feat: 增加蹲下功能

Source/lonese/MyCharacter.cpp

@@ -27,12 +27,29 @@ void AMyCharacter::StopRun(const FInputActionValue& Value)
 	GetCharacterMovement()->MaxWalkSpeed = 600.0f;
 }
 
+void AMyCharacter::BeginCrouch(const FInputActionValue& Value)
+{
+	bIsCrouching = true;
+	GetCharacterMovement()->bWantsToCrouch = true;
+	GetCharacterMovement()->Crouch();
+	UE_LOG(LogTemp, Warning, TEXT("Crouching"));
+}
+
+void AMyCharacter::StopCrouch(const FInputActionValue& Value)
+{
+	bIsCrouching = false;
+	GetCharacterMovement()->bWantsToCrouch = false;
+	GetCharacterMovement()->UnCrouch();
+	UE_LOG(LogTemp, Warning, TEXT("Stop Crouch"));
+}
+
 // Sets default values
 AMyCharacter::AMyCharacter()
 {
  	// Set this character to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
 	PrimaryActorTick.bCanEverTick = true;
 
+	GetCharacterMovement()->GetNavAgentPropertiesRef().bCanCrouch = true;
 }
 
 // Called when the game starts or when spawned
@@ -75,6 +92,10 @@ void AMyCharacter::SetupPlayerInputComponent(UInputComponent* PlayerInputCompone
 			EnhancedInputComponent->BindAction(RunAction, ETriggerEvent::Started, this, &AMyCharacter::BeginRun);
 			EnhancedInputComponent->BindAction(RunAction, ETriggerEvent::Completed, this, &AMyCharacter::StopRun);
 		}
+		if (CrouchAction) {
+			EnhancedInputComponent->BindAction(CrouchAction, ETriggerEvent::Started, this, &AMyCharacter::BeginCrouch);
+			EnhancedInputComponent->BindAction(CrouchAction, ETriggerEvent::Completed, this, &AMyCharacter::StopCrouch);
+		}
 	}
 }
 

Source/lonese/MyCharacter.h

@@ -18,6 +18,8 @@ public:
 	class UInputAction* MoveAction;
 	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Input")
 	class UInputAction* RunAction;
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Input")
+	class UInputAction* CrouchAction;
 
 	UFUNCTION(BlueprintCallable, Category = "Move")
 	void Move(const FInputActionValue& Value);
@@ -25,6 +27,15 @@ public:
 	void BeginRun(const FInputActionValue& Value);
 	UFUNCTION(BlueprintCallable, Category = "Move")
 	void StopRun(const FInputActionValue& Value);
+	UFUNCTION(BlueprintCallable, Category = "Move")
+	void BeginCrouch(const FInputActionValue& Value);
+	UFUNCTION(BlueprintCallable, Category = "Move")
+	void StopCrouch(const FInputActionValue& Value);
+
+	UFUNCTION(BlueprintCallable, Category = "State")
+	bool IsRunning() const { return bIsRunning; }
+	UFUNCTION(BlueprintCallable, Category = "State")
+	bool IsCrouching() const { return bIsCrouching; }
 
 	// Sets default values for this character's properties
 	AMyCharacter();
@@ -40,4 +51,5 @@ protected:
 
 private:
 	bool bIsRunning = false;
+	bool bIsCrouching = false;
 };