//-------------------------------------------------------------------------------------------------------------------------------------------
void transferNormals(FbxMesh* fbxMesh, Mesh* mesh){
int numVertices = fbxMesh->GetControlPointsCount();
FbxGeometryElementNormal* normals = fbxMesh->GetElementNormal(0);
mesh->InitEmptyNormals(numVertices);
for (int i = 0; i < numVertices; i++){
FbxVector4 normal = normals->GetDirectArray().GetAt(i);
mesh->Push_back(Mesh::MeshType::NORMAL, &Vector3s((double)normal[0], (double)normal[1], (double)normal[2]));
}
LOG_DEBUG << "Transfer normals successfully! ";
}
void Mesh::GetNormals(FbxMesh* pMesh, MeshInfo& pMeshInfo)
{
FbxGeometryElementNormal* lNormalElement = pMesh->GetElementNormal();
if (lNormalElement)
{
if (lNormalElement->GetReferenceMode() == FbxGeometryElement::eDirect)
{
for (int lVertexIndex = 0; lVertexIndex < pMesh->GetLayer(0)->GetNormals()->GetDirectArray().GetCount(); lVertexIndex++)
{
int lNormalIndex = 0;
lNormalIndex = lVertexIndex;
pMeshInfo.normals.push_back(lNormalElement->GetDirectArray().GetAt(lNormalIndex));
}
}
if (lNormalElement->GetReferenceMode() == FbxGeometryElement::eIndexToDirect)
{
for (int lVertexIndex = 0; lVertexIndex < pMesh->GetLayer(0)->GetNormals()->GetIndexArray().GetCount(); lVertexIndex++)
{
int lNormalIndex = 0;
lNormalIndex = lNormalElement->GetIndexArray().GetAt(lVertexIndex);
pMeshInfo.normals.push_back(lNormalElement->GetDirectArray().GetAt(lNormalIndex));
}
}
}
}
void LoaderFbxMesh::parseVertexNormals(FbxMesh* mesh, int controlPointIndex, int vertexId)
{
for(int i=0; i<mesh->GetElementNormalCount(); i++)
{
FbxVector4 fbxNormal(0, 0, 0, 0);
FbxGeometryElementNormal* normalElement = mesh->GetElementNormal(i);
switch(normalElement->GetMappingMode())
{
case FbxGeometryElement::eByControlPoint:
fbxNormal = parseVertexNormalsByControlPoint(normalElement, controlPointIndex);
break;
case FbxGeometryElement::eByPolygonVertex:
fbxNormal = parseVertexNormalsByPolygonVertex(normalElement, vertexId);
break;
default:
break;
}
Float3 normal;
normal.x = static_cast<float>(fbxNormal.mData[0]);
normal.y = static_cast<float>(fbxNormal.mData[1]);
normal.z = static_cast<float>(fbxNormal.mData[2]);
vertexNormals_.push_back(normal);
}
}
reVec3 reFBXAsset::getNormal(FbxMesh* fmesh, int vi)
{
FbxVector4 normal;
for(int l = 0; l < fmesh->GetElementNormalCount(); ++l)
{
FbxGeometryElementNormal* leNormal = fmesh->GetElementNormal(l);
if(leNormal->GetMappingMode() == FbxGeometryElement::eByPolygonVertex)
{
switch (leNormal->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
normal = leNormal->GetDirectArray().GetAt(vi);
return reVec3(normal[0], normal[1], normal[2]);
case FbxGeometryElement::eIndexToDirect:
int id = leNormal->GetIndexArray().GetAt(vi);
normal = leNormal->GetDirectArray().GetAt(id);
return reVec3(normal[0], normal[1], normal[2]);
}
}
}
return reVec3(0,0,0);
}
void FbxParser::ReadNormal(FbxMesh* pMesh, int ctrlPointIndex , int vertexCounter , GS::double3& normal)
{
if(pMesh->GetElementNormalCount() < 1)
{
return;
}
FbxGeometryElementNormal* leNormal = pMesh->GetElementNormal( 0);
switch(leNormal->GetMappingMode())
{
case FbxGeometryElement::eByControlPoint:
{
switch(leNormal->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
normal.x = leNormal->GetDirectArray().GetAt(ctrlPointIndex)[0];
normal.y = leNormal->GetDirectArray().GetAt(ctrlPointIndex)[1];
normal.z = leNormal->GetDirectArray().GetAt(ctrlPointIndex)[2];
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = leNormal->GetIndexArray().GetAt(ctrlPointIndex);
normal.x = leNormal->GetDirectArray().GetAt(id)[0];
normal.y = leNormal->GetDirectArray().GetAt(id)[1];
normal.z = leNormal->GetDirectArray().GetAt(id)[2];
}
break;
default:
break;
}
}
break;
case FbxGeometryElement::eByPolygonVertex:
{
switch(leNormal->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
normal.x = leNormal->GetDirectArray().GetAt(vertexCounter)[0];
normal.y = leNormal->GetDirectArray().GetAt(vertexCounter)[1];
normal.z = leNormal->GetDirectArray().GetAt(vertexCounter)[2];
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = leNormal->GetIndexArray().GetAt(vertexCounter);
normal.x = leNormal->GetDirectArray().GetAt(id)[0];
normal.y = leNormal->GetDirectArray().GetAt(id)[1];
normal.z = leNormal->GetDirectArray().GetAt(id)[2];
}
break;
default:
break;
}
}
break;
}
}
void FBXImporter::ReadNormals(FBXMeshData* fbxMeshData, int contorlPointIndex, int normalIndex)
{
FbxMesh* mesh = fbxMeshData->mMesh;
vector<XMFLOAT3>& normals = fbxMeshData->mNormals;
if (mesh->GetElementNormalCount() < 1)
{
return;
}
FbxGeometryElementNormal* normalElement = mesh->GetElementNormal(0);
switch (normalElement->GetMappingMode())
{
case FbxGeometryElement::eByControlPoint:
switch (normalElement->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
FbxVector4 fbxNormal = normalElement->GetDirectArray().GetAt(contorlPointIndex);
XMFLOAT3 normal;
normal.x = static_cast<float>(fbxNormal[0]);
normal.y = static_cast<float>(fbxNormal[1]);
normal.z = static_cast<float>(fbxNormal[2]);
normals.push_back(normal);
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = normalElement->GetIndexArray().GetAt(contorlPointIndex);
FbxVector4 fbxNormal = normalElement->GetDirectArray().GetAt(id);
XMFLOAT3 normal;
normal.x = static_cast<float>(fbxNormal[0]);
normal.y = static_cast<float>(fbxNormal[1]);
normal.z = static_cast<float>(fbxNormal[2]);
normals.push_back(normal);
}
default:
break;
}
break;
case FbxGeometryElement::eByPolygonVertex:
switch (normalElement->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
FbxVector4 fbxNormal = normalElement->GetDirectArray().GetAt(normalIndex);
XMFLOAT3 normal;
normal.x = static_cast<float>(fbxNormal[0]);
normal.y = static_cast<float>(fbxNormal[1]);
normal.z = static_cast<float>(fbxNormal[2]);
normals.push_back(normal);
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = normalElement->GetIndexArray().GetAt(normalIndex);
FbxVector4 fbxNormal = normalElement->GetDirectArray().GetAt(id);
XMFLOAT3 normal;
normal.x = static_cast<float>(fbxNormal[0]);
normal.y = static_cast<float>(fbxNormal[1]);
normal.z = static_cast<float>(fbxNormal[2]);
normals.push_back(normal);
}
default:
break;
}
break;
default:
break;
}
}
//converts a FBX mesh to a CC mesh
static ccMesh* FromFbxMesh(FbxMesh* fbxMesh, bool alwaysDisplayLoadDialog/*=true*/, bool* coordinatesShiftEnabled/*=0*/, CCVector3d* coordinatesShift/*=0*/)
{
if (!fbxMesh)
return 0;
int polyCount = fbxMesh->GetPolygonCount();
//fbxMesh->GetLayer(
unsigned triCount = 0;
unsigned polyVertCount = 0; //different from vertCount (vertices can be counted multiple times here!)
//as we can't load all polygons (yet ;) we already look if we can load any!
{
unsigned skipped = 0;
for (int i=0; i<polyCount; ++i)
{
int pSize = fbxMesh->GetPolygonSize(i);
if (pSize == 3)
{
++triCount;
polyVertCount += 3;
}
else if (pSize == 4)
{
triCount += 2;
polyVertCount += 4;
}
else
{
++skipped;
}
}
if (triCount == 0)
{
ccLog::Warning(QString("[FBX] No triangle or quad found in mesh '%1'! (polygons with more than 4 vertices are not supported for the moment)").arg(fbxMesh->GetName()));
return 0;
}
else if (skipped != 0)
{
ccLog::Warning(QString("[FBX] Some polygons in mesh '%1' were ignored (%2): polygons with more than 4 vertices are not supported for the moment)").arg(fbxMesh->GetName()).arg(skipped));
return 0;
}
}
int vertCount = fbxMesh->GetControlPointsCount();
if (vertCount <= 0)
{
ccLog::Warning(QString("[FBX] Mesh '%1' has no vetex or no polygon?!").arg(fbxMesh->GetName()));
return 0;
}
ccPointCloud* vertices = new ccPointCloud("vertices");
ccMesh* mesh = new ccMesh(vertices);
mesh->setName(fbxMesh->GetName());
mesh->addChild(vertices);
vertices->setEnabled(false);
if (!mesh->reserve(static_cast<unsigned>(triCount)) || !vertices->reserve(vertCount))
{
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1'!").arg(fbxMesh->GetName()));
delete mesh;
return 0;
}
//colors
{
for (int l=0; l<fbxMesh->GetElementVertexColorCount(); l++)
{
FbxGeometryElementVertexColor* vertColor = fbxMesh->GetElementVertexColor(l);
//CC can only handle per-vertex colors
if (vertColor->GetMappingMode() == FbxGeometryElement::eByControlPoint)
{
if (vertColor->GetReferenceMode() == FbxGeometryElement::eDirect
|| vertColor->GetReferenceMode() == FbxGeometryElement::eIndexToDirect)
{
if (vertices->reserveTheRGBTable())
{
switch (vertColor->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
for (int i=0; i<vertCount; ++i)
{
FbxColor c = vertColor->GetDirectArray().GetAt(i);
vertices->addRGBColor( static_cast<colorType>(c.mRed * MAX_COLOR_COMP),
static_cast<colorType>(c.mGreen * MAX_COLOR_COMP),
static_cast<colorType>(c.mBlue * MAX_COLOR_COMP) );
}
}
break;
case FbxGeometryElement::eIndexToDirect:
{
for (int i=0; i<vertCount; ++i)
{
int id = vertColor->GetIndexArray().GetAt(i);
FbxColor c = vertColor->GetDirectArray().GetAt(id);
vertices->addRGBColor( static_cast<colorType>(c.mRed * MAX_COLOR_COMP),
static_cast<colorType>(c.mGreen * MAX_COLOR_COMP),
static_cast<colorType>(c.mBlue * MAX_COLOR_COMP) );
}
}
break;
default:
assert(false);
break;
}
vertices->showColors(true);
mesh->showColors(true);
break; //no need to look for other color fields (we won't be able to handle them!
}
else
{
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1' colors!").arg(fbxMesh->GetName()));
}
}
else
{
ccLog::Warning(QString("[FBX] Color field #%i of mesh '%1' will be ignored (unhandled type)").arg(l).arg(fbxMesh->GetName()));
}
}
else
{
ccLog::Warning(QString("[FBX] Color field #%i of mesh '%1' will be ignored (unhandled type)").arg(l).arg(fbxMesh->GetName()));
}
}
}
//normals can be per vertices or per-triangle
int perPointNormals = -1;
int perVertexNormals = -1;
int perPolygonNormals = -1;
{
for (int j=0; j<fbxMesh->GetElementNormalCount(); j++)
{
FbxGeometryElementNormal* leNormals = fbxMesh->GetElementNormal(j);
switch(leNormals->GetMappingMode())
{
case FbxGeometryElement::eByControlPoint:
perPointNormals = j;
break;
case FbxGeometryElement::eByPolygonVertex:
perVertexNormals = j;
break;
case FbxGeometryElement::eByPolygon:
perPolygonNormals = j;
break;
default:
//not handled
break;
}
}
}
//per-point normals
if (perPointNormals >= 0)
{
FbxGeometryElementNormal* leNormals = fbxMesh->GetElementNormal(perPointNormals);
FbxLayerElement::EReferenceMode refMode = leNormals->GetReferenceMode();
const FbxLayerElementArrayTemplate<FbxVector4>& normals = leNormals->GetDirectArray();
assert(normals.GetCount() == vertCount);
if (normals.GetCount() != vertCount)
{
ccLog::Warning(QString("[FBX] Wrong number of normals on mesh '%1'!").arg(fbxMesh->GetName()));
perPointNormals = -1;
}
else if (!vertices->reserveTheNormsTable())
{
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1' normals!").arg(fbxMesh->GetName()));
perPointNormals = -1;
}
else
{
//import normals
for (int i=0; i<vertCount; ++i)
{
int id = refMode != FbxGeometryElement::eDirect ? leNormals->GetIndexArray().GetAt(i) : i;
FbxVector4 N = normals.GetAt(id);
//convert to CC-structure
CCVector3 Npc( static_cast<PointCoordinateType>(N.Buffer()[0]),
static_cast<PointCoordinateType>(N.Buffer()[1]),
static_cast<PointCoordinateType>(N.Buffer()[2]) );
vertices->addNorm(Npc.u);
}
vertices->showNormals(true);
mesh->showNormals(true);
//no need to import the other normals (if any)
perVertexNormals = -1;
perPolygonNormals = -1;
}
}
//per-triangle normals
NormsIndexesTableType* normsTable = 0;
if (perVertexNormals >= 0 || perPolygonNormals >= 0)
{
normsTable = new NormsIndexesTableType();
if (!normsTable->reserve(polyVertCount) || !mesh->reservePerTriangleNormalIndexes())
{
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1' normals!").arg(fbxMesh->GetName()));
normsTable->release();
normsTable = 0;
}
else
{
mesh->setTriNormsTable(normsTable);
mesh->addChild(normsTable);
vertices->showNormals(true);
mesh->showNormals(true);
}
}
//import textures UV
int perVertexUV = -1;
bool hasTexUV = false;
{
for (int l=0; l<fbxMesh->GetElementUVCount(); ++l)
{
FbxGeometryElementUV* leUV = fbxMesh->GetElementUV(l);
//per-point UV coordinates
if (leUV->GetMappingMode() == FbxGeometryElement::eByControlPoint)
{
TextureCoordsContainer* vertTexUVTable = new TextureCoordsContainer();
if (!vertTexUVTable->reserve(vertCount) || !mesh->reservePerTriangleTexCoordIndexes())
{
vertTexUVTable->release();
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1' UV coordinates!").arg(fbxMesh->GetName()));
}
else
{
FbxLayerElement::EReferenceMode refMode = leUV->GetReferenceMode();
for (int i=0; i<vertCount; ++i)
{
int id = refMode != FbxGeometryElement::eDirect ? leUV->GetIndexArray().GetAt(i) : i;
FbxVector2 uv = leUV->GetDirectArray().GetAt(id);
//convert to CC-structure
float uvf[2] = {static_cast<float>(uv.Buffer()[0]),
static_cast<float>(uv.Buffer()[1])};
vertTexUVTable->addElement(uvf);
}
mesh->addChild(vertTexUVTable);
hasTexUV = true;
}
perVertexUV = -1;
break; //no need to look to the other UV fields (can't handle them!)
}
else if (leUV->GetMappingMode() == FbxGeometryElement::eByPolygonVertex)
{
//per-vertex UV coordinates
perVertexUV = l;
}
}
}
//per-vertex UV coordinates
TextureCoordsContainer* texUVTable = 0;
if (perVertexUV >= 0)
{
texUVTable = new TextureCoordsContainer();
if (!texUVTable->reserve(polyVertCount) || !mesh->reservePerTriangleTexCoordIndexes())
{
texUVTable->release();
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1' UV coordinates!").arg(fbxMesh->GetName()));
}
else
{
mesh->addChild(texUVTable);
hasTexUV = true;
}
}
//import polygons
{
for (int i=0; i<polyCount; ++i)
{
int pSize = fbxMesh->GetPolygonSize(i);
if (pSize > 4)
{
//not handled for the moment
continue;
}
//we split quads into two triangles
//vertex indices
int i1 = fbxMesh->GetPolygonVertex(i, 0);
int i2 = fbxMesh->GetPolygonVertex(i, 1);
int i3 = fbxMesh->GetPolygonVertex(i, 2);
mesh->addTriangle(i1,i2,i3);
int i4 = -1;
if (pSize == 4)
{
i4 = fbxMesh->GetPolygonVertex(i, 3);
mesh->addTriangle(i1,i3,i4);
}
if (hasTexUV)
{
if (texUVTable)
{
assert(perVertexUV >= 0);
int uvIndex = static_cast<int>(texUVTable->currentSize());
for (int j=0; j<pSize; ++j)
{
int lTextureUVIndex = fbxMesh->GetTextureUVIndex(i, j);
FbxGeometryElementUV* leUV = fbxMesh->GetElementUV(perVertexUV);
FbxVector2 uv = leUV->GetDirectArray().GetAt(lTextureUVIndex);
//convert to CC-structure
float uvf[2] = {static_cast<float>(uv.Buffer()[0]),
static_cast<float>(uv.Buffer()[1])};
texUVTable->addElement(uvf);
}
mesh->addTriangleTexCoordIndexes(uvIndex,uvIndex+1,uvIndex+2);
if (pSize == 4)
mesh->addTriangleTexCoordIndexes(uvIndex,uvIndex+2,uvIndex+3);
}
else
{
mesh->addTriangleTexCoordIndexes(i1,i2,i3);
if (pSize == 4)
mesh->addTriangleTexCoordIndexes(i1,i3,i4);
}
}
//per-triangle normals
if (normsTable)
{
int nIndex = static_cast<int>(normsTable->currentSize());
for (int j=0; j<pSize; ++j)
{
FbxVector4 N;
fbxMesh->GetPolygonVertexNormal(i, j, N);
CCVector3 Npc( static_cast<PointCoordinateType>(N.Buffer()[0]),
static_cast<PointCoordinateType>(N.Buffer()[1]),
static_cast<PointCoordinateType>(N.Buffer()[2]) );
normsTable->addElement(ccNormalVectors::GetNormIndex(Npc.u));
}
mesh->addTriangleNormalIndexes(nIndex,nIndex+1,nIndex+2);
if (pSize == 4)
mesh->addTriangleNormalIndexes(nIndex,nIndex+2,nIndex+3);
}
}
if (mesh->size() == 0)
{
ccLog::Warning(QString("[FBX] No triangle found in mesh '%1'! (only triangles are supported for the moment)").arg(fbxMesh->GetName()));
delete mesh;
return 0;
}
}
//import vertices
{
const FbxVector4* fbxVertices = fbxMesh->GetControlPoints();
assert(vertices && fbxVertices);
CCVector3d Pshift(0,0,0);
for (int i=0; i<vertCount; ++i, ++fbxVertices)
{
const double* P = fbxVertices->Buffer();
assert(P[3] == 0);
//coordinate shift management
if (i == 0)
{
bool shiftAlreadyEnabled = (coordinatesShiftEnabled && *coordinatesShiftEnabled && coordinatesShift);
if (shiftAlreadyEnabled)
Pshift = *coordinatesShift;
bool applyAll = false;
if ( sizeof(PointCoordinateType) < 8
&& ccCoordinatesShiftManager::Handle(P,0,alwaysDisplayLoadDialog,shiftAlreadyEnabled,Pshift,0,applyAll))
{
vertices->setGlobalShift(Pshift);
ccLog::Warning("[FBX] Mesh has been recentered! Translation: (%.2f,%.2f,%.2f)",Pshift.x,Pshift.y,Pshift.z);
//we save coordinates shift information
if (applyAll && coordinatesShiftEnabled && coordinatesShift)
{
*coordinatesShiftEnabled = true;
*coordinatesShift = Pshift;
}
}
}
CCVector3 PV( static_cast<PointCoordinateType>(P[0] + Pshift.x),
static_cast<PointCoordinateType>(P[1] + Pshift.y),
static_cast<PointCoordinateType>(P[2] + Pshift.z) );
vertices->addPoint(PV);
}
}
//import textures
{
//TODO
}
return mesh;
}
// Converts a CC mesh to an FBX mesh
static FbxNode* ToFbxMesh(ccGenericMesh* mesh, FbxScene* pScene)
{
if (!mesh)
return 0;
FbxMesh* lMesh = FbxMesh::Create(pScene, qPrintable(mesh->getName()));
ccGenericPointCloud* cloud = mesh->getAssociatedCloud();
if (!cloud)
return 0;
unsigned vertCount = cloud->size();
unsigned faceCount = mesh->size();
// Create control points.
{
lMesh->InitControlPoints(vertCount);
FbxVector4* lControlPoints = lMesh->GetControlPoints();
for (unsigned i=0; i<vertCount; ++i)
{
const CCVector3* P = cloud->getPoint(i);
lControlPoints[i] = FbxVector4(P->x,P->y,P->z);
}
}
ccMesh* asCCMesh = 0;
if (mesh->isA(CC_MESH))
asCCMesh = static_cast<ccMesh*>(mesh);
// normals
if (mesh->hasNormals())
{
FbxGeometryElementNormal* lGeometryElementNormal = lMesh->CreateElementNormal();
if (mesh->hasTriNormals())
{
// We want to have one normal per vertex of each polygon,
// so we set the mapping mode to eByPolygonVertex.
lGeometryElementNormal->SetMappingMode(FbxGeometryElement::eByPolygonVertex);
lGeometryElementNormal->SetReferenceMode(FbxGeometryElement::eIndexToDirect);
lGeometryElementNormal->GetIndexArray().SetCount(faceCount*3);
if (asCCMesh)
{
NormsIndexesTableType* triNorms = asCCMesh->getTriNormsTable();
assert(triNorms);
for (unsigned i=0; i<triNorms->currentSize(); ++i)
{
const PointCoordinateType* N = ccNormalVectors::GetNormal(triNorms->getValue(i));
FbxVector4 Nfbx(N[0],N[1],N[2]);
lGeometryElementNormal->GetDirectArray().Add(Nfbx);
}
for (unsigned j=0; j<faceCount; ++j)
{
int i1,i2,i3;
asCCMesh->getTriangleNormalIndexes(j,i1,i2,i3);
lGeometryElementNormal->GetIndexArray().SetAt(static_cast<int>(j)*3+0, i1);
lGeometryElementNormal->GetIndexArray().SetAt(static_cast<int>(j)*3+1, i2);
lGeometryElementNormal->GetIndexArray().SetAt(static_cast<int>(j)*3+2, i3);
}
}
else
{
for (unsigned j=0; j<faceCount; ++j)
{
//we can't use the 'NormsIndexesTable' so we save all the normals of all the vertices
CCVector3 Na,Nb,Nc;
lGeometryElementNormal->GetDirectArray().Add(FbxVector4(Na.x,Na.y,Na.z));
lGeometryElementNormal->GetDirectArray().Add(FbxVector4(Nb.x,Nb.y,Nb.z));
lGeometryElementNormal->GetDirectArray().Add(FbxVector4(Nc.x,Nc.y,Nc.z));
mesh->getTriangleNormals(j,Na,Nb,Nc);
lGeometryElementNormal->GetIndexArray().SetAt(static_cast<int>(j)*3+0, static_cast<int>(j)*3+0);
lGeometryElementNormal->GetIndexArray().SetAt(static_cast<int>(j)*3+1, static_cast<int>(j)*3+1);
lGeometryElementNormal->GetIndexArray().SetAt(static_cast<int>(j)*3+2, static_cast<int>(j)*3+2);
}
}
}
else
{
// We want to have one normal for each vertex (or control point),
// so we set the mapping mode to eByControlPoint.
lGeometryElementNormal->SetMappingMode(FbxGeometryElement::eByControlPoint);
// The first method is to set the actual normal value
// for every control point.
lGeometryElementNormal->SetReferenceMode(FbxGeometryElement::eDirect);
for (unsigned i=0; i<vertCount; ++i)
{
const PointCoordinateType* N = cloud->getPointNormal(i);
FbxVector4 Nfbx(N[0],N[1],N[2]);
lGeometryElementNormal->GetDirectArray().Add(Nfbx);
}
}
}
else
{
ccLog::Warning("[FBX] Mesh has no normal! You can manually compute them (select it then call \"Edit > Normals > Compute\")");
}
// colors
if (cloud->hasColors())
{
FbxGeometryElementVertexColor* lGeometryElementVertexColor = lMesh->CreateElementVertexColor();
lGeometryElementVertexColor->SetMappingMode(FbxGeometryElement::eByControlPoint);
lGeometryElementVertexColor->SetReferenceMode(FbxGeometryElement::eDirect);
for (unsigned i=0; i<vertCount; ++i)
{
const colorType* C = cloud->getPointColor(i);
FbxColor col( FbxDouble3( static_cast<double>(C[0])/MAX_COLOR_COMP,
static_cast<double>(C[1])/MAX_COLOR_COMP,
static_cast<double>(C[2])/MAX_COLOR_COMP ) );
lGeometryElementVertexColor->GetDirectArray().Add(col);
}
}
// Set material mapping.
//FbxGeometryElementMaterial* lMaterialElement = lMesh->CreateElementMaterial();
//lMaterialElement->SetMappingMode(FbxGeometryElement::eByPolygon);
//lMaterialElement->SetReferenceMode(FbxGeometryElement::eIndexToDirect);
// Create polygons. Assign material indices.
{
for (unsigned j=0; j<faceCount; ++j)
{
const CCLib::TriangleSummitsIndexes* tsi = mesh->getTriangleIndexes(j);
lMesh->BeginPolygon(static_cast<int>(j));
lMesh->AddPolygon(tsi->i1);
lMesh->AddPolygon(tsi->i2);
lMesh->AddPolygon(tsi->i3);
lMesh->EndPolygon();
}
}
FbxNode* lNode = FbxNode::Create(pScene,qPrintable(mesh->getName()));
lNode->SetNodeAttribute(lMesh);
//CreateMaterials(pScene, lMesh);
return lNode;
}
HRESULT CStaticMesh::Load_StaticMesh(const char* szFilePath,const char* szFileName, FbxManager* _pFBXManager, FbxIOSettings* _pIOsettings, FbxScene* _pFBXScene, FbxImporter* _pImporter)
{
HRESULT hr = E_FAIL;
vector<UINT> vecIndeces;
string strFullPath;
strFullPath.clear();
strFullPath = szFilePath;
strFullPath += szFileName;//경로에 파일이름 추가
if (!(_pImporter->Initialize(strFullPath.c_str(), -1, _pFBXManager->GetIOSettings())))
FAILED_CHECK_MSG(E_FAIL, L"Static Mesh Init Failed");
if (!(_pImporter->Import(_pFBXScene)))
FAILED_CHECK_MSG(E_FAIL, L"Static Mesh Import Failed");
FbxGeometryConverter clsConverter(_pFBXManager);
clsConverter.Triangulate(_pFBXScene, false);
FbxNode* pRootNode = _pFBXScene->GetRootNode();
if (!pRootNode)
return E_FAIL;
vector<VTXTEX> vecVTXTEX;
for (int i = 0; i < pRootNode->GetChildCount(); ++i)
{
FbxNode* pChildNode = pRootNode->GetChild(i);
if (pChildNode->GetNodeAttribute() == NULL)
continue;
FbxNodeAttribute::EType AttributeType = pChildNode->GetNodeAttribute()->GetAttributeType();
if (AttributeType != FbxNodeAttribute::eMesh)
continue;
FbxMesh* pMesh = (FbxMesh*)pChildNode->GetNodeAttribute(); // 임폴트 하려는 메쉬의 데이터
D3DXVECTOR3 vPos;
D3DXVECTOR2 vOutUV;
D3DXVECTOR3 vOutNormal;
FbxVector4* mControlPoints = pMesh->GetControlPoints();
int iVTXCounter = 0;
for (int j = 0; j < pMesh->GetPolygonCount(); j++) // 폴리곤의 인덱스
{
int iNumVertices = pMesh->GetPolygonSize(j);
assert(iNumVertices == 3);
FbxGeometryElementUV* VtxUV = pMesh->GetElementUV(0);
FbxGeometryElementNormal* VtxNormal = pMesh->GetElementNormal(0);
for (int k = 0; k < iNumVertices; k++) // 폴리곤을 구성하는 버텍스의 인덱스
{
//정점 데이터 얻는곳
int iControlPointIndex = pMesh->GetPolygonVertex(j, k); // 컨트롤 포인트 = 하나의 버텍스
int iTextureUVIndex = pMesh->GetTextureUVIndex(j, k); // Control = Vertex
//int iNormalIndex = pMesh->GetPolygonVertexIndex(j, k);
++iVTXCounter;
vPos.x = (float)mControlPoints[iControlPointIndex].mData[0];
vPos.y = -(float)mControlPoints[iControlPointIndex].mData[1];
vPos.z = (float)mControlPoints[iControlPointIndex].mData[2];
//uv 얻기
switch (VtxUV->GetMappingMode()) // UV값 추출
{
case FbxGeometryElement::eByControlPoint: // 하나의 컨트롤 포인트가 하나의 노멀벡터를 가질때
switch (VtxUV->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
vOutUV.x = static_cast<float>(VtxUV->GetDirectArray().GetAt(iControlPointIndex).mData[0]);
vOutUV.y = static_cast<float>(VtxUV->GetDirectArray().GetAt(iControlPointIndex).mData[1]);
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int index = VtxUV->GetIndexArray().GetAt(iControlPointIndex);
vOutUV.x = static_cast<float>(VtxUV->GetDirectArray().GetAt(index).mData[0]);
vOutUV.y = static_cast<float>(VtxUV->GetDirectArray().GetAt(index).mData[1]);
}
break;
default:
throw std::exception("Invalid Reference");
}
break;
case FbxGeometryElement::eByPolygonVertex: // Sharp Edge 포인트가 존재할때 고로 우리가 실질적으로 쓰는곳
switch (VtxUV->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
vOutUV.x = static_cast<float>(VtxUV->GetDirectArray().GetAt(iTextureUVIndex).mData[0]);
vOutUV.y = 1 - static_cast<float>(VtxUV->GetDirectArray().GetAt(iTextureUVIndex).mData[1]);
}
case FbxGeometryElement::eIndexToDirect:
{
vOutUV.x = static_cast<float>(VtxUV->GetDirectArray().GetAt(iTextureUVIndex).mData[0]);
vOutUV.y = 1 - static_cast<float>(VtxUV->GetDirectArray().GetAt(iTextureUVIndex).mData[1]);
}
break;
default:
throw std::exception("invalid Reference");
}
break;
default:
throw std::exception("Invalid Reference");
break;
}
//노멀얻기
switch (VtxNormal->GetMappingMode()) // 노멀값 추출
{
case FbxGeometryElement::eByControlPoint: // 하나의 컨트롤 포인트가 하나의 노멀벡터를 가질때
switch (VtxNormal->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
vOutNormal.x = static_cast<float>(VtxNormal->GetDirectArray().GetAt(iControlPointIndex).mData[0]);
vOutNormal.y = static_cast<float>(VtxNormal->GetDirectArray().GetAt(iControlPointIndex).mData[1]);
vOutNormal.z = static_cast<float>(VtxNormal->GetDirectArray().GetAt(iControlPointIndex).mData[2]);
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int index = VtxNormal->GetIndexArray().GetAt(iControlPointIndex);
vOutNormal.x = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[0]);
vOutNormal.y = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[1]);
vOutNormal.z = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[2]);
}
break;
default:
throw std::exception("Invalid Reference");
}
break;
case FbxGeometryElement::eByPolygonVertex: // Sharp Edge 포인트가 존재할때 고로 우리가 실질적으로 쓰는곳
switch (VtxNormal->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
int index = VtxNormal->GetIndexArray().GetAt(iVTXCounter);
vOutNormal.x = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[0]);
vOutNormal.y = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[1]);
vOutNormal.z = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[2]);
}
case FbxGeometryElement::eIndexToDirect:
{
int index = VtxNormal->GetIndexArray().GetAt(iVTXCounter);
vOutNormal.x = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[0]);
vOutNormal.y = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[1]);
vOutNormal.z = static_cast<float>(VtxNormal->GetDirectArray().GetAt(index).mData[2]);
}
break;
default:
throw std::exception("invalid Reference");
}
break;
default:
throw std::exception("Invalid Reference");
break;
}
VTXTEX vtxtex;
vtxtex.vPos = vPos;
vtxtex.vNormal = vOutNormal;
vtxtex.vTexUV = vOutUV;
vecVTXTEX.push_back(vtxtex);
//int index = VtxUV->GetIndexArray().GetAt(iTextureUVIndex);
vecIndeces.push_back(VtxUV->GetIndexArray().GetAt(iTextureUVIndex));
}
}
}
unsigned int n = vecVTXTEX.size();
VTXTEX* pVTXTex = new VTXTEX[n];
for (unsigned int i = 0; i < vecVTXTEX.size(); ++i)
{
pVTXTex[i].vPos = vecVTXTEX[i].vPos;
pVTXTex[i].vNormal = vecVTXTEX[i].vNormal;
pVTXTex[i].vTexUV = vecVTXTEX[i].vTexUV;
}
m_iVertices = vecVTXTEX.size();
m_iVertexStrides = sizeof(VTXTEX);
m_iVertexOffsets = 0;
MakeVertexNormal((BYTE*)pVTXTex, NULL);
D3D11_BUFFER_DESC tBufferDesc;
ZeroMemory(&tBufferDesc, sizeof(D3D11_BUFFER_DESC));
tBufferDesc.Usage = D3D11_USAGE_DEFAULT;
tBufferDesc.ByteWidth = m_iVertexStrides * m_iVertices;
tBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
tBufferDesc.CPUAccessFlags = 0;
D3D11_SUBRESOURCE_DATA tData;
ZeroMemory(&tData, sizeof(D3D11_SUBRESOURCE_DATA));
tData.pSysMem = pVTXTex;
hr = CDevice::GetInstance()->m_pDevice->CreateBuffer(&tBufferDesc, &tData, &m_VertexBuffer);
::Safe_Delete(pVTXTex);
if (FAILED(hr))
return E_FAIL;
D3D11_BUFFER_DESC cbd;
cbd.Usage = D3D11_USAGE_DEFAULT;
cbd.ByteWidth = sizeof(ConstantBuffer);
cbd.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
cbd.CPUAccessFlags = 0;
cbd.MiscFlags = 0;
cbd.StructureByteStride = 0;
hr = CDevice::GetInstance()->m_pDevice->CreateBuffer(&cbd, NULL, &m_ConstantBuffer);
if (FAILED(hr))
{
MessageBox(NULL, L"System Message", L"Constant Buffer Error", MB_OK);
return hr;
}
return S_OK;
}
void ExportFbxMesh(const Value& obj)
{
string name = obj["Name"].GetString();
FbxNode* pNode = FbxNode::Create(pManager, name.c_str());
FbxMesh* pMesh = FbxMesh::Create(pManager, name.c_str());
pNode->AddNodeAttribute(pMesh);
pScene->GetRootNode()->AddChild(pNode);
int numVertex = obj["NumVertex"].GetInt();
{
pMesh->InitControlPoints(numVertex);
FbxVector4* lControlPoints = pMesh->GetControlPoints();
const Value& pos = obj["Position"];
for (int i = 0; i < numVertex; i++)
{
double x = pos[i * 3 + 0].GetDouble();
x = -x;
double y = pos[i * 3 + 1].GetDouble();
double z = pos[i * 3 + 2].GetDouble();
lControlPoints[i] = FbxVector4(x, y, z);
}
}
{
FbxGeometryElementNormal* lGeometryElementNormal = pMesh->CreateElementNormal();
lGeometryElementNormal->SetMappingMode(FbxGeometryElement::eByControlPoint);
lGeometryElementNormal->SetReferenceMode(FbxGeometryElement::eDirect);
FbxLayerElementArrayTemplate<FbxVector4>& array = lGeometryElementNormal->GetDirectArray();
const Value& normal = obj["Normal"];
for (int i = 0; i < numVertex; i++)
{
double x = normal[i * 3 + 0].GetDouble();
x = -x;
double y = normal[i * 3 + 1].GetDouble();
double z = normal[i * 3 + 2].GetDouble();
array.Add(FbxVector4(x, y, z));
}
}
{
FbxGeometryElementUV* lUVDiffuseElement = pMesh->CreateElementUV("DiffuseUV");
FBX_ASSERT(lUVDiffuseElement != NULL);
lUVDiffuseElement->SetMappingMode(FbxGeometryElement::eByControlPoint);
lUVDiffuseElement->SetReferenceMode(FbxGeometryElement::eDirect);
FbxLayerElementArrayTemplate<FbxVector2>& array = lUVDiffuseElement->GetDirectArray();
const Value& v = obj["UV0"];
for (int i = 0; i < numVertex; i++)
{
double x = v[i * 2 + 0].GetDouble();
double y = v[i * 2 + 1].GetDouble();
array.Add(FbxVector2(x, y));
}
}
{
const Value& color = obj["Color"];
if (!color.IsNull())
{
FbxGeometryElementVertexColor* pColorElement = pMesh->CreateElementVertexColor();
FBX_ASSERT(pColorElement != NULL);
pColorElement->SetMappingMode(FbxGeometryElement::eByControlPoint);
pColorElement->SetReferenceMode(FbxGeometryElement::eDirect);
FbxLayerElementArrayTemplate<FbxColor>& array = pColorElement->GetDirectArray();
for (int i = 0; i < numVertex; i++)
{
double r = color[i * 4 + 0].GetDouble();
double g = color[i * 4 + 1].GetDouble();
double b = color[i * 4 + 2].GetDouble();
double a = color[i * 4 + 3].GetDouble();
array.Add(FbxColor(r, g, b, a));
}
}
}
{
const Value& Indeices = obj["Indeices"];
for (uint32_t subMesh = 0; subMesh < Indeices.Size(); subMesh++)
{
const Value& index0 = Indeices[subMesh];
int numIndex = index0.Size();
printf("index %d\n", numIndex);
for (int i = 0; i < numIndex / 3; i++)
{
pMesh->BeginPolygon(-1, -1, subMesh);
int index[3] = {
index0[i * 3 + 0].GetInt(),
index0[i * 3 + 1].GetInt(),
index0[i * 3 + 2].GetInt(),
};
pMesh->AddPolygon(index[0]);
pMesh->AddPolygon(index[2]);
pMesh->AddPolygon(index[1]);
pMesh->EndPolygon();
}
}
}
//////////////////////////////////////////////////////////////////////////
// export skin
const Value& boneIndex = obj["BoneIndex"];
if (!boneIndex.IsNull())
{
if (fbxBones.empty())
{
printf("no bones, can not export skin");
return;
}
const Value& boneWeight = obj["BoneWeight"];
vector<FbxCluster*> clusters(fbxBones.size(), NULL);
for (uint32_t i = 0; i < fbxBones.size(); i++) {
FbxCluster* pCluster = FbxCluster::Create(pScene, "");
pCluster->SetLink(fbxBones[i]);
pCluster->SetLinkMode(FbxCluster::eTotalOne);
clusters[i] = pCluster;
}
for (int i = 0; i < numVertex; i++) {
for (int j = 0; j < 4; j++) {
int bone = boneIndex[i * 4 + j].GetInt();
double weight = boneWeight[i * 4 + j].GetDouble();
clusters[bone]->AddControlPointIndex(i, weight);
}
}
FbxSkin* lSkin = FbxSkin::Create(pScene, "");
FbxScene* p = pNode->GetScene();
FbxAMatrix modelMatrix = pNode->EvaluateGlobalTransform();
for (uint32_t i = 0; i < clusters.size(); i++) {
clusters[i]->SetTransformMatrix(modelMatrix);
FbxAMatrix boneMatrix = fbxBones[i]->EvaluateGlobalTransform();
clusters[i]->SetTransformLinkMatrix(boneMatrix);
lSkin->AddCluster(clusters[i]);
}
pMesh->AddDeformer(lSkin);
}
}
void fbxLoader2::readNormal(FbxMesh* mesh, int controlPointIndex, D3DXVECTOR3* normal)
{
if (mesh->GetElementNormalCount()<1)
{
return;
}
FbxGeometryElementNormal* normalEl = mesh->GetElementNormal(0);
switch(normalEl->GetMappingMode())
{
case FbxGeometryElement::eDirect:
{
switch(normalEl->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
normal->x = (float)normalEl->GetDirectArray().GetAt(controlPointIndex).mData[0];
normal->y = (float)normalEl->GetDirectArray().GetAt(controlPointIndex).mData[1];
normal->z = (float)normalEl->GetDirectArray().GetAt(controlPointIndex).mData[2];
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = normalEl->GetIndexArray().GetAt(controlPointIndex);
normal->x = (float)normalEl->GetDirectArray().GetAt(id).mData[0];
normal->y = (float)normalEl->GetDirectArray().GetAt(id).mData[1];
normal->z = (float)normalEl->GetDirectArray().GetAt(id).mData[2];
}
break;
}
}
break;
case FbxGeometryElement::eByPolygonVertex:
{
switch(normalEl->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
normal->x = (float)normalEl->GetDirectArray().GetAt(controlPointIndex).mData[0];
normal->y = (float)normalEl->GetDirectArray().GetAt(controlPointIndex).mData[1];
normal->z = (float)normalEl->GetDirectArray().GetAt(controlPointIndex).mData[2];
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = normalEl->GetIndexArray().GetAt(controlPointIndex);
normal->x = (float)normalEl->GetDirectArray().GetAt(id).mData[0];
normal->y = (float)normalEl->GetDirectArray().GetAt(id).mData[1];
normal->z = (float)normalEl->GetDirectArray().GetAt(id).mData[2];
}
break;
}
}
break;
default:
int id = normalEl->GetIndexArray().GetAt(controlPointIndex);
normal->x = (float)normalEl->GetDirectArray().GetAt(id).mData[0];
normal->y = (float)normalEl->GetDirectArray().GetAt(id).mData[1];
normal->z = (float)normalEl->GetDirectArray().GetAt(id).mData[2];
}
}
//converts a FBX mesh to a CC mesh
static ccMesh* FromFbxMesh(FbxMesh* fbxMesh, FileIOFilter::LoadParameters& parameters)
{
if (!fbxMesh)
return 0;
int polyCount = fbxMesh->GetPolygonCount();
//fbxMesh->GetLayer(
unsigned triCount = 0;
unsigned polyVertCount = 0; //different from vertCount (vertices can be counted multiple times here!)
//as we can't load all polygons (yet ;) we already look if we can load any!
{
unsigned skipped = 0;
for (int i=0; i<polyCount; ++i)
{
int pSize = fbxMesh->GetPolygonSize(i);
if (pSize == 3)
{
++triCount;
polyVertCount += 3;
}
else if (pSize == 4)
{
triCount += 2;
polyVertCount += 4;
}
else
{
++skipped;
}
}
if (triCount == 0)
{
ccLog::Warning(QString("[FBX] No triangle or quad found in mesh '%1'! (polygons with more than 4 vertices are not supported for the moment)").arg(fbxMesh->GetName()));
return 0;
}
else if (skipped != 0)
{
ccLog::Warning(QString("[FBX] Some polygons in mesh '%1' were ignored (%2): polygons with more than 4 vertices are not supported for the moment)").arg(fbxMesh->GetName()).arg(skipped));
return 0;
}
}
int vertCount = fbxMesh->GetControlPointsCount();
if (vertCount <= 0)
{
ccLog::Warning(QString("[FBX] Mesh '%1' has no vetex or no polygon?!").arg(fbxMesh->GetName()));
return 0;
}
ccPointCloud* vertices = new ccPointCloud("vertices");
ccMesh* mesh = new ccMesh(vertices);
mesh->setName(fbxMesh->GetName());
mesh->addChild(vertices);
vertices->setEnabled(false);
if (!mesh->reserve(static_cast<unsigned>(triCount)) || !vertices->reserve(vertCount))
{
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1'!").arg(fbxMesh->GetName()));
delete mesh;
return 0;
}
//colors
{
for (int l=0; l<fbxMesh->GetElementVertexColorCount(); l++)
{
FbxGeometryElementVertexColor* vertColor = fbxMesh->GetElementVertexColor(l);
//CC can only handle per-vertex colors
if (vertColor->GetMappingMode() == FbxGeometryElement::eByControlPoint)
{
if (vertColor->GetReferenceMode() == FbxGeometryElement::eDirect
|| vertColor->GetReferenceMode() == FbxGeometryElement::eIndexToDirect)
{
if (vertices->reserveTheRGBTable())
{
switch (vertColor->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
for (int i=0; i<vertCount; ++i)
{
FbxColor c = vertColor->GetDirectArray().GetAt(i);
vertices->addRGBColor( static_cast<colorType>(c.mRed * ccColor::MAX),
static_cast<colorType>(c.mGreen * ccColor::MAX),
static_cast<colorType>(c.mBlue * ccColor::MAX) );
}
}
break;
case FbxGeometryElement::eIndexToDirect:
{
for (int i=0; i<vertCount; ++i)
{
int id = vertColor->GetIndexArray().GetAt(i);
FbxColor c = vertColor->GetDirectArray().GetAt(id);
vertices->addRGBColor( static_cast<colorType>(c.mRed * ccColor::MAX),
static_cast<colorType>(c.mGreen * ccColor::MAX),
static_cast<colorType>(c.mBlue * ccColor::MAX) );
}
}
break;
default:
assert(false);
break;
}
vertices->showColors(true);
mesh->showColors(true);
break; //no need to look for other color fields (we won't be able to handle them!
}
else
{
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1' colors!").arg(fbxMesh->GetName()));
}
}
else
{
ccLog::Warning(QString("[FBX] Color field #%i of mesh '%1' will be ignored (unhandled type)").arg(l).arg(fbxMesh->GetName()));
}
}
else
{
ccLog::Warning(QString("[FBX] Color field #%i of mesh '%1' will be ignored (unhandled type)").arg(l).arg(fbxMesh->GetName()));
}
}
}
//normals can be per vertices or per-triangle
int perPointNormals = -1;
int perVertexNormals = -1;
int perPolygonNormals = -1;
{
for (int j=0; j<fbxMesh->GetElementNormalCount(); j++)
{
FbxGeometryElementNormal* leNormals = fbxMesh->GetElementNormal(j);
switch(leNormals->GetMappingMode())
{
case FbxGeometryElement::eByControlPoint:
perPointNormals = j;
break;
case FbxGeometryElement::eByPolygonVertex:
perVertexNormals = j;
break;
case FbxGeometryElement::eByPolygon:
perPolygonNormals = j;
break;
default:
//not handled
break;
}
}
}
//per-point normals
if (perPointNormals >= 0)
{
FbxGeometryElementNormal* leNormals = fbxMesh->GetElementNormal(perPointNormals);
FbxLayerElement::EReferenceMode refMode = leNormals->GetReferenceMode();
const FbxLayerElementArrayTemplate<FbxVector4>& normals = leNormals->GetDirectArray();
assert(normals.GetCount() == vertCount);
if (normals.GetCount() != vertCount)
{
ccLog::Warning(QString("[FBX] Wrong number of normals on mesh '%1'!").arg(fbxMesh->GetName()));
perPointNormals = -1;
}
else if (!vertices->reserveTheNormsTable())
{
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1' normals!").arg(fbxMesh->GetName()));
perPointNormals = -1;
}
else
{
//import normals
for (int i=0; i<vertCount; ++i)
{
int id = refMode != FbxGeometryElement::eDirect ? leNormals->GetIndexArray().GetAt(i) : i;
FbxVector4 N = normals.GetAt(id);
//convert to CC-structure
CCVector3 Npc( static_cast<PointCoordinateType>(N.Buffer()[0]),
static_cast<PointCoordinateType>(N.Buffer()[1]),
static_cast<PointCoordinateType>(N.Buffer()[2]) );
vertices->addNorm(Npc);
}
vertices->showNormals(true);
mesh->showNormals(true);
//no need to import the other normals (if any)
perVertexNormals = -1;
perPolygonNormals = -1;
}
}
//per-triangle normals
NormsIndexesTableType* normsTable = 0;
if (perVertexNormals >= 0 || perPolygonNormals >= 0)
{
normsTable = new NormsIndexesTableType();
if (!normsTable->reserve(polyVertCount) || !mesh->reservePerTriangleNormalIndexes())
{
ccLog::Warning(QString("[FBX] Not enough memory to load mesh '%1' normals!").arg(fbxMesh->GetName()));
normsTable->release();
normsTable = 0;
}
else
{
mesh->setTriNormsTable(normsTable);
vertices->showNormals(true);
mesh->showNormals(true);
}
}
//materials
ccMaterialSet* materials = 0;
{
FbxNode* lNode = fbxMesh->GetNode();
int lMaterialCount = lNode ? lNode->GetMaterialCount() : 0;
for (int i=0; i<lMaterialCount; i++)
{
FbxSurfaceMaterial *lBaseMaterial = lNode->GetMaterial(i);
bool isLambert = lBaseMaterial->GetClassId().Is(FbxSurfaceLambert::ClassId);
bool isPhong = lBaseMaterial->GetClassId().Is(FbxSurfacePhong::ClassId);
if (isLambert || isPhong)
{
ccMaterial::Shared mat(new ccMaterial(lBaseMaterial->GetName()));
FbxSurfaceLambert* lLambertMat = static_cast<FbxSurfaceLambert*>(lBaseMaterial);
float ambient[4];
float diffuse[4];
float emission[4];
float specular[4];
FbxSurfacePhong* lPhongMat = isPhong ? static_cast<FbxSurfacePhong*>(lBaseMaterial) : 0;
for (int k=0; k<3; ++k)
{
ambient[k] = static_cast<float>(lLambertMat->Ambient.Get()[k]);
diffuse[k] = static_cast<float>(lLambertMat->Diffuse.Get()[k]);
emission[k] = static_cast<float>(lLambertMat->Emissive.Get()[k]);
if (lPhongMat)
{
specular[k] = static_cast<float>(lPhongMat->Specular.Get()[k]);
}
}
mat->setAmbient(ambient);
mat->setDiffuse(diffuse);
mat->setEmission(emission);
if (isPhong)
{
mat->setSpecular(specular);
assert(lPhongMat);
mat->setShininess(static_cast<float>(lPhongMat->Shininess));
}
//import associated texture (if any)
{
int lTextureIndex;
FBXSDK_FOR_EACH_TEXTURE(lTextureIndex)
{
FbxProperty lProperty = lBaseMaterial->FindProperty(FbxLayerElement::sTextureChannelNames[lTextureIndex]);
if( lProperty.IsValid() )
{
int lTextureCount = lProperty.GetSrcObjectCount<FbxTexture>();
FbxTexture* texture = 0; //we can handle only one texture per material! We'll take the non layered one by default (if any)
for (int j = 0; j < lTextureCount; ++j)
{
//Here we have to check if it's layeredtextures, or just textures:
FbxLayeredTexture *lLayeredTexture = lProperty.GetSrcObject<FbxLayeredTexture>(j);
if (lLayeredTexture)
{
//we don't handle layered textures!
/*int lNbTextures = lLayeredTexture->GetSrcObjectCount<FbxTexture>();
for (int k=0; k<lNbTextures; ++k)
{
FbxTexture* lTexture = lLayeredTexture->GetSrcObject<FbxTexture>(k);
if(lTexture)
{
}
}
//*/
}
else
{
//non-layered texture
FbxTexture* lTexture = lProperty.GetSrcObject<FbxTexture>(j);
if(lTexture)
{
//we take the first non layered texture by default
texture = lTexture;
break;
}
}
}
if (texture)
{
FbxFileTexture *lFileTexture = FbxCast<FbxFileTexture>(texture);
if (lFileTexture)
{
const char* texAbsoluteFilename = lFileTexture->GetFileName();
ccLog::PrintDebug(QString("[FBX] Texture absolue filename: %1").arg(texAbsoluteFilename));
if (texAbsoluteFilename != 0 && texAbsoluteFilename[0] != 0)
{
if (!mat->loadAndSetTexture(texAbsoluteFilename))
{
ccLog::Warning(QString("[FBX] Failed to load texture file: %1").arg(texAbsoluteFilename));
}
}
}
}
}
}
}
if (!materials)
{
materials = new ccMaterialSet("materials");
mesh->addChild(materials);
}
materials->addMaterial(mat);
}
else
{
ccLog::Warning(QString("[FBX] Material '%1' has an unhandled type").arg(lBaseMaterial->GetName()));
}
}
// Converts a CC mesh to an FBX mesh
static FbxNode* ToFbxMesh(ccGenericMesh* mesh, FbxScene* pScene, QString filename, size_t meshIndex)
{
if (!mesh)
return 0;
FbxNode* lNode = FbxNode::Create(pScene,qPrintable(mesh->getName()));
FbxMesh* lMesh = FbxMesh::Create(pScene, qPrintable(mesh->getName()));
lNode->SetNodeAttribute(lMesh);
ccGenericPointCloud* cloud = mesh->getAssociatedCloud();
if (!cloud)
return 0;
unsigned vertCount = cloud->size();
unsigned faceCount = mesh->size();
// Create control points.
{
lMesh->InitControlPoints(vertCount);
FbxVector4* lControlPoints = lMesh->GetControlPoints();
for (unsigned i=0; i<vertCount; ++i)
{
const CCVector3* P = cloud->getPoint(i);
lControlPoints[i] = FbxVector4(P->x,P->y,P->z);
//lControlPoints[i] = FbxVector4(P->x,P->z,-P->y); //DGM: see loadFile (Y and Z are inverted)
}
}
ccMesh* asCCMesh = 0;
if (mesh->isA(CC_TYPES::MESH))
asCCMesh = static_cast<ccMesh*>(mesh);
// normals
if (mesh->hasNormals())
{
FbxGeometryElementNormal* lGeometryElementNormal = lMesh->CreateElementNormal();
if (mesh->hasTriNormals())
{
// We want to have one normal per vertex of each polygon,
// so we set the mapping mode to eByPolygonVertex.
lGeometryElementNormal->SetMappingMode(FbxGeometryElement::eByPolygonVertex);
lGeometryElementNormal->SetReferenceMode(FbxGeometryElement::eIndexToDirect);
lGeometryElementNormal->GetIndexArray().SetCount(faceCount*3);
if (asCCMesh)
{
NormsIndexesTableType* triNorms = asCCMesh->getTriNormsTable();
assert(triNorms);
for (unsigned i=0; i<triNorms->currentSize(); ++i)
{
const CCVector3& N = ccNormalVectors::GetNormal(triNorms->getValue(i));
FbxVector4 Nfbx(N.x,N.y,N.z);
lGeometryElementNormal->GetDirectArray().Add(Nfbx);
}
for (unsigned j=0; j<faceCount; ++j)
{
int i1,i2,i3;
asCCMesh->getTriangleNormalIndexes(j,i1,i2,i3);
lGeometryElementNormal->GetIndexArray().SetAt(static_cast<int>(j)*3+0, i1);
lGeometryElementNormal->GetIndexArray().SetAt(static_cast<int>(j)*3+1, i2);
lGeometryElementNormal->GetIndexArray().SetAt(static_cast<int>(j)*3+2, i3);
}
}
else
{
for (unsigned j=0; j<faceCount; ++j)
{
//we can't use the 'NormsIndexesTable' so we save all the normals of all the vertices
CCVector3 Na,Nb,Nc;
lGeometryElementNormal->GetDirectArray().Add(FbxVector4(Na.x,Na.y,Na.z));
lGeometryElementNormal->GetDirectArray().Add(FbxVector4(Nb.x,Nb.y,Nb.z));
lGeometryElementNormal->GetDirectArray().Add(FbxVector4(Nc.x,Nc.y,Nc.z));
mesh->getTriangleNormals(j,Na,Nb,Nc);
lGeometryElementNormal->GetIndexArray().SetAt(static_cast<int>(j)*3+0, static_cast<int>(j)*3+0);
lGeometryElementNormal->GetIndexArray().SetAt(static_cast<int>(j)*3+1, static_cast<int>(j)*3+1);
lGeometryElementNormal->GetIndexArray().SetAt(static_cast<int>(j)*3+2, static_cast<int>(j)*3+2);
}
}
}
else
{
// We want to have one normal for each vertex (or control point),
// so we set the mapping mode to eByControlPoint.
lGeometryElementNormal->SetMappingMode(FbxGeometryElement::eByControlPoint);
// The first method is to set the actual normal value
// for every control point.
lGeometryElementNormal->SetReferenceMode(FbxGeometryElement::eDirect);
for (unsigned i=0; i<vertCount; ++i)
{
const CCVector3& N = cloud->getPointNormal(i);
FbxVector4 Nfbx(N.x,N.y,N.z);
lGeometryElementNormal->GetDirectArray().Add(Nfbx);
}
}
}
else
{
ccLog::Warning("[FBX] Mesh has no normal! You can manually compute them (select it then call \"Edit > Normals > Compute\")");
}
// Set material mapping.
bool hasMaterial = false;
if (asCCMesh && asCCMesh->hasMaterials())
{
const ccMaterialSet* matSet = asCCMesh->getMaterialSet();
size_t matCount = matSet->size();
//check if we have textures
bool hasTextures = asCCMesh->hasTextures();
if (hasTextures)
{
//check that we actually have materials with textures as well!
hasTextures = false;
for (size_t i=0; i<matCount; ++i)
{
ccMaterial::CShared mat = matSet->at(i);
if (mat->hasTexture())
{
hasTextures = true;
break;
}
}
}
static const char gDiffuseElementName[] = "DiffuseUV";
// Create UV for Diffuse channel
if (hasTextures)
{
FbxGeometryElementUV* lUVDiffuseElement = lMesh->CreateElementUV(gDiffuseElementName);
assert(lUVDiffuseElement != 0);
lUVDiffuseElement->SetMappingMode(FbxGeometryElement::eByPolygonVertex);
lUVDiffuseElement->SetReferenceMode(FbxGeometryElement::eIndexToDirect);
//fill Direct Array
const TextureCoordsContainer* texCoords = asCCMesh->getTexCoordinatesTable();
assert(texCoords);
if (texCoords)
{
unsigned count = texCoords->currentSize();
lUVDiffuseElement->GetDirectArray().SetCount(static_cast<int>(count));
for (unsigned i=0; i<count; ++i)
{
const float* uv = texCoords->getValue(i);
lUVDiffuseElement->GetDirectArray().SetAt(i,FbxVector2(uv[0],uv[1]));
}
}
//fill Indexes Array
assert(asCCMesh->hasPerTriangleTexCoordIndexes());
if (asCCMesh->hasPerTriangleTexCoordIndexes())
{
unsigned triCount = asCCMesh->size();
lUVDiffuseElement->GetIndexArray().SetCount(static_cast<int>(3*triCount));
for (unsigned j=0; j<triCount; ++j)
{
int t1=0, t2=0, t3=0;
asCCMesh->getTriangleTexCoordinatesIndexes(j, t1, t2, t3);
lUVDiffuseElement->GetIndexArray().SetAt(j*3+0,t1);
lUVDiffuseElement->GetIndexArray().SetAt(j*3+1,t2);
lUVDiffuseElement->GetIndexArray().SetAt(j*3+2,t3);
}
}
}
//Textures used in this file
QMap<QString,QString> texFilenames;
//directory to save textures (if any)
QFileInfo info(filename);
QString textDirName = info.baseName() + QString(".fbm");
QDir baseDir = info.absoluteDir();
QDir texDir = QDir(baseDir.absolutePath() + QString("/") + textDirName);
for (size_t i=0; i<matCount; ++i)
{
ccMaterial::CShared mat = matSet->at(i);
FbxSurfacePhong *lMaterial = FbxSurfacePhong::Create(pScene, qPrintable(mat->getName()));
const ccColor::Rgbaf& emission = mat->getEmission();
const ccColor::Rgbaf& ambient = mat->getAmbient();
const ccColor::Rgbaf& diffuse = mat->getDiffuseFront();
const ccColor::Rgbaf& specular = mat->getDiffuseFront();
lMaterial->Emissive.Set(FbxDouble3(emission.r,emission.g,emission.b));
lMaterial->Ambient .Set(FbxDouble3( ambient.r, ambient.g, ambient.b));
lMaterial->Diffuse .Set(FbxDouble3( diffuse.r, diffuse.g, diffuse.b));
lMaterial->Specular.Set(FbxDouble3(specular.r,specular.g,specular.b));
lMaterial->Shininess = mat->getShininessFront();
lMaterial->ShadingModel.Set("Phong");
if (hasTextures && mat->hasTexture())
{
QString texFilename = mat->getTextureFilename();
//texture has not already been processed
if (!texFilenames.contains(texFilename))
{
//if necessary, we (try to) create a subfolder to store textures
if (!texDir.exists())
{
texDir = baseDir;
if (texDir.mkdir(textDirName))
{
texDir.cd(textDirName);
}
else
{
textDirName = QString();
ccLog::Warning("[FBX] Failed to create subfolder '%1' to store texture files (files will be stored next to the .fbx file)");
}
}
QFileInfo fileInfo(texFilename);
QString baseTexName = fileInfo.fileName();
//add extension
QString extension = QFileInfo(texFilename).suffix();
if (fileInfo.suffix().isEmpty())
baseTexName += QString(".png");
QString absoluteFilename = texDir.absolutePath() + QString("/") + baseTexName;
ccLog::PrintDebug(QString("[FBX] Material '%1' texture: %2").arg(mat->getName()).arg(absoluteFilename));
texFilenames[texFilename] = absoluteFilename;
}
//mat.texture.save(absoluteFilename);
// Set texture properties.
FbxFileTexture* lTexture = FbxFileTexture::Create(pScene,"DiffuseTexture");
assert(!texFilenames[texFilename].isEmpty());
lTexture->SetFileName(qPrintable(texFilenames[texFilename]));
lTexture->SetTextureUse(FbxTexture::eStandard);
lTexture->SetMappingType(FbxTexture::eUV);
lTexture->SetMaterialUse(FbxFileTexture::eModelMaterial);
lTexture->SetSwapUV(false);
lTexture->SetTranslation(0.0, 0.0);
lTexture->SetScale(1.0, 1.0);
lTexture->SetRotation(0.0, 0.0);
lTexture->UVSet.Set(FbxString(gDiffuseElementName)); // Connect texture to the proper UV
// don't forget to connect the texture to the corresponding property of the material
lMaterial->Diffuse.ConnectSrcObject(lTexture);
}
int matIndex = lNode->AddMaterial(lMaterial);
assert(matIndex == static_cast<int>(i));
}
//don't forget to save the texture files
{
for (QMap<QString,QString>::ConstIterator it = texFilenames.begin(); it != texFilenames.end(); ++it)
{
const QImage image = ccMaterial::GetTexture(it.key());
image.mirrored().save(it.value());
}
texFilenames.clear(); //don't need this anymore!
}
// Create 'triangle to material index' mapping
{
FbxGeometryElementMaterial* lMaterialElement = lMesh->CreateElementMaterial();
lMaterialElement->SetMappingMode(FbxGeometryElement::eByPolygon);
lMaterialElement->SetReferenceMode(FbxGeometryElement::eIndexToDirect);
}
hasMaterial = true;
}
// colors
if (cloud->hasColors())
{
FbxGeometryElementVertexColor* lGeometryElementVertexColor = lMesh->CreateElementVertexColor();
lGeometryElementVertexColor->SetMappingMode(FbxGeometryElement::eByControlPoint);
lGeometryElementVertexColor->SetReferenceMode(FbxGeometryElement::eDirect);
lGeometryElementVertexColor->GetDirectArray().SetCount(vertCount);
for (unsigned i=0; i<vertCount; ++i)
{
const colorType* C = cloud->getPointColor(i);
FbxColor col( static_cast<double>(C[0])/ccColor::MAX,
static_cast<double>(C[1])/ccColor::MAX,
static_cast<double>(C[2])/ccColor::MAX );
lGeometryElementVertexColor->GetDirectArray().SetAt(i,col);
}
if (!hasMaterial)
{
//it seems that we have to create a fake material in order for the colors to be displayed (in Unity and FBX Review at least)!
FbxSurfacePhong *lMaterial = FbxSurfacePhong::Create(pScene, "ColorMaterial");
lMaterial->Emissive.Set(FbxDouble3(0,0,0));
lMaterial->Ambient.Set(FbxDouble3(0,0,0));
lMaterial->Diffuse.Set(FbxDouble3(1,1,1));
lMaterial->Specular.Set(FbxDouble3(0,0,0));
lMaterial->Shininess = 0;
lMaterial->ShadingModel.Set("Phong");
FbxGeometryElementMaterial* lMaterialElement = lMesh->CreateElementMaterial();
lMaterialElement->SetMappingMode(FbxGeometryElement::eAllSame);
lMaterialElement->SetReferenceMode(FbxGeometryElement::eDirect);
lNode->AddMaterial(lMaterial);
}
}
// Create polygons
{
for (unsigned j=0; j<faceCount; ++j)
{
const CCLib::TriangleSummitsIndexes* tsi = mesh->getTriangleIndexes(j);
int matIndex = hasMaterial ? asCCMesh->getTriangleMtlIndex(j) : -1;
lMesh->BeginPolygon(matIndex);
lMesh->AddPolygon(tsi->i1);
lMesh->AddPolygon(tsi->i2);
lMesh->AddPolygon(tsi->i3);
lMesh->EndPolygon();
}
}
return lNode;
}
//===============================================================================================================================
bool FBXLoader::LoadVertexNormal(FbxMesh* mesh, int inCtrlPointIndex, int inVertexCounter, int normalElement, XMFLOAT3& outNormal)
{
if (mesh->GetElementNormalCount() < 1)
{
throw std::exception("Invalid Normal Number");
}
int directIndex = -1;
FbxGeometryElementNormal* vertexNormal = mesh->GetElementNormal(normalElement);
switch (vertexNormal->GetMappingMode())
{
case FbxGeometryElement::eByControlPoint:
{
switch (vertexNormal->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
directIndex = inCtrlPointIndex;
//outNormal.x = static_cast<float>(vertexNormal->GetDirectArray().GetAt(inCtrlPointIndex).mData[0]);
//outNormal.y = static_cast<float>(vertexNormal->GetDirectArray().GetAt(inCtrlPointIndex).mData[1]);
//outNormal.z = static_cast<float>(vertexNormal->GetDirectArray().GetAt(inCtrlPointIndex).mData[2]);
}
break;
case FbxGeometryElement::eIndexToDirect:
{
directIndex = vertexNormal->GetIndexArray().GetAt(inCtrlPointIndex);
//int index = vertexNormal->GetIndexArray().GetAt(inCtrlPointIndex);
//outNormal.x = static_cast<float>(vertexNormal->GetDirectArray().GetAt(index).mData[0]);
//outNormal.y = static_cast<float>(vertexNormal->GetDirectArray().GetAt(index).mData[1]);
//outNormal.z = static_cast<float>(vertexNormal->GetDirectArray().GetAt(index).mData[2]);
}
break;
default: throw std::exception("Invalid Reference");
}
break;
}
break;
case FbxGeometryElement::eByPolygonVertex:
{
switch (vertexNormal->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
directIndex = inVertexCounter;
//outNormal.x = static_cast<float>(vertexNormal->GetDirectArray().GetAt(inVertexCounter).mData[0]);
//outNormal.y = static_cast<float>(vertexNormal->GetDirectArray().GetAt(inVertexCounter).mData[1]);
//outNormal.z = static_cast<float>(vertexNormal->GetDirectArray().GetAt(inVertexCounter).mData[2]);
}
break;
case FbxGeometryElement::eIndexToDirect:
{
directIndex = vertexNormal->GetIndexArray().GetAt(inVertexCounter);
//int index = vertexNormal->GetIndexArray().GetAt(inVertexCounter);
//outNormal.x = static_cast<float>(vertexNormal->GetDirectArray().GetAt(index).mData[0]);
//outNormal.y = static_cast<float>(vertexNormal->GetDirectArray().GetAt(index).mData[1]);
//outNormal.z = static_cast<float>(vertexNormal->GetDirectArray().GetAt(index).mData[2]);
}
break;
default: throw std::exception("Invalid Reference");
}
}
break;
}
if (directIndex != -1)
{
FbxVector4 norm = vertexNormal->GetDirectArray().GetAt(directIndex);
outNormal = XMFLOAT3((float)norm.mData[0], (float)norm.mData[1], (float)norm.mData[2]);
return true;
}
return false;
}
std::shared_ptr<Mesh> FbxUtil::CreateMesh(FbxMesh *fbxMesh)
{
Mesh::Ptr mesh = Mesh::Create(fbxMesh->GetName());
// read physical data.
int polygonCount = fbxMesh->GetPolygonCount();
int indicesCount = polygonCount * 3;
mesh->Positions.Data.reserve(indicesCount * 3);
mesh->Indices.Data.reserve(indicesCount);
if ((m_Options & Options::UV) && fbxMesh->GetElementUVCount() > 0)
mesh->UVs.Data.reserve(indicesCount * 2);
if ((m_Options & Options::NORMAL) && fbxMesh->GetElementNormalCount() > 0)
mesh->Normals.Data.reserve(indicesCount * 3);
if ((m_Options & Options::TANGENT) && fbxMesh->GetElementTangent() > 0)
mesh->Tangents.Data.reserve(indicesCount * 3);
int normalCounter = 0, uvCounter = 0, tangentCounter = 0;
for (int i = 0; i < polygonCount; i++)
{
for (int j = 0; j < 3; j++)
{
int ctrPtrIndex = fbxMesh->GetPolygonVertex(i, j);
auto position = fbxMesh->GetControlPointAt(ctrPtrIndex);
mesh->Positions.Data.push_back((float)position.mData[0]);
mesh->Positions.Data.push_back((float)position.mData[1]);
mesh->Positions.Data.push_back((float)position.mData[2]);
// uv
if ((m_Options & Options::UV) && fbxMesh->GetElementUVCount() > 0)
{
int uvIndex = 0;
FbxGeometryElementUV* vertexUV = fbxMesh->GetElementUV();
if (vertexUV->GetMappingMode() == FbxGeometryElement::eByControlPoint)
{
if (vertexUV->GetReferenceMode() == FbxGeometryElement::eDirect)
uvIndex = ctrPtrIndex;
else if (vertexUV->GetReferenceMode() == FbxGeometryElement::eIndexToDirect)
uvIndex = vertexUV->GetIndexArray().GetAt(ctrPtrIndex);
else
ASSERT_MSG(false, "Error: Invalid Reference Mode!");
}
else if (vertexUV->GetMappingMode() == FbxGeometryElement::eByPolygonVertex)
{
if (vertexUV->GetReferenceMode() == FbxGeometryElement::eDirect)
uvIndex = uvCounter;
else if (vertexUV->GetReferenceMode() == FbxGeometryElement::eIndexToDirect)
uvIndex = vertexUV->GetIndexArray().GetAt(uvCounter);
else
ASSERT_MSG(false, "Error: Invalid Reference Mode!");
uvCounter++;
}
auto uv = vertexUV->GetDirectArray().GetAt(uvIndex);
mesh->UVs.Data.push_back((float)uv.mData[0]);
mesh->UVs.Data.push_back(1.0f - (float)uv.mData[1]);
}
// normal
if ((m_Options & Options::NORMAL) && fbxMesh->GetElementNormalCount() > 0)
{
int normalIndex = 0;
FbxGeometryElementNormal* vertexNormal = fbxMesh->GetElementNormal();
if (vertexNormal->GetMappingMode() == FbxGeometryElement::eByControlPoint)
{
if (vertexNormal->GetReferenceMode() == FbxGeometryElement::eDirect)
normalIndex = ctrPtrIndex;
else if (vertexNormal->GetReferenceMode() == FbxGeometryElement::eIndexToDirect)
normalIndex = vertexNormal->GetIndexArray().GetAt(ctrPtrIndex);
else
ASSERT_MSG(false, "Error: Invalid Reference Mode!");
}
else if (vertexNormal->GetMappingMode() == FbxGeometryElement::eByPolygonVertex)
{
if (vertexNormal->GetReferenceMode() == FbxGeometryElement::eDirect)
normalIndex = normalCounter;
else if (vertexNormal->GetReferenceMode() == FbxGeometryElement::eIndexToDirect)
normalIndex = vertexNormal->GetIndexArray().GetAt(normalCounter);
else
ASSERT_MSG(false, "Error: Invalid Reference Mode!");
normalCounter++;
}
auto normal = vertexNormal->GetDirectArray().GetAt(normalIndex);
mesh->Normals.Data.push_back((float)normal.mData[0]);
mesh->Normals.Data.push_back((float)normal.mData[1]);
mesh->Normals.Data.push_back((float)normal.mData[2]);
}
// tangent
if ((m_Options & Options::TANGENT) && fbxMesh->GetElementNormalCount() > 0)
{
int tangentIndex = 0;
FbxGeometryElementTangent* vertexTangent = fbxMesh->GetElementTangent();
if (vertexTangent->GetMappingMode() == FbxGeometryElement::eByControlPoint)
{
if (vertexTangent->GetReferenceMode() == FbxGeometryElement::eDirect)
tangentIndex = ctrPtrIndex;
else if (vertexTangent->GetReferenceMode() == FbxGeometryElement::eIndexToDirect)
tangentIndex = vertexTangent->GetIndexArray().GetAt(ctrPtrIndex);
else
ASSERT_MSG(false, "Error: Invalid Reference Mode!");
}
else if (vertexTangent->GetMappingMode() == FbxGeometryElement::eByPolygonVertex)
{
if (vertexTangent->GetReferenceMode() == FbxGeometryElement::eDirect)
tangentIndex = tangentCounter;
else if (vertexTangent->GetReferenceMode() == FbxGeometryElement::eIndexToDirect)
tangentIndex = vertexTangent->GetIndexArray().GetAt(tangentCounter);
else
ASSERT_MSG(false, "Error: Invalid Reference Mode!");
tangentCounter++;
}
auto tangent = vertexTangent->GetDirectArray().GetAt(tangentIndex);
mesh->Tangents.Data.push_back((float)tangent.mData[0]);
mesh->Tangents.Data.push_back((float)tangent.mData[1]);
mesh->Tangents.Data.push_back((float)tangent.mData[2]);
}
mesh->Indices.Data.push_back(i * 3 + j);
}
}
LOGD << mesh->GetName() << " [vtx: " << mesh->Positions.Data.size() / 3 << " tris: " << mesh->Indices.Data.size() / 3 << "]";
if(m_Options & Options::OPTIMIZE_MESH)
MeshUtil::Instance()->OptimizeMesh(mesh);
mesh->CalculateAABB();
return mesh;
}
void loadNormal(FbxMesh* fbxMesh, int vertexIndex, int controlPointIndex, Vertex* vertex)
{
if (fbxMesh->GetElementNormalCount() > 0)
{
// Get only the first
FbxGeometryElementNormal* normal = fbxMesh->GetElementNormal(0);
FbxGeometryElement::EMappingMode mappingMode = normal->GetMappingMode();
if (mappingMode == FbxGeometryElement::eByControlPoint)
{
switch (normal->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
FbxVector4 vec4 = normal->GetDirectArray().GetAt(controlPointIndex);
vertex->hasNormal = true;
vertex->normal.x = (float)vec4[0];
vertex->normal.y = (float)vec4[1];
vertex->normal.z = (float)vec4[2];
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = normal->GetIndexArray().GetAt(controlPointIndex);
FbxVector4 vec4 = normal->GetDirectArray().GetAt(id);
vertex->hasNormal = true;
vertex->normal.x = (float)vec4[0];
vertex->normal.y = (float)vec4[1];
vertex->normal.z = (float)vec4[2];
}
break;
default:
break;
}
}
else if (mappingMode == FbxGeometryElement::eByPolygonVertex)
{
switch (normal->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
FbxVector4 vec4 = normal->GetDirectArray().GetAt(vertexIndex);
vertex->hasNormal = true;
vertex->normal.x = (float)vec4[0];
vertex->normal.y = (float)vec4[1];
vertex->normal.z = (float)vec4[2];
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = normal->GetIndexArray().GetAt(vertexIndex);
FbxVector4 vec4 = normal->GetDirectArray().GetAt(id);
vertex->hasNormal = true;
vertex->normal.x = (float)vec4[0];
vertex->normal.y = (float)vec4[1];
vertex->normal.z = (float)vec4[2];
}
break;
default:
break;
}
}
}
}
void FBXSceneImporter::read_mesh(FbxNode *pNode, FbxMesh* pMesh)
{
std::vector<Mesh::Vertex> vertices;
std::vector<int> indices;
//pMesh->GenerateTangentsDataForAllUVSets();
Mesh *new_mesh = new Mesh();
new_mesh->set_name(pNode->GetName());
int polygonCount = pMesh->GetPolygonCount();
FbxVector4* controlPoints = pMesh->GetControlPoints();
int controlPointCount = pMesh->GetControlPointsCount();
int vertexID = 0;
for (int polygon = polygonCount - 1; polygon > -1; polygon--)
{
int polyVertCount = pMesh->GetPolygonSize(polygon);
assert(polyVertCount == 3);
for (int polyVert = 0; polyVert < polyVertCount; polyVert++)
{
Mesh::Vertex vertex;
int cpIndex = pMesh->GetPolygonVertex(polygon, polyVert);
// Grab our CP index as well our position information
//uniqueVert.m_nControlPointIndex = cpIndex;
vertex.position[0] = controlPoints[cpIndex].mData[0];
vertex.position[1] = controlPoints[cpIndex].mData[1];
vertex.position[2] = controlPoints[cpIndex].mData[2];
vertex.position[3] = 1;
// Grab UVs
int uvElementCount = pMesh->GetElementUVCount();
int ctrlPointIndex = pMesh->GetPolygonVertex(polygon, polyVert);
for (int uvElement = 0; uvElement < uvElementCount; uvElement++)
{
FbxGeometryElementUV* geomElementUV = pMesh->GetElementUV(uvElement);
FbxLayerElement::EMappingMode mapMode = geomElementUV->GetMappingMode();
FbxLayerElement::EReferenceMode refMode = geomElementUV->GetReferenceMode();
if (FbxGeometryElement::eByControlPoint == mapMode)
{
switch (geomElementUV->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
vertex.texture_coord.x = static_cast<float>(geomElementUV->GetDirectArray().GetAt(ctrlPointIndex).mData[0]);
vertex.texture_coord.y = static_cast<float>(geomElementUV->GetDirectArray().GetAt(ctrlPointIndex).mData[1]);
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int index = geomElementUV->GetIndexArray().GetAt(ctrlPointIndex);
vertex.texture_coord.x = static_cast<float>(geomElementUV->GetDirectArray().GetAt(index).mData[0]);
vertex.texture_coord.y = static_cast<float>(geomElementUV->GetDirectArray().GetAt(index).mData[1]);
}
break;
default:
throw std::exception("Invalid Reference");
}
}
if (FbxGeometryElement::eByPolygonVertex == mapMode)
{
int directIndex = -1;
if (FbxGeometryElement::eDirect == refMode)
{
directIndex = vertexID;
}
else if (FbxGeometryElement::eIndexToDirect == refMode)
{
directIndex = geomElementUV->GetIndexArray().GetAt(vertexID);
}
// If we got an index
if (directIndex != -1)
{
FbxVector4 texture_coord = geomElementUV->GetDirectArray().GetAt(directIndex);
vertex.texture_coord = D3DXVECTOR4((float)texture_coord.mData[0], (float)texture_coord.mData[1], 0, 0);
}
}
}
// Grab normals
int normElementCount = pMesh->GetElementNormalCount();
for (int normalElement = 0; normalElement < normElementCount; normalElement++)
{
FbxGeometryElementNormal* geomElementNormal = pMesh->GetElementNormal(normalElement);
FbxLayerElement::EMappingMode mapMode = geomElementNormal->GetMappingMode();
FbxLayerElement::EReferenceMode refMode = geomElementNormal->GetReferenceMode();
FbxVector4 fbxNormal;
pMesh->GetPolygonVertexNormal(polygon, polyVert, fbxNormal);
fbxNormal.Normalize();
vertex.normal = D3DXVECTOR4(fbxNormal.mData[0], fbxNormal.mData[1], fbxNormal.mData[2], 0);
//if (FbxGeometryElement::eByControlPoint == mapMode)
//{
// switch (geomElementNormal->GetReferenceMode())
// {
// case FbxGeometryElement::eDirect:
// {
// vertex.normal.x = static_cast<float>(geomElementNormal->GetDirectArray().GetAt(ctrlPointIndex).mData[0]);
// vertex.normal.y = static_cast<float>(geomElementNormal->GetDirectArray().GetAt(ctrlPointIndex).mData[1]);
// vertex.normal.z = static_cast<float>(geomElementNormal->GetDirectArray().GetAt(ctrlPointIndex).mData[2]);
// D3DXVec4Normalize(&vertex.normal, &vertex.normal);
// }
// break;
//
// case FbxGeometryElement::eIndexToDirect:
// {
// int index = geomElementNormal->GetIndexArray().GetAt(ctrlPointIndex);
// vertex.normal.x = static_cast<float>(geomElementNormal->GetDirectArray().GetAt(index).mData[0]);
// vertex.normal.y = static_cast<float>(geomElementNormal->GetDirectArray().GetAt(index).mData[1]);
// vertex.normal.z = static_cast<float>(geomElementNormal->GetDirectArray().GetAt(index).mData[2]);
// D3DXVec4Normalize(&vertex.normal, &vertex.normal);
// }
// break;
//
// default:
// throw std::exception("Invalid Reference");
// }
//}
//if (FbxGeometryElement::eByPolygonVertex == mapMode)
//{
// int directIndex = -1;
// if (FbxGeometryElement::eDirect == refMode)
// {
// directIndex = vertexID;
// }
// else if (FbxGeometryElement::eIndexToDirect == refMode)
// {
// directIndex = geomElementNormal->GetIndexArray().GetAt(vertexID);
// }
//
// // If we got an index
// if (directIndex != -1)
// {
// FbxVector4 norm = geomElementNormal->GetDirectArray().GetAt(directIndex);
//
// D3DXVECTOR4 normal_final((float)norm.mData[0], (float)norm.mData[1], (float)norm.mData[2], 0);
// D3DXVec4Normalize(&vertex.normal, &normal_final);
// }
//}
}
// grab tangents
int tangentElementCount = pMesh->GetElementTangentCount();
for (int normalElement = 0; normalElement < tangentElementCount; normalElement++)
{
FbxGeometryElementTangent* geomElementTangent = pMesh->GetElementTangent(normalElement);
FbxLayerElement::EMappingMode mapMode = geomElementTangent->GetMappingMode();
FbxLayerElement::EReferenceMode refMode = geomElementTangent->GetReferenceMode();
int directIndex = -1;
if (FbxGeometryElement::eByPolygonVertex == mapMode)
{
if (FbxGeometryElement::eDirect == refMode)
{
directIndex = vertexID;
}
else if (FbxGeometryElement::eIndexToDirect == refMode)
{
directIndex = geomElementTangent->GetIndexArray().GetAt(vertexID);
}
}
// If we got an index
if (directIndex != 1)
{
FbxVector4 tangent = geomElementTangent->GetDirectArray().GetAt(directIndex);
vertex.tangent = D3DXVECTOR4((float)tangent.mData[0], (float)tangent.mData[1], (float)tangent.mData[2], 0);
}
}
size_t size = vertices.size();
size_t i = size;
//for (i = 0; i < size; i++)
//{
// if (vertex == vertices[i])
// {
// break;
// }
//}
//
if (i == size)
{
vertices.push_back(vertex);
}
indices.push_back(i);
++vertexID;
}
//int cur_size = indices.size();
//int temp = indices[cur_size - 3];
//indices[cur_size - 3] = indices[cur_size - 1];
//indices[cur_size - 1] = temp;
}
int materialCount = pNode->GetSrcObjectCount<FbxSurfaceMaterial>();
new_mesh->create_from_buffers(vertices, indices);
scene_to_fill->add_mesh(new_mesh);
if (materialCount > 0)
{
FbxSurfaceMaterial* material = (FbxSurfaceMaterial*)pNode->GetSrcObject<FbxSurfaceMaterial>(0);
new_mesh->set_material(read_material(pNode, material));
}
get_transformation_matrix(pNode, new_mesh);
cout << "Read mesh : " << new_mesh->get_name() << "\n";
}
//--------------------------------------------------------------------------
void SaveMesh(FbxNode* pNode, const VeDirectoryPtr& spDest) noexcept
{
Mesh kMesh;
FbxMesh* pMesh = (FbxMesh*)pNode->GetNodeAttribute();
kMesh.m_kName = pNode->GetName();
kMesh.m_stFaces = pMesh->GetPolygonCount();
kMesh.m_stVerts = kMesh.m_stFaces * 3;
kMesh.m_kIndices.resize(kMesh.m_stVerts);
kMesh.m_kPosition.resize(kMesh.m_stVerts);
kMesh.m_kNormals.resize(pMesh->GetElementNormalCount());
for (auto& v : kMesh.m_kNormals)
{
v.resize(kMesh.m_stVerts);
}
kMesh.m_kTexcoords.resize(pMesh->GetElementUVCount());
for (auto& v : kMesh.m_kTexcoords)
{
v.resize(kMesh.m_stVerts);
}
kMesh.m_kColors.resize(pMesh->GetElementVertexColorCount());
for (auto& v : kMesh.m_kColors)
{
v.resize(kMesh.m_stVerts);
}
int element_mat = -1;
for (int i(0); i < pMesh->GetElementMaterialCount(); ++i)
{
FbxGeometryElementMaterial* lMaterialElement = pMesh->GetElementMaterial(i);
if (lMaterialElement->GetMappingMode() == FbxGeometryElement::eByPolygon)
{
element_mat = i;
break;
}
}
if (element_mat >= 0)
{
kMesh.m_kAttributes.resize(kMesh.m_stFaces);
}
FbxVector4* lControlPoints = pMesh->GetControlPoints();
for (int i(0); i < (int)(kMesh.m_stFaces); ++i)
{
int lPolygonSize = pMesh->GetPolygonSize(i);
VE_ASSERT_ALWAYS(lPolygonSize == 3);
for (int j(0); j < lPolygonSize; ++j)
{
uint32_t u32Index = i * 3 + j;
kMesh.m_kIndices[u32Index] = u32Index;
int lControlPointIndex = pMesh->GetPolygonVertex(i, j);
auto& pos = kMesh.m_kPosition[u32Index];
pos.x = (float)lControlPoints[lControlPointIndex][0];
pos.y = (float)lControlPoints[lControlPointIndex][1];
pos.z = (float)lControlPoints[lControlPointIndex][2];
for (int k(0); k < (int)(kMesh.m_kColors.size()); ++k)
{
FbxColor c;
FbxGeometryElementVertexColor* leVtxc = pMesh->GetElementVertexColor(k);
switch (leVtxc->GetMappingMode())
{
default:
break;
case FbxGeometryElement::eByControlPoint:
switch (leVtxc->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
c = leVtxc->GetDirectArray().GetAt(lControlPointIndex);
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = leVtxc->GetIndexArray().GetAt(lControlPointIndex);
c = leVtxc->GetDirectArray().GetAt(id);
}
break;
default:
break; // other reference modes not shown here!
}
break;
case FbxGeometryElement::eByPolygonVertex:
{
switch (leVtxc->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
c = leVtxc->GetDirectArray().GetAt(u32Index);
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = leVtxc->GetIndexArray().GetAt(u32Index);
c = leVtxc->GetDirectArray().GetAt(id);
}
break;
default:
break; // other reference modes not shown here!
}
}
break;
case FbxGeometryElement::eByPolygon: // doesn't make much sense for UVs
case FbxGeometryElement::eAllSame: // doesn't make much sense for UVs
case FbxGeometryElement::eNone: // doesn't make much sense for UVs
break;
}
auto& color = kMesh.m_kColors[k][u32Index];
color.x = (float)c[0];
color.y = (float)c[1];
color.z = (float)c[2];
color.w = (float)c[3];
}
for (int k(0); k < (int)(kMesh.m_kTexcoords.size()); ++k)
{
FbxVector2 uv;
FbxGeometryElementUV* leUV = pMesh->GetElementUV(k);
switch (leUV->GetMappingMode())
{
default:
break;
case FbxGeometryElement::eByControlPoint:
switch (leUV->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
uv = leUV->GetDirectArray().GetAt(lControlPointIndex);
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = leUV->GetIndexArray().GetAt(lControlPointIndex);
uv = leUV->GetDirectArray().GetAt(id);
}
break;
default:
break; // other reference modes not shown here!
}
break;
case FbxGeometryElement::eByPolygonVertex:
{
int lTextureUVIndex = pMesh->GetTextureUVIndex(i, j);
switch (leUV->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
case FbxGeometryElement::eIndexToDirect:
{
uv = leUV->GetDirectArray().GetAt(lTextureUVIndex);
}
break;
default:
break; // other reference modes not shown here!
}
}
break;
case FbxGeometryElement::eByPolygon: // doesn't make much sense for UVs
case FbxGeometryElement::eAllSame: // doesn't make much sense for UVs
case FbxGeometryElement::eNone: // doesn't make much sense for UVs
break;
}
auto& texcoord = kMesh.m_kTexcoords[k][u32Index];
texcoord.x = (float)uv[0];
texcoord.y = (float)uv[1];
}
for (int k(0); k < (int)(kMesh.m_kNormals.size()); ++k)
{
FbxVector4 n;
FbxGeometryElementNormal* leNormal = pMesh->GetElementNormal(k);
if (leNormal->GetMappingMode() == FbxGeometryElement::eByPolygonVertex)
{
switch (leNormal->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
n = leNormal->GetDirectArray().GetAt(u32Index);
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = leNormal->GetIndexArray().GetAt(u32Index);
n = leNormal->GetDirectArray().GetAt(id);
}
break;
default:
break; // other reference modes not shown here!
}
}
auto& normal = kMesh.m_kNormals[k][u32Index];
normal.x = (float)n[0];
normal.y = (float)n[1];
normal.z = (float)n[2];
}
if (element_mat >= 0)
{
FbxGeometryElementMaterial* lMaterialElement = pMesh->GetElementMaterial(element_mat);
FbxSurfaceMaterial* lMaterial = NULL;
int lMatId = -1;
lMaterial = pMesh->GetNode()->GetMaterial(lMaterialElement->GetIndexArray().GetAt(i));
lMatId = lMaterialElement->GetIndexArray().GetAt(i);
kMesh.m_kAttributes[i] = lMatId;
}
}
}
kMesh.Process();
kMesh.Save(spDest);
}
