v4games
/
assimp
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'master' into remove-useless-virtual

pull/4884/head
Kim Kulling 2023-01-22 20:25:45 +01:00 committed by GitHub
parent e5c02e8d45 c48507beea
commit f2f967b8ba
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
65 changed files with 269 additions and 251 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
CMakeLists.txt
View File

@ -1,6 +1,6 @@
# Open Asset Import Library (assimp)
# ----------------------------------------------------------------------
# Copyright (c) 2006-2022, assimp team
# Copyright (c) 2006-2023, assimp team
#
# All rights reserved.
#
@ -262,13 +262,13 @@ IF ((CMAKE_C_COMPILER_ID MATCHES "GNU") AND NOT MINGW)
ENDIF()
# hide all not-exported symbols
IF(CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "mips64" )
SET(CMAKE_CXX_FLAGS "-mxgot -fvisibility=hidden -fno-strict-aliasing -Wall ${CMAKE_CXX_FLAGS}")
SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
SET(LIBSTDC++_LIBRARIES -lstdc++)
SET(CMAKE_CXX_FLAGS "-mxgot -fvisibility=hidden -fno-strict-aliasing -Wall ${CMAKE_CXX_FLAGS}")
SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
SET(LIBSTDC++_LIBRARIES -lstdc++)
ELSE()
SET(CMAKE_CXX_FLAGS "-fvisibility=hidden -fno-strict-aliasing -Wall ${CMAKE_CXX_FLAGS}")
SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
SET(LIBSTDC++_LIBRARIES -lstdc++)
SET(CMAKE_CXX_FLAGS "-fvisibility=hidden -fno-strict-aliasing -Wall ${CMAKE_CXX_FLAGS}")
SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
SET(LIBSTDC++_LIBRARIES -lstdc++)
ENDIF()
ELSEIF(MSVC)
# enable multi-core compilation with MSVC
@ -277,13 +277,15 @@ ELSEIF(MSVC)
ELSE() # msvc
ADD_COMPILE_OPTIONS(/MP /bigobj /W4 /WX)
ENDIF()
# disable "elements of array '' will be default initialized" warning on MSVC2013
IF(MSVC12)
ADD_COMPILE_OPTIONS(/wd4351)
ENDIF()
ADD_COMPILE_OPTIONS(/wd4244) #supress warning for double to float conversion if Double precission is activated
# supress warning for double to float conversion if Double precission is activated
ADD_COMPILE_OPTIONS(/wd4244)
SET(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /D_DEBUG /Zi /Od")
SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Zi")
SET(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
SET(CMAKE_SHARED_LINKER_FLAGS_RELEASE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE} /DEBUG:FULL /PDBALTPATH:%_PDB% /OPT:REF /OPT:ICF")
ELSEIF (CMAKE_CXX_COMPILER_ID MATCHES "Clang" )
IF(NOT ASSIMP_HUNTER_ENABLED)

1
code/AssetLib/Collada/ColladaParser.cpp
View File

@ -762,6 +762,7 @@ void ColladaParser::ReadControllerWeights(XmlNode &node, Collada::Controller &pC
if (text == nullptr) {
throw DeadlyImportError("Out of data while reading <vertex_weights>");
}
SkipSpacesAndLineEnd(&text);
it->first = strtoul10(text, &text);
SkipSpacesAndLineEnd(&text);
if (*text == 0) {

81
code/AssetLib/FBX/FBXMeshGeometry.h
View File

@ -2,8 +2,7 @@
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2022, assimp team
Copyright (c) 2006-2023, assimp team
All rights reserved.
@ -53,22 +52,26 @@ namespace Assimp {
namespace FBX {
/**
* DOM base class for all kinds of FBX geometry
* @brief DOM base class for all kinds of FBX geometry
*/
class Geometry : public Object {
public:
/// @brief The class constructor with all parameters.
/// @param id The id.
/// @param element
/// @param name
/// @param doc
/// @param element The element instance
/// @param name The name instance
/// @param doc The document instance
Geometry( uint64_t id, const Element& element, const std::string& name, const Document& doc );
/// @brief The class destructor, default.
virtual ~Geometry() = default;
/// Get the Skin attached to this geometry or nullptr
/// @brief Get the Skin attached to this geometry or nullptr.
/// @return The deformer skip instance as a pointer, nullptr if none.
const Skin* DeformerSkin() const;
/// Get the BlendShape attached to this geometry or nullptr
/// @brief Get the BlendShape attached to this geometry or nullptr
/// @return The blendshape arrays.
const std::vector<const BlendShape*>& GetBlendShapes() const;
private:
@ -78,59 +81,71 @@ private:
typedef std::vector<int> MatIndexArray;
/**
* DOM class for FBX geometry of type "Mesh"
* @brief DOM class for FBX geometry of type "Mesh"
*/
class MeshGeometry : public Geometry {
public:
/** The class constructor */
/// @brief The class constructor
/// @param id The id.
/// @param element The element instance
/// @param name The name instance
/// @param doc The document instance
MeshGeometry( uint64_t id, const Element& element, const std::string& name, const Document& doc );
/** The class destructor */
/// @brief The class destructor, default.
virtual ~MeshGeometry() = default;
/** Get a list of all vertex points, non-unique*/
/// brief Get a vector of all vertex points, non-unique.
/// @return The vertices vector.
const std::vector<aiVector3D>& GetVertices() const;
/** Get a list of all vertex normals or an empty array if
* no normals are specified. */
/// @brief Get a vector of all vertex normals or an empty array if no normals are specified.
/// @return The normal vector.
const std::vector<aiVector3D>& GetNormals() const;
/** Get a list of all vertex tangents or an empty array
* if no tangents are specified */
/// @brief Get a vector of all vertex tangents or an empty array if no tangents are specified.
/// @return The vertex tangents vector.
const std::vector<aiVector3D>& GetTangents() const;
/** Get a list of all vertex bi-normals or an empty array
* if no bi-normals are specified */
/// @brief Get a vector of all vertex bi-normals or an empty array if no bi-normals are specified.
/// @return The binomal vector.
const std::vector<aiVector3D>& GetBinormals() const;
/** Return list of faces - each entry denotes a face and specifies
* how many vertices it has. Vertices are taken from the
* vertex data arrays in sequential order. */
/// @brief Return list of faces - each entry denotes a face and specifies how many vertices it has.
/// Vertices are taken from the vertex data arrays in sequential order.
/// @return The face indices vector.
const std::vector<unsigned int>& GetFaceIndexCounts() const;
/** Get a UV coordinate slot, returns an empty array if
* the requested slot does not exist. */
/// @brief Get a UV coordinate slot, returns an empty array if the requested slot does not exist.
/// @param index The requested texture coordinate slot.
/// @return The texture coordinates.
const std::vector<aiVector2D>& GetTextureCoords( unsigned int index ) const;
/** Get a UV coordinate slot, returns an empty array if
* the requested slot does not exist. */
/// @brief Get a UV coordinate slot, returns an empty array if the requested slot does not exist.
/// @param index The requested texture coordinate slot.
/// @return The texture coordinate channel name.
std::string GetTextureCoordChannelName( unsigned int index ) const;
/** Get a vertex color coordinate slot, returns an empty array if
* the requested slot does not exist. */
/// @brief Get a vertex color coordinate slot, returns an empty array if the requested slot does not exist.
/// @param index The requested texture coordinate slot.
/// @return The vertex color vector.
const std::vector<aiColor4D>& GetVertexColors( unsigned int index ) const;
/** Get per-face-vertex material assignments */
/// @brief Get per-face-vertex material assignments.
/// @return The Material indices Array.
const MatIndexArray& GetMaterialIndices() const;
/** Convert from a fbx file vertex index (for example from a #Cluster weight) or nullptr
* if the vertex index is not valid. */
/// @brief Convert from a fbx file vertex index (for example from a #Cluster weight) or nullptr if the vertex index is not valid.
/// @param in_index The requested input index.
/// @param count The number of indices.
/// @return The indices.
const unsigned int* ToOutputVertexIndex( unsigned int in_index, unsigned int& count ) const;
/** Determine the face to which a particular output vertex index belongs.
* This mapping is always unique. */
/// @brief Determine the face to which a particular output vertex index belongs.
/// This mapping is always unique.
/// @param in_index The requested input index.
/// @return The face-to-vertex index.
unsigned int FaceForVertexIndex( unsigned int in_index ) const;
private:

4
code/AssetLib/M3D/M3DWrapper.cpp
View File

@ -39,8 +39,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
#ifndef ASSIMP_BUILD_NO_M3D_IMPORTER
#if !(ASSIMP_BUILD_NO_EXPORT || ASSIMP_BUILD_NO_M3D_EXPORTER)
#if !defined ASSIMP_BUILD_NO_M3D_IMPORTER || !(defined ASSIMP_BUILD_NO_EXPORT || defined ASSIMP_BUILD_NO_M3D_EXPORTER)
#include "M3DWrapper.h"
@ -149,4 +148,3 @@ void M3DWrapper::ClearSave() {
} // namespace Assimp
#endif
#endif

4
code/AssetLib/M3D/M3DWrapper.h
View File

@ -47,8 +47,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef AI_M3DWRAPPER_H_INC
#define AI_M3DWRAPPER_H_INC
#ifndef ASSIMP_BUILD_NO_M3D_IMPORTER
#if !(ASSIMP_BUILD_NO_EXPORT || ASSIMP_BUILD_NO_M3D_EXPORTER)
#if !defined ASSIMP_BUILD_NO_M3D_IMPORTER || !(defined ASSIMP_BUILD_NO_EXPORT || defined ASSIMP_BUILD_NO_M3D_EXPORTER)
#include <memory>
#include <vector>
@ -126,7 +125,6 @@ inline m3d_t *M3DWrapper::M3D() const {
} // namespace Assimp
#endif
#endif // ASSIMP_BUILD_NO_M3D_IMPORTER
#endif // AI_M3DWRAPPER_H_INC

49
code/PostProcessing/JoinVerticesProcess.cpp
View File

@ -105,7 +105,11 @@ void JoinVerticesProcess::Execute( aiScene* pScene) {
namespace {
bool areVerticesEqual(const Vertex &lhs, const Vertex &rhs, bool complex) {
bool areVerticesEqual(
const Vertex &lhs,
const Vertex &rhs,
unsigned numUVChannels,
unsigned numColorChannels) {
// A little helper to find locally close vertices faster.
// Try to reuse the lookup table from the last step.
const static float epsilon = 1e-5f;
@ -124,10 +128,6 @@ bool areVerticesEqual(const Vertex &lhs, const Vertex &rhs, bool complex) {
return false;
}
if ((lhs.texcoords[0] - rhs.texcoords[0]).SquareLength() > squareEpsilon) {
return false;
}
if ((lhs.tangent - rhs.tangent).SquareLength() > squareEpsilon) {
return false;
}
@ -136,19 +136,18 @@ bool areVerticesEqual(const Vertex &lhs, const Vertex &rhs, bool complex) {
return false;
}
// Usually we won't have vertex colors or multiple UVs, so we can skip from here
// Actually this increases runtime performance slightly, at least if branch
// prediction is on our side.
if (complex) {
for (int i = 0; i < 8; i++) {
if (i > 0 && (lhs.texcoords[i] - rhs.texcoords[i]).SquareLength() > squareEpsilon) {
return false;
}
if (GetColorDifference(lhs.colors[i], rhs.colors[i]) > squareEpsilon) {
return false;
}
for (unsigned i = 0; i < numUVChannels; i++) {
if ((lhs.texcoords[i] - rhs.texcoords[i]).SquareLength() > squareEpsilon) {
return false;
}
}
for (unsigned i = 0; i < numColorChannels; i++) {
if (GetColorDifference(lhs.colors[i], rhs.colors[i]) > squareEpsilon) {
return false;
}
}
return true;
}
@ -241,9 +240,16 @@ struct std::hash<Vertex> {
//template specialization for std::equal_to for Vertex
template<>
struct std::equal_to<Vertex> {
equal_to(unsigned numUVChannels, unsigned numColorChannels) :
mNumUVChannels(numUVChannels),
mNumColorChannels(numColorChannels) {}
bool operator()(const Vertex &lhs, const Vertex &rhs) const {
return areVerticesEqual(lhs, rhs, false);
return areVerticesEqual(lhs, rhs, mNumUVChannels, mNumColorChannels);
}
private:
unsigned mNumUVChannels;
unsigned mNumColorChannels;
};
// now start the JoinVerticesProcess
int JoinVerticesProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshIndex) {
@ -316,8 +322,13 @@ int JoinVerticesProcess::ProcessMesh( aiMesh* pMesh, unsigned int meshIndex) {
uniqueAnimatedVertices[animMeshIndex].reserve(pMesh->mNumVertices);
}
}
// a map that maps a vertix to its new index
std::unordered_map<Vertex,int> vertex2Index;
// a map that maps a vertex to its new index
const auto numBuckets = pMesh->mNumVertices;
const auto hasher = std::hash<Vertex>();
const auto comparator = std::equal_to<Vertex>(
pMesh->GetNumUVChannels(),
pMesh->GetNumColorChannels());
std::unordered_map<Vertex, int> vertex2Index(numBuckets, hasher, comparator);
// we can not end up with more vertices than we started with
vertex2Index.reserve(pMesh->mNumVertices);
// Now check each vertex if it brings something new to the table

93
code/PostProcessing/LimitBoneWeightsProcess.cpp
View File

@ -2,8 +2,7 @@
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2022, assimp team
Copyright (c) 2006-2023, assimp team
All rights reserved.
@ -36,13 +35,7 @@ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** Implementation of the LimitBoneWeightsProcess post processing step */
---------------------------------------------------------------------- */
#include "LimitBoneWeightsProcess.h"
#include <assimp/SmallVector.h>
#include <assimp/StringUtils.h>
@ -51,14 +44,16 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <assimp/scene.h>
#include <stdio.h>
using namespace Assimp;
namespace Assimp {
// Make sure this value is set.
#ifndef AI_LMW_MAX_WEIGHTS
# define AI_LMW_MAX_WEIGHTS 16
#endif
// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
LimitBoneWeightsProcess::LimitBoneWeightsProcess()
{
mMaxWeights = AI_LMW_MAX_WEIGHTS;
}
LimitBoneWeightsProcess::LimitBoneWeightsProcess() : mMaxWeights(AI_LMW_MAX_WEIGHTS) {}
// ------------------------------------------------------------------------------------------------
// Destructor, private as well
@ -66,15 +61,15 @@ LimitBoneWeightsProcess::~LimitBoneWeightsProcess() = default;
// ------------------------------------------------------------------------------------------------
// Returns whether the processing step is present in the given flag field.
bool LimitBoneWeightsProcess::IsActive( unsigned int pFlags) const
{
bool LimitBoneWeightsProcess::IsActive( unsigned int pFlags) const {
return (pFlags & aiProcess_LimitBoneWeights) != 0;
}
// ------------------------------------------------------------------------------------------------
// Executes the post processing step on the given imported data.
void LimitBoneWeightsProcess::Execute( aiScene* pScene)
{
void LimitBoneWeightsProcess::Execute( aiScene* pScene) {
ai_assert(pScene != nullptr);
ASSIMP_LOG_DEBUG("LimitBoneWeightsProcess begin");
for (unsigned int m = 0; m < pScene->mNumMeshes; ++m) {
@ -86,16 +81,30 @@ void LimitBoneWeightsProcess::Execute( aiScene* pScene)
// ------------------------------------------------------------------------------------------------
// Executes the post processing step on the given imported data.
void LimitBoneWeightsProcess::SetupProperties(const Importer* pImp)
{
// get the current value of the property
void LimitBoneWeightsProcess::SetupProperties(const Importer* pImp) {
this->mMaxWeights = pImp->GetPropertyInteger(AI_CONFIG_PP_LBW_MAX_WEIGHTS,AI_LMW_MAX_WEIGHTS);
}
// ------------------------------------------------------------------------------------------------
static unsigned int removeEmptyBones(aiMesh *pMesh) {
ai_assert(pMesh != nullptr);
unsigned int writeBone = 0;
for (unsigned int readBone = 0; readBone< pMesh->mNumBones; ++readBone) {
aiBone* bone = pMesh->mBones[readBone];
if (bone->mNumWeights > 0) {
pMesh->mBones[writeBone++] = bone;
} else {
delete bone;
}
}
return writeBone;
}
// ------------------------------------------------------------------------------------------------
// Unites identical vertices in the given mesh
void LimitBoneWeightsProcess::ProcessMesh(aiMesh* pMesh)
{
void LimitBoneWeightsProcess::ProcessMesh(aiMesh* pMesh) {
if (!pMesh->HasBones())
return;
@ -105,11 +114,9 @@ void LimitBoneWeightsProcess::ProcessMesh(aiMesh* pMesh)
WeightsPerVertex vertexWeights(pMesh->mNumVertices);
size_t maxVertexWeights = 0;
for (unsigned int b = 0; b < pMesh->mNumBones; ++b)
{
for (unsigned int b = 0; b < pMesh->mNumBones; ++b) {
const aiBone* bone = pMesh->mBones[b];
for (unsigned int w = 0; w < bone->mNumWeights; ++w)
{
for (unsigned int w = 0; w < bone->mNumWeights; ++w) {
const aiVertexWeight& vw = bone->mWeights[w];
if (vertexWeights.size() <= vw.mVertexId)
@ -126,8 +133,7 @@ void LimitBoneWeightsProcess::ProcessMesh(aiMesh* pMesh)
unsigned int removed = 0, old_bones = pMesh->mNumBones;
// now cut the weight count if it exceeds the maximum
for (WeightsPerVertex::iterator vit = vertexWeights.begin(); vit != vertexWeights.end(); ++vit)
{
for (WeightsPerVertex::iterator vit = vertexWeights.begin(); vit != vertexWeights.end(); ++vit) {
if (vit->size() <= mMaxWeights)
continue;
@ -154,40 +160,27 @@ void LimitBoneWeightsProcess::ProcessMesh(aiMesh* pMesh)
}
// clear weight count for all bone
for (unsigned int a = 0; a < pMesh->mNumBones; ++a)
{
for (unsigned int a = 0; a < pMesh->mNumBones; ++a) {
pMesh->mBones[a]->mNumWeights = 0;
}
// rebuild the vertex weight array for all bones
for (unsigned int a = 0; a < vertexWeights.size(); ++a)
{
for (unsigned int a = 0; a < vertexWeights.size(); ++a) {
const VertexWeightArray& vw = vertexWeights[a];
for (const Weight* it = vw.begin(); it != vw.end(); ++it)
{
for (const Weight* it = vw.begin(); it != vw.end(); ++it) {
aiBone* bone = pMesh->mBones[it->mBone];
bone->mWeights[bone->mNumWeights++] = aiVertexWeight(a, it->mWeight);
}
}
// remove empty bones
unsigned int writeBone = 0;
for (unsigned int readBone = 0; readBone< pMesh->mNumBones; ++readBone)
{
aiBone* bone = pMesh->mBones[readBone];
if (bone->mNumWeights > 0)
{
pMesh->mBones[writeBone++] = bone;
}
else
{
delete bone;
}
}
pMesh->mNumBones = writeBone;
#ifdef AI_CONFIG_IMPORT_REMOVE_EMPTY_BONES
pMesh->mNumBones = removeEmptyBones(pMesh);
#endif // AI_CONFIG_IMPORT_REMOVE_EMPTY_BONES
if (!DefaultLogger::isNullLogger()) {
ASSIMP_LOG_INFO("Removed ", removed, " weights. Input bones: ", old_bones, ". Output bones: ", pMesh->mNumBones);
}
}
} // namespace Assimp