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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#include "Utility/GMS_Utility.h"
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#include "Chooser.h"
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#include "ChooserPropertyAccess.h"
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#include "PoseSearch/PoseSearchDatabase.h"
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#include "GameplayTagsManager.h"
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#include "IObjectChooser.h"
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#include "Animation/AnimInstance.h"
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#include "Components/SkeletalMeshComponent.h"
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#include "Engine/World.h"
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#include "GameFramework/Character.h"
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#include "GameFramework/HUD.h"
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#include "Animation/AnimSequenceBase.h"
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#include "Locomotions/GMS_AnimLayer.h"
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#include "Locomotions/GMS_MainAnimInstance.h"
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#include "Settings/GMS_SettingObjectLibrary.h"
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#include "Utility/GMS_Log.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(GMS_Utility)
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FString UGMS_Utility::NameToDisplayString(const FName& Name, const bool bNameIsBool)
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{
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return FName::NameToDisplayString(Name.ToString(), bNameIsBool);
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}
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float UGMS_Utility::GetAnimationCurveValueFromCharacter(const ACharacter* Character, const FName& CurveName)
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{
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const auto* Mesh{IsValid(Character) ? Character->GetMesh() : nullptr};
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const auto* AnimationInstance{IsValid(Mesh) ? Mesh->GetAnimInstance() : nullptr};
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return IsValid(AnimationInstance) ? AnimationInstance->GetCurveValue(CurveName) : 0.0f;
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}
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FGameplayTagContainer UGMS_Utility::GetChildTags(const FGameplayTag& Tag)
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{
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return UGameplayTagsManager::Get().RequestGameplayTagChildren(Tag);
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}
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FName UGMS_Utility::GetSimpleTagName(const FGameplayTag& Tag)
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{
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const auto TagNode{UGameplayTagsManager::Get().FindTagNode(Tag)};
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return TagNode.IsValid() ? TagNode->GetSimpleTagName() : NAME_None;
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}
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bool UGMS_Utility::ShouldDisplayDebugForActor(const AActor* Actor, const FName& DisplayName)
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{
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const auto* World{IsValid(Actor) ? Actor->GetWorld() : nullptr};
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const auto* PlayerController{IsValid(World) ? World->GetFirstPlayerController() : nullptr};
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auto* Hud{IsValid(PlayerController) ? PlayerController->GetHUD() : nullptr};
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return IsValid(Hud) && Hud->ShouldDisplayDebug(DisplayName) && Hud->GetCurrentDebugTargetActor() == Actor;
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}
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float UGMS_Utility::CalculateAnimatedSpeed(const UAnimSequenceBase* AnimSequence)
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{
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if (AnimSequence == nullptr)
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{
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UE_LOG(LogGMS, Warning, TEXT("Passed invalid anim sequence"));
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return 0.0f;
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}
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const float AnimLength = AnimSequence->GetPlayLength();
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// Calculate the speed as: (distance traveled by the animation) / (length of the animation)
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const FVector RootMotionTranslation = AnimSequence->ExtractRootMotionFromRange(0.0f, AnimLength).GetTranslation();
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const float RootMotionDistance = RootMotionTranslation.Size2D();
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if (!FMath::IsNearlyZero(RootMotionDistance))
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{
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const float AnimationSpeed = RootMotionDistance / AnimLength;
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return AnimationSpeed;
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}
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UE_LOG(LogGMS, Warning, TEXT("Unable to Calculate animation speed for animation with no root motion delta (%s)."), *GetNameSafe(AnimSequence));
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return 0.0f;
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}
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UAnimSequence* UGMS_Utility::SelectAnimationWithFloat(const TArray<FGMS_AnimationWithDistance>& Animations, const float& ReferenceValue)
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{
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if (Animations.IsEmpty())
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{
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return nullptr;
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}
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float Delta = FLT_MAX; // 使用FLT_MAX来初始化Delta
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int32 Found = INDEX_NONE;
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for (int32 i = 0; i < Animations.Num(); i++)
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{
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// 计算与传入Float的绝对差值
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float TempDelta = FMath::Abs(ReferenceValue - Animations[i].Distance);
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// 如果当前的差值更小，则更新Delta和Found
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if (TempDelta < Delta)
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{
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Delta = TempDelta;
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Found = i;
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}
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}
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// 返回找到的动画或最后一个动画作为备选
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return (Found != INDEX_NONE) ? Animations[Found].Animation : Animations.Last().Animation;
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}
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bool UGMS_Utility::ValidatePoseSearchDatabasesChooser(const UChooserTable* ChooserTable, FText& OutMessage)
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{
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if (!IsValid(ChooserTable))
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{
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OutMessage = FText::FromName("Invalid ChooserTable");
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return false;
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}
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if (ChooserTable->GetContextData().Num() != 2)
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{
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OutMessage = FText::FromString(FString::Format(TEXT("ChooserTable({0}):Context is empty, and only allow 2 element!"), {*ChooserTable->GetName()}));
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return false;
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}
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if (ChooserTable->ResultType != EObjectChooserResultType::ObjectResult || ChooserTable->OutputObjectType != UPoseSearchDatabase::StaticClass())
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{
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OutMessage = FText::FromString(FString::Format(TEXT("ChooserTable({0}):Result type must be ObjectResult and the OutputObjectType must be PoseSearchDatabase."), {*ChooserTable->GetName()}));
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return false;
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}
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const FContextObjectTypeClass* Ctx1 = ChooserTable->GetContextData()[0].GetPtr<FContextObjectTypeClass>();
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bool bValidCtx1 = Ctx1 != nullptr && Ctx1->Class != nullptr && Ctx1->Class->IsChildOf(UGMS_MainAnimInstance::StaticClass());
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if (!bValidCtx1)
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{
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OutMessage = FText::FromString(FString::Format(
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TEXT("ChooserTable({0}): First context must be ContextObjectTypeClass and the class must be Subclass of UGMS_MainAnimInstance."), {*ChooserTable->GetName()}));
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return false;
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}
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const FContextObjectTypeClass* Ctx2 = ChooserTable->GetContextData()[1].GetPtr<FContextObjectTypeClass>();
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bool bValidCtx2 = Ctx2 != nullptr && Ctx2->Class != nullptr && Ctx2->Class->IsChildOf(UGMS_AnimLayer::StaticClass());
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if (!bValidCtx2)
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{
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OutMessage = FText::FromString(
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FString::Format(TEXT("ChooserTable({0}): Secondary context must be ContextObjectTypeClass and the class must be Subclass of UGMS_AnimLayer."), {*ChooserTable->GetName()}));
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return false;
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}
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return true;
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}
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bool UGMS_Utility::IsValidPoseSearchDatabasesChooser(const UChooserTable* ChooserTable)
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{
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if (!IsValid(ChooserTable))
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{
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return false;
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}
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if (ChooserTable->GetContextData().Num() != 2)
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{
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UE_LOG(LogGMS, Warning, TEXT("ChooserTable(%s):Context is empty, and only allow 2 element!"), *ChooserTable->GetName());
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return false;
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}
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if (ChooserTable->ResultType != EObjectChooserResultType::ObjectResult || ChooserTable->OutputObjectType != UPoseSearchDatabase::StaticClass())
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{
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UE_LOG(LogGMS, Warning, TEXT("ChooserTable(%s):Result type must be ObjectResult and the OutputObjectType must be PoseSearchDatabase."), *ChooserTable->GetName());
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return false;
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}
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const FContextObjectTypeClass* Ctx1 = ChooserTable->GetContextData()[0].GetPtr<FContextObjectTypeClass>();
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bool bValidCtx1 = Ctx1 != nullptr && Ctx1->Class != nullptr && Ctx1->Class->IsChildOf(UGMS_MainAnimInstance::StaticClass());
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if (!bValidCtx1)
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{
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UE_LOG(LogGMS, Warning, TEXT("ChooserTable(%s): First context must be ContextObjectTypeClass and the class must be Subclass of UGMS_MainAnimInstance."),
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*ChooserTable->GetName());
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return false;
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}
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const FContextObjectTypeClass* Ctx2 = ChooserTable->GetContextData()[1].GetPtr<FContextObjectTypeClass>();
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bool bValidCtx2 = Ctx2 != nullptr && Ctx2->Class != nullptr && Ctx2->Class->IsChildOf(UGMS_AnimLayer::StaticClass());
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if (!bValidCtx2)
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{
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GMS_LOG(Warning, "ChooserTable(%s): Secondary context must be ContextObjectTypeClass and the class must be Subclass of UGMS_AnimLayer.",
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*ChooserTable->GetName())
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return false;
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}
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return true;
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}
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TArray<UPoseSearchDatabase*> UGMS_Utility::EvaluatePoseSearchDatabasesChooser(const UGMS_MainAnimInstance* MainAnimInstance, const UGMS_AnimLayer* AnimLayerInstance,
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UChooserTable* ChooserTable)
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{
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TArray<UPoseSearchDatabase*> Ret;
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if (!IsValid(ChooserTable))
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{
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return Ret;
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}
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// Fallback single context object version
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FChooserEvaluationContext Context;
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Context.AddObjectParam(const_cast<UGMS_MainAnimInstance*>(MainAnimInstance));
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Context.AddObjectParam(const_cast<UGMS_AnimLayer*>(AnimLayerInstance));
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auto Callback = FObjectChooserBase::FObjectChooserIteratorCallback::CreateLambda([&Ret](UObject* InResult)
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{
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if (InResult && InResult->IsA(UPoseSearchDatabase::StaticClass()))
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{
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Ret.Add(Cast<UPoseSearchDatabase>(InResult));
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}
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return FObjectChooserBase::EIteratorStatus::Continue;
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});
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UChooserTable::EvaluateChooser(Context, ChooserTable, Callback);
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return Ret;
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}
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const UGMS_MovementSetUserSetting* UGMS_Utility::GetMovementSetUserSetting(const FGMS_MovementSetSetting& MovementSetSetting, TSubclassOf<UGMS_MovementSetUserSetting> DesiredClass)
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{
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if (!IsValid(DesiredClass))
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{
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return nullptr;
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}
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for (TObjectPtr<UGMS_MovementSetUserSetting> UserSetting : MovementSetSetting.UserSettings)
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{
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if (UserSetting->GetClass() == DesiredClass)
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{
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return UserSetting;
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}
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}
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return nullptr;
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}
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