File content as of revision 13:5930f0e5889d:

#ifndef PUSHINGENGINE_H
#define PUSHINGENGINE_H

#include "mbed.h"
#include "N5110.h"
#include "Gamepad.h"
#include "Ppl.h"
#include "Box.h"
#include "Cross.h"
#include "Menu.h"

/** PushingEngine Class
@author Zhenwen liao, University of Leeds
@brief Controls the Pushing and Determining Move in the Sokoban game
@date 04 2019
*/
class PushingEngine
{

public:
    /** Constructor */
    PushingEngine();
    
    /** Destructor */
    ~PushingEngine();

    /** Initialise the first position of two boxes, ppl, two crosses and initial reading of Menu parameter
    * @param box1_x @details the first x position of box1 (int)
    * @param box1_y @details the first y position of box1 (int)
    * @param box2_x @details the first x position of box2 (int)
    * @param box2_y @details the first y position of box2 (int)
    * @param ppl_x @details the first x position of ppl (int)
    * @param ppl_y @details the first y position of ppl (int)
    * @param cross1_x @details the first x position of cross1 (int)
    * @param cross1_y @details the first y position of cross1 (int)
    * @param cross2_x @details the first x position of cross2 (int)
    * @param cross2_y @details the first y position of cross2 (int)
    * @param menu_x @details the initial reading of level for menu (int)
    * @param menu_y @details the initial reading of level confirmation for menu (int)
    */
    void init(int box1_x,int box1_y,int box2_x,int box2_y,int ppl_x,int ppl_y,
              int cross1_x,int cross1_y,int cross2_x,int cross2_y,int menu_x,int menu_y);
              
    /** Read the inputs from Gamepad
    * @details Read the potentialmeter, botton A,B,X,Y
    */
    void read_input(Gamepad &pad);
    
    /** Update the Pushing and determining proccess
    * @details First,check box and ppl touching or not
    *          Second,check if next move of ppl will kick the box out off screen
    *          Third, update the parameter accorading to the determination of above function
    *          Fourth, reset the indicator for function
    *          Fifth, check if ppl will cover the box after next move
    *          Sixth, check if box and cross match each other and set the scores
    */
    void update(Gamepad &pad,int barrier_x,int barrier_y);
    
    /** Draw all the oject on the screen*/
    void draw(N5110 &lcd,int barrier_x,int barrier_y);
    
    /** Set the score */
    int set_score();
    
    /** Get the Menu 
    * @return the parameter of current Menu state
    */
    Vector2D get_menu(N5110 &lcd,Gamepad &pad);
    

private:
    
    
    void check_ppl_box1_touching(Gamepad &pad);
    void check_ppl_box2_touching(Gamepad &pad);
    void hold_ppl_box1_wall(Gamepad &pad);
    void hold_ppl_box2_wall(Gamepad &pad);
    bool ppl_cover_box(Gamepad &pad);
    void box_cover_cross1_score(Gamepad &pad);
    void box_cover_cross2_score(Gamepad &pad);
    
    

    Box _b1;
    Box _b2;

    // positions of the Boxes
    int _b1x;
    int _b2x;
    int _b1y;
    int _b2y;

    Ppl _ppl;

    // poitions of the ppl
    int _pplx;
    int _pply;
    
    Cross _c1;
    Cross _c2;
    
    // position of the crosses
    int _c1x;
    int _c2x;
    int _c1y;
    int _c2y;
    
    Menu _menu;
    
    //reading of bottom
    int _bb;
    int _bx;
    int _by;
    int _ba;
    int _bjoy;
    int _bj;

    //parameter for touching 
    int _s; //ppl with b1
    int _r; //ppl with b2
    int _temp; // 
    
    int _score;

};

#endif