Esempio n. 1
0
        public static bool TryFindBestPawnStandCell(Pawn forPawn, out IntVec3 cell, bool cellByCell = false)
        {
            cell = IntVec3.Invalid;
            int   num    = -1;
            float radius = 10f;

            while (true)
            {
                tmpDistances.Clear();
                tmpParents.Clear();
                Dijkstra <IntVec3> .Run(forPawn.Position, (IntVec3 x) => GetAdjacentCardinalCellsForBestStandCell(x, radius, forPawn), delegate(IntVec3 from, IntVec3 to)
                {
                    float num4 = 1f;
                    if (from.x != to.x && from.z != to.z)
                    {
                        num4 = 1.41421354f;
                    }
                    if (!to.Standable(forPawn.Map))
                    {
                        num4 += 3f;
                    }
                    if (PawnUtility.AnyPawnBlockingPathAt(to, forPawn))
                    {
                        num4 = ((to.GetThingList(forPawn.Map).Find((Thing x) => x is Pawn && x.HostileTo(forPawn)) == null) ? (num4 + 15f) : (num4 + 40f));
                    }
                    Building_Door building_Door = to.GetEdifice(forPawn.Map) as Building_Door;
                    if (building_Door != null && !building_Door.FreePassage)
                    {
                        num4 = ((!building_Door.PawnCanOpen(forPawn)) ? (num4 + 50f) : (num4 + 6f));
                    }
                    return(num4);
                }, tmpDistances, tmpParents);

                if (tmpDistances.Count == num)
                {
                    return(false);
                }
                float num2 = 0f;
                foreach (KeyValuePair <IntVec3, float> tmpDistance in tmpDistances)
                {
                    if ((!cell.IsValid || !(tmpDistance.Value >= num2)) && tmpDistance.Key.Walkable(forPawn.Map) && !PawnUtility.AnyPawnBlockingPathAt(tmpDistance.Key, forPawn))
                    {
                        Building_Door door = tmpDistance.Key.GetDoor(forPawn.Map);
                        if (door == null || door.FreePassage)
                        {
                            cell = tmpDistance.Key;
                            num2 = tmpDistance.Value;
                        }
                    }
                }
                if (cell.IsValid)
                {
                    if (!cellByCell)
                    {
                        return(true);
                    }
                    IntVec3 intVec = cell;
                    int     num3   = 0;
                    while (intVec.IsValid && intVec != forPawn.Position)
                    {
                        num3++;
                        if (num3 >= 10000)
                        {
                            Log.Error("Too many iterations.");
                            break;
                        }
                        if (intVec.Walkable(forPawn.Map))
                        {
                            Building_Door door2 = intVec.GetDoor(forPawn.Map);
                            if (door2 == null || door2.FreePassage)
                            {
                                cell = intVec;
                            }
                        }
                        intVec = tmpParents[intVec];
                    }
                    return(true);
                }
                if (radius > (float)forPawn.Map.Size.x && radius > (float)forPawn.Map.Size.z)
                {
                    break;
                }
                radius *= 2f;
                num     = tmpDistances.Count;
            }
            return(false);
        }
Esempio n. 2
0
        public static void Run(IEnumerable <T> startingNodes, Func <T, IEnumerable <T> > neighborsGetter, Func <T, T, float> distanceGetter, List <KeyValuePair <T, float> > outDistances, Dictionary <T, T> outParents = null)
        {
            outDistances.Clear();
            Dijkstra <T> .distances.Clear();

            Dijkstra <T> .queue.Clear();

            if (outParents != null)
            {
                outParents.Clear();
            }
            IList <T> list = startingNodes as IList <T>;

            if (list != null)
            {
                for (int i = 0; i < list.Count; i++)
                {
                    T key = list[i];
                    if (!Dijkstra <T> .distances.ContainsKey(key))
                    {
                        Dijkstra <T> .distances.Add(key, 0f);

                        Dijkstra <T> .queue.Push(new KeyValuePair <T, float>(key, 0f));
                    }
                }
            }
            else
            {
                foreach (T key2 in startingNodes)
                {
                    if (!Dijkstra <T> .distances.ContainsKey(key2))
                    {
                        Dijkstra <T> .distances.Add(key2, 0f);

                        Dijkstra <T> .queue.Push(new KeyValuePair <T, float>(key2, 0f));
                    }
                }
            }
            while (Dijkstra <T> .queue.Count != 0)
            {
                KeyValuePair <T, float> node = Dijkstra <T> .queue.Pop();

                float num = Dijkstra <T> .distances[node.Key];
                if (node.Value == num)
                {
                    IEnumerable <T> enumerable = neighborsGetter(node.Key);
                    if (enumerable != null)
                    {
                        IList <T> list2 = enumerable as IList <T>;
                        if (list2 != null)
                        {
                            for (int j = 0; j < list2.Count; j++)
                            {
                                Dijkstra <T> .HandleNeighbor(list2[j], num, node, distanceGetter, outParents);
                            }
                        }
                        else
                        {
                            foreach (T n in enumerable)
                            {
                                Dijkstra <T> .HandleNeighbor(n, num, node, distanceGetter, outParents);
                            }
                        }
                    }
                }
            }
            foreach (KeyValuePair <T, float> item in Dijkstra <T> .distances)
            {
                outDistances.Add(item);
            }
            Dijkstra <T> .distances.Clear();
        }