metaforce/Runtime/CPakFile.hpp

#pragma once

#include <vector>
#include "RetroTypes.hpp"
#include "CStringExtras.hpp"
#include "CDvdFile.hpp"
#include "CDvdRequest.hpp"
#include "CFactoryMgr.hpp"

namespace urde {

class CPakFile : public CDvdFile {
  friend class CResLoader;

public:
  struct SResInfo {
    CAssetId x0_id;
    bool x4_compressed : 1;
    CFactoryMgr::ETypeTable x4_typeIdx;
    u32 x5_offsetDiv32 : 27;
    u32 x7_sizeDiv32 : 27;
    SResInfo(CAssetId id, FourCC fcc, u32 offset, u32 size, u32 flags) : x0_id(id) {
      x4_compressed = flags != 0;
      x4_typeIdx = CFactoryMgr::FourCCToTypeIdx(fcc);
      x5_offsetDiv32 = offset / 32;
      x7_sizeDiv32 = size / 32;
    }
    u32 GetOffset() const { return x5_offsetDiv32 * 32; }
    u32 GetSize() const { return x7_sizeDiv32 * 32; }
    FourCC GetType() const { return CFactoryMgr::TypeIdxToFourCC(x4_typeIdx); }
    bool IsCompressed() const { return x4_compressed; }
    CAssetId GetId() const { return x0_id; }
  };

private:
  union {
    struct {
      bool x28_24_buildDepList;
      bool x28_25_aramFile;
      bool x28_26_worldPak;
      bool x28_27_stashedInARAM;
    };
    u32 _dummy = 0;
  };
  enum class EAsyncPhase {
    Warmup = 0,
    InitialHeader = 1,
    DataLoad = 2,
    Loaded = 3
  } x2c_asyncLoadPhase = EAsyncPhase::Warmup;
  std::shared_ptr<IDvdRequest> x30_dvdReq; // Used to be auto_ptr
  std::vector<u8> x38_headerData;
  u32 x48_resTableOffset = 0;
  u32 x4c_resTableCount = 0;
  int x50_aramBase = -1;
  std::vector<std::pair<std::string, SObjectTag>> x54_nameList;
  std::vector<CAssetId> x64_depList;
  std::vector<SResInfo> x74_resList;
  mutable s32 x84_currentSeek = -1;
  CAssetId m_mlvlId;
  void LoadResourceTable(athena::io::MemoryReader& r);
  void DataLoad();
  void InitialHeaderLoad();
  void Warmup();

public:
  CPakFile(std::string_view filename, bool buildDepList, bool worldPak);
  ~CPakFile();
  const std::vector<std::pair<std::string, SObjectTag>>& GetNameList() const { return x54_nameList; }
  const std::vector<CAssetId>& GetDepList() const { return x64_depList; }
  const SObjectTag* GetResIdByName(std::string_view name) const;
  const SResInfo* GetResInfoForLoadPreferForward(CAssetId id) const;
  const SResInfo* GetResInfoForLoadDirectionless(CAssetId id) const;
  const SResInfo* GetResInfo(CAssetId id) const;
  bool IsWorldPak() const { return x28_26_worldPak; }
  u32 GetFakeStaticSize() const { return 0; }
  void AsyncIdle();
  CAssetId GetMLVLId() const { return m_mlvlId; }
};

} // namespace urde