PetPacket.java

package tools.packet;

import client.MapleCharacter;
import client.MapleStat;
import client.inventory.Item;
import client.inventory.MaplePet;
import handling.SendPacketOpcode;
import java.awt.Point;
import java.util.List;
import server.movement.LifeMovementFragment;
import tools.data.output.MaplePacketLittleEndianWriter;

public class PetPacket {

    /**
     * 召唤宠物更新道具栏道具状态
     * @param pet
     * @param item
     * @param active
     * @return
     */
    public static byte[] updatePet(MaplePet pet, Item item, boolean active) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.write(SendPacketOpcode.MODIFY_INVENTORY_ITEM.getValue());
        mplew.write(0);
        mplew.write(1); // 道具数量+1？

        mplew.write(3);
        mplew.write(pet.getType()); // 1-5之间
        mplew.writeShort(pet.getInventoryPosition()); // 位置

        mplew.writeShort(pet.getInventoryPosition());
        PacketHelper.addItemInfo(mplew, item);

        return mplew.getPacket();
    }

    public static byte[] showPetPickUpMsg(boolean canPickup, int pets) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.write(SendPacketOpcode.PET_PICKUP_MSG.getValue());
        mplew.write(canPickup ? 1 : 0);
        mplew.write(pets);

        return mplew.getPacket();
    }

    public static byte[] showPetAutoEatMsg() {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.write(SendPacketOpcode.PET_AUTO_EAT_MSG.getValue());

        return mplew.getPacket();
    }

    public static byte[] showPet(MapleCharacter chr, MaplePet pet, boolean remove, boolean hunger) {
        return showPet(chr, pet, remove, hunger, false);
    }

    /**
     * 召唤宠物
     * @param chr
     * @param pet
     * @param remove
     * @param hunger
     * @param show
     * @return
     */
    public static byte[] showPet(MapleCharacter chr, MaplePet pet, boolean remove, boolean hunger, boolean show) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        // mplew.write(show ? SendPacketOpcode.SHOW_PET.getValue() : SendPacketOpcode.SPAWN_PET.getValue());
        mplew.write(SendPacketOpcode.SPAWN_PET.getValue());
        mplew.writeInt(chr.getId());
        mplew.write(remove ? 0 : 1);
        if (!remove) {
            addPetInfo(mplew, chr, pet, false);
        } else {
            mplew.write(hunger ? 1 : 0);  // 1-肚子饿回家了；2-宠物到期变成娃娃
        }

        return mplew.getPacket();
    }

    /**
     * 添加宠物信息
     * @param mplew
     * @param chr
     * @param pet
     * @param showpet
     */
    public static void addPetInfo(MaplePacketLittleEndianWriter mplew, MapleCharacter chr, MaplePet pet, boolean showpet) {
        if (showpet) {
            mplew.write(1);
        }
        mplew.writeInt(pet.getPetItemId());
        mplew.writeMapleAsciiString(pet.getName());
        mplew.writeLong(pet.getUniqueId());
        mplew.writePos(pet.getPos());
        mplew.write(pet.getStance());
        mplew.writeShort(pet.getFh()); // 宠物饥饿度？
    }

    /**
     * 宠物移动
     * @param chrId
     * @param slot
     * @param startPos
     * @param moves
     * @return
     */
    public static byte[] movePet(int chrId, int slot, Point startPos, List<LifeMovementFragment> moves) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.write(SendPacketOpcode.MOVE_PET.getValue());
        mplew.writeInt(chrId);
        PacketHelper.serializeMovementList(mplew, moves);

        mplew.write(0); // 防止38，囧

        return mplew.getPacket();
    }

    public static byte[] petChat(int chaId, int un, String text, byte slot) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.write(SendPacketOpcode.PET_CHAT.getValue());
        mplew.writeInt(chaId);
        mplew.writeInt(slot);
        mplew.writeShort(un);
        mplew.writeMapleAsciiString(text);
        return mplew.getPacket();
    }

    public static byte[] commandResponse(int chrId, byte command, boolean success, boolean food) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.write(SendPacketOpcode.PET_COMMAND.getValue());
        mplew.writeInt(chrId);
        mplew.write(food ? 2 : 1);
        if (food) {
            mplew.write(success ? 1 : 0);
            mplew.writeInt(0);
        } else {
            mplew.write(command);
            mplew.writeShort(0);
        }
        return mplew.getPacket();
    }

    public static byte[] showOwnPetLevelUp() {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.write(SendPacketOpcode.SHOW_SPECIAL_EFFECT.getValue());
        mplew.write(0x7);
        mplew.write(0);
        mplew.writeZero(3);

        return mplew.getPacket();
    }

    public static byte[] showPetLevelUp(MapleCharacter chr) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.write(SendPacketOpcode.SHOW_FOREIGN_EFFECT.getValue());
        mplew.writeInt(chr.getId());
        mplew.write(6);
        mplew.write(0);
        mplew.writeZero(3);

        return mplew.getPacket();
    }

    public static byte[] loadExceptionList(MapleCharacter chr, MaplePet pet) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.write(SendPacketOpcode.PET_EXCEPTION_LIST.getValue());
        mplew.writeInt(chr.getId());
        mplew.writeInt(0);
        mplew.writeLong(pet.getUniqueId());
        List excluded = pet.getExcluded();
        mplew.write(excluded.size());
        for (Object excluded1 : excluded) {
            mplew.writeInt(((Integer) excluded1));
        }

        return mplew.getPacket();
    }

    public static byte[] petStatUpdate(MapleCharacter chr) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

        mplew.write(SendPacketOpcode.UPDATE_STATS.getValue());
        mplew.write(0);
        mplew.writeLong(MapleStat.宠物.getValue());
        MaplePet pets = chr.getSpawnPets();
            if (pets != null) {
                mplew.writeLong(pets.getUniqueId());
            } else {
                mplew.writeLong(0L);
            }
        mplew.write(0);
        mplew.writeShort(0);

        return mplew.getPacket();
    }
}