string SolveMazeXFSInternal(Action <List <NormalNode>, NormalNode> action) { var Open_Table = new List <NormalNode>(); var Closed_Table = new List <NormalNode>(); var Answer = new NormalNode(); var cx = MapSize.Width - 1; var cy = MapSize.Height - 1; var Start = PtStart; var End = PtEnd; Debug.Assert(Start != End); Open_Table.Add(new NormalNode() { Coordinate = Start, Parent = null }); NormalNode PathEndNode = null; var Opens = 0; var Closeds = 0; long tick = 0; var watch = new Stopwatch(); watch.Start(); while (Open_Table.Count > 0) { var ExpandNode = Open_Table.First(); Open_Table.RemoveAt(0); if (ExpandNode.Coordinate == End) { PathEndNode = ExpandNode; Opens = Open_Table.Count; Closeds = Closed_Table.Count; tick = watch.ElapsedTicks; } var PtCurrent = ExpandNode.Coordinate; var cnt = 0; if (PtCurrent.X > 0 && GetDoorState(PtCurrent, DirectionType.Left) == Open && MzSolveMap[PtCurrent.X - 1, PtCurrent.Y] == Closed) { action(Open_Table, new NormalNode() { Coordinate = new Point(PtCurrent.X - 1, PtCurrent.Y), Parent = ExpandNode }); MzSolveMap[PtCurrent.X - 1, PtCurrent.Y] = WrongBranch; cnt++; } if (PtCurrent.Y > 0 && GetDoorState(PtCurrent, DirectionType.Up) == Open && MzSolveMap[PtCurrent.X, PtCurrent.Y - 1] == Closed) { action(Open_Table, new NormalNode() { Coordinate = new Point(PtCurrent.X, PtCurrent.Y - 1), Parent = ExpandNode }); MzSolveMap[PtCurrent.X, PtCurrent.Y - 1] = WrongBranch; cnt++; } if (PtCurrent.X < cx && GetDoorState(PtCurrent, DirectionType.Right) == Open && MzSolveMap[PtCurrent.X + 1, PtCurrent.Y] == Closed) { action(Open_Table, new NormalNode() { Coordinate = new Point(PtCurrent.X + 1, PtCurrent.Y), Parent = ExpandNode }); MzSolveMap[PtCurrent.X + 1, PtCurrent.Y] = WrongBranch; cnt++; } if (PtCurrent.Y < cy && GetDoorState(PtCurrent, DirectionType.Down) == Open && MzSolveMap[PtCurrent.X, PtCurrent.Y + 1] == Closed) { action(Open_Table, new NormalNode() { Coordinate = new Point(PtCurrent.X, PtCurrent.Y + 1), Parent = ExpandNode }); MzSolveMap[PtCurrent.X, PtCurrent.Y + 1] = WrongBranch; cnt++; } watch.Stop(); if (cnt == 0) { MzSolveMap[PtCurrent.X, PtCurrent.Y] = EndBranch; var it = ExpandNode.Parent as NormalNode; while (it != null) { if (MzSolveMap[it.Coordinate.X, it.Coordinate.Y] == WrongBranch) { it.Branches--; if (it.Branches != 0) { break; } } it = it.Parent as NormalNode; } } else if (cnt == 1) { MzSolveMap[PtCurrent.X, PtCurrent.Y] = Open; } else { MzSolveMap[PtCurrent.X, PtCurrent.Y] = WrongBranch; ExpandNode.Branches = cnt; } watch.Start(); Closed_Table.Add(ExpandNode); } watch.Stop(); if (PathEndNode == null) { return("搜索失败,没有最终解"); } MzSolveMap[Start.X, Start.Y] = StartFlag; MzSolveMap[End.X, End.Y] = EndFlag; var iter = PathEndNode; while (iter != null) { var pt = iter.Coordinate; if (MzSolveMap[pt.X, pt.Y] == WrongBranch) { MzSolveMap[pt.X, pt.Y] = RightBranch; } MzSolvePath.Insert(0, pt); iter = iter.Parent as NormalNode; } return(string.Format( @"步数:{0} OPEN表总数:{1} CLOSED表总数:{2} 所耗时钟周期:{3}" , MzSolvePath.Count - 1, Opens, Closeds, tick)); }
private string SolveMazeHEU_Internal() { var Open_Table = new List <HeuNode>(); var Closed_Table = new List <HeuNode>(); var Answer = new HeuNode(); var cx = MapSize.Width - 1; var cy = MapSize.Height - 1; var Start = PtStart; var End = PtEnd; Debug.Assert(Start != End); Open_Table.Add(new HeuNode() { Coordinate = Start, Parent = null, Level = 0, Cost = End.X + End.Y - Start.X - Start.Y }); NormalNode PathEndNode = null; var Opens = 0; var Closeds = 0; long tick = 0; var watch = new Stopwatch(); watch.Start(); while (Open_Table.Count > 0) { Open_Table.Sort(new Comparison <HeuNode>((a, b) => a.Cost - b.Cost)); var ExpandNode = Open_Table.First(); Open_Table.RemoveAt(0); var PossibleResult = Open_Table.Where(a => a.Cost == ExpandNode.Cost).ToList().Find(a => a.Coordinate == End); if (PossibleResult != null) { ExpandNode = PossibleResult; } if (ExpandNode.Coordinate == End) { PathEndNode = ExpandNode; Opens = Open_Table.Count; Closeds = Closed_Table.Count; tick = watch.ElapsedTicks; } var PtCurrent = ExpandNode.Coordinate; var TempList = new List <HeuNode>(); if (PtCurrent.X > 0 && GetDoorState(PtCurrent, DirectionType.Left) == Open) { TempList.Add(new HeuNode() { Coordinate = new Point(PtCurrent.X - 1, PtCurrent.Y) }); } if (PtCurrent.Y > 0 && GetDoorState(PtCurrent, DirectionType.Up) == Open) { TempList.Add(new HeuNode() { Coordinate = new Point(PtCurrent.X, PtCurrent.Y - 1) }); } if (PtCurrent.X < cx && GetDoorState(PtCurrent, DirectionType.Right) == Open) { TempList.Add(new HeuNode() { Coordinate = new Point(PtCurrent.X + 1, PtCurrent.Y) }); } if (PtCurrent.Y < cy && GetDoorState(PtCurrent, DirectionType.Down) == Open) { TempList.Add(new HeuNode() { Coordinate = new Point(PtCurrent.X, PtCurrent.Y + 1) }); } var cnt = 0; TempList.ForEach(a => { a.Parent = ExpandNode; a.Level = ExpandNode.Level + 1; a.Cost = a.Level + End.X + End.Y - a.Coordinate.X - a.Coordinate.Y; var open_found = Open_Table.Find(b => b.Coordinate == a.Coordinate); var closed_found = open_found == null ? Closed_Table.Find(b => b.Coordinate == a.Coordinate) : null; var found = open_found ?? closed_found; if (found == null) { Open_Table.Add(a); cnt++; } else if (found.Cost > a.Cost) { found.Cost = a.Cost; found.Parent = ExpandNode; found.Level = a.Level; if (closed_found != null) { Open_Table.Add(found); Closed_Table.Remove(found); } } }); watch.Stop(); if (cnt == 0) { MzSolveMap[PtCurrent.X, PtCurrent.Y] = EndBranch; var it = ExpandNode.Parent as NormalNode; while (it != null) { if (MzSolveMap[it.Coordinate.X, it.Coordinate.Y] == WrongBranch) { it.Branches--; if (it.Branches != 0) { break; } } it = it.Parent as NormalNode; } } else if (cnt == 1) { MzSolveMap[PtCurrent.X, PtCurrent.Y] = Open; } else { MzSolveMap[PtCurrent.X, PtCurrent.Y] = WrongBranch; ExpandNode.Branches = cnt; } watch.Start(); Closed_Table.Add(ExpandNode); } watch.Stop(); if (PathEndNode == null) { return("搜索失败,没有最终解"); } MzSolveMap[Start.X, Start.Y] = StartFlag; MzSolveMap[End.X, End.Y] = EndFlag; var iter = PathEndNode; while (iter != null) { var pt = iter.Coordinate; if (MzSolveMap[pt.X, pt.Y] == WrongBranch) { MzSolveMap[pt.X, pt.Y] = RightBranch; } MzSolvePath.Insert(0, pt); iter = iter.Parent as NormalNode; } return(string.Format( @"步数:{0} OPEN表总数:{1} CLOSED表总数:{2} 所耗时钟周期:{3}" , MzSolvePath.Count - 1, Opens, Closeds, tick)); }
string SolveMazeXFSInternal(Action<List<NormalNode>, NormalNode> action) { var Open_Table = new List<NormalNode>(); var Closed_Table = new List<NormalNode>(); var Answer = new NormalNode(); var cx = MapSize.Width - 1; var cy = MapSize.Height - 1; var Start = PtStart; var End = PtEnd; Debug.Assert(Start != End); Open_Table.Add(new NormalNode() { Coordinate = Start, Parent = null }); NormalNode PathEndNode = null; var Opens = 0; var Closeds = 0; long tick = 0; var watch = new Stopwatch(); watch.Start(); while (Open_Table.Count > 0) { var ExpandNode = Open_Table.First(); Open_Table.RemoveAt(0); if (ExpandNode.Coordinate == End) { PathEndNode = ExpandNode; Opens = Open_Table.Count; Closeds = Closed_Table.Count; tick = watch.ElapsedTicks; } var PtCurrent = ExpandNode.Coordinate; var cnt = 0; if (PtCurrent.X > 0 && GetDoorState(PtCurrent, DirectionType.Left) == Open && MzSolveMap[PtCurrent.X - 1, PtCurrent.Y] == Closed) { action(Open_Table, new NormalNode() { Coordinate = new Point(PtCurrent.X - 1, PtCurrent.Y), Parent = ExpandNode }); MzSolveMap[PtCurrent.X - 1, PtCurrent.Y] = WrongBranch; cnt++; } if (PtCurrent.Y > 0 && GetDoorState(PtCurrent, DirectionType.Up) == Open && MzSolveMap[PtCurrent.X, PtCurrent.Y - 1] == Closed) { action(Open_Table, new NormalNode() { Coordinate = new Point(PtCurrent.X, PtCurrent.Y - 1), Parent = ExpandNode }); MzSolveMap[PtCurrent.X, PtCurrent.Y - 1] = WrongBranch; cnt++; } if (PtCurrent.X < cx && GetDoorState(PtCurrent, DirectionType.Right) == Open && MzSolveMap[PtCurrent.X + 1, PtCurrent.Y] == Closed) { action(Open_Table, new NormalNode() { Coordinate = new Point(PtCurrent.X + 1, PtCurrent.Y), Parent = ExpandNode }); MzSolveMap[PtCurrent.X + 1, PtCurrent.Y] = WrongBranch; cnt++; } if (PtCurrent.Y < cy && GetDoorState(PtCurrent, DirectionType.Down) == Open && MzSolveMap[PtCurrent.X, PtCurrent.Y + 1] == Closed) { action(Open_Table, new NormalNode() { Coordinate = new Point(PtCurrent.X, PtCurrent.Y + 1), Parent = ExpandNode }); MzSolveMap[PtCurrent.X, PtCurrent.Y + 1] = WrongBranch; cnt++; } watch.Stop(); if (cnt == 0) { MzSolveMap[PtCurrent.X, PtCurrent.Y] = EndBranch; var it = ExpandNode.Parent as NormalNode; while (it != null) { if (MzSolveMap[it.Coordinate.X, it.Coordinate.Y] == WrongBranch) { it.Branches--; if (it.Branches != 0) break; } it = it.Parent as NormalNode; } } else if (cnt == 1) { MzSolveMap[PtCurrent.X, PtCurrent.Y] = Open; } else { MzSolveMap[PtCurrent.X, PtCurrent.Y] = WrongBranch; ExpandNode.Branches = cnt; } watch.Start(); Closed_Table.Add(ExpandNode); } watch.Stop(); if (PathEndNode == null) { return "搜索失败,没有最终解"; } MzSolveMap[Start.X, Start.Y] = StartFlag; MzSolveMap[End.X, End.Y] = EndFlag; var iter = PathEndNode; while (iter != null) { var pt = iter.Coordinate; if (MzSolveMap[pt.X, pt.Y] == WrongBranch) MzSolveMap[pt.X, pt.Y] = RightBranch; MzSolvePath.Insert(0, pt); iter = iter.Parent as NormalNode; } return string.Format( @"步数:{0} OPEN表总数:{1} CLOSED表总数:{2} 所耗时钟周期:{3}" , MzSolvePath.Count - 1, Opens, Closeds, tick); }