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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#pragma once
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#include "Blueprint/IUserObjectListEntry.h"
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#include "Kismet/BlueprintFunctionLibrary.h"
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#include "UObject/SoftObjectPtr.h"
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#include "GUIS_GameUIFunctionLibrary.generated.h"
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class UGUIS_GameUILayout;
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enum class ECommonInputType : uint8;
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template <typename T>
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class TSubclassOf;
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class APlayerController;
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class UCommonActivatableWidget;
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class ULocalPlayer;
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class UObject;
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class UUserWidget;
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struct FFrame;
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struct FGameplayTag;
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/**
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* Common functions for Game UI.
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* 游戏UI的通用功能函数库。
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*/
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UCLASS()
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class GENERICUISYSTEM_API UGUIS_GameUIFunctionLibrary : public UBlueprintFunctionLibrary
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{
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GENERATED_BODY()
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public:
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UGUIS_GameUIFunctionLibrary()
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{
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}
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/**
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* Gets the input type of the owning player for the specified widget.
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* 获取指定控件所属玩家的输入类型。
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* @param WidgetContextObject The widget to query for input type. 要查询输入类型的控件。
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* @return The input type of the owning player. 所属玩家的输入类型。
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*/
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UFUNCTION(BlueprintPure, BlueprintCosmetic, Category="GUIS", meta = (WorldContext = "WidgetContextObject"))
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static ECommonInputType GetOwningPlayerInputType(const UUserWidget* WidgetContextObject);
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/**
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* Checks if the owning player is using touch input.
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* 检查所属玩家是否使用触摸输入。
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* @param WidgetContextObject The widget to query for input type. 要查询输入类型的控件。
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* @return True if the owning player is using touch input, false otherwise. 如果所属玩家使用触摸输入则返回true，否则返回false。
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*/
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UFUNCTION(BlueprintPure, BlueprintCosmetic, Category="GUIS", meta = (WorldContext = "WidgetContextObject"))
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static bool IsOwningPlayerUsingTouch(const UUserWidget* WidgetContextObject);
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/**
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* Checks if the owning player is using a gamepad.
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* 检查所属玩家是否使用游戏手柄。
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* @param WidgetContextObject The widget to query for input type. 要查询输入类型的控件。
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* @return True if the owning player is using a gamepad, false otherwise. 如果所属玩家使用游戏手柄则返回true，否则返回false。
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*/
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UFUNCTION(BlueprintPure, BlueprintCosmetic, Category="GUIS", meta = (WorldContext = "WidgetContextObject"))
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static bool IsOwningPlayerUsingGamepad(const UUserWidget* WidgetContextObject);
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/**
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* Pushes a widget to the specified UI layer for the given player.
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* 将控件推送到指定玩家的UI层。
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* @param PlayerController The player controller to associate with the UI layer. 与UI层关联的玩家控制器。
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* @param LayerName The tag identifying the UI layer. 标识UI层的标签。
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* @param WidgetClass The class of the widget to push. 要推送的控件类。
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* @return The created widget instance. 创建的控件实例。
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*/
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UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category="GUIS", meta=(DynamicOutputParam="ReturnValue", DeterminesOutputType="WidgetClass"))
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static UCommonActivatableWidget* PushContentToUILayer_ForPlayer(const APlayerController* PlayerController, UPARAM(meta = (Categories = "UI.Layer,GUIS.Layer"))
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FGameplayTag LayerName,
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UPARAM(meta = (AllowAbstract = false))
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TSubclassOf<UCommonActivatableWidget> WidgetClass);
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/**
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* Pops content from the specified UI layer for the given player.
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* 从指定玩家的UI层中弹出内容。
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* @param PlayerController The player controller associated with the UI layer. 与UI层关联的玩家控制器。
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* @param LayerName The tag identifying the UI layer. 标识UI层的标签。
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* @param RemainNum Number of widgets to remain in the layer (-1 means remove all.). 保留在层中的控件数量（-1表示不保留）。
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*/
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UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category="GUIS")
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static void PopContentFromUILayer_ForPlayer(const APlayerController* PlayerController, UPARAM(meta = (Categories = "UI.Layer,GUIS.Layer"))
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FGameplayTag LayerName, int32 RemainNum = -1);
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/**
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* Removes a specific activatable widget from the UI layer.
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* 从UI层中移除指定的可激活控件。
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* @param ActivatableWidget The widget to remove. 要移除的控件。
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*/
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UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category="GUIS", meta=(DefaultToSelf="ActivatableWidget"))
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static void PopContentFromUILayer(UCommonActivatableWidget* ActivatableWidget);
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/**
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* Pops multiple activatable widgets from the UI layer.
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* 从UI层中弹出多个可激活控件。
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* @param ActivatableWidgets List of activatable widgets to pop. 要弹出的控件列表。
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* @param bReverse If true, pops in reverse array order. 如果为true，则按数组反向顺序弹出。
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*/
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UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category="GUIS", meta=(DefaultToSelf="ActivatableWidget"))
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static void PopContentsFromUILayer(TArray<UCommonActivatableWidget*> ActivatableWidgets, bool bReverse = true);
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/**
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* Gets the local player associated with the given player controller.
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* 获取与指定玩家控制器关联的本地玩家。
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* @param PlayerController The player controller to query. 要查询的玩家控制器。
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* @return The associated local player. 关联的本地玩家。
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*/
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UFUNCTION(BlueprintCallable, BlueprintPure, BlueprintCosmetic, Category="GUIS")
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static ULocalPlayer* GetLocalPlayerFromController(APlayerController* PlayerController);
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/**
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* Gets the game UI layout for the specified player.
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* 获取指定玩家的游戏UI布局。
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* @param PlayerController The player controller to query. 要查询的玩家控制器。
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* @return The game UI layout for the player. 玩家的游戏UI布局。
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*/
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UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category="GUIS")
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static UGUIS_GameUILayout* GetGameUILayoutForPlayer(const APlayerController* PlayerController);
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/**
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* Suspends input for the specified player with a reason.
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* 暂停指定玩家的输入并提供原因。
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* @param PlayerController The player controller to suspend input for. 要暂停输入的玩家控制器。
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* @param SuspendReason The reason for suspending input. 暂停输入的原因。
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* @return A token representing the suspension. 表示暂停的令牌。
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*/
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UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category="GUIS")
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static FName SuspendInputForPlayer(APlayerController* PlayerController, FName SuspendReason);
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/**
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* Suspends input for the specified local player with a reason.
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* 暂停指定本地玩家的输入并提供原因。
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* @param LocalPlayer The local player to suspend input for. 要暂停输入的本地玩家。
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* @param SuspendReason The reason for suspending input. 暂停输入的原因。
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* @return A token representing the suspension. 表示暂停的令牌。
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*/
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static FName SuspendInputForPlayer(ULocalPlayer* LocalPlayer, FName SuspendReason);
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/**
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* Resumes input for the specified player using the suspension token.
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* 使用暂停令牌恢复指定玩家的输入。
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* @param PlayerController The player controller to resume input for. 要恢复输入的玩家控制器。
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* @param SuspendToken The token from the suspension call. 暂停调用时返回的令牌。
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*/
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UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category="GUIS")
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static void ResumeInputForPlayer(APlayerController* PlayerController, FName SuspendToken);
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/**
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* Resumes input for the specified local player using the suspension token.
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* 使用暂停令牌恢复指定本地玩家的输入。
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* @param LocalPlayer The local player to resume input for. 要恢复输入的本地玩家。
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* @param SuspendToken The token from the suspension call. 暂停调用时返回的令牌。
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*/
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static void ResumeInputForPlayer(ULocalPlayer* LocalPlayer, FName SuspendToken);
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/**
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* Returns the typed item in the owning list view that this entry is currently assigned to represent.
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* 以指定类型的方式获取Entry要展示的Item。
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* @param UserObjectListEntry The list entry to query (defaults to self). 要查询的列表条目（默认值为自身）。
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* @param DesiredClass The type of ListItemObject. 列表项对象的类型。
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* @return The typed item object. 类型化的列表项对象。
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*/
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UFUNCTION(BlueprintPure, Category="GUIS",
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meta = (DeterminesOutputType = "DesiredClass", DynamicOutputParam = "ReturnValue", DefaultToSelf = UserObjectListEntry, DisplayName = "Get List item Object"))
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static UObject* GetTypedListItem(TScriptInterface<IUserObjectListEntry> UserObjectListEntry, TSubclassOf<UObject> DesiredClass);
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/**
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* Safely returns the typed item in the owning list view that this entry is currently assigned to represent.
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* 安全地以指定类型的方式获取Entry要展示的Item。
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* @param UserObjectListEntry The list entry to query (defaults to self). 要查询的列表条目（默认值为自身）。
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* @param DesiredClass The type of ListItemObject. 列表项对象的类型。
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* @param OutItem The typed item object (output). 类型化的列表项对象（输出）。
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* @return True if the item was successfully retrieved, false otherwise. 如果成功获取项则返回true，否则返回false。
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*/
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UFUNCTION(BlueprintCallable, Category="GUIS",
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meta = (ExpandBoolAsExecs = "ReturnValue", DeterminesOutputType = "DesiredClass", DynamicOutputParam = "OutItemObject", DefaultToSelf = UserObjectListEntry, DisplayName =
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"Get List item Object"))
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static bool GetTypedListItemSafely(TScriptInterface<IUserObjectListEntry> UserObjectListEntry, TSubclassOf<UObject> DesiredClass, UObject*& OutItem);
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private:
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/**
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* Tracks the number of active input suspensions.
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* 跟踪当前活动的输入暂停数量。
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*/
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static int32 InputSuspensions;
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};
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