* AC: Support Double-Sided Faces
The AC format marks double-sided SURF elements with the 0x20 flag, which Assimp ignored. This commit adds support for double-sided faces.
On encountering a double-sided face via the flag mentioned above, the front face is generated as usual but is then duplicated. The winding order of the duplicate is flipped to form a back face. Vertices are duplicated too so that back faces work correctly with normal vector generation and face smoothing.
* Add test file
* Simplify test case
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Co-authored-by: Kim Kulling <kimkulling@users.noreply.github.com>
Refactor JoinVerticesProcess to utilize the new utility.
ADD basic operators for aiColor4D, move to dedicated header and implementation file.
ADD some utility functions to SpatialSort.
ADD my existing Catmull-Clark implementation to Assimp for all model formats with support for subdivision surfaces. Slightly WIP, likely to produce errors on non-closed meshes. Currently only implemented in the AC3D loader.
Switch to byteswap intrinsics instead of inline assembly (bswap). Currently MSVC only.
FIX phong shading in assimp_view.
VertexTriangleAdjacency class now also works on arbitrary polygons - UNTESTED, tbd.
git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@532 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
IrrXML receives memmapped UTF-8 input data now, it's own (faulty) conversion is not used anymore.
aiString's are explicitly UTF-8 now.
Slight refactorings and improvements.
Adding UTF-8/UTF-16 text files for ASE,obj,collada,ac3d. These contain various japanese/chinese character sequences.
Changing assimp_view's node view to display UTF-8 multibyte sequences correctly.
git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@469 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
- Added format auto-detection to most loaders
- Simplified BaseImporter::CanRead() with some utility methods
- improved fast_atof -> no overruns anymore. Fuck you, irrlicht.
- added assimp_cmd tool to allow command line model processing. Mainly adebugging tool for internal purposes, but others might find it useful, too.
- vc8/vc9: revision number is now written to DLL version header
- mkutil: some batch scripts to simplify tagging & building of release versions
- some API cleanup
- fixing some doxygen markup (+now explicit use of @file <filename>)
- Icon for assimp_view and assimp_cmd
3DS
- Normal vectors are not anymore inverted in some cases
- Improved pivot handling
- Improved handling of x-flipped meshes
Collada
- fixed a minor bug (visual_scene element)
LWS
- WIP implementation. No animations yet, some bugs and crashes.
- Animation system remains disabled, WIP code
- many test files for LWS, but most of them test the anim support, which is, read above, currently disabled.
STL
- fixing a log warning which appears for every model
- added binary&ascii test spider, exported from truespace
MD3
- Cleaning up output tags for automatically joined player models.
IRR
- Fixing coordinate system issues.
- Instance handling improved.
- Some of the reported crashes not yet fixed.
PretransformVertices
- Numerous performance improvements.
- Added config option to preserve the hierarchy during the step.
RemoveRedundantMaterials
- Added config option to specify a list of materials which are kept in every case.
UNREAL
- Added support for the old unreal data format (*.a,*.d,*.uc)
- tested only with exports from Milkshape
- more Unreal stuff to come soon
git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@356 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
