686 lines
19 KiB
C#
686 lines
19 KiB
C#
using System;
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using System.Collections.Generic;
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using Server.Network;
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using Server.Targeting;
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namespace Server.Items
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{
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[Flippable(0x1E5E, 0x1E5F)]
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public class BulletinBoard : BaseBulletinBoard
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{
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[Constructible]
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public BulletinBoard() : base(0x1E5E)
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{
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}
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public BulletinBoard(Serial serial) : base(serial)
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{
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}
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public override void Serialize(IGenericWriter writer)
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{
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base.Serialize(writer);
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writer.Write(0); // version
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}
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public override void Deserialize(IGenericReader reader)
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{
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base.Deserialize(reader);
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var version = reader.ReadInt();
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}
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}
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public abstract class BaseBulletinBoard : Item
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{
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// Threads will be removed six hours after the last post was made
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private static readonly TimeSpan ThreadDeletionTime = TimeSpan.FromHours(6.0);
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// A player may only create a thread once every two minutes
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private static readonly TimeSpan ThreadCreateTime = TimeSpan.FromMinutes(2.0);
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// A player may only reply once every thirty seconds
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private static readonly TimeSpan ThreadReplyTime = TimeSpan.FromSeconds(30.0);
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public BaseBulletinBoard(int itemID) : base(itemID)
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{
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BoardName = "bulletin board";
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Movable = false;
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}
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public BaseBulletinBoard(Serial serial) : base(serial)
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{
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}
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[CommandProperty(AccessLevel.GameMaster)]
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public string BoardName { get; set; }
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public static bool CheckTime(DateTime time, TimeSpan range) => time + range < DateTime.UtcNow;
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public static string FormatTS(TimeSpan ts)
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{
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var totalSeconds = (int)ts.TotalSeconds;
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var seconds = totalSeconds % 60;
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var minutes = totalSeconds / 60;
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if (minutes != 0 && seconds != 0)
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{
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return $"{minutes} minute{(minutes == 1 ? "" : "s")} and {seconds} second{(seconds == 1 ? "" : "s")}";
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}
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if (minutes != 0)
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{
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return $"{minutes} minute{(minutes == 1 ? "" : "s")}";
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}
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return $"{seconds} second{(seconds == 1 ? "" : "s")}";
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}
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public virtual void Cleanup()
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{
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var items = Items;
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for (var i = items.Count - 1; i >= 0; --i)
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{
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if (i >= items.Count)
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{
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continue;
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}
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if (!(items[i] is BulletinMessage msg))
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{
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continue;
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}
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if (msg.Thread == null && CheckTime(msg.LastPostTime, ThreadDeletionTime))
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{
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msg.Delete();
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RecurseDelete(msg); // A root-level thread has expired
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}
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}
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}
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private void RecurseDelete(BulletinMessage msg)
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{
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var found = new List<Item>();
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var items = Items;
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for (var i = items.Count - 1; i >= 0; --i)
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{
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if (i >= items.Count)
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{
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continue;
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}
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if (!(items[i] is BulletinMessage check))
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{
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continue;
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}
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if (check.Thread == msg)
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{
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check.Delete();
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found.Add(check);
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}
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}
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for (var i = 0; i < found.Count; ++i)
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{
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RecurseDelete((BulletinMessage)found[i]);
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}
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}
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public virtual bool GetLastPostTime(Mobile poster, bool onlyCheckRoot, ref DateTime lastPostTime)
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{
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var items = Items;
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var wasSet = false;
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for (var i = 0; i < items.Count; ++i)
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{
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if (!(items[i] is BulletinMessage msg) || msg.Poster != poster)
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{
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continue;
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}
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if (onlyCheckRoot && msg.Thread != null)
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{
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continue;
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}
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if (msg.Time > lastPostTime)
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{
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wasSet = true;
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lastPostTime = msg.Time;
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}
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}
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return wasSet;
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}
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public override void OnDoubleClick(Mobile from)
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{
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if (CheckRange(from))
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{
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Cleanup();
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var state = from.NetState;
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state.Send(new BBDisplayBoard(this));
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if (state.ContainerGridLines)
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{
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state.Send(new ContainerContent6017(from, this));
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}
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else
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{
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state.Send(new ContainerContent(from, this));
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}
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}
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else
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{
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from.LocalOverheadMessage(MessageType.Regular, 0x3B2, 1019045); // I can't reach that.
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}
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}
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public virtual bool CheckRange(Mobile from)
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{
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if (from.AccessLevel >= AccessLevel.GameMaster)
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{
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return true;
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}
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return from.Map == Map && from.InRange(GetWorldLocation(), 2);
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}
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public void PostMessage(Mobile from, BulletinMessage thread, string subject, string[] lines)
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{
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if (thread != null)
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{
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thread.LastPostTime = DateTime.UtcNow;
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}
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AddItem(new BulletinMessage(from, thread, subject, lines));
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}
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public override void Serialize(IGenericWriter writer)
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{
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base.Serialize(writer);
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writer.Write(0); // version
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writer.Write(BoardName);
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}
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public override void Deserialize(IGenericReader reader)
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{
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base.Deserialize(reader);
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var version = reader.ReadInt();
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switch (version)
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{
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case 0:
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{
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BoardName = reader.ReadString();
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break;
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}
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}
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}
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public static void Initialize()
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{
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PacketHandlers.Register(0x71, 0, true, BBClientRequest);
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}
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public static void BBClientRequest(NetState state, PacketReader reader)
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{
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var from = state.Mobile;
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int packetID = reader.ReadByte();
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if (!(World.FindItem(reader.ReadUInt32()) is BaseBulletinBoard board) || !board.CheckRange(from))
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{
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return;
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}
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switch (packetID)
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{
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case 3:
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BBRequestContent(from, board, reader);
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break;
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case 4:
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BBRequestHeader(from, board, reader);
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break;
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case 5:
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BBPostMessage(from, board, reader);
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break;
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case 6:
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BBRemoveMessage(from, board, reader);
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break;
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}
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}
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public static void BBRequestContent(Mobile from, BaseBulletinBoard board, PacketReader reader)
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{
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if (!(World.FindItem(reader.ReadUInt32()) is BulletinMessage msg) || msg.Parent != board)
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{
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return;
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}
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from.Send(new BBMessageContent(board, msg));
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}
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public static void BBRequestHeader(Mobile from, BaseBulletinBoard board, PacketReader reader)
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{
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if (!(World.FindItem(reader.ReadUInt32()) is BulletinMessage msg) || msg.Parent != board)
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{
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return;
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}
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from.Send(new BBMessageHeader(board, msg));
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}
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public static void BBPostMessage(Mobile from, BaseBulletinBoard board, PacketReader reader)
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{
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var thread = World.FindItem(reader.ReadUInt32()) as BulletinMessage;
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if (thread != null && thread.Parent != board)
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{
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thread = null;
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}
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var breakout = 0;
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while (thread?.Thread != null && breakout++ < 10)
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{
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thread = thread.Thread;
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}
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var lastPostTime = DateTime.MinValue;
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if (board.GetLastPostTime(from, thread == null, ref lastPostTime))
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{
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if (!CheckTime(lastPostTime, thread == null ? ThreadCreateTime : ThreadReplyTime))
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{
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if (thread == null)
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{
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from.SendMessage("You must wait {0} before creating a new thread.", FormatTS(ThreadCreateTime));
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}
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else
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{
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from.SendMessage("You must wait {0} before replying to another thread.", FormatTS(ThreadReplyTime));
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}
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return;
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}
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}
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var subject = reader.ReadUTF8StringSafe(reader.ReadByte());
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if (subject.Length == 0)
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{
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return;
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}
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var lines = new string[reader.ReadByte()];
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if (lines.Length == 0)
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{
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return;
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}
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for (var i = 0; i < lines.Length; ++i)
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{
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lines[i] = reader.ReadUTF8StringSafe(reader.ReadByte());
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}
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board.PostMessage(from, thread, subject, lines);
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}
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public static void BBRemoveMessage(Mobile from, BaseBulletinBoard board, PacketReader reader)
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{
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if (!(World.FindItem(reader.ReadUInt32()) is BulletinMessage msg) || msg.Parent != board)
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{
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return;
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}
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if (from.AccessLevel < AccessLevel.GameMaster && msg.Poster != from)
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{
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return;
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}
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msg.Delete();
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}
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}
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public struct BulletinEquip
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{
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public int itemID;
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public int hue;
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public BulletinEquip(int itemID, int hue)
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{
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this.itemID = itemID;
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this.hue = hue;
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}
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}
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public class BulletinMessage : Item
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{
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public BulletinMessage(Mobile poster, BulletinMessage thread, string subject, string[] lines) : base(0xEB0)
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{
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Movable = false;
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Poster = poster;
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Subject = subject;
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Time = DateTime.UtcNow;
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LastPostTime = Time;
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Thread = thread;
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PostedName = Poster.Name;
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PostedBody = Poster.Body;
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PostedHue = Poster.Hue;
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Lines = lines;
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var list = new List<BulletinEquip>();
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for (var i = 0; i < poster.Items.Count; ++i)
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{
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var item = poster.Items[i];
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if (item.Layer >= Layer.OneHanded && item.Layer <= Layer.Mount)
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{
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list.Add(new BulletinEquip(item.ItemID, item.Hue));
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}
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}
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PostedEquip = list.ToArray();
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}
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public BulletinMessage(Serial serial) : base(serial)
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{
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}
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public Mobile Poster { get; private set; }
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public BulletinMessage Thread { get; private set; }
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public string Subject { get; private set; }
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public DateTime Time { get; private set; }
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public DateTime LastPostTime { get; set; }
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public string PostedName { get; private set; }
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public int PostedBody { get; private set; }
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public int PostedHue { get; private set; }
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public BulletinEquip[] PostedEquip { get; private set; }
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public string[] Lines { get; private set; }
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public string GetTimeAsString() => Time.ToString("MMM dd, yyyy");
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public override bool CheckTarget(Mobile from, Target targ, object targeted) => false;
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public override bool IsAccessibleTo(Mobile check) => false;
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public override void Serialize(IGenericWriter writer)
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{
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base.Serialize(writer);
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writer.Write(1); // version
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writer.Write(Poster);
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writer.Write(Subject);
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writer.Write(Time);
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writer.Write(LastPostTime);
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writer.Write(Thread != null);
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writer.Write(Thread);
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writer.Write(PostedName);
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writer.Write(PostedBody);
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writer.Write(PostedHue);
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writer.Write(PostedEquip.Length);
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for (var i = 0; i < PostedEquip.Length; ++i)
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{
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writer.Write(PostedEquip[i].itemID);
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writer.Write(PostedEquip[i].hue);
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}
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writer.Write(Lines.Length);
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for (var i = 0; i < Lines.Length; ++i)
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{
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writer.Write(Lines[i]);
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}
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}
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public override void Deserialize(IGenericReader reader)
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{
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base.Deserialize(reader);
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var version = reader.ReadInt();
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switch (version)
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{
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case 1:
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case 0:
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{
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Poster = reader.ReadMobile();
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Subject = reader.ReadString();
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Time = reader.ReadDateTime();
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LastPostTime = reader.ReadDateTime();
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var hasThread = reader.ReadBool();
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Thread = reader.ReadItem() as BulletinMessage;
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PostedName = reader.ReadString();
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PostedBody = reader.ReadInt();
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PostedHue = reader.ReadInt();
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PostedEquip = new BulletinEquip[reader.ReadInt()];
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for (var i = 0; i < PostedEquip.Length; ++i)
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{
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PostedEquip[i].itemID = reader.ReadInt();
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PostedEquip[i].hue = reader.ReadInt();
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}
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Lines = new string[reader.ReadInt()];
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for (var i = 0; i < Lines.Length; ++i)
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{
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Lines[i] = reader.ReadString();
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}
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if (hasThread && Thread == null)
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{
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Delete();
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}
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if (version == 0)
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{
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ValidationQueue<BulletinMessage>.Add(this);
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}
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break;
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}
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}
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}
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public void Validate()
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{
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if ((Parent as BulletinBoard)?.Items.Contains(this) == false)
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{
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Delete();
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}
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}
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}
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public class BBDisplayBoard : Packet
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{
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public BBDisplayBoard(BaseBulletinBoard board) : base(0x71)
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{
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EnsureCapacity(38);
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var buffer = Utility.UTF8.GetBytes(board.BoardName ?? "");
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Stream.Write((byte)0x00); // PacketID
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Stream.Write(board.Serial); // Bulletin board serial
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// Bulletin board name
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if (buffer.Length >= 29)
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{
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Stream.Write(buffer, 0, 29);
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Stream.Write((byte)0);
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}
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else
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{
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Stream.Write(buffer, 0, buffer.Length);
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Stream.Fill(30 - buffer.Length);
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}
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}
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}
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public class BBMessageHeader : Packet
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{
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public BBMessageHeader(BaseBulletinBoard board, BulletinMessage msg) : base(0x71)
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{
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var poster = SafeString(msg.PostedName);
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var subject = SafeString(msg.Subject);
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var time = SafeString(msg.GetTimeAsString());
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EnsureCapacity(22 + poster.Length + subject.Length + time.Length);
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Stream.Write((byte)0x01); // PacketID
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Stream.Write(board.Serial); // Bulletin board serial
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Stream.Write(msg.Serial); // Message serial
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var thread = msg.Thread;
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if (thread == null)
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{
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Stream.Write(0); // Thread serial--root
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}
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else
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{
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Stream.Write(thread.Serial); // Thread serial--parent
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}
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WriteString(poster);
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WriteString(subject);
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WriteString(time);
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}
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public void WriteString(string v)
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{
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var buffer = Utility.UTF8.GetBytes(v);
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var len = buffer.Length + 1;
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if (len > 255)
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{
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len = 255;
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}
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Stream.Write((byte)len);
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Stream.Write(buffer, 0, len - 1);
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Stream.Write((byte)0);
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}
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public string SafeString(string v) => v ?? string.Empty;
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}
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public class BBMessageContent : Packet
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{
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public BBMessageContent(BaseBulletinBoard board, BulletinMessage msg) : base(0x71)
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{
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var poster = SafeString(msg.PostedName);
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var subject = SafeString(msg.Subject);
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var time = SafeString(msg.GetTimeAsString());
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EnsureCapacity(22 + poster.Length + subject.Length + time.Length);
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Stream.Write((byte)0x02); // PacketID
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Stream.Write(board.Serial); // Bulletin board serial
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Stream.Write(msg.Serial); // Message serial
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WriteString(poster);
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WriteString(subject);
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WriteString(time);
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Stream.Write((short)msg.PostedBody);
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Stream.Write((short)msg.PostedHue);
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var len = msg.PostedEquip.Length;
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if (len > 255)
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{
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len = 255;
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}
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Stream.Write((byte)len);
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for (var i = 0; i < len; ++i)
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{
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var eq = msg.PostedEquip[i];
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Stream.Write((short)eq.itemID);
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Stream.Write((short)eq.hue);
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}
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len = msg.Lines.Length;
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if (len > 255)
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{
|
|
len = 255;
|
|
}
|
|
|
|
Stream.Write((byte)len);
|
|
|
|
for (var i = 0; i < len; ++i)
|
|
{
|
|
WriteString(msg.Lines[i], true);
|
|
}
|
|
}
|
|
|
|
public void WriteString(string v)
|
|
{
|
|
WriteString(v, false);
|
|
}
|
|
|
|
public void WriteString(string v, bool padding)
|
|
{
|
|
var buffer = Utility.UTF8.GetBytes(v);
|
|
var tail = padding ? 2 : 1;
|
|
var len = buffer.Length + tail;
|
|
|
|
if (len > 255)
|
|
{
|
|
len = 255;
|
|
}
|
|
|
|
Stream.Write((byte)len);
|
|
Stream.Write(buffer, 0, len - tail);
|
|
|
|
if (padding)
|
|
{
|
|
Stream.Write((short)0); // padding compensates for a client bug
|
|
}
|
|
else
|
|
{
|
|
Stream.Write((byte)0);
|
|
}
|
|
}
|
|
|
|
public string SafeString(string v)
|
|
{
|
|
if (v == null)
|
|
{
|
|
return string.Empty;
|
|
}
|
|
|
|
return v;
|
|
}
|
|
}
|
|
}
|