internal static void Check(DistanceNode sourcePerson, DistanceNode targetPerson, Steps steps, double nodeDistance)
{
Assert.AreEqual(nodeDistance, steps.Degree);
var stepList = steps.GetSteps().ToList();
Assert.AreEqual(nodeDistance, stepList.Count);
if (stepList.Count == 0)
{
return;
}
if (!stepList[0].Left.Name.Equals(targetPerson.Name))
{
Assert.Fail("Chain starts incorrectly.");
}
if (!stepList[stepList.Count - 1].Right.Name.Equals(sourcePerson.Name))
{
Assert.Fail("Chain ends incorrectly.");
}
CheckTitles(stepList);
CheckAllButLastElementForSourcePerson(sourcePerson, stepList);
CheckAllButFirstElementForTargetPerson(targetPerson, stepList);
CheckForDuplicateNodes(stepList);
}
internal static void CheckSteps(DistanceNode sourceNode, DistanceNode targetNode, List <Steps> stepsList, double nodeDistance)
{
StepsChecker.Check(stepsList);
foreach (var steps in stepsList)
{
StepsChecker.Check(sourceNode, targetNode, steps, nodeDistance);
}
}
public void TestCompareTo_GreaterThan()
{
DistanceNode thisNode = new DistanceNode(new Point(RandomVector()), new Point(RandomVector()), 0.5f);
DistanceNode otherNode = new DistanceNode(new Point(RandomVector()), new Point(RandomVector()), 0.2f);
int expected = 1;
int actual = thisNode.CompareTo(otherNode);
Assert.That(actual, Is.EqualTo(expected));
}
public void Handle(string instruction)
{
AbstractNode left = null, right = null;
AbstractNode direction = null, action = null, distance = null;
// 声明一个栈用以存储抽象语法树
Stack <AbstractNode> nodeStack = new Stack <AbstractNode>();
// 以空格分隔指令字符串
string[] words = instruction.Split(' ');
for (int i = 0; i < words.Length; i++)
{
// 这里采用栈的方式来处理指令，如果遇到"and"，
// 则将其后的3个单词作为3个终结符表达式连成一个简单句子
// SentenseNode作为"and"的右表达式，而将从栈顶弹出的表达式作为"and"的左表达式，
// 最后将"and"表达式压栈
if (words[i].Equals("and", StringComparison.OrdinalIgnoreCase))
{
// 弹出栈顶表达式作为左表达式
left = nodeStack.Pop();
// 构造右表达式
string word1 = words[++i];
direction = new DirectionNode(word1);
string word2 = words[++i];
action = new ActionNode(word2);
string word3 = words[++i];
distance = new DistanceNode(word3);
right = new SentenseNode(direction, action, distance);
// 新表达式压栈
AndNode newNode = new AndNode(left, right);
nodeStack.Push(newNode);
}
// 如果是从头开始进行解释，则将前3个单词组成一个简单句子SentenseNode并将该句子压栈
else
{
// 构造左表达式
string word1 = words[i];
direction = new DirectionNode(word1);
string word2 = words[++i];
action = new ActionNode(word2);
string word3 = words[++i];
distance = new DistanceNode(word3);
left = new SentenseNode(direction, action, distance);
nodeStack.Push(left);
}
}
// 全部表达式出栈
this.node = nodeStack.Pop();
}
private static void CheckAllButFirstElementForTargetPerson(DistanceNode targetPerson, List <Step> steps)
{
for (int stepIndex = 2; stepIndex < steps.Count - 1; stepIndex += 2)
{
var personNode = steps[stepIndex].Left;
if (!(personNode.Tag is PersonNode))
{
Assert.Fail("Node is not a person node.");
}
if (personNode.Name.Equals(targetPerson.Name))
{
Assert.Fail("Target person can be found after start.");
}
}
}
private static void CheckAllButLastElementForSourcePerson(DistanceNode sourcePerson, List <Step> steps)
{
for (int stepIndex = 0; stepIndex < steps.Count - 1; stepIndex += 2)
{
var personNode = steps[stepIndex].Left;
if (!(personNode.Tag is PersonNode))
{
Assert.Fail("Node is not a person node.");
}
if (personNode.Name.Equals(sourcePerson.Name))
{
Assert.Fail("Source person can be found before end.");
}
}
}
private static void AddPersonNodes(Graph graph, DistanceNode profileNode, IEnumerable <IPerson> people, HashSet <string> duplicateChecker)
{
foreach (var person in people)
{
if (!graph.TryGetDistanceNode(PersonNode.BuildNodeName(person), out var personNode))
{
personNode = new PersonNode(person);
graph.AddNode(personNode);
}
if (duplicateChecker.Add(personNode.Name)) //a person can have multiple jobs in the same profiles
{
graph.AddEdge(profileNode, personNode, 1, true);
}
((PersonNode)personNode).AddJob((ProfileNode)profileNode, person);
}
}
public void TestCompareTo_EqualToDistanceAndStaticEqual()
{
float distance = Random.value;
DistanceNode thisNode = new DistanceNode(
new Point(new Vector3(1.0f, 2.0f, 3.0f)),
new Point(new Vector3(1.0f, 2.0f, 3.0f)),
distance
);
DistanceNode otherNode = new DistanceNode(
new Point(new Vector3(1.0f, 2.0f, 3.0f)),
new Point(new Vector3(100.0f, 200.0f, 300.0f)),
distance
);
int actual = thisNode.CompareTo(otherNode);
int expected = -1;
Assert.That(actual, Is.EqualTo(expected));
}
public void TestEquals_DistanceNotEqual()
{
DistanceNode thisNode = new DistanceNode(
new Point(new Vector3(1.0f, 2.0f, 3.0f)),
new Point(new Vector3(4.0f, 5.0f, 6.0f)),
7.0f
);
DistanceNode otherNode = new DistanceNode(
new Point(new Vector3(1.0f, 2.0f, 3.0f)),
new Point(new Vector3(4.0f, 5.0f, 6.0f)),
3.5f
);
bool expected = false;
bool actual1 = thisNode.Equals(otherNode);
bool actual2 = thisNode.Equals(otherNode);
Assert.That(expected, Is.EqualTo(actual1));
Assert.That(expected, Is.EqualTo(actual2));
}
internal ResultForm(Graph resultGraph, DistanceNode resultGraphTargetNode)
{
_resultGraph = resultGraph;
_results = GraphHelper.GetPaths(resultGraphTargetNode);;
InitializeComponent();
Icon = Properties.Resource.djdsoft;
ShowPeoplesJobInImageToolStripMenuItem.Checked = Properties.Settings.Default.ShowJobs;
var rows = _results.Select(r => CreateRow(r)).ToArray();
ResultListView.Items.AddRange(rows);
if (ResultListView.Items.Count > 0)
{
ResultListView.Items[0].Selected = true;
}
}
public void TestCompareTo_EqualTo()
{
float distance = Random.value;
DistanceNode thisNode = new DistanceNode(
new Point(new Vector3(1.0f, 2.0f, 3.0f)),
new Point(new Vector3(4.0f, 2.0f, 5.0f)),
distance
);
DistanceNode otherNode = new DistanceNode(
new Point(new Vector3(1.0f, 2.0f, 3.0f)),
new Point(new Vector3(4.0f, 2.0f, 5.0f)),
distance
);
int actual1 = thisNode.CompareTo(otherNode);
int actual2 = otherNode.CompareTo(thisNode);
int expected = 0;
Assert.That(actual1, Is.EqualTo(expected));
Assert.That(actual2, Is.EqualTo(expected));
}
public void TestEquals_ModelVectorNotEqual()
{
float distance = Random.value;
DistanceNode thisNode = new DistanceNode(
new Point(new Vector3(1.0f, 2.0f, 3.0f)),
new Point(new Vector3(4.0f, 5.0f, 6.0f)),
distance
);
DistanceNode otherNode = new DistanceNode(
new Point(new Vector3(1.0f, 2.0f, 3.0f)),
new Point(new Vector3(4.0f, 6.0f, 6.0f)),
distance
);
bool expected = false;
bool actual1 = thisNode.Equals(otherNode);
bool actual2 = thisNode.Equals(otherNode);
Assert.That(expected, Is.EqualTo(actual1));
Assert.That(expected, Is.EqualTo(actual2));
}
private static IEnumerable <Steps> GetSteps(DistanceNode targetNode, Steps steps)
{
if (targetNode.Distance == 0)
{
yield return(steps);
}
else
{
var predecessorNodes = targetNode.Predecessors.Cast <DistanceNode>();
foreach (var predecessorNode in predecessorNodes)
{
var nextStep = steps.Add(targetNode, predecessorNode);
var stepsList = GetSteps(predecessorNode, nextStep);
foreach (var stepItem in stepsList)
{
yield return(stepItem);
}
}
}
}
public void Test_Add_DistanceNode()
{
Point staticPoint = Auxilaries.RandomPoint();
Point modelPoint = Auxilaries.RandomPoint();
float distance = 3;
DistanceNode node = new DistanceNode(
modelPoint: modelPoint,
staticPoint: staticPoint,
distance: distance
);
CorrespondenceCollection actual = correspondences;
correspondences.Add(node);
modelPointList.Add(modelPoint);
staticPointList.Add(staticPoint);
correspondenceList.Add(new Correspondence(staticPoint: staticPoint, modelPoint: modelPoint));
CorrespondenceCollection expected = new CorrespondenceCollection(modelPointList, staticPointList, correspondenceList);
Assert.AreEqual(expected, actual);
}
public override Direction Think(GameState gs)
{
bool chased = false;
foreach (Ghost ghost in gs.Ghosts)
{
if (ghost.Node == null || !ghost.Chasing || !ghost.Entered)
{
continue;
}
Node.PathInfo path = ghost.Node.ShortestPath[gs.Pacman.Node.X, gs.Pacman.Node.Y, (int)Direction.None];
if (path != null && path.Distance < 6 && path.Direction == ghost.Direction)
{
chased = true;
}
}
// powerpill taker
foreach (Node node in gs.Map.Nodes)
{
if (node.Type == Node.NodeType.PowerPill)
{
Node.PathInfo path = gs.Pacman.Node.ShortestPath[node.X, node.Y, (int)Direction.None];
if (path != null)
{
if (path.Distance < 3 || (chased && path.Distance < 7))
{
return(path.Direction);
}
}
}
}
// danger
double[] dist = { Double.PositiveInfinity, Double.PositiveInfinity, Double.PositiveInfinity, Double.PositiveInfinity };
// calculate danger for each direction
foreach (Ghost ghost in gs.Ghosts)
{
if (ghost.Node == null)
{
continue;
}
if (ghost.Node.IsSame(gs.Pacman.Node) && gs.Pacman.PossibleDirection(gs.Pacman.Direction))
{
return(gs.Pacman.Direction);
}
Node.PathInfo path = gs.Pacman.Node.ShortestPath[ghost.Node.X, ghost.Node.Y, (int)Direction.None];
if (path != null)
{
if ((ghost.Node.ShortestPath[gs.Pacman.Node.X, gs.Pacman.Node.Y, (int)Direction.None].Direction != ghost.InverseDirection(ghost.Direction) || path.Distance < 2) && // heading towards pacman
path.Distance < dist[(int)path.Direction] &&
path.Distance < 4 && // magic number
(ghost.Chasing || ghost.RemainingFlee < 200 || ghost.Entering))
{
dist[(int)path.Direction] = path.Distance;
}
}
}
// calculate best
List <Direction> possibleDirections = new List <Direction>();
for (int i = 0; i < dist.Length; i++)
{
if (gs.Pacman.PossibleDirection((Direction)i) && dist[i] == Double.PositiveInfinity)
{
possibleDirections.Add((Direction)i);
}
}
// 0 => choose least dangerous // still needs more intelligence
if (possibleDirections.Count == 0)
{
Direction bestDirection = Direction.None;
double bestDistance = 0.0;
for (int i = 0; i < dist.Length; i++)
{
if (gs.Pacman.PossibleDirection((Direction)i) && dist[i] > bestDistance)
{
bestDirection = (Direction)i;
bestDistance = dist[i];
}
}
if (debug)
{
Console.WriteLine("0 options: " + bestDirection);
}
return(bestDirection);
}
// 1 => choose just that
else if (possibleDirections.Count == 1)
{
if (debug)
{
Console.WriteLine("1 option: " + possibleDirections[0]);
}
return(possibleDirections[0]);
}
// 2+ => choose ... ?
else
{
if (debug)
{
Console.Write(possibleDirections.Count + " options: ");
}
if (debug)
{
foreach (Direction d in possibleDirections)
{
Console.Write(d + ", ");
}
}
if (debug)
{
Console.WriteLine("");
}
Node.PathInfo bestPath = null;
Node bestNode = null;
// dijkstra avoidance
StateInfo.PillPath avoidancePoint = null;
LinkedList <DistanceNode> possibles;
Prediction prediction = new Prediction(gs, 7);
// find new target (pill furthest away)
StateInfo.PillPath pillPath = StateInfo.FurthestPill(gs.Pacman.Node, gs);
if (pillPath.PathInfo != null)
{
avoidancePoint = pillPath; // maybe nearest powerpill (if exists) would be a good target?
}
List <DirectionDanger> directionDangers = new List <DirectionDanger>();
if (avoidancePoint != null)
{
// run dijkstra to find path
foreach (Direction d in gs.Pacman.PossibleDirections())
{
// find best direction
Direction bestDirection = Direction.None;
float shortestRoute = float.MaxValue;
int longestTime = int.MaxValue;
possibles = new LinkedList <DistanceNode>();
possibles.AddFirst(new LinkedListNode <DistanceNode>(new DistanceNode(gs.Pacman.Node.GetNode(d), 0.0f, d, 1)));
while (possibles.Count > 0)
{
// find next lowest node
DistanceNode node = possibles.First.Value;
// found node
if (node.Node == avoidancePoint.Target)
{
if (node.Distance < shortestRoute)
{
shortestRoute = node.Distance;
longestTime = node.Time;
bestDirection = d;
}
break;
}
// pop node
possibles.Remove(node);
// add adjacents
foreach (Node gn in node.Node.GhostPossibles[(int)node.Direction])
{
// find danger
float danger = 0.0f;
if (node.Time < prediction.Iterations - 1)
{
danger = prediction.DangerMaps[node.Time + 1].Danger[node.Node.X, node.Node.Y] +
prediction.DangerMaps[node.Time + 1].Danger[gn.X, gn.Y];
if (danger > 1.0f)
{
danger = 1.0f;
}
}
// create new node
DistanceNode newNode = new DistanceNode(gn, node.Distance + danger, node.Node.GetDirection(gn), node.Time + 1);
// past iterations
if (newNode.Time > prediction.Iterations || gn.Type == Node.NodeType.PowerPill || newNode.Distance == 1.0)
{
if (newNode.Distance < shortestRoute || (newNode.Distance == shortestRoute && newNode.Time > longestTime))
{
shortestRoute = newNode.Distance;
longestTime = newNode.Time;
bestDirection = d;
}
continue;
}
LinkedListNode <DistanceNode> curNode = possibles.First;
while (curNode != null && curNode.Value.Distance < newNode.Distance)
{
curNode = curNode.Next;
}
if (curNode == null)
{
possibles.AddLast(newNode);
}
else
{
possibles.AddAfter(curNode, newNode);
}
}
}
directionDangers.Add(new DirectionDanger(d, shortestRoute));
}
}
if (directionDangers.Count > 0)
{
List <Direction> newPossibleDirections = new List <Direction>();
directionDangers.Sort(new Comparison <DirectionDanger>(delegate(DirectionDanger dd1, DirectionDanger dd2) {
if (dd1.Danger == dd2.Danger)
{
return(0);
}
if (dd1.Danger > dd2.Danger)
{
return(1);
}
return(-1);
}));
foreach (Direction possible in possibleDirections)
{
foreach (DirectionDanger dd in directionDangers)
{
if (dd.Direction == possible)
{
if (dd.Danger < 0.2)
{
newPossibleDirections.Add(possible);
}
break;
}
}
}
if (newPossibleDirections.Count == 1)
{
return(newPossibleDirections[0]);
}
// 0 - return previous best
if (newPossibleDirections.Count == 0)
{
foreach (DirectionDanger dd in directionDangers)
{
foreach (Direction possible in possibleDirections)
{
if (dd.Direction == possible)
{
return(possible);
}
}
}
}
possibleDirections = newPossibleDirections;
}
// hunt ghosts
foreach (Ghost ghost in gs.Ghosts)
{
if (ghost.Node == null || ghost.Chasing || !ghost.Entered)
{
continue;
}
Node.PathInfo ghostPath = ghost.Node.ShortestPath[gs.Pacman.Node.X, gs.Pacman.Node.Y, (int)Direction.None];
Node.PathInfo path = gs.Pacman.Node.ShortestPath[ghost.Node.X, ghost.Node.Y, (int)Direction.None];
if (path != null && (path.Distance < 4 || (path.Distance < 7 && ghostPath.Direction == ghost.Direction)))
{
if (bestPath == null || path.Distance < bestPath.Distance)
{
bestPath = path;
}
}
}
// hunt pills
if (bestPath == null)
{
foreach (Node node in gs.Map.Nodes)
{
if (node.Type != Node.NodeType.Wall)
{
if (node.Type == Node.NodeType.Pill || node.Type == Node.NodeType.PowerPill)
{
Node.PathInfo curPath = gs.Pacman.Node.ShortestPath[node.X, node.Y, (int)Direction.None];
if (curPath != null)
{
curPath = curPath.Clone();
}
else
{
continue;
}
if (curPath.Direction == gs.Pacman.InverseDirection(gs.Pacman.Direction))
{
curPath = new Node.PathInfo(curPath.Direction, curPath.Distance + 10);
}
List <Node> route = gs.Map.GetRoute(gs.Pacman.Node, node);
foreach (Node routeNode in route)
{
if (routeNode.X == 0 && gs.Map.Tunnels[routeNode.Y])
{
curPath = new Node.PathInfo(curPath.Direction, curPath.Distance - 15);
break;
}
}
if (curPath != null && (bestPath == null || curPath.Distance <= bestPath.Distance))
{
foreach (Direction d in possibleDirections)
{
if (d == curPath.Direction)
{
//if( bestPath == null || curPath.Distance < bestPath.Distance || (bestPath.Distance == curPath.Distance && GameState.Random.NextDouble() < 0.5) ) {
bestNode = node;
bestPath = curPath;
if (debug)
{
Console.WriteLine("best pill: " + bestPath.Direction);
}
break;
//}
}
}
}
}
}
}
}
// return if found
if (bestPath != null)
{
if (debug)
{
Console.WriteLine("best: " + bestPath.Direction);
}
return(bestPath.Direction);
}
// follow same direction if it is in possibles
foreach (Direction d in possibleDirections)
{
if (d == gs.Pacman.Direction)
{
if (debug)
{
Console.WriteLine("follow direction: " + d);
}
return(d);
}
}
// otherwise choose randomly (?)
int chosen = GameState.Random.Next(0, possibleDirections.Count - 1);
if (debug)
{
Console.WriteLine("random: " + possibleDirections[chosen]);
}
return(possibleDirections[chosen]);
}
}
public static IEnumerable <Steps> GetPaths(DistanceNode targetNode)
{
var result = GetSteps(targetNode, new Steps());
return(result);
}
/// <summary>
/// 距離程の評価
/// </summary>
/// <param name="node">距離程ノード</param>
/// <returns>null</returns>
public override object Visit(DistanceNode node)
{
nowDistance = (double)Visit(node.Value);
return(null);
}
public abstract T Visit(DistanceNode node);
internal Steps Add(DistanceNode left, DistanceNode right) => new Steps(this._steps, new Step(left, right));
internal Step(DistanceNode left, DistanceNode right)
{
this.Left = left;
this.Right = right;
}
//Hier werden die Filme rausgefiltert
internal static double GetRealMovieDistance(DistanceNode targetNode)
{
return(targetNode.Distance / 2);
}
