Steve Pham
38261d0800
* Updated all copyright headers to split the longer original copyright line into 2 shorter lines Signed-off-by: Steve Pham <spham@amazon.com>
96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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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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#include <AzCore/RTTI/BehaviorContext.h>
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#include <AzCore/std/smart_ptr/intrusive_ptr.h>
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#include <AzCore/std/string/string.h>
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#include <ScriptEvents/ScriptEventFundamentalTypes.h>
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#include "ScriptEventRegistration.h"
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namespace ScriptEvents
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{
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class ScriptEvent;
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class ScriptEventsHandler;
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namespace Internal
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{
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class ScriptEventRegistration;
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}
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//! External facing API for registering and getting ScriptEvents
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class ScriptEventRequests : public AZ::EBusTraits
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{
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public:
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static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
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static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
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using MutexType = AZStd::recursive_mutex;
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virtual AZStd::intrusive_ptr<Internal::ScriptEventRegistration> RegisterScriptEvent(const AZ::Data::AssetId& assetId, AZ::u32 version) = 0;
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virtual void RegisterScriptEventFromDefinition([[maybe_unused]] const ScriptEvent& definition) {}
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virtual void UnregisterScriptEventFromDefinition([[maybe_unused]] const ScriptEvent& definition) {}
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virtual AZStd::intrusive_ptr<Internal::ScriptEventRegistration> GetScriptEvent(const AZ::Data::AssetId& assetId, AZ::u32 version) = 0;
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virtual const FundamentalTypes* GetFundamentalTypes() = 0;
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};
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using ScriptEventBus = AZ::EBus<ScriptEventRequests>;
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//! Script event general purpose notifications
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class ScriptEventNotifications : public AZ::EBusTraits
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{
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public:
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static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Multiple;
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static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::ById;
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using BusIdType = AZ::Data::AssetId;
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virtual void OnRegistered(const ScriptEvent&) {}
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};
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using ScriptEventNotificationBus = AZ::EBus<ScriptEventNotifications>;
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//! Used as the key into a map of ScriptEvents, it relies on the asset and version in order to support storing
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//! multiple versions of a ScriptEvent definition.
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struct ScriptEventKey
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{
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AZ::Data::AssetId m_assetId;
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AZ::u32 m_version;
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ScriptEventKey(AZ::Data::AssetId assetId, AZ::u32 version)
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: m_assetId(assetId)
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, m_version(version)
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{}
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bool operator==(const ScriptEventKey& rhs) const
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{
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return m_assetId == rhs.m_assetId && m_version == rhs.m_version;
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}
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};
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}
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namespace AZStd
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{
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// hash specialization
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template <>
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struct hash<ScriptEvents::ScriptEventKey>
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{
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typedef AZ::Uuid argument_type;
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typedef size_t result_type;
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size_t operator()(const ScriptEvents::ScriptEventKey& key) const
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{
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size_t retVal = 0;
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AZStd::hash_combine(retVal, key.m_assetId);
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AZStd::hash_combine(retVal, key.m_version);
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return retVal;
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}
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};
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}
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