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#rb none #lockdown Nick.Penwarden #ROBOMERGE-OWNER: ryan.gerleve #ROBOMERGE-AUTHOR: ben.marsh #ROBOMERGE-SOURCE: CL 4662404 in //UE4/Main/... #ROBOMERGE-BOT: ENGINE (Main -> Dev-Networking) [CL 4662413 by ben marsh in Dev-Networking branch]
118 lines
3.4 KiB
C++
118 lines
3.4 KiB
C++
// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Animation/AnimInstanceProxy.h"
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#include "AnimNodes/AnimNode_SequenceEvaluator.h"
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#include "AnimNodes/AnimNode_ApplyAdditive.h"
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#include "AnimNodes/AnimNode_MultiWayBlend.h"
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#include "AnimSequencerInstanceProxy.generated.h"
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/** Base class for all 'players' that can attach to and be blended into a sequencer instance's output */
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struct FSequencerPlayerBase
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{
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public:
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FSequencerPlayerBase()
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: PoseIndex(INDEX_NONE)
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, bAdditive(false)
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{}
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template<class TType>
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bool IsOfType() const
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{
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return IsOfTypeImpl(TType::GetTypeId());
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}
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/** Virtual destructor. */
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virtual ~FSequencerPlayerBase() { }
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public:
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/** Index of this players pose in the set of blend slots */
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int32 PoseIndex;
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/** Whether this pose is additive or not */
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bool bAdditive;
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protected:
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/**
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* Checks whether this drag and drop operation can cast safely to the specified type.
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*/
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virtual bool IsOfTypeImpl(const FName& Type) const
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{
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return false;
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}
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};
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/** Quick n dirty RTTI to allow for derived classes to insert nodes of different types */
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#define SEQUENCER_INSTANCE_PLAYER_TYPE(TYPE, BASE) \
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static const FName& GetTypeId() { static FName Type(TEXT(#TYPE)); return Type; } \
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virtual bool IsOfTypeImpl(const FName& Type) const override { return GetTypeId() == Type || BASE::IsOfTypeImpl(Type); }
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/** Player type that evaluates a sequence-specified UAnimSequence */
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struct FSequencerPlayerAnimSequence : public FSequencerPlayerBase
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{
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SEQUENCER_INSTANCE_PLAYER_TYPE(FSequencerPlayerAnimSequence, FSequencerPlayerBase)
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struct FAnimNode_SequenceEvaluator PlayerNode;
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};
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/** Proxy override for this UAnimInstance-derived class */
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USTRUCT()
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struct ANIMGRAPHRUNTIME_API FAnimSequencerInstanceProxy : public FAnimInstanceProxy
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{
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GENERATED_BODY()
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public:
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FAnimSequencerInstanceProxy()
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{
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}
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FAnimSequencerInstanceProxy(UAnimInstance* InAnimInstance)
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: FAnimInstanceProxy(InAnimInstance)
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{
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}
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virtual ~FAnimSequencerInstanceProxy();
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// FAnimInstanceProxy interface
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virtual void Initialize(UAnimInstance* InAnimInstance) override;
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virtual bool Evaluate(FPoseContext& Output) override;
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virtual void UpdateAnimationNode(float DeltaSeconds) override;
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/** Update an animation sequence player in this instance */
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void UpdateAnimTrack(UAnimSequenceBase* InAnimSequence, uint32 SequenceId, float InPosition, float Weight, bool bFireNotifies);
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/** Reset all nodes in this instance */
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virtual void ResetNodes();
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protected:
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/** Find a player of a specified type */
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template<typename Type>
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Type* FindPlayer(uint32 SequenceId) const
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{
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FSequencerPlayerBase* Player = SequencerToPlayerMap.FindRef(SequenceId);
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if (Player && Player->IsOfType<Type>())
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{
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return static_cast<Type*>(Player);
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}
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return nullptr;
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}
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/** Construct and link the base part of the blend tree */
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void ConstructNodes();
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/** custom root node for this sequencer player. Didn't want to use RootNode in AnimInstance because it's used with lots of AnimBP functionality */
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struct FAnimNode_ApplyAdditive SequencerRootNode;
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struct FAnimNode_MultiWayBlend FullBodyBlendNode;
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struct FAnimNode_MultiWayBlend AdditiveBlendNode;
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/** mapping from sequencer index to internal player index */
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TMap<uint32, FSequencerPlayerBase*> SequencerToPlayerMap;
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void InitAnimTrack(UAnimSequenceBase* InAnimSequence, uint32 SequenceId);
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void EnsureAnimTrack(UAnimSequenceBase* InAnimSequence, uint32 SequenceId);
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void ClearSequencePlayerMap();
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};
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