enviroment.h

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#ifndef __ENVIROMENT_H
#define __ENVIROMENT_H

/* -- Includes -- */

/* -- Types -- */

typedef union s_ENVIROMENT_ROOM_POINT_UNION
{
    struct
    {
        int x; // X
        int y; // Y
    };

    int point[2]; // Array with x and y coordinates (alternative way to acces x and y)

} enviroment_room_point_t;

typedef struct s_ENVIROMENT_TAG_STRUCT
{
    int x; // X 
    int y; // Y
    char id[11]; // ID of tag 10 chars + '\0'
    unsigned char enable;

} enviroment_tag_t;

typedef struct s_ENVIROMENT_STRUCT
{
    enviroment_room_point_t *room; // Array of room point structures
    enviroment_tag_t *tags; // Array of RFID tag structures
    
    int room_num; // Number of room points
    int tags_num; // Number of tags

    int room_max_width; // Max room width
    int room_max_height; // Max room height

} enviroment_t;

/* -- Constants -- */
#define s_ENVIROMENT_TAG_ZEROS      -1
#define s_ENVIROMENT_TAG_UNKNOWN    -2
#define s_ENVIROMENT_TAG_DISABLED   -3

/* -- Function Prototypes -- */
enviroment_t *enviroment_load(char *room_def_path, char *tags_def_path); // Load enviroment definitions
void enviroment_destroy(enviroment_t *env); // Free dynamicly allocated memory
int enviroment_room_load(enviroment_room_point_t **room, const char *filename); // Load room definition
int enviroment_tags_load(enviroment_tag_t **tags, const char *filename); // Load tags
void enviroment_calc_room_dimensions(enviroment_t *env); // Calculate room dimensions
int enviroment_tag_check(enviroment_t *env, char tag_id[11]);  // Check weather RFID tag exists in enviroment

 #endif /* __ENVIROMENT_H */