Importing an Alembic File with "Skip Empty Frames at the Start of Alembic Sequence" Enabled Causes Crash.
Found in 4.20 Preview 5 CL# 4173640 and 4.21 CL# 4207835
Results:
The engine will crash
Expected:
The alembic file would be imported
[Link Removed]
Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\Main\Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 611] Array index out of bounds: 2258 from an array of size 2256 UE4Editor_Core!FDebug::AssertFailed() [d:\main\engine\source\runtime\core\private\misc\assertionmacros.cpp:425] UE4Editor_AlembicLibrary!AbcImporterUtilities::GenerateSmoothingGroupsIndices() [d:\main\engine\plugins\experimental\alembicimporter\source\alembiclibrary\private\abcimportutilities.cpp:737] UE4Editor_AlembicLibrary!FAbcPolyMesh::SetFrameAndTime() [d:\main\engine\plugins\experimental\alembicimporter\source\alembiclibrary\private\abcpolymesh.cpp:165] UE4Editor_AlembicLibrary!FAbcFile::ReadFrame() [d:\main\engine\plugins\experimental\alembicimporter\source\alembiclibrary\private\abcfile.cpp:355] UE4Editor_AlembicLibrary!<lambda_a39ac5b1e2ade9df8718ce618b286a9d>::operator()() [d:\main\engine\plugins\experimental\alembicimporter\source\alembiclibrary\private\abcfile.cpp:398] UE4Editor_AlembicLibrary!FParallelForData::Process() [d:\main\engine\source\runtime\core\public\async\parallelfor.h:134] UE4Editor_AlembicLibrary!TGraphTask<FParallelForTask>::ExecuteTask() [d:\main\engine\source\runtime\core\public\async\taskgraphinterfaces.h:829] UE4Editor_Core!FTaskThreadAnyThread::ProcessTasks() [d:\main\engine\source\runtime\core\private\async\taskgraph.cpp:936] UE4Editor_Core!FTaskThreadAnyThread::ProcessTasksUntilQuit() [d:\main\engine\source\runtime\core\private\async\taskgraph.cpp:801] UE4Editor_Core!FTaskThreadBase::Run() [d:\main\engine\source\runtime\core\private\async\taskgraph.cpp:516] UE4Editor_Core!FRunnableThreadWin::Run() [d:\main\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:76]
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4 |
Component | OLD - Anim |
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Affects Versions | 4.20, 4.21 |
Target Fix | 4.21 |
Created | Jul 13, 2018 |
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Resolved | Oct 22, 2018 |
Updated | Nov 8, 2018 |