CollectionResource.h

#pragma once
 
#include <Core/CoreDLL.h>
#include <Core/ResourceManager/Resource.h>
 
struct PL_CORE_DLL plCollectionEntry
{
  plString m_sOptionalNiceLookupName; 
  plString m_sResourceID;             
  plHashedString m_sAssetTypeName;
  plUInt64 m_uiFileSize = 0;
};
 
struct PL_CORE_DLL plCollectionResourceDescriptor
{
  plDynamicArray<plCollectionEntry> m_Resources;
 
  void Save(plStreamWriter& inout_stream) const;
  void Load(plStreamReader& inout_stream);
};
 
using plCollectionResourceHandle = plTypedResourceHandle<class plCollectionResource>;
 
class PL_CORE_DLL plCollectionResource : public plResource
{
  PL_ADD_DYNAMIC_REFLECTION(plCollectionResource, plResource);
  PL_RESOURCE_DECLARE_COMMON_CODE(plCollectionResource);
  PL_RESOURCE_DECLARE_CREATEABLE(plCollectionResource, plCollectionResourceDescriptor);
 
public:
  plCollectionResource();
  ~plCollectionResource();
 
  void RegisterNames();
 
  void UnregisterNames();
 
  bool PreloadResources(plUInt32 uiNumResourcesToPreload = plMath::MaxValue<plUInt32>());
 
  bool IsLoadingFinished(float* out_pProgress = nullptr) const;
 
  const plCollectionResourceDescriptor& GetDescriptor() const;
 
  plArrayPtr<const plTypelessResourceHandle> GetPreloadedResources() const { return m_PreloadedResources; }
 
private:
  virtual plResourceLoadDesc UnloadData(Unload WhatToUnload) override;
  virtual plResourceLoadDesc UpdateContent(plStreamReader* Stream) override;
  virtual void UpdateMemoryUsage(MemoryUsage& out_NewMemoryUsage) override;
 
  mutable plMutex m_PreloadMutex;
  bool m_bRegistered = false;
  plCollectionResourceDescriptor m_Collection;
  plDynamicArray<plTypelessResourceHandle> m_PreloadedResources;
};