NS/releases/valve/source/dlls/saverestore.h

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/***
*
* Copyright (c) 1999, Valve LLC. All rights reserved.
*
* This product contains software technology licensed from Id
* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
* All Rights Reserved.
*
* Use, distribution, and modification of this source code and/or resulting
* object code is restricted to non-commercial enhancements to products from
* Valve LLC. All other use, distribution, or modification is prohibited
* without written permission from Valve LLC.
*
****/
// Implementation in UTIL.CPP
#ifndef SAVERESTORE_H
#define SAVERESTORE_H
class CBaseEntity;
class CSaveRestoreBuffer
{
public:
CSaveRestoreBuffer( void );
CSaveRestoreBuffer( SAVERESTOREDATA *pdata );
~CSaveRestoreBuffer( void );
int EntityIndex( entvars_t *pevLookup );
int EntityIndex( edict_t *pentLookup );
int EntityIndex( EOFFSET eoLookup );
int EntityIndex( CBaseEntity *pEntity );
int EntityFlags( int entityIndex, int flags ) { return EntityFlagsSet( entityIndex, 0 ); }
int EntityFlagsSet( int entityIndex, int flags );
edict_t *EntityFromIndex( int entityIndex );
unsigned short TokenHash( const char *pszToken );
protected:
SAVERESTOREDATA *m_pdata;
void BufferRewind( int size );
unsigned int HashString( const char *pszToken );
};
class CSave : public CSaveRestoreBuffer
{
public:
CSave( SAVERESTOREDATA *pdata ) : CSaveRestoreBuffer( pdata ) {};
void WriteShort( const char *pname, const short *value, int count );
void WriteInt( const char *pname, const int *value, int count ); // Save an int
void WriteFloat( const char *pname, const float *value, int count ); // Save a float
void WriteTime( const char *pname, const float *value, int count ); // Save a float (timevalue)
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 int *stringId, int count ); // Save a null-terminated string (engine string)
void WriteVector( const char *pname, const Vector &value ); // Save a vector
void WriteVector( const char *pname, const float *value, int count ); // Save a vector
void WritePositionVector( const char *pname, const Vector &value ); // Offset for landmark if necessary
void WritePositionVector( const char *pname, const float *value, int count ); // array of pos vectors
void WriteFunction( const char *pname, const int *value, int count ); // Save a function pointer
int WriteEntVars( const char *pname, entvars_t *pev ); // Save entvars_t (entvars_t)
int WriteFields( const char *pname, void *pBaseData, TYPEDESCRIPTION *pFields, int fieldCount );
private:
int DataEmpty( const char *pdata, int size );
void BufferField( const char *pname, int size, const char *pdata );
void BufferString( char *pdata, int len );
void BufferData( const char *pdata, int size );
void BufferHeader( const char *pname, int size );
};
typedef struct
{
unsigned short size;
unsigned short token;
char *pData;
} HEADER;
class CRestore : public CSaveRestoreBuffer
{
public:
CRestore( SAVERESTOREDATA *pdata ) : CSaveRestoreBuffer( pdata ) { m_global = 0; m_precache = TRUE; }
int ReadEntVars( const char *pname, entvars_t *pev ); // entvars_t
int ReadFields( const char *pname, void *pBaseData, TYPEDESCRIPTION *pFields, int fieldCount );
int ReadField( void *pBaseData, TYPEDESCRIPTION *pFields, int fieldCount, int startField, int size, char *pName, void *pData );
int ReadInt( void );
short ReadShort( void );
int ReadNamedInt( const char *pName );
char *ReadNamedString( const char *pName );
int Empty( void ) { return (m_pdata == NULL) || ((m_pdata->pCurrentData-m_pdata->pBaseData)>=m_pdata->bufferSize); }
inline void SetGlobalMode( int global ) { m_global = global; }
void PrecacheMode( BOOL mode ) { m_precache = mode; }
private:
char *BufferPointer( void );
void BufferReadBytes( char *pOutput, int size );
void BufferSkipBytes( int bytes );
int BufferSkipZString( void );
int BufferCheckZString( const char *string );
void BufferReadHeader( HEADER *pheader );
int m_global; // Restoring a global entity?
BOOL m_precache;
};
#define MAX_ENTITYARRAY 64
//#define ARRAYSIZE(p) (sizeof(p)/sizeof(p[0]))
#define IMPLEMENT_SAVERESTORE(derivedClass,baseClass) \
int derivedClass::Save( CSave &save )\
{\
if ( !baseClass::Save(save) )\
return 0;\
return save.WriteFields( #derivedClass, this, m_SaveData, ARRAYSIZE(m_SaveData) );\
}\
int derivedClass::Restore( CRestore &restore )\
{\
if ( !baseClass::Restore(restore) )\
return 0;\
return restore.ReadFields( #derivedClass, this, m_SaveData, ARRAYSIZE(m_SaveData) );\
}
typedef enum { GLOBAL_OFF = 0, GLOBAL_ON = 1, GLOBAL_DEAD = 2 } GLOBALESTATE;
typedef struct globalentity_s globalentity_t;
struct globalentity_s
{
char name[64];
char levelName[32];
GLOBALESTATE state;
globalentity_t *pNext;
};
class CGlobalState
{
public:
CGlobalState();
void Reset( void );
void ClearStates( void );
void EntityAdd( string_t globalname, string_t mapName, GLOBALESTATE state );
void EntitySetState( string_t globalname, GLOBALESTATE state );
void EntityUpdate( string_t globalname, string_t mapname );
const globalentity_t *EntityFromTable( string_t globalname );
GLOBALESTATE EntityGetState( string_t globalname );
int EntityInTable( string_t globalname ) { return (Find( globalname ) != NULL) ? 1 : 0; }
int Save( CSave &save );
int Restore( CRestore &restore );
static TYPEDESCRIPTION m_SaveData[];
const char* GetLevelName();
//#ifdef _DEBUG
void DumpGlobals( void );
//#endif
private:
globalentity_t *Find( string_t globalname );
globalentity_t *m_pList;
int m_listCount;
};
extern CGlobalState gGlobalState;
#endif //SAVERESTORE_H