alexpete
63 lines
2.6 KiB
C++
63 lines
2.6 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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#ifndef GRIDMATEEVENTSBUS_H
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#define GRIDMATEEVENTSBUS_H
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#include <GridMate/Memory.h>
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#include <AzCore/EBus/EBus.h>
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namespace GridMate
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{
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class IGridMate;
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class GridMateService;
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/*
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* GridMate callbacks
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* These callbacks are thrown on main GridMate thread(thread where GridMate's tick is pumped on)
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*/
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class GridMateEvents
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: public AZ::EBusTraits
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{
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public:
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// Called after gridmate is initialized
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virtual void OnGridMateInitialized(IGridMate* gridMate) { (void)gridMate; }
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// Called on GridMate tick
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virtual void OnGridMateUpdate(IGridMate* gridMate) { (void)gridMate; }
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// Called when gridmate is shutting down, GridMate reference is still valid inside this call, but should not be used afterwards
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virtual void OnGridMateShutdown(IGridMate* gridMate) { (void)gridMate; }
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// Called when new service is added to GridMate
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virtual void OnGridMateServiceAdded(IGridMate* gridMate, GridMateService* service) { (void)gridMate; (void)service; }
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// Called when service is about to be deleted, service cannot be used afterwards.
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virtual void OnGridMateServiceDelete(IGridMate* gridMate, GridMateService* service) { (void)gridMate; (void)service; }
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// EBus Traits
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AZ_CLASS_ALLOCATOR(GridMateEvents, GridMateAllocator, 0);
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static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::ById;
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static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::MultipleAndOrdered; ///< Events are ordered, each handler may set its priority
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typedef IGridMate* BusIdType; ///< Use the GridMate instance as an ID
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bool Compare(const GridMateEvents* another) const { return GetPriority() > another->GetPriority(); }
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protected:
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static const unsigned int k_defaultPriority = 100; ///< priority that will be used for callback ordering (the smaller - the earler handler will be in events queue), default is 100
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virtual unsigned int GetPriority() const { return k_defaultPriority; }
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};
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typedef AZ::EBus<GridMateEvents> GridMateEventsBus;
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}
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#endif
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