void FbxLoader::ComputeNodeMatrix(FbxNode* node, Node& meshNode, bool local)
{
if(!node)
return;
FbxAnimEvaluator* evaluator = scene->GetAnimationEvaluator();
FbxAMatrix global;
global.SetIdentity();
FbxTime time;
time.SetSecondDouble(0.0);
if(node != scene->GetRootNode()) {
if(local) {
global = evaluator->GetNodeLocalTransform(node, time);
}
else {
global = evaluator->GetNodeGlobalTransform(node, time);
}
}
auto T = global.GetT() * factor;
if(axismode == eLeftHanded) {
auto R = global.GetR();
R[1] *= -1; R[2] *= -1;
T[0] *= -1;
global.SetR(R);
}
global.SetT(T);
meshNode.matrix = Matrix(
(float)global[0][0], (float)global[0][1], (float)global[0][2], (float)global[0][3],
(float)global[1][0], (float)global[1][1], (float)global[1][2], (float)global[1][3],
(float)global[2][0], (float)global[2][1], (float)global[2][2], (float)global[2][3],
(float)global[3][0], (float)global[3][1], (float)global[3][2], (float)global[3][3]);
}
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 ParseMesh( FbxNode* pNode, FbxMesh* pFbxMesh, ExportFrame* pParentFrame, bool bSubDProcess, const CHAR* strSuffix )
{
if( !g_pScene->Settings().bExportMeshes )
return;
if( !pNode || !pFbxMesh )
return;
const CHAR* strName = pFbxMesh->GetName();
if( !strName || strName[0] == '\0' )
strName = pParentFrame->GetName().SafeString();
if( !strSuffix )
{
strSuffix = "";
}
CHAR strDecoratedName[512];
sprintf_s( strDecoratedName, "%s_%s%s", g_pScene->Settings().strMeshNameDecoration, strName, strSuffix );
ExportMesh* pMesh = new ExportMesh( strDecoratedName );
pMesh->SetDCCObject( pFbxMesh );
bool bSmoothMesh = false;
auto Smoothness = pFbxMesh->GetMeshSmoothness();
if( Smoothness != FbxMesh::eHull && g_pScene->Settings().bConvertMeshesToSubD )
{
bSubDProcess = true;
bSmoothMesh = true;
}
ExportLog::LogMsg( 2, "Parsing %s mesh \"%s\", renamed to \"%s\"", bSmoothMesh ? "smooth" : "poly", strName, strDecoratedName );
SkinData skindata;
bool bSkinnedMesh = ParseMeshSkinning( pFbxMesh, &skindata );
if( bSkinnedMesh )
{
DWORD dwBoneCount = skindata.GetBoneCount();
for( DWORD i = 0; i < dwBoneCount; ++i )
{
pMesh->AddInfluence( skindata.InfluenceNodes[i]->GetName() );
}
}
bool bExportColors = g_pScene->Settings().bExportColors;
pMesh->SetVertexColorCount( 0 );
// Vertex normals and tangent spaces
if( !g_pScene->Settings().bExportNormals )
{
pMesh->SetVertexNormalCount( 0 );
}
else if( g_pScene->Settings().bComputeVertexTangentSpace )
{
if( g_pScene->Settings().bExportBinormal )
pMesh->SetVertexNormalCount( 3 );
else
pMesh->SetVertexNormalCount( 2 );
}
else
{
pMesh->SetVertexNormalCount( 1 );
}
DWORD dwLayerCount = pFbxMesh->GetLayerCount();
ExportLog::LogMsg( 4, "%u layers in FBX mesh", dwLayerCount );
if (!dwLayerCount || !pFbxMesh->GetLayer(0)->GetNormals())
{
ExportLog::LogMsg( 4, "Generating normals..." );
pFbxMesh->InitNormals();
#if (FBXSDK_VERSION_MAJOR >= 2015)
pFbxMesh->GenerateNormals();
#else
pFbxMesh->ComputeVertexNormals();
#endif
}
DWORD dwVertexColorCount = 0;
FbxLayerElementVertexColor* pVertexColorSet = nullptr;
DWORD dwUVSetCount = 0;
FbxLayerElementMaterial* pMaterialSet = nullptr;
std::vector<FbxLayerElementUV*> VertexUVSets;
for( DWORD dwLayerIndex = 0; dwLayerIndex < dwLayerCount; ++dwLayerIndex )
{
if( pFbxMesh->GetLayer(dwLayerIndex)->GetVertexColors() && bExportColors )
{
if( dwVertexColorCount == 0 )
{
dwVertexColorCount++;
pVertexColorSet = pFbxMesh->GetLayer(dwLayerIndex)->GetVertexColors();
}
else
{
ExportLog::LogWarning( "Only one vertex color set is allowed; ignoring additional vertex color sets." );
}
}
if( pFbxMesh->GetLayer(dwLayerIndex)->GetUVs() )
{
dwUVSetCount++;
VertexUVSets.push_back( pFbxMesh->GetLayer(dwLayerIndex)->GetUVs() );
}
if( pFbxMesh->GetLayer(dwLayerIndex)->GetMaterials() )
{
if( pMaterialSet )
{
ExportLog::LogWarning( "Multiple material layers detected on mesh %s. Some will be ignored.", pMesh->GetName().SafeString() );
}
pMaterialSet = pFbxMesh->GetLayer(dwLayerIndex)->GetMaterials();
}
}
std::vector<ExportMaterial*> MaterialList;
for( int dwMaterial = 0; dwMaterial < pNode->GetMaterialCount(); ++dwMaterial )
{
auto pMat = pNode->GetMaterial( dwMaterial );
if ( !pMat )
continue;
auto pMaterial = ParseMaterial( pMat );
MaterialList.push_back( pMaterial );
}
ExportLog::LogMsg( 4, "Found %u UV sets", dwUVSetCount );
dwUVSetCount = std::min<DWORD>( dwUVSetCount, g_pScene->Settings().iMaxUVSetCount );
ExportLog::LogMsg( 4, "Using %u UV sets", dwUVSetCount );
pMesh->SetVertexColorCount( dwVertexColorCount );
pMesh->SetVertexUVCount( dwUVSetCount );
// TODO: Does FBX only support 2D texture coordinates?
pMesh->SetVertexUVDimension( 2 );
DWORD dwMeshOptimizationFlags = 0;
if( g_pScene->Settings().bCompressVertexData )
dwMeshOptimizationFlags |= ExportMesh::COMPRESS_VERTEX_DATA;
DWORD dwPolyCount = pFbxMesh->GetPolygonCount();
// Assume that polys are usually quads.
g_MeshTriangleAllocator.SetSizeHint( dwPolyCount * 2 );
DWORD dwVertexCount = pFbxMesh->GetControlPointsCount();
auto pVertexPositions = pFbxMesh->GetControlPoints();
if( bSkinnedMesh )
{
assert( skindata.dwVertexCount == dwVertexCount );
}
ExportLog::LogMsg( 4, "%u vertices, %u polygons", dwVertexCount, dwPolyCount );
DWORD dwNonConformingSubDPolys = 0;
// Compute total transformation
FbxAMatrix vertMatrix;
FbxAMatrix normMatrix;
{
auto trans = pNode->GetGeometricTranslation( FbxNode::eSourcePivot );
auto rot = pNode->GetGeometricRotation( FbxNode::eSourcePivot );
auto scale = pNode->GetGeometricScaling( FbxNode::eSourcePivot );
FbxAMatrix geom;
geom.SetT( trans );
geom.SetR( rot );
geom.SetS( scale );
if ( g_pScene->Settings().bExportAnimations || !g_pScene->Settings().bApplyGlobalTrans )
{
vertMatrix = geom;
}
else
{
auto global = pNode->EvaluateGlobalTransform();
vertMatrix = global * geom;
}
// Calculate the normal transform matrix (inverse-transpose)
normMatrix = vertMatrix;
normMatrix = normMatrix.Inverse();
normMatrix = normMatrix.Transpose();
}
const bool bInvertTexVCoord = g_pScene->Settings().bInvertTexVCoord;
// Loop over polygons.
DWORD basePolyIndex = 0;
for( DWORD dwPolyIndex = 0; dwPolyIndex < dwPolyCount; ++dwPolyIndex )
{
// Triangulate each polygon into one or more triangles.
DWORD dwPolySize = pFbxMesh->GetPolygonSize( dwPolyIndex );
assert( dwPolySize >= 3 );
DWORD dwTriangleCount = dwPolySize - 2;
assert( dwTriangleCount > 0 );
if( dwPolySize > 4 )
{
++dwNonConformingSubDPolys;
}
DWORD dwMaterialIndex = 0;
if( pMaterialSet )
{
switch( pMaterialSet->GetMappingMode() )
{
case FbxLayerElement::eByPolygon:
switch( pMaterialSet->GetReferenceMode() )
{
case FbxLayerElement::eDirect:
dwMaterialIndex = dwPolyIndex;
break;
case FbxLayerElement::eIndex:
case FbxLayerElement::eIndexToDirect:
dwMaterialIndex = pMaterialSet->GetIndexArray().GetAt( dwPolyIndex );
break;
}
}
}
DWORD dwCornerIndices[3];
// Loop over triangles in the polygon.
for( DWORD dwTriangleIndex = 0; dwTriangleIndex < dwTriangleCount; ++dwTriangleIndex )
{
dwCornerIndices[0] = pFbxMesh->GetPolygonVertex( dwPolyIndex, 0 );
dwCornerIndices[1] = pFbxMesh->GetPolygonVertex( dwPolyIndex, dwTriangleIndex + 1 );
dwCornerIndices[2] = pFbxMesh->GetPolygonVertex( dwPolyIndex, dwTriangleIndex + 2 );
//ExportLog::LogMsg( 4, "Poly %d Triangle %d: %d %d %d", dwPolyIndex, dwTriangleIndex, dwCornerIndices[0], dwCornerIndices[1], dwCornerIndices[2] );
FbxVector4 vNormals[3];
ZeroMemory( vNormals, 3 * sizeof(FbxVector4) );
INT iPolyIndex = static_cast<INT>( dwPolyIndex );
INT iVertIndex[3] = { 0, static_cast<INT>( dwTriangleIndex + 1 ), static_cast<INT>( dwTriangleIndex + 2 ) };
pFbxMesh->GetPolygonVertexNormal( iPolyIndex, iVertIndex[0], vNormals[0] );
pFbxMesh->GetPolygonVertexNormal( iPolyIndex, iVertIndex[1], vNormals[1] );
pFbxMesh->GetPolygonVertexNormal( iPolyIndex, iVertIndex[2], vNormals[2] );
// Build the raw triangle.
auto pTriangle = g_MeshTriangleAllocator.GetNewTriangle();
// Store polygon index
pTriangle->PolygonIndex = static_cast<INT>( dwPolyIndex );
// Store material subset index
pTriangle->SubsetIndex = dwMaterialIndex;
for( DWORD dwCornerIndex = 0; dwCornerIndex < 3; ++dwCornerIndex )
{
const DWORD& dwDCCIndex = dwCornerIndices[dwCornerIndex];
// Store DCC vertex index (this helps the mesh reduction/VB generation code)
pTriangle->Vertex[dwCornerIndex].DCCVertexIndex = dwDCCIndex;
// Store vertex position
auto finalPos = vertMatrix.MultT( pVertexPositions[dwDCCIndex] );
pTriangle->Vertex[dwCornerIndex].Position.x = (float)finalPos.mData[0];
pTriangle->Vertex[dwCornerIndex].Position.y = (float)finalPos.mData[1];
pTriangle->Vertex[dwCornerIndex].Position.z = (float)finalPos.mData[2];
// Store vertex normal
auto finalNorm = vNormals[dwCornerIndex];
finalNorm.mData[3] = 0.0;
finalNorm = normMatrix.MultT( finalNorm );
finalNorm.Normalize();
pTriangle->Vertex[dwCornerIndex].Normal.x = (float)finalNorm.mData[0];
pTriangle->Vertex[dwCornerIndex].Normal.y = (float)finalNorm.mData[1];
pTriangle->Vertex[dwCornerIndex].Normal.z = (float)finalNorm.mData[2];
// Store UV sets
for( DWORD dwUVIndex = 0; dwUVIndex < dwUVSetCount; ++dwUVIndex )
{
// Crack apart the FBX dereferencing system for UV coordinates
FbxLayerElementUV* pUVSet = VertexUVSets[dwUVIndex];
FbxVector2 Value( 0, 0 );
switch( pUVSet->GetMappingMode() )
{
case FbxLayerElement::eByControlPoint:
switch (pUVSet->GetReferenceMode())
{
case FbxLayerElement::eDirect:
Value = pUVSet->GetDirectArray().GetAt(dwDCCIndex);
break;
case FbxLayerElement::eIndex:
case FbxLayerElement::eIndexToDirect:
{
int iUVIndex = pUVSet->GetIndexArray().GetAt(dwDCCIndex);
Value = pUVSet->GetDirectArray().GetAt(iUVIndex);
}
break;
}
break;
case FbxLayerElement::eByPolygonVertex:
switch (pUVSet->GetReferenceMode())
{
case FbxLayerElement::eDirect:
Value = pUVSet->GetDirectArray().GetAt( basePolyIndex + iVertIndex[dwCornerIndex] );
break;
case FbxLayerElement::eIndex:
case FbxLayerElement::eIndexToDirect:
{
int iUVIndex = pUVSet->GetIndexArray().GetAt( basePolyIndex + iVertIndex[dwCornerIndex] );
#ifdef _DEBUG
if (!dwUVIndex)
{
// Warning: pFbxMesh->GetTextureUVIndex only works for the first layer of the mesh
int iUVIndex2 = pFbxMesh->GetTextureUVIndex(iPolyIndex, iVertIndex[dwCornerIndex]);
assert(iUVIndex == iUVIndex2);
}
#endif
Value = pUVSet->GetDirectArray().GetAt( iUVIndex );
}
break;
}
break;
}
// Store a single UV set
pTriangle->Vertex[dwCornerIndex].TexCoords[dwUVIndex].x = (float)Value.mData[0];
if( bInvertTexVCoord )
{
pTriangle->Vertex[dwCornerIndex].TexCoords[dwUVIndex].y = 1.0f - (float) Value.mData[1];
}
else
{
pTriangle->Vertex[dwCornerIndex].TexCoords[dwUVIndex].y = (float)Value.mData[1];
}
}
// Store vertex color set
if( dwVertexColorCount > 0 && pVertexColorSet )
{
// Crack apart the FBX dereferencing system for Color coordinates
FbxColor Value( 1, 1, 1, 1 );
switch( pVertexColorSet->GetMappingMode() )
{
case FbxLayerElement::eByControlPoint:
switch( pVertexColorSet->GetReferenceMode() )
{
case FbxLayerElement::eDirect:
Value = pVertexColorSet->GetDirectArray().GetAt( dwDCCIndex );
break;
case FbxLayerElement::eIndex:
case FbxLayerElement::eIndexToDirect:
{
int iColorIndex = pVertexColorSet->GetIndexArray().GetAt(dwDCCIndex);
Value = pVertexColorSet->GetDirectArray().GetAt(iColorIndex);
}
break;
}
break;
case FbxLayerElement::eByPolygonVertex:
switch( pVertexColorSet->GetReferenceMode() )
{
case FbxLayerElement::eDirect:
Value = pVertexColorSet->GetDirectArray().GetAt( basePolyIndex + iVertIndex[dwCornerIndex] );
break;
case FbxLayerElement::eIndex:
case FbxLayerElement::eIndexToDirect:
{
int iColorIndex = pVertexColorSet->GetIndexArray().GetAt( basePolyIndex + iVertIndex[dwCornerIndex] );
Value = pVertexColorSet->GetDirectArray().GetAt(iColorIndex);
}
break;
}
break;
}
// Store a single vertex color set
pTriangle->Vertex[dwCornerIndex].Color.x = (float)Value.mRed;
pTriangle->Vertex[dwCornerIndex].Color.y = (float)Value.mGreen;
pTriangle->Vertex[dwCornerIndex].Color.z = (float)Value.mBlue;
pTriangle->Vertex[dwCornerIndex].Color.w = (float)Value.mAlpha;
}
// Store skin weights
if( bSkinnedMesh )
{
memcpy( &pTriangle->Vertex[dwCornerIndex].BoneIndices, skindata.GetIndices( dwDCCIndex ), sizeof(PackedVector::XMUBYTE4) );
memcpy( &pTriangle->Vertex[dwCornerIndex].BoneWeights, skindata.GetWeights( dwDCCIndex ), sizeof(XMFLOAT4) );
}
}
// Add raw triangle to the mesh.
pMesh->AddRawTriangle( pTriangle );
}
basePolyIndex += dwPolySize;
}
if( bSubDProcess )
{
dwMeshOptimizationFlags |= ExportMesh::FORCE_SUBD_CONVERSION;
}
if ( g_pScene->Settings().bCleanMeshes )
{
dwMeshOptimizationFlags |= ExportMesh::CLEAN_MESHES;
}
if ( g_pScene->Settings().bOptimizeVCache )
{
dwMeshOptimizationFlags |= ExportMesh::CLEAN_MESHES | ExportMesh::VCACHE_OPT;
}
pMesh->Optimize( dwMeshOptimizationFlags );
ExportModel* pModel = new ExportModel( pMesh );
size_t dwMaterialCount = MaterialList.size();
if( !pMesh->GetSubDMesh() )
{
for( size_t dwSubset = 0; dwSubset < dwMaterialCount; ++dwSubset )
{
auto pMaterial = MaterialList[dwSubset];
auto pSubset = pMesh->GetSubset( dwSubset );
CHAR strUniqueSubsetName[100];
sprintf_s( strUniqueSubsetName, "subset%Iu_%s", dwSubset, pMaterial->GetName().SafeString() );
pSubset->SetName( strUniqueSubsetName );
pModel->SetSubsetBinding( pSubset->GetName(), pMaterial );
}
}
else
{
auto pSubDMesh = pMesh->GetSubDMesh();
size_t dwSubsetCount = pSubDMesh->GetSubsetCount();
for( size_t dwSubset = 0; dwSubset < dwSubsetCount; ++dwSubset )
{
auto pSubset = pSubDMesh->GetSubset( dwSubset );
assert( pSubset != nullptr );
assert( pSubset->iOriginalMeshSubset < static_cast<INT>( dwMaterialCount ) );
auto pMaterial = MaterialList[pSubset->iOriginalMeshSubset];
CHAR strUniqueSubsetName[100];
sprintf_s( strUniqueSubsetName, "subset%Iu_%s", dwSubset, pMaterial->GetName().SafeString() );
pSubset->Name = strUniqueSubsetName;
pModel->SetSubsetBinding( pSubset->Name, pMaterial, true );
}
}
if( bSubDProcess && ( dwNonConformingSubDPolys > 0 ) )
{
ExportLog::LogWarning( "Encountered %u polygons with 5 or more sides in mesh \"%s\", which were subdivided into quad and triangle patches. Mesh appearance may have been affected.", dwNonConformingSubDPolys, pMesh->GetName().SafeString() );
}
// update statistics
if( pMesh->GetSubDMesh() )
{
g_pScene->Statistics().SubDMeshesProcessed++;
g_pScene->Statistics().SubDQuadsProcessed += pMesh->GetSubDMesh()->GetQuadPatchCount();
g_pScene->Statistics().SubDTrisProcessed += pMesh->GetSubDMesh()->GetTrianglePatchCount();
}
else
{
g_pScene->Statistics().TrisExported += pMesh->GetIB()->GetIndexCount() / 3;
g_pScene->Statistics().VertsExported += pMesh->GetVB()->GetVertexCount();
g_pScene->Statistics().MeshesExported++;
}
pParentFrame->AddModel( pModel );
g_pScene->AddMesh( pMesh );
}
