Files
MinecraftConsoles/Minecraft.World/ConsoleSaveFileSplit.h
2026-03-01 12:16:08 +08:00

143 lines
5.1 KiB
C++

#pragma once
#include "FileHeader.h"
#include "ConsoleSavePath.h"
#include "ConsoleSaveFile.h"
class ProgressRenderer;
class ConsoleSaveFileSplit : public ConsoleSaveFile
{
private:
FileHeader header;
static const int WRITE_BANDWIDTH_BYTESPERSECOND = 1048576; // Average bytes per second we will cap to when writing region files during the tick() method
static const int WRITE_BANDWIDTH_MEASUREMENT_PERIOD_SECONDS = 10; // Time period over which the bytes per second average is calculated
static const int WRITE_TICK_RATE_MS = 500; // Time between attempts to work out which regions we should write during the tick
static const int WRITE_MAX_WRITE_PER_TICK = WRITE_BANDWIDTH_BYTESPERSECOND; // Maximum number of bytes we can add in a single tick
class WriteHistory
{
public:
int64_t writeTime;
unsigned int writeSize;
} ;
class DirtyRegionFile
{
public:
int64_t lastWritten;
unsigned int fileRef;
bool operator<(const DirtyRegionFile& rhs) { return lastWritten < rhs.lastWritten; }
};
class RegionFileReference
{
public:
RegionFileReference(int index, unsigned int regionIndex, unsigned int length = 0, unsigned char *data = NULL);
~RegionFileReference();
void Compress(); // Compress from data to dataCompressed
void Decompress(); // Decompress from dataCompressed -> data
unsigned int GetCompressedSize(); // Gets byte size for what this region will compress to
void ReleaseCompressed(); // Release dataCompressed
FileEntry *fileEntry;
unsigned char *data;
unsigned char *dataCompressed;
unsigned int dataCompressedSize;
int index;
bool dirty;
int64_t lastWritten;
};
unordered_map<unsigned int, RegionFileReference *> regionFiles;
vector<WriteHistory> writeHistory;
int64_t m_lastTickTime;
FileEntry *GetRegionFileEntry(unsigned int regionIndex);
wstring m_fileName;
bool m_autosave;
// HANDLE hHeap;
static void *pvHeap;
static unsigned int pagesCommitted;
#ifdef _LARGE_WORLDS
static const unsigned int CSF_PAGE_SIZE = 64 * 1024;
static const unsigned int MAX_PAGE_COUNT = 32 * 1024; // 2GB virtual allocation
#else
static const unsigned int CSF_PAGE_SIZE = 64 * 1024;
static const unsigned int MAX_PAGE_COUNT = 1024;
#endif
LPVOID pvSaveMem;
CRITICAL_SECTION m_lock;
void PrepareForWrite( FileEntry *file, DWORD nNumberOfBytesToWrite );
void MoveDataBeyond(FileEntry *file, DWORD nNumberOfBytesToWrite);
bool GetNumericIdentifierFromName(const wstring &fileName, unsigned int *idOut);
wstring GetNameFromNumericIdentifier(unsigned int idIn);
void processSubfilesForWrite();
void processSubfilesAfterWrite();
public:
static int SaveSaveDataCallback(LPVOID lpParam,bool bRes);
static int SaveRegionFilesCallback(LPVOID lpParam,bool bRes);
private:
void _init(const wstring &fileName, LPVOID pvSaveData, DWORD fileSize, ESavePlatform plat);
public:
ConsoleSaveFileSplit(const wstring &fileName, LPVOID pvSaveData = NULL, DWORD fileSize = 0, bool forceCleanSave = false, ESavePlatform plat = SAVE_FILE_PLATFORM_LOCAL);
ConsoleSaveFileSplit(ConsoleSaveFile *sourceSave, bool alreadySmallRegions = true, ProgressListener *progress = NULL);
virtual ~ConsoleSaveFileSplit();
// 4J Stu - Initial implementation is intended to have a similar interface to the standard Xbox file access functions
virtual FileEntry *createFile( const ConsoleSavePath &fileName );
virtual void deleteFile( FileEntry *file );
virtual void setFilePointer(FileEntry *file,LONG lDistanceToMove,PLONG lpDistanceToMoveHigh,DWORD dwMoveMethod);
virtual BOOL writeFile( FileEntry *file, LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite, LPDWORD lpNumberOfBytesWritten );
virtual BOOL zeroFile(FileEntry *file, DWORD nNumberOfBytesToWrite, LPDWORD lpNumberOfBytesWritten);
virtual BOOL readFile( FileEntry *file, LPVOID lpBuffer, DWORD nNumberOfBytesToRead, LPDWORD lpNumberOfBytesRead );
virtual BOOL closeHandle( FileEntry *file );
virtual void finalizeWrite();
virtual void tick();
virtual bool doesFileExist(ConsoleSavePath file);
virtual void Flush(bool autosave, bool updateThumbnail = true);
#ifndef _CONTENT_PACKAGE
virtual void DebugFlushToFile(void *compressedData = NULL, unsigned int compressedDataSize = 0);
#endif
virtual unsigned int getSizeOnDisk();
virtual wstring getFilename();
virtual vector<FileEntry *> *getFilesWithPrefix(const wstring &prefix);
virtual vector<FileEntry *> *getRegionFilesByDimension(unsigned int dimensionIndex);
#if defined(__PS3__) || defined(__ORBIS__)
virtual wstring getPlayerDataFilenameForLoad(const PlayerUID& pUID);
virtual wstring getPlayerDataFilenameForSave(const PlayerUID& pUID);
virtual vector<FileEntry *> *getValidPlayerDatFiles();
#endif //__PS3__
virtual int getSaveVersion();
virtual int getOriginalSaveVersion();
virtual void LockSaveAccess();
virtual void ReleaseSaveAccess();
virtual ESavePlatform getSavePlatform();
virtual bool isSaveEndianDifferent();
virtual void setLocalPlatform();
virtual void setPlatform(ESavePlatform plat);
virtual ByteOrder getSaveEndian();
virtual ByteOrder getLocalEndian();
virtual void setEndian(ByteOrder endian);
virtual void ConvertRegionFile(File sourceFile);
virtual void ConvertToLocalPlatform();
};