public int Add(FbxNode pNode, FbxMatrix pMatrix, bool pLocalMatrix, bool pMultipleBindPose)
{
int ret = NativeMethods.FbxPose_Add__SWIG_0(swigCPtr, FbxNode.getCPtr(pNode), FbxMatrix.getCPtr(pMatrix), pLocalMatrix, pMultipleBindPose);
if (NativeMethods.SWIGPendingException.Pending)
{
throw NativeMethods.SWIGPendingException.Retrieve();
}
return(ret);
}
public int Add(FbxNode pNode, FbxMatrix pMatrix)
{
int ret = NativeMethods.FbxPose_Add__SWIG_2(swigCPtr, FbxNode.getCPtr(pNode), FbxMatrix.getCPtr(pMatrix));
if (NativeMethods.SWIGPendingException.Pending)
{
throw NativeMethods.SWIGPendingException.Retrieve();
}
return(ret);
}
/// <summary>
/// Export bones of skinned mesh
/// </summary>
protected bool ExportSkeleton(MeshInfo meshInfo, FbxScene fbxScene, FbxNode fbxParentNode,
ref Dictionary <Transform, FbxNode> boneNodes)
{
SkinnedMeshRenderer unitySkinnedMeshRenderer
= meshInfo.renderer as SkinnedMeshRenderer;
if (unitySkinnedMeshRenderer.bones.Length <= 0)
{
return(false);
}
Dictionary <Transform, Matrix4x4> boneBindPose = new Dictionary <Transform, Matrix4x4>();
for (int boneIndex = 0; boneIndex < unitySkinnedMeshRenderer.bones.Length; boneIndex++)
{
Transform unityBoneTransform = unitySkinnedMeshRenderer.bones [boneIndex];
FbxNode fbxBoneNode = FbxNode.Create(fbxScene, unityBoneTransform.name);
// Create the node's attributes
FbxSkeleton fbxSkeleton = FbxSkeleton.Create(fbxScene, unityBoneTransform.name + "_Skel");
var fbxSkeletonType = FbxSkeleton.EType.eLimbNode;
if (unityBoneTransform == unityBoneTransform.root || fbxParentNode.GetName().Equals(unityBoneTransform.parent.name))
{
fbxSkeletonType = FbxSkeleton.EType.eRoot;
}
fbxSkeleton.SetSkeletonType(fbxSkeletonType);
fbxSkeleton.Size.Set(1.0f);
// Set the node's attribute
fbxBoneNode.SetNodeAttribute(fbxSkeleton);
boneBindPose.Add(unityBoneTransform, meshInfo.BindPoses [boneIndex]);
// save relatation between unity transform and fbx bone node for skinning
boneNodes [unityBoneTransform] = fbxBoneNode;
}
// set the hierarchy for the FbxNodes
foreach (KeyValuePair <Transform, FbxNode> t in boneNodes)
{
Matrix4x4 pose;
// if this is a root node then don't need to do anything
if (t.Key == t.Key.root || !boneNodes.ContainsKey(t.Key.parent))
{
fbxParentNode.AddChild(t.Value);
pose = boneBindPose[t.Key].inverse; // assuming parent is identity matrix
}
else
{
boneNodes [t.Key.parent].AddChild(t.Value);
// inverse of my bind pose times parent bind pose
pose = boneBindPose[t.Key.parent] * boneBindPose[t.Key].inverse;
}
// use FbxMatrix to get translation and rotation relative to parent
FbxMatrix matrix = new FbxMatrix();
matrix.SetColumn(0, new FbxVector4(pose.GetRow(0).x, pose.GetRow(0).y, pose.GetRow(0).z, pose.GetRow(0).w));
matrix.SetColumn(1, new FbxVector4(pose.GetRow(1).x, pose.GetRow(1).y, pose.GetRow(1).z, pose.GetRow(1).w));
matrix.SetColumn(2, new FbxVector4(pose.GetRow(2).x, pose.GetRow(2).y, pose.GetRow(2).z, pose.GetRow(2).w));
matrix.SetColumn(3, new FbxVector4(pose.GetRow(3).x, pose.GetRow(3).y, pose.GetRow(3).z, pose.GetRow(3).w));
FbxVector4 translation, rotation, shear, scale;
double sign;
matrix.GetElements(out translation, out rotation, out shear, out scale, out sign);
// Negating the x value of the translation, and the y and z values of the prerotation
// to convert from Unity to Maya coordinates (left to righthanded)
t.Value.LclTranslation.Set(new FbxDouble3(-translation.X, translation.Y, translation.Z));
t.Value.LclRotation.Set(new FbxDouble3(0, 0, 0));
t.Value.LclScaling.Set(new FbxDouble3(scale.X, scale.Y, scale.Z));
t.Value.SetRotationActive(true);
t.Value.SetPivotState(FbxNode.EPivotSet.eSourcePivot, FbxNode.EPivotState.ePivotReference);
t.Value.SetPreRotation(FbxNode.EPivotSet.eSourcePivot, new FbxVector4(rotation.X, -rotation.Y, -rotation.Z));
}
return(true);
}
