#define graphics CGraphics::Instance()
#define pIrrlicht CGraphics::Instance()->getIrrlicht()
#define pSmgr CGraphics::Instance()->getIrrlicht()->getSceneManager()
#define pGuienv CGraphics::Instance()->getIrrlicht()->getGUIEnvironment()
#define pFsystem CGraphics::Instance()->getIrrlicht()->getFileSystem()
#define pDriver CGraphics::Instance()->getIrrlicht()->getVideoDriver()