97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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#pragma once
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#include "../ContentLoadTask.h"
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#include "Engine/Core/Log.h"
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#include "Engine/Content/AssetReference.h"
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#include "Engine/Content/BinaryAsset.h"
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#include "Engine/Content/WeakAssetReference.h"
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#include "Engine/Profiler/ProfilerCPU.h"
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/// <summary>
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/// Asset data loading task object.
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/// </summary>
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class LoadAssetDataTask : public ContentLoadTask
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{
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private:
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WeakAssetReference<BinaryAsset> _asset; // Don't keep ref to the asset (so it can be unloaded if none using it, task will fail then)
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AssetChunksFlag _chunks;
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FlaxStorage::LockData _dataLock;
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public:
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/// <summary>
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/// Initializes a new instance of the <see cref="LoadAssetDataTask"/> class.
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/// </summary>
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/// <param name="asset">The asset to load.</param>
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/// <param name="chunks">The chunks to load.</param>
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LoadAssetDataTask(BinaryAsset* asset, AssetChunksFlag chunks)
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: ContentLoadTask(Type::LoadAssetData)
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, _asset(asset)
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, _chunks(chunks)
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, _dataLock(asset->Storage->Lock())
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{
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}
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public:
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// [ContentLoadTask]
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bool HasReference(Object* obj) const override
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{
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return obj == _asset;
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}
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protected:
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// [ContentLoadTask]
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Result run() override
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{
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if (IsCancelRequested())
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return Result::Ok;
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PROFILE_CPU();
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AssetReference<BinaryAsset> ref = _asset.Get();
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if (ref == nullptr)
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return Result::MissingReferences;
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#if TRACY_ENABLE
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const StringView name(ref->GetPath());
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#endif
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// Load chunks
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for (int32 i = 0; i < ASSET_FILE_DATA_CHUNKS; i++)
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{
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if (GET_CHUNK_FLAG(i) & _chunks)
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{
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const auto chunk = ref->GetChunk(i);
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if (chunk != nullptr)
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{
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if (IsCancelRequested())
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return Result::Ok;
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#if TRACY_ENABLE
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ZoneScoped;
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ZoneName(*name, name.Length());
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#endif
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if (ref->Storage->LoadAssetChunk(chunk))
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{
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LOG(Warning, "Cannot load asset \'{0}\' chunk {1}.", ref->ToString(), i);
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return Result::LoadDataError;
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}
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}
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}
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}
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return Result::Ok;
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}
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void OnEnd() override
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{
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_dataLock.Release();
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_asset = nullptr;
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// Base
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ContentLoadTask::OnEnd();
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}
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};
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