Grappling Hook

Plugins/Mineplex.Core.Common/src/mineplex/core/common/util/UtilEnt.java

@@ -1,13 +1,10 @@
 package mineplex.core.common.util;
 
 import java.lang.reflect.Field;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.Map;
 
 import net.minecraft.server.v1_8_R3.AxisAlignedBB;
 import net.minecraft.server.v1_8_R3.EntityArrow;
@@ -1073,7 +1070,7 @@ public class UtilEnt
 		return ((CraftEntity) entity).getHandle().inWater;
 	}
 
-	public static void registerEntityType(Class<? extends net.minecraft.server.v1_8_R3.Entity> customClass, EntityType entityType, String name) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException, NoSuchFieldException
+	public static void registerEntityType(Class<? extends net.minecraft.server.v1_8_R3.Entity> customClass, EntityType entityType, String name)
 	{
 		EntityTypes.getNameToClassMap().remove(name);
 		EntityTypes.getIdToClassMap().remove((int) entityType.getTypeId());

Plugins/Mineplex.Core/src/mineplex/core/gadget/GadgetManager.java

@@ -142,6 +142,7 @@ import mineplex.core.gadget.gadgets.item.ItemClacker;
 import mineplex.core.gadget.gadgets.item.ItemCoal;
 import mineplex.core.gadget.gadgets.item.ItemCoinBomb;
 import mineplex.core.gadget.gadgets.item.ItemConnect4;
+import mineplex.core.gadget.gadgets.item.ItemGrapplingHook;
 import mineplex.core.gadget.gadgets.item.ItemDuelingSword;
 import mineplex.core.gadget.gadgets.item.ItemEtherealPearl;
 import mineplex.core.gadget.gadgets.item.ItemFirework;
@@ -585,6 +586,7 @@ public class GadgetManager extends MiniPlugin
 		addGadget(new ItemMaryPoppins(this));
 		addGadget(new ItemClacker(this));
 		addGadget(new ItemSortal(this));
+		addGadget(new ItemGrapplingHook(this));
 
 		// Costume
 		addGadget(new OutfitRaveSuitHelmet(this));

Plugins/Mineplex.Core/src/mineplex/core/gadget/gadgets/balloons/BalloonEntity.java

@@ -79,6 +79,6 @@ public class BalloonEntity extends EntitySlime
 
 	public boolean isPartOfEntity(Entity entity)
 	{
-		return entity.equals(this) || entity.equals(_host);
+		return entity.equals(this.getBukkitEntity()) || entity.equals(_host);
 	}
 }

Plugins/Mineplex.Core/src/mineplex/core/gadget/gadgets/item/ItemGrapplingHook.java

@@ -0,0 +1,141 @@
+package mineplex.core.gadget.gadgets.item;
+
+import java.time.Month;
+import java.time.YearMonth;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.TimeUnit;
+
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.Sound;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.player.PlayerToggleSneakEvent;
+import org.bukkit.util.Vector;
+
+import mineplex.core.common.Pair;
+import mineplex.core.common.util.C;
+import mineplex.core.common.util.F;
+import mineplex.core.common.util.UtilAlg;
+import mineplex.core.common.util.UtilMath;
+import mineplex.core.common.util.UtilParticle;
+import mineplex.core.common.util.UtilParticle.ParticleType;
+import mineplex.core.common.util.UtilParticle.ViewDist;
+import mineplex.core.common.util.UtilPlayer;
+import mineplex.core.common.util.UtilServer;
+import mineplex.core.common.util.UtilTime;
+import mineplex.core.common.util.particles.effects.LineParticle;
+import mineplex.core.gadget.GadgetManager;
+import mineplex.core.gadget.types.ItemGadget;
+import mineplex.core.gadget.util.CostConstants;
+import mineplex.core.updater.UpdateType;
+import mineplex.core.updater.event.UpdateEvent;
+
+public class ItemGrapplingHook extends ItemGadget
+{
+
+	private static final long TIMEOUT = TimeUnit.SECONDS.toMillis(5);
+
+	private final Map<Player, Pair<Location, Long>> _targets;
+
+	public ItemGrapplingHook(GadgetManager manager)
+	{
+		super(manager, "Grappling Hook", new String[]
+				{
+						C.cGray + "Fly through the skies like",
+						C.cGray + "a kite!"
+				}, CostConstants.POWERPLAY_BONUS, Material.IRON_BARDING, (byte) 0, 1000, null);
+
+		_targets = new HashMap<>();
+
+		Free = false;
+		setPPCYearMonth(YearMonth.of(2018, Month.SEPTEMBER));
+	}
+
+	@Override
+	public void ActivateCustom(Player player)
+	{
+		Block block = UtilPlayer.getTarget(player, null, 75);
+
+		if (block == null)
+		{
+			player.sendMessage(F.main(Manager.getName(), "You missed your " + F.name(getName()) + "."));
+			return;
+		}
+
+		player.getWorld().playSound(player.getLocation(), Sound.SHOOT_ARROW, 0.5F, 1);
+		player.sendMessage(F.main(Manager.getName(), "You shot your " + F.name(getName()) + ". Sneak to cancel."));
+		attachHook(player, block.getLocation().add(0.5, 0.5, 0.5));
+	}
+
+	@Override
+	public void disableCustom(Player player, boolean message)
+	{
+		super.disableCustom(player, message);
+
+		detachHook(player);
+	}
+
+	private void attachHook(Player player, Location target)
+	{
+		detachHook(player);
+
+		Location start = player.getLocation().add(0, 1, 0);
+
+		LineParticle particle = new LineParticle(start, target, null, 0.5, UtilMath.offset(start, target),ParticleType.CLOUD, UtilServer.getPlayers());
+
+		while (!particle.update())
+		{
+		}
+
+		_targets.put(player, Pair.create(target, System.currentTimeMillis()));
+	}
+
+	private void detachHook(Player player)
+	{
+		if (_targets.remove(player) != null)
+		{
+			player.getWorld().playSound(player.getLocation(), Sound.SKELETON_IDLE, 0.5F, 1);
+		}
+	}
+
+	@EventHandler
+	public void updateHooks(UpdateEvent event)
+	{
+		if (event.getType() != UpdateType.TICK)
+		{
+			return;
+		}
+
+		_targets.entrySet().removeIf(entry ->
+		{
+			Player player = entry.getKey();
+			Pair<Location, Long> pair = entry.getValue();
+
+			Location target = pair.getLeft();
+			Location location = player.getLocation().add(0, 0.3, 0);
+
+			if (UtilTime.elapsed(pair.getRight(), TIMEOUT) || UtilMath.offsetSquared(location, target) < 9)
+			{
+				return true;
+			}
+
+			Vector direction = UtilAlg.getTrajectory(location, target).multiply(1.2);
+
+			player.setVelocity(direction.setY(direction.getY() + 0.1));
+			UtilParticle.PlayParticleToAll(ParticleType.CLOUD, location, null, 0, 2, ViewDist.NORMAL);
+			return false;
+		});
+	}
+
+	@EventHandler(ignoreCancelled = true)
+	public void playerSneak(PlayerToggleSneakEvent event)
+	{
+		if (event.isSneaking())
+		{
+			detachHook(event.getPlayer());
+		}
+	}
+}

Plugins/Mineplex.Core/src/mineplex/core/powerplayclub/PowerPlayClubRewards.java

@@ -53,6 +53,7 @@ public class PowerPlayClubRewards
 			.put(YearMonth.of(2018, Month.JUNE), new UnknownSalesPackageItem("Chicken Taunt"))
 			.put(YearMonth.of(2018, Month.JULY), new UnknownSalesPackageItem("Clacker Boomerang"))
 			.put(YearMonth.of(2018, Month.AUGUST), new UnknownSalesPackageItem("Gate of Babylon"))
+			.put(YearMonth.of(2018, Month.SEPTEMBER), new UnknownSalesPackageItem("Grappling Hook"))
 			.build();
 
 	public interface PowerPlayClubItem