trunk/dist/game/data/scripts/handlers/effecthandlers/Fishing.java

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+/*
+ * Copyright (C) 2004-2014 L2J DataPack
+ * 
+ * This file is part of L2J DataPack.
+ * 
+ * L2J DataPack is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * L2J DataPack is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package handlers.effecthandlers;
+
+import com.l2jserver.Config;
+import com.l2jserver.gameserver.GeoData;
+import com.l2jserver.gameserver.instancemanager.ZoneManager;
+import com.l2jserver.gameserver.model.PcCondOverride;
+import com.l2jserver.gameserver.model.StatsSet;
+import com.l2jserver.gameserver.model.actor.L2Character;
+import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
+import com.l2jserver.gameserver.model.conditions.Condition;
+import com.l2jserver.gameserver.model.effects.AbstractEffect;
+import com.l2jserver.gameserver.model.effects.L2EffectType;
+import com.l2jserver.gameserver.model.itemcontainer.Inventory;
+import com.l2jserver.gameserver.model.items.L2Weapon;
+import com.l2jserver.gameserver.model.items.instance.L2ItemInstance;
+import com.l2jserver.gameserver.model.items.type.EtcItemType;
+import com.l2jserver.gameserver.model.items.type.WeaponType;
+import com.l2jserver.gameserver.model.skills.BuffInfo;
+import com.l2jserver.gameserver.model.zone.L2ZoneType;
+import com.l2jserver.gameserver.model.zone.ZoneId;
+import com.l2jserver.gameserver.model.zone.type.L2FishingZone;
+import com.l2jserver.gameserver.model.zone.type.L2WaterZone;
+import com.l2jserver.gameserver.network.SystemMessageId;
+import com.l2jserver.gameserver.util.Util;
+import com.l2jserver.util.Rnd;
+
+/**
+ * Fishing effect implementation.
+ * @author UnAfraid
+ */
+public final class Fishing extends AbstractEffect
+{
+	private static final int MIN_BAIT_DISTANCE = 90;
+	private static final int MAX_BAIT_DISTANCE = 250;
+	
+	public Fishing(Condition attachCond, Condition applyCond, StatsSet set, StatsSet params)
+	{
+		super(attachCond, applyCond, set, params);
+	}
+	
+	@Override
+	public boolean isInstant()
+	{
+		return true;
+	}
+	
+	@Override
+	public L2EffectType getEffectType()
+	{
+		return L2EffectType.FISHING_START;
+	}
+	
+	@Override
+	public void onStart(BuffInfo info)
+	{
+		final L2Character activeChar = info.getEffector();
+		if (!activeChar.isPlayer())
+		{
+			return;
+		}
+		
+		final L2PcInstance player = activeChar.getActingPlayer();
+		
+		if (!Config.ALLOWFISHING && !player.canOverrideCond(PcCondOverride.SKILL_CONDITIONS))
+		{
+			player.sendMessage("Fishing is disabled!");
+			return;
+		}
+		
+		if (player.isFishing())
+		{
+			if (player.getFishCombat() != null)
+			{
+				player.getFishCombat().doDie(false);
+			}
+			else
+			{
+				player.endFishing(false);
+			}
+			
+			player.sendPacket(SystemMessageId.YOUR_ATTEMPT_AT_FISHING_HAS_BEEN_CANCELLED);
+			return;
+		}
+		
+		// check for equiped fishing rod
+		L2Weapon equipedWeapon = player.getActiveWeaponItem();
+		if (((equipedWeapon == null) || (equipedWeapon.getItemType() != WeaponType.FISHINGROD)))
+		{
+			player.sendPacket(SystemMessageId.YOU_DO_NOT_HAVE_A_FISHING_POLE_EQUIPPED);
+			return;
+		}
+		
+		// check for equiped lure
+		L2ItemInstance equipedLeftHand = player.getInventory().getPaperdollItem(Inventory.PAPERDOLL_LHAND);
+		if ((equipedLeftHand == null) || (equipedLeftHand.getItemType() != EtcItemType.LURE))
+		{
+			player.sendPacket(SystemMessageId.YOU_MUST_PUT_BAIT_ON_YOUR_HOOK_BEFORE_YOU_CAN_FISH);
+			return;
+		}
+		
+		if (!player.isGM())
+		{
+			if (player.isInBoat())
+			{
+				player.sendPacket(SystemMessageId.YOU_CANNOT_FISH_WHEN_TRANSFORMED_OR_WHILE_RIDING_AS_A_PASSENGER_OF_A_BOAT_IT_S_AGAINST_THE_RULES);
+				return;
+			}
+			
+			if (player.isInCraftMode() || player.isInStoreMode())
+			{
+				player.sendPacket(SystemMessageId.YOU_CANNOT_FISH_WHILE_USING_A_RECIPE_BOOK_PRIVATE_WORKSHOP_OR_PRIVATE_STORE);
+				return;
+			}
+			
+			if (player.isInsideZone(ZoneId.WATER))
+			{
+				player.sendPacket(SystemMessageId.YOU_CANNOT_FISH_WHILE_UNDER_WATER);
+				return;
+			}
+		}
+		
+		// calculate a position in front of the player with a random distance
+		int distance = Rnd.get(MIN_BAIT_DISTANCE, MAX_BAIT_DISTANCE);
+		final double angle = Util.convertHeadingToDegree(player.getHeading());
+		final double radian = Math.toRadians(angle);
+		final double sin = Math.sin(radian);
+		final double cos = Math.cos(radian);
+		int baitX = (int) (player.getX() + (cos * distance));
+		int baitY = (int) (player.getY() + (sin * distance));
+		
+		// search for fishing and water zone
+		L2FishingZone fishingZone = null;
+		L2WaterZone waterZone = null;
+		for (final L2ZoneType zone : ZoneManager.getInstance().getZones(baitX, baitY))
+		{
+			if (zone instanceof L2FishingZone)
+			{
+				fishingZone = (L2FishingZone) zone;
+			}
+			else if (zone instanceof L2WaterZone)
+			{
+				waterZone = (L2WaterZone) zone;
+			}
+			
+			if ((fishingZone != null) && (waterZone != null))
+			{
+				break;
+			}
+		}
+		
+		int baitZ = computeBaitZ(player, baitX, baitY, fishingZone, waterZone);
+		if (baitZ == Integer.MIN_VALUE)
+		{
+			for (distance = MAX_BAIT_DISTANCE; distance >= MIN_BAIT_DISTANCE; --distance)
+			{
+				baitX = (int) (player.getX() + (cos * distance));
+				baitY = (int) (player.getY() + (sin * distance));
+				
+				// search for fishing and water zone again
+				fishingZone = null;
+				waterZone = null;
+				for (final L2ZoneType zone : ZoneManager.getInstance().getZones(baitX, baitY))
+				{
+					if (zone instanceof L2FishingZone)
+					{
+						fishingZone = (L2FishingZone) zone;
+					}
+					else if (zone instanceof L2WaterZone)
+					{
+						waterZone = (L2WaterZone) zone;
+					}
+					
+					if ((fishingZone != null) && (waterZone != null))
+					{
+						break;
+					}
+				}
+				
+				baitZ = computeBaitZ(player, baitX, baitY, fishingZone, waterZone);
+				if (baitZ != Integer.MIN_VALUE)
+				{
+					break;
+				}
+			}
+			
+			if (baitZ == Integer.MIN_VALUE)
+			{
+				if (player.isGM())
+				{
+					baitZ = player.getZ();
+				}
+				else
+				{
+					player.sendPacket(SystemMessageId.YOU_CAN_T_FISH_HERE);
+					return;
+				}
+			}
+		}
+		
+		if (!player.destroyItem("Fishing", equipedLeftHand, 1, null, false))
+		{
+			player.sendPacket(SystemMessageId.YOU_DO_NOT_HAVE_ENOUGH_BAIT);
+			return;
+		}
+		
+		player.setLure(equipedLeftHand);
+		player.startFishing(baitX, baitY, baitZ);
+	}
+	
+	/**
+	 * Computes the Z of the bait.
+	 * @param player the player
+	 * @param baitX the bait x
+	 * @param baitY the bait y
+	 * @param fishingZone the fishing zone
+	 * @param waterZone the water zone
+	 * @return the bait z or {@link Integer#MIN_VALUE} when you cannot fish here
+	 */
+	private static int computeBaitZ(final L2PcInstance player, final int baitX, final int baitY, final L2FishingZone fishingZone, final L2WaterZone waterZone)
+	{
+		if ((fishingZone == null))
+		{
+			return Integer.MIN_VALUE;
+		}
+		
+		if ((waterZone == null))
+		{
+			return Integer.MIN_VALUE;
+		}
+		
+		// always use water zone, fishing zone high z is high in the air...
+		int baitZ = waterZone.getWaterZ();
+		
+		if (!GeoData.getInstance().canSeeTarget(player.getX(), player.getY(), player.getZ(), baitX, baitY, baitZ))
+		{
+			return Integer.MIN_VALUE;
+		}
+		
+		if (GeoData.getInstance().hasGeo(baitX, baitY))
+		{
+			if (GeoData.getInstance().getHeight(baitX, baitY, baitZ) > baitZ)
+			{
+				return Integer.MIN_VALUE;
+			}
+			
+			if (GeoData.getInstance().getHeight(baitX, baitY, player.getZ()) > baitZ)
+			{
+				return Integer.MIN_VALUE;
+			}
+		}
+		
+		return baitZ;
+	}
+}