Sprites 

All sprite objects (the hero, guardians, doors, collection items) are based on the CSprite class. When creating the CGuardians or CHero object, you have to pass the CSprite object to CGuardian and CHero constructor. The Sprite object is created in this way:

new CSprite(gameEngineObject,    // reference to the game engine
    SurfaceNumber,    // ID of surface (ID given to DDCreateSurface)
    nSurfaceOffsetX,   // upper left coordinate of the sprite bitmap within surface
    nSurfaceOffsetY,  
    nSpriteWidth, nSpriteHeight,// dimensions of the single frame of the sprite
    bIsSpriteBidirectional,  // true if sprite has different frames for left and right direction
    nNumberofSpriteFrames);  // number of sprite frames

The guardian object is created in the following way:

guardian.Create( pSpriteObject,
    nInitPosX,     // initial coordinates
    nInitPosY
    nSpeed,      // guardian speed - number of pixels per game frame
    horizontalOrVertical );  // CGuardian::VERTICAL / CGuardian::HORIZONTAL

guardian.SetBorderLimits(
    nLeft,      // defines left and right (or top and bottom) limits
    nRight );     // for the guardian movement

guardian.SetBidi( bIsSpriteBidirectional );

The Hero object is created in the following way: 

hero.Create( pSpriteObject, nInitPosX, nInitPosY );