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Cleanup asset references code

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This commit is contained in:
Wojtek Figat
2021-06-10 11:01:35 +02:00
parent 9fd62cf9aa
commit 907f289ea7
5 changed files with 110 additions and 130 deletions
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85
Source/Engine/Content/Asset.cpp
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@@ -13,6 +13,91 @@
#include "Engine/Threading/ConcurrentTaskQueue.h"
#include <ThirdParty/mono-2.0/mono/metadata/mono-gc.h>
AssetReferenceBase::~AssetReferenceBase()
{
if (_asset)
{
_asset->OnLoaded.Unbind<AssetReferenceBase, &AssetReferenceBase::OnLoaded>(this);
_asset->OnUnloaded.Unbind<AssetReferenceBase, &AssetReferenceBase::OnUnloaded>(this);
_asset->RemoveReference();
_asset = nullptr;
}
}
String AssetReferenceBase::ToString() const
{
return _asset ? _asset->ToString() : TEXT("<null>");
}
void AssetReferenceBase::OnSet(Asset* asset)
{
auto e = _asset;
if (e != asset)
{
if (e)
{
e->OnLoaded.Unbind<AssetReferenceBase, &AssetReferenceBase::OnLoaded>(this);
e->OnUnloaded.Unbind<AssetReferenceBase, &AssetReferenceBase::OnUnloaded>(this);
e->RemoveReference();
}
_asset = e = asset;
if (e)
{
e->AddReference();
e->OnLoaded.Bind<AssetReferenceBase, &AssetReferenceBase::OnLoaded>(this);
e->OnUnloaded.Bind<AssetReferenceBase, &AssetReferenceBase::OnUnloaded>(this);
}
Changed();
if (e && e->IsLoaded())
Loaded();
}
}
void AssetReferenceBase::OnLoaded(Asset* asset)
{
ASSERT(_asset == asset);
Loaded();
}
void AssetReferenceBase::OnUnloaded(Asset* asset)
{
ASSERT(_asset == asset);
Unload();
OnSet(nullptr);
}
WeakAssetReferenceBase::~WeakAssetReferenceBase()
{
if (_asset)
_asset->OnUnloaded.Unbind<WeakAssetReferenceBase, &WeakAssetReferenceBase::OnUnloaded>(this);
}
String WeakAssetReferenceBase::ToString() const
{
return _asset ? _asset->ToString() : TEXT("<null>");
}
void WeakAssetReferenceBase::OnSet(Asset* asset)
{
auto e = _asset;
if (e != asset)
{
if (e)
e->OnUnloaded.Unbind<WeakAssetReferenceBase, &WeakAssetReferenceBase::OnUnloaded>(this);
_asset = e = asset;
if (e)
e->OnUnloaded.Bind<WeakAssetReferenceBase, &WeakAssetReferenceBase::OnUnloaded>(this);
}
}
void WeakAssetReferenceBase::OnUnloaded(Asset* asset)
{
ASSERT(_asset == asset);
Unload();
asset->OnUnloaded.Unbind<WeakAssetReferenceBase, &WeakAssetReferenceBase::OnUnloaded>(this);
asset = nullptr;
}
Asset::Asset(const SpawnParams& params, const AssetInfo* info)
: ManagedScriptingObject(params)
, _refCount(0)