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o3de/Gems/BarrierInput/Code/Source/BarrierInputSystemComponent.h

87 lines
4.1 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <BarrierInputClient.h>
#include <AzCore/EBus/EBus.h>
#include <AzCore/Component/Component.h>
#include <AzCore/std/smart_ptr/unique_ptr.h>
////////////////////////////////////////////////////////////////////////////////////////////////////
namespace BarrierInput
{
////////////////////////////////////////////////////////////////////////////////////////////////
//! EBus interface used to listen for changes to Barrier connection related CVars.
class BarrierInputConnectionNotifications : public AZ::EBusTraits
{
public:
////////////////////////////////////////////////////////////////////////////////////////////
//! Called when a CVar relating to the Barrier input connection changes.
virtual void OnBarrierConnectionCVarChanged() {}
};
using BarrierInputConnectionNotificationBus = AZ::EBus<BarrierInputConnectionNotifications>;
////////////////////////////////////////////////////////////////////////////////////////////////
//! A system component providing functionality related to Barrier input.
class BarrierInputSystemComponent : public AZ::Component
, public BarrierInputConnectionNotificationBus::Handler
{
public:
////////////////////////////////////////////////////////////////////////////////////////////
// AZ::Component Setup
AZ_COMPONENT(BarrierInputSystemComponent, "{720B6420-8A76-46F9-80C7-0DBF0CD467C2}");
////////////////////////////////////////////////////////////////////////////////////////////
//! \ref AZ::ComponentDescriptor::Reflect
static void Reflect(AZ::ReflectContext* context);
////////////////////////////////////////////////////////////////////////////////////////////
//! \ref AZ::ComponentDescriptor::GetProvidedServices
static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided);
////////////////////////////////////////////////////////////////////////////////////////////
//! \ref AZ::ComponentDescriptor::GetIncompatibleServices
static void GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatible);
////////////////////////////////////////////////////////////////////////////////////////////
//! Default constructor
BarrierInputSystemComponent() = default;
////////////////////////////////////////////////////////////////////////////////////////////
//! Default destructor
~BarrierInputSystemComponent() override = default;
////////////////////////////////////////////////////////////////////////////////////////////
//! \ref AZ::Component::Activate
void Activate() override;
////////////////////////////////////////////////////////////////////////////////////////////
//! \ref AZ::Component::Deactivate
void Deactivate() override;
protected:
////////////////////////////////////////////////////////////////////////////////////////////
//! \ref BarrierInput::BarrierInputConnectionNotifications::OnBarrierConnectionCVarChanged
void OnBarrierConnectionCVarChanged() override;
////////////////////////////////////////////////////////////////////////////////////////////
//! Try to create the Barrier client and input device implementations.
void TryCreateBarrierClientAndInputDeviceImplementations();
////////////////////////////////////////////////////////////////////////////////////////////
//! Destroy the Barrier client and input device implementations (if they've been created).
void DestroyBarrierClientAndInputDeviceImplementations();
private:
////////////////////////////////////////////////////////////////////////////////////////////
//! The Barrier client instance.
AZStd::unique_ptr<BarrierClient> m_barrierClient;
};
} // namespace BarrierInput