Add more options to launch parameters and update jump so it uses our own launch function

SwordNGun/Source/SwordNGun/Private/Components/SNGCharacterMovementComponent.cpp

@@ -79,12 +79,16 @@ void USNGCharacterMovementComponent::RestoreMovementDefaults()
 void USNGCharacterMovementComponent::Dash()
 {
 	FLaunchParameters LaunchParams;
+	LaunchParams.bOverrideX = true;
+	LaunchParams.bOverrideY = true;
+	LaunchParams.bOverrideZ = true;
 	LaunchParams.bOverrideMovementMode = false;
 	LaunchParams.GroundFriction = DashGroundFriction;
 	LaunchParams.GravityScale = DashGravityScale;
 	LaunchParams.FloatTime = DashFloatTime;
 	LaunchParams.SlideTime = DashSlideTime;
 	
+	
 	// sets gravity and friction targets which will start interpolating after float time and slide time elapse respectively
 	TargetGravityScale = DefaultGravityScale;
 	TargetGroundFriction = DefaultGroundFriction;
@@ -128,15 +132,43 @@ void USNGCharacterMovementComponent::OnSprintTimer()
 	TargetMaxWalkSpeed = SprintingMaxWalkSpeed;
 }
 
-void USNGCharacterMovementComponent::LaunchCharacter(FLaunchParameters& LaunchParams)
+void USNGCharacterMovementComponent::LaunchCharacter(const FLaunchParameters LaunchParams)
 {
-	GroundFriction = LaunchParams.GroundFriction;
-	GravityScale = LaunchParams.GravityScale;
+	Velocity *= LaunchParams.VelocityScale;
+
+	// 
+	if(LaunchParams.bOverrideX)
+	{
+		Velocity.X = LaunchParams.Velocity.X;
+	}
+	else
+	{
+		Velocity.X += LaunchParams.Velocity.X;
+	}
+
+	if(LaunchParams.bOverrideY)
+	{
+		Velocity.Y = LaunchParams.Velocity.Y;
+	}
+	else
+	{
+		Velocity.Y += LaunchParams.Velocity.Y;
+	}
+	
+	if(LaunchParams.bOverrideZ)
+	{
+		Velocity.Z = LaunchParams.Velocity.Z;
+	}
+	else
+	{
+		Velocity.Z += LaunchParams.Velocity.Z;
+	}
+	
+	GroundFriction = LaunchParams.bUseDefaultGroundFriction ? DefaultGroundFriction : LaunchParams.GroundFriction;
+	GravityScale = LaunchParams.bUseDefaultGravityScale ? DefaultGravityScale : LaunchParams.GravityScale;
 	FloatTime = LaunchParams.FloatTime;
 	SlideTime = LaunchParams.SlideTime;
 
-	Velocity = LaunchParams.Velocity;
-
 	if(LaunchParams.bOverrideMovementMode)
 	{
 		SetMovementMode(LaunchParams.NewMovementMode);
@@ -153,25 +185,32 @@ void USNGCharacterMovementComponent::ComputeGravityScaleAndJumpZVelocity()
 	DefaultGravityScale = TargetGravity / GameGravity;
 }
 
-void USNGCharacterMovementComponent::StartJump()
+bool USNGCharacterMovementComponent::DoJump(bool bReplayingMoves)
 {
-	/*
-	JumpTimer = MaxJumpTime;
-
-	Velocity = FVector(Velocity.X * LateralVelocityDampening, Velocity.Y * LateralVelocityDampening, 0.0f);
-	*/
-}
-
-void USNGCharacterMovementComponent::AddJumpForce()
-{
-	/*
-	if(JumpTimer > 0.0f)
+	if ( CharacterOwner && CharacterOwner->CanJump() )
+	{
+		// Don't jump if we can't move up/down.
+		if (!bConstrainToPlane || FMath::Abs(PlaneConstraintNormal.Z) != 1.f)
 		{
-		Velocity = FVector(Velocity.X, Velocity.Y, Velocity.Z + (JumpForce * GetWorld()->DeltaTimeSeconds));
 
-		JumpTimer = FMath::Max(JumpTimer - GetWorld()->DeltaTimeSeconds, 0.0f);
+			FLaunchParameters JumpParams;
+			JumpParams.Velocity.Z = DefaultJumpZVelocity;
+			JumpParams.bOverrideX = false;
+			JumpParams.bOverrideY = false;
+			JumpParams.bOverrideZ = true;
+
+			JumpParams.bUseDefaultGroundFriction = true;
+			JumpParams.bUseDefaultGravityScale = true;
+			
+			JumpParams.bOverrideMovementMode = true;
+			JumpParams.NewMovementMode = EMovementMode::MOVE_Falling;
+
+			LaunchCharacter(JumpParams);
+			return true;
 		}
-	*/
+	}
+	
+	return false;
 }
 
 void USNGCharacterMovementComponent::InterpolateMovementParameters(float DeltaTime)

SwordNGun/Source/SwordNGun/Public/Components/SNGCharacterMovementComponent.h

@@ -11,39 +11,87 @@ struct FLaunchParameters
 {
 	GENERATED_BODY()
 
-	/** Velocity  */
-	UPROPERTY()
+	/** Velocity to either add or set for this character */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
 	FVector Velocity;
 
+	/**
+	 *	How much to scale current velocity by. Set all components to 1 if you want the character to keep whatever
+	 *	velocity they currently have.
+	 */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	FVector VelocityScale;
+
+	/**
+	 *	Should the X component of character's velocity be overriden with Velocity parameter or added?
+	 *	Default is false which means Velocity X component will be added to current character's velocity
+	 */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	bool bOverrideX;
+
+	/**
+	 *	Should the Y component of character's velocity be overriden with Velocity parameter or added?
+	 *	Default is false which means Velocity Y component will be added to current character's velocity
+	 */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	bool bOverrideY;
+
+	/**
+	 *	Should the Z component of character's velocity be overriden with Velocity parameter or added?
+	 *	Default is false which means Velocity Z component will be added to current character's velocity
+	 */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	bool bOverrideZ;
+	
 	/** Should the character's movement mode change after being launched? */
-	UPROPERTY(BlueprintReadWrite)
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
 	bool bOverrideMovementMode;
 
 	/** What the character's movement mode will be set to after launch. This will only be set is bOverrideMovementMode is true. */
-	UPROPERTY(BlueprintReadWrite)
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
 	TEnumAsByte<EMovementMode> NewMovementMode;
 
+	/**
+	 *	GroundFriction will be overriden to DefaultGroundFriction as specified in the character movement
+	 *	component instead of what is supplied in this struct. 
+	 */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	bool bUseDefaultGroundFriction;
+	
 	/** The ground friction that should be immediately applied when the character is launched */
-	UPROPERTY(BlueprintReadWrite)
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
 	float GroundFriction;
 
+	/**
+	 *	GravityScale will be overriden to DefaultGravityScale as specified in the character movement
+	 *	component instead of what is supplied in this struct. 
+	 */
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
+	bool bUseDefaultGravityScale;
+	
 	/** The gravity scale that should be immediately applied when the character is launched */
-	UPROPERTY(BlueprintReadWrite)
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
 	float GravityScale;
 	
 	/** The float time that should be immediately applied when the character is launched */
-	UPROPERTY(BlueprintReadWrite)
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
 	float FloatTime;
 
 	/** The slide time that should be immediately applied when the character is launched */
-	UPROPERTY(BlueprintReadWrite)
+	UPROPERTY(EditAnywhere, BlueprintReadWrite)
 	float SlideTime;
 
 	FLaunchParameters()
 	: Velocity(FVector::ZeroVector)
+	, VelocityScale(FVector::OneVector)
+	, bOverrideX(false)
+	, bOverrideY(false)
+	, bOverrideZ(false)
 	, bOverrideMovementMode(false)
 	, NewMovementMode(EMovementMode::MOVE_Walking)
+	, bUseDefaultGroundFriction(false)
 	, GroundFriction(8.0f)
+	, bUseDefaultGravityScale(false)
 	, GravityScale(1.0f)
 	, FloatTime(0.0f)
 	, SlideTime(0.0f)
@@ -74,6 +122,21 @@ public:
 	UFUNCTION(BlueprintCallable)
 	void RestoreMovementDefaults();
 
+	/**
+	 * @brief	Sets and scales current character's velocity and sets other movement values specified in the passed LaunchParams.
+	 *			The order of operations for updating velocity is:
+	 *			1) Multiply current velocity by VelocityScale
+	 *			2) Will either set or add to current velocity components with the value specified in LaunchParams.Velocity 
+	 * @param	LaunchParams - settings on how this character should be launched. See documentation for FLaunchParameters
+	 *			for more information. 
+	 */
+	UFUNCTION(BlueprintCallable, meta=(AutoCreateRefTerm="LaunchParams"))
+	void LaunchCharacter(const FLaunchParameters LaunchParams);
+
+	/**
+	 * @brief	Sets up launch parameters and character movement parameter targets and finally launches the character
+	 *			for the character to dash.
+	 */
 	UFUNCTION(BlueprintCallable)
 	void Dash();
 	
@@ -180,8 +243,6 @@ protected:
 	UPROPERTY(BlueprintReadWrite)
 	float FloatTime;
 	
-	void LaunchCharacter(FLaunchParameters& LaunchParams);
-	
 	/**
 	 *	How high (Z) is the character able to reach when holding the jump button for the maximum allowed time.
 	 *
@@ -213,17 +274,7 @@ protected:
 
 	void ComputeGravityScaleAndJumpZVelocity();
 	
-	/**
-	 *	Sets up character velocities and jump parameters like the jump timer	
-	 */
-	UFUNCTION(BlueprintCallable)
-	void StartJump();
-
-	/**
-	 *	Continuously applies an upward force to the character as the jump button is held down 
-	 */
-	UFUNCTION(BlueprintCallable)
-	void AddJumpForce();
+	virtual bool DoJump(bool bReplayingMoves) override;
 
 	/** Default friction when not performing any special actions and in the air */
 	UPROPERTY(EditDefaultsOnly, BlueprintReadOnly, Category="SNG Character Movement|Defaults|Air", meta=(ClampMin="0", UIMin="0"))