1. Epic GamesDeveloper
  3. MassNavigation

MassNavigation

API > API/Plugins

   
Name MassNavigation
Type Plugin
Part of Plugins MassAI
Location /Engine/Plugins/AI/MassAI/Source/MassNavigation/
Module Build Rules MassNavigation.Build.cs

Classes

Name Remarks
UMassMoveTargetFragmentInitializer Initializes the move target's location to the agents initial position.
UMassMovingAvoidanceProcessor Experimental: move using cumulative forces to avoid close agents
UMassNavigationObstacleGridProcessor Processor to update obstacle grid
UMassNavigationObstacleRemoverProcessor Deinitializer processor to remove avoidance obstacles from the avoidance obstacle grid
UMassNavigationObstacleTrait  
UMassNavigationSmoothHeightProcessor Updates entities height to move targets position smoothly. Does not update Off-LOD entities.
UMassNavigationSubsystem  
UMassObstacleAvoidanceTrait  
UMassOffLODNavigationProcessor Updates Off-LOD entities position to move targets position.
UMassSmoothOrientationProcessor Updates agent's orientation based on current movement.
UMassSmoothOrientationTrait  
UMassStandingAvoidanceProcessor Avoidance while standing.
UMassSteeringTrait  
UMassSteerToMoveTargetProcessor Processor for updating steering towards MoveTarget.

Structs

Name Remarks
FDebugContext  
FMassAvoidanceColliderFragment Fragment holding data for avoidance colliders
FMassAvoidanceEntitiesToIgnoreFragment  
FMassAvoidancePreventBackwardMovementTag Tag used to prevent avoidance from generating backward movements
FMassCircleCollider  
FMassGhostLocationFragment Ghost location used for standing navigation.
FMassInNavigationObstacleGridTag Tag to tell if the entity is in the navigation obstacle grid
FMassMoveTargetFragment Move target.
FMassMovingAvoidanceParameters  
FMassMovingSteeringParameters Steering related movement parameters.
FMassNavigationEdgesFragment  
FMassNavigationObstacleGridCellLocationFragment Cell location for dynamic obstacles
FMassNavigationObstacleItem  
FMassPillCollider  
FMassSmoothOrientationParameters  
FMassSmoothOrientationWeights  
FMassStandingAvoidanceParameters  
FMassStandingSteeringFragment Standing steering.
FMassStandingSteeringParameters  
FMassSteeringFragment Steering fragment.
FMassSteerToMoveTargetPreventSlowdownTag Tag used to prevent steering from generating a slowdown force.
FMassTargetLocation Target location used by tasks
FNavigationAvoidanceEdge Edge with normal
FNavigationRelevantFragment Fragment holding the registration handle to the navigation element created from a Mass entity.
FNavigationRelevantParameters Shared Fragment holding the properties defining how a given entity should affect navigation data

Interfaces

Name Remarks
IMassNavigationModule The public interface to this module.

Typedefs

Name Type Remarks Include Path
FNavigationObstacleHashGrid2D THierarchicalHashGrid2D< 2, 4, FMassNavigationObstacleItem >   MassNavigationSubsystem.h

Enums

Public

Name Remarks
EMassColliderType  
EMassMovementAction  
EMassNavigationObstacleFlags  

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
CurrentLaneChanged const FName   MassNavigationTypes.h  
FollowPointPathDone const FName   MassNavigationTypes.h  
FollowPointPathStart const FName   MassNavigationTypes.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

bool operator! ( EMassNavigationObstacleFlags E
)

   MassNavigationSubsystem.h  
  MassNavigationSubsystem.h  
  MassNavigationSubsystem.h  
  MassNavigationSubsystem.h  
  MassNavigationSubsystem.h  
  MassNavigationSubsystem.h  
  MassNavigationSubsystem.h  
  MassNavigationSubsystem.h  

FVector UE::MassNavigation::ClampVector ( const FVector Vec,
const FVector::FReal Mag
)

 Clamps vectors magnitude to Mag. MassNavigationUtils.h  

FVector UE::MassNavigation::ComputeMiterNormal ( const FVector NormalA,
const FVector NormalB
)

 Computes miter normal in XY plane from two neighbour edge normals. MassNavigationUtils.h  

bool UE::MassNavigation::Debug::DebugIsSelected ( const FMassEntityHandle Entity
)

   MassNavigationDebug.h  

FColor UE::MassNavigation::Debug::MixColors ( const FColor ColorA,
const FColor ColorB
)

   MassNavigationDebug.h  

FVector::FReal UE::MassNavigation::ExponentialSmoothingAngle ( const FVector::FReal Angle,
const FVector::FReal TargetAngle,
const FVector::FReal DeltaTime,
const FVector::FReal SmoothingTime
)

 Exponential smooth from current angle to target angle. Angles in radians. MassNavigationUtils.h  

FVector UE::MassNavigation::GetLeftDirection ( const FVector Forward,
const FVector Up
)

 Returns left direction from forward and up directions. MassNavigationUtils.h  

FVector::FReal UE::MassNavigation::GetYawFromDirection ( const FVector Direction
)

   MassNavigationUtils.h  

FQuat::FReal UE::MassNavigation::GetYawFromQuat ( const FQuat Rotation
)

 Calculates yaw angle from direction vector. MassNavigationUtils.h  

FVector::FReal UE::MassNavigation::LerpAngle ( const FVector::FReal AngleA,
const FVector::FReal AngleB,
const FVector::FReal T
)

 Linearly interpolates between two angles (in Radians). MassNavigationUtils.h  

FVector::FReal UE::MassNavigation::ProjectPtSeg ( const FVector2D Point,
const FVector2D Start,
const FVector2D End
)

 Projects a point to segment and returns the time interpolation value. MassNavigationUtils.h  

float UE::MassNavigation::Smooth ( const float X
)

 Returns the SmoothStep curve for X in range [0..1]. MassNavigationUtils.h  

double UE::MassNavigation::Smooth ( const double X
)

 Returns the SmoothStep curve for X in range [0..1]. MassNavigationUtils.h  

FVector::FReal UE::MassNavigation::WrapAngle ( const FVector::FReal Angle
)

 Wraps and angle to range -PI..PI. Angle in radians. MassNavigationUtils.h  

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