From 7a8cc2c2a675d2a69ad952e139c02a95aef83f05 Mon Sep 17 00:00:00 2001
From: SilicaAndPina <earsyum@gmail.com>
Date: Thu, 29 Oct 2020 23:08:24 +1300
Subject: [PATCH] no message

---
 Horse Isle Server/Horse Isle Server/Meta.cs   |  2 +-
 Horse Isle Server/Horse Isle Server/Npc.cs    | 12 +++++
 .../Horse Isle Server/PacketBuilder.cs        |  1 +
 Horse Isle Server/Horse Isle Server/Server.cs | 47 +++++++++++++++++--
 4 files changed, 56 insertions(+), 6 deletions(-)

diff --git a/Horse Isle Server/Horse Isle Server/Meta.cs b/Horse Isle Server/Horse Isle Server/Meta.cs
index dc27fb1..e67eb23 100644
--- a/Horse Isle Server/Horse Isle Server/Meta.cs	
+++ b/Horse Isle Server/Horse Isle Server/Meta.cs	
@@ -141,7 +141,6 @@ namespace Horse_Isle_Server
             if (specialTile.ExitX != 0 && specialTile.ExitY != 0)
                 message += Messages.ExitThisPlace + Messages.MetaTerminator;
 
-            Logger.DebugPrint(message);
 
             return message;
         }
@@ -193,6 +192,7 @@ namespace Horse_Isle_Server
             {
                 message += Messages.FormatNpcReply(reply.ReplyText, reply.Id);
             }
+            message += Messages.BackToMap + Messages.MetaTerminator;
             return message;
         }
 
diff --git a/Horse Isle Server/Horse Isle Server/Npc.cs b/Horse Isle Server/Horse Isle Server/Npc.cs
index 80c6f8b..deb671d 100644
--- a/Horse Isle Server/Horse Isle Server/Npc.cs	
+++ b/Horse Isle Server/Horse Isle Server/Npc.cs	
@@ -72,6 +72,18 @@ namespace Horse_Isle_Server
             }
             throw new KeyNotFoundException("Npc reply with " + id + " not found!");
         }
+        public static NpcChat GetNpcChatpoint(NpcEntry npc, int chatpointId)
+        {
+            foreach(Npc.NpcChat chatpoint in npc.Chatpoints)
+            {
+                if(chatpoint.Id == chatpointId)
+                {
+                    return chatpoint;
+                }
+            }
+
+            throw new KeyNotFoundException("Npc chatpoint id: " + chatpointId + " not found!");
+        }
         public static NpcEntry GetNpcById(int id)
         {
             foreach(NpcEntry npc in NpcList)
diff --git a/Horse Isle Server/Horse Isle Server/PacketBuilder.cs b/Horse Isle Server/Horse Isle Server/PacketBuilder.cs
index 0f6177a..879a07d 100644
--- a/Horse Isle Server/Horse Isle Server/PacketBuilder.cs	
+++ b/Horse Isle Server/Horse Isle Server/PacketBuilder.cs	
@@ -35,6 +35,7 @@ namespace Horse_Isle_Server
         public const byte PACKET_PLAYERINFO = 0x16;
 
         public const byte NPC_START_CHAT = 0x14;
+        public const byte NPC_CONTINUE_CHAT = 0x15;
 
         public const byte PLAYERINFO_LEAVE = 0x16;
         public const byte PLAYERINFO_UPDATE_OR_CREATE = 0x15;
diff --git a/Horse Isle Server/Horse Isle Server/Server.cs b/Horse Isle Server/Horse Isle Server/Server.cs
index 3e489b0..6493821 100644
--- a/Horse Isle Server/Horse Isle Server/Server.cs	
+++ b/Horse Isle Server/Horse Isle Server/Server.cs	
@@ -310,7 +310,7 @@ namespace Horse_Isle_Server
                 return;
             }
             byte action = packet[1];
-            if(action == PacketBuilder.NPC_START_CHAT)
+            if (action == PacketBuilder.NPC_START_CHAT)
             {
 
                 string packetStr = Encoding.UTF8.GetString(packet);
@@ -320,9 +320,9 @@ namespace Horse_Isle_Server
                 {
                     chatId = int.Parse(number);
                 }
-                catch(InvalidOperationException)
+                catch (InvalidOperationException)
                 {
-                    Logger.ErrorPrint(sender.LoggedinUser.Username + " Tried to use a transport with id that is NaN.");
+                    Logger.ErrorPrint(sender.LoggedinUser.Username + " Tried to start talking to an NPC with id that is NaN.");
                     return;
                 }
 
@@ -331,9 +331,46 @@ namespace Horse_Isle_Server
                 byte[] metaPacket = PacketBuilder.CreateMetaPacket(metaInfo);
                 sender.SendPacket(metaPacket);
             }
-            else
+            else if (action == PacketBuilder.NPC_CONTINUE_CHAT)
             {
-                Logger.ErrorPrint("Unknown npc interaction! - Packet Dump: " + BitConverter.ToString(packet).Replace('-', ' '));
+                string packetStr = Encoding.UTF8.GetString(packet);
+                string number = packetStr.Substring(2, packetStr.Length - 4);
+                int replyId = 0;
+                try
+                {
+                    replyId = int.Parse(number);
+                }
+                catch (InvalidOperationException)
+                {
+                    Logger.ErrorPrint(sender.LoggedinUser.Username + " Tried to reply to an NPC with replyid that is NaN.");
+                    return;
+                }
+
+                foreach (Npc.NpcEntry npc in Npc.NpcList)
+                {
+                    foreach (Npc.NpcChat chatpoint in npc.Chatpoints)
+                    {
+                        foreach (Npc.NpcReply reply in chatpoint.Replies)
+                        {
+                            if (reply.Id == replyId)
+                            {
+                                if (reply.GotoChatpoint == -1)
+                                {
+                                    UpdateArea(sender);
+                                    return;
+                                }
+
+                                string metaInfo = Meta.BuildChatpoint(npc,Npc.GetNpcChatpoint(npc, reply.GotoChatpoint));
+                                byte[] metaPacket = PacketBuilder.CreateMetaPacket(metaInfo);
+                                sender.SendPacket(metaPacket);
+                                return;
+
+                            }
+                        }
+                    }
+                }
+                Logger.ErrorPrint(sender.LoggedinUser.Username + " Tried to reply with replyid that does not exist.");
+               
             }
         }
         public static void OnTransportUsed(Client sender, byte[] packet)