#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#include "stdafx.h"

#include "worldio.h"
#include "object.h"
#include "draggableobject.h"
#include "crashingobject.h"
#include <iostream.h>
#include <iomanip.h>

// #include any other files containing your own personal object definitions
// here.

// Load a world from an istream. If a failure occurs while loading the world,
// return false, else return true.
bool loadWorld(istream& in, World* world)
{
	int newX, newY;

	// The first two things in a world file are the dimensions of the world.
	if (! (in >> newX >> newY ) )
		return false;

	world->setSize(newX, newY);

	char objName[30];

	while (in >> setw(30) >> objName)
	{
		// Depending on what objName is, we create a new object.
		if (strcmp(objName, draggableObjectName)==0)
		{
			DraggableObject* newObj = new DraggableObject;
			in >> *newObj;
			world->addObject(newObj);
		}
		// You will want to add your own additional code here
		// that will check for and instantiate new objects that
		// you've created.
		if (strcmp(objName, crashingObjectName)==0)
		{
			CrashingObject* newObj = new CrashingObject;
			in >> *newObj;
			world->addObject(newObj);
		}

	}

	return true;
}

// Save a world to the ostream. If a failure occurs while saving the world,
// return false, else return true.
bool saveWorld(ostream& out, World* world)
{
	// As always, the first thing to output in a world file is the 
	// size of the world.
	long sizeX, sizeY;
	world->getSize(sizeX, sizeY);
	out << sizeX << " " << sizeY << endl << endl;

	// Next, output the items in the object list.
	ObjectList* objList = world->getAllObjects();
	ObjectList::Position pos;

	for (objList->reset(pos); !objList->endOfList(pos); 
		objList->advance(pos))
		out << *(objList->data(pos)) << endl;

	if (out) return true;
	else return false;
}