618 lines
20 KiB
C++
618 lines
20 KiB
C++
// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#pragma once
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#include "GameplayTagContainer.h"
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#include "Kismet/BlueprintFunctionLibrary.h"
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#include "Subsystems/WorldSubsystem.h"
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#include "GUIS_GameUIExtensionSubsystem.generated.h"
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class UGUIS_ExtensionSubsystem;
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struct FGUIS_GameUIExtRequest;
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template <typename T>
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class TSubclassOf;
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template <typename T>
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class TSoftClassPtr;
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class FSubsystemCollectionBase;
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class UUserWidget;
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struct FFrame;
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/**
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* Enum defining match rules for UI extension points.
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* 定义UI扩展点匹配规则的枚举。
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*/
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UENUM(BlueprintType)
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enum class EGUIS_GameUIExtPointMatchType : uint8
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{
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/**
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* Requires an exact match for the extension point tag.
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* 要求扩展点标签完全匹配。
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*/
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ExactMatch,
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/**
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* Allows partial matches for the extension point tag.
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* 允许扩展点标签部分匹配。
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*/
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PartialMatch
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};
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/**
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* Enum defining actions for UI extensions.
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* 定义UI扩展动作的枚举。
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*/
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UENUM(BlueprintType)
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enum class EGUIS_GameUIExtAction : uint8
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{
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/**
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* Extension is added.
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* 扩展被添加。
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*/
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Added,
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/**
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* Extension is removed.
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* 扩展被移除。
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*/
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Removed
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};
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/**
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* Delegate for extension point events.
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* 扩展点事件的委托。
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*/
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DECLARE_DELEGATE_TwoParams(FExtendExtensionPointDelegate, EGUIS_GameUIExtAction Action, const FGUIS_GameUIExtRequest& Request);
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/**
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* Structure representing a UI extension.
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* 表示UI扩展的结构。
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*/
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struct FGUIS_GameUIExt : TSharedFromThis<FGUIS_GameUIExt>
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{
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/**
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* Tag identifying the extension point.
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* 标识扩展点的标签。
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*/
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FGameplayTag ExtensionPointTag;
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/**
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* Priority of the extension.
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* 扩展的优先级。
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*/
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int32 Priority = INDEX_NONE;
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/**
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* Context object for the extension.
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* 扩展的上下文对象。
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*/
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TWeakObjectPtr<UObject> ContextObject;
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/**
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* Data object for the extension, kept alive by the subsystem.
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* 扩展的数据对象，由子系统保持存活。
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*/
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TObjectPtr<UObject> Data = nullptr;
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};
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/**
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* Structure representing a UI extension point.
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* 表示UI扩展点的结构。
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*/
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struct FGUIS_GameUIExtPoint : TSharedFromThis<FGUIS_GameUIExtPoint>
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{
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/**
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* Tag identifying the extension point.
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* 标识扩展点的标签。
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*/
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FGameplayTag ExtensionPointTag;
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/**
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* Context object for the extension point.
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* 扩展点的上下文对象。
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*/
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TWeakObjectPtr<UObject> ContextObject;
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/**
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* Match type for the extension point tag.
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* 扩展点标签的匹配类型。
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*/
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EGUIS_GameUIExtPointMatchType ExtensionPointTagMatchType = EGUIS_GameUIExtPointMatchType::ExactMatch;
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/**
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* Allowed data classes for the extension point.
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* 扩展点允许的数据类。
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*/
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TArray<TObjectPtr<UClass>> AllowedDataClasses;
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/**
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* Callback for extension point events.
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* 扩展点事件的回调。
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*/
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FExtendExtensionPointDelegate Callback;
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/**
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* Checks if an extension matches the extension point.
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* 检查扩展是否与扩展点匹配。
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* @param Extension The extension to check. 要检查的扩展。
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* @return True if the extension matches, false otherwise. 如果扩展匹配返回true，否则返回false。
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*/
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bool DoesExtensionPassContract(const FGUIS_GameUIExt* Extension) const;
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};
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/**
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* Handle for a UI extension point.
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* UI扩展点的句柄。
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*/
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USTRUCT(BlueprintType)
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struct GENERICUISYSTEM_API FGUIS_GameUIExtPointHandle
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{
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GENERATED_BODY()
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/**
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* Default constructor.
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* 默认构造函数。
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*/
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FGUIS_GameUIExtPointHandle();
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/**
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* Unregisters the extension point.
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* 注销扩展点。
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*/
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void Unregister();
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/**
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* Checks if the handle is valid.
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* 检查句柄是否有效。
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* @return True if valid, false otherwise. 如果有效返回true，否则返回false。
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*/
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bool IsValid() const { return DataPtr.IsValid(); }
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/**
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* Equality operator for extension point handles.
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* 扩展点句柄的相等比较运算符。
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*/
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bool operator==(const FGUIS_GameUIExtPointHandle& Other) const { return DataPtr == Other.DataPtr; }
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/**
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* Inequality operator for extension point handles.
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* 扩展点句柄的不等比较运算符。
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*/
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bool operator!=(const FGUIS_GameUIExtPointHandle& Other) const { return !operator==(Other); }
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/**
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* Hash function for the extension point handle.
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* 扩展点句柄的哈希函数。
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* @param Handle The handle to hash. 要哈希的句柄。
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* @return The hash value. 哈希值。
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*/
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friend uint32 GetTypeHash(const FGUIS_GameUIExtPointHandle& Handle)
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{
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return PointerHash(Handle.DataPtr.Get());
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};
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private:
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/**
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* The extension subsystem source.
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* 扩展子系统源。
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*/
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TWeakObjectPtr<UGUIS_ExtensionSubsystem> ExtensionSource;
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/**
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* Shared pointer to the extension point data.
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* 扩展点数据的共享指针。
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*/
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TSharedPtr<FGUIS_GameUIExtPoint> DataPtr;
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friend UGUIS_ExtensionSubsystem;
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/**
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* Constructor for the extension point handle.
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* 扩展点句柄构造函数。
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* @param InExtensionSource The extension subsystem source. 扩展子系统源。
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* @param InDataPtr The extension point data. 扩展点数据。
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*/
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FGUIS_GameUIExtPointHandle(UGUIS_ExtensionSubsystem* InExtensionSource, const TSharedPtr<FGUIS_GameUIExtPoint>& InDataPtr);
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};
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template <>
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struct TStructOpsTypeTraits<FGUIS_GameUIExtPointHandle> : TStructOpsTypeTraitsBase2<FGUIS_GameUIExtPointHandle>
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{
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enum
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{
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WithCopy = true,
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WithIdenticalViaEquality = true,
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};
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};
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/**
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* Handle for a UI extension.
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* UI扩展的句柄。
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*/
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USTRUCT(BlueprintType)
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struct GENERICUISYSTEM_API FGUIS_GameUIExtHandle
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{
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GENERATED_BODY()
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/**
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* Default constructor.
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* 默认构造函数。
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*/
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FGUIS_GameUIExtHandle();
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/**
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* Unregisters the extension.
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* 注销扩展。
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*/
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void Unregister();
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/**
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* Checks if the handle is valid.
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* 检查句柄是否有效。
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* @return True if valid, false otherwise. 如果有效返回true，否则返回false。
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*/
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bool IsValid() const { return DataPtr.IsValid(); }
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/**
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* Equality operator for extension handles.
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* 扩展句柄的相等比较运算符。
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*/
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bool operator==(const FGUIS_GameUIExtHandle& Other) const { return DataPtr == Other.DataPtr; }
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/**
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* Inequality operator for extension handles.
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* 扩展句柄的不等比较运算符。
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*/
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bool operator!=(const FGUIS_GameUIExtHandle& Other) const { return !operator==(Other); }
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/**
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* Hash function for the extension handle.
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* 扩展句柄的哈希函数。
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* @param Handle The handle to hash. 要哈希的句柄。
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* @return The hash value. 哈希值。
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*/
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friend uint32 GetTypeHash(FGUIS_GameUIExtHandle Handle) { return PointerHash(Handle.DataPtr.Get()); };
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private:
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/**
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* The extension subsystem source.
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* 扩展子系统源。
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*/
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TWeakObjectPtr<UGUIS_ExtensionSubsystem> ExtensionSource;
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/**
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* Shared pointer to the extension data.
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* 扩展数据的共享指针。
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*/
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TSharedPtr<FGUIS_GameUIExt> DataPtr;
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friend UGUIS_ExtensionSubsystem;
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/**
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* Constructor for the extension handle.
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* 扩展句柄构造函数。
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* @param InExtensionSource The extension subsystem source. 扩展子系统源。
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* @param InDataPtr The extension data. 扩展数据。
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*/
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FGUIS_GameUIExtHandle(UGUIS_ExtensionSubsystem* InExtensionSource, const TSharedPtr<FGUIS_GameUIExt>& InDataPtr);
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};
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template <>
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struct TStructOpsTypeTraits<FGUIS_GameUIExtHandle> : TStructOpsTypeTraitsBase2<FGUIS_GameUIExtHandle>
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{
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enum
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{
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WithCopy = true,
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WithIdenticalViaEquality = true,
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};
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};
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/**
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* Structure representing a UI extension request.
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* 表示UI扩展请求的结构。
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*/
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USTRUCT(BlueprintType)
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struct FGUIS_GameUIExtRequest
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{
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GENERATED_BODY()
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/**
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* Handle for the extension.
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* 扩展的句柄。
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*/
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="GUIS")
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FGUIS_GameUIExtHandle ExtensionHandle;
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/**
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* Tag identifying the extension point.
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* 标识扩展点的标签。
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*/
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="GUIS")
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FGameplayTag ExtensionPointTag;
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/**
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* Priority of the extension.
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* 扩展的优先级。
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*/
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="GUIS")
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int32 Priority = INDEX_NONE;
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/**
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* Data object for the extension.
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* 扩展的数据对象。
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*/
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="GUIS")
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TObjectPtr<UObject> Data = nullptr;
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/**
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* Context object for the extension.
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* 扩展的上下文对象。
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*/
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="GUIS")
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TObjectPtr<UObject> ContextObject = nullptr;
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};
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/**
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* Dynamic delegate for extension point events.
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* 扩展点事件的动态委托。
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*/
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DECLARE_DYNAMIC_DELEGATE_TwoParams(FExtendExtensionPointDynamicDelegate, EGUIS_GameUIExtAction, Action, const FGUIS_GameUIExtRequest&, ExtensionRequest);
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/**
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* World subsystem for managing UI extensions.
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* 管理UI扩展的世界子系统。
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*/
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UCLASS()
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class GENERICUISYSTEM_API UGUIS_ExtensionSubsystem : public UWorldSubsystem
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{
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GENERATED_BODY()
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public:
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/**
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* Registers an extension point.
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* 注册扩展点。
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* @param ExtensionPointTag The extension point tag. 扩展点标签。
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* @param ExtensionPointTagMatchType The match type for the tag. 标签匹配类型。
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* @param AllowedDataClasses The allowed data classes. 允许的数据类。
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* @param ExtensionCallback The callback for extension events. 扩展事件回调。
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* @return The extension point handle. 扩展点句柄。
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*/
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FGUIS_GameUIExtPointHandle RegisterExtensionPoint(const FGameplayTag& ExtensionPointTag, EGUIS_GameUIExtPointMatchType ExtensionPointTagMatchType, const TArray<UClass*>& AllowedDataClasses,
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FExtendExtensionPointDelegate ExtensionCallback);
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/**
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* Registers an extension point for a specific context.
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* 为特定上下文注册扩展点。
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* @param ExtensionPointTag The extension point tag. 扩展点标签。
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* @param ContextObject The context object. 上下文对象。
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* @param ExtensionPointTagMatchType The match type for the tag. 标签匹配类型。
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* @param AllowedDataClasses The allowed data classes. 允许的数据类。
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* @param ExtensionCallback The callback for extension events. 扩展事件回调。
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* @return The extension point handle. 扩展点句柄。
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*/
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FGUIS_GameUIExtPointHandle RegisterExtensionPointForContext(const FGameplayTag& ExtensionPointTag, UObject* ContextObject, EGUIS_GameUIExtPointMatchType ExtensionPointTagMatchType,
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const TArray<UClass*>& AllowedDataClasses, FExtendExtensionPointDelegate ExtensionCallback);
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/**
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* Registers a widget as a UI extension.
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* 将小部件注册为UI扩展。
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* @param ExtensionPointTag The extension point tag. 扩展点标签。
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* @param WidgetClass The widget class. 小部件类。
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* @param Priority The extension priority. 扩展优先级。
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* @return The extension handle. 扩展句柄。
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*/
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FGUIS_GameUIExtHandle RegisterExtensionAsWidget(const FGameplayTag& ExtensionPointTag, TSubclassOf<UUserWidget> WidgetClass, int32 Priority);
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/**
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* Registers a widget as a UI extension for a specific context.
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* 为特定上下文将小部件注册为UI扩展。
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* @param ExtensionPointTag The extension point tag. 扩展点标签。
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* @param ContextObject The context object. 上下文对象。
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* @param WidgetClass The widget class. 小部件类。
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* @param Priority The extension priority. 扩展优先级。
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* @return The extension handle. 扩展句柄。
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*/
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FGUIS_GameUIExtHandle RegisterExtensionAsWidgetForContext(const FGameplayTag& ExtensionPointTag, UObject* ContextObject, TSubclassOf<UUserWidget> WidgetClass, int32 Priority);
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/**
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* Registers data as a UI extension.
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* 将数据注册为UI扩展。
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* @param ExtensionPointTag The extension point tag. 扩展点标签。
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* @param ContextObject The context object. 上下文对象。
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* @param Data The data object. 数据对象。
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* @param Priority The extension priority. 扩展优先级。
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* @return The extension handle. 扩展句柄。
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*/
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FGUIS_GameUIExtHandle RegisterExtensionAsData(const FGameplayTag& ExtensionPointTag, UObject* ContextObject, UObject* Data, int32 Priority);
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/**
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* Unregisters a UI extension.
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* 注销UI扩展。
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* @param ExtensionHandle The extension handle. 扩展句柄。
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*/
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UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category = "UI Extension")
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void UnregisterExtension(const FGUIS_GameUIExtHandle& ExtensionHandle);
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/**
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* Unregisters a UI extension point.
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* 注销UI扩展点。
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* @param ExtensionPointHandle The extension point handle. 扩展点句柄。
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*/
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UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category = "UI Extension")
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void UnregisterExtensionPoint(const FGUIS_GameUIExtPointHandle& ExtensionPointHandle);
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/**
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* Adds referenced objects to the garbage collector.
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* 将引用的对象添加到垃圾回收器。
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* @param InThis The subsystem instance. 子系统实例。
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* @param Collector The reference collector. 引用收集器。
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*/
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static void AddReferencedObjects(UObject* InThis, FReferenceCollector& Collector);
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protected:
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/**
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* Initializes the subsystem.
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* 初始化子系统。
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* @param Collection The subsystem collection. 子系统集合。
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*/
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virtual void Initialize(FSubsystemCollectionBase& Collection) override;
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/**
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* Deinitializes the subsystem.
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* 反初始化子系统。
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*/
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virtual void Deinitialize() override;
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/**
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* Notifies an extension point of new or removed extensions.
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* 通知扩展点有关新添加或移除的扩展。
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* @param ExtensionPoint The extension point to notify. 要通知的扩展点。
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*/
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void NotifyExtensionPointOfExtensions(TSharedPtr<FGUIS_GameUIExtPoint>& ExtensionPoint);
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/**
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* Notifies extension points of an extension action.
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* 通知扩展点有关扩展动作。
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* @param Action The extension action (Added/Removed). 扩展动作（添加/移除）。
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* @param Extension The extension data. 扩展数据。
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*/
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void NotifyExtensionPointsOfExtension(EGUIS_GameUIExtAction Action, TSharedPtr<FGUIS_GameUIExt>& Extension);
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/**
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* Registers an extension point (Blueprint version).
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* 注册扩展点（蓝图版本）。
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* @param ExtensionPointTag The extension point tag. 扩展点标签。
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* @param ExtensionPointTagMatchType The match type for the tag. 标签匹配类型。
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* @param AllowedDataClasses The allowed data classes. 允许的数据类。
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* @param ExtensionCallback The callback for extension events. 扩展事件回调。
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* @return The extension point handle. 扩展点句柄。
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*/
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UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category="UI Extension", meta = (DisplayName = "Register Extension Point"))
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FGUIS_GameUIExtPointHandle K2_RegisterExtensionPoint(FGameplayTag ExtensionPointTag, EGUIS_GameUIExtPointMatchType ExtensionPointTagMatchType,
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const TArray<TSoftClassPtr<UClass>>& AllowedDataClasses,
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FExtendExtensionPointDynamicDelegate ExtensionCallback);
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/**
|
||
* Registers a widget as a UI extension (Blueprint version).
|
||
* 将小部件注册为UI扩展（蓝图版本）。
|
||
* @param ExtensionPointTag The extension point tag. 扩展点标签。
|
||
* @param WidgetClass The widget class. 小部件类。
|
||
* @param Priority The extension priority. 扩展优先级。
|
||
* @return The extension handle. 扩展句柄。
|
||
*/
|
||
UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category = "UI Extension", meta = (DisplayName = "Register Extension (Widget)"))
|
||
FGUIS_GameUIExtHandle K2_RegisterExtensionAsWidget(FGameplayTag ExtensionPointTag, TSoftClassPtr<UUserWidget> WidgetClass, int32 Priority = -1);
|
||
|
||
/**
|
||
* Registers a widget as a UI extension for a specific context (Blueprint version).
|
||
* 为特定上下文将小部件注册为UI扩展（蓝图版本）。
|
||
* @param ExtensionPointTag The extension point tag. 扩展点标签。
|
||
* @param WidgetClass The widget class. 小部件类。
|
||
* @param ContextObject The context object. 上下文对象。
|
||
* @param Priority The extension priority. 扩展优先级。
|
||
* @return The extension handle. 扩展句柄。
|
||
*/
|
||
UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category = "UI Extension", meta = (DisplayName = "Register Extension (Widget For Context)"))
|
||
FGUIS_GameUIExtHandle K2_RegisterExtensionAsWidgetForContext(FGameplayTag ExtensionPointTag, TSoftClassPtr<UUserWidget> WidgetClass, UObject* ContextObject, int32 Priority = -1);
|
||
|
||
/**
|
||
* Registers data as a UI extension (Blueprint version).
|
||
* 将数据注册为UI扩展（蓝图版本）。
|
||
* @param ExtensionPointTag The extension point tag. 扩展点标签。
|
||
* @param Data The data object. 数据对象。
|
||
* @param Priority The extension priority. 扩展优先级。
|
||
* @return The extension handle. 扩展句柄。
|
||
*/
|
||
UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category="UI Extension", meta = (DisplayName = "Register Extension (Data)"))
|
||
FGUIS_GameUIExtHandle K2_RegisterExtensionAsData(FGameplayTag ExtensionPointTag, UObject* Data, int32 Priority = -1);
|
||
|
||
/**
|
||
* Registers data as a UI extension for a specific context (Blueprint version).
|
||
* 为特定上下文将数据注册为UI扩展（蓝图版本）。
|
||
* @param ExtensionPointTag The extension point tag. 扩展点标签。
|
||
* @param ContextObject The context object. 上下文对象。
|
||
* @param Data The data object. 数据对象。
|
||
* @param Priority The extension priority. 扩展优先级。
|
||
* @return The extension handle. 扩展句柄。
|
||
*/
|
||
UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category="UI Extension", meta = (DisplayName = "Register Extension (Data For Context)"))
|
||
FGUIS_GameUIExtHandle K2_RegisterExtensionAsDataForContext(FGameplayTag ExtensionPointTag, UObject* ContextObject, UObject* Data, int32 Priority = -1);
|
||
|
||
/**
|
||
* Creates an extension request from extension data.
|
||
* 从扩展数据创建扩展请求。
|
||
* @param Extension The extension data. 扩展数据。
|
||
* @return The extension request. 扩展请求。
|
||
*/
|
||
FGUIS_GameUIExtRequest CreateExtensionRequest(const TSharedPtr<FGUIS_GameUIExt>& Extension);
|
||
|
||
private:
|
||
/**
|
||
* Map of extension point tags to extension point lists.
|
||
* 扩展点标签到扩展点列表的映射。
|
||
*/
|
||
using FExtensionPointList = TArray<TSharedPtr<FGUIS_GameUIExtPoint>>;
|
||
TMap<FGameplayTag, FExtensionPointList> ExtensionPointMap;
|
||
|
||
/**
|
||
* Map of extension tags to extension lists.
|
||
* 扩展标签到扩展列表的映射。
|
||
*/
|
||
using FExtensionList = TArray<TSharedPtr<FGUIS_GameUIExt>>;
|
||
TMap<FGameplayTag, FExtensionList> ExtensionMap;
|
||
};
|
||
|
||
/**
|
||
* Blueprint function library for UI extension operations.
|
||
* UI扩展操作的蓝图函数库。
|
||
*/
|
||
UCLASS()
|
||
class GENERICUISYSTEM_API UGUIS_ExtensionFunctionLibrary : public UBlueprintFunctionLibrary
|
||
{
|
||
GENERATED_BODY()
|
||
|
||
public:
|
||
/**
|
||
* Default constructor.
|
||
* 默认构造函数。
|
||
*/
|
||
UGUIS_ExtensionFunctionLibrary();
|
||
|
||
/**
|
||
* Unregisters a UI extension.
|
||
* 注销UI扩展。
|
||
* @param Handle The extension handle. 扩展句柄。
|
||
*/
|
||
UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category = "UI Extension")
|
||
static void UnregisterExtension(UPARAM(ref)
|
||
FGUIS_GameUIExtHandle& Handle);
|
||
|
||
/**
|
||
* Checks if a UI extension is valid.
|
||
* 检查UI扩展是否有效。
|
||
* @param Handle The extension handle. 扩展句柄。
|
||
* @return True if valid, false otherwise. 如果有效返回true，否则返回false。
|
||
*/
|
||
UFUNCTION(BlueprintCallable, BlueprintPure, BlueprintCosmetic, Category = "UI Extension")
|
||
static bool IsValidExtension(UPARAM(ref)
|
||
FGUIS_GameUIExtHandle& Handle);
|
||
|
||
/**
|
||
* Unregisters a UI extension point.
|
||
* 注销UI扩展点。
|
||
* @param Handle The extension point handle. 扩展点句柄。
|
||
*/
|
||
UFUNCTION(BlueprintCallable, BlueprintCosmetic, Category = "UI Extension")
|
||
static void UnregisterExtensionPoint(UPARAM(ref)
|
||
FGUIS_GameUIExtPointHandle& Handle);
|
||
|
||
/**
|
||
* Checks if a UI extension point is valid.
|
||
* 检查UI扩展点是否有效。
|
||
* @param Handle The extension point handle. 扩展点句柄。
|
||
* @return True if valid, false otherwise. 如果有效返回true，否则返回false。
|
||
*/
|
||
UFUNCTION(BlueprintCallable, BlueprintPure, BlueprintCosmetic, Category = "UI Extension")
|
||
static bool IsValidExtensionPoint(UPARAM(ref)
|
||
FGUIS_GameUIExtPointHandle& Handle);
|
||
};
|