The Asset Importer Lib v5.0.0 release

• Bugfixes:
  • #2551: Collada output path is worng when that is exported.
  • #2603: Corrupted normals loaded from x-file.
  • #2598: introduce getEpsilon
  • #2613: merge glTF2 patch
  • #2653: Introduce 2 tests to reproduce fbx-tokenize issue.
  • #2627: Remove code from ai_assert test, will be removed in release versions.
  • #2618: Compilation fails with latest MinGW
  • #2614: FBX Crash on import
  • #2596: Stop JoinVerticiesProcess removing bones from mesh
  • #2599: Multiconfig debug postfix
  • #2570: Update config.h.in
  • #1623: Crash when loading multiple PLY files
  • #2571: Extra layer for multi uv sets
  • #2557: Fix CMake exporter macro
  • #1623: Crash when loading multiple PLY files
  • #2548: Check if weight are set or set the weight to 1.0f
  • #1612: Make wstaring handling depend from encoding of the filename.
  • #1642: Fix build on Hurd
  • #1460: Skip uv- and color-components if these are not defined.
  • #1638: Use memcpy instead of dynamic_cast.
  • #1574: Add API to get name of current branch.
  • #2439: Add null ptr test before calling hasAttr.
  • #2527: Use correct macro for Assimp-exporter.
  • #2368: Just fix it.
  • #2507: Collada_metadata' branch breaks loading of collada files
  • #2368: Add missign anim mesh for multimaterial meshes in fbx.
  • #2431: Use irrXml directly for mingw compiler.
  • #1660: Use memcpy instead of a c-style dynamic cast to parse a aiVector3D
  • #1722: Use a const reference to fix issue with ppc.
  • #1390: aiScene now stores metadata as well.
  • #1721: set camera parameters instead of nonsense.
  • #1728: check if mesh is a null instance before dereferencing it.
  • #1721: set camera param…
  • #1743: introduce /bigobj compile flag.
  • #905: Add missing contrib source from zlib.
  • #1758: Fix compiler warning.
  • #1752: Move guard over include statement.
  • #1583: Update doc.
  • #774: Use correct type for unitscale in fbx.
  • #1729: check for bit flip when unsigned int overflow happens in x-file parsing.
  • #1386: fix undefined behaviour in compare function.
  • #567: prevend dependency cycle.
  • #1564: Remove copy constructor.
  • #1773: Make FileSystemFilter forward all virtual functions to wrapped IOSystem instance
  • #1120: use euler angles for pre- and post-rotation.
  • #1796: return correct value on detach logger.
  • #1850: remove buggy setup in cmake.
  • #1836: make documentation much more clear how to apply global scaling.
  • #1855: fix correction of node names.
  • #1831: make config CMAKE_LIBRARY_CONFIG overridable.
  • #1881: make template-based get and put in streamreader/writer public.
  • #1621: add file check for dxf file without extensions.
  • #1894: use mesh name to name exported obj node.
  • #1893: fix mem leak in glft2Importer.
  • #1784: change so.name to keep track of the minor version of the lib.
  • #842: experimental suppor for ascii stl pointcloud export.
  • #919: add missing cast for vs2015.
  • #1952: check for postprocessing parameter before try to parse -f
  • #1780: check against nullptr before accessing normal data in aiMesh instance.
  • #1970: stl with empty solid.
  • #1587: Add validation to LWS unit test.
  • #1973: Added support for CustomData(Layer) to support multiple (texture) UV mappings.
  • #2016: Only add material uv mappings if set, ignore when no uvmapping set.
  • #2019: fix the qt-viewer without export.
  • #2024: make code more readable.
  • #2011: add reference to free model.
  • #2001: Make glTF2 the default exporter for glft
  • #1340: Fix handling of empty nodes in openddl-parser.
  • #2449: fix uwp handling
  • #2459: fix duplicated fbx-type propertry.
  • #2334: run vc_redist in passive + quiet mode.
  • #2335: add cmake-modules to the installer.
  • #2054: make empty bone validation optional.
  • #2056: use correc exception type in MMD-loader.
  • #1724: add default material access to the material API.
  • #2075: Make inject of debug postfix an option, so you can swich it off.
  • #2088: fix possible out-of-bound access in fbx-lerp operaation.
  • #1451: break when assimp-bin format was exported with a different version.
  • #212: introduce unittest for line-splitter, will validate that the current behaviour is correct.
  • #2154: remove redundant file from source folder.
  • #2067: introduce /bigobj compiler flag
  • #2206: make bone error in verification more verbose.
  • #2199: introduce first version for exporter.
  • #2229: fix count of polylines when only one vertex was indexed.
  • #2210: use different enum value.
  • #2202: put STEPParser out of IFC importer.
  • #2247: change include folder from debian package from /usr/lib/include to /usr/include
  • #817: use emmisive factor instead of color.
  • #2251: introduce AI_CONFIG_PP_FID_IGNORE_TEXTURECOORDS to avoid removing textures.
  • #2297: introduce obj-unittest to validate working importer.
  • #2115: rollback setup of FBX-camera.
  • #1593: fix computation of percentf for 3DS.
  • #934: introduce material keys for shader types.
  • #1650: build irrXml as shared lib.
  • #2411: Revert parts of dynamic ixxxml linkage
  • #2336: use new cmp_048 policy even for zlib in the assimp build.
  • A crash in the aiMesh destructor
  • Unicode fix ( experimental, feedback is welcome )
  • alloc-dealloc-mismatch
  • fix for div by zero reported by address sanitizer
• assimp_cmd:
  • Add --verbose flag to 'info' command, to print node transforms.
  • assimp_cmd info: list meshes and print basic mesh stats.
  • print error message on failure.
  • Parse post process arguments when using info tool.
  • prettier and better-compressed node hierarchy.
• Common Stuff:
  • Exporter::ExportToBlob() Pass on preprocessing and properties. Issue #2302
  • Use correct escape sequence for unsigned.
  • Ensure that the aiString lenght is 4 bytes independent which platform
  • Fix compiler warnings
  • Fix codacy issues
  • Implemented basic PBR materials into assimp.
    This adds the following texture types:
    • BASE_COLOR
    • NORMAL_CAMERA
    • EMISSION_COLOR
    • METALNESS
    • DIFFUSE_ROUGHNESS
  • Make IsVerbose accessible outside the exporter
  • Create FUNDING.yml
  • Add copyright headers to ZipArchiveIOSystem
  • diable unaigned pointer access temprary.
  • Fix signed unsigned comparison warnings.
  • Fixed anim meshes generated from blendshapes not being copied to output for multi-material meshes
  • All textures use relative path except embedded, this is fix for it.
  • I want to see what GetErrorString() blurts out on the Travis failure real quick
  • including <unzip.h> instead of <contrib/unzip/unzip.h>
  • Fix Matrix4x4t Decompose to rotation vector.
  • Add missing assignment operator to aiString.
  • fast_atof: Remove unused variable.
  • BaseImporter: Remove dead condition.
  • Some StreamWriter improvements / additions.
  • added support for embedded textures defined with buffer views.
  • fixed embedded texture reading.
  • BaseImporter: fix lookup for tokens during inmemory imports.
  • Reorg of code: Each importer / exporter / domain has its own folder.
  • Export: Copy metadata to be able to export it properly.
  • Some MSVC/Windows corrections and updates, issue 2302.
  • Introduce new log macros.
    -_stat64 doesn't seem to exist. use __stat64!
  • Fix strict aliasing violation in MaterialSystem
  • Added check to BaseImporter::SearchFileHeaderForToken making sure that a detected token is not
    in fact just a fraction of a longer token.
  • added internal to_string.
  • Use delete[] instead of delete to clear mMeshes
  • Fix memory leak in assimp_loader
  • Fix VS2013: array initialization does not work.
  • aiMatrix4x4t::FromEulerAnglesXYZ modified to row order
  • Various additions/fixes (FBX blend-shapes support added)
    • Added animMesh name assignment at ColladaLoader
    • Fixed animMesh post-processing on ConvertToLhProcess (blend-shapes weren't being affected by post-processing)
    • Added WindowsStore define. This is used to change some incompatible WinRT methods
    • Added FBX blend-shapes and blend-shapes animations support
    • Added Maya FBX specific texture slots parsing
    • Added extra FBX metadata parsing
    • Added GLTF2 vertex color parsing
    • Fixed IFC-Loader zip-buffer reading rountine
    • Fixed OBJ file parsing line-breaker bug
    • Fixed IOStreamBuffer cache over-read bug
    • Added mName field to aiAnimMesh
    • Reverted EmissiveFactor, TransparencyFactor and Specular
• Doc:
  • Move to https://assimp-docs.readthedocs.io/en/latest/
  • Add more detailed information about the source code structure
  • Clarify the matrix layout
  • Document AI_MATKEY_REFLECTIVITY and AI_MATKEY_COLOR_REFLECTIVE.
  • Correct matrix layout documentation
  • Fix aiBone->mOffsetMatrix documentation, which was incorrect.
  • Fix the assimp.net link.
  • Expand the current documentation about loading of embedded textures.
  • Improve the contribution guide.
  • Add the HAXE-port.
• Build:
  • Add example build script.
  • Update DLL PE details: Copyright, git commit hash and original filename.
  • Depreciated compiler which doesn't support standard features.
  • Fix error when building assimp on older Mac OS X version.
  • Update scene.h to use #include only if the compiler is used to compile c++ code.
  • Fixed MSVC toolset versions >140.
  • Fixed android zlib compile error.
  • Export static libaries as CMake package.
  • Set directory and name properties for installing static lib PDB.
  • Use CMAKE_INSTALL_PREFIX as ASSIMP_ROOT_DIR.
  • ios-build-script
  • Add Inno setup path to PATH variable.
  • Assimp will now be correctly built with -O3 or -Og based on build type.
  • Add TARGET_INCLUDE_DIRECTORIES for assimp target
  • Use a more accurate way of checking if the build is 64 bit
  • Improved cmake configs for Windows and Linux.
  • Default CMAKE_DEBUG_POSTFIX to 'd' on multiconfig
  • Adds a way to select which exporters you want to compile
• CI:
  • Fix Travis CI sign-compare warning
  • Travis updated to clang 5.0 and there are new issues
  • Appveyor + Travis: use caching
  • Use clange adress sanitizer + memory leak detection
  • Handle warnings as errors
  • Use Hunter for pulling in dependencies.
• 3DS:
  • Reformat initializer list
  • Add explicit default constructors and assignment operators to Material.
  • Add Material constructor which takes material name.
  • Add Mesh constructor with takes name.
  • Explicitly pass "UNNAMED" as 3DS root node name.
  • Fix more thread-safety issue in 3DS loader.
• 3MF:
  • Introduce first prototype for basematerial support.
  • Fix parsing of base-material color.
  • Fix order of init list.
  • Use correct material assignment in case of multi-materials.
  • Add missig tags for meta data.
  • Fix model folder desc.
  • Fix CanRead-method for the 3MF-Importer.
• ASE:
  • Reformat initializer list.
  • Add explicit default constructors and assignment operators to Material.
  • Add Material constructor which takes material name.
  • Pass a default material name when resizing materials buffer.
  • Fix more thread-safety issue in ASE loader.
• AssJSon:
  • Add json export.
• B3D
  • Use std::unique_ptr
• BlenderLoader:
  • Fix memory leak.
  • Update BlenderDNA.h.
• Collada
  • Add Collada zae import support
  • fix possible memleak when throwing an exception.
  • Don't use SkipElement() to skip empty Text.
  • Correction on Collada parser missing textures when the image is in CDATA
  • Richard tea collada metadata
  • collada export: Use Camera local coordinate system
  • Save/Load Collada 1.4 Root Asset Metadata
  • Fix automatic name assignment for ColladaLoader when using name based assignment
• DXF:
  • Fix macro issues.
• glFT
  • Add ortho camera support
  • Fix incorrect NO_GLTF_IMPORTER define name in glTFExporter.h
  • Fix delete / delete[] mismatch
  • glTFAsset: Use std:unique_ptr for Image data
  • Update o3dgcTimer.h
  • Added import of material properties (double sided and transparency) in glTF 1.0 importer.
  • Forced 4-bits alignment for glTF buffers
  • Fixed some gltf files being detected as OBJ
  • Added support for non-indexed meshes in glTF importer. Addresses issue #2046.
  • GLTF segfault using triangle strip
  • buffer grow changes and large files support
• glFT2
  • Add ortho camera support.
  • Lights import.
  • Added support for generating glb2.
  • Not using external bin file for glb2.
  • Correctly export images with bufferView.
  • Using relative buffers URI.
  • Set camera "look at" to (0.0, 0.0, -1.0).
  • Assign default material to meshes with no material reference.
  • Import scale for normal textures and strength for occlusion textures.
  • Add vertex color support to glTF2 export.
  • Fix export gltf2, The JOINTS_0 componentType is incorrect.
  • Move creation of vars to avoid useless creation in case of an error.
  • Fix gltf2 export component type error
  • Change glTF2 file extensions from gltf2/glb2 to gltf/glb in the exporter so that it matches the importer and respect the standard specifications
  • Read and write the KHR_materials_unlit glTF/2.0 extension.
  • Pick scene zero as scene to recursively load if no "scene" property is specified.
  • Properly reads in glTF/2.0 sampler address modes.
  • Fix inconsistency between animation and node name in glTF2 Importer
  • Add test for glTF2 lines, line strip, lines loop and points
  • Fixes crash when importing invalid glTF/2.0 files
  • Skips some glTF/2.0 uv processing if the count of uvs in the attribute stream doesn't match the vertex count.
  • Make gltf2's roughnessAsShininess matches between importer and exporter.
  • Add support for importing GLTF2 animations.
  • glTF2 importer multiple primitives and 16-bit index buffer skinmesh support.
  • Fix glTF2 export with no texture coordinates
  • Fix inconsistency between animation and node name in glTF2 Importer
• FBX
  • FBX Import: Properly clean up post_nodes_chain in case of exception.
  • Implemented basic PBR material textures
  • Added maya stingray support for textures
  • Added VertexColor to FBX exporter (one channel)
  • Fix FBX units not being converted from CM to application scale
  • FBX node chain assert fix
  • FBX importer armature fixes and root bone fixes - animations should now work for more models.
  • Fix Issue: group node in fbx being exported as bone node
  • Fix non-ascii encoding in comments in FBXMaterial.cpp
  • FBX files may use a texture reference from an embedded texture that hasn't been loaded yet.
    This patch fixes this issue, storing all texture filenames, that can be acessed later via "scene::GetEmbeddedTexture", when all textures are already loaded.
    Some warnings have been added to other file formats that uses embedded data.
  • Fix export custom bindpose error
  • Some FBX multi-material mesh fixes
  • Fixed first vertex of each blendshape on a multi-material mesh having all unmapped vertice offsets being added to it
  • Fixed blendshapes not importing for multi-material FBX meshes with no bones
  • Store UnitScaleFactor for fbx-files.
  • Global settings use float instead of double.
  • Initial FBX Export Support, sponsored by MyDidimo (mydidimo.com).
  • FBX Importer double precision fix.
  • Apply inverse of geometric transform to child nodes.
  • Node names optimization and fixing non-unique name
  • Support for FBX file sizes more than 4GB.
  • Fragmented FBX ASCII emdedded resource.
  • Fix parse error for uv-coordinates.
  • Exception spam fix for FBXMaterial.
  • Fix empty fbx mesh names
  • fix for geometric transform nodes with multiple children.
  • FBX Export: Geometric transformations always create transformation chain.
  • FBX Export: fix logic for determining if scale transformation is identity.
  • FBX geometric transforms fix
  • FBX Export: handle newly-added geometric transform inverse nodes.
  • FBX Export: reconstruct full skeleton for any FBX deformers.
  • Fbx export skeleton improvements
  • FBX Export: add missing 0 value to file footer.
  • Fix Texture_Alpha_soutce typo.
  • LayeredTextures now work with embedded texture data
  • Assimp animation time is already in seconds. Just convert to FBX time.
  • Added check for NULL Compound in Properties70 element (fixes DeadlyImportError on some FBX files)
  • FBXImporter: Fix GetUniqueName to return names properly
  • Fix for crash in StreamWriter::PutString when exporting ASCII FBX
  • Don't call PutString with an empty string. Both DumpChildrenAscii and EndAscii can return without modifyting the string,
    so we need to check the string before calling PutString. This used to cause a crash.
  • Fbx convert to unit
  • Optimisation of FBX node name uniqueness
  • FBX import: fix import of direct data by vertices + unify node renaming
  • fixed ordering of skin indices and weights, to be consistent between systems
  • Add FBX Line Element support.
  • Preserve all the material parameters from FBX models
  • Fix for FBX binary tokenization of arrays of type 'c'
  • Generate attenuation constants if non are privded in the Blender file. Using: https://imdoingitwrong.wordpress.com/2011/01/31/light-attenuation/
  • Fix FBX face materials not being properly loaded if the face count mismatches the material count
• LWO:
  • Initialize unnamed node uniqueness index outside of loop.
  • Use C++11 auto for easier refactoring.
  • Move some assignments to make it clearer when the thing should be moved.
• IFC-2x3:
  • Fixed bug in IFC when dimensional exponent parameters in IfcSIUnits is not defined.
  • In IFC, fixed parser to avoid interpretation of '##' in string as identifiers
• MD5:
  • MD5-Loader: set meshnames.
• MDC:
  • Fix horrible pointer casting hack
  • fix a possible nullptr access.
• MDLLoader:
  • Replace raw pointer with vector to fix a memory leak
• MMD:
  • Add virtual destructor to a class which already has virtual functions
  • Fix memory leak
• MDLImporter:
  • Use unique_ptr
  • Fixes a double free
• Obj:
  • Use unique_ptr
  • Fix possible memory leak
  • Fix line continuations in OBJ files
  • Fix buffer overflow in obj loader
  • Replace assertion by an exception in Obj parsing.
  • Fix material index off-by-one error in some OBJ files (seen in a C4D export).
  • Fixed test .obj file: OBJ Vertex Colors are expected to be floats (0-1).
  • Fix Issue #1923: OBJ Exporter can't correctly export vertex colors.
  • bad OBJ file that can still be read
  • Fix .obj displacement texture parsing
  • Fix expensive memory allocation and memory copying occurring in obj files with a large number of meshes.
  • Pointcloud support
  • OBJ: Coerce texture coords of nan or infinity to zero
  • a test for bad OBJ file format and code fix that handles it
  • Fix progress reporting in ObjFileParser. Remove old unused code which is claiming to still take up "1/3" of the total progress.
  • Obj: we can still import partially incorrect files
  • OBJ coerce invalid nan or inf texture coords to 0
• Ogre:
  • Change OgreXmlSerializer::HasAttribute parameter from std::string to pointer.
  • Avoid creating static std::strings.
  • Avoid creating function-scoped static constants.
  • Prevent crash when Ogre skeleton file is missing
• OpenGEX:
  • Replace raw pointer with vector to fix a memory leak.
  • Replace std::copy with explicit loop.
  • Use std::unique_ptr to fix some memory leaks.
• Q3BSP:
  • Convert Q3BSP Importer to use ZipArchiveIOSystem
  • Add assertion to silence a static analyzer warning
• PLY:
  • float-color.ply is broken.
  • Fix for undefined behavior when loading binary PLY.
  • PLY importer should not create faces.
  • Set primitive_type to point when PLY is a point cloud.
  • Add support for texture file in PLY exports.
  • PLY importer should not automatically create faces.
  • Fix ply exporter to be conformant to spec respecting vertex colors.
  • Fix ply exporter to be conformant to spec respecting vertex colors.
• Smd
  • Cannot read bone names containing spaces
• STL:
  • Fix white ambient in STL loader
  • Fix import of binary STL files in double-precision builds.
  • STL binary Export should write 4-byte floats for vertex and normal coordinates.
  • Add mesh names to imported ASCII STL.
  • STL-Exporter: fix division by zero in normalize method during update
• XGLLoader:
  • Fix const issue when seeting vec2.
  • Fix a memory leak
• X3DImporter:
  • Add virtual destructors to some classes which already have virtual functions
• X:
  • fix out of bound access.
  • Release x-file-based scene when throwing an exception.
  • Fix exception.
  • Fix typo.
  • Add misisng bracket.
• Postprocessing
  • Fix UV texture coords generation along Z Axis
  • Thomasbiang fix issue join identical vertices not needed.
  • Fix missing File Scale and Application scale fixes for all conversions.
  • ScaleProcess overhauled to improve compatibility with animations and unit conversion.
  • All textures use relative path except embedded textures, this is a fix for it.
  • Add gen-aabb process to postprocessing.
  • Embedding images post-process.
  • PretransformVertices: Rearrange some assignments to clarify things.
  • LimitBoneWeightsProcess: Initialize all members of Weight in constructor.
  • FindInstancesProcessOptim: Optim FindInstancesProcess.
  • Optim FindInstancesProcess: ComputePositionEpsilon() is a costly function which was called in the inner
    loop although it only uses data from upper loop.
  • Degenerate triangles with small area removing fix
  • ImproveCacheLocality crashes if non triangular faces
  • Add mesh name to ValidateDataStructure log
  • Fix GenVertexNormals
  • Added forced generation of normals with extra flag.
  • Force generating mesh normals.
  • Deactivate area based rejection of triangles in triangulation
  • JoinVerticesProcess should only try to deduplicate used vertices.
  • Feature/join vertices processor kill unused vertices
  • FlipUVsProcess should also process AnimMeshes (if any)
  • Allow findDegenerate and SplitLargeMesh to pass point clouds models.
  • integrated DropFaceNormals process (cmake, poststepregistry)
  • ValidateDataStructure.cpp:
    • Fixed warnings introduced by last commit (hopefully)
    • Fixed case fallthrough (due to exception flow, it didn't make a practical difference, but hopefully will remove a warning)
    • Minor formatting consistency improvements
• Tools:
  • Remove the qt-viewer from the build system and move it into its own repo.
  • Fix AssimpView build.
  • Fix Assimp viewer build with MinGW
• Examples:
  • Update Sample_SimpleOpenGL.c
• Java-Port:
  • JAssimp: fix simple code analysis issues.
  • Fix another misinterpretation from the JNI-interface.
  • Add progresshandler support jassimp
• .Net-Port:
  • Fix documentation for assimp.net.
  • Update AssimpNet redirect
• Python-port:
  • Version bump pyassimp.
  • Fix indentation error in python bindings.
  • Remove check for 'assimp' in name of directories to be searched for library in python port.
  • Add pyassimp code generation script for materials.
  • Ensure obj is not null before using hasattr.
  • Minor changes to setup.py to make it slightly more compliant
  • Solved pyassimp.errors.AssimpError in conda
  • Build Python representation for metadata.
  • Fix "bytes aketrans" issues in Python>=3.1
  • Fix: except SyntaxError for py3 viewer
• Android:
  • Added ASSIMP_ANDROID_JNIIOSYSTEM precheck to only remain set to ON in proper ANDROID enabled toolchain environment
• zlib & unzip
  • unzip: fix build with older zlib
• irrXml:
  • IrrXML doesn't recognise the construction: <author></author> as being an empty element, and
    so ColladaParser::TestTextContent advances the element stream into the </author> element.