root.Name,
SkinningMode = meshAttribute.SkinningMode
};
foreach (var submesh in meshAttribute.Submeshes)
{
mesh.Submeshes.Add(ImportSubmesh(submesh, root));
}
node = mesh;
if (mesh.Submeshes.Count != 0)
{
mesh.SetLocalTransform(root.LocalTranform);
mesh.RecalcBounds();
mesh.RecalcCenter();
}
break;
case FbxNodeAttribute.FbxNodeType.Camera:
var cam = root.Attribute as FbxCameraAttribute;
node = new Camera3D {
Id = root.Name,
FieldOfView = cam.FieldOfView * Mathf.DegToRad,
AspectRatio = cam.AspectRatio,
NearClipPlane = cam.NearClipPlane,
FarClipPlane = cam.FarClipPlane,
ProjectionMode = cam.ProjectionMode,
OrthographicSize = cam.OrthoZoom,
};
node.SetLocalTransform(CorrectCameraTransform(root.LocalTranform));
break;
default:
node = new Node3D {
Id = root.Name
};
node.SetLocalTransform(root.LocalTranform);
break;
}
if (node != null)
{
if (parent != null)
{
parent.Nodes.Add(node);
}
foreach (var child in root.Children)
{
ImportNodes(child, node);
}
}
return(node);
}
