void fbxLoader2::computeMesh(FbxNode* pNode, FbxTime& pTime, FbxAnimLayer* pAnimLayer, FbxAMatrix& pGlobalPosition, FbxPose* pPose, int frame)
{
FbxMesh* lMesh = pNode->GetMesh();
const int lVertexCount = lMesh->GetControlPointsCount();
// No vertex to draw.
if (lVertexCount == 0)
{
return;
}
// If it has some defomer connection, update the vertices position
const bool lHasVertexCache = lMesh->GetDeformerCount(FbxDeformer::eVertexCache) &&
(static_cast<FbxVertexCacheDeformer*>(lMesh->GetDeformer(0, FbxDeformer::eVertexCache)))->IsActive();
const bool lHasShape = lMesh->GetShapeCount() > 0;
const bool lHasSkin = lMesh->GetDeformerCount(FbxDeformer::eSkin) > 0;
const bool lHasDeformation = lHasVertexCache || lHasShape || lHasSkin;
if (lHasDeformation)
{
//we need to get the number of clusters
const int lSkinCount = lMesh->GetDeformerCount(FbxDeformer::eSkin);
int lClusterCount = 0;
for (int lSkinIndex = 0; lSkinIndex < lSkinCount; ++lSkinIndex)
{
lClusterCount += ((FbxSkin *)(lMesh->GetDeformer(lSkinIndex, FbxDeformer::eSkin)))->GetClusterCount();
}
if (lClusterCount)
{
// Deform the vertex array with the skin deformer.
ComputeSkinDeformation(pGlobalPosition, lMesh, pTime, pPose, frame);
}
}
}
void FBXImporter::ProcessMesh(FbxNodeAttribute* nodeAttribute)
{
FbxMesh* mesh = (FbxMesh*)nodeAttribute;
// 网格是否三角化的?如果不是先将其转为三角化的。
// 注意：一步其实应该在建模软件导出的时候进行。
if (!mesh->IsTriangleMesh())
{
FbxGeometryConverter converter(mSDKManager);
// #1
// For FBX SDK 2015.1
nodeAttribute = converter.Triangulate(nodeAttribute, true, false);
// For FBX SDK 2013.3
//converter.TriangulateInPlace(nodeAttribute->GetNode());
mesh = (FbxMesh*)nodeAttribute;
}
FBXMeshData* fbxMeshData = new FBXMeshData();
fbxMeshData->mMesh = mesh;
mFBXMeshDatas.push_back(fbxMeshData);
Log("TriangleCount:%d\n", mesh->GetPolygonCount());
Log("VertexCount:%d\n", mesh->GetControlPointsCount());
Log("IndexCount:%d\n", mesh->GetPolygonVertexCount());
Log("Layer:%d\n", mesh->GetLayerCount());
Log("DeformerCount:%d\n", mesh->GetDeformerCount());
Log("MaterialCount%d\n", mesh->GetNode()->GetMaterialCount());
Log("\n");
}
JNIEXPORT jfloatArray JNICALL Java_de_tesis_dynaware_javafx_graphics_importers_fbx_JFbxLib_getMeshVertices(JNIEnv *env, jobject obj, jint attributeIndex) {
// Check FBX file has been opened.
if (!isOpen()) { throwFileClosedException(env); }
// Check attribute index bounds for safety.
if (!checkAttributeBounds(attributeIndex)) { throwArrayOutOfBoundsException(env); }
// Check attribute type for safety.
if (!isValidType(attributeIndex, FbxNodeAttribute::EType::eMesh)) { return NULL; }
FbxMesh* mesh = (FbxMesh*)currentNode->GetNodeAttributeByIndex(attributeIndex);
FbxVector4 *controlPoints = mesh->GetControlPoints();
const int controlPointsCount = mesh->GetControlPointsCount();
jfloatArray vertices = env->NewFloatArray(3*controlPointsCount);
// Check memory could be allocated.
if (vertices == NULL) { throwOutOfMemoryError(env); }
for (int i=0; i<controlPointsCount; i++) {
jfloat vertex[3];
vertex[0] = controlPoints[i][0];
vertex[1] = controlPoints[i][1];
vertex[2] = controlPoints[i][2];
env->SetFloatArrayRegion(vertices, 3*i, 3, vertex);
}
return vertices;
}
// メッシュ情報処理(再帰関数)
void GetMeshData(FbxNode *parent, VertexDataArray& outVertexData)
{
// メッシュだけ処理
int numKids = parent->GetChildCount();
for(int i = 0; i < numKids; i++)
{
FbxNode *child = parent->GetChild(i);
// メッシュを見つけたら
if(child->GetMesh())
{
FbxMesh* pMesh = child->GetMesh();// static_cast<FbxMesh*>(child->GetNodeAttribute());
printf("メッシュ発見\n");
printf("名前:%s\n", pMesh->GetName());
printf("ポリゴン数:%d\n", pMesh->GetPolygonCount());
printf("マテリアル数:%d\n", pMesh->GetElementMaterialCount());
printf("コントロールポイント数(頂点座標):%d\n", pMesh->GetControlPointsCount());
printf("UV数:%d\n", pMesh->GetTextureUVCount());
FbxArray<FbxVector4> normals;
pMesh->GetPolygonVertexNormals(normals);
printf("法線数:%d\n", normals.GetCount());
// 頂点情報取得
GetFBXVertexData(pMesh, outVertexData);
}
// マテリアル
int numMat = child->GetMaterialCount();
for(int j = 0; j < numMat; ++j)
{
FbxSurfaceMaterial* mat = child->GetMaterial(j);
if(mat)
{
GetMatrialData(mat);
}
}
if(numMat == 0)
{
printf("マテリアルなし\n");
}
child->GetChild(0);
// 更に子を処理
GetMeshData(child, outVertexData);
}
}
void CFBXLoader::SetupNode(FbxNode* pNode, std::string parentName)
{
if(!pNode)
return ;
FBX_MESH_NODE meshNode;
meshNode.name = pNode->GetName();
meshNode.parentName = parentName;
ZeroMemory( &meshNode.elements, sizeof(MESH_ELEMENTS) );
FbxMesh* lMesh = pNode->GetMesh();
if(lMesh)
{
const int lVertexCount = lMesh->GetControlPointsCount();
if (lVertexCount>0)
{
// 頂点があるならノードにコピー
CopyVertexData(lMesh, &meshNode);
}
}
// マテリアル
const int lMaterialCount = pNode->GetMaterialCount();
for(int i=0;i<lMaterialCount;i++)
{
FbxSurfaceMaterial* mat = pNode->GetMaterial(i);
if(!mat)
continue;
FBX_MATERIAL_NODE destMat;
CopyMatrialData(mat, &destMat);
meshNode.m_materialArray.push_back(destMat);
}
//
ComputeNodeMatrix(pNode, &meshNode);
m_meshNodeArray.push_back(meshNode);
const int lCount = pNode->GetChildCount();
for (int i = 0; i < lCount; i++)
{
SetupNode(pNode->GetChild(i), meshNode.name);
}
}
void FbxLoader::ProcessControlPoints(FbxNode* node, Node& meshNode)
{
FbxMesh* currMesh = node->GetMesh();
if(!currMesh)
return;
const int ctrlPointCount = currMesh->GetControlPointsCount();
meshNode.controlPoints.resize(ctrlPointCount);
for(int i = 0; i < ctrlPointCount; i++) {
FbxVector4 p = currMesh->GetControlPointAt(i);
auto& cp = meshNode.controlPoints[i];
cp.position = { (float)p[0], (float)p[1], (float)p[2] };
}
}
//===============================================================================================================================
void FBXLoader::LoadControlPoints(FbxNode* node)
{
FbxMesh* mesh = node->GetMesh();
uint32 controlPointCount = mesh->GetControlPointsCount();
for (uint32 i = 0; i < controlPointCount; ++i)
{
ZShadeSandboxMesh::PhysicalPoint* currCtrlPoint = new ZShadeSandboxMesh::PhysicalPoint();
XMFLOAT3 position;
position.x = static_cast<float>(mesh->GetControlPointAt(i).mData[0]);
position.y = static_cast<float>(mesh->GetControlPointAt(i).mData[1]);
position.z = static_cast<float>(mesh->GetControlPointAt(i).mData[2]);
currCtrlPoint->position = position;
mControlPoints[i] = currCtrlPoint;
}
}
void Parser::bake_meshes_recursive(FbxNode * node, FbxAnimLayer * animation_layer)
{
FbxPose * pose = NULL;
FbxTime current_time;
FbxAMatrix parent_global_position;
FbxAMatrix global_position = get_global_position(node, current_time, pose, &parent_global_position);
FbxNodeAttribute* node_attribute = node->GetNodeAttribute();
if(node_attribute) {
if(node_attribute->GetAttributeType() == FbxNodeAttribute::eMesh) {
FbxMesh * mesh = node->GetMesh();
FbxAMatrix geometry_offset = get_geometry(node);
FbxAMatrix global_offset_position = global_position * geometry_offset;
FbxVector4* control_points = mesh->GetControlPoints();
bake_global_positions(control_points, mesh->GetControlPointsCount(), global_offset_position);
if(mesh && !mesh->GetUserDataPtr()) {
VBOMesh * mesh_cache = new VBOMesh;
if(mesh_cache->initialize(mesh)) {
bake_mesh_deformations(mesh, mesh_cache, current_time, animation_layer, global_offset_position, pose);
meshes->push_back(mesh_cache);
}
}
}
}
const int node_child_count = node->GetChildCount();
for(int node_child_index = 0; node_child_index < node_child_count; ++node_child_index) {
bake_meshes_recursive(node->GetChild(node_child_index), animation_layer);
}
}
MeshData* FBXImporter::GetMeshInfo()
{
mMeshData = new MeshData();
int indicesIndexOffset = 0; // 记录当前mesh在整个ib中的索引位移。
int verticesIndexOffset = 0; // 记录当前mesh在整个vb中的顶点位移。
for (int meshIndex = 0; meshIndex < mFBXMeshDatas.size(); meshIndex++)
{
FbxMesh* mesh = mFBXMeshDatas[meshIndex]->mMesh;
FBXMeshData* fbxMeshData = mFBXMeshDatas[meshIndex];
fbxMeshData->mVerticesCount = mesh->GetControlPointsCount();
fbxMeshData->mIndicesCount = mesh->GetPolygonVertexCount();
fbxMeshData->mTrianglesCount = mesh->GetPolygonCount();
// 获取3dsmax中的全局变换矩阵，稍后可以在DX中还原。
FbxMatrix gloableTransform = mesh->GetNode()->EvaluateGlobalTransform();
FbxAMatrix matrixGeo;
matrixGeo.SetIdentity();
const FbxVector4 lT = mesh->GetNode()->GetGeometricTranslation(FbxNode::eSourcePivot);
const FbxVector4 lR = mesh->GetNode()->GetGeometricRotation(FbxNode::eSourcePivot);
const FbxVector4 lS = mesh->GetNode()->GetGeometricScaling(FbxNode::eSourcePivot);
matrixGeo.SetT(lT);
matrixGeo.SetR(lR);
matrixGeo.SetS(lS);
FbxAMatrix matrixL2W;
matrixL2W.SetIdentity();
matrixL2W = mesh->GetNode()->EvaluateGlobalTransform();
matrixL2W *= matrixGeo;
XMMATRIX globalTransform = XMLoadFloat4x4(&fbxMeshData->globalTransform);
FbxMatrixToXMMATRIX(globalTransform, matrixL2W);
XMStoreFloat4x4(&fbxMeshData->globalTransform, globalTransform);
// 读取顶点。
ReadVertices(fbxMeshData);
// 读取索引。
ReadIndices(fbxMeshData);
// 先读取网格对应的材质索引信息，以便优化稍后纹理读取。
// 一个网格可能只对应一个materialId，也可能对应多个materialId(3dsmax里的Multi/Sub-Object材质)。
// 如果只对应一个材质，简单的读取就行，不过普遍情况可能是为了优化渲染合并mesh从而拥有多材质。
// 这个函数调用完毕我们会得到materialId和拥有这个materialId的三角形列表(三角形编号列表)，保存在vector<MaterialIdOffset>的容器中。
//struct Material
//{
// Material() {}
// Material(int id, string diffuse, string normalMap)
// : materialId(id),
// diffuseTextureFile(diffuse),
// normalMapTextureFile(normalMap)
// {}
//
// int materialId;
// string diffuseTextureFile;
// string normalMapTextureFile;
//};
// struct MaterialIdOffset
//{
// MaterialIdOffset()
// : polygonCount(0)
// {}
// int polygonCount;
// Material material;
//};
ConnectMaterialsToMesh(mesh, fbxMeshData->mTrianglesCount);
// 根据ConnectMaterialsToMesh得到的信息读取材质纹理信息，同样存入vector<MaterialIdOffset>容器。
LoadMaterials(fbxMeshData);
int triangleCount = mesh->GetPolygonCount();
int controlPointIndex = 0;
int normalIndex = 0;
fbxMeshData->mUVs.resize(fbxMeshData->mIndicesCount, XMFLOAT2(-1.0f, -1.0f));
// Extract normals and uvs from FbxMesh.
for (int i = 0; i < triangleCount; i++)
{
int polygonSize = mesh->GetPolygonSize(i);
for (int j = 0; j < polygonSize; j++)
{
controlPointIndex = mesh->GetPolygonVertex(i, j);
ReadNormals(fbxMeshData, controlPointIndex, normalIndex);
// 有纹理我们才读取uv，tangent以及binormal。
if (fbxMeshData->hasDiffuseTexture())
{
ReadUVs(fbxMeshData, controlPointIndex, normalIndex, mesh->GetTextureUVIndex(i, j), 0);
ReadTangents(fbxMeshData, controlPointIndex, normalIndex);
ReadBinormals(fbxMeshData, controlPointIndex, normalIndex);
}
normalIndex++;
}
}
SplitVertexByNormal(fbxMeshData);
if (fbxMeshData->hasDiffuseTexture())
{
SplitVertexByUV(fbxMeshData);
}
else
{
fbxMeshData->mUVs.resize(fbxMeshData->mVerticesCount);
}
if (fbxMeshData->hasNormalMapTexture())
{
SplitVertexByTangent(fbxMeshData);
SplitVertexByBinormal(fbxMeshData);
}
else
{
fbxMeshData->mTangents.resize(fbxMeshData->mVerticesCount);
fbxMeshData->mBinormals.resize(fbxMeshData->mVerticesCount);
}
// 如果.fbx包含一个以上的mesh，需要计算当前FBXMeshData的索引在全局索引中的位置。
for (int i = 0; i < fbxMeshData->mIndicesCount; i++)
{
fbxMeshData->mIndices[i] = fbxMeshData->mIndices[i] + verticesIndexOffset;
}
mMeshData->verticesCount += fbxMeshData->mVerticesCount;
mMeshData->indicesCount += fbxMeshData->mIndicesCount;
mMeshData->meshesCount++;
// 多材质的情况。
// 根据之前填充的materialIdOffsets容器保存的materialId和三角形的对应关系，
// 计算每个RenderPackage渲染所需的索引数量和索引起始位置(偏移)。
if (isByPolygon && fbxMeshData->hasDiffuseTexture())
{
vector<MaterialIdOffset> materialIdOffsets = mMeshData->materialIdOffsets;
for (int i = 0; i < materialIdOffsets.size(); i++)
{
RenderPackage renderPacakge;
renderPacakge.globalTransform = fbxMeshData->globalTransform;
renderPacakge.indicesCount = materialIdOffsets[i].polygonCount * 3;
if (i == 0)
{
renderPacakge.indicesOffset = indicesIndexOffset;
}
else
{
renderPacakge.indicesOffset += indicesIndexOffset;
}
renderPacakge.material = materialIdOffsets[i].material;
mMeshData->renderPackages.push_back(renderPacakge);
indicesIndexOffset += renderPacakge.indicesCount;
}
}
else
// 单一材质的情况。
{
RenderPackage renderPackage;
renderPackage.indicesCount = fbxMeshData->mIndicesCount;
renderPackage.indicesOffset = indicesIndexOffset;
renderPackage.material = fbxMeshData->mMaterial;
renderPackage.globalTransform = fbxMeshData->globalTransform;
mMeshData->renderPackages.push_back(renderPackage);
indicesIndexOffset += fbxMeshData->mIndices.size();
}
verticesIndexOffset += fbxMeshData->mVertices.size();
// 将当前mesh的数据追加到全局数据容器。
Merge(mMeshData->vertices, fbxMeshData->mVertices);
Merge(mMeshData->indices, fbxMeshData->mIndices);
Merge(mMeshData->normals, fbxMeshData->mNormals);
Merge(mMeshData->uvs, fbxMeshData->mUVs);
Merge(mMeshData->tangents, fbxMeshData->mTangents);
Merge(mMeshData->binormals, fbxMeshData->mBinormals);
mMeshData->materialIdOffsets.clear();
}
clear();
return mMeshData;
}
void MeshImporter::LoadNodeMesh(FbxNode* node, ID3D11Device3* device,
ID3D11DeviceContext3* context)
{
unsigned int numPolygons = 0;
unsigned int numVertices = 0;
unsigned int numIndices = 0;
unsigned int numPolygonVert = 0;
if (node->GetNodeAttribute() != NULL &&
node->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::eMesh)
{
//PrintNode(node);
// Create meshes
FbxMesh* fbxMesh = node->GetMesh();
numPolygons = fbxMesh->GetPolygonCount();
numIndices = fbxMesh->GetPolygonVertexCount();
numVertices = fbxMesh->GetControlPointsCount();
// Do not use indexed drawing method
numVertices = numIndices;
vector<Vertex> vertices(numVertices);
vector<unsigned int> indices(numIndices);
numPolygonVert = 3;
//assert(numPolygonVert == 3);
FbxVector4* controlPoints = fbxMesh->GetControlPoints();
int* indices_array = fbxMesh->GetPolygonVertices();
// Need to be changed for optimization
for (unsigned int i = 0; i < numIndices; i++)
{
indices[i] = indices_array[i];
vertices[i].pos.x = (float)fbxMesh->GetControlPointAt(indices[i]).mData[0] / 10000.0f;
vertices[i].pos.y = (float)fbxMesh->GetControlPointAt(indices[i]).mData[1] / 10000.0f;
vertices[i].pos.z = (float)fbxMesh->GetControlPointAt(indices[i]).mData[2] / 10000.0f;
}
// For indexed drawing
/*for (unsigned int i = 0; i < numVertices; i++)
{
vertices[i].pos.x = (float)controlPoints[i].mData[0];// / 25.0f;
vertices[i].pos.y = (float)controlPoints[i].mData[1];// / 25.0f;
vertices[i].pos.z = (float)controlPoints[i].mData[2];// / 25.0f;
}*/
LoadUV(fbxMesh, &vertices[0], &indices[0]);
// Set to be clockwise, must be done after reading uvs and normals
for (auto it = vertices.begin(); it != vertices.end(); it += 3)
{
std::swap(*it, *(it + 2));
}
//OutputDebugStringA(("\n number of polygons: " + to_string(numPolygons) + " \n").c_str());
//OutputDebugStringA(("\n number of indices: " + to_string(numIndices) + " \n").c_str());
//OutputDebugStringA(("\n number of vertices: " + to_string(vertices.size()) + " \n").c_str());
ModelObj::MeshEntry mesh;
mesh.vertices = vertices;
mesh.indices = indices;
mesh.numVertices = numVertices;
mesh.numIndices = numIndices;
LoadMaterials(node, &mesh, device, context);
model->entries.push_back(mesh);
}
for (int i = 0; i < node->GetChildCount(); i++)
{
LoadNodeMesh(node->GetChild(i), device, context);
}
}
HRESULT FBXLoader::loadFBXFile(char* filePath, VertexBuffer** vBuf, IndexBuffer** iBuf, Renderer* renderer, bool centerShift)
{
if (g_pFbxSdkManager == nullptr)
{
g_pFbxSdkManager = FbxManager::Create();
FbxIOSettings* pIOsettings = FbxIOSettings::Create(g_pFbxSdkManager, IOSROOT);
g_pFbxSdkManager->SetIOSettings(pIOsettings);
}
this->shiftCenter = centerShift;
FbxImporter* pImporter = FbxImporter::Create(g_pFbxSdkManager, "");
FbxScene* pFbxScene = FbxScene::Create(g_pFbxSdkManager, "");
bool bSuccess = pImporter->Initialize(filePath, -1, g_pFbxSdkManager->GetIOSettings());
if (!bSuccess) return E_FAIL;
bSuccess = pImporter->Import(pFbxScene);
if (!bSuccess) return E_FAIL;
FbxAxisSystem sceneAxisSystem = pFbxScene->GetGlobalSettings().GetAxisSystem();
FbxAxisSystem DirectXAxisSystem(FbxAxisSystem::eYAxis, FbxAxisSystem::eParityOdd, FbxAxisSystem::eLeftHanded);
if (sceneAxisSystem != DirectXAxisSystem)
{
DirectXAxisSystem.ConvertScene(pFbxScene);
}
pImporter->Destroy();
FbxNode* pFbxRootNode = pFbxScene->GetRootNode();
if (pFbxRootNode)
{
// Check if the getChildCount is > 1 TODO
int test = pFbxRootNode->GetChildCount();
for (int i = 0; i < pFbxRootNode->GetChildCount(); i++)
{
FbxNode* pFbxChildNode = pFbxRootNode->GetChild(i);
if (pFbxChildNode->GetNodeAttribute() == NULL)
continue;
FbxNodeAttribute::EType AttributeType = pFbxChildNode->GetNodeAttribute()->GetAttributeType();
if (AttributeType != FbxNodeAttribute::eMesh)
continue;
FbxMesh* pMesh = (FbxMesh*)pFbxChildNode->GetNodeAttribute();
int numControlPoints = pMesh->GetControlPointsCount();
bool initial = true;
float xMin, yMin, zMin;
float xMax, yMax, zMax;
float xIn, yIn, zIn;
float xCenter, yCenter, zCenter;
if (this->shiftCenter){
for (int c = 0; c < numControlPoints; c++) {
xIn = (float)pMesh->GetControlPointAt(c).mData[0];
yIn = (float)pMesh->GetControlPointAt(c).mData[1];
zIn = (float)pMesh->GetControlPointAt(c).mData[2];
if (initial) {
xMin = xIn;
yMin = yIn;
zMin = zIn;
xMax = xIn;
yMax = yIn;
zMax = zIn;
initial = false;
}
else {
if (xIn < xMin) {
xMin = xIn;
}
if (yIn < yMin) {
yMin = yIn;
}
if (zIn < zMin) {
zMin = zIn;
}
if (xIn > xMax) {
xMax = xIn;
}
if (yIn > yMax) {
yMax = yIn;
}
if (zIn > zMax) {
zMax = zIn;
}
}
}
xCenter = (xMin + xMax) / 2.0f;
yCenter = (yMin + yMax) / 2.0f;
zCenter = (zMin + zMax) / 2.0f;
}
else {
xCenter = 0;
yCenter = 0;
zCenter = 0;
}
FbxVector4* pVertices = pMesh->GetControlPoints();
int vertexCount = pMesh->GetPolygonVertexCount();
//Vertex vertex;
Vertex* vertexArray = new Vertex[vertexCount];
//Vertex vertexArray[2592];
int numIndices = vertexCount;
unsigned int* indexArray = new unsigned int[numIndices];
FbxVector4 fbxNorm(0, 0, 0, 0);
FbxVector2 fbxUV(0, 0);
bool isMapped;
int vertexIndex = 0;
// Loop iterates through the polygons and fills the vertex and index arrays for the buffers
for (int j = 0; j < pMesh->GetPolygonCount(); j++)
{
int iNumVertices = pMesh->GetPolygonSize(j);
assert(iNumVertices == 3);
//1st vertex
int controlIndex = pMesh->GetPolygonVertex(j, 2);
pMesh->GetPolygonVertexUV(j, 2, "map1", fbxUV, isMapped);
pMesh->GetPolygonVertexNormal(j, 2, fbxNorm);
vertexArray[vertexIndex].point[0] = (float)pVertices[controlIndex].mData[0] - xCenter;
vertexArray[vertexIndex].point[1] = (float)pVertices[controlIndex].mData[1] - yCenter;
vertexArray[vertexIndex].point[2] = -(float)pVertices[controlIndex].mData[2] - zCenter;
vertexArray[vertexIndex].texCoord[0] = (float)fbxUV[0];
vertexArray[vertexIndex].texCoord[1] = 1.0f - (float)fbxUV[1];
vertexArray[vertexIndex].normal[0] = (float)fbxNorm[0];
vertexArray[vertexIndex].normal[1] = (float)fbxNorm[1];
vertexArray[vertexIndex].normal[2] = -(float)fbxNorm[2];
indexArray[vertexIndex] = vertexIndex;
vertexIndex++;
//2nd vertex
controlIndex = pMesh->GetPolygonVertex(j, 1);
pMesh->GetPolygonVertexUV(j, 1, "map1", fbxUV, isMapped);
pMesh->GetPolygonVertexNormal(j, 1, fbxNorm);
vertexArray[vertexIndex].point[0] = (float)pVertices[controlIndex].mData[0] - xCenter;
vertexArray[vertexIndex].point[1] = (float)pVertices[controlIndex].mData[1] - yCenter;
vertexArray[vertexIndex].point[2] = -(float)pVertices[controlIndex].mData[2] - zCenter;
vertexArray[vertexIndex].texCoord[0] = (float)fbxUV[0];
vertexArray[vertexIndex].texCoord[1] = 1.0f - (float)fbxUV[1];
vertexArray[vertexIndex].normal[0] = (float)fbxNorm[0];
vertexArray[vertexIndex].normal[1] = (float)fbxNorm[1];
vertexArray[vertexIndex].normal[2] = -(float)fbxNorm[2];
indexArray[vertexIndex] = vertexIndex;
vertexIndex++;
//3rd vertex
controlIndex = pMesh->GetPolygonVertex(j, 0);
pMesh->GetPolygonVertexUV(j, 0, "map1", fbxUV, isMapped);
pMesh->GetPolygonVertexNormal(j, 0, fbxNorm);
vertexArray[vertexIndex].point[0] = (float)pVertices[controlIndex].mData[0] - xCenter;
vertexArray[vertexIndex].point[1] = (float)pVertices[controlIndex].mData[1] - yCenter;
vertexArray[vertexIndex].point[2] = -(float)pVertices[controlIndex].mData[2] - zCenter;
vertexArray[vertexIndex].texCoord[0] = (float)fbxUV[0];
vertexArray[vertexIndex].texCoord[1] = 1.0f - (float)fbxUV[1];
vertexArray[vertexIndex].normal[0] = (float)fbxNorm[0];
vertexArray[vertexIndex].normal[1] = (float)fbxNorm[1];
vertexArray[vertexIndex].normal[2] = -(float)fbxNorm[2];
indexArray[vertexIndex] = vertexIndex;
vertexIndex++;
}
// Generate vertex and index buffers from the vertex and index arrays
*vBuf = renderer->createVertexBuffer(vertexArray, vertexCount);
*iBuf = renderer->createIndexBuffer(indexArray, numIndices);
delete[] vertexArray;
delete[] indexArray;
}
}
return S_OK;
}
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;
}
void fbxLoader2::processMesh(FbxNode* node)
{
FbxMesh* mesh = node->GetMesh();
this->readAnimationWeigths(mesh);
if(mesh!=NULL && mesh->IsTriangleMesh())
{
for (int i = 0; i<mesh->GetControlPointsCount(); i++)
{
readVertex(mesh, i, &vertex[i]);
vertexArray[i].position = D3DXVECTOR3(vertex[i]);
}
int a = mesh->GetPolygonVertexCount();
for (int i = 0; i<mesh->GetPolygonVertexCount(); i++)
{
readUV(mesh, i, 0, &uv[i]);
readNormal(mesh, i, &normal[i]);
indices[i].indice = mesh->GetPolygonVertices()[i];
indices[i].normal1 = normal[i];
indices[i].uv1 = uv[i];
indicesMeshCount++;
}
}
//vertexLists.push_back(vertexArray);
indiceLists.push_back(indices);
FbxAnimStack* pAnimStack = FbxCast<FbxAnimStack>(scene->GetSrcObject(FBX_TYPE(FbxAnimStack)));
int numAnimLayers = pAnimStack->GetMemberCount(FBX_TYPE(FbxAnimLayer));
this->setBindPoseCluster(node);
for (int i = 0; i < numAnimLayers; i++)
{
FbxAnimLayer* pAnimLayer = pAnimStack->GetMember(FBX_TYPE(FbxAnimLayer), i);
FbxAnimCurve* animCv = this->findSkeletonRootBone(scene->GetRootNode())->GetChild(0)->LclTranslation.GetCurve(pAnimLayer, FBXSDK_CURVENODE_COMPONENT_X);
if (animCv)
{
FbxTimeSpan animationLength;
int p = animCv->KeyGetCount();
animCv->GetTimeInterval(animationLength);
for(int j = 0; j<animationStructure->GetFramesNumber();j++)
{
FbxTime timeKey = animCv->KeyGet(j).mTime;
//FbxTime interval = (duration/p)*j + animationLength.GetStart();
//int intervalVal = (duration.GetSecondCount()/p)*j + animationLength.GetStart().GetSecondCount();
const FbxTime pTime = animCv->KeyGet(j).mTime;
FbxAMatrix pGlobalPos = GetGlobalPosition(node, pTime, scene->GetPose(j));
ComputeSkinDeformation(pGlobalPos, mesh, timeKey, scene->GetPose(j), j);
}
}
}
for(int i = 0; i<node->GetChildCount(); i++)
{
processMesh(node->GetChild(i));
}
}
Model* FbxModelLoader::LoadModel(const char* fileName)
{
Model* model = nullptr;
if (!m_importer->Initialize(fileName, -1, m_manager->GetIOSettings()))
{
return nullptr;
}
FbxScene* lScene = FbxScene::Create(m_manager, "myscene");
m_importer->Import(lScene);
FbxNode* lRootNode = lScene->GetRootNode();
if (lRootNode)
{
if (lRootNode->GetChildCount() > 0)
{
FbxNode* lNode = lRootNode->GetChild(0);
FbxMesh* lMesh = lNode->GetMesh();
if (!lMesh)
return nullptr;
std::ofstream file;
file.open("DataFromFbxVector.txt");
char* buffer = new char[1024];
sprintf_s(buffer, 1024, "Number of children in Root: %d\n\n\n\n", lRootNode->GetChildCount());
file << buffer;
if (lMesh->IsTriangleMesh())
file << "It's a triangle mesh!";
else
file << "It's NOT a triangle mesh!";
FbxVector4* vertexArray = lMesh->GetControlPoints();
for (int i = 0; i < lMesh->GetControlPointsCount(); i++)
{
sprintf(buffer, "(%f, %f, %f)\n", vertexArray[i].mData[0], vertexArray[i].mData[1], vertexArray[i].mData[2]);
file << buffer;
}
delete buffer;
file.close();
Polygon* polygons = new Polygon[lMesh->GetPolygonCount()];
int polygonCount = lMesh->GetPolygonCount();
int index = 0;
buffer = new char[1024];
file.open("DataFromPolygons.txt");
for (int i = 0; i < lMesh->GetPolygonCount(); i++)
{
index = lMesh->GetPolygonVertex(i, 0);
sprintf(buffer, "\n\nPolygon #%d\nPolygon Vertex Index #%d: ", i, index);
file << buffer;
polygons[i].vertex1.x = (float)vertexArray[index].mData[0];
polygons[i].vertex1.y = (float)vertexArray[index].mData[1];
polygons[i].vertex1.z = (float)vertexArray[index].mData[2];
sprintf(buffer, "(%f, %f, %f)\n", polygons[i].vertex1.x, polygons[i].vertex1.y, polygons[i].vertex1.z);
file << buffer;
index = lMesh->GetPolygonVertex(i, 1);
sprintf(buffer, "Polygon Vertex Index #%d: ", index);
file << buffer;
polygons[i].vertex2.x = (float)vertexArray[index].mData[0];
polygons[i].vertex2.y = (float)vertexArray[index].mData[1];
polygons[i].vertex2.z = (float)vertexArray[index].mData[2];
sprintf(buffer, "(%f, %f, %f)\n", polygons[i].vertex2.x, polygons[i].vertex2.y, polygons[i].vertex2.z);
file << buffer;
index = lMesh->GetPolygonVertex(i, 2);
sprintf(buffer, "Polygon Vertex Index #%d: ", index);
file << buffer;
polygons[i].vertex3.x = (float)vertexArray[index].mData[0];
polygons[i].vertex3.y = (float)vertexArray[index].mData[1];
polygons[i].vertex3.z = (float)vertexArray[index].mData[2];
sprintf(buffer, "(%f, %f, %f)\n", polygons[i].vertex3.x, polygons[i].vertex3.y, polygons[i].vertex3.z);
file << buffer;
}
file.close();
delete buffer;
model = new Model();
model->Vertices = new DirectX::XMFLOAT3[polygonCount * 3];
model->NumVertices = polygonCount * 3;
file.open("DataFromPolygonToModelTransfer.txt");
buffer = new char[1024];
for (int i = 0; i < lMesh->GetPolygonCount() * 3; i += 3)
{
model->Vertices[i] = polygons[i/3].vertex1;
model->Vertices[i+1] = polygons[i/3].vertex2;
model->Vertices[i+2] = polygons[i/3].vertex3;
sprintf_s(buffer, 1024, "Polygon #%d:\n(%f, %f, %f)\n(%f, %f, %f)\n(%f, %f, %f)\n\n"
, i / 3
, model->Vertices[i].x, model->Vertices[i].y, model->Vertices[i].z
, model->Vertices[i+1].x, model->Vertices[i+1].y, model->Vertices[i+1].z
, model->Vertices[i+2].x, model->Vertices[i+2].y, model->Vertices[i+2].z);
file << buffer;
}
delete buffer;
file.close();
// delete [] polygons;
}
else
return nullptr;
}
else
return nullptr;
return model;
}
void importFBXNode(
FbxNode *node,
vector<Vector3> &vertices,
vector<Color> &colors,
vector<Vector2> &uvs,
vector<Vector3> &normals,
vector<uint32> &elements) {
FbxNode *childNode = 0;
int numKids = node->GetChildCount();
for ( int i=0 ; i<numKids ; i++)
{
childNode = node->GetChild(i);
FbxMesh *mesh = childNode->GetMesh();
if ( mesh != NULL )
{
auto offset = node->GetGeometricTranslation(FbxNode::eSourcePivot);
//================= Get Vertices ====================================
int baseline = vertices.size();
int numVerts = mesh->GetControlPointsCount();
for ( int j=0; j<numVerts; j++)
{
FbxVector4 vert = mesh->GetControlPointAt(j);
vertices.push_back(
Vector3(vert.mData[0], vert.mData[1], vert.mData[2])
/*+ Vector3(offset.mData[0], offset.mData[1], offset.mData[2])*/);
colors.push_back(Vector3(1, 1, 1));
uvs.push_back(Vector2(0, 0));
}
//================= Get Indices ====================================
int numIndices=mesh->GetPolygonVertexCount();
int *indicesRaw = mesh->GetPolygonVertices();
for (int j = 0; j < numIndices; j++) {
elements.push_back(indicesRaw[j] + baseline);
}
int cnt = 0;
int polygonCount = mesh->GetPolygonCount();
for (int j = 0; j < polygonCount; ++j) {
FbxLayerElementArrayTemplate<FbxVector2>* uvVertices= 0;
mesh->GetTextureUV(&uvVertices, FbxLayerElement::eTextureDiffuse);
for (int k = 0; k < mesh->GetPolygonSize(j); ++k) {
FbxVector2 uv = (*uvVertices)[mesh->GetTextureUVIndex(j, k)];
uvs[indicesRaw[cnt] + baseline].x = uv[0];
uvs[indicesRaw[cnt] + baseline].y = uv[1];
cnt++;
}
}
}
importFBXNode(childNode, vertices, colors, uvs, normals, elements);
}
}
void MeshImporter::LoadNodeMesh(FbxNode* node, ID3D11Device3* device,
ID3D11DeviceContext3* context)
{
unsigned int numPolygons = 0;
unsigned int numVertices = 0;
unsigned int numIndices = 0;
unsigned int numPolygonVert = 0;
if (node->GetNodeAttribute() != NULL &&
node->GetNodeAttribute()->GetAttributeType() == FbxNodeAttribute::eMesh)
{
//PrintNode(node);
// Create meshes
FbxMesh* fbxMesh = node->GetMesh();
numPolygons = fbxMesh->GetPolygonCount();
numIndices = fbxMesh->GetPolygonVertexCount();
numVertices = fbxMesh->GetControlPointsCount();
// Do not use indexed drawing method
numVertices = numIndices;
vector<Vertex> vertices(numVertices);
vector<unsigned int> indices(numIndices);
numPolygonVert = 3;
//assert(numPolygonVert == 3);
FbxVector4* controlPoints = fbxMesh->GetControlPoints();
int* indices_array = fbxMesh->GetPolygonVertices();
// Need to be changed for optimization
for (unsigned int i = 0; i < numIndices; i++)
{
indices[i] = indices_array[i];
vertices[i].pos.x = (float)fbxMesh->GetControlPointAt(indices[i]).mData[0];// / 1000.0f;
vertices[i].pos.y = (float)fbxMesh->GetControlPointAt(indices[i]).mData[1];// / 1000.0f;
vertices[i].pos.z = (float)fbxMesh->GetControlPointAt(indices[i]).mData[2];// / 1000.0f;
}
// For indexed drawing
/*for (unsigned int i = 0; i < numVertices; i++)
{
vertices[i].pos.x = (float)controlPoints[i].mData[0];
vertices[i].pos.y = (float)controlPoints[i].mData[1];
vertices[i].pos.z = (float)controlPoints[i].mData[2];
}*/
LoadUV(fbxMesh, &vertices[0], &indices[0]);
//OutputDebugStringA(("\n number of polygons: " + to_string(numPolygons) + " \n").c_str());
//OutputDebugStringA(("\n number of indices: " + to_string(numIndices) + " \n").c_str());
//OutputDebugStringA(("\n number of vertices: " + to_string(vertices.size()) + " \n").c_str());
// Read mesh base transform matrix
FbxAMatrix fbxGlobalMeshBaseMatrix = node->EvaluateGlobalTransform().Inverse().Transpose();
XMFLOAT4X4 globalMeshBaseMatrix;
for (int r = 0; r < 4; r++)
{
//PrintTab("Global mesh base mat: " + to_string(fbxGlobalMeshBaseMatrix.mData[r][0]));
for (int c = 0; c < 4; c++)
{
globalMeshBaseMatrix.m[r][c] = (float)fbxGlobalMeshBaseMatrix.mData[r][c];
}
}
// To be considered when importing Maya fbx model
//FbxAMatrix geoMatrix = GetTransformMatrix(node);
//ConvertFbxAMatrixToDXMatrix(&globalMeshBaseMatrix, fbxGlobalMeshBaseMatrix);
MeshEntry mesh;
mesh.vertices = vertices;
mesh.indices = indices;
mesh.numVertices = numVertices;
mesh.numIndices = numIndices;
mesh.fbxNode = node;
mesh.globalMeshBaseMatrix = globalMeshBaseMatrix;
// Load materials and textures
LoadMaterials(node, &mesh, device, context);
// Load weights
LoadWeight(fbxMesh, &mesh);
// Set to be clockwise, must be done after reading uvs, normals, weights and etc
for (auto it = mesh.vertices.begin(); it != mesh.vertices.end(); it += 3)
{
swap(*it, *(it + 2));
}
model->entries.push_back(mesh);
}
int numChild = node->GetChildCount();
for (int i = 0; i < numChild; i++)
{
LoadNodeMesh(node->GetChild(i), device, context);
}
}
void FBXScene::ProcessMesh(FbxNode* pNode)
{
FbxMesh* pFBXMesh = pNode->GetMesh();
if( !pFBXMesh )
return;
if ( pFBXMesh->GetPolygonVertexCount() != pFBXMesh->GetPolygonCount() * 3 )
{
FbxGeometryConverter GeometryConverter(pNode->GetFbxManager());
if( !GeometryConverter.TriangulateInPlace( pNode ) )
{
return;
}
pFBXMesh = pNode->GetMesh();
}
pFBXMesh->InitNormals();
pFBXMesh->ComputeVertexNormals(true);
pFBXMesh->GenerateTangentsDataForAllUVSets();
int nVertexCount = pFBXMesh->GetControlPointsCount();
if( nVertexCount <= 0 )
return;
std::vector<BoneWeights> boneWeights(nVertexCount);
ProcessBoneWeights(pFBXMesh, boneWeights);
Model* pModel = new Model(pNode->GetName(), m_Models.GetCount(), false);
FbxVector4* aControlPoints = pFBXMesh->GetControlPoints();
for( int pi = 0; pi < pFBXMesh->GetPolygonCount(); ++pi ) // Whole for-loop takes some time too, investigate further.
{
// Material
Material* pMaterial = NULL;
for( unsigned int pvi = 0; pvi < 3; ++pvi )
{
int nVertexIndex = pFBXMesh->GetPolygonVertex(pi, pvi);
if( nVertexIndex < 0 || nVertexIndex >= nVertexCount )
continue;
// Material
if( pMaterial == NULL )
pMaterial = GetMaterialLinkedWithPolygon(pFBXMesh, 0, pi, 0, nVertexIndex);
// Position
FbxVector4 fbxPosition = aControlPoints[nVertexIndex];
// Normals And Tangents
FbxVector4 fbxNormal, fbxTangent;
fbxNormal = GetNormal(pFBXMesh, 0, pi, pvi, nVertexIndex);
fbxTangent = GetTangent(pFBXMesh, 0, pi, pvi, nVertexIndex);
// Add Vertex
pModel->AddVertex(pMaterial, FbxVector4ToBTHFBX_VEC3(fbxPosition),
FbxVector4ToBTHFBX_VEC3(fbxNormal),
FbxVector4ToBTHFBX_VEC3(fbxTangent),
GetTexCoord(pFBXMesh, 0, pi, pvi, nVertexIndex),
boneWeights[nVertexIndex]);
// Update Bounding Box
UpdateBoundingBoxDataFromVertex(FbxVector4ToBTHFBX_VEC3(fbxPosition));
}
}
// Geometric Offset
pModel->SetGeometricOffset2(GetGeometricOffset2(pNode));
// Insert Model
m_Models.Add(pModel->GetName(), pModel);
}
void FbxLoader::LoadAttribute(FbxNodeAttribute* pAttribute)
{
if (pAttribute->GetAttributeType() == FbxNodeAttribute::eMesh)
{
FbxMesh* pMesh = (FbxMesh*)pAttribute;
FbxVector4* IControlPoints = pMesh->GetControlPoints();
m_vertexCount = pMesh->GetControlPointsCount();
m_vertexBuffer = new float[m_vertexCount * 4];
for (int i = 0; i < m_vertexCount * 4; i+=4)
{
m_vertexBuffer[i] = (float)IControlPoints[i / 4].mData[0];
m_vertexBuffer[i + 1] = (float)IControlPoints[i / 4].mData[1];
m_vertexBuffer[i + 2] = (float)IControlPoints[i / 4].mData[2];
m_vertexBuffer[i + 3] = 1.0f;// IControlPoints[i / 4].mData[3];
}
int* pIndices = pMesh->GetPolygonVertices();
m_indexCount = pMesh->GetPolygonVertexCount();
m_indexBuffer = new uint32[m_indexCount];
for (int i = 0; i < m_indexCount; ++i)
{
m_indexBuffer[i] = pIndices[i];
}
FbxLayer* pLayer = pMesh->GetLayer(0);
if (pLayer != NULL)
{
FbxLayerElementNormal* pNormal = pLayer->GetNormals();
m_normalCount = pNormal->mDirectArray->GetCount();
m_normalBuffer = new float[m_normalCount * 3];
for (int i = 0; i < m_normalCount * 3; i+=3)
{
m_normalBuffer[i] = (float)(*pNormal->mDirectArray)[i / 3][0];
m_normalBuffer[i + 1] = (float)(*pNormal->mDirectArray)[i / 3][1];
m_normalBuffer[i + 2] = (float)(*pNormal->mDirectArray)[i / 3][2];
//m_normalBuffer[i + 3] = (*pNormal->mDirectArray)[i / 4][3];
}
FbxLayerElementUV* pUV = pLayer->GetUVs();
if (pUV->GetMappingMode() == FbxLayerElement::eByPolygonVertex)
{
if (pUV->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
{
m_uvCount = pUV->mIndexArray->GetCount();
m_uvBuffer = new float[m_uvCount * 2];
for (int i = 0; i < m_uvCount * 2; i+=2)
{
m_uvBuffer[i] = (float)(*pUV->mDirectArray)[(*pUV->mIndexArray)[i / 2]][0];
m_uvBuffer[i + 1] = (float)(*pUV->mDirectArray)[(*pUV->mIndexArray)[i / 2]][1];
}
}
else
{
m_uvCount = pUV->mDirectArray->GetCount();
m_uvBuffer = new float[m_uvCount * 2];
for (int i = 0; i < m_uvCount * 2; i += 2)
{
m_uvBuffer[i] = (float)(*pUV->mDirectArray)[i / 2][0];
m_uvBuffer[i + 1] = (float)(*pUV->mDirectArray)[i / 2][1];
}
}
}
else
{
if (pUV->GetReferenceMode() == FbxLayerElement::eIndexToDirect)
{
m_uvCount = pUV->mIndexArray->GetCount();
m_uvBuffer = new float[m_uvCount * 2];
for (int i = 0; i < m_uvCount * 2; i+=2)
{
m_uvBuffer[i] = (float)(*pUV->mDirectArray)[(*pUV->mIndexArray)[i / 2]][0];
m_uvBuffer[i + 1] = (float)(*pUV->mDirectArray)[(*pUV->mIndexArray)[i / 2]][1];
}
}
else
{
m_uvCount = pUV->mDirectArray->GetCount();
m_uvBuffer = new float[m_uvCount * 2];
for (int i = 0; i < m_uvCount * 2; i+=2)
{
m_uvBuffer[i] = (float)(*pUV->mDirectArray)[i / 2][0];
m_uvBuffer[i + 1] = (float)(*pUV->mDirectArray)[i / 2][1];
}
}
}
}
}
}
