mirror of
https://github.com/alliedmodders/hl2sdk.git
synced 2024-12-22 17:47:38 +08:00
356 lines
14 KiB
C++
356 lines
14 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose: Helper classes and functions for the save/restore system. These
|
|
// classes are internally structured to distinguish simple from
|
|
// complex types.
|
|
//
|
|
// $NoKeywords: $
|
|
//=============================================================================//
|
|
|
|
#ifndef SAVERESTORE_H
|
|
#define SAVERESTORE_H
|
|
|
|
#include "isaverestore.h"
|
|
#include "utlvector.h"
|
|
#include "filesystem.h"
|
|
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
//-------------------------------------
|
|
|
|
class CSaveRestoreData;
|
|
class CSaveRestoreSegment;
|
|
class CGameSaveRestoreInfo;
|
|
struct typedescription_t;
|
|
struct edict_t;
|
|
struct datamap_t;
|
|
class CBaseEntity;
|
|
struct interval_t;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// CSave
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class CSave : public ISave
|
|
{
|
|
public:
|
|
CSave( CSaveRestoreData *pdata );
|
|
|
|
//---------------------------------
|
|
// Logging
|
|
void StartLogging( const char *pszLogName );
|
|
void EndLogging( void );
|
|
|
|
//---------------------------------
|
|
bool IsAsync();
|
|
|
|
//---------------------------------
|
|
|
|
int GetWritePos() const;
|
|
void SetWritePos(int pos);
|
|
|
|
//---------------------------------
|
|
// Datamap based writing
|
|
//
|
|
|
|
int WriteAll( const void *pLeafObject, datamap_t *pLeafMap ) { return DoWriteAll( pLeafObject, pLeafMap, pLeafMap ); }
|
|
|
|
int WriteFields( const char *pname, const void *pBaseData, datamap_t *pMap, typedescription_t *pFields, int fieldCount );
|
|
|
|
//---------------------------------
|
|
// Block support
|
|
//
|
|
|
|
virtual void StartBlock( const char *pszBlockName );
|
|
virtual void StartBlock();
|
|
virtual void EndBlock();
|
|
|
|
//---------------------------------
|
|
// Primitive types
|
|
//
|
|
|
|
void WriteShort( const short *value, int count = 1 );
|
|
void WriteInt( const int *value, int count = 1 ); // Save an int
|
|
void WriteBool( const bool *value, int count = 1 ); // Save a bool
|
|
void WriteFloat( const float *value, int count = 1 ); // Save a float
|
|
void WriteData( const char *pdata, int size ); // Save a binary data block
|
|
void WriteString( const char *pstring ); // Save a null-terminated string
|
|
void WriteString( const string_t *stringId, int count = 1 ); // Save a null-terminated string (engine string)
|
|
void WriteVector( const Vector &value ); // Save a vector
|
|
void WriteVector( const Vector *value, int count = 1 ); // Save a vector array
|
|
void WriteQuaternion( const Quaternion &value ); // Save a Quaternion
|
|
void WriteQuaternion( const Quaternion *value, int count = 1 ); // Save a Quaternion array
|
|
void WriteVMatrix( const VMatrix *value, int count = 1 ); // Save a vmatrix array
|
|
|
|
// Note: All of the following will write out both a header and the data. On restore,
|
|
// this needs to be cracked
|
|
void WriteShort( const char *pname, const short *value, int count = 1 );
|
|
void WriteInt( const char *pname, const int *value, int count = 1 ); // Save an int
|
|
void WriteBool( const char *pname, const bool *value, int count = 1 ); // Save a bool
|
|
void WriteFloat( const char *pname, const float *value, int count = 1 ); // Save a float
|
|
void WriteData( const char *pname, int size, const char *pdata ); // Save a binary data block
|
|
void WriteString( const char *pname, const char *pstring ); // Save a null-terminated string
|
|
void WriteString( const char *pname, const string_t *stringId, int count = 1 ); // Save a null-terminated string (engine string)
|
|
void WriteVector( const char *pname, const Vector &value ); // Save a vector
|
|
void WriteVector( const char *pname, const Vector *value, int count = 1 ); // Save a vector array
|
|
void WriteQuaternion( const char *pname, const Quaternion &value ); // Save a Quaternion
|
|
void WriteQuaternion( const char *pname, const Quaternion *value, int count = 1 ); // Save a Quaternion array
|
|
void WriteVMatrix( const char *pname, const VMatrix *value, int count = 1 );
|
|
//---------------------------------
|
|
// Game types
|
|
//
|
|
|
|
void WriteTime( const char *pname, const float *value, int count = 1 ); // Save a float (timevalue)
|
|
void WriteTick( const char *pname, const int *value, int count = 1 ); // Save a int (timevalue)
|
|
void WritePositionVector( const char *pname, const Vector &value ); // Offset for landmark if necessary
|
|
void WritePositionVector( const char *pname, const Vector *value, int count = 1 ); // array of pos vectors
|
|
void WriteFunction( datamap_t *pMap, const char *pname, inputfunc_t **value, int count = 1 ); // Save a function pointer
|
|
|
|
void WriteEntityPtr( const char *pname, CBaseEntity **ppEntity, int count = 1 );
|
|
void WriteEdictPtr( const char *pname, edict_t **ppEdict, int count = 1 );
|
|
void WriteEHandle( const char *pname, const EHANDLE *pEHandle, int count = 1 );
|
|
|
|
virtual void WriteTime( const float *value, int count = 1 ); // Save a float (timevalue)
|
|
virtual void WriteTick( const int *value, int count = 1 ); // Save a int (timevalue)
|
|
virtual void WritePositionVector( const Vector &value ); // Offset for landmark if necessary
|
|
virtual void WritePositionVector( const Vector *value, int count = 1 ); // array of pos vectors
|
|
|
|
virtual void WriteEntityPtr( CBaseEntity **ppEntity, int count = 1 );
|
|
virtual void WriteEdictPtr( edict_t **ppEdict, int count = 1 );
|
|
virtual void WriteEHandle( const EHANDLE *pEHandle, int count = 1 );
|
|
void WriteVMatrixWorldspace( const char *pname, const VMatrix *value, int count = 1 ); // Save a vmatrix array
|
|
void WriteVMatrixWorldspace( const VMatrix *value, int count = 1 ); // Save a vmatrix array
|
|
void WriteMatrix3x4Worldspace( const matrix3x4_t *value, int count );
|
|
void WriteMatrix3x4Worldspace( const char *pname, const matrix3x4_t *value, int count );
|
|
|
|
void WriteInterval( const interval_t *value, int count = 1 ); // Save an interval
|
|
void WriteInterval( const char *pname, const interval_t *value, int count = 1 );
|
|
|
|
//---------------------------------
|
|
|
|
int EntityIndex( const CBaseEntity *pEntity );
|
|
int EntityFlagsSet( int entityIndex, int flags );
|
|
|
|
CGameSaveRestoreInfo *GetGameSaveRestoreInfo() { return m_pGameInfo; }
|
|
|
|
private:
|
|
|
|
//---------------------------------
|
|
bool IsLogging( void );
|
|
void Log( const char *pName, fieldtype_t fieldType, void *value, int count );
|
|
|
|
//---------------------------------
|
|
|
|
void BufferField( const char *pname, int size, const char *pdata );
|
|
void BufferData( const char *pdata, int size );
|
|
void WriteHeader( const char *pname, int size );
|
|
|
|
int DoWriteAll( const void *pLeafObject, datamap_t *pLeafMap, datamap_t *pCurMap );
|
|
bool WriteField( const char *pname, void *pData, datamap_t *pRootMap, typedescription_t *pField );
|
|
|
|
bool WriteBasicField( const char *pname, void *pData, datamap_t *pRootMap, typedescription_t *pField );
|
|
|
|
int DataEmpty( const char *pdata, int size );
|
|
void BufferString( char *pdata, int len );
|
|
|
|
int CountFieldsToSave( const void *pBaseData, typedescription_t *pFields, int fieldCount );
|
|
bool ShouldSaveField( const void *pData, typedescription_t *pField );
|
|
|
|
//---------------------------------
|
|
// Game info methods
|
|
//
|
|
|
|
bool WriteGameField( const char *pname, void *pData, datamap_t *pRootMap, typedescription_t *pField );
|
|
int EntityIndex( const edict_t *pentLookup );
|
|
|
|
//---------------------------------
|
|
|
|
CUtlVector<int> m_BlockStartStack;
|
|
|
|
// Stream data
|
|
CSaveRestoreSegment *m_pData;
|
|
|
|
// Game data
|
|
CGameSaveRestoreInfo *m_pGameInfo;
|
|
|
|
FileHandle_t m_hLogFile;
|
|
bool m_bAsync;
|
|
};
|
|
|
|
//-----------------------------------------------------------------------------
|
|
//
|
|
// CRestore
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class CRestore : public IRestore
|
|
{
|
|
public:
|
|
CRestore( CSaveRestoreData *pdata );
|
|
|
|
int GetReadPos() const;
|
|
void SetReadPos( int pos );
|
|
|
|
//---------------------------------
|
|
// Datamap based reading
|
|
//
|
|
|
|
int ReadAll( void *pLeafObject, datamap_t *pLeafMap ) { return DoReadAll( pLeafObject, pLeafMap, pLeafMap ); }
|
|
|
|
int ReadFields( const char *pname, void *pBaseData, datamap_t *pMap, typedescription_t *pFields, int fieldCount );
|
|
void EmptyFields( void *pBaseData, typedescription_t *pFields, int fieldCount );
|
|
|
|
//---------------------------------
|
|
// Block support
|
|
//
|
|
|
|
virtual void StartBlock( SaveRestoreRecordHeader_t *pHeader );
|
|
virtual void StartBlock( char szBlockName[SIZE_BLOCK_NAME_BUF] );
|
|
virtual void StartBlock();
|
|
virtual void EndBlock();
|
|
|
|
//---------------------------------
|
|
// Field header cracking
|
|
//
|
|
|
|
void ReadHeader( SaveRestoreRecordHeader_t *pheader );
|
|
int SkipHeader() { SaveRestoreRecordHeader_t header; ReadHeader( &header ); return header.size; }
|
|
const char * StringFromHeaderSymbol( int symbol );
|
|
|
|
//---------------------------------
|
|
// Primitive types
|
|
//
|
|
|
|
short ReadShort( void );
|
|
int ReadShort( short *pValue, int count = 1, int nBytesAvailable = 0);
|
|
int ReadInt( int *pValue, int count = 1, int nBytesAvailable = 0);
|
|
int ReadInt( void );
|
|
int ReadBool( bool *pValue, int count = 1, int nBytesAvailable = 0);
|
|
int ReadFloat( float *pValue, int count = 1, int nBytesAvailable = 0);
|
|
int ReadData( char *pData, int size, int nBytesAvailable );
|
|
void ReadString( char *pDest, int nSizeDest, int nBytesAvailable ); // A null-terminated string
|
|
int ReadString( string_t *pString, int count = 1, int nBytesAvailable = 0);
|
|
int ReadVector( Vector *pValue );
|
|
int ReadVector( Vector *pValue, int count = 1, int nBytesAvailable = 0);
|
|
int ReadQuaternion( Quaternion *pValue );
|
|
int ReadQuaternion( Quaternion *pValue, int count = 1, int nBytesAvailable = 0);
|
|
int ReadVMatrix( VMatrix *pValue, int count = 1, int nBytesAvailable = 0);
|
|
|
|
//---------------------------------
|
|
// Game types
|
|
//
|
|
|
|
int ReadTime( float *pValue, int count = 1, int nBytesAvailable = 0);
|
|
int ReadTick( int *pValue, int count = 1, int nBytesAvailable = 0);
|
|
int ReadPositionVector( Vector *pValue );
|
|
int ReadPositionVector( Vector *pValue, int count = 1, int nBytesAvailable = 0);
|
|
int ReadFunction( datamap_t *pMap, inputfunc_t **pValue, int count = 1, int nBytesAvailable = 0);
|
|
|
|
int ReadEntityPtr( CBaseEntity **ppEntity, int count = 1, int nBytesAvailable = 0 );
|
|
int ReadEdictPtr( edict_t **ppEdict, int count = 1, int nBytesAvailable = 0 );
|
|
int ReadEHandle( EHANDLE *pEHandle, int count = 1, int nBytesAvailable = 0 );
|
|
int ReadVMatrixWorldspace( VMatrix *pValue, int count = 1, int nBytesAvailable = 0);
|
|
int ReadMatrix3x4Worldspace( matrix3x4_t *pValue, int nElems = 1, int nBytesAvailable = 0 );
|
|
int ReadInterval( interval_t *interval, int count = 1, int nBytesAvailable = 0 );
|
|
|
|
//---------------------------------
|
|
|
|
void SetGlobalMode( int global ) { m_global = global; }
|
|
void PrecacheMode( bool mode ) { m_precache = mode; }
|
|
bool GetPrecacheMode( void ) { return m_precache; }
|
|
|
|
CGameSaveRestoreInfo *GetGameSaveRestoreInfo() { return m_pGameInfo; }
|
|
|
|
private:
|
|
//---------------------------------
|
|
// Read primitives
|
|
//
|
|
|
|
char * BufferPointer( void );
|
|
void BufferSkipBytes( int bytes );
|
|
|
|
int DoReadAll( void *pLeafObject, datamap_t *pLeafMap, datamap_t *pCurMap );
|
|
|
|
typedescription_t *FindField( const char *pszFieldName, typedescription_t *pFields, int fieldCount, int *pIterator );
|
|
void ReadField( const SaveRestoreRecordHeader_t &header, void *pDest, datamap_t *pRootMap, typedescription_t *pField );
|
|
|
|
void ReadBasicField( const SaveRestoreRecordHeader_t &header, void *pDest, datamap_t *pRootMap, typedescription_t *pField );
|
|
|
|
void BufferReadBytes( char *pOutput, int size );
|
|
|
|
template <typename T>
|
|
int ReadSimple( T *pValue, int nElems, int nBytesAvailable ) // must be inline in class to keep MSVS happy
|
|
{
|
|
int desired = nElems * sizeof(T);
|
|
int actual;
|
|
|
|
if ( nBytesAvailable == 0 )
|
|
actual = desired;
|
|
else
|
|
{
|
|
Assert( nBytesAvailable % sizeof(T) == 0 );
|
|
actual = MIN( desired, nBytesAvailable );
|
|
}
|
|
|
|
BufferReadBytes( (char *)pValue, actual );
|
|
|
|
if ( actual < nBytesAvailable )
|
|
BufferSkipBytes( nBytesAvailable - actual );
|
|
|
|
return ( actual / sizeof(T) );
|
|
}
|
|
|
|
bool ShouldReadField( typedescription_t *pField );
|
|
bool ShouldEmptyField( typedescription_t *pField );
|
|
|
|
//---------------------------------
|
|
// Game info methods
|
|
//
|
|
CBaseEntity * EntityFromIndex( int entityIndex );
|
|
void ReadGameField( const SaveRestoreRecordHeader_t &header, void *pDest, datamap_t *pRootMap, typedescription_t *pField );
|
|
|
|
//---------------------------------
|
|
|
|
CUtlVector<int> m_BlockEndStack;
|
|
|
|
// Stream data
|
|
CSaveRestoreSegment *m_pData;
|
|
|
|
// Game data
|
|
CGameSaveRestoreInfo * m_pGameInfo;
|
|
int m_global; // Restoring a global entity?
|
|
bool m_precache;
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// An interface passed into the OnSave method of all entities
|
|
//-----------------------------------------------------------------------------
|
|
abstract_class IEntitySaveUtils
|
|
{
|
|
public:
|
|
// Adds a level transition save dependency
|
|
virtual void AddLevelTransitionSaveDependency( CBaseEntity *pEntity1, CBaseEntity *pEntity2 ) = 0;
|
|
|
|
// Gets the # of dependencies for a particular entity
|
|
virtual int GetEntityDependencyCount( CBaseEntity *pEntity ) = 0;
|
|
|
|
// Gets all dependencies for a particular entity
|
|
virtual int GetEntityDependencies( CBaseEntity *pEntity, int nCount, CBaseEntity **ppEntList ) = 0;
|
|
};
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Singleton interface
|
|
//-----------------------------------------------------------------------------
|
|
IEntitySaveUtils *GetEntitySaveUtils();
|
|
|
|
|
|
//=============================================================================
|
|
|
|
#endif // SAVERESTORE_H
|