File size: 4,242 Bytes
7fd553e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | // Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "GameFeatureAction_WorldActionBase.h"
#include "UObject/SoftObjectPtr.h"
#include "GameFeatureAction_AddInputContextMapping.generated.h"
class AActor;
class UInputMappingContext;
class UPlayer;
class APlayerController;
struct FComponentRequestHandle;
USTRUCT()
struct FInputMappingContextAndPriority
{
GENERATED_BODY()
UPROPERTY(EditAnywhere, Category="Input", meta=(AssetBundles="Client,Server"))
TSoftObjectPtr<UInputMappingContext> InputMapping;
// Higher priority input mappings will be prioritized over mappings with a lower priority.
UPROPERTY(EditAnywhere, Category="Input")
int32 Priority = 0;
/** If true, then this mapping context will be registered with the settings when this game feature action is registered. */
UPROPERTY(EditAnywhere, Category="Input")
bool bRegisterWithSettings = true;
};
/**
* Adds InputMappingContext to local players' EnhancedInput system.
* Expects that local players are set up to use the EnhancedInput system.
*/
UCLASS(MinimalAPI, meta = (DisplayName = "Add Input Mapping"))
class UGameFeatureAction_AddInputContextMapping final : public UGameFeatureAction_WorldActionBase
{
GENERATED_BODY()
public:
//~UGameFeatureAction interface
virtual void OnGameFeatureRegistering() override;
virtual void OnGameFeatureActivating(FGameFeatureActivatingContext& Context) override;
virtual void OnGameFeatureDeactivating(FGameFeatureDeactivatingContext& Context) override;
virtual void OnGameFeatureUnregistering() override;
//~End of UGameFeatureAction interface
//~UObject interface
#if WITH_EDITOR
virtual EDataValidationResult IsDataValid(class FDataValidationContext& Context) const override;
#endif
//~End of UObject interface
UPROPERTY(EditAnywhere, Category="Input")
TArray<FInputMappingContextAndPriority> InputMappings;
private:
struct FPerContextData
{
TArray<TSharedPtr<FComponentRequestHandle>> ExtensionRequestHandles;
TArray<TWeakObjectPtr<APlayerController>> ControllersAddedTo;
};
TMap<FGameFeatureStateChangeContext, FPerContextData> ContextData;
/** Delegate for when the game instance is changed to register IMC's */
FDelegateHandle RegisterInputContextMappingsForGameInstanceHandle;
/** Registers owned Input Mapping Contexts to the Input Registry Subsystem. Also binds onto the start of GameInstances and the adding/removal of Local Players. */
void RegisterInputMappingContexts();
/** Registers owned Input Mapping Contexts to the Input Registry Subsystem for a specified GameInstance. This also gets called by a GameInstance Start. */
void RegisterInputContextMappingsForGameInstance(UGameInstance* GameInstance);
/** Registers owned Input Mapping Contexts to the Input Registry Subsystem for a specified Local Player. This also gets called when a Local Player is added. */
void RegisterInputMappingContextsForLocalPlayer(ULocalPlayer* LocalPlayer);
/** Unregisters owned Input Mapping Contexts from the Input Registry Subsystem. Also unbinds from the start of GameInstances and the adding/removal of Local Players. */
void UnregisterInputMappingContexts();
/** Unregisters owned Input Mapping Contexts from the Input Registry Subsystem for a specified GameInstance. */
void UnregisterInputContextMappingsForGameInstance(UGameInstance* GameInstance);
/** Unregisters owned Input Mapping Contexts from the Input Registry Subsystem for a specified Local Player. This also gets called when a Local Player is removed. */
void UnregisterInputMappingContextsForLocalPlayer(ULocalPlayer* LocalPlayer);
//~UGameFeatureAction_WorldActionBase interface
virtual void AddToWorld(const FWorldContext& WorldContext, const FGameFeatureStateChangeContext& ChangeContext) override;
//~End of UGameFeatureAction_WorldActionBase interface
void Reset(FPerContextData& ActiveData);
void HandleControllerExtension(AActor* Actor, FName EventName, FGameFeatureStateChangeContext ChangeContext);
void AddInputMappingForPlayer(UPlayer* Player, FPerContextData& ActiveData);
void RemoveInputMapping(APlayerController* PlayerController, FPerContextData& ActiveData);
};
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