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Plugins/GCS/Source/GenericCombatSystem/Public/AbilitySystem/Abilities/GCS_CombatAbility.h

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+// Copyright 2025 https://yuewu.dev/en  All Rights Reserved.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "GGA_GameplayAbility.h"
+#include "GCS_CombatAbility.generated.h"
+
+class IGCS_CombatEntityInterface;
+class UGCS_CombatSystemComponent;
+
+/**
+ * Base combat ability.
+ * 基础战斗能力。
+ */
+UCLASS(Abstract)
+class GENERICCOMBATSYSTEM_API UGCS_CombatAbility : public UGGA_GameplayAbility
+{
+	GENERATED_BODY()
+
+protected:
+	UFUNCTION(BlueprintCallable, BlueprintPure, Category="GCS|Ability")
+	UGCS_CombatSystemComponent* GetCombatSystemFromActorInfo() const;
+
+	UFUNCTION(BlueprintCallable, BlueprintPure, Category="GCS|Ability")
+	UObject* GetCombatEntityFromActorInfo() const;
+
+	UFUNCTION(BlueprintCallable, BlueprintPure, Category="GCS|Ability")
+	TScriptInterface<IGCS_CombatEntityInterface> GetCombatEntityInterfaceFromActorInfo() const;
+};

Plugins/GCS/Source/GenericCombatSystem/Public/AbilitySystem/Abilities/GCS_ComboAbility.h

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+// Copyright 2025 https://yuewu.dev/en  All Rights Reserved.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "GCS_CombatAbility.h"
+#include "Combo/GCS_ComboDefinition.h"
+#include "GCS_ComboAbility.generated.h"
+
+class UGCS_CombatSystemComponent;
+class UAS_Combat;
+
+/**
+ * This combo ability acted as manager of sub abilities.
+ */
+UCLASS(Abstract, HideCategories=(Cooldowns,Input,GampelayEffects))
+class GENERICCOMBATSYSTEM_API UGCS_ComboAbility : public UGCS_CombatAbility
+{
+	GENERATED_BODY()
+
+public:
+	UGCS_ComboAbility();
+
+	virtual void PreActivate(const FGameplayAbilitySpecHandle Handle, const FGameplayAbilityActorInfo* ActorInfo, const FGameplayAbilityActivationInfo ActivationInfo,
+	                         FOnGameplayAbilityEnded::FDelegate* OnGameplayAbilityEndedDelegate, const FGameplayEventData* TriggerEventData = nullptr) override;
+	virtual void ActivateAbility(const FGameplayAbilitySpecHandle Handle, const FGameplayAbilityActorInfo* ActorInfo, const FGameplayAbilityActivationInfo ActivationInfo,
+	                             const FGameplayEventData* TriggerEventData) override;
+	virtual bool CanActivateAbility(const FGameplayAbilitySpecHandle Handle, const FGameplayAbilityActorInfo* ActorInfo, const FGameplayTagContainer* SourceTags = nullptr,
+	                                const FGameplayTagContainer* TargetTags = nullptr, FGameplayTagContainer* OptionalRelevantTags = nullptr) const override;
+	virtual void OnGiveAbility(const FGameplayAbilityActorInfo* ActorInfo, const FGameplayAbilitySpec& Spec) override;
+	virtual void OnRemoveAbility(const FGameplayAbilityActorInfo* ActorInfo, const FGameplayAbilitySpec& Spec) override;
+
+	virtual void EndAbility(const FGameplayAbilitySpecHandle Handle, const FGameplayAbilityActorInfo* ActorInfo, const FGameplayAbilityActivationInfo ActivationInfo, bool bReplicateEndAbility,
+	                        bool bWasCancelled) override;
+
+protected:
+	UFUNCTION(BlueprintCallable, BlueprintNativeEvent, Category = "Combat Ability")
+	bool AllowAdvanceCombo() const;
+
+	UFUNCTION(BlueprintCallable, BlueprintNativeEvent, Category = "Combat Ability")
+	void StartCombo(const FGameplayEventData& ComboEvent);
+	virtual void StartCombo_Implementation(const FGameplayEventData& ComboEvent);
+
+	/**
+	 * Advance combo with ComboEventData as context.
+	 * @param ComboEventData The data used as combo context. 游戏事件数据作为连击上下文。
+	 */
+	UFUNCTION(BlueprintCallable, BlueprintNativeEvent, Category = "Combat Ability")
+	void AdvanceCombo(const FGameplayEventData& ComboEventData);
+	virtual void AdvanceCombo_Implementation(const FGameplayEventData& ComboEventData);
+
+	UFUNCTION(BlueprintCallable, BlueprintNativeEvent, Category = "Combat Ability")
+	void ResetCombo();
+
+	UFUNCTION()
+	virtual void HandleAbilityEnd(const FAbilityEndedData& AbilityEndedData);
+
+	virtual bool SelectComboDefinition(const FGameplayEventData& ComboEventData, int32 CurrentStep, FGCS_ComboDefinition& OutDefinition);
+
+	/**
+	 * This is where you can use the extension filed within your combo definition to apply additional rules.
+	 * 这里你可以使用连击定义中的自定义字段来添加额外的选择规则。
+	 * @param ComboEvent The combo event data to provide as context.连击事件数据，用作上下文参考。
+	 * @param CurrentStep The current combo step of combat system. 当前的连击步骤。
+	 * @param ComboDefinition The combo definition you are checking. 正在检查的连击定义。
+	 */
+	UFUNCTION(BlueprintNativeEvent, Category = "Combat Ability")
+	bool CanSelectedComboDefinition(const FGameplayEventData& ComboEvent, int32 CurrentStep, const FGCS_ComboDefinition& ComboDefinition) const;
+
+	virtual void HandleComboExecution(const FGameplayEventData& ComboEventData);
+
+	// virtual void GiveSubAbilities(const FGameplayAbilitySpec& CurrentSpec);
+	// virtual void RemoveSubAbilities();
+
+protected:
+	bool bCurrentAbilityEnded = false;
+
+	//The ability current combo step was executing.
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="Combo")
+	FGameplayAbilitySpecHandle CurrentAbility;
+
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="Combo")
+	TSubclassOf<UGameplayAbility> CurrentAbilityClass;
+
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="Combo")
+	FGameplayAbilitySpecHandle NextAbility;
+
+	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="Combo")
+	TSubclassOf<UGameplayAbility> NextAbilityAbilityClass;
+
+	int32 DesiredComboStep{INDEX_NONE};
+
+	/**
+	 * Granted potential combo abilities.
+	 * 赋予的潜在ComboAbilities.
+	 */
+	// UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category="Combo")
+	// TArray<FGameplayAbilitySpecHandle> AvailableAbilities;
+
+	FDelegateHandle AbilityEndedDelegateHandle;
+
+#if WITH_EDITOR
+	virtual EDataValidationResult IsDataValid(class FDataValidationContext& Context) const override;
+#endif
+};