95 lines
2.7 KiB
Ucode
95 lines
2.7 KiB
Ucode
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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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* This class encapsulates a common interface to extract multiple animation data and blend it.
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*/
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class AnimNodeSequenceBlendBase extends AnimNodeSequence
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native(Anim)
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abstract;
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/**
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* Structure regrouping all we need to extract an animation.
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*/
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struct native AnimInfo
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{
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/** Animation Name */
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var const Name AnimSeqName;
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/**
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* Pointer to actual AnimSequence.
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* Found from SkeletalMeshComponent using AnimSeqName when you call SetAnim.
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*/
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var transient const AnimSequence AnimSeq;
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/**
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* Bone -> Track mapping info for this player node.
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* Index into the LinkupCache array in the AnimSet.
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* Found from AnimSet when you call SetAnim.
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*/
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var transient const int AnimLinkupIndex;
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};
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/**
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* Structure to define animation blending.
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*/
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struct native AnimBlendInfo
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{
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/** Name of animation sequence*/
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var() Name AnimName;
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/** Animation info */
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var AnimInfo AnimInfo;
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/** Weight i the blend */
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var transient float Weight;
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};
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/** Array of animations to blend */
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var(Animations) editfixedsize editinline export Array<AnimBlendInfo> Anims;
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cpptext
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{
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// UObject interface
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virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent);
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virtual void InitAnim(USkeletalMeshComponent* MeshComp, UAnimNodeBlendBase* Parent);
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/** Deferred Initialization, called only when the node is relevant in the tree. */
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virtual void DeferredInitAnim();
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/** AnimSets have been updated, update all animations */
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virtual void AnimSetsUpdated();
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/** make sure animations are up date */
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virtual void CheckAnimsUpToDate();
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/** Lookup animation data for a given animation name */
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void SetAnimInfo(FName InSequenceName, FAnimInfo& InAnimInfo);
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/** Extract animations and do the blend. */
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virtual void GetBoneAtoms(FBoneAtomArray& Atoms, const TArray<BYTE>& DesiredBones, FBoneAtom& RootMotionDelta, INT& bHasRootMotion, FCurveKeyArray& CurveKeys);
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/** Update animation usage **/
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virtual void UpdateAnimationUsage( FLOAT DeltaSeconds );
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/** Get AnimInfo total weight */
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FLOAT GetAnimInfoTotalWeight();
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/**
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* Resolve conflicts for blend curve weights if same morph target exists
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*
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* @param InChildrenCurveKeys Array of curve keys for children. The index should match up with Children.
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* @param OutCurveKeys Result output after blending is resolved
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*
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* @return Number of new addition to OutCurveKeys
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*/
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virtual INT BlendCurveWeights(const FArrayCurveKeyArray& InChildrenCurveKeys, FCurveKeyArray& OutCurveKeys);
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}
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defaultproperties
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{
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Anims(0)=(Weight=1.0)
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Anims(1)=()
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}
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