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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "AbilitySystemGlobals.h"
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#include "GGA_AbilitySystemStructLibrary.h"
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#include "GGA_AbilitySystemGlobals.generated.h"
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class IGGA_AbilitySystemGlobalsEventReceiver;
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/**
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* Extended ability system globals for custom functionality.
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* 扩展的技能系统全局类，提供自定义功能。
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*/
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UCLASS()
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class GENERICGAMEPLAYABILITIES_API UGGA_AbilitySystemGlobals : public UAbilitySystemGlobals
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{
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GENERATED_BODY()
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public:
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/**
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* Processes gameplay effect specs before application.
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* 在应用游戏效果规格前进行处理。
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* @param Spec The gameplay effect spec. 游戏效果规格。
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* @param AbilitySystemComponent The ability system component. 技能系统组件。
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*/
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virtual void GlobalPreGameplayEffectSpecApply(FGameplayEffectSpec& Spec, UAbilitySystemComponent* AbilitySystemComponent) override;
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/**
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* Allocate a GGA_GameplayEffectContext struct. Caller is responsible for deallocation
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* 分配一个GGA_GameplayEffectContext.
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*/
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virtual FGameplayEffectContext* AllocGameplayEffectContext() const override;
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/**
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* Retrieves the ability system globals instance.
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* 获取技能系统全局实例。
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* @return The ability system globals instance. 技能系统全局实例。
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*/
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UFUNCTION(BlueprintCallable, BlueprintPure, Category = "GGA|Globals")
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static const UAbilitySystemGlobals* GetAbilitySystemGlobals();
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/**
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* Retrieves a typed ability system globals instance.
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* 获取特定类型的技能系统全局实例。
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* @param DesiredClass The desired class type. 所需的类类型。
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* @return The typed ability system globals instance. 特定类型的技能系统全局实例。
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*/
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UFUNCTION(BlueprintCallable, BlueprintPure, Category = "GGA|Globals", meta=(DynamicOutputParam=ReturnValue, DeterminesOutputType=DesiredClass))
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static const UAbilitySystemGlobals* GetTypedAbilitySystemGloabls(TSubclassOf<UAbilitySystemGlobals> DesiredClass);
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/**
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* Registers an event receiver for global events.
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* 为全局事件注册事件接收器。
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* @param NewReceiver The event receiver to register. 要注册的事件接收器。
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*/
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UFUNCTION(BlueprintCallable, Category = "GGA|Globals", meta=(DefaultToSelf="NewReceiver"))
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static void RegisterEventReceiver(TScriptInterface<IGGA_AbilitySystemGlobalsEventReceiver> NewReceiver);
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/**
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* Unregisters an event receiver from global events.
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* 从全局事件取消注册事件接收器。
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* @param NewReceiver The event receiver to unregister. 要取消注册的事件接收器。
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*/
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UFUNCTION(BlueprintCallable, Category = "GGA|Globals", meta=(DefaultToSelf="NewReceiver"))
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static void UnregisterEventReceiver(TScriptInterface<IGGA_AbilitySystemGlobalsEventReceiver> NewReceiver);
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/**
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* Retrieves all currently loaded attribute default curve tables.
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* 获取当前加载的所有属性默认曲线表。
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* @return Array of curve tables. 曲线表数组。
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*/
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UFUNCTION(BlueprintCallable, BlueprintPure, Category = "GGA|Globals")
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TArray<UCurveTable*> GetAttributeDefaultsTables() const;
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/**
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* Initializes attribute set defaults for an ability system component.
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* 为技能系统组件初始化属性集默认值。
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* @param AbilitySystem The ability system component. 技能系统组件。
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* @param GroupName The attribute group name. 属性组名称。
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* @param Level The level to initialize. 初始化等级。
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* @param bInitialInit Whether this is the initial initialization. 是否为初始初始化。
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*/
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UFUNCTION(BlueprintCallable, BlueprintPure=false, Category = "GGA|Globals")
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void InitAttributeSetDefaults(UAbilitySystemComponent* AbilitySystem, const FGGA_AttributeGroupName& GroupName, int32 Level = 1, bool bInitialInit = false) const;
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/**
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* Applies a single attribute default to an ability system component.
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* 为技能系统组件应用单个属性默认值。
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* @param AbilitySystem The ability system component. 技能系统组件。
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* @param InAttribute The attribute to apply. 要应用的属性。
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* @param GroupName The attribute group name. 属性组名称。
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* @param Level The level to apply. 应用等级。
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*/
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UFUNCTION(BlueprintCallable, BlueprintPure=false, Category = "GGA|Globals")
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void ApplyAttributeDefault(UAbilitySystemComponent* AbilitySystem, FGameplayAttribute& InAttribute, const FGGA_AttributeGroupName& GroupName, int32 Level) const;
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private:
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/**
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* List of registered event receivers.
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* 注册的事件接收器列表。
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*/
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UPROPERTY()
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TArray<TScriptInterface<IGGA_AbilitySystemGlobalsEventReceiver>> Receivers;
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};
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/**
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* Interface for receiving global ability system events.
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* 接收全局技能系统事件的接口。
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*/
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UINTERFACE()
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class GENERICGAMEPLAYABILITIES_API UGGA_AbilitySystemGlobalsEventReceiver : public UInterface
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{
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GENERATED_BODY()
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};
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/**
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* Implementation class for global ability system event receiver.
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* 全局技能系统事件接收器的实现类。
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*/
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class GENERICGAMEPLAYABILITIES_API IGGA_AbilitySystemGlobalsEventReceiver
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{
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GENERATED_BODY()
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public:
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/**
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* Handles global pre-gameplay effect spec application.
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* 处理全局游戏效果规格应用前的事件。
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* @param Spec The gameplay effect spec. 游戏效果规格。
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* @param AbilitySystemComponent The ability system component. 技能系统组件。
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*/
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virtual void ReceiveGlobalPreGameplayEffectSpecApply(FGameplayEffectSpec& Spec, UAbilitySystemComponent* AbilitySystemComponent);
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protected:
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/**
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* Virtual function for handling pre-gameplay effect spec application.
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* 处理游戏效果规格应用前的虚函数。
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* @param Spec The gameplay effect spec. 游戏效果规格。
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* @param AbilitySystemComponent The ability system component. 技能系统组件。
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*/
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virtual void OnGlobalPreGameplayEffectSpecApply(FGameplayEffectSpec& Spec, UAbilitySystemComponent* AbilitySystemComponent) = 0;
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/**
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* Blueprint event for handling pre-gameplay effect spec application.
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* 处理游戏效果规格应用前的蓝图事件。
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* @param Spec The gameplay effect spec. 游戏效果规格。
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* @param AbilitySystemComponent The ability system component. 技能系统组件。
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* @param OutDynamicTagsAppendToSpec Tags to append to the spec (output). 要附加到规格的标签（输出）。
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*/
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UFUNCTION(BlueprintCallable, BlueprintImplementableEvent, Category="GGA|Global", meta=(DisplayName="On Global Pre Gameplay Effect Spec Apply"))
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void OnGlobalPreGameplayEffectSpecApply_Bp(const FGameplayEffectSpec& Spec, UAbilitySystemComponent* AbilitySystemComponent, FGameplayTagContainer& OutDynamicTagsAppendToSpec);
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};
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@@ -0,0 +1,58 @@
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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "StructUtils/InstancedStruct.h"
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#include "Abilities/GameplayAbilityTargetTypes.h"
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#include "GGA_GameplayAbilityTargetData_Payload.generated.h"
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/**
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*
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*/
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USTRUCT(BlueprintType)
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struct GENERICGAMEPLAYABILITIES_API FGGA_GameplayAbilityTargetData_Payload : public FGameplayAbilityTargetData
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{
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GENERATED_BODY()
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virtual ~FGGA_GameplayAbilityTargetData_Payload() override
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{
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}
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FGGA_GameplayAbilityTargetData_Payload()
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{
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};
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FGGA_GameplayAbilityTargetData_Payload(const FInstancedStruct& InPayload)
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: Payload(InPayload)
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{
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}
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virtual UScriptStruct* GetScriptStruct() const override
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{
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return FGGA_GameplayAbilityTargetData_Payload::StaticStruct();
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}
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virtual FString ToString() const override
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{
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return TEXT("FGGA_GameplayAbilityTargetData_Payload");
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}
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UPROPERTY(BlueprintReadWrite, EditAnywhere, Category = Targeting)
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FInstancedStruct Payload;
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bool NetSerialize(FArchive& Ar, class UPackageMap* Map, bool& bOutSuccess)
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{
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return Payload.NetSerialize(Ar, Map, bOutSuccess);
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};
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};
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template <>
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struct TStructOpsTypeTraits<FGGA_GameplayAbilityTargetData_Payload> : public TStructOpsTypeTraitsBase2<FGGA_GameplayAbilityTargetData_Payload>
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{
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enum
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{
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WithNetSerializer = true, // For now this is REQUIRED for FGameplayAbilityTargetDataHandle net serialization to work
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};
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};
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@@ -0,0 +1,108 @@
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// Copyright 2025 https://yuewu.dev/en All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "GameplayEffectTypes.h"
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#include "Runtime/Launch/Resources/Version.h"
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#if ENGINE_MINOR_VERSION < 5
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#include "InstancedStruct.h"
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#else
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#include "StructUtils/InstancedStruct.h"
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#endif
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#include "GGA_GameplayEffectContext.generated.h"
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/**
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*
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*/
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USTRUCT()
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struct GENERICGAMEPLAYABILITIES_API FGGA_GameplayEffectContext : public FGameplayEffectContext
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{
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GENERATED_BODY()
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virtual FGameplayEffectContext* Duplicate() const override;
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virtual UScriptStruct* GetScriptStruct() const override;
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virtual bool NetSerialize(FArchive& Ar, UPackageMap* Map, bool& bOutSuccess) override;
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TArray<FInstancedStruct>& GetPayloads();
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void AddOrOverwriteData(const FInstancedStruct& DataInstance);
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const FInstancedStruct* FindPayloadByType(const UScriptStruct* PayloadType) const;
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FInstancedStruct* FindPayloadByType(const UScriptStruct* PayloadType);
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FInstancedStruct* FindOrAddPayloadByType(const UScriptStruct* PayloadType);
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FInstancedStruct* AddPayloadByType(const UScriptStruct* PayloadType);
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bool RemovePayloadByType(const UScriptStruct* PayloadType);
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/** Find payload of a specific type in this context (mutable version). If not found, null will be returned. */
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template <typename T>
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T* FindMutablePayloadByType()
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{
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if (FInstancedStruct* FoundData = FindPayloadByType(T::StaticStruct()))
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{
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return FoundData->GetMutablePtr<T>();
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}
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return nullptr;
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}
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/** Find payload of a specific type in this context. If not found, null will be returned. */
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template <typename T>
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const T* FindPayload() const
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{
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if (const FInstancedStruct* FoundData = FindPayloadByType(T::StaticStruct()))
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{
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return FoundData->GetPtr<T>();
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}
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return nullptr;
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}
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/** Find payload of a specific type in this context. If not found, a new default instance will be added. */
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template <typename T>
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const T& FindOrAddPayload()
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{
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if (const T* ExistingData = FindPayload<T>())
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{
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return *ExistingData;
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}
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FInstancedStruct* NewData = AddPayloadByType(T::StaticStruct());
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return NewData->Get<T>();
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}
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/** Find payload of a specific type in this context. (mutable version). If not found, a new default instance will be added. */
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template <typename T>
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T& FindOrAddMutablePayload()
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{
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if (T* ExistingData = FindMutablePayloadByType<T>())
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{
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return *ExistingData;
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}
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FInstancedStruct* NewData = AddPayloadByType(T::StaticStruct());
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return NewData->GetMutable<T>();
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}
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template <typename T>
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T* FindOrAddMutablePayloadPtr()
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{
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if (T* ExistingData = FindMutablePayloadByType<T>())
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{
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return ExistingData;
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}
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FInstancedStruct* NewData = AddPayloadByType(T::StaticStruct());
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return NewData->GetMutablePtr<T>();
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}
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protected:
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UPROPERTY()
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TArray<FInstancedStruct> Payloads;
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};
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template <>
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struct TStructOpsTypeTraits<FGGA_GameplayEffectContext> : TStructOpsTypeTraitsBase2<FGGA_GameplayEffectContext>
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{
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enum
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{
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WithNetSerializer = true,
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WithCopy = true
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};
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};
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