ModernUO/Projects/UOContent/Items/Misc/BulletinBoards.cs
2020-10-17 22:04:44 -07:00

686 lines
19 KiB
C#

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