fix worldguard hook errors

src/main/java/me/youhavetrouble/preventstabby/PreventStabby.java

@@ -25,6 +25,7 @@ public final class PreventStabby extends JavaPlugin {
     private PlayerManager playerManager;
     private DatabaseSQLite sqLite;
     private SmartCache smartCache;
+    private static boolean worldGuardHook;
 
     @Override
     public void onEnable() {
@@ -45,7 +46,7 @@ public final class PreventStabby extends JavaPlugin {
         smartCache.runSmartCache();
 
         // Register listeners
-        Reflections reflections = new Reflections(new String[]{"me.youhavetrouble.preventstabby"});
+        Reflections reflections = new Reflections((Object[]) new String[]{"me.youhavetrouble.preventstabby"});
         Set<Class<?>> listenerClasses = reflections.getTypesAnnotatedWith(PreventStabbyListener.class);
         listenerClasses.forEach((listener)-> {
             try {
@@ -71,11 +72,18 @@ public final class PreventStabby extends JavaPlugin {
 
         try {
             WorldGuardHook.init();
-        } catch (NoClassDefFoundError ignored) {}
+            worldGuardHook = true;
+        } catch (NoClassDefFoundError e) {
+            worldGuardHook = false;
+        }
 
         Metrics metrics = new Metrics(this, 10597);
     }
 
+    public static boolean worldGuardHookEnabled() {
+        return worldGuardHook;
+    }
+
     public void reloadPluginConfig() {
         configCache = new ConfigCache();
     }

src/main/java/me/youhavetrouble/preventstabby/hooks/WorldGuardHook.java

@@ -20,7 +20,6 @@ public class WorldGuardHook {
 
     private static FlagRegistry flagRegistry;
     public static StateFlag FORCE_PVP_FLAG;
-    private static boolean enabled = false;
 
     public static void init() {
         PreventStabby plugin = PreventStabby.getPlugin();
@@ -31,13 +30,11 @@ public class WorldGuardHook {
             plugin.getLogger().info("Hooking into WorldGuard");
             flagRegistry = WorldGuard.getInstance().getFlagRegistry();
             createForcePvpFlag(plugin);
-            enabled = true;
         } catch (NoClassDefFoundError | ClassNotFoundException ignored) {
         }
     }
 
     private static void createForcePvpFlag(Plugin plugin) {
-        if (!enabled) return;
         if (flagRegistry == null) return;
         String flagName = "preventstabby-force-pvp";
         try {
@@ -55,7 +52,6 @@ public class WorldGuardHook {
     }
 
     public static boolean isPlayerForcedToPvp(Player player) {
-        if (!enabled) return false;
         RegionContainer container = WorldGuard.getInstance().getPlatform().getRegionContainer();
         RegionQuery query = container.createQuery();
         org.bukkit.Location loc = player.getLocation();
@@ -64,8 +60,4 @@ public class WorldGuardHook {
         return set.testState(localPlayer, FORCE_PVP_FLAG);
     }
 
-    public static boolean isHooked() {
-        return enabled;
-    }
-
 }

src/main/java/me/youhavetrouble/preventstabby/players/PlayerManager.java

@@ -112,24 +112,25 @@ public class PlayerManager {
     public boolean canDamage(UUID attacker, UUID victim, boolean sendDenyMessage, boolean checkVictimSpawnProtection) {
 
         if (hasLoginProtection(attacker) || hasTeleportProtection(attacker)) return false;
-
         if (checkVictimSpawnProtection && hasLoginProtection(victim)) return false;
-
         if (checkVictimSpawnProtection && hasTeleportProtection(victim)) return false;
 
         SmartCache smartCache = PreventStabby.getPlugin().getSmartCache();
 
-        Player attackerPlayer = Bukkit.getPlayer(attacker);
-        Player victimPlayer = Bukkit.getPlayer(victim);
+        if (!smartCache.getPlayerData(attacker).isPvpEnabled()) {
+            Player attackerPlayer = Bukkit.getPlayer(attacker);
+            if (PreventStabby.worldGuardHookEnabled() && WorldGuardHook.isPlayerForcedToPvp(attackerPlayer)) return true;
 
-        if (!smartCache.getPlayerData(attacker).isPvpEnabled() && (attackerPlayer != null && !isInForcedPvpRegion(attackerPlayer))) {
             if (sendDenyMessage) {
                 ConfigCache config = PreventStabby.getPlugin().getConfigCache();
                 PluginMessages.sendActionBar(attacker, config.getCannot_attack_attacker());
             }
             return false;
         }
-        if (!smartCache.getPlayerData(victim).isPvpEnabled() && (victimPlayer != null && !isInForcedPvpRegion(victimPlayer))) {
+        if (!smartCache.getPlayerData(victim).isPvpEnabled()) {
+            Player victimPlayer = Bukkit.getPlayer(victim);
+            if (PreventStabby.worldGuardHookEnabled() && WorldGuardHook.isPlayerForcedToPvp(victimPlayer)) return true;
+
             if (sendDenyMessage) {
                 ConfigCache config = PreventStabby.getPlugin().getConfigCache();
                 PluginMessages.sendActionBar(attacker, config.getCannot_attack_victim());
@@ -157,9 +158,4 @@ public class PlayerManager {
         return Instant.now().getEpochSecond() < smartCache.getPlayerData(uuid).getTeleportTimestamp();
     }
 
-    public boolean isInForcedPvpRegion(Player player) {
-        if (!WorldGuardHook.isHooked()) return false;
-        return WorldGuardHook.isPlayerForcedToPvp(player);
-    }
-
 }