//------------------------------------------------------------------------------
// Load/save example object
//------------------------------------------------------------------------------
#include "console/consoleTypes.h"
#include "console/simBase.h"
#include "core/fileStream.h"

class LoadSaveObject : public SimObject
{
   typedef SimObject Parent;

protected:
   S32 mSomeS32;
   StringTableEntry mSomeString;
   F32 mSomeF32;

public:
   LoadSaveObject() : mSomeS32(0), mSomeString( "" ), mSomeF32( 0.f ) {};
   static void initPersistFields();

   bool saveToFile( const char *filename ) const;
   bool loadFromFile( const char *filename );

   DECLARE_CONOBJECT(LoadSaveObject);
};

//------------------------------------------------------------------------------

IMPLEMENT_CONOBJECT(LoadSaveObject);

void LoadSaveObject::initPersistFields()
{
   Parent::initPersistFields();
   
   addField( "someS32", TypeS32, Offset( mSomeS32, LoadSaveObject ) );
   addField( "someString", TypeCaseString, Offset( mSomeString, LoadSaveObject ) );
   addField( "someF32", TypeF32, Offset( mSomeF32, LoadSaveObject ) );
}

//------------------------------------------------------------------------------

bool LoadSaveObject::saveToFile( const char *filename ) const
{
   char fname[1024];
   if( filename )
      if( Con::expandScriptFilename( fname, sizeof( fname ), filename ) )
         filename = fname;

   FileStream fs;
   if( !fs.open( filename, FileStream::Write ) )
   {
      Con::errorf( "LoadSaveObject: Could not open '%s'for writing.", filename );
      return false;
   }

   fs.write( mSomeS32 );
   fs.writeString( mSomeString, dStrlen( mSomeString ) );
   fs.write( mSomeF32 );

   fs.close();

   return true;
}

ConsoleMethod( LoadSaveObject, saveToFile, bool, 3, 3, "LoadSaveObject.saveToFile( filename );" )
{
   return object->saveToFile( argv[2] );
}

//------------------------------------------------------------------------------

bool LoadSaveObject::loadFromFile( const char *filename )
{
   char fname[1024];

   if( filename )
      if( Con::expandScriptFilename( fname, sizeof( fname ), filename ) )
         filename = fname;

   FileStream fs;
   if( !fs.open( filename, FileStream::Read ) )
   {
      Con::errorf( "LoadSaveObject: Could not open '%s' for reading.", filename );
      return false;
   }

   fs.read( &mSomeS32 );

   char buffer[256];
   fs.readString( buffer );
   mSomeString = StringTable->insert( buffer );

   fs.read( &mSomeF32 );

   fs.close();

   return true;
}

ConsoleMethod( LoadSaveObject, loadFromFile, bool, 3, 3, "LoadSaveObject.loadFromFile( filename );" )
{
   return object->loadFromFile( argv[2] );
}