Implement island max walking range from spawnpoint

src/main/java/wtf/beatrice/limbomanager/LimboManager.java

@@ -54,6 +54,7 @@ public class LimboManager extends JavaPlugin {
 
         // start location check runnable
         Cache.locationCheckRunnable = new LocationCheckRunnable();
+        Cache.locationCheckRunnable.setDistanceMax(configuration.getInt("sizing.allowed-range"));
         Cache.locationCheckRunnable.task = Bukkit.getScheduler().runTaskTimerAsynchronously(this, Cache.locationCheckRunnable, 10L, 5L);
 
     }

src/main/java/wtf/beatrice/limbomanager/objects/LocationCheckRunnable.java

@@ -16,7 +16,7 @@ public class LocationCheckRunnable implements Runnable
     public BukkitTask task;
 
     List<Player> playersToCheck = new ArrayList<>();
-    private final static int distanceMax = 100;
+    private int distanceMax = 100; //just a default value
 
 
     // we give players a distanceMax block range to move in.
@@ -44,23 +44,34 @@ public class LocationCheckRunnable implements Runnable
 
         Location playerLocation = player.getLocation();
 
-        Coordinates playerIslandCoordinates = Cache.playerIslands.get(player.getName());
+        int spawnOffsetX = Cache.getConfiguration().getInt("island.spawn-offset.x");
+        int spawnOffsetZ = Cache.getConfiguration().getInt("island.spawn-offset.z");
 
-        int distanceX = Math.abs(playerLocation.getBlockX() - playerIslandCoordinates.getX());
-        int distanceZ = Math.abs(playerLocation.getBlockZ() - playerIslandCoordinates.getZ());
 
+        // we are copying the object because otherwise we'd be directly editing the reference in the hashmap
+        // and causing a lot of trouble by moving the spawnpoint itself.
+        Coordinates islandSpawnCoordinates = new Coordinates(Cache.playerIslands.get(player.getName()));
+
+        islandSpawnCoordinates.setX(islandSpawnCoordinates.getX() + spawnOffsetX);
+        islandSpawnCoordinates.setZ(islandSpawnCoordinates.getZ() + spawnOffsetZ);
+
+
+        // calculate absolute distance from spawnpoint
+        int distanceX = Math.abs(playerLocation.getBlockX() - islandSpawnCoordinates.getX());
+        int distanceZ = Math.abs(playerLocation.getBlockZ() - islandSpawnCoordinates.getZ());
+
+        // check if player is inside bounds
         if(distanceX > distanceMax || distanceZ > distanceMax)
         {
             LocationUtils.teleportToOwnIsland(player);
-            player.sendMessage("Out of island limits");
-        }
+            player.sendMessage("Out of bounds");
+
 
+        }
+    }
 
+    public void setDistanceMax(int distanceMax)
+    {
+        this.distanceMax = distanceMax;
     }
 }
-
-
-
-// 1500 1000
-// 1000 1000
-// 700 1000