129 lines
3.7 KiB
Ucode
129 lines
3.7 KiB
Ucode
/**
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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* When you attach this class, make sure you don't have any other HeadTrackingComponent
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* That will create conflict. It will warn if it already has headtrackingcomponent
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*/
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class HeadTrackingComponent extends ActorComponent
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native(Anim);
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/** SkelControlLookAt name in the AnimTree of the SkeletalMesh **/
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var() array<name> TrackControllerName;
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/** Will pick up actor within this radius **/
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var() float LookAtActorRadius;
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/** Interp back to zero strength if limit surpassed */
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var() bool bDisableBeyondLimit;
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/** How long can one person to look at one **/
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var() float MaxLookAtTime;
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/** At least this time to look at one **/
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var() float MinLookAtTime;
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/** Once entered the radius, how long do I really care to look ? This affects rating. It will give benefit to the person who just entered **/
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var() float MaxInterestTime;
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/** Actor classes to look at as 0 index being the highest priority if you have anything specific **/
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var(Target) array< class<Actor> > ActorClassesToLookAt;
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/** Target Bone Names, where to look at - priority from top to bottom, if not found, it will continue search **/
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var(Target) array<name> TargetBoneNames;
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/** Actor to look at information **/
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struct native ActorToLookAt
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{
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var Actor Actor;
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var float Rating;
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var float EnteredTime;
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var float LastKnownDistance;
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var float StartTimeBeingLookedAt;
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var bool CurrentlyBeingLookedAt;
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};
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/** Array of actor information **/
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var private const transient native map{class AActor*,struct FActorToLookAt* } CurrentActorMap;
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/** SkeletalMeshComponent who owns this **/
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var SkeletalMeshComponent SkeletalMeshComp;
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/** Look at control **/
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var private transient array<SkelControlLookAt> TrackControls;
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/** Cached value for where mesh location/rotation is at this tick **/
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var private transient vector RootMeshLocation;
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var private transient rotator RootMeshRotation;
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cpptext
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{
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public:
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/** Enable/Disable HeadTracking **/
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void EnableHeadTracking(UBOOL bEnable);
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/**
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* Attaches the component to a ParentToWorld transform, owner and scene.
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* Requires IsValidComponent() == true.
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*/
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virtual void Attach();
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/**
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* Detaches the component from the scene it is in.
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* Requires bAttached == true
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*
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* @param bWillReattach TRUE is passed if Attach will be called immediately afterwards. This can be used to
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* preserve state between reattachments.
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*/
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virtual void Detach( UBOOL bWillReattach = FALSE );
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/**
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* Updates time dependent state for this component.
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* Requires bAttached == true.
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* @param DeltaTime - The time since the last tick.
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*/
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virtual void Tick(FLOAT DeltaTime);
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/** Clear list **/
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virtual void BeginDestroy();
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/** Make sure CurrentActorMap is referenced */
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void AddReferencedObjects( TArray<UObject*>& ObjectArray );
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private:
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/**
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* Update Acotr Map
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* returns # of actors in the map
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*/
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INT UpdateActorMap(FLOAT CurrentTime);
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/**
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* Find Best Candidate from the current listing
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*/
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FActorToLookAt * FindBestCandidate(FLOAT CurrentTime);
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/**
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* Update Head Tracking
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*/
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void UpdateHeadTracking(FLOAT DeltaTime);
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/**
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* Refresh Head Tracking Skel Control List
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*/
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void RefreshTrackControls();
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}
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defaultproperties
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{
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TrackControllerName.Add("HeadLook")
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TrackControllerName.Add("LeftEyeLook")
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TrackControllerName.Add("RightEyeLook")
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ActorClassesToLookAt.Empty
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MinLookAtTime = 3.f
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MaxLookAtTime = 5.f
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MaxInterestTime = 7.f
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LookAtActorRadius = 500.f
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TargetBoneNames.Empty
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TargetBoneNames.Add("b_MF_Head")
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TargetBoneNames.Add("b_MF_Neck")
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}
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