From 63758f61cbe05e76975dc50721c2d05804cd1b7d Mon Sep 17 00:00:00 2001
From: Ethan Stubbs <37120476+tgpethan@users.noreply.github.com>
Date: Fri, 5 Feb 2021 03:18:24 +0000
Subject: [PATCH] Implement SpecialLeaveMatchChannel

---
 server/Packets/TourneyLeaveMatchChannel.js | 30 ++++++++++++++++++++++
 server/serverHandler.js                    |  7 ++++-
 2 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 server/Packets/TourneyLeaveMatchChannel.js

diff --git a/server/Packets/TourneyLeaveMatchChannel.js b/server/Packets/TourneyLeaveMatchChannel.js
new file mode 100644
index 0000000..f1f3fd1
--- /dev/null
+++ b/server/Packets/TourneyLeaveMatchChannel.js
@@ -0,0 +1,30 @@
+const osu = require("osu-packet");
+
+module.exports = function(CurrentUser, MatchID) {
+    const match = global.MultiplayerManager.getMatch(MatchID);
+
+    if (match != null) {
+
+        match.isTourneyMatch = false;
+        match.tourneyClientUsers = [];
+
+        if (global.StreamsHandler.isUserInStream(match.matchStreamName, CurrentUser.uuid))
+            return global.consoleHelper.printBancho(`Did not add user to channel ${match.matchStreamName} because they are already in it`);
+
+        const osuPacketWriter = new osu.Bancho.Writer;
+
+        osuPacketWriter.ChannelRevoked("#multiplayer");
+        if (!global.StreamsHandler.isUserInStream(match.matchStreamName, CurrentUser.uuid))
+            global.StreamsHandler.removeUserFromStream(match.matchStreamName, CurrentUser.uuid);
+
+        CurrentUser.addActionToQueue(osuPacketWriter.toBuffer);
+    } else {
+        // Still provide feedback just in case
+        // TODO: Check if this has any effect, if not then remove this.
+        const osuPacketWriter = new osu.Bancho.Writer;
+
+        osuPacketWriter.ChannelRevoked("#multiplayer");
+
+        CurrentUser.addActionToQueue(osuPacketWriter.toBuffer);
+    }
+}
\ No newline at end of file
diff --git a/server/serverHandler.js b/server/serverHandler.js
index 17fc1e6..9e6c039 100644
--- a/server/serverHandler.js
+++ b/server/serverHandler.js
@@ -114,7 +114,8 @@ const ChangeAction = require("./Packets/ChangeAction.js"),
       UserStatsRequest = require("./Packets/UserStatsRequest.js"),
       MultiplayerInvite = require("./Packets/MultiplayerInvite.js"),
       TourneyMatchSpecialInfo = require("./Packets/TourneyMatchSpecialInfo.js"),
-      TourneyMatchJoinChannel = require("./Packets/TourneyMatchSpecialInfo.js");
+      TourneyMatchJoinChannel = require("./Packets/TourneyMatchSpecialInfo.js"),
+      TourneyMatchLeaveChannel = require("./Packets/TourneyLeaveMatchChannel.js");
 
 // A class for managing everything multiplayer
 global.MultiplayerManager = new MultiplayerManager();
@@ -306,6 +307,10 @@ module.exports = function(req, res) {
                             TourneyMatchJoinChannel(PacketUser, CurrentPacket.data);
                         break;
 
+                        case packetIDs.client_specialLeaveMatchChannel:
+                            TourneyMatchLeaveChannel(PacketUser, CurrentPacket.data);
+                        break;
+
                         case packetIDs.client_invite:
                             MultiplayerInvite(PacketUser, CurrentPacket.data);
                         break;