People.h

00001 #ifndef PEOPLE_H
00002 #define PEOPLE_H
00003  
00004 // Included Headers ------------------------------------------------------------
00005 #include "mbed.h"
00006 #include "RandomMovement.h"
00007 #include "CheckAlienCollision.h"
00008 
00009 /** People class
00010  * @brief Draws people and moves them if collected by aliens
00011  * @author Benjamin Evans, University of Leeds
00012  * @date May 2020
00013  */ 
00014 class People: public RandomMovement, public CheckAlienCollision {
00015     public:
00016         /** Constructor */
00017         People();
00018         
00019         /** Destructor */
00020         ~People();
00021         
00022         /** Initalises Alien 
00023          * @param position_x_start @details Random x start pos of people
00024          * @param pad @detials Gamepad object
00025          */
00026         void init(Gamepad &pad, int position_x_start);
00027         
00028         /** Draws the people
00029          * @param lcd @details N5110 object
00030          * @param d_ @details joystick direction 
00031          * @param map_length @details length of the map
00032          * @param position_x_map_ @details x posisition that map starts 
00033          */
00034         void draw_people(N5110 &lcd, Direction d_, int map_length_, 
00035         int position_x_map_);
00036     
00037     // Accessors and mutators --------------------------------------------------
00038         
00039         /** Gets alien collision flag
00040          * @return alien_collision_flag
00041          */
00042         bool get_alien_collision_flag();
00043         
00044     private:
00045     // Function prototypes -----------------------------------------------------
00046         
00047         /** Stops the people from moving off the edge of the map and moves 
00048          * people if the map loops
00049          * @param map_length_@details : length of the map  
00050          * @param position_x_map_ @detials : the drawing start posisiton of the 
00051          * map 
00052          */
00053         void off_screen_x_y_checker(int map_length_, int position_x_map_);
00054         
00055         /** Move alien to top of screen if collision with alien */
00056         void collision_with_alien();
00057         
00058     // Variables ---------------------------------------------------------------
00059         
00060         /** People movement counter */
00061         int people_move_counter_; 
00062         
00063 };
00064  
00065 #endif