vector<Cell> GetClosestPath(const model::World& world,
Cell const & start, Direction const start_dir, Cell const & finish, Game const & game)
{
static map<cashe_key, vector<Cell> > cacshe;
static int bonus_hash = 0;
int bonus_hash_cur = 0;
auto const & map = world.getTilesXY();
vector<vector<int>> bonuses(map.size(), vector<int>(map[0].size(), 0));
for (Bonus const & bonus: world.getBonuses())
{
bonus_hash_cur += bonus.getX() * bonus.getX() + bonus.getY() * bonus.getY();
auto bonus_cell= GetCell(bonus, game);
bonuses[bonus_cell.m_x][bonus_cell.m_y] = (bonus.getType() == PURE_SCORE || bonus.getType() == REPAIR_KIT) ? 1 : 0;
}
if (bonus_hash != bonus_hash_cur)
{
bonus_hash = bonus_hash_cur;
cacshe.clear();
}
cashe_key ck = {start, start_dir, finish};
if (cacshe.count(ck) == 1)
return cacshe[ck];
MapT data;
DSF(world.getTilesXY(), {start, start_dir}, {start, start_dir}, finish, data, bonuses);
// PrintMap(world.getTilesXY(), data);
vector<Cell> res;
int const INF = 1000000;
int best = INF;
MapKeyT cur = {finish, LEFT};
for (auto dir: AllDirections())
{
if (data.count({finish,dir}) == 0)
continue;
if (data[{finish,dir}].first < best)
{
best = data[{finish,dir}].first;
cur = {finish,dir};
}
}
if (best == INF)
return res;
while (cur.first != start)
{
res.push_back(cur.first);
cur = data[cur].second;
}
res.push_back(start);
reverse(res.begin(), res.end());
cacshe[ck] = res;
return res;
}
