This is a trending crash in the 4.17 previews. Unfortunately users have not provided any descriptions of their actions when the crash occurred.
Source Context
464 FViewMatrices::FViewMatrices(const FSceneViewInitOptions& InitOptions) : FViewMatrices() 465 { 466 //check(InitOptions.ViewRotationMatrix.GetOrigin().IsNearlyZero()); 467 check(FVector::Distance(InitOptions.ViewRotationMatrix.GetScaleVector(), FVector::OneVector) < KINDA_SMALL_NUMBER); 468 469 ***** FVector LocalViewOrigin = InitOptions.ViewOrigin; 470 FMatrix ViewRotationMatrix = InitOptions.ViewRotationMatrix; 471 if (!ViewRotationMatrix.GetOrigin().IsNearlyZero(0.0f)) 472 { 473 LocalViewOrigin += ViewRotationMatrix.InverseTransformPosition(FVector::ZeroVector); 474 ViewRotationMatrix = ViewRotationMatrix.RemoveTranslation(); 475 }
Result:
Editor crashes upon entering last scale value
Expected:
Planar reflection scale is adjusted appropriately.
Assertion failed: FVector::Distance(InitOptions.ViewRotationMatrix.GetScaleVector(), FVector::OneVector) < KINDA_SMALL_NUMBER [File:D:\Build\++UE4+Release-4.17+Compile\Sync\Engine\Source\Runtime\Engine\Private\SceneView.cpp] [Line: 468] UE4Editor_Engine!FViewMatrices::FViewMatrices() [sceneview.cpp:470] UE4Editor_Engine!FSceneView::FSceneView() [sceneview.cpp:595] UE4Editor_Renderer!CreateSceneRendererForSceneCapture() [scenecapturerendering.cpp:421] UE4Editor_Renderer!FScene::UpdatePlanarReflectionContents() [planarreflectionrendering.cpp:408] UE4Editor_Renderer!FRendererModule::BeginRenderingViewFamily() [scenerendering.cpp:2036] UE4Editor_UnrealEd!FEditorViewportClient::Draw() [editorviewportclient.cpp:3396] UE4Editor_Engine!FViewport::Draw() [unrealclient.cpp:1198] UE4Editor_UnrealEd!UEditorEngine::UpdateSingleViewportClient() [editorengine.cpp:2030] UE4Editor_UnrealEd!UEditorEngine::Tick() [editorengine.cpp:1775] UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [unrealedengine.cpp:396] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3215] UE4Editor!GuardedMain() [launch.cpp:166] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134] UE4Editor!WinMain() [launchwindows.cpp:210] UE4Editor!__scrt_common_main_seh() [exe_common.inl:253] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-48038 in the post.