DHPawnMovementComponent.cpp

// Copyright 2015 Dirt Productions. All rights reserved.

#include "DistantHome.h"
#include "Public/Player/Pawns/DHPawn.h"
#include "Public/Player/Pawns/DHPawnMovementComponent.h"

/** Default constructor */
UDHPawnMovementComponent::UDHPawnMovementComponent(const FObjectInitializer& ObjectInitializer) : Super(ObjectInitializer)
{
    MovementState.bCanFly = false;
    MovementState.bCanWalk = true;
}

/** Called every frame */
void UDHPawnMovementComponent::TickComponent(float DeltaTime, ELevelTick TickType, FActorComponentTickFunction* ThisFunction)
{
    Super::TickComponent(DeltaTime, TickType, ThisFunction);

    // Make sure everything is valid, and movement is allowed
    if (PawnOwner && UpdatedComponent && !ShouldSkipUpdate(DeltaTime))
    {

        // Get and clear movement vector
        FVector DesiredMovement = ConsumeInputVector() * DeltaTime * GetGlobalBaseSpeed();

        if (!DesiredMovement.IsNearlyZero())
        {
            FHitResult Hit;
            SafeMoveUpdatedComponent(DesiredMovement, UpdatedComponent->GetComponentRotation(), true, Hit);

            // Attempt to slide if component collides with object
            if (Hit.IsValidBlockingHit()) SlideAlongSurface(DesiredMovement, 1.0f - Hit.Time, Hit.Normal, Hit);
        }
    }
}

/** Returns max speed */
float UDHPawnMovementComponent::GetMaxSpeed() const
{
    // Default return value if 450
    float ReturnValue = 450.0f;

    // Modify return value based on pawn state if pawn owner is a DHPawn
    const ADHPawn* DHPawnOwner = Cast<ADHPawn>(PawnOwner);
    if (DHPawnOwner)
    {
        // Set return value to global base speed of pawn owner
        ReturnValue = DHPawnOwner->GlobalBaseSpeed;

        if (DHPawnOwner->IsCrouching()) ReturnValue *= 0.85f;
        if (DHPawnOwner->IsAltUsingItem()) ReturnValue *= DHPawnOwner->GetCurrentItem()->UsableItemData.AltUseSpeedModifier;
        if (DHPawnOwner->IsUsingItem()) ReturnValue *= DHPawnOwner->GetCurrentItem()->UsableItemData.UseSpeedModifier;
        if (!DHPawnOwner->IsUsingItem() && !DHPawnOwner->IsAltUsingItem()) ReturnValue *= DHPawnOwner->GetCurrentItem()->UsableItemData.IdleSpeedModifier;
    }

    return ReturnValue;
}

/** Returns global base speed of pawn owner */
float UDHPawnMovementComponent::GetGlobalBaseSpeed() const
{
    // Default return value is 450
    float ReturnValue = 450.0f;

    const ADHPawn* DHPawnOwner = Cast<ADHPawn>(PawnOwner);
    if (DHPawnOwner) ReturnValue = DHPawnOwner->GlobalBaseSpeed;

    return ReturnValue;
}