alexpete
63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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#include <AzCore/EBus/EBus.h>
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// Forward declarations
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class ISprite;
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//! Interface class that listeners need to implement to be notified of changes to the sprite settings
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class UiSpriteSettingsChangeNotification
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: public AZ::EBusTraits
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{
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public:
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//////////////////////////////////////////////////////////////////////////
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// EBusTraits overrides
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/**
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* Overrides the default AZ::EBusTraits address policy so that the bus
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* has multiple addresses at which to receive messages. This bus is
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* identified by Sprite pointer. Messages addressed to an ID are received by
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* handlers connected to that ID.
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*/
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static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::ById;
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/**
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* Overrides the default AZ::EBusTraits ID type so that Sprite pointers are
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* used to access the addresses of the bus.
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*/
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typedef ISprite* BusIdType;
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//////////////////////////////////////////////////////////////////////////
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virtual ~UiSpriteSettingsChangeNotification() {}
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//! Called when the sprite settings such as number of cells etc change
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virtual void OnSpriteSettingsChanged() = 0;
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};
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typedef AZ::EBus<UiSpriteSettingsChangeNotification> UiSpriteSettingsChangeNotificationBus;
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//! Notify listeners when sprite image sources change.
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class UiSpriteSourceNotificationInterface
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: public AZ::ComponentBus
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{
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public: // member functions
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virtual ~UiSpriteSourceNotificationInterface() {}
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//! A sprite image (or sequence of images) has changed file sources.
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virtual void OnSpriteSourceChanged() = 0;
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};
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typedef AZ::EBus<UiSpriteSourceNotificationInterface> UiSpriteSourceNotificationBus;
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