From 0a6b005a0ce11c94e6f1b19114cedc9caa4f4084 Mon Sep 17 00:00:00 2001
From: Filip Maj <filipmaj@gmail.com>
Date: Fri, 27 Nov 2015 00:42:35 -0500
Subject: [PATCH] Added command and script packets. Finished the
 SetActorProperty packet. Fixed bug with manually send packets from console.

---
 FFXIVClassic Map Server/ClientConnection.cs   |  3 +-
 .../FFXIVClassic Map Server.csproj            | 11 +--
 FFXIVClassic Map Server/PacketProcessor.cs    | 18 ++---
 FFXIVClassic Map Server/ScriptParamReader.cs  | 72 +++++++++++++++++++
 FFXIVClassic Map Server/common/Utils.cs       | 65 ++++++++++++++++-
 FFXIVClassic Map Server/dataobjects/Player.cs |  5 +-
 .../script/CommandStartRequestPacket.cs       | 17 ++---
 .../receive/script/ScriptResultPacket.cs      | 16 +++--
 .../send/Actor/SetActorPropetyPacket.cs       | 34 ++++++---
 9 files changed, 198 insertions(+), 43 deletions(-)
 create mode 100644 FFXIVClassic Map Server/ScriptParamReader.cs

diff --git a/FFXIVClassic Map Server/ClientConnection.cs b/FFXIVClassic Map Server/ClientConnection.cs
index efb54fcf..a05365fb 100644
--- a/FFXIVClassic Map Server/ClientConnection.cs	
+++ b/FFXIVClassic Map Server/ClientConnection.cs	
@@ -38,7 +38,8 @@ namespace FFXIVClassic_Lobby_Server
 
             while (sendPacketQueue.Count > 0)
             {
-                BasePacket packet = sendPacketQueue.Take();
+                BasePacket packet = sendPacketQueue.Take();                
+
                 byte[] packetBytes = packet.getPacketBytes();
                 byte[] buffer = new byte[0xffff];
                 Array.Copy(packetBytes, buffer, packetBytes.Length);
diff --git a/FFXIVClassic Map Server/FFXIVClassic Map Server.csproj b/FFXIVClassic Map Server/FFXIVClassic Map Server.csproj
index dd3fc56e..113e9c2d 100644
--- a/FFXIVClassic Map Server/FFXIVClassic Map Server.csproj	
+++ b/FFXIVClassic Map Server/FFXIVClassic Map Server.csproj	
@@ -76,9 +76,10 @@
     <Compile Include="PacketProcessor.cs" />
     <Compile Include="packets\BasePacket.cs" />
     <Compile Include="packets\receive\HandshakePacket.cs" />
+    <Compile Include="packets\receive\script\CommandStartRequestPacket.cs" />
+    <Compile Include="packets\receive\script\ScriptResultPacket.cs" />
     <Compile Include="packets\receive\SetTargetPacket.cs" />
     <Compile Include="packets\receive\LockTargetPacket.cs" />
-    <Compile Include="packets\receive\EndScriptPacket.cs" />
     <Compile Include="packets\receive\StartScriptPacket.cs" />
     <Compile Include="packets\send\actor\ActorDoEmotePacket.cs" />
     <Compile Include="packets\send\actor\DeleteAllActorsPacket.cs" />
@@ -93,6 +94,7 @@
     <Compile Include="packets\send\actor\inventory\EquipmentSetupPacket.cs" />
     <Compile Include="packets\send\actor\RemoveActorPacket.cs" />
     <Compile Include="packets\send\actor\SetActorNamePacket.cs" />
+    <Compile Include="packets\send\actor\SetActorPropetyPacket.cs" />
     <Compile Include="packets\send\actor\SetActorSpeedPacket.cs" />
     <Compile Include="packets\send\actor\SetActorStatePacket.cs" />
     <Compile Include="packets\send\actor\SetActorTargetAnimatedPacket.cs" />
@@ -114,6 +116,8 @@
     <Compile Include="packets\send\player\SetPlayerTitlePacket.cs" />
     <Compile Include="packets\send\PongPacket.cs" />
     <Compile Include="packets\send\QuitPacket.cs" />
+    <Compile Include="packets\send\script\ScriptEndPacket.cs" />
+    <Compile Include="packets\send\script\ScriptStartPacket.cs" />
     <Compile Include="packets\send\SendMessagePacket.cs" />
     <Compile Include="packets\send\SetMapPacket.cs" />
     <Compile Include="packets\send\SetMusicPacket.cs" />
@@ -123,6 +127,7 @@
     <Compile Include="packets\receive\UpdatePlayerPositionPacket.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="ScriptParamReader.cs" />
     <Compile Include="Server.cs" />
     <Compile Include="Zone.cs" />
   </ItemGroup>
@@ -130,9 +135,7 @@
     <None Include="App.config" />
     <None Include="packages.config" />
   </ItemGroup>
-  <ItemGroup>
-    <Folder Include="packets\send\script\" />
-  </ItemGroup>
+  <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/FFXIVClassic Map Server/PacketProcessor.cs b/FFXIVClassic Map Server/PacketProcessor.cs
index 13ba1fd7..9b29fc07 100644
--- a/FFXIVClassic Map Server/PacketProcessor.cs	
+++ b/FFXIVClassic Map Server/PacketProcessor.cs	
@@ -18,6 +18,7 @@ using FFXIVClassic_Map_Server.packets.send.Actor.inventory;
 using FFXIVClassic_Map_Server.packets.send.Actor;
 using FFXIVClassic_Map_Server.packets.send.actor;
 using FFXIVClassic_Map_Server;
+using FFXIVClassic_Map_Server.packets.send.script;
 
 namespace FFXIVClassic_Lobby_Server
 {
@@ -263,6 +264,9 @@ namespace FFXIVClassic_Lobby_Server
                         case 0x0003:
                             subpacket.debugPrintSubPacket();
                             break;
+                        //Unknown
+                        case 0x0007: 
+                            break;
                         //Update Position
                         case 0x00CA:
                             //Update Position
@@ -291,14 +295,14 @@ namespace FFXIVClassic_Lobby_Server
                         //Start Script
                         case 0x012D:
                             subpacket.debugPrintSubPacket();
-                            //StartScriptPacket startScript = new StartScriptPacket(subpacket.data);
-                            //client.queuePacket(new BasePacket("./packets/script/bed.bin"));
+                            CommandStartRequestPacket commandStart = new CommandStartRequestPacket(subpacket.data);
+                            
                             client.queuePacket(BasePacket.createPacket(ActorDoEmotePacket.buildPacket(player.actorID, player.getActor().currentTarget, 137), true, false));
                             break;
                         //Script Result
                         case 0x012E:
                             subpacket.debugPrintSubPacket();
-                            processScriptResult(subpacket);
+                            ScriptResultPacket scriptResult = new ScriptResultPacket(subpacket.data);
                             break;
                         case 0x012F:
                             subpacket.debugPrintSubPacket();
@@ -311,16 +315,12 @@ namespace FFXIVClassic_Lobby_Server
                     }
                 }
             }
-        }
-
+        }        
 
         public void sendPacket(string path, int conn)
         {
-            if (mPlayers.Count == 0)
-                return;
-
             BasePacket packet = new BasePacket(path);
-               
+
             foreach (KeyValuePair<uint, Player> entry in mPlayers)
             {
                 packet.replaceActorID(entry.Value.actorID);
diff --git a/FFXIVClassic Map Server/ScriptParamReader.cs b/FFXIVClassic Map Server/ScriptParamReader.cs
new file mode 100644
index 00000000..ad0c8af3
--- /dev/null
+++ b/FFXIVClassic Map Server/ScriptParamReader.cs	
@@ -0,0 +1,72 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FFXIVClassic_Map_Server
+{
+    class ScriptParamReader
+    {
+        List<int> types = new List<int>();
+        List<Object> values = new List<Object>();
+
+        public ScriptParamReader(BinaryReader reader)
+        {
+            while (true)
+            {
+                byte code = reader.ReadByte();
+                switch (code)
+                {
+                    case 0x0: //INT32
+                        types.Add(6);
+                        values.Add(reader.ReadUInt32());
+                        break;
+                    case 0x1: //????
+                        continue;                                      
+                    case 0x2: //Null Termed String
+                        types.Add(2);
+                        List<byte> list = new List<byte>();
+                        while(true){
+                            byte readByte = reader.ReadByte();
+                            if (readByte == 0)
+                                break;
+                            list.Add(readByte);
+                        }
+                        values.Add(Encoding.ASCII.GetString(list.ToArray()));
+                        break;
+                    case 0x4: //BYTE
+                        types.Add(4);
+                        values.Add(reader.ReadByte());
+                        break;
+                    case 0x5: //NULL???
+                        types.Add(5);
+                        values.Add(new Object());
+                        continue;  
+                    case 0x6: //INT32
+                        types.Add(6);
+                        values.Add(reader.ReadUInt32());
+                        break;
+                    case 0xF: //End
+                        return;
+                }
+            }
+        }
+
+        public int getType(int index)
+        {
+            return types[index];
+        }
+
+        public Object getValue(int index)
+        {
+            return values[index];
+        }
+
+        public int getCount()
+        {
+            return values.Count;
+        }
+    }
+}
diff --git a/FFXIVClassic Map Server/common/Utils.cs b/FFXIVClassic Map Server/common/Utils.cs
index e0b6db91..132c39f8 100644
--- a/FFXIVClassic Map Server/common/Utils.cs	
+++ b/FFXIVClassic Map Server/common/Utils.cs	
@@ -53,7 +53,70 @@ namespace FFXIVClassic_Lobby_Server.common
             DateTime unixEpoch = new DateTime(1970, 1, 1);
             unixTimeStamp = (UInt32)(zuluTime.Subtract(unixEpoch)).TotalSeconds;
 
-            return unixTimeStamp;
+            return 0x55555555;
+            //return unixTimeStamp;
+        }
+
+        public static uint MurmurHash2(string key, uint seed)
+        {
+	        // 'm' and 'r' are mixing constants generated offline.
+	        // They're not really 'magic', they just happen to work well.
+
+            byte[] data = Encoding.ASCII.GetBytes(key);
+	        const uint m = 0x5bd1e995;
+	        const int r = 24;
+            int len = key.Length;
+            int dataIndex = len - 4;
+
+	        // Initialize the hash to a 'random' value
+
+	        uint h = seed ^ (uint)len;
+
+	        // Mix 4 bytes at a time into the hash
+	        
+
+	        while (len >= 4)
+	        {
+		        h *= m;
+
+                uint k = (uint)BitConverter.ToInt32(data, dataIndex);
+		        k =     ((k >> 24) & 0xff) | // move byte 3 to byte 0
+			            ((k << 8) & 0xff0000) | // move byte 1 to byte 2
+			            ((k >> 8) & 0xff00) | // move byte 2 to byte 1
+			            ((k << 24) & 0xff000000); // byte 0 to byte 3
+
+		        k *= m;
+		        k ^= k >> r;
+		        k *= m;
+
+		        h ^= k;
+
+		        dataIndex -= 4;
+		        len -= 4;
+	        }
+
+	        // Handle the last few bytes of the input array
+
+	        switch (len)
+	        {
+                case 3: 
+                    h ^= (uint)data[2] << 16; goto case 2;
+                case 2: 
+                    h ^= (uint)data[0] << 8; goto case 1;
+	            case 1: 
+                    h ^= data[1];
+		            h *= m;
+                    break;
+	        };
+
+	        // Do a few final mixes of the hash to ensure the last few
+	        // bytes are well-incorporated.
+
+	        h ^= h >> 13;
+	        h *= m;
+	        h ^= h >> 15;
+
+	        return h;
         }
 
     }
diff --git a/FFXIVClassic Map Server/dataobjects/Player.cs b/FFXIVClassic Map Server/dataobjects/Player.cs
index b39fd283..96f6da7c 100644
--- a/FFXIVClassic Map Server/dataobjects/Player.cs	
+++ b/FFXIVClassic Map Server/dataobjects/Player.cs	
@@ -71,7 +71,7 @@ namespace FFXIVClassic_Map_Server.dataobjects
 
         public ClientConnection getConnection2()
         {
-            return conn1;
+            return conn2;
         }
 
         public Actor getActor()
@@ -136,7 +136,8 @@ namespace FFXIVClassic_Map_Server.dataobjects
                 }
             }
 
-            basePackets.Add(BasePacket.createPacket(posUpdateSubpackets, true, false));
+            if (posUpdateSubpackets.Count > 0)
+                basePackets.Add(BasePacket.createPacket(posUpdateSubpackets, true, false));
 
             return basePackets;
         }
diff --git a/FFXIVClassic Map Server/packets/receive/script/CommandStartRequestPacket.cs b/FFXIVClassic Map Server/packets/receive/script/CommandStartRequestPacket.cs
index 3d61322c..4006975f 100644
--- a/FFXIVClassic Map Server/packets/receive/script/CommandStartRequestPacket.cs	
+++ b/FFXIVClassic Map Server/packets/receive/script/CommandStartRequestPacket.cs	
@@ -9,13 +9,16 @@ namespace FFXIVClassic_Map_Server.packets.send.script
 {
     class CommandStartRequestPacket
     {
-        bool invalidPacket = false;
+        public const ushort OPCODE = 0x012E;
+        public const uint PACKET_SIZE = 0x78;
+
+        public bool invalidPacket = false;
 
         public uint actorID;
         public uint scriptOwnerActorID;
         public uint val1;
         public uint val2;
-        public string callbackName;
+        public ScriptParamReader reader;
 
         public CommandStartRequestPacket(byte[] data)
         {
@@ -30,14 +33,8 @@ namespace FFXIVClassic_Map_Server.packets.send.script
                         val2 = binReader.ReadUInt32();
                         binReader.ReadByte();
 
-                        while (true)
-                        {
-                            byte inByte = binReader.ReadByte();
-                            if (inByte == 0)
-                                break;
-                            callbackName += (char)inByte;
-                        }
-
+                        binReader.BaseStream.Seek(0x31, SeekOrigin.Begin);
+                        reader = new ScriptParamReader(binReader);                      
                     }
                     catch (Exception){
                         invalidPacket = true;
diff --git a/FFXIVClassic Map Server/packets/receive/script/ScriptResultPacket.cs b/FFXIVClassic Map Server/packets/receive/script/ScriptResultPacket.cs
index 2f0ce8a1..49f63708 100644
--- a/FFXIVClassic Map Server/packets/receive/script/ScriptResultPacket.cs	
+++ b/FFXIVClassic Map Server/packets/receive/script/ScriptResultPacket.cs	
@@ -9,14 +9,16 @@ namespace FFXIVClassic_Map_Server.packets.send.script
 {
     class ScriptResultPacket
     {
-        bool invalidPacket = false;
+        public const ushort OPCODE = 0x012E;
+        public const uint PACKET_SIZE = 0xD8;
+
+        public bool invalidPacket = false;
 
         public uint actorID;
+        public uint scriptOwnerActorID;
         public uint val1;
         public uint val2;
-        public uint val3;
-        public uint val4;
-        public uint val5;
+        ScriptParamReader reader;
 
         public ScriptResultPacket(byte[] data)
         {
@@ -26,11 +28,11 @@ namespace FFXIVClassic_Map_Server.packets.send.script
                 {
                     try{
                         actorID = binReader.ReadUInt32();
+                        scriptOwnerActorID = binReader.ReadUInt32();
                         val1 = binReader.ReadUInt32();
                         val2 = binReader.ReadUInt32();
-                        val3 = binReader.ReadUInt32();
-                        val4 = binReader.ReadUInt32();
-                        val5 = binReader.ReadUInt32();                        
+                        binReader.ReadByte();
+                        reader = new ScriptParamReader(binReader);                          
                     }
                     catch (Exception){
                         invalidPacket = true;
diff --git a/FFXIVClassic Map Server/packets/send/Actor/SetActorPropetyPacket.cs b/FFXIVClassic Map Server/packets/send/Actor/SetActorPropetyPacket.cs
index 7b28e270..2bc86444 100644
--- a/FFXIVClassic Map Server/packets/send/Actor/SetActorPropetyPacket.cs	
+++ b/FFXIVClassic Map Server/packets/send/Actor/SetActorPropetyPacket.cs	
@@ -66,14 +66,12 @@ namespace FFXIVClassic_Map_Server.packets.send.actor
 
         private ushort runningByteTotal = 0;
         private byte[] data = new byte[PACKET_SIZE - 0x20];
-        private string script;
 
         private MemoryStream mem;
         private BinaryWriter binWriter;
 
-        public SetActorPropetyPacket(string script)
+        public SetActorPropetyPacket()
         {
-            this.script = script;
             mem = new MemoryStream(data);
             binWriter = new BinaryWriter(mem);
             binWriter.Seek(1, SeekOrigin.Begin);
@@ -87,7 +85,7 @@ namespace FFXIVClassic_Map_Server.packets.send.actor
 
         public bool addByte(uint id, byte value)
         {
-            if (runningByteTotal + 6 + Encoding.ASCII.GetByteCount(script) > MAXBYTES)
+            if (runningByteTotal + 6 > MAXBYTES)
                 return false;
 
             binWriter.Write((byte)1);
@@ -100,7 +98,7 @@ namespace FFXIVClassic_Map_Server.packets.send.actor
 
         public bool addShort(uint id, ushort value)
         {
-            if (runningByteTotal + 7 + Encoding.ASCII.GetByteCount(script) > MAXBYTES)
+            if (runningByteTotal + 7 > MAXBYTES)
                 return false;
 
             binWriter.Write((byte)2);
@@ -113,7 +111,7 @@ namespace FFXIVClassic_Map_Server.packets.send.actor
 
         public bool addInt(uint id, uint value)
         {
-            if (runningByteTotal + 9 + Encoding.ASCII.GetByteCount(script) > MAXBYTES)
+            if (runningByteTotal + 9 > MAXBYTES)
                 return false;
 
             binWriter.Write((byte)4);
@@ -124,11 +122,29 @@ namespace FFXIVClassic_Map_Server.packets.send.actor
             return true;
         }
 
+        public bool addBuffer(uint id, byte[] buffer)
+        {
+            if (runningByteTotal + 5 + buffer.Length  > MAXBYTES)
+                return false;
+
+            binWriter.Write((byte)buffer.Length);
+            binWriter.Write((UInt32)id);
+            binWriter.Write(buffer);
+            runningByteTotal += (ushort)(5 + buffer.Length);
+
+            return true;
+        }
+
+        public void setTarget(string target)
+        {
+            binWriter.Write((byte)(0x82 + target.Length));
+            binWriter.Write(target);
+            runningByteTotal += (ushort)(1 + target.Length);
+
+        }
+
         public SubPacket buildPacket(uint playerActorID, uint actorID)
         {
-            binWriter.Write((ushort)00);
-            binWriter.Write(Encoding.ASCII.GetBytes(script));
-
             binWriter.Seek(0, SeekOrigin.Begin);
             binWriter.Write((byte)runningByteTotal);