Exemplo n.º 1
0
        public PathfinderConnection(PathfinderConnection SourceConnection)
        {
            NodeA = SourceConnection.NodeA.ParentNode;
            NodeB = SourceConnection.NodeB.ParentNode;
            NodeA.Connection_Add(this, ref NodeA_ConnectionNum);
            NodeB.Connection_Add(this, ref NodeB_ConnectionNum);

            NodeA.Layer.Connection_Add(this);
            ValueCalc();
        }
Exemplo n.º 2
0
        public void ChangedNode_Add(PathfinderNode NewChangedNode)
        {
            if ( NewChangedNode.Layer_ChangedNodeNum >= 0 )
            {
                return;
            }

            if ( ChangedNodes.GetUpperBound(0) < ChangedNodeCount )
            {
                Array.Resize(ref ChangedNodes, ChangedNodeCount * 2 + 1 + 1);
            }
            ChangedNodes[ChangedNodeCount] = NewChangedNode;
            ChangedNodes[ChangedNodeCount].Layer_ChangedNodeNum = ChangedNodeCount;
            ChangedNodeCount++;
        }
Exemplo n.º 3
0
        public PathfinderConnection(PathfinderNode NewNodeA, PathfinderNode NewNodeB, float NewValue)
        {
            if ( NewNodeA.Layer.Network_LayerNum > 0 | NewNodeB.Layer.Network_LayerNum > 0 | NewValue <= 0.0F )
            {
                Debugger.Break();
                return;
            }

            Value = NewValue;

            LinkCount = 1;

            NodeA = NewNodeA;
            NodeB = NewNodeB;
            NodeA.Connection_Add(this, ref NodeA_ConnectionNum);
            NodeB.Connection_Add(this, ref NodeB_ConnectionNum);

            NodeA.Layer.Connection_Add(this);

            RaiseDependant();
        }
Exemplo n.º 4
0
        public void FindCalc()
        {
            PathfinderNode[] ShuffledNodes = null;
            var ShuffledNodeCount = 0;
            int[] Positions = null;
            var PositionCount = 0;
            var RandNum = 0;
            var A = 0;

            while ( FindParentNodeCount > 0 )
            {
                Positions = new int[FindParentNodeCount];
                ShuffledNodeCount = FindParentNodeCount;
                ShuffledNodes = new PathfinderNode[ShuffledNodeCount];

                for ( A = 0; A <= FindParentNodeCount - 1; A++ )
                {
                    Positions[PositionCount] = PositionCount;
                    PositionCount++;
                }
                for ( A = 0; A <= FindParentNodeCount - 1; A++ )
                {
                    RandNum = App.Random.Next() * PositionCount;
                    ShuffledNodes[Positions[RandNum]] = FindParentNodes[A];
                    PositionCount--;
                    if ( RandNum < PositionCount )
                    {
                        Positions[RandNum] = Positions[PositionCount];
                    }
                }

                for ( A = 0; A <= ShuffledNodeCount - 1; A++ )
                {
                    if ( ShuffledNodes[A].Network_FindParentNum >= 0 )
                    {
                        if ( ShuffledNodes[A].ParentNode == null )
                        {
                            ShuffledNodes[A].FindParent();
                        }
                        FindParentNode_Remove(ShuffledNodes[A].Network_FindParentNum);
                    }
                }
            }

            //remove empty layers
            var LayerNum = NodeLayerCount - 1;
            do
            {
                if ( NodeLayers[LayerNum].NodeCount > 0 )
                {
                    break;
                }
                NodeLayers[LayerNum].Network_LayerNum = -1;
                if ( LayerNum == 0 )
                {
                    break;
                }
                NodeLayers[LayerNum - 1].ParentLayer = null;
                LayerNum--;
            } while ( true );
            if ( LayerNum < NodeLayerCount - 1 )
            {
                Array.Resize(ref NodeLayers, LayerNum + 1);
                NodeLayerCount = LayerNum + 1;
            }
        }
Exemplo n.º 5
0
        public void FindParentNode_Add(PathfinderNode NewFindParentNode)
        {
            if ( NewFindParentNode.Network_FindParentNum >= 0 )
            {
                return;
            }

            if ( FindParentNodes.GetUpperBound(0) < FindParentNodeCount )
            {
                Array.Resize(ref FindParentNodes, (FindParentNodeCount + 1) * 2);
            }
            FindParentNodes[FindParentNodeCount] = NewFindParentNode;
            FindParentNodes[FindParentNodeCount].Network_FindParentNum = FindParentNodeCount;
            FindParentNodeCount++;
        }
Exemplo n.º 6
0
        public bool NodeCanReachNode(PathfinderNode StartNode, PathfinderNode FinishNode)
        {
            var StartParent = StartNode;
            var FinishParent = FinishNode;

            do
            {
                if ( StartParent == FinishParent )
                {
                    return true;
                }
                StartParent = StartParent.ParentNode;
                if ( StartParent == null )
                {
                    return false;
                }
                FinishParent = FinishParent.ParentNode;
                if ( FinishParent == null )
                {
                    return false;
                }
            } while ( true );
        }
Exemplo n.º 7
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();
            }
        }
Exemplo n.º 8
0
        public void Node_Add(PathfinderNode NodeToAdd)
        {
            if ( Layer == null )
            {
                Debugger.Break();
                return;
            }

            if ( NodeToAdd.Layer.Network_LayerNum != Layer.Network_LayerNum - 1 )
            {
                Debugger.Break();
                return;
            }

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

            if ( Layer_ChangedNodeNum < 0 )
            {
                Layer.ChangedNode_Add(this);
            }

            NodeToAdd.ParentNode = this;
            NodeToAdd.ParentNode_NodeNum = NodeCount;

            Nodes[NodeCount] = NodeToAdd;
            NodeCount++;

            if ( NodeToAdd.ConnectionCount == 0 )
            {
                Debugger.Break();
            }

            if ( NodeToAdd.Clearance > Clearance )
            {
                ClearanceSet(Clearance);
            }
            else
            {
                ClearanceCalc();
            }
        }
Exemplo n.º 9
0
 public PathfinderNode GetOtherNode(PathfinderNode Self)
 {
     if ( NodeA == Self )
     {
         return NodeB;
     }
     return NodeA;
 }
Exemplo n.º 10
0
 public void Node_Add(PathfinderNode NewNode)
 {
     if ( Nodes.GetUpperBound(0) < NodeCount )
     {
         Array.Resize(ref Nodes, (NodeCount + 1) * 2);
     }
     Nodes[NodeCount] = NewNode;
     Nodes[NodeCount].Layer_NodeNum = NodeCount;
     NodeCount++;
 }
Exemplo n.º 11
0
        public void FloodCheckInternal(PathfinderNode CurrentNode, ref sVisited Visited)
        {
            var A = 0;
            var tmpNode = default(PathfinderNode);
            var tmpConnection = default(PathfinderConnection);

            Visited.Visited[CurrentNode.ParentNode_NodeNum] = true;

            for ( A = 0; A <= CurrentNode.ConnectionCount - 1; A++ )
            {
                tmpConnection = CurrentNode.Connections[A];
                tmpNode = tmpConnection.GetOtherNode(CurrentNode);
                if ( tmpNode.ParentNode == this )
                {
                    if ( !Visited.Visited[tmpNode.ParentNode_NodeNum] )
                    {
                        FloodCheckInternal(tmpNode, ref Visited);
                    }
                }
            }
        }
Exemplo n.º 12
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);
            }
        }
Exemplo n.º 13
0
        public PathfinderConnection FindConnection(PathfinderNode NodeToFind)
        {
            var A = 0;
            var tmpConnection = default(PathfinderConnection);

            for ( A = 0; A <= ConnectionCount - 1; A++ )
            {
                tmpConnection = Connections[A];
                if ( tmpConnection.GetOtherNode(this) == NodeToFind )
                {
                    return tmpConnection;
                }
            }
            return null;
        }
Exemplo n.º 14
0
        public void CheckIntegrity()
        {
            //make sure im still a good parent

            if ( NodeCount >= 2 )
            {
                var Visited = new sVisited();
                Visited.Visited = new bool[NodeCount];
                var A = 0;
                FloodCheckInternal(Nodes[0], ref Visited);
                for ( A = 0; A <= NodeCount - 1; A++ )
                {
                    if ( !Visited.Visited[A] )
                    {
                        goto DisbandAndFind;
                    }
                }
            }

            if ( NodeCount == 1 & ConnectionCount == 0 )
            {
                goto DisbandAndFind;
            }
            if ( NodeCount > 1 )
            {
                SpanCalc();
            }
            else if ( NodeCount == 0 )
            {
                if ( ParentNode != null )
                {
                    var tmpNode = ParentNode;
                    tmpNode.Node_Remove(ParentNode_NodeNum);
                    tmpNode.CheckIntegrity();
                }
                if ( Layer.Network_LayerNum > 0 )
                {
                    Deallocate();
                }
            }

            return;
            DisbandAndFind:
            var B = 0;
            var Children = new PathfinderNode[NodeCount];
            for ( B = 0; B <= NodeCount - 1; B++ )
            {
                Children[B] = Nodes[B];
            }
            var ChildCount = NodeCount;

            Disband();

            for ( B = 0; B <= ChildCount - 1; B++ )
            {
                Children[B].Layer.Network.FindParentNode_Add(Children[B]);
            }
        }
Exemplo n.º 15
0
        private void RemoveFromNodes()
        {
            NodeA.Connection_Remove(NodeA_ConnectionNum);
            NodeA = null;
            NodeA_ConnectionNum = -1;

            NodeB.Connection_Remove(NodeB_ConnectionNum);
            NodeB = null;
            NodeB_ConnectionNum = -1;
        }
Exemplo n.º 16
0
        public Path[] GetAllPaths(PathfinderNode[] StartNodes, PathfinderNode FinishNode, int MinClearance)
        {
            var StartNodeCount = StartNodes.GetUpperBound(0) + 1;
            var LayerStartNodes = new PathfinderNode[32, StartNodeCount];
            var LayerFinishNodes = new PathfinderNode[32];
            var LayerNum = 0;
            var FloodRouteDArgs = new sFloodRouteAllArgs();
            var FinalLayer = 0;
            var StartCanReach = new bool[StartNodeCount];
            var tmpNodeA = default(PathfinderNode);
            var CanReachCount = 0;
            var FirstLayer = 0;
            var SubPaths = new Path[32];
            var Nodes_Nodes = NetworkLargeArrays.Nodes_Nodes;
            var Visit = NetworkLargeArrays.Nodes_Booleans;
            var NodeValues = NetworkLargeArrays.Nodes_ValuesA;
            var NodeValuesB = NetworkLargeArrays.Nodes_ValuesB;
            var A = 0;
            var B = 0;
            var C = 0;
            var D = 0;

            FinalLayer = StartNodes[0].Layer.Network_LayerNum;
            LayerFinishNodes[FinalLayer] = FinishNode;
            B = FinalLayer;
            do
            {
                if ( LayerFinishNodes[B].ParentNode == null )
                {
                    FirstLayer = B;
                    break;
                }
                LayerFinishNodes[B + 1] = LayerFinishNodes[B].ParentNode;
                B++;
            } while ( true );
            for ( A = 0; A <= StartNodeCount - 1; A++ )
            {
                LayerStartNodes[FinalLayer, A] = StartNodes[A];
                B = FinalLayer;
                do
                {
                    if ( LayerStartNodes[B, A].ParentNode == null )
                    {
                        if ( LayerStartNodes[B, A] == LayerFinishNodes[B] )
                        {
                            StartCanReach[A] = true;
                            CanReachCount++;
                        }
                        break;
                    }
                    LayerStartNodes[B + 1, A] = LayerStartNodes[B, A].ParentNode;
                    B++;
                } while ( true );
            }
            if ( CanReachCount == 0 )
            {
                return null;
            }
            LayerNum = FirstLayer;
            SubPaths[LayerNum] = new Path();
            SubPaths[LayerNum].Nodes = new[] {LayerFinishNodes[LayerNum]};
            SubPaths[LayerNum].NodeCount = 1;
            var LastLayer = 0;
            do
            {
                LastLayer = LayerNum;
                LayerNum--;
                if ( LayerNum < FinalLayer )
                {
                    break;
                }
                for ( A = 0; A <= SubPaths[LastLayer].NodeCount - 1; A++ )
                {
                    tmpNodeA = SubPaths[LastLayer].Nodes[A];
                    for ( B = 0; B <= tmpNodeA.ConnectionCount - 1; B++ )
                    {
                        C = tmpNodeA.Connections[B].GetOtherNode(tmpNodeA).Layer_NodeNum;
                        Visit[C] = false;
                    }
                }
                for ( A = 0; A <= SubPaths[LastLayer].NodeCount - 1; A++ )
                {
                    tmpNodeA = SubPaths[LastLayer].Nodes[A];
                    C = tmpNodeA.Layer_NodeNum;
                    Visit[C] = true;
                    for ( D = 0; D <= tmpNodeA.NodeCount - 1; D++ )
                    {
                        C = tmpNodeA.Nodes[D].Layer_NodeNum;
                        NodeValues[C] = float.MaxValue;
                        NodeValuesB[C] = float.MaxValue;
                    }
                }
                FloodRouteDArgs = new sFloodRouteAllArgs();
                FloodRouteDArgs.FinishNode = LayerFinishNodes[LayerNum];
                FloodRouteDArgs.Visit = Visit;
                FloodRouteDArgs.NodeValuesA = NodeValues;
                FloodRouteDArgs.SourceNodes = Nodes_Nodes;
                FloodRouteDArgs.NodeValuesB = NodeValuesB;
                FloodRouteDArgs.MinClearance = MinClearance;
                FloodRouteDArgs.BestTolerance = (float)(Math.Pow(1.1D, LayerNum));
                FloodRouteDArgs.StartNodes = new PathfinderNode[StartNodeCount];
                for ( A = 0; A <= StartNodeCount - 1; A++ )
                {
                    if ( StartCanReach[A] )
                    {
                        FloodRouteDArgs.StartNodes[FloodRouteDArgs.StartNodeCount] = LayerStartNodes[LayerNum, A];
                        FloodRouteDArgs.StartNodeCount++;
                    }
                }
                Array.Resize(ref FloodRouteDArgs.StartNodes, FloodRouteDArgs.StartNodeCount);
                FloodRouteAll(ref FloodRouteDArgs);
                SubPaths[LayerNum] = new Path();
                SubPaths[LayerNum].Nodes = new PathfinderNode[FloodRouteDArgs.BestNodeCount];
                for ( A = 0; A <= FloodRouteDArgs.BestNodeCount - 1; A++ )
                {
                    SubPaths[LayerNum].Nodes[A] = FloodRouteDArgs.SourceNodes[A];
                }
                SubPaths[LayerNum].NodeCount = FloodRouteDArgs.BestNodeCount;
                if ( FloodRouteDArgs.BestNodeCount == 0 )
                {
                    Debugger.Break();
                    return SubPaths;
                }
            } while ( true );
            return SubPaths;
        }
Exemplo n.º 17
0
        public PathList[] GetPath(PathfinderNode[] StartNodes, PathfinderNode FinishNode, int Accuracy, int MinClearance)
        {
            var StartNodeCount = StartNodes.GetUpperBound(0) + 1;
            var Paths = new PathList[NodeLayerCount];
            var LayerStartNodes = new PathfinderNode[NodeLayerCount, StartNodeCount];
            var LayerFinishNodes = new PathfinderNode[NodeLayerCount];
            var LayerNum = 0;
            var Destinations = new PathfinderNode[24];
            var DestinationCount = 0;
            var FinishIsParent = default(bool);
            var CalcNodeCount = new int[24];
            var FloodRouteArgs = new sFloodRouteArgs();
            var FinalLayer = 0;
            var StartCanReach = new bool[StartNodeCount];
            var tmpNodeA = default(PathfinderNode);
            var tmpNodeB = default(PathfinderNode);
            var CanReachCount = 0;
            var FirstLayer = 0;
            var BestPaths = new Path[24];
            var BestValues = new float[24];
            var PathNum = 0;
            var StopMultiPathing = default(bool);
            var Visit = NetworkLargeArrays.Nodes_Booleans;
            var NodeValues = NetworkLargeArrays.Nodes_ValuesA;
            var Nodes_Nodes = NetworkLargeArrays.Nodes_Nodes;
            var StartPath = NetworkLargeArrays.Nodes_Path;
            var A = 0;
            var B = 0;
            var C = 0;
            var D = 0;
            var E = 0;

            FinalLayer = StartNodes[0].Layer.Network_LayerNum;
            LayerFinishNodes[FinalLayer] = FinishNode;
            B = FinalLayer;
            do
            {
                if ( LayerFinishNodes[B].ParentNode == null )
                {
                    FirstLayer = B;
                    break;
                }
                LayerFinishNodes[B + 1] = LayerFinishNodes[B].ParentNode;
                B++;
            } while ( true );
            for ( A = 0; A <= StartNodeCount - 1; A++ )
            {
                LayerStartNodes[FinalLayer, A] = StartNodes[A];
                B = FinalLayer;
                do
                {
                    if ( LayerStartNodes[B, A].ParentNode == null )
                    {
                        if ( LayerStartNodes[B, A] == LayerFinishNodes[B] )
                        {
                            StartCanReach[A] = true;
                            CanReachCount++;
                        }
                        break;
                    }
                    LayerStartNodes[B + 1, A] = LayerStartNodes[B, A].ParentNode;
                    B++;
                } while ( true );
            }
            if ( CanReachCount == 0 )
            {
                return null;
            }
            LayerNum = FirstLayer;
            Paths[LayerNum].Paths = new Path[0];
            Paths[LayerNum].Paths[0] = new Path();
            Paths[LayerNum].PathCount = 1;
            Paths[LayerNum].Paths[0].Nodes = new PathfinderNode[1];
            Paths[LayerNum].Paths[0].Nodes[0] = LayerFinishNodes[LayerNum];
            Paths[LayerNum].Paths[0].NodeCount = 1;
            var LastLayer = 0;
            do
            {
                LastLayer = LayerNum;
                LayerNum--;
                if ( LayerNum < FinalLayer )
                {
                    break;
                }
                if ( StopMultiPathing )
                {
                    if ( Accuracy < 0 )
                    {
                        Debugger.Break();
                    }
                    for ( PathNum = 0; PathNum <= Paths[LastLayer].PathCount - 1; PathNum++ )
                    {
                        CalcNodeCount[PathNum] = Math.Min(Accuracy, Convert.ToInt32(Paths[LastLayer].Paths[PathNum].NodeCount - 1));
                    }
                    Destinations[0] = Paths[LastLayer].Paths[0].Nodes[CalcNodeCount[0]];
                    DestinationCount = 1;
                    FinishIsParent = true;
                }
                else
                {
                    if ( Accuracy >= 0 )
                    {
                        for ( PathNum = 0; PathNum <= Paths[LastLayer].PathCount - 1; PathNum++ )
                        {
                            if ( Paths[LastLayer].Paths[PathNum].NodeCount > Accuracy )
                            {
                                StopMultiPathing = true;
                                break;
                            }
                        }
                    }
                    Destinations[0] = LayerFinishNodes[LayerNum];
                    if ( LayerNum == FinalLayer )
                    {
                        DestinationCount = 1;
                    }
                    else
                    {
                        for ( A = 0; A <= Destinations[0].ConnectionCount - 1; A++ )
                        {
                            Destinations[1 + A] = Destinations[0].Connections[A].GetOtherNode(Destinations[0]);
                        }
                        DestinationCount = 1 + Destinations[0].ConnectionCount;
                    }
                    for ( PathNum = 0; PathNum <= Paths[LastLayer].PathCount - 1; PathNum++ )
                    {
                        CalcNodeCount[PathNum] = Paths[LastLayer].Paths[PathNum].NodeCount - 1;
                    }
                    FinishIsParent = false;
                }
                for ( PathNum = 0; PathNum <= Paths[LastLayer].PathCount - 1; PathNum++ )
                {
                    for ( A = 0; A <= CalcNodeCount[PathNum]; A++ )
                    {
                        tmpNodeA = Paths[LastLayer].Paths[PathNum].Nodes[A];
                        for ( D = 0; D <= tmpNodeA.ConnectionCount - 1; D++ )
                        {
                            tmpNodeB = tmpNodeA.Connections[D].GetOtherNode(tmpNodeA);
                            for ( E = 0; E <= tmpNodeB.ConnectionCount - 1; E++ )
                            {
                                C = tmpNodeB.Connections[E].GetOtherNode(tmpNodeB).Layer_NodeNum;
                                Visit[C] = false;
                            }
                        }
                    }
                }
                for ( PathNum = 0; PathNum <= Paths[LastLayer].PathCount - 1; PathNum++ )
                {
                    for ( A = 0; A <= CalcNodeCount[PathNum]; A++ )
                    {
                        tmpNodeA = Paths[LastLayer].Paths[PathNum].Nodes[A];
                        C = tmpNodeA.Layer_NodeNum;
                        Visit[C] = true;
                        for ( E = 0; E <= tmpNodeA.NodeCount - 1; E++ )
                        {
                            C = tmpNodeA.Nodes[E].Layer_NodeNum;
                            NodeValues[C] = float.MaxValue;
                        }
                        for ( D = 0; D <= tmpNodeA.ConnectionCount - 1; D++ )
                        {
                            tmpNodeB = tmpNodeA.Connections[D].GetOtherNode(tmpNodeA);
                            C = tmpNodeB.Layer_NodeNum;
                            Visit[C] = true;
                            for ( E = 0; E <= tmpNodeB.NodeCount - 1; E++ )
                            {
                                C = tmpNodeB.Nodes[E].Layer_NodeNum;
                                NodeValues[C] = float.MaxValue;
                            }
                        }
                    }
                }
                FloodRouteArgs = new sFloodRouteArgs();
                FloodRouteArgs.CurrentPath = StartPath;
                FloodRouteArgs.FinishNodes = Destinations;
                FloodRouteArgs.FinishNodeCount = DestinationCount;
                FloodRouteArgs.FinishIsParent = FinishIsParent;
                FloodRouteArgs.Visit = Visit;
                FloodRouteArgs.NodeValues = NodeValues;
                FloodRouteArgs.SourceNodes = Nodes_Nodes;
                FloodRouteArgs.MinClearance = MinClearance;
                for ( A = 0; A <= DestinationCount - 1; A++ )
                {
                    BestPaths[A] = null;
                    BestValues[A] = float.MaxValue;
                }
                for ( A = 0; A <= StartNodeCount - 1; A++ )
                {
                    if ( StartCanReach[A] )
                    {
                        StartPath.NodeCount = 1;
                        StartPath.Nodes[0] = LayerStartNodes[LayerNum, A];
                        StartPath.Value = 0.0F;
                        FloodRouteArgs.BestPaths = new Path[DestinationCount];
                        FloodRoute(ref FloodRouteArgs);
                        for ( PathNum = 0; PathNum <= DestinationCount - 1; PathNum++ )
                        {
                            if ( FloodRouteArgs.BestPaths[PathNum] != null )
                            {
                                if ( FloodRouteArgs.BestPaths[PathNum].Value < BestValues[PathNum] )
                                {
                                    BestValues[PathNum] = FloodRouteArgs.BestPaths[PathNum].Value;
                                    BestPaths[PathNum] = FloodRouteArgs.BestPaths[PathNum];
                                }
                            }
                        }
                    }
                }
                Paths[LayerNum].Paths = new Path[DestinationCount];
                Paths[LayerNum].PathCount = 0;
                for ( PathNum = 0; PathNum <= DestinationCount - 1; PathNum++ )
                {
                    if ( BestPaths[PathNum] != null )
                    {
                        Paths[LayerNum].Paths[Paths[LayerNum].PathCount] = BestPaths[PathNum];
                        Paths[LayerNum].PathCount++;
                    }
                }
                Array.Resize(ref Paths[LayerNum].Paths, Paths[LayerNum].PathCount);
                if ( Paths[LayerNum].PathCount == 0 )
                {
                    return null;
                }
            } while ( true );
            return Paths;
        }
Exemplo n.º 18
0
        public void ForceDeallocate()
        {
            var A = 0;

            for ( A = 0; A <= ConnectionCount - 1; A++ )
            {
                Connections[A].ForceDeallocate();
            }
            Connections = null;
            Nodes = null;
            ParentNode = null;
            Layer = null;
        }
Exemplo n.º 19
0
        public PathfinderConnection GetOrCreateConnection(PathfinderNode OtherNode, float Value)
        {
            var tmpConnection = default(PathfinderConnection);

            if ( OtherNode.Layer != Layer )
            {
                return null;
            }

            tmpConnection = FindConnection(OtherNode);
            if ( tmpConnection == null )
            {
                return new PathfinderConnection(this, OtherNode, Value);
            }
            return tmpConnection;
        }
Exemplo n.º 20
0
 public void ForceDeallocate()
 {
     DependantConnection = null;
     NodeA = null;
     NodeB = null;
 }