D:/work/nytro/include/game/nyWorld.h

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#ifndef __NYTRO_World_H
#define __NYTRO_World_H

//*****************************************************************************
// Nytro GameEngine
//
// © Copyright 7thFACTOR Entertainment
// All rights reserved
//*****************************************************************************

#include "system/nyCommon.h"
#include "system/nyResource.h"
#include "system/nyXml.h"
#include "game/nyEntity.h"

namespace Nytro
{
    namespace Game
    {
        class NYTRO_API WorldObserver : IObserver
        {
            public:

                virtual void onWorldLoadProgress( int8 aProgress, const char* pMessage ){};
                virtual void onWorldSaveProgress( int8 aProgress, const char* pMessage ){};
        };

        class NYTRO_API World : public Resource, public Observable<WorldObserver>
        {
            public:

                NYTRO_CLASS_NAME( World );

                World();
                virtual ~World();

                EResult                 load( const char* pFilename = NULL, bool bSkipFileProvider = false );
                EResult                 unload();
                EResult                 save( const char* pFilename = NULL );
                Entity*                 findEntityByName( const char* pName );
                EResult                 removeEntity( Entity* pEntity );
                EResult                 removeEntities( vector<Entity*>& rEntities );
                void                    processEntitySlots();
                EntityGroup*            createEntityGroup();
                EntityGroup*            findEntityGroupByName( const char* pGroupName );
                void                    deleteEntityGroupByName( const char* pGroupName );
                void                    deleteEntityGroup( EntityGroup* pGroup );
                vector<Entity*>&        getEntities();
                const vector<EntityGroup*>& getEntityGroups() const;
                const vector<EntityLayer*>& getEntityLayers() const;
                EntityLayer*            createEntityLayer();
                EntityLayer*            getEntityLayerByName( const char* pName );
                void                    deleteEntityLayer( EntityLayer* pLayer, bool bDeleteEntitiesAlso = false );
                void                    updateEntitiesFromLayers();
                EResult                 loadFromStream( Stream* pStream );
                EResult                 saveToStream( Stream* pStream );

            protected:

                bool                    addNewEntityFromXML( XmlElement* pEntityElem, int8 aProgress = 0 );

                vector<Entity*>         m_entities;
                vector<EntityGroup*>    m_entityGroups;
                string                  m_description;
                vector<EntityLayer*>    m_entityLayers;
        };
    };
};

#endif