Ejemplo n.º 1
0
        public static List <string> SolveFactored(List <Domain> lDomains, List <Problem> lProblems, ref List <Agent> m_agents, Domain joinDomain)
        {
            if (Program.highLevelPlanerType != Program.HighLevelPlanerType.ProjectionMafs)
            {
                Program.projectionVersion = Program.ProjectionVersion.NULL;
            }
            Program.Start   = DateTime.Now;
            pdbCreationTime = 0;
            var lGroundedProblems = GroundProblems(lDomains, lProblems);

            Program.internalPlaner = Program.PlanerType.ff_toActions;
            BuildAgents_II buildAgents = new BuildAgents_II(lDomains, lGroundedProblems, lProblems);
            List <Agent>   agents      = buildAgents.ReturnAgents();

            GetPublicPredicates(agents);
            List <string> lPlan = null;

            if (Program.highLevelPlanerType == Program.HighLevelPlanerType.Projection)
            {
                Console.WriteLine("Planning");
                ShareGoals(agents);
                AdvancedLandmarkProjectionPlaner planner = new AdvancedLandmarkProjectionPlaner();
                lPlan = planner.Plan(agents, lDomains, lProblems, joinDomain);
            }
            else
            {
                try
                {
                    Program.StartHighLevelPlanning = DateTime.Now;
                    if (Program.highLevelPlanerType == Program.HighLevelPlanerType.Landmark)
                    {
                        Console.WriteLine("Identifying landmarks");
                        bool stop = false;
                        while (!stop)
                        {
                            stop = true;
                            string            name        = "";
                            GroundedPredicate currentGoal = null;
                            foreach (Agent agent in agents)
                            {
                                currentGoal = agent.GetGoal();
                                if (currentGoal != null)
                                {
                                    stop = false;
                                    name = agent.name;
                                    break;
                                }
                            }
                            if (!stop)
                            {
                                foreach (Agent agent in agents)
                                {
                                    if (!agent.name.Equals(name))
                                    {
                                        agent.ReceiveGoal(currentGoal);
                                    }
                                }
                            }
                        }
                        foreach (Agent agent in agents)
                        {
                            agent.InitMutex();
                        }

                        agents = Distributed_Landmarks_Detection.Landmarks_Detection(agents, false);
                        Planer_I Planner = new Planer_I(agents);
                        Console.WriteLine("Planning");
                        lPlan = Planner.Plan();
                    }
                    else
                    {
                        if (Program.highLevelPlanerType == Program.HighLevelPlanerType.PDB)
                        {
                            DateTime startPdbCreation = DateTime.Now;
                            PdbPlaner.pdb   = new PatternDatabase(lDomains, lProblems, agents, pdbPath);
                            pdbCreationTime = DateTime.Now.Subtract(startPdbCreation).TotalSeconds;
                            foreach (Agent agent in agents)
                            {
                                agent.InitMutex();
                            }
                            Distributed_Landmarks_Detection.Reset(agents);
                            List <Landmark> PublicAndArtificialGoals = FindPublicAndArtificialGoals(agents);

                            PdbPlaner Planner = new PdbPlaner(agents, PublicAndArtificialGoals, PdbPlaner.pdb);
                            Console.WriteLine("Planning");

                            lPlan = Planner.Plan();
                        }
                        else
                        {
                            if (Program.highLevelPlanerType == Program.HighLevelPlanerType.ForwardHsp)
                            {
                                bool stop = false;
                                while (!stop)
                                {
                                    stop = true;
                                    string            name        = "";
                                    GroundedPredicate currentGoal = null;
                                    foreach (Agent agent in agents)
                                    {
                                        currentGoal = agent.GetGoal();
                                        if (currentGoal != null)
                                        {
                                            stop = false;
                                            name = agent.name;
                                            break;
                                        }
                                    }
                                    if (!stop)
                                    {
                                        foreach (Agent agent in agents)
                                        {
                                            if (!agent.name.Equals(name))
                                            {
                                                agent.ReceiveGoal(currentGoal);
                                            }
                                        }
                                    }
                                }
                                foreach (Agent agent in agents)
                                {
                                    agent.InitMutex();
                                }
                                Distributed_Landmarks_Detection.Reset(agents);
                                PlanerHsp Planner = new PlanerHsp(agents);
                                Console.WriteLine("Planning");
                                lPlan = Planner.Plan();
                            }
                            else
                            {
                                if (Program.highLevelPlanerType == Program.HighLevelPlanerType.BackwardHsp)
                                {
                                    bool stop = false;
                                    List <GroundedPredicate> publishPublic     = new List <GroundedPredicate>();
                                    List <GroundedPredicate> nextPublishPublic = new List <GroundedPredicate>();
                                    foreach (Agent a in agents)
                                    {
                                        publishPublic.AddRange(a.InitBackwardHspGraph());
                                    }
                                    bool outFlag = false;
                                    while (!stop)
                                    {
                                        stop    = true;
                                        outFlag = false;
                                        foreach (Agent agent in agents)
                                        {
                                            nextPublishPublic.AddRange(agent.UpdateBackwardHspGraph(publishPublic, out outFlag));
                                            if (outFlag)
                                            {
                                                stop = false;
                                            }
                                        }
                                        publishPublic = nextPublishPublic;
                                    }

                                    foreach (Agent agent in agents)
                                    {
                                        agent.InitMutex();
                                    }
                                    Distributed_Landmarks_Detection.Reset(agents);
                                    // agents = Distributed_Landmarks_Detection.Landmarks_Detection(agents);
                                    PlanerHspII Planner = new PlanerHspII(agents);
                                    Console.WriteLine("Planning");
                                    lPlan = Planner.Plan();
                                }
                                else
                                {
                                    if (Program.highLevelPlanerType == Program.HighLevelPlanerType.LandmarkAndHsp)
                                    {
                                        bool stop = false;
                                        while (!stop)
                                        {
                                            stop = true;
                                            string            name        = "";
                                            GroundedPredicate currentGoal = null;
                                            foreach (Agent agent in agents)
                                            {
                                                currentGoal = agent.GetGoal();
                                                if (currentGoal != null)
                                                {
                                                    stop = false;
                                                    name = agent.name;
                                                    break;
                                                }
                                            }
                                            if (!stop)
                                            {
                                                foreach (Agent agent in agents)
                                                {
                                                    if (!agent.name.Equals(name))
                                                    {
                                                        agent.ReceiveGoal(currentGoal);
                                                    }
                                                }
                                            }
                                        }
                                        foreach (Agent agent in agents)
                                        {
                                            agent.InitMutex();
                                        }

                                        agents = Distributed_Landmarks_Detection.Landmarks_Detection(agents, false);

                                        PlanerHspAndLandmarks Planner = new PlanerHspAndLandmarks(agents);

                                        Console.WriteLine("Planning..");

                                        lPlan = Planner.Plan();
                                    }
                                    else
                                    {
                                        if (Program.highLevelPlanerType == Program.HighLevelPlanerType.WeightedLandmarkAndHsp)
                                        {
                                            bool stop = false;
                                            while (!stop)
                                            {
                                                stop = true;
                                                string            name        = "";
                                                GroundedPredicate currentGoal = null;
                                                foreach (Agent agent in agents)
                                                {
                                                    currentGoal = agent.GetGoal();
                                                    if (currentGoal != null)
                                                    {
                                                        stop = false;
                                                        name = agent.name;
                                                        break;
                                                    }
                                                }
                                                if (!stop)
                                                {
                                                    foreach (Agent agent in agents)
                                                    {
                                                        if (!agent.name.Equals(name))
                                                        {
                                                            agent.ReceiveGoal(currentGoal);
                                                        }
                                                    }
                                                }
                                            }
                                            foreach (Agent agent in agents)
                                            {
                                                agent.InitMutex();
                                            }
                                            agents = Distributed_Landmarks_Detection.Landmarks_Detection(agents, false);
                                            PlanerWeightedLandmarkAndHsp Planner = new PlanerWeightedLandmarkAndHsp(agents);
                                            Console.WriteLine("Planning");
                                            lPlan = Planner.Plan();
                                        }
                                        else
                                        {
                                            if (Program.highLevelPlanerType == Program.HighLevelPlanerType.SophisticatedProjection)
                                            {
                                                bool stop = false;
                                                while (!stop)
                                                {
                                                    stop = true;
                                                    string            name        = "";
                                                    GroundedPredicate currentGoal = null;
                                                    foreach (Agent agent in agents)
                                                    {
                                                        currentGoal = agent.GetGoal();
                                                        if (currentGoal != null)
                                                        {
                                                            stop = false;
                                                            name = agent.name;
                                                            break;
                                                        }
                                                    }
                                                    if (!stop)
                                                    {
                                                        foreach (Agent agent in agents)
                                                        {
                                                            if (!agent.name.Equals(name))
                                                            {
                                                                agent.ReceiveGoal(currentGoal);
                                                            }
                                                        }
                                                    }
                                                }
                                                foreach (Agent agent in agents)
                                                {
                                                    agent.InitMutex();
                                                }
                                                //  agents = AdvancedLandmarkProjectionAgents.CreateProjAgents(agents, lDomains, lProblems);

                                                agents = Distributed_Landmarks_Detection.Landmarks_Detection(agents, false);
                                                PlanerHspAndLandmarks Planner = new PlanerHspAndLandmarks(agents);
                                                Console.WriteLine("Planning");
                                                lPlan = Planner.Plan();
                                            }
                                            else
                                            {
                                                if (Program.highLevelPlanerType == Program.HighLevelPlanerType.PDBMafs)
                                                {
                                                    MapsVertex.pdb = new PatternDatabase(lDomains, lProblems, agents, pdbPath);
                                                    bool stop = false;
                                                    while (!stop)
                                                    {
                                                        stop = true;
                                                        string            name        = "";
                                                        GroundedPredicate currentGoal = null;
                                                        foreach (Agent agent in agents)
                                                        {
                                                            currentGoal = agent.GetGoal();
                                                            if (currentGoal != null)
                                                            {
                                                                stop = false;
                                                                name = agent.name;
                                                                break;
                                                            }
                                                        }
                                                        if (!stop)
                                                        {
                                                            foreach (Agent agent in agents)
                                                            {
                                                                if (!agent.name.Equals(name))
                                                                {
                                                                    agent.ReceiveGoal(currentGoal);
                                                                }
                                                            }
                                                        }
                                                    }
                                                    foreach (Agent agent in agents)
                                                    {
                                                        agent.InitMutex();
                                                    }


                                                    Console.WriteLine("Planning");

                                                    MapsPlanner Planner = new MapsPlanner(agents, lDomains, lProblems);

                                                    Program.StartGrounding = DateTime.Now;
                                                    lPlan = Planner.Plan();
                                                }
                                                else
                                                if (Program.highLevelPlanerType == Program.HighLevelPlanerType.MafsLandmark)
                                                {
                                                    bool stop = false;
                                                    while (!stop)
                                                    {
                                                        stop = true;
                                                        string            name        = "";
                                                        GroundedPredicate currentGoal = null;
                                                        foreach (Agent agent in agents)
                                                        {
                                                            currentGoal = agent.GetGoal();
                                                            if (currentGoal != null)
                                                            {
                                                                stop = false;
                                                                name = agent.name;
                                                                break;
                                                            }
                                                        }
                                                        if (!stop)
                                                        {
                                                            foreach (Agent agent in agents)
                                                            {
                                                                if (!agent.name.Equals(name))
                                                                {
                                                                    agent.ReceiveGoal(currentGoal);
                                                                }
                                                            }
                                                        }
                                                    }
                                                    foreach (Agent agent in agents)
                                                    {
                                                        agent.InitMutex();
                                                    }

                                                    agents = Distributed_Landmarks_Detection.Landmarks_Detection(agents, true);

                                                    Console.WriteLine("Planning");

                                                    MapsPlanner Planner = new MapsPlanner(agents, lDomains, lProblems);

                                                    Program.StartGrounding = DateTime.Now;
                                                    lPlan = Planner.Plan();
                                                }
                                                else
                                                if (Program.highLevelPlanerType == Program.HighLevelPlanerType.Mafsff)
                                                {
                                                    bool stop = false;
                                                    while (!stop)
                                                    {
                                                        stop = true;
                                                        string            name        = "";
                                                        GroundedPredicate currentGoal = null;
                                                        foreach (Agent agent in agents)
                                                        {
                                                            currentGoal = agent.GetGoal();
                                                            if (currentGoal != null)
                                                            {
                                                                stop = false;
                                                                name = agent.name;
                                                                break;
                                                            }
                                                        }
                                                        if (!stop)
                                                        {
                                                            foreach (Agent agent in agents)
                                                            {
                                                                if (!agent.name.Equals(name))
                                                                {
                                                                    agent.ReceiveGoal(currentGoal);
                                                                }
                                                            }
                                                        }
                                                    }
                                                    foreach (Agent agent in agents)
                                                    {
                                                        agent.InitMutex();
                                                    }

                                                    agents = Distributed_Landmarks_Detection.Landmarks_Detection(agents, true);

                                                    Console.WriteLine("Planning");

                                                    MapsPlanner Planner = new MapsPlanner(agents, lDomains, lProblems);

                                                    Program.StartGrounding = DateTime.Now;
                                                    lPlan = Planner.PreferableFFPlan();
                                                }
                                                else
                                                {
                                                    if (Program.highLevelPlanerType == Program.HighLevelPlanerType.ProjectionMafs)
                                                    {
                                                        bool stop = false;
                                                        while (!stop)
                                                        {
                                                            stop = true;
                                                            string            name        = "";
                                                            GroundedPredicate currentGoal = null;
                                                            foreach (Agent agent in agents)
                                                            {
                                                                currentGoal = agent.GetGoal();
                                                                if (currentGoal != null)
                                                                {
                                                                    stop = false;
                                                                    name = agent.name;
                                                                    break;
                                                                }
                                                            }
                                                            if (!stop)
                                                            {
                                                                foreach (Agent agent in agents)
                                                                {
                                                                    if (!agent.name.Equals(name))
                                                                    {
                                                                        agent.ReceiveGoal(currentGoal);
                                                                    }
                                                                }
                                                            }
                                                        }
                                                        foreach (Agent agent in agents)
                                                        {
                                                            agent.InitMutex();
                                                        }

                                                        agents = Distributed_Landmarks_Detection.Landmarks_Detection(agents, true);

                                                        Console.WriteLine("Planning");

                                                        MapsPlanner Planner = new MapsPlanner(agents, lDomains, lProblems);

                                                        Program.StartGrounding = DateTime.Now;

                                                        lPlan = Planner.PreferablePlan();
                                                    }
                                                    else
                                                    if (Program.highLevelPlanerType == Program.HighLevelPlanerType.DistrebutedProjectionMafs)
                                                    {
                                                        bool stop = false;
                                                        while (!stop)
                                                        {
                                                            stop = true;
                                                            string            name        = "";
                                                            GroundedPredicate currentGoal = null;
                                                            foreach (Agent agent in agents)
                                                            {
                                                                currentGoal = agent.GetGoal();
                                                                if (currentGoal != null)
                                                                {
                                                                    stop = false;
                                                                    name = agent.name;
                                                                    break;
                                                                }
                                                            }
                                                            if (!stop)
                                                            {
                                                                foreach (Agent agent in agents)
                                                                {
                                                                    if (!agent.name.Equals(name))
                                                                    {
                                                                        agent.ReceiveGoal(currentGoal);
                                                                    }
                                                                }
                                                            }
                                                        }
                                                        foreach (Agent agent in agents)
                                                        {
                                                            agent.InitMutex();
                                                        }

                                                        agents = Distributed_Landmarks_Detection.Landmarks_Detection(agents, true);

                                                        Console.WriteLine("Planning");

                                                        MapsPlanner Planner = new MapsPlanner(agents, lDomains, lProblems);

                                                        Program.StartGrounding = DateTime.Now;
                                                        lPlan = Planner.DistrebutedPreferablePlan();
                                                    }
                                                    else
                                                    {
                                                        Console.WriteLine("highLevelPlanerType did not selected");
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
                catch (Exception ex)
                {
                    RunUtils.KillPlanners();
                    return(null);
                }
            }
            Program.End = DateTime.Now;
            RunUtils.KillPlanners();
            m_agents = agents;
            return(lPlan);
        }
        public List <string> Plan()
        {
            bool bAllAgentsEqual = CheckAgentEquality();

            int i = 200;// countOfLandmarks;

            int[] statesNum = new int[agents.Count];
            for (int k = 0; k < statesNum.Length; k++)
            {
                statesNum[k] = 0;
            }


            Vertex rootVertex = new Vertex(statesNum, new List <Action>(), 0, countOfLandmarks, 0, null);

            //DateTime begin = DateTime.Now;

            int      count        = 0;
            Vertex   curentVertex = null;
            DateTime dtStart      = DateTime.Now;

            DateTime         begin     = DateTime.Now;
            List <Vertex>    queue     = new List <Vertex>();
            HashSet <int[]>  lVisited  = new HashSet <int[]>(new ComparerArray());
            HashSet <Vertex> lVisited2 = new HashSet <Vertex>();

            //PriorityQueue<Vertex, double> queue2 = new PriorityQueue<Vertex, double>(Vertex.ComparerDouble);
            //PriorityQueue<Vertex, double> queue2 = new PriorityQueue<Vertex, double>();
            //Heap heap = new Heap(1000000);
            //queue2.Insert(rootVertex, rootVertex.h);
            //heap.Insert(rootVertex);
            queue.Add(rootVertex);
            lVisited.Add(rootVertex.statesNubmber);
            lVisited2.Add(rootVertex);
            // double priority = -1 * (rootVertex.h + (double)(rootVertex.g) / 100000 );

            //queue2.Enqueue(rootVertex, priority);
            int           temp               = 0;
            List <string> lplan              = null;// new List<string>();
            bool          flag               = true;
            int           c                  = 0;
            int           cResets            = 0;
            double        minh               = 1000;
            int           blindCounter       = 0;
            TimeSpan      tsDeadendDetection = new TimeSpan();

            while (queue.Count > 0)
            {
                c++;
                if (c % 30 == 0)
                {
                    //Console.Write("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\bExpanded: " + c + ", open: " + queue.Count + ", h: " + curentVertex.h + ", T: " + (int)(DateTime.Now - dtStart).TotalSeconds);
                    Console.Write("\rExpanded: " + c + ", open: " + queue.Count +
                                  ", h: " + curentVertex.h + ", h2: " + curentVertex.h2 + ", T: " + (int)(DateTime.Now - dtStart).TotalSeconds
                                  + ", deadend = " + (int)tsDeadendDetection.TotalSeconds);
                    if (queue.Count > 200000)
                    {
                        return(null);

                        Console.WriteLine();
                        Console.WriteLine("Queue too large, breaking.");
                    }
                }
                flag = true;
                //curentVertex = queue[0];
                // List<PriorityQueueItem<Vertex,double>> v = queue2.ToList();
                //curentVertex = queue2.Dequeue().Value;
                temp++;
                curentVertex = FindMin(queue);// queue[0];// heap.Remove();
                // queue.Remove(curentVertex);
                DateTime dtBefore = DateTime.Now;
                bool     bDeadend = curentVertex.IsDeadEnd();
                tsDeadendDetection += (DateTime.Now - dtBefore);
                if (bDeadend)
                {
                    continue;
                }
                // queue.RemoveAt(0);
                count++;
                if (false && curentVertex.BlindSearchDepth > 2)
                {
                    cResets++;
                    Vertex vLastImprovement = curentVertex;
                    while (vLastImprovement.Parent != null && vLastImprovement.Parent.h == curentVertex.h)
                    {
                        vLastImprovement = vLastImprovement.Parent;
                    }
                    int[] newStatesIndexs = new int[agents.Count];
                    int   k = 0;
                    // List<State> lCurrentStartStates = new List<State>();
                    foreach (Agent agent in agents)
                    {
                        //   lCurrentStartStates.Add(agent.startState);
                        agent.ChangeInitialState(vLastImprovement.statesNubmber[k]);
                        k++;
                    }
                    Distributed_Landmarks_Detection.Landmarks_Detection(agents, false);
                    //  for (int j = 0; j < agents.Count; j++)
                    //     agents[j].startState = lCurrentStartStates[j];
                    k = 0;
                    foreach (Agent agent in agents)
                    {
                        newStatesIndexs[k] = agent.ResetStateInfo(vLastImprovement.statesNubmber[k]);
                        k++;
                    }

                    curentVertex         = new Vertex(newStatesIndexs, new List <Action>(), 0, countOfLandmarks, 0, null);
                    curentVertex.History = vLastImprovement.History;
                    curentVertex.lplan   = vLastImprovement.lplan;
                    minh     = curentVertex.vectors.ElementAt(0)[0].Length;
                    queue    = new List <Vertex>();
                    lVisited = new HashSet <int[]>();
                    lVisited.Add(curentVertex.statesNubmber);
                    lVisited2.Add(curentVertex);
                    blindCounter = 0;
                }
                blindCounter++;
                //                    if (curentVertex.Parent != null && curentVertex.Parent.Parent != null && curentVertex.h == curentVertex.Parent.h && curentVertex.h == curentVertex.Parent.Parent.h)
                //                        Console.WriteLine("stuck!");

                string isGoal = curentVertex.IsGoal(out lplan);
                if (isGoal.Equals("true"))
                {
                    double time = ((double)((DateTime.Now.Subtract(begin)).Minutes)) * 60.0;
                    time += ((double)((DateTime.Now.Subtract(begin)).Seconds));
                    time += ((double)((DateTime.Now.Subtract(begin)).Milliseconds) / 1000);
                    //Console.WriteLine(time);
                    //Console.WriteLine(lplan.Count);
                    // Console.WriteLine(((double)((DateTime.Now.Subtract(begin)).Milliseconds) / 1000));
                    Program.times.Add(time);
                    Program.countActions.Add(lplan.Count);
                    Program.timeSum   += time;
                    Program.actionSum += lplan.Count;

                    /* foreach (Action act in curentVertex.lplan)
                     * {
                     *   sw.WriteLine(act.Name);
                     *   lplan.Add(act.Name);
                     * }
                     * sw.Close();*/

                    return(lplan);
                }
                if (!isGoal.Equals("false"))
                {
                    //return null;
                }

                // Program.messages += agents.Count;
                int                       f              = 0;
                List <Vertex>             needUpDate     = new List <Vertex>();
                HashSet <CompoundFormula> levelPotential = new HashSet <CompoundFormula>();
                int                       index          = 1;
                bool                      con            = false;
                List <Vertex>             lExpanded      = Expand(curentVertex, levelPotential, needUpDate);
                foreach (Vertex newVertex in lExpanded)
                {
                    if (newVertex.actionNumber > 0)
                    {
                        f++;
                        queue.Add(newVertex);
                    }
                    f++;
                    newVertex.g += (double)index / 1000000;
                    bool bVisited = false;
                    if (bAllAgentsEqual)
                    {
                        bVisited = lVisited2.Contains(newVertex);
                    }
                    else
                    {
                        bVisited = lVisited.Contains(newVertex.statesNubmber);
                    }

                    if (!bVisited)
                    {
                        queue.Add(newVertex);
                        lVisited.Add(newVertex.statesNubmber);
                        lVisited2.Add(newVertex);
                    }
                    index++;
                    if (minh > newVertex.h)
                    {
                        minh = newVertex.h;
                        Console.WriteLine(minh);
                    }

                    /* if (Vertex.Comparer(newVertex, curentVertex) == -1 && !con)
                     * {
                     *   blindCounter = 0;
                     * }*/
                }

                /*foreach (Vertex v in needUpDate)
                 * {
                 *  v.publicPredicateImplications.Add(levelPotential);
                 * }*/
                // curentVertex.publicPredicateImplications.Add(levelPotential);
                curentVertex.canGetInParallel = levelPotential;
                //if (curentVertex.h + curentVertex.h2 == 0)
                if (curentVertex.h <= 0)// + curentVertex.h2 == 0)
                {
                    curentVertex.publicPredicateImplications = new List <HashSet <CompoundFormula> >();
                    Vertex tmp = curentVertex;
                    while (tmp != null)
                    {
                        curentVertex.publicPredicateImplications.Insert(0, tmp.canGetInParallel);
                        tmp = tmp.Parent;
                    }
                }
            }


            return(null);
        }