File content as of revision 2:eba4ed0263a4:

#ifndef CITY_LANDSCAPE_PUBLIC_H
#define CITY_LANDSCAPE_PUBLIC_H

/// The enum define the status of a city
typedef enum {
    EXIST=1,      ///< The city will be shown on screen
    DESTROYED=0   ///< The city won't be shown on screen
} CITY_STATUS;

/// The structure to store the information of a city
typedef struct {
    int x;        ///< Bottom-left corner of the city. x coordinate on the screen.
    int y;        ///< Bottom-left corner of the city. y coordinate on the screen.
    int width;    ///< The width of the city. The shape of the city is an rectangle.
    int height;   ///< The height of the city
    CITY_STATUS status;  ///< See enum CITY_STATUS
} CITY;

#define MAX_NUM_CITY 6

/** Call city_landscape_init() once at the begining of your code
    @brief It initialize the city data structure and draw the cities.
    @param num_city number of city to be draw. It must be less/equal to MAX_NUM_CITY.
*/
void city_landscape_init(int num_city);

/** Get the information of city
    @param index The index in city_record. It must be smaller than MAX_NUM_CITY.
    @return The structure of city information
*/
CITY city_get_info(int index);

/** Remove the city from its record and the screen
    @param index The index in city_record. It must be smaller than MAX_NUM_CITY.
*/
void city_destroy(int index);

/** Draw all exist cities on the screen
    @brief You might not need to use this function, but you could still use it if you want.
*/
void draw_cities(void);

/** Draw the landscape
    @brief You might not need to use this function, but you could still use it if you want.
*/
void draw_landscape(void);


#endif //CITY_LANDSCAPE_H