Merge branch 'fix_export_custom_bindpose_error' of https://github.com/thomasbiang/assimp into fix_export_custom_bindpose_error

pull/2543/head
ywang 2019-07-15 15:50:36 -07:00
commit 2bffdc7e08
4 changed files with 104 additions and 138 deletions

View File

@ -331,7 +331,7 @@ ADD_ASSIMP_EXPORTER( ASSBIN
Assbin/AssbinExporter.cpp Assbin/AssbinExporter.cpp
) )
ADD_ASSIMP_IMPORTER( ASSXML ADD_ASSIMP_EXPORTER( ASSXML
Assxml/AssxmlExporter.h Assxml/AssxmlExporter.h
Assxml/AssxmlExporter.cpp Assxml/AssxmlExporter.cpp
) )

View File

@ -65,6 +65,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "math.h" #include "math.h"
#include <algorithm> #include <algorithm>
#include <numeric> #include <numeric>
#include <memory>
using namespace Assimp; using namespace Assimp;
using namespace Assimp::Formatter; using namespace Assimp::Formatter;
@ -126,7 +127,7 @@ bool ColladaLoader::CanRead( const std::string& pFile, IOSystem* pIOHandler, boo
if (!pIOHandler) { if (!pIOHandler) {
return true; return true;
} }
const char* tokens[] = {"<collada"}; static const char* tokens[] = {"<collada"};
return SearchFileHeaderForToken(pIOHandler,pFile,tokens,1); return SearchFileHeaderForToken(pIOHandler,pFile,tokens,1);
} }
@ -134,8 +135,7 @@ bool ColladaLoader::CanRead( const std::string& pFile, IOSystem* pIOHandler, boo
} }
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
void ColladaLoader::SetupProperties(const Importer* pImp) void ColladaLoader::SetupProperties(const Importer* pImp) {
{
noSkeletonMesh = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_NO_SKELETON_MESHES,0) != 0; noSkeletonMesh = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_NO_SKELETON_MESHES,0) != 0;
ignoreUpDirection = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_IGNORE_UP_DIRECTION,0) != 0; ignoreUpDirection = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_IGNORE_UP_DIRECTION,0) != 0;
useColladaName = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_USE_COLLADA_NAMES,0) != 0; useColladaName = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_COLLADA_USE_COLLADA_NAMES,0) != 0;
@ -143,8 +143,7 @@ void ColladaLoader::SetupProperties(const Importer* pImp)
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
// Get file extension list // Get file extension list
const aiImporterDesc* ColladaLoader::GetInfo () const const aiImporterDesc* ColladaLoader::GetInfo () const {
{
return &desc; return &desc;
} }
@ -246,8 +245,7 @@ void ColladaLoader::InternReadFile( const std::string& pFile, aiScene* pScene, I
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
// Recursively constructs a scene node for the given parser node and returns it. // Recursively constructs a scene node for the given parser node and returns it.
aiNode* ColladaLoader::BuildHierarchy( const ColladaParser& pParser, const Collada::Node* pNode) aiNode* ColladaLoader::BuildHierarchy( const ColladaParser& pParser, const Collada::Node* pNode) {
{
// create a node for it // create a node for it
aiNode* node = new aiNode(); aiNode* node = new aiNode();
@ -265,15 +263,13 @@ aiNode* ColladaLoader::BuildHierarchy( const ColladaParser& pParser, const Colla
node->mNumChildren = static_cast<unsigned int>(pNode->mChildren.size()+instances.size()); node->mNumChildren = static_cast<unsigned int>(pNode->mChildren.size()+instances.size());
node->mChildren = new aiNode*[node->mNumChildren]; node->mChildren = new aiNode*[node->mNumChildren];
for( size_t a = 0; a < pNode->mChildren.size(); a++) for( size_t a = 0; a < pNode->mChildren.size(); ++a) {
{
node->mChildren[a] = BuildHierarchy( pParser, pNode->mChildren[a]); node->mChildren[a] = BuildHierarchy( pParser, pNode->mChildren[a]);
node->mChildren[a]->mParent = node; node->mChildren[a]->mParent = node;
} }
// ... and finally the resolved node instances // ... and finally the resolved node instances
for( size_t a = 0; a < instances.size(); a++) for( size_t a = 0; a < instances.size(); ++a) {
{
node->mChildren[pNode->mChildren.size() + a] = BuildHierarchy( pParser, instances[a]); node->mChildren[pNode->mChildren.size() + a] = BuildHierarchy( pParser, instances[a]);
node->mChildren[pNode->mChildren.size() + a]->mParent = node; node->mChildren[pNode->mChildren.size() + a]->mParent = node;
} }
@ -286,20 +282,19 @@ aiNode* ColladaLoader::BuildHierarchy( const ColladaParser& pParser, const Colla
// construct lights // construct lights
BuildLightsForNode(pParser, pNode, node); BuildLightsForNode(pParser, pNode, node);
return node; return node;
} }
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
// Resolve node instances // Resolve node instances
void ColladaLoader::ResolveNodeInstances( const ColladaParser& pParser, const Collada::Node* pNode, void ColladaLoader::ResolveNodeInstances( const ColladaParser& pParser, const Collada::Node* pNode,
std::vector<const Collada::Node*>& resolved) std::vector<const Collada::Node*>& resolved) {
{
// reserve enough storage // reserve enough storage
resolved.reserve(pNode->mNodeInstances.size()); resolved.reserve(pNode->mNodeInstances.size());
// ... and iterate through all nodes to be instanced as children of pNode // ... and iterate through all nodes to be instanced as children of pNode
for (const auto &nodeInst: pNode->mNodeInstances) for (const auto &nodeInst: pNode->mNodeInstances) {
{
// find the corresponding node in the library // find the corresponding node in the library
const ColladaParser::NodeLibrary::const_iterator itt = pParser.mNodeLibrary.find(nodeInst.mNode); const ColladaParser::NodeLibrary::const_iterator itt = pParser.mNodeLibrary.find(nodeInst.mNode);
const Collada::Node* nd = itt == pParser.mNodeLibrary.end() ? NULL : (*itt).second; const Collada::Node* nd = itt == pParser.mNodeLibrary.end() ? NULL : (*itt).second;
@ -323,12 +318,12 @@ void ColladaLoader::ResolveNodeInstances( const ColladaParser& pParser, const Co
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
// Resolve UV channels // Resolve UV channels
void ColladaLoader::ApplyVertexToEffectSemanticMapping(Collada::Sampler& sampler, void ColladaLoader::ApplyVertexToEffectSemanticMapping(Collada::Sampler& sampler,
const Collada::SemanticMappingTable& table) const Collada::SemanticMappingTable& table) {
{
std::map<std::string, Collada::InputSemanticMapEntry>::const_iterator it = table.mMap.find(sampler.mUVChannel); std::map<std::string, Collada::InputSemanticMapEntry>::const_iterator it = table.mMap.find(sampler.mUVChannel);
if (it != table.mMap.end()) { if (it != table.mMap.end()) {
if (it->second.mType != Collada::IT_Texcoord) if (it->second.mType != Collada::IT_Texcoord) {
ASSIMP_LOG_ERROR("Collada: Unexpected effect input mapping"); ASSIMP_LOG_ERROR("Collada: Unexpected effect input mapping");
}
sampler.mUVId = it->second.mSet; sampler.mUVId = it->second.mSet;
} }
@ -336,14 +331,11 @@ void ColladaLoader::ApplyVertexToEffectSemanticMapping(Collada::Sampler& sampler
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
// Builds lights for the given node and references them // Builds lights for the given node and references them
void ColladaLoader::BuildLightsForNode( const ColladaParser& pParser, const Collada::Node* pNode, aiNode* pTarget) void ColladaLoader::BuildLightsForNode( const ColladaParser& pParser, const Collada::Node* pNode, aiNode* pTarget) {
{ for( const Collada::LightInstance& lid : pNode->mLights) {
for( const Collada::LightInstance& lid : pNode->mLights)
{
// find the referred light // find the referred light
ColladaParser::LightLibrary::const_iterator srcLightIt = pParser.mLightLibrary.find( lid.mLight); ColladaParser::LightLibrary::const_iterator srcLightIt = pParser.mLightLibrary.find( lid.mLight);
if( srcLightIt == pParser.mLightLibrary.end()) if( srcLightIt == pParser.mLightLibrary.end()) {
{
ASSIMP_LOG_WARN_F("Collada: Unable to find light for ID \"" , lid.mLight , "\". Skipping."); ASSIMP_LOG_WARN_F("Collada: Unable to find light for ID \"" , lid.mLight , "\". Skipping.");
continue; continue;
} }
@ -365,8 +357,7 @@ void ColladaLoader::BuildLightsForNode( const ColladaParser& pParser, const Coll
if (out->mType == aiLightSource_AMBIENT) { if (out->mType == aiLightSource_AMBIENT) {
out->mColorDiffuse = out->mColorSpecular = aiColor3D(0, 0, 0); out->mColorDiffuse = out->mColorSpecular = aiColor3D(0, 0, 0);
out->mColorAmbient = srcLight->mColor*srcLight->mIntensity; out->mColorAmbient = srcLight->mColor*srcLight->mIntensity;
} } else {
else {
// collada doesn't differentiate between these color types // collada doesn't differentiate between these color types
out->mColorDiffuse = out->mColorSpecular = srcLight->mColor*srcLight->mIntensity; out->mColorDiffuse = out->mColorSpecular = srcLight->mColor*srcLight->mIntensity;
out->mColorAmbient = aiColor3D(0, 0, 0); out->mColorAmbient = aiColor3D(0, 0, 0);
@ -374,27 +365,24 @@ void ColladaLoader::BuildLightsForNode( const ColladaParser& pParser, const Coll
// convert falloff angle and falloff exponent in our representation, if given // convert falloff angle and falloff exponent in our representation, if given
if (out->mType == aiLightSource_SPOT) { if (out->mType == aiLightSource_SPOT) {
out->mAngleInnerCone = AI_DEG_TO_RAD( srcLight->mFalloffAngle ); out->mAngleInnerCone = AI_DEG_TO_RAD( srcLight->mFalloffAngle );
// ... some extension magic. // ... some extension magic.
if (srcLight->mOuterAngle >= ASSIMP_COLLADA_LIGHT_ANGLE_NOT_SET*(1-1e-6f)) if (srcLight->mOuterAngle >= ASSIMP_COLLADA_LIGHT_ANGLE_NOT_SET*(1-1e-6f)) {
{
// ... some deprecation magic. // ... some deprecation magic.
if (srcLight->mPenumbraAngle >= ASSIMP_COLLADA_LIGHT_ANGLE_NOT_SET*(1-1e-6f)) if (srcLight->mPenumbraAngle >= ASSIMP_COLLADA_LIGHT_ANGLE_NOT_SET*(1-1e-6f)) {
{
// Need to rely on falloff_exponent. I don't know how to interpret it, so I need to guess .... // Need to rely on falloff_exponent. I don't know how to interpret it, so I need to guess ....
// epsilon chosen to be 0.1 // epsilon chosen to be 0.1
out->mAngleOuterCone = std::acos(std::pow(0.1f,1.f/srcLight->mFalloffExponent))+ out->mAngleOuterCone = std::acos(std::pow(0.1f,1.f/srcLight->mFalloffExponent))+
out->mAngleInnerCone; out->mAngleInnerCone;
} } else {
else {
out->mAngleOuterCone = out->mAngleInnerCone + AI_DEG_TO_RAD( srcLight->mPenumbraAngle ); out->mAngleOuterCone = out->mAngleInnerCone + AI_DEG_TO_RAD( srcLight->mPenumbraAngle );
if (out->mAngleOuterCone < out->mAngleInnerCone) if (out->mAngleOuterCone < out->mAngleInnerCone)
std::swap(out->mAngleInnerCone,out->mAngleOuterCone); std::swap(out->mAngleInnerCone,out->mAngleOuterCone);
} }
} else {
out->mAngleOuterCone = AI_DEG_TO_RAD( srcLight->mOuterAngle );
} }
else out->mAngleOuterCone = AI_DEG_TO_RAD( srcLight->mOuterAngle );
} }
// add to light list // add to light list
@ -404,14 +392,11 @@ void ColladaLoader::BuildLightsForNode( const ColladaParser& pParser, const Coll
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
// Builds cameras for the given node and references them // Builds cameras for the given node and references them
void ColladaLoader::BuildCamerasForNode( const ColladaParser& pParser, const Collada::Node* pNode, aiNode* pTarget) void ColladaLoader::BuildCamerasForNode( const ColladaParser& pParser, const Collada::Node* pNode, aiNode* pTarget) {
{ for( const Collada::CameraInstance& cid : pNode->mCameras) {
for( const Collada::CameraInstance& cid : pNode->mCameras)
{
// find the referred light // find the referred light
ColladaParser::CameraLibrary::const_iterator srcCameraIt = pParser.mCameraLibrary.find( cid.mCamera); ColladaParser::CameraLibrary::const_iterator srcCameraIt = pParser.mCameraLibrary.find( cid.mCamera);
if( srcCameraIt == pParser.mCameraLibrary.end()) if( srcCameraIt == pParser.mCameraLibrary.end()) {
{
ASSIMP_LOG_WARN_F("Collada: Unable to find camera for ID \"" , cid.mCamera , "\". Skipping."); ASSIMP_LOG_WARN_F("Collada: Unable to find camera for ID \"" , cid.mCamera , "\". Skipping.");
continue; continue;
} }
@ -435,8 +420,9 @@ void ColladaLoader::BuildCamerasForNode( const ColladaParser& pParser, const Col
// ... but for the rest some values are optional // ... but for the rest some values are optional
// and we need to compute the others in any combination. // and we need to compute the others in any combination.
if (srcCamera->mAspect != 10e10f) if (srcCamera->mAspect != 10e10f) {
out->mAspect = srcCamera->mAspect; out->mAspect = srcCamera->mAspect;
}
if (srcCamera->mHorFov != 10e10f) { if (srcCamera->mHorFov != 10e10f) {
out->mHorizontalFOV = srcCamera->mHorFov; out->mHorizontalFOV = srcCamera->mHorFov;
@ -461,77 +447,69 @@ void ColladaLoader::BuildCamerasForNode( const ColladaParser& pParser, const Col
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
// Builds meshes for the given node and references them // Builds meshes for the given node and references them
void ColladaLoader::BuildMeshesForNode( const ColladaParser& pParser, const Collada::Node* pNode, aiNode* pTarget) void ColladaLoader::BuildMeshesForNode( const ColladaParser& pParser, const Collada::Node* pNode, aiNode* pTarget) {
{
// accumulated mesh references by this node // accumulated mesh references by this node
std::vector<size_t> newMeshRefs; std::vector<size_t> newMeshRefs;
newMeshRefs.reserve(pNode->mMeshes.size()); newMeshRefs.reserve(pNode->mMeshes.size());
// add a mesh for each subgroup in each collada mesh // add a mesh for each subgroup in each collada mesh
for( const Collada::MeshInstance& mid : pNode->mMeshes) for( const Collada::MeshInstance& mid : pNode->mMeshes) {
{ const Collada::Mesh* srcMesh = nullptr;
const Collada::Mesh* srcMesh = NULL; const Collada::Controller* srcController = nullptr;
const Collada::Controller* srcController = NULL;
// find the referred mesh // find the referred mesh
ColladaParser::MeshLibrary::const_iterator srcMeshIt = pParser.mMeshLibrary.find( mid.mMeshOrController); ColladaParser::MeshLibrary::const_iterator srcMeshIt = pParser.mMeshLibrary.find( mid.mMeshOrController);
if( srcMeshIt == pParser.mMeshLibrary.end()) if( srcMeshIt == pParser.mMeshLibrary.end()) {
{
// if not found in the mesh-library, it might also be a controller referring to a mesh // if not found in the mesh-library, it might also be a controller referring to a mesh
ColladaParser::ControllerLibrary::const_iterator srcContrIt = pParser.mControllerLibrary.find( mid.mMeshOrController); ColladaParser::ControllerLibrary::const_iterator srcContrIt = pParser.mControllerLibrary.find( mid.mMeshOrController);
if( srcContrIt != pParser.mControllerLibrary.end()) if( srcContrIt != pParser.mControllerLibrary.end()) {
{
srcController = &srcContrIt->second; srcController = &srcContrIt->second;
srcMeshIt = pParser.mMeshLibrary.find( srcController->mMeshId); srcMeshIt = pParser.mMeshLibrary.find( srcController->mMeshId);
if( srcMeshIt != pParser.mMeshLibrary.end()) if( srcMeshIt != pParser.mMeshLibrary.end()) {
srcMesh = srcMeshIt->second; srcMesh = srcMeshIt->second;
}
} }
if( !srcMesh) if( !srcMesh) {
{
ASSIMP_LOG_WARN_F( "Collada: Unable to find geometry for ID \"", mid.mMeshOrController, "\". Skipping." ); ASSIMP_LOG_WARN_F( "Collada: Unable to find geometry for ID \"", mid.mMeshOrController, "\". Skipping." );
continue; continue;
} }
} else } else {
{
// ID found in the mesh library -> direct reference to an unskinned mesh // ID found in the mesh library -> direct reference to an unskinned mesh
srcMesh = srcMeshIt->second; srcMesh = srcMeshIt->second;
} }
// build a mesh for each of its subgroups // build a mesh for each of its subgroups
size_t vertexStart = 0, faceStart = 0; size_t vertexStart = 0, faceStart = 0;
for( size_t sm = 0; sm < srcMesh->mSubMeshes.size(); ++sm) for( size_t sm = 0; sm < srcMesh->mSubMeshes.size(); ++sm) {
{
const Collada::SubMesh& submesh = srcMesh->mSubMeshes[sm]; const Collada::SubMesh& submesh = srcMesh->mSubMeshes[sm];
if( submesh.mNumFaces == 0) if( submesh.mNumFaces == 0) {
continue; continue;
}
// find material assigned to this submesh // find material assigned to this submesh
std::string meshMaterial; std::string meshMaterial;
std::map<std::string, Collada::SemanticMappingTable >::const_iterator meshMatIt = mid.mMaterials.find( submesh.mMaterial); std::map<std::string, Collada::SemanticMappingTable >::const_iterator meshMatIt = mid.mMaterials.find( submesh.mMaterial);
const Collada::SemanticMappingTable* table = NULL; const Collada::SemanticMappingTable* table = nullptr;
if( meshMatIt != mid.mMaterials.end()) if( meshMatIt != mid.mMaterials.end()) {
{
table = &meshMatIt->second; table = &meshMatIt->second;
meshMaterial = table->mMatName; meshMaterial = table->mMatName;
} } else {
else
{
ASSIMP_LOG_WARN_F( "Collada: No material specified for subgroup <", submesh.mMaterial, "> in geometry <", ASSIMP_LOG_WARN_F( "Collada: No material specified for subgroup <", submesh.mMaterial, "> in geometry <",
mid.mMeshOrController, ">." ); mid.mMeshOrController, ">." );
if( !mid.mMaterials.empty() ) if( !mid.mMaterials.empty() ) {
meshMaterial = mid.mMaterials.begin()->second.mMatName; meshMaterial = mid.mMaterials.begin()->second.mMatName;
}
} }
// OK ... here the *real* fun starts ... we have the vertex-input-to-effect-semantic-table // OK ... here the *real* fun starts ... we have the vertex-input-to-effect-semantic-table
// given. The only mapping stuff which we do actually support is the UV channel. // given. The only mapping stuff which we do actually support is the UV channel.
std::map<std::string, size_t>::const_iterator matIt = mMaterialIndexByName.find( meshMaterial); std::map<std::string, size_t>::const_iterator matIt = mMaterialIndexByName.find( meshMaterial);
unsigned int matIdx; unsigned int matIdx = 0;
if( matIt != mMaterialIndexByName.end()) if( matIt != mMaterialIndexByName.end()) {
matIdx = static_cast<unsigned int>(matIt->second); matIdx = static_cast<unsigned int>(matIt->second);
else }
matIdx = 0;
if (table && !table->mMap.empty() ) { if (table && !table->mMap.empty() ) {
std::pair<Collada::Effect*, aiMaterial*>& mat = newMats[matIdx]; std::pair<Collada::Effect*, aiMaterial*>& mat = newMats[matIdx];
@ -553,9 +531,7 @@ void ColladaLoader::BuildMeshesForNode( const ColladaParser& pParser, const Coll
std::map<ColladaMeshIndex, size_t>::const_iterator dstMeshIt = mMeshIndexByID.find( index); std::map<ColladaMeshIndex, size_t>::const_iterator dstMeshIt = mMeshIndexByID.find( index);
if( dstMeshIt != mMeshIndexByID.end()) { if( dstMeshIt != mMeshIndexByID.end()) {
newMeshRefs.push_back( dstMeshIt->second); newMeshRefs.push_back( dstMeshIt->second);
} } else {
else
{
// else we have to add the mesh to the collection and store its newly assigned index at the node // else we have to add the mesh to the collection and store its newly assigned index at the node
aiMesh* dstMesh = CreateMesh( pParser, srcMesh, submesh, srcController, vertexStart, faceStart); aiMesh* dstMesh = CreateMesh( pParser, srcMesh, submesh, srcController, vertexStart, faceStart);
@ -567,22 +543,18 @@ void ColladaLoader::BuildMeshesForNode( const ColladaParser& pParser, const Coll
// assign the material index // assign the material index
dstMesh->mMaterialIndex = matIdx; dstMesh->mMaterialIndex = matIdx;
if(dstMesh->mName.length == 0) if(dstMesh->mName.length == 0) {
{
dstMesh->mName = mid.mMeshOrController; dstMesh->mName = mid.mMeshOrController;
} }
} }
} }
} }
// now place all mesh references we gathered in the target node // now place all mesh references we gathered in the target node
pTarget->mNumMeshes = static_cast<unsigned int>(newMeshRefs.size()); pTarget->mNumMeshes = static_cast<unsigned int>(newMeshRefs.size());
if( newMeshRefs.size()) if( newMeshRefs.size()) {
{ struct UIntTypeConverter {
struct UIntTypeConverter unsigned int operator()(const size_t& v) const {
{
unsigned int operator()(const size_t& v) const
{
return static_cast<unsigned int>(v); return static_cast<unsigned int>(v);
} }
}; };
@ -594,25 +566,27 @@ void ColladaLoader::BuildMeshesForNode( const ColladaParser& pParser, const Coll
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
// Find mesh from either meshes or morph target meshes // Find mesh from either meshes or morph target meshes
aiMesh *ColladaLoader::findMesh(std::string meshid) aiMesh *ColladaLoader::findMesh(std::string meshid) {
{ for (unsigned int i = 0; i < mMeshes.size(); ++i ) {
for (unsigned int i = 0; i < mMeshes.size(); i++) if (std::string(mMeshes[i]->mName.data) == meshid) {
if (std::string(mMeshes[i]->mName.data) == meshid)
return mMeshes[i]; return mMeshes[i];
}
}
for (unsigned int i = 0; i < mTargetMeshes.size(); i++) for (unsigned int i = 0; i < mTargetMeshes.size(); ++i ) {
if (std::string(mTargetMeshes[i]->mName.data) == meshid) if (std::string(mTargetMeshes[i]->mName.data) == meshid) {
return mTargetMeshes[i]; return mTargetMeshes[i];
}
return NULL; }
return nullptr;
} }
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
// Creates a mesh for the given ColladaMesh face subset and returns the newly created mesh // Creates a mesh for the given ColladaMesh face subset and returns the newly created mesh
aiMesh* ColladaLoader::CreateMesh( const ColladaParser& pParser, const Collada::Mesh* pSrcMesh, const Collada::SubMesh& pSubMesh, aiMesh* ColladaLoader::CreateMesh( const ColladaParser& pParser, const Collada::Mesh* pSrcMesh, const Collada::SubMesh& pSubMesh,
const Collada::Controller* pSrcController, size_t pStartVertex, size_t pStartFace) const Collada::Controller* pSrcController, size_t pStartVertex, size_t pStartFace) {
{ std::unique_ptr<aiMesh> dstMesh(new aiMesh);
aiMesh* dstMesh = new aiMesh;
dstMesh->mName = pSrcMesh->mName; dstMesh->mName = pSrcMesh->mName;
@ -629,24 +603,21 @@ aiMesh* ColladaLoader::CreateMesh( const ColladaParser& pParser, const Collada::
// normals, if given. HACK: (thom) Due to the glorious Collada spec we never // normals, if given. HACK: (thom) Due to the glorious Collada spec we never
// know if we have the same number of normals as there are positions. So we // know if we have the same number of normals as there are positions. So we
// also ignore any vertex attribute if it has a different count // also ignore any vertex attribute if it has a different count
if( pSrcMesh->mNormals.size() >= pStartVertex + numVertices) if( pSrcMesh->mNormals.size() >= pStartVertex + numVertices) {
{
dstMesh->mNormals = new aiVector3D[numVertices]; dstMesh->mNormals = new aiVector3D[numVertices];
std::copy( pSrcMesh->mNormals.begin() + pStartVertex, pSrcMesh->mNormals.begin() + std::copy( pSrcMesh->mNormals.begin() + pStartVertex, pSrcMesh->mNormals.begin() +
pStartVertex + numVertices, dstMesh->mNormals); pStartVertex + numVertices, dstMesh->mNormals);
} }
// tangents, if given. // tangents, if given.
if( pSrcMesh->mTangents.size() >= pStartVertex + numVertices) if( pSrcMesh->mTangents.size() >= pStartVertex + numVertices) {
{
dstMesh->mTangents = new aiVector3D[numVertices]; dstMesh->mTangents = new aiVector3D[numVertices];
std::copy( pSrcMesh->mTangents.begin() + pStartVertex, pSrcMesh->mTangents.begin() + std::copy( pSrcMesh->mTangents.begin() + pStartVertex, pSrcMesh->mTangents.begin() +
pStartVertex + numVertices, dstMesh->mTangents); pStartVertex + numVertices, dstMesh->mTangents);
} }
// bitangents, if given. // bitangents, if given.
if( pSrcMesh->mBitangents.size() >= pStartVertex + numVertices) if( pSrcMesh->mBitangents.size() >= pStartVertex + numVertices) {
{
dstMesh->mBitangents = new aiVector3D[numVertices]; dstMesh->mBitangents = new aiVector3D[numVertices];
std::copy( pSrcMesh->mBitangents.begin() + pStartVertex, pSrcMesh->mBitangents.begin() + std::copy( pSrcMesh->mBitangents.begin() + pStartVertex, pSrcMesh->mBitangents.begin() +
pStartVertex + numVertices, dstMesh->mBitangents); pStartVertex + numVertices, dstMesh->mBitangents);
@ -654,13 +625,12 @@ aiMesh* ColladaLoader::CreateMesh( const ColladaParser& pParser, const Collada::
// same for texturecoords, as many as we have // same for texturecoords, as many as we have
// empty slots are not allowed, need to pack and adjust UV indexes accordingly // empty slots are not allowed, need to pack and adjust UV indexes accordingly
for( size_t a = 0, real = 0; a < AI_MAX_NUMBER_OF_TEXTURECOORDS; a++) for( size_t a = 0, real = 0; a < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++a ) {
{ if( pSrcMesh->mTexCoords[a].size() >= pStartVertex + numVertices) {
if( pSrcMesh->mTexCoords[a].size() >= pStartVertex + numVertices)
{
dstMesh->mTextureCoords[real] = new aiVector3D[numVertices]; dstMesh->mTextureCoords[real] = new aiVector3D[numVertices];
for( size_t b = 0; b < numVertices; ++b) for( size_t b = 0; b < numVertices; ++b) {
dstMesh->mTextureCoords[real][b] = pSrcMesh->mTexCoords[a][pStartVertex+b]; dstMesh->mTextureCoords[real][b] = pSrcMesh->mTexCoords[a][pStartVertex+b];
}
dstMesh->mNumUVComponents[real] = pSrcMesh->mNumUVComponents[a]; dstMesh->mNumUVComponents[real] = pSrcMesh->mNumUVComponents[a];
++real; ++real;
@ -668,10 +638,8 @@ aiMesh* ColladaLoader::CreateMesh( const ColladaParser& pParser, const Collada::
} }
// same for vertex colors, as many as we have. again the same packing to avoid empty slots // same for vertex colors, as many as we have. again the same packing to avoid empty slots
for( size_t a = 0, real = 0; a < AI_MAX_NUMBER_OF_COLOR_SETS; a++) for( size_t a = 0, real = 0; a < AI_MAX_NUMBER_OF_COLOR_SETS; ++a ) {
{ if( pSrcMesh->mColors[a].size() >= pStartVertex + numVertices) {
if( pSrcMesh->mColors[a].size() >= pStartVertex + numVertices)
{
dstMesh->mColors[real] = new aiColor4D[numVertices]; dstMesh->mColors[real] = new aiColor4D[numVertices];
std::copy( pSrcMesh->mColors[a].begin() + pStartVertex, pSrcMesh->mColors[a].begin() + pStartVertex + numVertices,dstMesh->mColors[real]); std::copy( pSrcMesh->mColors[a].begin() + pStartVertex, pSrcMesh->mColors[a].begin() + pStartVertex + numVertices,dstMesh->mColors[real]);
++real; ++real;
@ -682,14 +650,14 @@ aiMesh* ColladaLoader::CreateMesh( const ColladaParser& pParser, const Collada::
size_t vertex = 0; size_t vertex = 0;
dstMesh->mNumFaces = static_cast<unsigned int>(pSubMesh.mNumFaces); dstMesh->mNumFaces = static_cast<unsigned int>(pSubMesh.mNumFaces);
dstMesh->mFaces = new aiFace[dstMesh->mNumFaces]; dstMesh->mFaces = new aiFace[dstMesh->mNumFaces];
for( size_t a = 0; a < dstMesh->mNumFaces; ++a) for( size_t a = 0; a < dstMesh->mNumFaces; ++a) {
{
size_t s = pSrcMesh->mFaceSize[ pStartFace + a]; size_t s = pSrcMesh->mFaceSize[ pStartFace + a];
aiFace& face = dstMesh->mFaces[a]; aiFace& face = dstMesh->mFaces[a];
face.mNumIndices = static_cast<unsigned int>(s); face.mNumIndices = static_cast<unsigned int>(s);
face.mIndices = new unsigned int[s]; face.mIndices = new unsigned int[s];
for( size_t b = 0; b < s; ++b) for( size_t b = 0; b < s; ++b) {
face.mIndices[b] = static_cast<unsigned int>(vertex++); face.mIndices[b] = static_cast<unsigned int>(vertex++);
}
} }
// create morph target meshes if any // create morph target meshes if any
@ -697,14 +665,12 @@ aiMesh* ColladaLoader::CreateMesh( const ColladaParser& pParser, const Collada::
std::vector<float> targetWeights; std::vector<float> targetWeights;
Collada::MorphMethod method = Collada::Normalized; Collada::MorphMethod method = Collada::Normalized;
for(std::map<std::string, Collada::Controller>::const_iterator it = pParser.mControllerLibrary.begin(); for(std::map<std::string, Collada::Controller>::const_iterator it = pParser.mControllerLibrary.begin();
it != pParser.mControllerLibrary.end(); it++) it != pParser.mControllerLibrary.end(); it++) {
{
const Collada::Controller &c = it->second; const Collada::Controller &c = it->second;
const Collada::Mesh* baseMesh = pParser.ResolveLibraryReference( pParser.mMeshLibrary, c.mMeshId); const Collada::Mesh* baseMesh = pParser.ResolveLibraryReference( pParser.mMeshLibrary, c.mMeshId);
if (c.mType == Collada::Morph && baseMesh->mName == pSrcMesh->mName) if (c.mType == Collada::Morph && baseMesh->mName == pSrcMesh->mName) {
{
const Collada::Accessor& targetAccessor = pParser.ResolveLibraryReference( pParser.mAccessorLibrary, c.mMorphTarget); const Collada::Accessor& targetAccessor = pParser.ResolveLibraryReference( pParser.mAccessorLibrary, c.mMorphTarget);
const Collada::Accessor& weightAccessor = pParser.ResolveLibraryReference( pParser.mAccessorLibrary, c.mMorphWeight); const Collada::Accessor& weightAccessor = pParser.ResolveLibraryReference( pParser.mAccessorLibrary, c.mMorphWeight);
const Collada::Data& targetData = pParser.ResolveLibraryReference( pParser.mDataLibrary, targetAccessor.mSource); const Collada::Data& targetData = pParser.ResolveLibraryReference( pParser.mDataLibrary, targetAccessor.mSource);
@ -713,34 +679,34 @@ aiMesh* ColladaLoader::CreateMesh( const ColladaParser& pParser, const Collada::
// take method // take method
method = c.mMethod; method = c.mMethod;
if (!targetData.mIsStringArray) if (!targetData.mIsStringArray) {
throw DeadlyImportError( "target data must contain id. "); throw DeadlyImportError( "target data must contain id. ");
if (weightData.mIsStringArray) }
if (weightData.mIsStringArray) {
throw DeadlyImportError( "target weight data must not be textual "); throw DeadlyImportError( "target weight data must not be textual ");
}
for (unsigned int i = 0; i < targetData.mStrings.size(); ++i) for (unsigned int i = 0; i < targetData.mStrings.size(); ++i) {
{
const Collada::Mesh* targetMesh = pParser.ResolveLibraryReference(pParser.mMeshLibrary, targetData.mStrings.at(i)); const Collada::Mesh* targetMesh = pParser.ResolveLibraryReference(pParser.mMeshLibrary, targetData.mStrings.at(i));
aiMesh *aimesh = findMesh(targetMesh->mName); aiMesh *aimesh = findMesh(targetMesh->mName);
if (!aimesh) if (!aimesh) {
{ if (targetMesh->mSubMeshes.size() > 1) {
if (targetMesh->mSubMeshes.size() > 1)
throw DeadlyImportError( "Morhing target mesh must be a single"); throw DeadlyImportError( "Morhing target mesh must be a single");
}
aimesh = CreateMesh(pParser, targetMesh, targetMesh->mSubMeshes.at(0), NULL, 0, 0); aimesh = CreateMesh(pParser, targetMesh, targetMesh->mSubMeshes.at(0), NULL, 0, 0);
mTargetMeshes.push_back(aimesh); mTargetMeshes.push_back(aimesh);
} }
targetMeshes.push_back(aimesh); targetMeshes.push_back(aimesh);
} }
for (unsigned int i = 0; i < weightData.mValues.size(); ++i) for (unsigned int i = 0; i < weightData.mValues.size(); ++i) {
targetWeights.push_back(weightData.mValues.at(i)); targetWeights.push_back(weightData.mValues.at(i));
}
} }
} }
if (targetMeshes.size() > 0 && targetWeights.size() == targetMeshes.size()) if (targetMeshes.size() > 0 && targetWeights.size() == targetMeshes.size()) {
{
std::vector<aiAnimMesh*> animMeshes; std::vector<aiAnimMesh*> animMeshes;
for (unsigned int i = 0; i < targetMeshes.size(); i++) for (unsigned int i = 0; i < targetMeshes.size(); ++i ) {
{
aiMesh* targetMesh = targetMeshes.at(i); aiMesh* targetMesh = targetMeshes.at(i);
aiAnimMesh *animMesh = aiCreateAnimMesh(targetMesh); aiAnimMesh *animMesh = aiCreateAnimMesh(targetMesh);
float weight = targetWeights[i]; float weight = targetWeights[i];
@ -753,13 +719,13 @@ aiMesh* ColladaLoader::CreateMesh( const ColladaParser& pParser, const Collada::
: aiMorphingMethod_MORPH_NORMALIZED; : aiMorphingMethod_MORPH_NORMALIZED;
dstMesh->mAnimMeshes = new aiAnimMesh*[animMeshes.size()]; dstMesh->mAnimMeshes = new aiAnimMesh*[animMeshes.size()];
dstMesh->mNumAnimMeshes = static_cast<unsigned int>(animMeshes.size()); dstMesh->mNumAnimMeshes = static_cast<unsigned int>(animMeshes.size());
for (unsigned int i = 0; i < animMeshes.size(); i++) for (unsigned int i = 0; i < animMeshes.size(); ++i ) {
dstMesh->mAnimMeshes[i] = animMeshes.at(i); dstMesh->mAnimMeshes[i] = animMeshes.at(i);
}
} }
// create bones if given // create bones if given
if( pSrcController && pSrcController->mType == Collada::Skin) if( pSrcController && pSrcController->mType == Collada::Skin) {
{
// resolve references - joint names // resolve references - joint names
const Collada::Accessor& jointNamesAcc = pParser.ResolveLibraryReference( pParser.mAccessorLibrary, pSrcController->mJointNameSource); const Collada::Accessor& jointNamesAcc = pParser.ResolveLibraryReference( pParser.mAccessorLibrary, pSrcController->mJointNameSource);
const Collada::Data& jointNames = pParser.ResolveLibraryReference( pParser.mDataLibrary, jointNamesAcc.mSource); const Collada::Data& jointNames = pParser.ResolveLibraryReference( pParser.mDataLibrary, jointNamesAcc.mSource);
@ -790,15 +756,13 @@ aiMesh* ColladaLoader::CreateMesh( const ColladaParser& pParser, const Collada::
weightStartPerVertex.resize(pSrcController->mWeightCounts.size(),pSrcController->mWeights.end()); weightStartPerVertex.resize(pSrcController->mWeightCounts.size(),pSrcController->mWeights.end());
IndexPairVector::const_iterator pit = pSrcController->mWeights.begin(); IndexPairVector::const_iterator pit = pSrcController->mWeights.begin();
for( size_t a = 0; a < pSrcController->mWeightCounts.size(); ++a) for( size_t a = 0; a < pSrcController->mWeightCounts.size(); ++a) {
{
weightStartPerVertex[a] = pit; weightStartPerVertex[a] = pit;
pit += pSrcController->mWeightCounts[a]; pit += pSrcController->mWeightCounts[a];
} }
// now for each vertex put the corresponding vertex weights into each bone's weight collection // now for each vertex put the corresponding vertex weights into each bone's weight collection
for( size_t a = pStartVertex; a < pStartVertex + numVertices; ++a) for( size_t a = pStartVertex; a < pStartVertex + numVertices; ++a) {
{
// which position index was responsible for this vertex? that's also the index by which // which position index was responsible for this vertex? that's also the index by which
// the controller assigns the vertex weights // the controller assigns the vertex weights
size_t orgIndex = pSrcMesh->mFacePosIndices[a]; size_t orgIndex = pSrcMesh->mFacePosIndices[a];
@ -898,7 +862,7 @@ aiMesh* ColladaLoader::CreateMesh( const ColladaParser& pParser, const Collada::
} }
} }
return dstMesh; return dstMesh.release();
} }
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------

View File

@ -142,7 +142,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/** @brief Specifies the maximum angle that may be between two vertex tangents /** @brief Specifies the maximum angle that may be between two vertex tangents
* that their tangents and bi-tangents are smoothed. * that their tangents and bi-tangents are smoothed.
* *
* This applies to the CalcTangentSpace-Step. The angle is specified * This applies to the CalcTangentSpace-Step. TFvhe angle is specified
* in degrees. The maximum value is 175. * in degrees. The maximum value is 175.
* Property type: float. Default value: 45 degrees * Property type: float. Default value: 45 degrees
*/ */

View File

@ -274,6 +274,8 @@ def hasattr_silent(object, name):
""" """
try: try:
if not object:
return False
return hasattr(object, name) return hasattr(object, name)
except AttributeError: except AttributeError:
return False return False