Remove stability from VariantSelector

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/RegionBackups.java

@@ -22,6 +22,7 @@ package de.steamwar.bausystem.region;
 import lombok.Getter;
 import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
+import org.bukkit.Location;
 
 import javax.annotation.CheckReturnValue;
 import javax.annotation.Nullable;
@@ -78,9 +79,9 @@ public interface RegionBackups {
         public final void load(RegionData regionData) {
         }
 
-        @SuppressWarnings("java:S3038") // This forces everybody to implement 'deleteRegion' for Backups!
+        @SuppressWarnings("java:S3038") // This forces everybody to implement 'delete' for Backups!
         @Override
-        public abstract void delete();
+        public abstract void delete(Location location);
     }
 
     @CheckReturnValue

BauSystem/BauSystem_Main/src/de/steamwar/bausystem/region/RegionDataStore.java

@@ -19,9 +19,11 @@
 
 package de.steamwar.bausystem.region;
 
+import org.bukkit.Location;
+
 public interface RegionDataStore {
     void save();
     void load(RegionData regionData);
-    default void delete() {
+    default void delete(Location location) {
     }
 }

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/DynamicRegionVisualizer.java

@@ -174,7 +174,7 @@ public class DynamicRegionVisualizer implements SWPlayer.Component, Listener {
                         player.closeInventory();
                         Region region = DynamicRegionSystem.INSTANCE.get(tile);
                         Set<Tile> tiles = DynamicRegionSystem.INSTANCE.getTilesOfRegion(region);
-                        region.delete();
+                        region.delete(tile.getCenterLocation());
 
                         SWPlayer.allWithSingleComponent(DynamicRegionVisualizer.class)
                                 .forEach(pair -> {

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/dynamic/DynamicRegion.java

@@ -27,6 +27,7 @@ import de.steamwar.bausystem.region.dynamic.path.PathRegion;
 import de.steamwar.bausystem.shared.Pair;
 import lombok.Getter;
 import lombok.NonNull;
+import org.bukkit.Location;
 
 import java.util.HashSet;
 import java.util.List;
@@ -98,7 +99,7 @@ public abstract class DynamicRegion implements Region {
     }
 
     @Override
-    public void delete() {
+    public void delete(Location location) {
         if (!getType().isDeletable()) return;
         DynamicRegionSystem.INSTANCE.remove(this);
         DynamicRegionRepository.deleteRegion(this);

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/dynamic/MultiTileArea.java

@@ -32,7 +32,14 @@ import java.util.function.BiConsumer;
 
 public abstract class MultiTileArea implements Region.Area {
 
-    private final Set<Tile> tiles = new HashSet<>();
+    protected final Set<Tile> tiles = new HashSet<>();
+
+    protected MultiTileArea() {
+    }
+
+    protected MultiTileArea(Set<Tile> initialTiles) {
+        tiles.addAll(initialTiles);
+    }
 
     public boolean addTile(Tile tile) {
         boolean result = tiles.add(tile);

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/dynamic/VariantSelector.java

@@ -24,14 +24,17 @@ import lombok.NonNull;
 import java.io.File;
 import java.time.LocalDate;
 import java.time.Month;
-import java.util.*;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.Optional;
+import java.util.Random;
 
 public abstract class VariantSelector {
 
     private static final Random RANDOM = new Random();
     public static final VariantSelector EMPTY = new VariantSelector() {
         @Override
-        public Optional<File> select(UUID regionID, int drift) {
+        public Optional<File> select() {
             return Optional.empty();
         }
     };
@@ -39,15 +42,15 @@ public abstract class VariantSelector {
     private VariantSelector() {
     }
 
-    public abstract Optional<File> select(UUID regionID, int drift);
+    public abstract Optional<File> select();
 
     public final VariantSelector or(VariantSelector other) {
         if (this == EMPTY) return other;
         VariantSelector self = this;
         return new VariantSelector() {
             @Override
-            public Optional<File> select(UUID regionID, int drift) {
+            public Optional<File> select() {
-                return self.select(regionID, drift).or(() -> other.select(regionID, drift));
+                return self.select().or(() -> other.select());
             }
         };
     }
@@ -57,10 +60,10 @@ public abstract class VariantSelector {
         VariantSelector self = this;
         return new VariantSelector() {
             @Override
-            public Optional<File> select(UUID regionID, int drift) {
+            public Optional<File> select() {
                 LocalDate date = LocalDate.now();
                 if (date.getDayOfMonth() == day && date.getMonth() == month) {
-                    return self.select(regionID, drift);
+                    return self.select();
                 } else {
                     return Optional.empty();
                 }
@@ -75,7 +78,7 @@ public abstract class VariantSelector {
             final File file = files[0];
             return new VariantSelector() {
                 @Override
-                public Optional<File> select(UUID regionID, int drift) {
+                public Optional<File> select() {
                     return Optional.of(file);
                 }
             };
@@ -85,8 +88,7 @@ public abstract class VariantSelector {
         final int filesCount = files.length;
         return new VariantSelector() {
             @Override
-            public Optional<File> select(UUID regionID, int drift) {
+            public Optional<File> select() {
-                RANDOM.setSeed(regionID.getLeastSignificantBits() ^ regionID.getMostSignificantBits() ^ drift);
                 return Optional.of(files[RANDOM.nextInt(filesCount)]);
             }
         };

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/dynamic/modes/AreaBlock.java

@@ -162,7 +162,7 @@ public class AreaBlock implements Region.Area {
     @Override
     public void place(Location location, PasteBuilder pasteBuilder, boolean extension) {
         EditSession editSession = pasteBuilder
-                .with(PasteBuilder.ClipboardProvider.file(selector.select(region.getID(), 0).orElse(null)))
+                .with(PasteBuilder.ClipboardProvider.file(selector.select().orElse(null)))
                 .pastePoint(copyPoint)
                 .run();
         region.getHistory()

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/dynamic/modes/AreaTile.java

@@ -67,7 +67,7 @@ public class AreaTile implements Region.Area {
 
     @Override
     public void place(Location location, PasteBuilder pasteBuilder, boolean extension) {
-        File resetFile = selector.select(regionIdentifier, 0).orElse(null);
+        File resetFile = selector.select().orElse(null);
         if (resetFile != null) PasteUtils.paste(resetFile, minPoint, 0);
     }
 }

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/dynamic/modes/PlotRegionBackups.java

@@ -30,6 +30,7 @@ import de.steamwar.bausystem.region.dynamic.DynamicRegionRepository;
 import de.steamwar.bausystem.region.dynamic.PasteUtils;
 import lombok.NonNull;
 import org.bukkit.Bukkit;
+import org.bukkit.Location;
 import org.jetbrains.annotations.Nullable;
 
 import java.io.File;
@@ -75,7 +76,7 @@ public class PlotRegionBackups implements RegionBackups {
         // Cleanup backups if there are too many!
         backupList.sort(Backup::compareTo);
         while (backupList.size() >= backupType.maxBackups) {
-            backupList.removeFirst().delete();
+            backupList.removeFirst().delete(null);
         }
 
         // Create backup and save!
@@ -148,7 +149,7 @@ public class PlotRegionBackups implements RegionBackups {
         }
 
         @Override
-        public void delete() {
+        public void delete(Location location) {
             backups.getOrDefault(type, Collections.emptyList())
                     .remove(this);
             DynamicRegionRepository.deleteBackup(region, this);

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/dynamic/path/PathArea.java

@@ -111,12 +111,6 @@ public class PathArea implements Region.Area {
             .Case(Path, Path, Garden, CORNER_INNER_GARDEN, RotationCorrection.UsingOrdinal)
             ;
 
-    protected enum RotationCorrection {
-        Unchanged,
-        WithCorrection,
-        UsingOrdinal,
-    }
-
     private final PathRegion region;
     private final UUID regionIdentifier;
     private final Tile tile;
@@ -177,7 +171,7 @@ public class PathArea implements Region.Area {
     public void reset(PathSide side) {
         File resetFile = null;
         VariantSelector selector = SELECTOR_SIDE.Select(tile, side);
-        if (selector != null) resetFile = selector.select(regionIdentifier, side.ordinal() + side.rotate).orElse(null);
+        if (selector != null) resetFile = selector.select().orElse(null);
         if (selector == null || resetFile == null) {
             if (!BauSystem.DEV_SERVER) return;
             resetFile = FALLBACK_SCHEM;
@@ -191,7 +185,7 @@ public class PathArea implements Region.Area {
         Pair<VariantSelector, RotationCorrection> pair = SELECTOR_CORNER.Select(tile, corner);
         VariantSelector selector = pair.getKey();
         RotationCorrection rotationCorrection = pair.getValue();
-        if (selector != null) resetFile = selector.select(regionIdentifier, corner.side1.ordinal() * corner.side2.ordinal() + corner.side1.rotate * corner.side2.rotate).orElse(null);
+        if (selector != null) resetFile = selector.select().orElse(null);
         if (selector == null || resetFile == null) {
             if (!BauSystem.DEV_SERVER) return;
             resetFile = FALLBACK_SCHEM;
@@ -216,14 +210,14 @@ public class PathArea implements Region.Area {
     @Override
     public void place(Location location, PasteBuilder pasteBuilder, boolean extension) {
         if (region.isGarden()) {
-            File resetFile = GARDEN.select(regionIdentifier, 0).orElse(null);
+            File resetFile = GARDEN.select().orElse(null);
             if (resetFile != null) {
                 PasteUtils.paste(resetFile, minPoint, 0);
             }
             return;
         }
 
-        File resetFile = CENTER_NORMAL.select(regionIdentifier, 0).orElse(null);
+        File resetFile = CENTER_NORMAL.select().orElse(null);
         if (resetFile != null) {
             PasteUtils.paste(resetFile, minPoint.add(7, 0, 7), 0);
         }

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/dynamic/path/RotationCorrection.java

@@ -0,0 +1,26 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2026 SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.region.dynamic.path;
+
+public enum RotationCorrection {
+    Unchanged,
+    WithCorrection,
+    UsingOrdinal,
+}

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/dynamic/path/SelectorCorner.java

@@ -24,7 +24,7 @@ import de.steamwar.bausystem.region.dynamic.Tile;
 import de.steamwar.bausystem.region.dynamic.VariantSelector;
 import de.steamwar.bausystem.shared.Pair;
 
-class SelectorCorner {
+public class SelectorCorner {
 
     private static final int BITS;
     private static final int SELECTOR_COUNT;
@@ -36,7 +36,7 @@ class SelectorCorner {
     }
 
     private VariantSelector[] selectors = new VariantSelector[SELECTOR_COUNT];
-    private PathArea.RotationCorrection[] rotationCorrections = new PathArea.RotationCorrection[SELECTOR_COUNT];
+    private RotationCorrection[] rotationCorrections = new RotationCorrection[SELECTOR_COUNT];
 
     private int getIndex(RegionType.ConnectionType left, RegionType.ConnectionType right, RegionType.ConnectionType diagonal) {
         int index = left.ordinal();
@@ -47,18 +47,18 @@ class SelectorCorner {
     public SelectorCorner Case(RegionType.ConnectionType left, RegionType.ConnectionType right, RegionType.ConnectionType diagonal, VariantSelector selector) {
         int index = getIndex(left, right, diagonal);
         selectors[index] = selector;
-        rotationCorrections[index] = PathArea.RotationCorrection.Unchanged;
+        rotationCorrections[index] = RotationCorrection.Unchanged;
         return this;
     }
 
-    public SelectorCorner Case(RegionType.ConnectionType left, RegionType.ConnectionType right, RegionType.ConnectionType diagonal, VariantSelector selector, PathArea.RotationCorrection rotationCorrection) {
+    public SelectorCorner Case(RegionType.ConnectionType left, RegionType.ConnectionType right, RegionType.ConnectionType diagonal, VariantSelector selector, RotationCorrection rotationCorrection) {
         int index = getIndex(left, right, diagonal);
         selectors[index] = selector;
         rotationCorrections[index] = rotationCorrection;
         return this;
     }
 
-    public Pair<VariantSelector, PathArea.RotationCorrection> Select(Tile tile, PathCorner corner) {
+    public Pair<VariantSelector, RotationCorrection> Select(Tile tile, PathCorner corner) {
         RegionType.ConnectionType left = PathArea.getConnectionType(tile, corner.side1, null);
         RegionType.ConnectionType right = PathArea.getConnectionType(tile, corner.side2, null);
         RegionType.ConnectionType diagonal = PathArea.getConnectionType(tile, corner.side1, corner.side2);

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/dynamic/path/SelectorSide.java

@@ -23,11 +23,11 @@ import de.steamwar.bausystem.region.RegionType;
 import de.steamwar.bausystem.region.dynamic.Tile;
 import de.steamwar.bausystem.region.dynamic.VariantSelector;
 
-class SelectorSide {
+public class SelectorSide {
 
     private VariantSelector[] selectors = new VariantSelector[RegionType.ConnectionType.values().length];
 
-    protected SelectorSide Case(RegionType.ConnectionType type, VariantSelector selector) {
+    public SelectorSide Case(RegionType.ConnectionType type, VariantSelector selector) {
         selectors[type.ordinal()] = selector;
         return this;
     }

BauSystem/BauSystem_RegionDynamic/src/de/steamwar/bausystem/region/dynamic/special/SpecialArea.java

@@ -105,7 +105,7 @@ public class SpecialArea implements Region.Area {
 
     @Override
     public void place(Location location, PasteBuilder pasteBuilder, boolean extension) {
-        File resetFile = resetFiles.select(regionIdentifier, 0).orElse(null);
+        File resetFile = resetFiles.select().orElse(null);
         if (resetFile != null) PasteUtils.paste(resetFile, minPoint, 0);
         resetting = false;
     }

BauSystem/BauSystem_RegionFixed/src/de/steamwar/bausystem/region/fixed/FixedRegion.java

@@ -139,7 +139,7 @@ public class FixedRegion implements Region {
         }
 
         @Override
-        public void delete() {
+        public void delete(Location location) {
             file.delete();
         }
     }