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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef PLINDEXFILE_H
#define PLINDEXFILE_H
#include "../pnKeyedObject/plUoid.h"
#include <vector>
//---------------------------------------------------------------
// These Classes are used to Read and Write the Index file for the Database
// Records are kept the same size Currently 20 Bytes
// At the End of the file, the Strings are stored
// plIxStrTbl is used to Read and Write the String section of the Index
//---------------------------------------------------------------
//---------------------------------------------------------------
// Main header Entry, One per Index file
//---------------------------------------------------------------
class plIndexFileHeader
{
public:
plIndexFileHeader(); // I buried Paul
~plIndexFileHeader(){}
UInt32 fTimeStamp[2];
UInt32 fStrTblStartPos; // where the String table starts in the Index file
UInt16 fStrTblKnt; // how many strings in the string table
UInt16 fMajorVersion;
UInt16 fMinorVersion;
UInt16 fExportLocal; // was this file exported locally or downloaded from server?
void Write(hsStream *s);
void Read(hsStream *s);
};
//---------------------------------------------------------------
// Room Entry One Entry per Room
//---------------------------------------------------------------
class plIndexFileRoom
{
public:
plIndexFileRoom() { memset(this,1,sizeof(this)); } // no virtuals...relax
~plIndexFileRoom(){}
plUoid fRmUoid;
UInt16 fTypesInRoom;
UInt16 fFiller1_16;
UInt32 fFiller2_32;
UInt32 fFiller3_32;
void Write(hsStream *s);
void Read(hsStream *s);
};
//---------------------------------------------------------------
// Type Entry One Entry per Type in each Room
//---------------------------------------------------------------
class plIndexFileType
{
public:
plIndexFileType() { memset(this,1,sizeof(this)); } // no virtuals...relax
~plIndexFileType(){}
plUoid fTypeUoid;
UInt16 fNumKeys;
UInt32 fFiller1_32;
UInt32 fFiller2_32;
void Write(hsStream *s);
void Read(hsStream *s);
};
//---------------------------------------------------------------
// Key Entry One Entry per Type in each Room
//---------------------------------------------------------------
class plIndexFileKey
{
public:
plIndexFileKey() { memset(this,1,sizeof(this)); } // no virtuals...relax
~plIndexFileKey(){}
plUoid fKeyUoid;
UInt32 fStartPos;
UInt32 fDataLen;
UInt16 fNameIx; // Index into string table of name
UInt16 fFiller1_16;
void Write(hsStream *s) ;
void Read(hsStream *s);
};
//---------------------------------------------------------------
// String Table, Lives at the end of the Index File
//---------------------------------------------------------------
class plIxStrTbl
{
std::vector<const char *>fStringTbl;
char *fpStrings;
UInt32 fTabSize; // buffer size for strings
public:
plIxStrTbl() :fpStrings(nil), fTabSize(0){}
~plIxStrTbl();
Int16 FindString(const char *p); // returns -1 if not found, otherwise the index from zero
UInt16 AddString(const char *p);
UInt16 NumStrings() { return fStringTbl.size(); }
const char * GetString(UInt16 x) { return fStringTbl[x]; }
void Write(hsStream *s);
void Read(hsStream *s);
};
class plLinkRecord
{
public:
plLinkRecord(UInt16 a, UInt16 d, UInt16 r) : fAgeIx(a), fDistIx(d), fRoomIx(r){}
~plLinkRecord(){}
UInt16 fAgeIx; // Index into string table
UInt16 fDistIx;
UInt16 fRoomIx;
UInt32 fTimeStamp[2];
};
#endif