/*
===========================================================================

Doom 3 GPL Source Code
Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.

This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").

Doom 3 Source Code 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.

Doom 3 Source Code 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 Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.

In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.

If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.

===========================================================================
*/

#ifndef __SAVEGAME_H__
#define __SAVEGAME_H__

#include "framework/DeclFX.h"
#include "framework/Game.h"
#include "renderer/Model.h"
#include "renderer/RenderSystem.h"

#include "gamesys/Class.h"

/*

Save game related helper classes.

*/

const int INITIAL_RELEASE_BUILD_NUMBER = 1262;

class idSaveGame {
public:
							idSaveGame( idFile *savefile );
							~idSaveGame();

	void					Close( void );

	void					AddObject( const idClass *obj );
	void					WriteObjectList( void );

	void					Write( const void *buffer, int len );
	void					WriteInt( const int value );
	void					WriteJoint( const jointHandle_t value );
	void					WriteShort( const short value );
	void					WriteByte( const byte value );
	void					WriteSignedChar( const signed char value );
	void					WriteFloat( const float value );
	void					WriteBool( const bool value );
	void					WriteString( const char *string );
	void					WriteVec2( const idVec2 &vec );
	void					WriteVec3( const idVec3 &vec );
	void					WriteVec4( const idVec4 &vec );
	void					WriteVec6( const idVec6 &vec );
	void					WriteWinding( const idWinding &winding );
	void					WriteBounds( const idBounds &bounds );
	void					WriteMat3( const idMat3 &mat );
	void					WriteAngles( const idAngles &angles );
	void					WriteObject( const idClass *obj );
	void					WriteStaticObject( const idClass &obj );
	void					WriteDict( const idDict *dict );
	void					WriteMaterial( const idMaterial *material );
	void					WriteSkin( const idDeclSkin *skin );
	void					WriteParticle( const idDeclParticle *particle );
	void					WriteFX( const idDeclFX *fx );
	void					WriteSoundShader( const idSoundShader *shader );
	void					WriteModelDef( const class idDeclModelDef *modelDef );
	void					WriteModel( const idRenderModel *model );
	void					WriteUserInterface( const idUserInterface *ui, bool unique );
	void					WriteRenderEntity( const renderEntity_t &renderEntity );
	void					WriteRenderLight( const renderLight_t &renderLight );
	void					WriteRefSound( const refSound_t &refSound );
	void					WriteRenderView( const renderView_t &view );
	void					WriteUsercmd( const usercmd_t &usercmd );
	void					WriteContactInfo( const contactInfo_t &contactInfo );
	void					WriteTrace( const trace_t &trace );
	void					WriteTraceModel( const idTraceModel &trace );
	void					WriteClipModel( const class idClipModel *clipModel );
	void					WriteSoundCommands( void );

	void					WriteBuildNumber( const int value );

private:
	idFile *				file;

	idList<const idClass *>	objects;

	void					CallSave_r( const idTypeInfo *cls, const idClass *obj );
};

class idRestoreGame {
public:
							idRestoreGame( idFile *savefile );
							~idRestoreGame();

	void					CreateObjects( void );
	void					RestoreObjects( void );
	void					DeleteObjects( void );

	void					Error( const char *fmt, ... ) id_attribute((format(printf,2,3)));

	void					Read( void *buffer, int len );
	void					ReadInt( int &value );
	void					ReadJoint( jointHandle_t &value );
	void					ReadShort( short &value );
	void					ReadByte( byte &value );
	void					ReadSignedChar( signed char &value );
	void					ReadFloat( float &value );
	void					ReadBool( bool &value );
	void					ReadString( idStr &string );
	void					ReadVec2( idVec2 &vec );
	void					ReadVec3( idVec3 &vec );
	void					ReadVec4( idVec4 &vec );
	void					ReadVec6( idVec6 &vec );
	void					ReadWinding( idWinding &winding );
	void					ReadBounds( idBounds &bounds );
	void					ReadMat3( idMat3 &mat );
	void					ReadAngles( idAngles &angles );
	void					ReadObject( idClass *&obj );
	void					ReadStaticObject( idClass &obj );
	void					ReadDict( idDict *dict );
	void					ReadMaterial( const idMaterial *&material );
	void					ReadSkin( const idDeclSkin *&skin );
	void					ReadParticle( const idDeclParticle *&particle );
	void					ReadFX( const idDeclFX *&fx );
	void					ReadSoundShader( const idSoundShader *&shader );
	void					ReadModelDef( const idDeclModelDef *&modelDef );
	void					ReadModel( idRenderModel *&model );
	void					ReadUserInterface( idUserInterface *&ui );
	void					ReadRenderEntity( renderEntity_t &renderEntity );
	void					ReadRenderLight( renderLight_t &renderLight );
	void					ReadRefSound( refSound_t &refSound );
	void					ReadRenderView( renderView_t &view );
	void					ReadUsercmd( usercmd_t &usercmd );
	void					ReadContactInfo( contactInfo_t &contactInfo );
	void					ReadTrace( trace_t &trace );
	void					ReadTraceModel( idTraceModel &trace );
	void					ReadClipModel( idClipModel *&clipModel );
	void					ReadSoundCommands( void );

	void					ReadBuildNumber( void );

	//						Used to retrieve the saved game buildNumber from within class Restore methods
	int						GetBuildNumber( void );

	// DG: added these methods, internalSavegameVersion makes us independent of the global BUILD_NUMBER
	void					ReadInternalSavegameVersion( void )
	{
		ReadInt( internalSavegameVersion );
	}

	// if it's 0, this is from a GetBuildNumber() < 1305 savegame
	// otherwise, compare it to idGameLocal::INTERNAL_SAVEGAME_VERSION
	int						GetInternalSavegameVersion( void ) const
	{
		return internalSavegameVersion;
	}
	// DG end

private:
	int						buildNumber;
	int						internalSavegameVersion; // DG added this

	idFile *				file;

	idList<idClass *>		objects;

	void					CallRestore_r( const idTypeInfo *cls, idClass *obj );
};

#endif /* !__SAVEGAME_H__*/