68 lines
1.7 KiB
Ucode
68 lines
1.7 KiB
Ucode
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/**
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* when this node becomes relevant, it selects an animation from its list based on the rotation of
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* the given bone relative to the rotation of the owning actor
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*
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class UDKAnimNodeSequenceByBoneRotation extends AnimNodeSequence;
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/** bone whose direction should be tested */
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var() name BoneName;
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/** axis of that bone to check */
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var() EAxis BoneAxis;
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/** list of animations to choose from */
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struct AnimByRotation
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{
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/** desired rotation of the bone to play this animation */
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var() rotator DesiredRotation;
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/** the animation to play */
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var() name AnimName;
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};
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var() array<AnimByRotation> AnimList;
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event OnBecomeRelevant()
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{
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local vector BoneDirection;
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local int i;
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local float Diff, BestDiff;
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local name BestAnim;
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if (SkelComponent.Owner == None)
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{
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`warn("SkeletalMeshComponent has no Owner");
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}
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else if (BoneAxis == AXIS_NONE || BoneAxis == AXIS_BLANK)
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{
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`warn("Invalid Axis specified");
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}
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else
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{
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// get the bone's rotation relative to the owning actor
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BoneDirection = SkelComponent.GetBoneAxis(BoneName, BoneAxis) >> SkelComponent.Owner.Rotation;
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// find the animation in the list whose rotation is closest to the bone's
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BestDiff = -1.0;
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for (i = 0; i < AnimList.length; i++)
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{
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Diff = BoneDirection Dot vector(AnimList[i].DesiredRotation);
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if (Diff > BestDiff)
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{
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BestAnim = AnimList[i].AnimName;
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BestDiff = Diff;
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}
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}
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// set to the best animation and make sure it starts from the beginning
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SetAnim(BestAnim);
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SetPosition(0.0f, false);
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}
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}
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defaultproperties
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{
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BoneAxis=AXIS_X
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bCallScriptEventOnBecomeRelevant=TRUE
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}
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