Method Activate

Source/CogSample/CogSampleProjectileComponent.cpp:121–166

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//--------------------------------------------------------------------------------------------------------------------------
void UCogSampleProjectileComponent::Activate(bool bReset)
{
    COG_LOG_OBJECT(LogCogProjectile, ELogVerbosity::Verbose, Creator.Get(), TEXT("Projectile:%s | Role:%s | bReset:%d"), *GetNameSafe(GetOwner()), *GetRoleName(), bReset);

    //------------------------------------------------------------------------------------------------
    // Save the spawn location and rotation and get them replicated because, we want remote clients 
    // to tick projectiles on their own, and be synced with the server. To do so they need to 
    // recompute (to catchup) the projectile movement from its initial location, rotation and velocity.
    // If we don't reposition the remote client projectile at its initial values, we get some offset
    // because the server doesn't necessarly replicates the location and rotation of the projectile
    // at its spawn frame.
    //------------------------------------------------------------------------------------------------
    if (GetOwner()->GetLocalRole() == ROLE_Authority)
    {
        COMPARE_ASSIGN_AND_MARK_PROPERTY_DIRTY(UCogSampleProjectileComponent, ServerSpawnLocation, GetOwner()->GetActorLocation(), this);
        COMPARE_ASSIGN_AND_MARK_PROPERTY_DIRTY(UCogSampleProjectileComponent, ServerSpawnRotation, GetOwner()->GetActorRotation(), this);
        COMPARE_ASSIGN_AND_MARK_PROPERTY_DIRTY(UCogSampleProjectileComponent, ServerSpawnVelocity, Velocity, this);
    }
    else
    {
        GetOwner()->SetActorLocationAndRotation(ServerSpawnLocation, ServerSpawnRotation);
        Velocity = ServerSpawnVelocity;
    }

#if ENABLE_COG && !NO_LOGGING
    DrawDebugCurrentState(FColor::Green);
    if (FCogDebugLog::IsLogCategoryActive(LogCogProjectile))
    {
        LastDebugLocation = GetOwner()->GetActorLocation();
    }
#endif //ENABLE_COG && !NO_LOGGING

    //--------------------------------------------------------------------------
    // Catchup after settings LastDebugLocation because Tick will be triggered 
    // by Catchup and LastDebugLocation is used in Tick debug draw.
    //--------------------------------------------------------------------------
    if (GetOwner()->GetLocalRole() != ROLE_Authority)
    {
        if (LocalPlayerController != nullptr)
        {
            Catchup(LocalPlayerController->GetClientLag());
        }
    }

    Super::Activate(bReset);
}

//--------------------------------------------------------------------------------------------------------------------------
void UCogSampleProjectileComponent::TickComponent(float DeltaTime, enum ELevelTick TickType, FActorComponentTickFunction* ThisTickFunction)