80 lines
3.0 KiB
Ucode
80 lines
3.0 KiB
Ucode
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//=============================================================================
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// KFSkelControl_FootPlacement
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//=============================================================================
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// Based SkelControlFootPlacement, but with a few improvements (see vars)
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//=============================================================================
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// Killing Floor 2
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// Copyright (C) 2015 Tripwire Interactive LLC
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// -- Andrew "Strago" Ladenberger
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//=============================================================================
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class KFSkelControl_FootPlacement extends SkelControlFootPlacement
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native(Anim);
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/** Project foot onto floor. Avoids breaking the animation and allows for IK during walk */
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var(KFFootPlacement) bool bProjectOntoPlane;
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/** Interpolation speed when IK adjusted changes */
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var(KFFootPlacement) float InterpUpSpeed, InterpDownSpeed;
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/** Floor Normal, to do the traces for the feet. */
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var(KFFootPlacement) Vector FloorNormal;
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/** When LegAdjust is small ignore IK. Ideally, this should always trigger on flat surfaces */
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var(Performance) float MinAdjustment;
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/** If leg adjust from last frame is small, apply skip rate for traces */
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var(Performance) float MaxLegAdjustForSkipRate;
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/** <2 means no skip, 2 means every other frame, 3 means 1 out of three frames, etc */
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var const transient int SkipRateForLineTrace;
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/** How many times this component was ticked. */
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var const transient int UpdateTransformsCount;
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/** Most recent hit normal */
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var const transient vector HitNormal;
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/** Target Effector Location to interpolate to smoothly */
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var const transient float LegAdjust, LegAdjustInterp;
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/** Internal cached pointer to Owner */
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var const transient KFPawn PawnOwner;
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// debug
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var transient editoronly vector DebugStartLoc, DebugEndLoc, DebugIKLoc;
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cpptext
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{
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// USkelControlBase interface
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virtual void TickSkelControl(FLOAT DeltaSeconds, USkeletalMeshComponent* SkelComp);
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virtual void CalculateNewBoneTransforms(INT BoneIndex, USkeletalMeshComponent* SkelComp, TArray<FBoneAtom>& OutBoneTransforms);
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virtual void DrawSkelControl3D(const FSceneView* View, FPrimitiveDrawInterface* PDI, USkeletalMeshComponent* SkelComp, INT BoneIndex);
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virtual UBOOL LegLineCheckFast(const FVector& Start, const FVector& End, FVector& HitLocation, FVector& HitNormal, AActor* SourceActor);
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}
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defaultproperties
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{
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bProjectOntoPlane=true
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InterpUpSpeed=128.f
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InterpDownSpeed=128.f
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FloorNormal=(Z=1.f)
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EffectorLocationSpace=BCS_WorldSpace
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JointTargetLocationSpace=BCS_ParentBoneSpace
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JointAxis=AXIS_X
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MaxDownAdjustment=60.0
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// Lift the foot off the ground a bit (<= MAXFLOORDIST) to reduce clipping.
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// If set properly, UpdateFloorConform will choose not to pull down the mesh on even floor.
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// aka: the LegAdjust will be ~= 0 (erroring on neg)
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FootOffset=1.9f
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// performance
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MinAdjustment=1.8f
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MaxLegAdjustForSkipRate=100.f
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SkipRateForLineTrace=2
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// This is the value that GOW3 uses for its stretch limits
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StretchLimits=(X=0.95f,Y=1.33f)
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}
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