示例#1
0
        public void Split()
        {
            if (NodeCount != 4)
            {
                Debugger.Break();
            }

            float                Value          = 0;
            float                BestValue      = 0;
            PathfinderNode       BestNodeA      = null;
            PathfinderNode       BestNodeB      = null;
            PathfinderNode       BestNodeC      = null;
            PathfinderNode       BestNodeD      = null;
            var                  A              = 0;
            var                  B              = 0;
            var                  tmpNodeA       = default(PathfinderNode);
            var                  tmpNodeB       = default(PathfinderNode);
            var                  tmpNodeC       = default(PathfinderNode);
            var                  tmpNodeD       = default(PathfinderNode);
            PathfinderConnection tmpConnectionA = null;
            PathfinderConnection tmpConnectionB = null;
            var                  C              = 0;
            var                  D              = 0;

            var Children = new PathfinderNode[NodeCount];

            for (A = 0; A <= NodeCount - 1; A++)
            {
                Children[A] = Nodes[A];
            }
            var ChildCount = NodeCount;
            var ThisLayer  = Layer;

            Disband();

            BestValue = float.MaxValue;
            for (A = 0; A <= ChildCount - 1; A++)
            {
                tmpNodeA = Children[A];
                for (B = A + 1; B <= ChildCount - 1; B++)
                {
                    tmpNodeB = Children[B];
                    for (C = 0; C <= ChildCount - 1; C++)
                    {
                        if (Children[C] != tmpNodeA && Children[C] != tmpNodeB)
                        {
                            break;
                        }
                    }
                    tmpNodeC = Children[C];
                    for (D = C + 1; D <= ChildCount - 1; D++)
                    {
                        if (Children[D] != tmpNodeA && Children[D] != tmpNodeB)
                        {
                            break;
                        }
                    }
                    tmpNodeD = Children[D];
                    for (C = 0; C <= tmpNodeA.ConnectionCount - 1; C++)
                    {
                        tmpConnectionA = tmpNodeA.Connections[C];
                        if (tmpConnectionA.GetOtherNode(tmpNodeA) == tmpNodeB)
                        {
                            break;
                        }
                    }
                    for (D = 0; D <= tmpNodeC.ConnectionCount - 1; D++)
                    {
                        tmpConnectionB = tmpNodeC.Connections[D];
                        if (tmpConnectionB.GetOtherNode(tmpNodeC) == tmpNodeD)
                        {
                            break;
                        }
                    }
                    if (C < tmpNodeA.ConnectionCount & D < tmpNodeC.ConnectionCount)
                    {
                        Value = tmpConnectionA.Value + tmpConnectionB.Value;
                        if (Value < BestValue)
                        {
                            BestValue = Value;
                            BestNodeA = tmpNodeA;
                            BestNodeB = tmpNodeB;
                            BestNodeC = tmpNodeC;
                            BestNodeD = tmpNodeD;
                        }
                    }
                }
            }

            if (BestNodeA != null)
            {
                if (ParentNode != null)
                {
                    tmpNodeA = ParentNode;
                    tmpNodeA.Node_Remove(ParentNode_NodeNum);
                }
                else
                {
                    tmpNodeA = null;
                }
                if (tmpNodeA != null)
                {
                    tmpNodeA.CheckIntegrity();
                }

                var NewNodeA = new PathfinderNode(ThisLayer);
                var NewNodeB = new PathfinderNode(ThisLayer);

                NewNodeA.Node_Add(BestNodeA);
                NewNodeA.Node_Add(BestNodeB);

                NewNodeA.SpanCalc();
                BestNodeA.RaiseConnections();
                BestNodeB.RaiseConnections();

                NewNodeA.Layer.Network.FindParentNode_Add(NewNodeA);

                NewNodeB.Node_Add(BestNodeC);
                NewNodeB.Node_Add(BestNodeD);

                NewNodeB.SpanCalc();
                BestNodeC.RaiseConnections();
                BestNodeD.RaiseConnections();

                NewNodeB.Layer.Network.FindParentNode_Add(NewNodeB);
            }
            else
            {
                Debugger.Break();
            }
        }
示例#2
0
        public void FindParent()
        {
            var            tmpNodeA      = default(PathfinderNode);
            float          BestScore     = 0;
            PathfinderNode BestNode      = null;
            float          Score         = 0;
            var            A             = 0;
            var            MakeNew       = default(bool);
            var            B             = 0;
            var            Count         = 0;
            var            C             = 0;
            var            Allow         = default(bool);
            var            tmpConnection = default(PathfinderConnection);
            var            DestNode      = default(PathfinderNode);

            if (NodeCount == 0 & Layer.Network_LayerNum > 0)
            {
                Debugger.Break();
                return;
            }

            if (ParentNode != null)
            {
                Debugger.Break();
                return;
            }

            BestScore = float.MaxValue;
            for (A = 0; A <= ConnectionCount - 1; A++)
            {
                tmpConnection = Connections[A];
                DestNode      = tmpConnection.GetOtherNode(this);
                tmpNodeA      = DestNode.ParentNode;
                if (tmpNodeA == null)
                {
                    tmpNodeA = tmpConnection.GetOtherNode(this);
                    Score    = tmpConnection.Value * (0.98F + App.Random.Next() * 0.04F);
                    if (Score < BestScore)
                    {
                        BestScore = Score;
                        BestNode  = tmpNodeA;
                        MakeNew   = true;
                    }
                }
                else
                {
                    //dont allow this to join to another when the other has 3 nodes and they only have one connection
                    if (tmpNodeA.NodeCount == 3)
                    {
                        Count = 0;
                        Allow = false;
                        for (B = 0; B <= tmpNodeA.NodeCount - 1; B++)
                        {
                            for (C = 0; C <= tmpNodeA.Nodes[B].ConnectionCount - 1; C++)
                            {
                                if (tmpNodeA.Nodes[B].Connections[C].GetOtherNode(tmpNodeA.Nodes[B]) == this)
                                {
                                    Count++;
                                    if (Count >= 2)
                                    {
                                        Allow = true;
                                        goto CountFinished;
                                    }
                                    break;
                                }
                            }
                        }
CountFinished:
                        1.GetHashCode(); //TODO: cleanup this loop
                    }
                    else
                    {
                        Allow = true;
                    }
                    if (Allow)
                    {
                        Score = (DestNode.SiblingSpan + tmpConnection.Value) * (0.98F + App.Random.Next() * 0.04F);
                        if (Score < BestScore)
                        {
                            BestScore = Score;
                            BestNode  = tmpNodeA;
                            MakeNew   = false;
                        }
                    }
                }
            }
            if (BestNode != null)
            {
                if (MakeNew)
                {
                    var tmpLayer = default(PathfinderLayer);
                    if (Layer.ParentLayer == null)
                    {
                        tmpLayer = new PathfinderLayer(Layer.Network);
                    }
                    else
                    {
                        tmpLayer = Layer.ParentLayer;
                    }
                    var NewNode = new PathfinderNode(tmpLayer);
                    NewNode.Node_Add(this);
                    NewNode.Node_Add(BestNode);
                    NewNode.SpanCalc();
                    RaiseConnections();
                    BestNode.RaiseConnections();
                    NewNode.Layer.Network.FindParentNode_Add(NewNode);
                }
                else
                {
                    if (BestNode != null)
                    {
                        BestNode.Node_Add(this);
                        if (BestNode.NodeCount >= 4)
                        {
                            BestNode.Split();
                        }
                        else
                        {
                            BestNode.SpanCalc();
                            RaiseConnections();
                            if (BestNode.ParentNode == null)
                            {
                                BestNode.Layer.Network.FindParentNode_Add(BestNode);
                            }
                        }
                    }
                }
            }
            else if (ConnectionCount > 0)
            {
                //it is part of a network but there is no suitable parent to join, so make a new isolated parent
                var tmpLayer = default(PathfinderLayer);
                if (Layer.ParentLayer == null)
                {
                    tmpLayer = new PathfinderLayer(Layer.Network);
                }
                else
                {
                    tmpLayer = Layer.ParentLayer;
                }
                var NewNode = new PathfinderNode(tmpLayer);
                NewNode.Node_Add(this);
                NewNode.SpanCalc();
                RaiseConnections();
                NewNode.Layer.Network.FindParentNode_Add(NewNode);
            }
        }