#ifndef CLASS_MOUSE
#define CLASS_MOUSE

#include <vector>

#include "graphic/Blitter.h"
#include "graphic/MovableImage.h"

#include "DataTypes.h"

/// mouse management
class Mouse
{
	private:
	 /// vector of mouse pointers
	 std::vector < graphic::MovableImage * > _pointers;
	 /// pointer to the image currently used 
	 graphic::MovableImage * _cur_pointer;

	protected:
	 /// absolute position on the map
	 IntPoint * _abs_position;
	 /// position on the screen
	 IntPoint * _screen_position;
	 /// origin of the screen view
	 IntPoint * _view;

	public:
	 /// constructor
	 Mouse(std::vector< graphic::MovableImage * > pointers, Sint16 x = 0, Sint16 y = 0);
	 /// destroyer
	 virtual ~Mouse();

	 /// set the current view values
	 void virtual SetView(Sint16 view_x, Sint16 view_y);
	 /// set the current view values passing a point
	 void virtual SetView(IntPoint view) { SetView(view.x, view.y); };

	 /// set the position passing just the screen position
	 void virtual SetPosition(Sint16 x, Sint16 y);
	 /// set the position passing just the point of screen position
	 void virtual SetPosition(IntPoint pos) { SetPosition(pos.x, pos.y); };
	 /// set the position passing screen position and view position
	 void virtual SetPosition(Sint16 x, Sint16 y, Sint16 view_x, Sint16 view_y)
	 {
		 SetView(view_x, view_y);
		 SetPosition(x, y);
	 };
	 /// set the position passing screen position as point and view position as point
	 void virtual SetPosition(IntPoint pos, IntPoint view) { SetPosition(pos.x, pos.y, view.x, view.y); };

	 /// return the X screen position
	 Sint16 GetX() { return _screen_position->x; };
	 /// return the Y screen position
	 Sint16 GetY() { return _screen_position->y; };

	 /// return the absolute X position
	 Sint16 GetAbsX() { return _abs_position->x; };
	 /// return the absolute Y position
	 Sint16 GetAbsY() { return _abs_position->y; };

	 /// save the screen under the pointer in the buffer and then blit on screen
	 void Blit()
	 {
		_cur_pointer->SaveBackground();
		graphic::blitter->Blit(_cur_pointer);
	 };

	 /// restore the background blitting the buffer on screen
	 void RestoreBackg() { _cur_pointer->RestoreBackground(); };

	 /// restore the background, move and blit
	 void UpdateAndBlit();

	 /// move and blit without restoring the background
	 void MoveAndBlit();

	 /// set the pointer image
	 void SetPointer(int p);

	 /// update the mouse position after a VFlip of the screen
	 void VFlip(int screen_w, int screen_h);
};

#endif