Changelog

Patch 1.5.3

• fix
  GearChanged event pins (PreviousGear, CurrentGear) not redirecting to OldGearIndex, NewGearIndex in existing blueprints
• fix
  Vehicle not yet initialized when Blueprint BeginPlay runs (GetInitializationState returning false), regression from 1.4
• fix
  [Wheel Reprojection] Projected wheel meshes colliding with the ground, holding the vehicle up on its wheel meshes instead of its suspension
• fix
  [Wheel Reprojection] "Connect to Bone" constraining the bone to the hidden wheel mesh instead of the projected mesh
• fix
  [Wheel Reprojection] Projected wheel mesh left behind after RemoveWheel or DestroyWheelMesh
• fix
  [Wheel Reprojection] Projected wheel mesh not updating after ChangeStaticMesh
• change
  [Wheel Reprojection] CamberCompressed/CamberDecompressed/ReprojectionSmoothAlpha defaults restored to 1.4 values
• change
  Excess suspension compression force now eases in over half the spring length past full compression instead of switching on instantly (reduces bouncing on fully compressed springs)
• change
  Merge VehicleSetup_HUD changes from AVS 1.4 branch
• fix
  BrakeLockSpeed locking wheels with no brakes, now only locks braking, handbrake, or driving wheels

  • Info: BrakeLockSpeed change in 1.5.2 was incorrect and allowed non-braking wheels to lock.
• fix
  Suspension pulling the vehicle toward the ground (and reversing tire friction) when rebound damping exceeded the spring force
• fix
  Suspension had no damping past full compression (regression from 1.5.0)
• INFO
  Optimization: Hitched trailers no longer send movement network updates that every client discarded
• fix
  Hitched trailers left behind when the towing vehicle teleports (TeleportVehicle, or a network correction over 30 m)
• fix
  TeleportVehicle misplacing physics wheels on scaled vehicles
• fix
  Vehicle lights not working, light controller Relations from 1.4 vehicles loading blank (regressed in 1.5.0)

  • Info: Vehicles re-saved in 1.5.0 - 1.5.2 already lost their Relations values and need them re-entered
• fix
  Light controller Relations not editable in the Details panel (regressed in 1.5.0)

Patch 1.5.2

• fix
  Center of mass component not working as expected, "Visualize Center of Mass" also not working
• fix
  AVS_CoreDefaults missing a hard reference and sometimes fails to be included in packaged builds, causing a crash on vehicle spawn
• fix
  Wheel trace offsets get cached incorrectly in rare cases when BodyInstance is not ready at spawn
• fix
  Automatically created wheel shapes not setting up blocking collisions
• fix
  "Connect to Bone" feature not creating correct bone constraints
• fix
  DebugHUD not being removed when vehicle possession ends
• fix
  Changing DisableSkeletalCollisions has no effect
• fix
  25 TPS ticking too slowly at certain frame rates (ie: 60 FPS = 20 TPS)
• fix
  AddWheel creates duplicate wheels meshes when WheelReprojection is enabled
• fix
  GetGear functions returning incorrectly for invalid indexes
• fix
  [Physics Wheel Mode] SetSpring functions not updating constraints
• fix
  TeleportVehicle function not working
• fix
  [Wheel Effects] Global Effects only checking creation requirements once, meaning effects such as skids likely never get created
• fix
  Engine RPM dropping to the gear's LowRPM when releasing throttle while in gear
• fix
  BrakeLockSpeed only locking driving and handbrake wheels instead of all wheels
• fix
  Engine RPM revving up and down too quickly while in neutral
• fix
  Automatic transmission downshifting to 1st gear instead of the next suitable gear
• fix
  AddWheelTraceIgnoreActor and TraceIgnoreActors having no effect on wheel traces
• change
  AVS_Vehicle constructor now includes ObjectInitializer (allow override of subobjects)
• change
  Added _API to CommonFunctions (allow references from external modules)
• change
  Renamed GetPluginVersion to GetAvsPluginVersion to avoid confusion
• INFO
  Optimization: Do not create WheelController until it's needed by physics wheels
• INFO
  Optimization: Reorder initialization to avoid repeated or unnecessary work
• INFO
  Info: Optimization work reduced average AVS vehicle creation overhead by approximately 35%, including a 49% reduction in AVS BeginPlay cost.

Patch 1.5.1

• fix
  Wheels behaving incorrectly on moving platforms
• fix
  Add missing C++ overrides for GearChanged, ShifterChanged, UpdateLightDecorations
• fix
  BeginPlay error caused by CameraPivot

Release 1.5.0

• new
  Full C++ conversion. Every line of blueprint code has been ported to C++. This was the bulk of the work and the reason this release took as long as it did.
• new
  New AVS_CameraPivot component. Set up complex camera behavior without building it from scratch each time - including how the camera reacts when the vehicle flips, G-force movement, trailing, lag, and so on.
• new
  New WheelEffects system. Effects are configured as an array of logic objects that can contain any custom code.

  • Old SurfaceEffects system removed, ported over as a new WheelEffect
  • BrakeSqueal wheel effect included as an example of custom C++ effect logic
  • Custom WheelEffect logic can also be written in Blueprints
• change
  Damping reworked. More stable at high speeds, no more instability around 140 MPH from velocity leakage.
• new
  Advanced: New override surface for custom drivetrain and physics force overrides. Users can now implement their own drivetrain and physics force logic.
• change
  Trailer networking improvements.

  • Adaptive send rate: trailers update more when needed, stop updating while resting.
• new
  Stats screen added: stat AVS
• change
  Component base class unification across the entire plugin
• INFO
  Info: All 1.4 releases from 1.4.4 onward consisted of changes backported from 1.5 development

Patch 1.4.6

• fix
  TraceChannel setup incorrectly, making it unusable
• fix
  Memory leak when not simulating physics
• fix
  VehicleSetup_HUD fps calculations now use safe divide, avoiding invalid values when delta time is not initialized
• new
  'BrakeLockSpeed' option, sets the speed at which the wheels will fully lock up to hold the vehicle still when brakes are fully engaged.
• new
  'DisableSkeletalCollisions' option, allows you to toggle the default behavior of AVS disabling skeletal collisions
• new
  'AddWheelTraceIgnoreActor' function, convenience function for adding actors to the trace ignore list on the wheel
• new
  Event "OnVehicleFlipped" that fires when the vehicle Up angle changes past "UpsideDownAngleThreshold" config
• new
  'GetIsUpsideDown' function, returns the current upside down state using 'UpsideDownAngleThreshold'
• new
  'bWheelsPushPhysics' option, allows you to toggle the default behavior of AVS wheels pushing physics actors/components. This fixes the teeter totter issue when using raycast wheels.
• change
  Improvements to trailer hitch networking (better support for joining clients, less network usage)
• change
  Improvements to wheel slip behavior

  • new
    'bWheelSpinEnabled' option, allows wheelspin visual behavior to be toggled per wheel
  • new
    Wheel output now includes 'Slip' and 'Slip2D' values for reading total and directional wheel slip

Patch 1.4.5

• fix
  Vehicles becoming stuck when stopped and in contact with something
• revert
  "Physics refusing to come out of sleep" fix from 1.4.4

  • This fix was misdiagnosed and the fix above was the correct fix
• change
  Separate SimData into it's own widget, so it can be reused inside other widgets

Patch 1.4.4

• new
  Option to set skid effect speed by surface type
• fix
  Physics refusing to come out of sleep causing vehicles to ignore inputs
• fix
  Trailers not hitching at the correct location when a vehicle is scaled
• fix
  Suspension aggressively flinging vehicle when it lands at an angle

Patch 1.4.3

• new
  'SteeringRecenterSpeed' option (The speed at which steering returns to zero)

  • Note: This will change steering behavior, unless you are using the default value for SteeringSpeed. Configure it after updating the plugin.
• change
  Debug menu now appears on clients as well, when "Display Debug Menu" is toggled
• fix
  Copy how epic sets up their root components to hopefully avoid future BP corruption bugs
• fix
  WheelConfig.WheelPrim not having a default value, causing compile issues in some cases

Patch 1.4.2

• INFO
  Unreal 5.4 Support, this patch is for UE5.4 only.

Patch 1.4.1

• new
  'GetIsSteerableWheel' for vehicle wheels
• new
  Implemented passive mode in wheel components
• change
  Add manual control over wheel brake torque amount (deprecated "BrakePressure" in Wheel in favor of this)
• change
  vehicle movement networking to use Unreal's replicated world time, instead of calculating times locally. This allows the state queue to more accurately drop late rpcs, decreasing jitter.
• change
  Improved suspension for physics wheel mode

  • Springs now work on wheels with no contact
  • Contact trace is now works the same as raycast wheels
• fix
  Wheel spinning in place when a vehicle is at rest
• fix
  Vehicles 'floating' around after going into network rest on clients
• fix
  Physics jitter when stationary and pressing an input
• fix
  NaN error and poor performance when not using a wheel mesh with raycast wheels
• fix
  Corrected return name on GetWheelRadius
• fix
  Suspension ignores contact normal, causing vehicle to move incorrectly. Thanks @Elitic

Release 1.4.0

• new
  Raycast wheel mode, supports runtime wheel mode switching
• new
  Passive Mode Vehicles now enter a passive mode while idling, which disables ticking
• new
  Suspension limits preview in VehicleSetupHUD
• change
  Resting now waits 3 seconds after entering the velocity threshold (to avoid RPC thrashing)
• change
  Network resting is now decoupled from local resting, but copies it's state
• change
  Reworked all suspension related code, large performance increase over 1.3
• change
  Physics wheels no longer use collision hits to detect contact (instead uses raycast)
• change
  TeleportVehicle now includes an option to maintain velocities relative to the vehicle chassis
• fix
  Network relevancy not being updated when not using a custom camera manager

Patch 1.3.3

• INFO
  Fix compiler issue on linux
• INFO
  Support for Unreal 5.1

Patch 1.3.2

• fix
  Update suspension to only use chaos transforms in calculations (Fix physics jittering and other weirdness)
• fix
  ChangeStaticMesh on Vehicle_Wheel causing physics errors after toggling physics off/on (Fixed contact modification not updating)
• fix
  Suspension downforce not working when vehicle is upside down
• change
  Updated VehicleSetupHUD to show Vehicle Mass and Physics tick rate.
• change
  Updated VehicleSetupHUD coloring to help with readability
• change
  Moved some wheel specific code out of AVS_Vehicle and into Vehicle_Wheel

Patch 1.3.1

• fix
  Occasional physics thread error on vehicle initialization (Fixed race condition between vehicle init and physics thread)
• fix
  Wheels go to sleep and don't follow vehicle when in network rest mode
• change
  Suspension damper updated to be more realistic
• change
  Suspension damper (Shock Absorption) now uses kNs/m (Kilonewton second per meter) as units

Release 1.3.0

• INFO
  UE5/Chaos Port

Patch 1.2.8

• change
  Resting now waits 3 seconds after entering the velocity threshold (to avoid RPC thrashing)
• change
  Network resting is now decoupled from local resting, but copies it's state
• new
  Passive Mode Vehicles now enter a passive mode while idling, which disables ticking and sets network dormancy
• INFO
  the following backported from 1.3.x-
• INFO
  Fix network relevancy not being updated when not using a custom camera manager
• INFO
  Fix gear struct variables not being initialized properly, causing warnings while packaging
• INFO
  Fix linux compiler issue
• INFO
  Update plugin structure to be compliant with BuildSettings.V2
• INFO
  Add GetUnrealEngineVersion function
• INFO
  Update VehicleSetup_HUD similar to the UE5 version (Add VehicleMass, PhysicsState, UnrealVersion)
• INFO
  Add "PreviewInEditor" setting in wheels, used to preview wheel travel
• INFO
  Add "RollingResistance" setting in wheels

Patch 1.2.7

• new
  Experimental Feature: WheelReprojectionCamber, adds on to the wheel reprojection feature allowing cosmetic wheel camber
• fix
  Revert change to PostPhysics tick group as default (PostPhysics causes issues with network replication)
• change
  VehicleSetupHUD now shows Handbrake input

Patch 1.2.6

• new
  Stability Control System, attempts to keep vehicle aligned with direction of travel (disabled by default)
• new
  By request, helper function to destroy components owned by the AVS_Vehicle
• new
  Network options for syncing location/rotation individually, can be changed during runtime
• new
  Support for cinematics in Unreal 4.26+ (Requires wheel meshes to be added manually when setting up vehicles)
• change
  ChangedGear function now receives Previous and Current gear values (useful for checking shift direction)
• change
  Removed "LinearDrag" option, now just uses the Linear Damping from VehicleMesh directly
• fix
  Wheels not working correctly while detached when using the "Prevent Wheel Clipping" setting
• fix
  Errors on dedicated servers related to wheel controllers
• fix
  Vehicle suspension raising/dropping when pressing the throttle while the "Dynamic Air Drag" setting is enabled
• fix
  VehicleMesh physics never go to sleep (performance improvements)
• fix
  Host client sending double inputs (network improvements)
• fix
  UpdateWheelLocks being called more than necessary (performance improvements)
• fix
  Wheel properties not being properly applied to manually added wheel meshes

Patch 1.2.5

• new
  Vehicle_Wheel can now change location/rotation at runtime easily using the SetWheelPosition function
• new
  Automatic Shifter Position, automatically changes PRND based on current vehicle inputs
• new
  Combined function for Throttle and Brake called SetThrottleAndBrakeInput, Negative throttle used as brake, brake as reverse when Automatic Shifter Position is enabled
• new
  ChangedGear event
• new
  New option "Prevent Wheels Clipping" that prevents wheels from getting stuck in the ground or under objects
• fix
  UpdateLightDecorations function changed from private to protected, as it's intended to be overridden
• fix
  Dedicated server error spam related to wheel particles
• fix
  Various improvements to access specifiers

Patch 1.2.4

• fix
  MP: Client vehicles being flung when physics gets enabled in certain circumstances
• fix
  Vehicle_Wheel ChangeStaticMesh function failing when called after construction but before onBeginPlay (such as in onRep functions)

Patch 1.2.3

• new
  EXPERIMENTAL FEATURE - Wheel Reprojection, fixes wheels 'tilting' in high friction/weight scenarios

  • Note: Does not currently work with Adding/Removing wheels, or wheel detachment. Possibly broken with other features enabled
• new
  Zero throttle while shifting config setting
• change
  VehicleSetupHUD now shows the internally used speed unit instead of MPH
• change
  Added acceleration to the VehicleSetupHUD, and made many back end improvements
• change
  Added Vehicle Hitch to the correct category in the component menu
• change
  Added/Updated function descriptions related to the 1.2 update
• fix
  Removed "Host Trailer Rotation" from showing in the config
• fix
  Access error after killing a trailer that is hitched to a vehicle
• fix
  Error spam for engine and skid sounds on dedicated servers
• fix
  "No mesh detected!" error showing incorrectly when duplicating wheels in the editor
• INFO
  Removed various sections of old code

Patch 1.2.2

• fix
  Wheels being in the wrong location on skeletal meshes

Patch 1.2.1

• fix
  Compile error due to private function in Vehicle_Hitch

Release 1.2.0

• fix
  GetCurrentSteeringInput's output name being "AirSpeed" instead of "SteeringInput"
• fix
  All spotlights connected to vehicle incorrectly getting their visibility set to false during onBeginPlay
• fix
  SpeedUnit incorrectly showing in config (Is used internally only)
• fix
  Divide by Zero error on vehicles with no driving wheels (like trailers)
• fix
  Engine not starting on clients on vehicles with no engine audio
• fix
  LightControllers not being marked active when used with no light sources
• fix
  Possible Editor crash when reordering components in a vehicle blueprint
• change
  GetPluginVersion now reads directly from the Plugin info
• change
  Ignition sound now plays on all clients (EngineRunning is now networked differently)
• change
  Lights System now supports all light types (as opposed to just spotlights)
• change
  Neutral gear now properly calculates independent of wheel speed
• change
  EngineRunning now defaults to false
• change
  Movement synchronization is now smoothed, new option for smoothing amount
• change
  Vehicles now limit their max angular velocity, added corresponding setting in "Vehicle - Physics"
• new
  Trailer Support and Hitching system
• new
  Added network rest states for significantly better network performance
• new
  Functions for Adding/Removing Wheels at runtime
• new
  Function for offsetting custom center of mass
• new
  Options to Start with Physics (default true), Start with Engine Running (default false)

Patch 1.1.1

• new
  Wheel effects now support different surfaces
• new
  Config for unit of speed used internally
• new
  GetAcceleration node (returns change of speed per second)
• fix
  Rare full desync on clients caused by the network owner changing
• fix
  Fixed throttle sticking when unpossessing a vehicle (Previous fix only worked in singleplayer)
• change
  Updated vehicle setup HUD with better layout and now shows default values instead of 0
• INFO
  Experimental: Added experimental option to limit acceleration to (SelectedSpeedUnit per Second)

Release 1.1.0

• new
  Unreal 4.25 Support
• new
  Wheel Effects! Skid Marks, Smoke, Sound Effects!
• new
  Support for overriding/controlling torque and speed on a per wheel basis
• fix
  VehicleSetup_HUD breaking vehicles onBeginPlay (due to a change in UE4.23)
• fix
  GetRotationSpeed output name
• fix
  Wheel meshes that had their scale changed would report the wrong radius causing vehicles to be over/underpowered

Patch 1.0.2

• new
  Proper input functions, deprecated input nodes now link to this internally
• new
  Added GetPluginVersion function
• new
  Option for DynamicAirDrag, instead of always being on
• new
  Added new component for editing and visualizing center of mass
• change
  Wheel variables now initialize during construction instead of onBeginPlay
• change
  Default steering curve now has a higher minimum steering percent (0.3 vs 0.1)
• change
  Netcode now takes latency into account when syncing physics, making it much smoother
• change
  Renamed some wheel detach/attachment nodes to make their use more clear. Old nodes still exist and are marked as deprecated.
• change
  DynamicAirDrag now allows editing the default Drag
• change
  DynamicAirDrag now aggressively applies drag when not moving to prevent unwanted movements
• fix
  Clamped throttle and brake inputs to prevent controllers doubling inputs
• fix
  Stutter every 5 seconds or so on clients when replicating
• fix
  Some config variables unable to be changed on UE4.24
• fix
  Engine Audio component throwing errors on dedicated servers
• fix
  Brakes/Throttle inputs stuck when unpossessing vehicle

Patch 1.0.1

• INFO
  Initial marketplace launch
• INFO
  Fixed compile error

Release 1.0.0

• INFO
  Release Video