Added API to enable offset for limits.

src/main/java/world/bentobox/limits/Settings.java

@@ -110,7 +110,7 @@ public class Settings {
     }
 
     /**
-     * @return the limits
+     * @return the entity limits
      */
     public Map<EntityType, Integer> getLimits() {
         return Collections.unmodifiableMap(limits);

src/main/java/world/bentobox/limits/commands/LimitsCalc.java

@@ -76,7 +76,7 @@ public class LimitsCalc {
         });
 
     }
-    
+
 
 
     private void asyncScan(World world2, Pair<Integer, Integer> c) {
@@ -141,7 +141,7 @@ public class LimitsCalc {
 
     private void tidyUp() {
         if (ibc == null) {
-            ibc = new IslandBlockCount();
+            ibc = new IslandBlockCount(island.getUniqueId(), plugin.getIWM().getAddon(world).map(a -> a.getDescription().getName()).orElse("default"));
         }
         ibc.setBlockCounts(blockCount.entrySet().stream()
                 .collect(Collectors.toMap(

src/main/java/world/bentobox/limits/listeners/EntityLimitListener.java

@@ -220,7 +220,6 @@ public class EntityLimitListener implements Listener {
         addon.getIslands().getIslandAt(e.getLocation()).ifPresent(island -> {
             // Check if creature is allowed to spawn or not
             AtLimitResult res = atLimit(island, e);
-
             if (bypass || island.isSpawn() || !res.hit()) {
                 // Allowed
                 if (async) {
@@ -433,6 +432,7 @@ public class EntityLimitListener implements Listener {
             .forEach(group -> groupsLimits.put(group, group.getLimit()));
         }
         if (limitAmount < 0 && groupsLimits.isEmpty()) return new AtLimitResult();
+
         // We have to count the entities
         if (limitAmount >= 0)
         {
@@ -440,10 +440,10 @@ public class EntityLimitListener implements Listener {
                     .filter(e -> e.getType().equals(ent.getType()))
                     .filter(e -> island.inIslandSpace(e.getLocation()))
                     .count();
-            if (count >= limitAmount)
+            if (count >= limitAmount) {
                 return new AtLimitResult(ent.getType(), limitAmount);
+            }
         }
-
         // Merge in any permission-based limits
         if (addon.getBlockLimitListener().getIsland(island.getUniqueId()) != null) {
             Map<String, EntityGroup> groupbyname = groupsLimits.keySet().stream().collect(Collectors.toMap(e -> e.getName(), e -> e));
@@ -451,7 +451,6 @@ public class EntityLimitListener implements Listener {
             .filter(e -> groupbyname.containsKey(e.getKey()))
             .forEach(e -> groupsLimits.put(groupbyname.get(e.getKey()), e.getValue()));
         }
-
         // Now do the group limits
         for (Map.Entry<Settings.EntityGroup, Integer> group : groupsLimits.entrySet()) { //do not use lambda
             if (group.getValue() < 0)

src/main/java/world/bentobox/limits/objects/IslandBlockCount.java

@@ -29,7 +29,7 @@ public class IslandBlockCount implements DataObject {
     private Map<Material, Integer> blockCounts = new EnumMap<>(Material.class);
 
     private boolean changed;
-    
+
     /**
      * Permission based limits
      */
@@ -39,9 +39,12 @@ public class IslandBlockCount implements DataObject {
     private Map<EntityType, Integer> entityLimits = new EnumMap<>(EntityType.class);
     @Expose
     private Map<String, Integer> entityGroupLimits = new HashMap<>();
-
+    @Expose
-    // Required for YAML database
+    private Map<Material, Integer> blockLimitsOffset = new EnumMap<>(Material.class);
-    public IslandBlockCount() {}
+    @Expose
+    private Map<EntityType, Integer> entityLimitsOffset = new EnumMap<>(EntityType.class);
+    @Expose
+    private Map<String, Integer> entityGroupLimitsOffset = new HashMap<>();
 
     /**
      * Create an island block count object
@@ -131,7 +134,7 @@ public class IslandBlockCount implements DataObject {
      */
     public boolean isAtLimit(Material m) {
         // Check island limits first
-        return blockLimits.containsKey(m) && blockCounts.getOrDefault(m, 0) >= blockLimits.get(m);
+        return blockLimits.containsKey(m) && blockCounts.getOrDefault(m, 0) >= getBlockLimit(m);
     }
 
     public boolean isBlockLimited(Material m) {
@@ -159,7 +162,7 @@ public class IslandBlockCount implements DataObject {
      * @return limit or -1 for unlimited
      */
     public Integer getBlockLimit(Material m) {
-        return blockLimits.getOrDefault(m, -1);
+        return blockLimits.getOrDefault(m, -1) + getBlockLimitsOffset().getOrDefault(m, 0);
     }
 
     /**
@@ -222,7 +225,7 @@ public class IslandBlockCount implements DataObject {
      * @return limit or -1 for unlimited
      */
     public int getEntityLimit(EntityType t) {
-        return entityLimits.getOrDefault(t, -1);
+        return entityLimits.getOrDefault(t, -1) + getEntityLimitsOffset().getOrDefault(t, 0);
     }
 
     /**
@@ -232,7 +235,7 @@ public class IslandBlockCount implements DataObject {
         entityLimits.clear();
         setChanged();
     }
-    
+
     /**
      * @return the entityGroupLimits
      */
@@ -247,7 +250,7 @@ public class IslandBlockCount implements DataObject {
         this.entityGroupLimits = entityGroupLimits;
         setChanged();
     }
-    
+
     /**
      * Set an island-specific entity group limit
      * @param name - entity group
@@ -257,16 +260,16 @@ public class IslandBlockCount implements DataObject {
         entityGroupLimits.put(name, limit);
         setChanged();
     }
-    
+
     /**
      * Get the limit for an entity group
      * @param name - entity group
      * @return limit or -1 for unlimited
      */
     public int getEntityGroupLimit(String name) {
-        return entityGroupLimits.getOrDefault(name, -1);
+        return entityGroupLimits.getOrDefault(name, -1) + getEntityLimitsOffset().getOrDefault(name, 0);
     }
-    
+
     /**
      * Clear all island-specific entity group limits
      */
@@ -288,11 +291,68 @@ public class IslandBlockCount implements DataObject {
     public void setChanged(boolean changed) {
         this.changed = changed;
     }
-    
+
     /**
      * Mark changed
      */
     public void setChanged() {
         this.changed = true;
     }
+
+    /**
+     * @return the blockLimitsOffset
+     */
+    public Map<Material, Integer> getBlockLimitsOffset() {
+        if (blockLimitsOffset == null) {
+            blockLimitsOffset = new EnumMap<>(Material.class);
+        }
+        return blockLimitsOffset;
+    }
+
+    /**
+     * Set an offset to a block limit. This will increase/decrease the value of the limit.
+     * @param m material
+     * @param blockLimitsOffset the blockLimitsOffset to set
+     */
+    public void setBlockLimitsOffset(Material m, Integer blockLimitsOffset) {
+        getBlockLimitsOffset().put(m, blockLimitsOffset);
+    }
+
+    /**
+     * @return the entityLimitsOffset
+     */
+    public Map<EntityType, Integer> getEntityLimitsOffset() {
+        if (entityLimitsOffset == null) {
+            entityLimitsOffset = new EnumMap<>(EntityType.class);
+        }
+        return entityLimitsOffset;
+    }
+
+    /**
+     * Set an offset to an entity limit. This will increase/decrease the value of the limit.
+     * @param t Entity Type
+     * @param entityLimitsOffset the entityLimitsOffset to set
+     */
+    public void setEntityLimitsOffset(EntityType t, Integer entityLimitsOffset) {
+        this.getEntityLimitsOffset().put(t, entityLimitsOffset);
+    }
+
+    /**
+     * @return the entityGroupLimitsOffset
+     */
+    public Map<String, Integer> getEntityGroupLimitsOffset() {
+        if (entityGroupLimitsOffset == null) {
+            entityGroupLimitsOffset = new HashMap<>();
+        }
+        return entityGroupLimitsOffset;
+    }
+
+    /**
+     * Set an offset to an entity group limit. This will increase/decrease the value of the limit.
+     * @param name group name
+     * @param entityGroupLimitsOffset the entityGroupLimitsOffset to set
+     */
+    public void setEntityGroupLimitsOffset(String name, Integer entityGroupLimitsOffset) {
+        getEntityGroupLimitsOffset().put(name, entityGroupLimitsOffset);
+    }
 }