From 441c1a6383a051765be4ceaca54e4e3724886511 Mon Sep 17 00:00:00 2001
From: Filip Maj <filipmaj@gmail.com>
Date: Sun, 1 Oct 2017 12:39:46 -0400
Subject: [PATCH] Implemented countdowns.

---
 .../FFXIVClassic Map Server.csproj            |  4 ++-
 FFXIVClassic Map Server/PacketProcessor.cs    |  5 ++++
 .../actors/chara/player/Player.cs             |  4 +--
 .../packets/receive/CountdownRequestPacket.cs | 30 +++++++++++++++++++
 .../send/Actor/StartCountdownPacket.cs        |  4 +--
 5 files changed, 42 insertions(+), 5 deletions(-)
 create mode 100644 FFXIVClassic Map Server/packets/receive/CountdownRequestPacket.cs

diff --git a/FFXIVClassic Map Server/FFXIVClassic Map Server.csproj b/FFXIVClassic Map Server/FFXIVClassic Map Server.csproj
index 3c275fc0..8b0184f6 100644
--- a/FFXIVClassic Map Server/FFXIVClassic Map Server.csproj	
+++ b/FFXIVClassic Map Server/FFXIVClassic Map Server.csproj	
@@ -143,6 +143,7 @@
     <Compile Include="packets\receive\events\EventStartPacket.cs" />
     <Compile Include="packets\receive\GroupCreatedPacket.cs" />
     <Compile Include="packets\receive\HandshakePacket.cs" />
+    <Compile Include="packets\receive\CountdownRequestPacket.cs" />
     <Compile Include="packets\receive\LangaugeCodePacket.cs" />
     <Compile Include="packets\receive\ParameterDataRequestPacket.cs" />
     <Compile Include="packets\receive\recruitment\RecruitmentDetailsRequestPacket.cs" />
@@ -188,6 +189,7 @@
     <Compile Include="packets\send\actor\inventory\InventoryListX32Packet.cs" />
     <Compile Include="packets\send\actor\PlayAnimationOnActorPacket.cs" />
     <Compile Include="packets\send\actor\PlayBGAnimation.cs" />
+    <Compile Include="packets\send\actor\StartCountdownPacket.cs" />
     <Compile Include="packets\send\actor\_0x132Packet.cs" />
     <Compile Include="packets\send\actor\SetActorIsZoningPacket.cs" />
     <Compile Include="packets\send\actor\battle\BattleActionX01Packet.cs" />
@@ -285,7 +287,7 @@
     <Compile Include="packets\send\supportdesk\GMTicketPacket.cs" />
     <Compile Include="packets\send\supportdesk\GMTicketSentResponsePacket.cs" />
     <Compile Include="packets\send\_0x02Packet.cs" />
-    <Compile Include="packets\send\_0x10Packet.cs" />
+    <Compile Include="packets\send\SetDalamudPacket.cs" />
     <Compile Include="packets\send\_0xE2Packet.cs" />
     <Compile Include="packets\receive\PingPacket.cs" />
     <Compile Include="packets\receive\UpdatePlayerPositionPacket.cs" />
diff --git a/FFXIVClassic Map Server/PacketProcessor.cs b/FFXIVClassic Map Server/PacketProcessor.cs
index ed297041..ded25460 100644
--- a/FFXIVClassic Map Server/PacketProcessor.cs	
+++ b/FFXIVClassic Map Server/PacketProcessor.cs	
@@ -210,6 +210,11 @@ namespace FFXIVClassic_Map_Server
                     case 0x00CE:
                         subpacket.DebugPrintSubPacket();
                         break;
+                    //Countdown requested
+                    case 0x00CF:
+                        CountdownRequestPacket countdownPacket = new CountdownRequestPacket(subpacket.data);
+                        session.GetActor().BroadcastCountdown(countdownPacket.countdownLength, countdownPacket.syncTime);
+                        break;
                     //Event Result
                     case 0x012E:
                         subpacket.DebugPrintSubPacket();
diff --git a/FFXIVClassic Map Server/actors/chara/player/Player.cs b/FFXIVClassic Map Server/actors/chara/player/Player.cs
index 7e865553..bb98227e 100644
--- a/FFXIVClassic Map Server/actors/chara/player/Player.cs	
+++ b/FFXIVClassic Map Server/actors/chara/player/Player.cs	
@@ -1623,9 +1623,9 @@ namespace FFXIVClassic_Map_Server.Actors
             currentEventRunning = null;
         }
 
-        public void BroadcastCountdown(byte countdownLength, uint startTime)
+        public void BroadcastCountdown(byte countdownLength, ulong syncTime)
         {
-            BroadcastPacket(StartCountdownPacket.BuildPacket(actorId, countdownLength, startTime, "Go!"), true);
+            BroadcastPacket(StartCountdownPacket.BuildPacket(actorId, countdownLength, syncTime, "Go!"), true);
         }
 
         public void SendInstanceUpdate()
diff --git a/FFXIVClassic Map Server/packets/receive/CountdownRequestPacket.cs b/FFXIVClassic Map Server/packets/receive/CountdownRequestPacket.cs
new file mode 100644
index 00000000..23701717
--- /dev/null
+++ b/FFXIVClassic Map Server/packets/receive/CountdownRequestPacket.cs	
@@ -0,0 +1,30 @@
+using System;
+using System.IO;
+
+namespace FFXIVClassic_Map_Server.packets.receive
+{
+    class CountdownRequestPacket
+    {
+        public bool invalidPacket = false;
+        public byte countdownLength;
+        public ulong syncTime;
+
+        public CountdownRequestPacket(byte[] data)
+        {
+            using (MemoryStream mem = new MemoryStream(data))
+            {
+                using (BinaryReader binReader = new BinaryReader(mem))
+                {
+                    try{
+                        countdownLength = binReader.ReadByte();
+                        binReader.BaseStream.Seek(8, SeekOrigin.Begin);
+                        syncTime = binReader.ReadUInt64();
+                    }
+                    catch (Exception){
+                        invalidPacket = true;
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/FFXIVClassic Map Server/packets/send/Actor/StartCountdownPacket.cs b/FFXIVClassic Map Server/packets/send/Actor/StartCountdownPacket.cs
index 7199f863..83f83c1a 100644
--- a/FFXIVClassic Map Server/packets/send/Actor/StartCountdownPacket.cs	
+++ b/FFXIVClassic Map Server/packets/send/Actor/StartCountdownPacket.cs	
@@ -10,7 +10,7 @@ namespace  FFXIVClassic_Map_Server.packets.send.actor
         public const ushort OPCODE = 0xE5;
         public const uint PACKET_SIZE = 0x48;
 
-        public static SubPacket BuildPacket(uint sourceActorId, byte countdownLength, uint startTime, string message)
+        public static SubPacket BuildPacket(uint sourceActorId, byte countdownLength, ulong syncTime, string message)
         {
             byte[] data = new byte[PACKET_SIZE - 0x20];
 
@@ -20,7 +20,7 @@ namespace  FFXIVClassic_Map_Server.packets.send.actor
                 {
                     binWriter.Write((Byte)countdownLength);
                     binWriter.Seek(8, SeekOrigin.Begin);
-                    binWriter.Write((UInt32)startTime);
+                    binWriter.Write((UInt64)syncTime);
                     binWriter.Seek(18, SeekOrigin.Begin);
                     binWriter.Write(Encoding.ASCII.GetBytes(message), 0, Encoding.ASCII.GetByteCount(message) >= 0x20 ? 0x20 : Encoding.ASCII.GetByteCount(message));
                 }