city.isDestroyed

src/engine/gameManager/BuildingManager.java

@@ -777,7 +777,7 @@ public enum BuildingManager {
         int newMeshUUID;
         boolean success;
 
-        // If this building has no blueprint then set rank and exit immediately.
+        // If this building has no blueprint then set rank and exit immediatly.
 
         if (building.blueprintUUID == 0 || building.getBlueprint() != null && building.getBlueprint().getBuildingGroup().equals(BuildingGroup.MINE)) {
             building.rank = rank;
@@ -798,7 +798,7 @@ public enum BuildingManager {
         // Attempt to write to database or delete the building
         // if we are destroying it.
 
-        if (rank == -1)
+        if (rank < 0)
             success = DbManager.BuildingQueries.DELETE_FROM_DATABASE(building);
         else
             success = DbManager.BuildingQueries.updateBuildingRank(building, rank);

src/engine/mbEnums.java

@@ -2732,7 +2732,7 @@ public class mbEnums {
         DIAMOND(1580010, 1540225085, -1730704107, 2000, 20),
         GALVOR(1580017, -1683992404, -1596311545, 2000, 5),
         IRON(1580002, -1673518119, 2504297, 2000, 20),
-        LUMBER(1580004, 1628412684, -1603256692, 10000, 100),
+        LUMBER(1580004, -1628412684, -1603256692, 10000, 100),
         MANDRAKE(1580007, 1519910613, 1191391799, 1000, 10),
         MITHRIL(1580021, 626743397, -1761257186, 500, 5),
         OAK(1580005, -1653034775, 74767, 3000, 30),

src/engine/objects/Building.java

@@ -505,11 +505,6 @@ public class Building extends AbstractWorldObject {
             return;
         }
 
-        if (city.destroyed.get() == true) {
-            Logger.error(city.getName() + "derankk called on destroyed city");
-            return;
-        }
-
         bane = city.getBane();
 
         // We need to collect the spires and shrines on the citygrid in case
@@ -566,7 +561,7 @@ public class Building extends AbstractWorldObject {
                 BuildingManager.setRank(barracksBuilding, -1);
         }
 
-        // If the tree is R8 and deranking, we need to update it's
+        // If the tree is R8 and deranking, we need to update the
         // mesh along with buildings losing their health bonus
 
         if (this.rank == 8) {
@@ -597,13 +592,6 @@ public class Building extends AbstractWorldObject {
             return;
         }
 
-        if (city.destroyed.get() == true) {
-            Logger.error(city.getName() + "attempt to destroy a destroyed city");
-            return;
-        }
-
-        city.destroyed.set(true);
-
         // Must remove a bane before considering destruction of a TOL
 
         if (bane != null) {

src/engine/objects/City.java

@@ -81,7 +81,7 @@ public class City extends AbstractWorldObject {
     private String hash;
     public Warehouse warehouse;
     public Realm realm;
-    public AtomicBoolean destroyed = new AtomicBoolean(false);
+    public AtomicBoolean isDestroyed = new AtomicBoolean(false);
 
     /**
      * ResultSet Constructor
@@ -1104,17 +1104,21 @@ public class City extends AbstractWorldObject {
 
     public final void destroy() {
 
+        if (this.isDestroyed.compareAndSet(false, true)) {
+
             Thread destroyCityThread = new Thread(new DestroyCityThread(this));
 
-        destroyCityThread.setName("destroyCity: " + this.getName());
+            destroyCityThread.setName("destroyCity:" + this.getParent().zoneName);
             destroyCityThread.start();
+        } else
+            Logger.error("Attempt to destroy destroyed city");
     }
 
     public final void transfer(AbstractCharacter newOwner) {
 
         Thread transferCityThread = new Thread(new TransferCityThread(this, newOwner));
 
-        transferCityThread.setName("TransferCity: " + this.getName());
+        transferCityThread.setName("TransferCity:" + this.getParent().zoneName);
         transferCityThread.start();
     }
 

src/engine/objects/Mine.java

@@ -220,8 +220,7 @@ public class Mine extends AbstractGameObject {
         // Only inactive mines are returned.
 
         for (Mine mine : Mine.mineMap.keySet()) {
-            if (mine.owningGuild.getObjectUUID() == guildID &&
-                    mine.isActive == false)
+            if (mine.owningGuild.getObjectUUID() == guildID)
                 mineList.add(mine);
         }
         return mineList;

src/engine/workthreads/DestroyCityThread.java

@@ -53,11 +53,14 @@ public class DestroyCityThread implements Runnable {
 
         // Member variable assignment
 
+        try {
             cityZone = city.getParent();
             newParent = cityZone.parent;
             formerGuild = city.getTOL().getGuild();
 
-        // Former guild loses it's tree!
+            Logger.info("Destroy city thread started for: " + cityZone.zoneName);
+
+            // Former guild loses tree!
 
             if (DbManager.GuildQueries.SET_GUILD_OWNED_CITY(formerGuild.getObjectUUID(), 0)) {
 
@@ -85,6 +88,8 @@ public class DestroyCityThread implements Runnable {
 
             // Build list of buildings within this parent zone
 
+            ArrayList<Building> destroySet = new ArrayList<>();
+
             for (Building cityBuilding : cityZone.zoneBuildingSet) {
 
                 // Sanity Check in case player deletes the building
@@ -123,28 +128,27 @@ public class DestroyCityThread implements Runnable {
                     city.warehouse = null;
                 }
 
-            // Destroy all remaining city assets
+                // Mark all auto protected buildings for destruction
 
-            if ((cityBuilding.getBlueprint().getBuildingGroup() == mbEnums.BuildingGroup.BARRACK)
-                    || (cityBuilding.getBlueprint().isWallPiece())
-                    || (cityBuilding.getBlueprint().getBuildingGroup() == mbEnums.BuildingGroup.SHRINE)
-                    || (cityBuilding.getBlueprint().getBuildingGroup() == mbEnums.BuildingGroup.TOL)
-                    || (cityBuilding.getBlueprint().getBuildingGroup() == mbEnums.BuildingGroup.SPIRE)
-                    || (cityBuilding.getBlueprint().getBuildingGroup() == mbEnums.BuildingGroup.WAREHOUSE)) {
-
-                if (cityBuilding.getRank() != -1)
-                    BuildingManager.setRank(cityBuilding, -1);
-            }
+                if ((cityBuilding.getBlueprint().getBuildingGroup() == mbEnums.BuildingGroup.BARRACK) || (cityBuilding.getBlueprint().isWallPiece()) || (cityBuilding.getBlueprint().getBuildingGroup() == mbEnums.BuildingGroup.SHRINE) || (cityBuilding.getBlueprint().getBuildingGroup() == mbEnums.BuildingGroup.TOL) || (cityBuilding.getBlueprint().getBuildingGroup() == mbEnums.BuildingGroup.SPIRE) || (cityBuilding.getBlueprint().getBuildingGroup() == mbEnums.BuildingGroup.WAREHOUSE))
+                    destroySet.add(cityBuilding);
             }
 
-        if (city.realm != null)
+            // Destroy set of auto-protected buildings
+
+            for (Building building : destroySet)
+                if (building.getRank() != -1)
+                    BuildingManager.setRank(building, -1);
+
+            if (city.realm != null) {
                 city.realm.removeCity(city.getObjectUUID());
+                city.realm = null;
+            }
 
             // It's now safe to delete the city zone from the database
             // which will cause a cascade delete of everything else
 
-
-        if (DbManager.ZoneQueries.DELETE_ZONE(cityZone) == false) {
+            if (!DbManager.ZoneQueries.DELETE_ZONE(cityZone)) {
                 Logger.error("DestroyCityThread", "Database error when deleting city zone: " + cityZone.getObjectUUID());
                 return;
             }
@@ -153,9 +157,13 @@ public class DestroyCityThread implements Runnable {
 
             City.lastCityUpdate = System.currentTimeMillis();
 
+        } catch (Exception e) {
+            Logger.error(e);
+        }
+
         // Zone and city should vanish upon next reboot
         // if the codebase reaches here.
 
-        Logger.info(city.getParent().zoneName + " uuid:" + city.getObjectUUID() + "has been destroyed!");
+        Logger.info(city.getParent().zoneName + " uuid: " + city.getObjectUUID() + " has been destroyed!");
     }
 }