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o3de/Gems/ScriptEvents/Code/Include/ScriptEvents/ScriptEventsAssetRef.h

98 lines
3.0 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 <AzCore/Asset/AssetCommon.h>
#include <AzCore/Asset/AssetManager.h>
#include <AzCore/RTTI/ReflectContext.h>
#include <AzCore/Script/ScriptContext.h>
#include <AzCore/Serialization/EditContext.h>
#include <AzCore/Serialization/ObjectStream.h>
#include <AzFramework/Asset/SimpleAsset.h>
#include <ScriptEvents/ScriptEventsBus.h>
#include <ScriptEvents/ScriptEventsAsset.h>
namespace ScriptEvents
{
/**
* Provides script bindings to expose Script Event assets as script property.
*/
class ScriptEventsAssetRef
: private AZ::Data::AssetBus::Handler
{
public:
AZ_RTTI(ScriptEventsAssetRef, "{9BF12D72-9FE5-4F0E-A115-B92D99FB1CD7}");
AZ_CLASS_ALLOCATOR(ScriptEventsAssetRef, AZ::SystemAllocator, 0);
using AssetChangedCB = AZStd::function<void(const AZ::Data::Asset<ScriptEventsAsset>&, void* userData)>;
static void Reflect(AZ::ReflectContext* context);
ScriptEventsAssetRef() = default;
ScriptEventsAssetRef(AZ::Data::Asset<ScriptEventsAsset> asset, const AssetChangedCB& assetChangedCB, void* userData)
: m_asset(asset)
, m_assetNotifyCallback(assetChangedCB)
, m_userData(userData)
{
SetAsset(asset);
}
~ScriptEventsAssetRef()
{
AZ::Data::AssetBus::Handler::BusDisconnect();
}
const ScriptEvents::ScriptEvent* GetDefinition() const
{
if (ScriptEventsAsset* ebusAsset = m_asset.GetAs<ScriptEventsAsset>())
{
ebusAsset->m_definition.RegisterInternal();
return &ebusAsset->m_definition;
}
return nullptr;
}
void SetAsset(const AZ::Data::Asset<ScriptEventsAsset>& asset);
AZ::Data::Asset<ScriptEvents::ScriptEventsAsset> GetAsset() const
{
return m_asset;
}
void Load(bool loadBlocking /*= false*/);
AZ::u32 OnAssetChanged();
//=====================================================================
// AZ::Data::AssetBus
void OnAssetReady(AZ::Data::Asset<AZ::Data::AssetData> asset) override;
void OnAssetReloaded(AZ::Data::Asset<AZ::Data::AssetData> asset) override;
void OnAssetUnloaded(const AZ::Data::AssetId assetId, const AZ::Data::AssetType assetType) override;
void OnAssetSaved(AZ::Data::Asset<AZ::Data::AssetData> asset, [[maybe_unused]] bool isSuccessful) override
{
SetAsset(m_asset);
}
//=====================================================================
private:
AssetChangedCB m_assetNotifyCallback;
AZ::Data::Asset<ScriptEvents::ScriptEventsAsset> m_asset;
void* m_userData;
};
}