Unleash the Kraken!

Changelog.txt

@@ -19,6 +19,7 @@ Version 1.4.06-dev
  + Added new permission node for /ptp; mcmmo.commands.ptp.send (enabled by default)
  + Added configurable cooldown and warmup times when using /ptp
  + Added a new Party item share category "Misc" which contains a list of configurable items. (By default all tools and armor)
+ + Added fishing exploit prevention
  = Fixed bug where players were able to join the same party multiple times
  = Fixed displaying partial names when trying to use /ptp
  = Fixed wolves from Call of the Wild only having 8 health

src/main/java/com/gmail/nossr50/listeners/PlayerListener.java

@@ -177,6 +177,12 @@ public class PlayerListener implements Listener {
 
         switch (event.getState()) {
             case FISHING:
+                event.setCancelled(fishingManager.exploitPrevention());
+
+                if (event.isCancelled()) {
+                    return;
+                }
+
                 if (fishingManager.canMasterAngler()) {
                     fishingManager.masterAngler(event.getHook());
                 }

src/main/java/com/gmail/nossr50/runnables/skills/KrakenAttackTask.java

@@ -0,0 +1,28 @@
+package com.gmail.nossr50.runnables.skills;
+
+import org.bukkit.entity.Player;
+import org.bukkit.entity.Squid;
+import org.bukkit.scheduler.BukkitRunnable;
+
+public class KrakenAttackTask extends BukkitRunnable {
+    private Squid kraken;
+    private Player player;
+
+    public KrakenAttackTask(Squid kraken, Player player) {
+        this.kraken = kraken;
+        this.player = player;
+    }
+
+    @Override
+    public void run() {
+        if (!player.isDead()) {
+            kraken.teleport(player);
+            player.damage(1, kraken);
+            player.getWorld().strikeLightningEffect(player.getLocation());
+        }
+        else {
+            kraken.remove();
+            this.cancel();
+        }
+    }
+}

src/main/java/com/gmail/nossr50/skills/fishing/FishingManager.java

@@ -4,12 +4,17 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 
+import org.bukkit.ChatColor;
+import org.bukkit.Location;
 import org.bukkit.Material;
+import org.bukkit.WeatherType;
+import org.bukkit.World;
 import org.bukkit.block.Biome;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Entity;
+import org.bukkit.entity.EntityType;
 import org.bukkit.entity.Fish;
 import org.bukkit.entity.Item;
 import org.bukkit.entity.LivingEntity;
@@ -17,7 +22,9 @@ import org.bukkit.entity.Player;
 import org.bukkit.entity.Sheep;
 import org.bukkit.entity.Skeleton;
 import org.bukkit.entity.Skeleton.SkeletonType;
+import org.bukkit.entity.Squid;
 import org.bukkit.event.player.PlayerFishEvent;
+import org.bukkit.event.player.PlayerTeleportEvent.TeleportCause;
 import org.bukkit.inventory.ItemStack;
 
 import com.gmail.nossr50.mcMMO;
@@ -30,6 +37,7 @@ import com.gmail.nossr50.datatypes.treasure.FishingTreasure;
 import com.gmail.nossr50.datatypes.treasure.ShakeTreasure;
 import com.gmail.nossr50.events.fake.FakePlayerFishEvent;
 import com.gmail.nossr50.locale.LocaleLoader;
+import com.gmail.nossr50.runnables.skills.KrakenAttackTask;
 import com.gmail.nossr50.skills.SkillManager;
 import com.gmail.nossr50.skills.fishing.Fishing.Tier;
 import com.gmail.nossr50.util.ItemUtils;
@@ -39,10 +47,23 @@ import com.gmail.nossr50.util.skills.CombatUtils;
 import com.gmail.nossr50.util.skills.SkillUtils;
 
 public class FishingManager extends SkillManager {
+    private final long FISHING_COOLDOWN_SECONDS = 5000L;
+
+    private int fishingTries = 1;
+    private long fishingTimestamp = 0L;
+
     public FishingManager(McMMOPlayer mcMMOPlayer) {
         super(mcMMOPlayer, SkillType.FISHING);
     }
 
+    public void incrementTries() {
+        fishingTries++;
+    }
+
+    public void setTimestamp() {
+        fishingTimestamp = (System.currentTimeMillis() / Misc.TIME_CONVERSION_FACTOR);
+    }
+
     public boolean canShake(Entity target) {
         return target instanceof LivingEntity && getSkillLevel() >= AdvancedConfig.getInstance().getShakeUnlockLevel() && Permissions.shake(getPlayer());
     }
@@ -51,6 +72,45 @@ public class FishingManager extends SkillManager {
         return Permissions.masterAngler(getPlayer());
     }
 
+    private boolean unleashTheKraken() {
+        if (fishingTries < 50 || fishingTries <= Misc.getRandom().nextInt(200)) {
+            return false;
+        }
+
+        Player player = getPlayer();
+        World world = player.getWorld();
+
+        player.setPlayerWeather(WeatherType.DOWNFALL);
+        player.teleport(player.getTargetBlock(null, 100).getLocation(), TeleportCause.PLUGIN);
+
+        Location location = player.getLocation();
+
+        world.strikeLightningEffect(location);
+        world.strikeLightningEffect(location);
+        world.strikeLightningEffect(location);
+        player.sendMessage("THE KRAKEN HAS BEEN UNLEASHED!");
+        mcMMO.p.getServer().broadcastMessage(player.getDisplayName() + ChatColor.RED + "has unleashed the kraken!");
+
+        Squid kraken = (Squid) world.spawnEntity(player.getEyeLocation(), EntityType.SQUID);
+        kraken.setCustomName("The Kraken");
+        kraken.setMaxHealth(kraken.getMaxHealth() * 5);
+        kraken.setHealth(kraken.getMaxHealth());
+        player.setItemInHand(null);
+
+        new KrakenAttackTask(kraken, player).runTaskTimer(mcMMO.p, 20L, 20L);
+        fishingTries = 1;
+        return true;
+    }
+
+    public boolean exploitPrevention() {
+        long currentTime = System.currentTimeMillis();
+        boolean hasFished = currentTime < fishingTimestamp + FISHING_COOLDOWN_SECONDS;
+
+        fishingTries = hasFished ? fishingTries + 1 : fishingTries - 1;
+        fishingTimestamp = currentTime;
+        return unleashTheKraken();
+    }
+
     public boolean canIceFish(Block block) {
         if (getSkillLevel() < AdvancedConfig.getInstance().getIceFishingUnlockLevel()) {
             return false;

src/main/java/com/gmail/nossr50/util/MobHealthbarUtils.java

@@ -50,6 +50,14 @@ public final class MobHealthbarUtils {
         }
 
         String oldName = target.getCustomName();
+
+        if (oldName == null) {
+            oldName = "";
+        }
+        else if (oldName.equalsIgnoreCase("The Kraken")) {
+            return;
+        }
+
         boolean oldNameVisible = target.isCustomNameVisible();
         String newName = createHealthDisplay(profile, target, damage);
 
@@ -59,10 +67,6 @@ public final class MobHealthbarUtils {
         int displayTime = Config.getInstance().getMobHealthbarTime();
 
         if (displayTime != -1) {
-            if (oldName == null) {
-                oldName = "";
-            }
-
             boolean updateName = !ChatColor.stripColor(oldName).equalsIgnoreCase(ChatColor.stripColor(newName));
 
             if (updateName) {