alexpete
43 lines
2.2 KiB
C++
43 lines
2.2 KiB
C++
/*
|
|
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
|
|
* its licensors.
|
|
*
|
|
* For complete copyright and license terms please see the LICENSE at the root of this
|
|
* distribution (the "License"). All use of this software is governed by the License,
|
|
* or, if provided, by the license below or the license accompanying this file. Do not
|
|
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
*
|
|
*/
|
|
#pragma once
|
|
|
|
#include <GameState/GameState.h>
|
|
|
|
#include <AzCore/EBus/EBus.h>
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
namespace GameState
|
|
{
|
|
////////////////////////////////////////////////////////////////////////////////////////////////
|
|
//! EBus interface used to listen for notifications related to game state management/transitions
|
|
class GameStateNotifications : public AZ::EBusTraits
|
|
{
|
|
public:
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
//! EBus Trait: game state notifications are addressed to a single address
|
|
static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
//! EBus Trait: game state notifications can be handled by multiple listeners
|
|
static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Multiple;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////
|
|
//! Called when a game state transition occurs
|
|
//! \param[in] oldGameState The old game state we are transitioning from (can be null)
|
|
//! \param[in] newGameState The new game state we are transitioning into (can be null)
|
|
virtual void OnActiveGameStateChanged(AZStd::shared_ptr<IGameState> oldGameState,
|
|
AZStd::shared_ptr<IGameState> newGameState) {}
|
|
};
|
|
using GameStateNotificationBus = AZ::EBus<GameStateNotifications>;
|
|
} // namespace GameState
|