SetHitResultFromShapeAndFaceIndex crash

Physics - Nov 15, 2019

SetHitResultFromShapeAndFaceIndex calls  if(PxMaterial* PxMat = PShape->getMaterialFromInternalFaceIndex(FaceIndex)) { OutResult.PhysMaterial = FPhysxUserData::Get<UPhysicalMaterial>(PxMat->userD ...

Unexpected Phat constraint skeleton tree search behavior

Physics - Nov 14, 2019

The skeleton tree search does not search for constraints based off of their full displayed name in the tree. Only their second bone name is used when filtering (despite portions of their full name s ...

Client Build Errors with VS 2019

Physics - Nov 11, 2019

When building UE 4.23 from source using VS 2019, there are compile errors when building the Targets DebugGame Client and Development Client. Note that Debug Client builds successfully. The errors ar ...

SetCollisionEnabled shouldn't check owner

Physics - Nov 8, 2019

Attempting to set the collision of a component to NoCollision while the actor's collision is disabled will prevent the component's collision from changing. This is because of the early exit in UPrim ...

PhysX Clang Builds Broken

Physics - Nov 5, 2019

Clang physx builds in 4.23 seem to be broken due to a change of GuPersistentContactManifold.h including #pragma warning and no longer ending in a new line. ...

Vehicles with at least one kinematic collision do not function anymore

Physics - Oct 30, 2019

Using at least one source of kinematic collision on a vehicle causes animations or movement to not function any longer. This issue persists on child bones and collisions as well. Users are unable to ...

Overlap Issues using Tick Interval and Dedicated Server

Physics - Oct 28, 2019

When using a dedicated server and a class with an explicit Tick Interval set, if the class' overlaps are updated in the begin overlap event, in a non-consequential way(changing collision profile in ...

SkeletalMeshSimulationComponent does not work

Physics - Oct 28, 2019

SkeletalMeshSimulationComponent does not effect the simulation of geometry collections to interact with skeletal meshes and setting the component to dynamic results in a crash. ...

Crash Creating Geometry Collection on Windows 7

Physics - Oct 24, 2019

Crashing on windows 7 when trying to create a geometry collection or opening the chaos destruction demo. Breaking on D3D11Util.cpp: Line 249 UE_LOG(LogD3D11RHI, Fatal,TEXT("%s failed \n at %s:%u \n ...

Cannot change Collision Profile of BP component instances

Physics - Oct 24, 2019

BP instances placed in level cannot have their components' collision profiles modified to anything other than default and custom. Note that this did not occur in 4.22 (after applying the separate ...