118 lines
4.6 KiB
C++
118 lines
4.6 KiB
C++
// ©2022 Batty Bovine Productions, LLC. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "Components/ActorComponent.h"
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#include "ComboInputAssets.h"
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#include "Events/ComboActionDelegateBinding.h"
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#include "ComboManagerComponent.generated.h"
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DECLARE_LOG_CATEGORY_EXTERN(LogComboManagerComponent, Log, All);
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DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FComboActionHandlerDelegate, const class UComboAction *, ComboAction, const bool, Activated);
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DECLARE_DYNAMIC_DELEGATE_TwoParams(FComboActionHandlerDynamicSignature, const class UComboAction *, ComboAction, const EComboActionTriggerEvent &, TriggerEvent);
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struct COMBOINPUT_API FComboDelegateKey
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{
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public:
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FComboDelegateKey(const class UComboAction *ComboAction, const EComboActionTriggerEvent &TriggerEvent)
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{
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this->Key = FName(ComboAction->GetName() + TEXT("_") + StaticEnum<EComboActionTriggerEvent>()->GetDisplayNameTextByIndex((uint8)TriggerEvent).ToString());
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}
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FName Key;
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};
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USTRUCT(BlueprintType)
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struct COMBOINPUT_API FComboOffsetMap
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{
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GENERATED_BODY()
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public:
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UPROPERTY(BlueprintReadOnly, EditAnywhere) TObjectPtr<const class UComboInputAsset> ComboInput;
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UPROPERTY(BlueprintReadOnly, EditAnywhere) TObjectPtr<const class UComboAction> ComboAction;
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};
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UCLASS(BlueprintType, ClassGroup=(Input), meta=(BlueprintSpawnableComponent))
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class COMBOINPUT_API UComboManagerComponent : public UActorComponent
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{
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GENERATED_BODY()
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public:
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UComboManagerComponent();
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virtual void InitializeComponent() override;
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UFUNCTION(BlueprintCallable)
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void SetComboGraph(const class UComboActionGraph *Graph);
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UFUNCTION(BlueprintCallable)
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void HandleComboInput(const class UComboInputAsset *Input, const EComboActionTriggerEvent &TriggerEvent);
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void BindAction(UObject *ObjectToBindTo, FName FunctionName, const class UComboAction *ComboAction, const EComboActionTriggerEvent &TriggerEvent)
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{
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FComboActionHandlerDynamicSignature Delegate;
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Delegate.BindUFunction(ObjectToBindTo, FunctionName);
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const FComboDelegateKey Key(ComboAction, TriggerEvent);
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this->ComboActionEventBindings.Emplace(Key.Key, MoveTemp(Delegate));
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}
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// Recursively search the graph for all inputs used by the graph.
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TSet<const UComboInputAsset *> &FindAllUsedInputs();
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protected:
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UPROPERTY(BlueprintReadOnly, EditDefaultsOnly)
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TObjectPtr<const class UComboActionGraph> ComboGraph;
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// This input will be recognised as an offset input, which cancels a node transition
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// if activated early enough in the transition. This locks the current place in the
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// combo and allows this combo string to be continued after this input has executed.
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// The associated combo action will then be activated.
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UPROPERTY(BlueprintReadOnly, EditDefaultsOnly)
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FComboOffsetMap OffsetMap;
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// A list of default input->action mappings. If you wish for an action to be handled
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// outside the scope of a combo sequence node, it should go here.
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UPROPERTY(BlueprintReadOnly, EditDefaultsOnly)
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TMap<TObjectPtr<const class UComboInputAsset>, TObjectPtr<const class UComboAction>> FallbackActions;
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UPROPERTY(BlueprintReadOnly, EditDefaultsOnly)
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TMap<TObjectPtr<const class UComboInputAsset>, float> DEBUG__UnlockTimers;
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UPROPERTY(BlueprintReadWrite, BlueprintAssignable)
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FComboActionHandlerDelegate OnUnhandledAction;
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private:
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void ActivateComboAction(const class UComboInputAsset *Input);
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void ReleaseComboAction(const class UComboInputAsset *Input);
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void BeginNodeTransition(const class UComboActionGraphNode *NextNode);
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void FinishTransition();
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void ResetCombo();
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const UComboActionGraphNode *FindActiveNodeData(const UComboActionGraphNode *CurrentNode, const UComboInputAsset *Input, const EComboActionTriggerEvent TriggerEvent, const UComboAction *&ComboAction);
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void FindAllUsedInputs_RecurseGraph(const UComboActionGraphNode *CurrentNode, TSet<const UComboInputAsset *> &FoundInputs);
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void BroadcastDelegates(const class UComboAction *ComboAction, const EComboActionTriggerEvent &TriggerEvent);
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void DEBUG__UnlockAction(TObjectPtr<const class UComboInputAsset> Unlock);
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TObjectPtr<const class UComboActionGraphNode> ActiveNode = nullptr;
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TObjectPtr<const class UComboActionGraphNode> PreviousNode = nullptr;
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TObjectPtr<const class UComboAction> LastComboAction = nullptr;
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TMap<FName, FComboActionHandlerDynamicSignature> ComboActionEventBindings;
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TObjectPtr<class UInputBufferComponent> AttachedInputBuffer;
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// Cache of combo inputs found in the current graph.
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TSet<const UComboInputAsset *> FoundInputsCache;
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FTimerHandle FinishTransitionTimer;
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FTimerHandle DEBUG__ResetComboTimer;
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TMap<TObjectPtr<const class UComboInputAsset>, FTimerHandle> DEBUG__TimerHandles;
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};
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