void fbxLoader2::computeMesh(FbxNode* pNode, FbxTime& pTime, FbxAnimLayer* pAnimLayer, FbxAMatrix& pGlobalPosition, FbxPose* pPose, int frame)
{
FbxMesh* lMesh = pNode->GetMesh();
const int lVertexCount = lMesh->GetControlPointsCount();
// No vertex to draw.
if (lVertexCount == 0)
{
return;
}
// If it has some defomer connection, update the vertices position
const bool lHasVertexCache = lMesh->GetDeformerCount(FbxDeformer::eVertexCache) &&
(static_cast<FbxVertexCacheDeformer*>(lMesh->GetDeformer(0, FbxDeformer::eVertexCache)))->IsActive();
const bool lHasShape = lMesh->GetShapeCount() > 0;
const bool lHasSkin = lMesh->GetDeformerCount(FbxDeformer::eSkin) > 0;
const bool lHasDeformation = lHasVertexCache || lHasShape || lHasSkin;
if (lHasDeformation)
{
//we need to get the number of clusters
const int lSkinCount = lMesh->GetDeformerCount(FbxDeformer::eSkin);
int lClusterCount = 0;
for (int lSkinIndex = 0; lSkinIndex < lSkinCount; ++lSkinIndex)
{
lClusterCount += ((FbxSkin *)(lMesh->GetDeformer(lSkinIndex, FbxDeformer::eSkin)))->GetClusterCount();
}
if (lClusterCount)
{
// Deform the vertex array with the skin deformer.
ComputeSkinDeformation(pGlobalPosition, lMesh, pTime, pPose, frame);
}
}
}
void FBXImporter::ProcessMesh(FbxNodeAttribute* nodeAttribute)
{
FbxMesh* mesh = (FbxMesh*)nodeAttribute;
// 网格是否三角化的?如果不是先将其转为三角化的。
// 注意：一步其实应该在建模软件导出的时候进行。
if (!mesh->IsTriangleMesh())
{
FbxGeometryConverter converter(mSDKManager);
// #1
// For FBX SDK 2015.1
nodeAttribute = converter.Triangulate(nodeAttribute, true, false);
// For FBX SDK 2013.3
//converter.TriangulateInPlace(nodeAttribute->GetNode());
mesh = (FbxMesh*)nodeAttribute;
}
FBXMeshData* fbxMeshData = new FBXMeshData();
fbxMeshData->mMesh = mesh;
mFBXMeshDatas.push_back(fbxMeshData);
Log("TriangleCount:%d\n", mesh->GetPolygonCount());
Log("VertexCount:%d\n", mesh->GetControlPointsCount());
Log("IndexCount:%d\n", mesh->GetPolygonVertexCount());
Log("Layer:%d\n", mesh->GetLayerCount());
Log("DeformerCount:%d\n", mesh->GetDeformerCount());
Log("MaterialCount%d\n", mesh->GetNode()->GetMaterialCount());
Log("\n");
}
void fbxLoader2::setBindPoseCluster(FbxNode *node)
{
if( node->GetNodeAttribute())
{
switch(node->GetNodeAttribute()->GetAttributeType())
{
case FbxNodeAttribute::eMesh:
FbxMesh *mesh = node->GetMesh();
for (int j = 0; j<mesh->GetDeformerCount(); j++)
{
FbxSkin *skin = (FbxSkin*) mesh->GetDeformer(j,FbxDeformer::eSkin);
int clusters = skin->GetClusterCount();
for(int k = 0; k<clusters; k++)
{
FbxCluster* cluster = skin->GetCluster(k);
FbxNode* boneLink = cluster->GetLink();
if(boneLink)
{
std::string nameLink = boneLink->GetName();
FbxAMatrix translationM;
FbxAMatrix invert;
cluster->GetTransformLinkMatrix(translationM);
cluster->GetTransformMatrix(invert);
translationM = translationM * invert.Inverse();
D3DXMATRIX mat = D3DXMATRIX((float)translationM.mData[0].mData[0], (float)translationM.mData[0].mData[1], (float)translationM.mData[0].mData[2], (float)translationM.mData[3].mData[0],
(float)translationM.mData[1].mData[0], (float)translationM.mData[1].mData[1], (float)translationM.mData[1].mData[2], (float)translationM.mData[3].mData[1],
(float)translationM.mData[2].mData[0], (float)translationM.mData[2].mData[1], (float)translationM.mData[2].mData[2], (float)translationM.mData[3].mData[2],
0,0,0,1);
skeleton->GetBone(skeleton->GetBoneByName(nameLink))->SetTransformation(mat);
}
}
}
break;
}
}
for (int i = 0; i<node->GetChildCount(); i++)
{
FbxNode* child = node->GetChild(i);
setBindPoseCluster(child);
}
}
void FBXConverter::processAnimations( FbxNode* node , std::vector<JointData> &skeleton , std::vector<VertexData> &verts , std::vector<IndexData> &indices )
{
FbxMesh* theMesh = node->GetMesh();
FbxAnimStack* animationStack = node->GetScene()->GetSrcObject<FbxAnimStack>();
FbxAnimLayer* animationLayer = animationStack->GetMember<FbxAnimLayer>();
std::vector<FbxTime> frames;
for ( int curveNodeIndex = 0; curveNodeIndex < animationLayer->GetMemberCount(); ++curveNodeIndex )
{
FbxAnimCurveNode* currentCurve = animationLayer->GetMember<FbxAnimCurveNode>( curveNodeIndex );
for ( unsigned int channelIndex = 0; channelIndex < currentCurve->GetChannelsCount(); ++channelIndex )
{
for ( int curve = 0; curve < currentCurve->GetCurveCount( channelIndex ); ++curve )
{
FbxAnimCurve* theCurveVictim = currentCurve->GetCurve( channelIndex , curve );
for ( int keyIndex = 0; keyIndex < theCurveVictim->KeyGetCount(); ++keyIndex )
{
bool alreadyIn = false;
for ( unsigned int frameIndex = 0; frameIndex < frames.size(); ++frameIndex )
{
if ( ( unsigned int ) frames[frameIndex].GetFrameCount() == ( unsigned int ) theCurveVictim->KeyGet( keyIndex ).GetTime().GetFrameCount() )
{
alreadyIn = true;
//std::cout << frames[frameIndex].GetFrameCount() << " " << theCurveVictim->KeyGet( keyIndex ).GetTime().GetFrameCount() << " " << alreadyIn << std::endl;
break;
}
}
std::cout << theCurveVictim->KeyGet( keyIndex ).GetTime().GetFrameCount() << " " << alreadyIn << std::endl;
if(!alreadyIn) frames.push_back(theCurveVictim->KeyGet( keyIndex ).GetTime());
}
}
}
}
std::sort( frames.begin() , frames.end() , frameCompare );
FbxAMatrix geoTransform( node->GetGeometricTranslation( FbxNode::eSourcePivot ) , node->GetGeometricRotation( FbxNode::eSourcePivot ) , node->GetGeometricScaling( FbxNode::eSourcePivot ) );
for ( int i = 0; i < theMesh->GetDeformerCount(); ++i )
{
FbxSkin* theSkin = reinterpret_cast< FbxSkin* >( theMesh->GetDeformer( i , FbxDeformer::eSkin ) );
if ( !theSkin ) continue;
for ( int j = 0; j < theSkin->GetClusterCount(); ++j )
{
FbxCluster* cluster = theSkin->GetCluster( j );
std::string jointName = cluster->GetLink()->GetName();
int currentJointIndex = -1;
for ( unsigned int k = 0; k < skeleton.size(); ++k )
{
if ( !skeleton[k].name.compare( jointName ) )
{
currentJointIndex = k;
break;
}
}
if ( currentJointIndex < 0 )
{
std::cout << "wrong bone" << std::endl;
continue;
}
FbxAMatrix transformMatrix, transformLinkMatrix, offsetMatrix;
cluster->GetTransformMatrix( transformMatrix );
cluster->GetTransformLinkMatrix( transformLinkMatrix );
//offsetMatrix = transformLinkMatrix.Inverse() * transformMatrix * geoTransform;
FbxMatrix realMatrix( transformLinkMatrix.Inverse() * transformMatrix );
for ( unsigned int row = 0; row < 4; ++row )
{
for ( unsigned int column = 0; column < 4; ++column )
{
skeleton[currentJointIndex].offsetMatrix[row][column] = (float)realMatrix.Get( row , column );
}
}
for ( int k = 0; k < cluster->GetControlPointIndicesCount(); ++k )
{
BlendingIndexWeightPair weightPair;
weightPair.blendingIndex = currentJointIndex;
weightPair.blendingWeight = (float)cluster->GetControlPointWeights()[k];
unsigned int controlPoint = cluster->GetControlPointIndices()[k];
for ( unsigned int z = 0; z < indices.size(); ++z )
{
if ( indices[z].oldControlPoint == controlPoint )
{
if ( verts[indices[z].index].blendingInfo.size() > 4 )
{
std::cout << "Warning: vert has more than 4 bones connected, ignoring additional bone." << std::endl;
}
//else verts[indices[z].index].blendingInfo.push_back( weightPair );
bool found = false;
for ( unsigned int omg = 0; omg < verts[indices[z].index].blendingInfo.size(); ++omg )
{
if ( verts[indices[z].index].blendingInfo[omg].blendingIndex == weightPair.blendingIndex )
{
found = true;
break;
}
}
if ( !found ) verts[indices[z].index].blendingInfo.push_back( weightPair );
}
}
}
for ( unsigned int frameIndex = 0; frameIndex < frames.size(); ++frameIndex )
{
FbxVector4 translation = cluster->GetLink()->EvaluateLocalTranslation( frames[frameIndex] );
FbxVector4 rotation = cluster->GetLink()->EvaluateLocalRotation( frames[frameIndex] );
FbxVector4 scale = cluster->GetLink()->EvaluateLocalScaling( frames[frameIndex] );
AnimationData animData;
animData.frame = (int)frames[frameIndex].GetFrameCount();
animData.translation = glm::vec3(translation[0],translation[1],translation[2]);
animData.rotation = glm::angleAxis( glm::radians( (float)rotation[2] ), glm::vec3(0,0,1)) * glm::angleAxis(glm::radians((float) rotation[1]), glm::vec3(0,1,0)) * glm::angleAxis(glm::radians((float)rotation[0]), glm::vec3(1,0,0));
animData.scale = glm::vec3(scale[0],scale[1],scale[2]);
skeleton[currentJointIndex].animation.push_back( animData );
}
}
}
}
int main(int argc, char **argv)
{
#ifndef _DEBUG
if (argc != 2)
{
printf("invalid arg");
return 0;
}
const char* filename = argv[1];
#else
const char* filename = "*****@*****.**";
#endif
output.open("output.txt", ios::out | ios::trunc);
output2.open("output2.txt", ios::out | ios::trunc);
output3.open("output3.txt", ios::out | ios::trunc);
if (!output.is_open())
{
exit(1);
}
FbxManager* fm = FbxManager::Create();
FbxIOSettings *ios = FbxIOSettings::Create(fm, IOSROOT);
//ios->SetBoolProp(EXP_FBX_ANIMATION, false);
ios->SetIntProp(EXP_FBX_COMPRESS_LEVEL, 9);
ios->SetAllObjectFlags(true);
fm->SetIOSettings(ios);
FbxImporter* importer = FbxImporter::Create(fm, "");
if (!importer->Initialize(filename, -1, fm->GetIOSettings()))
{
printf("error returned : %s\n", importer->GetStatus().GetErrorString());
exit(-1);
}
FbxScene* scene = FbxScene::Create(fm, "myscene");
importer->Import(scene);
importer->Destroy();
output << "some\n";
output << "charcnt : " << scene->GetCharacterCount() << endl << "node cnt : " << scene->GetNodeCount() << endl;
int animstackcnt = scene->GetSrcObjectCount<FbxAnimStack>();
output << "animstackcnt : " << animstackcnt << endl;
output << "------------" << endl;
vector<FbxNode*> removableNodes;
for (int i = 0; i < scene->GetNodeCount(); i++)
{
FbxNode* node = scene->GetNode(i);
output << "scene's node " << i << " : " << node->GetName() << ", childcnt : " << node->GetChildCount();
if (node->GetNodeAttribute())
{
output <<", att type : " << node->GetNodeAttribute()->GetAttributeType();
if (node->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::EType::eMesh)
{
FbxMesh* mesh = node->GetMesh();
output << ", mem usage : " << mesh->MemoryUsage() << ", deformer cnt : " << mesh->GetDeformerCount(FbxDeformer::EDeformerType::eSkin) << endl;
collapseMesh(mesh);
FbxSkin* skin = (FbxSkin*) (mesh->GetDeformer(0, FbxDeformer::EDeformerType::eSkin));
if (skin)
{
for (int cli = 0; cli < skin->GetClusterCount(); cli++)
{
FbxCluster* cluster = skin->GetCluster(cli);
output << "\tcluster no." << cli << " has " << cluster->GetControlPointIndicesCount() << " connected verts" << endl;
if (cluster->GetControlPointIndicesCount() == 0)
removableNodes.push_back( cluster->GetLink() );
//cluster->
//skin->RemoveCluster(cluster);효과없음
}
}
if (mesh->IsTriangleMesh())
{
output << "\tit's triangle mesh" << endl;
}
//mesh->RemoveDeformer(0);효과없음
}
else
output << endl;
}
else
{
output << ", att type : none" << endl;
}
}
for (int rni = 0; rni < removableNodes.size(); rni++)
{
FbxNode* rnd = removableNodes[rni];
if (rnd && rnd->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::EType::eSkeleton)
{
output3 << rnd->GetName() << " node with no vert attached's curve : " << rnd->GetSrcObjectCount<FbxAnimCurve>() << "," << rnd->GetSrcObjectCount<FbxAnimCurveNode>() << endl;
}
}
output << "-----------animinfo" << endl;
int cubic = 0, linear = 0, cons = 0;
for (int si = 0; si < animstackcnt; si++)
{
FbxAnimStack* stack = scene->GetSrcObject<FbxAnimStack>(si);
for (int i = 0; i < stack->GetMemberCount<FbxAnimLayer>(); i++)
{
FbxAnimLayer* layer = stack->GetMember<FbxAnimLayer>(i);
int curvenodecnt = layer->GetMemberCount<FbxAnimCurveNode>();
int compositcnt = 0;
for (int j = 0; j < curvenodecnt; j++)
{
FbxAnimCurveNode* cnode = layer->GetMember<FbxAnimCurveNode>(j);
compositcnt += (cnode->IsComposite() ? 1 : 0);
}
output << "\tanimstack's layer " << i << " : " << layer->GetName() << ", curve node cnt : " << curvenodecnt << ", composit node cnt : " << compositcnt << endl;
vector<FbxAnimCurveNode*> nodes2del;
for (int j = 0; j < curvenodecnt; j++)
{
FbxAnimCurveNode* cnode = layer->GetMember<FbxAnimCurveNode>(j);
output << "\t\tcurvenode " << j << " channel cnt : " << cnode->GetChannelsCount() << ", dst obj cnt " << cnode->GetDstObjectCount() << "(";
for (int dsti = 0; dsti < cnode->GetDstObjectCount(); dsti++)
{
output << "," << cnode->GetDstObject(dsti)->GetName();
if (cnode->GetDstObject(dsti)->GetSrcObjectCount() > 0)
output << "<" << cnode->GetDstObject(dsti)->GetSrcObjectCount<FbxSkeleton>() << ">";
}
output << ")";
FbxTimeSpan interval;
if (cnode->GetAnimationInterval(interval))
{
output << ", start : " << interval.GetStart().GetTimeString() << ", end : " << interval.GetStop().GetTimeString() << endl;
}
else
{
nodes2del.push_back(cnode);
output << ", no interval" << endl;
}
for (int chi = 0; chi < cnode->GetChannelsCount(); chi++)
{
int curvecnt = cnode->GetCurveCount(chi);
output << "\t\t\tchannel." << chi << " curvecnt : " << curvecnt << endl;
for (int ci = 0; ci < curvecnt; ci++)
{
FbxAnimCurve* curve = cnode->GetCurve(chi, ci);
int keycnt = curve->KeyGetCount();
output << "\t\t\t\tcurve no." << ci << " : key count : " << keycnt;
output2 << "curve " << ci << endl;
vector<int> keys2Remove;
for (int cki = 0; cki < keycnt; cki++)
{
FbxAnimCurveKey prevkey, currkey, nextkey;
if (cki == 0 || cki == keycnt - 1)
continue;
currkey = curve->KeyGet(cki);
prevkey = curve->KeyGet(cki-1);
nextkey = curve->KeyGet(cki + 1);
bool keepit = true;
output2 << ci << "-" << cki;
// keepit = keepTestHorizon(curve, prevkey, currkey, nextkey);
// if (keepit)
// keepit = slopkeepTest(curve, prevkey, currkey, nextkey);
if (!keepit)
{
if (!(currkey.GetInterpolation() == FbxAnimCurveDef::EInterpolationType::eInterpolationConstant && nextkey.GetInterpolation() != FbxAnimCurveDef::EInterpolationType::eInterpolationConstant))
keys2Remove.push_back(cki);
}
}
for (int kri = keys2Remove.size() - 1; kri >= 0; kri--)
{
//curve->KeyRemove(keys2Remove[kri]);
}
output2 << endl;
//output << ", cubic:linear:const : " << cubic << ":" << linear << ":" << cons << endl;
if (keys2Remove.size() > 0)
output << ", " << keys2Remove.size() << " keys removed";
keycnt = curve->KeyGetCount();
}
}
}
//이부분은 별로 효과없음
/*
for (int di = 0; di < nodes2del.size(); di++)
{
layer->RemoveMember(nodes2del[di]);
}
*/
}
}
output << "cubic:linear:const " << cubic << ":" << linear << ":" << cons << endl;
FbxExporter* exporter = FbxExporter::Create(fm, "");
const char* outFBXName = "after.fbx";
bool exportstatus = exporter->Initialize(outFBXName, -1, fm->GetIOSettings());
if (exportstatus == false)
{
puts("err export fail");
}
exporter->Export(scene);
exporter->Destroy();
scene->Destroy();
ios->Destroy();
fm->Destroy();
output.close();
output2.close();
output3.close();
return 0;
}
//===============================================================================================================================
void FBXLoader::LoadJointsAndAnimation(FbxNode* inNode)
{
// This is how each subset gets its bone/joint for animation
FBXSubsets* subset = mSubsets[iCurrentSubset];
FbxMesh* mesh = inNode->GetMesh();
uint32 numOfDeformers = mesh->GetDeformerCount();
FbxAMatrix geomTrans = ZShadeSandboxMesh::FBXHelper::GetGeometryTransformation(inNode);
// A deformer contains clusters.
// A cluster contains a link, which is a joint.
// Normally, There is only one deformer in a mesh but Maya has many types.
for (uint32 deformerIndex = 0; deformerIndex < numOfDeformers; ++deformerIndex)
{
// Lets see if this deformer is a skin
FbxSkin* skin = reinterpret_cast<FbxSkin*>(mesh->GetDeformer(deformerIndex, FbxDeformer::eSkin));
if (!skin) continue;
uint32 numOfClusters = skin->GetClusterCount();
for (uint32 clusterIndex = 0; clusterIndex < numOfClusters; ++clusterIndex)
{
FbxCluster* cluster = skin->GetCluster(clusterIndex);
string jointName = cluster->GetLink()->GetName();
uint32 jointIndex = FindJointIndexUsingName(jointName);
subset->mJoints.push_back(jointIndex);
FbxAMatrix transform;
FbxAMatrix transformLink;
FbxAMatrix globalBindposeInverse;
// The transformation of the mesh at binding time
cluster->GetTransformMatrix(transform);
// The transformation of the cluster (joint) at binding time from joint space to world space
cluster->GetTransformLinkMatrix(transformLink);
globalBindposeInverse = transformLink.Inverse() * transform * geomTrans;
// Update skeletal information
mSkeleton.joints[jointIndex].globalBindposeInverse = globalBindposeInverse;
mSkeleton.joints[jointIndex].node = cluster->GetLink();
// Associate each joint with the control points it affects
uint32 numOfIndices = cluster->GetControlPointIndicesCount();
for (uint32 i = 0; i < numOfIndices; ++i)
{
ZShadeSandboxMesh::BlendingIndexWeightPair currBlendingIndexWeightPair;
currBlendingIndexWeightPair.blendingIndex = jointIndex;
currBlendingIndexWeightPair.blendingWeight = cluster->GetControlPointWeights()[i];
mControlPoints[cluster->GetControlPointIndices()[i]]->blendingInfo.push_back(currBlendingIndexWeightPair);
}
// Animation information
FbxAnimStack* animStack = m_pFbxScene->GetSrcObject<FbxAnimStack>(0);
FbxString animStackName = animStack->GetName();
mAnimationName = animStackName.Buffer();
FbxTakeInfo* takeInfo = m_pFbxScene->GetTakeInfo(animStackName);
FbxTime start = takeInfo->mLocalTimeSpan.GetStart();
FbxTime end = takeInfo->mLocalTimeSpan.GetStop();
mAnimationLength = end.GetFrameCount(FbxTime::eFrames24) - start.GetFrameCount(FbxTime::eFrames24) + 1;
FBXKeyframe** anim = &mSkeleton.joints[jointIndex].animation;
for (FbxLongLong i = start.GetFrameCount(FbxTime::eFrames24); i <= end.GetFrameCount(FbxTime::eFrames24); ++i)
{
FbxTime time;
time.SetFrame(i, FbxTime::eFrames24);
*anim = new FBXKeyframe();
(*anim)->frameNum = i;
FbxAMatrix currentTransformOffset = inNode->EvaluateGlobalTransform(time) * geomTrans;
(*anim)->globalTransform = currentTransformOffset.Inverse() * cluster->GetLink()->EvaluateGlobalTransform(time);
anim = &((*anim)->next);
}
}
}
// Some control points have less than 4 joints
// For a normal renderer, there are usually 4 joints
ZShadeSandboxMesh::BlendingIndexWeightPair currBlendingIndexWeightPair;
currBlendingIndexWeightPair.blendingIndex = 0;
currBlendingIndexWeightPair.blendingWeight = 0;
for (auto itr = mControlPoints.begin(); itr != mControlPoints.end(); ++itr)
{
for (unsigned int i = itr->second->blendingInfo.size(); i <= 4; ++i)
{
itr->second->blendingInfo.push_back(currBlendingIndexWeightPair);
}
}
}