snake.h

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#ifndef INC_SNAKE_H_
#define INC_SNAKE_H_
 
#include <stdint.h>
#include <stdbool.h>
#include "2dspace.h"
 
// SET GAME DIMENSIONS //

#define GAME_DIM 8

#define MAX_SNAKE_SIZE (GAME_DIM*GAME_DIM)

typedef enum
{
    INIT,
    GAME_OVER,
    RUNNING,
}state_t;

typedef struct
{
    uint8_t length;
    vec2_t head;
    vec2_t tail[MAX_SNAKE_SIZE];
    vec2_t fruit;
    direction_t move_dir;
    direction_t prev_move_dir;
    bool collision_map[GAME_DIM][GAME_DIM];
    bool GROWTH;
    state_t state;
}snake_state;

void snake_update(void);

void snake_direction_request(direction_t requested_direction);

void snake_init_request(int fruit_seed);

void snake_move_request(void);

bool snake_is_over(void);

const snake_state *snake_get_state(void);
 
#endif /* INC_SNAKE_H_ */