Core/PacketIO: Implemented CMSG_CONVERSATION_LINE_STARTED

Port From (https://github.com/TrinityCore/TrinityCore/commit/6d9ce8e8baa100ecc7650d0ae56037c131bab2e0)

Source/Game/BattleGrounds/BattleGround.cs

@@ -351,7 +351,7 @@ namespace Game.BattleGrounds
 
                 StartTimer timer = new();
                 timer.Type = TimerType.Pvp;
-                timer.TimeRemaining = countdownMaxForBGType - (GetElapsedTime() / 1000);
+                timer.TimeLeft = countdownMaxForBGType - (GetElapsedTime() / 1000);
                 timer.TotalTime = countdownMaxForBGType;
 
                 foreach (var guid in GetPlayers().Keys)
@@ -1059,7 +1059,7 @@ namespace Game.BattleGrounds
                     uint countdownMaxForBGType = IsArena() ? BattlegroundConst.ArenaCountdownMax : BattlegroundConst.BattlegroundCountdownMax;
                     StartTimer timer = new();
                     timer.Type = TimerType.Pvp;
-                    timer.TimeRemaining = countdownMaxForBGType - (GetElapsedTime() / 1000);
+                    timer.TimeLeft = countdownMaxForBGType - (GetElapsedTime() / 1000);
                     timer.TotalTime = countdownMaxForBGType;
 
                     player.SendPacket(timer);

Source/Game/Entities/Conversation.cs

@@ -122,7 +122,7 @@ namespace Game.Entities
             SetObjectScale(1.0f);
 
             SetUpdateFieldValue(m_values.ModifyValue(m_conversationData).ModifyValue(m_conversationData.LastLineEndTime), conversationTemplate.LastLineEndTime);
-            _duration = conversationTemplate.LastLineEndTime;
+            _duration = conversationTemplate.LastLineEndTime + 10 * Time.InMilliseconds;
             _textureKitId = conversationTemplate.TextureKitId;
 
             if (conversationTemplate.Actors != null)
@@ -197,7 +197,7 @@ namespace Game.Entities
             return true;
         }
 
-        void AddActor(ObjectGuid actorGuid, ushort actorIdx)
+        public void AddActor(ObjectGuid actorGuid, ushort actorIdx)
         {
             ConversationActorField actorField = m_values.ModifyValue(m_conversationData).ModifyValue(m_conversationData.Actors, actorIdx);
             SetUpdateFieldValue(ref actorField.ActorGUID, actorGuid);

Source/Game/Entities/Player/SceneMgr.cs

@@ -19,7 +19,6 @@ using Framework.Constants;
 using Game.DataStorage;
 using Game.Networking;
 using Game.Networking.Packets;
-using System;
 using System.Collections.Generic;
 
 namespace Game.Entities

Source/Game/Globals/ObjectAccessor.cs

@@ -144,7 +144,7 @@ public class ObjectAccessor : Singleton<ObjectAccessor>
         return u.GetMap().GetSceneObject(guid);
     }
     
-    static Conversation GetConversation(WorldObject u, ObjectGuid guid)
+    public static Conversation GetConversation(WorldObject u, ObjectGuid guid)
     {
         return u.GetMap().GetConversation(guid);
     }

Source/Game/Handlers/MiscHandler.cs

@@ -23,7 +23,6 @@ using Game.Entities;
 using Game.Groups;
 using Game.Guilds;
 using Game.Maps;
-using Game.Misc;
 using Game.Networking;
 using Game.Networking.Packets;
 using Game.PvP;
@@ -454,6 +453,14 @@ namespace Game
                 _player.PlayerTalkClass.GetInteractionData().Reset();
         }
 
+        [WorldPacketHandler(ClientOpcodes.ConversationLineStarted)]
+        void HandleConversationLineStarted(ConversationLineStarted conversationLineStarted)
+        {
+            Conversation convo = ObjectAccessor.GetConversation(_player, conversationLineStarted.ConversationGUID);
+            if (convo != null)
+                Global.ScriptMgr.OnConversationLineStarted(convo, conversationLineStarted.LineID, _player);
+        }
+
         [WorldPacketHandler(ClientOpcodes.ChatUnregisterAllAddonPrefixes)]
         void HandleUnregisterAllAddonPrefixes(ChatUnregisterAllAddonPrefixes packet)
         {

Source/Game/Networking/Packets/MiscPackets.cs

@@ -1239,15 +1239,29 @@ namespace Game.Networking.Packets
         public override void Write()
         {
             _worldPacket.WriteUInt32((uint)Type);
-            _worldPacket.WriteUInt32(TimeRemaining);
+            _worldPacket.WriteUInt32(TimeLeft);
             _worldPacket.WriteUInt32(TotalTime);
         }
 
-        public uint TimeRemaining;
-        public uint TotalTime;
         public TimerType Type;
+        public uint TimeLeft;
+        public uint TotalTime;
     }
 
+    class ConversationLineStarted : ClientPacket
+    {
+        public ObjectGuid ConversationGUID;
+        public uint LineID;
+
+        public ConversationLineStarted(WorldPacket packet) : base(packet) { }
+
+        public override void Read()
+        {
+            ConversationGUID = _worldPacket.ReadPackedGuid();
+            LineID = _worldPacket.ReadUInt32();
+        }
+    }
+    
     class DisplayGameError : ServerPacket
     {
         public DisplayGameError(GameError error) : base(ServerOpcodes.DisplayGameError)

Source/Game/Scripting/CoreScripts.cs

@@ -760,7 +760,7 @@ namespace Game.Scripting
         public virtual AreaTriggerAI GetAI(AreaTrigger at) { return null; }
     }
 
-    class ConversationScript : ScriptObject
+    public class ConversationScript : ScriptObject
     {
         public ConversationScript(string name) : base(name)
         {
@@ -771,6 +771,9 @@ namespace Game.Scripting
 
         // Called when Conversation is created but not added to Map yet.
         public virtual void OnConversationCreate(Conversation conversation, Unit creator) { }
+
+        // Called when player sends CMSG_CONVERSATION_LINE_STARTED with valid conversation guid
+        public virtual void OnConversationLineStarted(Conversation conversation, uint lineId, Player sender) { }
     }
 
     public class SceneScript : ScriptObject

Source/Game/Scripting/ScriptManager.cs

@@ -1117,6 +1117,14 @@ namespace Game.Scripting
             RunScript<ConversationScript>(script => script.OnConversationCreate(conversation, creator), conversation.GetScriptId());
         }
 
+        public void OnConversationLineStarted(Conversation conversation, uint lineId, Player sender)
+        {
+            Cypher.Assert(conversation != null);
+            Cypher.Assert(sender != null);
+
+            RunScript<ConversationScript>(script => script.OnConversationLineStarted(conversation, lineId, sender), conversation.GetScriptId());
+        }
+
         //SceneScript
         public void OnSceneStart(Player player, uint sceneInstanceID, SceneTemplate sceneTemplate)
         {

Source/Scripts/World/Conversation.cs

@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2012-2020 CypherCore <http://github.com/CypherCore>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+using Framework.Constants;
+using Game.Entities;
+using Game.Scripting;
+
+namespace Scripts.World
+{
+    [Script]
+    class conversation_allied_race_dk_defender_of_azeroth : ConversationScript
+    {
+        const uint NpcTalkToYourCommanderCredit = 161709;
+        const uint NpcListenToYourCommanderCredit = 163027;
+        const uint ConversationLinePlayer = 32926;
+
+        public conversation_allied_race_dk_defender_of_azeroth() : base("conversation_allied_race_dk_defender_of_azeroth") { }
+
+        public override void OnConversationCreate(Conversation conversation, Unit creator)
+        {
+            conversation.AddActor(ObjectGuid.Create(HighGuid.Player, 0xFFFFFFFFFFFFFFFF), 1);
+            Player player = creator.ToPlayer();
+            if (player != null)
+                player.KilledMonsterCredit(NpcTalkToYourCommanderCredit);
+        }
+
+        public override void OnConversationLineStarted(Conversation conversation, uint lineId, Player sender)
+        {
+            if (lineId != ConversationLinePlayer)
+                return;
+
+            sender.KilledMonsterCredit(NpcListenToYourCommanderCredit);
+        }
+    }
+}