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Merge pull request #1895 from assimp/issue_1894 

closes https://github.com/assimp/assimp/issues/1894: use mesh name to…
pull/1896/head^2
Kim Kulling 2018-04-11 20:26:53 +02:00 committed by GitHub
parent 6a0dc071a9 9ca32b2373
commit 2208a23410
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 30 additions and 32 deletions
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8
code/ObjExporter.cpp
View File

@ -439,8 +439,14 @@ void ObjExporter::AddMesh(const aiString& name, const aiMesh* m, const aiMatrix4
void ObjExporter::AddNode(const aiNode* nd, const aiMatrix4x4& mParent) {
const aiMatrix4x4& mAbs = mParent * nd->mTransformation;
aiMesh *cm( nullptr );
for(unsigned int i = 0; i < nd->mNumMeshes; ++i) {
AddMesh(nd->mName, pScene->mMeshes[nd->mMeshes[i]], mAbs);
cm = pScene->mMeshes[nd->mMeshes[i]];
if (nullptr != cm) {
AddMesh(cm->mName, pScene->mMeshes[nd->mMeshes[i]], mAbs);
} else {
AddMesh(nd->mName, pScene->mMeshes[nd->mMeshes[i]], mAbs);
}
}
for(unsigned int i = 0; i < nd->mNumChildren; ++i) {

54
code/OptimizeGraph.cpp
View File

@ -73,28 +73,28 @@ using namespace Assimp;
// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
OptimizeGraphProcess::OptimizeGraphProcess()
: mScene()
, nodes_in()
, nodes_out()
, count_merged()
{}
: mScene()
, nodes_in()
, nodes_out()
, count_merged() {
// empty
}
// ------------------------------------------------------------------------------------------------
// Destructor, private as well
OptimizeGraphProcess::~OptimizeGraphProcess()
{}
OptimizeGraphProcess::~OptimizeGraphProcess() {
// empty
}
// ------------------------------------------------------------------------------------------------
// Returns whether the processing step is present in the given flag field.
bool OptimizeGraphProcess::IsActive( unsigned int pFlags) const
{
bool OptimizeGraphProcess::IsActive( unsigned int pFlags) const {
return (0 != (pFlags & aiProcess_OptimizeGraph));
}
// ------------------------------------------------------------------------------------------------
// Setup properties for the postprocessing step
void OptimizeGraphProcess::SetupProperties(const Importer* pImp)
{
// Setup properties for the post-processing step
void OptimizeGraphProcess::SetupProperties(const Importer* pImp) {
// Get value of AI_CONFIG_PP_OG_EXCLUDE_LIST
std::string tmp = pImp->GetPropertyString(AI_CONFIG_PP_OG_EXCLUDE_LIST,"");
AddLockedNodeList(tmp);
@ -102,16 +102,14 @@ void OptimizeGraphProcess::SetupProperties(const Importer* pImp)
// ------------------------------------------------------------------------------------------------
// Collect new children
void OptimizeGraphProcess::CollectNewChildren(aiNode* nd, std::list<aiNode*>& nodes)
{
void OptimizeGraphProcess::CollectNewChildren(aiNode* nd, std::list<aiNode*>& nodes) {
nodes_in += nd->mNumChildren;
// Process children
std::list<aiNode*> child_nodes;
for (unsigned int i = 0; i < nd->mNumChildren; ++i) {
CollectNewChildren(nd->mChildren[i],child_nodes);
nd->mChildren[i] = NULL;
nd->mChildren[i] = nullptr;
}
// Check whether we need this node; if not we can replace it by our own children (warn, danger of incest).
@ -130,13 +128,11 @@ void OptimizeGraphProcess::CollectNewChildren(aiNode* nd, std::list<aiNode*>& no
if (nd->mNumMeshes || !child_nodes.empty()) {
nodes.push_back(nd);
}
else {
} else {
delete nd; /* bye, node */
return;
}
}
else {
} else {
// Retain our current position in the hierarchy
nodes.push_back(nd);
@ -160,14 +156,11 @@ void OptimizeGraphProcess::CollectNewChildren(aiNode* nd, std::list<aiNode*>& no
}
}
if (n == child->mNumMeshes) {
if (!join_master) {
join_master = child;
inv = join_master->mTransformation;
inv.Inverse();
}
else {
} else {
child->mTransformation = inv * child->mTransformation ;
join.push_back(child);
@ -227,9 +220,10 @@ void OptimizeGraphProcess::CollectNewChildren(aiNode* nd, std::list<aiNode*>& no
delete[] nd->mChildren;
if (!child_nodes.empty())
if (!child_nodes.empty()) {
nd->mChildren = new aiNode*[child_nodes.size()];
else nd->mChildren = NULL;
}
else nd->mChildren = nullptr;
}
nd->mNumChildren = static_cast<unsigned int>(child_nodes.size());
@ -246,9 +240,8 @@ void OptimizeGraphProcess::CollectNewChildren(aiNode* nd, std::list<aiNode*>& no
}
// ------------------------------------------------------------------------------------------------
// Execute the postprocessing step on the given scene
void OptimizeGraphProcess::Execute( aiScene* pScene)
{
// Execute the post-processing step on the given scene
void OptimizeGraphProcess::Execute( aiScene* pScene) {
DefaultLogger::get()->debug("OptimizeGraphProcess begin");
nodes_in = nodes_out = count_merged = 0;
mScene = pScene;
@ -268,7 +261,6 @@ void OptimizeGraphProcess::Execute( aiScene* pScene)
for (unsigned int i = 0; i < pScene->mNumAnimations; ++i) {
for (unsigned int a = 0; a < pScene->mAnimations[i]->mNumChannels; ++a) {
aiNodeAnim* anim = pScene->mAnimations[i]->mChannels[a];
locked.insert(AI_OG_GETKEY(anim->mNodeName));
}
@ -349,7 +341,7 @@ void OptimizeGraphProcess::Execute( aiScene* pScene)
}
// ------------------------------------------------------------------------------------------------
// Buidl a LUT of all instanced meshes
// Build a LUT of all instanced meshes
void OptimizeGraphProcess::FindInstancedMeshes (aiNode* pNode)
{
for (unsigned int i = 0; i < pNode->mNumMeshes;++i) {