simples wfc, funktioniert noch nicht immer

src/algorithms/profile.py

@@ -1,13 +1,14 @@
 import time
 from multiprocessing import Pool
 
+from src.algorithms.wfc import WFCSolver
 from src.algorithms.bruteforce import BruteForceSolver
 from src.net import NetGame
 
 
-def test_run() -> float:
+def test_run(i: int) -> float:
-    game = NetGame(3, 3)
+    game = NetGame(5, 5, i)
-    solver = BruteForceSolver(game)
+    solver = WFCSolver(game)
     a = time.perf_counter()
     for _ in solver.solve():
         pass
@@ -18,7 +19,7 @@ def test_run() -> float:
 if __name__ == "__main__":
     total = 0
     with Pool() as p:
-        processes = [p.apply_async(test_run) for _ in range(100)]
+        processes = [p.apply_async(test_run, (i,)) for i in range(1000)]
         for proc in processes:
             total += proc.get()
-    print(total)
+    print(total / 1000)

src/algorithms/wfc.py

@@ -1,4 +1,5 @@
-from netTypes import Direction, PieceType
+from collections.abc import Generator
+from src.netTypes import Direction, PieceType
 from src.net import NetGame
 
 
@@ -36,13 +37,13 @@ class WFCSolver:
             return dirs
         elif ptype == PieceType.CORNER:
             possible: set[Direction] = set()
-            if dirs.union({Direction.UP, Direction.RIGHT}):
+            if dirs.issuperset({Direction.UP, Direction.RIGHT}):
                 possible.add(Direction.UP)
-            if dirs.union({Direction.RIGHT, Direction.DOWN}):
+            if dirs.issuperset({Direction.RIGHT, Direction.DOWN}):
                 possible.add(Direction.RIGHT)
-            if dirs.union({Direction.DOWN, Direction.LEFT}):
+            if dirs.issuperset({Direction.DOWN, Direction.LEFT}):
                 possible.add(Direction.DOWN)
-            if dirs.union({Direction.LEFT, Direction.UP}):
+            if dirs.issuperset({Direction.LEFT, Direction.UP}):
                 possible.add(Direction.LEFT)
             return possible
         elif ptype == PieceType.STRAIGHT:
@@ -67,56 +68,33 @@ class WFCSolver:
             else:
                 return set()
 
-    def get_possible_direction_count(self, x: int, y: int) -> int:
+    def solve(self) -> Generator[None]:
-        ptype = self.game.get_piece(x, y).type
-        connectable = self.possible_connections[x][y]
-        camount = len(connectable)
-        if camount == 4:
-            return 4
-        if ptype == PieceType.NODE:
-            return camount
-        elif ptype == PieceType.CORNER:
-            if camount == 3:
-                return 2
-            elif (
-                camount == 2
-                and connectable != {Direction.UP, Direction.DOWN}
-                and connectable != {Direction.LEFT, Direction.RIGHT}
-            ):  # 2 nicht-gegenüberliegende seiten
-                return 1
-            else:
-                return 0
-        elif ptype == PieceType.STRAIGHT:
-            if camount == 4:
-                return 4
-            elif (
-                camount == 3
-                or connectable == {Direction.UP, Direction.DOWN}
-                or connectable == {Direction.LEFT, Direction.RIGHT}
-            ):
-                return 1
-            else:
-                return 0
-        else:  # T-JUNCTION
-            if camount == 4:
-                return 4
-            elif camount == 3:
-                return 1
-            else:
-                return 0
-
-    def solve(self) -> None:
         coordinates = list(
             ((i, j) for i in range(self.game.width) for j in range(self.game.height))
         )
         while not self.game.solved():
+            yield
             (x, y) = min(
-                coordinates, key=lambda t: self.get_possible_direction_count(*t)
+                coordinates, key=lambda t: len(self.get_possible_directions(*t))
             )
-            if self.get_possible_direction_count(x, y) == 0:
+            if len(self.get_possible_directions(x, y)) == 0:
                 raise NotImplementedError(
                     "Irgendwo eine falsche Richtung gewählt, muss diese Logik noch schreiben"
                 )
             direction = self.get_possible_directions(x, y).pop()
             self.game.set_direction(x, y, direction)
-            # TODO: Nachbaren updaten
+            self.game.lock(x, y)
+            coordinates.remove((x, y))
+            for nx, ny in self.game.neighbors(x, y):
+                dx = nx - x
+                dy = ny - y
+                ndir = Direction.from_offset(dx, dy)
+                if ndir not in self.game.get_piece(x, y).connected_directions():
+                    try:
+                        self.possible_connections[nx][ny].remove(
+                            Direction((ndir + 2) % 4)
+                        )
+                    except KeyError:
+                        pass
+                elif self.game.get_piece(nx, ny).type == PieceType.NODE:
+                    self.possible_connections[nx][ny] = {Direction((ndir + 2) % 4)}

src/net.py

@@ -13,14 +13,17 @@ class Grid:
     width: int
     height: int
 
-    def __init__(self, width: int, height: int) -> None:
+    def __init__(self, width: int, height: int, specific: int | None = None) -> None:
         self.height = height
         self.width = width
         if width != height or width not in [3, 5, 7, 9, 11, 13]:
             raise ValueError("Feldgrösse nicht erlaubt")
         with open(f"descriptions/{width}x{height}.txt") as f:
             lines = f.readlines()
-            selected = choice(lines).strip()
+            if specific:
+                selected = lines[specific].strip()
+            else:
+                selected = choice(lines).strip()
         self.pieces = parse_description(selected)
 
     def neighbors(self, x: int, y: int) -> list[Coordinate]:
@@ -71,8 +74,8 @@ class NetGame:
     width: int
     height: int
 
-    def __init__(self, width: int, height: int) -> None:
+    def __init__(self, width: int, height: int, specific: int | None = None) -> None:
-        self._grid = Grid(width, height)
+        self._grid = Grid(width, height, specific)
         self.width = width
         self.height = height
 
@@ -94,5 +97,8 @@ class NetGame:
     def set_direction(self, x: int, y: int, dir: Direction) -> None:
         self._grid.pieces[x][y].direction = dir
 
+    def neighbors(self, x: int, y: int) -> list[Coordinate]:
+        return self._grid.neighbors(x, y)
+
     def solved(self):
         return self._grid.solved()