Core/Quests: Implemented player choices

* Implemented SPELL_EFFECT_LAUNCH_QUEST_CHOICE
* Script hook for player choices

4 files changed, 110 insertions, 2 deletions

diff --git a/src/server/game/Server/Packets/QuestPackets.cpp b/src/server/game/Server/Packets/QuestPackets.cpp
index 32f9da96a1b..d076315fde3 100644
--- a/src/server/game/Server/Packets/QuestPackets.cpp
+++ b/src/server/game/Server/Packets/QuestPackets.cpp
@@ -599,3 +599,79 @@ WorldPacket const* WorldPackets::Quest::WorldQuestUpdate::Write()
 
     return &_worldPacket;
 }
+
+ByteBuffer& operator<<(ByteBuffer& data, PlayerChoiceResponse const& response)
+{
+    data << int32(response.ResponseID);
+    data << int32(response.ChoiceArtFileID);
+
+    data.WriteBits(response.Answer.length(), 9);
+    data.WriteBits(response.Header.length(), 9);
+    data.WriteBits(response.Description.length(), 11);
+    data.WriteBits(response.Confirmation.length(), 7);
+
+    data.WriteBit(response.Reward.is_initialized());
+    data.FlushBits();
+
+    if (response.Reward.is_initialized())
+        data << (*response.Reward);
+
+    data.WriteString(response.Answer);
+    data.WriteString(response.Header);
+    data.WriteString(response.Description);
+    data.WriteString(response.Confirmation);
+    return data;
+}
+
+ByteBuffer& operator<<(ByteBuffer& data, PlayerChoiceResponseReward const& reward)
+{
+    data << int32(reward.TitleID);
+    data << int32(reward.PackageID);
+    data << int32(reward.SkillLineID);
+    data << uint32(reward.SkillPointCount);
+    data << uint32(reward.ArenaPointCount);
+    data << uint32(reward.HonorPointCount);
+    data << uint64(reward.Money);
+    data << uint32(reward.Xp);
+
+    data << uint32(0); // itemCount
+    data << uint32(0); // currencyCount
+    data << uint32(0); // factionCount
+    data << uint32(0); // itemChoiceCount
+
+    /*for (var i = 0u; i < itemCount; ++i)
+    ReadPlayerChoiceResponseRewardEntry(packet, "Item", i);
+
+    for (var i = 0u; i < currencyCount; ++i)
+    ReadPlayerChoiceResponseRewardEntry(packet, "Currency", i);
+
+    for (var i = 0u; i < factionCount; ++i)
+    ReadPlayerChoiceResponseRewardEntry(packet, "Faction", i);
+
+    for (var i = 0u; i < itemChoiceCount; ++i)
+    ReadPlayerChoiceResponseRewardEntry(packet, "ItemChoice", i);*/
+
+    return data;
+}
+
+WorldPacket const* WorldPackets::Quest::DisplayPlayerChoice::Write()
+{
+    _worldPacket << int32(Choice->ChoiceId);
+    _worldPacket << uint32(Choice->Responses.size());
+    _worldPacket << SenderGUID;
+    _worldPacket.WriteBits(Choice->Question.length(), 8);
+    _worldPacket.WriteBit(CloseChoiceFrame);
+    _worldPacket.FlushBits();
+
+    for (auto response : Choice->Responses)
+        _worldPacket << response.second;
+
+    _worldPacket.WriteString(Choice->Question);
+    return &_worldPacket;
+}
+
+void WorldPackets::Quest::PlayerChoiceResponse::Read()
+{
+    _worldPacket >> ChoiceID;
+    _worldPacket >> ResponseID;
+}
diff --git a/src/server/game/Server/Packets/QuestPackets.h b/src/server/game/Server/Packets/QuestPackets.h
index 955571f79ab..a087c5de241 100644
--- a/src/server/game/Server/Packets/QuestPackets.h
+++ b/src/server/game/Server/Packets/QuestPackets.h
@@ -23,6 +23,10 @@
 #include "QuestDef.h"
 #include "ObjectGuid.h"
 
+struct PlayerChoice;
+struct PlayerChoiceResponse;
+struct PlayerChoiceResponseReward;
+
 namespace WorldPackets
 {
     namespace Quest
@@ -633,9 +637,35 @@ namespace WorldPackets
 
             std::vector<WorldQuestUpdateInfo> WorldQuestUpdates;
         };
+
+        class DisplayPlayerChoice final : public ServerPacket
+        {
+        public:
+            DisplayPlayerChoice() : ServerPacket(SMSG_DISPLAY_PLAYER_CHOICE) { }
+
+            WorldPacket const* Write() override;
+
+            ObjectGuid SenderGUID;
+            PlayerChoice const* Choice;
+            bool CloseChoiceFrame = false;
+        };
+
+        class PlayerChoiceResponse final : public ClientPacket
+        {
+        public:
+            PlayerChoiceResponse(WorldPacket&& packet) : ClientPacket(CMSG_CHOICE_RESPONSE, std::move(packet)) { }
+
+            void Read() override;
+
+            int32 ChoiceID;
+            int32 ResponseID;
+        };
     }
 }
 
+ByteBuffer& operator<<(ByteBuffer& data, PlayerChoiceResponse const& response);
+ByteBuffer& operator<<(ByteBuffer& data, PlayerChoiceResponseReward const& reward);
+
 ByteBuffer& operator<<(ByteBuffer& data, WorldPackets::Quest::QuestRewards const& questRewards);
 ByteBuffer& operator<<(ByteBuffer& data, WorldPackets::Quest::QuestGiverOfferReward const& offer);
 
diff --git a/src/server/game/Server/Protocol/Opcodes.cpp b/src/server/game/Server/Protocol/Opcodes.cpp
index 5796215cbe8..08d88187ddb 100644
--- a/src/server/game/Server/Protocol/Opcodes.cpp
+++ b/src/server/game/Server/Protocol/Opcodes.cpp
@@ -322,7 +322,7 @@ void OpcodeTable::Initialize()
     DEFINE_HANDLER(CMSG_CHAT_UNREGISTER_ALL_ADDON_PREFIXES,                 STATUS_LOGGEDIN,  PROCESS_THREADUNSAFE, &WorldSession::HandleUnregisterAllAddonPrefixesOpcode);
     DEFINE_HANDLER(CMSG_CHECK_RAF_EMAIL_ENABLED,                            STATUS_UNHANDLED, PROCESS_INPLACE,      &WorldSession::Handle_NULL);
     DEFINE_HANDLER(CMSG_CHECK_WOW_TOKEN_VETERAN_ELIGIBILITY,                STATUS_UNHANDLED, PROCESS_INPLACE,      &WorldSession::Handle_NULL);
-    DEFINE_HANDLER(CMSG_CHOICE_RESPONSE,                                    STATUS_UNHANDLED, PROCESS_INPLACE,      &WorldSession::Handle_NULL);
+    DEFINE_HANDLER(CMSG_CHOICE_RESPONSE,                                    STATUS_LOGGEDIN,  PROCESS_INPLACE,      &WorldSession::HandlePlayerChoiceResponse);
     DEFINE_HANDLER(CMSG_CLEAR_RAID_MARKER,                                  STATUS_LOGGEDIN,  PROCESS_THREADUNSAFE, &WorldSession::HandleClearRaidMarker);
     DEFINE_HANDLER(CMSG_CLEAR_TRADE_ITEM,                                   STATUS_LOGGEDIN,  PROCESS_THREADUNSAFE, &WorldSession::HandleClearTradeItemOpcode);
     DEFINE_HANDLER(CMSG_CLIENT_PORT_GRAVEYARD,                              STATUS_LOGGEDIN,  PROCESS_THREADUNSAFE, &WorldSession::HandlePortGraveyard);
@@ -1108,7 +1108,7 @@ void OpcodeTable::Initialize()
     DEFINE_SERVER_OPCODE_HANDLER(SMSG_DISMOUNT_RESULT,                         STATUS_UNHANDLED,    CONNECTION_TYPE_REALM);
     DEFINE_SERVER_OPCODE_HANDLER(SMSG_DISPEL_FAILED,                           STATUS_NEVER,        CONNECTION_TYPE_INSTANCE);
     DEFINE_SERVER_OPCODE_HANDLER(SMSG_DISPLAY_GAME_ERROR,                      STATUS_NEVER,        CONNECTION_TYPE_REALM);
-    DEFINE_SERVER_OPCODE_HANDLER(SMSG_DISPLAY_PLAYER_CHOICE,                   STATUS_UNHANDLED,    CONNECTION_TYPE_REALM);
+    DEFINE_SERVER_OPCODE_HANDLER(SMSG_DISPLAY_PLAYER_CHOICE,                   STATUS_NEVER,        CONNECTION_TYPE_REALM);
     DEFINE_SERVER_OPCODE_HANDLER(SMSG_DISPLAY_PROMOTION,                       STATUS_UNHANDLED,    CONNECTION_TYPE_REALM);
     DEFINE_SERVER_OPCODE_HANDLER(SMSG_DISPLAY_QUEST_POPUP,                     STATUS_UNHANDLED,    CONNECTION_TYPE_REALM);
     DEFINE_SERVER_OPCODE_HANDLER(SMSG_DISPLAY_TOAST,                           STATUS_UNHANDLED,    CONNECTION_TYPE_REALM);
diff --git a/src/server/game/Server/WorldSession.h b/src/server/game/Server/WorldSession.h
index 283a2dab146..5d680a1dab1 100644
--- a/src/server/game/Server/WorldSession.h
+++ b/src/server/game/Server/WorldSession.h
@@ -596,6 +596,7 @@ namespace WorldPackets
         class QuestPushResult;
         class PushQuestToParty;
         class RequestWorldQuestUpdate;
+        class PlayerChoiceResponse;
     }
 
     namespace RaF
@@ -1442,6 +1443,7 @@ class TC_GAME_API WorldSession
         void HandlePushQuestToParty(WorldPackets::Quest::PushQuestToParty& packet);
         void HandleQuestPushResult(WorldPackets::Quest::QuestPushResult& packet);
         void HandleRequestWorldQuestUpdate(WorldPackets::Quest::RequestWorldQuestUpdate& packet);
+        void HandlePlayerChoiceResponse(WorldPackets::Quest::PlayerChoiceResponse& packet);
 
         void HandleChatMessageOpcode(WorldPackets::Chat::ChatMessage& chatMessage);
         void HandleChatMessageWhisperOpcode(WorldPackets::Chat::ChatMessageWhisper& chatMessageWhisper);