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56 lines
2.5 KiB
C++
56 lines
2.5 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/RTTI/TypeInfo.h>
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#include <AzCore/Serialization/SerializeContext.h>
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#include <LyShine/Bus/Tools/UiSystemToolsBus.h>
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#include <AzCore/Script/ScriptAsset.h>
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//! Wrapper class for canvas file. This allows us to make changes to what the top
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//! level objects are in the canvas file and do some conversion
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class UiCanvasFileObject
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: public UiSystemToolsInterface::CanvasAssetHandle
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{
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public:
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~UiCanvasFileObject() override { }
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AZ_CLASS_ALLOCATOR(UiCanvasFileObject, AZ::SystemAllocator, 0);
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AZ_RTTI(UiCanvasFileObject, "{1F02632F-F113-49B1-85AD-8CD0FA78B8AA}");
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// Load canvas from stream with an optional asset filter. No asset references are ignored by default
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static UiCanvasFileObject* LoadCanvasFromStream(AZ::IO::GenericStream& stream, const AZ::ObjectStream::FilterDescriptor& filterDesc = AZ::ObjectStream::FilterDescriptor());
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static void SaveCanvasToStream(AZ::IO::GenericStream& stream, UiCanvasFileObject* canvasFileObject);
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static AZ::Entity* LoadCanvasEntitiesFromStream(AZ::IO::GenericStream& stream, AZ::Entity*& rootSliceEntity);
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static void Reflect(AZ::ReflectContext* context);
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public: // data
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AZ::Entity* m_canvasEntity = nullptr;
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AZ::Entity* m_rootSliceEntity = nullptr;
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private: // static methods
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static UiCanvasFileObject* LoadCanvasEntitiesFromOldFormatFile(const char* buffer, size_t bufferSize, const AZ::ObjectStream::FilterDescriptor& filterDesc = AZ::ObjectStream::FilterDescriptor());
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static UiCanvasFileObject* LoadCanvasFromNewFormatStream(AZ::IO::GenericStream& stream, const AZ::ObjectStream::FilterDescriptor& filterDesc = AZ::ObjectStream::FilterDescriptor());
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static AZ::SerializeContext::DataElementNode* FindRootElementInCanvasEntity(
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AZ::SerializeContext& context,
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AZ::SerializeContext::DataElementNode& canvasEntityNode);
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static bool CreateRootSliceNodeAndCopyInEntities(
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AZ::SerializeContext& context,
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AZ::SerializeContext::DataElementNode& canvasFileObjectNode,
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AZStd::vector<AZ::SerializeContext::DataElementNode>& copiedEntities);
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static bool VersionConverter(AZ::SerializeContext& context, AZ::SerializeContext::DataElementNode& classElement);
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};
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