#ifndef WINGS
    #define WINGS

#define MAX_MISSILES 4

// direction management
typedef struct Direction
{
    char dx;
    char dy;
} Direction;

// missiles management
typedef struct Missile
{
    short x;
    short y;
    Direction dir;
//    short distance; // distance between the plane and the missile
    unsigned char type;
} Missile;

// plane management
typedef struct Plane
{
    short x;
    short y;

    Direction dir;
    // (dx, dy)
    /* plane direction management
    (1, 1)  (0, 1)  (-1, 1)
    (1, 0)  plane   (-1, 0)
    (1,-1)  (0,-1)  (-1,-1)
    */

    unsigned char life;
    unsigned char bullets;

    Missile missiles[MAX_MISSILES];
    // align
} Plane;

typedef struct Cloud
{
    short x;
    short y;
} Cloud;

int menu(void);
void init(void);
void *update_frame(Direction *direction);
int game(void);

#endif