// Copyright 2025 https://yuewu.dev/en  All Rights Reserved.

#include "GMS_MovementSystemComponent.h"
#include "GameFramework/Pawn.h"
#include "Engine/World.h"
#include "TimerManager.h"
#include "GameplayTagAssetInterface.h"
#include "GameFramework/Actor.h"
#include "GameFramework/Pawn.h"
#include "Animation/AnimInstance.h"
#include "Misc/DataValidation.h"
#include "Net/Core/PushModel/PushModel.h"
#include "Net/UnrealNetwork.h"
#include "Settings/GMS_SettingObjectLibrary.h"
#include "Utility/GMS_Log.h"
#include "Utility/GMS_Math.h"
#include "Utility/GMS_Vector.h"

#include UE_INLINE_GENERATED_CPP_BY_NAME(GMS_MovementSystemComponent)

UGMS_MovementSystemComponent::UGMS_MovementSystemComponent(const FObjectInitializer& ObjectInitializer) : Super(ObjectInitializer)
{
	PrimaryComponentTick.bCanEverTick = true;
	bWantsInitializeComponent = true;
}

void UGMS_MovementSystemComponent::PostLoad()
{
	Super::PostLoad();
#if WITH_EDITOR
	PRAGMA_DISABLE_DEPRECATION_WARNINGS
	if (!MovementDefinitions.IsEmpty())
	{
		MovementDefinition = MovementDefinitions.Last();
		MovementDefinitions.Empty();
	}
	PRAGMA_ENABLE_DEPRECATION_WARNINGS
#endif
}

void UGMS_MovementSystemComponent::InitializeComponent()
{
	Super::InitializeComponent();

	OwnerPawn = Cast<APawn>(GetOwner());

	check(OwnerPawn)

	if (OwnerPawn)
	{
		// Set some default values here to ensure that the animation instance and the
		// camera component can read the most up-to-date values during their initialization.
		SetReplicatedViewRotation(OwnerPawn->GetViewRotation().GetNormalized(), false);

		ViewState.Rotation = ReplicatedViewRotation;
		ViewState.PreviousYawAngle = UE_REAL_TO_FLOAT(OwnerPawn->GetViewRotation().Yaw);

		const auto YawAngle{UE_REAL_TO_FLOAT(OwnerPawn->GetActorRotation().Yaw)};

		LocomotionState.InputYawAngle = YawAngle;
		LocomotionState.VelocityYawAngle = YawAngle;
	}
}

void UGMS_MovementSystemComponent::BeginPlay()
{
	Super::BeginPlay();
	if (GetOwner()->GetClass()->ImplementsInterface(UGameplayTagAssetInterface::StaticClass()))
	{
		SetGameplayTagsProvider(GetOwner());
	}
	else
	{
		TArray<UActorComponent*> Components = GetOwner()->GetComponentsByInterface(UGameplayTagAssetInterface::StaticClass());
		if (Components.IsValidIndex(0))
		{
			SetGameplayTagsProvider(Components[0]);
		}
	}
}

void UGMS_MovementSystemComponent::GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const
{
	Super::GetLifetimeReplicatedProps(OutLifetimeProps);

	FDoRepLifetimeParams Parameters;
	Parameters.bIsPushBased = true;

	Parameters.Condition = COND_SkipOwner;

	DOREPLIFETIME_WITH_PARAMS_FAST(ThisClass, LocomotionMode, Parameters)
	DOREPLIFETIME_WITH_PARAMS_FAST(ThisClass, OverlayMode, Parameters)
	DOREPLIFETIME_WITH_PARAMS_FAST(ThisClass, MovementSet, Parameters)
	DOREPLIFETIME_WITH_PARAMS_FAST(ThisClass, MovementDefinition, Parameters)

	DOREPLIFETIME_WITH_PARAMS_FAST(ThisClass, ReplicatedViewRotation, Parameters)
	DOREPLIFETIME_WITH_PARAMS_FAST(ThisClass, DesiredVelocityYawAngle, Parameters)
	DOREPLIFETIME_WITH_PARAMS_FAST(ThisClass, OwnedTags, Parameters)
}

UGMS_MovementSystemComponent* UGMS_MovementSystemComponent::GetMovementSystemComponent(const AActor* Actor)
{
	return Actor != nullptr ? Actor->FindComponentByClass<UGMS_MovementSystemComponent>() : nullptr;
}

bool UGMS_MovementSystemComponent::K2_FindMovementComponent(const AActor* Actor, UGMS_MovementSystemComponent*& Instance)
{
	if (Actor == nullptr)
	{
		return false;
	}
	Instance = GetMovementSystemComponent(Actor);
	return Instance != nullptr;
}

bool UGMS_MovementSystemComponent::K2_FindMovementComponentExt(const AActor* Actor, TSubclassOf<UGMS_MovementSystemComponent> DesiredClass, UGMS_MovementSystemComponent*& Instance)
{
	if (DesiredClass)
	{
		Instance = GetMovementSystemComponent(Actor);
		return Instance != nullptr && Instance->GetClass()->IsChildOf(DesiredClass);
	}
	return false;
}

FGameplayTagContainer UGMS_MovementSystemComponent::GetGameplayTags() const
{
	if (IGameplayTagAssetInterface* TagAssetInterface = Cast<IGameplayTagAssetInterface>(GameplayTagsProvider))
	{
		FGameplayTagContainer RetTags;
		TagAssetInterface->GetOwnedGameplayTags(RetTags);

		if (!OwnedTags.IsEmpty())
		{
			RetTags.AppendTags(OwnedTags);
		}

		RetTags.AddTagFast(GetMovementState());
		RetTags.AddTagFast(GetRotationMode());

		return RetTags;
	}
	return OwnedTags;
}

void UGMS_MovementSystemComponent::SetGameplayTagsProvider(UObject* Provider)
{
	if (!IsValid(Provider))
	{
		GMS_CLOG(Warning, "Passed invalid GameplayTagsProvider.");
		return;
	}
	if (IGameplayTagAssetInterface* TagAssetInterface = Cast<IGameplayTagAssetInterface>(Provider))
	{
		GameplayTagsProvider = Provider;
	}
	else
	{
		GMS_CLOG(Warning, "Passed in GameplayTagsProvider(%s) Doesn't implement GameplayTagAssetInterface, it can't provide gameplay tags.", *Provider->GetName());
	}
}
#pragma region GameplayTags
void UGMS_MovementSystemComponent::AddGameplayTag(FGameplayTag TagToAdd)
{
	AddGameplayTag(TagToAdd, true);
}

void UGMS_MovementSystemComponent::RemoveGameplay(FGameplayTag TagToRemove)
{
	RemoveGameplayTag(TagToRemove, true);
}

void UGMS_MovementSystemComponent::SetGameplayTags(FGameplayTagContainer TagsToSet)
{
	SetGameplayTags(TagsToSet, true);
}

void UGMS_MovementSystemComponent::AddGameplayTag(const FGameplayTag& TagToAdd, bool bSendRpc)
{
	if (GetOwner()->GetLocalRole() <= ROLE_SimulatedProxy)
	{
		return;
	}

	OwnedTags.AddTag(TagToAdd);

	MARK_PROPERTY_DIRTY_FROM_NAME(ThisClass, OwnedTags, this)

	if (bSendRpc)
	{
		if (GetOwner()->GetLocalRole() >= ROLE_Authority)
		{
			ClientAddGameplayTag(TagToAdd);
		}
		else
		{
			ServerAddGameplayTag(TagToAdd);
		}
	}
}

void UGMS_MovementSystemComponent::RemoveGameplayTag(const FGameplayTag& TagToRemove, bool bSendRpc)
{
	if (GetOwner()->GetLocalRole() <= ROLE_SimulatedProxy)
	{
		return;
	}

	OwnedTags.RemoveTag(TagToRemove);

	MARK_PROPERTY_DIRTY_FROM_NAME(ThisClass, OwnedTags, this)

	if (bSendRpc)
	{
		if (GetOwner()->GetLocalRole() >= ROLE_Authority)
		{
			ClientRemoveGameplayTag(TagToRemove);
		}
		else
		{
			ServerRemoveGameplayTag(TagToRemove);
		}
	}
}

void UGMS_MovementSystemComponent::SetGameplayTags(const FGameplayTagContainer& TagsToSet, bool bSendRpc)
{
	if (GetOwner()->GetLocalRole() <= ROLE_SimulatedProxy)
	{
		return;
	}

	OwnedTags = TagsToSet;

	MARK_PROPERTY_DIRTY_FROM_NAME(ThisClass, OwnedTags, this)

	if (bSendRpc)
	{
		if (GetOwner()->GetLocalRole() >= ROLE_Authority)
		{
			ClientSetGameplayTags(TagsToSet);
		}
		else
		{
			ServerSetGameplayTags(TagsToSet);
		}
	}
}

void UGMS_MovementSystemComponent::ClientAddGameplayTag_Implementation(const FGameplayTag& TagToAdd)
{
	AddGameplayTag(TagToAdd, false);
}

void UGMS_MovementSystemComponent::ServerAddGameplayTag_Implementation(const FGameplayTag& TagToAdd)
{
	AddGameplayTag(TagToAdd, false);
}

void UGMS_MovementSystemComponent::ClientRemoveGameplayTag_Implementation(const FGameplayTag& TagToRemove)
{
	RemoveGameplayTag(TagToRemove, false);
}

void UGMS_MovementSystemComponent::ServerRemoveGameplayTag_Implementation(const FGameplayTag& TagToRemove)
{
	RemoveGameplayTag(TagToRemove, false);
}

void UGMS_MovementSystemComponent::ClientSetGameplayTags_Implementation(const FGameplayTagContainer& TagsToSet)
{
	SetGameplayTags(TagsToSet, false);
}

void UGMS_MovementSystemComponent::ServerSetGameplayTags_Implementation(const FGameplayTagContainer& TagsToSet)
{
	SetGameplayTags(TagsToSet, false);
}
#pragma endregion GameplayTags

#pragma region Locomotion

const FGMS_LocomotionState& UGMS_MovementSystemComponent::GetLocomotionState() const
{
	return LocomotionState;
}

TScriptInterface<IPoseSearchTrajectoryPredictorInterface> UGMS_MovementSystemComponent::GetTrajectoryPredictor() const
{
	return nullptr;
}

bool UGMS_MovementSystemComponent::IsCrouching() const
{
	return false;
}

float UGMS_MovementSystemComponent::GetMaxSpeed() const
{
	return 0.0;
}

float UGMS_MovementSystemComponent::GetMaxAcceleration() const
{
	return 1000.0f;
}

bool UGMS_MovementSystemComponent::IsMovingOnGround() const
{
	return true;
}

void UGMS_MovementSystemComponent::SetDesiredVelocityYawAngle(float NewDesiredVelocityYawAngle)
{
	COMPARE_ASSIGN_AND_MARK_PROPERTY_DIRTY(ThisClass, DesiredVelocityYawAngle, NewDesiredVelocityYawAngle, this);
}

void UGMS_MovementSystemComponent::ServerSetDesiredVelocityYawAngle_Implementation(float NewDesiredVelocityYawAngle)
{
	SetDesiredVelocityYawAngle(NewDesiredVelocityYawAngle);
}


const FGameplayTag& UGMS_MovementSystemComponent::GetLocomotionMode() const
{
	return LocomotionMode;
}

const FGMS_MovementBaseState& UGMS_MovementSystemComponent::GetMovementBase() const
{
	return MovementBase;
}

void UGMS_MovementSystemComponent::SetLocomotionMode(const FGameplayTag& NewLocomotionMode)
{
	if (LocomotionMode != NewLocomotionMode)
	{
		const auto PreviousLocomotionMode{LocomotionMode};

		LocomotionMode = NewLocomotionMode;

		MARK_PROPERTY_DIRTY_FROM_NAME(ThisClass, LocomotionMode, this)

		OnLocomotionModeChanged(PreviousLocomotionMode);
	}
}

void UGMS_MovementSystemComponent::OnReplicated_LocomotionMode(const FGameplayTag& PreviousLocomotionMode)
{
	OnLocomotionModeChanged(PreviousLocomotionMode);
}

void UGMS_MovementSystemComponent::OnLocomotionModeChanged_Implementation(const FGameplayTag& PreviousLocomotionMode)
{
	GMS_CLOG(Verbose, "locomotion mode changed from %s to %s", *PreviousLocomotionMode.ToString(), *LocomotionMode.ToString());
	OnLocomotionModeChangedEvent.Broadcast(PreviousLocomotionMode);
}

#pragma endregion

void UGMS_MovementSystemComponent::RefreshMovementBase()
{
}

#pragma region MovementSet

const FGameplayTag& UGMS_MovementSystemComponent::GetMovementSet() const
{
	return MovementSet;
}

const FGMS_MovementSetSetting& UGMS_MovementSystemComponent::GetMovementSetSetting() const
{
	return MovementSetSetting;
}

const FGMS_MovementStateSetting& UGMS_MovementSystemComponent::GetMovementStateSetting() const
{
	return MovementStateSetting;
}

const UGMS_MovementControlSetting_Default* UGMS_MovementSystemComponent::GetControlSetting() const
{
	return ControlSetting;
}

int32 UGMS_MovementSystemComponent::GetNumOfMovementStateSettings() const
{
	return ControlSetting->MovementStates.Num();
}

TSoftObjectPtr<const UGMS_MovementDefinition> UGMS_MovementSystemComponent::GetMovementDefinition() const
{
	return MovementDefinition;
}

TSoftObjectPtr<const UGMS_MovementDefinition> UGMS_MovementSystemComponent::GetPrevMovementDefinition() const
{
	return PrevMovementDefinition;
}

const UGMS_MovementDefinition* UGMS_MovementSystemComponent::GetLoadedMovementDefinition() const
{
	return MovementDefinition.IsValid() ? MovementDefinition.Get() : nullptr;
}

void UGMS_MovementSystemComponent::SetMovementSet(const FGameplayTag& NewMovementSet)
{
	SetMovementSet(NewMovementSet, true);
}

void UGMS_MovementSystemComponent::SetMovementDefinition(TSoftObjectPtr<UGMS_MovementDefinition> NewDefinition)
{
	if (NewDefinition.IsNull())
	{
		return;
	}
	if (NewDefinition != MovementDefinition)
	{
		auto LoadedDefinition = NewDefinition.LoadSynchronous();

		if (LoadedDefinition->MovementSets.Contains(MovementSet))
		{
			InternalSetMovementDefinition(NewDefinition, true);
		}
	}
}

void UGMS_MovementSystemComponent::LocalSetMovementDefinition(TSoftObjectPtr<UGMS_MovementDefinition> NewDefinition)
{
	InternalSetMovementDefinition(NewDefinition, false);
}

void UGMS_MovementSystemComponent::PushAvailableMovementDefinition(TSoftObjectPtr<UGMS_MovementDefinition> NewDefinition, bool bPopCurrent)
{
	InternalSetMovementDefinition(NewDefinition, true);
}

void UGMS_MovementSystemComponent::PopAvailableMovementDefinition()
{
	// PopMovementDefinition(true);
}

void UGMS_MovementSystemComponent::InternalSetMovementDefinition(const TSoftObjectPtr<UGMS_MovementDefinition> NewDefinition, bool bSendRpc)
{
	if (!NewDefinition.IsNull() && NewDefinition != MovementDefinition)
	{
		PrevMovementDefinition = MovementDefinition;
		MovementDefinition = NewDefinition;
		MARK_PROPERTY_DIRTY_FROM_NAME(ThisClass, MovementDefinition, this)

		OnMovementSetChanged(MovementSet);

		if (bSendRpc)
		{
			if (GetOwner()->GetLocalRole() >= ROLE_Authority)
			{
				ClientSetMovementDefinition(NewDefinition);
			}
			else
			{
				ServerSetMovementDefinition(NewDefinition);
			}
		}
	}
}

void UGMS_MovementSystemComponent::ClientSetMovementDefinition_Implementation(const TSoftObjectPtr<UGMS_MovementDefinition>& NewDefinition)
{
	InternalSetMovementDefinition(NewDefinition, false);
}

void UGMS_MovementSystemComponent::ServerSetMovementDefinition_Implementation(const TSoftObjectPtr<UGMS_MovementDefinition>& NewDefinition)
{
	InternalSetMovementDefinition(NewDefinition, false);
}

void UGMS_MovementSystemComponent::OnReplicated_MovementDefinition()
{
	OnMovementSetChanged(MovementSet);
}

void UGMS_MovementSystemComponent::SetMovementSet(const FGameplayTag& NewMovementSet, bool bSendRpc)
{
	if (MovementSet == NewMovementSet || GetOwner()->GetLocalRole() <= ROLE_SimulatedProxy)
	{
		return;
	}

	const auto PreviousMovementSet{MovementSet};

	MovementSet = NewMovementSet;

	MARK_PROPERTY_DIRTY_FROM_NAME(ThisClass, MovementSet, this)

	OnMovementSetChanged(PreviousMovementSet);

	if (bSendRpc)
	{
		if (GetOwner()->GetLocalRole() >= ROLE_Authority)
		{
			ClientSetMovementSet(MovementSet);
		}
		else
		{
			ServerSetMovementSet(MovementSet);
		}
	}
}

void UGMS_MovementSystemComponent::ClientSetMovementSet_Implementation(const FGameplayTag& NewMovementSet)
{
	SetMovementSet(NewMovementSet, false);
}

void UGMS_MovementSystemComponent::ServerSetMovementSet_Implementation(const FGameplayTag& NewMovementSet)
{
	SetMovementSet(NewMovementSet, false);
}

void UGMS_MovementSystemComponent::OnReplicated_MovementSet(const FGameplayTag& PreviousMovementSet)
{
	OnMovementSetChanged(PreviousMovementSet);
}

void UGMS_MovementSystemComponent::RefreshMovementSetSetting()
{
	const UGMS_MovementDefinition* LoadedDefinition = MovementDefinition.LoadSynchronous();

	if (!LoadedDefinition)
	{
		GMS_CLOG(Warning, "Missing valid movement definition!")
		return;
	}

	if (!LoadedDefinition->MovementSets.Contains(MovementSet))
	{
		GMS_CLOG(Warning, "No movement set(%s) found in movement definition(%s)!", *MovementSet.ToString(), *GetNameSafe(LoadedDefinition))
		return;
	}
	MovementSetSetting = MovementDefinition->MovementSets[MovementSet];
	RefreshControlSetting();

	// bool bFoundMovementSet{false};
	// for (int32 i = MovementDefinitions.Num() - 1; i >= 0; i--)
	// {
	// 	if (MovementDefinitions[i].IsNull())
	// 	{
	// 		continue;
	// 	}
	// 	if (!MovementDefinitions[i].IsValid())
	// 	{
	// 		MovementDefinitions[i].LoadSynchronous();
	// 	}
	// 	if (MovementDefinitions[i]->MovementSets.Contains(MovementSet))
	// 	{
	// 		MovementDefinition = MovementDefinitions[i].Get();
	// 		MovementSetSetting = MovementDefinition->MovementSets[MovementSet];
	// 		bFoundMovementSet = true;
	// 		RefreshControlSetting();
	// 		break;
	// 	}
	// }
	// if (!bFoundMovementSet)
	// {
	// 	GMS_CLOG(Error, "No movement set(%s) found in movement definitions!", *MovementSet.ToString())
	// }
}

void UGMS_MovementSystemComponent::RefreshControlSetting()
{
	const UGMS_MovementControlSetting_Default* NewSetting = MovementSetSetting.bControlSettingPerOverlayMode && MovementSetSetting.ControlSettings.Contains(OverlayMode)
		                                                        ? MovementSetSetting.ControlSettings[OverlayMode]
		                                                        : MovementSetSetting.ControlSetting;

	if (NewSetting != nullptr && !NewSetting->MovementStates.IsEmpty())
	{
		ControlSetting = NewSetting;
		RefreshMovementStateSetting();
		ApplyMovementSetting();
	}
	else
	{
		ControlSetting = nullptr;
		GMS_CLOG(Error, "Empty MovementState settings are found in the movement set(%s) of definition(%s), which is not allowed!", *MovementSet.ToString(),
		         *MovementDefinition->GetName())
	}
}

void UGMS_MovementSystemComponent::OnMovementSetChanged_Implementation(const FGameplayTag& PreviousMovementSet)
{
	RefreshMovementSetSetting();
	OnMovementSetChangedEvent.Broadcast(PreviousMovementSet);
}

const FGameplayTag& UGMS_MovementSystemComponent::GetDesiredMovementState() const
{
	return FGameplayTag::EmptyTag;
}


void UGMS_MovementSystemComponent::RefreshMovementStateSetting()
{
	if (!IsValid(ControlSetting))
	{
		return;
	}

	FGMS_MovementStateSetting NewStateSetting;
	if (!ControlSetting->GetStateByTag(GetMovementState(), NewStateSetting))
	{
		checkf(!ControlSetting->MovementStates.IsEmpty(), TEXT("Found empty MovementState Settings on %s!"), *ControlSetting->GetName())
		NewStateSetting = ControlSetting->MovementStates.Last();
		SetDesiredMovement(NewStateSetting.Tag);
		GMS_CLOG(Verbose, "No MovementState setting for current movement state(%s), Change desired last one(%s) in list.", *GetMovementState().ToString(),
		         *NewStateSetting.Tag.ToString());
	}

	MovementStateSetting = NewStateSetting;

	if (bRespectAllowedRotationModesSettings)
	{
		if (!MovementStateSetting.AllowedRotationModes.Contains(GetDesiredRotationMode()))
		{
			FGameplayTag AdjustedRotationMode = MovementStateSetting.AllowedRotationModes.Last();
			GMS_CLOG(Warning, "current movement state(%s) doesn't allow current desired rotation mode(%s), adjusted to:%s", *GetMovementState().ToString(), *GetDesiredRotationMode().ToString(),
			         *AdjustedRotationMode.ToString());
			SetDesiredRotationMode(AdjustedRotationMode);
		}
	}
}

void UGMS_MovementSystemComponent::ApplyMovementSetting()
{
}

#pragma endregion

#pragma region MovementState
void UGMS_MovementSystemComponent::SetDesiredMovement(const FGameplayTag& NewDesiredMovement)
{
}

void UGMS_MovementSystemComponent::CycleDesiredMovementState(bool bForward)
{
	if (GetNumOfMovementStateSettings() == 1)
	{
		return;
	}
	int32 Index = ControlSetting->MovementStates.IndexOfByKey(GetMovementState());

	if (Index == INDEX_NONE)
	{
		return;
	}

	if (bForward && ControlSetting->MovementStates.IsValidIndex(Index + 1))
	{
		SetDesiredMovement(ControlSetting->MovementStates[Index + 1].Tag);
	}

	if (!bForward && ControlSetting->MovementStates.IsValidIndex(Index - 1))
	{
		SetDesiredMovement(ControlSetting->MovementStates[Index - 1].Tag);
	}
}

const FGameplayTag& UGMS_MovementSystemComponent::GetMovementState() const
{
	return FGameplayTag::EmptyTag;
}

int32 UGMS_MovementSystemComponent::GetSpeedLevel() const
{
	return MovementStateSetting.SpeedLevel;
}

float UGMS_MovementSystemComponent::GetMappedMovementSpeedLevel(float Speed) const
{
	if (!ControlSetting)
	{
		return 0.0f;
	}
	float SpeedLevelAmount = ControlSetting->MovementStates.Last().SpeedLevel;
	for (int32 i = ControlSetting->MovementStates.Num() - 2; i >= 0; i--)
	{
		const FGMS_MovementStateSetting& Max = ControlSetting->MovementStates[i + 1];
		const FGMS_MovementStateSetting& Min = ControlSetting->MovementStates[i];
		// In current range.
		if (Min.Speed > 0 && Speed >= Min.Speed && Speed <= Max.Speed)
		{
			SpeedLevelAmount = FMath::GetMappedRangeValueClamped(FVector2f{Min.Speed, Max.Speed}, {static_cast<float>(Min.SpeedLevel), static_cast<float>(Max.SpeedLevel)}, Speed);
		}
	}
	GMS_CLOG(VeryVerbose, "Mapped speed(%f) to speed level(%f)", Speed, SpeedLevelAmount)
	return SpeedLevelAmount;
}


void UGMS_MovementSystemComponent::OnMovementStateChanged_Implementation(const FGameplayTag& PreviousMovementState)
{
	RefreshMovementStateSetting();
	ApplyMovementSetting();
	OnMovementStateChangedEvent.Broadcast(PreviousMovementState);
}

#pragma endregion

#pragma region Input

FVector UGMS_MovementSystemComponent::GetMovementIntent() const
{
	checkf(0, TEXT("Not implemented"));
	return FVector::ZeroVector;
}

void UGMS_MovementSystemComponent::RefreshInput(float DeltaTime)
{
	LocomotionState.bHasInput = GetMovementIntent().SizeSquared() > UE_KINDA_SMALL_NUMBER;

	if (LocomotionState.bHasInput)
	{
		LocomotionState.InputYawAngle = UE_REAL_TO_FLOAT(UGMS_Vector::DirectionToAngleXY(GetMovementIntent()));
	}
}

void UGMS_MovementSystemComponent::TurnAtRate(float Direction)
{
	if (Direction != 0 && GetRotationMode() == GMS_RotationModeTags::VelocityDirection &&
		OwnerPawn->GetLocalRole() >= ROLE_AutonomousProxy)
	{
		if (const auto Setting = ControlSetting->VelocityDirectionSetting.GetPtr<FGMS_VelocityDirectionSetting_RateBased>())
		{
			const float TurnRate =
				IsValid(Setting->TurnRateSpeedCurve)
					? Setting->TurnRateSpeedCurve->GetFloatValue(FMath::Max(1.0f, GetMappedMovementSpeedLevel(UE_REAL_TO_FLOAT(LocomotionState.Velocity.Size2D()))))
					: Setting->TurnRate;

			float YawDelta = Direction * TurnRate * GetWorld()->GetDeltaSeconds();
			if (FMath::Abs(YawDelta) > UE_SMALL_NUMBER)
			{
				float TargetYawAngle = FMath::UnwindDegrees(OwnerPawn->GetActorRotation().Yaw + YawDelta);

				// 或者，方法2：使用 RotateAngleAxis（如果需要保持四元数精度）
				// FQuat DeltaRotation = FQuat(FVector::UpVector, FMath::DegreesToRadians(YawDelta));
				// FQuat NewRotation = DeltaRotation * LocomotionState.RotationQuaternion;
				// NewDesiredVelocityYawAngle = NewRotation.Rotator().Yaw;

				// FRotator RotationDelta = FRotator(0,Direction * GetVelocityDirectionSetting().TurningRate * DeltaTime,0);
				//
				// NewDesiredVelocityYawAngle = (RotationDelta.Quaternion() * LocomotionState.RotationQuaternion).Rotator().Yaw;

				SetDesiredVelocityYawAngle(TargetYawAngle);
				if (OwnerPawn->GetLocalRole() < ROLE_Authority)
				{
					ServerSetDesiredVelocityYawAngle(TargetYawAngle);
				}
			}
		}
	}
}

#pragma endregion

#pragma region ViewSystem

const FGMS_ViewState& UGMS_MovementSystemComponent::GetViewState() const
{
	return ViewState;
}

void UGMS_MovementSystemComponent::SetReplicatedViewRotation(const FRotator& NewViewRotation, bool bSendRpc)
{
	if (!ReplicatedViewRotation.Equals(NewViewRotation))
	{
		ReplicatedViewRotation = NewViewRotation;

		MARK_PROPERTY_DIRTY_FROM_NAME(ThisClass, ReplicatedViewRotation, this)

		if (bSendRpc && GetOwner()->GetLocalRole() == ROLE_AutonomousProxy)
		{
			ServerSetReplicatedViewRotation(ReplicatedViewRotation);
		}
	}
}

void UGMS_MovementSystemComponent::ServerSetReplicatedViewRotation_Implementation(const FRotator& NewViewRotation)
{
	SetReplicatedViewRotation(NewViewRotation, false);
}

void UGMS_MovementSystemComponent::OnReplicated_ReplicatedViewRotation()
{
	ViewState.Rotation = MovementBase.bHasRelativeRotation ? (MovementBase.Rotation * ReplicatedViewRotation.Quaternion()).Rotator() : ReplicatedViewRotation;
}

#pragma endregion

#pragma region Rotation Mode

const FGameplayTag& UGMS_MovementSystemComponent::GetDesiredRotationMode() const
{
	return FGameplayTag::EmptyTag;
}

void UGMS_MovementSystemComponent::SetDesiredRotationMode(const FGameplayTag& NewDesiredRotationMode)
{
}

const FGameplayTag& UGMS_MovementSystemComponent::GetRotationMode() const
{
	return FGameplayTag::EmptyTag;
}

void UGMS_MovementSystemComponent::OnRotationModeChanged_Implementation(const FGameplayTag& PreviousRotationMode)
{
	ApplyMovementSetting();
	OnRotationModeChangedEvent.Broadcast(PreviousRotationMode);
}

#pragma endregion

#pragma region OverlayMode
const FGameplayTag& UGMS_MovementSystemComponent::GetOverlayMode() const
{
	return OverlayMode;
}

void UGMS_MovementSystemComponent::SetOverlayMode(const FGameplayTag& NewOverlayMode)
{
	SetOverlayMode(NewOverlayMode, true);
}

void UGMS_MovementSystemComponent::SetOverlayMode(const FGameplayTag& NewOverlayMode, bool bSendRpc)
{
	if (OverlayMode == NewOverlayMode || OwnerPawn->GetLocalRole() <= ROLE_SimulatedProxy)
	{
		return;
	}

	const auto PreviousOverlayMode{OverlayMode};

	OverlayMode = NewOverlayMode;

	MARK_PROPERTY_DIRTY_FROM_NAME(ThisClass, OverlayMode, this)

	OnOverlayModeChanged(PreviousOverlayMode);

	if (bSendRpc)
	{
		if (OwnerPawn->GetLocalRole() >= ROLE_Authority)
		{
			ClientSetOverlayMode(OverlayMode);
		}
		else
		{
			ServerSetOverlayMode(OverlayMode);
		}
	}
}

void UGMS_MovementSystemComponent::ClientSetOverlayMode_Implementation(const FGameplayTag& NewOverlayMode)
{
	SetOverlayMode(NewOverlayMode, false);
}

void UGMS_MovementSystemComponent::ServerSetOverlayMode_Implementation(const FGameplayTag& NewOverlayMode)
{
	SetOverlayMode(NewOverlayMode, false);
}

void UGMS_MovementSystemComponent::OnReplicated_OverlayMode(const FGameplayTag& PreviousOverlayMode)
{
	OnOverlayModeChanged(PreviousOverlayMode);
}

void UGMS_MovementSystemComponent::OnOverlayModeChanged_Implementation(const FGameplayTag& PreviousOverlayMode)
{
	if (MovementSetSetting.bControlSettingPerOverlayMode)
	{
		RefreshControlSetting();
	}
	OnOverlayModeChangedEvent.Broadcast(PreviousOverlayMode);
}
#pragma endregion


#if WITH_EDITOR
EDataValidationResult UGMS_MovementSystemComponent::IsDataValid(class FDataValidationContext& Context) const
{
	if (IsTemplate() && AnimGraphSetting == nullptr)
	{
		Context.AddError(FText::FromString("AnimGraphSetting is required!"));
		return EDataValidationResult::Invalid;
	}
	return Super::IsDataValid(Context);
}
#endif