SendItemOnInterfaceSlot.java

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package com.runehive.net.packet.out;
 
import com.runehive.game.world.entity.mob.player.Player;
import com.runehive.game.world.items.Item;
import com.runehive.net.packet.OutgoingPacket;
import com.runehive.net.packet.PacketType;
 
public class SendItemOnInterfaceSlot extends OutgoingPacket {
    private final int interfaceId;
    private final Item item;
    private final int slot;
    
    public SendItemOnInterfaceSlot(int interfaceId, int item, int slot) {
        this(interfaceId, new Item(item, 1), slot);
    }
    
    public SendItemOnInterfaceSlot(int interfaceId, int item, int amount, int slot) {
        this(interfaceId, new Item(item, amount), slot);
    }
 
    public SendItemOnInterfaceSlot(int interfaceId, Item item, int slot) {
        super(34, PacketType.VAR_SHORT);
        this.interfaceId = interfaceId;
        this.item = item;
        this.slot = slot;
    }
 
    @Override
    public boolean encode(Player player) {
        builder.writeShort(interfaceId);
        builder.writeShort(slot);
        if (item == null) {
            builder.writeShort(0);
            builder.writeByte(0);
        } else {
            builder.writeShort(item.getId() + 1);
            final int amount = item.getAmount();
            if (amount > 254) {
                builder.writeByte(255);
                builder.writeInt(amount);
            } else {
                builder.writeByte(amount);
            }
        }
        return true;
    }
 
}