114 lines
5.2 KiB
C++
114 lines
5.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Abilities/LyraGameplayAbility.h"
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#include "AbilitySystemComponent.h"
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#include "Containers/Array.h"
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#include "Engine/EngineTypes.h"
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#include "GameplayAbilitySpec.h"
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#include "GameplayTagContainer.h"
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#include "HAL/Platform.h"
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#include "NativeGameplayTags.h"
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#include "Templates/Function.h"
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#include "UObject/UObjectGlobals.h"
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#include "LyraAbilitySystemComponent.generated.h"
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class AActor;
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class UGameplayAbility;
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class ULyraAbilityTagRelationshipMapping;
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class UObject;
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struct FFrame;
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struct FGameplayAbilityTargetDataHandle;
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LYRAGAME_API UE_DECLARE_GAMEPLAY_TAG_EXTERN(TAG_Gameplay_AbilityInputBlocked);
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/**
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* ULyraAbilitySystemComponent
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*
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* Base ability system component class used by this project.
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*/
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UCLASS()
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class LYRAGAME_API ULyraAbilitySystemComponent : public UAbilitySystemComponent
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{
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GENERATED_BODY()
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public:
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ULyraAbilitySystemComponent(const FObjectInitializer& ObjectInitializer = FObjectInitializer::Get());
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//~UActorComponent interface
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virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override;
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//~End of UActorComponent interface
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virtual void InitAbilityActorInfo(AActor* InOwnerActor, AActor* InAvatarActor) override;
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typedef TFunctionRef<bool(const ULyraGameplayAbility* LyraAbility, FGameplayAbilitySpecHandle Handle)> TShouldCancelAbilityFunc;
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void CancelAbilitiesByFunc(TShouldCancelAbilityFunc ShouldCancelFunc, bool bReplicateCancelAbility);
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void CancelInputActivatedAbilities(bool bReplicateCancelAbility);
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void AbilityInputTagPressed(const FGameplayTag& InputTag);
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void AbilityInputTagReleased(const FGameplayTag& InputTag);
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void ProcessAbilityInput(float DeltaTime, bool bGamePaused);
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void ClearAbilityInput();
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bool IsActivationGroupBlocked(ELyraAbilityActivationGroup Group) const;
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void AddAbilityToActivationGroup(ELyraAbilityActivationGroup Group, ULyraGameplayAbility* LyraAbility);
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void RemoveAbilityFromActivationGroup(ELyraAbilityActivationGroup Group, ULyraGameplayAbility* LyraAbility);
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void CancelActivationGroupAbilities(ELyraAbilityActivationGroup Group, ULyraGameplayAbility* IgnoreLyraAbility, bool bReplicateCancelAbility);
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// Uses a gameplay effect to add the specified dynamic granted tag.
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void AddDynamicTagGameplayEffect(const FGameplayTag& Tag);
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// Removes all active instances of the gameplay effect that was used to add the specified dynamic granted tag.
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void RemoveDynamicTagGameplayEffect(const FGameplayTag& Tag);
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/** Gets the ability target data associated with the given ability handle and activation info */
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void GetAbilityTargetData(const FGameplayAbilitySpecHandle AbilityHandle, FGameplayAbilityActivationInfo ActivationInfo, FGameplayAbilityTargetDataHandle& OutTargetDataHandle);
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/** Sets the current tag relationship mapping, if null it will clear it out */
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void SetTagRelationshipMapping(ULyraAbilityTagRelationshipMapping* NewMapping);
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/** Looks at ability tags and gathers additional required and blocking tags */
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void GetAdditionalActivationTagRequirements(const FGameplayTagContainer& AbilityTags, FGameplayTagContainer& OutActivationRequired, FGameplayTagContainer& OutActivationBlocked) const;
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protected:
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void TryActivateAbilitiesOnSpawn();
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virtual void AbilitySpecInputPressed(FGameplayAbilitySpec& Spec) override;
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virtual void AbilitySpecInputReleased(FGameplayAbilitySpec& Spec) override;
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virtual void NotifyAbilityActivated(const FGameplayAbilitySpecHandle Handle, UGameplayAbility* Ability) override;
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virtual void NotifyAbilityFailed(const FGameplayAbilitySpecHandle Handle, UGameplayAbility* Ability, const FGameplayTagContainer& FailureReason) override;
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virtual void NotifyAbilityEnded(FGameplayAbilitySpecHandle Handle, UGameplayAbility* Ability, bool bWasCancelled) override;
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virtual void ApplyAbilityBlockAndCancelTags(const FGameplayTagContainer& AbilityTags, UGameplayAbility* RequestingAbility, bool bEnableBlockTags, const FGameplayTagContainer& BlockTags, bool bExecuteCancelTags, const FGameplayTagContainer& CancelTags) override;
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virtual void HandleChangeAbilityCanBeCanceled(const FGameplayTagContainer& AbilityTags, UGameplayAbility* RequestingAbility, bool bCanBeCanceled) override;
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/** Notify client that an ability failed to activate */
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UFUNCTION(Client, Unreliable)
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void ClientNotifyAbilityFailed(const UGameplayAbility* Ability, const FGameplayTagContainer& FailureReason);
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void HandleAbilityFailed(const UGameplayAbility* Ability, const FGameplayTagContainer& FailureReason);
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protected:
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// If set, this table is used to look up tag relationships for activate and cancel
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UPROPERTY()
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TObjectPtr<ULyraAbilityTagRelationshipMapping> TagRelationshipMapping;
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// Handles to abilities that had their input pressed this frame.
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TArray<FGameplayAbilitySpecHandle> InputPressedSpecHandles;
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// Handles to abilities that had their input released this frame.
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TArray<FGameplayAbilitySpecHandle> InputReleasedSpecHandles;
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// Handles to abilities that have their input held.
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TArray<FGameplayAbilitySpecHandle> InputHeldSpecHandles;
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// Number of abilities running in each activation group.
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int32 ActivationGroupCounts[(uint8)ELyraAbilityActivationGroup::MAX];
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};
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