ObjImporter: remove unnecessary allocations of std::vector in obj-specific

face.
This commit is contained in:
Kim Kulling
2016-11-09 20:09:45 +01:00
parent d4223d1fce
commit ae956044aa
4 changed files with 91 additions and 125 deletions

View File

@@ -326,14 +326,14 @@ aiMesh *ObjFileImporter::createTopology( const ObjFile::Model* pModel, const Obj
ai_assert( NULL != inp );
if (inp->m_PrimitiveType == aiPrimitiveType_LINE) {
pMesh->mNumFaces += inp->m_pVertices->size() - 1;
pMesh->mNumFaces += inp->m_vertices.size() - 1;
pMesh->mPrimitiveTypes |= aiPrimitiveType_LINE;
} else if (inp->m_PrimitiveType == aiPrimitiveType_POINT) {
pMesh->mNumFaces += inp->m_pVertices->size();
pMesh->mNumFaces += inp->m_vertices.size();
pMesh->mPrimitiveTypes |= aiPrimitiveType_POINT;
} else {
++pMesh->mNumFaces;
if (inp->m_pVertices->size() > 3) {
if (inp->m_vertices.size() > 3) {
pMesh->mPrimitiveTypes |= aiPrimitiveType_POLYGON;
} else {
pMesh->mPrimitiveTypes |= aiPrimitiveType_TRIANGLE;
@@ -354,7 +354,7 @@ aiMesh *ObjFileImporter::createTopology( const ObjFile::Model* pModel, const Obj
for (size_t index = 0; index < pObjMesh->m_Faces.size(); index++) {
ObjFile::Face* const inp = pObjMesh->m_Faces[ index ];
if (inp->m_PrimitiveType == aiPrimitiveType_LINE) {
for(size_t i = 0; i < inp->m_pVertices->size() - 1; ++i) {
for(size_t i = 0; i < inp->m_vertices.size() - 1; ++i) {
aiFace& f = pMesh->mFaces[ outIndex++ ];
uiIdxCount += f.mNumIndices = 2;
f.mIndices = new unsigned int[2];
@@ -362,7 +362,7 @@ aiMesh *ObjFileImporter::createTopology( const ObjFile::Model* pModel, const Obj
continue;
}
else if (inp->m_PrimitiveType == aiPrimitiveType_POINT) {
for(size_t i = 0; i < inp->m_pVertices->size(); ++i) {
for(size_t i = 0; i < inp->m_vertices.size(); ++i) {
aiFace& f = pMesh->mFaces[ outIndex++ ];
uiIdxCount += f.mNumIndices = 1;
f.mIndices = new unsigned int[1];
@@ -371,7 +371,7 @@ aiMesh *ObjFileImporter::createTopology( const ObjFile::Model* pModel, const Obj
}
aiFace *pFace = &pMesh->mFaces[ outIndex++ ];
const unsigned int uiNumIndices = (unsigned int) pObjMesh->m_Faces[ index ]->m_pVertices->size();
const unsigned int uiNumIndices = (unsigned int) pObjMesh->m_Faces[ index ]->m_vertices.size();
uiIdxCount += pFace->mNumIndices = (unsigned int) uiNumIndices;
if (pFace->mNumIndices > 0) {
pFace->mIndices = new unsigned int[ uiNumIndices ];
@@ -436,8 +436,8 @@ void ObjFileImporter::createVertexArray(const ObjFile::Model* pModel,
ObjFile::Face *pSourceFace = pObjMesh->m_Faces[ index ];
// Copy all index arrays
for ( size_t vertexIndex = 0, outVertexIndex = 0; vertexIndex < pSourceFace->m_pVertices->size(); vertexIndex++ ) {
const unsigned int vertex = pSourceFace->m_pVertices->at( vertexIndex );
for ( size_t vertexIndex = 0, outVertexIndex = 0; vertexIndex < pSourceFace->m_vertices.size(); vertexIndex++ ) {
const unsigned int vertex = pSourceFace->m_vertices.at( vertexIndex );
if ( vertex >= pModel->m_Vertices.size() ) {
throw DeadlyImportError( "OBJ: vertex index out of range" );
}
@@ -445,8 +445,8 @@ void ObjFileImporter::createVertexArray(const ObjFile::Model* pModel,
pMesh->mVertices[ newIndex ] = pModel->m_Vertices[ vertex ];
// Copy all normals
if ( !pModel->m_Normals.empty() && vertexIndex < pSourceFace->m_pNormals->size()) {
const unsigned int normal = pSourceFace->m_pNormals->at( vertexIndex );
if ( !pModel->m_Normals.empty() && vertexIndex < pSourceFace->m_normals.size()) {
const unsigned int normal = pSourceFace->m_normals.at( vertexIndex );
if ( normal >= pModel->m_Normals.size() ) {
throw DeadlyImportError( "OBJ: vertex normal index out of range" );
}
@@ -461,9 +461,9 @@ void ObjFileImporter::createVertexArray(const ObjFile::Model* pModel,
}
// Copy all texture coordinates
if ( !pModel->m_TextureCoord.empty() && vertexIndex < pSourceFace->m_pTexturCoords->size())
if ( !pModel->m_TextureCoord.empty() && vertexIndex < pSourceFace->m_texturCoords.size())
{
const unsigned int tex = pSourceFace->m_pTexturCoords->at( vertexIndex );
const unsigned int tex = pSourceFace->m_texturCoords.at( vertexIndex );
ai_assert( tex < pModel->m_TextureCoord.size() );
if ( tex >= pModel->m_TextureCoord.size() )
@@ -480,7 +480,7 @@ void ObjFileImporter::createVertexArray(const ObjFile::Model* pModel,
// Get destination face
aiFace *pDestFace = &pMesh->mFaces[ outIndex ];
const bool last = ( vertexIndex == pSourceFace->m_pVertices->size() - 1 );
const bool last = ( vertexIndex == pSourceFace->m_vertices.size() - 1 );
if (pSourceFace->m_PrimitiveType != aiPrimitiveType_LINE || !last) {
pDestFace->mIndices[ outVertexIndex ] = newIndex;
outVertexIndex++;
@@ -498,7 +498,7 @@ void ObjFileImporter::createVertexArray(const ObjFile::Model* pModel,
if (vertexIndex) {
if(!last) {
pMesh->mVertices[ newIndex+1 ] = pMesh->mVertices[ newIndex ];
if ( !pSourceFace->m_pNormals->empty() && !pModel->m_Normals.empty()) {
if ( !pSourceFace->m_normals.empty() && !pModel->m_Normals.empty()) {
pMesh->mNormals[ newIndex+1 ] = pMesh->mNormals[newIndex ];
}
if ( !pModel->m_TextureCoord.empty() ) {