private static Path GetBestPathFrom(Board b, Options o, int y, int x)
{
Path bestPath = new Path();
Stack<Tuple<Board, Path>> paths = new Stack<Tuple<Board, Path>>();
paths.Push(new Tuple<Board, Path>(b, new Path
{
Start = new Tuple<int, int>(y, x),
Current = new Tuple<int, int>(y, x),
Depth = 1,
Score = b.Score(BoardScorer.Options.Horus)
}));
while (paths.Any())
{
var cur = paths.Pop();
var curPath = cur.Item2;
var curBoard = cur.Item1;
if (curPath.Score > bestPath.Score)
bestPath = curPath;
if (curPath.Depth == o.MaxDepth)
continue;
//if (paths.Count() > o.WhenToPrune)
//{
// var newPaths = new Stack<Tuple<Board, Path>>();
// foreach (var path in paths.OrderByDescending(p => p.Item2.Score).Take(o.NumToKeep).Reverse())
// newPaths.Push(path);
// paths = newPaths;
//}
foreach (var direction in Board.MoveDirections)
{
if (curPath.Length != 0 &&
curPath.Actions.Last()[0] == -direction[0] &&
curPath.Actions.Last()[1] == -direction[1])
continue;
var newY = curPath.Current.Item1 + direction[0];
var newX = curPath.Current.Item2 + direction[1];
if (newY < 0 || newY >= b.Height ||
newX < 0 || newX >= b.Width)
continue;
Board newBoard = new Board(curBoard);
Orb tempOrb = newBoard.Orbs[newY, newX];
newBoard.Orbs[newY, newX] = newBoard.Orbs[curPath.Current.Item1, curPath.Current.Item2];
newBoard.Orbs[curPath.Current.Item1, curPath.Current.Item2] = tempOrb;
var newPath = new List<int[]>(curPath.Actions);
newPath.Add(direction);
paths.Push(new Tuple<Board, Path>(newBoard, new Path
{
Start = curPath.Start,
Current = new Tuple<int, int>(newY, newX),
Depth = curPath.Depth + 1,
Score = newBoard.Score(BoardScorer.Options.Horus) - curPath.Depth / 100,
Actions = newPath
}));
}
}
return bestPath;
}
public static Path GetBestPath(Board b, Options o)
{
Path bestPath = new Path();
object pathLock = new Object();
Parallel.For(0, b.Height, i =>
{
//for (int i = 0; i < b.Height; i++)
Parallel.For(0, b.Width, j =>
{
//for (int j = 0; j < b.Width; j++)
var curPath = GetBestPathFrom(b, o, i, j);
lock (pathLock)
{
if (curPath.Score > bestPath.Score)
bestPath = curPath;
}
var c = b.GetBoardsAfterPath(curPath.Start.Item1, curPath.Start.Item2, curPath.Actions);
var curPath2 = GetBestPathFrom(c.Item1, o, curPath.Current.Item1, curPath.Current.Item2);
var actions = new List<int[]>(curPath.Actions);
actions.AddRange(curPath2.Actions);
curPath2.Actions = actions;
lock (pathLock)
{
if (curPath2.Score > bestPath.Score)
curPath = bestPath = new Path
{
Start = curPath.Start,
Current = curPath2.Current,
Depth = curPath.Depth + curPath2.Depth,
Score = curPath2.Score,
Actions = curPath2.Actions
};
}
});
});
var cc = b.GetBoardsAfterPath(bestPath.Start.Item1, bestPath.Start.Item2, bestPath.Actions);
var bestPath2 = GetBestPathFrom(cc.Item1, o, bestPath.Current.Item1, bestPath.Current.Item2);
var actions2 = new List<int[]>(bestPath.Actions);
actions2.AddRange(bestPath2.Actions);
bestPath2.Actions = actions2;
lock (pathLock)
{
if (bestPath2.Score > bestPath.Score)
bestPath = new Path
{
Start = bestPath.Start,
Current = bestPath2.Current,
Depth = bestPath.Depth + bestPath2.Depth,
Score = bestPath2.Score,
Actions = bestPath2.Actions
};
}
return bestPath;
}
public static Board BoardFromBitmap(int rows, int columns, int height, int width, int h_off, int w_off, Bitmap bmp)
{
PadImage pi = new PadImage(bmp, rows, columns, height, width, h_off, w_off);
Board b = new Board(rows, columns);
for (int i = 0; i < rows; i++)
for (int j = 0; j < columns; j++)
{
b.Orbs[i, j] = pi.GetOrb(i, j);
}
Console.WriteLine(b.ToString());
return b;
}
public void Configure(IApplicationBuilder app)
{
app.UseMvc();
return;
app.Run(async (context) =>
{
try {
Board b = new Board(4, 4);
Array vals = Enum.GetValues(typeof(Orb));
for (int i = 0; i < b.Height; i++)
for (int j = 0; j < b.Width; j++)
{
b.Orbs[i, j] = (i + j) % 2 == 0 ? Orb.Red : Orb.Blue;
b.Orbs[i, j] = (Orb) vals.GetValue(1 + (i + j) % 5);
}
var p = DfsSolver.GetBestPath(b);
var b2 = b.GetBoardsAfterPath(p.Start.Item1, p.Start.Item2, p.Actions);
Board opt = SAASSolver.GetOptimalBoards(b, SAASSolver.Options.Default, BoardScorer.Options.Horus).First();
var b3 = new Board(opt);
b3.GetCombos(false);
var p2 = SAASSolver.GetBestPath(b, SAASSolver.Options.Default, BoardScorer.Options.Horus);
var b4 = b.GetBoardsAfterPath(p2.Start.Item1, p2.Start.Item2, p2.Actions);
//await context.Response.WriteAsync(JsonConvert.SerializeObject(p));
//return;
await context.Response.WriteAsync(""
//+ JsonConvert.SerializeObject(p)
//+ "\n\n\n"
//+ JsonConvert.SerializeObject(b)
//+ "\n\n\n"
//+ JsonConvert.SerializeObject(b2)
+ b.ToString()
+ b2.Item1.ToString()
+ b2.Item2.ToString()
+ "\n\n"
+ b2.Item1.Score(BoardScorer.Options.Horus)
+ "\n\nSAAS optimal:"
+ opt.ToString()
+ b3.ToString()
+ "\n\n"
+ opt.Score(BoardScorer.Options.Horus)
+ "\n\n"
+ JsonConvert.SerializeObject(p2)
+ b4.Item1.ToString()
+ b4.Item2.ToString()
);
}
catch (Exception ex)
{
await context.Response.WriteAsync(ex.ToString());
}
});
}
public string SolveBoardOne(string path, int rows, int cols, int width, int height, int w_off, int h_off)
{
Board b = new Board(5, 6);
b.Orbs = new Orb[,]
{
{ Orb.Green, Orb.Heal, Orb.Light, Orb.Green, Orb.Green, Orb.Red },
{ Orb.Dark, Orb.Blue, Orb.Red, Orb.Red, Orb.Blue, Orb.Light },
{ Orb.Heal, Orb.Red, Orb.Heal, Orb.Dark, Orb.Blue, Orb.Blue},
{ Orb.Green, Orb.Green, Orb.Dark, Orb.Light, Orb.Dark, Orb.Dark},
{ Orb.Dark, Orb.Green, Orb.Dark, Orb.Light, Orb.Red, Orb.Green}
};
return JsonConvert.SerializeObject(BeamDfs.GetBestPath(b, BoardScorer.Options.Horus));
}
public bool EqualsBoard(Board b, bool ignoreNone = false)
{
for (int i = 0; i < Height; i++)
for (int j = 0; j < Width; j++)
{
if (ignoreNone && (Orbs[i, j] == Orb.None || b.Orbs[i, j] == Orb.None))
continue;
if (Orbs[i, j] != b.Orbs[i, j]
|| Enhancements[i, j] != b.Enhancements[i, j])
return false;
}
return true;
}
public bool TestBoardEq()
{
Board b = new Board(4, 4);
Board b2 = new Board(b);
Array vals = Enum.GetValues(typeof(Orb));
for (int i = 0; i < b.Height; i++)
for (int j = 0; j < b.Width; j++)
{
b.Orbs[i, j] = (i + j) % 2 == 0 ? Orb.Red : Orb.Blue;
b.Orbs[i, j] = (Orb)vals.GetValue(1 + (i + j) % 5);
if (i == 0)
b2.Orbs[i, j] = b.Orbs[i, j];
}
return b2.EqualsBoard(b, false);
}
public Tuple<Board, Board, List<Combo>> GetBoardsAfterPath(int y, int x, List<int[]> path)
{
Board b = new Board(this);
foreach (var direction in path)
{
var newY = y + direction[0];
var newX = x + direction[1];
Orb temp = b.Orbs[newY, newX];
b.Orbs[newY, newX] = b.Orbs[y, x];
b.Orbs[y, x] = temp;
y = newY;
x = newX;
}
Board clear = new Board(b);
var combos = clear.GetCombos(false);
return new Tuple<Board, Board, List<Combo>>(b, clear, combos);
}
public string TestHeuristic()
{
Board b = new Board(6, 6);
Array vals = Enum.GetValues(typeof(Orb));
for (int i = 0; i < b.Height; i++)
for (int j = 0; j < b.Width; j++)
b.Orbs[i, j] = Orb.Red;
Board b2 = new Board(b);
b.Orbs[0, 0] = Orb.Blue;
b.Orbs[3, 3] = Orb.Blue;
b2.Orbs[1, 1] = Orb.Blue;
b2.Orbs[2, 2] = Orb.Blue;
b.Orbs[3, 0] = Orb.Green;
b.Orbs[0, 3] = Orb.Green;
b2.Orbs[1, 2] = Orb.Green;
b2.Orbs[2, 1] = Orb.Green;
SAASSolver.Heuristic h = SAASSolver.Options.Default.HeuristicGen(b);
return h(b2).ToString();
}
public static Path GetBestPath(Board b, Options o, BoardScorer.Options bso)
{
Path bestPath = new Path();
object pathLock = new object();
Parallel.For(0, b.Height, i =>
{
//for (int i = 0; i < b.Height; i++)
Parallel.For(0, b.Width, j =>
{
//for (int j = 0; j < b.Width; j++)
var curPath = GetBestPathFrom(b, o, i, j, bso);
lock (pathLock)
{
if (curPath.Score > bestPath.Score)
bestPath = curPath;
}
});
});
return bestPath;
}
public string TestSAAS(string path, int rows, int cols, int width, int height, int w_off, int h_off)
{
path = Uri.UnescapeDataString(path);
Console.WriteLine(path);
Bitmap bmp = new Bitmap(path);
Board b = PadImage.BoardFromBitmap(rows, cols, height, width, h_off, w_off, bmp);
Board opt = SAASSolver.GetOptimalBoards(b, SAASSolver.Options.Default, BoardScorer.Options.Horus).First();
var b3 = new Board(opt);
b3.GetCombos(false);
//var p2 = SAASSolver.GetBestPathSA(b, SAASSolver.Options.Default, BoardScorer.Options.Horus);
//var b4 = b.GetBoardsAfterPath(p2.Start.Item1, p2.Start.Item2, p2.Actions);
return ""
+ b.ToString()
+ "\n\nSAAS optimal:"
+ opt.ToString()
+ b3.ToString()
+ "\n\n"
+ opt.Score(BoardScorer.Options.Horus)
+ "\n\n";
// + JsonConvert.SerializeObject(p2)
// + b4.Item1.ToString()
// + b4.Item2.ToString();
}
private static Path GetBestPathFrom(Board b, Options o, int y, int x, BoardScorer.Options bso)
{
Path bestPath = new Path();
PriorityQueue<Tuple<Board, Path>, double> paths = new PriorityQueue<Tuple<Board, Path>, double>();
paths.Enqueue(new Tuple<Board, Path>(b, new Path
{
Start = new Tuple<int, int>(y, x),
Current = new Tuple<int, int>(y, x),
Depth = 1,
Score = b.Score(bso)
}));
int depth = 0;
while (depth++ < o.MaxDepth)
{
// Console.WriteLine("currently at depth {0}...", depth);
PriorityQueue<Tuple<Board, Path>, double> newPaths = new PriorityQueue<Tuple<Board, Path>, double>();
while (paths.Count != 0)
{
var cur = paths.Dequeue();
var curPath = cur.Item2;
var curBoard = cur.Item1;
if (curPath.Score > bestPath.Score)
bestPath = curPath;
//if (paths.Count() > o.WhenToPrune)
//{
// var newPaths = new Stack<Tuple<Board, Path>>();
// foreach (var path in paths.OrderByDescending(p => p.Item2.Score).Take(o.NumToKeep).Reverse())
// newPaths.Push(path);
// paths = newPaths;
//}
foreach (var direction in Board.MoveDirections)
{
if (curPath.Length != 0 &&
curPath.Actions.Last()[0] == -direction[0] &&
curPath.Actions.Last()[1] == -direction[1])
continue;
var newY = curPath.Current.Item1 + direction[0];
var newX = curPath.Current.Item2 + direction[1];
if (newY < 0 || newY >= b.Height ||
newX < 0 || newX >= b.Width)
continue;
Board newBoard = new Board(curBoard);
Orb tempOrb = newBoard.Orbs[newY, newX];
newBoard.Orbs[newY, newX] = newBoard.Orbs[curPath.Current.Item1, curPath.Current.Item2];
newBoard.Orbs[curPath.Current.Item1, curPath.Current.Item2] = tempOrb;
var newPath = new List<int[]>(curPath.Actions);
newPath.Add(direction);
double score = newBoard.Score(bso) - curPath.Depth / 100;
newPaths.Enqueue(new Tuple<Board, Path>(newBoard, new Path
{
Start = curPath.Start,
Current = new Tuple<int, int>(newY, newX),
Depth = curPath.Depth + 1,
Score = score,
Actions = newPath
}), score);
}
}
paths = newPaths.TrimToSize(o.BeamWidth);
}
return bestPath;
}
public Board(Board b)
: this(b.Height, b.Width)
{
Array.Copy(b.Orbs, Orbs, b.Height * b.Width);
Array.Copy(b.Enhancements, Enhancements, b.Height * b.Width);
}
public static Path GetBestPath(Board b)
{
return GetBestPath(b, Options.Default);
}
public List<Combo> GetCombos(bool copy = true)
{
Board copyBoard = new Board(this);
if (!copy)
copyBoard = this;
List<Combo> combos = new List<Combo>();
List<Combo> lastComboSet = new List<Combo>();
do
{
lastComboSet = copyBoard.GetCombosWithoutGravity();
combos.AddRange(lastComboSet);
copyBoard.GravityFill();
} while (lastComboSet.Any());
return combos;
}
public static Path GetBestPath(Board b, BoardScorer.Options bso)
{
return GetBestPath(b, Options.Default, bso);
}
// this function changes the board! make a copy before calling it
private List<Combo> GetCombosWithoutGravity()
{
List<Combo> combos = new List<Combo>();
Board comboBoard = new Board(Height, Width);
for (int i = 0; i < Height; i++)
for (int j = 1; j < Width - 1; j++)
{
if (Orbs[i, j] == Orb.None)
continue;
if (Orbs[i, j - 1] == Orbs[i, j] && Orbs[i, j] == Orbs[i, j + 1])
{
comboBoard.Orbs[i, j - 1] = Orbs[i, j];
comboBoard.Orbs[i, j] = Orbs[i, j];
comboBoard.Orbs[i, j + 1] = Orbs[i, j];
}
}
for (int i = 1; i < Height - 1; i++)
for (int j = 0; j < Width; j++)
{
if (Orbs[i, j] == Orb.None)
continue;
if (Orbs[i - 1, j] == Orbs[i, j] && Orbs[i, j] == Orbs[i + 1, j])
{
comboBoard.Orbs[i - 1, j] = Orbs[i, j];
comboBoard.Orbs[i, j] = Orbs[i, j];
comboBoard.Orbs[i + 1, j] = Orbs[i, j];
}
}
// row check
bool[] isRows = new bool[Height];
for (int i = 0; i < isRows.Length; i++)
isRows[i] = true;
for (int i = 0; i < Height; i++)
for (int j = 1; j < Width; j++)
isRows[i] = isRows[i] ? Orbs[i, j] == Orbs[i, 0] : false;
Stack<Tuple<int, int>> orbStack = new Stack<Tuple<int, int>>();
HashSet<Tuple<int, int>> visited = new HashSet<Tuple<int, int>>();
for (int i = 0; i < Height; i++)
for (int j = 0; j < Width; j++)
{
int comboNumOrbs = 0;
int comboNumEnhances = 0;
bool isRow = true;
Orb orbType = Orbs[i, j];
if (comboBoard.Orbs[i, j] == Orb.None)
continue;
orbStack.Clear();
orbStack.Push(new Tuple<int, int>(i, j));
while (orbStack.Any())
{
var curLoc = orbStack.Pop();
if (visited.Contains(new Tuple<int, int>(curLoc.Item1, curLoc.Item2)))
continue;
comboBoard.Orbs[curLoc.Item1, curLoc.Item2] = Orb.None;
Orbs[curLoc.Item1, curLoc.Item2] = Orb.None;
comboNumOrbs++;
if (Enhancements[curLoc.Item1, curLoc.Item2])
comboNumEnhances++;
isRow = isRow ? isRows[curLoc.Item1] : false;
visited.Add(curLoc);
foreach (var direction in MatchDirections)
{
var newY = curLoc.Item1 + direction[0];
var newX = curLoc.Item2 + direction[1];
if (newY < 0 || newY >= Height ||
newX < 0 || newX >= Width ||
visited.Contains(new Tuple<int, int>(newY, newX)) ||
orbType != comboBoard.Orbs[newY, newX])
continue;
orbStack.Push(new Tuple<int, int>(newY, newX));
}
}
combos.Add(new Combo
{
OrbType = orbType,
NumOrbs = comboNumOrbs,
NumEnahcements = comboNumEnhances,
IsRow = isRow
});
}
return combos;
}