mirror of
https://github.com/ddnet/ddnet.git
synced 2024-09-21 10:04:18 +00:00
117 lines
2.5 KiB
C++
117 lines
2.5 KiB
C++
/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
|
|
/* If you are missing that file, acquire a complete release at teeworlds.com. */
|
|
#ifndef ENGINE_SHARED_DATAFILE_H
|
|
#define ENGINE_SHARED_DATAFILE_H
|
|
|
|
#include <engine/storage.h>
|
|
|
|
#include <base/hash.h>
|
|
#include <base/system.h>
|
|
|
|
#include <zlib.h>
|
|
|
|
enum
|
|
{
|
|
ITEMTYPE_EX = 0xffff,
|
|
};
|
|
|
|
// raw datafile access
|
|
class CDataFileReader
|
|
{
|
|
struct CDatafile *m_pDataFile;
|
|
void *GetDataImpl(int Index, int Swap);
|
|
int GetFileDataSize(int Index);
|
|
|
|
int GetExternalItemType(int InternalType);
|
|
int GetInternalItemType(int ExternalType);
|
|
|
|
public:
|
|
CDataFileReader() :
|
|
m_pDataFile(nullptr) {}
|
|
~CDataFileReader() { Close(); }
|
|
|
|
bool IsOpen() const { return m_pDataFile != nullptr; }
|
|
|
|
bool Open(class IStorage *pStorage, const char *pFilename, int StorageType);
|
|
bool Close();
|
|
|
|
void *GetData(int Index);
|
|
void *GetDataSwapped(int Index); // makes sure that the data is 32bit LE ints when saved
|
|
int GetDataSize(int Index);
|
|
void UnloadData(int Index);
|
|
void *GetItem(int Index, int *pType, int *pID);
|
|
int GetItemSize(int Index) const;
|
|
void GetType(int Type, int *pStart, int *pNum);
|
|
int FindItemIndex(int Type, int ID);
|
|
void *FindItem(int Type, int ID);
|
|
int NumItems() const;
|
|
int NumData() const;
|
|
void Unload();
|
|
|
|
SHA256_DIGEST Sha256() const;
|
|
unsigned Crc() const;
|
|
int MapSize() const;
|
|
IOHANDLE File();
|
|
};
|
|
|
|
// write access
|
|
class CDataFileWriter
|
|
{
|
|
struct CDataInfo
|
|
{
|
|
int m_UncompressedSize;
|
|
int m_CompressedSize;
|
|
void *m_pCompressedData;
|
|
};
|
|
|
|
struct CItemInfo
|
|
{
|
|
int m_Type;
|
|
int m_ID;
|
|
int m_Size;
|
|
int m_Next;
|
|
int m_Prev;
|
|
void *m_pData;
|
|
};
|
|
|
|
struct CItemTypeInfo
|
|
{
|
|
int m_Num;
|
|
int m_First;
|
|
int m_Last;
|
|
};
|
|
|
|
enum
|
|
{
|
|
MAX_ITEM_TYPES = 0x10000,
|
|
MAX_ITEMS = 1024,
|
|
MAX_DATAS = 1024,
|
|
MAX_EXTENDED_ITEM_TYPES = 64,
|
|
};
|
|
|
|
IOHANDLE m_File;
|
|
int m_NumItems;
|
|
int m_NumDatas;
|
|
int m_NumItemTypes;
|
|
int m_NumExtendedItemTypes;
|
|
CItemTypeInfo *m_pItemTypes;
|
|
CItemInfo *m_pItems;
|
|
CDataInfo *m_pDatas;
|
|
int m_aExtendedItemTypes[MAX_EXTENDED_ITEM_TYPES];
|
|
|
|
int GetExtendedItemTypeIndex(int Type);
|
|
|
|
public:
|
|
CDataFileWriter();
|
|
~CDataFileWriter();
|
|
void Init();
|
|
bool OpenFile(class IStorage *pStorage, const char *pFilename, int StorageType = IStorage::TYPE_SAVE);
|
|
bool Open(class IStorage *pStorage, const char *pFilename, int StorageType = IStorage::TYPE_SAVE);
|
|
int AddData(int Size, void *pData, int CompressionLevel = Z_DEFAULT_COMPRESSION);
|
|
int AddDataSwapped(int Size, void *pData);
|
|
int AddItem(int Type, int ID, int Size, void *pData);
|
|
int Finish();
|
|
};
|
|
|
|
#endif
|