ModernUO/Projects/Server.Tests/Tests/Network/Packets/Outgoing/ItemPackets.cs

using Server.Items;

namespace Server.Network;

public sealed class WorldItem : Packet
{
    public WorldItem(Item item) : base(0x1A)
    {
        EnsureCapacity(20);

        // 14 base length
        // +2 - Amount
        // +2 - Hue
        // +1 - Flags

        var serial = item.Serial.Value;
        var itemID = item.ItemID & 0x3FFF;
        var amount = item.Amount;
        var loc = item.Location;
        var x = loc.X;
        var y = loc.Y;
        var hue = item.Hue;
        var flags = item.GetPacketFlags();
        var direction = (int)item.Direction;

        if (amount != 0)
        {
            serial |= 0x80000000;
        }
        else
        {
            serial &= 0x7FFFFFFF;
        }

        Stream.Write(serial);

        if (item is BaseMulti)
        {
            Stream.Write((short)(itemID | 0x4000));
        }
        else
        {
            Stream.Write((short)itemID);
        }

        if (amount != 0)
        {
            Stream.Write((short)amount);
        }

        x &= 0x7FFF;

        if (direction != 0)
        {
            x |= 0x8000;
        }

        Stream.Write((short)x);

        y &= 0x3FFF;

        if (hue != 0)
        {
            y |= 0x8000;
        }

        if (flags != 0)
        {
            y |= 0x4000;
        }

        Stream.Write((short)y);

        if (direction != 0)
        {
            Stream.Write((byte)direction);
        }

        Stream.Write((sbyte)loc.Z);

        if (hue != 0)
        {
            Stream.Write((ushort)hue);
        }

        if (flags != 0)
        {
            Stream.Write((byte)flags);
        }
    }
}

public sealed class WorldItemSA : Packet
{
    public WorldItemSA(Item item) : base(0xF3, 24)
    {
        Stream.Write((short)0x1);

        var itemID = item.ItemID;

        if (item is BaseMulti)
        {
            Stream.Write((byte)0x02);

            Stream.Write(item.Serial);

            itemID &= 0x3FFF;

            Stream.Write((short)itemID);

            Stream.Write((byte)0);
        }
        else
        {
            Stream.Write((byte)0x00);

            Stream.Write(item.Serial);

            itemID &= 0x7FFF;

            Stream.Write((short)itemID);

            Stream.Write((byte)0);
        }

        var amount = item.Amount;
        Stream.Write((short)amount);
        Stream.Write((short)amount);

        var loc = item.Location;
        Stream.Write((short)loc.X);
        Stream.Write((short)loc.Y);
        Stream.Write((sbyte)loc.Z);

        Stream.Write((byte)item.Light);
        Stream.Write((short)item.Hue);
        Stream.Write((byte)item.GetPacketFlags());
    }
}

public sealed class WorldItemHS : Packet
{
    public WorldItemHS(Item item) : base(0xF3, 26)
    {
        Stream.Write((short)0x1);

        var itemID = item.ItemID;

        if (item is BaseMulti)
        {
            Stream.Write((byte)0x02);

            Stream.Write(item.Serial);

            itemID &= 0x3FFF;

            Stream.Write((ushort)itemID);

            Stream.Write((byte)0);
        }
        else
        {
            Stream.Write((byte)0x00);

            Stream.Write(item.Serial);

            itemID &= 0xFFFF;

            Stream.Write((ushort)itemID);

            Stream.Write((byte)0);
        }

        var amount = item.Amount;
        Stream.Write((short)amount);
        Stream.Write((short)amount);

        var loc = item.Location;
        Stream.Write((short)loc.X);
        Stream.Write((short)loc.Y);
        Stream.Write((sbyte)loc.Z);

        Stream.Write((byte)item.Light);
        Stream.Write((short)item.Hue);
        Stream.Write((byte)item.GetPacketFlags());

        Stream.Write((short)0x00); // ??
    }
}

public sealed class OPLInfo : Packet
{
    /*public OPLInfo( ObjectPropertyList list ) : base( 0xBF )
    {
      EnsureCapacity( 13 );

      m_Stream.Write( (short) 0x10 );
      m_Stream.Write( (int) list.Entity.Serial );
      m_Stream.Write( (int) list.Hash );
    }*/

    public OPLInfo(Serial serial, int hash) : base(0xDC, 9)
    {
        Stream.Write(serial);
        Stream.Write(hash);
    }
}