public bool ExportSkinnedMeshToFBX(SkeletonAsset skeleton, MeshAsset mesh, int lodIndex, String targetdir, bool asOne)
{
FBXManager lSdkManager = new FBXManager();
FBXScene lScene = new FBXScene();
FBXHelper.InitializeSdkObjects(lSdkManager, lScene);
FBXNode SceneRoot = lScene.GetRootNode();
FBXNode lSkeletonRoot = CreateFbxSkeleton(skeleton, lScene);
SceneRoot.AddChild(lSkeletonRoot);
if (asOne)
{
FBXNode fbxMesh = CreateFbxMesh(mesh.lods[lodIndex], lScene);
CreateMeshSkinning(skeleton, mesh.lods[lodIndex], fbxMesh, lSkeletonRoot, lScene);
SceneRoot.AddChild(fbxMesh);
StoreRestPose(lScene, lSkeletonRoot, skeleton);
}
else
{
for (int i = 0; i < mesh.lods[lodIndex].sections.Count; i++)
{
FBXNode CurrentSectionMesh = CreateFbxMesh(mesh.lods[lodIndex].sections[i], lScene);
CreateMeshSkinning(skeleton, mesh.lods[lodIndex].sections[i], CurrentSectionMesh, lSkeletonRoot, lScene);
SceneRoot.AddChild(CurrentSectionMesh);
StoreBindPose(lScene, CurrentSectionMesh);
}
}
return(SaveScene(targetdir, lSdkManager, lScene));
}
public void ExportSkeletalMeshToFbx(MESkeletalMesh mesh, string meshName, string targetdir)
{
FBXManager lSdkManager = new FBXManager();
FBXScene lScene = new FBXScene();
FBXHelper.InitializeSdkObjects(lSdkManager, lScene);
FBXNode SceneRoot = lScene.GetRootNode();
FBXNode lSkeletonRoot = CreateFbxSkeleton(mesh.Bones, lScene);
SceneRoot.AddChild(lSkeletonRoot);
try
{
FBXNode fbxMesh = CreateFbxMesh(mesh, meshName, lScene);
CreateMeshSkinning(mesh, 0, fbxMesh, lSkeletonRoot, lScene);
SceneRoot.AddChild(fbxMesh);
//StoreRestPose(lScene, lSkeletonRoot, skeleton);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
bool lResult = FBXHelper.SaveScene(lSdkManager, lScene, targetdir);
FBXHelper.DestroySdkObjects(lSdkManager, lResult);
}
private void StoreRestPose(FBXScene pScene, FBXNode pSkeletonRoot, SkeletonAsset Skeleton)
{
Dictionary <String, FBBone> pose = Skeleton.ModelBones;
FBXAMatrix lTransformMatrix = new FBXAMatrix();
FBXVector4 lT, lR, lS;
lS = new FBXVector4(1.0, 1.0, 1.0, 0);
FBXPose lPose = FBXPose.Create(pScene, "A Bind Pose");
lT = new FBXVector4();
lR = new FBXVector4();
lTransformMatrix.SetTRS(lT, lR, lS);
FBXNode lKFbxNode = pSkeletonRoot;
lPose.Add(lKFbxNode, lTransformMatrix);
foreach (string key in pose.Keys)
{
FBBone bonePose = pose[key];
FBXNode fbxBone = pSkeletonRoot.FindChild(key);
FBXVector4 Forward = new FBXVector4(bonePose.Forward.members[0], bonePose.Forward.members[1], bonePose.Forward.members[2], 0);
FBXVector4 Right = new FBXVector4(bonePose.Right.members[0], bonePose.Right.members[1], bonePose.Right.members[2], 0);
FBXVector4 Up = new FBXVector4(bonePose.Up.members[0], bonePose.Up.members[1], bonePose.Up.members[2], 0);
FBXVector4 Trans = new FBXVector4(bonePose.Location.members[0] * exportScale, bonePose.Location.members[1] * exportScale, bonePose.Location.members[2] * exportScale, 1);
FBXAMatrix boneTransform = new FBXAMatrix();
boneTransform.SetRow(0, Right);
boneTransform.SetRow(1, Up);
boneTransform.SetRow(2, Forward);
boneTransform.SetRow(3, Trans);
lPose.Add(fbxBone, boneTransform);
}
lPose.SetIsBindPose(true);
pScene.AddPose(lPose);
}
private void AddMorphToMesh(FBXScene pScene, FBXNode pFbxNode, List <Vector> morph)
{
FBXShape lShape = FBXShape.Create(pScene, "MorphShape");
FBXMesh mesh = (FBXMesh)pFbxNode.GetMesh();
int count = mesh.GetControlPointsCount();
lShape.InitControlPoints(count);
List <FBXVector4> lControlPoints = lShape.GetControlPoints();
for (int i = 0; i < count; i++)
{
FBXVector4 cp = new FBXVector4(morph[i].members[0] * exportScale,
morph[i].members[1] * exportScale,
morph[i].members[2] * exportScale,
0);
lControlPoints[i] = cp;
}
lShape.SetControlPoints(lControlPoints);
FBXBlendShape lBlendShape = FBXBlendShape.Create(pScene, "morph");
FBXBlendShapeChannel lBlendShapeChannel = FBXBlendShapeChannel.Create(pScene, "morphchannel");
mesh.AddDeformer(lBlendShape);
lBlendShape.AddBlendShapeChannel(lBlendShapeChannel);
lBlendShapeChannel.AddTargetShape(lShape);
}
// skinning
private void CreateMeshSkinning(Dictionary <string, List <VertexWeight> > vg, FBXNode pFbxMesh, FBXNode pSkeletonRoot, FBXScene pScene)
{
FBXSkin lFbxSkin = FBXSkin.Create(pScene, "");
FBXAMatrix lMeshMatTransform = pFbxMesh.EvaluateGlobalTransform();
foreach (string key in vg.Keys)
{
List <VertexWeight> bvg = vg[key];
FBXCluster lCluster = FBXCluster.Create(pScene, key);
FBXNode lFbxBone = pSkeletonRoot.FindChild(key);
if (lFbxBone != null)
{
lCluster.SetLink(lFbxBone);
foreach (VertexWeight v in bvg)
{
lCluster.AddControlPointIndex(v.vertexIndex, v.weight);
}
lFbxSkin.AddCluster(lCluster);
lCluster.SetTransformMatrix(lMeshMatTransform);
FBXAMatrix lBoneMatTransform = lFbxBone.EvaluateGlobalTransform();
lCluster.SetTransformLinkMatrix(lBoneMatTransform);
}
}
FBXGeometry lFbxMeshAtt = (FBXGeometry)pFbxMesh.GetNodeAttribute().ToGeometry();
if (lFbxMeshAtt != null)
{
lFbxMeshAtt.AddDeformer(lFbxSkin);
}
}
private void StoreBindPose(FBXScene pScene, FBXNode pMesh)
{
List <FBXNode> lClusteredFbxNodes = new List <FBXNode>();
int i, j;
FBXNodeAttribute att = pMesh.GetNodeAttribute();
if (pMesh != null && att != null)
{
int lSkinCount = 0;
int lClusterCount = 0;
switch (pMesh.GetNodeAttribute().GetAttributeType())
{
default:
break;
case NodeAttribType.eMesh:
case NodeAttribType.eNurbs:
case NodeAttribType.ePatch:
FBXGeometry geo = (FBXGeometry)att.ToGeometry();
lSkinCount = geo.GetDeformerCount(EDeformerType.eSkin);
for (i = 0; i < lSkinCount; ++i)
{
FBXSkin lSkin = geo.GetSkinDeformer(i);
lClusterCount += lSkin.GetClusterCount();
}
break;
}
if (lClusterCount != 0)
{
for (i = 0; i < lSkinCount; ++i)
{
FBXGeometry geo = (FBXGeometry)att.ToGeometry();
FBXSkin lSkin = geo.GetSkinDeformer(i);
lClusterCount = lSkin.GetClusterCount();
for (j = 0; j < lClusterCount; ++j)
{
FBXNode lClusterNode = lSkin.GetClusterLink(j);
AddNodeRecursively(lClusteredFbxNodes, lClusterNode);
}
}
lClusteredFbxNodes.Add(pMesh);
}
}
if (lClusteredFbxNodes.Count != 0)
{
FBXPose lPose = FBXPose.Create(pScene, "pose");
lPose.SetIsBindPose(true);
for (i = 0; i < lClusteredFbxNodes.Count; i++)
{
FBXNode lKFbxNode = lClusteredFbxNodes[i];
FBXAMatrix lBindMatrix = lKFbxNode.EvaluateGlobalTransform();
lPose.Add(lKFbxNode, lBindMatrix);
}
pScene.AddPose(lPose);
}
}
/// <summary>
///
/// </summary>
/// <param name="sceneInstance">The fbx scene</param>
private static void DisplayHierarachy(FBXScene sceneInstance)
{
if (sceneInstance == null)
{
throw new ArgumentNullException("The scene is invalid. Check and try again.");
}
FBXNode rootNode = sceneInstance.GetRootNode();
DisplayHierarchyRecursive(rootNode, 0);
}
private void UpdateSkeletonWithMorph(Unreal.BioMorphFace morph, FBXNode pSkeletonNode)
{
foreach (var bo in morph.BonesOffset)
{
FBXNode fbxBone = pSkeletonNode.FindChild(bo.BoneName);
List <double> tmp = fbxBone.LclTranslation;
tmp[0] = bo.Offset.X;
tmp[1] = -bo.Offset.Y;
tmp[2] = bo.Offset.Z;
fbxBone.LclTranslation = tmp;
}
}
private FBXNode CreateFbxMesh(MeshLodSection section, FBXScene pScene)
{
FBXMesh fbxMesh = FBXMesh.Create(pScene, section.matName);
FBXGeometryElementNormal lGeometryElementNormal = fbxMesh.CreateElementNormal();
lGeometryElementNormal.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
FBXGeometryElementBinormal lGeometryElementBiNormal = fbxMesh.CreateElementBinormal();
lGeometryElementBiNormal.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
FBXGeometryElementTangent lGeometryElementTangent = fbxMesh.CreateElementTangent();
lGeometryElementTangent.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
fbxMesh.InitControlPoints(section.vertices.Count);
FBXGeometryElementMaterial lMaterialElement = fbxMesh.CreateElementMaterial();
lMaterialElement.SetMappingMode(FBXWrapper.MappingMode.eByPolygon);
lMaterialElement.SetReferenceMode(FBXWrapper.ReferenceMode.eIndexToDirect);
FBXGeometryElementUV lUVDiffuseElement = fbxMesh.CreateElementUV(section.matName);
lUVDiffuseElement.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
lUVDiffuseElement.SetReferenceMode(FBXWrapper.ReferenceMode.eIndexToDirect);
lUVDiffuseElement.SetIndexArrayCount(section.vertices.Count);
for (int j = 0; j < section.vertices.Count; j++)
{
FBXVector4 position = new FBXVector4(section.vertices[j].position.members[0] * exportScale, section.vertices[j].position.members[1] * exportScale, section.vertices[j].position.members[2] * exportScale, 0);
FBXVector4 normal = new FBXVector4(section.vertices[j].normals.members[0], section.vertices[j].normals.members[1], section.vertices[j].normals.members[2], section.vertices[j].normals.members[3]);
FBXVector4 textCoords = new FBXVector4(section.vertices[j].texCoords.members[0], (-section.vertices[j].texCoords.members[1] + 1), 0, 0);
FBXVector4 bitangent = new FBXVector4(section.vertices[j].biTangents.members[0], section.vertices[j].biTangents.members[1], section.vertices[j].biTangents.members[2], section.vertices[j].biTangents.members[3]);
FBXVector4 tangent = new FBXVector4(section.vertices[j].tangents.members[0], section.vertices[j].tangents.members[1], section.vertices[j].tangents.members[2], section.vertices[j].tangents.members[3]);
fbxMesh.SetControlPoint(j, position);
lGeometryElementNormal.Add(normal);
lGeometryElementBiNormal.Add(bitangent);
lGeometryElementTangent.Add(tangent);
lUVDiffuseElement.Add(textCoords);
}
for (int j = 0; j < section.indicies.Count; j++)
{
if (j % 3 == 0)
{
fbxMesh.EndPolygon();
fbxMesh.BeginPolygon();
}
fbxMesh.AddPolygon(section.indicies[j]);
}
fbxMesh.EndPolygon();
FBXNode lMeshNode = FBXNode.Create(pScene, section.matName);
lMeshNode.SetNodeAttribute(fbxMesh);
lMeshNode.AddMaterial(pScene, section.matName);
return(lMeshNode);
}
private void SetTransform(CSGGroup group, FBXNode node)
{
CSGVector position = new CSGVector();
group.GetPosition(group.Parent, -1, ref position);
position.Z *= -1;
node.LclTranslationSet(new FBXVector(position.X, position.Y, position.Z));
FBXVector eulerXYZRH = this.GetEulerXYZ(group, -1);
node.LclRotationSet(new FBXVector(eulerXYZRH.x, eulerXYZRH.y, eulerXYZRH.z));
}
private FBXNode CreateFbxSkeleton(List <MESkeletalMesh.BoneStruct> Bones, FBXScene pScene)
{
FBXSkeleton lSkeletonRootAttribute = FBXSkeleton.Create(pScene, "Skeleton");
lSkeletonRootAttribute.SetSkeletonType(FBXWrapper.SkelType.eRoot);
FBXNode lSkeletonRoot = FBXNode.Create(pScene, "Skeleton");
lSkeletonRoot.SetNodeAttribute(lSkeletonRootAttribute);
lSkeletonRoot.LclTranslation = new FBXVector4().ToList();
FBXNode FbxSkeletonRootNode = CreateFbxBone(0, Bones, pScene, lSkeletonRoot);
lSkeletonRoot.AddChild(FbxSkeletonRootNode);
return(lSkeletonRoot);
}
private void UpdateSkeletonWithMorph(SkeletonAsset Skeleton, FBXNode pSkeletonNode, List <Vector> morphBones)
{
for (int i = 0; i < Skeleton.Bones.Count; i++)
{
FBBone fbbone = Skeleton.Bones[i];
FBXNode fbxBone = pSkeletonNode.FindChild(fbbone.Name);
Vector boneOffset = morphBones[i];
List <double> tmp = fbxBone.LclTranslation;
tmp[0] += boneOffset.members[0] * exportScale;
tmp[1] += boneOffset.members[1] * exportScale;
tmp[2] += boneOffset.members[2] * exportScale;
fbxBone.LclTranslation = tmp;
}
}
private FBXNode CreateFbxSkeleton(SkeletonAsset Skeleton, FBXScene pScene)
{
FBXSkeleton lSkeletonRootAttribute = FBXSkeleton.Create(pScene, "Skeleton");
lSkeletonRootAttribute.SetSkeletonType(FBXWrapper.SkelType.eRoot);
FBXNode lSkeletonRoot = FBXNode.Create(pScene, "Skeleton");
lSkeletonRoot.SetNodeAttribute(lSkeletonRootAttribute);
lSkeletonRoot.LclTranslation = new FBXVector4().ToList();
FBXNode FbxSkeletonRootNode = CreateFbxBone(Skeleton.RootBone, pScene, lSkeletonRoot);
lSkeletonRoot.AddChild(FbxSkeletonRootNode);
SetBoneTransform(Skeleton, lSkeletonRoot);
return(lSkeletonRoot);
}
private void ParseNode(FBXNode n, bool traverse)
{
CreateCMPData(n);
if (!traverse)
{
return;
}
for (int i = 0; i < n.GetChildCount(); i++)
{
var child = n.GetChild(i);
ParseNode(child, false);
}
}
/// <summary>
///
/// </summary>
/// <param name="nodeInstance">The node that we are recursing into.</param>
/// <param name="depth">The depth of the hierarchy we are displaying</param>
private static void DisplayHierarchyRecursive(FBXNode nodeInstance, int depth)
{
string output = string.Empty;
for (int index = 0; index < depth; index++)
{
output += " ";
}
// Write the information out
Logger.LogMessage("{0}{1}", output, nodeInstance.GetName());
for (int index = 0; index < nodeInstance.GetChildCount(); index++)
{
DisplayHierarchyRecursive(nodeInstance.GetChild(index), depth + 1);
}
}
private FBXNode CreateFbxBone(FBBone bone, FBXScene pScene, FBXNode parent)
{
FBXSkeleton lSkeletonLimbNodeAttribute1 = FBXSkeleton.Create(pScene, bone.Name);
lSkeletonLimbNodeAttribute1.SetSkeletonType(FBXWrapper.SkelType.eLimbNode);
lSkeletonLimbNodeAttribute1.SetSize(1.0);
FBXNode lSkeletonLimbNode1 = FBXNode.Create(pScene, bone.Name);
lSkeletonLimbNode1.SetNodeAttribute(lSkeletonLimbNodeAttribute1);
for (int i = 0; i < bone.Children.Count; i++)
{
FBBone childBone = bone.Children[i];
FBXNode fbxChildBone = CreateFbxBone(childBone, pScene, lSkeletonLimbNode1);
lSkeletonLimbNode1.AddChild(fbxChildBone);
}
return(lSkeletonLimbNode1);
}
private void SetBoneTransform(FBBone bone, FBXNode fbxBoneNode)
{
List <double> tmp = new List <double>();
tmp.Add(bone.Location.members[0] * exportScale);
tmp.Add(bone.Location.members[1] * exportScale);
tmp.Add(bone.Location.members[2] * exportScale);
fbxBoneNode.LclTranslation = tmp;
FBXVector4 rot = CalculateBoneRotation(bone);
tmp = new List <double>();
tmp.Add(rot.X);
tmp.Add(rot.Y);
tmp.Add(rot.Z);
fbxBoneNode.LclRotation = tmp;
}
private FBXNode CreateFbxBone(int boneIndex, List <MESkeletalMesh.BoneStruct> Skeleton, FBXScene pScene, FBXNode parent)
{
MESkeletalMesh.BoneStruct bone = Skeleton[boneIndex];
string boneName = bone.BoneName;
FBXSkeleton lSkeletonLimbNodeAttribute1 = FBXSkeleton.Create(pScene, boneName);
lSkeletonLimbNodeAttribute1.SetSkeletonType(FBXWrapper.SkelType.eLimbNode);
lSkeletonLimbNodeAttribute1.SetSize(1.0);
FBXNode lSkeletonLimbNode1 = FBXNode.Create(pScene, boneName);
lSkeletonLimbNode1.SetNodeAttribute(lSkeletonLimbNodeAttribute1);
lSkeletonLimbNode1.LclTranslation = new List <double> {
bone.Position.X, -bone.Position.Y, bone.Position.Z
};
ME3Explorer.Unreal.Classes.SkeletalMeshOld.Quad boneQuad;
boneQuad.x = -bone.Orientation.X;
boneQuad.y = bone.Orientation.Y;
boneQuad.z = bone.Orientation.Z;
boneQuad.w = -bone.Orientation.W;
if (boneIndex == 0)
{
boneQuad.w = boneQuad.w * -1;
}
Rotator rot = QuatToRotator(boneQuad);
lSkeletonLimbNode1.LclRotation = new List <double> {
rot.Roll, rot.Pitch, rot.Yaw
};
var children = Skeleton.Where(b => b.Parent == boneIndex).ToList();
foreach (var childBone in children)
{
int childIndexInSkeleton = Skeleton.FindIndex(b => b.Name == childBone.Name);
if (childIndexInSkeleton != boneIndex)
{
FBXNode fbxChildBone = CreateFbxBone(childIndexInSkeleton, Skeleton, pScene, lSkeletonLimbNode1);
lSkeletonLimbNode1.AddChild(fbxChildBone);
}
}
return(lSkeletonLimbNode1);
}
private void SetBoneTransform(SkeletonAsset Skeleton, FBXNode pSkeletonRoot)
{
Dictionary <String, FBBone> pose = Skeleton.ModelBones;
foreach (string key in pose.Keys)
{
FBBone bonePose = pose[key];
FBXNode fbxBone = pSkeletonRoot.FindChild(key);
FBXVector4 ForwardM = new FBXVector4(bonePose.Forward.members[0], bonePose.Forward.members[1], bonePose.Forward.members[2], 0);
FBXVector4 RightM = new FBXVector4(bonePose.Right.members[0], bonePose.Right.members[1], bonePose.Right.members[2], 0);
FBXVector4 UpM = new FBXVector4(bonePose.Up.members[0], bonePose.Up.members[1], bonePose.Up.members[2], 0);
FBXVector4 TransM = new FBXVector4(bonePose.Location.members[0] * exportScale, bonePose.Location.members[1] * exportScale, bonePose.Location.members[2] * exportScale, 1);
FBXAMatrix transfoMatrix = new FBXAMatrix();
transfoMatrix.SetRow(0, RightM);
transfoMatrix.SetRow(1, UpM);
transfoMatrix.SetRow(2, ForwardM);
transfoMatrix.SetRow(3, TransM);
FBXHelper.SetGlobalDefaultPosition(fbxBone, transfoMatrix);
}
}
private void AddNodeRecursively(List <FBXNode> pNodeArray, FBXNode pNode)
{
if (pNode != null)
{
AddNodeRecursively(pNodeArray, pNode.GetParent());
bool found = false;
foreach (FBXNode n in pNodeArray)
{
if (n.Equals(pNode))
{
found = true;
break;
}
}
if (found)
{
pNodeArray.Add(pNode);
}
}
}
private void ExportGroupShapes(CSGGroup group, FBXScene fbxScene, FBXNode sceneNode, string groupName, FBXNode node)
{
CSGShapeArray childShapeList = group.GetShapes();
for (int shapeIndex = 0; shapeIndex < childShapeList.GetSize(); shapeIndex++)
{
// this little bit of weirdness is due to View3D and Paint3D not being able to have multiple shapes on the same node
// there may need to be an export option for this at some point
var subnode = node;
if (shapeIndex > 0)
{
string subGroupName = this.GetUniqueName(groupName + "_" + shapeIndex.ToString(), "group");
subnode = FBXNode.Create(sceneNode, subGroupName);
node.AddChild(subnode);
}
this.ExportShape(fbxScene, subnode, childShapeList.GetElement(shapeIndex));
subnode.SetShadingMode(ArcManagedFBX.Types.EShadingMode.eTextureShading);
}
}
private void ExportGroupRecursively(CSGGroup group, FBXScene fbxScene, FBXNode parentNode, FBXAnimLayer animationLayer, float keyFramesPerSecond)
{
string groupName = this.GetUniqueName(group.Name, "group");
var node = FBXNode.Create(parentNode, groupName);
parentNode.AddChild(node);
this.SetTransform(group, node);
this.ExportGroupAnimation(group, animationLayer, keyFramesPerSecond, node);
this.ExportGroupShapes(group, fbxScene, parentNode, groupName, node);
CSGGroupArray childGroupList = group.GetChildren();
for (int groupIndex = 0; groupIndex < childGroupList.GetSize(); groupIndex++)
{
this.ExportGroupRecursively(childGroupList.GetElement(groupIndex), fbxScene, node, animationLayer, keyFramesPerSecond);
}
}
public bool ExportMeshWithMorph(SkeletonAsset Skeleton, MeshAsset mesh, int lodIndex, List <Vector> morphVertex, List <Vector> morphBones, String targetdir)
{
FBXManager lSdkManager = new FBXManager();
FBXScene lScene = new FBXScene();
FBXHelper.InitializeSdkObjects(lSdkManager, lScene);
FBXNode SceneRoot = lScene.GetRootNode();
FBXNode fbxMesh = CreateFbxMesh(mesh.lods[lodIndex], lScene);
AddMorphToMesh(lScene, fbxMesh, morphVertex);
SceneRoot.AddChild(fbxMesh);
if (Skeleton != null)
{
FBXNode lSkeletonRoot = CreateFbxSkeleton(Skeleton, lScene);
CreateMeshSkinning(Skeleton, mesh.lods[lodIndex], fbxMesh, lSkeletonRoot, lScene);
UpdateSkeletonWithMorph(Skeleton, lSkeletonRoot, morphBones);
SceneRoot.AddChild(lSkeletonRoot);
StoreBindPose(lScene, fbxMesh);
}
return(SaveScene(targetdir, lSdkManager, lScene));
}
public bool ExportStaticMeshToFBX(MeshAsset mesh, int lodIndex, String targetdir, bool asOne)
{
FBXManager lSdkManager = new FBXManager();
FBXScene lScene = new FBXScene();
FBXHelper.InitializeSdkObjects(lSdkManager, lScene);
FBXNode SceneRoot = lScene.GetRootNode();
if (asOne)
{
FBXNode fbxMesh = CreateFbxMesh(mesh.lods[lodIndex], lScene);
SceneRoot.AddChild(fbxMesh);
}
else
{
for (int i = 0; i < mesh.lods[lodIndex].sections.Count; i++)
{
FBXNode CurrentSectionMesh = CreateFbxMesh(mesh.lods[lodIndex].sections[i], lScene);
SceneRoot.AddChild(CurrentSectionMesh);
}
}
return(SaveScene(targetdir, lSdkManager, lScene));
}
public void ExportMeshWithMorph(Unreal.BioMorphFace morph, int lodIndex, String targetdir)
{
FBXManager lSdkManager = new FBXManager();
FBXScene lScene = new FBXScene();
FBXHelper.InitializeSdkObjects(lSdkManager, lScene);
FBXNode SceneRoot = lScene.GetRootNode();
MESkeletalMesh mesh = morph.Apply();
FBXNode fbxMesh = CreateFbxMesh(mesh, morph.Name, lScene);
SceneRoot.AddChild(fbxMesh);
if (mesh.Bones != null)
{
FBXNode lSkeletonRoot = CreateFbxSkeleton(mesh.Bones, lScene);
CreateMeshSkinning(mesh, lodIndex, fbxMesh, lSkeletonRoot, lScene);
UpdateSkeletonWithMorph(morph, lSkeletonRoot);
SceneRoot.AddChild(lSkeletonRoot);
//StoreBindPose(lScene, fbxMesh);
}
bool lResult = FBXHelper.SaveScene(lSdkManager, lScene, targetdir);
FBXHelper.DestroySdkObjects(lSdkManager, lResult);
}
/// <summary>
/// The display content method
/// </summary>
/// <param name="sceneInstance">The scene that we are running on.</param>
private static void DisplayContent(FBXScene sceneInstance)
{
FBXNode rootNode = sceneInstance.GetRootNode();
if (rootNode != null)
{
// Iterate over the children in this node.
for (int index = 0; index < rootNode.GetChildCount(); index++)
{
var attributeType = rootNode.GetChild(index).GetNodeAttribute().GetAttributeType();
FBXNode nodeInstance = rootNode.GetChild(index);
FBXNodeAttribute attributeInstance = nodeInstance.GetNodeAttribute();
// Cast out the node object based on the type of the attribute.
switch (attributeType)
{
case EAttributeType.eMesh:
DisplayMesh((FBXMesh)attributeInstance);
break;
case EAttributeType.eCamera:
DisplayCamera((FBXCamera)attributeInstance);
break;
case EAttributeType.eLight:
DisplayLight((FBXLight)attributeInstance);
break;
case EAttributeType.eSkeleton:
DisplaySkeleton((FBXSkeleton)attributeInstance);
break;
}
}
}
}
void FbxsdkFindAllAnimatedNodes(FBXScene scene, FBXNode node, List<FBXNode> outputCollection)
{
if(scene.HasCurve(node))
outputCollection.Add(node);
for(int i=0;i<node.GetChildCount();++i)
{
FbxsdkFindAllAnimatedNodes(scene, node.GetChild(i), outputCollection);
}
}
void FbxsdkBuildHierachy(FBXNode fbxNode, SkeletonNode parentNode, Dictionary<SkeletonNode, FBXMesh> outputMeshDict)
{
var node = new SkeletonNode();
node.Name = fbxNode.GetName();
node.PoseMatrix = FbxsdkConvertMatrix(fbxNode.GetLocalTransform());
node.Parent = parentNode;
if (parentNode == null) skeleton = node;
else parentNode.Children.Add(node);
var mesh = fbxNode.GetMesh() ;
if(mesh != null)
{
outputMeshDict[node] = mesh;
}
if (skeletonNodeDict.ContainsKey(node.Name))
{
Debug.Log("Found duplicated skeleton node name: " + node.Name);
}
else
{
skeletonNodeDict.Add(node.Name, node);
}
for (int i = 0; i < fbxNode.GetChildCount(); ++i)
{
FbxsdkBuildHierachy(fbxNode.GetChild(i), node, outputMeshDict);
}
}
// SkeletalMesh
private void CreateMeshSkinning(MESkeletalMesh mesh, int lod, FBXNode pFbxMesh, FBXNode pSkeletonRoot, FBXScene pScene)
{
var vg = GetVertexGroups(mesh, lod);
CreateMeshSkinning(vg, pFbxMesh, pSkeletonRoot, pScene);
}
private FBXNode CreateFbxMesh(MESkeletalMesh mesh, string mname, FBXScene pScene, float exportScale = 1.0f)
{
MESkeletalMesh.LODModelStruct lod = mesh.LODModels[0];
FBXMesh fbxMesh = FBXMesh.Create(pScene, mname);
FBXNode lMeshNode = FBXNode.Create(pScene, mname);
lMeshNode.SetNodeAttribute(fbxMesh);
FBXGeometryElementTangent lGeometryElementTangent = fbxMesh.CreateElementTangent();
lGeometryElementTangent.SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
FBXGeometryElementMaterial lMaterialElement = fbxMesh.CreateElementMaterial();
lMaterialElement.SetMappingMode(FBXWrapper.MappingMode.eByPolygon);
lMaterialElement.SetReferenceMode(FBXWrapper.ReferenceMode.eIndexToDirect);
fbxMesh.InitControlPoints(lod.NumVertices);
// init UV maps
FBXGeometryElementUV[] UVs = new FBXGeometryElementUV[lod.Sections.Count];
for (int s = 0; s < lod.Sections.Count; s++)
{
string matName = GetMatName(mesh, lod, s);
UVs[s] = fbxMesh.CreateElementUV(matName);
UVs[s].SetMappingMode(FBXWrapper.MappingMode.eByControlPoint);
}
// vertices
for (int j = 0; j < lod.VertexBufferGPUSkin.Vertices.Count; j++)
{
var vertex = lod.VertexBufferGPUSkin.Vertices[j];
FBXVector4 position = new FBXVector4(vertex.Position.X * exportScale, -vertex.Position.Y * exportScale, vertex.Position.Z * exportScale, 0);
FBXVector4 normal = new FBXVector4(vertex.TangentX, 0, vertex.TangentZ, 0);
fbxMesh.SetControlPoint(j, position);
lGeometryElementTangent.Add(normal);
// uvs
for (int s = 0; s < lod.Sections.Count; s++)
{
var sectionVerts = GetSectionVertices(mesh, 0, s);
if (sectionVerts.Contains(j))
{
FBXVector4 texCoords = new FBXVector4(vertex.U, 1 - vertex.V, 0, 0);
UVs[s].Add(texCoords);
}
else
{
UVs[s].Add(new FBXVector4(0, 0, 0, 0));
}
}
}
// faces & mats
for (int s = 0; s < lod.Sections.Count; s++)
{
int chunkId = lod.Sections[s].ChunkIndex;
var chunk = lod.Chunks[chunkId];
// mat
string matName = GetMatName(mesh, lod, s);
lMeshNode.AddMaterial(pScene, matName);
// faces
for (int j = 0; j < lod.Sections[s].NumTriangles; j++)
{
int baseI = lod.Sections[s].BaseIndex;
fbxMesh.BeginPolygon(s);
fbxMesh.AddPolygon(lod.IndexBuffer.Indexes[baseI + j * 3]);
fbxMesh.AddPolygon(lod.IndexBuffer.Indexes[baseI + j * 3 + 1]);
fbxMesh.AddPolygon(lod.IndexBuffer.Indexes[baseI + j * 3 + 2]);
fbxMesh.EndPolygon();
}
}
return(lMeshNode);
}
private void CreateCMPData(FBXNode n)
{
Vector3 vOffset = Vector3.Zero;
CmpndData cmpnd = new CmpndData();
cmpnd.index = 0;
cmpnd.object_name = n.GetName();
if (cmpnd.object_name == "Root")
{
cmpnd.name = "Root";
}
else
{
cmpnd.name = "Part_" + cmpnd.object_name;
if (Relocate)
{
vOffset = T(n.EvaluateLocalTranslation(FBXTime.Infinite(), ArcManagedFBX.Types.EPivotSet.eSourcePivot, false, false));
}
}
cmpnd.object_data = new ThreeDBData();
cmpnd.object_data.data = new LodData[8];
cmpnd.object_data.wireframe_lod = 0;
int lods = 0;
for (int i = 0; i < n.GetChildCount(); i++)
{
var cur_lodnode = n.GetChild(i);
var match = Regex.Match(cur_lodnode.GetName(), @"^.+_lod(?<lod>[0-9])(?<wireframe>_vwd)?");
if (match.Success)
{
uint lod = uint.Parse(match.Groups["lod"].Value);
if (match.Groups["wireframe"].Success)
{
cmpnd.object_data.wireframe_lod = lod;
}
cmpnd.object_data.data[lod].meshes = new List <SMesh>();
lods++;
int numVerts = 0;
int numFaces = 0;
Vector3 bbmin = new Vector3(float.MaxValue);
Vector3 bbmax = new Vector3(float.MinValue);
for (int j = 0; j < cur_lodnode.GetChildCount(); j++)
{
var cur_node = cur_lodnode.GetChild(j);
var attr = cur_node.GetNodeAttribute();
if (attr == null)
{
continue;
}
if (attr.GetAttributeType() != ArcManagedFBX.Types.EAttributeType.eMesh)
{
continue;
}
var pmesh = attr as FBXMesh;
var cur_node_trans = T(cur_node.EvaluateGlobalTransform(FBXTime.Infinite(), ArcManagedFBX.Types.EPivotSet.eSourcePivot, false, false));
var cur_node_geo = T(cur_node.GetGeometricMatrix(ArcManagedFBX.Types.EPivotSet.eSourcePivot));
cur_node_trans = cur_node_geo * cur_node_trans;
SMesh mesh = new SMesh();
int nTris = pmesh.GetPolygonCount();
if (nTris <= 0)
{
continue;
}
if (cur_node.GetMaterialCount() <= 0)
{
mesh.material_name = "default";
}
else
{
var material = cur_node.GetMaterial(0);
mesh.material_name = material.GetName();
}
mesh.name = cur_node.GetName();
mesh.t = new VMSTri[nTris];
int nVerts = nTris * 3;
mesh.v = new VMSVert[nVerts];
var vertices = pmesh.GetControlPoints();
int tangentLayerCount = pmesh.GetElementTangentCount();
var tangentLayer = tangentLayerCount > 0 ? pmesh.GetElementTangent().GetDirectArray() : null;
int binormalLayerCount = pmesh.GetElementBinormalCount();
var binormalLayer = binormalLayerCount > 0 ? pmesh.GetElementBinormal().GetDirectArray() : null;
for (int nTri = 0; nTri < nTris; nTri++)
{
mesh.t[nTri].vertices = new ushort[3];
for (int k = 0; k < 3; k++)
{
int nVert = (nTri * 3 + k);
Vector3 vertice, normal;
Vector2 uv;
bool unmapped = false;
FBXVector fbxuv = new FBXVector();
FBXVector fbxnormal = new FBXVector();
vertice = Vector3.TransformCoordinate(T(vertices[pmesh.GetPolygonVertex(nTri, k)]), cur_node_trans);
// offset vertice
vertice -= vOffset;
pmesh.GetPolygonVertexUV(nTri, k, "map1", ref fbxuv, ref unmapped);
uv = T2(fbxuv);
pmesh.GetPolygonVertexNormal(nTri, k, ref fbxnormal);
normal = Vector3.TransformNormal(T(fbxnormal), cur_node_trans);
mesh.t[nTri].vertices[k] = (ushort)nVert;
mesh.v[nVert].vert = vertice;
mesh.v[nVert].normal = normal;
mesh.v[nVert].uv = uv;
mesh.v[nVert].tangent = tangentLayer != null?T(tangentLayer.GetAt(nVert)) : Vector3.Zero;
mesh.v[nVert].binormal = binormalLayer != null?T(binormalLayer.GetAt(nVert)) : Vector3.Zero;
/*
*
* float alpha = 1.0f;
* int iVCindex = mesh->pMesh->GetFaceVertex(pTriangle->meshFaceIndex, i);
* if (iVCindex != -1)
* {
* alpha = mesh->pMesh->GetAlphaVertex(pTriangle->alpha[i]);
* color = mesh->pMesh->GetColorVertex(pTriangle->color[i]);
* mesh->v[nVert].diffuse = (DWORD)(alpha * 255) << 24 | (DWORD)(color.x * 255) << 16 | (DWORD)(color.y * 255) << 8 | (DWORD)(color.z * 255);
* mesh->v[nVert].uv = uv;
* }
* else
* {
* mesh->v[nVert].tangent = Point3(0, 0, 0);
* mesh->v[nVert].binormal = Point3(0, 0, 0);
* }*/
bbmin = Vector3.Min(bbmin, vertice);
bbmax = Vector3.Max(bbmin, vertice);
}
}
mesh.nVerts = nVerts;
numVerts += mesh.nVerts;
mesh.nTris = nTris;
numFaces += mesh.nTris;
cmpnd.object_data.data[lod].meshes.Add(mesh);
}
cmpnd.object_data.data[lod].vmeshref = new VMeshRef();
cmpnd.object_data.data[lod].vmeshref.BoundingBoxMaxX = bbmax.X;
cmpnd.object_data.data[lod].vmeshref.BoundingBoxMaxY = bbmax.Y;
cmpnd.object_data.data[lod].vmeshref.BoundingBoxMaxZ = bbmax.Z;
cmpnd.object_data.data[lod].vmeshref.BoundingBoxMinX = bbmin.X;
cmpnd.object_data.data[lod].vmeshref.BoundingBoxMinY = bbmin.Y;
cmpnd.object_data.data[lod].vmeshref.BoundingBoxMinZ = bbmin.Z;
var vCenter = (bbmax + bbmin) / 2;
cmpnd.object_data.data[lod].vmeshref.CenterX = vCenter.X;
cmpnd.object_data.data[lod].vmeshref.CenterY = vCenter.Y;
cmpnd.object_data.data[lod].vmeshref.CenterZ = vCenter.Z;
cmpnd.object_data.data[lod].vmeshref.Radius = (bbmax - vCenter).Length() * 1.25f;
cmpnd.object_data.data[lod].vmeshref.HeaderSize = 60;
cmpnd.object_data.data[lod].vmeshref.NumMeshes = (ushort)cmpnd.object_data.data[lod].meshes.Count;
cmpnd.object_data.data[lod].vmeshref.NumVert = (ushort)numVerts;
cmpnd.object_data.data[lod].vmeshref.NumIndex = (ushort)(numFaces * 3);
if (numFaces * 3 > 0xFFFF)
{
throw new ArgumentException($"{cmpnd.object_name} references more than 65535 vertices. Split the group into smaller groups!");
}
}
}
cmpnd.object_data.lods = (uint)lods;
cmpnd.index = cmpndData.Count;
cmpndData.Add(cmpnd);
if (cmpnd.object_name != "Root")
{
if (cmpnd.object_name.EndsWith("_rev"))
{
CmpRevData.Part revdata = new CmpRevData.Part();
revdata.ParentName = "Root";
revdata.ChildName = cmpnd.object_name;
revdata.OriginX = vOffset.X;
revdata.OriginY = vOffset.Y;
revdata.OriginZ = vOffset.Z;
var mat = n.EvaluateLocalTransform(FBXTime.Infinite(), ArcManagedFBX.Types.EPivotSet.eSourcePivot, false, false);
revdata.RotMatXX = (float)mat.mData[0].x;
revdata.RotMatXY = (float)mat.mData[1].x;
revdata.RotMatXZ = (float)mat.mData[2].x;
revdata.RotMatYX = (float)mat.mData[0].y;
revdata.RotMatYY = (float)mat.mData[1].y;
revdata.RotMatYZ = (float)mat.mData[2].y;
revdata.RotMatZX = (float)mat.mData[0].z;
revdata.RotMatZY = (float)mat.mData[1].z;
revdata.RotMatZZ = (float)mat.mData[2].z;
revdata.AxisRotX = (float)mat.mData[0].x;
revdata.AxisRotY = (float)mat.mData[1].x;
revdata.AxisRotZ = (float)mat.mData[2].x;
revdata.Max = 1;
rev.Parts.Add(revdata);
}
else if (cmpnd.object_name.EndsWith("_pris"))
{
CmpRevData.Part revdata = new CmpRevData.Part();
revdata.ParentName = "Root";
revdata.ChildName = cmpnd.object_name;
revdata.OriginX = vOffset.X;
revdata.OriginY = vOffset.Y;
revdata.OriginZ = vOffset.Z;
revdata.RotMatXX = revdata.RotMatYY = revdata.RotMatZZ = 1;
revdata.AxisRotZ = 1;
revdata.Max = 360;
pris.Parts.Add(revdata);
}
else
{
CmpFixData.Part fixdata = new CmpFixData.Part();
fixdata.ParentName = "Root";
fixdata.ChildName = cmpnd.object_name;
fixdata.OriginX = vOffset.X;
fixdata.OriginY = vOffset.Y;
fixdata.OriginZ = vOffset.Z;
fixdata.RotMatXX = fixdata.RotMatYY = fixdata.RotMatZZ = 1;
fix.Parts.Add(fixdata);
}
}
}
private void ExportGroupAnimation(CSGGroup group, FBXAnimLayer animationLayer, float keyFramesPerSecond, FBXNode node)
{
CSGAnimationKey[] animationKeyList = null;
int keyListCount = 0;
group.GetAnimationKeys(0, 999999, ref animationKeyList, ref keyListCount);
int translationAnimationKeyCount = 0;
int rotationAnimationKeyCount = 0;
foreach (var animationKey in animationKeyList)
{
if (animationKey.Type == CSGAnimationKeyType.CSGAnimationPositionKey)
{
translationAnimationKeyCount++;
}
if (animationKey.Type == CSGAnimationKeyType.CSGAnimationOrientationKey)
{
rotationAnimationKeyCount++;
}
}
if (translationAnimationKeyCount > 1)
{
FBXAnimCurveNode myTranslationAnimCurveNode = node.LclTranslationGetCurveNode(animationLayer);
FBXAnimCurve myTranXCurve = node.LclTranslationGetCurve(animationLayer, "X");
FBXAnimCurve myTranYCurve = node.LclTranslationGetCurve(animationLayer, "Y");
FBXAnimCurve myTranZCurve = node.LclTranslationGetCurve(animationLayer, "Z");
myTranXCurve.KeyModifyBegin();
myTranYCurve.KeyModifyBegin();
myTranZCurve.KeyModifyBegin();
foreach (var animationKey in animationKeyList)
{
if (animationKey.Type == CSGAnimationKeyType.CSGAnimationPositionKey)
{
myTranXCurve.KeyAddSet(animationKey.Time / keyFramesPerSecond, animationKey.V.X); // , ArcManagedFBX.Types.EInterpolationType.eInterpolationConstant);
myTranYCurve.KeyAddSet(animationKey.Time / keyFramesPerSecond, animationKey.V.Y); // , ArcManagedFBX.Types.EInterpolationType.eInterpolationConstant);
myTranZCurve.KeyAddSet(animationKey.Time / keyFramesPerSecond, -animationKey.V.Z); // , ArcManagedFBX.Types.EInterpolationType.eInterpolationConstant);
}
}
myTranXCurve.KeyModifyEnd();
myTranYCurve.KeyModifyEnd();
myTranZCurve.KeyModifyEnd();
}
if (rotationAnimationKeyCount > 1)
{
FBXAnimCurveNode myRotationAnimCurveNode = node.LclRotationGetCurveNode(animationLayer);
FBXAnimCurve myRotXCurve = node.LclRotationGetCurve(animationLayer, "X");
FBXAnimCurve myRotYCurve = node.LclRotationGetCurve(animationLayer, "Y");
FBXAnimCurve myRotZCurve = node.LclRotationGetCurve(animationLayer, "Z");
myRotXCurve.KeyModifyBegin();
myRotYCurve.KeyModifyBegin();
myRotZCurve.KeyModifyBegin();
foreach (var animationKey in animationKeyList)
{
if (animationKey.Type == CSGAnimationKeyType.CSGAnimationOrientationKey)
{
FBXVector eulerXYZ = this.GetEulerXYZ(group, animationKey.Time);
myRotXCurve.KeyAddSet(animationKey.Time / keyFramesPerSecond, (float)eulerXYZ.x); // , ArcManagedFBX.Types.EInterpolationType.eInterpolationLinear);
myRotYCurve.KeyAddSet(animationKey.Time / keyFramesPerSecond, (float)eulerXYZ.y); // , ArcManagedFBX.Types.EInterpolationType.eInterpolationLinear);
myRotZCurve.KeyAddSet(animationKey.Time / keyFramesPerSecond, (float)eulerXYZ.z); // , ArcManagedFBX.Types.EInterpolationType.eInterpolationLinear);
}
}
myRotXCurve.KeyModifyEnd();
myRotYCurve.KeyModifyEnd();
myRotZCurve.KeyModifyEnd();
}
}
