sweetgum83/src/main/java/net/server/channel/handlers/SkillBookHandler.java
2024-01-19 03:56:28 -05:00

104 lines
4.2 KiB
Java

/*
This file is part of the OdinMS Maple Story Server
Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
Matthias Butz <matze@odinms.de>
Jan Christian Meyer <vimes@odinms.de>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation version 3 as published by
the Free Software Foundation. You may not use, modify or distribute
this program under any other version of the GNU Affero General Public
License.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.server.channel.handlers;
import client.Character;
import client.Client;
import client.Skill;
import client.SkillFactory;
import client.inventory.Inventory;
import client.inventory.InventoryType;
import client.inventory.Item;
import client.inventory.manipulator.InventoryManipulator;
import net.AbstractPacketHandler;
import net.packet.InPacket;
import server.ItemInformationProvider;
import tools.PacketCreator;
import java.util.Map;
public final class SkillBookHandler extends AbstractPacketHandler {
@Override
public final void handlePacket(InPacket p, Client c) {
if (!c.getPlayer().isAlive()) {
c.sendPacket(PacketCreator.enableActions());
return;
}
p.readInt();
short slot = p.readShort();
int itemId = p.readInt();
boolean canuse;
boolean success = false;
int skill = 0;
int maxlevel = 0;
Character player = c.getPlayer();
if (c.tryacquireClient()) {
try {
Inventory inv = c.getPlayer().getInventory(InventoryType.USE);
Item toUse = inv.getItem(slot);
if (toUse == null || toUse.getItemId() != itemId) {
return;
}
Map<String, Integer> skilldata = ItemInformationProvider.getInstance().getSkillStats(toUse.getItemId(), c.getPlayer().getJob().getId());
if (skilldata == null) {
return;
}
Skill skill2 = SkillFactory.getSkill(skilldata.get("skillid"));
if (skilldata.get("skillid") == 0) {
canuse = false;
} else if ((player.getSkillLevel(skill2) >= skilldata.get("reqSkillLevel") || skilldata.get("reqSkillLevel") == 0) && player.getMasterLevel(skill2) < skilldata.get("masterLevel")) {
inv.lockInventory();
try {
Item used = inv.getItem(slot);
if (used != toUse || toUse.getQuantity() < 1) { // thanks ClouD for noticing skillbooks not being usable when stacked
return;
}
InventoryManipulator.removeFromSlot(c, InventoryType.USE, slot, (short) 1, false);
} finally {
inv.unlockInventory();
}
canuse = true;
if (ItemInformationProvider.rollSuccessChance(skilldata.get("success"))) {
success = true;
player.changeSkillLevel(skill2, player.getSkillLevel(skill2), Math.max(skilldata.get("masterLevel"), player.getMasterLevel(skill2)), -1);
} else {
success = false;
//player.dropMessage("The skill book lights up, but the skill winds up as if nothing happened.");
}
} else {
canuse = false;
}
} finally {
c.releaseClient();
}
// thanks Vcoc for noting skill book result not showing for all in area
player.getMap().broadcastMessage(PacketCreator.skillBookResult(player, skill, maxlevel, canuse, success));
}
}
}