SendItemOnInterface.java

package com.osroyale.net.packet.out;
 
import com.osroyale.game.world.InterfaceConstants;
import com.osroyale.game.world.entity.mob.player.Player;
import com.osroyale.game.world.items.Item;
import com.osroyale.net.packet.OutgoingPacket;
import com.osroyale.net.packet.PacketType;

 
public class SendItemOnInterface extends OutgoingPacket {
 
    private final int id;
    private final Item[] items;
    private final int[] tabAmounts;
 
    public SendItemOnInterface(int id) {
        this(id, null, new Item[]{});
    }
 
    public SendItemOnInterface(int id, Item... items) {
        this(id, null, items);
    }
 
    public SendItemOnInterface(int id, int[] tabAmounts, Item... items) {
        super(53, PacketType.VAR_SHORT);
        this.id = id;
        this.items = items;
        this.tabAmounts = tabAmounts;
    }
 
    @Override
    public boolean encode(Player player) {
        final boolean sendTabs = id == InterfaceConstants.WITHDRAW_BANK && tabAmounts != null;
        builder.writeInt(id)
                .writeShort(items.length)
                .writeShort(sendTabs ? tabAmounts.length : 0);
        for (final Item item : items) {
            if (item != null) {
                final int amount = item.getAmount();
                if (amount > 254) {
                    builder.writeByte(255)
                            .writeInt(amount);
                } else {
                    builder.writeByte(amount);
                }
                builder.writeShort(item.getId() + 1);
            } else {
                builder.writeByte(0)
                        .writeShort(0);
            }
        }
 
        if (sendTabs) {
            for (final int amount : tabAmounts) {
                builder.writeInt(amount);
            }
        }
        return true;
    }
}