Tommy Walton
104 lines
4.8 KiB
C++
104 lines
4.8 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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#include <Atom/RPI.Reflect/Image/StreamingImageAssetHandler.h>
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#include <AzCore/Settings/SettingsRegistry.h>
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#include <AzFramework/Asset/AssetSystemBus.h>
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namespace AZ
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{
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namespace RPI
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{
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Data::AssetHandler::LoadResult StreamingImageAssetHandler::LoadAssetData(
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const Data::Asset<Data::AssetData>& asset,
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AZStd::shared_ptr<Data::AssetDataStream> stream,
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const Data::AssetFilterCB& assetLoadFilterCB)
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{
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AZ_UNUSED(assetLoadFilterCB);
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StreamingImageAsset* assetData = asset.GetAs<StreamingImageAsset>();
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AZ_Assert(assetData, "Asset is of the wrong type.");
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AZ_Assert(m_serializeContext, "Unable to retrieve serialize context.");
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Data::AssetHandler::LoadResult loadResult = Data::AssetHandler::LoadResult::Error;
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if (assetData)
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{
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loadResult = Utils::LoadObjectFromStreamInPlace<StreamingImageAsset>(*stream, *assetData, m_serializeContext) ?
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Data::AssetHandler::LoadResult::LoadComplete :
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Data::AssetHandler::LoadResult::Error;
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if (loadResult == Data::AssetHandler::LoadResult::LoadComplete)
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{
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// ImageMipChainAsset has some internal variables need to initialized after it was loaded.
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StreamingImageAsset* assetData2 = asset.GetAs<StreamingImageAsset>();
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assetData2->m_tailMipChain.Init();
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}
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}
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return loadResult;
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}
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Data::AssetId StreamingImageAssetHandler::AssetMissingInCatalog(const Data::Asset<Data::AssetData>& asset)
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{
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// Find out if the asset is missing completely, or just still processing
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// and escalate the asset to the top of the list
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AzFramework::AssetSystem::AssetStatus missingAssetStatus;
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AzFramework::AssetSystemRequestBus::BroadcastResult(
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missingAssetStatus, &AzFramework::AssetSystem::AssetSystemRequests::GetAssetStatusById, asset.GetId().m_guid);
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// Generate asset info to use to register the fallback asset with the asset catalog
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Data::AssetInfo assetInfo;
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assetInfo.m_relativePath = "textures/defaults/defaultfallback.png.streamingimage";
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assetInfo.m_assetType = azrtti_typeid<StreamingImageAsset>();
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bool useDebugFallbackImages = true;
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if (auto settingsRegistry = AZ::SettingsRegistry::Get(); settingsRegistry != nullptr)
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{
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settingsRegistry->GetObject(useDebugFallbackImages, "/O3DE/Atom/RPI/UseDebugFallbackImages");
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}
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if (useDebugFallbackImages)
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{
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switch (missingAssetStatus)
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{
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case AzFramework::AssetSystem::AssetStatus::AssetStatus_Queued:
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case AzFramework::AssetSystem::AssetStatus::AssetStatus_Compiling:
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assetInfo.m_relativePath = "textures/defaults/processing.png.streamingimage";
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break;
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case AzFramework::AssetSystem::AssetStatus::AssetStatus_Failed:
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assetInfo.m_relativePath = "textures/defaults/processingfailed.png.streamingimage";
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break;
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case AzFramework::AssetSystem::AssetStatus::AssetStatus_Missing:
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case AzFramework::AssetSystem::AssetStatus::AssetStatus_Unknown:
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case AzFramework::AssetSystem::AssetStatus::AssetStatus_Compiled:
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assetInfo.m_relativePath = "textures/defaults/missing.png.streamingimage";
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break;
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}
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}
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// Make sure the fallback image has been processed
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AzFramework::AssetSystem::AssetStatus status = AzFramework::AssetSystem::AssetStatus_Unknown;
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AzFramework::AssetSystemRequestBus::BroadcastResult(
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status, &AzFramework::AssetSystemRequestBus::Events::CompileAssetSync, assetInfo.m_relativePath);
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// Generate the id of the fallback image
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Data::AssetCatalogRequestBus::BroadcastResult(
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assetInfo.m_assetId, &Data::AssetCatalogRequestBus::Events::GenerateAssetIdTEMP,
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assetInfo.m_relativePath.c_str());
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assetInfo.m_assetId.m_subId = StreamingImageAsset::GetImageAssetSubId();
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// Register the fallback image with the asset catalog
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Data::AssetCatalogRequestBus::Broadcast(&Data::AssetCatalogRequestBus::Events::RegisterAsset, assetInfo.m_assetId, assetInfo);
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// Return the asset id of the fallback image
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return assetInfo.m_assetId;
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}
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}
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}
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