第一次提交
This commit is contained in:
不明不惑
213
Plugins/GGS/Source/GenericUISystem/Public/UI/GUIS_GameUILayout.h
Normal file
213
Plugins/GGS/Source/GenericUISystem/Public/UI/GUIS_GameUILayout.h
Normal file
@@ -0,0 +1,213 @@
|
||||
// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include "CommonActivatableWidget.h"
|
||||
#include "Engine/AssetManager.h"
|
||||
#include "Engine/StreamableManager.h"
|
||||
#include "GameplayTagContainer.h"
|
||||
#include "GUIS_GameUIFunctionLibrary.h"
|
||||
#include "Widgets/CommonActivatableWidgetContainer.h" // IWYU pragma: keep
|
||||
|
||||
#include "GUIS_GameUILayout.generated.h"
|
||||
|
||||
class APlayerController;
|
||||
class UClass;
|
||||
class UCommonActivatableWidgetContainerBase;
|
||||
class ULocalPlayer;
|
||||
class UObject;
|
||||
struct FFrame;
|
||||
|
||||
/**
|
||||
* Enumeration for the state of an async UI widget layer load operation.
|
||||
* 异步UI控件层加载操作状态的枚举。
|
||||
*/
|
||||
enum class EGUIS_AsyncWidgetLayerState : uint8
|
||||
{
|
||||
Canceled, // Operation was canceled. 操作被取消。
|
||||
Initialize, // Widget is being initialized. 控件正在初始化。
|
||||
AfterPush // Widget has been pushed to the layer. 控件已被推送到层。
|
||||
};
|
||||
|
||||
/**
|
||||
* Primary game UI layout for managing widget layers for a single player.
|
||||
* 管理单个玩家控件层的游戏主UI布局。
|
||||
* @details Handles the layout, pushing, and display of UI layers for a player in a split-screen game.
|
||||
* @细节 处理分屏游戏中玩家的UI层布局、推送和显示。
|
||||
*/
|
||||
UCLASS(Abstract, meta = (DisableNativeTick))
|
||||
class GENERICUISYSTEM_API UGUIS_GameUILayout : public UCommonUserWidget
|
||||
{
|
||||
GENERATED_BODY()
|
||||
|
||||
public:
|
||||
/**
|
||||
* Constructor for the game UI layout.
|
||||
* 游戏UI布局的构造函数。
|
||||
*/
|
||||
UGUIS_GameUILayout(const FObjectInitializer &ObjectInitializer);
|
||||
|
||||
/**
|
||||
* Sets the dormant state of the layout, limiting it to persistent actions.
|
||||
* 设置布局的休眠状态，限制为持久动作。
|
||||
* @param Dormant True to set the layout as dormant, false otherwise. 如果设置为休眠则为true，否则为false。
|
||||
*/
|
||||
void SetIsDormant(bool Dormant);
|
||||
|
||||
/**
|
||||
* Checks if the layout is in a dormant state.
|
||||
* 检查布局是否处于休眠状态。
|
||||
* @return True if the layout is dormant, false otherwise. 如果布局休眠则返回true，否则返回false。
|
||||
*/
|
||||
bool IsDormant() const { return bIsDormant; }
|
||||
|
||||
public:
|
||||
/**
|
||||
* Asynchronously pushes a widget to a specified layer.
|
||||
* 异步将控件推送到指定层。
|
||||
* @param LayerName The tag of the layer to push to. 要推送到的层标签。
|
||||
* @param bSuspendInputUntilComplete Whether to suspend input until loading is complete. 是否在加载完成前暂停输入。
|
||||
* @param ActivatableWidgetClass The class of the widget to push. 要推送的控件类。
|
||||
* @return A handle to the async streaming operation. 异步流操作的句柄。
|
||||
*/
|
||||
template <typename ActivatableWidgetT = UCommonActivatableWidget>
|
||||
TSharedPtr<FStreamableHandle> PushWidgetToLayerStackAsync(FGameplayTag LayerName, bool bSuspendInputUntilComplete, TSoftClassPtr<UCommonActivatableWidget> ActivatableWidgetClass)
|
||||
{
|
||||
return PushWidgetToLayerStackAsync<ActivatableWidgetT>(LayerName, bSuspendInputUntilComplete, ActivatableWidgetClass, [](EGUIS_AsyncWidgetLayerState, ActivatableWidgetT *) {});
|
||||
}
|
||||
|
||||
/**
|
||||
* Asynchronously pushes a widget to a specified layer with a state callback.
|
||||
* 使用状态回调异步将控件推送到指定层。
|
||||
* @param LayerName The tag of the layer to push to. 要推送到的层标签。
|
||||
* @param bSuspendInputUntilComplete Whether to suspend input until loading is complete. 是否在加载完成前暂停输入。
|
||||
* @param ActivatableWidgetClass The class of the widget to push. 要推送的控件类。
|
||||
* @param StateFunc Callback for handling widget state changes. 处理控件状态变化的回调。
|
||||
* @return A handle to the async streaming operation. 异步流操作的句柄。
|
||||
*/
|
||||
template <typename ActivatableWidgetT = UCommonActivatableWidget>
|
||||
TSharedPtr<FStreamableHandle> PushWidgetToLayerStackAsync(FGameplayTag LayerName, bool bSuspendInputUntilComplete, TSoftClassPtr<UCommonActivatableWidget> ActivatableWidgetClass,
|
||||
TFunction<void(EGUIS_AsyncWidgetLayerState, ActivatableWidgetT *)> StateFunc)
|
||||
{
|
||||
static_assert(TIsDerivedFrom<ActivatableWidgetT, UCommonActivatableWidget>::IsDerived, "Only CommonActivatableWidgets can be used here");
|
||||
|
||||
static FName NAME_PushingWidgetToLayer("PushingWidgetToLayer");
|
||||
const FName SuspendInputToken = bSuspendInputUntilComplete ? UGUIS_GameUIFunctionLibrary::SuspendInputForPlayer(GetOwningPlayer(), NAME_PushingWidgetToLayer) : NAME_None;
|
||||
|
||||
FStreamableManager &StreamableManager = UAssetManager::Get().GetStreamableManager();
|
||||
TSharedPtr<FStreamableHandle> StreamingHandle = StreamableManager.RequestAsyncLoad(ActivatableWidgetClass.ToSoftObjectPath(), FStreamableDelegate::CreateWeakLambda(this,
|
||||
[this, LayerName, ActivatableWidgetClass, StateFunc, SuspendInputToken]()
|
||||
{
|
||||
UGUIS_GameUIFunctionLibrary::ResumeInputForPlayer(GetOwningPlayer(), SuspendInputToken);
|
||||
|
||||
ActivatableWidgetT *Widget = PushWidgetToLayerStack<ActivatableWidgetT>(
|
||||
LayerName, ActivatableWidgetClass.Get(), [StateFunc](ActivatableWidgetT &WidgetToInit)
|
||||
{ StateFunc(EGUIS_AsyncWidgetLayerState::Initialize, &WidgetToInit); });
|
||||
|
||||
StateFunc(EGUIS_AsyncWidgetLayerState::AfterPush, Widget);
|
||||
}));
|
||||
|
||||
// Setup a cancel delegate to resume input if the operation is canceled.
|
||||
StreamingHandle->BindCancelDelegate(FStreamableDelegate::CreateWeakLambda(this,
|
||||
[this, StateFunc, SuspendInputToken]()
|
||||
{
|
||||
UGUIS_GameUIFunctionLibrary::ResumeInputForPlayer(GetOwningPlayer(), SuspendInputToken);
|
||||
StateFunc(EGUIS_AsyncWidgetLayerState::Canceled, nullptr);
|
||||
}));
|
||||
|
||||
return StreamingHandle;
|
||||
}
|
||||
|
||||
/**
|
||||
* Pushes a widget to a specified layer.
|
||||
* 将控件推送到指定层。
|
||||
* @param LayerName The tag of the layer to push to. 要推送到的层标签。
|
||||
* @param ActivatableWidgetClass The class of the widget to push. 要推送的控件类。
|
||||
* @return Pointer to the pushed widget, or nullptr if failed. 推送的控件指针，失败时为nullptr。
|
||||
*/
|
||||
template <typename ActivatableWidgetT = UCommonActivatableWidget>
|
||||
ActivatableWidgetT *PushWidgetToLayerStack(FGameplayTag LayerName, UClass *ActivatableWidgetClass)
|
||||
{
|
||||
return PushWidgetToLayerStack<ActivatableWidgetT>(LayerName, ActivatableWidgetClass, [](ActivatableWidgetT &) {});
|
||||
}
|
||||
|
||||
/**
|
||||
* Pushes a widget to a specified layer with initialization.
|
||||
olduğuna * 将控件推送到指定层并进行初始化。
|
||||
* @param LayerName The tag of the layer to push to. 要推送到的层标签。
|
||||
* @param ActivatableWidgetClass The class of the widget to push. 要推送的控件类。
|
||||
* @param InitInstanceFunc Function to initialize the widget instance. 初始化控件实例的函数。
|
||||
* @return Pointer to the pushed widget, or nullptr if failed. 推送的控件指针，失败时为nullptr。
|
||||
*/
|
||||
template <typename ActivatableWidgetT = UCommonActivatableWidget>
|
||||
ActivatableWidgetT *PushWidgetToLayerStack(FGameplayTag LayerName, UClass *ActivatableWidgetClass, TFunctionRef<void(ActivatableWidgetT &)> InitInstanceFunc)
|
||||
{
|
||||
static_assert(TIsDerivedFrom<ActivatableWidgetT, UCommonActivatableWidget>::IsDerived, "Only CommonActivatableWidgets can be used here");
|
||||
|
||||
if (UCommonActivatableWidgetContainerBase *Layer = GetLayerWidget(LayerName))
|
||||
{
|
||||
return Layer->AddWidget<ActivatableWidgetT>(ActivatableWidgetClass, InitInstanceFunc);
|
||||
}
|
||||
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
/**
|
||||
* Finds and removes a widget from any layer.
|
||||
* 从任意层查找并移除控件。
|
||||
* @param ActivatableWidget The widget to remove. 要移除的控件。
|
||||
*/
|
||||
void FindAndRemoveWidgetFromLayer(UCommonActivatableWidget *ActivatableWidget);
|
||||
|
||||
/**
|
||||
* Retrieves the layer widget for a given layer tag.
|
||||
* 获取给定层标签的层控件。
|
||||
* @param LayerName The tag of the layer to retrieve. 要检索的层标签。
|
||||
* @return Pointer to the layer widget, or nullptr if not found. 层控件指针，未找到时为nullptr。
|
||||
*/
|
||||
UCommonActivatableWidgetContainerBase *GetLayerWidget(FGameplayTag LayerName);
|
||||
|
||||
protected:
|
||||
/**
|
||||
* Registers a layer for pushing widgets.
|
||||
* 注册一个用于推送控件的层。
|
||||
* @param LayerTag The tag identifying the layer. 标识层的标签。
|
||||
* @param LayerWidget The widget container for the layer. 层的控件容器。
|
||||
*/
|
||||
UFUNCTION(BlueprintCallable, Category="GUIS")
|
||||
void RegisterLayer(UPARAM(meta = (Categories = "UI.Layer,GUIS.Layer")) FGameplayTag LayerTag, UCommonActivatableWidgetContainerBase *LayerWidget);
|
||||
|
||||
/**
|
||||
* Called when the dormant state changes.
|
||||
* 当休眠状态更改时调用。
|
||||
*/
|
||||
virtual void OnIsDormantChanged();
|
||||
|
||||
/**
|
||||
* Handles widget stack transitioning events.
|
||||
* 处理控件堆栈转换事件。
|
||||
* @param Widget The widget container transitioning. 转换的控件容器。
|
||||
* @param bIsTransitioning True if transitioning, false otherwise. 如果正在转换则为true，否则为false。
|
||||
*/
|
||||
void OnWidgetStackTransitioning(UCommonActivatableWidgetContainerBase *Widget, bool bIsTransitioning);
|
||||
|
||||
private:
|
||||
/**
|
||||
* Indicates if the layout is dormant.
|
||||
* 指示布局是否休眠。
|
||||
*/
|
||||
bool bIsDormant = false;
|
||||
|
||||
/**
|
||||
* Tracks all suspended input tokens for async UI loading.
|
||||
* 跟踪异步UI加载的所有暂停输入令牌。
|
||||
*/
|
||||
TArray<FName> SuspendInputTokens;
|
||||
|
||||
/**
|
||||
* Registered layers for the primary layout.
|
||||
* 主布局的注册层。
|
||||
*/
|
||||
UPROPERTY(Transient, meta = (Categories = "UI.Layer,GUIS.Layer"))
|
||||
TMap<FGameplayTag, TObjectPtr<UCommonActivatableWidgetContainerBase>> Layers;
|
||||
};
|
||||
Reference in New Issue
Block a user