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Give ChatBots access to plugin channels.

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Chatbots may find it useful to send messages over plugin channels.  This allows REGISTERing, UNREGISTERing, and sending over plugin channels, with built-in checking if the server also registered the channel (which can be disabled by the bot if needed). Unused channels are UNREGISTERed when a bot is disabled.
This commit is contained in:
Pokechu22 2016-02-07 14:24:01 -08:00
parent bdbd8ab0b8
commit 1ea8f119d9
5 changed files with 215 additions and 3 deletions
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117
MinecraftClient/McTcpClient.cs
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@ -28,9 +28,21 @@ namespace MinecraftClient
private readonly List<ChatBot> bots = new List<ChatBot>();
private static readonly List<ChatBots.Script> scripts_on_hold = new List<ChatBots.Script>();
public void BotLoad(ChatBot b) { b.SetHandler(this); bots.Add(b); b.Initialize(); Settings.SingleCommand = ""; }
public void BotUnLoad(ChatBot b) { bots.RemoveAll(item => object.ReferenceEquals(item, b)); }
public void BotUnLoad(ChatBot b) {
bots.RemoveAll(item => object.ReferenceEquals(item, b));
// ToList is needed to avoid an InvalidOperationException from modfiying the list while it's being iterated upon.
var botRegistrations = registeredBotPluginChannels.Where(entry => entry.Value.Contains(b)).ToList();
foreach (var entry in botRegistrations)
{
UnregisterPluginChannel(entry.Key, b);
}
}
public void BotClear() { bots.Clear(); }
private readonly Dictionary<string, List<ChatBot>> registeredBotPluginChannels = new Dictionary<string, List<ChatBot>>();
private readonly List<string> registeredServerPluginChannels = new List<String>();
private object locationLock = new object();
private bool locationReceived = false;
private World world = new World();
@ -573,5 +585,108 @@ namespace MinecraftClient
return onlinePlayers.Values.Distinct().ToArray();
}
}
/// <summary>
/// Registers the given plugin channel for the given bot.
/// </summary>
/// <param name="channel">The channel to register.</param>
/// <param name="bot">The bot to register the channel for.</param>
public void RegisterPluginChannel(string channel, ChatBot bot)
{
if (registeredBotPluginChannels.ContainsKey(channel))
{
registeredBotPluginChannels[channel].Add(bot);
}
else
{
List<ChatBot> bots = new List<ChatBot>();
bots.Add(bot);
registeredBotPluginChannels[channel] = bots;
SendPluginChannelMessage("REGISTER", Encoding.UTF8.GetBytes(channel), true);
}
}
/// <summary>
/// Unregisters the given plugin channel for the given bot.
/// </summary>
/// <param name="channel">The channel to unregister.</param>
/// <param name="bot">The bot to unregister the channel for.</param>
public void UnregisterPluginChannel(string channel, ChatBot bot)
{
if (registeredBotPluginChannels.ContainsKey(channel))
{
List<ChatBot> registeredBots = registeredBotPluginChannels[channel];
registeredBots.RemoveAll(item => object.ReferenceEquals(item, bot));
if (registeredBots.Count == 0)
{
registeredBotPluginChannels.Remove(channel);
SendPluginChannelMessage("UNREGISTER", Encoding.UTF8.GetBytes(channel), true);
}
}
}
/// <summary>
/// Sends a plugin channel packet to the server. See http://wiki.vg/Plugin_channel for more information
/// about plugin channels.
/// </summary>
/// <param name="channel">The channel to send the packet on.</param>
/// <param name="data">The payload for the packet.</param>
/// <param name="sendEvenIfNotRegistered">Whether the packet should be sent even if the server or the client hasn't registered it yet.</param>
/// <returns>Whether the packet was sent: true if it was sent, false if there was a connection error or it wasn't registered.</returns>
public bool SendPluginChannelMessage(string channel, byte[] data, bool sendEvenIfNotRegistered = false)
{
if (!sendEvenIfNotRegistered)
{
if (!registeredBotPluginChannels.ContainsKey(channel))
{
return false;
}
if (!registeredServerPluginChannels.Contains(channel))
{
return false;
}
}
return handler.SendPluginChannelPacket(channel, data);
}
/// <summary>
/// Called when a plugin channel message was sent from the server.
/// </summary>
/// <param name="channel">The channel the message was sent on</param>
/// <param name="data">The data from the channel</param>
public void OnPluginChannelMessage(string channel, byte[] data)
{
if (channel == "REGISTER")
{
string[] channels = Encoding.UTF8.GetString(data).Split('\0');
foreach (string chan in channels)
{
if (!registeredServerPluginChannels.Contains(chan))
{
registeredServerPluginChannels.Add(chan);
}
}
}
if (channel == "UNREGISTER")
{
string[] channels = Encoding.UTF8.GetString(data).Split('\0');
foreach (string chan in channels)
{
registeredServerPluginChannels.Remove(chan);
}
}
if (registeredBotPluginChannels.ContainsKey(channel))
{
foreach (ChatBot bot in registeredBotPluginChannels[channel])
{
bot.OnPluginMessage(channel, data);
}
}
}
}
}