Added a check to make sure center locations are valid with builders

BG-Software-LLC · Oct 1, 2022 · d0e901d · d0e901d
1 parent ad5b1c8
commit d0e901d
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/main/java/com/bgsoftware/superiorskyblock/island/builder/IslandBuilderImpl.java b/src/main/java/com/bgsoftware/superiorskyblock/island/builder/IslandBuilderImpl.java
@@ -114,7 +114,7 @@ public Island.Builder setUniqueId(UUID uuid) {
     @Override
     public Island.Builder setCenter(Location center) {
         Preconditions.checkNotNull(center, "center parameter cannot be null.");
-        // TODO: Make sure center is a valid location
+        Preconditions.checkState(isValidCenter(center), "The provided center is not centered.");
         this.center = center;
         return this;
     }
@@ -459,5 +459,10 @@ public Island build() {
         return plugin.getFactory().createIsland(this);
     }
 
+    private static boolean isValidCenter(Location center) {
+        int maxIslandSize = plugin.getSettings().getMaxIslandSize() * 3;
+        return center.getBlockX() % maxIslandSize == 0 && center.getBlockZ() % maxIslandSize == 0 &&
+                plugin.getGrid().getIslandAt(center) == null;
+    }
 
 }