Add DryRegion and WetRegion

Add SpecialArea
Add SpecialRegionData
Add RegionData.connectedRegions
Add PasteUtils

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

@@ -23,11 +23,9 @@ import de.steamwar.bausystem.region.flags.Flag;
 import de.steamwar.sql.SchematicNode;
 import lombok.NonNull;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.function.Function;
+import java.util.stream.Stream;
 
 public abstract class RegionData {
 
@@ -52,6 +50,13 @@ public abstract class RegionData {
     protected void initialize() {
     }
 
+    /**
+     * All connected Regions are required to have the same type as their RegionData.
+     */
+    protected Stream<Region> connectedRegions() {
+        return Stream.empty();
+    }
+
     @NonNull
     public abstract <T extends Enum<T> & Flag.Value<T>> RegionFlagPolicy has(@NonNull Flag<T> flag);
 
@@ -60,10 +65,15 @@ public abstract class RegionData {
      */
     public final <T extends Enum<T> & Flag.Value<T>> boolean set(@NonNull Flag<T> flag, @NonNull T value) {
         if (has(flag).isWritable()) {
-            if (flagMap.put(flag, value) != value) {
-                store.saveRegion();
-                return true;
-            }
+            boolean needsSave = flagMap.put(flag, value) != value;
+            if (needsSave) store.saveRegion();
+
+            connectedRegions().forEach(region -> {
+                if (region.getRegionData().flagMap.put(flag, value) != value) {
+                    region.saveRegion();
+                }
+            });
+            return needsSave;
         }
         return false;
     }
@@ -74,13 +84,21 @@ public abstract class RegionData {
     }
 
     public final void clear() {
+        Set<Flag> remove = new HashSet<>();
         for (Flag flag : Flag.getFlags()) {
             if (has(flag).isWritable()) {
                 flagMap.remove(flag);
+                remove.add(flag);
             }
         }
         properties.forEach(property -> property.set(null));
         store.saveRegion();
+
+        connectedRegions().forEach(region -> {
+            region.getRegionData().flagMap.keySet().removeAll(remove);
+            region.getRegionData().properties.forEach(property -> property.set(null));
+            region.saveRegion();
+        });
     }
 
     public final Map<Flag<?>, Flag.Value<?>> getBackedMap() {