Server/src/engine/net/client/msg/UpdateGoldMsg.java

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//      Magicbane Emulator Project © 2013 - 2022
//                www.magicbane.com


package engine.net.client.msg;

import engine.Enum.GameObjectType;
import engine.exception.SerializationException;
import engine.net.AbstractConnection;
import engine.net.ByteBufferReader;
import engine.net.ByteBufferWriter;
import engine.net.client.Protocol;
import engine.objects.AbstractWorldObject;
import engine.objects.CharacterItemManager;
import engine.objects.Item;
import engine.objects.PlayerCharacter;

/**
 * Update gold in inventory and/or bank
 *
 * @author Eighty
 */

public class UpdateGoldMsg extends ClientNetMsg {

    CharacterItemManager itemManager;
    private AbstractWorldObject looter;
    private Item goldInventory;
    private Item goldBank;
    private int tradeGold = 0;


    /**
     * This is the general purpose constructor
     */
    public UpdateGoldMsg(AbstractWorldObject player) {
        super(Protocol.UPDATEGOLDVALUE);
        this.looter = player;
    }


    /**
     * This is the general purpose constructor
     */
    public UpdateGoldMsg() {
        super(Protocol.UPDATEGOLDVALUE);
    }

    /**
     * This constructor is used by NetMsgFactory. It attempts to deserialize the
     * ByteBuffer into a message. If a BufferUnderflow occurs (based on reading
     * past the limit) then this constructor Throws that Exception to the
     * caller.
     */
    public UpdateGoldMsg(AbstractConnection origin,
                         ByteBufferReader reader) {
        super(Protocol.UPDATEGOLDVALUE, origin, reader);
    }

    /**
     * Deserializes the subclass specific items to the supplied NetMsgWriter.
     */
    @Override
    protected void _deserialize(ByteBufferReader reader) {

    }

    // Pre-cache and set values so they are available when we
    // serialize the data.

    public void configure() {

        if (this.looter != null && this.looter.getObjectType() == GameObjectType.PlayerCharacter) {
            itemManager = ((PlayerCharacter) looter).charItemManager;
            goldInventory = itemManager.getGoldInventory();
            this.tradeGold = itemManager.getGoldTrading();
            goldBank = itemManager.getGoldBank();
        } else {
            itemManager = null;
            goldInventory = null;
            goldBank = null;
        }
    }

    /**
     * Serializes the subclass specific items from the supplied NetMsgReader.
     */
    @Override
    protected void _serialize(ByteBufferWriter writer)
            throws SerializationException {

        if (looter == null) {
            writer.putInt(0);
            writer.putInt(0);
        } else {
            writer.putInt(looter.getObjectType().ordinal());
            writer.putInt(looter.getObjectUUID());
        }

        if (goldInventory != null && goldInventory.getNumOfItems() - this.tradeGold > 0) {
            writer.put((byte) 1);
            Item.serializeForClientMsgWithoutSlot(goldInventory, writer);
        } else
            writer.put((byte) 0);

        if (goldBank != null && goldBank.getNumOfItems() != 0) {
            writer.put((byte) 1);
            Item.serializeForClientMsgWithoutSlot(goldBank, writer);
        } else
            writer.put((byte) 0);
    }

}