A crash occurs when you add/drag a skeletal mesh with Apex clothing into the scene. The user reporting the issue managed to find where the crash occurs and added a comment for assistance where to look.
"The crash happens inside ApexClothingUtils::GenerateMeshToMeshSkinningData, in a call to GetPointBaryAndDist with the points passed being all equal. This causes a check to fail in FMath::ComputeBaryCentric2D because the points are colinear."
Crash Reporter:
[Link Removed]
Original JIRA:
[Link Removed]
1. Open attached project.
2. Drag Characters/Ship/Human/Sloop_01/Mesh/SK_Human_Sloop_01 into the level
Outcome
Crash Occurs
Expected
No crash
UE4Editor_Core!FMath::ComputeBaryCentric2D() unrealmath.cpp:1978 UE4Editor_UnrealEd!ApexClothingUtils::GetPointBaryAndDist() apexclothingutils.cpp:2260 UE4Editor_UnrealEd!ApexClothingUtils::GenerateMeshToMeshSkinningData() apexclothingutils.cpp:2239 UE4Editor_UnrealEd!ApexClothingUtils::AssociateClothingAssetWithSkeletalMesh() apexclothingutils.cpp:868 UE4Editor_UnrealEd!ApexClothingUtils::ImportClothingSectionFromClothingAsset() apexclothingutils.cpp:1557 UE4Editor_UnrealEd!ApexClothingUtils::ReapplyClothingDataToSkeletalMesh() apexclothingutils.cpp:1943 UE4Editor_UnrealEd!ApexClothingUtils::ReapplyClothingDataToSkeletalMesh() apexclothingutils.cpp:1848 UE4Editor_Engine!USkeletalMesh::Serialize() skeletalmesh.cpp:3075 UE4Editor_CoreUObject!FLinkerLoad::Preload() linkerload.cpp:3414 UE4Editor_CoreUObject!EndLoad() uobjectglobals.cpp:1556 UE4Editor_CoreUObject!LoadPackageInternalInner() uobjectglobals.cpp:1281 UE4Editor_CoreUObject!LoadPackage() uobjectglobals.cpp:1437 UE4Editor_CoreUObject!ResolveName() uobjectglobals.cpp:722 UE4Editor_CoreUObject!StaticLoadObjectInternal() uobjectglobals.cpp:809 UE4Editor_CoreUObject!StaticLoadObject() uobjectglobals.cpp:869 UE4Editor_UnrealEd!FAssetData::GetAsset() assetdata.h:223 UE4Editor_UnrealEd!FAssetDragDropOp::Init() assetdragdropop.cpp:149 UE4Editor_UnrealEd!FAssetDragDropOp::New() assetdragdropop.cpp:26 UE4Editor_ContentBrowser!SAssetView::OnDraggingAssetItem() sassetview.cpp:3691 UE4Editor_ContentBrowser!TMemberFunctionCaller<SAssetView,FReply() delegateinstanceinterface.h:161 UE4Editor_ContentBrowser!TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SAssetView,FReply() tuple.h:116 UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SAssetView,0,FReply __cdecl() delegateinstancesimpl.h:318 UE4Editor_ContentBrowser!TBaseDelegate<FReply,FGeometry const & __ptr64,FPointerEvent const & __ptr64>::Execute() delegatesignatureimpl.inl:522 UE4Editor_ContentBrowser!STableRow<TSharedPtr<FAssetViewItem,0> >::OnDragDetected() stablerow.h:564 UE4Editor_Slate!<lambda_6a882dc395ae961f6deaba2e445a5a9a>::operator() slateapplication.cpp:5122 UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FDirectPolicy,FPointerEvent,<lambda_6a882dc395ae961f6deaba2e445a5a9a> >() slateapplication.cpp:215 UE4Editor_Slate!FSlateApplication::RoutePointerMoveEvent() slateapplication.cpp:5120 UE4Editor_Slate!FSlateApplication::ProcessMouseMoveEvent() slateapplication.cpp:5653 UE4Editor_Slate!FSlateApplication::OnMouseMove() slateapplication.cpp:5592 UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() windowsapplication.cpp:1693 UE4Editor_Core!FWindowsApplication::DeferMessage() windowsapplication.cpp:2071 UE4Editor_Core!FWindowsApplication::ProcessMessage() windowsapplication.cpp:814 UE4Editor_Core!FWindowsApplication::AppWndProc() windowsapplication.cpp:678 user32!<Unknown> user32!<Unknown> UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() windowsplatformmisc.cpp:951 UE4Editor!FEngineLoop::Tick() launchengineloop.cpp:2811 UE4Editor!GuardedMain() launch.cpp:152 UE4Editor!GuardedMainWrapper() launchwindows.cpp:126 UE4Editor!WinMain() launchwindows.cpp:202 UE4Editor!__scrt_common_main_seh() exe_common.inl:264 kernel32!<Unknown> ntdll!<Unknown>
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| 1 |
| Component | UE - Simulation - Physics - Character |
|---|---|
| Affects Versions | 4.15 |
| Target Fix | 4.15 |
| Created | Jan 25, 2017 |
|---|---|
| Resolved | Jan 26, 2017 |
| Updated | Apr 27, 2018 |