struct position_t {
  uint8_t x;
  uint8_t y;
};

struct warp_event_t {
  position_t position;
  map_t::map destination_map;
  uint8_t destination_warp_index;
};

struct object_event_t {
  enum type {
    generic,
    item,
    trainer,
    pokemon,
  };

  enum movement {
    stay,
    walk,
  };

  enum range {
    any_dir,
    up_down,
    left_right,
  };

  enum direction {
    down,
    up,
    left,
    right,
    none,
  };

  position_t position;
  uint8_t sprite_id; // fixme
  enum movement movement;
  union {
    enum range range;
    enum direction direction;
  };
  uint8_t text_id; // fixme
  union {
    struct {
      uint8_t id;
    } item;
    struct {
      uint8_t type; // trainer class
      uint8_t id; // trainer number
    } trainer;
    struct {
      uint8_t id; // pokemon id
      uint8_t level;
    } pokemon;
  };
};