namespace df {
  struct block_square_event;
  struct flow_info;
  struct plant;
  struct DFHACK_EXPORT map_block {
    df::block_flags flags;
    std::vector<df::block_square_event* > block_events;
    df::block_burrow_link block_burrows;
    int32_t local_feature;
    int32_t global_feature;
    int32_t unk2;
    int32_t unk3; /*!< undef */
    int32_t dsgn_check_cooldown;
    df::tile_designation default_liquid;
    std::vector<int32_t > items;
    std::vector<df::flow_info* > flows;
    int32_t unk7;
    int32_t unk8; /*!< undef */
    std::vector<df::plant* > plants;
    df::coord map_pos;
    df::coord2d region_pos;
    df::tiletype tiletype[16][16];
    df::tile_designation designation[16][16];
    df::tile_occupancy occupancy[16][16];
    int8_t unk9[16][16];
    /**
     * flood; 256*cost for straight, 362*cost for diagonal
     */
    int32_t path_cost[16][16];
    /**
     * flood; sync to path_distance; same value; inc per run; reset to 0 on wraparound
     */
    uint16_t path_tag[16][16];
    /**
     * 0 = non-walkable; same nonzero at A and B = walkable from A to B
     */
    uint16_t walkable[16][16];
    /**
     * 1 at walkable map edge; then +1 per 10 tiles it seems; 0 in dug tunnels
     */
    uint16_t map_edge_distance[16][16];
    uint16_t temperature_1[16][16];
    uint16_t temperature_2[16][16];
    uint16_t unk13[16][16];
    df::tile_liquid_flow liquid_flow[16][16];
    uint8_t region_offset[9];
    static struct_identity _identity;
    map_block();
  };
}