82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
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// Copyright PICO Technology Co., Ltd. All rights reserved.
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// This plugin incorporates portions of the Unreal® Engine. Unreal® is a trademark or registered trademark of Epic Games, Inc. in the United States of America and elsewhere.
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "PXR_MorphTargetsManager.h"
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#include "AnimationRuntime.h"
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#include "Engine/SkinnedAsset.h"
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#include "Engine/SkeletalMesh.h"
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void FPXRMorphTargetsManager::ResetMeshMorphTargetCurves(USkinnedMeshComponent* TargetMeshComponent)
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{
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if (TargetMeshComponent)
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{
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TargetMeshComponent->ActiveMorphTargets.Reset();
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if (TargetMeshComponent->GetSkinnedAsset())
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{
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TargetMeshComponent->MorphTargetWeights.SetNum(TargetMeshComponent->GetSkinnedAsset()->GetMorphTargets().Num());
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if (TargetMeshComponent->MorphTargetWeights.Num() > 0)
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{
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FMemory::Memzero(TargetMeshComponent->MorphTargetWeights.GetData(), TargetMeshComponent->MorphTargetWeights.GetAllocatedSize());
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}
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}
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else
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{
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TargetMeshComponent->MorphTargetWeights.Reset();
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}
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}
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}
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void FPXRMorphTargetsManager::UpdateMeshMorphTargets(USkinnedMeshComponent* TargetMeshComponent)
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{
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if (TargetMeshComponent && TargetMeshComponent->GetSkinnedAsset())
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{
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if (MeshMorphTargetCurves.Num() > 0)
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{
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FAnimationRuntime::AppendActiveMorphTargets(Cast<USkeletalMesh>(TargetMeshComponent->GetSkinnedAsset()), MeshMorphTargetCurves, TargetMeshComponent->ActiveMorphTargets, TargetMeshComponent->MorphTargetWeights);
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}
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}
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}
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void FPXRMorphTargetsManager::SetMeshMorphTargetValue(FName MorphTargetName, float Value)
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{
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float* CurveValPtr = MeshMorphTargetCurves.Find(MorphTargetName);
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bool bShouldAddToList = FPlatformMath::Abs(Value) > ZERO_ANIMWEIGHT_THRESH;
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if (bShouldAddToList)
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{
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if (CurveValPtr)
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{
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*CurveValPtr = Value;
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}
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else
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{
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MeshMorphTargetCurves.Add(MorphTargetName, Value);
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}
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}
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else
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{
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MeshMorphTargetCurves.Remove(MorphTargetName);
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}
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}
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float FPXRMorphTargetsManager::GetMeshMorphTargetValue(FName MorphTargetName) const
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{
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const float* CurveValPtr = MeshMorphTargetCurves.Find(MorphTargetName);
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if (CurveValPtr)
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{
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return *CurveValPtr;
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}
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else
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{
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return 0.0f;
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}
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}
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void FPXRMorphTargetsManager::EmptyMorphTargets()
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{
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MeshMorphTargetCurves.Empty();
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}
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