void FbxLoader::ProcessMesh(FbxNode* node, Node& meshNode)
{
FbxMesh* currMesh = node->GetMesh();
if(!currMesh)
return;
FbxLayerElementTangent* tangents = nullptr;
if(useNormalMap) {
if(currMesh->GetElementTangentCount() < 1) {
currMesh->GenerateTangentsDataForAllUVSets();
tangents = currMesh->GetElementTangent();
}
}
std::map<int, std::vector<Vertex>> subMeshes;
int vertCounter = 0;
const int polygonCount = currMesh->GetPolygonCount();
for(int i = 0; i < polygonCount; i++) {
const int polySize = currMesh->GetPolygonSize(i);
int nMaterials = node->GetMaterialCount();
auto elementMaterial = currMesh->GetElementMaterial();
int mi = 0;
if(elementMaterial)
mi = currMesh->GetElementMaterial()->GetIndexArray()[i];
for(int j = 2; j >= 0; --j) {
int ctrlIndex = currMesh->GetPolygonVertex(i, j);
auto& currCtrlPoint = meshNode.controlPoints[ctrlIndex];
FbxVector4 v4;
auto& pos = currCtrlPoint.position * factor;
currMesh->GetPolygonVertexNormal(i, j, v4);
Vector3 normal = { (float)v4[0], (float)v4[1], (float)v4[2] };
Vector3 tangent = { 0, 0, 0 };
if(useNormalMap) {
ReadTangent(tangents, ctrlIndex, vertCounter, v4);
tangent = { (float)v4[0], (float)v4[1], (float)v4[2] };
}
Vector2 uv;
FbxStringList uvSetNames;
currMesh->GetUVSetNames(uvSetNames);
bool unmapped = false;
// supports one uv set only
if(uvSetNames.GetCount() > 0) {
FbxVector2 UV;
currMesh->GetPolygonVertexUV(i, j, uvSetNames[0], UV, unmapped);
uv = { (float)UV[0], (float)UV[1] };
}
if(axismode == eLeftHanded) {
pos.x *= -1; uv.y = 1 - uv.y;
normal.x *= -1; tangent.x *= -1;
}
Vector4 weights = { 0, 0, 0, 0 };
Byte4 indices = { 0, 0, 0, 0 };
int blendCount = (int)min(currCtrlPoint.blendWeigths.size(), 4);
if(blendCount > 0) {
meshNode.useSkinnedMesh = true;
if(currCtrlPoint.blendWeigths.size() > 4)
sort(currCtrlPoint.blendWeigths.begin(), currCtrlPoint.blendWeigths.end());
for(int i = 0; i < blendCount; i++) {
weights[i] = currCtrlPoint.blendWeigths[i].weight;
indices.m[i] = currCtrlPoint.blendWeigths[i].boneIndex;
}
}
Vertex temp = { pos, uv, normal, tangent, indices, weights };
subMeshes[mi].push_back(temp);
}
++vertCounter;
}
if(subMeshes.size() > 0) {
int index = 0;
meshNode.meshes.reserve(vertCounter);
meshNode.vertIndices.reserve(vertCounter);
meshNode.vertexCountOfSubMesh.reserve(subMeshes.size());
for(auto& pair : subMeshes) {
auto& m = pair.second;
for(int i = 0; i < m.size(); ++i)
meshNode.vertIndices.emplace_back(index++);
meshNode.vertexCountOfSubMesh.push_back((int)m.size());
meshNode.meshes.insert(meshNode.meshes.end(), m.begin(), m.end());
}
}
subMeshes.clear();
}
void FBXImporter::ReadTangents(FBXMeshData* fbxMeshData, int controlPointIndex, int tangentIndex)
{
FbxMesh* mesh = fbxMeshData->mMesh;
if (mesh->GetElementTangentCount() < 1)
{
return;
}
FbxGeometryElementTangent* tangentElement = mesh->GetElementTangent(0);
switch (tangentElement->GetMappingMode())
{
case FbxGeometryElement::eByControlPoint:
{
switch (tangentElement->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
FbxVector4 fbxTangent = tangentElement->GetDirectArray().GetAt(controlPointIndex);
XMFLOAT3 tangent;
tangent.x = static_cast<float>(fbxTangent[0]);
tangent.y = static_cast<float>(fbxTangent[1]);
tangent.z = static_cast<float>(fbxTangent[2]);
fbxMeshData->mTangents.push_back(tangent);
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = tangentElement->GetIndexArray().GetAt(controlPointIndex);
FbxVector4 fbxTangent = tangentElement->GetDirectArray().GetAt(id);
XMFLOAT3 tangent;
tangent.x = static_cast<float>(fbxTangent[0]);
tangent.y = static_cast<float>(fbxTangent[1]);
tangent.z = static_cast<float>(fbxTangent[2]);
fbxMeshData->mTangents.push_back(tangent);
}
break;
default:
break;
}
}
case FbxGeometryElement::eByPolygonVertex:
{
switch (tangentElement->GetReferenceMode())
{
case FbxGeometryElement::eDirect:
{
FbxVector4 fbxTangent = tangentElement->GetDirectArray().GetAt(tangentIndex);
XMFLOAT3 tangent;
tangent.x = static_cast<float>(fbxTangent[0]);
tangent.y = static_cast<float>(fbxTangent[1]);
tangent.z = static_cast<float>(fbxTangent[2]);
fbxMeshData->mTangents.push_back(tangent);
}
break;
case FbxGeometryElement::eIndexToDirect:
{
int id = tangentElement->GetIndexArray().GetAt(tangentIndex);
FbxVector4 fbxTangent = tangentElement->GetDirectArray().GetAt(id);
XMFLOAT3 tangent;
tangent.x = static_cast<float>(fbxTangent[0]);
tangent.y = static_cast<float>(fbxTangent[1]);
tangent.z = static_cast<float>(fbxTangent[2]);
fbxMeshData->mTangents.push_back(tangent);
}
break;
default:
break;
}
}
//break;
default:
break;
}
}
bool FillData(ModelData* someData,FbxNode* aNode, AnimationData* aAnimation)
{
FbxMesh* mesh = aNode->GetMesh();
if (mesh == nullptr || !aNode)
return false;
const int lPolygonCount = mesh->GetPolygonCount();
// Count the polygon count of each material
FbxLayerElementArrayTemplate<int>* lMaterialIndice = NULL;
FbxGeometryElement::EMappingMode lMaterialMappingMode = FbxGeometryElement::eNone;
if (mesh->GetElementMaterial())
{
lMaterialIndice = &mesh->GetElementMaterial()->GetIndexArray();
lMaterialMappingMode = mesh->GetElementMaterial()->GetMappingMode();
if (lMaterialIndice && lMaterialMappingMode == FbxGeometryElement::eByPolygon)
{
FBX_ASSERT(lMaterialIndice->GetCount() == lPolygonCount);
if (lMaterialIndice->GetCount() == lPolygonCount)
{
// Count the faces of each material
for (int lPolygonIndex = 0; lPolygonIndex < lPolygonCount; ++lPolygonIndex)
{
const int lMaterialIndex = lMaterialIndice->GetAt(lPolygonIndex);
lMaterialIndex;
/*if (someData->mSubMeshes[lMaterialIndex] == NULL)
{
someData->mSubMeshes[lMaterialIndex] = new ModelData::SubMesh;
}
someData->mSubMeshes[lMaterialIndex]->TriangleCount += 1;*/
}
// Make sure we have no "holes" (NULL) in the mSubMeshes table. This can happen
// if, in the loop above, we resized the mSubMeshes by more than one slot.
/*for (int i = 0; i < someData->mSubMeshes.Count(); i++)
{
if (someData->mSubMeshes[i] == NULL)
someData->mSubMeshes[i] = new ModelData::SubMesh;
}*/
// Record the offset (how many vertex)
const int lMaterialCount = someData->mSubMeshes.Size();
lMaterialCount;
int lOffset = 0;
/*for (int lIndex = 0; lIndex < lMaterialCount; ++lIndex)
{
someData->mSubMeshes[lIndex]->IndexOffset = lOffset;
lOffset += someData->mSubMeshes[lIndex]->TriangleCount * 3;
// This will be used as counter in the following procedures, reset to zero
someData->mSubMeshes[lIndex]->TriangleCount = 0;
}*/
FBX_ASSERT(lOffset == lPolygonCount * 3);
}
}
}
// All faces will use the same material.
if (someData->mSubMeshes.Size() == 0)
{
if (someData->mSubMeshes.GetCapacity() == 0)
{
someData->mSubMeshes.Init(1);
}
someData->mSubMeshes.RemoveAll();
someData->mSubMeshes.AddEmptyObject();
someData->mSubMeshes[0] = new ModelData::SubMesh();
}
bool hasNormalMap = false;
const int lMaterialCount = aNode->GetMaterialCount();
for (int lMaterialIndex = 0; lMaterialIndex < lMaterialCount; ++lMaterialIndex)
{
FbxSurfaceMaterial * lMaterial = aNode->GetMaterial(lMaterialIndex);
if (lMaterial && !lMaterial->GetUserDataPtr())
{
TextureInfo diffuseInfo;
GetMaterialProperty(lMaterial,FbxSurfaceMaterial::sDiffuse,FbxSurfaceMaterial::sDiffuseFactor,diffuseInfo.myFileName);
diffuseInfo.myType = DIFFUSE;
if(diffuseInfo.myFileName.empty() == false)
{
someData->myTextures.push_back(diffuseInfo);
}
TextureInfo normalInfo;
GetMaterialProperty(lMaterial,FbxSurfaceMaterial::sNormalMap,FbxSurfaceMaterial::sBumpFactor,normalInfo.myFileName);
hasNormalMap = normalInfo.myFileName.empty() == false;
normalInfo.myType = NORMALMAP;
if(normalInfo.myFileName.empty() == false)
{
someData->myTextures.push_back(normalInfo);
hasNormalMap = true;
}
TextureInfo roughnessInfo;
GetMaterialProperty(lMaterial,FbxSurfaceMaterial::sSpecular,FbxSurfaceMaterial::sSpecularFactor,roughnessInfo.myFileName);
roughnessInfo.myType = ROUGHNESS;
if(roughnessInfo.myFileName.empty() == false)
{
someData->myTextures.push_back(roughnessInfo);
}
TextureInfo substanceInfo;
GetMaterialProperty(lMaterial,FbxSurfaceMaterial::sReflection,FbxSurfaceMaterial::sReflectionFactor,substanceInfo.myFileName);
substanceInfo.myType = SUBSTANCE;
if(substanceInfo.myFileName.empty() == false)
{
someData->myTextures.push_back(substanceInfo);
}
TextureInfo ambientInfo;
GetMaterialProperty(lMaterial, FbxSurfaceMaterial::sAmbient, FbxSurfaceMaterial::sAmbientFactor, ambientInfo.myFileName);
ambientInfo.myType = AO;
if (substanceInfo.myFileName.empty() == false)
{
someData->myTextures.push_back(ambientInfo);
}
}
}
// Congregate all the data of a mesh to be cached in VBOs.
// If normal or UV is by polygon vertex, record all vertex attributes by polygon vertex.'
someData->mHasNormal = mesh->GetElementNormalCount() > 0;
someData->mHasUV = mesh->GetElementUVCount() > 0;
someData->myHasBiNormal = mesh->GetElementBinormalCount() > 0;
FbxSkin * lSkinDeformer = (FbxSkin *)mesh->GetDeformer(0, FbxDeformer::eSkin);
someData->myHasSkinweights = lSkinDeformer != nullptr;
if(hasNormalMap && someData->myHasBiNormal == false)
{
mesh->GenerateTangentsDataForAllUVSets();
someData->myHasBiNormal = mesh->GetElementBinormalCount() > 0;
}
someData->myHasTangents = mesh->GetElementTangentCount() > 0;
FbxGeometryElement::EMappingMode lNormalMappingMode = FbxGeometryElement::eNone;
FbxGeometryElement::EMappingMode lUVMappingMode = FbxGeometryElement::eNone;
if (someData->mHasNormal)
{
lNormalMappingMode = mesh->GetElementNormal(0)->GetMappingMode();
if (lNormalMappingMode == FbxGeometryElement::eNone)
{
someData->mHasNormal = false;
}
if (someData->mHasNormal && lNormalMappingMode != FbxGeometryElement::eByControlPoint)
{
someData->mAllByControlPoint = false;
}
}
if (someData->mHasUV)
{
lUVMappingMode = mesh->GetElementUV(0)->GetMappingMode();
if (lUVMappingMode == FbxGeometryElement::eNone)
{
someData->mHasUV = false;
}
if (someData->mHasUV && lUVMappingMode != FbxGeometryElement::eByControlPoint)
{
someData->mAllByControlPoint = false;
}
}
// Allocate the array memory, by control point or by polygon vertex.
int lPolygonVertexCount = mesh->GetControlPointsCount();
//if (!someData->my)
{
ModelData::Layout newLayout;
newLayout.myType = ModelData::VERTEX_POS;
newLayout.mySize = VERTEX_STRIDE;
newLayout.myOffset = 0;
someData->myLayout.Add(newLayout);
lPolygonVertexCount = lPolygonCount * TRIANGLE_VERTEX_COUNT;
}
int stride = VERTEX_STRIDE;
size_t size = lPolygonVertexCount * VERTEX_STRIDE;
//float * lVertices = new float[lPolygonVertexCount * VERTEX_STRIDE];
unsigned int * lIndices = new unsigned int[lPolygonCount * TRIANGLE_VERTEX_COUNT];
someData->myIndexCount = lPolygonCount * TRIANGLE_VERTEX_COUNT;
//float * lNormals = NULL;
if (someData->mHasNormal)
{
ModelData::Layout newLayout;
newLayout.myType = ModelData::VERTEX_NORMAL;
newLayout.mySize = NORMAL_STRIDE;
newLayout.myOffset = stride*4;
someData->myLayout.Add(newLayout);
stride += NORMAL_STRIDE;
size += lPolygonVertexCount * NORMAL_STRIDE;
//lNormals = new float[lPolygonVertexCount * NORMAL_STRIDE];
}
//float * lUVs = NULL;
FbxStringList lUVNames;
mesh->GetUVSetNames(lUVNames);
const char * lUVName = NULL;
if (someData->mHasUV && lUVNames.GetCount())
{
ModelData::Layout newLayout;
newLayout.myType = ModelData::VERTEX_UV;
newLayout.mySize = UV_STRIDE;
newLayout.myOffset = stride*4;
someData->myLayout.Add(newLayout);
stride += UV_STRIDE;
size += lPolygonVertexCount * UV_STRIDE;
//lUVs = new float[lPolygonVertexCount * UV_STRIDE];
lUVName = lUVNames[0];
}
if (someData->myHasBiNormal)
{
ModelData::Layout newLayout;
newLayout.myType = ModelData::VERTEX_BINORMAL;
newLayout.mySize = BINORMAL_STRIDE;
newLayout.myOffset = stride*4;
someData->myLayout.Add(newLayout);
stride += BINORMAL_STRIDE;
size += lPolygonVertexCount * BINORMAL_STRIDE;
//lUVs = new float[lPolygonVertexCount * UV_STRIDE];
}
if (someData->myHasTangents)
{
ModelData::Layout newLayout;
newLayout.myType = ModelData::VERTEX_TANGENT;
newLayout.mySize = TANGENT_STRIDE;
newLayout.myOffset = stride*4;
someData->myLayout.Add(newLayout);
stride += TANGENT_STRIDE;
size += lPolygonVertexCount * TANGENT_STRIDE;
//lUVs = new float[lPolygonVertexCount * UV_STRIDE];
}
if (someData->myHasSkinweights)
{
ModelData::Layout newLayout;
newLayout.myType = ModelData::VERTEX_SKINWEIGHTS;
newLayout.mySize = SKINWEIGHT_STRIDE;
newLayout.myOffset = stride*4;
someData->myLayout.Add(newLayout);
stride += SKINWEIGHT_STRIDE;
size += lPolygonVertexCount * SKINWEIGHT_STRIDE;
newLayout.myType = ModelData::VERTEX_BONEID;
newLayout.mySize = BONEID_STRIDE;
newLayout.myOffset = stride*4;
someData->myLayout.Add(newLayout);
stride += BONEID_STRIDE;
size += lPolygonVertexCount * BONEID_STRIDE;
//lUVs = new float[lPolygonVertexCount * UV_STRIDE];
}
float * lVertices = new float[size];
FbxAMatrix globalPos;
FbxVector4* weights = nullptr;
FbxVectorTemplate4<int>* bones = nullptr;
FbxTime time = static_cast<FbxTime>(0.0f);
if(someData->myHasSkinweights)
{
weights = new FbxVector4[mesh->GetControlPointsCount()];
bones = new FbxVectorTemplate4<int>[mesh->GetControlPointsCount()];
ComputeLinearDeformation(globalPos,mesh,weights,bones,aAnimation);
}
const FbxGeometryElementBinormal * lBiNormalElement = NULL;
const FbxGeometryElementTangent * lTangentElement = NULL;
if (someData->myHasBiNormal)
{
lBiNormalElement = mesh->GetElementBinormal(0);
}
if (someData->myHasTangents)
{
lTangentElement = mesh->GetElementTangent(0);
}
// Populate the array with vertex attribute, if by control point.
const FbxVector4 * lControlPoints = mesh->GetControlPoints();
FbxVector4 lCurrentVertex;
FbxVector4 lCurrentNormal;
FbxVector4 lCurrentBiNormal;
FbxVector4 lCurrentTangent;
FbxVector2 lCurrentUV;
if (someData->mAllByControlPoint)
{
const FbxGeometryElementNormal * lNormalElement = NULL;
const FbxGeometryElementUV * lUVElement = NULL;
if (someData->mHasNormal)
{
lNormalElement = mesh->GetElementNormal(0);
}
if (someData->mHasUV)
{
lUVElement = mesh->GetElementUV(0);
}
for (int lIndex = 0; lIndex < lPolygonVertexCount; ++lIndex)
{
int currentIndex = lIndex * stride;
int addedSize = VERTEX_STRIDE;
// Save the vertex position.
lCurrentVertex = lControlPoints[lIndex];
CU::Vector4f position(static_cast<float>(lCurrentVertex[0]),
static_cast<float>(lCurrentVertex[1]),
static_cast<float>(lCurrentVertex[2]),
1);
CU::Matrix44f fixMatrix;
fixMatrix = CU::Matrix44<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1,0,0));
position = position*fixMatrix;
lVertices[currentIndex] = position.x;
lVertices[currentIndex + 1] = position.y;
lVertices[currentIndex + 2] = position.z;
lVertices[currentIndex + 3] = 1;
// Save the normal.
if (someData->mHasNormal)
{
int lNormalIndex = lIndex;
if (lNormalElement->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
{
lNormalIndex = lNormalElement->GetIndexArray().GetAt(lIndex);
}
lCurrentNormal = lNormalElement->GetDirectArray().GetAt(lNormalIndex);
CU::Vector3f normal( static_cast<float>(lCurrentNormal[0]), static_cast<float>(lCurrentNormal[1]), static_cast<float>(lCurrentNormal[2]));
normal = normal*CU::Matrix33<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
lVertices[currentIndex + addedSize] = normal.x;
lVertices[currentIndex + addedSize + 1] = normal.y;
lVertices[currentIndex + addedSize + 2] = normal.z;
lVertices[currentIndex + addedSize + 3] = 0;
addedSize += NORMAL_STRIDE;
}
// Save the UV.
if (someData->mHasUV)
{
int lUVIndex = lIndex;
if (lUVElement->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
{
lUVIndex = lUVElement->GetIndexArray().GetAt(lIndex);
}
lCurrentUV = lUVElement->GetDirectArray().GetAt(lUVIndex);
lVertices[currentIndex + addedSize] = static_cast<float>(lCurrentUV[0]);
lVertices[currentIndex + addedSize + 1] = static_cast<float>(lCurrentUV[1])*-1.0f;
addedSize += 2;
}
if (someData->myHasBiNormal)
{
int lBinormIndexIndex = lIndex;
if (lBiNormalElement->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
{
lBinormIndexIndex = lBiNormalElement->GetIndexArray().GetAt(lIndex);
}
lCurrentBiNormal = lBiNormalElement->GetDirectArray().GetAt(lBinormIndexIndex);
//mesh->GetElementBinormal(lPolygonIndex, lVerticeIndex, lCurrentNormal);
//lCurrentNormal = lCurrentNormal
CU::Vector3f normal( static_cast<float>(lCurrentBiNormal[0]), static_cast<float>(lCurrentBiNormal[1]), static_cast<float>(lCurrentBiNormal[2]));
normal = normal*CU::Matrix33<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
if (CU::Length(normal) != 0.f)
CU::Normalize(normal);
lVertices[currentIndex + addedSize] = normal.x;
lVertices[currentIndex + addedSize + 1] = normal.y;
lVertices[currentIndex + addedSize + 2] = normal.z;
lVertices[currentIndex + addedSize + 3] = 0;
addedSize += BINORMAL_STRIDE;
}
if (someData->myHasTangents)
{
int lBinormIndexIndex = lIndex;
if (lTangentElement->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
{
lBinormIndexIndex = lTangentElement->GetIndexArray().GetAt(lIndex);
}
lCurrentTangent = lTangentElement->GetDirectArray().GetAt(lBinormIndexIndex);
//lCurrentNormal = lCurrentNormal
CU::Vector3f normal( static_cast<float>(lCurrentTangent[0]), static_cast<float>(lCurrentTangent[1]), static_cast<float>(lCurrentTangent[2]));
normal = normal*CU::Matrix33<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
if (CU::Length(normal) != 0.f)
CU::Normalize(normal);
lVertices[currentIndex + addedSize] = normal.x;
lVertices[currentIndex + addedSize + 1] = normal.y;
lVertices[currentIndex + addedSize + 2] = normal.z;
lVertices[currentIndex + addedSize + 3] = 0;
addedSize += TANGENT_STRIDE;
}
if(someData->myHasSkinweights)
{
FbxVector4 currentWeights = weights[lIndex];
//currentWeights.Normalize();
lVertices[currentIndex + addedSize] = static_cast<float>(currentWeights[0]);
lVertices[currentIndex + addedSize + 1] = static_cast<float>(currentWeights[1]);
lVertices[currentIndex + addedSize + 2] = static_cast<float>(currentWeights[2]);
lVertices[currentIndex + addedSize + 3] = static_cast<float>(currentWeights[3]);
addedSize += SKINWEIGHT_STRIDE;
FbxVectorTemplate4<int> currentBones = bones[lIndex];
lVertices[currentIndex + addedSize] = static_cast<float>(currentBones[0]);
lVertices[currentIndex + addedSize + 1] = static_cast<float>(currentBones[1]);
lVertices[currentIndex + addedSize + 2] = static_cast<float>(currentBones[2]);
lVertices[currentIndex + addedSize + 3] = static_cast<float>(currentBones[3]);
addedSize += BONEID_STRIDE;
}
}
}
int lVertexCount = 0;
for (int lPolygonIndex = 0; lPolygonIndex < lPolygonCount; ++lPolygonIndex)
{
// The material for current face.
int lMaterialIndex = 0;
if (lMaterialIndice && lMaterialMappingMode == FbxGeometryElement::eByPolygon)
{
lMaterialIndex = lMaterialIndice->GetAt(lPolygonIndex);
}
// Where should I save the vertex attribute index, according to the material
const int lIndexOffset = someData->mSubMeshes[lMaterialIndex]->IndexOffset +
someData->mSubMeshes[lMaterialIndex]->TriangleCount * 3;
for (int lVerticeIndex = TRIANGLE_VERTEX_COUNT-1; lVerticeIndex > -1; --lVerticeIndex)
{
const int lControlPointIndex = mesh->GetPolygonVertex(lPolygonIndex, lVerticeIndex);
int vertexIndex = lIndexOffset + (TRIANGLE_VERTEX_COUNT-1) - lVerticeIndex;
if (someData->mAllByControlPoint)
{
lIndices[vertexIndex] = static_cast<unsigned int>(lControlPointIndex);
}
// Populate the array with vertex attribute, if by polygon vertex.
else
{
lIndices[vertexIndex] = static_cast<unsigned int>(lVertexCount);
lCurrentVertex = lControlPoints[lControlPointIndex];
int addedSize = VERTEX_STRIDE;
int currentIndex = lVertexCount * stride;
CU::Vector4f position(static_cast<float>(lCurrentVertex[0]),
static_cast<float>(lCurrentVertex[1]),
static_cast<float>(lCurrentVertex[2]),
1);
//fixMatrix
CU::Matrix44f fixMatrix;
fixMatrix = CU::Matrix44<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
position = position*fixMatrix;
lVertices[currentIndex] = position.x;
lVertices[currentIndex + 1] = position.y;
lVertices[currentIndex + 2] = position.z;
lVertices[currentIndex + 3] = 0;
if (someData->mHasNormal)
{
mesh->GetPolygonVertexNormal(lPolygonIndex, lVerticeIndex, lCurrentNormal);
CU::Vector3f normal( static_cast<float>(lCurrentNormal[0]), static_cast<float>(lCurrentNormal[1]), static_cast<float>(lCurrentNormal[2]));
normal = normal*CU::Matrix33<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
if (CU::Length(normal) != 0.f)
CU::Normalize(normal);
lVertices[currentIndex + addedSize] = normal.x;
lVertices[currentIndex + addedSize + 1] = normal.y;
lVertices[currentIndex + addedSize + 2] = normal.z;
lVertices[currentIndex + addedSize + 3] = 0;
addedSize += NORMAL_STRIDE;
}
if (someData->mHasUV)
{
bool lUnmappedUV;
mesh->GetPolygonVertexUV(lPolygonIndex, lVerticeIndex, lUVName, lCurrentUV, lUnmappedUV);
lVertices[currentIndex + addedSize] = static_cast<float>(lCurrentUV[0]);
lVertices[currentIndex + addedSize + 1] = static_cast<float>(lCurrentUV[1])*-1.0f;
addedSize += UV_STRIDE;
}
if (someData->myHasBiNormal)
{
int lBinormIndexIndex = lVerticeIndex;
if (lBiNormalElement->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
{
lBinormIndexIndex = lBiNormalElement->GetIndexArray().GetAt(lVerticeIndex);
}
lCurrentBiNormal = lBiNormalElement->GetDirectArray().GetAt(lBinormIndexIndex);
CU::Vector3f normal( static_cast<float>(lCurrentBiNormal[0]), static_cast<float>(lCurrentBiNormal[1]), static_cast<float>(lCurrentBiNormal[2]));
normal = normal*CU::Matrix33<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
if (CU::Length(normal) != 0.f)
CU::Normalize(normal);
lVertices[currentIndex + addedSize] = normal.x;
lVertices[currentIndex + addedSize + 1] = normal.y;
lVertices[currentIndex + addedSize + 2] = normal.z;
lVertices[currentIndex + addedSize + 3] = 0;
addedSize += BINORMAL_STRIDE;
}
if (someData->myHasTangents)
{
int lBinormIndexIndex = lVerticeIndex;
if (lTangentElement->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
{
lBinormIndexIndex = lTangentElement->GetIndexArray().GetAt(lVerticeIndex);
}
lCurrentTangent = lTangentElement->GetDirectArray().GetAt(lBinormIndexIndex);
mesh->GetPolygonVertexNormal(lPolygonIndex, lVerticeIndex, lCurrentNormal);
CU::Vector3f normal( static_cast<float>(lCurrentTangent[0]), static_cast<float>(lCurrentTangent[1]), static_cast<float>(lCurrentTangent[2]));
normal = normal*CU::Matrix33<float>::CreateReflectionMatrixAboutAxis(CU::Vector3f(1, 0, 0));
if (CU::Length(normal) != 0.f)
CU::Normalize(normal);
lVertices[currentIndex + addedSize] = normal.x;
lVertices[currentIndex + addedSize + 1] = normal.y;
lVertices[currentIndex + addedSize + 2] = normal.z;
lVertices[currentIndex + addedSize + 3] = 0;
addedSize += TANGENT_STRIDE;
}
if(someData->myHasSkinweights)
{
FbxVector4 currentWeights = weights[lControlPointIndex];
FbxVectorTemplate4<int> currentBones = bones[lControlPointIndex];
for(int l = 0;l < 4;++l)
{
if(currentBones[l] == -1)
{
currentWeights[l] = 0.0f;
}
}
currentWeights.Normalize();
lVertices[currentIndex + addedSize] = static_cast<float>(currentWeights[0]);
lVertices[currentIndex + addedSize + 1] = static_cast<float>(currentWeights[1]);
lVertices[currentIndex + addedSize + 2] = static_cast<float>(currentWeights[2]);
lVertices[currentIndex + addedSize + 3] = static_cast<float>(currentWeights[3]);
addedSize += SKINWEIGHT_STRIDE;
lVertices[currentIndex + addedSize] = *(float*)¤tBones[0];
lVertices[currentIndex + addedSize + 1] = *(float*)¤tBones[1];
lVertices[currentIndex + addedSize + 2] = *(float*)¤tBones[2];
lVertices[currentIndex + addedSize + 3] = *(float*)¤tBones[3];
addedSize += BONEID_STRIDE;
}
}
++lVertexCount;
}
someData->mSubMeshes[lMaterialIndex]->TriangleCount += 1;
}
someData->myVertexCount = lVertexCount;
someData->myVertexStride = stride;
someData->myVertexBuffer = lVertices;
someData->myIndicies = lIndices;
if(weights)
{
delete [] weights;
delete [] bones;
}
return true;
}