fix: Illegal and missing moves caluclated

src/plugin2027/piece.rs

@@ -38,8 +38,8 @@ impl Piece {
     pub fn shape(&self) -> HashSet<Coordinate> {
         self.kind
             .coordinates()
-            .flip(self.is_flipped)
             .rotate(self.rotation)
+            .flip(self.is_flipped)
     }
 
     /// Die tatsächlichen Koordinaten, die der Stein am Ende auf dem Feld einnimmt.

src/plugin2027/utils/game_rule_logic.rs

@@ -305,15 +305,12 @@ impl GameRuleLogic {
 
         let color = game_state.current_color();
         for field in &valid_fields {
-            for (_variant_shape, rotation, is_flipped) in shape.variants() {
-                let area = shape.transform(rotation, is_flipped).area();
-                for x in (field.x - area.delta_x)..=field.x {
-                    for y in (field.y - area.delta_y)..=field.y {
-                        let position = Coordinate::new(x, y);
-                        let piece = Piece::new(color, shape, rotation, is_flipped, position);
-                        if Self::is_valid_set_move(game_state, &piece) {
-                            moves.insert(piece);
-                        }
+            for (variant_coordinates, rotation, is_flipped) in shape.variants() {
+                for anchor in &variant_coordinates {
+                    let position = Coordinate::new(field.x - anchor.x, field.y - anchor.y);
+                    let piece = Piece::new(color, shape, rotation, is_flipped, position);
+                    if Self::is_valid_set_move(game_state, &piece) {
+                        moves.insert(piece);
                     }
                 }
             }